/* roulang page: index */
:root {
            --brand-600: #c41e3a;
            --brand-700: #a31830;
            --brand-800: #88152a;
            --gold-500: #d4a853;
            --gold-600: #bf8f3c;
            --deep-900: #1a1a2e;
            --gray-50: #f9fafb;
            --gray-100: #f5f6f8;
            --gray-200: #e5e7eb;
            --gray-400: #9ca3af;
            --gray-500: #6b7280;
            --gray-600: #4b5563;
            --gray-700: #374151;
            --gray-800: #1f2937;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.16);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
        }

        *,
        *::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: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.7;
            color: #1f2937;
            background-color: #ffffff;
            overflow-x: hidden;
            padding-bottom: 0;
        }

        @media (max-width: 767px) {
            body {
                padding-bottom: 72px;
            }
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

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

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

        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 1280px) {
            .container-custom {
                padding-left: 32px;
                padding-right: 32px;
            }
        }

        /* 顶部导航 */
        .header-nav {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid #e5e7eb;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.3s ease;
        }

        .header-nav.scrolled {
            box-shadow: var(--shadow-md);
        }

        .nav-link {
            position: relative;
            font-weight: 500;
            font-size: 0.95rem;
            color: #374151;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #c41e3a;
            background-color: #fef2f2;
        }

        .nav-link.active {
            color: #c41e3a;
            font-weight: 600;
            background-color: #fef2f2;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 28px;
            height: 3px;
            background: #c41e3a;
            border-radius: 3px 3px 0 0;
        }

        /* 移动端底部Tab */
        .mobile-bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 200;
            background: #ffffff;
            border-top: 1px solid #e5e7eb;
            box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.1);
            padding: 6px 0 env(safe-area-inset-bottom, 6px) 0;
            display: flex;
            justify-content: space-around;
            align-items: center;
        }

        @media (max-width: 767px) {
            .mobile-bottom-nav {
                display: flex;
            }
        }

        @media (min-width: 768px) {
            .mobile-bottom-nav {
                display: none;
            }
        }

        .mobile-tab {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            padding: 5px 8px;
            border-radius: 8px;
            color: #6b7280;
            font-size: 0.7rem;
            font-weight: 500;
            transition: all 0.2s ease;
            text-align: center;
            min-width: 56px;
            text-decoration: none;
        }

        .mobile-tab i {
            font-size: 1.25rem;
            transition: color 0.2s ease;
        }

        .mobile-tab.active {
            color: #c41e3a;
            font-weight: 600;
        }

        .mobile-tab.active i {
            color: #c41e3a;
        }

        .mobile-tab:active {
            background-color: #fef2f2;
            transform: scale(0.94);
        }

        /* Hero区域 */
        .hero-section {
            position: relative;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 620px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(136, 21, 42, 0.78) 50%, rgba(26, 26, 46, 0.85) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 60px 0;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(212, 168, 83, 0.2);
            border: 1px solid rgba(212, 168, 83, 0.45);
            color: #e8c468;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }

        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 800;
            line-height: 1.2;
            color: #ffffff;
            margin-bottom: 20px;
            letter-spacing: -0.01em;
        }

        .hero-title .accent {
            color: #e8c468;
            position: relative;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 32px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #c41e3a;
            color: #fff;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            transition: all 0.3s ease;
            box-shadow: 0 4px 16px rgba(196, 30, 58, 0.35);
            cursor: pointer;
            text-decoration: none;
        }

        .btn-primary:hover {
            background: #a31830;
            box-shadow: 0 8px 24px rgba(196, 30, 58, 0.5);
            transform: translateY(-2px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #ffffff;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all 0.3s ease;
            cursor: pointer;
            text-decoration: none;
        }

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

        /* 板块通用 */
        .section-padding {
            padding: 80px 0;
        }

        @media (max-width: 767px) {
            .section-padding {
                padding: 50px 0;
            }
            .hero-section {
                min-height: 480px;
            }
            .hero-content {
                padding: 40px 0;
            }
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: #c41e3a;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: #1a1a2e;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: #6b7280;
            max-width: 600px;
            line-height: 1.7;
        }

        /* 数据卡片 */
        .stat-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid #f3f4f6;
            transition: all 0.35s ease;
        }

        .stat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: #fde3e3;
        }

        .stat-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #fef2f2;
            color: #c41e3a;
            font-size: 1.5rem;
            margin-bottom: 14px;
        }

        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: #1a1a2e;
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: #6b7280;
            font-weight: 500;
        }

        /* 优势卡片 */
        .advantage-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-md);
            border: 1px solid #f3f4f6;
            transition: all 0.35s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .advantage-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-xl);
            border-color: #fccccc;
        }

        .advantage-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: linear-gradient(135deg, #fef2f2 0%, #fde3e3 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #c41e3a;
            flex-shrink: 0;
        }

        /* 分类卡片 */
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all 0.4s ease;
            cursor: pointer;
            text-decoration: none;
            display: block;
            aspect-ratio: 4/3;
            background: #f3f4f6;
        }

        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-xl);
        }

        .category-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .category-card:hover img {
            transform: scale(1.08);
        }

        .category-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(26, 26, 46, 0.85) 0%, rgba(26, 26, 46, 0.25) 50%, rgba(26, 26, 46, 0.05) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 24px 20px;
            transition: background 0.4s ease;
        }

        .category-card:hover .category-card-overlay {
            background: linear-gradient(to top, rgba(196, 30, 58, 0.9) 0%, rgba(26, 26, 46, 0.4) 55%, rgba(26, 26, 46, 0.08) 100%);
        }

