/* roulang page: index */
:root {
            --color-primary: #0b1e3d;
            --color-primary-dark: #060f22;
            --color-accent: #c8963e;
            --color-accent-light: #e0b86b;
            --color-accent-dark: #a07828;
            --color-bg: #ffffff;
            --color-bg-alt: #f5f3ef;
            --color-bg-dark: #0b1e3d;
            --color-text: #1a1a1a;
            --color-text-light: #5c5c5c;
            --color-text-muted: #8a8a8a;
            --color-border: #e0dcd5;
            --color-border-light: #eeece7;
            --color-white: #ffffff;
            --color-success: #2d8b4e;
            --color-danger: #c0392b;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 26px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 22px rgba(0, 0, 0, 0.09);
            --shadow-lg: 0 14px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-display: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
            --section-gap: 80px;
            --section-gap-sm: 50px;
            --container-max: 1240px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

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

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

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

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

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 6px;
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-display);
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-primary);
        }

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

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            :root {
                --section-gap: 50px;
                --section-gap-sm: 32px;
            }
        }

        /* ========== TOP BAR ========== */
        .top-bar {
            background-color: var(--color-primary-dark);
            color: #c0c8d4;
            font-size: 0.82rem;
            padding: 8px 0;
            letter-spacing: 0.02em;
        }
        .top-bar .container-custom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px 16px;
        }
        .top-bar a {
            color: #d4d9e2;
            transition: color var(--transition-fast);
        }
        .top-bar a:hover {
            color: var(--color-accent-light);
        }
        .top-bar__left {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }
        .top-bar__right {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .top-bar__badge {
            background-color: var(--color-accent);
            color: #fff;
            padding: 3px 10px;
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
        }

        /* ========== MAIN NAV ========== */
        .main-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-white);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.07);
            transition: box-shadow var(--transition-smooth);
        }
        .main-header.scrolled {
            box-shadow: 0 4px 28px rgba(0, 0, 0, 0.12);
        }
        .main-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 20px;
        }
        .nav-logo {
            font-family: var(--font-display);
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            font-weight: 900;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-block;
            padding: 9px 16px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
            border-radius: 25px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--color-accent);
            background-color: #fdf9f2;
        }
        .nav-links a.active {
            color: #fff;
            background-color: var(--color-accent);
            box-shadow: 0 4px 14px rgba(200, 150, 62, 0.35);
        }
        .nav-links a.active:hover {
            background-color: var(--color-accent-dark);
            color: #fff;
        }
        .nav-cta-btn {
            background: var(--color-primary);
            color: #fff !important;
            padding: 10px 22px !important;
            border-radius: 25px !important;
            font-weight: 700 !important;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth) !important;
            box-shadow: 0 4px 14px rgba(11, 30, 61, 0.25);
        }
        .nav-cta-btn:hover {
            background: var(--color-primary-dark) !important;
            box-shadow: 0 6px 20px rgba(11, 30, 61, 0.4) !important;
            transform: translateY(-2px);
            color: #fff !important;
        }

        /* Mobile nav */
        .navbar-toggler {
            border: none;
            background: transparent;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .navbar-toggler:hover {
            background: #f0ede8;
        }
        @media (max-width: 991px) {
            .nav-links {
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                width: 100%;
                padding: 12px 0;
            }
            .nav-links a {
                text-align: center;
                border-radius: var(--radius-sm);
                padding: 11px 16px;
            }
            .main-nav {
                flex-wrap: wrap;
            }
            .nav-cta-btn {
                margin-top: 4px;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 620px;
            display: flex;
            align-items: center;
            color: #fff;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 30, 61, 0.88) 0%, rgba(11, 30, 61, 0.65) 50%, rgba(6, 15, 34, 0.82) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            max-width: 700px;
        }
        .hero-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 7px 18px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.05em;
            margin-bottom: 20px;
        }
        .hero-title {
            font-size: 3rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: 0.03em;
            line-height: 1.15;
            margin-bottom: 18px;
        }
        .hero-subtitle {
            font-size: 1.2rem;
            color: #e0d7c8;
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 600px;
        }
        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            border: none;
            padding: 13px 30px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 20px rgba(200, 150, 62, 0.35);
        }
        .btn-accent:hover {
            background: var(--color-accent-dark);
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(160, 120, 40, 0.45);
            color: #fff;
        }
        .btn-outline-light-custom {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.55);
            padding: 13px 30px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
        }
        .btn-outline-light-custom:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            transform: translateY(-3px);
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: 480px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-buttons {
                flex-direction: column;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-section {
                min-height: 420px;
            }
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-alt {
            background-color: var(--color-bg-alt);
        }
        .section-dark {
            background-color: var(--color-bg-dark);
            color: #d4d9e2;
        }
        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 10px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 10px;
        }
        .section-header .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-light);
            max-width: 600px;
            margin: 0 auto;
        }
        @media (max-width: 768px) {
            .section-header h2 {
                font-size: 1.6rem;
            }
        }

        /* ========== STATS CARDS ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-accent-light);
        }
        .stat-card .stat-icon {
            font-size: 2.2rem;
            color: var(--color-accent);
            margin-bottom: 10px;
        }
        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--color-primary);
            letter-spacing: 0.02em;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }
        .stat-card .stat-unit {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-accent);
        }
        @media (max-width: 991px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-card .stat-number {
                font-size: 1.6rem;
            }
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .brand-intro-block .brand-text h3 {
            font-size: 1.7rem;
            margin-bottom: 16px;
            color: var(--color-primary);
        }
        .brand-intro-block .brand-text p {
            font-size: 1.02rem;
            line-height: 1.85;
            color: var(--color-text-light);
            margin-bottom: 12px;
        }
        .brand-intro-block .brand-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .brand-intro-block .brand-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 340px;
        }
        @media (max-width: 768px) {
            .brand-intro-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .brand-intro-block .brand-image img {
                min-height: 240px;
            }
        }

        /* ========== ADVANTAGE CARDS ========== */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .advantage-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 30px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid transparent;
            transition: all var(--transition-smooth);
        }
        .advantage-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent-light);
            transform: translateY(-5px);
        }
        .advantage-card .adv-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, #fdf6e8, #f8ecd5);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--color-accent);
            margin: 0 auto 16px;
        }
        .advantage-card h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .advantage-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin: 0;
        }
        @media (max-width: 991px) {
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .advantage-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== BRAND STORY ========== */
        .story-block {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: center;
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .story-block .story-image {
            min-height: 380px;
            height: 100%;
        }
        .story-block .story-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 380px;
        }
        .story-block .story-content {
            padding: 36px 32px 36px 8px;
        }
        .story-block .story-content h3 {
            font-size: 1.7rem;
            margin-bottom: 14px;
        }
        .story-block .story-content p {
            color: var(--color-text-light);
            line-height: 1.8;
            margin-bottom: 10px;
        }
        @media (max-width: 768px) {
            .story-block {
                grid-template-columns: 1fr;
            }
            .story-block .story-image img {
                min-height: 240px;
            }
            .story-block .story-content {
                padding: 24px 20px;
            }
        }

