/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #0a1628;
            --primary-light: #132240;
            --primary-dark: #050d1a;
            --accent: #d4a853;
            --accent-hover: #c49530;
            --accent-glow: rgba(212, 168, 83, 0.25);
            --secondary: #e63946;
            --secondary-hover: #c1121f;
            --text-light: #f0ece4;
            --text-muted: #9a8c7a;
            --text-dark: #1a1a2e;
            --bg-dark: #0a1628;
            --bg-card: rgba(19, 34, 64, 0.85);
            --bg-section: #0d1f3c;
            --border-color: rgba(212, 168, 83, 0.18);
            --border-accent: rgba(212, 168, 83, 0.35);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.5);
            --shadow-accent: 0 4px 24px rgba(212, 168, 83, 0.2);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --spacer: 2rem;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover,
        a:focus {
            color: var(--accent-hover);
            outline: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-light);
        }
        p {
            color: var(--text-muted);
            margin-bottom: 1rem;
        }
        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
            margin-left: auto;
            margin-right: auto;
        }
        .section-padding {
            padding: 5rem 0;
        }
        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
            letter-spacing: -0.02em;
            color: var(--text-light);
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 680px;
            margin-bottom: 3rem;
        }
        .accent-text {
            color: var(--accent);
        }
        .gold-line {
            width: 60px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
            margin: 0.75rem 0 1.5rem 0;
        }
        .gold-line-center {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Navigation ===== */
        .navbar-main {
            background: rgba(10, 22, 40, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-color);
            padding: 0;
            transition: var(--transition);
            min-height: 72px;
        }
        .navbar-main .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding-top: 0.5rem;
            padding-bottom: 0.5rem;
        }
        .navbar-brand {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .navbar-brand:hover {
            color: var(--accent);
        }
        .navbar-brand i {
            color: var(--accent);
            font-size: 1.6rem;
        }
        .nav-search-wrap {
            flex: 1;
            max-width: 520px;
            margin: 0 1rem;
            position: relative;
            min-width: 160px;
        }
        .nav-search-wrap .form-control {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(212, 168, 83, 0.15);
            border-radius: 40px;
            padding: 0.6rem 1.2rem 0.6rem 2.8rem;
            color: var(--text-light);
            font-size: 0.95rem;
            transition: var(--transition);
            height: 44px;
        }
        .nav-search-wrap .form-control:focus {
            background: rgba(255, 255, 255, 0.10);
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-glow);
        }
        .nav-search-wrap .form-control::placeholder {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .nav-search-wrap .search-icon {
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 0.9rem;
            pointer-events: none;
        }
        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-shrink: 0;
        }
        .navbar-nav .nav-item .nav-link {
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .navbar-nav .nav-item .nav-link:hover,
        .navbar-nav .nav-item .nav-link:focus {
            color: var(--accent);
            background: rgba(212, 168, 83, 0.08);
        }
        .navbar-nav .nav-item .nav-link.active {
            color: var(--accent);
            background: rgba(212, 168, 83, 0.12);
        }
        .navbar-nav .nav-item .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .nav-cta-btn {
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            color: var(--primary-dark) !important;
            font-weight: 700 !important;
            padding: 0.5rem 1.4rem !important;
            border-radius: 40px !important;
            box-shadow: 0 2px 12px rgba(212, 168, 83, 0.25);
            transition: var(--transition) !important;
            margin-left: 0.5rem;
            border: none;
        }
        .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(212, 168, 83, 0.35);
            background: linear-gradient(135deg, var(--accent-hover), var(--accent));
        }
        .navbar-toggler {
            border: 1px solid var(--border-color);
            color: var(--text-light);
            padding: 0.4rem 0.6rem;
            border-radius: var(--radius-sm);
            background: transparent;
            font-size: 1.2rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .navbar-toggler:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .navbar-toggler:focus {
            outline: 2px solid var(--accent-glow);
            outline-offset: 2px;
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 86vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 6rem 0 4rem;
            overflow: hidden;
            background: var(--primary-dark);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            z-index: 1;
            filter: saturate(1.1) brightness(0.7);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center 30%, rgba(10, 22, 40, 0.30) 0%, rgba(10, 22, 40, 0.88) 85%);
            z-index: 2;
        }
        .hero-content {
            position: relative;
            z-index: 3;
            max-width: 860px;
            padding: 0 1.5rem;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(212, 168, 83, 0.12);
            border: 1px solid rgba(212, 168, 83, 0.25);
            border-radius: 40px;
            padding: 0.3rem 1.2rem;
            font-size: 0.85rem;
            color: var(--accent);
            letter-spacing: 1px;
            margin-bottom: 1.5rem;
            text-transform: uppercase;
            font-weight: 600;
        }
        .hero-title {
            font-size: 3.6rem;
            font-weight: 900;
            line-height: 1.1;
            letter-spacing: -0.03em;
            color: var(--text-light);
            margin-bottom: 1rem;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }
        .hero-title .highlight {
            color: var(--accent);
        }
        .hero-sub {
            font-size: 1.2rem;
            color: rgba(240, 236, 228, 0.75);
            max-width: 640px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }
        .hero-search-wrap {
            max-width: 600px;
            margin: 0 auto 2.2rem;
            position: relative;
        }
        .hero-search-wrap .form-control {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(212, 168, 83, 0.20);
            border-radius: 50px;
            padding: 0.85rem 1.5rem 0.85rem 3.4rem;
            color: var(--text-light);
            font-size: 1.05rem;
            transition: var(--transition);
            height: 58px;
        }
        .hero-search-wrap .form-control:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--accent);
            box-shadow: 0 0 0 4px var(--accent-glow);
        }
        .hero-search-wrap .form-control::placeholder {
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .hero-search-wrap .search-icon-big {
            position: absolute;
            left: 1.3rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 1.2rem;
        }
        .hero-btns {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .btn-gold {
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            color: var(--primary-dark);
            font-weight: 700;
            padding: 0.75rem 2.4rem;
            border-radius: 40px;
            border: none;
            font-size: 1rem;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(212, 168, 83, 0.25);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            cursor: pointer;
        }
        .btn-gold:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(212, 168, 83, 0.35);
            color: var(--primary-dark);
        }
        .btn-gold:focus {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }
        .btn-outline-gold {
            background: transparent;
            border: 2px solid var(--accent);
            color: var(--accent);
            font-weight: 600;
            padding: 0.75rem 2.4rem;
            border-radius: 40px;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            cursor: pointer;
        }
        .btn-outline-gold:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 4px 20px rgba(212, 168, 83, 0.2);
        }
        .btn-outline-gold:focus {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 2.5rem;
            margin-top: 3rem;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            text-align: center;
        }
        .hero-stat-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .hero-stat-item .label {
            font-size: 0.85rem;
            color: var(--text-muted);
            letter-spacing: 0.5px;
        }

