/* roulang page: index */
:root {
            --color-primary: #1f3754;
            --color-primary-dark: #0c1a2b;
            --color-primary-light: #2b4a6e;
            --color-accent: #c9973a;
            --color-accent-dark: #9a6f09;
            --color-accent-light: #d4a853;
            --color-bg: #ffffff;
            --color-bg-alt: #f7f8fa;
            --color-bg-dark: #0f1e30;
            --color-text: #1a1a2e;
            --color-text-soft: #5a6070;
            --color-text-light: #8b919e;
            --color-border: #e2e5ea;
            --color-border-light: #f0f1f4;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-gold: 0 4px 20px rgba(201, 151, 58, 0.25);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.40s ease;
        }

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

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

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

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

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

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

        input {
            font-family: inherit;
        }

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

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

        /* ============ Header / Nav ============ */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 48px);
            max-width: 1200px;
            transition: all var(--transition-normal);
        }

        .site-header.scrolled {
            top: 0;
            width: 100%;
            max-width: 100%;
            border-radius: 0;
        }

        .nav-capsule {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.7);
            border-radius: 50px;
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: var(--shadow-lg);
            transition: all var(--transition-normal);
        }

        .site-header.scrolled .nav-capsule {
            border-radius: 0;
            border-left: none;
            border-right: none;
            border-top: none;
            padding: 10px 28px;
            background: rgba(255, 255, 255, 0.96);
        }

        .nav-logo {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }

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

        .nav-links a {
            padding: 9px 18px;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--color-primary);
            background: rgba(31, 55, 84, 0.06);
        }
        .nav-links a.active {
            color: #fff;
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(31, 55, 84, 0.3);
        }
        .nav-links a.active:hover {
            background: var(--color-primary-light);
            color: #fff;
        }

        .nav-cta-btn {
            padding: 10px 22px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #fff;
            white-space: nowrap;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-normal);
        }
        .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(201, 151, 58, 0.4);
            background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
        }

        /* Mobile Nav */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 6px;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            transition: background var(--transition-fast);
        }
        .mobile-toggle:hover {
            background: rgba(31, 55, 84, 0.08);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 80px;
            left: 16px;
            right: 16px;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            padding: 16px;
            flex-direction: column;
            gap: 6px;
            z-index: 999;
            border: 1px solid var(--color-border-light);
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            padding: 12px 18px;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            text-align: center;
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: var(--color-primary);
            color: #fff;
        }

        @media (max-width: 900px) {
            .site-header {
                width: calc(100% - 24px);
                top: 10px;
            }
            .nav-links {
                display: none;
            }
            .nav-cta-btn {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .nav-capsule {
                padding: 8px 16px;
            }
        }

        @media (min-width: 901px) {
            .mobile-menu {
                display: none !important;
            }
        }

        /* ============ Hero ============ */
        .hero-section {
            position: relative;
            min-height: 680px;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding-top: 100px;
            padding-bottom: 80px;
            background: linear-gradient(160deg, #0f1e30 0%, #1a3552 40%, #1f3d5c 70%, #162d44 100%);
        }

        .hero-bg-img {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            pointer-events: none;
        }

        .hero-overlay-pattern {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(201, 151, 58, 0.10) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(255, 255, 255, 0.04) 0%, transparent 50%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .hero-badge {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            background: rgba(201, 151, 58, 0.18);
            color: var(--color-accent-light);
            border: 1px solid rgba(201, 151, 58, 0.3);
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }
        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: 0.01em;
        }
        .hero-title .highlight {
            color: var(--color-accent-light);
            position: relative;
        }
        .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 600px;
        }
        .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #fff;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-normal);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(201, 151, 58, 0.45);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.35);
            transition: all var(--transition-normal);
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: auto;
                padding-top: 120px;
                padding-bottom: 60px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

        /* ============ Section Common ============ */
        .section-padding {
            padding: 70px 0;
        }
        .section-padding-sm {
            padding: 50px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            text-align: center;
            margin-bottom: 10px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            text-align: center;
            margin-bottom: 44px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-padding {
                padding: 44px 0;
            }
        }

        /* ============ Stats Cards ============ */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 4px;
            background: var(--color-accent);
            border-radius: 0 0 4px 4px;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            margin-bottom: 4px;
        }
        .stat-number .unit {
            font-size: 1.1rem;
            font-weight: 500;
            color: var(--color-accent);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-soft);
        }

        @media (max-width: 900px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-number {
                font-size: 2rem;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 18px 12px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
        }

        /* ============ Advantage Cards ============ */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }
        .adv-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            text-align: center;
        }
        .adv-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
            border-color: var(--color-accent-light);
        }
        .adv-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin: 0 auto 16px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            color: #fff;
        }
        .adv-card:nth-child(2) .adv-icon {
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
        }
        .adv-card:nth-child(3) .adv-icon {
            background: linear-gradient(135deg, #2b6e4f, #1a4d35);
        }
        .adv-card:nth-child(4) .adv-icon {
            background: linear-gradient(135deg, #5c3d8f, #3d1f6e);
        }
        .adv-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 8px;
        }
        .adv-desc {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.6;
        }
        @media (max-width: 900px) {
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }
        @media (max-width: 520px) {
            .advantage-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ============ Category Cards ============ */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .cat-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            cursor: pointer;
            aspect-ratio: 3/4;
            min-height: 340px;
            display: flex;
            align-items: flex-end;
            background-size: cover;
            background-position: center;
        }
        .cat-card::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 30, 48, 0.9) 0%, rgba(15, 30, 48, 0.3) 50%, rgba(15, 30, 48, 0.05) 100%);
            pointer-events: none;
        }
        .cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
        }
        .cat-card-inner {
            position: relative;
            z-index: 2;
            padding: 20px;
            width: 100%;
        }
        .cat-card-tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            background: var(--color-accent);
            color: #fff;
            margin-bottom: 8px;
        }
        .cat-card-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }
        .cat-card-sub {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
        }
        @media (max-width: 900px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .cat-card {
                aspect-ratio: 3/3.5;
                min-height: 260px;
            }
        }
        @media (max-width: 520px) {
            .category-grid {
                grid-template-columns: 1fr;
            }
            .cat-card {
                aspect-ratio: 16/10;
                min-height: 200px;
            }
        }

