/* roulang page: index */
:root {
            --color-primary: #16201b;
            --color-primary-soft: #1f2d26;
            --color-accent: #b18c4a;
            --color-accent-hover: #9a793c;
            --color-bg: #f4f0e8;
            --color-bg-white: #fdfcf8;
            --color-bg-card: #ffffff;
            --color-alert: #c8553d;
            --color-positive: #0f6b62;
            --color-positive-soft: #0f6b621a;
            --color-text: #1a1f1b;
            --color-text-muted: #5a625c;
            --color-text-light: #8a918b;
            --color-border: rgba(0, 0, 0, 0.08);
            --color-border-strong: rgba(0, 0, 0, 0.14);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.12);
            --font-title: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', serif;
            --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-mono: 'Roboto Mono', 'Source Code Pro', 'Courier New', monospace;
            --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
            --section-padding: 80px 0;
            --section-padding-mobile: 48px 0;
            --container-max: 1200px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background: var(--color-bg);
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--color-accent);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        h1,
        h2,
        h3,
        h4 {
            font-family: var(--font-title);
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.35;
            margin-top: 0;
        }

        h1 {
            font-size: clamp(36px, 6vw, 56px);
            letter-spacing: -0.02em;
        }

        h2 {
            font-size: clamp(26px, 3.6vw, 36px);
            letter-spacing: -0.01em;
        }

        h3 {
            font-size: clamp(19px, 2.4vw, 23px);
            letter-spacing: 0;
        }

        h4 {
            font-size: 17px;
            font-weight: 600;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--color-accent);
            margin-bottom: 12px;
            border-left: 3px solid var(--color-accent);
            padding-left: 10px;
        }

        .section-title {
            font-size: clamp(24px, 3.2vw, 34px);
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .text-accent {
            color: var(--color-accent);
        }
        .text-alert {
            color: var(--color-alert);
        }
        .text-positive {
            color: var(--color-positive);
        }
        .text-muted {
            color: var(--color-text-muted);
        }

        /* ========== 悬浮胶囊导航 ========== */
        .header-nav-wrap {
            position: fixed;
            top: 18px;
            left: 0;
            right: 0;
            z-index: 999;
            padding: 0 24px;
            pointer-events: none;
        }

        .header-nav-wrap .nav-capsule {
            pointer-events: auto;
            max-width: 1100px;
            margin: 0 auto;
            background: rgba(244, 240, 232, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(0, 0, 0, 0.08);
            border-radius: var(--radius-pill);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            padding: 8px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: box-shadow var(--transition), background var(--transition);
        }

        .header-nav-wrap .nav-capsule.scrolled {
            background: rgba(244, 240, 232, 0.96);
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.1);
        }

        .nav-logo {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo .logo-dot {
            width: 10px;
            height: 10px;
            background: var(--color-accent);
            border-radius: 50%;
            display: inline-block;
            flex-shrink: 0;
        }
        .nav-logo .logo-dot.second {
            background: var(--color-alert);
            margin-left: -4px;
            opacity: 0.8;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }

        .nav-menu a {
            font-size: 13.5px;
            font-weight: 500;
            color: var(--color-text);
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-menu a:hover {
            background: rgba(0, 0, 0, 0.05);
            color: var(--color-primary);
        }

        .nav-menu a.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }

        .nav-menu a.active:hover {
            color: #fff;
            background: var(--color-primary-soft);
        }

        .nav-burger {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--color-primary);
            padding: 8px;
            border-radius: 50%;
            transition: background var(--transition);
        }
        .nav-burger:hover {
            background: rgba(0, 0, 0, 0.06);
        }

        .mobile-menu {
            display: none;
            pointer-events: auto;
            max-width: 1100px;
            margin: 12px auto 0;
            background: rgba(244, 240, 232, 0.97);
            backdrop-filter: blur(16px);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-lg);
            padding: 16px;
            flex-direction: column;
            gap: 2px;
        }
        .mobile-menu a {
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            color: var(--color-text);
            font-size: 15px;
        }
        .mobile-menu a.active {
            background: var(--color-primary);
            color: #fff;
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 160px 24px 100px;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(22, 32, 27, 0.78) 0%, rgba(22, 32, 27, 0.52) 50%, rgba(22, 32, 27, 0.36) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            text-align: center;
            margin: 0 auto;
        }

        .hero-content h1 {
            color: #fff;
            font-size: clamp(38px, 6.5vw, 60px);
            text-shadow: 0 2px 16px rgba(0, 0, 0, 0.25);
        }

        .hero-subtitle {
            color: rgba(255, 255, 255, 0.88);
            font-size: 17px;
            line-height: 1.85;
            margin: 20px auto 28px;
            max-width: 620px;
        }

        .hero-badges {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
            margin-bottom: 30px;
        }

        .hero-badge {
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.24);
            color: #fff;
            padding: 7px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            backdrop-filter: blur(6px);
        }

        .hero-group-count {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-pill);
            padding: 10px 22px;
            margin-bottom: 30px;
            backdrop-filter: blur(8px);
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            display: inline-flex;
        }

        .hero-group-count strong {
            font-size: 22px;
            font-weight: 700;
            color: #ffd98c;
            font-family: var(--font-mono);
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 600;
            border: none;
            transition: all var(--transition);
            text-align: center;
            justify-content: center;
            letter-spacing: 0.01em;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 18px rgba(177, 140, 74, 0.4);
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(177, 140, 74, 0.5);
        }
        .btn-primary:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn-secondary {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.55);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            transform: translateY(-2px);
            border-color: #fff;
        }
        .btn-secondary:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn-outline-dark {
            background: transparent;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
        }
        .btn-outline-dark:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        .btn-sm {
            padding: 10px 18px;
            font-size: 13.5px;
            border-radius: var(--radius-sm);
        }

        /* ========== 数据快照条 ========== */
        .snapshot-section {
            padding: 28px 0;
            background: var(--color-primary);
            overflow: hidden;
        }

        .snapshot-track {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 4px 0;
        }
        .snapshot-track::-webkit-scrollbar {
            display: none;
        }

        .snapshot-item {
            flex: 0 0 auto;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.13);
            border-radius: var(--radius-md);
            padding: 14px 22px;
            min-width: 220px;
            color: #fff;
        }

        .snapshot-item .snap-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 0.06em;
            margin-bottom: 6px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .snapshot-item .snap-numbers {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .snap-number-ball {
            width: 34px;
            height: 34px;
            background: var(--color-accent);
            color: #fff;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 600;
        }
        .snap-number-ball.special {
            background: var(--color-alert);
        }

        /* ========== 通用 Section 布局 ========== */
        .section-standard {
            padding: var(--section-padding);
        }
        .section-dark {
            background: var(--color-primary);
            color: #fff;
        }
        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== 卡片 ========== */
        .card-base {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .card-base:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border-strong);
        }

        .card-number {
            font-family: var(--font-mono);
            font-size: 15px;
            color: var(--color-accent);
            font-weight: 600;
        }

        /* ========== 功能分组 ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .feature-grid .feature-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .feature-grid .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border-strong);
        }
        .feature-card .feature-icon {
            width: 40px;
            height: 40px;
            background: var(--color-positive-soft);
            color: var(--color-positive);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 14px;
        }
        .feature-card h3 {
            font-size: 17px;
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ========== 深度内容 ========== */
        .deep-content {
            background: var(--color-bg-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 48px;
        }
        .deep-content h2 {
            font-size: 28px;
            margin-bottom: 20px;
        }
        .deep-content h3 {
            font-size: 20px;
            margin: 28px 0 12px;
        }
        .deep-content p {
            font-size: 15.5px;
            color: #3a403b;
            line-height: 1.95;
            margin-bottom: 16px;
        }
        .deep-content blockquote {
            border-left: 4px solid var(--color-accent);
            margin: 24px 0;
            padding: 18px 24px;
            background: #faf6ee;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text);
            font-style: normal;
            font-size: 15.5px;
            line-height: 1.9;
        }
        .deep-content .data-table-wrap {
            margin: 28px 0;
            overflow-x: auto;
        }
        .deep-content table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }
        .deep-content table th {
            background: var(--color-primary);
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
            font-size: 13px;
            white-space: nowrap;
        }
        .deep-content table td {
            padding: 11px 16px;
            border-bottom: 1px solid var(--color-border);
            font-family: var(--font-mono);
            font-size: 13.5px;
        }
        .deep-content table tr:hover td {
            background: #faf6ee;
        }

        /* ========== 使用场景 ========== */
        .scene-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .scene-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .scene-list li {
            display: flex;
            gap: 14px;
            padding: 18px 0;
            border-bottom: 1px solid var(--color-border);
            align-items: flex-start;
        }
        .scene-list li:last-child {
            border-bottom: none;
        }
        .scene-list .scene-num {
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-accent);
            min-width: 40px;
            flex-shrink: 0;
        }
        .scene-list h4 {
            font-size: 16px;
            margin-bottom: 4px;
            font-weight: 600;
        }
        .scene-list p {
            font-size: 14px;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.7;
        }
        .scene-image-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border);
        }
        .scene-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ========== 品牌介绍 ========== */
        .brand-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .brand-text {
            font-size: 15.5px;
            line-height: 2;
            color: #3a403b;
        }
        .brand-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .brand-stat {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: var(--radius-md);
            padding: 22px 18px;
            text-align: center;
            color: #fff;
        }
        .brand-stat .stat-num {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: #ffd98c;
            line-height: 1.2;
        }
        .brand-stat .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }

        /* ========== 成功案例 ========== */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .case-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            text-align: center;
        }
        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border-strong);
        }
        .case-card .case-before-after {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 14px;
            margin: 18px 0;
        }
        .case-card .case-val {
            font-family: var(--font-mono);
            font-size: 34px;
            font-weight: 700;
            color: var(--color-primary);
        }
        .case-card .case-arrow {
            font-size: 24px;
            color: var(--color-accent);
        }
        .case-card .case-val.highlight {
            color: var(--color-positive);
        }
        .case-card p {
            font-size: 13.5px;
            color: var(--color-text-muted);
            margin: 0 0 8px;
        }

        /* ========== 价格 ========== */
        .price-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            align-items: stretch;
        }
        .price-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 32px 26px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .price-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .price-card.featured {
            border: 2px solid var(--color-accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-8px);
        }
        .price-card.featured:hover {
            transform: translateY(-12px);
            box-shadow: var(--shadow-lg);
        }
        .price-card .price-badge {
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--color-accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
        }
        .price-card .price-amount {
            font-family: var(--font-mono);
            font-size: 40px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 16px 0;
        }
        .price-card.featured .price-amount {
            color: var(--color-accent);
        }
        .price-card .price-amount span {
            font-size: 15px;
            font-weight: 400;
            color: var(--color-text-muted);
        }
        .price-card ul {
            list-style: none;
            margin: 0 0 20px;
            padding: 0;
            flex-grow: 1;
        }
        .price-card ul li {
            padding: 9px 0;
            font-size: 14px;
            color: var(--color-text-muted);
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .price-card ul li:last-child {
            border-bottom: none;
        }
        .price-card ul li i {
            color: var(--color-positive);
            font-size: 13px;
        }

        /* ========== 新闻中心 ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 24px;
        }
        .news-headline {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .news-headline:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .news-headline img {
            height: 220px;
            object-fit: cover;
            width: 100%;
        }
        .news-headline .news-headline-body {
            padding: 22px 24px;
        }
        .news-headline .news-date {
            font-size: 12.5px;
            color: var(--color-text-light);
            letter-spacing: 0.04em;
            margin-bottom: 8px;
        }
        .news-headline h3 {
            font-size: 18px;
            margin-bottom: 10px;
        }
        .news-headline p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .news-list-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 18px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .news-list-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--color-border-strong);
        }
        .news-list-item .news-date {
            font-size: 12px;
            color: var(--color-text-light);
            margin-bottom: 4px;
        }
        .news-list-item h4 {
            font-size: 14.5px;
            margin-bottom: 6px;
            font-weight: 600;
        }
        .news-list-item p {
            font-size: 13px;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.6;
        }
        .news-read-more {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            transition: all var(--transition);
        }
        .news-read-more:hover {
            color: var(--color-accent-hover);
            text-decoration: underline;
        }

        /* ========== 保障图标条 ========== */
        .assurance-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .assurance-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 22px 18px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }
        .assurance-item .assurance-icon {
            font-size: 28px;
            color: var(--color-positive);
            margin-bottom: 10px;
        }
        .assurance-item h4 {
            font-size: 15px;
            margin-bottom: 6px;
            font-weight: 600;
        }
        .assurance-item p {
            font-size: 13px;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== 时间线/任务进度 ========== */
        .timeline {
            position: relative;
            margin: 40px 0 0;
            padding-left: 32px;
            border-left: 2px solid var(--color-border-strong);
        }
        .timeline-item {
            position: relative;
            margin-bottom: 36px;
            padding-left: 20px;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -39px;
            top: 6px;
            width: 12px;
            height: 12px;
            background: var(--color-accent);
            border-radius: 50%;
            border: 2px solid var(--color-bg);
            box-shadow: 0 0 0 3px var(--color-accent);
        }
        .timeline-item .timeline-date {
            font-size: 13px;
            color: var(--color-accent);
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 6px;
        }
        .timeline-item h4 {
            font-size: 16px;
            margin-bottom: 6px;
            font-weight: 600;
        }
        .timeline-item p {
            font-size: 14px;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.7;
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: var(--color-primary);
            padding: var(--section-padding);
            color: #fff;
        }
        .cta-section h2 {
            color: #fff;
        }
        .cta-form-wrap {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-md);
            padding: 32px;
        }
        .cta-form-wrap input,
        .cta-form-wrap select {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 14px;
            width: 100%;
            color: var(--color-text);
            transition: border var(--transition);
        }
        .cta-form-wrap input:focus,
        .cta-form-wrap select:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(177, 140, 74, 0.2);
        }
        .cta-form-wrap label {
            color: rgba(255, 255, 255, 0.75);
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 6px;
            display: block;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr 1fr;
            gap: 36px;
            margin-bottom: 40px;
        }
        .footer-brand {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-desc {
            font-size: 13.5px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 16px;
        }
        .footer-links h4 {
            font-size: 15px;
            color: #fff;
            margin-bottom: 14px;
            font-weight: 600;
        }
        .footer-links a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 13.5px;
            padding: 5px 0;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            text-align: center;
            font-size: 12.5px;
            color: rgba(255, 255, 255, 0.45);
            line-height: 1.9;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== FAQ ========== */
        .accordion-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--color-bg-card);
            transition: all var(--transition);
        }
        .accordion-item:hover {
            border-color: var(--color-border-strong);
        }
        .accordion-header {
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--color-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-body);
            transition: color var(--transition);
        }
        .accordion-header:hover {
            color: var(--color-accent);
        }
        .accordion-header i {
            font-size: 14px;
            transition: transform var(--transition);
            color: var(--color-accent);
        }
        .accordion-item.active .accordion-header i {
            transform: rotate(180deg);
        }
        .accordion-body {
            padding: 0 22px 18px;
            font-size: 14.5px;
            color: var(--color-text-muted);
            line-height: 1.85;
            display: none;
        }
        .accordion-item.active .accordion-body {
            display: block;
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
        }
        .accordion-item.active {
            border-color: var(--color-accent);
            box-shadow: 0 4px 16px rgba(177, 140, 74, 0.12);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .price-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .assurance-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .brand-layout {
                grid-template-columns: 1fr;
            }
            .scene-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .brand-stats {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .header-nav-wrap {
                top: 10px;
                padding: 0 14px;
            }
            .nav-capsule {
                padding: 6px 12px;
            }
            .nav-menu {
                display: none;
            }
            .nav-burger {
                display: block;
            }
            .mobile-menu.open {
                display: flex;
            }
            .hero-section {
                padding: 140px 16px 70px;
                min-height: 90vh;
            }
            .hero-content h1 {
                font-size: 34px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .deep-content {
                padding: 28px 20px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .price-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .price-card.featured {
                transform: translateY(0);
            }
            .assurance-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .brand-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }
            .section-standard {
                padding: var(--section-padding-mobile);
            }
            .cta-section {
                padding: var(--section-padding-mobile);
            }
            .timeline {
                padding-left: 20px;
            }
            .timeline-item::before {
                left: -27px;
                width: 10px;
                height: 10px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .hero-content h1 {
                font-size: 28px;
            }
            .btn {
                padding: 12px 20px;
                font-size: 14px;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .hero-cta-group .btn {
                width: 100%;
            }
            .hero-group-count {
                font-size: 13px;
                padding: 8px 16px;
            }
            .hero-group-count strong {
                font-size: 18px;
            }
            .snapshot-item {
                min-width: 170px;
                padding: 10px 14px;
            }
            .snap-number-ball {
                width: 28px;
                height: 28px;
                font-size: 12px;
            }
            .brand-stats {
                grid-template-columns: 1fr 1fr 1fr;
            }
            .brand-stat .stat-num {
                font-size: 22px;
            }
            .news-headline img {
                height: 160px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #16201b;
            --color-primary-soft: #1f2d26;
            --color-accent: #b18c4a;
            --color-accent-hover: #9a793c;
            --color-bg: #f4f0e8;
            --color-bg-white: #fdfcf8;
            --color-bg-card: #ffffff;
            --color-alert: #c8553d;
            --color-positive: #0f6b62;
            --color-positive-soft: #0f6b621a;
            --color-text: #1a1f1b;
            --color-text-muted: #5a625c;
            --color-text-light: #8a918b;
            --color-border: rgba(0, 0, 0, 0.08);
            --color-border-strong: rgba(0, 0, 0, 0.14);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.12);
            --font-title: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', serif;
            --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-mono: 'Roboto Mono', 'Source Code Pro', 'Courier New', monospace;
            --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
            --section-padding: 80px 0;
            --section-padding-mobile: 48px 0;
            --container-max: 1200px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background: var(--color-bg);
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--color-accent);
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--color-accent);
            margin-bottom: 12px;
            border-left: 3px solid var(--color-accent);
            padding-left: 10px;
        }
        .section-title {
            font-size: clamp(24px, 3.2vw, 34px);
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
            color: var(--color-primary);
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .text-accent {
            color: var(--color-accent);
        }
        .text-alert {
            color: var(--color-alert);
        }
        .text-positive {
            color: var(--color-positive);
        }
        .text-muted {
            color: var(--color-text-muted);
        }
        .bg-primary {
            background: var(--color-primary);
        }
        .bg-white-soft {
            background: var(--color-bg-white);
        }
        .gap-2 {
            gap: 12px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .mb-32 {
            margin-bottom: 32px;
        }
        .mb-48 {
            margin-bottom: 48px;
        }
        .text-center {
            text-align: center;
        }
        .flex {
            display: flex;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .items-center {
            align-items: center;
        }
        .justify-between {
            justify-content: space-between;
        }
        .justify-center {
            justify-content: center;
        }