        /* ========== SERVICE CARDS ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .service-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            border: 1px solid var(--color-border-light);
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
        }
        .service-card .card-img-wrap {
            height: 200px;
            overflow: hidden;
        }
        .service-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .service-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .service-card .card-body-custom {
            padding: 20px 18px;
        }
        .service-card .card-body-custom h4 {
            font-size: 1.1rem;
            margin-bottom: 6px;
        }
        .service-card .card-body-custom p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.55;
        }
        .service-card .card-tag {
            display: inline-block;
            background: #fdf6e8;
            color: var(--color-accent-dark);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 14px;
            margin-bottom: 8px;
        }
        @media (max-width: 991px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .service-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== PARTNERS ========== */
        .partners-scroll {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
            align-items: center;
        }
        .partner-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px 28px;
            box-shadow: var(--shadow-sm);
            font-weight: 700;
            color: var(--color-text-light);
            font-size: 1rem;
            transition: all var(--transition-smooth);
            border: 1px solid var(--color-border-light);
            text-align: center;
            min-width: 130px;
        }
        .partner-item:hover {
            box-shadow: var(--shadow-md);
            color: var(--color-accent);
            border-color: var(--color-accent-light);
            transform: translateY(-3px);
        }
        .partner-item .partner-icon {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: 6px;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 26px 22px;
            box-shadow: var(--shadow-sm);
            border-left: 4px solid var(--color-accent);
            transition: all var(--transition-smooth);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .testimonial-card .testimonial-text {
            font-style: italic;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .testimonial-card .testimonial-author {
            font-weight: 700;
            color: var(--color-primary);
            font-size: 0.9rem;
        }
        .testimonial-card .testimonial-role {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        @media (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-list .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 20px 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-list .faq-item:first-child {
            border-top: 1px solid var(--color-border-light);
        }
        .faq-list .faq-question {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .faq-list .faq-question .faq-icon {
            transition: transform var(--transition-smooth);
            color: var(--color-accent);
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .faq-list .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-list .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            color: var(--color-text-light);
            line-height: 1.75;
            font-size: 0.95rem;
        }
        .faq-list .faq-item.open .faq-answer {
            max-height: 500px;
            padding-top: 12px;
        }
        .faq-list .faq-item:hover .faq-question {
            color: var(--color-accent);
        }

        /* ========== NEWS ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .news-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            border: 1px solid var(--color-border-light);
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .news-card .news-img-wrap {
            height: 180px;
            overflow: hidden;
        }
        .news-card .news-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .news-card:hover .news-img-wrap img {
            transform: scale(1.05);
        }
        .news-card .news-body {
            padding: 18px 16px;
        }
        .news-card .news-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-bottom: 4px;
        }
        .news-card .news-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-card .news-excerpt {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            margin-bottom: 10px;
        }
        .news-card .btn-readmore {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-accent);
            transition: color var(--transition-fast);
        }
        .news-card .btn-readmore:hover {
            color: var(--color-accent-dark);
        }
        @media (max-width: 991px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, #152d54 50%, var(--color-primary-dark) 100%);
            color: #fff;
            text-align: center;
            padding: 56px 0;
            border-radius: var(--radius-xl);
            margin: 0 24px;
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h3 {
            color: #fff;
            font-size: 1.8rem;
            margin-bottom: 10px;
        }
        .cta-section p {
            color: #d4d9e2;
            margin-bottom: 22px;
            font-size: 1.05rem;
        }
        .cta-section .btn-accent {
            font-size: 1.05rem;
            padding: 14px 36px;
        }
        @media (max-width: 768px) {
            .cta-section {
                margin: 0 12px;
                padding: 40px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h3 {
                font-size: 1.4rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary-dark);
            color: #b0b8c4;
            padding: 50px 0 30px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 14px;
            font-weight: 700;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul li a {
            color: #b0b8c4;
            transition: color var(--transition-fast);
            font-size: 0.88rem;
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: #7a8494;
        }
        .footer-logo-text {
            font-family: var(--font-display);
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.04em;
            margin-bottom: 8px;
            display: inline-block;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== MISC UTILITY ========== */
        .text-accent {
            color: var(--color-accent) !important;
        }
        .bg-accent-subtle {
            background-color: #fdf9f2;
        }
        .rounded-xl {
            border-radius: var(--radius-xl) !important;
        }
        .shadow-hover:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            transition: all var(--transition-smooth);
        }

/* roulang page: category1 */
:root {
            --color-primary: #0d1b3e;
            --color-primary-light: #15264f;
            --color-accent: #c9a96e;
            --color-accent-hover: #b8924f;
            --color-accent-light: #f5ecd7;
            --color-bg: #ffffff;
            --color-bg-alt: #f6f7f9;
            --color-bg-dark: #0d1b3e;
            --color-text: #1a1a2e;
            --color-text-soft: #5a6070;
            --color-text-light: #8b919e;
            --color-border: #e2e5ea;
            --color-border-light: #eef0f4;
            --color-success: #2d9d5a;
            --color-warning: #e8a840;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.07), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.09), 0 4px 10px rgba(0, 0, 0, 0.04);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.11), 0 8px 16px rgba(0, 0, 0, 0.05);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
            --topbar-height: 38px;
        }

        *,
        *::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-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            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-fast);
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .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;
            }
        }

        /* ===== TOP BAR ===== */
        .top-bar {
            background: var(--color-primary);
            color: #c5ccd8;
            font-size: 13px;
            height: var(--topbar-height);
            line-height: var(--topbar-height);
            position: sticky;
            top: 0;
            z-index: 1050;
            letter-spacing: 0.3px;
        }
        .top-bar .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .top-bar a {
            color: #d5dbe4;
            font-size: 12.5px;
            margin-left: 16px;
            transition: color var(--transition-fast);
        }
        .top-bar a:hover {
            color: var(--color-accent);
        }
        .top-bar .top-left {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .top-bar .top-left .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-accent);
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 0 0 rgba(201, 169, 110, 0.5);
            }
            50% {
                opacity: 0.5;
                box-shadow: 0 0 0 8px rgba(201, 169, 110, 0);
            }
        }
        @media (max-width: 576px) {
            .top-bar .top-right {
                display: none;
            }
            .top-bar {
                font-size: 12px;
            }
        }

        /* ===== HEADER / NAV ===== */
        .main-header {
            background: #ffffff;
            position: sticky;
            top: var(--topbar-height);
            z-index: 1040;
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }
        .main-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .main-nav {
            display: flex;
            align-items: center;
            width: 100%;
            justify-content: space-between;
            flex-wrap: nowrap;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary) !important;
            letter-spacing: 0.5px;
            white-space: nowrap;
            font-family: var(--font-heading);
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 1.1rem;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            border-radius: var(--radius-sm);
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.2px;
        }
        .nav-links a:hover {
            color: var(--color-primary);
            background: #f4f5f8;
        }
        .nav-links a.active {
            color: var(--color-accent);
            font-weight: 700;
            background: var(--color-accent-light);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 15px;
            right: 15px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
        }
        .nav-cta-btn {
            background: var(--color-accent) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 9px 20px !important;
            border-radius: 50px !important;
            margin-left: 8px;
            transition: all var(--transition-base) !important;
            letter-spacing: 0.3px !important;
            box-shadow: 0 2px 8px rgba(201, 169, 110, 0.3);
        }
        .nav-cta-btn:hover {
            background: var(--color-accent-hover) !important;
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.4) !important;
            transform: translateY(-1px);
            color: #fff !important;
        }
        .navbar-toggler {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 6px 12px;
            font-size: 1.3rem;
            color: var(--color-primary);
            background: transparent;
            transition: all var(--transition-fast);
        }
        .navbar-toggler:hover {
            background: #f4f5f8;
            border-color: var(--color-accent);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.2);
            outline: none;
        }
        @media (max-width: 991px) {
            .nav-links {
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                padding: 12px 0;
                background: #fff;
                border-radius: var(--radius-md);
                margin-top: 8px;
                box-shadow: var(--shadow-lg);
                max-height: 70vh;
                overflow-y: auto;
            }
            .nav-links a {
                padding: 11px 16px;
                border-radius: 6px;
                font-size: 0.95rem;
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-cta-btn {
                margin-left: 0;
                text-align: center;
                justify-content: center;
                margin-top: 4px;
            }
            .main-nav {
                flex-wrap: wrap;
            }
            #mainNavCollapse {
                width: 100%;
            }
        }

        /* ===== BREADCRUMB ===== */
        .breadcrumb-bar {
            background: var(--color-bg-alt);
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.85rem;
            color: var(--color-text-light);
        }
        .breadcrumb-bar .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .breadcrumb-bar a {
            color: var(--color-text-soft);
            transition: color var(--transition-fast);
        }
        .breadcrumb-bar a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-bar .sep {
            color: #c5cad4;
            font-size: 0.7rem;
        }
        .breadcrumb-bar .current {
            color: var(--color-accent);
            font-weight: 600;
        }