        /* ============ Brand Story ============ */
        .brand-story-section {
            background: var(--color-bg-alt);
            position: relative;
        }
        .brand-story-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .brand-story-img-wrap {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .brand-story-img-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .brand-story-text h3 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 16px;
        }
        .brand-story-text p {
            font-size: 1rem;
            color: var(--color-text-soft);
            line-height: 1.9;
            margin-bottom: 12px;
        }
        @media (max-width: 768px) {
            .brand-story-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .brand-story-text h3 {
                font-size: 1.35rem;
            }
        }

        /* ============ Match Focus ============ */
        .match-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .match-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .match-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .match-card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .match-card-body {
            padding: 18px 16px;
        }
        .match-card-date {
            font-size: 0.8rem;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: 4px;
        }
        .match-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 6px;
        }
        .match-card-desc {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.5;
        }
        @media (max-width: 900px) {
            .match-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .match-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ============ Reviews ============ */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .review-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
        }
        .review-card::before {
            content: '\201C';
            position: absolute;
            top: 10px;
            right: 18px;
            font-size: 4rem;
            color: var(--color-accent-light);
            opacity: 0.3;
            line-height: 1;
            font-family: Georgia, serif;
        }
        .review-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .review-stars {
            color: var(--color-accent);
            margin-bottom: 10px;
            font-size: 0.95rem;
        }
        .review-text {
            font-size: 0.93rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }
        .review-author {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
        }
        @media (max-width: 900px) {
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .review-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ============ News ============ */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 900px;
            margin: 0 auto;
        }
        .news-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 18px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent-light);
        }
        .news-date-badge {
            flex-shrink: 0;
            background: var(--color-primary);
            color: #fff;
            border-radius: 10px;
            padding: 10px 14px;
            text-align: center;
            font-weight: 700;
            min-width: 60px;
            font-size: 0.8rem;
            line-height: 1.3;
        }
        .news-date-badge span {
            display: block;
            font-size: 1.4rem;
        }
        .news-content {
            flex: 1;
        }
        .news-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 4px;
        }
        .news-summary {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .news-read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-read-more:hover {
            color: var(--color-accent-dark);
        }
        @media (max-width: 600px) {
            .news-item {
                flex-direction: column;
                gap: 10px;
            }
            .news-date-badge {
                display: inline-flex;
                gap: 4px;
                padding: 6px 12px;
                font-size: 0.8rem;
                border-radius: 20px;
            }
            .news-date-badge span {
                font-size: 0.9rem;
                display: inline;
            }
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary-dark);
            background: transparent;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            border: none;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: rgba(31, 55, 84, 0.03);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-normal);
            color: var(--color-accent);
            font-size: 1.1rem;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(201, 151, 58, 0.1);
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background: var(--color-accent);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
        }
        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 0.93rem;
            color: var(--color-text-soft);
            line-height: 1.8;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: linear-gradient(160deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 650px;
            margin: 0 auto;
        }
        .cta-title {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .cta-btn-lg {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 700;
            background: #fff;
            color: var(--color-primary-dark);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
            transition: all var(--transition-normal);
        }
        .cta-btn-lg:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
            background: #fefefe;
        }
        @media (max-width: 768px) {
            .cta-title {
                font-size: 1.5rem;
            }
            .cta-btn-lg {
                padding: 14px 30px;
                font-size: 1rem;
            }
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 50px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-brand-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ============ Utility ============ */
        .bg-alt {
            background: var(--color-bg-alt);
        }
        .text-accent {
            color: var(--color-accent);
        }
        .divider-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
            display: inline-block;
            margin: 0 8px;
            vertical-align: middle;
        }

        /* Scroll animation simple */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --color-primary: #1B3A5C;
            --color-primary-dark: #0F253B;
            --color-primary-light: #2A5078;
            --color-accent: #C8963E;
            --color-accent-light: #E5A93D;
            --color-accent-pale: #FDF6EC;
            --color-bg: #FFFFFF;
            --color-bg-alt: #F6F8FB;
            --color-bg-card: #FFFFFF;
            --color-bg-dark: #0F1E30;
            --color-text: #1A1A2E;
            --color-text-secondary: #4A4A5E;
            --color-text-muted: #8E8E9E;
            --color-text-light: #B0B0C0;
            --color-border: #E8ECF1;
            --color-border-light: #F0F3F7;
            --color-success: #2D9D5A;
            --color-warning: #E8A817;
            --color-danger: #D9444F;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --shadow-sm: 0 1px 3px rgba(15, 30, 48, 0.06);
            --shadow-md: 0 4px 16px rgba(15, 30, 48, 0.08);
            --shadow-lg: 0 8px 32px rgba(15, 30, 48, 0.10);
            --shadow-xl: 0 16px 48px rgba(15, 30, 48, 0.12);
            --shadow-card-hover: 0 12px 40px rgba(15, 30, 48, 0.14);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.40s ease;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
            --nav-capsule-height: 48px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

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

        /* ========== 容器 ========== */
        .container-custom {
            width: 100%;
            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 & 悬浮胶囊导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }

        .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-left: 24px;
            padding-right: 24px;
        }

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

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            z-index: 1001;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            letter-spacing: -0.5px;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

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

        /* 悬浮胶囊导航 */
        .nav-capsule {
            background: var(--color-bg);
            border-radius: var(--radius-full);
            padding: 6px 8px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            gap: 2px;
            transition: box-shadow var(--transition-base);
        }