        /* ========== 悬浮胶囊导航 ========== */
        .header-nav-wrap {
            position: fixed;
            top: 18px;
            left: 0;
            right: 0;
            z-index: 999;
            padding: 0 24px;
            pointer-events: none;
        }
        .header-nav-wrap .nav-capsule {
            pointer-events: auto;
            max-width: 1100px;
            margin: 0 auto;
            background: rgba(244, 240, 232, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(0, 0, 0, 0.08);
            border-radius: var(--radius-pill);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            padding: 8px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: box-shadow var(--transition), background var(--transition);
        }
        .header-nav-wrap .nav-capsule.scrolled {
            background: rgba(244, 240, 232, 0.96);
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.1);
        }
        .nav-logo {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-logo .logo-dot {
            width: 10px;
            height: 10px;
            background: var(--color-accent);
            border-radius: 50%;
            display: inline-block;
            flex-shrink: 0;
        }
        .nav-logo .logo-dot.second {
            background: var(--color-alert);
            margin-left: -4px;
            opacity: 0.8;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .nav-menu a {
            font-size: 13.5px;
            font-weight: 500;
            color: var(--color-text);
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-menu a:hover {
            background: rgba(0, 0, 0, 0.05);
            color: var(--color-primary);
        }
        .nav-menu a.active {
            background: var(--color-primary);
            color: #fff;
        }
        .nav-menu a.active:hover {
            background: var(--color-primary-soft);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 20px;
            color: var(--color-primary);
            padding: 8px;
            line-height: 1;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            background: transparent;
            padding: 120px 0 12px;
        }
        .breadcrumb-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-list a {
            color: var(--color-text-muted);
        }
        .breadcrumb-list a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-list .sep {
            color: var(--color-text-light);
            font-size: 12px;
        }
        .breadcrumb-list .current {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ========== Hero ========== */
        .page-hero {
            padding: 48px 0 56px;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--color-bg);
            z-index: -1;
        }
        .page-hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }
        .page-hero h1 {
            font-size: clamp(30px, 4vw, 44px);
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1.3;
            margin-bottom: 16px;
            font-family: var(--font-title);
        }
        .page-hero .hero-desc {
            font-size: 17px;
            color: var(--color-text-muted);
            line-height: 1.9;
            max-width: 560px;
            margin-bottom: 24px;
        }
        .hero-toc {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            margin-bottom: 28px;
            box-shadow: var(--shadow-sm);
        }
        .hero-toc h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero-toc h3 i {
            color: var(--color-accent);
            font-size: 14px;
        }
        .hero-toc ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 24px;
        }
        .hero-toc ul li {
            font-size: 14px;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-toc ul li i {
            color: var(--color-positive);
            font-size: 12px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            border: none;
            transition: all var(--transition);
            text-decoration: none;
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--color-primary);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-pill);
            border: 1.5px solid var(--color-border-strong);
            transition: all var(--transition);
            text-decoration: none;
        }
        .btn-secondary:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(177, 140, 74, 0.06);
        }
        .hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .hero-visual img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4 / 3;
        }
        .hero-visual .visual-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(22, 32, 27, 0.92) 0%, rgba(22, 32, 27, 0.55) 50%, transparent 100%);
            padding: 28px 24px 20px;
            color: #fff;
        }
        .hero-visual .visual-overlay p {
            margin: 0;
            font-size: 14px;
            opacity: 0.9;
        }
        .hero-visual .visual-overlay strong {
            font-size: 18px;
            display: block;
            margin-bottom: 4px;
        }

        /* ========== 月历区域 ========== */
        .calendar-section {
            padding: 56px 0 64px;
        }
        .calendar-layout {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 36px;
            align-items: start;
        }
        .calendar-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 30px 28px;
            box-shadow: var(--shadow-md);
        }
        .calendar-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 22px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .calendar-header .cal-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary);
            font-family: var(--font-title);
        }
        .calendar-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .calendar-nav button {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: 1px solid var(--color-border);
            background: var(--color-bg-white);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: all var(--transition);
        }
        .calendar-nav button:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }
        .calendar-nav .cal-month-label {
            font-size: 15px;
            font-weight: 600;
            min-width: 100px;
            text-align: center;
            color: var(--color-text-muted);
        }
        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            gap: 4px;
        }
        .calendar-grid .weekday {
            text-align: center;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-text-light);
            padding: 8px 0;
            text-transform: uppercase;
            letter-spacing: 0.06em;
        }
        .calendar-grid .day {
            aspect-ratio: 1 / 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            position: relative;
            transition: all var(--transition);
            cursor: pointer;
            gap: 2px;
            min-height: 44px;
        }
        .calendar-grid .day:hover {
            background: rgba(177, 140, 74, 0.08);
        }
        .calendar-grid .day.empty {
            cursor: default;
        }
        .calendar-grid .day.empty:hover {
            background: transparent;
        }
        .calendar-grid .day.today {
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
        }
        .calendar-grid .day .draw-dots {
            display: flex;
            gap: 3px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .calendar-grid .day .draw-dots span {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            display: inline-block;
        }
        .draw-dots .dot-ssq { background: #c8553d; }
        .draw-dots .dot-dlt { background: #b18c4a; }
        .draw-dots .dot-3d { background: #0f6b62; }
        .draw-dots .dot-pl3 { background: #5a7d8c; }
        .draw-dots .dot-pl5 { background: #7b6c8a; }
        .draw-dots .dot-qlc { background: #8a5a3d; }
        .calendar-legend {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 20px;
            padding-top: 16px;
            border-top: 1px solid var(--color-border);
        }
        .calendar-legend .legend-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--color-text-muted);
        }
        .calendar-legend .legend-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            display: inline-block;
        }

        /* ========== 开奖列表 ========== */
        .draw-list-section {
            padding: 56px 0;
            background: var(--color-bg-white);
        }
        .draw-list-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }
        .draw-list-table th {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            padding: 12px 16px;
            text-align: left;
            font-size: 13px;
            letter-spacing: 0.04em;
        }
        .draw-list-table td {
            padding: 14px 16px;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text);
            vertical-align: middle;
        }
        .draw-list-table tr:hover td {
            background: rgba(177, 140, 74, 0.05);
        }
        .draw-list-table .lottery-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: var(--color-positive-soft);
            color: var(--color-positive);
            white-space: nowrap;
        }
        .draw-list-table .lottery-badge.ssq { background: #c8553d1a; color: #c8553d; }
        .draw-list-table .lottery-badge.dlt { background: #b18c4a1a; color: #b18c4a; }
        .draw-list-table .lottery-badge.fc3d { background: #0f6b621a; color: #0f6b62; }
        .draw-list-table .lottery-badge.pl3 { background: #5a7d8c1a; color: #5a7d8c; }
        .draw-list-table .lottery-badge.pl5 { background: #7b6c8a1a; color: #7b6c8a; }
        .draw-list-table .lottery-badge.qlc { background: #8a5a3d1a; color: #8a5a3d; }
        .draw-list-table .number-balls {
            display: flex;
            gap: 5px;
            flex-wrap: wrap;
            align-items: center;
        }
        .draw-list-table .number-balls .ball {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-size: 12px;
            font-weight: 600;
            color: #fff;
        }
        .ball-red { background: #c8553d; }
        .ball-blue { background: #0f6b62; }
        .ball-gold { background: #b18c4a; }
        .ball-gray { background: #5a625c; }
        .ball-purple { background: #7b6c8a; }
        .draw-list-table .draw-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--color-text-muted);
            white-space: nowrap;
        }
        .draw-list-table .draw-id {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--color-text);
            font-weight: 500;
        }
        .table-scroll-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        /* ========== 彩种筛选与规则 ========== */
        .rules-sidebar {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 100px;
        }
        .rules-sidebar h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            font-family: var(--font-title);
        }
        .lottery-filter-list {
            list-style: none;
            margin: 0 0 20px;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .lottery-filter-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            font-size: 14px;
            color: var(--color-text);
            transition: all var(--transition);
            cursor: pointer;
        }
        .lottery-filter-list li:hover {
            border-color: var(--color-accent);
            background: rgba(177, 140, 74, 0.05);
        }
        .lottery-filter-list li.active {
            border-color: var(--color-accent);
            background: rgba(177, 140, 74, 0.08);
            font-weight: 600;
        }
        .lottery-filter-list li .filter-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .rules-text {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.85;
            border-top: 1px solid var(--color-border);
            padding-top: 16px;
            margin-top: 4px;
        }
        .rules-text p {
            margin-bottom: 10px;
        }
        .rules-text strong {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ========== 历史日期查询 ========== */
        .query-section {
            padding: 56px 0 64px;
        }
        .query-card {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            color: #fff;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }
        .query-card h2 {
            color: #fff;
            font-size: clamp(22px, 2.8vw, 30px);
            font-weight: 700;
            margin-bottom: 12px;
            font-family: var(--font-title);
        }
        .query-card p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 0;
        }
        .query-form {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-md);
            padding: 24px;
        }
        .query-form label {
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 8px;
            display: block;
        }
        .query-form input[type="date"],
        .query-form select {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            font-size: 14px;
            font-family: var(--font-mono);
            outline: none;
            transition: border-color var(--transition);
        }
        .query-form input[type="date"]:focus,
        .query-form select:focus {
            border-color: var(--color-accent);
        }
        .query-form input[type="date"]::-webkit-calendar-picker-indicator {
            filter: invert(1);
            cursor: pointer;
        }
        .query-form select option {
            background: var(--color-primary);
            color: #fff;
        }
        .query-form .query-btn {
            width: 100%;
            padding: 12px;
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            margin-top: 16px;
            transition: all var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .query-form .query-btn:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
        }
        .query-result {
            margin-top: 16px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-sm);
            padding: 14px 18px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.9);
            display: none;
            line-height: 1.7;
        }
        .query-result.show {
            display: block;
        }
        .query-result .result-highlight {
            color: var(--color-accent);
            font-weight: 600;
        }

        /* ========== 数据解读 ========== */
        .insight-section {
            padding: 56px 0 64px;
            background: var(--color-bg-white);
        }
        .insight-content {
            max-width: 800px;
            margin: 0 auto;
        }
        .insight-content h2 {
            font-size: clamp(22px, 2.6vw, 30px);
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 20px;
            font-family: var(--font-title);
        }
        .insight-content h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--color-primary);
            margin-top: 28px;
            margin-bottom: 12px;
        }
        .insight-content p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.95;
            margin-bottom: 16px;
        }
        .insight-content .data-quote {
            border-left: 4px solid var(--color-accent);
            padding: 16px 20px;
            background: rgba(177, 140, 74, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-size: 15px;
            color: var(--color-primary);
            font-weight: 500;
            margin: 20px 0;
            line-height: 1.8;
        }
        .insight-content .data-table-mini {
            width: 100%;
            border-collapse: collapse;
            font-size: 13px;
            margin: 16px 0 20px;
        }
        .insight-content .data-table-mini th {
            background: var(--color-primary);
            color: #fff;
            padding: 10px 14px;
            text-align: left;
            font-weight: 600;
        }
        .insight-content .data-table-mini td {
            padding: 10px 14px;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text);
        }
        .insight-content .data-table-mini tr:hover td {
            background: rgba(177, 140, 74, 0.05);
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 56px 0 64px;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            background: var(--color-bg-card);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 18px 22px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            transition: all var(--transition);
            gap: 16px;
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question i {
            font-size: 13px;
            color: var(--color-text-light);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-item.open {
            border-color: rgba(177, 140, 74, 0.4);
        }
        .faq-answer {
            padding: 0 22px 18px;
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.85;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 48px 0 64px;
            background: var(--color-bg-white);
        }
        .cta-banner {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 44px 40px;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 28px;
            align-items: center;
        }
        .cta-banner h2 {
            color: #fff;
            font-size: clamp(22px, 2.6vw, 30px);
            font-weight: 700;
            margin-bottom: 8px;
            font-family: var(--font-title);
        }
        .cta-banner p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
            margin-bottom: 0;
            line-height: 1.8;
        }
        .cta-banner .btn-primary {
            background: #fff;
            color: var(--color-primary);
            font-weight: 600;
            white-space: nowrap;
        }
        .cta-banner .btn-primary:hover {
            background: var(--color-accent);
            color: #fff;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-title);
        }
        .footer-brand .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            display: inline-block;
        }
        .footer-desc {
            font-size: 13px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 0;
        }
        .footer-links h4 {
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .footer-links a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            padding: 5px 0;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.8;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .page-hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .calendar-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .rules-sidebar {
                position: static;
            }
            .query-card {
                grid-template-columns: 1fr;
                padding: 32px 24px;
            }
            .cta-banner {
                grid-template-columns: 1fr;
                text-align: left;
                padding: 32px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .header-nav-wrap {
                top: 12px;
                padding: 0 12px;
            }
            .header-nav-wrap .nav-capsule {
                padding: 6px 12px;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 12px;
                right: 12px;
                background: rgba(244, 240, 232, 0.98);
                border: 1px solid var(--color-border);
                border-radius: var(--radius-md);
                box-shadow: var(--shadow-lg);
                padding: 12px;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                display: block;
                text-align: center;
                padding: 10px 16px;
                font-size: 14px;
            }
            .nav-toggle {
                display: block;
            }
            .nav-logo {
                font-size: 16px;
            }
            .breadcrumb-bar {
                padding-top: 95px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .page-hero .hero-desc {
                font-size: 15px;
            }
            .hero-toc ul {
                flex-direction: column;
                gap: 6px;
            }
            .calendar-card {
                padding: 20px 14px;
            }
            .calendar-grid .day {
                min-height: 36px;
                font-size: 13px;
            }
            .calendar-grid .day .draw-dots span {
                width: 5px;
                height: 5px;
            }
            .draw-list-table th,
            .draw-list-table td {
                padding: 10px 12px;
                font-size: 12px;
            }
            .draw-list-table .ball {
                width: 22px;
                height: 22px;
                font-size: 10px;
            }
            .section-title {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                text-align: left;
                font-size: 12px;
            }
            .cta-banner {
                padding: 28px 20px;
            }
            .query-card {
                padding: 24px 18px;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .page-hero h1 {
                font-size: 24px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
                text-align: center;
                padding: 12px 18px;
                font-size: 14px;
            }
            .calendar-header .cal-title {
                font-size: 18px;
            }
            .calendar-legend {
                gap: 10px;
                font-size: 12px;
            }
            .draw-list-table .number-balls .ball {
                width: 20px;
                height: 20px;
                font-size: 9px;
            }
            .query-form input[type="date"],
            .query-form select {
                font-size: 13px;
                padding: 10px 12px;
            }
            .insight-content h2 {
                font-size: 20px;
            }
            .insight-content h3 {
                font-size: 17px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #16201b;
            --color-primary-soft: #1f2d26;
            --color-accent: #b18c4a;
            --color-accent-hover: #9a793c;
            --color-bg: #f4f0e8;
            --color-bg-white: #fdfcf8;
            --color-bg-card: #ffffff;
            --color-alert: #c8553d;
            --color-positive: #0f6b62;
            --color-positive-soft: #0f6b621a;
            --color-text: #1a1f1b;
            --color-text-muted: #5a625c;
            --color-text-light: #8a918b;
            --color-border: rgba(0, 0, 0, 0.08);
            --color-border-strong: rgba(0, 0, 0, 0.14);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.12);
            --font-title: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', serif;
            --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-mono: 'Roboto Mono', 'Source Code Pro', 'Courier New', monospace;
            --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
            --section-padding: 80px 0;
            --section-padding-mobile: 48px 0;
            --container-max: 1200px;
        }

        html {
            scroll-behavior: smooth;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background: var(--color-bg);
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--color-accent);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--color-accent);
            margin-bottom: 12px;
            border-left: 3px solid var(--color-accent);
            padding-left: 10px;
        }

