/* roulang page: index */
/* ========== 设计变量 ========== */
        :root {
            --primary: #1a2744;
            --primary-dark: #0f1a30;
            --primary-light: #243560;
            --gold: #c8963e;
            --gold-light: #d4a853;
            --gold-pale: #f5ecd7;
            --gold-dark: #a67c2e;
            --bg: #f8f7f4;
            --bg-alt: #f0ede6;
            --card-bg: #ffffff;
            --text: #1f1f1f;
            --text-secondary: #5a5d66;
            --text-light: #7d818c;
            --text-on-dark: #e8e9ec;
            --text-on-primary: #ffffff;
            --border: #e5e0d8;
            --border-light: #f0ece5;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.07), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.13), 0 8px 20px rgba(0, 0, 0, 0.06);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --radius-btn: 28px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans SC', -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans SC', -apple-system, sans-serif;
            --max-width: 1200px;
            --nav-height: 70px;
        }

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

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            min-width: 320px;
            overflow-x: hidden;
        }

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

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

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

        @media (min-width: 768px) {
            .container-custom {
                padding-left: 32px;
                padding-right: 32px;
            }
        }
        @media (min-width: 1200px) {
            .container-custom {
                padding-left: 40px;
                padding-right: 40px;
            }
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: #ffffff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            height: 100%;
        }
        @media (min-width: 768px) {
            .header-inner {
                padding: 0 32px;
            }
        }
        @media (min-width: 1200px) {
            .header-inner {
                padding: 0 40px;
            }
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }
        .logo-brand .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 24px;
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-links li a:hover {
            color: var(--primary);
            background: rgba(26, 39, 68, 0.05);
        }
        .nav-links li a.active-nav {
            color: var(--gold-dark);
            background: var(--gold-pale);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            position: relative;
            display: none;
        }
        @media (min-width: 992px) {
            .nav-search {
                display: block;
            }
        }
        .nav-search input {
            width: 200px;
            height: 40px;
            border-radius: 24px;
            border: 1.5px solid var(--border);
            padding: 0 40px 0 16px;
            font-size: 0.9rem;
            background: var(--bg);
            transition: all var(--transition);
            outline: none;
            color: var(--text);
        }
        .nav-search input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(200, 150, 62, 0.08);
            background: #fff;
            width: 240px;
        }
        .nav-search .search-icon {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 0.85rem;
            pointer-events: none;
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            background: var(--gold);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(200, 150, 62, 0.3);
        }
        .btn-nav-cta:hover {
            background: var(--gold-dark);
            color: #fff;
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.4);
            transform: translateY(-1px);
        }
        /* 移动端导航 */
        .navbar-toggler-custom {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            border: 1.5px solid var(--border);
            background: #fff;
            cursor: pointer;
            transition: all var(--transition);
            flex-shrink: 0;
        }
        .navbar-toggler-custom:hover {
            background: var(--bg);
            border-color: var(--gold);
        }
        .navbar-toggler-custom i {
            font-size: 1.2rem;
            color: var(--primary);
        }
        @media (min-width: 992px) {
            .navbar-toggler-custom {
                display: none;
            }
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 1040;
            flex-direction: column;
            padding: 20px;
            gap: 12px;
            overflow-y: auto;
        }
        .mobile-menu.show {
            display: flex;
        }
        @media (min-width: 992px) {
            .mobile-menu {
                display: none !important;
            }
            .desktop-nav-list {
                display: flex !important;
            }
        }
        .desktop-nav-list {
            display: none;
        }
        @media (min-width: 992px) {
            .desktop-nav-list {
                display: flex;
            }
        }
        .mobile-menu a {
            display: block;
            padding: 14px 20px;
            border-radius: var(--radius-md);
            font-weight: 500;
            font-size: 1.05rem;
            color: var(--text);
            background: var(--bg);
            transition: all var(--transition);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active-nav {
            background: var(--gold-pale);
            color: var(--gold-dark);
        }
        .mobile-menu .mobile-search-wrap {
            position: relative;
            margin-bottom: 8px;
        }
        .mobile-menu .mobile-search-wrap input {
            width: 100%;
            height: 46px;
            border-radius: 24px;
            border: 1.5px solid var(--border);
            padding: 0 44px 0 16px;
            font-size: 1rem;
            background: var(--bg);
            outline: none;
        }
        .mobile-menu .mobile-search-wrap .search-icon {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            min-height: 600px;
            display: flex;
            align-items: center;
            background: var(--primary-dark);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 26, 48, 0.88) 0%, rgba(26, 39, 68, 0.78) 40%, rgba(15, 26, 48, 0.85) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0;
            color: #fff;
            max-width: 700px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 24px;
            padding: 6px 16px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--gold-light);
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .hero-badge .badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--gold-light);
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 0 0 rgba(212, 168, 83, 0.6);
            }
            50% {
                opacity: 0.7;
                box-shadow: 0 0 0 10px rgba(212, 168, 83, 0);
            }
        }
        .hero-title {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .hero-title .gold-text {
            color: var(--gold-light);
        }
        .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 600px;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: var(--radius-btn);
            background: var(--gold);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            transition: all var(--transition);
            box-shadow: 0 4px 18px rgba(200, 150, 62, 0.35);
        }
        .btn-hero-primary:hover {
            background: var(--gold-light);
            box-shadow: 0 6px 24px rgba(200, 150, 62, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: var(--radius-btn);
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition);
        }
        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-2px);
        }
        @media (max-width: 767px) {
            .hero-section {
                min-height: 520px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 10px;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                justify-content: center;
                width: 100%;
            }
        }

        /* ========== 板块通用 ========== */
        .section-padding {
            padding: 70px 0;
        }
        @media (max-width: 767px) {
            .section-padding {
                padding: 48px 0;
            }
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--gold-dark);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 10px;
            background: var(--gold-pale);
            padding: 5px 14px;
            border-radius: 20px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }
        @media (max-width: 767px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ========== 数据统计 ========== */
        .stats-section {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
        }
        .stat-card {
            text-align: center;
            padding: 28px 20px;
            border-radius: var(--radius-lg);
            background: var(--bg);
            transition: all var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            background: #fff;
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 8px;
            font-family: var(--font-heading);
        }
        .stat-number .gold-plus {
            color: var(--gold);
        }
        .stat-label {
            font-size: 0.95rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        @media (max-width: 767px) {
            .stat-number {
                font-size: 2.2rem;
            }
            .stat-card {
                padding: 20px 14px;
            }
        }

