/* roulang page: index */
:root {
            --color-primary: #1B3A5C;
            --color-primary-dark: #0F2640;
            --color-primary-light: #26547C;
            --color-accent: #D4A843;
            --color-accent-light: #E8C96A;
            --color-accent-dark: #B8932F;
            --color-red: #C0392B;
            --color-red-light: #E74C3C;
            --color-bg: #FFFFFF;
            --color-bg-alt: #F6F7F9;
            --color-bg-dark: #1A2D3D;
            --color-text: #2C3E50;
            --color-text-light: #5D6D7E;
            --color-text-muted: #8E9BAA;
            --color-border: #E2E6EB;
            --color-border-light: #EEF1F5;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10), 0 3px 10px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12), 0 4px 14px rgba(0, 0, 0, 0.06);
            --shadow-dock: 0 8px 40px rgba(27, 58, 92, 0.14), 0 2px 10px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-heading: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-body: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --max-width: 1180px;
            --nav-height: 64px;
            --dock-max-width: 1120px;
        }

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

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

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: var(--font-body);
        }
        input,
        textarea,
        select {
            font-family: var(--font-body);
        }

        .grid-container {
            max-width: var(--max-width);
        }

        /* ========== 浮动Dock导航 ========== */
        .nav-dock-wrapper {
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 12px 16px 0;
            pointer-events: none;
            transition: padding var(--transition-normal);
        }
        .nav-dock-wrapper.scrolled {
            padding-top: 0;
        }
        .nav-dock {
            pointer-events: auto;
            max-width: var(--dock-max-width);
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-dock);
            border: 1px solid var(--color-border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            height: var(--nav-height);
            transition: all var(--transition-normal);
            position: relative;
        }
        .nav-dock-wrapper.scrolled .nav-dock {
            border-radius: 0 0 var(--radius-xl) var(--radius-xl);
            box-shadow: var(--shadow-lg);
            max-width: 100%;
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-brand:hover {
            color: var(--color-primary-dark);
        }
        .nav-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }
        .nav-links li {
            margin: 0;
        }
        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text);
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }
        .nav-links a:hover {
            color: var(--color-primary);
            background: rgba(27, 58, 92, 0.05);
        }
        .nav-links a.active {
            color: #fff;
            background: var(--color-primary);
            font-weight: 600;
        }
        .nav-links a.active:hover {
            background: var(--color-primary-dark);
        }
        .nav-cta-btn {
            display: inline-block;
            padding: 9px 20px;
            border-radius: 22px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            letter-spacing: 0.4px;
            transition: all var(--transition-fast);
            flex-shrink: 0;
            border: none;
        }
        .nav-cta-btn:hover {
            background: var(--color-accent-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(212, 168, 67, 0.35);
        }
        .nav-dock .title-bar {
            display: none;
            background: transparent;
            padding: 0;
            color: var(--color-primary);
        }
        .nav-dock .menu-icon {
            cursor: pointer;
        }
        .nav-dock .menu-icon::after {
            background: var(--color-primary);
            box-shadow: 0 7px 0 var(--color-primary), 0 14px 0 var(--color-primary);
        }
        .nav-dock .title-bar-title {
            font-weight: 700;
            color: var(--color-primary);
            font-family: var(--font-heading);
        }

        @media screen and (max-width: 1024px) {
            .nav-dock {
                padding: 0 14px;
                height: 56px;
                border-radius: var(--radius-lg);
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
            .nav-brand {
                font-size: 1.15rem;
            }
            .nav-brand .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 0.95rem;
            }
            .nav-cta-btn {
                padding: 7px 14px;
                font-size: 0.8rem;
                border-radius: 18px;
            }
        }
        @media screen and (max-width: 768px) {
            .nav-dock-wrapper {
                padding: 0;
            }
            .nav-dock {
                border-radius: 0;
                max-width: 100%;
                height: auto;
                flex-wrap: wrap;
                padding: 10px 16px;
                justify-content: space-between;
                border-left: none;
                border-right: none;
                border-top: none;
            }
            .nav-dock .nav-links-desktop {
                display: none;
            }
            .nav-dock .nav-cta-desktop {
                display: none;
            }
            .nav-dock .title-bar {
                display: flex;
                align-items: center;
                gap: 8px;
                background: transparent;
                flex-shrink: 0;
            }
            .nav-mobile-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 4px;
                padding: 12px 0 6px;
                border-top: 1px solid var(--color-border-light);
                margin-top: 8px;
            }
            .nav-mobile-menu.is-open {
                display: flex;
            }
            .nav-mobile-menu a {
                display: block;
                padding: 10px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
                font-weight: 500;
                color: var(--color-text);
                transition: all var(--transition-fast);
            }
            .nav-mobile-menu a:hover {
                background: rgba(27, 58, 92, 0.05);
                color: var(--color-primary);
            }
            .nav-mobile-menu a.active {
                background: var(--color-primary);
                color: #fff;
                font-weight: 600;
            }
            .nav-mobile-cta {
                display: block;
                text-align: center;
                padding: 10px 20px;
                border-radius: 22px;
                background: var(--color-accent);
                color: #fff;
                font-weight: 600;
                margin-top: 6px;
            }
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 620px;
            display: flex;
            align-items: center;
            padding: 80px 0 70px;
            margin-top: -80px;
            padding-top: 140px;
            z-index: 0;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(27, 58, 92, 0.88) 0%, rgba(15, 38, 64, 0.82) 40%, rgba(27, 45, 60, 0.78) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.28);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.6px;
            margin-bottom: 18px;
            color: rgba(255, 255, 255, 0.95);
        }
        .hero-title {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0.8px;
            color: #fff;
        }
        .hero-title .highlight {
            color: var(--color-accent-light);
        }
        .hero-desc {
            font-size: 1.1rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            max-width: 680px;
            margin-bottom: 28px;
        }
        .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-hero-primary {
            display: inline-block;
            padding: 13px 32px;
            border-radius: 26px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.5px;
            transition: all var(--transition-fast);
            border: none;
        }
        .btn-hero-primary:hover {
            background: var(--color-accent-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(212, 168, 67, 0.4);
        }
        .btn-hero-outline {
            display: inline-block;
            padding: 13px 32px;
            border-radius: 26px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.5px;
            border: 2px solid rgba(255, 255, 255, 0.55);
            transition: all var(--transition-fast);
        }
        .btn-hero-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
        }

        @media screen and (max-width: 768px) {
            .hero-section {
                min-height: auto;
                padding: 110px 0 50px;
                margin-top: 0;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 11px 22px;
                font-size: 0.9rem;
                border-radius: 22px;
            }
        }

        /* ========== 板块通用 ========== */
        .section-pad {
            padding: 70px 0;
        }
        .section-pad-sm {
            padding: 50px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.8px;
            color: var(--color-accent-dark);
            background: rgba(212, 168, 67, 0.1);
            padding: 5px 14px;
            border-radius: 16px;
            margin-bottom: 10px;
            text-transform: uppercase;
        }
        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }
        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-light);
            max-width: 560px;
            margin: 0 auto;
        }

        @media screen and (max-width: 768px) {
            .section-pad {
                padding: 44px 0;
            }
            .section-pad-sm {
                padding: 32px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .section-header {
                margin-bottom: 28px;
            }
        }

        /* ========== 数据统计卡片 ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--color-accent);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .stat-number {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.5px;
        }
        .stat-number .plus {
            color: var(--color-accent);
            font-size: 1.6rem;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin-top: 6px;
        }
        @media screen and (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }
        @media screen and (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 核心优势卡片 ========== */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .advantage-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 30px 22px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            text-align: center;
            transition: all var(--transition-normal);
        }
        .advantage-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
        }
        .advantage-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(27, 58, 92, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--color-primary);
            transition: all var(--transition-fast);
        }
        .advantage-card:hover .advantage-icon {
            background: var(--color-primary);
            color: #fff;
        }
        .advantage-card h4 {
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 1.08rem;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .advantage-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin: 0;
        }
        @media screen and (max-width: 1024px) {
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media screen and (max-width: 520px) {
            .advantage-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 品牌故事 ========== */
        .brand-story-section {
            background: var(--color-bg-alt);
        }
        .brand-story-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .brand-story-img-wrap {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .brand-story-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .brand-story-text h3 {
            font-family: var(--font-heading);
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .brand-story-text p {
            font-size: 1rem;
            line-height: 1.85;
            color: var(--color-text);
            margin-bottom: 12px;
        }
        @media screen and (max-width: 768px) {
            .brand-story-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .brand-story-text h3 {
                font-size: 1.4rem;
            }
        }

        /* ========== 分类入口卡片 ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .category-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        .category-card .cat-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            display: block;
        }
        .category-card .cat-body {
            padding: 18px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card .cat-body h4 {
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .category-card .cat-body p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            line-height: 1.5;
            margin: 0 0 12px;
            flex: 1;
        }
        .category-card .cat-link {
            display: inline-block;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-accent-dark);
            transition: color var(--transition-fast);
            align-self: flex-start;
        }
        .category-card .cat-link:hover {
            color: var(--color-primary);
        }
        @media screen and (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media screen and (max-width: 520px) {
            .category-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 焦点赛事 ========== */
        .match-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .match-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .match-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .match-card .match-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .match-card .match-info {
            padding: 16px;
        }
        .match-card .match-teams {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            margin-bottom: 4px;
            font-family: var(--font-heading);
        }
        .match-card .match-meta {
            font-size: 0.82rem;
            color: var(--color-text-muted);
        }
        .match-badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--color-red);
            color: #fff;
            margin-bottom: 8px;
        }
        @media screen and (max-width: 768px) {
            .match-cards-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* ========== 用户评价 ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            position: relative;
        }
        .testimonial-card::before {
            content: '\201C';
            font-size: 3rem;
            color: var(--color-accent);
            font-family: Georgia, serif;
            line-height: 1;
            position: absolute;
            top: 16px;
            left: 18px;
            opacity: 0.5;
        }
        .testimonial-card .t-text {
            font-size: 0.95rem;
            line-height: 1.7;
            color: var(--color-text);
            margin-bottom: 14px;
            padding-top: 8px;
        }
        .testimonial-card .t-author {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary);
        }
        .testimonial-card .t-role {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        @media screen and (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-bg-alt);
        }
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .accordion {
            background: transparent;
            border: none;
            border-radius: 0;
        }
        .accordion-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-fast);
        }
        .accordion-item:hover {
            box-shadow: var(--shadow-md);
        }
        .accordion-title {
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            padding: 16px 20px;
            border: none;
            background: #fff;
            cursor: pointer;
            transition: all var(--transition-fast);
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            text-align: left;
            line-height: 1.5;
        }
        .accordion-title:hover {
            color: var(--color-accent-dark);
            background: rgba(212, 168, 67, 0.03);
        }
        .accordion-title::after {
            content: '\f107';
            font-family: 'FontAwesome';
            font-size: 1.1rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .accordion-item.is-active .accordion-title::after {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .accordion-content {
            padding: 0 20px 18px;
            font-size: 0.93rem;
            line-height: 1.75;
            color: var(--color-text-light);
            display: none;
        }
        .accordion-item.is-active .accordion-content {
            display: block;
        }
        .accordion-item.is-active {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
        }

        /* ========== 新闻资讯 ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .news-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .news-card .news-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }
        .news-card .news-body {
            padding: 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .news-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-bottom: 6px;
        }
        .news-card .news-title {
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-card .news-excerpt {
            font-size: 0.85rem;
            color: var(--color-text-light);
            line-height: 1.5;
            flex: 1;
            margin-bottom: 10px;
        }
        .news-card .news-link {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-accent-dark);
            align-self: flex-start;
            transition: color var(--transition-fast);
        }
        .news-card .news-link:hover {
            color: var(--color-primary);
        }
        @media screen and (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media screen and (max-width: 520px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== CTA ========== */
        .cta-section {
            position: relative;
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: 70px 0;
            z-index: 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(27, 58, 92, 0.9) 0%, rgba(15, 38, 64, 0.86) 100%);
            z-index: 1;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
        }
        .cta-content h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .cta-content p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 550px;
            margin: 0 auto 24px;
        }
        .btn-cta-large {
            display: inline-block;
            padding: 14px 38px;
            border-radius: 28px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.5px;
            transition: all var(--transition-fast);
            border: none;
        }
        .btn-cta-large:hover {
            background: #fff;
            color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 50px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
        }
        .footer-brand-name {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-col h4 {
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.4px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 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-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 36px;
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }
        @media screen and (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }
        @media screen and (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 合作伙伴 ========== */
        .partner-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 30px 40px;
            padding: 30px 0;
        }
        .partner-item {
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 1.1rem;
            color: var(--color-text-muted);
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
            text-align: center;
        }
        .partner-item:hover {
            color: var(--color-primary);
        }

