/* roulang page: index */
:root {
            --primary: #1B3A5C;
            --primary-light: #264E7A;
            --primary-dark: #0F2640;
            --accent: #C8963E;
            --accent-light: #D9A94D;
            --accent-dark: #A67A2E;
            --bg-white: #FFFFFF;
            --bg-light: #F4F6F8;
            --bg-light-alt: #EFF1F5;
            --bg-dark: #1B3A5C;
            --text-primary: #1A1A1A;
            --text-secondary: #4A5568;
            --text-muted: #718096;
            --text-light: #A0AEC0;
            --text-on-dark: #E8ECF1;
            --text-on-primary: #FFFFFF;
            --border: #E2E8F0;
            --border-light: #EDF2F7;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-card: 0 2px 10px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.40s ease;
            --font-stack: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --nav-height: 72px;
            --nav-height-mobile: 60px;
            --max-width: 1280px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-white);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-tap-highlight-color: transparent;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 3px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }

        input {
            font-family: inherit;
        }

        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        /* ========== CONTAINER ========== */
        .site-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .site-container {
                padding: 0 16px;
            }
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            transition: box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        @media (max-width: 768px) {
            .site-header {
                height: var(--nav-height-mobile);
            }
        }

        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        @media (max-width: 768px) {
            .header-inner {
                padding: 0 14px;
                gap: 10px;
            }
        }

        .header-logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .header-logo {
                font-size: 1.15rem;
                gap: 7px;
            }
            .header-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
        }

        /* 搜索主导导航 - 桌面端搜索框作为视觉中心 */
        .nav-search-wrapper {
            flex: 1;
            max-width: 420px;
            min-width: 200px;
            position: relative;
        }
        @media (max-width: 1024px) {
            .nav-search-wrapper {
                max-width: 280px;
            }
        }
        @media (max-width: 768px) {
            .nav-search-wrapper {
                display: none;
            }
        }
        .nav-search-wrapper.mobile-visible {
            display: block;
            max-width: 100%;
            padding: 12px 16px;
            background: var(--bg-light);
            border-radius: 0;
            order: -1;
        }

        .nav-search-form {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border: 2px solid transparent;
            border-radius: 50px;
            padding: 0 6px 0 18px;
            transition: all var(--transition-normal);
        }
        .nav-search-form:focus-within {
            border-color: var(--accent);
            background: var(--bg-white);
            box-shadow: 0 0 0 6px rgba(200, 150, 62, 0.08);
        }
        .nav-search-form input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 11px 0;
            font-size: 0.95rem;
            color: var(--text-primary);
            outline: none;
            min-width: 0;
        }
        .nav-search-form input::placeholder {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .nav-search-form .search-btn {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }
        .nav-search-form .search-btn:hover {
            background: var(--accent-dark);
            transform: scale(1.04);
        }

        /* 桌面导航链接 */
        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
            flex-wrap: nowrap;
        }
        @media (max-width: 1024px) {
            .nav-links-desktop {
                gap: 2px;
            }
        }
        @media (max-width: 768px) {
            .nav-links-desktop {
                display: none;
            }
        }
        .nav-links-desktop a {
            display: inline-block;
            padding: 8px 13px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 50px;
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }
        @media (max-width: 1024px) {
            .nav-links-desktop a {
                padding: 7px 9px;
                font-size: 0.82rem;
            }
        }
        .nav-links-desktop a:hover {
            color: var(--primary);
            background: var(--bg-light);
        }
        .nav-links-desktop a.active-nav {
            color: var(--accent-dark);
            font-weight: 700;
            background: rgba(200, 150, 62, 0.08);
        }

        /* 移动端菜单按钮 */
        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            flex-shrink: 0;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--text-primary);
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-menu-toggle:hover {
            background: var(--bg-light);
        }
        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: flex;
            }
        }

        /* 移动端面板 */
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--nav-height-mobile);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-white);
            z-index: 999;
            flex-direction: column;
            padding: 16px;
            gap: 4px;
            overflow-y: auto;
            box-shadow: var(--shadow-xl);
            transform: translateX(100%);
            transition: transform var(--transition-normal);
        }
        .mobile-nav-panel.open {
            display: flex;
            transform: translateX(0);
        }
        @media (min-width: 769px) {
            .mobile-nav-panel {
                display: none !important;
            }
        }
        .mobile-nav-panel .mobile-search-wrap {
            margin-bottom: 12px;
        }
        .mobile-nav-panel .mobile-search-wrap .nav-search-form {
            border-radius: var(--radius-md);
            background: var(--bg-light-alt);
        }
        .mobile-nav-panel a {
            display: block;
            padding: 12px 16px;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-primary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }
        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active-nav {
            background: var(--bg-light);
            color: var(--accent-dark);
            font-weight: 700;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: var(--primary-dark);
            background-image: linear-gradient(135deg, rgba(15, 38, 64, 0.88) 0%, rgba(27, 58, 92, 0.78) 40%, rgba(15, 38, 64, 0.90) 100%),
                url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 70px 0 80px;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 44px 0 52px;
            }
        }
        .hero-inner {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .hero-inner {
                padding: 0 16px;
            }
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 50px;
            padding: 7px 20px;
            font-size: 0.88rem;
            font-weight: 500;
            letter-spacing: 1px;
            margin-bottom: 22px;
            color: var(--accent-light);
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: 1px;
            line-height: 1.25;
            margin-bottom: 16px;
            color: #fff;
        }
        .hero-title .accent-word {
            color: var(--accent-light);
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 1.75rem;
                letter-spacing: 0.5px;
            }
        }
        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            line-height: 1.6;
            font-weight: 400;
        }
        @media (max-width: 768px) {
            .hero-subtitle {
                font-size: 0.95rem;
                margin-bottom: 20px;
            }
        }
        .hero-desc {
            font-size: 0.98rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            max-width: 680px;
            margin: 0 auto 32px;
            text-align: justify;
            text-align-last: center;
        }
        @media (max-width: 768px) {
            .hero-desc {
                font-size: 0.88rem;
                text-align-last: left;
                text-align: left;
            }
        }
        .hero-cta-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 50px;
            transition: all var(--transition-normal);
            cursor: pointer;
            border: none;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.35);
        }
        .btn-primary:hover {
            background: var(--accent-light);
            box-shadow: 0 6px 22px rgba(200, 150, 62, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
            color: #fff;
        }
        @media (max-width: 768px) {
            .btn {
                padding: 11px 22px;
                font-size: 0.9rem;
            }
        }

        /* ========== SECTION COMMONS ========== */
        .section {
            padding: 64px 0;
        }
        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
        }
        .section-alt {
            background: var(--bg-light);
        }
        .section-dark {
            background: var(--bg-dark);
            color: #fff;
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        @media (max-width: 768px) {
            .section-header {
                margin-bottom: 28px;
            }
        }
        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--accent-dark);
            margin-bottom: 8px;
        }
        .section-dark .section-label {
            color: var(--accent-light);
        }
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }
        .section-dark .section-title {
            color: #fff;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.35rem;
            }
        }
        .section-desc {
            font-size: 0.95rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section-dark .section-desc {
            color: var(--text-on-dark);
        }