        /* ========== 核心优势卡片 ========== */
        .advantage-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .advantage-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--gold) 0%, var(--gold-light) 100%);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .advantage-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .advantage-card:hover::before {
            opacity: 1;
        }
        .adv-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: var(--gold-pale);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--gold-dark);
            margin-bottom: 18px;
            transition: all var(--transition);
        }
        .advantage-card:hover .adv-icon {
            background: var(--gold);
            color: #fff;
            box-shadow: 0 6px 20px rgba(200, 150, 62, 0.35);
        }
        .adv-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .adv-desc {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== 分类入口卡片 ========== */
        .category-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-5px);
            border-color: transparent;
        }
        .category-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .category-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .category-card:hover .category-card-img img {
            transform: scale(1.06);
        }
        .category-card-img .cat-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 26, 48, 0.5) 0%, transparent 50%);
        }
        .category-card-body {
            padding: 22px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .category-card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
            flex: 1;
        }
        .cat-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--gold-dark);
            transition: all var(--transition);
        }
        .cat-link i {
            transition: transform var(--transition);
        }
        .cat-link:hover {
            color: var(--gold);
        }
        .cat-link:hover i {
            transform: translateX(4px);
        }

        /* ========== 品牌故事 ========== */
        .story-section {
            background: var(--primary-dark);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            color: #fff;
        }
        .story-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 26, 48, 0.85);
            z-index: 1;
        }
        .story-section .container-custom {
            position: relative;
            z-index: 2;
        }
        .story-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }
        .story-content .section-label {
            background: rgba(255, 255, 255, 0.12);
            color: var(--gold-light);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .story-content .section-title {
            color: #fff;
        }
        .story-text {
            font-size: 1.05rem;
            line-height: 2;
            color: rgba(255, 255, 255, 0.88);
            text-align: left;
            margin-top: 24px;
        }
        .story-text p {
            margin-bottom: 16px;
        }
        .story-image-wrap {
            margin-top: 32px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
        }
        .story-image-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        /* ========== 热门服务/赛事 ========== */
        .service-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            height: 100%;
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .service-card-img {
            height: 180px;
            overflow: hidden;
        }
        .service-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .service-card:hover .service-card-img img {
            transform: scale(1.05);
        }
        .service-card-body {
            padding: 20px;
        }
        .service-card-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .service-card-body p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }
        .service-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            background: var(--gold-pale);
            color: var(--gold-dark);
            margin-bottom: 10px;
        }

        /* ========== 用户口碑 ========== */
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            height: 100%;
            position: relative;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--gold-pale);
            position: absolute;
            top: 16px;
            right: 20px;
            line-height: 1;
        }
        .testimonial-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
            font-style: italic;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .testimonial-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
        }
        .testimonial-role {
            font-size: 0.8rem;
            color: var(--text-light);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: #fff;
        }
        .accordion-custom .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: #fff;
            transition: all var(--transition);
        }
        .accordion-custom .accordion-item:hover {
            border-color: var(--border);
        }
        .accordion-custom .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--primary);
            background: #fff;
            padding: 18px 20px;
            border-radius: var(--radius-md) !important;
            box-shadow: none !important;
            transition: all var(--transition);
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--gold-pale);
            color: var(--gold-dark);
            border-bottom-left-radius: 0 !important;
            border-bottom-right-radius: 0 !important;
        }
        .accordion-custom .accordion-button::after {
            transition: transform var(--transition);
        }
        .accordion-custom .accordion-body {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            padding: 16px 20px 20px;
            background: #fafaf8;
        }

        /* ========== 新闻资讯 ========== */
        .news-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .news-date {
            font-size: 0.82rem;
            color: var(--text-light);
            margin-bottom: 8px;
            font-weight: 500;
        }
        .news-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .news-summary {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }
        .news-readmore {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--gold-dark);
            transition: all var(--transition);
            align-self: flex-start;
        }
        .news-readmore:hover {
            color: var(--gold);
        }
        .news-readmore i {
            transition: transform var(--transition);
        }
        .news-readmore:hover i {
            transform: translateX(3px);
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            text-align: center;
        }
        .cta-title {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }
        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 15px 36px;
            border-radius: var(--radius-btn);
            background: var(--gold);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            transition: all var(--transition);
            box-shadow: 0 6px 24px rgba(200, 150, 62, 0.4);
        }
        .btn-cta-large:hover {
            background: var(--gold-light);
            box-shadow: 0 8px 32px rgba(200, 150, 62, 0.55);
            transform: translateY(-3px);
            color: #fff;
        }
        @media (max-width: 767px) {
            .cta-title {
                font-size: 1.5rem;
            }
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        @media (max-width: 991px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 575px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .footer-brand-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            font-family: var(--font-heading);
        }
        .footer-desc {
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
            font-size: 0.88rem;
        }
        .footer-col ul li a:hover {
            color: var(--gold-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.82rem;
        }

        /* ========== 通用按钮 ========== */
        .btn-gold {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            background: var(--gold);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            transition: all var(--transition);
            box-shadow: 0 2px 10px rgba(200, 150, 62, 0.25);
        }
        .btn-gold:hover {
            background: var(--gold-dark);
            color: #fff;
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.4);
            transform: translateY(-1px);
        }
        .btn-outline-dark {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            border: 2px solid var(--primary);
            transition: all var(--transition);
        }
        .btn-outline-dark:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-1px);
        }

        /* ========== 装饰分隔 ========== */
        .divider-gold {
            width: 60px;
            height: 3px;
            background: var(--gold);
            border-radius: 2px;
            margin: 0 auto 20px;
        }

        /* ========== 响应式微调 ========== */
        @media (max-width: 767px) {
            .advantage-card {
                padding: 24px 18px;
            }
            .category-card-img {
                height: 160px;
            }
            .service-card-img {
                height: 150px;
            }
            .testimonial-card {
                padding: 22px 16px;
            }
            .news-card {
                padding: 18px;
            }
            .hero-content {
                padding: 60px 0;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1a3c5e;
            --primary-light: #2a5a8a;
            --primary-dark: #0f2440;
            --accent: #c8a45c;
            --accent-light: #e0c78a;
            --accent-dark: #a07d3a;
            --surface: #ffffff;
            --surface-alt: #f8f6f2;
            --surface-warm: #fdf9f2;
            --text-primary: #1a1a1a;
            --text-secondary: #5a5a5a;
            --text-muted: #8a8a8a;
            --text-on-dark: #e8e8e8;
            --border-light: #e5e0d8;
            --border-medium: #d5cfc5;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 22px rgba(0, 0, 0, 0.09);
            --shadow-lg: 0 14px 40px rgba(0, 0, 0, 0.12);
            --shadow-accent: 0 6px 24px rgba(200, 164, 92, 0.25);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Segoe UI', sans-serif;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

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

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

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

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

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

        button,
        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1260px;
            margin: 0 auto;
            padding: 0 28px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 18px;
            }
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: #ffffff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1260px;
            margin: 0 auto;
            padding: 0 28px;
            height: 64px;
            gap: 20px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--primary);
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
        }

        .logo-brand:hover {
            color: var(--primary-light);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 1.2rem;
            font-weight: 700;
            flex-shrink: 0;
        }

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

        .desktop-nav-list .nav-links li a {
            display: inline-block;
            padding: 10px 16px;
            border-radius: 22px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .desktop-nav-list .nav-links li a:hover {
            color: var(--primary);
            background: rgba(26, 60, 94, 0.05);
        }