        /* ===== PAGE HERO ===== */
        .page-hero {
            position: relative;
            background: var(--color-primary);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            padding: 64px 0 60px;
            color: #ffffff;
            isolation: isolate;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 27, 62, 0.88) 0%, rgba(13, 27, 62, 0.7) 40%, rgba(21, 38, 79, 0.75) 100%);
            z-index: 1;
        }
        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 700px;
        }
        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(201, 169, 110, 0.2);
            border: 1px solid rgba(201, 169, 110, 0.4);
            color: var(--color-accent);
            padding: 5px 14px;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            width: fit-content;
        }
        .page-hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            letter-spacing: 0.8px;
            line-height: 1.25;
            font-family: var(--font-heading);
            margin: 0;
        }
        .page-hero .hero-desc {
            font-size: 1.08rem;
            color: #d0d7e3;
            line-height: 1.7;
            margin: 0;
            max-width: 560px;
        }
        .page-hero .hero-stats-row {
            display: flex;
            gap: 28px;
            margin-top: 8px;
            flex-wrap: wrap;
        }
        .page-hero .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .page-hero .hero-stat-num {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 0.5px;
        }
        .page-hero .hero-stat-label {
            font-size: 0.82rem;
            color: #b0b8c4;
        }
        @media (max-width: 768px) {
            .page-hero {
                padding: 40px 0 36px;
            }
            .page-hero h1 {
                font-size: 1.75rem;
            }
            .page-hero .hero-desc {
                font-size: 0.95rem;
            }
            .page-hero .hero-stats-row {
                gap: 16px;
            }
            .page-hero .hero-stat-num {
                font-size: 1.3rem;
            }
        }

        /* ===== SECTION SPACING ===== */
        .section-pad {
            padding: 56px 0;
        }
        .section-pad-lg {
            padding: 68px 0;
        }
        .section-pad-sm {
            padding: 36px 0;
        }
        @media (max-width: 768px) {
            .section-pad {
                padding: 36px 0;
            }
            .section-pad-lg {
                padding: 44px 0;
            }
        }

        /* ===== SECTION HEADING ===== */
        .section-heading {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-heading .heading-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 1.2px;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 6px;
        }
        .section-heading h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            font-family: var(--font-heading);
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }
        .section-heading .heading-line {
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            margin: 10px auto 14px;
            border-radius: 2px;
        }
        .section-heading p {
            color: var(--color-text-soft);
            max-width: 580px;
            margin: 0 auto;
            font-size: 0.95rem;
        }
        @media (max-width: 768px) {
            .section-heading h2 {
                font-size: 1.5rem;
            }
        }

        /* ===== CARDS ===== */
        .card-custom {
            background: #fff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: #d8dde6;
        }
        .card-custom .card-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card-custom .card-icon-accent {
            background: var(--color-accent-light);
            color: var(--color-accent);
        }
        .card-custom .card-icon-primary {
            background: #e8ecf4;
            color: var(--color-primary);
        }
        .card-custom h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
            font-family: var(--font-heading);
            letter-spacing: 0.3px;
        }
        .card-custom p {
            color: var(--color-text-soft);
            font-size: 0.9rem;
            line-height: 1.65;
            margin: 0;
            flex-grow: 1;
        }
        .card-custom .card-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.88rem;
            margin-top: 14px;
            transition: gap var(--transition-fast);
            flex-shrink: 0;
        }
        .card-custom .card-link:hover {
            gap: 8px;
            color: var(--color-accent-hover);
        }

        /* ===== IMAGE CARD ===== */
        .img-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
        }
        .img-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .img-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .img-card .img-card-body {
            padding: 18px 20px 20px;
        }
        .img-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
            font-family: var(--font-heading);
        }
        .img-card p {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.55;
            margin: 0;
        }

        /* ===== LIST STYLE ===== */
        .check-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--color-text-soft);
            line-height: 1.6;
        }
        .check-list li i {
            color: var(--color-success);
            font-size: 1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ===== TABLE STYLE ===== */
        .table-custom-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
        }
        .table-custom {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            font-size: 0.9rem;
            min-width: 650px;
        }
        .table-custom thead th {
            background: var(--color-primary);
            color: #fff;
            padding: 13px 16px;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.3px;
            text-align: left;
            white-space: nowrap;
            border: none;
        }
        .table-custom tbody td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--color-border-light);
            color: var(--color-text-soft);
            vertical-align: middle;
        }
        .table-custom tbody tr:hover {
            background: #fafbfc;
        }
        .table-custom tbody tr:last-child td {
            border-bottom: none;
        }
        .badge-status {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .badge-open {
            background: #e6f7ee;
            color: #1a7d42;
        }
        .badge-upcoming {
            background: #fff8ed;
            color: #b87a20;
        }
        .badge-closed {
            background: #f3f4f6;
            color: #6b7280;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--color-bg-alt);
        }
        .accordion-custom .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-fast);
        }
        .accordion-custom .accordion-item:hover {
            box-shadow: var(--shadow-md);
        }
        .accordion-custom .accordion-button {
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--color-primary);
            padding: 16px 20px;
            background: #fff;
            box-shadow: none !important;
            border-radius: var(--radius-md) !important;
            letter-spacing: 0.2px;
            transition: all var(--transition-fast);
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--color-accent);
            background: #fffdf7;
            border-bottom: 1px solid var(--color-border-light);
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.15) !important;
            border-color: var(--color-accent);
        }
        .accordion-custom .accordion-body {
            padding: 18px 20px;
            color: var(--color-text-soft);
            font-size: 0.9rem;
            line-height: 1.75;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            background: var(--color-primary);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            isolation: isolate;
            text-align: center;
            color: #fff;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(13, 27, 62, 0.85);
            z-index: 1;
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 620px;
            margin: 0 auto;
        }
        .cta-section h3 {
            font-size: 1.8rem;
            font-weight: 700;
            font-family: var(--font-heading);
            letter-spacing: 0.5px;
        }
        .cta-section p {
            color: #d0d7e3;
            margin: 10px 0 20px;
            font-size: 0.98rem;
        }
        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            padding: 13px 32px;
            border-radius: 50px;
            font-size: 1rem;
            letter-spacing: 0.4px;
            transition: all var(--transition-base);
            border: none;
            box-shadow: 0 6px 20px rgba(201, 169, 110, 0.35);
        }
        .btn-cta-large:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 10px 28px rgba(201, 169, 110, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }
        @media (max-width: 768px) {
            .cta-section h3 {
                font-size: 1.4rem;
            }
            .btn-cta-large {
                padding: 11px 24px;
                font-size: 0.9rem;
            }
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: #0a1529;
            color: #c5ccd8;
            padding: 48px 0 0;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 7px;
        }
        .footer-col ul li a {
            color: #b0b8c4;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-logo-text {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            font-family: var(--font-heading);
        }
        .footer-bottom {
            text-align: center;
            padding: 18px 0;
            font-size: 0.8rem;
            color: #8892a0;
            letter-spacing: 0.3px;
        }
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== UTILITIES ===== */
        .text-accent {
            color: var(--color-accent) !important;
        }
        .bg-alt {
            background: var(--color-bg-alt);
        }
        .rounded-xl {
            border-radius: var(--radius-xl) !important;
        }
        .fw-800 {
            font-weight: 800;
        }
        .gap-row-24 {
            row-gap: 24px;
        }

/* roulang page: category4 */
:root {
            --color-primary: #1b3a5c;
            --color-primary-dark: #0f2a45;
            --color-primary-light: #2a5278;
            --color-accent: #c8963e;
            --color-accent-hover: #b88732;
            --color-accent-light: #f5e6d0;
            --color-red: #c0392b;
            --color-red-hover: #a93226;
            --color-bg: #f8f9fb;
            --color-white: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #5f6b7a;
            --color-text-muted: #8895a7;
            --color-border: #e2e6ed;
            --color-border-light: #eef1f5;
            --color-card-bg: #ffffff;
            --color-footer-bg: #0f2137;
            --color-footer-text: #b0b8c4;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --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);
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', system-ui, sans-serif;
            --section-spacing: 80px;
            --section-spacing-md: 60px;
            --section-spacing-sm: 40px;
            --container-max: 1200px;
        }

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

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

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            margin-top: 0;
        }
        p {
            margin-bottom: 0.8rem;
        }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        @media (min-width: 1400px) {
            .container-custom {
                max-width: 1260px;
            }
        }