        .category-card-tag {
            display: inline-block;
            background: rgba(212, 168, 83, 0.85);
            color: #1a1a2e;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 8px;
            width: fit-content;
        }

        .category-card-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin: 0;
            line-height: 1.3;
        }

        /* 品牌故事区 */
        .story-section {
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            background-attachment: fixed;
            position: relative;
        }

        .story-overlay {
            position: absolute;
            inset: 0;
            background: rgba(26, 26, 46, 0.9);
            z-index: 1;
        }

        .story-content {
            position: relative;
            z-index: 2;
        }

        /* 评价卡片 */
        .testimonial-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid #f3f4f6;
            transition: all 0.3s ease;
            height: 100%;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: #fde3e3;
        }

        .testimonial-stars {
            color: #e8c468;
            font-size: 0.95rem;
            letter-spacing: 2px;
            margin-bottom: 10px;
        }

        .testimonial-text {
            font-size: 0.95rem;
            color: #4b5563;
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
        }

        .testimonial-author {
            font-weight: 600;
            color: #1a1a2e;
            font-size: 0.9rem;
        }

        .testimonial-role {
            font-size: 0.8rem;
            color: #9ca3af;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid #e5e7eb;
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            background: #ffffff;
            overflow: hidden;
            transition: all 0.3s ease;
        }

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

        .faq-item summary {
            padding: 18px 24px;
            font-weight: 600;
            color: #1a1a2e;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 1rem;
            user-select: none;
        }

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

        .faq-item summary .faq-icon {
            flex-shrink: 0;
            transition: transform 0.35s ease;
            color: #c41e3a;
            font-size: 0.85rem;
        }

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

        .faq-item .faq-answer {
            padding: 0 24px 20px 24px;
            color: #4b5563;
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* 新闻卡片 */
        .news-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid #f3f4f6;
            transition: all 0.35s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-xl);
            border-color: #fde3e3;
        }

        .news-card-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }

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

        .news-card-date {
            font-size: 0.8rem;
            color: #9ca3af;
            margin-bottom: 8px;
        }

        .news-card-title {
            font-weight: 700;
            color: #1a1a2e;
            font-size: 1.05rem;
            margin-bottom: 8px;
            line-height: 1.4;
            flex: 1;
        }

        .news-card-excerpt {
            font-size: 0.9rem;
            color: #6b7280;
            line-height: 1.6;
            margin-bottom: 14px;
        }

        .news-card-link {
            font-weight: 600;
            color: #c41e3a;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.3s ease;
            text-decoration: none;
        }

        .news-card-link:hover {
            gap: 10px;
            color: #a31830;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #1a1a2e 0%, #2d1a22 50%, #1a1a2e 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(196, 30, 58, 0.25) 0%, transparent 70%);
            top: -100px;
            right: -100px;
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(212, 168, 83, 0.2) 0%, transparent 70%);
            bottom: -80px;
            left: -80px;
            border-radius: 50%;
            pointer-events: none;
        }

        /* Footer */
        .site-footer {
            background: #1a1a2e;
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 28px;
        }

        .footer-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
        }

        .footer-link {
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.25s ease;
            text-decoration: none;
            font-size: 0.9rem;
        }

        .footer-link:hover {
            color: #e8c468;
        }

        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin: 32px 0 20px;
        }

        /* 通用过渡 */
        .fade-in-up {
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 0.7s ease forwards;
        }

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

        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }
        .delay-4 {
            animation-delay: 0.4s;
        }

        /* 响应式辅助 */
        @media (max-width: 767px) {
            .desktop-nav-links {
                display: none !important;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .category-card {
                aspect-ratio: 3/2;
            }
            .story-section {
                background-attachment: scroll;
            }
        }

        @media (min-width: 768px) {
            .desktop-nav-links {
                display: flex !important;
            }
            .mobile-logo-only {
                display: none !important;
            }
        }

        @media (max-width: 767px) {
            .mobile-logo-only {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .header-nav .container-custom {
                justify-content: center;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1a3c5e;
            --color-primary-dark: #0f2a42;
            --color-accent: #c41e3a;
            --color-gold: #d4a853;
            --color-gold-light: #e8c97a;
            --color-bg: #f8f9fa;
            --color-bg-white: #ffffff;
            --color-text: #1a1a2e;
            --color-text-weak: #6b7280;
            --color-text-light: #9ca3af;
            --color-border: #e5e7eb;
            --color-card-shadow: rgba(0, 0, 0, 0.06);
            --color-card-shadow-hover: rgba(0, 0, 0, 0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 32px rgba(0, 0, 0, 0.08), 0 4px 10px rgba(0, 0, 0, 0.04);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.1), 0 8px 16px rgba(0, 0, 0, 0.05);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
        }

        *,
        *::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: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            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;
            border: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
            outline: none;
        }

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

        /* Container */
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Header */
        .header-nav {
            background: #ffffff;
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: var(--shadow-sm);
        }
        .header-nav .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 0.75rem;
            padding-bottom: 0.75rem;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.9rem;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--color-text-weak);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-link:hover {
            color: var(--color-accent);
            background: #fef2f4;
        }
        .nav-link.active {
            color: #ffffff;
            background: var(--color-accent);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(196, 30, 58, 0.25);
        }
        .nav-link.active:hover {
            color: #ffffff;
            background: #b01a34;
        }
        .desktop-nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: wrap;
        }