        /* ========== STATS CARDS ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
        }
        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent);
            border-radius: 0 0 6px 6px;
            opacity: 0;
            transition: opacity var(--transition-normal);
        }
        .stat-card:hover::before {
            opacity: 1;
        }
        .stat-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 10px;
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            line-height: 1.1;
            margin-bottom: 6px;
        }
        @media (max-width: 768px) {
            .stat-number {
                font-size: 1.7rem;
            }
        }
        .stat-label {
            font-size: 0.88rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ========== ADVANTAGE CARDS ========== */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }
        @media (max-width: 1024px) {
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .advantage-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }
        .adv-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
            text-align: center;
        }
        .adv-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--accent-light);
        }
        .adv-card-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-dark);
            margin: 0 auto 16px;
            transition: all var(--transition-normal);
        }
        .adv-card:hover .adv-card-icon {
            background: var(--accent);
            color: #fff;
        }
        .adv-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .adv-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* ========== CATEGORY CARDS ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 18px;
        }
        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 640px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
        }
        @media (max-width: 400px) {
            .category-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
        }
        .cat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
            cursor: pointer;
            text-align: center;
        }
        .cat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
        }
        .cat-card-img {
            height: 150px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .cat-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, 0.45) 100%);
        }
        @media (max-width: 768px) {
            .cat-card-img {
                height: 110px;
            }
        }
        .cat-card-body {
            padding: 18px 14px;
        }
        .cat-card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text-primary);
        }
        .cat-card-body p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ========== BRAND STORY ========== */
        .brand-story-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        @media (max-width: 768px) {
            .brand-story-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }
        .brand-story-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4/3;
            background-size: cover;
            background-position: center;
        }
        .brand-story-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .brand-story-text p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 14px;
            text-align: justify;
        }
        @media (max-width: 768px) {
            .brand-story-text h3 {
                font-size: 1.25rem;
            }
            .brand-story-text p {
                font-size: 0.9rem;
            }
        }

        /* ========== HOT MATCHES / CONTENT LIST ========== */
        .match-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        @media (max-width: 1024px) {
            .match-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .match-list {
                grid-template-columns: 1fr;
            }
        }
        .match-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .match-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--accent-light);
        }
        .match-card-badge {
            flex-shrink: 0;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.5px;
        }
        .match-card-info h5 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .match-card-info span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        @media (max-width: 1024px) {
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            position: relative;
        }
        .testimonial-card::before {
            content: '\201C';
            font-size: 3.5rem;
            color: var(--accent);
            opacity: 0.3;
            position: absolute;
            top: 10px;
            left: 18px;
            line-height: 1;
            font-family: serif;
        }
        .testimonial-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            padding-top: 10px;
        }
        .testimonial-author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text-primary);
        }
        .testimonial-role {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--accent-light);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            border: none;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--accent-dark);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-normal);
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
            text-align: justify;
        }

        /* ========== NEWS ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }
        .news-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .news-card-img {
            height: 170px;
            background-size: cover;
            background-position: center;
        }
        @media (max-width: 768px) {
            .news-card-img {
                height: 140px;
            }
        }
        .news-card-body {
            padding: 18px 16px;
        }
        .news-card-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 6px;
        }
        .news-card-body h5 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .news-card-body p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .news-read-more:hover {
            gap: 8px;
            color: var(--accent);
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--primary);
            background-image: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            padding: 60px 0;
            text-align: center;
            color: #fff;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 40px 0;
            }
        }
        .cta-section h3 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        @media (max-width: 768px) {
            .cta-section h3 {
                font-size: 1.3rem;
            }
        }
        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-large {
            padding: 15px 38px;
            font-size: 1.1rem;
            border-radius: 50px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0F1C2E;
            color: var(--text-on-dark);
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .site-footer {
                padding: 32px 0 20px;
            }
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.84rem;
            color: var(--text-light);
            line-height: 1.7;
        }
        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: var(--text-light);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-light);
        }

        /* ========== FOUNDATION OVERRIDES ========== */
        .top-bar,
        .title-bar {
            background: transparent;
            padding: 0;
        }
        .top-bar ul {
            background: transparent;
        }
        .menu>li>a {
            padding: 0;
        }
        .grid-x {
            margin: 0;
        }
        .grid-container {
            max-width: var(--max-width);
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .grid-container {
                padding: 0 14px;
            }
        }

        /* ========== UTILITY ========== */
        .text-accent {
            color: var(--accent);
        }
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }

        /* ========== ANIMATIONS ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(28px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-in {
            animation: fadeInUp 0.6s ease forwards;
        }

/* roulang page: category2 */
/* ========================================
            设计变量 Design Tokens
        ======================================== */
        :root {
            --primary: #1B3A5C;
            --primary-dark: #0F2840;
            --primary-light: #2A5078;
            --accent: #C8963E;
            --accent-hover: #B0852F;
            --accent-light: #E8D5A3;
            --accent-glow: #F5E6C8;
            --bg: #FAFAF8;
            --bg-warm: #F5F2ED;
            --bg-card: #FFFFFF;
            --bg-dark-section: #1B3A5C;
            --text: #2D2D2D;
            --text-strong: #1A1A1A;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --text-on-dark: #E8EDF2;
            --text-on-dark-muted: #B0BDCC;
            --border: #E5E7EB;
            --border-light: #F0F1F3;
            --border-accent: #D4B87A;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-accent: 0 4px 20px rgba(200, 150, 62, 0.18);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-main: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --nav-height: 68px;
        }

        /* ========================================
            基础 Reset & Base
        ======================================== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-main);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
            background: none;
            transition: all var(--transition);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: transparent;
        }

        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-strong);
            line-height: 1.3;
            font-weight: 700;
            letter-spacing: -0.01em;
        }

        /* ========================================
            容器
        ======================================== */
        .site-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .site-container {
                padding: 0 16px;
            }
        }

        /* ========================================
            Header / 导航
        ======================================== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            width: 100%;
            padding: 0 24px;
            display: flex;
            align-items: center;
            gap: 20px;
            height: 100%;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
            text-decoration: none;
            transition: color var(--transition);
        }

        .header-logo:hover {
            color: var(--accent);
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(27, 58, 92, 0.25);
        }

        /* 搜索框 - 导航视觉中心 */
        .nav-search-wrapper {
            flex: 1;
            max-width: 420px;
            min-width: 200px;
        }

        .nav-search-form {
            display: flex;
            align-items: center;
            gap: 10px;
            background: var(--bg-warm);
            border: 2px solid var(--border);
            border-radius: 50px;
            padding: 9px 16px;
            transition: all var(--transition);
        }

        .nav-search-form:focus-within {
            border-color: var(--accent);
            background: #fff;
            box-shadow: 0 0 0 5px rgba(200, 150, 62, 0.08);
        }

        .nav-search-form input {
            flex: 1;
            font-size: 0.9rem;
            color: var(--text);
            min-width: 0;
            background: transparent;
        }

        .nav-search-form input::placeholder {
            color: var(--text-muted);
        }

        .search-btn {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            flex-shrink: 0;
            transition: all var(--transition);
        }

        .search-btn:hover {
            background: var(--accent-hover);
            transform: scale(1.05);
        }

        /* 桌面导航链接 */
        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .nav-links-desktop a {
            padding: 7px 14px;
            border-radius: 50px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-muted);
            white-space: nowrap;
            transition: all var(--transition);
            letter-spacing: 0.02em;
            text-decoration: none;
        }

        .nav-links-desktop a:hover {
            color: var(--primary);
            background: var(--bg-warm);
        }

        .nav-links-desktop a.active-nav {
            color: #fff;
            background: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .nav-links-desktop a.active-nav:hover {
            background: var(--primary-dark);
            color: #fff;
        }

        /* 移动端菜单按钮 */
        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary);
            background: var(--bg-warm);
            flex-shrink: 0;
            transition: all var(--transition);
        }

        .mobile-menu-toggle:hover {
            background: var(--primary);
            color: #fff;
        }

        /* 移动端面板 */
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 999;
            padding: 20px 24px;
            flex-direction: column;
            gap: 6px;
            overflow-y: auto;
            box-shadow: var(--shadow-lg);
        }

        .mobile-nav-panel.is-open {
            display: flex;
        }

        .mobile-search-wrap {
            margin-bottom: 12px;
        }

        .mobile-nav-panel a {
            display: block;
            padding: 13px 18px;
            border-radius: var(--radius);
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            text-decoration: none;
            transition: all var(--transition);
        }

        .mobile-nav-panel a:hover {
            background: var(--bg-warm);
            color: var(--primary);
        }

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

        @media (max-width: 1024px) {
            .nav-links-desktop {
                gap: 2px;
            }
            .nav-links-desktop a {
                padding: 6px 10px;
                font-size: 0.8rem;
            }
            .nav-search-wrapper {
                max-width: 240px;
            }
        }

        @media (max-width: 860px) {
            .nav-links-desktop {
                display: none;
            }
            .nav-search-wrapper {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .header-inner {
                justify-content: space-between;
            }
        }