        /* ========== 辅助 ========== */
        .bg-alt {
            background: var(--color-bg-alt);
        }
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }

        /* Foundation覆盖 */
        .top-bar,
        .top-bar ul {
            background: transparent;
        }
        .top-bar {
            padding: 0;
        }
        .menu>li>a {
            padding: 8px 14px;
        }
        @media screen and (max-width: 768px) {
            .hide-for-small-only {
                display: none !important;
            }
        }
        @media screen and (min-width: 769px) {
            .show-for-small-only {
                display: none !important;
            }
        }

/* roulang page: category4 */
:root {
            /* 主色体系 */
            --color-primary: #1a3c5e;
            --color-primary-light: #234b75;
            --color-primary-dark: #0f2640;
            --color-accent: #c8963e;
            --color-accent-light: #d4a855;
            --color-accent-dark: #a87a2e;
            --color-secondary: #2d6a4f;
            --color-secondary-light: #3a8a66;

            /* 背景色 */
            --bg-white: #ffffff;
            --bg-light: #f7f8fa;
            --bg-lighter: #fcfcfd;
            --bg-gray: #eef1f5;
            --bg-dark: #0f1f30;
            --bg-dark-secondary: #162d44;

            /* 文字色 */
            --text-primary: #1a1a2e;
            --text-secondary: #4a5568;
            --text-muted: #7b8794;
            --text-light: #a0aec0;
            --text-white: #f0f4f8;
            --text-white-muted: #cbd5e0;

            /* 边框与阴影 */
            --border-light: #e2e8f0;
            --border-medium: #d1d5db;
            --border-accent: rgba(200, 150, 62, 0.35);
            --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, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-accent: 0 4px 20px rgba(200, 150, 62, 0.15);

            /* 圆角 */
            --radius-xs: 4px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;

            /* 间距 */
            --space-xs: 6px;
            --space-sm: 12px;
            --space-md: 20px;
            --space-lg: 32px;
            --space-xl: 48px;
            --space-2xl: 64px;
            --space-3xl: 80px;

            /* 字体 */
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;

            /* 过渡 */
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::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(--text-primary);
            background-color: var(--bg-light);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0 0 0.5em;
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-primary);
        }

        p {
            margin: 0 0 1em;
            color: var(--text-secondary);
        }

        /* ============ 导航 Dock ============ */
        .nav-dock-wrap {
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 12px 16px 0;
            background: transparent;
            pointer-events: none;
        }

        .nav-dock {
            pointer-events: auto;
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: var(--radius-xl);
            padding: 10px 22px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(200, 150, 62, 0.18);
            transition: all var(--transition-normal);
            position: relative;
        }

        .nav-dock:hover {
            box-shadow: var(--shadow-xl);
            border-color: rgba(200, 150, 62, 0.3);
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: 0.3px;
            transition: color var(--transition-fast);
        }

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

        .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
            list-style: none;
            padding: 0;
        }

        .nav-links-desktop li a {
            display: block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }

        .nav-links-desktop li a:hover {
            color: var(--color-primary);
            background: rgba(26, 60, 94, 0.06);
        }

        .nav-links-desktop li a.active {
            color: #fff;
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(26, 60, 94, 0.25);
        }

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

        .nav-cta-btn {
            display: inline-block;
            padding: 10px 20px;
            border-radius: 22px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            white-space: nowrap;
            letter-spacing: 0.3px;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-accent);
        }

        .nav-cta-btn:hover {
            background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
            box-shadow: 0 6px 22px rgba(200, 150, 62, 0.3);
            transform: translateY(-1px);
            color: #fff;
        }

        /* 移动端导航 */
        .title-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            background: transparent;
            color: var(--text-primary);
        }

        .title-bar-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-primary);
        }

        .menu-icon {
            cursor: pointer;
            position: relative;
            width: 28px;
            height: 20px;
            background: transparent;
            border: none;
            padding: 0;
        }

        .menu-icon::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--color-primary);
            box-shadow: 0 8px 0 var(--color-primary), 0 16px 0 var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .nav-mobile-menu {
            display: none;
            position: absolute;
            top: calc(100% + 8px);
            left: 0;
            right: 0;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            padding: 16px 20px;
            flex-direction: column;
            gap: 4px;
            border: 1px solid var(--border-light);
            z-index: 999;
        }

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

        .nav-mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

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

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

        .nav-mobile-cta {
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark)) !important;
            color: #fff !important;
            text-align: center;
            font-weight: 600 !important;
            margin-top: 4px;
        }

        .nav-mobile-cta:hover {
            background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent)) !important;
            color: #fff !important;
        }

        /* ============ 容器 ============ */
        .section-container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section-padding {
            padding: var(--space-2xl) 0;
        }

        .section-padding-lg {
            padding: var(--space-3xl) 0;
        }

        /* ============ 板块标题 ============ */
        .section-header {
            text-align: center;
            margin-bottom: var(--space-xl);
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--color-accent);
            margin-bottom: var(--space-xs);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--space-sm);
            letter-spacing: 0.3px;
        }

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

        /* ============ Hero Banner ============ */
        .hero-banner {
            position: relative;
            min-height: 480px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
            margin-top: -68px;
            padding-top: 90px;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 31, 48, 0.82) 0%, rgba(26, 60, 94, 0.88) 50%, rgba(15, 31, 48, 0.9) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 750px;
            padding: 40px 24px;
            color: #fff;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 24px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1.5px;
            background: rgba(200, 150, 62, 0.2);
            border: 1px solid rgba(200, 150, 62, 0.4);
            color: var(--color-accent-light);
            margin-bottom: var(--space-md);
            text-transform: uppercase;
        }

        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: var(--space-md);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }

        .hero-content h1 span {
            color: var(--color-accent-light);
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-white-muted);
            line-height: 1.8;
            margin-bottom: var(--space-lg);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

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

        .btn-hero-primary {
            display: inline-block;
            padding: 14px 32px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            letter-spacing: 0.4px;
            transition: all var(--transition-slow);
            box-shadow: 0 6px 24px rgba(200, 150, 62, 0.35);
            border: none;
        }

        .btn-hero-primary:hover {
            background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
            box-shadow: 0 10px 32px rgba(200, 150, 62, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-hero-outline {
            display: inline-block;
            padding: 14px 32px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.5);
            letter-spacing: 0.4px;
            transition: all var(--transition-slow);
        }

        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ============ 卡片通用 ============ */
        .card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
            height: 100%;
        }

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

        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: var(--space-md);
            background: rgba(26, 60, 94, 0.08);
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .card-icon.accent {
            background: rgba(200, 150, 62, 0.12);
            color: var(--color-accent-dark);
        }

        .card-icon.secondary {
            background: rgba(45, 106, 79, 0.1);
            color: var(--color-secondary);
        }

        .card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: var(--space-xs);
            color: var(--text-primary);
        }

        .card p {
            font-size: 0.93rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.65;
        }

        .card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            background: rgba(200, 150, 62, 0.1);
            color: var(--color-accent-dark);
            margin-bottom: var(--space-sm);
            letter-spacing: 0.3px;
        }

        /* ============ 投注类型卡片（带图） ============ */
        .bet-type-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .bet-type-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--border-accent);
        }

        .bet-type-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

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

        .bet-type-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .bet-type-card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            flex: 1;
        }

        .bet-type-card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-accent-dark);
            transition: gap var(--transition-fast);
            margin-top: auto;
        }

        .bet-type-card-body .card-link:hover {
            gap: 10px;
            color: var(--color-accent);
        }

        /* ============ 策略板块 ============ */
        .strategy-block {
            display: flex;
            align-items: center;
            gap: var(--space-xl);
            flex-wrap: wrap;
        }

        .strategy-text {
            flex: 1 1 400px;
        }

        .strategy-text h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: var(--space-md);
        }

        .strategy-text p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .strategy-image {
            flex: 1 1 380px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .strategy-image img {
            width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-lg);
        }

        .strategy-list {
            list-style: none;
            padding: 0;
            margin: var(--space-md) 0 0;
        }

        .strategy-list li {
            padding: 10px 0 10px 28px;
            position: relative;
            font-size: 0.95rem;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-light);
        }

        .strategy-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 16px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
        }

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

        /* ============ 误区板块 ============ */
        .mistake-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            border-left: 4px solid #e53e3e;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            height: 100%;
        }

        .mistake-card.warn-orange {
            border-left-color: #ed8936;
        }

        .mistake-card.warn-yellow {
            border-left-color: #ecc94b;
        }

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

        .mistake-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #c53030;
            margin-bottom: 6px;
        }

        .mistake-card.warn-orange h4 {
            color: #c05621;
        }

        .mistake-card.warn-yellow h4 {
            color: #975a16;
        }

        .mistake-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-bottom: 12px;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border-light);
            cursor: pointer;
            transition: all var(--transition-normal);
        }

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

        .faq-item summary {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            outline: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-answer {
            padding-top: 12px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.75;
            border-top: 1px solid var(--border-light);
            margin-top: 12px;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
            border-radius: var(--radius-2xl);
            padding: 48px 36px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            margin: 0 16px;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.12);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: -30px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.08);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-sm);
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            color: var(--text-white-muted);
            max-width: 500px;
            margin: 0 auto var(--space-lg);
            position: relative;
            z-index: 1;
            font-size: 1rem;
        }

        .cta-btn-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
            position: relative;
            z-index: 1;
        }

        .btn-cta-primary {
            display: inline-block;
            padding: 13px 30px;
            border-radius: 26px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary-dark);
            background: #fff;
            letter-spacing: 0.3px;
            transition: all var(--transition-slow);
            box-shadow: var(--shadow-md);
            border: none;
        }

        .btn-cta-primary:hover {
            background: var(--color-accent-light);
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .btn-cta-outline {
            display: inline-block;
            padding: 13px 30px;
            border-radius: 26px;
            font-weight: 600;
            font-size: 1rem;
            color: #fff;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.5);
            letter-spacing: 0.3px;
            transition: all var(--transition-slow);
        }

        .btn-cta-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-white-muted);
            padding: var(--space-2xl) 0 var(--space-lg);
            margin-top: var(--space-3xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: var(--space-xl);
            margin-bottom: var(--space-xl);
        }

        .footer-brand-name {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.4px;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.3px;
        }

        .footer-col ul li {
            margin-bottom: 6px;
        }

        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--text-light);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--space-md);
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-light);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .section-title {
                font-size: 1.7rem;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .hero-banner {
                min-height: 400px;
                background-attachment: scroll;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-lg);
            }
            .strategy-block {
                flex-direction: column;
            }
            .strategy-image {
                flex: 1 1 auto;
                order: -1;
            }
            .nav-links-desktop {
                gap: 2px;
            }
            .nav-links-desktop li a {
                padding: 7px 10px;
                font-size: 0.82rem;
            }
            .nav-cta-desktop {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 768px) {
            .nav-dock {
                padding: 10px 16px;
            }
            .nav-dock-wrap {
                padding: 8px 10px 0;
            }
            .hero-banner {
                min-height: 360px;
                margin-top: -56px;
                padding-top: 70px;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-padding {
                padding: var(--space-xl) 0;
            }
            .section-padding-lg {
                padding: var(--space-2xl) 0;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-md);
            }
            .cta-section {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
                margin: 0 8px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .card {
                padding: 20px 16px;
            }
            .bet-type-card-img {
                height: 160px;
            }
            .faq-item {
                padding: 16px 18px;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .hero-banner {
                min-height: 320px;
            }
            .hero-desc {
                font-size: 0.88rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 11px 22px;
                font-size: 0.9rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
            .section-title {
                font-size: 1.3rem;
            }
            .bet-type-card-img {
                height: 140px;
            }
            .cta-section {
                padding: 28px 16px;
                margin: 0 4px;
            }
            .strategy-text h2 {
                font-size: 1.3rem;
            }
            .faq-item summary {
                font-size: 0.95rem;
            }
        }