        .desktop-nav-list .nav-links li a.active-nav {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(26, 60, 94, 0.3);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search input {
            width: 190px;
            padding: 9px 38px 9px 16px;
            border: 1.5px solid var(--border-light);
            border-radius: 22px;
            font-size: 0.9rem;
            background: #fafaf8;
            transition: all var(--transition-smooth);
            outline: none;
            color: var(--text-primary);
        }

        .nav-search input:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(26, 60, 94, 0.08);
            background: #fff;
            width: 220px;
        }

        .nav-search .search-icon {
            position: absolute;
            right: 14px;
            color: var(--text-muted);
            font-size: 0.85rem;
            pointer-events: none;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            background: var(--accent);
            color: #fff;
            border-radius: 22px;
            font-weight: 600;
            font-size: 0.92rem;
            white-space: nowrap;
            transition: all var(--transition-smooth);
            border: none;
            text-decoration: none;
        }

        .btn-nav-cta:hover {
            background: var(--accent-dark);
            color: #fff;
            box-shadow: var(--shadow-accent);
            transform: translateY(-1px);
        }

        .navbar-toggler-custom {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .navbar-toggler-custom:hover {
            background: rgba(26, 60, 94, 0.06);
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: 64px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-md);
            padding: 16px 28px 20px;
            flex-direction: column;
            gap: 6px;
            z-index: 1049;
        }

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

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

        .mobile-menu a:hover {
            background: rgba(26, 60, 94, 0.04);
            color: var(--primary);
        }

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

        .mobile-search-wrap {
            position: relative;
            margin-bottom: 4px;
        }

        .mobile-search-wrap input {
            width: 100%;
            padding: 11px 40px 11px 16px;
            border: 1.5px solid var(--border-light);
            border-radius: 22px;
            font-size: 0.9rem;
            background: #fafaf8;
            outline: none;
        }

        .mobile-search-wrap .search-icon {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        @media (max-width: 1024px) {
            .desktop-nav-list {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .navbar-toggler-custom {
                display: block;
            }
            .header-inner {
                height: 58px;
                padding: 0 18px;
            }
            .mobile-menu {
                top: 58px;
            }
        }

        @media (min-width: 1025px) {
            .mobile-menu {
                display: none !important;
            }
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            min-height: 340px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 36, 64, 0.88) 0%, rgba(26, 60, 94, 0.78) 40%, rgba(26, 60, 94, 0.65) 100%);
            z-index: 1;
        }

        .page-banner-content {
            position: relative;
            z-index: 2;
            color: #fff;
            padding: 50px 0;
        }

        .page-banner-content .banner-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .page-banner-content h1 {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 700;
            margin: 0 0 14px;
            letter-spacing: 0.5px;
            line-height: 1.25;
        }

        .page-banner-content .banner-sub {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .page-banner {
                min-height: 260px;
            }
            .page-banner-content h1 {
                font-size: 1.8rem;
            }
            .page-banner-content .banner-sub {
                font-size: 0.95rem;
            }
            .page-banner-content {
                padding: 36px 0;
            }
        }

        /* ========== SECTION TITLES ========== */
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-dark);
            background: rgba(200, 164, 92, 0.1);
            padding: 5px 14px;
            border-radius: 16px;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin: 0 0 10px;
            line-height: 1.3;
        }

        .section-desc {
            color: var(--text-secondary);
            font-size: 1.02rem;
            max-width: 650px;
            margin: 0 auto 40px;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-desc {
                font-size: 0.93rem;
                margin-bottom: 28px;
            }
        }

        /* ========== HOT DEALS ========== */
        .hot-deals-section {
            padding: var(--section-gap) 0;
            background: var(--surface);
        }

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

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

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

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

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

        .deal-card .deal-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: #e74c3c;
            color: #fff;
            padding: 5px 13px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            z-index: 2;
        }

        .deal-card .deal-badge.hot {
            background: #e74c3c;
        }

        .deal-card .deal-badge.new {
            background: #27ae60;
        }

        .deal-card .deal-badge.limited {
            background: #f39c12;
        }

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

        .deal-card .deal-body h3 {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .deal-card .deal-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            margin: 0 0 16px;
            flex: 1;
        }

        .deal-card .deal-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 14px;
        }

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

        .btn-deal {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 20px;
            background: var(--primary);
            color: #fff;
            border-radius: 22px;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-decoration: none;
            align-self: flex-start;
        }

        .btn-deal:hover {
            background: var(--primary-light);
            color: #fff;
            box-shadow: 0 4px 16px rgba(26, 60, 94, 0.3);
            transform: translateY(-2px);
        }

        /* ========== FULL PROMO LIST ========== */
        .promo-list-section {
            padding: var(--section-gap) 0;
            background: var(--surface-alt);
        }

        .promo-list-item {
            display: flex;
            gap: 24px;
            align-items: center;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 22px 26px;
            margin-bottom: 16px;
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
        }

        .promo-list-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--accent-light);
            transform: translateX(3px);
        }

        .promo-list-item .promo-icon-circle {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
        }

        .promo-list-item .promo-icon-circle.variant-2 {
            background: linear-gradient(135deg, #c8a45c, #e0c78a);
        }

        .promo-list-item .promo-icon-circle.variant-3 {
            background: linear-gradient(135deg, #27ae60, #2ecc71);
        }

        .promo-list-item .promo-icon-circle.variant-4 {
            background: linear-gradient(135deg, #8e44ad, #a569bd);
        }

        .promo-list-item .promo-info {
            flex: 1;
        }

        .promo-list-item .promo-info h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin: 0 0 4px;
        }

        .promo-list-item .promo-info p {
            color: var(--text-secondary);
            font-size: 0.88rem;
            margin: 0;
            line-height: 1.5;
        }

        .promo-list-item .promo-arrow {
            flex-shrink: 0;
            color: var(--accent);
            font-size: 1.1rem;
            transition: transform var(--transition-fast);
        }

        .promo-list-item:hover .promo-arrow {
            transform: translateX(4px);
        }

        @media (max-width: 576px) {
            .promo-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 18px 20px;
            }
            .promo-list-item .promo-arrow {
                align-self: flex-end;
            }
        }

        /* ========== VIP SECTION ========== */
        .vip-section {
            padding: var(--section-gap) 0;
            background: var(--surface-warm);
        }

        .vip-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

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

        .vip-card.featured {
            border: 2px solid var(--accent);
            box-shadow: var(--shadow-accent);
        }

        .vip-card .vip-tier-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 6px 16px;
            border-radius: 16px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 14px;
        }

        .vip-card.featured .vip-tier-badge {
            background: var(--accent);
            color: #fff;
        }

        .vip-card .vip-icon {
            font-size: 2.8rem;
            color: var(--accent);
            margin-bottom: 10px;
        }

        .vip-card h4 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin: 0 0 8px;
        }

        .vip-card .vip-benefits {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            text-align: left;
        }

        .vip-card .vip-benefits li {
            padding: 6px 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            border-bottom: 1px dashed var(--border-light);
        }