        /* Mobile logo */
        .mobile-logo-only {
            display: none;
            align-items: center;
            justify-content: center;
            width: 100%;
        }

        /* Bottom mobile nav */
        .mobile-bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background: #ffffff;
            border-top: 1px solid var(--color-border);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
            padding: 6px 4px env(safe-area-inset-bottom, 8px) 4px;
            grid-template-columns: repeat(5, 1fr);
            display: none;
        }
        .mobile-tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            padding: 6px 2px;
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--color-text-weak);
            border-radius: 10px;
            transition: all var(--transition-fast);
            text-align: center;
            min-width: 0;
        }
        .mobile-tab-item i {
            font-size: 1.1rem;
            transition: color var(--transition-fast);
        }
        .mobile-tab-item.active {
            color: var(--color-accent);
            font-weight: 600;
        }
        .mobile-tab-item.active i {
            color: var(--color-accent);
        }
        .mobile-tab-item:active {
            background: #fef2f4;
            transform: scale(0.94);
        }

        /* Hero */
        .hero-section {
            position: relative;
            background: linear-gradient(160deg, #0f2a42 0%, #1a3c5e 40%, #1e4d6e 100%);
            color: #ffffff;
            padding: 4rem 0 3.5rem;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -120px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.08);
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(196, 30, 58, 0.06);
            pointer-events: none;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 50px;
            padding: 0.4rem 1rem;
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--color-gold-light);
            backdrop-filter: blur(4px);
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.2;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
        }
        .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            line-height: 1.7;
        }
        .number-display {
            display: inline-flex;
            gap: 0.5rem;
            align-items: center;
        }
        .number-ball {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, #e8c97a 0%, #d4a853 60%, #b8943d 100%);
            color: #1a1a2e;
            font-size: 1.5rem;
            font-weight: 700;
            box-shadow: 0 4px 14px rgba(212, 168, 83, 0.4), inset 0 1px 2px rgba(255, 255, 255, 0.3);
        }

        /* Section */
        .section {
            padding: 3.5rem 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-accent);
            background: #fef2f4;
            padding: 0.3rem 0.9rem;
            border-radius: 50px;
            margin-bottom: 0.6rem;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 0.5rem;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--color-text-weak);
            max-width: 600px;
            margin: 0 auto;
        }

        /* Card */
        .card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            border: 1px solid transparent;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border);
            transform: translateY(-3px);
        }
        .card-icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 1rem;
            flex-shrink: 0;
        }
        .card-icon-red {
            background: #fef2f4;
            color: var(--color-accent);
        }
        .card-icon-blue {
            background: #eef4fb;
            color: var(--color-primary);
        }
        .card-icon-gold {
            background: #fdf6e8;
            color: var(--color-gold);
        }
        .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin: 0 0 0.5rem;
            color: var(--color-text);
        }
        .card-desc {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.65;
            margin: 0;
        }
        .card-prize {
            display: inline-block;
            margin-top: 0.75rem;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-accent);
            background: #fef2f4;
            padding: 0.3rem 0.75rem;
            border-radius: 6px;
        }

        /* Data bar */
        .data-bar {
            background: #ffffff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 2rem 1.5rem;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            text-align: center;
        }
        .data-item-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.02em;
        }
        .data-item-value .accent {
            color: var(--color-accent);
        }
        .data-item-label {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            margin-top: 0.25rem;
        }

        /* Feature list */
        .feature-list-item {
            display: flex;
            align-items: flex-start;
            gap: 0.8rem;
            padding: 1rem 0;
            border-bottom: 1px solid var(--color-border);
        }
        .feature-list-item:last-child {
            border-bottom: none;
        }
        .feature-check {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #e8f5e9;
            color: #2e7d32;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* Tags */
        .tag {
            display: inline-block;
            padding: 0.3rem 0.7rem;
            border-radius: 6px;
            font-size: 0.78rem;
            font-weight: 500;
            background: #f3f4f6;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
        }
        .tag:hover {
            background: #e5e7eb;
            color: var(--color-text);
        }
        .tag-active {
            background: var(--color-accent);
            color: #ffffff;
        }

        /* FAQ */
        .faq-item {
            background: #ffffff;
            border-radius: var(--radius-md);
            margin-bottom: 0.75rem;
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-normal);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 1.1rem 1.4rem;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--color-text);
            user-select: none;
            gap: 1rem;
        }
        .faq-question i {
            transition: transform var(--transition-normal);
            color: var(--color-text-weak);
            font-size: 0.8rem;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.4rem;
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.4rem 1.2rem;
        }
        .faq-item.open {
            border-color: #fecdd3;
            box-shadow: var(--shadow-sm);
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(150deg, #1a3c5e 0%, #0f2a42 100%);
            border-radius: var(--radius-xl);
            padding: 3rem 2.5rem;
            text-align: center;
            color: #ffffff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.1);
            pointer-events: none;
        }

        /* Button */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.65rem 1.4rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-normal);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #ffffff;
            box-shadow: 0 4px 14px rgba(196, 30, 58, 0.3);
        }
        .btn-primary:hover {
            background: #b01a34;
            box-shadow: 0 6px 20px rgba(196, 30, 58, 0.4);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
        }
        .btn-gold {
            background: var(--color-gold);
            color: #1a1a2e;
            box-shadow: 0 4px 14px rgba(212, 168, 83, 0.35);
        }
        .btn-gold:hover {
            background: var(--color-gold-light);
            box-shadow: 0 6px 20px rgba(212, 168, 83, 0.5);
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 0.85rem 2rem;
            font-size: 1rem;
        }