        /* 辅助类 */
        .text-accent {
            color: var(--color-accent);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-auto {
            margin-top: auto;
        }
        .text-center {
            text-align: center;
        }

        /* 背景色板块 */
        .bg-white-section {
            background: var(--bg-white);
        }
        .bg-light-section {
            background: var(--bg-light);
        }
        .bg-dark-section {
            background: var(--bg-dark);
            color: var(--text-white-muted);
        }

/* roulang page: category5 */
/* ============================================
           设计变量体系
           ============================================ */
        :root {
            --color-primary: #0d2b4a;
            --color-primary-light: #153e66;
            --color-primary-dark: #091e35;
            --color-accent: #c8963e;
            --color-accent-light: #d9a94e;
            --color-accent-dark: #a87a2e;
            --color-accent-glow: #e8c36a;
            --color-bg: #f7f5f1;
            --color-bg-white: #ffffff;
            --color-bg-card: #ffffff;
            --color-bg-alt: #eef1f5;
            --color-bg-dark: #0d2b4a;
            --color-text: #1a1a1a;
            --color-text-secondary: #4a4a4a;
            --color-text-muted: #6b7280;
            --color-text-light: #9ca3af;
            --color-text-on-dark: #e8e8e8;
            --color-text-on-accent: #1a1a1a;
            --color-border: #e0dcd4;
            --color-border-light: #ece8df;
            --color-border-card: #e8e4db;
            --color-success: #2d7d46;
            --color-warning: #c8963e;
            --color-danger: #c0392b;
            --color-info: #2c6faa;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --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 6px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.11);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.14);
            --shadow-nav: 0 2px 18px rgba(0, 0, 0, 0.09);
            --shadow-card-hover: 0 10px 30px rgba(0, 0, 0, 0.12);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            --spacing-xs: 6px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-2xl: 64px;
            --spacing-3xl: 80px;
            --nav-height: 62px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
        }

        /* ============================================
           基础 Reset 与全局样式
           ============================================ */
        *,
        *::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;
        }

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

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

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin-top: 0;
            line-height: 1.35;
            color: var(--color-primary-dark);
            font-weight: 700;
        }

        h1 {
            font-size: 2.6rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.45rem;
        }
        h4 {
            font-size: 1.2rem;
        }

        p {
            margin-top: 0;
            margin-bottom: 1rem;
        }

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

        /* ============================================
           容器与布局
           ============================================ */
        .section-container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section-padding {
            padding-top: var(--spacing-2xl);
            padding-bottom: var(--spacing-2xl);
        }

        .section-padding-sm {
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
        }

        .section-padding-lg {
            padding-top: var(--spacing-3xl);
            padding-bottom: var(--spacing-3xl);
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }

        .section-header h2 {
            margin-bottom: var(--spacing-sm);
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            display: block;
            width: 56px;
            height: 3px;
            background: var(--color-accent);
            margin: 14px auto 0;
            border-radius: 2px;
        }

        .section-header .section-subtitle {
            color: var(--color-text-muted);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
            margin-top: 8px;
        }

        /* ============================================
           导航系统 - 浮动Dock
           ============================================ */
        .nav-dock-wrapper {
            position: sticky;
            top: 16px;
            z-index: 1000;
            padding: 0 16px;
            pointer-events: none;
        }

        .nav-dock {
            max-width: 1100px;
            margin: 0 auto;
            background: var(--color-bg-white);
            border-radius: var(--radius-full);
            padding: 8px 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: var(--shadow-nav);
            border: 1px solid var(--color-border-light);
            pointer-events: auto;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            transition: box-shadow var(--transition-base);
            position: relative;
        }

        .nav-dock:hover {
            box-shadow: var(--shadow-lg);
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 9px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--color-primary-dark);
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }

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

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

        .nav-brand:hover .brand-icon {
            background: var(--color-accent-dark);
            transform: rotate(-12deg) scale(1.06);
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-links-desktop li a {
            display: inline-block;
            padding: 9px 15px;
            border-radius: var(--radius-full);
            font-size: 0.94rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            text-decoration: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links-desktop li a:hover {
            color: var(--color-accent);
            background: rgba(200, 150, 62, 0.06);
        }

        .nav-links-desktop li a.active {
            color: #fff;
            background: var(--color-accent);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(200, 150, 62, 0.3);
        }

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

        .nav-cta-btn {
            display: inline-block;
            padding: 10px 20px;
            background: var(--color-primary);
            color: #fff !important;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            text-decoration: none;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(13, 43, 74, 0.25);
        }

        .nav-cta-btn:hover {
            background: var(--color-primary-light);
            box-shadow: 0 4px 14px rgba(13, 43, 74, 0.35);
            transform: translateY(-1px);
            color: #fff !important;
        }

        /* 移动端导航 */
        .title-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: transparent;
            padding: 0;
            color: var(--color-primary-dark);
        }

        .title-bar-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-primary-dark);
        }

        .menu-icon {
            cursor: pointer;
            position: relative;
            width: 28px;
            height: 22px;
            background: transparent;
            border: none;
            padding: 0;
        }

        .menu-icon::after {
            content: '';
            position: absolute;
            top: 3px;
            left: 0;
            width: 100%;
            height: 2.5px;
            background: var(--color-primary-dark);
            border-radius: 2px;
            box-shadow: 0 7px 0 var(--color-primary-dark), 0 14px 0 var(--color-primary-dark);
            transition: all var(--transition-fast);
        }

        .nav-mobile-menu {
            display: none;
            flex-direction: column;
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 14px 10px;
            margin-top: 8px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border-light);
            gap: 2px;
        }

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

        .nav-mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-weight: 500;
            color: var(--color-text-secondary);
            text-decoration: none;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

        .nav-mobile-menu a:hover {
            background: rgba(200, 150, 62, 0.06);
            color: var(--color-accent);
        }

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

        .nav-mobile-cta {
            background: var(--color-primary) !important;
            color: #fff !important;
            text-align: center;
            font-weight: 600 !important;
            margin-top: 6px;
        }

        .nav-mobile-cta:hover {
            background: var(--color-primary-light) !important;
            color: #fff !important;
        }

        /* ============================================
           Hero Banner
           ============================================ */
        .hero-banner {
            position: relative;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            border-radius: var(--radius-xl);
            overflow: hidden;
            margin: 24px 0 0;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 43, 74, 0.88) 0%, rgba(13, 43, 74, 0.65) 50%, rgba(9, 30, 53, 0.78) 100%);
            z-index: 1;
        }

        .hero-banner-content {
            position: relative;
            z-index: 2;
            padding: 50px 40px;
            max-width: 700px;
            color: #fff;
        }

        .hero-banner-content .hero-tag {
            display: inline-block;
            background: var(--color-accent);
            color: var(--color-text-on-accent);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .hero-banner-content h1 {
            color: #fff;
            font-size: 2.8rem;
            margin-bottom: 14px;
            line-height: 1.2;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }

        .hero-banner-content p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.1rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .hero-stats-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 16px;
        }

        .hero-stat-item {
            text-align: center;
        }

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

        .hero-stat-item .stat-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4px;
        }

        /* ============================================
           数据概览卡片
           ============================================ */
        .data-cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .data-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            border: 1px solid var(--color-border-card);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .data-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
        }

        .data-card .card-icon-circle {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.3rem;
            color: #fff;
        }

        .data-card .card-icon-circle.icon-blue {
            background: var(--color-primary);
        }
        .data-card .card-icon-circle.icon-gold {
            background: var(--color-accent);
        }
        .data-card .card-icon-circle.icon-teal {
            background: #1a7a5a;
        }
        .data-card .card-icon-circle.icon-navy {
            background: #1e3d5c;
        }

        .data-card .card-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary-dark);
            line-height: 1;
            margin-bottom: 4px;
        }

        .data-card .card-value .unit {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-text-muted);
        }

        .data-card .card-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        .data-card .card-change {
            display: inline-block;
            margin-top: 6px;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-full);
        }

        .data-card .card-change.up {
            background: #e6f4ea;
            color: #1a6b35;
        }
        .data-card .card-change.down {
            background: #fce4e4;
            color: #b53030;
        }
        .data-card .card-change.neutral {
            background: #fef3e0;
            color: #8a5d1a;
        }

        /* ============================================
           内容区块 - 图文解读
           ============================================ */
        .content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            margin-bottom: var(--spacing-xl);
        }

        .content-block.reverse {
            direction: rtl;
        }
        .content-block.reverse .content-block-text {
            direction: ltr;
        }
        .content-block.reverse .content-block-image {
            direction: ltr;
        }

        .content-block-text h3 {
            font-size: 1.6rem;
            margin-bottom: 12px;
            color: var(--color-primary-dark);
        }

        .content-block-text .accent-line {
            width: 48px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-bottom: 16px;
        }

        .content-block-text p {
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }

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

        .content-block-image img {
            width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-lg);
            transition: transform var(--transition-slow);
        }

        .content-block-image:hover img {
            transform: scale(1.03);
        }

        .highlight-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 10px;
        }

        .highlight-tag {
            display: inline-block;
            padding: 5px 14px;
            background: rgba(200, 150, 62, 0.1);
            color: var(--color-accent-dark);
            border-radius: var(--radius-full);
            font-size: 0.84rem;
            font-weight: 500;
            border: 1px solid rgba(200, 150, 62, 0.2);
        }

        /* ============================================
           趋势追踪列表
           ============================================ */
        .trend-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .trend-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            border: 1px solid var(--color-border-card);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-fast);
        }

        .trend-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--color-border);
            transform: translateX(3px);
        }

        .trend-indicator {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        .trend-indicator.rising {
            background: #2d7d46;
            box-shadow: 0 0 8px rgba(45, 125, 70, 0.4);
        }
        .trend-indicator.falling {
            background: #c0392b;
            box-shadow: 0 0 8px rgba(192, 57, 43, 0.4);
        }
        .trend-indicator.stable {
            background: #c8963e;
            box-shadow: 0 0 8px rgba(200, 150, 62, 0.4);
        }

        .trend-info {
            flex: 1;
            min-width: 0;
        }

        .trend-info .trend-title {
            font-weight: 600;
            color: var(--color-primary-dark);
            font-size: 0.95rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .trend-info .trend-detail {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin-top: 2px;
        }

        .trend-value {
            font-weight: 700;
            font-size: 1.1rem;
            white-space: nowrap;
            font-variant-numeric: tabular-nums;
            font-family: var(--font-mono);
        }

        .trend-value.positive {
            color: #2d7d46;
        }
        .trend-value.negative {
            color: #c0392b;
        }
        .trend-value.neutral {
            color: #c8963e;
        }

        /* ============================================
           专家卡片
           ============================================ */
        .expert-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .expert-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            border: 1px solid var(--color-border-card);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
        }

        .expert-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
        }

        .expert-avatar {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.8rem;
            color: var(--color-accent);
            border: 3px solid var(--color-accent);
            overflow: hidden;
        }

        .expert-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 50%;
        }

        .expert-card h4 {
            font-size: 1.1rem;
            margin-bottom: 4px;
            color: var(--color-primary-dark);
        }

        .expert-card .expert-title {
            font-size: 0.82rem;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: 10px;
        }

        .expert-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* ============================================
           FAQ
           ============================================ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

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

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

        .faq-question:hover {
            background: rgba(200, 150, 62, 0.03);
        }

        .faq-question .faq-icon {
            font-size: 0.85rem;
            color: var(--color-accent);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            margin-left: 12px;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 22px;
            color: var(--color-text-secondary);
            font-size: 0.93rem;
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }

        /* ============================================
           CTA 区块
           ============================================ */
        .cta-section {
            background: var(--color-bg-dark);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.12);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.08);
            pointer-events: none;
        }

        .cta-section h3 {
            color: #fff;
            font-size: 1.8rem;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            font-size: 1.05rem;
        }

        .btn-cta {
            display: inline-block;
            padding: 13px 32px;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            text-decoration: none;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.4);
            position: relative;
            z-index: 1;
            border: none;
            cursor: pointer;
        }