        .nav-capsule:hover {
            box-shadow: var(--shadow-md);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
            list-style: none;
        }

        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 9px 18px;
            border-radius: var(--radius-full);
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.2px;
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--color-primary);
            background: rgba(27, 58, 92, 0.05);
        }

        .nav-links li a.active {
            background: var(--color-primary);
            color: #ffffff;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(27, 58, 92, 0.25);
        }

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

        /* 移动端汉堡按钮 */
        .mobile-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-full);
            background: var(--color-bg-alt);
            border: 1px solid var(--color-border);
            align-items: center;
            justify-content: center;
            cursor: pointer;
            z-index: 1001;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-menu-btn:hover {
            background: var(--color-border);
        }

        .mobile-menu-btn .bar {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
            position: relative;
        }

        .mobile-menu-btn .bar::before,
        .mobile-menu-btn .bar::after {
            content: '';
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            position: absolute;
            transition: all var(--transition-base);
        }

        .mobile-menu-btn .bar::before {
            top: -7px;
        }
        .mobile-menu-btn .bar::after {
            top: 7px;
        }

        .mobile-menu-btn.open .bar {
            background: transparent;
        }
        .mobile-menu-btn.open .bar::before {
            top: 0;
            transform: rotate(45deg);
        }
        .mobile-menu-btn.open .bar::after {
            top: 0;
            transform: rotate(-45deg);
        }

        @media (max-width: 860px) {
            .mobile-menu-btn {
                display: flex;
            }
            .nav-capsule {
                position: fixed;
                top: var(--header-height);
                left: 16px;
                right: 16px;
                border-radius: var(--radius-lg);
                padding: 16px;
                flex-direction: column;
                box-shadow: var(--shadow-xl);
                border: 1px solid var(--color-border);
                opacity: 0;
                visibility: hidden;
                transform: translateY(-12px);
                transition: all var(--transition-base);
                z-index: 999;
            }
            .nav-capsule.open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }
            .nav-links {
                flex-direction: column;
                width: 100%;
                gap: 2px;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li a {
                display: flex;
                width: 100%;
                padding: 12px 18px;
                border-radius: var(--radius-md);
                font-size: 1rem;
            }
        }

        /* ========== 板块间距 ========== */
        .section {
            padding: 72px 0;
        }
        .section-sm {
            padding: 48px 0;
        }
        .section-lg {
            padding: 96px 0;
        }
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-sm {
                padding: 32px 0;
            }
            .section-lg {
                padding: 60px 0;
            }
        }

        /* ========== Banner / 内页Hero ========== */
        .page-banner {
            position: relative;
            padding: 90px 0 80px;
            background: var(--color-primary-dark);
            overflow: hidden;
            z-index: 0;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.22;
            z-index: -1;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 37, 59, 0.75) 0%, rgba(15, 30, 48, 0.9) 100%);
            z-index: -1;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .page-banner .banner-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(200, 150, 62, 0.2);
            border: 1px solid rgba(200, 150, 62, 0.35);
            border-radius: var(--radius-full);
            color: var(--color-accent-light);
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }
        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }
        .page-banner .banner-desc {
            font-size: 1.125rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.75;
            max-width: 560px;
            margin: 0 auto;
        }
        @media (max-width: 768px) {
            .page-banner {
                padding: 60px 0 50px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner .banner-desc {
                font-size: 1rem;
            }
        }

        /* ========== 板块标题 ========== */
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: -0.3px;
            margin-bottom: 8px;
        }
        .section-header .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 500px;
            margin: 0 auto;
        }
        @media (max-width: 768px) {
            .section-header h2 {
                font-size: 1.55rem;
            }
        }

        /* ========== 卡片网格 ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .card-grid.cols-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .card-grid.cols-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid.cols-3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .card-grid,
            .card-grid.cols-3,
            .card-grid.cols-2 {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 通用卡片 ========== */
        .card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            padding: 28px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--color-border-light);
        }
        .card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card .card-icon.icon-blue {
            background: #E8F0FA;
            color: var(--color-primary);
        }
        .card .card-icon.icon-gold {
            background: var(--color-accent-pale);
            color: var(--color-accent);
        }
        .card .card-icon.icon-green {
            background: #E8F7EF;
            color: var(--color-success);
        }
        .card .card-icon.icon-red {
            background: #FDE8EA;
            color: var(--color-danger);
        }
        .card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }
        .card .card-desc {
            font-size: 0.925rem;
            color: var(--color-text-muted);
            line-height: 1.65;
            flex-grow: 1;
        }
        .card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card .card-meta {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin-top: 10px;
        }

        /* ========== 按钮系统 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.2px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            cursor: pointer;
            border: 2px solid transparent;
            line-height: 1.3;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }
        .btn-primary:hover {
            background: var(--color-accent-light);
            border-color: var(--color-accent-light);
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.3);
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }
        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(27, 58, 92, 0.2);
        }
        .btn-white {
            background: #fff;
            color: var(--color-primary);
            border-color: #fff;
        }
        .btn-white:hover {
            background: #f0f0f0;
            border-color: #f0f0f0;
            box-shadow: 0 4px 16px rgba(255, 255, 255, 0.3);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }
        .btn-lg {
            padding: 15px 34px;
            font-size: 1.05rem;
        }

        /* ========== 标签 ========== */
        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 500;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .tag-accent {
            background: var(--color-accent-pale);
            color: var(--color-accent);
        }
        .tag-primary {
            background: #E8F0FA;
            color: var(--color-primary);
        }
        .tag-success {
            background: #E8F7EF;
            color: var(--color-success);
        }
        .tag-warning {
            background: #FEF9EC;
            color: #B87A14;
        }