        /* Footer */
        .site-footer {
            background: #111827;
            color: #d1d5db;
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.5rem;
        }
        .footer-link {
            color: #9ca3af;
            font-size: 0.875rem;
            transition: color var(--transition-fast);
        }
        .footer-link:hover {
            color: #ffffff;
        }
        .footer-divider {
            border-top: 1px solid #374151;
            margin: 2rem 0 1.2rem;
        }

        /* Scroll reveal placeholder */
        .img-cover {
            border-radius: var(--radius-lg);
            object-fit: cover;
            width: 100%;
            height: auto;
            box-shadow: var(--shadow-md);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .data-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
        }
        @media (max-width: 767px) {
            .desktop-nav-links {
                display: none !important;
            }
            .mobile-logo-only {
                display: flex !important;
            }
            .header-nav .container-custom {
                justify-content: center;
                padding-top: 0.6rem;
                padding-bottom: 0.6rem;
            }
            .header-nav .container-custom>a.flex.items-center.gap-2 {
                display: none !important;
            }
            .mobile-bottom-nav {
                display: grid !important;
            }
            body {
                padding-bottom: 80px;
            }
            .hero-section {
                padding: 2.5rem 0 2rem;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .number-ball {
                width: 40px;
                height: 40px;
                font-size: 1.2rem;
            }
            .section {
                padding: 2.2rem 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .data-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.8rem;
                padding: 1.2rem 1rem;
            }
            .data-item-value {
                font-size: 1.4rem;
            }
            .cta-section {
                padding: 2rem 1.2rem;
                border-radius: var(--radius-lg);
            }
            .card {
                padding: 1.2rem;
            }
            .faq-question {
                font-size: 0.85rem;
                padding: 0.9rem 1rem;
            }
            .faq-answer {
                font-size: 0.82rem;
                padding: 0 1rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 1rem 1rem;
            }
            .container-custom {
                padding: 0 1rem;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.4rem;
            }
            .data-bar {
                grid-template-columns: 1fr 1fr;
                gap: 0.6rem;
            }
            .data-item-value {
                font-size: 1.2rem;
            }
            .data-item-label {
                font-size: 0.72rem;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .number-ball {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
            .cta-section h3 {
                font-size: 1.3rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #c41e3a;
            --color-primary-dark: #a01830;
            --color-primary-light: #e8455c;
            --color-gold: #d4a853;
            --color-gold-light: #e8c97a;
            --color-gold-dark: #b8923a;
            --color-bg: #f9fafb;
            --color-bg-cream: #fefdf9;
            --color-text: #1a1a2e;
            --color-text-soft: #5a5a72;
            --color-text-muted: #8a8a9a;
            --color-border: #e8e8ef;
            --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-nav: 0 1px 8px rgba(0, 0, 0, 0.06);
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --bottom-tab-height: 62px;
        }

        *,
        *::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: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background: #ffffff;
            min-height: 100vh;
        }

        @media (max-width: 767px) {
            body {
                padding-bottom: var(--bottom-tab-height);
                padding-bottom: calc(var(--bottom-tab-height) + env(safe-area-inset-bottom, 0px));
            }
        }

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

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

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

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

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 768px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        /* Header & Navigation */
        .header-nav {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #ffffff;
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-nav);
            transition: box-shadow var(--transition-smooth);
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            border-radius: var(--radius-sm);
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }

        .nav-link:hover {
            color: var(--color-primary);
            background: #fef5f6;
        }

        .nav-link.active {
            color: var(--color-primary);
            font-weight: 600;
            background: #fef0f2;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--color-primary);
        }

        @media (max-width: 767px) {
            .desktop-nav-links {
                display: none !important;
            }
            .mobile-logo-only {
                display: block !important;
            }
            .header-nav .container-custom {
                justify-content: center !important;
            }
            .header-nav a[href="/"] {
                display: none !important;
            }
        }

        @media (min-width: 768px) {
            .mobile-logo-only {
                display: none !important;
            }
            .desktop-nav-links {
                display: flex !important;
            }
        }

        /* Bottom Tab Navigation - Mobile */
        .bottom-tab-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 200;
            background: #ffffff;
            border-top: 1px solid var(--color-border);
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.07);
            padding-bottom: env(safe-area-inset-bottom, 0px);
            height: auto;
            min-height: var(--bottom-tab-height);
        }

        @media (max-width: 767px) {
            .bottom-tab-nav {
                display: flex;
            }
        }

        .bottom-tab-nav .tab-list {
            display: flex;
            width: 100%;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .bottom-tab-nav .tab-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 0.35rem 0.15rem 0.25rem;
            text-align: center;
            color: var(--color-text-muted);
            font-size: 0.68rem;
            font-weight: 500;
            transition: color var(--transition-fast);
            text-decoration: none;
            -webkit-tap-highlight-color: transparent;
            min-width: 0;
        }

        .bottom-tab-nav .tab-item i {
            font-size: 1.2rem;
            margin-bottom: 1px;
            transition: color var(--transition-fast);
        }

        .bottom-tab-nav .tab-item.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .bottom-tab-nav .tab-item.active i {
            color: var(--color-primary);
        }

        .bottom-tab-nav .tab-item:active {
            opacity: 0.7;
            transform: scale(0.95);
        }

        /* 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: 380px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.82) 0%, rgba(26, 26, 46, 0.55) 50%, rgba(196, 30, 58, 0.45) 100%);
            z-index: 1;
        }