        .section-title {
            font-size: clamp(24px, 3.2vw, 34px);
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
            font-family: var(--font-title);
            color: var(--color-primary);
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .text-accent {
            color: var(--color-accent);
        }
        .text-alert {
            color: var(--color-alert);
        }
        .text-positive {
            color: var(--color-positive);
        }
        .text-muted {
            color: var(--color-text-muted);
        }

        /* ========== 悬浮胶囊导航 ========== */
        .header-nav-wrap {
            position: fixed;
            top: 18px;
            left: 0;
            right: 0;
            z-index: 999;
            padding: 0 24px;
            pointer-events: none;
        }

        .header-nav-wrap .nav-capsule {
            pointer-events: auto;
            max-width: 1100px;
            margin: 0 auto;
            background: rgba(244, 240, 232, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(0, 0, 0, 0.08);
            border-radius: var(--radius-pill);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            padding: 8px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: box-shadow var(--transition), background var(--transition);
        }

        .header-nav-wrap .nav-capsule.scrolled {
            background: rgba(244, 240, 232, 0.96);
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.1);
        }

        .nav-logo {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo .logo-dot {
            width: 10px;
            height: 10px;
            background: var(--color-accent);
            border-radius: 50%;
            display: inline-block;
            flex-shrink: 0;
        }

        .nav-logo .logo-dot.second {
            background: var(--color-alert);
            margin-left: -4px;
            opacity: 0.8;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }

        .nav-menu a {
            font-size: 13.5px;
            font-weight: 500;
            color: var(--color-text);
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-menu a:hover {
            background: rgba(0, 0, 0, 0.05);
            color: var(--color-primary);
        }

        .nav-menu a.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }

        .nav-menu a.active:hover {
            background: var(--color-primary-soft);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            padding: 8px;
            pointer-events: auto;
            cursor: pointer;
            flex-direction: column;
            gap: 5px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-wrap {
            padding: 120px 0 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            flex-wrap: wrap;
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border);
            margin-bottom: 32px;
        }

        .breadcrumb a {
            color: var(--color-accent);
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--color-accent-hover);
        }

        .breadcrumb .separator {
            color: var(--color-text-light);
            font-size: 11px;
        }

        .breadcrumb .current {
            color: var(--color-text);
            font-weight: 500;
            pointer-events: none;
        }

        /* ========== 页面标题区 ========== */
        .page-hero {
            padding: 32px 0 48px;
            background: var(--color-bg);
        }

        .page-hero h1 {
            font-size: clamp(32px, 4vw, 46px);
            font-weight: 700;
            font-family: var(--font-title);
            color: var(--color-primary);
            margin-bottom: 16px;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .page-hero .hero-sub {
            font-size: 16px;
            color: var(--color-text-muted);
            max-width: 720px;
            line-height: 1.85;
        }

        .page-hero .hero-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 20px;
            flex-wrap: wrap;
        }

        .page-hero .hero-meta .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 500;
            color: var(--color-text-muted);
            background: var(--color-bg-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            padding: 6px 14px;
        }

        .page-hero .hero-meta .badge i {
            color: var(--color-accent);
            font-size: 12px;
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: var(--section-padding);
        }

        .section-alt {
            background: var(--color-bg-white);
        }

        .section-dark {
            background: var(--color-primary);
            color: #f0ede4;
        }

        .section-dark .section-title {
            color: #f0ede4;
        }
        .section-dark .section-subtitle {
            color: #c5c9c4;
        }
        .section-dark .section-label {
            color: var(--color-accent);
            border-left-color: var(--color-accent);
        }

        /* ========== 工具介绍区 ========== */
        .tool-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .tool-intro-text h2 {
            font-size: 26px;
            font-weight: 700;
            font-family: var(--font-title);
            color: var(--color-primary);
            margin-bottom: 16px;
        }

        .tool-intro-text p {
            color: var(--color-text-muted);
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .tool-intro-text .feature-list {
            list-style: none;
            padding: 0;
            margin: 20px 0 0;
        }

        .tool-intro-text .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            color: var(--color-text);
            font-size: 15px;
        }

        .tool-intro-text .feature-list li i {
            color: var(--color-positive);
            font-size: 15px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .tool-intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
        }

        .tool-intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        .tool-intro-image .img-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 24px;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        /* ========== 交互表单区 ========== */
        .tool-form-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-md);
            padding: 32px;
        }

        .tool-form-card .form-title {
            font-size: 20px;
            font-weight: 700;
            font-family: var(--font-title);
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .tool-form-card .form-desc {
            font-size: 14px;
            color: var(--color-text-muted);
            margin-bottom: 24px;
        }

        .tool-form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 16px;
            margin-bottom: 20px;
        }

        .tool-form-grid .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .tool-form-grid .form-group label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text);
            letter-spacing: 0.02em;
        }

        .tool-form-grid .form-group select,
        .tool-form-grid .form-group input {
            width: 100%;
            padding: 10px 14px;
            font-size: 15px;
            color: var(--color-text);
            background: var(--color-bg-white);
            border: 1px solid var(--color-border-strong);
            border-radius: var(--radius-sm);
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
            appearance: auto;
            -webkit-appearance: auto;
        }

        .tool-form-grid .form-group select:focus,
        .tool-form-grid .form-group input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 2px rgba(177, 140, 74, 0.2);
        }

        .tool-form-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            border: none;
            outline: none;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(177, 140, 74, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-secondary {
            background: transparent;
            color: var(--color-primary);
            border: 1px solid var(--color-border-strong);
        }

        .btn-secondary:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(177, 140, 74, 0.04);
        }

        .btn-dark {
            background: var(--color-primary);
            color: #fff;
        }

        .btn-dark:hover {
            background: var(--color-primary-soft);
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        .btn-outline-light {
            background: transparent;
            color: #f0ede4;
            border: 1px solid rgba(255, 255, 255, 0.4);
        }

        .btn-outline-light:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(177, 140, 74, 0.1);
        }

        /* ========== 结果展示区 ========== */
        .result-panel {
            display: none;
            margin-top: 24px;
            padding: 24px;
            background: var(--color-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
        }

        .result-panel.visible {
            display: block;
            animation: fadeInUp 0.4s ease;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(16px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .result-panel .result-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 20px;
        }

        .result-panel .result-header h3 {
            font-size: 18px;
            font-weight: 700;
            font-family: var(--font-title);
            color: var(--color-primary);
            margin: 0;
        }

        .result-panel .result-header .result-status {
            font-size: 12px;
            color: var(--color-positive);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .result-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-bottom: 24px;
        }

        .result-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            padding: 16px;
            text-align: center;
            transition: all var(--transition);
        }

        .result-card:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--color-border-strong);
        }

        .result-card .rc-label {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-bottom: 6px;
        }

        .result-card .rc-value {
            font-size: 28px;
            font-weight: 700;
            font-family: var(--font-mono);
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .result-card .rc-value.hot {
            color: var(--color-alert);
        }
        .result-card .rc-value.cold {
            color: var(--color-positive);
        }

        .result-card .rc-note {
            font-size: 11px;
            color: var(--color-text-light);
        }

        /* 条形图 */
        .freq-chart {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            padding: 20px;
            margin-bottom: 24px;
        }

        .freq-chart h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            font-family: var(--font-title);
        }

        .freq-bars {
            display: flex;
            align-items: flex-end;
            gap: 4px;
            height: 140px;
            padding: 0 4px;
        }

        .freq-bar-wrapper {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            min-width: 0;
        }

        .freq-bar {
            width: 100%;
            max-width: 32px;
            background: var(--color-accent);
            border-radius: 4px 4px 0 0;
            transition: height 0.4s ease, background var(--transition);
            min-height: 4px;
        }

        .freq-bar.hot {
            background: var(--color-alert);
        }
        .freq-bar.cold {
            background: var(--color-positive);
        }
        .freq-bar:hover {
            background: var(--color-accent-hover);
        }

        .freq-bar-label {
            font-size: 11px;
            font-family: var(--font-mono);
            color: var(--color-text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 100%;
        }

        .freq-bar-value {
            font-size: 10px;
            font-family: var(--font-mono);
            color: var(--color-text-light);
        }

        .freq-legend {
            display: flex;
            gap: 16px;
            margin-top: 12px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--color-text-muted);
        }

        .freq-legend span {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .freq-legend .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            display: inline-block;
        }
        .freq-legend .dot.hot {
            background: var(--color-alert);
        }
        .freq-legend .dot.cold {
            background: var(--color-positive);
        }
        .freq-legend .dot.normal {
            background: var(--color-accent);
        }

        /* ========== 对比表格 ========== */
        .table-compare-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .table-compare {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--color-border);
        }

        .table-compare thead th {
            background: var(--color-primary);
            color: #f0ede4;
            font-weight: 600;
            font-size: 13px;
            padding: 12px 16px;
            text-align: left;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .table-compare tbody td {
            padding: 12px 16px;
            border-top: 1px solid var(--color-border);
            color: var(--color-text);
            font-family: var(--font-mono);
            font-size: 14px;
            white-space: nowrap;
        }

        .table-compare tbody tr {
            transition: background var(--transition);
        }

        .table-compare tbody tr:hover {
            background: rgba(177, 140, 74, 0.06);
        }

        .table-compare .td-label {
            font-family: var(--font-body);
            font-weight: 600;
            color: var(--color-primary);
        }

        .table-compare .td-high {
            color: var(--color-alert);
            font-weight: 600;
        }
        .table-compare .td-low {
            color: var(--color-positive);
            font-weight: 600;
        }

        /* ========== 深度解读区 ========== */
        .deep-content {
            max-width: 820px;
            margin: 0 auto;
        }

        .deep-content h2 {
            font-size: 26px;
            font-weight: 700;
            font-family: var(--font-title);
            color: var(--color-primary);
            margin-bottom: 16px;
        }

        .deep-content h3 {
            font-size: 19px;
            font-weight: 700;
            font-family: var(--font-title);
            color: var(--color-primary);
            margin: 28px 0 12px;
        }

        .deep-content p {
            color: var(--color-text-muted);
            line-height: 1.9;
            margin-bottom: 16px;
            text-align: justify;
        }

        .deep-content blockquote {
            margin: 20px 0;
            padding: 16px 20px;
            border-left: 3px solid var(--color-accent);
            background: var(--color-bg-white);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text);
            font-style: italic;
            font-size: 15px;
        }

        .deep-content blockquote cite {
            display: block;
            margin-top: 8px;
            font-size: 12px;
            color: var(--color-text-light);
            font-style: normal;
        }

        .deep-content .data-callout {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin: 24px 0;
            padding: 20px;
            background: var(--color-primary);
            border-radius: var(--radius-md);
            color: #f0ede4;
        }

        .deep-content .data-callout .dc-item {
            flex: 1;
            min-width: 120px;
            text-align: center;
        }

        .deep-content .data-callout .dc-item .dc-value {
            font-size: 28px;
            font-weight: 700;
            font-family: var(--font-mono);
            color: var(--color-accent);
            display: block;
        }

        .deep-content .data-callout .dc-item .dc-label {
            font-size: 12px;
            color: #c5c9c4;
            margin-top: 4px;
        }

        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
        }

        .accordion {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            background: transparent;
        }

        .accordion-item {
            border-bottom: 1px solid var(--color-border);
            background: var(--color-bg-card);
        }

        .accordion-item:last-child {
            border-bottom: none;
        }

        .accordion-title {
            display: block;
            padding: 18px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-bg-card);
            position: relative;
            transition: background var(--transition), color var(--transition);
            border: none;
            text-align: left;
            width: 100%;
            cursor: pointer;
        }

        .accordion-title::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 13px;
            color: var(--color-text-light);
            transition: transform var(--transition);
        }

        .accordion-title:hover {
            background: rgba(177, 140, 74, 0.04);
            color: var(--color-accent);
        }

        .accordion-item.is-active .accordion-title {
            color: var(--color-accent);
            font-weight: 700;
        }

        .accordion-item.is-active .accordion-title::after {
            transform: translateY(-50%) rotate(180deg);
            color: var(--color-accent);
        }

        .accordion-content {
            padding: 0 20px 18px;
            color: var(--color-text-muted);
            font-size: 14.5px;
            line-height: 1.85;
            background: var(--color-bg-card);
            border-top: 1px solid var(--color-border);
            display: none;
        }

        .accordion-item.is-active .accordion-content {
            display: block;
            padding-top: 16px;
        }

        .accordion-content p {
            margin: 0;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 64px 0;
            background: var(--color-primary);
            color: #f0ede4;
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .cta-inner h2 {
            font-size: 26px;
            font-weight: 700;
            font-family: var(--font-title);
            color: #f0ede4;
            margin-bottom: 8px;
        }

        .cta-inner p {
            font-size: 15px;
            color: #c5c9c4;
            margin: 0;
            max-width: 460px;
            line-height: 1.75;
        }

        .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-primary);
            color: #c5c9c4;
            padding: 56px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 18px;
            font-weight: 700;
            font-family: var(--font-title);
            color: #f0ede4;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-desc {
            font-size: 13px;
            line-height: 1.8;
            color: #9aa29c;
            margin: 0 0 12px;
            max-width: 340px;
        }

        .footer-links h4 {
            font-size: 14px;
            font-weight: 600;
            color: #f0ede4;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }

        .footer-links a {
            display: block;
            font-size: 13px;
            color: #9aa29c;
            padding: 4px 0;
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 12px;
            color: #7c847e;
            text-align: center;
        }

        .footer-bottom a {
            color: #9aa29c;
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        .footer-bottom p {
            margin: 0 0 8px;
            line-height: 1.6;
        }
        .footer-bottom p:last-child {
            margin-bottom: 0;
        }

        /* ========== 响应式 ========== */
        @media screen and (max-width: 1024px) {
            .tool-form-grid {
                grid-template-columns: 1fr 1fr;
            }
            .result-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media screen and (max-width: 768px) {
            .tool-intro-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .tool-intro-image img {
                min-height: 220px;
            }
            .cta-inner {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
            .cta-actions {
                justify-content: center;
            }
        }

        @media screen and (max-width: 640px) {
            :root {
                --section-padding: 48px 0;
            }

            .header-nav-wrap {
                top: 10px;
                padding: 0 12px;
            }

            .header-nav-wrap .nav-capsule {
                padding: 6px 12px;
                border-radius: 18px;
                flex-wrap: wrap;
            }

            .nav-logo {
                font-size: 16px;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-menu {
                display: none;
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                gap: 0;
                padding-top: 8px;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.3s ease, padding 0.3s ease;
            }

            .nav-menu.open {
                display: flex;
                max-height: 400px;
                padding-top: 8px;
            }

            .nav-menu a {
                padding: 10px 14px;
                font-size: 14px;
                border-radius: 8px;
                text-align: center;
            }

            .nav-menu a.active {
                background: var(--color-primary);
                color: #fff;
            }

            .breadcrumb-wrap {
                padding: 80px 0 0;
            }

            .breadcrumb {
                font-size: 12px;
                padding: 10px 0;
                margin-bottom: 20px;
            }

            .page-hero h1 {
                font-size: 28px;
                line-height: 1.35;
            }