        /* ===== Advantages ===== */
        .advantages-section {
            background: var(--bg-section);
            position: relative;
        }
        .advantage-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 2.2rem 1.8rem;
            text-align: center;
            transition: var(--transition);
            height: 100%;
            backdrop-filter: blur(6px);
        }
        .advantage-card:hover {
            border-color: var(--border-accent);
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .advantage-card .icon-box {
            width: 68px;
            height: 68px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.10);
            border: 1px solid rgba(212, 168, 83, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.2rem;
            font-size: 1.8rem;
            color: var(--accent);
            transition: var(--transition);
        }
        .advantage-card:hover .icon-box {
            background: rgba(212, 168, 83, 0.18);
            border-color: var(--accent);
            transform: scale(1.05);
        }
        .advantage-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
        }
        .advantage-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== Featured Events ===== */
        .events-section {
            background: var(--primary);
        }
        .event-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            backdrop-filter: blur(6px);
        }
        .event-card:hover {
            border-color: var(--border-accent);
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .event-card .card-img-wrap {
            position: relative;
            height: 190px;
            overflow: hidden;
        }
        .event-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .event-card:hover .card-img-wrap img {
            transform: scale(1.08);
        }
        .event-card .card-img-overlay-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--secondary);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.2rem 0.8rem;
            border-radius: 40px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .event-card .card-body {
            padding: 1.4rem 1.4rem 1.6rem;
        }
        .event-card .card-body h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
        }
        .event-card .card-body .meta {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.6rem;
        }
        .event-card .card-body .meta i {
            color: var(--accent);
            width: 16px;
        }
        .event-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
        }
        .event-card .card-body .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
        }
        .event-card .card-body .tag {
            background: rgba(212, 168, 83, 0.08);
            border: 1px solid rgba(212, 168, 83, 0.12);
            color: var(--accent);
            font-size: 0.7rem;
            font-weight: 600;
            padding: 0.15rem 0.7rem;
            border-radius: 40px;
        }

        /* ===== CMS News ===== */
        .news-section {
            background: var(--bg-section);
        }
        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.6rem 1.8rem;
            transition: var(--transition);
            height: 100%;
            backdrop-filter: blur(6px);
        }
        .news-card:hover {
            border-color: var(--border-accent);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0.6rem;
        }
        .news-card .news-meta .cat {
            background: rgba(212, 168, 83, 0.10);
            border: 1px solid rgba(212, 168, 83, 0.12);
            color: var(--accent);
            font-weight: 600;
            padding: 0.1rem 0.7rem;
            border-radius: 40px;
            font-size: 0.7rem;
        }
        .news-card .news-meta .date i {
            margin-right: 0.3rem;
            color: var(--accent);
        }
        .news-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }
        .news-card h4 a {
            color: var(--text-light);
        }
        .news-card h4 a:hover {
            color: var(--accent);
        }
        .news-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
        }
        .news-card .read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .news-card .read-more:hover {
            gap: 0.6rem;
        }
        .empty-news {
            background: var(--bg-card);
            border: 1px dashed var(--border-color);
            border-radius: var(--radius-md);
            padding: 3rem 2rem;
            text-align: center;
            color: var(--text-muted);
            font-size: 1rem;
        }
        .empty-news i {
            font-size: 2.4rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
            opacity: 0.5;
        }

        /* ===== Stats Counter ===== */
        .stats-section {
            background: var(--primary);
            position: relative;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            opacity: 0.06;
            z-index: 1;
        }
        .stats-section .container {
            position: relative;
            z-index: 2;
        }
        .stat-item {
            text-align: center;
            padding: 1.5rem 0.5rem;
        }
        .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--accent);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .stat-item .stat-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-top: 0.3rem;
            font-weight: 500;
        }
        .stat-item .stat-icon {
            font-size: 1.8rem;
            color: var(--accent);
            margin-bottom: 0.5rem;
            opacity: 0.6;
        }