        .hero-banner .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        @media (max-width: 767px) {
            .hero-banner {
                min-height: 280px;
            }
        }

        @media (min-width: 1024px) {
            .hero-banner {
                min-height: 440px;
            }
        }

        /* Section Styles */
        .section-padding {
            padding: 3.5rem 0;
        }

        @media (min-width: 768px) {
            .section-padding {
                padding: 5rem 0;
            }
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.5rem;
            letter-spacing: -0.01em;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2.1rem;
            }
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-soft);
            margin-bottom: 2rem;
            max-width: 640px;
        }

        @media (min-width: 768px) {
            .section-subtitle {
                font-size: 1.1rem;
                margin-bottom: 2.5rem;
            }
        }

        /* Card Styles */
        .card-play {
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 1.75rem 1.5rem;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }

        .card-play:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: #d0d0db;
        }

        .card-play .play-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 1rem;
            flex-shrink: 0;
        }

        .card-match {
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .card-match:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: #d0d0db;
        }

        .card-match .match-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #eef0f5;
        }

        .card-match .match-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .card-match:hover .match-img-wrap img {
            transform: scale(1.04);
        }

        .card-stat {
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            text-align: center;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
        }

        .card-stat:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #d0d0db;
        }

        /* Badge / Tag */
        .badge-tag {
            display: inline-block;
            padding: 0.25rem 0.7rem;
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 500;
            background: #fef0f2;
            color: var(--color-primary);
            white-space: nowrap;
        }

        .badge-gold {
            background: #fdf8ed;
            color: var(--color-gold-dark);
        }

        /* Button Styles */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            padding: 0.7rem 1.6rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            background: var(--color-primary);
            color: #ffffff;
            border: none;
            transition: all var(--transition-fast);
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 4px 16px rgba(196, 30, 58, 0.3);
            transform: translateY(-1px);
            color: #ffffff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(196, 30, 58, 0.25);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            padding: 0.65rem 1.5rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
            transition: all var(--transition-fast);
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: #fef5f6;
            border-color: var(--color-primary-dark);
            color: var(--color-primary-dark);
            transform: translateY(-1px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        /* FAQ Styles */
        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 0.75rem;
            overflow: hidden;
            background: #ffffff;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: #d0d0db;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }

        .faq-question {
            padding: 1.1rem 1.25rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.75rem;
            user-select: none;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: #fafafa;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.25rem;
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.75;
            background: #fafbfc;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0.8rem 1.25rem 1.1rem;
        }

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

        /* Step / Timeline */
        .step-card {
            position: relative;
            padding: 1.5rem;
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
        }

        .step-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #d0d0db;
        }

        .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 0.75rem;
            flex-shrink: 0;
        }

        /* Footer */
        .site-footer {
            background: #1a1a2e;
            color: #c5c5d5;
            padding: 3rem 0 2rem;
            font-size: 0.9rem;
        }

        @media (max-width: 767px) {
            .site-footer {
                padding: 2.5rem 0 5rem;
            }
        }

        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.5rem;
        }

        .footer-link {
            color: #a0a0b8;
            text-decoration: none;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
            display: inline-block;
            padding: 0.15rem 0;
        }

        .footer-link:hover {
            color: var(--color-gold-light);
        }

        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin: 1.8rem 0;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(160deg, #1a1a2e 0%, #1f2035 40%, #1a1a2e 100%);
            border-radius: var(--radius-xl);
            padding: 3rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(196, 30, 58, 0.15);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.12);
            pointer-events: none;
        }

        .cta-section>* {
            position: relative;
            z-index: 1;
        }

        /* Divider */
        .section-divider {
            border: none;
            border-top: 1px solid var(--color-border);
            margin: 0;
        }

        /* Focus accessibility */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* Smooth transition for all interactive */
        .card-play,
        .card-match,
        .card-stat,
        .step-card,
        .faq-item,
        .btn-primary,
        .btn-outline,
        .nav-link {
            will-change: transform;
        }

/* roulang page: category4 */
:root {
            --color-brand-red: #c41e3a;
            --color-brand-darkred: #a01830;
            --color-brand-gold: #d4a853;
            --color-brand-darkgold: #b8923a;
            --color-brand-navy: #1a2744;
            --color-bg-light: #f8f5f0;
            --color-bg-body: #fafaf9;
            --color-card: #ffffff;
            --color-text: #1f2937;
            --color-text-weak: #6b7280;
            --color-border: #e5e7eb;
            --color-border-light: #f0ece5;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 2px 8px rgba(0, 0, 0, 0.10), 0 8px 28px rgba(0, 0, 0, 0.09);
            --shadow-nav: 0 1px 4px rgba(0, 0, 0, 0.06);
            --shadow-btn: 0 2px 8px rgba(196, 30, 58, 0.25);
            --shadow-tabbar: 0 -2px 12px rgba(0, 0, 0, 0.08);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            text-size-adjust: 100%;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans SC", system-ui, sans-serif;
            line-height: 1.7;
            color: #1f2937;
            background-color: #fafaf9;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 0;
            min-height: 100vh;
        }

        @media (max-width: 767px) {
            body {
                padding-bottom: 72px;
            }
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-brand-red);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-brand-red);
            outline-offset: 3px;
            border-radius: 4px;
        }
        input {
            font-family: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        @media (min-width: 768px) {
            .container-custom {
                padding-left: 32px;
                padding-right: 32px;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 40px;
                padding-right: 40px;
            }
        }