            .section {
                padding: var(--section-padding-mobile);
            }

            .section-title {
                font-size: 22px;
            }

            .tool-form-card {
                padding: 20px;
            }

            .tool-form-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .tool-form-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .tool-form-actions .btn {
                justify-content: center;
            }

            .result-cards {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .result-card {
                padding: 10px;
            }
            .result-card .rc-value {
                font-size: 20px;
            }

            .freq-bars {
                height: 100px;
                gap: 2px;
            }
            .freq-bar-wrapper {
                gap: 2px;
            }
            .freq-bar-label {
                font-size: 9px;
            }

            .table-compare thead th,
            .table-compare tbody td {
                padding: 8px 10px;
                font-size: 12px;
            }

            .deep-content {
                max-width: 100%;
            }
            .deep-content h2 {
                font-size: 21px;
            }
            .deep-content h3 {
                font-size: 17px;
            }
            .deep-content .data-callout {
                gap: 12px;
                padding: 14px;
            }
            .deep-content .data-callout .dc-item .dc-value {
                font-size: 20px;
            }

            .accordion-title {
                font-size: 14px;
                padding: 14px 16px;
            }
            .accordion-title::after {
                right: 16px;
            }
            .accordion-content {
                font-size: 13.5px;
                padding-left: 16px;
                padding-right: 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-desc {
                max-width: 100%;
            }
            .footer-bottom {
                font-size: 11px;
            }
        }

        @media screen and (max-width: 420px) {
            .result-cards {
                grid-template-columns: 1fr;
            }
            .result-card .rc-value {
                font-size: 22px;
            }
            .nav-menu a {
                font-size: 13px;
                padding: 8px 10px;
            }
            .page-hero h1 {
                font-size: 24px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #16201b;
            --color-primary-soft: #1f2d26;
            --color-accent: #b18c4a;
            --color-accent-hover: #9a793c;
            --color-bg: #f4f0e8;
            --color-bg-white: #fdfcf8;
            --color-bg-card: #ffffff;
            --color-alert: #c8553d;
            --color-positive: #0f6b62;
            --color-positive-soft: #0f6b621a;
            --color-text: #1a1f1b;
            --color-text-muted: #5a625c;
            --color-text-light: #8a918b;
            --color-border: rgba(0, 0, 0, 0.08);
            --color-border-strong: rgba(0, 0, 0, 0.14);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.12);
            --font-title: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', serif;
            --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-mono: 'Roboto Mono', 'Source Code Pro', 'Courier New', monospace;
            --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
            --section-padding: 72px 0;
            --section-padding-mobile: 44px 0;
            --container-max: 1200px;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background: var(--color-bg);
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--color-accent);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--color-accent);
            margin-bottom: 12px;
            border-left: 3px solid var(--color-accent);
            padding-left: 10px;
        }

        .section-title {
            font-size: clamp(24px, 3.2vw, 34px);
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .text-accent {
            color: var(--color-accent);
        }

        .text-alert {
            color: var(--color-alert);
        }

        .text-positive {
            color: var(--color-positive);
        }

        .text-muted {
            color: var(--color-text-muted);
        }

        /* ========== 悬浮胶囊导航 ========== */
        .header-nav-wrap {
            position: fixed;
            top: 18px;
            left: 0;
            right: 0;
            z-index: 999;
            padding: 0 24px;
            pointer-events: none;
        }

        .header-nav-wrap .nav-capsule {
            pointer-events: auto;
            max-width: 1100px;
            margin: 0 auto;
            background: rgba(244, 240, 232, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(0, 0, 0, 0.08);
            border-radius: var(--radius-pill);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            padding: 8px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: box-shadow var(--transition), background var(--transition);
        }

        .header-nav-wrap .nav-capsule.scrolled {
            background: rgba(244, 240, 232, 0.96);
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.1);
        }

        .nav-logo {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo .logo-dot {
            width: 10px;
            height: 10px;
            background: var(--color-accent);
            border-radius: 50%;
            display: inline-block;
            flex-shrink: 0;
        }

        .nav-logo .logo-dot.second {
            background: var(--color-alert);
            margin-left: -4px;
            opacity: 0.8;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }

        .nav-menu a {
            font-size: 13.5px;
            font-weight: 500;
            color: var(--color-text);
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-menu a:hover {
            background: rgba(0, 0, 0, 0.05);
            color: var(--color-primary);
        }

        .nav-menu a.active {
            background: var(--color-primary);
            color: #ffffff;
            font-weight: 600;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--color-primary);
            padding: 4px 8px;
            border-radius: 6px;
            transition: background var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-section {
            padding-top: 110px;
            padding-bottom: 0;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: var(--color-text-muted);
            transition: color var(--transition);
        }

        .breadcrumb-nav a:hover {
            color: var(--color-accent);
        }

        .breadcrumb-nav .separator {
            color: var(--color-text-light);
        }

        .breadcrumb-nav .current {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ========== Hero 分类页 ========== */
        .page-hero {
            position: relative;
            padding: 52px 0 36px;
            background: transparent;
        }

        .page-hero .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 820px;
        }

        .page-hero h1 {
            font-family: var(--font-title);
            font-size: clamp(32px, 4.5vw, 46px);
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .page-hero .hero-desc {
            font-size: 16px;
            color: var(--color-text-muted);
            line-height: 1.9;
            max-width: 640px;
            margin-bottom: 20px;
        }

        .hero-meta-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 8px;
        }

        .hero-meta-badges .badge-item {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--color-bg-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            font-size: 13px;
            color: var(--color-text-muted);
            box-shadow: var(--shadow-sm);
        }

        .hero-meta-badges .badge-item i {
            color: var(--color-accent);
            font-size: 14px;
        }

        .hero-meta-badges .badge-item .dot-online {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-positive);
            display: inline-block;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
        }

        /* ========== 开奖快照条 ========== */
        .snapshot-strip-section {
            padding: 20px 0 32px;
        }

        .snapshot-strip {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .snapshot-strip .strip-label {
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--color-accent);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .snapshot-strip .strip-label i {
            font-size: 14px;
        }

        .snapshot-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 16px;
        }

        .snapshot-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 14px 16px;
            transition: background var(--transition);
        }

        .snapshot-card:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .snapshot-card .ss-lottery-name {
            font-size: 13px;
            font-weight: 600;
            color: #e8e2d6;
            margin-bottom: 6px;
        }

        .snapshot-card .ss-issue {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            font-family: var(--font-mono);
            margin-bottom: 8px;
        }

        .snapshot-card .ss-numbers {
            display: flex;
            gap: 5px;
            flex-wrap: wrap;
        }

        .ss-numbers .num-circle {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-size: 12px;
            font-weight: 600;
            color: #ffffff;
            background: rgba(255, 255, 255, 0.15);
        }

        .ss-numbers .num-circle.red {
            background: var(--color-alert);
        }

        .ss-numbers .num-circle.blue {
            background: var(--color-positive);
        }

        .snapshot-card .ss-date {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 8px;
        }

        /* ========== 走势图主区域 ========== */
        .chart-main-section {
            padding: 32px 0 48px;
        }

        .chart-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 24px;
            align-items: start;
        }

        .chart-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
        }

        .chart-card .chart-header {
            padding: 18px 20px;
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .chart-card .chart-header h2 {
            font-size: 18px;
            font-weight: 700;
            margin: 0;
            color: var(--color-primary);
        }

        .chart-controls {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .chart-controls select,
        .chart-controls input {
            border: 1px solid var(--color-border-strong);
            border-radius: var(--radius-sm);
            padding: 6px 12px;
            font-size: 13px;
            background: var(--color-bg-white);
            color: var(--color-text);
            outline: none;
            font-family: var(--font-body);
            transition: border-color var(--transition);
        }

        .chart-controls select:focus,
        .chart-controls input:focus {
            border-color: var(--color-accent);
        }

        .chart-body {
            padding: 20px;
        }

        .chart-body svg {
            width: 100%;
            height: auto;
            overflow: visible;
        }

        .chart-legend {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            padding: 0 20px 16px;
        }

        .chart-legend .legend-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--color-text-muted);
        }

        .legend-item .legend-line {
            width: 24px;
            height: 3px;
            border-radius: 2px;
            background: var(--color-positive);
        }

        .legend-item .legend-line.trend-up {
            background: var(--color-positive);
        }

        .legend-item .legend-line.trend-down {
            background: var(--color-alert);
        }

        .legend-item .legend-line.accent-line {
            background: var(--color-accent);
        }

        /* 号码矩阵 */
        .number-matrix-section {
            padding: 0 20px 20px;
        }

        .number-matrix-section h3 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--color-primary);
        }

        .matrix-scroll {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 8px;
        }

        .matrix-table {
            min-width: 700px;
            border-collapse: collapse;
            font-size: 12px;
            width: 100%;
        }

        .matrix-table th,
        .matrix-table td {
            padding: 4px 6px;
            text-align: center;
            border: 1px solid rgba(0, 0, 0, 0.05);
        }

        .matrix-table th {
            background: var(--color-primary-soft);
            color: #e8e2d6;
            font-weight: 600;
            font-size: 11px;
            white-space: nowrap;
        }

        .matrix-table .issue-col {
            font-family: var(--font-mono);
            font-size: 10px;
            color: var(--color-text-muted);
            white-space: nowrap;
        }

        .matrix-dot {
            display: inline-block;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: transparent;
            border: 1px solid var(--color-border);
        }

        .matrix-dot.hit-red {
            background: var(--color-alert);
            border-color: var(--color-alert);
        }

        .matrix-dot.hit-blue {
            background: var(--color-positive);
            border-color: var(--color-positive);
        }

        .matrix-dot.hit-gold {
            background: var(--color-accent);
            border-color: var(--color-accent);
        }

        /* ========== 侧栏历史期号 ========== */
        .history-sidebar {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
        }

        .history-sidebar .sidebar-header {
            padding: 16px 18px;
            background: var(--color-primary);
            color: #ffffff;
            font-size: 15px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .history-sidebar .sidebar-header i {
            color: var(--color-accent);
        }

        .history-list {
            max-height: 480px;
            overflow-y: auto;
            padding: 8px 0;
        }

        .history-list a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 18px;
            font-size: 13px;
            color: var(--color-text);
            transition: background var(--transition);
            border-bottom: 1px solid var(--color-border);
        }

        .history-list a:last-child {
            border-bottom: none;
        }

        .history-list a:hover {
            background: var(--color-positive-soft);
            color: var(--color-primary);
        }

        .history-list .issue-text {
            font-family: var(--font-mono);
            font-weight: 500;
        }

        .history-list .issue-date {
            font-size: 11px;
            color: var(--color-text-light);
        }

        /* ========== 数据表格 ========== */
        .data-table-section {
            padding: 32px 0 48px;
        }

        .data-table-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
        }

        .data-table-card .table-header {
            padding: 18px 20px;
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .data-table-card .table-header h2 {
            font-size: 18px;
            font-weight: 700;
            margin: 0;
            color: var(--color-primary);
        }

        .table-scroll {
            overflow-x: auto;
        }

        .lottery-table {
            width: 100%;
            min-width: 760px;
            border-collapse: collapse;
            font-size: 13px;
        }

        .lottery-table th {
            background: var(--color-primary);
            color: #ffffff;
            font-weight: 500;
            padding: 12px 14px;
            text-align: left;
            white-space: nowrap;
            font-size: 12px;
        }

        .lottery-table td {
            padding: 12px 14px;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text);
            white-space: nowrap;
        }

        .lottery-table tr:hover td {
            background: rgba(15, 107, 98, 0.04);
        }

        .lottery-table .issue-cell {
            font-family: var(--font-mono);
            font-weight: 600;
            color: var(--color-primary);
        }

        .lottery-table .ball-group {
            display: flex;
            gap: 5px;
            flex-wrap: nowrap;
        }

        .ball-group .ball {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-size: 12px;
            font-weight: 600;
            color: #ffffff;
            flex-shrink: 0;
        }

        .ball-group .ball.red-ball {
            background: var(--color-alert);
        }

        .ball-group .ball.blue-ball {
            background: var(--color-positive);
        }

        .sum-cell {
            font-weight: 600;
            color: var(--color-accent);
            font-family: var(--font-mono);
        }

        .span-cell {
            font-family: var(--font-mono);
            color: var(--color-text-muted);
        }

        /* ========== 筛选器 ========== */
        .filter-section {
            padding: 32px 0 40px;
        }

        .filter-card {
            background: var(--color-bg-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: flex-end;
        }

        .filter-group {
            flex: 1;
            min-width: 180px;
        }

        .filter-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-muted);
            margin-bottom: 6px;
        }

        .filter-group select,
        .filter-group input {
            width: 100%;
            border: 1px solid var(--color-border-strong);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            font-size: 14px;
            background: #ffffff;
            color: var(--color-text);
            outline: none;
            font-family: var(--font-body);
            transition: border-color var(--transition);
        }

        .filter-group select:focus,
        .filter-group input:focus {
            border-color: var(--color-accent);
        }

        .filter-btn {
            background: var(--color-primary);
            color: #ffffff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 28px;
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .filter-btn:hover {
            background: var(--color-primary-soft);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .filter-btn:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        /* ========== 深度解读 ========== */
        .deep-insight-section {
            padding: 48px 0 56px;
        }

        .deep-insight-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 36px 32px;
        }

        .deep-insight-card h2 {
            font-family: var(--font-title);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
        }

        .deep-insight-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin-top: 28px;
            margin-bottom: 10px;
            border-left: 3px solid var(--color-accent);
            padding-left: 12px;
        }

        .deep-insight-card p {
            font-size: 15px;
            color: var(--color-text);
            line-height: 2;
            margin-bottom: 14px;
        }

        .deep-insight-card blockquote {
            border-left: 4px solid var(--color-accent);
            background: var(--color-positive-soft);
            padding: 16px 20px;
            margin: 20px 0;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.9;
        }

        .insight-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin: 24px 0;
        }

        .insight-stat {
            flex: 1;
            min-width: 140px;
            background: var(--color-bg);
            border-radius: var(--radius-md);
            padding: 16px;
            text-align: center;
        }

        .insight-stat .stat-number {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-accent);
            display: block;
        }

        .insight-stat .stat-label {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        /* ========== 相关工具 ========== */
        .related-tools-section {
            padding: 32px 0 48px;
        }

        .related-tools-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 20px;
        }

        .tool-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
        }

        .tool-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border-strong);
        }

        .tool-card .tool-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #e8e2d6;
        }

        .tool-card .tool-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .tool-card .tool-body {
            padding: 18px 20px;
        }

        .tool-card .tool-body h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-primary);
        }

        .tool-card .tool-body p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .tool-card .tool-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition);
        }

        .tool-card .tool-link:hover {
            color: var(--color-accent-hover);
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 48px 0 56px;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--color-border-strong);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            background: none;
            border: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: background var(--transition);
        }

        .faq-question:hover {
            background: rgba(15, 107, 98, 0.04);
        }

        .faq-question .faq-icon {
            font-size: 18px;
            color: var(--color-accent);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 300ms ease, padding 300ms ease;
            padding: 0 20px;
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.9;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 56px 0 72px;
        }

        .cta-banner {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 44px 36px;
            text-align: center;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(177, 140, 74, 0.15);
            pointer-events: none;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(15, 107, 98, 0.18);
            pointer-events: none;
        }

        .cta-banner h2 {
            font-family: var(--font-title);
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-banner p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.8;
            position: relative;
            z-index: 1;
        }

        .cta-buttons {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #ffffff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(177, 140, 74, 0.35);
            color: #ffffff;
        }

        .btn-primary:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        .btn-secondary {
            background: transparent;
            color: #ffffff;
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: var(--radius-sm);
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 500;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.6);
            color: #ffffff;
            transform: translateY(-1px);
        }

        .btn-secondary:focus {
            outline: 2px solid rgba(255, 255, 255, 0.5);
            outline-offset: 3px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-primary);
            color: #e8e2d6;
            padding: 56px 0 24px;
            margin-top: 0;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .site-footer .footer-brand {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
        }

        .footer-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.8;
            margin-bottom: 0;
        }

        .footer-links h4 {
            font-size: 14px;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 14px;
        }

        .footer-links a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 8px;
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.8;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* ========== 响应式断点 ========== */
        @media (max-width: 1024px) {
            .chart-layout {
                grid-template-columns: 1fr;
            }

            .history-sidebar {
                max-height: none;
            }

            .history-list {
                max-height: 320px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .nav-menu a {
                font-size: 12px;
                padding: 6px 10px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding: var(--section-padding-mobile);
            }

            .header-nav-wrap {
                top: 10px;
                padding: 0 14px;
            }