        /* ===== Process / Steps ===== */
        .process-section {
            background: var(--bg-section);
        }
        .step-card {
            text-align: center;
            padding: 2rem 1.2rem;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: var(--transition);
            height: 100%;
            position: relative;
        }
        .step-card:hover {
            border-color: var(--border-accent);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .step-card .step-num {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            color: var(--primary-dark);
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.2rem;
            box-shadow: 0 4px 16px rgba(212, 168, 83, 0.25);
        }
        .step-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .step-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--primary);
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.4rem 1.6rem;
            margin-bottom: 0.8rem;
            transition: var(--transition);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: var(--border-accent);
        }
        .faq-item .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-light);
            gap: 1rem;
        }
        .faq-item .faq-q i {
            color: var(--accent);
            font-size: 1.1rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item .faq-a {
            margin-top: 1rem;
            padding-top: 1rem;
            border-top: 1px solid rgba(212, 168, 83, 0.08);
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-a {
            display: block;
        }
        .faq-item.active .faq-q i {
            transform: rotate(180deg);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-section);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.07;
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-card {
            background: linear-gradient(145deg, rgba(212, 168, 83, 0.06), rgba(212, 168, 83, 0.01));
            border: 1px solid var(--border-accent);
            border-radius: var(--radius-xl);
            padding: 3.5rem 3rem;
            text-align: center;
            max-width: 860px;
            margin: 0 auto;
        }
        .cta-card h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 0.8rem;
        }
        .cta-card p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 2rem;
        }
        .cta-card .btn-gold {
            font-size: 1.1rem;
            padding: 0.9rem 3rem;
        }

        /* ===== Footer ===== */
        .footer-main {
            background: var(--primary-dark);
            border-top: 1px solid var(--border-color);
            padding: 3.5rem 0 2rem;
        }
        .footer-brand {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.8rem;
        }
        .footer-brand i {
            color: var(--accent);
        }
        .footer-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            max-width: 320px;
            line-height: 1.7;
        }
        .footer-heading {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 1rem;
            letter-spacing: 0.5px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-social {
            display: flex;
            gap: 0.75rem;
            margin-top: 1rem;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.06);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-3px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(212, 168, 83, 0.06);
            margin-top: 2rem;
            padding-top: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .footer-bottom p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .footer-bottom .legal-links {
            display: flex;
            gap: 1.2rem;
            font-size: 0.85rem;
        }
        .footer-bottom .legal-links a {
            color: var(--text-muted);
        }
        .footer-bottom .legal-links a:hover {
            color: var(--accent);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.8rem;
            }
            .section-title {
                font-size: 1.9rem;
            }
            .cta-card {
                padding: 2.5rem 2rem;
            }
            .cta-card h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .navbar-main .container {
                flex-wrap: wrap;
                gap: 0.5rem;
            }
            .nav-search-wrap {
                order: 3;
                max-width: 100%;
                margin: 0.3rem 0 0;
                flex-basis: 100%;
            }
            .navbar-nav {
                order: 4;
                flex-basis: 100%;
                justify-content: center;
                margin-top: 0.3rem;
                gap: 0;
            }
            .navbar-nav .nav-item .nav-link {
                padding: 0.4rem 0.8rem;
                font-size: 0.85rem;
            }
            .nav-cta-btn {
                margin-left: 0.2rem;
                padding: 0.4rem 1rem !important;
                font-size: 0.85rem;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-sub {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 1.5rem;
            }
            .hero-stat-item .num {
                font-size: 1.5rem;
            }
            .section-padding {
                padding: 3rem 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .event-card .card-img-wrap {
                height: 150px;
            }
            .stat-item .stat-number {
                font-size: 2.2rem;
            }
            .cta-card {
                padding: 2rem 1.2rem;
            }
            .cta-card h2 {
                font-size: 1.5rem;
            }
            .footer-main {
                padding: 2.5rem 0 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .hero-search-wrap .form-control {
                height: 50px;
                font-size: 0.95rem;
                padding: 0.7rem 1.2rem 0.7rem 3rem;
            }
            .navbar-brand {
                font-size: 1.1rem;
            }
            .navbar-brand i {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-btns {
                flex-direction: column;
                width: 100%;
            }
            .hero-btns .btn-gold,
            .hero-btns .btn-outline-gold {
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                gap: 1rem;
                flex-direction: column;
                align-items: center;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .event-card .card-img-wrap {
                height: 130px;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
            .news-card {
                padding: 1.2rem 1.2rem;
            }
            .faq-item {
                padding: 1rem 1.2rem;
            }
            .cta-card h2 {
                font-size: 1.3rem;
            }
            .navbar-brand {
                font-size: 1rem;
            }
            .navbar-brand i {
                font-size: 1.1rem;
            }
            .nav-search-wrap .form-control {
                font-size: 0.85rem;
                padding: 0.5rem 1rem 0.5rem 2.4rem;
                height: 38px;
            }
        }