        /* ===== Header / Nav ===== */
        .header-nav {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #ffffff;
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-nav);
            transition: box-shadow var(--transition-normal);
        }
        .header-nav.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.10);
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.85rem;
            border-radius: var(--radius-sm);
            font-size: 0.925rem;
            font-weight: 500;
            color: #4b5563;
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
            text-decoration: none;
        }
        .nav-link:hover {
            color: var(--color-brand-red);
            background: #fef2f4;
        }
        .nav-link.active {
            color: var(--color-brand-red);
            font-weight: 600;
            background: #fef2f4;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            border-radius: 2px;
            background: var(--color-brand-red);
        }

        @media (max-width: 767px) {
            .desktop-nav-links {
                display: none !important;
            }
            .mobile-logo-only {
                display: block !important;
                text-align: center;
                flex: 1;
            }
            .header-nav .container-custom {
                justify-content: center;
            }
            .header-nav .flex.items-center.justify-between {
                justify-content: center;
            }
            .header-nav a[href="/"] {
                display: none;
            }
            .header-nav .flex-shrink-0 {
                display: none;
            }
            .mobile-logo-only {
                display: flex !important;
                align-items: center;
                justify-content: center;
                gap: 0.5rem;
            }
            .mobile-logo-only .logo-icon-mobile {
                display: inline-flex;
                width: 32px;
                height: 32px;
                border-radius: 8px;
                background: #c41e3a;
                color: #fff;
                align-items: center;
                justify-content: center;
                font-weight: 700;
                font-size: 0.8rem;
            }
        }
        @media (min-width: 768px) {
            .desktop-nav-links {
                display: flex !important;
            }
            .mobile-logo-only {
                display: none !important;
            }
        }

        /* ===== Mobile Bottom Tab Bar ===== */
        .mobile-tab-bar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 200;
            background: #ffffff;
            border-top: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-tabbar);
            padding: 6px 4px;
            padding-bottom: max(6px, env(safe-area-inset-bottom));
            display: flex;
            justify-content: space-around;
            align-items: stretch;
            gap: 2px;
        }
        .mobile-tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            padding: 5px 4px;
            border-radius: 10px;
            font-size: 0.68rem;
            font-weight: 500;
            color: #9ca3af;
            text-decoration: none;
            transition: all var(--transition-fast);
            flex: 1;
            min-width: 0;
            text-align: center;
            line-height: 1.2;
            white-space: nowrap;
        }
        .mobile-tab-item i {
            font-size: 1.2rem;
            transition: color var(--transition-fast);
        }
        .mobile-tab-item.active {
            color: var(--color-brand-red);
            font-weight: 600;
            background: #fef2f4;
        }
        .mobile-tab-item.active i {
            color: var(--color-brand-red);
        }
        .mobile-tab-item:active {
            transform: scale(0.94);
            background: #fef2f4;
        }

        @media (max-width: 767px) {
            .mobile-tab-bar {
                display: flex;
            }
        }
        @media (min-width: 768px) {
            .mobile-tab-bar {
                display: none;
            }
        }

        /* ===== Hero Section ===== */
        .hero-inner {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            min-height: 380px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .hero-inner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 39, 68, 0.82) 0%, rgba(26, 39, 68, 0.55) 50%, rgba(196, 30, 58, 0.45) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 48px 32px;
            color: #ffffff;
            max-width: 680px;
        }
        @media (max-width: 767px) {
            .hero-inner {
                min-height: 320px;
                border-radius: var(--radius-lg);
            }
            .hero-content {
                padding: 32px 20px;
            }
        }

        /* ===== Section Titles ===== */
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: #1f2937;
            text-align: center;
            margin-bottom: 0.5rem;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1rem;
            color: #6b7280;
            text-align: center;
            margin-bottom: 2.5rem;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 767px) {
            .section-title {
                font-size: 1.4rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
                margin-bottom: 1.8rem;
            }
        }

        /* ===== Cards ===== */
        .card-base {
            background: #ffffff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
        }
        .card-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #e0d8cb;
        }
        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4/3;
            background: #f3f0ea;
        }
        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card-base:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        /* ===== Badge / Tag ===== */
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 0.25rem 0.7rem;
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 500;
            letter-spacing: 0.02em;
        }
        .tag-red {
            background: #fef2f4;
            color: #c41e3a;
        }
        .tag-gold {
            background: #fdf6e8;
            color: #b8923a;
        }
        .tag-navy {
            background: #eef2f8;
            color: #1a2744;
        }

        /* ===== Buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.6rem;
            background: var(--color-brand-red);
            color: #fff;
            font-weight: 600;
            border-radius: 999px;
            font-size: 0.95rem;
            box-shadow: var(--shadow-btn);
            transition: all var(--transition-normal);
            text-decoration: none;
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--color-brand-darkred);
            box-shadow: 0 4px 18px rgba(196, 30, 58, 0.38);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.65rem 1.5rem;
            background: transparent;
            color: var(--color-brand-red);
            font-weight: 600;
            border-radius: 999px;
            font-size: 0.95rem;
            border: 2px solid var(--color-brand-red);
            transition: all var(--transition-normal);
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-outline:hover {
            background: #fef2f4;
            color: var(--color-brand-darkred);
            border-color: var(--color-brand-darkred);
        }

        /* ===== Stats ===== */
        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-brand-red);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }
        .stat-label {
            font-size: 0.9rem;
            color: #6b7280;
            margin-top: 0.25rem;
        }
        @media (max-width: 767px) {
            .stat-number {
                font-size: 1.8rem;
            }
        }