        .btn-cta:hover {
            background: var(--color-accent-light);
            box-shadow: 0 6px 22px rgba(200, 150, 62, 0.55);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline-light {
            display: inline-block;
            padding: 12px 28px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            text-decoration: none;
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
            margin-left: 12px;
        }

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

        /* ============================================
           页脚
           ============================================ */
        .site-footer {
            background: var(--color-primary-dark);
            color: var(--color-text-on-dark);
            padding: 50px 0 30px;
            margin-top: var(--spacing-2xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
        }

        .footer-col .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-col .footer-desc {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 14px;
            font-weight: 600;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            text-align: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.85rem;
        }

        /* ============================================
           通用组件
           ============================================ */
        .badge-accent {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 3px 12px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .badge-outline {
            display: inline-block;
            border: 1.5px solid var(--color-accent);
            color: var(--color-accent);
            padding: 3px 12px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 600;
        }

        .divider {
            width: 60px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin: 16px 0;
        }

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

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

        .mt-0 {
            margin-top: 0;
        }
        .mt-sm {
            margin-top: var(--spacing-sm);
        }
        .mt-md {
            margin-top: var(--spacing-md);
        }
        .mt-lg {
            margin-top: var(--spacing-lg);
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mb-md {
            margin-bottom: var(--spacing-md);
        }
        .mb-lg {
            margin-bottom: var(--spacing-lg);
        }

        /* ============================================
           响应式断点
           ============================================ */
        @media screen and (max-width: 1024px) {
            h1 {
                font-size: 2.1rem;
            }
            h2 {
                font-size: 1.65rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .hero-banner {
                min-height: 340px;
                border-radius: var(--radius-lg);
                margin-top: 16px;
            }
            .hero-banner-content {
                padding: 36px 28px;
            }
            .hero-banner-content h1 {
                font-size: 2.2rem;
            }
            .data-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .content-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .content-block.reverse {
                direction: ltr;
            }
            .expert-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .hero-stats-row {
                gap: 18px;
            }
            .hero-stat-item .stat-number {
                font-size: 1.5rem;
            }
            .cta-section {
                padding: 36px 24px;
                border-radius: var(--radius-lg);
            }
            .cta-section h3 {
                font-size: 1.5rem;
            }
            .section-padding {
                padding-top: var(--spacing-xl);
                padding-bottom: var(--spacing-xl);
            }
            .section-padding-lg {
                padding-top: var(--spacing-2xl);
                padding-bottom: var(--spacing-2xl);
            }
        }

        @media screen and (max-width: 768px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.45rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .nav-dock {
                border-radius: var(--radius-lg);
                padding: 8px 14px;
            }
            .nav-brand {
                font-size: 1rem;
            }
            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
            .hero-banner {
                min-height: 280px;
                border-radius: var(--radius-md);
                margin-top: 10px;
                background-position: 65% center;
            }
            .hero-banner-content {
                padding: 28px 18px;
            }
            .hero-banner-content h1 {
                font-size: 1.7rem;
            }
            .hero-banner-content p {
                font-size: 0.95rem;
            }
            .hero-stats-row {
                gap: 12px;
            }
            .hero-stat-item .stat-number {
                font-size: 1.3rem;
            }
            .hero-stat-item .stat-label {
                font-size: 0.72rem;
            }
            .data-cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .data-card {
                padding: 18px 14px;
            }
            .data-card .card-value {
                font-size: 1.5rem;
            }
            .content-block {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .content-block-text h3 {
                font-size: 1.3rem;
            }
            .expert-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .cta-section {
                padding: 28px 18px;
                border-radius: var(--radius-md);
            }
            .cta-section h3 {
                font-size: 1.3rem;
            }
            .cta-section p {
                font-size: 0.9rem;
            }
            .btn-cta {
                padding: 11px 24px;
                font-size: 0.9rem;
            }
            .btn-outline-light {
                padding: 10px 22px;
                font-size: 0.85rem;
                margin-left: 6px;
            }
            .trend-item {
                padding: 12px 14px;
                gap: 10px;
            }
            .trend-info .trend-title {
                font-size: 0.88rem;
            }
            .trend-value {
                font-size: 0.95rem;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
            .section-padding {
                padding-top: var(--spacing-lg);
                padding-bottom: var(--spacing-lg);
            }
            .section-padding-lg {
                padding-top: var(--spacing-xl);
                padding-bottom: var(--spacing-xl);
            }
            .section-container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .nav-dock-wrapper {
                top: 8px;
                padding: 0 8px;
            }
        }

        @media screen and (max-width: 520px) {
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .hero-banner {
                min-height: 240px;
                border-radius: var(--radius-sm);
            }
            .hero-banner-content {
                padding: 20px 14px;
            }
            .hero-banner-content h1 {
                font-size: 1.4rem;
            }
            .hero-banner-content p {
                font-size: 0.85rem;
            }
            .hero-stats-row {
                gap: 10px;
            }
            .hero-stat-item .stat-number {
                font-size: 1.1rem;
            }
            .data-cards-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .data-card {
                padding: 16px 12px;
            }
            .expert-grid {
                grid-template-columns: 1fr;
            }
            .trend-item {
                flex-wrap: wrap;
                gap: 8px;
            }
            .btn-outline-light {
                display: block;
                margin-left: 0;
                margin-top: 10px;
                text-align: center;
            }
            .cta-section {
                padding: 22px 14px;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .section-header .section-subtitle {
                font-size: 0.9rem;
            }
            .highlight-tag-list {
                gap: 5px;
            }
            .highlight-tag {
                font-size: 0.75rem;
                padding: 4px 10px;
            }
        }

        /* ============================================
           Foundation 覆盖与辅助
           ============================================ */
        .grid-container {
            max-width: 1200px;
        }

        .show-for-small-only {
            display: none !important;
        }
        .hide-for-small-only {
            display: block;
        }

        @media screen and (max-width: 639px) {
            .show-for-small-only {
                display: block !important;
            }
            .hide-for-small-only {
                display: none !important;
            }
            .nav-dock {
                flex-wrap: wrap;
                padding: 10px 14px;
                border-radius: var(--radius-lg);
            }
            .nav-dock .nav-links-desktop,
            .nav-dock .nav-cta-desktop {
                display: none !important;
            }
            .nav-dock .title-bar {
                width: 100%;
            }
            .nav-mobile-menu {
                width: 100%;
            }
        }

        /* 平滑滚动偏移 */
        .section-anchor {
            scroll-margin-top: 90px;
        }

/* roulang page: category3 */
:root {
            --color-primary: #1a2942;
            --color-primary-light: #243656;
            --color-accent: #c8943e;
            --color-accent-hover: #d4a54f;
            --color-accent-light: #f5e6cc;
            --color-bg: #f8f7f4;
            --color-white: #ffffff;
            --color-surface: #ffffff;
            --color-text: #1e1e1e;
            --color-text-secondary: #5a5a5a;
            --color-text-muted: #8a8a8a;
            --color-border: #e5e2db;
            --color-border-light: #f0ede6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-dock: 40px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 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);
            --shadow-dock: 0 4px 24px rgba(26, 41, 66, 0.13);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 56px;
            --spacing-2xl: 72px;
            --spacing-3xl: 96px;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1200px;
            --nav-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: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            padding-top: calc(var(--nav-height) + 20px);
        }

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

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

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

        ul {
            list-style: none;
        }

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

        .grid-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: var(--spacing-md);
            padding-right: var(--spacing-md);
        }

        @media (max-width: 640px) {
            .grid-container {
                padding-left: var(--spacing-sm);
                padding-right: var(--spacing-sm);
            }
        }

        /* ============ NAVIGATION - FLOATING DOCK ============ */
        .nav-dock-wrapper {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 12px 20px;
            pointer-events: none;
        }

        .nav-dock {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--max-width);
            margin: 0 auto;
            background: var(--color-white);
            border-radius: var(--radius-dock);
            padding: 10px 22px;
            box-shadow: var(--shadow-dock);
            pointer-events: auto;
            min-height: 54px;
            border: 1px solid var(--color-border-light);
            position: relative;
            z-index: 1001;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 9px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
        }

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

        .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            color: var(--color-accent);
            border-radius: 50%;
            font-size: 1rem;
            flex-shrink: 0;
        }

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

        .nav-links li a {
            display: block;
            padding: 8px 15px;
            border-radius: 24px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }

        .nav-links li a:hover {
            color: var(--color-primary);
            background: #f4f2ec;
        }

        .nav-links li a.active {
            color: var(--color-white);
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(26, 41, 66, 0.25);
        }

        .nav-cta-btn {
            display: inline-block;
            padding: 9px 20px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--color-accent);
            color: #fff;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
            box-shadow: 0 2px 8px rgba(200, 148, 62, 0.3);
        }

        .nav-cta-btn:hover {
            background: var(--color-accent-hover);
            color: #fff;
            box-shadow: 0 4px 14px rgba(200, 148, 62, 0.4);
            transform: translateY(-1px);
        }

        /* Foundation title-bar override */
        .nav-dock .title-bar {
            background: transparent;
            color: var(--color-text);
            padding: 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .nav-dock .title-bar-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-primary);
        }

        .nav-dock .menu-icon {
            cursor: pointer;
            position: relative;
        }

        .nav-dock .menu-icon::after {
            background: var(--color-primary);
            box-shadow: 0 7px 0 var(--color-primary), 0 14px 0 var(--color-primary);
        }

        .nav-mobile-menu {
            display: none;
            flex-direction: column;
            gap: 2px;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 12px;
            margin-top: 8px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border-light);
        }

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

        .nav-mobile-menu a {
            display: block;
            padding: 10px 16px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
        }

        .nav-mobile-menu a:hover {
            background: #f4f2ec;
            color: var(--color-primary);
        }

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

        .nav-mobile-cta {
            background: var(--color-accent) !important;
            color: #fff !important;
            text-align: center;
            font-weight: 600 !important;
            border-radius: 24px !important;
            margin-top: 6px;
        }

        @media (max-width: 768px) {
            .nav-dock-wrapper {
                padding: 8px 10px;
            }
            .nav-dock {
                border-radius: var(--radius-lg);
                padding: 10px 16px;
                min-height: 48px;
            }
            body {
                padding-top: calc(var(--nav-height) + 10px);
            }
        }

        /* ============ PAGE BANNER ============ */
        .page-banner {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
            background: var(--color-primary);
            margin-bottom: var(--spacing-xl);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 41, 66, 0.88) 0%, rgba(26, 41, 66, 0.65) 50%, rgba(26, 41, 66, 0.78) 100%);
            z-index: 1;
        }

        .page-banner-content {
            position: relative;
            z-index: 2;
            padding: var(--spacing-xl) var(--spacing-lg);
            color: #fff;
            max-width: 700px;
        }

        .page-banner .banner-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.6px;
            margin-bottom: var(--spacing-sm);
        }

        .page-banner h1 {
            font-size: 2.4rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
            line-height: 1.25;
            font-family: var(--font-heading);
        }

        .page-banner .banner-desc {
            font-size: 1.05rem;
            line-height: 1.65;
            opacity: 0.92;
            max-width: 560px;
        }

        @media (max-width: 768px) {
            .page-banner {
                min-height: 220px;
                border-radius: var(--radius-lg);
            }
            .page-banner-content {
                padding: var(--spacing-lg) var(--spacing-md);
            }
            .page-banner h1 {
                font-size: 1.7rem;
            }
            .page-banner .banner-desc {
                font-size: 0.95rem;
            }
        }

        /* ============ SECTION TITLES ============ */
        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-lg);
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: var(--spacing-xs);
        }

        .section-header h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-xs);
            font-family: var(--font-heading);
            letter-spacing: 0.4px;
        }

        .section-header .section-subtitle {
            color: var(--color-text-secondary);
            font-size: 0.98rem;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .section-header h2 {
                font-size: 1.5rem;
            }
        }

        /* ============ SECTION SPACING ============ */
        .page-section {
            padding: var(--spacing-xl) 0;
        }

        @media (max-width: 768px) {
            .page-section {
                padding: var(--spacing-lg) 0;
            }
        }

        /* ============ BETTING TYPE CARDS ============ */
        .betting-type-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .betting-type-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-md);
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