        /* ========== HEADER & NAVIGATION ========== */
        .main-header {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
        }
        .main-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .main-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            flex-wrap: wrap;
            gap: 12px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .nav-logo:hover {
            color: var(--color-primary-light);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-accent), #d4a843);
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-block;
            padding: 9px 16px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.93rem;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .nav-links a:hover {
            background: #f1f5f9;
            color: var(--color-primary);
        }
        .nav-links a.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            box-shadow: 0 2px 8px rgba(27, 58, 92, 0.2);
        }
        .nav-links a.active:hover {
            background: var(--color-primary-dark);
            color: #fff;
        }
        .nav-cta-btn {
            background: var(--color-accent) !important;
            color: #fff !important;
            font-weight: 700 !important;
            padding: 10px 20px !important;
            border-radius: 50px !important;
            margin-left: 6px;
            transition: all var(--transition-base) !important;
            letter-spacing: 0.4px;
            box-shadow: 0 3px 12px rgba(200, 150, 62, 0.25);
        }
        .nav-cta-btn:hover {
            background: var(--color-accent-hover) !important;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(200, 150, 62, 0.35);
        }
        .navbar-toggler {
            border: 1.5px solid var(--color-border);
            padding: 8px 10px;
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--color-primary);
            font-size: 1.2rem;
            transition: all var(--transition-fast);
        }
        .navbar-toggler:hover {
            background: #f1f5f9;
            border-color: var(--color-primary);
        }
        @media (max-width: 991px) {
            .nav-links {
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                gap: 4px;
                padding-top: 8px;
                margin-top: 4px;
                border-top: 1px solid var(--color-border-light);
            }
            .nav-links a {
                text-align: center;
                padding: 11px 16px;
            }
            .nav-cta-btn {
                margin-left: 0;
                text-align: center;
            }
            .main-nav {
                padding: 10px 0;
            }
            .nav-logo {
                font-size: 1.25rem;
            }
        }
        @media (max-width: 520px) {
            .nav-logo {
                font-size: 1.1rem;
                gap: 6px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 0.95rem;
            }
            .nav-links a {
                font-size: 0.85rem;
                padding: 9px 12px;
            }
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            background: linear-gradient(170deg, #1b3a5c 0%, #0f2a45 40%, #1a3d5e 100%);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            background-blend-mode: overlay;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 80px 20px;
            color: #fff;
            position: relative;
            z-index: 1;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 33, 55, 0.65);
            z-index: 0;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 1;
            max-width: 750px;
            margin: 0 auto;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 6px 18px;
            border-radius: 50px;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }
        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 1px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }
        .page-banner .banner-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.8;
            max-width: 600px;
            margin: 0 auto 20px;
        }
        .page-banner .banner-meta {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.8);
        }
        .page-banner .banner-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        @media (max-width: 768px) {
            .page-banner {
                min-height: 340px;
                padding: 60px 16px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner .banner-desc {
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .banner-badge {
                font-size: 0.78rem;
                padding: 5px 14px;
            }
        }

        /* ========== SECTION COMMONS ========== */
        .section-block {
            padding: var(--section-spacing) 20px;
        }
        @media (max-width: 768px) {
            .section-block {
                padding: var(--section-spacing-md) 16px;
            }
        }
        @media (max-width: 520px) {
            .section-block {
                padding: var(--section-spacing-sm) 14px;
            }
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-label {
            display: inline-block;
            font-weight: 700;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--color-accent);
            margin-bottom: 8px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 10px;
        }
        .section-header .section-subtitle {
            color: var(--color-text-secondary);
            font-size: 1.05rem;
            max-width: 550px;
            margin: 0 auto;
        }
        @media (max-width: 520px) {
            .section-header h2 {
                font-size: 1.5rem;
            }
        }

        /* ========== CARD STYLES ========== */
        .card-ticket {
            background: var(--color-card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .card-ticket:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-accent);
        }
        .card-ticket .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #eef2f7;
        }
        .card-ticket .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card-ticket:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .card-ticket .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-red);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 50px;
            letter-spacing: 0.5px;
        }
        .card-ticket .card-badge.hot {
            background: #e74c3c;
        }
        .card-ticket .card-badge.new {
            background: #27ae60;
        }
        .card-ticket .card-body-custom {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-ticket .card-body-custom h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-primary);
        }
        .card-ticket .card-body-custom .card-price {
            font-weight: 700;
            color: var(--color-accent);
            font-size: 1rem;
            margin-bottom: 8px;
        }
        .card-ticket .card-body-custom .card-desc {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            flex: 1;
        }
        .card-ticket .card-body-custom .card-meta-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--color-border-light);
        }
        .card-ticket .card-body-custom .card-meta-row span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== PROCESS / STEPS ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        @media (max-width: 992px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }
        .step-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .step-card .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.3rem;
            margin-bottom: 14px;
        }
        .step-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .step-card p {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            margin: 0;
        }

        /* ========== HIGHLIGHT CARDS ========== */
        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        @media (max-width: 992px) {
            .highlight-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .highlight-grid {
                grid-template-columns: 1fr;
            }
        }
        .highlight-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .highlight-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
            transform: translateY(-2px);
        }
        .highlight-card .hl-icon {
            flex-shrink: 0;
            width: 54px;
            height: 54px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: #fff;
        }
        .hl-icon.icon-blue {
            background: linear-gradient(135deg, #3b6cb4, #2a5298);
        }
        .hl-icon.icon-gold {
            background: linear-gradient(135deg, #c8963e, #b07d2e);
        }
        .hl-icon.icon-red {
            background: linear-gradient(135deg, #d9534f, #c0392b);
        }
        .highlight-card .hl-text h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .highlight-card .hl-text p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== NEWS LIST ========== */
        .news-list-block {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }
        .news-list-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border-light);
            align-items: flex-start;
            transition: all var(--transition-fast);
        }
        .news-list-item:last-child {
            border-bottom: none;
        }
        .news-list-item:hover {
            background: #fafbfc;
            margin: 0 -12px;
            padding-left: 12px;
            padding-right: 12px;
            border-radius: var(--radius-sm);
        }
        .news-list-item .news-date {
            flex-shrink: 0;
            background: #f1f5f9;
            border-radius: var(--radius-sm);
            padding: 8px 14px;
            text-align: center;
            font-weight: 700;
            font-size: 0.8rem;
            color: var(--color-text-secondary);
            min-width: 56px;
            letter-spacing: 0.5px;
        }
        .news-list-item .news-content h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .news-list-item .news-content p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.5;
        }
        .news-list-item .news-link {
            flex-shrink: 0;
            align-self: center;
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--color-accent);
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .news-list-item .news-link:hover {
            color: var(--color-accent-hover);
        }
        @media (max-width: 520px) {
            .news-list-item {
                flex-direction: column;
                gap: 8px;
            }
            .news-list-item .news-date {
                align-self: flex-start;
            }
            .news-list-item .news-link {
                align-self: flex-start;
            }
        }

        /* ========== FAQ ========== */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-wrapper .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            background: var(--color-white);
        }
        .faq-wrapper .accordion-button {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            padding: 18px 22px;
            background: var(--color-white);
            box-shadow: none;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
        }
        .faq-wrapper .accordion-button:not(.collapsed) {
            background: #f0f4f8;
            color: var(--color-primary-dark);
            box-shadow: none;
        }
        .faq-wrapper .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(27, 58, 92, 0.12);
            border-color: var(--color-primary-light);
        }
        .faq-wrapper .accordion-body {
            padding: 16px 22px 22px;
            font-size: 0.93rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            background: #fafcfd;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(160deg, #1b3a5c 0%, #0f2a45 100%);
            padding: 70px 20px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.025);
            pointer-events: none;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 1;
            max-width: 650px;
            margin: 0 auto;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 24px;
            line-height: 1.7;
        }
        .btn-cta-large {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            padding: 14px 36px;
            border-radius: 50px;
            letter-spacing: 0.5px;
            transition: all var(--transition-base);
            box-shadow: 0 6px 24px rgba(200, 150, 62, 0.35);
            border: none;
        }
        .btn-cta-large:hover {
            background: #d4a843;
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(200, 150, 62, 0.45);
            color: #fff;
        }
        @media (max-width: 520px) {
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .btn-cta-large {
                font-size: 1rem;
                padding: 12px 28px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding: 50px 20px 24px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .footer-logo-text {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
            font-family: var(--font-heading);
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .footer-col ul li {
            margin-bottom: 7px;
        }
        .footer-col ul li a {
            color: var(--color-footer-text);
            transition: color var(--transition-fast);
            font-size: 0.88rem;
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.82rem;
            color: #8895a7;
        }