        /* ===== Steps / Process ===== */
        .step-circle {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        /* ===== FAQ ===== */
        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 1.2rem 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--color-border-light);
        }
        .faq-question {
            font-weight: 600;
            font-size: 1.05rem;
            color: #1f2937;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            user-select: none;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            color: #4b5563;
            font-size: 0.95rem;
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 600px;
            padding-top: 0.75rem;
        }
        .faq-icon {
            transition: transform var(--transition-normal);
            color: #9ca3af;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            color: var(--color-brand-red);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #1a2744;
            color: #cbd5e1;
            padding: 48px 0 28px;
            margin-top: 60px;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.5rem;
        }
        .footer-link {
            color: #94a3b8;
            text-decoration: none;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
            display: inline-block;
            padding: 0.15rem 0;
        }
        .footer-link:hover {
            color: #ffffff;
        }
        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin: 28px 0 20px;
        }
        @media (max-width: 767px) {
            .site-footer {
                padding: 36px 0 32px;
                margin-top: 40px;
            }
        }

        /* ===== Section Spacing ===== */
        .section-pad {
            padding: 56px 0;
        }
        @media (max-width: 767px) {
            .section-pad {
                padding: 36px 0;
            }
        }

        /* ===== Testimonial Card ===== */
        .testimonial-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            position: relative;
        }
        .testimonial-card::before {
            content: '\201C';
            position: absolute;
            top: 8px;
            left: 16px;
            font-size: 3rem;
            color: #f0e8d5;
            line-height: 1;
            font-family: serif;
            pointer-events: none;
        }

        /* ===== Prize Highlight ===== */
        .prize-highlight {
            background: linear-gradient(135deg, #fffdf5 0%, #fff8e7 100%);
            border: 2px solid #e8d5a3;
            border-radius: var(--radius-lg);
            padding: 1.2rem 1.5rem;
            text-align: center;
        }

/* roulang page: category1 */
:root {
            --color-primary: #c41e3a;
            --color-primary-hover: #a0182e;
            --color-secondary: #1a3a5c;
            --color-accent: #d4a853;
            --color-bg: #ffffff;
            --color-bg-light: #f8fafc;
            --color-bg-warm: #fdfaf5;
            --color-text: #1e293b;
            --color-text-soft: #64748b;
            --color-text-light: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 14px 40px rgba(0, 0, 0, 0.13);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --max-width: 1200px;
        }

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

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            padding-bottom: 0;
        }

        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;
            border: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        .container-custom {
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
            width: 100%;
        }

        /* ========== Header / 顶部导航 ========== */
        .header-nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-normal);
        }
        .header-nav.scrolled {
            box-shadow: var(--shadow-md);
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.01em;
        }
        .nav-link:hover {
            color: var(--color-primary);
            background: rgba(196, 30, 58, 0.04);
        }
        .nav-link.active {
            color: var(--color-primary);
            font-weight: 600;
            background: rgba(196, 30, 58, 0.07);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background: var(--color-primary);
        }

        /* ========== 移动端底部 Tab 导航 ========== */
        .mobile-bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1001;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--color-border-light);
            box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.06);
            padding: 6px 4px env(safe-area-inset-bottom, 8px) 4px;
            display: none;
            justify-content: space-around;
            align-items: center;
        }
        .mobile-bottom-nav .tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            padding: 6px 8px;
            border-radius: 10px;
            font-size: 0.68rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            min-width: 0;
            flex-shrink: 1;
            text-align: center;
            line-height: 1.3;
        }
        .mobile-bottom-nav .tab-item i {
            font-size: 1.2rem;
            transition: color var(--transition-fast);
        }
        .mobile-bottom-nav .tab-item.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .mobile-bottom-nav .tab-item.active i {
            color: var(--color-primary);
        }
        .mobile-bottom-nav .tab-item:active {
            transform: scale(0.94);
            background: rgba(196, 30, 58, 0.06);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 0.875rem;
            color: var(--color-text-soft);
            padding: 14px 0;
        }
        .breadcrumb a {
            color: var(--color-text-soft);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb .separator {
            color: var(--color-text-light);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ========== Hero Banner ========== */
        .category-hero {
            position: relative;
            padding: 70px 0 80px;
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            color: #ffffff;
            overflow: hidden;
            border-radius: 0 0 var(--radius-xl) var(--radius-xl);
            margin-bottom: 0;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 26, 46, 0.88) 0%, rgba(26, 58, 92, 0.78) 40%, rgba(196, 30, 58, 0.55) 100%);
            z-index: 1;
            border-radius: 0 0 var(--radius-xl) var(--radius-xl);
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }
        .category-hero .hero-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #1a1a1a;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }
        .category-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }
        .category-hero .hero-desc {
            font-size: 1.1rem;
            line-height: 1.7;
            opacity: 0.92;
            margin-bottom: 28px;
            max-width: 560px;
        }
        .category-hero .hero-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .category-hero .hero-stat {
            text-align: center;
        }
        .category-hero .hero-stat .stat-num {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1;
            color: var(--color-accent);
        }
        .category-hero .hero-stat .stat-label {
            font-size: 0.8rem;
            opacity: 0.8;
            margin-top: 4px;
        }

        /* ========== 板块通用 ========== */
        .section-padding {
            padding: 60px 0;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            margin-bottom: 36px;
            max-width: 600px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }

        /* ========== 卡片 ========== */
        .card-hover {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            overflow: hidden;
        }
        .card-hover:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #f1f5f9;
        }
        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card-hover:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-primary);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 4px;
            letter-spacing: 0.03em;
            z-index: 2;
        }
        .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 20px;
            background: rgba(196, 30, 58, 0.08);
            color: var(--color-primary);
            letter-spacing: 0.02em;
        }

        /* ========== 按钮 ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 26px;
            border-radius: 30px;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 14px rgba(196, 30, 58, 0.28);
            letter-spacing: 0.02em;
        }
        .btn-primary:hover {
            background: var(--color-primary-hover);
            box-shadow: 0 6px 20px rgba(196, 30, 58, 0.38);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 11px 24px;
            border-radius: 30px;
            border: 2px solid var(--color-primary);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
        }
        .btn-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #1a1a1a;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 12px 26px;
            border-radius: 30px;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 14px rgba(212, 168, 83, 0.35);
            letter-spacing: 0.02em;
        }
        .btn-gold:hover {
            background: #c49a3a;
            box-shadow: 0 6px 20px rgba(212, 168, 83, 0.45);
            transform: translateY(-1px);
            color: #1a1a1a;
        }

        /* ========== FAQ ========== */
        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            padding: 0;
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition-normal);
        }
        .faq-item:hover {
            border-color: var(--color-border);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            padding: 18px 20px;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--color-text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            transition: color var(--transition-fast);
            line-height: 1.5;
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(196, 30, 58, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--color-primary);
            transition: all var(--transition-fast);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            background: var(--color-primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.8;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0f1a2e;
            color: #cbd5e1;
            padding: 48px 0 24px;
            margin-top: 0;
            border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
        }
        .footer-link {
            color: #94a3b8;
            font-size: 0.875rem;
            transition: color var(--transition-fast);
            display: inline-block;
            padding: 2px 0;
        }
        .footer-link:hover {
            color: var(--color-accent);
        }
        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin: 28px 0 20px;
        }

        /* ========== 数据高亮卡片 ========== */
        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: transparent;
            transform: translateY(-2px);
        }
        .stat-card .stat-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            font-size: 1.3rem;
            background: rgba(212, 168, 83, 0.12);
            color: var(--color-accent);
        }
        .stat-card .stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-secondary);
            line-height: 1;
        }
        .stat-card .stat-desc {
            font-size: 0.82rem;
            color: var(--color-text-soft);
            margin-top: 6px;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .category-hero h1 {
                font-size: 2.2rem;
            }
            .category-hero {
                padding: 50px 0 60px;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .category-hero::before {
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .section-padding {
                padding: 44px 0;
            }
            .desktop-nav-links .nav-link {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
        }
        @media (max-width: 768px) {
            .desktop-nav-links {
                display: none !important;
            }
            .mobile-logo-only {
                display: flex !important;
                justify-content: center;
                align-items: center;
                width: 100%;
            }
            .header-nav .container-custom {
                justify-content: center;
            }
            .mobile-bottom-nav {
                display: flex !important;
            }
            body {
                padding-bottom: 80px;
            }
            .category-hero {
                padding: 40px 0 48px;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
            }
            .category-hero::before {
                border-radius: 0 0 var(--radius-md) var(--radius-md);
            }
            .category-hero h1 {
                font-size: 1.75rem;
            }
            .category-hero .hero-desc {
                font-size: 0.95rem;
            }
            .category-hero .hero-stats-row {
                gap: 16px;
            }
            .category-hero .hero-stat .stat-num {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-padding {
                padding: 34px 0;
            }
            .card-hover {
                border-radius: var(--radius-md);
            }
            .stat-card {
                padding: 16px 12px;
            }
            .stat-card .stat-value {
                font-size: 1.5rem;
            }
            .site-footer {
                padding: 36px 0 20px;
                border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            }
            .site-footer .grid {
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .category-hero {
                padding: 32px 0 36px;
                border-radius: 0 0 var(--radius-sm) var(--radius-sm);
            }
            .category-hero::before {
                border-radius: 0 0 var(--radius-sm) var(--radius-sm);
            }
            .category-hero h1 {
                font-size: 1.45rem;
            }
            .category-hero .hero-desc {
                font-size: 0.85rem;
            }
            .category-hero .hero-stats-row {
                gap: 10px;
            }
            .category-hero .hero-stat .stat-num {
                font-size: 1.2rem;
            }
            .container-custom {
                padding-left: 14px;
                padding-right: 14px;
            }
            .section-padding {
                padding: 28px 0;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .section-subtitle {
                font-size: 0.85rem;
                margin-bottom: 24px;
            }
            .btn-primary,
            .btn-outline,
            .btn-gold {
                font-size: 0.85rem;
                padding: 10px 18px;
                border-radius: 24px;
            }
            .card-img-wrap {
                aspect-ratio: 16 / 11;
            }
            .mobile-bottom-nav .tab-item {
                font-size: 0.62rem;
                padding: 4px 5px;
                gap: 2px;
            }
            .mobile-bottom-nav .tab-item i {
                font-size: 1rem;
            }
            .stat-card .stat-value {
                font-size: 1.3rem;
            }
            .stat-card .stat-desc {
                font-size: 0.72rem;
            }
            .faq-question {
                font-size: 0.88rem;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
            .faq-answer p {
                font-size: 0.82rem;
            }
            .site-footer {
                border-radius: var(--radius-md) var(--radius-md) 0 0;
            }
        }
        @media (min-width: 769px) {
            .mobile-bottom-nav {
                display: none !important;
            }
            .mobile-logo-only {
                display: none !important;
            }
            body {
                padding-bottom: 0;
            }
        }