        /* ========== 数据统计条 ========== */
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: center;
            text-align: center;
        }
        .stat-item {
            flex: 1;
            min-width: 140px;
            padding: 20px;
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
        }
        .stat-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -1px;
            line-height: 1.2;
        }
        .stat-number .stat-unit {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--color-accent);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }
        @media (max-width: 600px) {
            .stats-row {
                gap: 12px;
            }
            .stat-item {
                min-width: 120px;
                padding: 16px 12px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }

        /* ========== 赛事列表卡片 ========== */
        .match-list-card {
            display: flex;
            gap: 20px;
            align-items: stretch;
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            padding: 20px;
            transition: all var(--transition-base);
            margin-bottom: 16px;
        }
        .match-list-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-light);
            transform: translateY(-2px);
        }
        .match-list-card .match-img-wrap {
            flex-shrink: 0;
            width: 200px;
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .match-list-card .match-img-wrap img {
            width: 100%;
            height: 140px;
            object-fit: cover;
        }
        .match-list-card .match-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-width: 0;
        }
        .match-list-card .match-info h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .match-list-card .match-info .match-teams {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin-bottom: 6px;
        }
        .match-list-card .match-info .match-excerpt {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        @media (max-width: 600px) {
            .match-list-card {
                flex-direction: column;
            }
            .match-list-card .match-img-wrap {
                width: 100%;
            }
            .match-list-card .match-img-wrap img {
                height: 180px;
            }
        }

        /* ========== 流程步骤 ========== */
        .process-steps {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
            counter-reset: step;
        }
        .process-step {
            flex: 1;
            min-width: 200px;
            max-width: 260px;
            text-align: center;
            padding: 28px 20px;
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            position: relative;
            transition: all var(--transition-base);
        }
        .process-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .process-step .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 14px;
        }
        .process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .process-step p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--color-bg-card);
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: background var(--transition-fast);
            background: transparent;
        }
        .faq-question:hover {
            background: var(--color-bg-alt);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            transition: all var(--transition-fast);
            color: var(--color-text-muted);
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--color-accent);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            font-size: 0.925rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--color-primary);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
            z-index: 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.12;
            z-index: -1;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            margin-bottom: 12px;
        }
        .cta-section .cta-desc {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 28px;
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        @media (max-width: 900px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .site-footer .footer-brand-name {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }
        .footer-brand-desc {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.875rem;
            line-height: 1.65;
        }
        .site-footer .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 8px;
        }
        .site-footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
            font-size: 0.875rem;
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.8rem;
        }

        /* ========== 暗色背景块 ========== */
        .bg-alt {
            background: var(--color-bg-alt);
        }

        /* ========== 高亮文字 ========== */
        .text-accent {
            color: var(--color-accent);
        }
        .text-primary {
            color: var(--color-primary);
        }

        /* ========== 分隔线 ========== */
        .divider {
            width: 60px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
            margin: 0 auto 24px;
        }

        /* ========== 辅助类 ========== */
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }

        /* ========== 响应式微调 ========== */
        @media (max-width: 1024px) {
            .process-steps {
                gap: 14px;
            }
            .process-step {
                min-width: 160px;
                max-width: none;
            }
        }
        @media (max-width: 768px) {
            .page-banner h1 {
                font-size: 1.9rem;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .match-list-card .match-img-wrap {
                width: 140px;
            }
            .match-list-card .match-img-wrap img {
                height: 100px;
            }
        }
        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.88rem;
            }
            .btn-lg {
                padding: 13px 26px;
                font-size: 0.95rem;
            }
            .match-list-card {
                flex-direction: column;
            }
            .match-list-card .match-img-wrap {
                width: 100%;
            }
            .match-list-card .match-img-wrap img {
                height: 170px;
            }
            .process-step {
                min-width: 100%;
                max-width: 100%;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #0b1e3d;
            --primary-light: #132d56;
            --accent: #c8963e;
            --accent-light: #e0b860;
            --accent-dark: #9e7228;
            --bg: #ffffff;
            --bg-soft: #f4f6f9;
            --bg-card: #ffffff;
            --text: #1a1d28;
            --text-soft: #5a6070;
            --text-light: #88909e;
            --border: #e2e6ed;
            --border-light: #eef1f5;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12), 0 6px 20px rgba(0, 0, 0, 0.06);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1240px;
            --nav-height: 66px;
        }

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

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

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

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

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

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

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--bg);
            color: var(--text);
        }
        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(200, 150, 62, 0.10);
        }

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: all var(--transition);
        }
        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius);
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 4px;
            background: var(--bg-soft);
            border-radius: var(--radius-full);
            padding: 5px 6px;
            box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.04);
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2px;
            align-items: center;
            flex-wrap: nowrap;
        }
        .nav-links li a {
            display: inline-block;
            padding: 9px 18px;
            border-radius: var(--radius-full);
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links li a:hover {
            color: var(--primary);
            background: rgba(11, 30, 61, 0.05);
        }
        .nav-links li a.active {
            background: var(--primary);
            color: #ffffff;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(11, 30, 61, 0.25);
        }
        .nav-links li a.active:hover {
            background: var(--primary-light);
            color: #ffffff;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            font-size: 1.5rem;
            color: var(--primary);
            padding: 8px;
            border-radius: var(--radius-sm);
            line-height: 1;
        }
        .mobile-menu-toggle:hover {
            background: var(--bg-soft);
        }