        /* ===== Utility ===== */
        .text-accent {
            color: var(--accent);
        }
        .bg-accent-soft {
            background: rgba(212, 168, 83, 0.06);
        }
        .border-accent {
            border-color: var(--border-accent);
        }
        .gap-2rem {
            gap: 2rem;
        }
        .mb-2rem {
            margin-bottom: 2rem;
        }
        .mt-2rem {
            margin-top: 2rem;
        }
        .fw-800 {
            font-weight: 800;
        }
        .fw-700 {
            font-weight: 700;
        }
        .op-7 {
            opacity: 0.7;
        }

        /* Fix Bootstrap override */
        .btn-check:focus+.btn,
        .btn:focus {
            box-shadow: none;
        }
        .form-control:focus {
            box-shadow: none;
        }
        .row {
            margin-left: -0.75rem;
            margin-right: -0.75rem;
        }
        .col,
        [class*="col-"] {
            padding-left: 0.75rem;
            padding-right: 0.75rem;
        }

        /* Scrollbar */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--primary-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--accent);
            border-radius: 6px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--accent-hover);
        }

        /* Selection */
        ::selection {
            background: var(--accent);
            color: var(--primary-dark);
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #ffd166;
            --accent-dark: #f4a261;
            --dark: #0b090a;
            --dark-surface: #161a1d;
            --dark-card: #1e252b;
            --dark-border: #2c353d;
            --text-light: #f1f1f1;
            --text-muted: #a8b2c1;
            --text-weak: #6c7a8a;
            --body-bg: #0b090a;
            --card-bg: #1e252b;
            --border-color: #2c353d;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 16px 48px rgba(230, 57, 70, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1320px;
            --section-spacing: 5rem;
            --section-spacing-sm: 3rem;
        }

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

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

        body {
            font-family: var(--font-primary);
            background: var(--body-bg);
            color: var(--text-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
            text-decoration: none;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

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

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

        /* ===== Container ===== */
        .container {
            max-width: var(--container-max);
            padding-left: 1.5rem;
            padding-right: 1.5rem;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Typography ===== */
        .section-title {
            font-size: 2.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 1rem;
            color: var(--text-light);
        }

        .section-subtitle {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 680px;
            margin: 0 auto 2.5rem auto;
            line-height: 1.8;
        }

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

        /* ===== Header & Nav ===== */
        .header-main {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            background: rgba(11, 9, 10, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(44, 53, 61, 0.5);
            transition: var(--transition);
        }

        .header-main .navbar {
            padding: 0.75rem 0;
        }

        .header-main .navbar-brand {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.02em;
            transition: var(--transition);
        }

        .header-main .navbar-brand i {
            color: var(--primary);
            font-size: 1.6rem;
        }

        .header-main .navbar-brand:hover {
            color: var(--primary-light);
            transform: scale(1.02);
        }

        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        .nav-item {
            position: relative;
        }

        .nav-link {
            padding: 0.5rem 1.1rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-muted);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            letter-spacing: 0.01em;
        }

        .nav-link:hover {
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link.active {
            color: var(--text-light);
            background: rgba(230, 57, 70, 0.15);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }

        .nav-cta-btn {
            background: var(--primary);
            color: #fff !important;
            padding: 0.5rem 1.5rem !important;
            border-radius: 50px;
            font-weight: 700;
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.35);
            transition: var(--transition);
        }

        .nav-cta-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(230, 57, 70, 0.45);
            color: #fff !important;
        }

        /* Nav search */
        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50px;
            padding: 0.35rem 1rem;
            border: 1px solid var(--dark-border);
            transition: var(--transition);
            min-width: 200px;
        }

        .nav-search:focus-within {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.1);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.15);
        }

        .nav-search i {
            color: var(--text-weak);
            font-size: 0.9rem;
            margin-right: 0.6rem;
        }

        .nav-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-light);
            font-size: 0.9rem;
            width: 100%;
            padding: 0.3rem 0;
        }

        .nav-search input::placeholder {
            color: var(--text-weak);
            font-size: 0.85rem;
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 8rem 0 4rem;
            background: url('/assets/images/backpic/back-1.png') no-repeat center center / cover;
            isolation: isolate;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(11, 9, 10, 0.4) 0%, rgba(11, 9, 10, 0.85) 80%);
            z-index: 1;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 200px;
            background: linear-gradient(to top, var(--body-bg), transparent);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            padding: 0 1.5rem;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(230, 57, 70, 0.2);
            border: 1px solid rgba(230, 57, 70, 0.3);
            padding: 0.4rem 1.2rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary-light);
            margin-bottom: 1.5rem;
            backdrop-filter: blur(6px);
        }

        .hero-badge i {
            font-size: 0.75rem;
        }

        .hero-title {
            font-size: 4rem;
            font-weight: 900;
            letter-spacing: -0.03em;
            line-height: 1.1;
            margin-bottom: 1.5rem;
            text-shadow: 0 4px 40px rgba(0, 0, 0, 0.5);
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 680px;
            margin: 0 auto 2.5rem;
            line-height: 1.8;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1rem;
        }

        .btn-hero-primary {
            background: var(--primary);
            color: #fff;
            padding: 0.85rem 2.8rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            box-shadow: 0 6px 30px rgba(230, 57, 70, 0.4);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            cursor: pointer;
        }

        .btn-hero-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(230, 57, 70, 0.5);
            color: #fff;
        }