            .header-nav-wrap .nav-capsule {
                padding: 6px 12px;
                border-radius: var(--radius-lg);
            }

            .nav-menu {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 0;
                right: 0;
                background: rgba(244, 240, 232, 0.98);
                border-radius: var(--radius-md);
                border: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                padding: 12px;
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                z-index: 100;
            }

            .nav-menu.open {
                display: flex;
            }

            .nav-menu a {
                font-size: 14px;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }

            .nav-toggle {
                display: block;
            }

            .breadcrumb-section {
                padding-top: 80px;
            }

            .page-hero {
                padding: 32px 0 24px;
            }

            .page-hero h1 {
                font-size: 28px;
            }

            .snapshot-grid {
                grid-template-columns: 1fr 1fr;
            }

            .chart-controls {
                flex-direction: column;
                width: 100%;
            }

            .chart-controls select,
            .chart-controls input {
                width: 100%;
            }

            .filter-card {
                flex-direction: column;
                align-items: stretch;
            }

            .filter-group {
                min-width: 100%;
            }

            .deep-insight-card {
                padding: 24px 18px;
            }

            .related-tools-grid {
                grid-template-columns: 1fr;
            }

            .cta-banner {
                padding: 32px 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }

            .snapshot-grid {
                grid-template-columns: 1fr;
            }

            .hero-meta-badges {
                flex-direction: column;
                align-items: flex-start;
            }

            .lottery-table {
                min-width: 640px;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #16201b;
            --color-primary-soft: #1f2d26;
            --color-accent: #b18c4a;
            --color-accent-hover: #9a793c;
            --color-bg: #f4f0e8;
            --color-bg-white: #fdfcf8;
            --color-bg-card: #ffffff;
            --color-alert: #c8553d;
            --color-positive: #0f6b62;
            --color-positive-soft: #0f6b621a;
            --color-text: #1a1f1b;
            --color-text-muted: #5a625c;
            --color-text-light: #8a918b;
            --color-border: rgba(0, 0, 0, 0.08);
            --color-border-strong: rgba(0, 0, 0, 0.14);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.12);
            --font-title: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', serif;
            --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-mono: 'Roboto Mono', 'Source Code Pro', 'Courier New', monospace;
            --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
            --section-padding: 80px 0;
            --section-padding-mobile: 48px 0;
            --container-max: 1200px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background: var(--color-bg);
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--color-accent);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--color-accent);
            margin-bottom: 12px;
            border-left: 3px solid var(--color-accent);
            padding-left: 10px;
        }

        .section-title {
            font-size: clamp(24px, 3.2vw, 34px);
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
            font-family: var(--font-title);
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.85;
            margin-bottom: 32px;
        }

        .text-accent {
            color: var(--color-accent);
        }

        .text-alert {
            color: var(--color-alert);
        }

        .text-positive {
            color: var(--color-positive);
        }

        .text-muted {
            color: var(--color-text-muted);
        }

        /* ========== 悬浮胶囊导航 ========== */
        .header-nav-wrap {
            position: fixed;
            top: 18px;
            left: 0;
            right: 0;
            z-index: 999;
            padding: 0 24px;
            pointer-events: none;
        }

        .header-nav-wrap .nav-capsule {
            pointer-events: auto;
            max-width: 1160px;
            margin: 0 auto;
            background: rgba(244, 240, 232, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(0, 0, 0, 0.08);
            border-radius: var(--radius-pill);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            padding: 8px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: box-shadow var(--transition), background var(--transition);
        }

        .header-nav-wrap .nav-capsule.scrolled {
            background: rgba(244, 240, 232, 0.96);
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.1);
        }

        .nav-logo {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo .logo-dot {
            width: 10px;
            height: 10px;
            background: var(--color-accent);
            border-radius: 50%;
            display: inline-block;
            flex-shrink: 0;
        }

        .nav-logo .logo-dot.second {
            background: var(--color-alert);
            margin-left: -4px;
            opacity: 0.8;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }

        .nav-menu a {
            font-size: 13.5px;
            font-weight: 500;
            color: var(--color-text);
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-menu a:hover {
            background: rgba(0, 0, 0, 0.05);
            color: var(--color-primary);
        }

        .nav-menu a.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }

        .nav-menu a.active:hover {
            color: #fff;
            background: var(--color-primary-soft);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--color-primary);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            pointer-events: auto;
            transition: background var(--transition);
            line-height: 1;
        }

        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        .nav-toggle:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            padding: 130px 0 16px;
            background: transparent;
        }

        .breadcrumb-nav {
            font-size: 14px;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }

        .breadcrumb-nav a {
            color: var(--color-text-muted);
            transition: color var(--transition);
        }

        .breadcrumb-nav a:hover {
            color: var(--color-accent);
        }

        .breadcrumb-nav .sep {
            color: var(--color-text-light);
            font-size: 12px;
        }

        .breadcrumb-nav .current {
            color: var(--color-text);
            font-weight: 600;
        }

        /* ========== Banner/Hero ========== */
        .news-hero {
            position: relative;
            padding: 48px 0 56px;
            overflow: hidden;
        }

        .news-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            z-index: 0;
        }

        .news-hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(22, 32, 27, 0.92) 0%, rgba(22, 32, 27, 0.68) 45%, rgba(22, 32, 27, 0.42) 100%);
        }

        .news-hero .container-custom {
            position: relative;
            z-index: 2;
        }

        .news-hero-content {
            max-width: 780px;
            color: #fff;
        }

        .news-hero-content h1 {
            font-family: var(--font-title);
            font-size: clamp(32px, 4.8vw, 52px);
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
            letter-spacing: -0.01em;
            line-height: 1.25;
        }

        .news-hero-content .hero-desc {
            font-size: 17px;
            line-height: 1.9;
            color: rgba(244, 240, 232, 0.86);
            margin: 0 0 28px;
            max-width: 640px;
        }

        .news-hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .news-hero-meta .badge-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: #fff;
            font-size: 13px;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }

        .news-hero-meta .badge-chip i {
            color: var(--color-accent);
        }

        /* ========== 头条大图 ========== */
        .headline-section {
            padding: 56px 0 64px;
            background: var(--color-bg);
        }

        .headline-card {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .headline-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .headline-image {
            position: relative;
            min-height: 380px;
            overflow: hidden;
        }

        .headline-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 380px;
        }

        .headline-image .headline-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--color-alert);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.04em;
        }

        .headline-body {
            padding: 40px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .headline-date {
            font-size: 13px;
            color: var(--color-text-light);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .headline-date i {
            color: var(--color-accent);
        }

        .headline-body h2 {
            font-family: var(--font-title);
            font-size: clamp(22px, 2.6vw, 30px);
            font-weight: 700;
            margin: 0 0 14px;
            line-height: 1.4;
            color: var(--color-primary);
        }

        .headline-body p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.9;
            margin: 0 0 22px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            transition: all var(--transition);
            text-decoration: none;
            cursor: pointer;
        }

        .btn:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        .btn-primary:hover {
            background: var(--color-primary-soft);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-border-strong);
        }

        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-1px);
        }

        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }

        .btn-accent:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(177, 140, 74, 0.28);
        }

        .btn .arrow {
            transition: transform var(--transition);
            font-size: 13px;
        }

        .btn:hover .arrow {
            transform: translateX(3px);
        }

        /* ========== 资讯列表 + 侧栏 ========== */
        .news-list-section {
            padding: 0 0 72px;
            background: var(--color-bg);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 36px;
            align-items: start;
        }

        .news-list-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 24px;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--color-border);
        }

        .news-list-header h2 {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            margin: 0;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .news-list-header .count-badge {
            font-size: 12px;
            font-weight: 600;
            background: var(--color-positive-soft);
            color: var(--color-positive);
            padding: 3px 10px;
            border-radius: var(--radius-pill);
        }

        .news-item {
            display: grid;
            grid-template-columns: 200px 1fr;
            gap: 22px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 18px;
            margin-bottom: 16px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-strong);
            transform: translateY(-2px);
        }

        .news-item-thumb {
            border-radius: var(--radius-sm);
            overflow: hidden;
            height: 130px;
        }

        .news-item-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-item-body {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-item-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12.5px;
            color: var(--color-text-light);
            margin-bottom: 6px;
            flex-wrap: wrap;
        }

        .news-item-meta .news-cat {
            color: var(--color-accent);
            font-weight: 600;
            background: rgba(177, 140, 74, 0.1);
            padding: 2px 8px;
            border-radius: var(--radius-pill);
            font-size: 11.5px;
        }

        .news-item-body h3 {
            font-family: var(--font-title);
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 8px;
            line-height: 1.5;
            color: var(--color-primary);
        }

        .news-item-body h3 a:hover {
            color: var(--color-accent);
        }

        .news-item-excerpt {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin: 0 0 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        .read-more-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: all var(--transition);
        }

        .read-more-link:hover {
            color: var(--color-accent);
        }

        .read-more-link .arrow {
            font-size: 12px;
            transition: transform var(--transition);
        }

        .read-more-link:hover .arrow {
            transform: translateX(3px);
        }

        /* ========== 侧栏订阅卡 ========== */
        .sidebar-widget {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-sm);
        }

        .sidebar-widget h3 {
            font-family: var(--font-title);
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 10px;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            gap: 7px;
        }

        .sidebar-widget h3 i {
            color: var(--color-accent);
            font-size: 15px;
        }

        .sidebar-widget .widget-desc {
            font-size: 13.5px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin: 0 0 16px;
        }

        .subscribe-form .form-group {
            margin-bottom: 12px;
        }

        .subscribe-form input[type="email"],
        .subscribe-form input[type="text"] {
            width: 100%;
            padding: 11px 14px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-family: var(--font-body);
            font-size: 14px;
            background: var(--color-bg);
            color: var(--color-text);
            transition: all var(--transition);
            outline: none;
        }

        .subscribe-form input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(177, 140, 74, 0.15);
        }

        .subscribe-form .btn {
            width: 100%;
            justify-content: center;
        }

        .form-note {
            font-size: 12px;
            color: var(--color-text-light);
            margin-top: 8px;
        }

        /* 热门标签 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud .tag {
            font-size: 12.5px;
            color: var(--color-text-muted);
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            padding: 5px 12px;
            border-radius: var(--radius-pill);
            transition: all var(--transition);
            cursor: pointer;
        }

        .tag-cloud .tag:hover {
            color: #fff;
            background: var(--color-accent);
            border-color: var(--color-accent);
        }

        /* ========== 数据快照条 ========== */
        .data-snapshot {
            padding: 56px 0;
            background: var(--color-primary);
            color: #fff;
        }

        .data-snapshot .section-label {
            color: var(--color-accent);
            border-left-color: var(--color-accent);
        }

        .data-snapshot h2 {
            font-family: var(--font-title);
            font-size: clamp(20px, 2.4vw, 28px);
            font-weight: 700;
            margin: 0 0 8px;
            color: #fff;
        }

        .data-snapshot .snapshot-desc {
            font-size: 14.5px;
            color: rgba(244, 240, 232, 0.72);
            margin: 0 0 28px;
            max-width: 560px;
            line-height: 1.8;
        }

        .snapshot-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 18px;
        }

        .snapshot-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            transition: all var(--transition);
        }

        .snapshot-card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(177, 140, 74, 0.4);
        }

        .snapshot-card .lottery-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .snapshot-card .draw-numbers {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 8px;
        }

        .snapshot-card .draw-numbers .num {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 700;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.18);
            transition: all var(--transition);
        }

        .snapshot-card .draw-numbers .num.red {
            background: var(--color-alert);
            border-color: transparent;
        }

        .snapshot-card .draw-numbers .num.blue {
            background: var(--color-positive);
            border-color: transparent;
        }

        .snapshot-card .draw-date {
            font-size: 12px;
            color: rgba(244, 240, 232, 0.5);
        }

        /* ========== 热门话题标签区 ========== */
        .hot-topics {
            padding: 56px 0;
            background: var(--color-bg);
        }

        .hot-topics .section-title {
            font-size: clamp(20px, 2.2vw, 26px);
        }

        .topic-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 18px;
        }

        .topic-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .topic-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-strong);
            transform: translateY(-2px);
        }

        .topic-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: var(--color-positive-soft);
            color: var(--color-positive);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 18px;
        }

        .topic-card:nth-child(2n) .topic-icon {
            background: rgba(177, 140, 74, 0.12);
            color: var(--color-accent);
        }

        .topic-card:nth-child(3n) .topic-icon {
            background: rgba(200, 85, 61, 0.1);
            color: var(--color-alert);
        }

        .topic-card h4 {
            font-family: var(--font-title);
            font-size: 15.5px;
            font-weight: 700;
            margin: 0 0 4px;
            color: var(--color-primary);
        }

        .topic-card p {
            font-size: 13px;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.7;
        }

        /* ========== 深度解读区 ========== */
        .insight-section {
            padding: 64px 0;
            background: var(--color-bg-white);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .insight-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 44px;
            align-items: start;
        }

        .insight-text h2 {
            font-family: var(--font-title);
            font-size: clamp(22px, 2.6vw, 28px);
            font-weight: 700;
            margin: 0 0 16px;
            color: var(--color-primary);
        }

        .insight-text h3 {
            font-family: var(--font-title);
            font-size: 17px;
            font-weight: 700;
            margin: 24px 0 6px;
            color: var(--color-primary);
        }

        .insight-text p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 2;
            margin: 0 0 16px;
        }

        .insight-text .quote-block {
            border-left: 3px solid var(--color-accent);
            padding: 14px 18px;
            background: rgba(177, 140, 74, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 20px 0;
            font-size: 14.5px;
            color: var(--color-text);
            line-height: 1.9;
        }

        .insight-table-wrap {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }

        .insight-table-wrap h3 {
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 14px;
            color: var(--color-primary);
        }

        .insight-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 13.5px;
        }

        .insight-table th,
        .insight-table td {
            padding: 10px 12px;
            text-align: left;
            border-bottom: 1px solid var(--color-border);
            font-family: var(--font-body);
        }

        .insight-table th {
            font-weight: 600;
            color: var(--color-text);
            font-size: 12.5px;
            letter-spacing: 0.02em;
            background: var(--color-bg);
        }

        .insight-table td {
            color: var(--color-text-muted);
        }

        .insight-table tr:hover td {
            background: rgba(177, 140, 74, 0.04);
        }

        .insight-table .mono-cell {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--color-text);
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 64px 0;
            background: var(--color-bg);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: color var(--transition);
        }

        .faq-question:hover {
            color: var(--color-accent);
        }

        .faq-question .faq-toggle-icon {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            border: 1px solid var(--color-border-strong);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--color-text-muted);
            flex-shrink: 0;
            transition: all var(--transition);
        }

        .faq-item.open .faq-toggle-icon {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 300ms ease, padding 300ms ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.9;
            margin: 0;
        }

        /* ========== CTA 订阅 ========== */
        .cta-section {
            padding: 72px 0;
            background: var(--color-primary);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: rgba(177, 140, 74, 0.1);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .container-custom {
            position: relative;
            z-index: 2;
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 44px;
            align-items: center;
        }

        .cta-info h2 {
            font-family: var(--font-title);
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            margin: 0 0 14px;
            color: #fff;
        }

        .cta-info p {
            font-size: 15px;
            color: rgba(244, 240, 232, 0.78);
            line-height: 1.9;
            margin: 0 0 22px;
            max-width: 500px;
        }

        .cta-features {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .cta-features .chip {
            font-size: 13px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .cta-features .chip i {
            color: var(--color-accent);
            font-size: 12px;
        }

        .cta-form-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .cta-form-card h3 {
            font-family: var(--font-title);
            font-size: 19px;
            font-weight: 700;
            margin: 0 0 8px;
            color: #fff;
        }

        .cta-form-card p {
            font-size: 13.5px;
            color: rgba(244, 240, 232, 0.65);
            margin: 0 0 20px;
            line-height: 1.7;
        }

        .cta-form-card input {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 14px;
            font-family: var(--font-body);
            outline: none;
            transition: all var(--transition);
            margin-bottom: 12px;
        }

        .cta-form-card input::placeholder {
            color: rgba(244, 240, 232, 0.45);
        }

        .cta-form-card input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(177, 140, 74, 0.2);
        }

        /* ========== 分页 ========== */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 6px;
            padding: 20px 0 8px;
            flex-wrap: wrap;
        }

        .pagination-wrap .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 10px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 13.5px;
            font-weight: 500;
            color: var(--color-text);
            background: var(--color-bg-card);
            transition: all var(--transition);
            cursor: pointer;
            text-decoration: none;
        }

        .pagination-wrap .page-btn:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: #fff;
        }