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

        .betting-type-card .card-icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-sm);
            font-size: 1.4rem;
            color: var(--color-accent);
            transition: all var(--transition-base);
        }

        .betting-type-card:hover .card-icon-wrap {
            background: var(--color-accent);
            color: #fff;
            transform: scale(1.06);
        }

        .betting-type-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
            font-family: var(--font-heading);
        }

        .betting-type-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.55;
            margin: 0;
        }

        .betting-type-card .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            background: #f0ede6;
            color: var(--color-text-muted);
            padding: 3px 10px;
            border-radius: 12px;
            margin-top: 10px;
            letter-spacing: 0.3px;
        }

        @media (max-width: 1024px) {
            .betting-type-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .betting-type-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ============ STRATEGY CARDS ============ */
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

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

        .strategy-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .strategy-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

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

        .strategy-card:hover .strategy-card-img img {
            transform: scale(1.05);
        }

        .strategy-card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .strategy-card-body h3 {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            font-family: var(--font-heading);
            line-height: 1.35;
        }

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

        .strategy-card-body .strategy-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 12px;
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        .strategy-card-body .strategy-meta i {
            color: var(--color-accent);
        }

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

        @media (max-width: 520px) {
            .strategy-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ============ STEPS / PROCESS ============ */
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
            max-width: 800px;
            margin: 0 auto;
        }

        .step-item {
            display: flex;
            gap: var(--spacing-md);
            align-items: flex-start;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

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

        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            letter-spacing: 0.5px;
        }

        .step-content h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
            font-family: var(--font-heading);
        }

        .step-content p {
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        @media (max-width: 520px) {
            .step-item {
                flex-direction: column;
                text-align: center;
            }
            .step-number {
                margin: 0 auto;
            }
        }

        /* ============ STATS ROW ============ */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .stat-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-md);
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

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

        .stat-card .stat-icon {
            font-size: 1.8rem;
            color: var(--color-accent);
            margin-bottom: 8px;
        }

        .stat-card .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            font-family: var(--font-heading);
        }

        .stat-card .stat-label {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 420px) {
            .stats-row {
                grid-template-columns: 1fr;
            }
        }

        /* ============ FAQ ============ */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

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

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

        .faq-question {
            padding: var(--spacing-md);
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: color var(--transition-fast);
            font-family: var(--font-heading);
            letter-spacing: 0.3px;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #f4f2ec;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
        }

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

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 var(--spacing-md) var(--spacing-md);
        }

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

        .faq-answer p {
            font-size: 0.93rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: var(--color-primary);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(26, 41, 66, 0.82);
            z-index: 1;
        }

        .cta-section>* {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            font-family: var(--font-heading);
            letter-spacing: 0.4px;
        }

        .cta-section p {
            font-size: 1rem;
            opacity: 0.9;
            margin-bottom: var(--spacing-md);
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .btn-cta-large {
            display: inline-block;
            padding: 13px 32px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            background: var(--color-accent);
            color: #fff;
            transition: all var(--transition-base);
            letter-spacing: 0.4px;
            box-shadow: 0 4px 16px rgba(200, 148, 62, 0.4);
        }

        .btn-cta-large:hover {
            background: var(--color-accent-hover);
            color: #fff;
            box-shadow: 0 6px 24px rgba(200, 148, 62, 0.5);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: var(--spacing-lg) var(--spacing-md);
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
        }

        /* ============ RELATED ARTICLES ============ */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

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

        .related-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .related-card-img {
            height: 160px;
            overflow: hidden;
        }

        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .related-card:hover .related-card-img img {
            transform: scale(1.05);
        }

        .related-card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-card-body .related-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-bottom: 6px;
        }

        .related-card-body h3 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
            line-height: 1.4;
            font-family: var(--font-heading);
        }

        .related-card-body p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.55;
            flex: 1;
        }

        .related-card-body .read-more {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            margin-top: 10px;
            transition: gap var(--transition-fast);
        }

        .related-card-body .read-more:hover {
            gap: 9px;
            color: var(--color-accent-hover);
        }

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

        @media (max-width: 520px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--color-primary);
            color: #cfd5de;
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: var(--spacing-2xl);
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-xs);
            letter-spacing: 0.5px;
            font-family: var(--font-heading);
        }

        .footer-desc {
            line-height: 1.7;
            opacity: 0.75;
            font-size: 0.88rem;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.4px;
            font-family: var(--font-heading);
        }

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

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

        .footer-col ul li a {
            color: #b0b9c6;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
            display: inline-block;
            padding: 2px 0;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--spacing-md);
            text-align: center;
            font-size: 0.82rem;
            opacity: 0.7;
        }

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

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ============ UTILITY ============ */
        .text-accent {
            color: var(--color-accent);
        }
        .text-primary {
            color: var(--color-primary);
        }
        .bg-light {
            background: #faf9f6;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }

/* roulang page: category1 */
:root {
            --color-primary: #0f2940;
            --color-primary-light: #1a3f5c;
            --color-accent: #c8903e;
            --color-accent-light: #d4a853;
            --color-accent-dark: #a8782e;
            --color-bg: #f6f7fa;
            --color-bg-alt: #eef0f4;
            --color-surface: #ffffff;
            --color-text: #1a1a1c;
            --color-text-weak: #6b7280;
            --color-text-muted: #9ca3af;
            --color-border: #e2e5ea;
            --color-border-light: #eff1f5;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --shadow-xs: 0 1px 2px rgba(15, 41, 64, 0.04);
            --shadow-sm: 0 2px 8px rgba(15, 41, 64, 0.06);
            --shadow-md: 0 4px 16px rgba(15, 41, 64, 0.09);
            --shadow-lg: 0 8px 32px rgba(15, 41, 64, 0.12);
            --shadow-xl: 0 12px 40px rgba(15, 41, 64, 0.16);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --section-gap: 64px;
            --section-gap-mobile: 40px;
            --nav-height: 64px;
            --container-max: 1200px;
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button {
            font-family: inherit;
            cursor: pointer;
        }
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-primary);
        }

        p {
            margin: 0 0 1em;
        }
        p:last-child {
            margin-bottom: 0;
        }

        .grid-container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== 导航 Dock ========== */
        .nav-dock-wrapper {
            position: sticky;
            top: 16px;
            z-index: 1000;
            padding: 0 16px;
            pointer-events: none;
        }
        .nav-dock {
            max-width: 1100px;
            margin: 0 auto;
            background: var(--color-surface);
            border-radius: var(--radius-full);
            box-shadow: var(--shadow-lg);
            padding: 6px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            pointer-events: auto;
            border: 1px solid var(--color-border-light);
            transition: box-shadow var(--transition-base);
            position: relative;
        }
        .nav-dock:hover {
            box-shadow: var(--shadow-xl);
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 9px;
            font-weight: 700;
            font-size: 1.18rem;
            color: var(--color-primary);
            white-space: nowrap;
            padding: 6px 4px;
            flex-shrink: 0;
            transition: color var(--transition-fast);
            text-decoration: none;
        }
        .nav-brand:hover {
            color: var(--color-accent);
        }
        .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            color: #fff;
            border-radius: 50%;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .nav-links-desktop li a {
            display: inline-block;
            padding: 8px 15px;
            border-radius: var(--radius-full);
            font-size: 0.94rem;
            font-weight: 500;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }
        .nav-links-desktop li a:hover {
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }
        .nav-links-desktop li a.active {
            color: #fff;
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }
        .nav-links-desktop li a.active:hover {
            background: var(--color-primary-light);
            color: #fff;
        }
        .nav-cta-btn {
            display: inline-block;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff !important;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-base);
            box-shadow: 0 2px 10px rgba(200, 144, 62, 0.35);
            text-decoration: none;
            letter-spacing: 0.3px;
        }
        .nav-cta-btn:hover {
            background: linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-accent) 100%);
            box-shadow: 0 4px 18px rgba(200, 144, 62, 0.5);
            transform: translateY(-1px);
            color: #fff !important;
        }

        /* 移动端导航 */
        .title-bar {
            background: transparent;
            padding: 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            color: var(--color-primary);
        }
        .title-bar-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-primary);
        }
        .menu-icon {
            cursor: pointer;
            position: relative;
            width: 24px;
            height: 20px;
            background: transparent;
            border: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .menu-icon::after {
            display: none;
            content: '';
        }
        .menu-icon span,
        .menu-icon::before,
        .menu-icon::after {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .menu-icon span {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
        }
        .menu-icon::before {
            content: '';
            position: absolute;
            top: 0;
        }
        .menu-icon::after {
            content: '';
            position: absolute;
            bottom: 0;
        }

        .nav-mobile-menu {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            padding: 16px 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
            margin-top: 12px;
            border: 1px solid var(--color-border-light);
        }
        .nav-mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
            text-decoration: none;
        }
        .nav-mobile-menu a:hover {
            background: var(--color-bg-alt);
            color: var(--color-primary);
        }
        .nav-mobile-menu a.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }
        .nav-mobile-cta {
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%) !important;
            color: #fff !important;
            font-weight: 600 !important;
            text-align: center;
            margin-top: 8px;
            border-radius: var(--radius-full) !important;
        }
        .nav-mobile-cta:hover {
            opacity: 0.9;
            background: linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-accent) 100%) !important;
        }

        /* ========== 页面 Hero ========== */
        .page-hero {
            position: relative;
            padding: 80px 0 70px;
            background: linear-gradient(160deg, #0f2940 0%, #1a3f5c 40%, #1e4a6e 100%);
            overflow: hidden;
            margin-top: -28px;
            z-index: 0;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--color-bg) 0%, transparent 100%);
            z-index: 1;
        }
        .page-hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero-badge {
            display: inline-block;
            padding: 6px 18px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-full);
            color: #f0d78c;
            font-size: 0.88rem;
            font-weight: 500;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .page-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .page-hero .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 650px;
            margin: 0 auto 20px;
            line-height: 1.7;
        }
        .page-hero-meta {
            display: flex;
            justify-content: center;
            gap: 32px;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            margin-top: 8px;
        }
        .page-hero-meta span {
            display: flex;
            align-items: center;
            gap: 7px;
        }
        .page-hero-meta i {
            color: var(--color-accent-light);
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-alt {
            background: var(--color-surface);
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
        }
        .section-header .section-subtitle {
            color: var(--color-text-weak);
            font-size: 1rem;
            max-width: 500px;
            margin: 0 auto;
        }
        .section-tag {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(200, 144, 62, 0.1);
            color: var(--color-accent-dark);
            border-radius: var(--radius-full);
            font-size: 0.82rem;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        /* ========== 卡片 ========== */
        .news-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .news-card-img {
            position: relative;
            width: 100%;
            aspect-ratio: 16/10;
            overflow: hidden;
            background: var(--color-bg-alt);
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .news-card:hover .news-card-img img {
            transform: scale(1.04);
        }
        .news-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 600;
            z-index: 1;
        }
        .news-card-body {
            padding: 20px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .news-card-date {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-card-date i {
            font-size: 0.75rem;
            color: var(--color-accent);
        }
        .news-card-title {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-summary {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-accent-dark);
            transition: all var(--transition-fast);
            margin-top: 4px;
            text-decoration: none;
        }
        .news-card-link:hover {
            color: var(--color-accent);
            gap: 10px;
        }
        .news-card-link i {
            font-size: 0.75rem;
            transition: transform var(--transition-fast);
        }
        .news-card-link:hover i {
            transform: translateX(3px);
        }

        /* 联赛卡片 */
        .league-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }
        .league-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-accent-light);
        }
        .league-card-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #fff;
            flex-shrink: 0;
        }
        .league-card-icon.epl {
            background: linear-gradient(135deg, #3d195b 0%, #6b2fa0 100%);
        }
        .league-card-icon.laliga {
            background: linear-gradient(135deg, #c62828 0%, #e53935 100%);
        }
        .league-card-icon.seriea {
            background: linear-gradient(135deg, #0d47a1 0%, #1976d2 100%);
        }
        .league-card-icon.bundesliga {
            background: linear-gradient(135deg, #b71c1c 0%, #d32f2f 100%);
        }
        .league-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
        }
        .league-card p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            line-height: 1.5;
            max-width: 200px;
            margin: 0 auto;
        }
        .league-card .league-meta {
            font-size: 0.8rem;
            color: var(--color-accent-dark);
            font-weight: 600;
        }