        .vip-card .vip-benefits li:last-child {
            border-bottom: none;
        }

        .vip-card .vip-benefits li i {
            color: #27ae60;
            margin-right: 8px;
        }

        .btn-vip {
            display: inline-block;
            padding: 10px 28px;
            background: var(--primary);
            color: #fff;
            border-radius: 22px;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-decoration: none;
        }

        .btn-vip:hover {
            background: var(--primary-light);
            color: #fff;
            box-shadow: 0 4px 16px rgba(26, 60, 94, 0.3);
        }

        .vip-card.featured .btn-vip {
            background: var(--accent);
        }

        .vip-card.featured .btn-vip:hover {
            background: var(--accent-dark);
            box-shadow: var(--shadow-accent);
        }

        /* ========== RULES SECTION ========== */
        .rules-section {
            padding: var(--section-gap) 0;
            background: #fff;
        }

        .rule-card {
            background: var(--surface-alt);
            border-radius: var(--radius-md);
            padding: 24px 26px;
            border-left: 4px solid var(--accent);
            margin-bottom: 16px;
            transition: all var(--transition-smooth);
        }

        .rule-card:hover {
            box-shadow: var(--shadow-sm);
            background: #fff;
        }

        .rule-card h4 {
            font-family: var(--font-heading);
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin: 0 0 8px;
        }

        .rule-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin: 0;
            line-height: 1.6;
        }

        /* ========== CTA SECTION ========== */
        .cta-section-alt {
            padding: var(--section-gap) 0;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section-alt::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }

        .cta-section-alt::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }

        .cta-section-alt .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            color: #fff;
        }

        .cta-section-alt h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            margin: 0 0 12px;
        }

        .cta-section-alt p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 550px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .btn-cta-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            background: var(--accent);
            color: #fff;
            border-radius: 26px;
            font-weight: 700;
            font-size: 1.02rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-decoration: none;
            letter-spacing: 0.5px;
        }

        .btn-cta-accent:hover {
            background: var(--accent-light);
            color: #1a1a1a;
            box-shadow: 0 8px 30px rgba(200, 164, 92, 0.4);
            transform: translateY(-3px);
        }

        @media (max-width: 768px) {
            .cta-section-alt h2 {
                font-size: 1.5rem;
            }
            .cta-section-alt p {
                font-size: 0.93rem;
            }
            .btn-cta-accent {
                padding: 12px 28px;
                font-size: 0.93rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1f2b;
            color: #c5c8ce;
            padding: 50px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand-name {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: #a0a4ab;
            line-height: 1.7;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
        }

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

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

        .footer-col ul li a {
            color: #a0a4ab;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            text-align: center;
            padding: 20px 0;
            font-size: 0.82rem;
            color: #888b90;
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
        }

        /* ========== UTILITIES ========== */
        .text-center {
            text-align: center;
        }
        .mb-2 {
            margin-bottom: 8px;
        }
        .mb-3 {
            margin-bottom: 16px;
        }
        .mb-4 {
            margin-bottom: 24px;
        }
        .mt-2 {
            margin-top: 8px;
        }
        .mt-3 {
            margin-top: 16px;
        }
        .mt-4 {
            margin-top: 24px;
        }
        .pt-0 {
            padding-top: 0 !important;
        }
        .pb-0 {
            padding-bottom: 0 !important;
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 52px;
                --section-gap-sm: 32px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #C8922B;
            --primary-hover: #A6781F;
            --primary-light: #FDF3E0;
            --primary-soft: #FFF8ED;
            --secondary: #1A2A3F;
            --secondary-light: #243447;
            --accent: #E8A838;
            --bg: #F8F9FA;
            --bg-white: #FFFFFF;
            --text: #1E1E1E;
            --text-secondary: #5A5F66;
            --text-muted: #8B9098;
            --border: #E5E7EB;
            --border-light: #F0F1F3;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 12px 56px rgba(0, 0, 0, 0.15);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

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

        /* Container */
        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
            height: 64px;
            gap: 20px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--secondary);
            white-space: nowrap;
            flex-shrink: 0;
            text-decoration: none;
            transition: opacity var(--transition);
        }
        .logo-brand:hover {
            opacity: 0.85;
            color: var(--secondary);
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            color: #fff;
            font-weight: 800;
            font-size: 1.15rem;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }

        .desktop-nav-list .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .desktop-nav-list .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .desktop-nav-list .nav-links li a:hover {
            color: var(--primary);
            background: var(--primary-soft);
        }
        .desktop-nav-list .nav-links li a.active-nav {
            color: var(--primary);
            background: var(--primary-soft);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }
        .nav-search input {
            width: 190px;
            padding: 9px 36px 9px 14px;
            border: 1.5px solid var(--border);
            border-radius: 22px;
            font-size: 0.875rem;
            color: var(--text);
            background: var(--bg);
            transition: all var(--transition);
            outline: none;
        }
        .nav-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(200, 146, 43, 0.08);
            background: var(--bg-white);
            width: 220px;
        }
        .nav-search .search-icon {
            position: absolute;
            right: 14px;
            color: var(--text-muted);
            font-size: 0.85rem;
            pointer-events: none;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 10px 22px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            color: #fff !important;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: 22px;
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
            text-decoration: none;
            box-shadow: 0 2px 8px rgba(200, 146, 43, 0.3);
        }
        .btn-nav-cta:hover {
            background: linear-gradient(135deg, var(--primary-hover) 0%, #c78f2e 100%);
            box-shadow: 0 4px 16px rgba(200, 146, 43, 0.4);
            transform: translateY(-1px);
            color: #fff !important;
        }

        .navbar-toggler-custom {
            display: none;
            background: none;
            border: 1.5px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            font-size: 1.3rem;
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .navbar-toggler-custom:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* Mobile Menu */
        .mobile-menu {
            display: none;
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            padding: 16px 24px;
            flex-direction: column;
            gap: 4px;
            box-shadow: var(--shadow-md);
        }
        .mobile-menu.active {
            display: flex;
        }
        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            text-decoration: none;
        }
        .mobile-menu a:hover,
        .mobile-menu a.active-nav {
            color: var(--primary);
            background: var(--primary-soft);
            font-weight: 600;
        }
        .mobile-search-wrap {
            position: relative;
            margin-bottom: 8px;
        }
        .mobile-search-wrap input {
            width: 100%;
            padding: 11px 40px 11px 16px;
            border: 1.5px solid var(--border);
            border-radius: 22px;
            font-size: 0.9rem;
            color: var(--text);
            background: var(--bg);
            outline: none;
            transition: all var(--transition);
        }
        .mobile-search-wrap input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(200, 146, 43, 0.08);
            background: var(--bg-white);
        }
        .mobile-search-wrap .search-icon {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 0.85rem;
            pointer-events: none;
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            background: url('assets/images/backpic/back-3.webp') center/cover no-repeat;
            padding: 80px 0;
            display: flex;
            align-items: center;
            min-height: 320px;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 42, 63, 0.88) 0%, rgba(26, 42, 63, 0.7) 100%);
            z-index: 1;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            color: #fff;
        }
        .page-banner .banner-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 255, 255, 0.18);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            color: #fff;
            backdrop-filter: blur(4px);
        }
        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
            line-height: 1.25;
        }
        .page-banner .banner-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            line-height: 1.6;
        }