        .pagination-wrap .page-btn.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            font-weight: 600;
        }

        .pagination-wrap .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-primary);
            color: #fff;
            padding: 56px 0 24px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 24px;
        }

        .footer-brand {
            font-family: var(--font-title);
            font-size: 19px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 13.5px;
            color: rgba(244, 240, 232, 0.65);
            line-height: 1.85;
            margin: 0;
            max-width: 360px;
        }

        .footer-links h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            font-family: var(--font-title);
        }

        .footer-links a {
            display: block;
            font-size: 13.5px;
            color: rgba(244, 240, 232, 0.68);
            padding: 5px 0;
            transition: all var(--transition);
        }

        .footer-links a:hover {
            color: var(--color-accent);
            transform: translateX(2px);
        }

        .footer-bottom {
            text-align: center;
            font-size: 12.5px;
            color: rgba(244, 240, 232, 0.55);
            line-height: 1.9;
        }

        .footer-bottom a {
            color: rgba(244, 240, 232, 0.7);
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .news-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .sidebar-wrap {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

            .sidebar-widget {
                margin-bottom: 0;
            }

            .insight-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .cta-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .headline-card {
                grid-template-columns: 1fr;
            }

            .headline-image {
                min-height: 240px;
            }

            .headline-image img {
                min-height: 240px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding: 56px 0;
                --section-padding-mobile: 40px 0;
            }

            .header-nav-wrap {
                padding: 0 12px;
                top: 10px;
            }

            .nav-capsule {
                padding: 6px 12px;
            }

            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
                font-size: 20px;
            }

            .nav-menu {
                position: absolute;
                top: calc(100% + 10px);
                left: 0;
                right: 0;
                background: rgba(244, 240, 232, 0.98);
                border: 1px solid var(--color-border);
                border-radius: var(--radius-md);
                box-shadow: var(--shadow-lg);
                padding: 12px;
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                display: none;
                backdrop-filter: blur(14px);
                -webkit-backdrop-filter: blur(14px);
            }

            .nav-menu.open {
                display: flex;
            }

            .nav-menu a {
                padding: 10px 14px;
                font-size: 14px;
                border-radius: var(--radius-sm);
                white-space: normal;
                text-align: left;
            }

            .news-hero {
                padding: 32px 0 40px;
            }

            .news-hero-content h1 {
                font-size: clamp(26px, 5.5vw, 36px);
            }

            .news-item {
                grid-template-columns: 1fr;
                gap: 14px;
                padding: 14px;
            }

            .news-item-thumb {
                height: 180px;
            }

            .headline-body {
                padding: 24px 18px;
            }

            .sidebar-wrap {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .sidebar-widget {
                margin-bottom: 0;
            }

            .topic-grid {
                grid-template-columns: 1fr;
            }

            .insight-table-wrap {
                padding: 16px;
                overflow-x: auto;
            }

            .insight-table {
                min-width: 500px;
            }

            .cta-form-card {
                padding: 24px 18px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-desc {
                max-width: 100%;
            }

            .breadcrumb-bar {
                padding-top: 110px;
            }

            .snapshot-cards {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }

            .nav-logo {
                font-size: 16px;
            }

            .news-hero-content .hero-desc {
                font-size: 15px;
            }

            .news-hero-meta {
                gap: 8px;
            }

            .news-hero-meta .badge-chip {
                font-size: 11.5px;
                padding: 4px 10px;
            }

            .headline-image,
            .headline-image img {
                min-height: 200px;
            }

            .headline-body h2 {
                font-size: 20px;
            }

            .news-item-thumb {
                height: 150px;
            }

            .snapshot-cards {
                grid-template-columns: 1fr;
            }

            .draw-numbers .num {
                width: 30px;
                height: 30px;
                font-size: 12px;
            }

            .btn {
                font-size: 13px;
                padding: 9px 18px;
            }

            .pagination-wrap .page-btn {
                min-width: 34px;
                height: 34px;
                font-size: 12.5px;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #16201b;
            --color-primary-soft: #1f2d26;
            --color-accent: #b18c4a;
            --color-accent-hover: #9a793c;
            --color-bg: #f4f0e8;
            --color-bg-white: #fdfcf8;
            --color-bg-card: #ffffff;
            --color-alert: #c8553d;
            --color-positive: #0f6b62;
            --color-positive-soft: #0f6b621a;
            --color-text: #1a1f1b;
            --color-text-muted: #5a625c;
            --color-text-light: #8a918b;
            --color-border: rgba(0, 0, 0, 0.08);
            --color-border-strong: rgba(0, 0, 0, 0.14);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.12);
            --font-title: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', serif;
            --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-mono: 'Roboto Mono', 'Source Code Pro', 'Courier New', monospace;
            --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
            --section-padding: 80px 0;
            --section-padding-mobile: 48px 0;
            --container-max: 1200px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background: var(--color-bg);
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--color-accent);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--color-accent);
            margin-bottom: 12px;
            border-left: 3px solid var(--color-accent);
            padding-left: 10px;
        }

        .section-title {
            font-size: clamp(24px, 3.2vw, 34px);
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
            font-family: var(--font-title);
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .text-accent { color: var(--color-accent); }
        .text-alert { color: var(--color-alert); }
        .text-positive { color: var(--color-positive); }
        .text-muted { color: var(--color-text-muted); }

        /* ========== 悬浮胶囊导航 ========== */
        .header-nav-wrap {
            position: fixed;
            top: 18px;
            left: 0;
            right: 0;
            z-index: 999;
            padding: 0 24px;
            pointer-events: none;
        }

        .header-nav-wrap .nav-capsule {
            pointer-events: auto;
            max-width: 1100px;
            margin: 0 auto;
            background: rgba(244, 240, 232, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(0, 0, 0, 0.08);
            border-radius: var(--radius-pill);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            padding: 8px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: box-shadow var(--transition), background var(--transition);
        }

        .header-nav-wrap .nav-capsule.scrolled {
            background: rgba(244, 240, 232, 0.96);
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.1);
        }

        .nav-logo {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo .logo-dot {
            width: 10px;
            height: 10px;
            background: var(--color-accent);
            border-radius: 50%;
            display: inline-block;
            flex-shrink: 0;
        }

        .nav-logo .logo-dot.second {
            background: var(--color-alert);
            margin-left: -4px;
            opacity: 0.8;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu a {
            font-size: 13.5px;
            font-weight: 500;
            color: var(--color-text);
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
            display: block;
        }

        .nav-menu a:hover {
            background: rgba(0, 0, 0, 0.05);
            color: var(--color-primary);
        }

        .nav-menu a.active {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 2px 10px rgba(22, 32, 27, 0.25);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-primary);
            font-size: 22px;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        @media (max-width: 1024px) {
            .nav-menu a {
                font-size: 12.5px;
                padding: 7px 10px;
            }
        }

        @media (max-width: 768px) {
            .header-nav-wrap {
                top: 10px;
                padding: 0 12px;
            }
            .header-nav-wrap .nav-capsule {
                padding: 8px 12px;
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 2px;
                padding: 10px 0 6px;
                background: rgba(244, 240, 232, 0.98);
                border-radius: var(--radius-md);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 10px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
                font-size: 14px;
            }
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            background: var(--color-bg);
            padding: 14px 0;
            border-bottom: 1px solid var(--color-border);
            margin-top: 76px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb li:not(:last-child)::after {
            content: '/';
            color: var(--color-text-light);
            font-size: 12px;
            margin-left: 4px;
        }

        .breadcrumb a {
            color: var(--color-text-muted);
        }

        .breadcrumb a:hover {
            color: var(--color-accent);
        }

        .breadcrumb .current {
            color: var(--color-accent);
            font-weight: 600;
        }

        /* ========== Hero 矮横幅 ========== */
        .analyst-hero {
            background: linear-gradient(180deg, #f4f0e8 0%, #fdfcf8 100%);
            padding: 64px 0 48px;
            border-bottom: 1px solid var(--color-border);
            position: relative;
            overflow: hidden;
        }

        .analyst-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background: var(--color-positive-soft);
            clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
            z-index: 0;
            pointer-events: none;
        }

        .analyst-hero .container-custom {
            position: relative;
            z-index: 1;
        }

        .analyst-hero h1 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 700;
            font-family: var(--font-title);
            margin: 0 0 12px;
            letter-spacing: -0.015em;
            color: var(--color-primary);
            max-width: 720px;
        }

        .analyst-hero .hero-sub {
            font-size: 16.5px;
            color: var(--color-text-muted);
            max-width: 620px;
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .analyst-hero .hero-meta {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--color-text-light);
        }

        .analyst-hero .hero-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .analyst-hero .hero-meta i {
            color: var(--color-accent);
            font-size: 11px;
        }

        @media (max-width: 768px) {
            .analyst-hero {
                padding: 40px 0 32px;
            }
            .analyst-hero::before {
                width: 70%;
                opacity: 0.5;
            }
        }

        /* ========== 分析师团队介绍 ========== */
        .analyst-team-section {
            padding: var(--section-padding);
            background: var(--color-bg);
        }

        .analyst-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }

        .analyst-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 28px 24px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .analyst-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-accent);
            opacity: 0;
            transition: opacity var(--transition);
        }

        .analyst-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-strong);
            transform: translateY(-3px);
        }

        .analyst-card:hover::before {
            opacity: 1;
        }

        .analyst-avatar {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            font-family: var(--font-title);
            margin-bottom: 16px;
            letter-spacing: 0.05em;
        }

        .analyst-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-primary);
            font-family: var(--font-title);
        }

        .analyst-card .analyst-role {
            font-size: 13px;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: 10px;
            letter-spacing: 0.04em;
        }

        .analyst-card p {
            font-size: 14.5px;
            color: var(--color-text-muted);
            line-height: 1.75;
            margin: 0;
        }

        @media (max-width: 768px) {
            .analyst-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ========== 精选文章 ========== */
        .featured-article-section {
            padding: var(--section-padding);
            background: var(--color-bg-white);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .featured-article {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            transition: all var(--transition);
        }

        .featured-article:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border-strong);
        }

        .featured-article .featured-img {
            height: 100%;
            min-height: 320px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .featured-article .featured-img::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(180deg, transparent, rgba(22, 32, 27, 0.5));
            pointer-events: none;
        }

        .featured-article .featured-img .featured-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--color-accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.05em;
            z-index: 1;
        }

        .featured-article .featured-content {
            padding: 36px 32px 36px 0;
        }

        .featured-article .featured-date {
            font-size: 13px;
            color: var(--color-text-light);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .featured-article .featured-date i {
            color: var(--color-accent);
        }

        .featured-article h2 {
            font-size: clamp(20px, 2.5vw, 26px);
            font-weight: 700;
            color: var(--color-primary);
            font-family: var(--font-title);
            margin-bottom: 14px;
            line-height: 1.45;
        }

        .featured-article p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            border: none;
            text-decoration: none;
            cursor: pointer;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--color-primary-soft);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(22, 32, 27, 0.25);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 1px solid var(--color-border-strong);
        }

        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            transform: translateY(-1px);
        }

        .btn-accent {
            background: var(--color-accent);
            color: #fff;
        }

        .btn-accent:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(177, 140, 74, 0.3);
        }

        .btn:focus,
        .btn-outline:focus,
        .btn-primary:focus,
        .btn-accent:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        @media (max-width: 768px) {
            .featured-article {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .featured-article .featured-img {
                min-height: 220px;
            }
            .featured-article .featured-content {
                padding: 24px 20px 28px;
            }
        }

        /* ========== 文章列表+侧栏 ========== */
        .articles-main-section {
            padding: var(--section-padding);
            background: var(--color-bg);
        }

        .articles-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 32px;
            margin-top: 24px;
        }

        .article-list-item {
            display: flex;
            gap: 18px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 20px;
            margin-bottom: 16px;
            transition: all var(--transition);
            align-items: flex-start;
        }

        .article-list-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-strong);
            transform: translateY(-2px);
        }

        .article-list-thumb {
            width: 100px;
            height: 72px;
            border-radius: var(--radius-sm);
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
            margin-top: 4px;
        }

        .article-list-body {
            flex: 1;
        }

        .article-list-body .article-date {
            font-size: 12.5px;
            color: var(--color-text-light);
            margin-bottom: 4px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-list-body .article-date i {
            color: var(--color-accent);
            font-size: 11px;
        }

        .article-list-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
            line-height: 1.5;
            font-family: var(--font-title);
        }

        .article-list-body h3 a:hover {
            color: var(--color-accent);
        }

        .article-list-body p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0 0 10px;
        }

        .article-list-body .read-more {
            font-size: 13px;
            color: var(--color-accent);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .article-list-body .read-more:hover {
            color: var(--color-accent-hover);
            gap: 8px;
        }

        /* ========== 侧栏 ========== */
        .sidebar-widget {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 24px 20px;
            margin-bottom: 20px;
        }

        .sidebar-widget h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-accent);
            display: inline-block;
            font-family: var(--font-title);
            letter-spacing: 0.02em;
        }

        .subscribe-form input[type="email"],
        .subscribe-form input[type="text"] {
            width: 100%;
            padding: 11px 14px;
            border: 1px solid var(--color-border-strong);
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-family: var(--font-body);
            background: #fff;
            color: var(--color-text);
            transition: border-color var(--transition), box-shadow var(--transition);
            margin-bottom: 12px;
        }

        .subscribe-form input:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(177, 140, 74, 0.15);
        }

        .subscribe-form .btn {
            width: 100%;
            justify-content: center;
        }

        .form-note {
            font-size: 12px;
            color: var(--color-text-light);
            margin-top: 8px;
            text-align: center;
        }

        .rank-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .rank-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border);
            transition: background var(--transition);
        }

        .rank-list li:last-child {
            border-bottom: none;
        }

        .rank-list li:hover {
            background: rgba(0, 0, 0, 0.02);
            border-radius: var(--radius-sm);
            padding-left: 6px;
        }

        .rank-number {
            font-family: var(--font-mono);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-accent);
            min-width: 28px;
            text-align: center;
            flex-shrink: 0;
            line-height: 1.3;
        }

        .rank-number.top {
            color: var(--color-alert);
        }

        .rank-info {
            flex: 1;
        }

        .rank-info .rank-title {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 2px;
            display: block;
        }

        .rank-info .rank-title:hover {
            color: var(--color-accent);
        }

        .rank-info .rank-views {
            font-size: 12px;
            color: var(--color-text-light);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud a {
            font-size: 12.5px;
            color: var(--color-text-muted);
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            padding: 6px 13px;
            border-radius: var(--radius-pill);
            transition: all var(--transition);
            font-weight: 500;
        }

        .tag-cloud a:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        .tag-cloud a.tag-lg {
            font-size: 14px;
            padding: 7px 16px;
            color: var(--color-accent);
            border-color: var(--color-accent);
        }

        .tag-cloud a.tag-lg:hover {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }

        @media (max-width: 1024px) {
            .articles-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .sidebar-widget {
                margin-bottom: 16px;
            }
        }

        @media (max-width: 640px) {
            .article-list-item {
                flex-direction: column;
                gap: 12px;
                padding: 16px;
            }
            .article-list-thumb {
                width: 100%;
                height: 140px;
                margin-top: 0;
            }
        }

        /* ========== 方法论流程区 ========== */
        .methodology-section {
            padding: var(--section-padding);
            background: var(--color-primary);
            color: #fff;
        }

        .methodology-section .section-label {
            color: var(--color-accent);
            border-left-color: var(--color-accent);
        }

        .methodology-section .section-title {
            color: #fff;
        }

        .methodology-section .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        .method-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .method-step {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition);
            position: relative;
        }

        .method-step:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--color-accent);
            transform: translateY(-3px);
        }

        .method-step .step-num {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 12px;
            line-height: 1;
        }

        .method-step h4 {
            font-size: 15.5px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }

        .method-step p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.65;
            margin: 0;
        }

        @media (max-width: 1024px) {
            .method-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 640px) {
            .method-steps {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--section-padding);
            background: var(--color-bg);
        }

        .faq-list {
            max-width: 820px;
            margin: 32px auto 0;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 22px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            text-align: left;
            font-size: 15.5px;
            font-weight: 600;
            color: var(--color-primary);
            cursor: pointer;
            font-family: var(--font-body);
            transition: color var(--transition);
            gap: 12px;
        }

        .faq-question:hover {
            color: var(--color-accent);
        }

        .faq-question .faq-icon {
            font-size: 14px;
            color: var(--color-accent);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 300ms cubic-bezier(0.4, 0, 0.2, 1), padding 300ms ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        .faq-answer p {
            font-size: 14.5px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin: 0;
        }