        /* ========== PAGE HERO ========== */
        .page-hero {
            position: relative;
            background: linear-gradient(160deg, #0b1e3d 0%, #132d56 40%, #1a3d6d 100%);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 40%;
            background-blend-mode: overlay;
            padding: 72px 0 64px;
            color: #ffffff;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 30, 61, 0.78) 0%, rgba(11, 30, 61, 0.88) 100%);
            z-index: 1;
            pointer-events: none;
        }
        .page-hero .container-custom {
            position: relative;
            z-index: 2;
        }
        .page-hero-badge {
            display: inline-block;
            background: rgba(200, 150, 62, 0.18);
            color: var(--accent-light);
            border: 1px solid rgba(200, 150, 62, 0.35);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }
        .page-hero h1 {
            font-size: 2.6rem;
            font-weight: 700;
            letter-spacing: -0.6px;
            line-height: 1.25;
            margin-bottom: 16px;
            color: #ffffff;
        }
        .page-hero h1 .accent-word {
            color: var(--accent-light);
        }
        .page-hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 28px;
        }
        .page-hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .page-hero-stat {
            display: flex;
            flex-direction: column;
        }
        .page-hero-stat .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-light);
            letter-spacing: -0.5px;
        }
        .page-hero-stat .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 2px;
        }

        /* ========== SECTION COMMONS ========== */
        .section {
            padding: 64px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header .section-badge {
            display: inline-block;
            background: rgba(200, 150, 62, 0.08);
            color: var(--accent-dark);
            font-weight: 600;
            font-size: 0.82rem;
            letter-spacing: 0.6px;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            margin-bottom: 12px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.4px;
            margin-bottom: 10px;
        }
        .section-header p {
            color: var(--text-soft);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section-alt {
            background: var(--bg-soft);
        }

        /* ========== CARDS GRID ========== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .cards-grid.cols-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .card-league {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .card-league:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border);
        }
        .card-league-img {
            height: 180px;
            overflow: hidden;
            position: relative;
            background: var(--bg-soft);
        }
        .card-league-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card-league:hover .card-league-img img {
            transform: scale(1.06);
        }
        .card-league-img .league-flag-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(11, 30, 61, 0.85);
            color: #fff;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 5px 12px;
            border-radius: var(--radius-full);
            letter-spacing: 0.4px;
            backdrop-filter: blur(6px);
        }
        .card-league-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-league-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .card-league-body p {
            font-size: 0.93rem;
            color: var(--text-soft);
            line-height: 1.55;
            margin-bottom: 14px;
            flex: 1;
        }
        .card-league-meta {
            display: flex;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-light);
            margin-bottom: 14px;
        }
        .card-league-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .card-league-body .btn-sm {
            align-self: flex-start;
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 11px 22px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.2px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: #ffffff;
            box-shadow: 0 2px 8px rgba(200, 150, 62, 0.30);
        }
        .btn-primary:hover {
            background: var(--accent-light);
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.40);
            transform: translateY(-1px);
            color: #ffffff;
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #ffffff;
            border-color: var(--primary);
        }
        .btn-sm {
            padding: 7px 15px;
            font-size: 0.85rem;
            border-radius: var(--radius-full);
            font-weight: 600;
            letter-spacing: 0.2px;
        }
        .btn-sm.btn-primary {
            box-shadow: 0 2px 6px rgba(200, 150, 62, 0.25);
        }
        .btn-ghost {
            background: transparent;
            color: var(--accent-dark);
            font-weight: 600;
            padding: 7px 14px;
            border-radius: var(--radius-full);
        }
        .btn-ghost:hover {
            background: rgba(200, 150, 62, 0.08);
            color: var(--accent-dark);
        }

        /* ========== DATA STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .stat-card .stat-icon {
            display: inline-flex;
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            background: rgba(200, 150, 62, 0.10);
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent);
            margin-bottom: 12px;
        }
        .stat-card .stat-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.5px;
            margin-bottom: 4px;
        }
        .stat-card .stat-label-text {
            font-size: 0.88rem;
            color: var(--text-soft);
            font-weight: 500;
        }

        /* ========== TABLE LIST ========== */
        .league-table-wrap {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .league-table-header {
            background: var(--primary);
            color: #fff;
            padding: 14px 20px;
            font-weight: 700;
            font-size: 1rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .league-table-header i {
            color: var(--accent-light);
        }
        .league-list {
            list-style: none;
            padding: 0;
        }
        .league-list li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 20px;
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition-fast);
            flex-wrap: wrap;
            gap: 10px;
        }
        .league-list li:last-child {
            border-bottom: none;
        }
        .league-list li:hover {
            background: var(--bg-soft);
        }
        .league-list .league-name {
            font-weight: 600;
            color: var(--primary);
            font-size: 1rem;
            min-width: 120px;
        }
        .league-list .league-detail {
            color: var(--text-soft);
            font-size: 0.9rem;
            flex: 1;
            text-align: right;
        }
        .league-list .league-tag {
            display: inline-block;
            background: rgba(200, 150, 62, 0.10);
            color: var(--accent-dark);
            font-weight: 600;
            font-size: 0.78rem;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            white-space: nowrap;
        }

        /* ========== NEWS LIST ========== */
        .news-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .news-list li {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 18px 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .news-list li:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border);
        }
        .news-list .news-date {
            font-size: 0.82rem;
            color: var(--text-light);
            white-space: nowrap;
            font-weight: 500;
            min-width: 70px;
        }
        .news-list .news-title {
            font-weight: 600;
            color: var(--primary);
            flex: 1;
            font-size: 0.98rem;
            line-height: 1.4;
        }
        .news-list .news-title:hover {
            color: var(--accent-dark);
        }
        .news-list .news-summary {
            font-size: 0.85rem;
            color: var(--text-soft);
            flex-basis: 100%;
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            background: transparent;
            font-weight: 600;
            font-size: 1rem;
            color: var(--primary);
            text-align: left;
            gap: 12px;
            cursor: pointer;
            border: none;
            font-family: inherit;
            letter-spacing: -0.1px;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--accent-dark);
        }
        .faq-question i {
            transition: transform var(--transition);
            color: var(--text-light);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            background: var(--bg-soft);
            border-top: 1px solid transparent;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            border-top-color: var(--border-light);
        }
        .faq-answer-inner {
            padding: 0 20px;
            font-size: 0.93rem;
            color: var(--text-soft);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer-inner {
            padding: 16px 20px;
        }