        /* ========== UTILITY ========== */
        .text-accent {
            color: var(--color-accent) !important;
        }
        .bg-light-section {
            background: #f8fafc;
        }
        .bg-white-section {
            background: #fff;
        }
        .mt-neg-sm {
            margin-top: -20px;
        }

        /* ========== RESPONSIVE GRID HELPERS ========== */
        @media (max-width: 768px) {
            .row-gap-mobile {
                row-gap: 20px;
            }
        }

/* roulang page: category5 */
:root {
      --primary: #0a2c4e;
      --primary-light: #143b64;
      --accent: #c49b2a;
      --accent-light: #e0b84c;
      --bg-light: #f7f9fc;
      --bg-white: #ffffff;
      --text-dark: #1a2b3c;
      --text-body: #3a4a5c;
      --text-weak: #6b7d8e;
      --border-soft: #e2e8f0;
      --border-card: #e9eef3;
      --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.03);
      --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.05);
      --shadow-lg: 0 18px 40px rgba(0, 0, 0, 0.06);
      --radius-md: 12px;
      --radius-lg: 20px;
      --radius-btn: 30px;
      --transition: 0.25s ease;
    }
    * {
      box-sizing: border-box;
    }
    body {
      font-family: system-ui, -apple-system, 'Segoe UI', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
      background: var(--bg-light);
      color: var(--text-body);
      line-height: 1.7;
      margin: 0;
      overflow-x: hidden;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: color var(--transition);
    }
    h1, h2, h3, h4 {
      font-weight: 600;
      color: var(--text-dark);
      letter-spacing: -0.01em;
    }
    .container-custom {
      width: 100%;
      max-width: 1260px;
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }
    /* 导航沿用共享结构 */
    .main-header {
      background: var(--bg-white);
      box-shadow: var(--shadow-sm);
      position: sticky;
      top: 0;
      z-index: 100;
      border-bottom: 1px solid var(--border-soft);
    }
    .main-nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      padding: 12px 0;
    }
    .nav-logo {
      font-size: 1.6rem;
      font-weight: 700;
      color: var(--primary);
      display: flex;
      align-items: center;
      gap: 8px;
      white-space: nowrap;
    }
    .logo-icon {
      color: var(--accent);
      font-size: 1.8rem;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 1.8rem;
      flex-wrap: wrap;
    }
    .nav-links a {
      font-weight: 500;
      color: var(--text-dark);
      padding: 6px 0;
      border-bottom: 2px solid transparent;
      transition: color var(--transition), border-color var(--transition);
      font-size: 0.98rem;
    }
    .nav-links a:hover,
    .nav-links a.active {
      color: var(--accent);
      border-bottom-color: var(--accent);
    }
    .nav-cta-btn {
      background: var(--accent) !important;
      color: #fff !important;
      padding: 8px 20px !important;
      border-radius: var(--radius-btn) !important;
      border-bottom: none !important;
      font-weight: 600 !important;
      transition: background var(--transition) !important;
    }
    .nav-cta-btn:hover {
      background: var(--accent-light) !important;
    }
    .navbar-toggler {
      border: none;
      font-size: 1.5rem;
      color: var(--primary);
    }
    /* 页面 hero */
    .page-hero {
      background: linear-gradient(135deg, #0a2c4e 0%, #143b64 100%);
      color: #fff;
      padding: 50px 0;
      position: relative;
      overflow: hidden;
    }
    .page-hero::after {
      content: '';
      position: absolute;
      right: 0;
      bottom: 0;
      width: 320px;
      height: 320px;
      background: radial-gradient(circle, rgba(196, 155, 42, 0.15) 0%, transparent 70%);
      border-radius: 50%;
      transform: translate(30%, 30%);
    }
    .breadcrumb-custom {
      background: transparent;
      padding: 0;
      margin-bottom: 12px;
      font-size: 0.85rem;
      color: rgba(255,255,255,0.7);
    }
    .breadcrumb-custom a {
      color: rgba(255,255,255,0.8);
    }
    .breadcrumb-custom .active {
      color: var(--accent-light);
    }
    /* 卡片 */
    .card-custom {
      background: var(--bg-white);
      border: 1px solid var(--border-card);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      transition: box-shadow var(--transition), transform var(--transition);
      height: 100%;
    }
    .card-custom:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }
    .badge-accent {
      background: var(--accent);
      color: #fff;
      font-weight: 500;
      border-radius: 20px;
      padding: 4px 12px;
      font-size: 0.75rem;
    }
    .btn-accent {
      background: var(--accent);
      border: none;
      color: #fff;
      font-weight: 600;
      border-radius: var(--radius-btn);
      padding: 10px 24px;
      transition: background var(--transition), box-shadow var(--transition);
    }
    .btn-accent:hover {
      background: var(--accent-light);
      box-shadow: 0 10px 20px rgba(196, 155, 42, 0.25);
      color: #fff;
    }
    .btn-outline-primary-custom {
      border: 1.5px solid var(--primary);
      color: var(--primary);
      font-weight: 600;
      border-radius: var(--radius-btn);
      padding: 10px 24px;
      background: transparent;
      transition: all var(--transition);
    }
    .btn-outline-primary-custom:hover {
      background: var(--primary);
      color: #fff;
    }
    /* 表格 */
    .table-custom {
      background: #fff;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .table-custom th {
      background: var(--primary);
      color: #fff;
      font-weight: 500;
    }
    /* 页脚 */
    .site-footer {
      background: #0f2740;
      color: #cbd5e1;
      padding: 50px 0 25px;
      margin-top: 60px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
    }
    .footer-logo-text {
      font-size: 1.4rem;
      font-weight: 700;
      color: #fff;
    }
    .footer-col h4 {
      color: #fff;
      font-size: 1rem;
      margin-bottom: 16px;
    }
    .footer-col ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-col li {
      margin-bottom: 10px;
    }
    .footer-col a {
      color: #b0b8c4;
    }
    .footer-col a:hover {
      color: var(--accent-light);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.1);
      margin-top: 30px;
      padding-top: 20px;
      text-align: center;
      font-size: 0.85rem;
      color: #94a3b8;
    }
    @media (max-width: 992px) {
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .nav-links {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.6rem;
        margin-top: 12px;
        width: 100%;
      }
    }
    @media (max-width: 768px) {
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .container-custom {
        padding-left: 16px;
        padding-right: 16px;
      }
    }

/* roulang page: category3 */
:root {
            --color-primary: #1B3A7B;
            --color-primary-dark: #0F2557;
            --color-primary-light: #2A5298;
            --color-accent: #C8963E;
            --color-accent-light: #E0B86D;
            --color-accent-glow: #F0D28B;
            --color-cta: #E85D3A;
            --color-cta-hover: #C94A2C;
            --color-bg: #F6F7FB;
            --color-bg-alt: #EDF0F7;
            --color-white: #FFFFFF;
            --color-text: #1a1a2e;
            --color-text-secondary: #5A6070;
            --color-text-muted: #8B919E;
            --color-border: #E2E5EC;
            --color-border-light: #EEF0F5;
            --color-success: #2EAB6F;
            --color-card-shadow: 0 2px 16px rgba(27, 58, 123, 0.07);
            --color-card-shadow-hover: 0 8px 32px rgba(27, 58, 123, 0.14);
            --color-nav-shadow: 0 1px 8px rgba(0, 0, 0, 0.06);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --radius-full: 50%;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }

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

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

        body {
            font-family: var(--font-sans);
            line-height: 1.7;
            background-color: var(--color-bg);
            color: var(--color-text);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            letter-spacing: 0.015em;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-text);
        }
        p {
            margin: 0;
            color: var(--color-text-secondary);
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER ========== */
        .main-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--color-white);
            box-shadow: var(--color-nav-shadow);
            padding: 0;
            border-bottom: 1px solid var(--color-border-light);
        }
        .main-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            flex-wrap: wrap;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: 0.03em;
            transition: opacity var(--transition-fast);
        }
        .nav-logo:hover {
            opacity: 0.85;
            color: var(--color-primary);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            color: var(--color-accent-light);
            font-size: 1.15rem;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-block;
            padding: 8px 15px;
            border-radius: var(--radius-sm);
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--color-primary);
            background: rgba(27, 58, 123, 0.04);
        }
        .nav-links a.active {
            color: var(--color-primary);
            background: rgba(27, 58, 123, 0.07);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 15px;
            right: 15px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
        }
        .nav-cta-btn {
            background: var(--color-cta) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            font-weight: 600 !important;
            font-size: 0.9rem !important;
            transition: all var(--transition-smooth) !important;
            box-shadow: 0 2px 10px rgba(232, 93, 58, 0.3);
            margin-left: 8px;
        }
        .nav-cta-btn:hover {
            background: var(--color-cta-hover) !important;
            color: #fff !important;
            box-shadow: 0 4px 18px rgba(232, 93, 58, 0.45);
            transform: translateY(-1px);
            background: var(--color-cta-hover) !important;
        }
        .nav-cta-btn.active::after {
            display: none;
        }
        .navbar-toggler {
            border: none;
            background: transparent;
            color: var(--color-primary);
            font-size: 1.4rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .navbar-toggler:hover {
            background: rgba(27, 58, 123, 0.06);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: var(--color-primary-dark);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 37, 87, 0.88) 0%, rgba(27, 58, 123, 0.78) 50%, rgba(42, 82, 152, 0.65) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            color: #fff;
            max-width: 700px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.28);
            color: var(--color-accent-light);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
            backdrop-filter: blur(6px);
        }
        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
            line-height: 1.25;
        }
        .hero-content .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.9);
            font-weight: 400;
            margin-bottom: 24px;
            line-height: 1.6;
            max-width: 560px;
        }
        .hero-number-balls {
            display: flex;
            gap: 10px;
            margin-top: 8px;
            flex-wrap: wrap;
        }
        .hero-number-ball {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-full);
            background: linear-gradient(145deg, #fff 0%, #e8ecf4 100%);
            color: var(--color-primary);
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 3px 12px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.6);
            transition: transform var(--transition-smooth);
        }
        .hero-number-ball:hover {
            transform: translateY(-4px) scale(1.08);
            box-shadow: 0 8px 22px rgba(0, 0, 0, 0.3);
        }

        /* ========== SECTION COMMON ========== */
        .section-block {
            padding: var(--section-gap) 0;
        }
        .section-block-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .section-header .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 540px;
            margin: 0 auto;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-accent);
            margin-bottom: 8px;
        }

        /* ========== CARDS ========== */
        .card-custom {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--color-card-shadow);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--color-card-shadow-hover);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .card-icon-circle {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-full);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card-icon-blue {
            background: rgba(27, 58, 123, 0.08);
            color: var(--color-primary);
        }
        .card-icon-gold {
            background: rgba(200, 150, 62, 0.1);
            color: var(--color-accent);
        }
        .card-icon-cta {
            background: rgba(232, 93, 58, 0.08);
            color: var(--color-cta);
        }
        .card-custom h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }
        .card-custom p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* ========== GAME CARDS ========== */
        .game-card {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--color-card-shadow);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            height: 100%;
        }
        .game-card:hover {
            box-shadow: var(--color-card-shadow-hover);
            transform: translateY(-4px);
        }
        .game-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .game-card-body {
            padding: 22px 20px 20px;
        }
        .game-card-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .game-card-body .game-tag {
            display: inline-block;
            background: rgba(200, 150, 62, 0.12);
            color: var(--color-accent);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 14px;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .game-card-body p {
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ========== NUMBER BALLS SHOWCASE ========== */
        .number-showcase {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            padding: 20px 0;
        }
        .number-ball-lg {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-full);
            background: linear-gradient(160deg, #ffffff 0%, #dce3f0 40%, #c5cfe4 100%);
            color: var(--color-primary);
            font-weight: 800;
            font-size: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 16px rgba(27, 58, 123, 0.14), inset 0 2px 0 rgba(255, 255, 255, 0.7);
            transition: all var(--transition-smooth);
            cursor: default;
            user-select: none;
        }
        .number-ball-lg:hover {
            transform: translateY(-6px) scale(1.1);
            box-shadow: 0 10px 28px rgba(27, 58, 123, 0.24);
        }
        .number-ball-lg.highlight-ball {
            background: linear-gradient(160deg, #fff8e7 0%, #f0d28b 40%, #e0b86d 100%);
            color: #7a4e1b;
            box-shadow: 0 4px 18px rgba(200, 150, 62, 0.3), inset 0 2px 0 rgba(255, 255, 255, 0.6);
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--color-card-shadow);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }
        .stat-card:hover {
            box-shadow: var(--color-card-shadow-hover);
            transform: translateY(-2px);
        }
        .stat-value {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.1;
        }
        .stat-value.gold {
            color: var(--color-accent);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 6px;
            font-weight: 500;
        }

        /* ========== TIPS LIST ========== */
        .tips-list {
            list-style: none;
            padding: 0;
        }
        .tips-list li {
            padding: 14px 16px 14px 44px;
            position: relative;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            transition: background var(--transition-fast);
        }
        .tips-list li:last-child {
            border-bottom: none;
        }
        .tips-list li:hover {
            background: rgba(27, 58, 123, 0.02);
        }
        .tips-list li::before {
            content: '\f058';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 10px;
            top: 15px;
            color: var(--color-accent);
            font-size: 1rem;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-bg-alt);
            border-radius: var(--radius-xl);
            padding: 48px 32px;
            margin: 0 auto;
        }
        .faq-section .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            background: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            padding: 16px 20px;
            transition: all var(--transition-fast);
            box-shadow: none;
        }
        .faq-section .accordion-button:not(.collapsed) {
            background: rgba(27, 58, 123, 0.03);
            color: var(--color-primary);
            border-color: var(--color-primary);
            box-shadow: none;
        }
        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(27, 58, 123, 0.1);
            border-color: var(--color-primary);
        }
        .faq-section .accordion-body {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
            padding: 16px 20px 20px;
            background: var(--color-white);
            border-radius: 0 0 var(--radius-md) var(--radius-md);
        }
        .faq-section .accordion-item {
            border: none;
            margin-bottom: 10px;
            background: transparent;
        }