        /* ========================================
            页面 Banner / Hero
        ======================================== */
        .page-hero {
            position: relative;
            background: var(--bg-dark-section);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            padding: 80px 0 72px;
            color: #fff;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg,
                    rgba(15, 40, 64, 0.88) 0%,
                    rgba(27, 58, 92, 0.78) 40%,
                    rgba(27, 58, 92, 0.65) 100%);
            z-index: 1;
        }

        .page-hero .site-container {
            position: relative;
            z-index: 2;
        }

        .page-hero-content {
            max-width: 700px;
        }

        .page-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(200, 150, 62, 0.2);
            border: 1px solid rgba(200, 150, 62, 0.4);
            color: var(--accent-light);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }

        .page-hero-badge i {
            color: var(--accent);
            font-size: 0.75rem;
        }

        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .page-hero h1 span {
            color: var(--accent);
            position: relative;
        }

        .page-hero-desc {
            font-size: 1.1rem;
            color: var(--text-on-dark-muted);
            line-height: 1.75;
            margin-bottom: 28px;
            max-width: 580px;
        }

        .page-hero-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .page-hero-stat {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .page-hero-stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
        }

        .page-hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-on-dark-muted);
            line-height: 1.3;
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 50px 0 44px;
            }
            .page-hero h1 {
                font-size: 1.9rem;
            }
            .page-hero-desc {
                font-size: 0.95rem;
            }
            .page-hero-stats-row {
                gap: 20px;
            }
            .page-hero-stat-num {
                font-size: 1.5rem;
            }
        }

        /* ========================================
            板块通用间距
        ======================================== */
        .section-pad {
            padding: 64px 0;
        }

        @media (max-width: 768px) {
            .section-pad {
                padding: 40px 0;
            }
        }

        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .section-header .section-sub {
            font-size: 0.95rem;
            color: var(--text-muted);
            max-width: 520px;
            margin: 0 auto;
        }

        .section-accent-line {
            display: block;
            width: 50px;
            height: 4px;
            background: var(--accent);
            border-radius: 2px;
            margin: 12px auto 0;
        }

        /* ========================================
            预测服务卡片
        ======================================== */
        .predict-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .predict-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition-slow);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }

        .predict-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-accent);
        }

        .predict-card-img-wrap {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

        .predict-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-slow);
        }

        .predict-card:hover .predict-card-img-wrap img {
            transform: scale(1.06);
        }

        .predict-card-img-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: #fff;
            padding: 5px 12px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            z-index: 2;
        }

        .predict-card-body {
            padding: 22px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .predict-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .predict-card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }

        .predict-card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }

        .predict-card-meta i {
            color: var(--accent);
            font-size: 0.7rem;
        }

        @media (max-width: 1024px) {
            .predict-card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }

        @media (max-width: 600px) {
            .predict-card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .predict-card-img-wrap {
                height: 170px;
            }
        }

        /* ========================================
            数据看板
        ======================================== */
        .stats-dashboard {
            background: var(--bg-dark-section);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            color: #fff;
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
        }

        .stats-dashboard::after {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.08);
            pointer-events: none;
        }

        .stat-block {
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 10px;
        }

        .stat-block-icon {
            font-size: 1.8rem;
            color: var(--accent);
            margin-bottom: 10px;
        }

        .stat-block-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-block-num small {
            font-size: 1rem;
            font-weight: 600;
            color: var(--accent-light);
        }

        .stat-block-label {
            font-size: 0.85rem;
            color: var(--text-on-dark-muted);
            letter-spacing: 0.02em;
        }

        @media (max-width: 768px) {
            .stats-dashboard {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
                padding: 28px 20px;
            }
            .stat-block-num {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 480px) {
            .stats-dashboard {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
                padding: 20px 14px;
            }
            .stat-block-num {
                font-size: 1.5rem;
            }
            .stat-block-icon {
                font-size: 1.3rem;
            }
        }

        /* ========================================
            热门预测列表
        ======================================== */
        .prediction-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .prediction-list-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            flex-wrap: wrap;
        }

        .prediction-list-item:hover {
            box-shadow: var(--shadow);
            border-color: var(--border-accent);
        }

        .prediction-match {
            flex: 1;
            min-width: 180px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .prediction-match-teams {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-strong);
        }

        .prediction-match-league {
            font-size: 0.78rem;
            color: var(--text-muted);
            background: var(--bg-warm);
            padding: 3px 10px;
            border-radius: 50px;
            white-space: nowrap;
        }

        .prediction-outcome {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .prediction-badge {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.82rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .prediction-badge.win {
            background: #E8F5E9;
            color: #2E7D32;
        }

        .prediction-badge.draw {
            background: #FFF8E1;
            color: #F57F17;
        }

        .prediction-badge.loss {
            background: #FFEBEE;
            color: #C62828;
        }

        .prediction-confidence {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.82rem;
            color: var(--text-muted);
            white-space: nowrap;
        }

        .confidence-bar {
            width: 50px;
            height: 6px;
            background: var(--border);
            border-radius: 3px;
            overflow: hidden;
        }

        .confidence-bar-fill {
            height: 100%;
            border-radius: 3px;
            background: var(--accent);
            transition: width var(--transition);
        }

        .confidence-bar-fill.high {
            background: #2E7D32;
        }

        .confidence-bar-fill.medium {
            background: var(--accent);
        }

        .confidence-bar-fill.low {
            background: #E57373;
        }

        @media (max-width: 600px) {
            .prediction-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 14px 16px;
            }
            .prediction-match {
                width: 100%;
            }
            .prediction-outcome {
                width: 100%;
                justify-content: space-between;
            }
        }

        /* ========================================
            方法论步骤
        ======================================== */
        .method-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .method-step {
            text-align: center;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 30px 20px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            z-index: 1;
        }

        .method-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .method-step-num {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 4px 14px rgba(27, 58, 92, 0.3);
        }

        .method-step h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .method-step p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

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

        @media (max-width: 520px) {
            .method-steps {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .method-step {
                padding: 22px 16px 18px;
            }
        }

        /* ========================================
            FAQ
        ======================================== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

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

        .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 0.98rem;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: background var(--transition);
        }

        .faq-question:hover {
            background: var(--bg-warm);
        }

        .faq-question i {
            flex-shrink: 0;
            transition: transform var(--transition);
            color: var(--accent);
            font-size: 0.85rem;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* ========================================
            CTA
        ======================================== */
        .cta-section {
            background: linear-gradient(160deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-xl);
            padding: 52px 40px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            left: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.1);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            right: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.06);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1rem;
            color: var(--text-on-dark-muted);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border-radius: 50px;
            text-decoration: none;
            transition: all var(--transition);
            position: relative;
            z-index: 1;
            box-shadow: var(--shadow-accent);
            letter-spacing: 0.02em;
        }

        .btn-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(200, 150, 62, 0.35);
            color: #fff;
        }

        @media (max-width: 600px) {
            .cta-section {
                padding: 36px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .btn-cta {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

        /* ========================================
            通用按钮
        ======================================== */
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border: 2px solid var(--primary);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.88rem;
            border-radius: 50px;
            text-decoration: none;
            transition: all var(--transition);
            letter-spacing: 0.02em;
        }

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

        .btn-sm {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 7px 16px;
            background: var(--bg-warm);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.82rem;
            border-radius: 50px;
            text-decoration: none;
            transition: all var(--transition);
        }

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

        /* ========================================
            Footer
        ======================================== */
        .site-footer {
            background: var(--primary-dark);
            color: var(--text-on-dark-muted);
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.7;
            color: var(--text-on-dark-muted);
        }

        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: var(--text-on-dark-muted);
            font-size: 0.88rem;
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-on-dark-muted);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer {
                padding: 36px 0 20px;
            }
        }

        /* ========================================
            辅助工具类
        ======================================== */
        .text-center {
            text-align: center;
        }
        .mt-12 {
            margin-top: 12px;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mt-28 {
            margin-top: 28px;
        }

        /* 背景分区 */
        .bg-warm-section {
            background: var(--bg-warm);
        }

        /* 图片圆角统一 */
        .img-rounded {
            border-radius: var(--radius-md);
        }