        /* Section Styles */
        .section-padding {
            padding: 70px 0;
        }
        .section-padding-sm {
            padding: 50px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        .section-header .section-line {
            width: 56px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 3px;
            margin: 14px auto;
        }
        .section-header p {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto;
        }

        /* Step Cards */
        .step-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            height: 100%;
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            color: #fff;
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 18px;
            box-shadow: 0 4px 14px rgba(200, 146, 43, 0.3);
        }
        .step-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }
        .step-connector {
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.3rem;
            height: 100%;
            min-height: 30px;
        }

        /* Article Card */
        .article-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: #e0d5c0;
        }
        .article-card-img {
            position: relative;
            height: 200px;
            overflow: hidden;
            background: #eef1f5;
        }
        .article-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .article-card:hover .article-card-img img {
            transform: scale(1.06);
        }
        .article-card-img .article-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 12px;
            background: var(--primary);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            border-radius: 14px;
            z-index: 2;
        }
        .article-card-body {
            padding: 20px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .article-card-body .article-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: flex;
            gap: 14px;
            align-items: center;
        }
        .article-card-body .article-excerpt {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }
        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--primary);
            transition: all var(--transition);
            align-self: flex-start;
            text-decoration: none;
        }
        .btn-read-more:hover {
            color: var(--primary-hover);
            gap: 10px;
        }

        /* Tutorial Highlight */
        .tutorial-block {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            display: flex;
            gap: 28px;
            align-items: flex-start;
            transition: all var(--transition);
            height: 100%;
        }
        .tutorial-block:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .tutorial-icon-wrap {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            border-radius: var(--radius);
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary);
        }
        .tutorial-info h5 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 6px;
        }
        .tutorial-info p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* FAQ */
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: #e0d5c0;
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            background: none;
            border: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: all var(--transition);
            line-height: 1.5;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--primary);
            transition: all var(--transition);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 56px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border-radius: 28px;
            border: none;
            text-decoration: none;
            transition: all var(--transition);
            box-shadow: 0 6px 24px rgba(200, 146, 43, 0.35);
            position: relative;
            z-index: 1;
        }
        .btn-cta-lg:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(200, 146, 43, 0.45);
            color: #fff;
        }

        /* Footer */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 28px;
            margin-top: 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand-name {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
            text-decoration: none;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .desktop-nav-list {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .header-inner {
                padding: 0 16px;
                height: 58px;
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
            .page-banner {
                padding: 56px 0;
                min-height: 260px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .section-padding {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .cta-section {
                padding: 40px 24px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.95rem;
            }
            .page-banner {
                padding: 44px 0;
                min-height: 220px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .article-card-img {
                height: 170px;
            }
            .tutorial-block {
                flex-direction: column;
                gap: 16px;
                padding: 24px 18px;
            }
            .step-connector {
                display: none;
            }
            .section-padding {
                padding: 38px 0;
            }
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .btn-nav-cta.d-lg-inline-flex {
                display: none !important;
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner {
                padding: 36px 0;
                min-height: 180px;
            }
            .article-card-img {
                height: 150px;
            }
            .cta-section {
                padding: 32px 16px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .btn-cta-lg {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a2740;
            --color-primary-light: #243656;
            --color-accent: #c8963e;
            --color-accent-hover: #b88730;
            --color-accent-light: #f5e6d0;
            --color-bg: #f7f6f3;
            --color-white: #ffffff;
            --color-text: #2c2c2c;
            --color-text-light: #6b6b6b;
            --color-text-lighter: #999999;
            --color-border: #e5e2dc;
            --color-border-light: #f0ede7;
            --color-success: #3a8f5c;
            --color-warning: #e8a840;
            --color-danger: #c94a4a;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.15);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --max-width: 1220px;
            --header-height: 72px;
        }

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

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

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

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

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

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

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

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

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

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

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

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .logo-brand:hover {
            color: var(--color-primary);
            opacity: 0.85;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent) 0%, #d4a853 100%);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 1.1rem;
            font-weight: 800;
            letter-spacing: 0;
            flex-shrink: 0;
        }

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

        .desktop-nav-list .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text);
            text-decoration: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

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

        .desktop-nav-list .nav-links li a.active-nav {
            color: var(--color-accent);
            background-color: var(--color-accent-light);
            font-weight: 600;
            border-radius: 6px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search input {
            width: 180px;
            padding: 8px 36px 8px 14px;
            border: 1px solid var(--color-border);
            border-radius: 24px;
            font-size: 0.85rem;
            background: var(--color-bg);
            color: var(--color-text);
            outline: none;
            transition: all var(--transition-fast);
        }

        .nav-search input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(200, 150, 62, 0.10);
            width: 220px;
        }

        .nav-search .search-icon {
            position: absolute;
            right: 12px;
            color: var(--color-text-lighter);
            font-size: 0.85rem;
            pointer-events: none;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 600;
            text-decoration: none;
            background: linear-gradient(135deg, var(--color-accent) 0%, #d4a853 100%);
            color: #fff;
            border: none;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.4px;
            box-shadow: 0 2px 8px rgba(200, 150, 62, 0.25);
        }

        .btn-nav-cta:hover {
            background: linear-gradient(135deg, #d4a853 0%, #c8963e 100%);
            color: #fff;
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.40);
            transform: translateY(-1px);
        }

        .navbar-toggler-custom {
            display: none;
            background: none;
            border: none;
            font-size: 1.3rem;
            color: var(--color-text);
            padding: 8px;
            cursor: pointer;
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-lg);
            padding: 16px 24px;
            flex-direction: column;
            gap: 6px;
            z-index: 1049;
        }

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

        .mobile-menu a {
            display: block;
            padding: 11px 16px;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text);
            text-decoration: none;
            transition: all var(--transition-fast);
        }

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

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

        .mobile-search-wrap {
            position: relative;
            margin-bottom: 8px;
        }

        .mobile-search-wrap input {
            width: 100%;
            padding: 10px 40px 10px 16px;
            border: 1px solid var(--color-border);
            border-radius: 24px;
            font-size: 0.9rem;
            background: var(--color-bg);
            outline: none;
        }

        .mobile-search-wrap .search-icon {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--color-text-lighter);
            font-size: 0.85rem;
            pointer-events: none;
        }

        @media (max-width: 1024px) {
            .desktop-nav-list {
                display: none;
            }

            .nav-search {
                display: none;
            }

            .navbar-toggler-custom {
                display: block;
            }

            .btn-nav-cta.d-lg-inline-flex {
                display: none !important;
            }

            .header-inner {
                gap: 12px;
            }
        }

        @media (min-width: 1025px) {
            .mobile-menu {
                display: none !important;
            }

            .navbar-toggler-custom {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                padding: 0 12px;
                gap: 8px;
            }