        /* ========== CTA BANNER ========== */
        .cta-banner {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #ffffff;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.10);
            pointer-events: none;
        }
        .cta-banner h3 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-banner p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-banner .btn {
            position: relative;
            z-index: 1;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0b1420;
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            font-size: 0.93rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        .footer-brand-desc {
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.6;
            font-size: 0.88rem;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
            font-size: 0.9rem;
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
        }
        .footer-col ul li span {
            font-size: 0.9rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            padding-top: 20px;
            text-align: center;
            font-size: 0.84rem;
            color: rgba(255, 255, 255, 0.38);
        }

        /* ========== SECTION DIVIDER ========== */
        .section-divider {
            width: 60px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            margin: 0 auto 16px;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .page-hero h1 {
                font-size: 2.1rem;
            }
            .page-hero-stats {
                gap: 20px;
            }
            .page-hero-stat .stat-number {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 768px) {
            .site-header {
                height: auto;
                min-height: 58px;
            }
            .nav-wrapper {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #ffffff;
                border-radius: 0;
                flex-direction: column;
                padding: 12px 16px;
                box-shadow: var(--shadow-lg);
                z-index: 999;
                gap: 6px;
            }
            .nav-wrapper.open {
                display: flex;
            }
            .nav-links {
                flex-direction: column;
                width: 100%;
                gap: 2px;
            }
            .nav-links li a {
                display: block;
                padding: 12px 16px;
                border-radius: var(--radius);
                text-align: center;
                font-size: 0.95rem;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .cards-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .cards-grid.cols-2 {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .page-hero {
                padding: 48px 0 40px;
            }
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .page-hero-desc {
                font-size: 1rem;
            }
            .page-hero-stats {
                gap: 16px;
            }
            .page-hero-stat .stat-number {
                font-size: 1.4rem;
            }
            .section {
                padding: 44px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .cta-banner {
                padding: 32px 20px;
            }
            .cta-banner h3 {
                font-size: 1.3rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .news-list li {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .league-list li {
                flex-direction: column;
                align-items: flex-start;
            }
            .league-list .league-detail {
                text-align: left;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding: 0 14px;
            }
            .page-hero h1 {
                font-size: 1.4rem;
            }
            .page-hero-stats {
                flex-direction: column;
                gap: 10px;
            }
            .stats-row {
                grid-template-columns: 1fr;
            }
            .stat-card .stat-value {
                font-size: 1.5rem;
            }
            .card-league-img {
                height: 140px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 0.9rem;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer-inner {
                font-size: 0.85rem;
            }
            .faq-item.open .faq-answer-inner {
                padding: 12px 16px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1a2a4a;
            --primary-light: #2c4270;
            --primary-dark: #0f1a2e;
            --accent: #c9a96e;
            --accent-light: #dcc9a0;
            --accent-dark: #b0894e;
            --bg: #ffffff;
            --bg-light: #f5f5f7;
            --bg-lighter: #fafafb;
            --bg-dark: #0f1a2e;
            --bg-card: #ffffff;
            --text: #1a1a2e;
            --text-secondary: #4a4a5e;
            --text-light: #6b7280;
            --text-muted: #9ca3af;
            --border: #e5e7eb;
            --border-light: #f0f0f2;
            --radius-sm: 6px;
            --radius: 12px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --radius-full: 50px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.07);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.09);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --nav-height: 68px;
        }

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

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

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

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

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

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

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

        ul {
            list-style: none;
        }

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

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: sticky;
            top: 16px;
            z-index: 1000;
            padding: 0 16px;
            pointer-events: none;
        }

        .nav-capsule {
            pointer-events: auto;
            max-width: var(--max-width);
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: var(--radius-full);
            padding: 8px 12px 8px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(255, 255, 255, 0.6);
            transition: box-shadow var(--transition), background var(--transition);
            position: relative;
        }

        .nav-capsule.scrolled {
            background: rgba(255, 255, 255, 0.97);
            box-shadow: var(--shadow-lg);
        }

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

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            letter-spacing: 1px;
        }

        .nav-logo .logo-text {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-links li a {
            display: inline-block;
            padding: 10px 18px;
            border-radius: var(--radius-full);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--primary);
            background: rgba(26, 42, 74, 0.05);
        }

        .nav-links li a.active {
            color: #ffffff;
            background: var(--primary);
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(26, 42, 74, 0.35);
        }

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

        .nav-hamburger {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            font-size: 1.2rem;
            flex-shrink: 0;
            transition: background var(--transition-fast);
        }

        .nav-hamburger:hover {
            background: var(--primary-light);
        }

        /* ========== PAGE HERO ========== */
        .page-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: var(--primary-dark);
            overflow: hidden;
            margin-top: -96px;
            padding-top: 96px;
        }

        .page-hero .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 0;
        }

        .page-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 26, 46, 0.75) 0%, rgba(15, 26, 46, 0.9) 100%);
            z-index: 1;
        }

        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 24px 50px;
            max-width: 750px;
        }

        .page-hero .hero-badge {
            display: inline-block;
            background: rgba(201, 169, 110, 0.2);
            color: var(--accent-light);
            border: 1px solid rgba(201, 169, 110, 0.4);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 20px;
        }

        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
            line-height: 1.25;
        }

        .page-hero .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            line-height: 1.6;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: #1a1a2e;
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.4);
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            color: #fff;
            box-shadow: 0 6px 22px rgba(201, 169, 110, 0.55);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.45);
        }

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

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

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

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            font-weight: 500;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 70px 0;
        }

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

        .section-header .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 10px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .section-header .section-desc {
            font-size: 1rem;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

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

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

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

        .cards-grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

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

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

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

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

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

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

        .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 14px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--accent);
            transition: color var(--transition-fast);
        }