        /* 聚焦可见轮廓 */
        :focus-visible {
            outline: 3px solid var(--accent) !important;
            outline-offset: 3px !important;
        }

/* roulang page: category1 */
:root {
            --primary: #1B3A5C;
            --primary-dark: #0F2740;
            --primary-light: #2C5282;
            --accent: #C8963E;
            --accent-light: #D4A95A;
            --accent-dark: #A67A2E;
            --bg: #FFFFFF;
            --bg-soft: #F8F9FA;
            --bg-muted: #F1F3F5;
            --bg-dark: #1B3A5C;
            --text: #1E1E1E;
            --text-soft: #4A4A4A;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --text-on-dark: #E8ECF0;
            --text-on-accent: #FFFFFF;
            --border: #E5E7EB;
            --border-light: #F0F1F3;
            --success: #16A34A;
            --danger: #DC2626;
            --warning: #F59E0B;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition: 0.2s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.65;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            transition: all var(--transition);
        }

        input {
            font-family: inherit;
            border: none;
            outline: none;
            background: transparent;
        }

        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text);
        }

        /* Container */
        .site-container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-xs);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            gap: 20px;
            height: 100%;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 9px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: -0.01em;
        }
        .header-logo:hover {
            color: var(--primary-light);
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
        }

        /* 搜索框 - 导航视觉中心 */
        .nav-search-wrapper {
            flex: 1;
            max-width: 380px;
            min-width: 200px;
        }
        .nav-search-form {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-muted);
            border-radius: 28px;
            padding: 9px 16px;
            border: 2px solid transparent;
            transition: all var(--transition);
        }
        .nav-search-form:focus-within {
            border-color: var(--accent);
            background: #fff;
            box-shadow: var(--shadow-sm);
        }
        .nav-search-form input {
            flex: 1;
            font-size: 0.9rem;
            color: var(--text);
            background: transparent;
            min-width: 0;
        }
        .nav-search-form input::placeholder {
            color: var(--text-light);
        }
        .search-btn {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            flex-shrink: 0;
            transition: all var(--transition);
        }
        .search-btn:hover {
            background: var(--accent-dark);
            transform: scale(1.04);
        }

        /* 桌面导航 */
        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
            flex-wrap: nowrap;
        }
        .nav-links-desktop a {
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--text-soft);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }
        .nav-links-desktop a:hover {
            color: var(--primary);
            background: var(--bg-muted);
        }
        .nav-links-desktop a.active-nav {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }
        .nav-links-desktop a.active-nav:hover {
            background: var(--primary-light);
            color: #fff;
        }

        /* 移动端 */
        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-muted);
            color: var(--text);
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            border: 1px solid var(--border);
        }
        .mobile-menu-toggle:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .mobile-menu-toggle:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 99;
            flex-direction: column;
            padding: 20px 24px;
            gap: 6px;
            overflow-y: auto;
            box-shadow: var(--shadow-lg);
        }
        .mobile-nav-panel.is-open {
            display: flex;
        }
        .mobile-nav-panel .mobile-search-wrap {
            margin-bottom: 12px;
        }
        .mobile-nav-panel a {
            display: block;
            padding: 13px 18px;
            border-radius: var(--radius);
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-soft);
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .mobile-nav-panel a:hover {
            background: var(--bg-muted);
            color: var(--primary);
        }
        .mobile-nav-panel a.active-nav {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            border-color: var(--primary);
        }

        /* ========== MAIN ========== */
        .page-main {
            flex: 1;
            padding-bottom: 0;
        }

        /* ========== BANNER ========== */
        .category-banner {
            position: relative;
            padding: 70px 0 60px;
            background: var(--bg-dark);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            overflow: hidden;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 39, 64, 0.88) 0%, rgba(27, 58, 92, 0.78) 40%, rgba(15, 39, 64, 0.85) 100%);
            z-index: 1;
        }
        .category-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .banner-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.03em;
        }
        .category-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .category-banner .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.75;
            max-width: 680px;
            margin-bottom: 24px;
        }
        .banner-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 10px;
        }
        .banner-stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .banner-stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-light);
            line-height: 1;
        }
        .banner-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.3;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 56px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .section-header .section-subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 550px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }

        /* ========== CARDS ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 20px;
        }
        .card-grid.cols-4 {
            grid-template-columns: repeat(4, 1fr);
        }
        .card-grid.cols-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .card-grid.cols-2 {
            grid-template-columns: repeat(2, 1fr);
        }

        .info-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-slow);
            display: flex;
            flex-direction: column;
            gap: 14px;
            position: relative;
            overflow: hidden;
        }
        .info-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border-light);
        }
        .info-card .card-icon-wrap {
            width: 50px;
            height: 50px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
        }
        .card-icon-wrap.icon-blue {
            background: #E8F0FB;
            color: var(--primary);
        }
        .card-icon-wrap.icon-gold {
            background: #FDF5E6;
            color: var(--accent);
        }
        .card-icon-wrap.icon-green {
            background: #E6F4EA;
            color: var(--success);
        }
        .card-icon-wrap.icon-red {
            background: #FDE8E8;
            color: var(--danger);
        }
        .info-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin: 0;
        }
        .info-card p {
            font-size: 0.93rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
            flex: 1;
        }
        .info-card .card-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: gap var(--transition);
        }
        .info-card .card-link:hover {
            gap: 9px;
            color: var(--accent-dark);
        }

        /* ========== DATA STATS ========== */
        .stats-section {
            background: var(--bg-dark);
            color: #fff;
            padding: 48px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-card {
            padding: 20px 16px;
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition);
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--accent-light);
            line-height: 1;
            margin-bottom: 8px;
        }
        .stat-number sup {
            font-size: 1.1rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.6);
        }
        .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.4;
        }

        /* ========== METHODOLOGY ========== */
        .method-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }
        .method-text {
            padding: 40px;
        }
        .method-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .method-text p {
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .method-text .method-list {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
        }
        .method-text .method-list li {
            padding: 8px 0 8px 24px;
            position: relative;
            color: var(--text-soft);
            font-size: 0.95rem;
        }
        .method-text .method-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 14px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
        }
        .method-image {
            height: 100%;
            min-height: 360px;
            position: relative;
        }
        .method-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            display: block;
        }
        .method-image .img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, rgba(27, 58, 92, 0.35) 0%, rgba(27, 58, 92, 0.05) 100%);
            pointer-events: none;
        }