            .logo-brand {
                font-size: 1.05rem;
                gap: 6px;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
            }

            .btn-nav-cta {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 80px 0;
            display: flex;
            align-items: center;
            min-height: 380px;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 39, 64, 0.88) 0%, rgba(26, 39, 64, 0.72) 50%, rgba(200, 150, 62, 0.45) 100%);
            z-index: 1;
        }

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

        .page-banner .banner-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(8px);
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            color: #fce8c8;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .page-banner h1 {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 700;
            letter-spacing: 0.8px;
            margin-bottom: 14px;
            line-height: 1.3;
            color: #fff;
        }

        .page-banner .banner-desc {
            font-size: 1.1rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 0;
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 50px 0;
                min-height: 280px;
            }

            .page-banner h1 {
                font-size: 1.9rem;
            }

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

        @media (max-width: 520px) {
            .page-banner {
                padding: 36px 0;
                min-height: 240px;
            }

            .page-banner h1 {
                font-size: 1.5rem;
            }

            .page-banner .banner-desc {
                font-size: 0.88rem;
            }
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 60px 0;
        }

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

        .section-header .section-label {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 16px;
            background: var(--color-accent-light);
            color: var(--color-accent);
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.6px;
            margin-bottom: 10px;
        }

        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: 0.4px;
        }

        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-light);
            max-width: 580px;
            margin: 0 auto;
            line-height: 1.6;
        }

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

            .section-header h2 {
                font-size: 1.55rem;
            }

            .section-header {
                margin-bottom: 30px;
            }
        }

        /* ========== STEPS ========== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .step-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
        }

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

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-accent) 0%, #d4a853 100%);
            color: #fff;
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 16px;
            box-shadow: 0 4px 14px rgba(200, 150, 62, 0.30);
        }

        .step-card h3 {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin: 0;
        }

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

            .step-card {
                padding: 28px 20px;
            }
        }

        /* ========== TUTORIAL CARDS ========== */
        .tutorial-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

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

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

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

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

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

        .tutorial-card .tutorial-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 12px;
            border-radius: 14px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.4px;
            z-index: 2;
        }

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

        .tutorial-card .tutorial-body h3 {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

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

        .tutorial-card .tutorial-body .btn-tutorial {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            background: var(--color-accent-light);
            text-decoration: none;
            transition: all var(--transition-fast);
            align-self: flex-start;
        }

        .tutorial-card .tutorial-body .btn-tutorial:hover {
            background: var(--color-accent);
            color: #fff;
        }

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

            .tutorial-card .tutorial-img-wrap {
                height: 170px;
            }
        }

        /* ========== ARTICLE LIST ========== */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .article-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            text-decoration: none;
            color: inherit;
        }

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

        .article-item .article-date {
            flex-shrink: 0;
            width: 64px;
            text-align: center;
            padding: 8px 4px;
            background: var(--color-accent-light);
            border-radius: var(--radius-sm);
            font-weight: 600;
            color: var(--color-accent);
            font-size: 0.8rem;
            line-height: 1.3;
        }

        .article-item .article-date .day {
            display: block;
            font-size: 1.3rem;
            font-weight: 700;
            line-height: 1;
            margin-bottom: 2px;
        }

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

        .article-item .article-info h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .article-item .article-info .article-excerpt {
            font-size: 0.88rem;
            color: var(--color-text-light);
            line-height: 1.5;
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-item .article-arrow {
            flex-shrink: 0;
            color: var(--color-accent);
            font-size: 1rem;
            align-self: center;
            transition: transform var(--transition-fast);
        }

        .article-item:hover .article-arrow {
            transform: translateX(4px);
        }

        @media (max-width: 520px) {
            .article-item {
                flex-wrap: wrap;
                gap: 12px;
                padding: 16px;
            }

            .article-item .article-date {
                width: 100%;
                display: flex;
                align-items: center;
                justify-content: center;
                gap: 4px;
                padding: 6px 10px;
                font-size: 0.8rem;
            }

            .article-item .article-date .day {
                font-size: 1rem;
                margin-bottom: 0;
            }

            .article-item .article-arrow {
                display: none;
            }
        }

        /* ========== TIPS SECTION ========== */
        .tips-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

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

        .tips-block .tips-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        .tips-block .tips-content h3 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
        }

        .tips-block .tips-content p {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .tips-list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px 0;
        }

        .tips-list li {
            padding: 8px 0 8px 28px;
            position: relative;
            font-size: 0.93rem;
            color: var(--color-text);
            line-height: 1.6;
        }

        .tips-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 8px;
            color: var(--color-success);
            font-weight: 700;
            font-size: 0.9rem;
        }

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

            .tips-block .tips-content h3 {
                font-size: 1.35rem;
            }
        }

        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-wrap .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--color-white);
            box-shadow: var(--shadow-xs);
        }

        .faq-wrap .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            background: var(--color-white);
            padding: 16px 20px;
            border-radius: var(--radius-md) !important;
            box-shadow: none !important;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }

        .faq-wrap .accordion-button:not(.collapsed) {
            color: var(--color-accent);
            background: var(--color-accent-light);
            border-bottom: 1px solid var(--color-border-light);
        }

        .faq-wrap .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(200, 150, 62, 0.15) !important;
            border-color: var(--color-accent);
        }

        .faq-wrap .accordion-body {
            font-size: 0.93rem;
            color: var(--color-text-light);
            line-height: 1.8;
            padding: 18px 20px;
            background: #fdfcf9;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            padding: 56px 0;
            text-align: center;
            color: #fff;
            border-radius: var(--radius-xl);
            margin: 0 24px 60px 24px;
        }

        .cta-section h3 {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .cta-section .btn-cta-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            background: var(--color-accent);
            color: #fff;
            text-decoration: none;
            transition: all var(--transition-fast);
            box-shadow: 0 6px 20px rgba(200, 150, 62, 0.35);
            letter-spacing: 0.4px;
        }

        .cta-section .btn-cta-lg:hover {
            background: #d4a853;
            color: #fff;
            box-shadow: 0 10px 28px rgba(200, 150, 62, 0.50);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 40px 20px;
                margin: 0 16px 40px 16px;
                border-radius: var(--radius-lg);
            }

            .cta-section h3 {
                font-size: 1.45rem;
            }

            .cta-section p {
                font-size: 0.9rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.85);
            padding: 48px 0 24px 0;
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-brand-name {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            margin: 0;
        }

        .footer-col h4 {
            font-family: var(--font-heading);
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.4px;
        }

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

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom p {
            margin: 0;
        }

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

            .footer-grid>div:first-child {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .site-footer {
                padding: 32px 0 18px 0;
            }
        }

        /* ========== UTILITY ========== */
        .text-accent {
            color: var(--color-accent) !important;
        }