        /* 赛程列表 */
        .fixture-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .fixture-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            flex-wrap: wrap;
        }
        .fixture-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }
        .fixture-date-badge {
            flex-shrink: 0;
            text-align: center;
            min-width: 52px;
            background: var(--color-bg-alt);
            border-radius: var(--radius-sm);
            padding: 8px 10px;
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--color-primary);
            line-height: 1.2;
        }
        .fixture-date-badge span {
            display: block;
            font-size: 0.7rem;
            color: var(--color-text-weak);
            font-weight: 400;
        }
        .fixture-teams {
            flex: 1;
            min-width: 160px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            text-align: center;
        }
        .fixture-teams .vs {
            color: var(--color-accent);
            margin: 0 6px;
            font-weight: 700;
        }
        .fixture-league {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            flex-shrink: 0;
            padding: 4px 12px;
            background: var(--color-bg-alt);
            border-radius: var(--radius-full);
            font-weight: 500;
        }
        .fixture-status {
            font-size: 0.8rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            flex-shrink: 0;
        }
        .fixture-status.upcoming {
            background: #fef3c7;
            color: #b45309;
        }
        .fixture-status.live {
            background: #fee2e2;
            color: #dc2626;
            animation: pulse-status 1.6s ease-in-out infinite;
        }
        @keyframes pulse-status {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.55;
            }
        }

        /* 数据统计卡片 */
        .stat-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 6px;
            letter-spacing: -1px;
        }
        .stat-number .stat-unit {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--color-accent);
            margin-left: 2px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            font-weight: 500;
        }
        .stat-icon {
            display: inline-flex;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(200, 144, 62, 0.1);
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1.1rem;
            margin-bottom: 14px;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(150deg, #0f2940 0%, #1a3f5c 60%, #1e4a6e 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            margin: 0 16px;
        }
        @media (min-width: 768px) {
            .cta-section {
                margin: 0;
            }
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: 0;
        }
        .cta-section>* {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 550px;
            margin: 0 auto 24px;
            font-size: 1rem;
            line-height: 1.7;
        }
        .btn-cta-large {
            display: inline-block;
            padding: 14px 34px;
            border-radius: var(--radius-full);
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
            box-shadow: 0 4px 20px rgba(200, 144, 62, 0.45);
            transition: all var(--transition-base);
            text-decoration: none;
            letter-spacing: 0.4px;
        }
        .btn-cta-large:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(200, 144, 62, 0.6);
            color: #fff;
            background: linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-accent) 100%);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 50px 0 30px;
            margin-top: var(--section-gap);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
            text-decoration: none;
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero {
                padding: 60px 0 50px;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-header h2 {
                font-size: 1.55rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .fixture-item {
                gap: 10px;
                padding: 14px 16px;
            }
            .fixture-teams {
                font-size: 0.9rem;
            }
            .stat-number {
                font-size: 2rem;
            }
            .nav-links-desktop li a {
                padding: 7px 10px;
                font-size: 0.85rem;
            }
            .nav-cta-btn {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
            .nav-dock {
                padding: 6px 10px;
                gap: 4px;
            }
            .nav-brand {
                font-size: 1rem;
            }
            .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 768px) {
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .page-hero .hero-subtitle {
                font-size: 0.95rem;
            }
            .page-hero {
                padding: 48px 0 40px;
            }
            .section {
                padding: 32px 0;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-desc {
                max-width: 100%;
            }
            .cta-section {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
                margin: 0 8px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .fixture-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .fixture-teams {
                text-align: left;
                font-size: 0.95rem;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .nav-dock {
                border-radius: var(--radius-lg);
                flex-wrap: wrap;
                padding: 10px 14px;
                gap: 6px;
            }
            .nav-dock-wrapper {
                top: 8px;
                padding: 0 8px;
            }
            .page-hero-meta {
                gap: 16px;
                font-size: 0.8rem;
            }
            .nav-links-desktop {
                display: none !important;
            }
            .nav-cta-desktop {
                display: none !important;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.35rem;
            }
            .page-hero .hero-subtitle {
                font-size: 0.88rem;
            }
            .page-hero {
                padding: 36px 0 32px;
            }
            .section {
                padding: 26px 0;
            }
            .section-header h2 {
                font-size: 1.2rem;
            }
            .news-card-body {
                padding: 14px 12px;
            }
            .news-card-title {
                font-size: 0.95rem;
            }
            .league-card {
                padding: 20px 14px;
            }
            .stat-card {
                padding: 18px 14px;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .btn-cta-large {
                padding: 12px 24px;
                font-size: 0.9rem;
                width: 100%;
            }
            .cta-section {
                padding: 24px 16px;
                border-radius: var(--radius-md);
            }
            .page-hero-meta {
                flex-direction: column;
                gap: 6px;
                align-items: center;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #1a2a3a;
            --color-primary-light: #243548;
            --color-accent: #c9a050;
            --color-accent-light: #d9b870;
            --color-accent-dark: #a88130;
            --color-bg: #f7f5f0;
            --color-bg-white: #ffffff;
            --color-bg-light: #f0ede6;
            --color-bg-card: #ffffff;
            --color-bg-dark: #1a2a3a;
            --color-text: #2c2c2c;
            --color-text-light: #5a5a5a;
            --color-text-muted: #888888;
            --color-text-on-dark: #e8e8e8;
            --color-text-on-accent: #ffffff;
            --color-border: #e0dcd4;
            --color-border-light: #ece8e0;
            --color-success: #3a9d5d;
            --color-warning: #e8a840;
            --color-danger: #d45353;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 22px;
            --radius-full: 50px;
            --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 6px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12);
            --spacing-xs: 6px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-2xl: 64px;
            --spacing-3xl: 80px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-body: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans SC', sans-serif;
        }

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

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

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            margin-top: 0;
        }
        h2 {
            font-size: 2rem;
            margin-bottom: var(--spacing-md);
        }
        h3 {
            font-size: 1.35rem;
            margin-bottom: var(--spacing-sm);
        }
        p {
            margin-top: 0;
            margin-bottom: var(--spacing-md);
        }

        .grid-container {
            max-width: 1200px;
            padding-left: var(--spacing-md);
            padding-right: var(--spacing-md);
        }

        /* ========== NAV DOCK ========== */
        .nav-dock {
            position: sticky;
            top: 16px;
            z-index: 1000;
            max-width: 1100px;
            margin: 0 auto;
            background: var(--color-bg-white);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 24px;
            transition: box-shadow var(--transition-base), transform var(--transition-base);
            border: 1px solid var(--color-border-light);
        }
        .nav-dock:hover {
            box-shadow: var(--shadow-xl);
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 9px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary);
            white-space: nowrap;
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-brand:hover {
            color: var(--color-accent);
        }
        .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .nav-links-desktop li a {
            display: inline-block;
            padding: 8px 15px;
            border-radius: var(--radius-full);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links-desktop li a:hover {
            color: var(--color-accent);
            background: rgba(201, 160, 80, 0.06);
        }
        .nav-links-desktop li a.active {
            color: var(--color-accent);
            background: rgba(201, 160, 80, 0.10);
            font-weight: 600;
        }
        .nav-cta-btn {
            display: inline-block;
            padding: 10px 20px;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #fff !important;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-base);
            flex-shrink: 0;
            box-shadow: 0 3px 12px rgba(201, 160, 80, 0.3);
        }
        .nav-cta-btn:hover {
            background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
            box-shadow: 0 6px 20px rgba(201, 160, 80, 0.4);
            transform: translateY(-1px);
            color: #fff !important;
        }
        .nav-cta-btn:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(201, 160, 80, 0.3);
        }

        /* mobile nav */
        .nav-dock .title-bar {
            background: transparent;
            padding: 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .nav-dock .title-bar-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-primary);
        }
        .nav-dock .menu-icon {
            cursor: pointer;
            position: relative;
            width: 28px;
            height: 22px;
            display: inline-block;
        }
        .nav-dock .menu-icon::after {
            content: '';
            position: absolute;
            top: 4px;
            left: 0;
            width: 100%;
            height: 2.5px;
            background: var(--color-primary);
            border-radius: 3px;
            box-shadow: 0 8px 0 var(--color-primary), 0 16px 0 var(--color-primary);
            transition: all var(--transition-fast);
        }
        .nav-mobile-menu {
            display: none;
            flex-direction: column;
            gap: 2px;
            padding: 12px 0 6px;
            border-top: 1px solid var(--color-border-light);
            margin-top: 10px;
            width: 100%;
        }
        .nav-mobile-menu.is-open {
            display: flex;
        }
        .nav-mobile-menu a {
            display: block;
            padding: 11px 16px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            text-align: center;
        }
        .nav-mobile-menu a:hover {
            color: var(--color-accent);
            background: rgba(201, 160, 80, 0.06);
        }
        .nav-mobile-menu a.active {
            color: var(--color-accent);
            background: rgba(201, 160, 80, 0.10);
            font-weight: 600;
        }
        .nav-mobile-cta {
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark)) !important;
            color: #fff !important;
            font-weight: 600 !important;
            border-radius: var(--radius-full) !important;
            margin-top: 4px;
        }

        /* ========== PAGE HERO ========== */
        .page-hero {
            position: relative;
            padding: var(--spacing-3xl) 0 var(--spacing-2xl);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            margin-top: 10px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-left: var(--spacing-md);
            margin-right: var(--spacing-md);
            max-width: 1160px;
            margin-left: auto;
            margin-right: auto;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 42, 58, 0.82) 0%, rgba(26, 42, 58, 0.55) 50%, rgba(26, 42, 58, 0.72) 100%);
            z-index: 1;
        }
        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 0 var(--spacing-md);
        }
        .page-hero .hero-badge {
            display: inline-block;
            padding: 7px 18px;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: var(--spacing-md);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .page-hero h1 {
            font-size: 2.8rem;
            color: #ffffff;
            margin-bottom: var(--spacing-sm);
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
            letter-spacing: 0.02em;
        }
        .page-hero .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.88);
            max-width: 600px;
            margin: 0 auto var(--spacing-lg);
            line-height: 1.6;
        }
        .hero-stats-row {
            display: flex;
            justify-content: center;
            gap: var(--spacing-xl);
            flex-wrap: wrap;
            margin-top: var(--spacing-md);
        }
        .hero-stat {
            text-align: center;
            color: #fff;
        }
        .hero-stat .stat-num {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-accent-light);
            line-height: 1;
            display: block;
            margin-bottom: 4px;
        }
        .hero-stat .stat-label {
            font-size: 0.9rem;
            opacity: 0.85;
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--spacing-2xl) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }
        .section-header h2 {
            position: relative;
            display: inline-block;
            margin-bottom: var(--spacing-sm);
        }
        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 3px;
            border-radius: 3px;
            background: var(--color-accent);
        }
        .section-header .section-desc {
            color: var(--color-text-muted);
            font-size: 1rem;
            max-width: 550px;
            margin: var(--spacing-sm) auto 0;
        }
        .section-bg-light {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            margin: 0 var(--spacing-md);
            max-width: 1160px;
            margin-left: auto;
            margin-right: auto;
            padding: var(--spacing-2xl) var(--spacing-lg);
        }
        .section-bg-alt {
            background: var(--color-bg-light);
        }

        /* ========== TOPIC CARDS ========== */
        .topic-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .topic-card .card-img-wrap {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #e8e4dc;
        }
        .topic-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .topic-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .topic-card .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            border-radius: var(--radius-full);
            background: var(--color-accent);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            z-index: 2;
            letter-spacing: 0.02em;
        }
        .topic-card .card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .topic-card .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .topic-card .card-excerpt {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.5;
            flex: 1;
            margin-bottom: var(--spacing-sm);
        }
        .topic-card .card-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 0.82rem;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }
        .topic-card .card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .topic-card .card-meta i {
            font-size: 0.75rem;
        }