        /* ========== REPORT LIST ========== */
        .report-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        .report-item {
            display: grid;
            grid-template-columns: 160px 1fr auto;
            gap: 20px;
            align-items: center;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition);
        }
        .report-item:hover {
            box-shadow: var(--shadow);
            border-color: var(--border-light);
        }
        .report-thumb {
            width: 160px;
            height: 100px;
            border-radius: var(--radius);
            overflow: hidden;
            flex-shrink: 0;
        }
        .report-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius);
        }
        .report-info h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .report-info .report-date {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 6px;
        }
        .report-info p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .report-action .btn-sm {
            white-space: nowrap;
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 12px 24px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            cursor: pointer;
            text-decoration: none;
            border: 2px solid transparent;
            letter-spacing: 0.01em;
            line-height: 1.2;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }
        .btn-light {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
        }
        .btn-light:hover {
            background: var(--bg-muted);
            border-color: var(--bg-muted);
            transform: translateY(-1px);
            box-shadow: var(--shadow);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 20px;
            font-weight: 600;
        }
        .btn:focus {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }
        .btn:active {
            transform: scale(0.97);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            background: #fff;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            border: none;
            transition: all var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            transition: all var(--transition);
            color: var(--text-muted);
        }
        .faq-item.is-active .faq-question .faq-icon {
            transform: rotate(180deg);
            background: var(--accent);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
        }
        .faq-item.is-active .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            color: var(--text-muted);
            line-height: 1.7;
            font-size: 0.93rem;
            margin: 0;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--bg-dark);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 60px 0;
            text-align: center;
            color: #fff;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 39, 64, 0.82);
            z-index: 1;
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            line-height: 1.6;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-desc {
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
            font-size: 0.88rem;
        }
        .footer-col h5 {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 12px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 7px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            text-align: center;
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.82rem;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .nav-links-desktop {
                gap: 2px;
            }
            .nav-links-desktop a {
                padding: 7px 10px;
                font-size: 0.85rem;
            }
            .nav-search-wrapper {
                max-width: 240px;
            }
            .card-grid.cols-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid.cols-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .method-block {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .method-image {
                min-height: 250px;
                order: -1;
            }
            .method-text {
                padding: 28px;
            }
            .report-item {
                grid-template-columns: 120px 1fr;
                gap: 14px;
            }
            .report-action {
                grid-column: 1 / -1;
                justify-self: end;
            }
            .report-thumb {
                width: 120px;
                height: 80px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .category-banner h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-search-wrapper {
                display: none;
            }
            .nav-links-desktop {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .header-inner {
                justify-content: space-between;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .card-grid.cols-4,
            .card-grid.cols-3,
            .card-grid.cols-2 {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .method-block {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .method-image {
                min-height: 200px;
            }
            .method-text {
                padding: 22px;
            }
            .report-item {
                grid-template-columns: 1fr;
                gap: 10px;
                padding: 14px;
            }
            .report-thumb {
                width: 100%;
                height: 140px;
            }
            .report-action {
                grid-column: auto;
                justify-self: start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .category-banner {
                padding: 44px 0 36px;
            }
            .category-banner h1 {
                font-size: 1.65rem;
            }
            .category-banner .banner-desc {
                font-size: 0.95rem;
            }
            .banner-stats-row {
                gap: 16px;
            }
            .banner-stat-num {
                font-size: 1.5rem;
            }
            .section {
                padding: 36px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .site-container {
                padding: 0 14px;
            }
            .header-inner {
                padding: 0 14px;
            }
            .header-logo {
                font-size: 1.1rem;
                gap: 6px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .stat-label {
                font-size: 0.78rem;
            }
            .category-banner h1 {
                font-size: 1.4rem;
            }
            .banner-badge {
                font-size: 0.75rem;
                padding: 5px 12px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 0.88rem;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .info-card {
                padding: 20px 16px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0f2847;
            --primary-light: #1a3f6b;
            --accent: #d49b3e;
            --accent-light: #e8b85a;
            --accent-dark: #b07d28;
            --bg: #f5f5f0;
            --bg-white: #ffffff;
            --bg-warm: #fafaf7;
            --bg-dark: #0c1e33;
            --text: #1a1a1a;
            --text-secondary: #4a4a4a;
            --text-muted: #7a7a7a;
            --text-light: #9ca3af;
            --border: #e0ddd5;
            --border-light: #ece9e2;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans SC', sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --nav-height: 68px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-stack);
            font-weight: 400;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
        }

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

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

        button {
            font-family: var(--font-stack);
            cursor: pointer;
            border: none;
            outline: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        input {
            font-family: var(--font-stack);
        }

        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        /* ===== 容器 ===== */
        .site-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 640px) {
            .site-container {
                padding: 0 16px;
            }
        }

        /* ===== Header ===== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
        }

        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            height: 100%;
            gap: 20px;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 9px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition);
        }
        .header-logo:hover {
            opacity: 0.82;
        }
        .logo-icon {
            font-size: 1.5rem;
            color: var(--accent);
        }

        /* 搜索框 */
        .nav-search-wrapper {
            flex: 1;
            max-width: 380px;
            min-width: 200px;
        }
        .nav-search-form {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg);
            border: 1.5px solid var(--border);
            border-radius: 28px;
            padding: 8px 16px;
            transition: all var(--transition);
        }
        .nav-search-form:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(212, 155, 62, 0.1);
            background: var(--bg-white);
        }
        .nav-search-form input {
            flex: 1;
            border: none;
            background: transparent;
            font-size: 0.9rem;
            color: var(--text);
            min-width: 0;
            padding: 2px 0;
        }
        .nav-search-form input::placeholder {
            color: var(--text-muted);
        }
        .nav-search-form input:focus {
            outline: none;
        }
        .search-btn {
            background: var(--accent);
            color: #fff;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            flex-shrink: 0;
            transition: all var(--transition);
        }
        .search-btn:hover {
            background: var(--accent-dark);
            transform: scale(1.05);
        }

        /* 桌面导航 */
        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }
        .nav-links-desktop a {
            display: inline-block;
            padding: 8px 14px;
            border-radius: 22px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }
        .nav-links-desktop a:hover {
            color: var(--primary);
            background: rgba(15, 40, 71, 0.04);
        }
        .nav-links-desktop a.active-nav {
            color: var(--accent-dark);
            background: rgba(212, 155, 62, 0.08);
            font-weight: 600;
        }

        /* 移动端切换按钮 */
        .mobile-menu-toggle {
            display: none;
            background: transparent;
            font-size: 1.4rem;
            color: var(--text);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
            flex-shrink: 0;
        }
        .mobile-menu-toggle:hover {
            background: var(--bg);
        }

        /* 移动端面板 */
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-white);
            z-index: 999;
            padding: 20px 24px;
            flex-direction: column;
            gap: 6px;
            overflow-y: auto;
            box-shadow: var(--shadow-lg);
        }
        .mobile-nav-panel.is-open {
            display: flex;
        }
        .mobile-nav-panel .mobile-search-wrap {
            margin-bottom: 12px;
        }
        .mobile-nav-panel a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius);
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .mobile-nav-panel a:hover {
            background: var(--bg);
            color: var(--primary);
        }
        .mobile-nav-panel a.active-nav {
            color: var(--accent-dark);
            background: rgba(212, 155, 62, 0.07);
            border-color: rgba(212, 155, 62, 0.2);
            font-weight: 600;
        }

        @media (max-width: 1024px) {
            .nav-links-desktop {
                display: none;
            }
            .nav-search-wrapper {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .header-inner {
                justify-content: space-between;
                gap: 12px;
            }
            .header-logo {
                margin-right: auto;
            }
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 56px 0;
        }
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 36px;
            max-width: 600px;
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header .section-title {
            margin-bottom: 8px;
        }
        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 768px) {
            .section {
                padding: 36px 0;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
                margin-bottom: 24px;
            }
            .section-header {
                margin-bottom: 28px;
            }
        }

        /* ===== Banner ===== */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, var(--primary) 0%, #0a1f35 40%, #0f2847 100%);
            padding: 64px 0;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 40, 71, 0.45) 0%, rgba(12, 30, 51, 0.75) 100%);
            z-index: 1;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            color: #fff;
            max-width: 700px;
        }
        .page-banner .banner-kicker {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 5px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .page-banner h1 {
            font-size: 2.4rem;
            font-weight: 800;
            margin-bottom: 14px;
            line-height: 1.25;
            letter-spacing: 0.02em;
        }
        .page-banner .banner-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.65;
            max-width: 560px;
        }
        .banner-stats-row {
            display: flex;
            gap: 32px;
            margin-top: 24px;
            flex-wrap: wrap;
        }
        .banner-stat {
            text-align: center;
        }
        .banner-stat .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-light);
            line-height: 1;
        }
        .banner-stat .stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 40px 0;
                min-height: auto;
            }
            .page-banner h1 {
                font-size: 1.7rem;
            }
            .page-banner .banner-desc {
                font-size: 0.9rem;
            }
            .banner-stats-row {
                gap: 20px;
            }
            .banner-stat .stat-num {
                font-size: 1.5rem;
            }
        }

        /* ===== 卡片系统 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }
        .card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--border);
        }
        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card-icon.blue {
            background: #e8f0fb;
            color: var(--primary);
        }
        .card-icon.gold {
            background: #fdf3e0;
            color: var(--accent);
        }
        .card-icon.green {
            background: #e6f4ea;
            color: #2c6e3f;
        }
        .card-icon.red {
            background: #fde8e8;
            color: #c0392b;
        }
        .card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }
        .card .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 14px;
            margin-top: 12px;
            letter-spacing: 0.03em;
        }
        .tag-accent {
            background: #fdf3e0;
            color: var(--accent-dark);
        }
        .tag-blue {
            background: #e8f0fb;
            color: var(--primary);
        }