        .bg-light-warm {
            background-color: #faf9f6;
        }

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

        .mt-0 {
            margin-top: 0 !important;
        }

        .mb-0 {
            margin-bottom: 0 !important;
        }

/* roulang page: category2 */
/* ============ CSS 设计变量 ============ */
        :root {
            --primary: #1a2942;
            --primary-dark: #0f1b2e;
            --primary-light: #263b5c;
            --accent: #d4a853;
            --accent-hover: #c4963a;
            --accent-light: #f0e4c8;
            --bg-white: #ffffff;
            --bg-light: #f8f9fb;
            --bg-cream: #faf7f0;
            --bg-dark: #111c2e;
            --text-dark: #1a1a2e;
            --text-body: #3a3d4a;
            --text-muted: #6b6f7c;
            --text-light: #9ca0ab;
            --border-color: #e2e5ea;
            --border-light: #eef0f4;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 14px 48px rgba(0, 0, 0, 0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Segoe UI', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.25, 0.1, 0.25, 1);
            --max-width: 1240px;
            --header-height: 68px;
        }

        /* ============ Reset & Base ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input {
            font-family: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            color: var(--text-dark);
            font-weight: 700;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.6rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
        }

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

        /* ============ Section Spacing ============ */
        .section-padding {
            padding: 70px 0;
        }
        .section-padding-lg {
            padding: 90px 0;
        }
        .section-padding-sm {
            padding: 50px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 44px 0;
            }
            .section-padding-lg {
                padding: 56px 0;
            }
            .section-padding-sm {
                padding: 34px 0;
            }
        }

        /* ============ Section Title Block ============ */
        .section-title-block {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title-block .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent);
            background: var(--accent-light);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            margin-bottom: 14px;
        }
        .section-title-block h2 {
            margin-bottom: 12px;
            font-size: 2rem;
        }
        .section-title-block .section-subtitle {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }
        @media (max-width: 768px) {
            .section-title-block h2 {
                font-size: 1.55rem;
            }
            .section-title-block {
                margin-bottom: 32px;
            }
        }

        /* ============ Header / Navigation ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            height: var(--header-height);
            gap: 20px;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }
        .logo-brand:hover {
            color: var(--primary);
            opacity: 0.85;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 1.15rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .desktop-nav-list .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .desktop-nav-list .nav-links li a {
            display: block;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-body);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .desktop-nav-list .nav-links li a:hover {
            color: var(--accent);
            background: var(--bg-light);
        }
        .desktop-nav-list .nav-links li a.active-nav {
            color: var(--accent);
            font-weight: 600;
            background: var(--accent-light);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }
        .nav-search input {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-full);
            padding: 9px 38px 9px 16px;
            font-size: 0.9rem;
            width: 190px;
            background: var(--bg-light);
            outline: none;
            transition: all var(--transition-fast);
            color: var(--text-dark);
        }
        .nav-search input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(212, 168, 83, 0.1);
            background: #fff;
            width: 220px;
        }
        .nav-search .search-icon {
            position: absolute;
            right: 12px;
            color: var(--text-muted);
            font-size: 0.9rem;
            pointer-events: none;
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            background: var(--accent);
            color: #fff;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.93rem;
            border: none;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(212, 168, 83, 0.3);
        }
        .btn-nav-cta:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 4px 16px rgba(212, 168, 83, 0.4);
            transform: translateY(-1px);
        }
        .navbar-toggler-custom {
            display: none;
            background: none;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            font-size: 1.3rem;
            color: var(--text-dark);
            transition: all var(--transition-fast);
        }
        .navbar-toggler-custom:hover {
            background: var(--bg-light);
            border-color: var(--accent);
        }
        /* Mobile Menu */
        .mobile-menu {
            display: none;
            flex-direction: column;
            background: #fff;
            border-top: 1px solid var(--border-light);
            padding: 16px 24px 20px;
            gap: 4px;
            box-shadow: var(--shadow-md);
        }
        .mobile-menu.active {
            display: flex;
        }
        .mobile-menu a {
            display: block;
            padding: 11px 14px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-body);
            transition: all var(--transition-fast);
        }
        .mobile-menu a:hover {
            background: var(--bg-light);
            color: var(--accent);
        }
        .mobile-menu a.active-nav {
            color: var(--accent);
            font-weight: 600;
            background: var(--accent-light);
        }
        .mobile-search-wrap {
            position: relative;
            margin-bottom: 6px;
        }
        .mobile-search-wrap input {
            width: 100%;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-full);
            padding: 10px 40px 10px 16px;
            font-size: 0.9rem;
            background: var(--bg-light);
            outline: none;
        }
        .mobile-search-wrap .search-icon {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .desktop-nav-list {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .navbar-toggler-custom {
                display: block;
            }
            .btn-nav-cta.d-lg-inline-flex {
                display: none !important;
            }
        }
        @media (min-width: 993px) {
            .mobile-menu {
                display: none !important;
            }
            .navbar-toggler-custom {
                display: none;
            }
        }
        @media (max-width: 576px) {
            .header-inner {
                padding: 0 14px;
                height: 58px;
            }
            .logo-brand {
                font-size: 1.1rem;
                gap: 7px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
                border-radius: 6px;
            }
        }

        /* ============ 内页 Hero Banner ============ */
        .inner-hero {
            position: relative;
            background: var(--primary-dark);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 35%;
            background-repeat: no-repeat;
            padding: 100px 0 90px;
            color: #fff;
            overflow: hidden;
        }
        .inner-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 27, 46, 0.88) 0%, rgba(26, 41, 66, 0.75) 50%, rgba(15, 27, 46, 0.82) 100%);
            z-index: 1;
        }
        .inner-hero .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .inner-hero .hero-badge {
            display: inline-block;
            background: rgba(212, 168, 83, 0.25);
            border: 1px solid rgba(212, 168, 83, 0.5);
            color: #f5d98a;
            padding: 7px 20px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.88rem;
            letter-spacing: 0.05em;
            margin-bottom: 18px;
        }
        .inner-hero h1 {
            color: #fff;
            font-size: 2.8rem;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .inner-hero h1 .highlight {
            color: #f5d98a;
        }
        .inner-hero .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.75;
            margin-bottom: 32px;
            max-width: 580px;
            margin-left: auto;
            margin-right: auto;
        }
        .inner-hero .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            background: var(--accent);
            color: #fff;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1rem;
            border: none;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(212, 168, 83, 0.35);
        }
        .btn-hero-primary:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(212, 168, 83, 0.45);
        }
        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            background: transparent;
            color: #fff;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.55);
            transition: all var(--transition-smooth);
        }
        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .inner-hero {
                padding: 64px 0 56px;
            }
            .inner-hero h1 {
                font-size: 1.9rem;
            }
            .inner-hero .hero-desc {
                font-size: 0.98rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 12px 22px;
                font-size: 0.93rem;
            }
        }

        /* ============ 数据统计条 ============ */
        .stats-strip {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 32px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .stat-item {
            padding: 10px;
        }
        .stat-number {
            font-family: var(--font-heading);
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }
        .stat-number .accent-num {
            color: var(--accent);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 4px;
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
                padding: 0 16px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 1.5rem;
            }
        }