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

        .card-icon-circle {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 14px;
            flex-shrink: 0;
        }

        .card-icon-circle.blue {
            background: rgba(26, 42, 74, 0.08);
            color: var(--primary);
        }

        .card-icon-circle.gold {
            background: rgba(201, 169, 110, 0.15);
            color: var(--accent-dark);
        }

        .card-icon-circle.teal {
            background: rgba(20, 160, 140, 0.1);
            color: #14907c;
        }

        .card-icon-circle.coral {
            background: rgba(220, 90, 70, 0.1);
            color: #c94a3a;
        }

        /* ========== FEATURE ROW ========== */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .feature-row.reverse {
            direction: rtl;
        }
        .feature-row.reverse>* {
            direction: ltr;
        }

        .feature-text h3 {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            line-height: 1.35;
        }

        .feature-text p {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .feature-text .feature-list {
            margin-top: 16px;
        }

        .feature-text .feature-list li {
            position: relative;
            padding-left: 26px;
            margin-bottom: 8px;
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .feature-text .feature-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 7px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent);
            opacity: 0.7;
        }

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

        .feature-image img {
            width: 100%;
            height: 340px;
            object-fit: cover;
        }

        /* ========== STEPS / PROCESS ========== */
        .steps-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

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

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

        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }

        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.5;
        }

        /* ========== TYPE GRID ========== */
        .type-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .type-tag {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: 18px 20px;
            text-align: center;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--primary);
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-xs);
        }

        .type-tag:hover {
            border-color: var(--accent);
            color: var(--accent-dark);
            box-shadow: var(--shadow-sm);
            transform: translateY(-1px);
        }

        .type-tag .type-icon {
            font-size: 1.5rem;
            display: block;
            margin-bottom: 8px;
            color: var(--accent);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--primary);
            text-align: left;
            cursor: pointer;
            background: transparent;
            transition: background var(--transition-fast);
        }

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

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

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--primary);
            position: relative;
            overflow: hidden;
        }

        .cta-section .cta-bg-pattern {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(201, 169, 110, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 20%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
            z-index: 0;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 60px 24px;
            max-width: 650px;
            margin: 0 auto;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            line-height: 1.6;
        }

        .cta-section .btn {
            font-size: 1rem;
            padding: 15px 32px;
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-light);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-light);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 0.75rem;
        }

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

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 50px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

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

        .footer-brand-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

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

        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .type-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-row {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .feature-image img {
                height: 260px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .page-hero h1 {
                font-size: 2.2rem;
            }
            .page-hero {
                min-height: 340px;
            }
            .section {
                padding: 50px 0;
            }
            .section-header h2 {
                font-size: 1.7rem;
            }
            .nav-links li a {
                padding: 8px 13px;
                font-size: 0.85rem;
            }
            .nav-capsule {
                padding: 8px 10px 8px 18px;
            }
            .nav-logo .logo-text {
                font-size: 1.05rem;
            }
        }

        @media (max-width: 768px) {
            .page-hero {
                min-height: 300px;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero .hero-subtitle {
                font-size: 0.95rem;
            }
            .cards-grid,
            .cards-grid-3,
            .cards-grid-2 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .steps-list {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .type-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .section {
                padding: 40px 0;
            }
            .section-header {
                margin-bottom: 30px;
            }
            .section-header h2 {
                font-size: 1.45rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .feature-image img {
                height: 220px;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-links {
                position: absolute;
                top: calc(100% + 8px);
                left: 16px;
                right: 16px;
                flex-direction: column;
                background: #fff;
                border-radius: var(--radius-lg);
                box-shadow: var(--shadow-lg);
                padding: 12px 8px;
                gap: 2px;
                opacity: 0;
                pointer-events: none;
                transform: translateY(-8px);
                transition: all var(--transition);
                z-index: 999;
            }
            .nav-links.show {
                opacity: 1;
                pointer-events: auto;
                transform: translateY(0);
            }
            .nav-links li a {
                display: block;
                padding: 12px 18px;
                border-radius: var(--radius);
                text-align: center;
            }
            .nav-capsule {
                border-radius: var(--radius-xl);
            }
            .page-hero {
                margin-top: -80px;
                padding-top: 80px;
            }
            .site-header {
                top: 8px;
                padding: 0 8px;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.5rem;
            }
            .page-hero .hero-subtitle {
                font-size: 0.85rem;
            }
            .page-hero {
                min-height: 260px;
            }
            .steps-list {
                grid-template-columns: 1fr;
            }
            .type-grid {
                grid-template-columns: 1fr;
            }
            .btn {
                padding: 11px 20px;
                font-size: 0.88rem;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .card-img {
                height: 160px;
            }
            .card-body {
                padding: 16px 14px 18px;
            }
            .card-body h3 {
                font-size: 1rem;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 0.82rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .cta-section p {
                font-size: 0.9rem;
            }
            .nav-logo .logo-text {
                font-size: 0.95rem;
            }
            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --primary-dark: #0d1f33;
            --accent: #d4a843;
            --accent-light: #e8c56b;
            --accent-dark: #b0882a;
            --bg-white: #ffffff;
            --bg-light: #f7f8fa;
            --bg-gray: #eef0f5;
            --bg-dark: #0f1923;
            --text-primary: #1a1f2e;
            --text-secondary: #4a5568;
            --text-weak: #718096;
            --text-white: #ffffff;
            --text-white-weak: rgba(255, 255, 255, 0.7);
            --border: #e2e8f0;
            --border-light: #edf2f7;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.1), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.08);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1280px;
        }

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

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

        body {
            font-family: var(--font-sans);
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-white);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

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

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

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

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

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

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

        /* ===== HEADER & NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 32px;
        }

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

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 20px;
            font-weight: 700;
            box-shadow: var(--shadow-sm);
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

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

        .nav-links {
            display: flex;
            list-style: none;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: rgba(26, 58, 92, 0.05);
        }