        /* 带图卡片 */
        .card-image-top {
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            overflow: hidden;
            height: 180px;
            flex-shrink: 0;
        }
        .card-image-top img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card.has-image {
            padding: 0;
            display: flex;
            flex-direction: column;
        }
        .card.has-image .card-body {
            padding: 20px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card.has-image:hover .card-image-top img {
            transform: scale(1.04);
        }
        .card.has-image h3 {
            margin-bottom: 6px;
        }
        .card.has-image p {
            flex: 1;
        }

        @media (max-width: 640px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .card {
                padding: 20px 16px;
            }
            .card-image-top {
                height: 150px;
            }
        }

        /* ===== 数据指标区 ===== */
        .metrics-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .metric-card:hover {
            box-shadow: var(--shadow);
            border-color: var(--border);
        }
        .metric-card .metric-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }
        .metric-card .metric-num.accent {
            color: var(--accent);
        }
        .metric-card .metric-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 6px;
        }
        @media (max-width: 768px) {
            .metrics-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .metric-card {
                padding: 20px 14px;
            }
            .metric-card .metric-num {
                font-size: 1.8rem;
            }
        }

        /* ===== 内容列表 ===== */
        .content-list-item {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-light);
            align-items: flex-start;
            transition: all var(--transition);
        }
        .content-list-item:last-child {
            border-bottom: none;
        }
        .content-list-item .list-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .content-list-item .list-num.gold {
            background: var(--accent);
        }
        .content-list-item h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 4px;
        }
        .content-list-item p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.55;
        }

        /* ===== 双栏图文 ===== */
        .two-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .two-col .col-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .two-col .col-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        .two-col .col-text h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
        }
        .two-col .col-text p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 10px;
        }
        @media (max-width: 768px) {
            .two-col {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .two-col .col-text h2 {
                font-size: 1.3rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            user-select: none;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: var(--bg-warm);
        }
        .faq-question .faq-icon {
            font-size: 0.8rem;
            color: var(--accent);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 600px;
        }
        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #0a1f35 100%);
            padding: 56px 0;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
            z-index: 0;
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition);
            cursor: pointer;
            text-align: center;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(212, 155, 62, 0.35);
        }
        .btn-primary:hover {
            background: var(--accent-light);
            box-shadow: 0 6px 22px rgba(212, 155, 62, 0.45);
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.82rem;
            border-radius: 20px;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 40px 0;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 20px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }
        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .footer-col ul li {
            margin-bottom: 7px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.85rem;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 16px;
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== Foundation 覆盖 ===== */
        .grid-container {
            max-width: var(--max-width);
        }
        .button {
            border-radius: 28px;
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: all var(--transition);
        }
        .button.primary {
            background: var(--accent);
        }
        .button.primary:hover {
            background: var(--accent-light);
        }

        /* ===== 其他工具 ===== */
        .text-center {
            text-align: center;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mt-3 {
            margin-top: 24px;
        }
        .highlight-box {
            background: #fef9f0;
            border-left: 4px solid var(--accent);
            padding: 16px 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 16px 0;
        }
        .highlight-box strong {
            color: var(--primary);
        }

/* roulang page: category4 */
:root {
            --primary: #1a3352;
            --primary-light: #1e3f64;
            --primary-dark: #0f1f33;
            --accent: #c8a44e;
            --accent-light: #e0c378;
            --accent-dark: #a07d2e;
            --surface: #ffffff;
            --bg: #f5f3ee;
            --bg-alt: #edebe5;
            --bg-dark: #1a1f2b;
            --text: #1e2130;
            --text-strong: #0d1018;
            --text-muted: #6b6f7b;
            --text-light: #9a9da8;
            --border: #dcd8cf;
            --border-light: #e8e4db;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 22px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.07);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.09);
            --shadow-lg: 0 8px 36px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-stack: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --max-width: 1240px;
            --header-height: 68px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            transition: all var(--transition-fast);
        }

        input {
            font-family: inherit;
            font-size: inherit;
        }

        ul {
            list-style: none;
        }

        /* ============ Containers ============ */
        .site-container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-padding {
            padding: 72px 0;
        }

        .section-padding-sm {
            padding: 48px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .section-header .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        .section-tag {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 14px;
        }

        /* ============ Header / Nav ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-xs);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            gap: 20px;
            height: 100%;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 9px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: -0.01em;
            transition: color var(--transition-fast);
        }

        .header-logo:hover {
            color: var(--accent);
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .nav-search-wrapper {
            flex: 1;
            max-width: 440px;
            margin: 0 auto;
        }

        .nav-search-form {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg);
            border: 1.5px solid var(--border);
            border-radius: 28px;
            padding: 9px 16px;
            transition: all var(--transition);
        }

        .nav-search-form:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(200, 164, 78, 0.1);
            background: var(--surface);
        }

        .nav-search-form input {
            flex: 1;
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.9rem;
            color: var(--text);
            min-width: 0;
        }

        .nav-search-form input::placeholder {
            color: var(--text-light);
        }

        .search-btn {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .search-btn:hover {
            background: var(--accent-dark);
            transform: scale(1.05);
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
            flex-wrap: wrap;
            justify-content: flex-end;
        }

        .nav-links-desktop a {
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text);
            padding: 7px 13px;
            border-radius: 20px;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: -0.01em;
        }

        .nav-links-desktop a:hover {
            color: var(--accent);
            background: rgba(200, 164, 78, 0.06);
        }

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

        .nav-links-desktop a.active-nav:hover {
            background: var(--primary-light);
            color: #fff;
        }

        .mobile-menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--bg);
            color: var(--text);
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            border: 1px solid var(--border);
            transition: all var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--surface);
            z-index: 99;
            flex-direction: column;
            padding: 20px 24px;
            gap: 6px;
            overflow-y: auto;
            border-top: 1px solid var(--border-light);
            box-shadow: var(--shadow-lg);
        }

        .mobile-nav-panel.active {
            display: flex;
        }

        .mobile-nav-panel a {
            display: block;
            font-size: 1.05rem;
            font-weight: 500;
            padding: 13px 18px;
            border-radius: var(--radius);
            color: var(--text);
            transition: all var(--transition-fast);
        }

        .mobile-nav-panel a:hover {
            background: var(--bg);
            color: var(--accent);
        }

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

        .mobile-search-wrap {
            margin-bottom: 12px;
        }

        .mobile-search-wrap .nav-search-form {
            background: var(--bg);
        }

        /* ============ Hero / Banner ============ */
        .page-hero {
            position: relative;
            padding: 80px 0 72px;
            background: var(--primary);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg,
                    rgba(26, 51, 82, 0.88) 0%,
                    rgba(15, 31, 51, 0.94) 100%);
            z-index: 1;
        }

        .page-hero .site-container {
            position: relative;
            z-index: 2;
        }

        .page-hero .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.13);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--accent-light);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 18px;
            backdrop-filter: blur(4px);
        }

        .page-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: 16px;
            line-height: 1.2;
            color: #fff;
        }

        .page-hero .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.82);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 28px;
        }

        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
        }

        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
        }

        .hero-stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-light);
            letter-spacing: -0.02em;
            line-height: 1;
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.3;
        }

        /* ============ Strategy Intro ============ */
        .strategy-intro {
            background: var(--surface);
            position: relative;
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .intro-text h3 {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .intro-text p {
            color: var(--text-muted);
            margin-bottom: 12px;
            line-height: 1.75;
        }

        .intro-text .highlight-box {
            background: var(--bg);
            border-left: 4px solid var(--accent);
            padding: 16px 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin-top: 18px;
            font-weight: 500;
            color: var(--text-strong);
        }

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

        .intro-image-wrap img {
            width: 100%;
            border-radius: var(--radius-lg);
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .intro-image-badge {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: var(--surface);
            color: var(--text-strong);
            padding: 10px 18px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: var(--shadow);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .intro-image-badge i {
            color: var(--accent);
        }

        /* ============ Strategy Cards Grid ============ */
        .strategy-cards-section {
            background: var(--bg-alt);
        }