        .btn-hero-secondary {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-light);
            padding: 0.85rem 2.8rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.05rem;
            border: 1px solid var(--dark-border);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            cursor: pointer;
            backdrop-filter: blur(6px);
        }

        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--primary-light);
            color: var(--text-light);
            transform: translateY(-3px);
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 3rem;
            margin-top: 3.5rem;
            flex-wrap: wrap;
        }

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

        .hero-stat-number {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--text-light);
            letter-spacing: -0.02em;
        }

        .hero-stat-number .plus {
            color: var(--primary-light);
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-weak);
            margin-top: 0.2rem;
            text-transform: uppercase;
            letter-spacing: 0.06em;
        }

        /* ===== Common Section ===== */
        .section-padding {
            padding: var(--section-spacing) 0;
        }

        .section-padding-sm {
            padding: var(--section-spacing-sm) 0;
        }

        .section-dark {
            background: var(--dark-surface);
        }

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

        /* ===== Features / 核心优势 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.8rem;
        }

        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--dark-border);
            border-radius: var(--radius-md);
            padding: 2.2rem 1.8rem;
            transition: var(--transition);
            text-align: center;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            border-color: rgba(230, 57, 70, 0.3);
            box-shadow: var(--shadow-hover);
        }

        .feature-icon {
            width: 68px;
            height: 68px;
            border-radius: 50%;
            background: rgba(230, 57, 70, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.2rem;
            font-size: 1.8rem;
            color: var(--primary-light);
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: rgba(230, 57, 70, 0.2);
            transform: scale(1.08);
        }

        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.65rem;
            color: var(--text-light);
        }

        .feature-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== Scenarios / 适用场景 ===== */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.8rem;
        }

        .scenario-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--dark-border);
            transition: var(--transition);
        }

        .scenario-card:hover {
            transform: translateY(-4px);
            border-color: rgba(230, 57, 70, 0.2);
            box-shadow: var(--shadow-hover);
        }

        .scenario-card .card-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .scenario-card .card-img-overlay-badge {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background: rgba(230, 57, 70, 0.85);
            padding: 0.25rem 1rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            color: #fff;
            backdrop-filter: blur(4px);
        }

        .scenario-card .card-body {
            padding: 1.5rem 1.5rem 1.8rem;
        }

        .scenario-card .card-body h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-light);
        }

        .scenario-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== Process / 流程步骤 ===== */
        .process-section {
            background: var(--dark-surface);
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 2rem;
            counter-reset: step-counter;
        }

        .process-step {
            text-align: center;
            position: relative;
            padding: 2rem 1.2rem;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--dark-border);
            transition: var(--transition);
        }

        .process-step:hover {
            border-color: rgba(230, 57, 70, 0.25);
            transform: translateY(-4px);
        }

        .process-step .step-number {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.2rem;
            font-size: 1.4rem;
            font-weight: 900;
            color: #fff;
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.3);
        }

        .process-step h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-light);
        }

        .process-step p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        .process-step .step-arrow {
            position: absolute;
            right: -1.2rem;
            top: 50%;
            transform: translateY(-50%);
            font-size: 1.4rem;
            color: var(--text-weak);
            display: none;
        }

        @media (min-width: 992px) {
            .process-step .step-arrow {
                display: block;
            }
            .process-step:last-child .step-arrow {
                display: none;
            }
        }

        /* ===== Popular Events / 热门赛事 ===== */
        .events-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.8rem;
        }

        .event-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--dark-border);
            padding: 1.8rem 1.5rem;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .event-card:hover {
            transform: translateY(-4px);
            border-color: rgba(230, 57, 70, 0.25);
            box-shadow: var(--shadow-hover);
        }

        .event-card .event-icon {
            font-size: 2.4rem;
            color: var(--primary-light);
            margin-bottom: 0.8rem;
        }

        .event-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
            color: var(--text-light);
        }

        .event-card .event-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 1rem;
            flex: 1;
        }

        .event-card .event-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            justify-content: center;
            margin-bottom: 1.2rem;
        }

        .event-card .event-tags span {
            background: rgba(255, 255, 255, 0.06);
            padding: 0.2rem 0.8rem;
            border-radius: 50px;
            font-size: 0.75rem;
            color: var(--text-weak);
            border: 1px solid var(--dark-border);
        }

        .event-card .btn-event {
            background: transparent;
            border: 1px solid var(--dark-border);
            color: var(--text-muted);
            padding: 0.4rem 1.8rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            transition: var(--transition);
            cursor: pointer;
        }

        .event-card .btn-event:hover {
            background: rgba(230, 57, 70, 0.15);
            border-color: var(--primary);
            color: var(--primary-light);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--dark-surface);
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

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

        .faq-item:hover {
            border-color: rgba(230, 57, 70, 0.2);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 1.5rem;
            background: transparent;
            border: none;
            color: var(--text-light);
            font-size: 1rem;
            font-weight: 600;
            text-align: left;
            cursor: pointer;
            transition: var(--transition);
            gap: 1rem;
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }

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

        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 1.5rem 1.2rem;
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: url('/assets/images/backpic/back-2.webp') no-repeat center center / cover;
            isolation: isolate;
            position: relative;
            padding: 5rem 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(11, 9, 10, 0.78);
            z-index: 1;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }

        .cta-content p {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 2rem;
            line-height: 1.8;
        }