        /* ========== EXPERT CARDS ========== */
        .expert-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-md);
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
            position: relative;
        }
        .expert-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .expert-card .rank-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            color: #fff;
            z-index: 2;
            box-shadow: var(--shadow-md);
        }
        .rank-gold {
            background: linear-gradient(135deg, #e8c550, #c9a030);
        }
        .rank-silver {
            background: linear-gradient(135deg, #bcc4d0, #8895a6);
        }
        .rank-bronze {
            background: linear-gradient(135deg, #d4a870, #b07a40);
        }
        .rank-default {
            background: linear-gradient(135deg, #7a8a9a, #5a6a7a);
        }
        .expert-card .expert-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            object-fit: cover;
            margin: 8px auto var(--spacing-sm);
            border: 3px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            background: #e8e4dc;
        }
        .expert-card .expert-name {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-primary);
            margin-bottom: 3px;
        }
        .expert-card .expert-title-tag {
            font-size: 0.82rem;
            color: var(--color-accent);
            font-weight: 500;
            margin-bottom: 6px;
        }
        .expert-card .expert-stats {
            display: flex;
            justify-content: center;
            gap: var(--spacing-md);
            font-size: 0.82rem;
            color: var(--color-text-muted);
        }
        .expert-card .expert-stats strong {
            color: var(--color-primary);
            display: block;
            font-size: 1rem;
        }

        /* ========== ARTICLE LIST ========== */
        .article-list-item {
            display: flex;
            gap: var(--spacing-md);
            padding: var(--spacing-md);
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            margin-bottom: var(--spacing-sm);
            align-items: flex-start;
        }
        .article-list-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
            transform: translateY(-2px);
        }
        .article-list-item .article-thumb {
            width: 160px;
            flex-shrink: 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: #e8e4dc;
        }
        .article-list-item .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .article-list-item:hover .article-thumb img {
            transform: scale(1.05);
        }
        .article-list-item .article-info {
            flex: 1;
            min-width: 0;
        }
        .article-list-item .article-title {
            font-weight: 700;
            font-size: 1.08rem;
            color: var(--color-primary);
            margin-bottom: 5px;
            line-height: 1.4;
        }
        .article-list-item .article-desc {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-list-item .article-footer-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 0.82rem;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }

        /* ========== ACTIVITY CARDS ========== */
        .activity-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            position: relative;
            overflow: hidden;
        }
        .activity-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--color-accent);
            border-radius: 0 3px 3px 0;
        }
        .activity-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .activity-card .activity-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(201, 160, 80, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-accent);
            margin-bottom: var(--spacing-sm);
            flex-shrink: 0;
        }
        .activity-card h4 {
            font-size: 1.08rem;
            margin-bottom: 5px;
            color: var(--color-primary);
        }
        .activity-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            flex: 1;
            margin-bottom: var(--spacing-sm);
        }
        .activity-card .activity-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 500;
            background: rgba(201, 160, 80, 0.08);
            color: var(--color-accent-dark);
        }

        /* ========== FAQ ========== */
        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            padding: var(--spacing-md) var(--spacing-lg);
            margin-bottom: var(--spacing-sm);
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--color-border-light);
            cursor: pointer;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--color-border);
        }
        .faq-item .faq-question {
            font-weight: 700;
            font-size: 1.02rem;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
        }
        .faq-item .faq-question i {
            transition: transform var(--transition-base);
            color: var(--color-accent);
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding-top var(--transition-base);
            font-size: 0.92rem;
            color: var(--color-text-light);
            line-height: 1.6;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding-top: var(--spacing-sm);
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--color-bg-dark);
            border-radius: var(--radius-lg);
            padding: var(--spacing-2xl) var(--spacing-lg);
            text-align: center;
            margin: 0 var(--spacing-md);
            max-width: 1160px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(201, 160, 80, 0.08);
            z-index: 0;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(201, 160, 80, 0.06);
            z-index: 0;
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            color: #ffffff;
            font-size: 2rem;
            margin-bottom: var(--spacing-sm);
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.78);
            max-width: 500px;
            margin: 0 auto var(--spacing-lg);
        }
        .btn-cta-large {
            display: inline-block;
            padding: 14px 36px;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #fff !important;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 6px 22px rgba(201, 160, 80, 0.4);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
        }
        .btn-cta-large:hover {
            background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
            box-shadow: 0 10px 30px rgba(201, 160, 80, 0.5);
            transform: translateY(-2px);
        }
        .btn-cta-large:active {
            transform: translateY(0);
        }
        .btn-outline-light {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius-full);
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff !important;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            margin-left: var(--spacing-sm);
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: var(--color-text-on-dark);
            padding: var(--spacing-2xl) 0 var(--spacing-md);
            margin-top: var(--spacing-2xl);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            padding-bottom: var(--spacing-lg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand-name {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: var(--spacing-sm);
        }
        .footer-desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.03em;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            text-align: center;
            padding-top: var(--spacing-md);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ========== RESPONSIVE ========== */
        @media screen and (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
            .page-hero h1 {
                font-size: 2.2rem;
            }
            .hero-stats-row {
                gap: var(--spacing-md);
            }
            .hero-stat .stat-num {
                font-size: 1.7rem;
            }
            .nav-links-desktop li a {
                padding: 6px 10px;
                font-size: 0.85rem;
            }
            .nav-cta-btn {
                padding: 8px 14px;
                font-size: 0.82rem;
            }
            .nav-dock {
                padding: 8px 16px;
                border-radius: var(--radius-lg);
            }
            .article-list-item .article-thumb {
                width: 120px;
            }
        }
        @media screen and (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .page-hero {
                padding: var(--spacing-xl) 0;
                border-radius: var(--radius-md);
                margin-left: 8px;
                margin-right: 8px;
            }
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .page-hero .hero-subtitle {
                font-size: 1rem;
            }
            .hero-stats-row {
                gap: var(--spacing-sm);
            }
            .hero-stat .stat-num {
                font-size: 1.4rem;
            }
            .hero-stat .stat-label {
                font-size: 0.78rem;
            }
            .section {
                padding: var(--spacing-xl) 0;
            }
            .section-bg-light {
                margin: 0 8px;
                padding: var(--spacing-lg) var(--spacing-md);
                border-radius: var(--radius-md);
            }
            .cta-section {
                margin: 0 8px;
                padding: var(--spacing-xl) var(--spacing-md);
                border-radius: var(--radius-md);
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .article-list-item {
                flex-direction: column;
            }
            .article-list-item .article-thumb {
                width: 100%;
                aspect-ratio: 16 / 9;
            }
            h2 {
                font-size: 1.5rem;
            }
            .topic-card .card-title {
                font-size: 1rem;
            }
            .expert-card .expert-avatar {
                width: 64px;
                height: 64px;
            }
            .btn-outline-light {
                display: block;
                margin-left: 0;
                margin-top: var(--spacing-sm);
            }
            .nav-dock {
                border-radius: var(--radius-md);
                padding: 8px 14px;
                top: 8px;
            }
        }
        @media screen and (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.4rem;
            }
            .page-hero .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-stats-row {
                flex-direction: column;
                gap: 10px;
            }
            .hero-stat .stat-num {
                font-size: 1.3rem;
            }
            .faq-item {
                padding: var(--spacing-sm) var(--spacing-md);
            }
            .faq-item .faq-question {
                font-size: 0.95rem;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .btn-cta-large {
                padding: 12px 24px;
                font-size: 0.95rem;
            }
            .nav-dock {
                border-radius: var(--radius-sm);
                padding: 6px 10px;
                top: 4px;
            }
            .nav-brand {
                font-size: 1rem;
            }
            .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
            }
        }

/* roulang page: category2 */
/* ========== 设计变量 ========== */
        :root {
            --color-primary: #1a3350;
            --color-primary-deep: #0f1f33;
            --color-primary-light: #1f4068;
            --color-accent: #c8963e;
            --color-accent-light: #e0b860;
            --color-accent-deep: #9e7428;
            --color-bg: #f8f7f4;
            --color-bg-white: #ffffff;
            --color-bg-light: #f1efe9;
            --color-bg-card: #ffffff;
            --color-bg-dark: #1a1f2b;
            --color-text: #1e1e1e;
            --color-text-weak: #5c5c5c;
            --color-text-muted: #888888;
            --color-text-light: #b0b0b0;
            --color-border: #e2dfd8;
            --color-border-light: #ece9e2;
            --color-shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.06);
            --color-shadow-md: 0 6px 24px rgba(0, 0, 0, 0.09);
            --color-shadow-lg: 0 14px 40px rgba(0, 0, 0, 0.12);
            --color-shadow-accent: 0 8px 28px rgba(200, 150, 62, 0.2);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 50px;
            --spacing-xs: 6px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-2xl: 64px;
            --spacing-3xl: 80px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Noto Sans SC', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans SC', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s ease;
            --transition-bounce: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --nav-height: 64px;
            --nav-dock-offset: 18px;
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            position: relative;
            padding-top: calc(var(--nav-height) + var(--nav-dock-offset) + 10px);
        }

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

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

        button {
            cursor: pointer;
            font-family: var(--font-body);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            margin-top: 0;
            color: var(--color-primary);
        }
        h1 {
            font-size: 2.6rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            letter-spacing: -0.01em;
            margin-bottom: var(--spacing-md);
        }
        h3 {
            font-size: 1.35rem;
            letter-spacing: -0.005em;
            margin-bottom: var(--spacing-sm);
        }
        h4 {
            font-size: 1.1rem;
            margin-bottom: var(--spacing-xs);
        }
        p {
            margin-top: 0;
            margin-bottom: var(--spacing-md);
            color: var(--color-text-weak);
        }

        /* ========== 容器 ========== */
        .grid-container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section-padding {
            padding-top: var(--spacing-2xl);
            padding-bottom: var(--spacing-2xl);
        }
        .section-padding-lg {
            padding-top: var(--spacing-3xl);
            padding-bottom: var(--spacing-3xl);
        }
        .section-padding-sm {
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
        }

        /* ========== 浮动 Dock 导航 ========== */
        .nav-dock-wrapper {
            position: fixed;
            top: var(--nav-dock-offset);
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 40px);
            max-width: 1100px;
        }
        .nav-dock {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: var(--color-bg-white);
            border-radius: var(--radius-full);
            padding: 6px 10px 6px 22px;
            box-shadow: var(--color-shadow-lg);
            border: 1px solid var(--color-border-light);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            min-height: var(--nav-height);
            transition: all var(--transition-smooth);
        }
        .nav-dock:hover {
            box-shadow: 0 18px 50px rgba(0, 0, 0, 0.14);
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-brand:hover {
            color: var(--color-accent);
        }
        .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--color-accent);
            border-radius: 50%;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .nav-links-desktop li a {
            display: block;
            padding: 10px 16px;
            border-radius: var(--radius-full);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .nav-links-desktop li a:hover {
            color: var(--color-primary);
            background: var(--color-bg-light);
        }
        .nav-links-desktop li a.active {
            color: #fff;
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(26, 51, 80, 0.35);
        }
        .nav-cta-desktop {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 11px 22px;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-bounce);
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }
        .nav-cta-desktop:hover {
            background: var(--color-accent-deep);
            color: #fff;
            box-shadow: var(--color-shadow-accent);
            transform: translateY(-2px);
        }
        .nav-cta-desktop i {
            font-size: 0.85rem;
        }

        /* 移动端 */
        .title-bar {
            background: transparent;
            color: var(--color-primary);
            padding: 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .title-bar .title-bar-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-primary);
            letter-spacing: -0.01em;
        }
        .menu-icon {
            cursor: pointer;
            position: relative;
            width: 28px;
            height: 22px;
            background: transparent;
            border: none;
            padding: 0;
        }
        .menu-icon::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            box-shadow: 0 7px 0 var(--color-primary), 0 -7px 0 var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .nav-mobile-menu {
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            margin-top: 8px;
            display: flex;
            flex-direction: column;
            gap: 4px;
            box-shadow: var(--color-shadow-lg);
            border: 1px solid var(--color-border-light);
        }
        .nav-mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
        }
        .nav-mobile-menu a:hover {
            background: var(--color-bg-light);
            color: var(--color-primary);
        }
        .nav-mobile-menu a.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }
        .nav-mobile-cta {
            background: var(--color-accent) !important;
            color: #fff !important;
            font-weight: 600 !important;
            text-align: center;
        }
        .nav-mobile-cta:hover {
            background: var(--color-accent-deep) !important;
            color: #fff !important;
        }