        /* ========== CTA ========== */
        .cta-section-block {
            background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 52px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section-block::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }
        .cta-section-block h2 {
            color: #fff;
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-section-block p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.05rem;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-lg {
            display: inline-block;
            background: var(--color-accent);
            color: #1a1a2e;
            padding: 14px 36px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 18px rgba(200, 150, 62, 0.4);
            position: relative;
            z-index: 1;
            border: none;
            cursor: pointer;
        }
        .btn-cta-lg:hover {
            background: var(--color-accent-light);
            color: #1a1a2e;
            box-shadow: 0 8px 28px rgba(200, 150, 62, 0.55);
            transform: translateY(-2px);
        }
        .btn-outline-light-custom {
            display: inline-block;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-smooth);
            position: relative;
            z-index: 1;
            margin-left: 10px;
        }
        .btn-outline-light-custom:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0f1629;
            color: #b0b8c4;
            padding: 48px 0 24px;
            margin-top: var(--section-gap);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-logo-text {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .footer-col ul li {
            margin-bottom: 8px;
            font-size: 0.9rem;
        }
        .footer-col ul li a {
            color: #8b919e;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: #6b7280;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .hero-section {
                min-height: 340px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .game-card-img {
                height: 160px;
            }
            .section-block {
                padding: 52px 0;
            }
            .faq-section {
                padding: 32px 20px;
            }
            .cta-section-block {
                padding: 36px 24px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                height: auto;
                padding: 10px 0;
            }
            #mainNavCollapse {
                flex-basis: 100%;
                padding-bottom: 10px;
            }
            .nav-links {
                flex-direction: column;
                gap: 2px;
                align-items: stretch;
                margin-top: 8px;
            }
            .nav-links a {
                text-align: center;
                padding: 10px 14px;
            }
            .nav-cta-btn {
                margin-left: 0;
                margin-top: 6px;
                text-align: center;
            }
            .nav-links a.active::after {
                left: 40px;
                right: 40px;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-content .hero-subtitle {
                font-size: 1rem;
            }
            .hero-section {
                min-height: 300px;
            }
            .hero-number-ball {
                width: 38px;
                height: 38px;
                font-size: 1.1rem;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-value {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .number-ball-lg {
                width: 46px;
                height: 46px;
                font-size: 1.2rem;
            }
            .number-showcase {
                gap: 8px;
            }
            .cta-section-block h2 {
                font-size: 1.4rem;
            }
            .btn-outline-light-custom {
                margin-left: 0;
                margin-top: 10px;
            }
            .section-block {
                padding: 40px 0;
            }
            .faq-section {
                padding: 24px 14px;
            }
            .faq-section .accordion-button {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 14px;
            }
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .hero-section {
                min-height: 260px;
            }
            .hero-content {
                padding: 36px 0;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-card {
                padding: 16px 12px;
            }
            .stat-value {
                font-size: 1.5rem;
            }
            .card-custom {
                padding: 20px 16px;
            }
            .game-card-img {
                height: 140px;
            }
            .number-ball-lg {
                width: 38px;
                height: 38px;
                font-size: 1rem;
            }
            .hero-number-ball {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .cta-section-block {
                padding: 28px 16px;
            }
            .cta-section-block h2 {
                font-size: 1.2rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #0f1f3d;
            --color-primary-light: #1a3560;
            --color-accent: #c8943e;
            --color-accent-light: #d4a853;
            --color-accent-dark: #a67b2e;
            --color-bg: #ffffff;
            --color-bg-soft: #f6f7f9;
            --color-bg-warm: #faf8f5;
            --color-text: #1a1a2e;
            --color-text-soft: #5a6070;
            --color-text-muted: #88909c;
            --color-border: #e2e5ea;
            --color-border-light: #eef0f4;
            --color-success: #0fa87a;
            --color-danger: #d94a3a;
            --color-card-shadow: 0 2px 14px rgba(15, 31, 61, 0.06);
            --color-card-shadow-hover: 0 10px 32px rgba(15, 31, 61, 0.11);
            --color-card-shadow-lg: 0 6px 28px rgba(15, 31, 61, 0.08);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-btn: 8px;
            --spacing-xs: 6px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-2xl: 64px;
            --spacing-3xl: 80px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: var(--font-body);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            font-size: 16px;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            margin-top: 0;
        }
        h2 {
            font-size: 2rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.35rem;
            letter-spacing: -0.005em;
        }
        h4 {
            font-size: 1.1rem;
        }

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

        /* ========== 顶部信息条 ========== */
        .top-info-bar {
            background: var(--color-primary);
            color: #c8d4e6;
            font-size: 0.82rem;
            padding: 7px 0;
            letter-spacing: 0.02em;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .top-info-bar .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px 16px;
        }
        .top-info-bar .info-left {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .top-info-bar .info-right {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .top-info-bar a {
            color: #d0d9e8;
            transition: color var(--transition-fast);
        }
        .top-info-bar a:hover {
            color: #ffffff;
        }
        .top-info-bar .hot-pulse {
            display: inline-block;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #e8553d;
            margin-right: 5px;
            animation: pulse-dot 1.6s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(232, 85, 61, 0.7);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(232, 85, 61, 0);
            }
        }
        .top-info-bar .info-divider {
            width: 1px;
            height: 14px;
            background: rgba(255, 255, 255, 0.2);
            display: inline-block;
            vertical-align: middle;
        }

        /* ========== 主导航 Header ========== */
        .main-header {
            background: #ffffff;
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 1040;
            box-shadow: 0 1px 6px rgba(15, 31, 61, 0.04);
        }
        .main-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0;
            min-height: 62px;
            flex-wrap: wrap;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 9px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-primary) !important;
            letter-spacing: -0.01em;
            white-space: nowrap;
            padding: 6px 0;
            transition: color var(--transition-fast);
        }
        .nav-logo:hover {
            color: var(--color-accent) !important;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #fff;
            font-size: 1rem;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .nav-links a:not(.nav-cta-btn) {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            font-size: 0.94rem;
            font-weight: 500;
            color: var(--color-text-soft);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .nav-links a:not(.nav-cta-btn):hover {
            color: var(--color-primary);
            background: var(--color-bg-soft);
        }
        .nav-links a.active:not(.nav-cta-btn) {
            color: var(--color-accent);
            font-weight: 600;
            background: rgba(200, 148, 62, 0.07);
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #ffffff !important;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            border-radius: var(--radius-btn);
            transition: all var(--transition-smooth);
            white-space: nowrap;
            letter-spacing: 0.02em;
            box-shadow: 0 2px 8px rgba(200, 148, 62, 0.3);
        }
        .nav-cta-btn:hover {
            background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
            box-shadow: 0 4px 16px rgba(200, 148, 62, 0.45);
            transform: translateY(-1px);
            color: #ffffff !important;
        }
        .navbar-toggler {
            border: none;
            background: transparent;
            font-size: 1.4rem;
            color: var(--color-primary);
            padding: 8px 10px;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .navbar-toggler:hover {
            background: var(--color-bg-soft);
        }
        .navbar-toggler:focus {
            outline: 3px solid rgba(200, 148, 62, 0.35);
            outline-offset: 2px;
            box-shadow: none;
        }

        /* ========== Hero ========== */
        .hero-category {
            position: relative;
            background: var(--color-primary);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 31, 61, 0.88) 0%, rgba(15, 31, 61, 0.7) 50%, rgba(30, 55, 100, 0.6) 100%);
            z-index: 1;
        }
        .hero-category .hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            color: #ffffff;
        }
        .hero-category .hero-badge {
            display: inline-block;
            background: rgba(200, 148, 62, 0.85);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }
        .hero-category h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            line-height: 1.2;
        }
        .hero-category .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin-bottom: 20px;
            line-height: 1.6;
        }
        .hero-category .hero-stats-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 10px;
        }
        .hero-category .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.9);
        }
        .hero-category .hero-stat-item .stat-num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-accent-light);
            letter-spacing: -0.01em;
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding: var(--spacing-2xl) 0;
        }
        .section-block.bg-soft {
            background: var(--color-bg-soft);
        }
        .section-block.bg-warm {
            background: var(--color-bg-warm);
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header h2 {
            margin-bottom: 8px;
            position: relative;
            display: inline-block;
        }
        .section-header h2::after {
            content: '';
            display: block;
            width: 48px;
            height: 3px;
            background: var(--color-accent);
            margin: 12px auto 0;
            border-radius: 2px;
        }
        .section-header .section-desc {
            color: var(--color-text-soft);
            font-size: 1rem;
            max-width: 600px;
            margin: 10px auto 0;
            line-height: 1.6;
        }

        /* ========== 玩法卡片 ========== */
        .play-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--color-card-shadow);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            position: relative;
            overflow: hidden;
        }
        .play-card:hover {
            box-shadow: var(--color-card-shadow-hover);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .play-card .card-icon-circle {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(200, 148, 62, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-accent);
            margin-bottom: 16px;
            flex-shrink: 0;
            transition: all var(--transition-smooth);
        }
        .play-card:hover .card-icon-circle {
            background: var(--color-accent);
            color: #fff;
        }
        .play-card h3 {
            margin-bottom: 6px;
            font-size: 1.2rem;
        }
        .play-card p {
            color: var(--color-text-soft);
            font-size: 0.93rem;
            line-height: 1.6;
            margin: 0;
            flex-grow: 1;
        }
        .play-card .card-tag {
            display: inline-block;
            margin-top: 12px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(200, 148, 62, 0.08);
            padding: 4px 12px;
            border-radius: 14px;
            letter-spacing: 0.02em;
        }