        /* ========== CTA 订阅区 ========== */
        .cta-section {
            padding: 72px 0;
            background: linear-gradient(135deg, var(--color-primary-soft) 0%, var(--color-primary) 60%);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(177, 140, 74, 0.12);
            pointer-events: none;
        }

        .cta-section .container-custom {
            position: relative;
            z-index: 1;
        }

        .cta-box {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .cta-box h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            font-family: var(--font-title);
            margin-bottom: 12px;
            color: #fff;
        }

        .cta-box p {
            font-size: 15.5px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            margin-bottom: 20px;
            max-width: 480px;
        }

        .cta-form {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            backdrop-filter: blur(8px);
        }

        .cta-form label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 6px;
            color: rgba(255, 255, 255, 0.85);
            letter-spacing: 0.03em;
        }

        .cta-form input[type="email"],
        .cta-form input[type="text"] {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-family: var(--font-body);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            margin-bottom: 16px;
            transition: all var(--transition);
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .cta-form input:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(177, 140, 74, 0.25);
            background: rgba(255, 255, 255, 0.14);
        }

        .cta-form .btn {
            width: 100%;
            justify-content: center;
            font-size: 15px;
            padding: 13px 24px;
        }

        @media (max-width: 768px) {
            .cta-box {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-form {
                padding: 24px 18px;
            }
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.85);
            padding: 56px 0 28px;
            font-size: 14px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .site-footer .footer-brand {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .site-footer .footer-desc {
            font-size: 13.5px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.75;
            margin: 0;
        }

        .site-footer .footer-links h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.05em;
        }

        .site-footer .footer-links a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 13.5px;
            padding: 5px 0;
            transition: all var(--transition);
        }

        .site-footer .footer-links a:hover {
            color: var(--color-accent);
            padding-left: 4px;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 12.5px;
            color: rgba(255, 255, 255, 0.5);
        }

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition);
        }

        .site-footer .footer-bottom a:hover {
            color: var(--color-accent);
        }

        @media (max-width: 1024px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 640px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer {
                padding: 40px 0 20px;
            }
        }

        /* ========== 通用响应式辅助 ========== */
        .section-padding {
            padding: var(--section-padding);
        }

        @media (max-width: 768px) {
            .section-padding,
            .analyst-team-section,
            .featured-article-section,
            .articles-main-section,
            .methodology-section,
            .faq-section {
                padding: var(--section-padding-mobile);
            }
        }

/* roulang page: category5 */
:root {
        --color-primary: #16201b;
        --color-primary-soft: #1f2d26;
        --color-accent: #b18c4a;
        --color-accent-hover: #9a793c;
        --color-bg: #f4f0e8;
        --color-bg-white: #fdfcf8;
        --color-bg-card: #ffffff;
        --color-alert: #c8553d;
        --color-positive: #0f6b62;
        --color-positive-soft: #0f6b621a;
        --color-text: #1a1f1b;
        --color-text-muted: #5a625c;
        --color-text-light: #8a918b;
        --color-border: rgba(0, 0, 0, 0.08);
        --color-border-strong: rgba(0, 0, 0, 0.14);
        --radius-sm: 6px;
        --radius-md: 10px;
        --radius-lg: 16px;
        --radius-pill: 999px;
        --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
        --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06);
        --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.12);
        --font-title: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', serif;
        --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        --font-mono: 'Roboto Mono', 'Source Code Pro', 'Courier New', monospace;
        --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
        --section-padding: 80px 0;
        --section-padding-mobile: 48px 0;
        --container-max: 1200px;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: var(--font-body);
        font-size: 16px;
        line-height: 1.8;
        color: var(--color-text);
        background: var(--color-bg);
        margin: 0;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: color var(--transition);
    }
    a:hover {
        color: var(--color-accent);
    }
    button {
        cursor: pointer;
        font-family: inherit;
    }
    .container-custom {
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 24px;
    }
    .section-label {
        display: inline-block;
        font-size: 13px;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.12em;
        color: var(--color-accent);
        margin-bottom: 12px;
        border-left: 3px solid var(--color-accent);
        padding-left: 10px;
    }
    .section-title {
        font-size: clamp(24px, 3.2vw, 34px);
        font-weight: 700;
        margin-bottom: 8px;
        letter-spacing: -0.01em;
    }
    .section-subtitle {
        font-size: 16px;
        color: var(--color-text-muted);
        max-width: 680px;
        line-height: 1.8;
        margin-bottom: 32px;
    }
    .text-accent { color: var(--color-accent); }
    .text-alert { color: var(--color-alert); }
    .text-positive { color: var(--color-positive); }
    .text-muted { color: var(--color-text-muted); }

    /* 悬浮胶囊导航 */
    .header-nav-wrap {
        position: fixed;
        top: 18px;
        left: 0;
        right: 0;
        z-index: 999;
        padding: 0 24px;
        pointer-events: none;
    }
    .header-nav-wrap .nav-capsule {
        pointer-events: auto;
        max-width: 1100px;
        margin: 0 auto;
        background: rgba(244, 240, 232, 0.88);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border: 1px solid rgba(0, 0, 0, 0.08);
        border-radius: var(--radius-pill);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        padding: 8px 16px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        transition: box-shadow var(--transition), background var(--transition);
    }
    .header-nav-wrap .nav-capsule.scrolled {
        background: rgba(244, 240, 232, 0.96);
        box-shadow: 0 6px 28px rgba(0, 0, 0, 0.1);
    }
    .nav-logo {
        font-family: var(--font-title);
        font-size: 18px;
        font-weight: 700;
        color: var(--color-primary);
        letter-spacing: -0.01em;
        white-space: nowrap;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .nav-logo .logo-dot {
        width: 10px;
        height: 10px;
        background: var(--color-accent);
        border-radius: 50%;
        display: inline-block;
        flex-shrink: 0;
    }
    .nav-logo .logo-dot.second {
        background: var(--color-alert);
        margin-left: -4px;
        opacity: 0.8;
    }
    .nav-menu {
        display: flex;
        align-items: center;
        gap: 4px;
        flex-wrap: nowrap;
    }
    .nav-menu a {
        font-size: 13.5px;
        font-weight: 500;
        color: var(--color-text);
        padding: 8px 14px;
        border-radius: var(--radius-pill);
        transition: all var(--transition);
        white-space: nowrap;
    }
    .nav-menu a:hover {
        background: rgba(0, 0, 0, 0.05);
        color: var(--color-primary);
    }
    .nav-menu a.active {
        background: var(--color-primary);
        color: #ffffff;
    }
    .nav-toggle {
        display: none;
        background: transparent;
        border: none;
        font-size: 22px;
        color: var(--color-primary);
        padding: 6px 10px;
        border-radius: 50%;
        transition: background var(--transition);
    }
    .nav-toggle:hover {
        background: rgba(0,0,0,0.06);
    }

    /* 面包屑 */
    .breadcrumb-wrap {
        padding-top: 120px;
        padding-bottom: 0;
    }
    .breadcrumb {
        font-size: 14px;
        color: var(--color-text-muted);
        margin-bottom: 20px;
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        align-items: center;
    }
    .breadcrumb a {
        color: var(--color-text);
        font-weight: 500;
    }
    .breadcrumb a:hover {
        color: var(--color-accent);
    }
    .breadcrumb i {
        font-size: 10px;
        opacity: 0.5;
    }

    /* 报告头部 */
    .report-hero {
        background: var(--color-bg-white);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-lg);
        padding: 40px;
        box-shadow: var(--shadow-sm);
        margin-bottom: 32px;
        display: grid;
        grid-template-columns: 1.2fr 0.8fr;
        gap: 32px;
        align-items: center;
    }
    .report-hero h1 {
        font-family: var(--font-title);
        font-size: clamp(28px, 3.5vw, 40px);
        font-weight: 700;
        letter-spacing: -0.01em;
        margin-bottom: 16px;
        line-height: 1.25;
    }
    .report-hero .lead {
        font-size: 16px;
        color: var(--color-text-muted);
        line-height: 1.9;
        margin-bottom: 20px;
    }
    .report-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        align-items: center;
        font-size: 13px;
        color: var(--color-text-light);
    }
    .report-meta span {
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .report-cover {
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: var(--shadow-md);
        min-height: 220px;
        background: #eae4d8;
    }
    .report-cover img {
        width: 100%;
        height: 260px;
        object-fit: cover;
    }

    /* 数据快照条 */
    .data-snapshot {
        background: var(--color-primary);
        color: #fff;
        border-radius: var(--radius-lg);
        padding: 28px 32px;
        margin-bottom: 32px;
    }
    .data-snapshot .snap-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    .snap-item {
        border-left: 2px solid rgba(255,255,255,0.2);
        padding-left: 18px;
    }
    .snap-item .snap-label {
        font-size: 12px;
        text-transform: uppercase;
        letter-spacing: 0.06em;
        opacity: 0.7;
        margin-bottom: 6px;
    }
    .snap-item .snap-value {
        font-family: var(--font-mono);
        font-size: 24px;
        font-weight: 700;
        color: #fff;
    }
    .snap-item .snap-value em {
        font-style: normal;
        font-size: 14px;
        font-weight: 400;
        opacity: 0.75;
    }
    .snap-item.highlight {
        border-left-color: var(--color-accent);
    }
    .snap-item.highlight .snap-value {
        color: var(--color-accent);
    }

    /* 长文报告区 */
    .report-body {
        background: var(--color-bg-white);
        border-radius: var(--radius-lg);
        padding: 40px 48px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--color-border);
        margin-bottom: 32px;
    }
    .report-body h2 {
        font-family: var(--font-title);
        font-size: 26px;
        font-weight: 700;
        margin-top: 40px;
        margin-bottom: 16px;
        letter-spacing: -0.01em;
        line-height: 1.4;
    }
    .report-body h2:first-of-type {
        margin-top: 0;
    }
    .report-body h3 {
        font-family: var(--font-title);
        font-size: 20px;
        font-weight: 700;
        margin-top: 28px;
        margin-bottom: 12px;
    }
    .report-body p {
        font-size: 16px;
        line-height: 2;
        color: var(--color-text);
        margin-bottom: 18px;
    }
    .report-body blockquote {
        border-left: 3px solid var(--color-accent);
        background: #faf7f0;
        padding: 20px 24px;
        border-radius: 0 var(--radius-md) var(--radius-md) 0;
        margin: 24px 0;
        font-size: 15px;
        color: var(--color-text-muted);
        line-height: 1.9;
    }
    .report-body blockquote strong {
        color: var(--color-primary);
    }
    .stat-highlight {
        display: inline-block;
        font-family: var(--font-mono);
        font-size: 20px;
        font-weight: 700;
        color: var(--color-alert);
        background: var(--color-bg);
        padding: 2px 10px;
        border-radius: var(--radius-sm);
        margin: 0 4px;
    }
    .stat-highlight.positive {
        color: var(--color-positive);
    }
    .stat-highlight.neutral {
        color: var(--color-accent);
    }
    .chart-placeholder {
        background: #f0ece2;
        border: 1px dashed var(--color-border-strong);
        border-radius: var(--radius-md);
        min-height: 240px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--color-text-muted);
        font-size: 14px;
        letter-spacing: 0.05em;
        margin: 24px 0;
        padding: 20px;
    }
    .chart-placeholder img {
        max-height: 200px;
        width: 100%;
        object-fit: cover;
        border-radius: var(--radius-sm);
    }
    .comparison-table {
        width: 100%;
        border-collapse: collapse;
        margin: 24px 0;
        font-size: 14px;
    }
    .comparison-table th {
        background: var(--color-primary);
        color: #fff;
        padding: 12px 14px;
        text-align: left;
        font-weight: 500;
        border: 1px solid rgba(255,255,255,0.1);
    }
    .comparison-table td {
        padding: 12px 14px;
        border-bottom: 1px solid var(--color-border);
        font-family: var(--font-mono);
        color: var(--color-text);
    }
    .comparison-table tr:hover td {
        background: #faf7f0;
    }

    /* 统计专题表格 */
    .stats-panel {
        background: var(--color-bg-white);
        border-radius: var(--radius-lg);
        padding: 40px 48px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--color-border);
        margin-bottom: 32px;
    }
    .stats-panel h2 {
        font-family: var(--font-title);
        font-size: 26px;
        font-weight: 700;
        margin-bottom: 24px;
    }
    .stats-table {
        width: 100%;
        border-collapse: collapse;
        font-size: 14px;
        margin-bottom: 20px;
    }
    .stats-table th {
        background: var(--color-bg);
        color: var(--color-primary);
        padding: 12px 14px;
        text-align: left;
        font-weight: 600;
        border-bottom: 2px solid var(--color-border-strong);
    }
    .stats-table td {
        padding: 12px 14px;
        border-bottom: 1px solid var(--color-border);
        font-family: var(--font-mono);
    }
    .stats-table tr:last-child td {
        border-bottom: none;
    }
    .stats-table tr:hover td {
        background: #faf7f0;
    }
    .badge-number {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background: var(--color-bg);
        font-family: var(--font-mono);
        font-weight: 700;
        font-size: 14px;
        margin-right: 6px;
        border: 1px solid var(--color-border);
    }
    .badge-number.hot {
        background: var(--color-alert);
        color: #fff;
        border-color: var(--color-alert);
    }
    .badge-number.cold {
        background: var(--color-positive);
        color: #fff;
        border-color: var(--color-positive);
    }

    /* 案例卡片 */
    .case-card {
        background: var(--color-bg-white);
        border-radius: var(--radius-lg);
        padding: 32px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--color-border);
        margin-bottom: 32px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
        align-items: center;
    }
    .case-card img {
        border-radius: var(--radius-md);
        height: 220px;
        object-fit: cover;
        width: 100%;
    }
    .case-card h3 {
        font-family: var(--font-title);
        font-size: 22px;
        font-weight: 700;
        margin-bottom: 12px;
    }
    .case-card p {
        font-size: 15px;
        color: var(--color-text-muted);
        line-height: 1.9;
        margin-bottom: 10px;
    }
    .case-number {
        font-family: var(--font-mono);
        font-size: 40px;
        font-weight: 700;
        color: var(--color-accent);
        line-height: 1.1;
        margin-bottom: 8px;
    }

    /* FAQ */
    .faq-wrap {
        background: var(--color-bg-white);
        border-radius: var(--radius-lg);
        padding: 40px 48px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--color-border);
        margin-bottom: 32px;
    }
    .faq-wrap h2 {
        font-family: var(--font-title);
        font-size: 26px;
        font-weight: 700;
        margin-bottom: 24px;
    }
    .faq-item {
        border-bottom: 1px solid var(--color-border);
        padding: 18px 0;
        cursor: pointer;
        list-style: none;
    }
    .faq-item:last-child {
        border-bottom: none;
    }
    .faq-question {
        font-weight: 600;
        font-size: 16px;
        color: var(--color-primary);
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        transition: color var(--transition);
    }
    .faq-question:hover {
        color: var(--color-accent);
    }
    .faq-question .fa-chevron-down {
        transition: transform var(--transition);
        font-size: 14px;
    }
    .faq-item.open .faq-question .fa-chevron-down {
        transform: rotate(180deg);
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 300ms cubic-bezier(0.4, 0, 0.2, 1);
        color: var(--color-text-muted);
        font-size: 15px;
        line-height: 1.9;
    }
    .faq-item.open .faq-answer {
        max-height: 600px;
        padding-top: 12px;
    }

    /* CTA */
    .cta-section {
        background: var(--color-primary);
        border-radius: var(--radius-lg);
        padding: 48px 40px;
        color: #fff;
        margin-bottom: 48px;
        display: grid;
        grid-template-columns: 1.2fr 0.8fr;
        gap: 32px;
        align-items: center;
    }
    .cta-section h2 {
        font-family: var(--font-title);
        font-size: 28px;
        font-weight: 700;
        margin-bottom: 12px;
        color: #fff;
    }
    .cta-section p {
        color: rgba(255,255,255,0.7);
        margin-bottom: 20px;
        line-height: 1.8;
    }
    .cta-form {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
    }
    .cta-form input {
        flex: 1;
        min-width: 200px;
        padding: 12px 16px;
        border-radius: var(--radius-sm);
        border: 1px solid rgba(255,255,255,0.25);
        background: rgba(255,255,255,0.08);
        color: #fff;
        font-size: 14px;
        font-family: var(--font-body);
        outline: none;
        transition: border var(--transition), background var(--transition);
    }
    .cta-form input::placeholder {
        color: rgba(255,255,255,0.5);
    }
    .cta-form input:focus {
        border-color: var(--color-accent);
        background: rgba(255,255,255,0.12);
    }
    .btn-primary {
        background: var(--color-accent);
        color: #fff;
        border: none;
        padding: 12px 24px;
        border-radius: var(--radius-sm);
        font-size: 14px;
        font-weight: 600;
        transition: background var(--transition), transform var(--transition);
        white-space: nowrap;
    }
    .btn-primary:hover {
        background: var(--color-accent-hover);
        transform: translateY(-1px);
        color: #fff;
    }
    .btn-outline-light {
        background: transparent;
        color: #fff;
        border: 1px solid rgba(255,255,255,0.5);
        padding: 12px 24px;
        border-radius: var(--radius-sm);
        font-size: 14px;
        font-weight: 500;
        transition: border var(--transition), background var(--transition);
    }
    .btn-outline-light:hover {
        background: rgba(255,255,255,0.1);
        border-color: #fff;
        color: #fff;
    }