        .nav-links a.active {
            color: var(--bg-white);
            background: var(--primary);
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(26, 58, 92, 0.3);
        }

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

        .mobile-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
            background: var(--bg-gray);
            transition: all var(--transition);
        }

        .mobile-menu-btn:hover {
            background: var(--border);
        }

        @media (max-width: 900px) {
            .nav-links {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-slow);
                z-index: 999;
            }

            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }

            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 12px 18px;
                border-radius: var(--radius);
                font-size: 1rem;
            }

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

        @media (max-width: 520px) {
            .header-inner {
                height: 60px;
                gap: 12px;
            }
            .logo-text {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 17px;
            }
            .nav-links {
                top: 60px;
            }
        }

        /* ===== PAGE BANNER ===== */
        .page-banner {
            position: relative;
            background: linear-gradient(160deg, var(--primary-dark) 0%, var(--primary) 40%, var(--primary-light) 100%);
            padding: 60px 0;
            overflow: hidden;
            min-height: 260px;
            display: flex;
            align-items: center;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-2.webp') center / cover no-repeat;
            opacity: 0.18;
            mix-blend-mode: overlay;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(212, 168, 67, 0.15) 0%, transparent 70%);
        }

        .page-banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .page-banner-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            color: var(--accent-light);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 6px 20px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
        }

        .page-banner h1 {
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 0.02em;
            line-height: 1.25;
            margin: 0 0 12px;
        }

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

        .page-banner-desc {
            font-size: 1.1rem;
            color: var(--text-white-weak);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 44px 0;
                min-height: 200px;
            }
            .page-banner h1 {
                font-size: 1.9rem;
            }
            .page-banner-desc {
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.5rem;
            }
        }

        /* ===== SECTION COMMON ===== */
        .section {
            padding: 64px 0;
        }

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

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent);
            background: rgba(212, 168, 67, 0.1);
            padding: 5px 16px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin: 0 0 8px;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-weak);
            max-width: 560px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .section {
                padding: 44px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }

        /* ===== CARDS GRID ===== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .card-icon.blue {
            background: rgba(26, 58, 92, 0.08);
            color: var(--primary);
        }
        .card-icon.gold {
            background: rgba(212, 168, 67, 0.12);
            color: var(--accent);
        }
        .card-icon.teal {
            background: rgba(20, 140, 120, 0.08);
            color: #148c78;
        }
        .card-icon.rose {
            background: rgba(200, 60, 80, 0.08);
            color: #c83c50;
        }

        .card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
        }

        .card p {
            font-size: 0.95rem;
            color: var(--text-weak);
            line-height: 1.6;
            flex: 1;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            margin-top: 14px;
            transition: gap var(--transition);
        }

        .card-link:hover {
            color: var(--primary-light);
            gap: 10px;
        }

        .card-link i {
            font-size: 0.75rem;
        }

        /* ===== FEATURED BLOCK ===== */
        .featured-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            background: var(--bg-light);
            border-radius: var(--radius-xl);
            padding: 40px;
            border: 1px solid var(--border-light);
        }

        .featured-block.reverse {
            direction: rtl;
        }

        .featured-block.reverse>* {
            direction: ltr;
        }

        .featured-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4/3;
            position: relative;
        }

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

        .featured-block:hover .featured-image img {
            transform: scale(1.04);
        }

        .featured-text h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .featured-text p {
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            font-size: 0.98rem;
        }

        .featured-meta {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 16px;
        }

        .featured-meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            color: var(--text-weak);
        }

        .featured-meta-item i {
            color: var(--accent);
        }

        @media (max-width: 900px) {
            .featured-block {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 24px;
            }
            .featured-text h2 {
                font-size: 1.4rem;
            }
        }

        /* ===== TIPS LIST ===== */
        .tips-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 860px;
            margin: 0 auto;
        }

        .tip-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

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

        .tip-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--text-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .tip-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .tip-content p {
            font-size: 0.9rem;
            color: var(--text-weak);
            line-height: 1.6;
        }

        @media (max-width: 520px) {
            .tip-item {
                padding: 16px;
                gap: 12px;
            }
            .tip-number {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

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

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            background: transparent;
            cursor: pointer;
        }

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

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 18px;
        }

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

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(150deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-xl);
            padding: 52px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            margin: 0 0 64px;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-3.webp') center / cover no-repeat;
            opacity: 0.1;
            mix-blend-mode: overlay;
        }

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

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }

        .cta-section p {
            color: var(--text-white-weak);
            font-size: 1rem;
            max-width: 500px;
            margin: 0 auto 24px;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            background: var(--accent);
            color: var(--primary-dark);
            box-shadow: 0 8px 24px rgba(212, 168, 67, 0.35);
            transition: all var(--transition);
            letter-spacing: 0.02em;
        }

        .btn-cta:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(212, 168, 67, 0.5);
        }

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

        @media (max-width: 600px) {
            .cta-section {
                padding: 36px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .btn-cta {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-white);
            padding: 48px 0 0;
            margin-top: auto;
        }

        .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, 0.1);
        }

        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: 8px;
            color: var(--text-white);
        }

        .footer-brand-desc {
            font-size: 0.9rem;
            color: var(--text-white-weak);
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col li a,
        .footer-col li span {
            font-size: 0.9rem;
            color: var(--text-white-weak);
            transition: color var(--transition);
            line-height: 1.5;
        }

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

        .footer-bottom {
            text-align: center;
            padding: 20px 0;
        }

        .footer-bottom p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }

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

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* Utility */
        .text-accent {
            color: var(--accent);
        }
        .mt-2 {
            margin-top: 8px;
        }
        .mt-4 {
            margin-top: 16px;
        }
        .mb-2 {
            margin-bottom: 8px;
        }
        .mb-4 {
            margin-bottom: 16px;
        }