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

        .strategy-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            border: 1px solid transparent;
        }

        .strategy-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border-light);
        }

        .strategy-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
        }

        .strategy-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-slow);
        }

        .strategy-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .strategy-card .card-num {
            position: absolute;
            top: 14px;
            left: 14px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: var(--shadow-sm);
            z-index: 2;
        }

        .strategy-card .card-body {
            padding: 22px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .strategy-card .card-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .strategy-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .strategy-card .card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
        }

        .strategy-card .card-link i {
            transition: transform var(--transition-fast);
        }

        .strategy-card .card-link:hover {
            color: var(--primary);
        }

        .strategy-card .card-link:hover i {
            transform: translateX(4px);
        }

        /* ============ Data-Driven Section ============ */
        .data-driven {
            background: var(--primary);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .data-driven::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(200, 164, 78, 0.06);
            pointer-events: none;
        }

        .data-driven .section-header h2 {
            color: #fff;
        }

        .data-driven .section-header .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

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

        .data-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            text-align: center;
            backdrop-filter: blur(6px);
            transition: all var(--transition);
        }

        .data-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.22);
            transform: translateY(-4px);
        }

        .data-card .data-icon {
            width: 54px;
            height: 54px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin: 0 auto 18px;
        }

        .data-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: #fff;
        }

        .data-card .data-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-light);
            letter-spacing: -0.02em;
            margin-bottom: 4px;
        }

        .data-card p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.5;
        }

        /* ============ Practical Guide ============ */
        .practical-guide {
            background: var(--surface);
        }

        .guide-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .guide-steps {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .guide-step {
            display: flex;
            gap: 16px;
            padding: 18px 20px;
            background: var(--bg);
            border-radius: var(--radius);
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .guide-step:hover {
            background: var(--surface);
            border-color: var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .guide-step .step-num {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .guide-step .step-content h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 4px;
        }

        .guide-step .step-content p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        .guide-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: sticky;
            top: 100px;
        }

        .guide-image img {
            width: 100%;
            border-radius: var(--radius-lg);
            object-fit: cover;
            aspect-ratio: 4/3;
        }

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

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-strong);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            background: none;
            border: none;
            font-family: inherit;
            transition: color var(--transition-fast);
        }

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

        .faq-question i {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition);
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ============ CTA Section ============ */
        .cta-section {
            background: var(--surface);
            text-align: center;
        }

        .cta-card {
            background: linear-gradient(145deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-xl);
            padding: 52px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-card::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(200, 164, 78, 0.1);
            pointer-events: none;
        }

        .cta-card h3 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
            letter-spacing: -0.02em;
        }

        .cta-card p {
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 28px;
            transition: all var(--transition);
            position: relative;
            z-index: 1;
            letter-spacing: 0.01em;
        }

        .btn-cta:hover {
            background: var(--accent-light);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(200, 164, 78, 0.35);
        }

        .btn-cta:active {
            transform: translateY(-1px);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: 28px;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition);
            margin-left: 8px;
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .footer-desc {
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
            font-size: 0.85rem;
            margin-bottom: 8px;
        }

        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 7px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom p {
            margin: 0;
        }

        /* ============ Responsive ============ */
        @media (max-width: 1024px) {
            .nav-links-desktop {
                display: none;
            }

            .mobile-menu-toggle {
                display: flex;
            }

            .nav-search-wrapper {
                max-width: 320px;
            }

            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .guide-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .guide-image {
                position: static;
                order: -1;
            }

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

            .page-hero h1 {
                font-size: 2rem;
            }

            .hero-stats-row {
                gap: 18px;
            }

            .section-padding {
                padding: 52px 0;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                gap: 12px;
            }

            .nav-search-wrapper {
                max-width: 200px;
            }

            .header-logo span {
                font-size: 1rem;
            }

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

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

            .page-hero {
                padding: 56px 0 48px;
            }

            .page-hero h1 {
                font-size: 1.7rem;
            }

            .page-hero .hero-desc {
                font-size: 0.95rem;
            }

            .hero-stats-row {
                gap: 14px;
                flex-direction: column;
            }

            .section-header h2 {
                font-size: 1.5rem;
            }

            .cta-card {
                padding: 36px 24px;
            }

            .cta-card h3 {
                font-size: 1.35rem;
            }

            .btn-cta,
            .btn-outline-light {
                display: flex;
                width: 100%;
                justify-content: center;
                margin: 0 0 10px 0;
            }

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

            .section-padding {
                padding: 40px 0;
            }

            .site-container {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                gap: 8px;
            }

            .nav-search-wrapper {
                max-width: 140px;
            }

            .nav-search-form {
                padding: 7px 10px;
                gap: 5px;
            }

            .nav-search-form input {
                font-size: 0.78rem;
            }

            .header-logo {
                font-size: 0.95rem;
            }

            .header-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.8rem;
            }

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

            .page-hero h1 {
                font-size: 1.45rem;
            }

            .hero-stat-num {
                font-size: 1.5rem;
            }

            .intro-text h3 {
                font-size: 1.25rem;
            }

            .strategy-card .card-body h4 {
                font-size: 1rem;
            }

            .section-header h2 {
                font-size: 1.3rem;
            }

            .cta-card h3 {
                font-size: 1.2rem;
            }

            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }

            .faq-answer-inner {
                padding: 0 16px 16px;
            }
        }

/* roulang page: category5 */
/* ============ 设计变量 ============ */
        :root {
            --color-primary: #0f2b46;
            --color-primary-light: #1a3f63;
            --color-accent: #c8963e;
            --color-accent-light: #d9a94e;
            --color-accent-dark: #a87a2e;
            --color-bg: #ffffff;
            --color-bg-alt: #f4f5f7;
            --color-bg-dark: #0c1f33;
            --color-bg-card: #ffffff;
            --color-text: #1e2d3d;
            --color-text-secondary: #5a6b7c;
            --color-text-muted: #8899aa;
            --color-text-light: #bcc5cf;
            --color-border: #e2e6ea;
            --color-border-light: #eef1f4;
            --color-success: #2e7d5b;
            --color-warning: #d4851e;
            --color-danger: #c0392b;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50%;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.09);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --shadow-accent: 0 4px 20px rgba(200, 150, 62, 0.22);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --header-height: 72px;
            --container-max: 1200px;
            --container-narrow: 900px;
        }

        /* ============ 基础 Reset & Base ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }
        input {
            font-family: inherit;
            font-size: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-text);
        }
        p {
            margin: 0 0 0.8em;
            color: var(--color-text-secondary);
        }
        p:last-child {
            margin-bottom: 0;
        }

        /* ============ 容器 ============ */
        .site-container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-container--narrow {
            max-width: var(--container-narrow);
        }

        /* ============ Header / 导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .header-inner {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            gap: 20px;
            height: 100%;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-primary) !important;
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: -0.02em;
            transition: opacity var(--transition-fast);
        }
        .header-logo:hover {
            opacity: 0.8;
            color: var(--color-primary) !important;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            color: #fff;
            font-size: 1.1rem;
        }
        .nav-search-wrapper {
            flex: 1;
            max-width: 420px;
            min-width: 200px;
        }
        .nav-search-form {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--color-bg-alt);
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-xl);
            padding: 9px 16px;
            transition: all var(--transition-base);
        }
        .nav-search-form:focus-within {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(200, 150, 62, 0.08);
            background: #fff;
        }
        .nav-search-form input {
            flex: 1;
            border: none;
            background: transparent;
            font-size: 0.95rem;
            color: var(--color-text);
            outline: none;
            min-width: 0;
        }
        .nav-search-form input::placeholder {
            color: var(--color-text-muted);
        }
        .search-btn {
            background: var(--color-accent);
            color: #fff;
            width: 30px;
            height: 30px;
            border-radius: var(--radius-full);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .search-btn:hover {
            background: var(--color-accent-dark);
            transform: scale(1.06);
        }
        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
            flex-wrap: nowrap;
        }
        .nav-links-desktop a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }
        .nav-links-desktop a:hover {
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }
        .nav-links-desktop a.active-nav {
            color: var(--color-accent);
            font-weight: 600;
            background: rgba(200, 150, 62, 0.06);
        }
        .nav-links-desktop a.active-nav::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background: var(--color-accent);
        }
        .mobile-menu-toggle {
            display: none;
            background: transparent;
            font-size: 1.4rem;
            color: var(--color-text);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .mobile-menu-toggle:hover {
            background: var(--color-bg-alt);
        }
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 999;
            flex-direction: column;
            padding: 24px;
            gap: 6px;
            overflow-y: auto;
            box-shadow: var(--shadow-lg);
        }
        .mobile-nav-panel.active {
            display: flex;
        }
        .mobile-nav-panel a {
            display: block;
            padding: 14px 18px;
            border-radius: var(--radius-md);
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }
        .mobile-nav-panel a:hover {
            background: var(--color-bg-alt);
            color: var(--color-primary);
        }
        .mobile-nav-panel a.active-nav {
            color: var(--color-accent);
            font-weight: 600;
            background: rgba(200, 150, 62, 0.06);
            border-color: rgba(200, 150, 62, 0.2);
        }
        .mobile-search-wrap {
            margin-bottom: 8px;
        }