    /* 页脚 */
    .site-footer {
        background: var(--color-primary);
        color: rgba(255,255,255,0.8);
        padding: 60px 0 30px;
        margin-top: 0;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
        gap: 32px;
        margin-bottom: 36px;
    }
    .footer-brand {
        font-family: var(--font-title);
        font-size: 20px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 12px;
    }
    .footer-desc {
        font-size: 14px;
        line-height: 1.9;
        color: rgba(255,255,255,0.65);
        margin-bottom: 16px;
    }
    .footer-links h4 {
        font-size: 14px;
        font-weight: 600;
        color: #fff;
        text-transform: uppercase;
        letter-spacing: 0.06em;
        margin-bottom: 16px;
    }
    .footer-links a {
        display: block;
        font-size: 14px;
        color: rgba(255,255,255,0.65);
        margin-bottom: 10px;
        transition: color var(--transition);
    }
    .footer-links a:hover {
        color: var(--color-accent);
    }
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.12);
        padding-top: 24px;
        font-size: 13px;
        color: rgba(255,255,255,0.55);
        text-align: center;
    }
    .footer-bottom a {
        color: rgba(255,255,255,0.7);
        margin: 0 4px;
        transition: color var(--transition);
    }
    .footer-bottom a:hover {
        color: var(--color-accent);
    }

    /* 响应式 */
    @media (max-width: 1024px) {
        .report-hero {
            grid-template-columns: 1fr;
            padding: 28px;
        }
        .report-hero h1 {
            font-size: 28px;
        }
        .data-snapshot .snap-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .case-card {
            grid-template-columns: 1fr;
        }
        .cta-section {
            grid-template-columns: 1fr;
        }
        .nav-menu a {
            padding: 8px 10px;
            font-size: 12.5px;
        }
    }
    @media (max-width: 768px) {
        .header-nav-wrap {
            top: 10px;
            padding: 0 12px;
        }
        .header-nav-wrap .nav-capsule {
            padding: 6px 12px;
            flex-wrap: wrap;
        }
        .nav-toggle {
            display: block;
        }
        .nav-menu {
            display: none;
            width: 100%;
            flex-direction: column;
            align-items: stretch;
            gap: 2px;
            padding-top: 8px;
        }
        .nav-menu.open {
            display: flex;
        }
        .nav-menu a {
            padding: 12px 16px;
            font-size: 14px;
            border-radius: var(--radius-sm);
        }
        .report-hero {
            padding: 22px;
        }
        .report-body,
        .stats-panel,
        .faq-wrap {
            padding: 24px 20px;
        }
        .cta-section {
            padding: 32px 24px;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .comparison-table,
        .stats-table {
            display: block;
            overflow-x: auto;
            white-space: nowrap;
        }
    }
    @media (max-width: 520px) {
        .container-custom {
            padding: 0 16px;
        }
        .data-snapshot .snap-grid {
            grid-template-columns: 1fr;
        }
        .snap-item {
            border-left: none;
            border-top: 1px solid rgba(255,255,255,0.15);
            padding-left: 0;
            padding-top: 12px;
        }
        .footer-grid {
            grid-template-columns: 1fr;
        }
        .report-hero h1 {
            font-size: 26px;
        }
        .cta-form {
            flex-direction: column;
        }
        .cta-form input,
        .btn-primary {
            width: 100%;
        }
    }

/* roulang page: category7 */
:root {
            --color-primary: #16201b;
            --color-primary-soft: #1f2d26;
            --color-accent: #b18c4a;
            --color-accent-hover: #9a793c;
            --color-bg: #f4f0e8;
            --color-bg-white: #fdfcf8;
            --color-bg-card: #ffffff;
            --color-alert: #c8553d;
            --color-positive: #0f6b62;
            --color-positive-soft: #0f6b621a;
            --color-text: #1a1f1b;
            --color-text-muted: #5a625c;
            --color-text-light: #8a918b;
            --color-border: rgba(0, 0, 0, 0.08);
            --color-border-strong: rgba(0, 0, 0, 0.14);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.12);
            --font-title: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', serif;
            --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-mono: 'Roboto Mono', 'Source Code Pro', 'Courier New', monospace;
            --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
            --section-padding: 80px 0;
            --section-padding-mobile: 48px 0;
            --container-max: 1200px;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background: var(--color-bg);
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--color-accent);
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--color-accent);
            margin-bottom: 12px;
            border-left: 3px solid var(--color-accent);
            padding-left: 10px;
        }
        .section-title {
            font-size: clamp(24px, 3.2vw, 34px);
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
            font-family: var(--font-title);
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .text-accent {
            color: var(--color-accent);
        }
        .text-alert {
            color: var(--color-alert);
        }
        .text-positive {
            color: var(--color-positive);
        }
        .text-muted {
            color: var(--color-text-muted);
        }

        /* ========== 悬浮胶囊导航 ========== */
        .header-nav-wrap {
            position: fixed;
            top: 18px;
            left: 0;
            right: 0;
            z-index: 999;
            padding: 0 24px;
            pointer-events: none;
        }
        .header-nav-wrap .nav-capsule {
            pointer-events: auto;
            max-width: 1100px;
            margin: 0 auto;
            background: rgba(244, 240, 232, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(0, 0, 0, 0.08);
            border-radius: var(--radius-pill);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            padding: 8px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: box-shadow var(--transition), background var(--transition);
        }
        .header-nav-wrap .nav-capsule.scrolled {
            background: rgba(244, 240, 232, 0.96);
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.1);
        }
        .nav-logo {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-logo .logo-dot {
            width: 10px;
            height: 10px;
            background: var(--color-accent);
            border-radius: 50%;
            display: inline-block;
            flex-shrink: 0;
        }
        .nav-logo .logo-dot.second {
            background: var(--color-alert);
            margin-left: -4px;
            opacity: 0.8;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .nav-menu a {
            font-size: 13.5px;
            font-weight: 500;
            color: var(--color-text);
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-menu a:hover {
            background: rgba(0, 0, 0, 0.05);
            color: var(--color-primary);
        }
        .nav-menu a.active {
            background: var(--color-primary);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            font-size: 22px;
            color: var(--color-primary);
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            pointer-events: auto;
        }
        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-wrap {
            padding-top: 140px;
            padding-bottom: 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 14px;
            color: var(--color-text-muted);
            margin-bottom: 24px;
        }
        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .sep {
            color: var(--color-text-light);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ========== Hero专区 ========== */
        .help-hero {
            padding: 32px 0 48px;
            background: transparent;
        }
        .help-hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }
        .help-hero h1 {
            font-family: var(--font-title);
            font-size: clamp(30px, 4vw, 44px);
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .help-hero .hero-desc {
            font-size: 17px;
            color: var(--color-text-muted);
            line-height: 1.9;
            max-width: 560px;
            margin-bottom: 24px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-pill);
            border: none;
            transition: all var(--transition);
            letter-spacing: 0.02em;
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--color-primary);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-pill);
            border: 1.5px solid var(--color-border-strong);
            transition: all var(--transition);
        }
        .btn-secondary:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(177, 140, 74, 0.06);
        }
        .btn-primary:focus,
        .btn-secondary:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }
        .hero-image-panel {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 32px;
            color: #fff;
            position: relative;
            overflow: hidden;
            min-height: 280px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            box-shadow: var(--shadow-md);
        }
        .hero-image-panel::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(177, 140, 74, 0.3) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-image-panel .panel-label {
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--color-accent);
            margin-bottom: 12px;
        }
        .hero-image-panel .panel-title {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .hero-image-panel .panel-text {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .panel-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .panel-tag {
            background: rgba(255, 255, 255, 0.12);
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        /* ========== 快速导航卡片 ========== */
        .quick-nav-section {
            padding: 48px 0;
        }
        .quick-nav-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .quick-nav-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            transition: all var(--transition);
            cursor: pointer;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .quick-nav-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
        }
        .quick-nav-card .icon-wrap {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-positive-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-positive);
            font-size: 18px;
        }
        .quick-nav-card .qn-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
        }
        .quick-nav-card .qn-desc {
            font-size: 13.5px;
            color: var(--color-text-muted);
            line-height: 1.7;
            flex: 1;
        }
        .quick-nav-card .qn-link {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--color-accent);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ========== FAQ区域 ========== */
        .faq-section {
            padding: 64px 0;
            background: var(--color-bg-white);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .faq-layout {
            display: grid;
            grid-template-columns: 0.8fr 1.6fr;
            gap: 48px;
            align-items: start;
        }
        .faq-sidebar {
            position: sticky;
            top: 140px;
        }
        .faq-sidebar .sidebar-card {
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 24px;
            margin-bottom: 16px;
        }
        .faq-sidebar .sidebar-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-primary);
        }
        .faq-sidebar .sidebar-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0;
        }
        .faq-sidebar .sidebar-card .mini-link {
            display: inline-block;
            margin-top: 12px;
            font-size: 13.5px;
            font-weight: 600;
            color: var(--color-accent);
        }
        .accordion {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--color-bg-card);
        }
        .accordion-item {
            border-bottom: 1px solid var(--color-border);
        }
        .accordion-item:last-child {
            border-bottom: none;
        }
        .accordion-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            padding: 18px 24px;
            background: var(--color-bg-card);
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: all var(--transition);
            border: none;
            width: 100%;
            text-align: left;
            position: relative;
        }
        .accordion-title:hover {
            background: var(--color-bg);
        }
        .accordion-title .indicator {
            font-size: 18px;
            color: var(--color-accent);
            transition: transform var(--transition);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .accordion-item.is-active .accordion-title .indicator {
            transform: rotate(180deg);
        }
        .accordion-content {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.9;
        }
        .accordion-item.is-active .accordion-title {
            color: var(--color-accent);
            border-left: 3px solid var(--color-accent);
        }

        /* ========== 术语表 ========== */
        .glossary-section {
            padding: 64px 0;
        }
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .glossary-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            transition: all var(--transition);
        }
        .glossary-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
            border-color: var(--color-border-strong);
        }
        .glossary-card .term {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .glossary-card .term .term-badge {
            font-size: 11px;
            font-weight: 600;
            background: var(--color-positive-soft);
            color: var(--color-positive);
            padding: 2px 8px;
            border-radius: var(--radius-pill);
        }
        .glossary-card .term-def {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.75;
            margin: 0;
        }

        /* ========== 规则说明 ========== */
        .rules-section {
            padding: 56px 0;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-lg);
            margin: 0 24px 64px;
        }
        .rules-section .container-custom {
            max-width: 1100px;
        }
        .rules-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }
        .rule-item {
            padding: 8px 0;
        }
        .rule-item .rule-num {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            display: block;
            margin-bottom: 8px;
            letter-spacing: 0.05em;
        }
        .rule-item h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }
        .rule-item p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            margin: 0;
        }

        /* ========== 数据更新说明 ========== */
        .update-info-section {
            padding: 48px 0;
        }
        .update-info-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .update-info-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            min-height: 240px;
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        .update-info-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.7;
        }
        .update-info-image .overlay-label {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: rgba(22, 32, 27, 0.85);
            color: #fff;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 600;
        }
        .update-info-content h3 {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--color-primary);
        }
        .update-info-content p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.9;
            margin-bottom: 14px;
        }
        .update-badge-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 16px;
        }
        .update-badge {
            background: var(--color-bg-white);
            border: 1px solid var(--color-border);
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            transition: all var(--transition);
        }
        .update-badge:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        /* ========== 联系表单 ========== */
        .contact-section {
            padding: 64px 0;
            background: var(--color-bg-white);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .contact-layout {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 48px;
            align-items: start;
        }
        .contact-info {
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px;
        }
        .contact-info h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--color-primary);
        }
        .contact-info p {
            font-size: 14.5px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .contact-info .info-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--color-text);
            margin-bottom: 10px;
        }
        .contact-info .info-item i {
            color: var(--color-accent);
            width: 20px;
            text-align: center;
        }
        .contact-form {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px;
        }
        .contact-form .form-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--color-primary);
        }
        .contact-form label {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
            display: block;
        }
        .contact-form input,
        .contact-form select,
        .contact-form textarea {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--color-border-strong);
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-family: var(--font-body);
            color: var(--color-text);
            background: #fff;
            transition: all var(--transition);
            margin-bottom: 16px;
        }
        .contact-form input:focus,
        .contact-form select:focus,
        .contact-form textarea:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(177, 140, 74, 0.15);
        }
        .contact-form textarea {
            min-height: 120px;
            resize: vertical;
        }
        .form-hint {
            font-size: 13px;
            color: var(--color-text-light);
            margin-top: -10px;
            margin-bottom: 16px;
        }
        .form-error {
            font-size: 13px;
            color: var(--color-alert);
            margin-top: -10px;
            margin-bottom: 12px;
        }

        /* ========== 相关页面推荐 ========== */
        .related-section {
            padding: 56px 0;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            transition: all var(--transition);
        }
        .related-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
        }
        .related-card .rel-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 16px;
            flex-shrink: 0;
        }
        .related-card .rel-info .rel-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 2px;
        }
        .related-card .rel-info .rel-desc {
            font-size: 13px;
            color: var(--color-text-muted);
            margin: 0;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-primary);
            color: #fff;
            padding: 64px 0 32px;
            margin-top: 40px;
        }
        .site-footer .container-custom {
            max-width: 1100px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 0.8fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
        }
        .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.8;
            margin-bottom: 16px;
            max-width: 320px;
        }
        .footer-links h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-links a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 8px;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            text-align: center;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* ========== Foundation覆盖 ========== */
        .accordion-title:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: -2px;
        }
        .accordion-content {
            display: none;
        }
        .accordion-item.is-active .accordion-content {
            display: block;
        }

        /* ========== 响应式 ========== */
        @media screen and (max-width: 1024px) {
            .help-hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .faq-layout {
                grid-template-columns: 1fr;
            }
            .faq-sidebar {
                position: static;
            }
            .glossary-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .rules-grid {
                grid-template-columns: 1fr 1fr;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media screen and (max-width: 768px) {
            .header-nav-wrap {
                top: 10px;
                padding: 0 12px;
            }
            .header-nav-wrap .nav-capsule {
                padding: 6px 12px;
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 12px 0 8px;
                gap: 2px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                width: 100%;
                padding: 10px 14px;
                font-size: 14px;
            }
            .quick-nav-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .glossary-grid {
                grid-template-columns: 1fr;
            }
            .rules-grid {
                grid-template-columns: 1fr;
            }
            .update-info-layout {
                grid-template-columns: 1fr;
            }
            .contact-layout {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .breadcrumb-wrap {
                padding-top: 120px;
            }
            .help-hero h1 {
                font-size: clamp(26px, 5vw, 32px);
            }
            .help-hero-grid {
                gap: 24px;
            }
            .hero-image-panel {
                min-height: 220px;
                padding: 24px;
            }
            .section-padding {
                padding: var(--section-padding-mobile);
            }
            .rules-section {
                margin: 0 12px 40px;
                border-radius: var(--radius-md);
            }
            .contact-form {
                padding: 20px;
            }
            .contact-info {
                padding: 20px;
            }
        }
        @media screen and (max-width: 520px) {
            .quick-nav-grid {
                grid-template-columns: 1fr;
            }
            .hero-actions {
                flex-direction: column;
            }
            .btn-primary,
            .btn-secondary {
                justify-content: center;
            }
            .accordion-title {
                font-size: 14.5px;
                padding: 14px 18px;
            }
            .accordion-content {
                padding: 0 18px 16px;
                font-size: 14px;
            }
            .glossary-card {
                padding: 16px 18px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                font-size: 12px;
            }
            .container-custom {
                padding: 0 16px;
            }
            .rules-section {
                padding: 36px 0;
            }
            .rules-section .container-custom {
                padding: 0 20px;
            }
        }