        @media screen and (max-width: 1024px) {
            .nav-dock {
                border-radius: var(--radius-lg);
                padding: 8px 16px;
            }
            .nav-dock-wrapper {
                width: calc(100% - 24px);
            }
            .nav-links-desktop li a {
                padding: 8px 11px;
                font-size: 0.85rem;
            }
            .nav-cta-desktop {
                padding: 9px 16px;
                font-size: 0.82rem;
            }
            h1 {
                font-size: 2.1rem;
            }
            h2 {
                font-size: 1.7rem;
            }
        }
        @media screen and (max-width: 768px) {
            .nav-dock-wrapper {
                top: 8px;
                width: calc(100% - 16px);
            }
            .nav-dock {
                border-radius: var(--radius-md);
                padding: 6px 12px;
                min-height: 52px;
            }
            .section-padding {
                padding-top: var(--spacing-xl);
                padding-bottom: var(--spacing-xl);
            }
            .section-padding-lg {
                padding-top: var(--spacing-2xl);
                padding-bottom: var(--spacing-2xl);
            }
            h1 {
                font-size: 1.75rem;
            }
            h2 {
                font-size: 1.45rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            body {
                padding-top: calc(52px + 8px + 6px);
            }
        }
        @media screen and (max-width: 520px) {
            .nav-dock {
                border-radius: var(--radius-sm);
                padding: 4px 8px;
                min-height: 46px;
            }
            .nav-dock-wrapper {
                top: 4px;
                width: calc(100% - 8px);
            }
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            body {
                padding-top: calc(46px + 4px + 4px);
            }
            .grid-container {
                padding-left: 10px;
                padding-right: 10px;
            }
        }

        /* ========== Hero Banner ========== */
        .hero-banner {
            position: relative;
            background: var(--color-primary-deep);
            background-image: linear-gradient(135deg,
                    rgba(15, 31, 51, 0.88) 0%,
                    rgba(26, 51, 80, 0.82) 40%,
                    rgba(31, 64, 104, 0.78) 100%),
                url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            border-radius: var(--radius-lg);
            padding: var(--spacing-3xl) var(--spacing-xl);
            margin-top: var(--spacing-md);
            color: #fff;
            text-align: center;
            overflow: hidden;
        }
        .hero-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, rgba(15, 31, 51, 0.5), transparent);
            pointer-events: none;
        }
        .hero-banner .hero-content {
            position: relative;
            z-index: 2;
            max-width: 750px;
            margin: 0 auto;
        }
        .hero-banner .hero-badge {
            display: inline-block;
            background: rgba(200, 150, 62, 0.2);
            border: 1px solid rgba(200, 150, 62, 0.4);
            color: var(--color-accent-light);
            padding: 6px 18px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-md);
        }
        .hero-banner h1 {
            color: #fff;
            font-size: 2.8rem;
            margin-bottom: var(--spacing-md);
            letter-spacing: -0.02em;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }
        .hero-banner .hero-desc {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.15rem;
            line-height: 1.7;
            max-width: 600px;
            margin: 0 auto var(--spacing-lg);
        }
        .hero-banner .hero-stats-row {
            display: flex;
            justify-content: center;
            gap: var(--spacing-xl);
            flex-wrap: wrap;
        }
        .hero-stat-item {
            text-align: center;
            color: #fff;
        }
        .hero-stat-item .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-accent-light);
            line-height: 1.1;
        }
        .hero-stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }
        @media screen and (max-width: 768px) {
            .hero-banner {
                border-radius: var(--radius-md);
                padding: var(--spacing-2xl) var(--spacing-md);
            }
            .hero-banner h1 {
                font-size: 2rem;
            }
            .hero-banner .hero-desc {
                font-size: 1rem;
            }
            .hero-banner .hero-stats-row {
                gap: var(--spacing-md);
            }
            .hero-stat-item .stat-num {
                font-size: 1.6rem;
            }
        }
        @media screen and (max-width: 520px) {
            .hero-banner {
                border-radius: var(--radius-sm);
                padding: var(--spacing-xl) var(--spacing-sm);
                margin-top: var(--spacing-xs);
            }
            .hero-banner h1 {
                font-size: 1.6rem;
            }
            .hero-banner .hero-desc {
                font-size: 0.9rem;
            }
            .hero-stat-item .stat-num {
                font-size: 1.35rem;
            }
            .hero-stat-item .stat-label {
                font-size: 0.75rem;
            }
        }

        /* ========== 板块标题 ========== */
        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }
        .section-header .section-tag {
            display: inline-block;
            background: var(--color-bg-light);
            color: var(--color-accent-deep);
            padding: 5px 16px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: var(--spacing-sm);
        }
        .section-header h2 {
            margin-bottom: var(--spacing-sm);
        }
        .section-header .section-subtitle {
            color: var(--color-text-muted);
            font-size: 1rem;
            max-width: 550px;
            margin: 0 auto;
        }

        /* ========== 统计卡片网格 ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }
        .stat-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg) var(--spacing-md);
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--color-shadow-sm);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--color-shadow-md);
            border-color: var(--color-border);
        }
        .stat-card:hover::before {
            opacity: 1;
        }
        .stat-card .stat-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            background: var(--color-bg-light);
            border-radius: 50%;
            font-size: 1.4rem;
            color: var(--color-accent);
            margin-bottom: var(--spacing-sm);
            transition: all var(--transition-smooth);
        }
        .stat-card:hover .stat-icon {
            background: var(--color-accent);
            color: #fff;
            transform: scale(1.08);
        }
        .stat-card .stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .stat-card .stat-label-text {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }
        @media screen and (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media screen and (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .stat-card {
                padding: var(--spacing-md);
            }
            .stat-card .stat-value {
                font-size: 1.6rem;
            }
        }

        /* ========== 工具卡片网格 ========== */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .tool-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--color-shadow-sm);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .tool-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--color-shadow-md);
            border-color: var(--color-border);
        }
        .tool-card .tool-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--color-bg-light);
        }
        .tool-card .tool-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .tool-card:hover .tool-img-wrap img {
            transform: scale(1.06);
        }
        .tool-card .tool-body {
            padding: var(--spacing-md) var(--spacing-md) var(--spacing-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .tool-card .tool-body h3 {
            margin-bottom: var(--spacing-xs);
            font-size: 1.2rem;
        }
        .tool-card .tool-body p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-bottom: var(--spacing-md);
            flex: 1;
        }
        .tool-card .tool-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-accent);
            transition: all var(--transition-fast);
            align-self: flex-start;
        }
        .tool-card .tool-link:hover {
            color: var(--color-accent-deep);
            gap: 10px;
        }
        .tool-card .tool-link i {
            transition: transform var(--transition-fast);
        }
        .tool-card .tool-link:hover i {
            transform: translateX(3px);
        }
        @media screen and (max-width: 1024px) {
            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media screen and (max-width: 520px) {
            .tools-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 报告列表 ========== */
        .report-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .report-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            padding: var(--spacing-md) var(--spacing-lg);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--color-shadow-sm);
            transition: all var(--transition-smooth);
        }
        .report-item:hover {
            box-shadow: var(--color-shadow-md);
            border-color: var(--color-border);
            transform: translateX(3px);
        }
        .report-item .report-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            background: var(--color-bg-light);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-accent);
        }
        .report-item .report-info {
            flex: 1;
            min-width: 0;
        }
        .report-item .report-info h4 {
            margin-bottom: 2px;
            font-size: 1rem;
            color: var(--color-primary);
        }
        .report-item .report-info .report-meta {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        .report-item .report-arrow {
            flex-shrink: 0;
            color: var(--color-text-muted);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }
        .report-item:hover .report-arrow {
            color: var(--color-accent);
            transform: translateX(3px);
        }
        @media screen and (max-width: 520px) {
            .report-item {
                padding: var(--spacing-sm) var(--spacing-md);
                gap: var(--spacing-sm);
            }
            .report-item .report-icon {
                width: 36px;
                height: 36px;
                font-size: 0.9rem;
            }
        }

        /* ========== 流程步骤 ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
            position: relative;
        }
        .step-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg) var(--spacing-md);
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--color-shadow-sm);
            position: relative;
            transition: all var(--transition-smooth);
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--color-shadow-md);
        }
        .step-card .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 50%;
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: var(--spacing-sm);
        }
        .step-card h4 {
            margin-bottom: var(--spacing-xs);
        }
        .step-card p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 0;
        }
        @media screen and (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media screen and (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: var(--color-shadow-sm);
        }
        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--color-shadow-md);
        }
        .faq-question {
            padding: var(--spacing-md) var(--spacing-lg);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            font-weight: 600;
            color: var(--color-primary);
            font-size: 1rem;
            user-select: none;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: var(--color-bg-light);
        }
        .faq-question .faq-toggle-icon {
            flex-shrink: 0;
            font-size: 0.85rem;
            color: var(--color-accent);
            transition: transform var(--transition-smooth);
        }
        .faq-item.open .faq-toggle-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 var(--spacing-lg);
            color: var(--color-text-weak);
            font-size: 0.92rem;
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 var(--spacing-lg) var(--spacing-lg);
        }
        @media screen and (max-width: 520px) {
            .faq-question {
                padding: var(--spacing-sm) var(--spacing-md);
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 var(--spacing-md);
                font-size: 0.85rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 var(--spacing-md) var(--spacing-md);
            }
        }

        /* ========== CTA 板块 ========== */
        .cta-section {
            background: var(--color-primary);
            background-image: linear-gradient(135deg, var(--color-primary-deep) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
            border-radius: var(--radius-lg);
            padding: var(--spacing-2xl) var(--spacing-xl);
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 300px;
            height: 300px;
            background: rgba(200, 150, 62, 0.1);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            color: #fff;
            margin-bottom: var(--spacing-sm);
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: var(--spacing-lg);
            position: relative;
            z-index: 1;
            font-size: 1.05rem;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-bounce);
            position: relative;
            z-index: 1;
            border: none;
        }
        .cta-btn:hover {
            background: var(--color-accent-light);
            color: #fff;
            box-shadow: var(--color-shadow-accent);
            transform: translateY(-3px);
        }
        .cta-btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-bounce);
            position: relative;
            z-index: 1;
            margin-left: var(--spacing-sm);
        }
        .cta-btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        @media screen and (max-width: 520px) {
            .cta-section {
                border-radius: var(--radius-md);
                padding: var(--spacing-xl) var(--spacing-md);
            }
            .cta-btn,
            .cta-btn-outline {
                display: flex;
                width: 100%;
                justify-content: center;
                margin: var(--spacing-xs) 0;
            }
            .cta-btn-outline {
                margin-left: 0;
            }
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-primary-deep);
            color: rgba(255, 255, 255, 0.75);
            padding: var(--spacing-2xl) 0 var(--spacing-lg);
            margin-top: var(--spacing-2xl);
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            padding-bottom: var(--spacing-lg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: var(--spacing-lg);
        }
        .footer-brand-name {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.01em;
        }
        .footer-desc {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            line-height: 1.6;
            margin-bottom: 0;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .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(--color-accent-light);
        }
        .footer-bottom {
            text-align: center;
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.8rem;
        }
        .footer-bottom p {
            color: inherit;
            margin: 0;
        }
        @media screen and (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
            .footer-col:first-child {
                grid-column: 1 / -1;
            }
        }
        @media screen and (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .site-footer {
                padding: var(--spacing-xl) 0 var(--spacing-md);
            }
        }

        /* ========== 背景底色板块 ========== */
        .bg-light-section {
            background: var(--color-bg-light);
            border-radius: var(--radius-lg);
            margin: 0 10px;
        }
        @media screen and (max-width: 768px) {
            .bg-light-section {
                margin: 0 4px;
                border-radius: var(--radius-md);
            }
        }

        /* ========== 图片通用样式 ========== */
        .img-rounded {
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .img-shadow {
            box-shadow: var(--color-shadow-md);
        }

        /* ========== Foundation 覆盖 ========== */
        .grid-container {
            max-width: 1160px;
        }
        .button {
            border-radius: var(--radius-full);
            font-family: var(--font-body);
            font-weight: 600;
            transition: all var(--transition-bounce);
        }
        .button:hover {
            transform: translateY(-2px);
            box-shadow: var(--color-shadow-accent);
        }

        /* ========== 分隔线 ========== */
        .divider-accent {
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin: var(--spacing-sm) auto;
        }