        /* ========== 赛事卡片 ========== */
        .match-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--color-card-shadow);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            height: 100%;
        }
        .match-card:hover {
            box-shadow: var(--color-card-shadow-hover);
            transform: translateY(-2px);
        }
        .match-card .match-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--color-bg-soft);
        }
        .match-card .match-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .match-card:hover .match-img-wrap img {
            transform: scale(1.04);
        }
        .match-card .match-img-wrap .match-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 4px;
            letter-spacing: 0.03em;
            z-index: 2;
        }
        .match-card .match-body {
            padding: 18px 16px;
        }
        .match-card .match-body h4 {
            font-size: 1rem;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .match-card .match-body .match-info {
            font-size: 0.84rem;
            color: var(--color-text-muted);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .match-card .match-body .match-info span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .match-card .match-body .match-deadline {
            display: inline-block;
            margin-top: 8px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-danger);
            background: rgba(217, 74, 58, 0.06);
            padding: 3px 10px;
            border-radius: 12px;
        }

        /* ========== 步骤指南 ========== */
        .step-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .step-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 22px 20px;
            box-shadow: var(--color-card-shadow);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }
        .step-item:hover {
            box-shadow: var(--color-card-shadow-hover);
            border-color: transparent;
        }
        .step-num {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .step-body h4 {
            margin-bottom: 4px;
            font-size: 1.05rem;
        }
        .step-body p {
            margin: 0;
            color: var(--color-text-soft);
            font-size: 0.92rem;
            line-height: 1.6;
        }

        /* ========== 资讯列表 ========== */
        .news-list-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 20px 22px;
            box-shadow: var(--color-card-shadow);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            margin-bottom: 14px;
        }
        .news-list-card:hover {
            box-shadow: var(--color-card-shadow-hover);
            border-color: transparent;
        }
        .news-list-card .news-date-badge {
            flex-shrink: 0;
            background: var(--color-bg-soft);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            text-align: center;
            min-width: 56px;
        }
        .news-list-card .news-date-badge .day {
            display: block;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
        }
        .news-list-card .news-date-badge .month {
            display: block;
            font-size: 0.75rem;
            color: var(--color-text-muted);
            margin-top: 2px;
        }
        .news-list-card .news-info h4 {
            font-size: 1rem;
            margin-bottom: 4px;
        }
        .news-list-card .news-info p {
            margin: 0;
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.5;
        }
        .news-list-card .news-read-more {
            flex-shrink: 0;
            align-self: center;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .news-list-card .news-read-more:hover {
            color: var(--color-accent-dark);
        }

        /* ========== FAQ ========== */
        .faq-accordion .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            box-shadow: var(--color-card-shadow);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .faq-accordion .faq-item:hover {
            box-shadow: var(--color-card-shadow-hover);
        }
        .faq-accordion .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            padding: 18px 22px;
            text-align: left;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            line-height: 1.4;
            transition: color var(--transition-fast);
        }
        .faq-accordion .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-accordion .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-smooth);
            color: var(--color-accent);
            font-size: 0.9rem;
        }
        .faq-accordion .faq-question[aria-expanded="true"] .faq-icon {
            transform: rotate(180deg);
        }
        .faq-accordion .faq-answer {
            padding: 0 22px 18px;
            color: var(--color-text-soft);
            font-size: 0.93rem;
            line-height: 1.7;
            display: none;
        }
        .faq-accordion .faq-answer.show {
            display: block;
        }

        /* ========== CTA ========== */
        .cta-section-block {
            background: var(--color-primary);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            padding: var(--spacing-2xl) 0;
            text-align: center;
            overflow: hidden;
        }
        .cta-section-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 31, 61, 0.92) 0%, rgba(20, 42, 75, 0.88) 100%);
            z-index: 1;
        }
        .cta-section-block .cta-content {
            position: relative;
            z-index: 2;
            color: #fff;
        }
        .cta-section-block h2 {
            color: #fff;
            font-size: 2rem;
            margin-bottom: 10px;
        }
        .cta-section-block .cta-desc {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1rem;
            max-width: 500px;
            margin: 0 auto 24px;
            line-height: 1.6;
        }
        .cta-btn-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            border: none;
            border-radius: var(--radius-btn);
            cursor: pointer;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 18px rgba(200, 148, 62, 0.4);
            text-decoration: none;
        }
        .cta-btn-lg:hover {
            background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
            box-shadow: 0 6px 24px rgba(200, 148, 62, 0.55);
            transform: translateY(-2px);
            color: #fff;
        }
        .cta-btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.4);
            border-radius: var(--radius-btn);
            cursor: pointer;
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
            text-decoration: none;
            margin-left: 12px;
        }
        .cta-btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0d1a30;
            color: #c8d4e6;
            padding: 48px 0 0;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-col h4 {
            color: #ffffff;
            font-size: 1rem;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #b0b8c4;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-logo-text {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: -0.01em;
        }
        .footer-bottom {
            text-align: center;
            padding: 18px 0;
            font-size: 0.82rem;
            color: #7a8494;
            letter-spacing: 0.02em;
        }
        .footer-bottom p {
            margin: 0;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-row {
            padding: 14px 0;
            font-size: 0.88rem;
            color: var(--color-text-muted);
            background: var(--color-bg-soft);
            border-bottom: 1px solid var(--color-border-light);
        }
        .breadcrumb-row a {
            color: var(--color-text-soft);
            transition: color var(--transition-fast);
        }
        .breadcrumb-row a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-row .sep {
            margin: 0 8px;
            color: #c0c7d2;
        }
        .breadcrumb-row .current {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .hero-category h1 {
                font-size: 2.2rem;
            }
            .hero-category {
                min-height: 340px;
            }
            .nav-links a:not(.nav-cta-btn) {
                padding: 7px 10px;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .top-info-bar {
                font-size: 0.75rem;
            }
            .top-info-bar .container-custom {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .main-nav {
                min-height: 54px;
            }
            .nav-logo {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
            #mainNavCollapse {
                background: #fff;
                border-top: 1px solid var(--color-border-light);
                padding: 10px 0;
                margin-top: 4px;
                width: 100%;
            }
            .nav-links {
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                padding: 6px 0;
            }
            .nav-links a:not(.nav-cta-btn) {
                padding: 10px 16px;
                border-radius: 0;
                font-size: 0.95rem;
            }
            .nav-cta-btn {
                margin: 8px 16px;
                text-align: center;
                justify-content: center;
                display: flex;
            }
            .hero-category {
                min-height: 300px;
                text-align: center;
            }
            .hero-category h1 {
                font-size: 1.8rem;
            }
            .hero-category .hero-subtitle {
                font-size: 1rem;
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-category .hero-stats-row {
                justify-content: center;
                gap: 16px;
            }
            .section-block {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.55rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                text-align: center;
            }
            .footer-col ul li {
                margin-bottom: 6px;
            }
            .news-list-card {
                flex-direction: column;
                gap: 10px;
                text-align: center;
            }
            .news-list-card .news-date-badge {
                align-self: center;
            }
            .news-list-card .news-read-more {
                align-self: center;
            }
            .cta-btn-outline {
                margin-left: 0;
                margin-top: 10px;
            }
            .step-item {
                flex-direction: column;
                align-items: center;
                text-align: center;
                gap: 10px;
            }
            .play-card {
                text-align: center;
                align-items: center;
            }
        }
        @media (max-width: 520px) {
            .hero-category h1 {
                font-size: 1.5rem;
            }
            .hero-category {
                min-height: 260px;
            }
            .hero-category .hero-content {
                padding: 40px 0;
            }
            .hero-category .hero-stats-row {
                flex-direction: column;
                align-items: center;
                gap: 8px;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
            .play-card {
                padding: 20px 16px;
            }
            .cta-section-block h2 {
                font-size: 1.4rem;
            }
            .cta-btn-lg {
                padding: 12px 24px;
                font-size: 0.95rem;
            }
            .cta-btn-outline {
                padding: 11px 22px;
                font-size: 0.9rem;
            }
            .faq-accordion .faq-question {
                padding: 14px 16px;
                font-size: 0.93rem;
            }
            .faq-accordion .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.88rem;
            }
            .breadcrumb-row {
                font-size: 0.78rem;
            }
            .match-card .match-body {
                padding: 14px 12px;
            }
        }