        .cta-content .btn-cta {
            background: var(--primary);
            color: #fff;
            padding: 0.9rem 3rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            box-shadow: 0 6px 30px rgba(230, 57, 70, 0.4);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            cursor: pointer;
        }

        .cta-content .btn-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(230, 57, 70, 0.5);
            color: #fff;
        }

        .cta-content .btn-cta i {
            font-size: 0.9rem;
        }

        /* ===== Footer ===== */
        .footer-main {
            background: var(--dark-surface);
            border-top: 1px solid var(--dark-border);
            padding: 4rem 0 2rem;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 0.8rem;
        }

        .footer-brand i {
            color: var(--primary);
            font-size: 1.4rem;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: var(--text-weak);
            line-height: 1.8;
            max-width: 360px;
        }

        .footer-social {
            display: flex;
            gap: 0.8rem;
            margin-top: 1.2rem;
        }

        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-weak);
            font-size: 1rem;
            transition: var(--transition);
            border: 1px solid var(--dark-border);
        }

        .footer-social a:hover {
            background: rgba(230, 57, 70, 0.15);
            border-color: var(--primary);
            color: var(--primary-light);
            transform: translateY(-2px);
        }

        .footer-heading {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-links a {
            color: var(--text-weak);
            font-size: 0.88rem;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }

        .footer-bottom {
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--dark-border);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-size: 0.82rem;
            color: var(--text-weak);
        }

        .legal-links {
            display: flex;
            gap: 1.2rem;
            flex-wrap: wrap;
        }

        .legal-links a {
            color: var(--text-weak);
            font-size: 0.82rem;
            transition: var(--transition);
        }

        .legal-links a:hover {
            color: var(--primary-light);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199.98px) {
            .hero-title {
                font-size: 3.2rem;
            }
            .section-title {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 991.98px) {
            .hero-title {
                font-size: 2.8rem;
            }
            .hero-stats {
                gap: 2rem;
            }
            .hero-stat-number {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 2rem;
            }
            .navbar-nav {
                gap: 0;
            }
            .nav-search {
                min-width: 140px;
            }
            .process-steps {
                grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
                gap: 1.5rem;
            }
        }

        @media (max-width: 767.98px) {
            .header-main .navbar-brand {
                font-size: 1.1rem;
            }
            .header-main .navbar-brand i {
                font-size: 1.3rem;
            }
            .nav-search {
                min-width: 120px;
                padding: 0.25rem 0.8rem;
            }
            .nav-search input {
                font-size: 0.8rem;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 1.5rem;
            }
            .hero-stat-number {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-subtitle {
                font-size: 1rem;
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .scenarios-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .events-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .cta-content h2 {
                font-size: 1.8rem;
            }
            .footer-main .row>div {
                margin-bottom: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 575.98px) {
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.92rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                width: 100%;
                max-width: 300px;
                justify-content: center;
            }
            .hero-stats {
                flex-direction: column;
                gap: 1rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .scenarios-grid {
                grid-template-columns: 1fr;
            }
            .events-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cta-content h2 {
                font-size: 1.5rem;
            }
            .cta-content .btn-cta {
                width: 100%;
                max-width: 300px;
                justify-content: center;
            }
            .footer-main {
                padding: 2.5rem 0 1.5rem;
            }
            .nav-search {
                min-width: 100px;
            }
            .nav-search input {
                font-size: 0.75rem;
            }
        }

        /* ===== Bootstrap Overrides ===== */
        .btn:focus,
        .btn:active:focus {
            box-shadow: 0 0 0 0.25rem rgba(230, 57, 70, 0.25);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 0.2rem rgba(230, 57, 70, 0.15);
        }

        /* Scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--dark-border);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-weak);
        }

        /* Selection */
        ::selection {
            background: rgba(230, 57, 70, 0.3);
            color: var(--text-light);
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #d4a84b;
            --primary-dark: #b8922e;
            --primary-light: #e8c76a;
            --primary-gradient: linear-gradient(135deg, #d4a84b 0%, #f0c040 100%);
            --bg-dark: #0a0e1a;
            --bg-dark-2: #111624;
            --bg-card: #151b2e;
            --bg-card-hover: #1c2340;
            --bg-section-alt: #0d1120;
            --text-light: #f0f0f0;
            --text-body: #c8ccd4;
            --text-muted: #7a7f8e;
            --text-dark: #1a1f2e;
            --border-color: #2a3040;
            --border-light: #3a4055;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 30px rgba(212, 168, 75, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

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

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

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

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

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

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

        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-light);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.01em;
        }

        p {
            margin-bottom: 1rem;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--max-width);
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Header / Nav ===== */
        .header-main {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(10, 14, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(42, 48, 64, 0.5);
            height: var(--header-height);
            transition: var(--transition);
        }

        .header-main .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-light);
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .header-logo i {
            color: var(--primary);
            font-size: 1.6rem;
        }
        .header-logo:hover {
            color: var(--primary);
        }
        .header-logo:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 4px;
            border-radius: 6px;
        }

        .navbar-wrapper {
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-item {
            position: relative;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            color: var(--text-muted);
            font-size: 0.92rem;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            letter-spacing: 0.2px;
            background: transparent;
            border: none;
            cursor: pointer;
        }
        .nav-link:hover {
            color: var(--text-light);
            background: rgba(212, 168, 75, 0.08);
        }
        .nav-link.active {
            color: var(--primary);
            background: rgba(212, 168, 75, 0.12);
        }
        .nav-link:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .nav-link.nav-cta-btn {
            background: var(--primary-gradient);
            color: var(--text-dark);
            font-weight: 700;
            padding: 8px 24px;
            border-radius: var(--radius);
            box-shadow: 0 4px 16px rgba(212, 168, 75, 0.25);
            transition: var(--transition);
        }
        .nav-link.nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(212, 168, 75, 0.35);
            color: var(--text-dark);
            background: linear-gradient(135deg, #e0b850 0%, #f5d060 100%);
        }
        .nav-link.nav-cta-btn:active {
            transform: translateY(0);
        }

        /* Mobile toggle */
        .navbar-toggler {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .navbar-toggler:hover {
            background: rgba(212, 168, 75, 0.1);
        }
        .navbar-toggler:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* Search box in nav */
        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 4px 16px 4px 12px;
            transition: var(--transition);
            width: 200px;
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            background: rgba(212, 168, 75, 0.06);
            box-shadow: 0 0 0 3px rgba(212, 168, 75, 0.1);
        }
        .nav-search i {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-right: 8px;
        }
        .nav-search input {
            background: transparent;
            border: none;
            color: var(--text-light);
            padding: 8px 0;
            font-size: 0.85rem;
            width: 100%;
            outline: none;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* ===== Hero / Article Banner ===== */
        .article-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: flex-end;
            padding-top: calc(var(--header-height) + 40px);
            padding-bottom: 60px;
            background: var(--bg-dark-2);
            overflow: hidden;
        }
        .article-hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            z-index: 0;
        }
        .article-hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, var(--bg-dark) 0%, transparent 60%, rgba(10, 14, 26, 0.6) 100%);
            z-index: 1;
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
        }

        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .article-breadcrumb a {
            color: var(--text-muted);
            transition: var(--transition);
        }
        .article-breadcrumb a:hover {
            color: var(--primary);
        }
        .article-breadcrumb .sep {
            color: var(--text-muted);
            opacity: 0.4;
        }
        .article-breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }

        .article-hero-title {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text-light);
            line-height: 1.2;
            max-width: 840px;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .article-meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta-item i {
            color: var(--primary);
            font-size: 0.85rem;
        }
        .article-meta-item .category-badge {
            display: inline-block;
            background: rgba(212, 168, 75, 0.15);
            color: var(--primary);
            padding: 2px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        /* ===== Article Content ===== */
        .article-main {
            padding: 50px 0 80px;
        }

        .article-body {
            max-width: 820px;
            margin: 0 auto;
        }

        .article-content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-body);
        }
        .article-content h2,
        .article-content h3,
        .article-content h4 {
            color: var(--text-light);
            margin-top: 2rem;
            margin-bottom: 1rem;
        }
        .article-content h2 {
            font-size: 1.8rem;
        }
        .article-content h3 {
            font-size: 1.4rem;
        }
        .article-content p {
            margin-bottom: 1.25rem;
        }
        .article-content img {
            border-radius: var(--radius);
            margin: 1.5rem 0;
            box-shadow: var(--shadow);
        }
        .article-content ul,
        .article-content ol {
            margin-bottom: 1.25rem;
            padding-left: 1.5rem;
        }
        .article-content li {
            margin-bottom: 0.5rem;
        }
        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-content a:hover {
            color: var(--primary-light);
        }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 1.5rem 0;
            background: rgba(212, 168, 75, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light);
            font-style: italic;
        }
        .article-content code {
            background: rgba(255, 255, 255, 0.06);
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--primary-light);
        }
        .article-content pre {
            background: var(--bg-card);
            padding: 20px;
            border-radius: var(--radius);
            overflow-x: auto;
            border: 1px solid var(--border-color);
            margin: 1.5rem 0;
        }

        .article-not-found {
            text-align: center;
            padding: 80px 20px;
        }
        .article-not-found h2 {
            font-size: 2rem;
            margin-bottom: 16px;
        }
        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .article-not-found .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-gradient);
            color: var(--text-dark);
            font-weight: 700;
            padding: 12px 32px;
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .article-not-found .btn-back:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(212, 168, 75, 0.3);
            color: var(--text-dark);
        }

        /* Article Tags & Share */
        .article-extra {
            margin-top: 40px;
            padding-top: 30px;
            border-top: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }
        .article-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .article-tags .tag-label {
            color: var(--text-muted);
            font-size: 0.85rem;
            font-weight: 500;
        }
        .article-tags .tag-item {
            display: inline-block;
            background: rgba(212, 168, 75, 0.1);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .article-tags .tag-item:hover {
            background: rgba(212, 168, 75, 0.2);
            color: var(--primary-light);
        }

        .article-share {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .article-share .share-label {
            color: var(--text-muted);
            font-size: 0.85rem;
            font-weight: 500;
            margin-right: 4px;
        }
        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-muted);
            font-size: 0.95rem;
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }
        .article-share a:hover {
            background: var(--primary);
            color: var(--text-dark);
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== Related Articles ===== */
        .section-related {
            padding: 60px 0 80px;
            background: var(--bg-section-alt);
        }
        .section-related .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 8px;
        }
        .section-related .section-sub {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 40px;
        }

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

        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
        }
        .related-card:hover {
            transform: translateY(-6px);
            border-color: var(--primary);
            box-shadow: var(--shadow-glow);
            background: var(--bg-card-hover);
        }
        .related-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: var(--transition);
        }
        .related-card:hover .related-card-img {
            transform: scale(1.03);
        }
        .related-card-body {
            padding: 20px 24px 24px;
        }
        .related-card-body h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-card-body h3 a {
            color: inherit;
            transition: var(--transition);
        }
        .related-card-body h3 a:hover {
            color: var(--primary);
        }
        .related-card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 12px;
            line-height: 1.6;
        }
        .related-card-body .meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .related-card-body .meta i {
            color: var(--primary);
            font-size: 0.75rem;
            margin-right: 4px;
        }

        /* ===== CTA Section ===== */
        .section-cta {
            padding: 70px 0;
            background: var(--bg-dark-2);
            position: relative;
            overflow: hidden;
        }
        .section-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            opacity: 0.1;
            z-index: 0;
        }
        .section-cta .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .section-cta h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 12px;
        }
        .section-cta p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto 32px;
        }
        .section-cta .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--primary-gradient);
            color: var(--text-dark);
            font-weight: 700;
            font-size: 1.05rem;
            padding: 14px 40px;
            border-radius: var(--radius);
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(212, 168, 75, 0.25);
            border: none;
            cursor: pointer;
        }
        .section-cta .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 36px rgba(212, 168, 75, 0.35);
            color: var(--text-dark);
        }
        .section-cta .cta-btn:active {
            transform: translateY(0);
        }

        /* ===== Footer ===== */
        .footer-main {
            background: var(--bg-dark-2);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 16px;
        }
        .footer-brand i {
            color: var(--primary);
            font-size: 1.5rem;
        }
        .footer-desc {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-muted);
            font-size: 1.1rem;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: var(--text-dark);
            border-color: var(--primary);
            transform: translateY(-3px);
        }
        .footer-heading {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-links a i {
            width: 18px;
            color: var(--primary);
        }
        .footer-bottom {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-bottom .legal-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-bottom .legal-links a {
            color: var(--text-muted);
            transition: var(--transition);
            font-size: 0.85rem;
        }
        .footer-bottom .legal-links a:hover {
            color: var(--primary);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-hero-title {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .navbar-toggler {
                display: block;
            }
            .navbar-wrapper {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(10, 14, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px;
                gap: 16px;
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                border-bottom: 1px solid var(--border-color);
                max-height: calc(100vh - var(--header-height));
                overflow-y: auto;
                align-items: stretch;
            }
            .navbar-wrapper.open {
                transform: translateY(0);
                opacity: 1;
            }
            .navbar-nav {
                flex-direction: column;
                width: 100%;
                gap: 4px;
            }
            .nav-link {
                width: 100%;
                justify-content: center;
                padding: 12px 18px;
            }
            .nav-search {
                width: 100%;
            }

            .article-hero {
                min-height: 320px;
                padding-top: calc(var(--header-height) + 24px);
                padding-bottom: 40px;
            }
            .article-hero-title {
                font-size: 1.7rem;
            }
            .article-meta {
                gap: 12px;
                font-size: 0.82rem;
            }
            .article-main {
                padding: 30px 0 50px;
            }
            .article-body {
                padding: 0 4px;
            }
            .article-content {
                font-size: 0.98rem;
            }
            .article-extra {
                flex-direction: column;
                align-items: flex-start;
            }

            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section-related {
                padding: 40px 0 50px;
            }
            .section-related .section-title {
                font-size: 1.4rem;
            }

            .section-cta {
                padding: 50px 0;
            }
            .section-cta h2 {
                font-size: 1.5rem;
            }
            .section-cta .cta-btn {
                width: 100%;
                justify-content: center;
            }

            .footer-main {
                padding: 40px 0 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom .legal-links {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            :root {
                --header-height: 64px;
            }
            .header-logo {
                font-size: 1.1rem;
            }
            .header-logo i {
                font-size: 1.3rem;
            }
            .article-hero-title {
                font-size: 1.4rem;
            }
            .article-meta {
                font-size: 0.78rem;
                gap: 8px;
            }
            .article-content {
                font-size: 0.92rem;
            }
            .article-content h2 {
                font-size: 1.4rem;
            }
            .article-content h3 {
                font-size: 1.2rem;
            }
            .related-card-img {
                height: 160px;
            }
            .related-card-body {
                padding: 16px 18px 20px;
            }
            .related-card-body h3 {
                font-size: 1rem;
            }
            .section-cta h2 {
                font-size: 1.3rem;
            }
            .section-cta p {
                font-size: 0.92rem;
            }
        }

        /* ===== Utility ===== */
        .text-primary {
            color: var(--primary) !important;
        }
        .bg-primary-soft {
            background: rgba(212, 168, 75, 0.1);
        }
        .mb-0 {
            margin-bottom: 0 !important;
        }
        .mt-0 {
            margin-top: 0 !important;
        }

        /* Scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-muted);
        }

        /* Selection */
        ::selection {
            background: rgba(212, 168, 75, 0.3);
            color: var(--text-light);
        }