        /* ============ 页面 Hero ============ */
        .page-hero {
            position: relative;
            background: var(--color-bg-dark);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: 70px 0;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 43, 70, 0.88) 0%, rgba(12, 31, 51, 0.75) 60%, rgba(15, 43, 70, 0.85) 100%);
            z-index: 1;
        }
        .page-hero .site-container {
            position: relative;
            z-index: 2;
        }
        .page-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 7px 16px;
            border-radius: var(--radius-xl);
            font-size: 0.85rem;
            font-weight: 500;
            color: #fff;
            margin-bottom: 18px;
            backdrop-filter: blur(4px);
        }
        .page-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }
        .page-hero .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            line-height: 1.6;
            margin-bottom: 0;
        }
        .page-hero-stats {
            display: flex;
            gap: 36px;
            margin-top: 28px;
            flex-wrap: wrap;
        }
        .page-hero-stat {
            display: flex;
            align-items: baseline;
            gap: 6px;
        }
        .page-hero-stat .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1;
        }
        .page-hero-stat .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ============ 板块通用样式 ============ */
        .section {
            padding: 64px 0;
        }
        .section--alt {
            background: var(--color-bg-alt);
        }
        .section--dark {
            background: var(--color-bg-dark);
            color: #fff;
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .section-header .section-subtitle {
            color: var(--color-text-muted);
            font-size: 1rem;
            max-width: 560px;
            margin: 0 auto;
        }
        .section--dark .section-header h2 {
            color: #fff;
        }
        .section--dark .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ============ 卡片系统 ============ */
        .card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .card-image-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--color-bg-alt);
        }
        .card-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-slow);
        }
        .card:hover .card-image-wrap img {
            transform: scale(1.04);
        }
        .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: var(--radius-xl);
            z-index: 1;
            letter-spacing: 0.02em;
        }
        .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }
        .card-body p {
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex: 1;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.9rem;
            margin-top: 12px;
            transition: gap var(--transition-fast);
        }
        .card-link:hover {
            gap: 10px;
            color: var(--color-accent-dark);
        }
        .card-link i {
            font-size: 0.75rem;
        }

        /* 数据统计卡片 */
        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition-base);
            height: 100%;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-card .stat-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: rgba(200, 150, 62, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.4rem;
            color: var(--color-accent);
        }
        .stat-card .stat-value {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-card .stat-desc {
            font-size: 0.9rem;
            color: var(--color-text-muted);
        }

        /* ============ 流程/步骤 ============ */
        .steps-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step-counter;
        }
        .step-item {
            position: relative;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 22px 22px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-base);
            text-align: center;
            counter-increment: step-counter;
        }
        .step-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .step-item::before {
            content: counter(step-counter);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-full);
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin: 0 auto 14px;
        }
        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }
        .step-item p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        /* ============ 数据覆盖表 ============ */
        .coverage-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .coverage-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px 18px;
            border: 1px solid var(--color-border-light);
            display: flex;
            align-items: center;
            gap: 14px;
            transition: all var(--transition-fast);
        }
        .coverage-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
        }
        .coverage-dot {
            width: 10px;
            height: 10px;
            border-radius: var(--radius-full);
            background: var(--color-accent);
            flex-shrink: 0;
        }
        .coverage-info strong {
            display: block;
            font-size: 0.95rem;
            color: var(--color-text);
            margin-bottom: 2px;
        }
        .coverage-info span {
            font-size: 0.82rem;
            color: var(--color-text-muted);
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            background: transparent;
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            transition: color var(--transition-fast);
            cursor: pointer;
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question i {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-answer {
            padding: 0 20px 18px;
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-item.open {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
        }

        /* ============ CTA ============ */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, #0c1f33 100%);
            color: #fff;
            text-align: center;
            padding: 56px 0;
            border-radius: 0;
        }
        .cta-section h3 {
            color: #fff;
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1rem;
            max-width: 500px;
            margin: 0 auto 24px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-xl);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-base);
            letter-spacing: 0.01em;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-accent);
        }
        .btn-primary:hover {
            background: var(--color-accent-light);
            box-shadow: 0 6px 24px rgba(200, 150, 62, 0.3);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline-light {
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            background: transparent;
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.08rem;
            border-radius: var(--radius-xl);
        }

        /* ============ Footer ============ */
        .site-footer {
            background: #0c1a2b;
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-desc {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            line-height: 1.6;
        }
        .footer-col h5 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ============ 分隔线 ============ */
        .divider {
            width: 60px;
            height: 3px;
            border-radius: 3px;
            background: var(--color-accent);
            margin: 0 auto 28px;
        }

        /* ============ 数据高亮区块 ============ */
        .highlight-block {
            background: #fff;
            border-radius: var(--radius-lg);
            border-left: 4px solid var(--color-accent);
            padding: 24px 28px;
            box-shadow: var(--shadow-sm);
            margin-bottom: 16px;
            transition: all var(--transition-fast);
        }
        .highlight-block:hover {
            box-shadow: var(--shadow-md);
        }
        .highlight-block h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--color-text);
        }
        .highlight-block .highlight-meta {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .nav-links-desktop {
                gap: 0;
            }
            .nav-links-desktop a {
                padding: 8px 10px;
                font-size: 0.84rem;
            }
            .nav-search-wrapper {
                max-width: 260px;
            }
            .page-hero h1 {
                font-size: 2.1rem;
            }
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .coverage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .stat-card .stat-value {
                font-size: 1.9rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links-desktop {
                display: none;
            }
            .nav-search-wrapper {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .header-inner {
                justify-content: space-between;
            }
            .page-hero {
                padding: 48px 0;
            }
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .page-hero .hero-subtitle {
                font-size: 1rem;
            }
            .page-hero-stats {
                gap: 20px;
            }
            .page-hero-stat .stat-number {
                font-size: 1.5rem;
            }
            .section {
                padding: 44px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .steps-list {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .coverage-grid {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .card-body {
                padding: 16px;
            }
            .stat-card {
                padding: 20px 16px;
            }
            .cta-section h3 {
                font-size: 1.4rem;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 1rem;
            }
            .highlight-block {
                padding: 18px 16px;
            }
            .faq-question {
                font-size: 0.95rem;
                padding: 15px 16px;
            }
            .faq-answer {
                padding: 0 16px 15px;
                font-size: 0.87rem;
            }
        }

        @media (max-width: 520px) {
            .header-logo {
                font-size: 1.1rem;
                gap: 6px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .page-hero h1 {
                font-size: 1.4rem;
            }
            .page-hero .hero-subtitle {
                font-size: 0.9rem;
            }
            .page-hero-stats {
                gap: 14px;
                flex-direction: column;
            }
            .steps-list {
                grid-template-columns: 1fr;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .stat-card .stat-value {
                font-size: 1.6rem;
            }
            .mobile-nav-panel {
                padding: 16px;
            }
            .mobile-nav-panel a {
                padding: 12px 14px;
                font-size: 0.95rem;
            }
        }