        /* ============ 赛事分类卡片 ============ */
        .cards-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }
        .card-tournament {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .card-tournament:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--accent-light);
        }
        .card-tournament .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 3 / 2;
            background: var(--bg-light);
        }
        .card-tournament .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card-tournament:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .card-tournament .card-badge-top {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: #fff;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 600;
            z-index: 2;
        }
        .card-tournament .card-body-custom {
            padding: 18px 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-tournament .card-body-custom h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .card-tournament .card-body-custom p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 14px;
            flex: 1;
            line-height: 1.55;
        }
        .card-tournament .card-meta-row {
            display: flex;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-light);
            margin-bottom: 14px;
        }
        .card-tournament .card-meta-row span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .btn-card-sm {
            display: inline-block;
            text-align: center;
            padding: 9px 18px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.88rem;
            transition: all var(--transition-fast);
            border: none;
        }
        .btn-card-sm:hover {
            background: var(--accent);
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        @media (max-width: 1024px) {
            .cards-grid-4 {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }
        @media (max-width: 520px) {
            .cards-grid-4 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ============ 热门赛事列表 ============ */
        .tournament-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .tournament-list-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
            flex-wrap: wrap;
        }
        .tournament-list-item:hover {
            border-color: var(--accent-light);
            box-shadow: var(--shadow-md);
        }
        .tournament-list-item .tl-rank {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            min-width: 44px;
            text-align: center;
            flex-shrink: 0;
            line-height: 1;
        }
        .tournament-list-item .tl-info {
            flex: 1;
            min-width: 160px;
        }
        .tournament-list-item .tl-info h4 {
            font-size: 1.05rem;
            margin-bottom: 4px;
            color: var(--text-dark);
        }
        .tournament-list-item .tl-info .tl-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .tournament-list-item .tl-prize {
            font-weight: 700;
            color: var(--accent);
            font-size: 1.15rem;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .tl-status {
            display: inline-block;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 600;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .tl-status.hot {
            background: #ffe8e0;
            color: #c0392b;
        }
        .tl-status.upcoming {
            background: #e8f4fd;
            color: #2471a3;
        }
        .tl-status.ongoing {
            background: #e8fce8;
            color: #1e7a1e;
        }
        .btn-tl-enter {
            padding: 9px 20px;
            background: var(--accent);
            color: #fff;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.88rem;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .btn-tl-enter:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 4px 14px rgba(212, 168, 83, 0.35);
        }
        @media (max-width: 768px) {
            .tournament-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 14px 16px;
            }
            .tournament-list-item .tl-rank {
                font-size: 1.5rem;
                min-width: auto;
            }
            .tournament-list-item .tl-prize {
                font-size: 1rem;
            }
        }

        /* ============ 赛事流程图 ============ */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            position: relative;
        }
        .process-step {
            text-align: center;
            position: relative;
        }
        .process-step .step-icon-circle {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.6rem;
            color: var(--primary);
            border: 2px solid var(--border-color);
            transition: all var(--transition-smooth);
            position: relative;
            z-index: 2;
            background: #fff;
        }
        .process-step:hover .step-icon-circle {
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: 0 0 0 8px rgba(212, 168, 83, 0.08);
        }
        .process-step .step-label {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-dark);
            margin-bottom: 4px;
        }
        .process-step .step-desc {
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .process-connector {
            position: absolute;
            top: 32px;
            left: calc(50% + 32px);
            width: calc(100% - 64px);
            height: 2px;
            background: var(--border-color);
            z-index: 1;
        }
        @media (max-width: 768px) {
            .process-steps {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .process-connector {
                display: none;
            }
            .process-step {
                display: flex;
                align-items: center;
                gap: 14px;
                text-align: left;
            }
            .process-step .step-icon-circle {
                margin: 0;
                flex-shrink: 0;
                width: 50px;
                height: 50px;
                font-size: 1.3rem;
            }
        }

        /* ============ 奖金体系卡片 ============ */
        .prize-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .prize-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .prize-card.featured {
            border-color: var(--accent);
            box-shadow: var(--shadow-lg);
            background: linear-gradient(180deg, #fffdf7 0%, #fff 100%);
        }
        .prize-card.featured::before {
            content: '热门推荐';
            position: absolute;
            top: 16px;
            right: -28px;
            background: var(--accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 32px;
            transform: rotate(30deg);
            letter-spacing: 0.04em;
        }
        .prize-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .prize-card .prize-level {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.05em;
            margin-bottom: 8px;
        }
        .prize-card .prize-amount {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.03em;
            margin-bottom: 6px;
        }
        .prize-card .prize-amount sup {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--accent);
            vertical-align: super;
        }
        .prize-card .prize-detail {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin-bottom: 10px;
        }
        .prize-card .prize-note {
            font-size: 0.78rem;
            color: var(--text-light);
        }
        @media (max-width: 768px) {
            .prize-cards {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .prize-card .prize-amount {
                font-size: 2.2rem;
            }
        }

        /* ============ FAQ 板块 ============ */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            background: #fff;
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: var(--accent-light);
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            padding: 18px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            user-select: none;
            transition: color var(--transition-fast);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-smooth);
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 0.93rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        @media (max-width: 576px) {
            .faq-question {
                font-size: 0.93rem;
                padding: 15px 16px;
            }
            .faq-answer-inner {
                padding: 0 16px 14px;
                font-size: 0.87rem;
            }
        }

        /* ============ CTA 板块 ============ */
        .cta-section {
            background: var(--primary-dark);
            position: relative;
            overflow: hidden;
            text-align: center;
            padding: 70px 0;
            color: #fff;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(212, 168, 83, 0.12) 0%, transparent 70%);
            z-index: 1;
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 650px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            margin-bottom: 14px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            margin-bottom: 28px;
            line-height: 1.65;
        }
        .btn-cta-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 16px 36px;
            background: var(--accent);
            color: #fff;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1.08rem;
            border: none;
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 22px rgba(212, 168, 83, 0.4);
        }
        .btn-cta-lg:hover {
            background: #e6b84a;
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 10px 34px rgba(212, 168, 83, 0.5);
        }
        @media (max-width: 576px) {
            .cta-section {
                padding: 50px 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .btn-cta-lg {
                padding: 14px 28px;
                font-size: 0.95rem;
            }
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 28px;
            font-size: 0.9rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .site-footer .footer-brand-name {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 10px;
        }
        .site-footer .footer-desc {
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.65;
            font-size: 0.88rem;
        }
        .site-footer .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 14px;
            font-weight: 600;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 7px;
        }
        .site-footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--accent);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }
        @media (max-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .site-footer .footer-grid>div:first-child {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 480px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ============ 通用工具类 ============ */
        .text-accent {
            color: var(--accent) !important;
        }
        .bg-light-section {
            background: var(--bg-light);
        }
        .bg-cream-section {
            background: var(--bg-cream);
        }

        /* ============ 覆盖 Bootstrap 默认 ============ */
        .btn:focus,
        .btn:active:focus {
            box-shadow: none;
            outline: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }