/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #e50914;
            --primary-dark: #b2070f;
            --primary-light: #ff4d4d;
            --secondary: #1a1a2e;
            --secondary-light: #2d2d44;
            --accent: #f5c518;
            --accent-dark: #d4a800;
            --bg-body: #0f0f1a;
            --bg-card: #1a1a2e;
            --bg-card-hover: #222240;
            --bg-section: #14142a;
            --bg-footer: #0a0a14;
            --text-primary: #ffffff;
            --text-secondary: #c0c0d0;
            --text-muted: #7a7a9a;
            --text-dark: #1a1a2e;
            --border-color: #2a2a4a;
            --border-light: #3a3a5a;
            --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 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(229, 9, 20, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-body: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
            --topbar-height: 40px;
        }

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

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

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

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

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            transition: var(--transition);
        }
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        ul,
        ol {
            list-style: none;
        }

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

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

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

        /* ===== Top Bar ===== */
        .topbar {
            background: var(--secondary);
            height: var(--topbar-height);
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .topbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .topbar-left {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .topbar-left i {
            color: var(--primary-light);
            font-size: 0.75rem;
        }
        .topbar-left span {
            color: var(--text-secondary);
        }
        .topbar-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .topbar-right a {
            color: var(--text-muted);
            font-size: 0.8rem;
            transition: var(--transition);
        }
        .topbar-right a:hover {
            color: var(--accent);
        }
        .topbar-right .domain-tag {
            background: var(--primary);
            color: #fff;
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        @media screen and (max-width: 640px) {
            .topbar-left span {
                display: none;
            }
            .topbar-right .domain-tag {
                font-size: 0.65rem;
                padding: 2px 8px;
            }
        }

        /* ===== Header / Nav ===== */
        .header {
            background: var(--bg-body);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(12px);
            background: rgba(15, 15, 26, 0.92);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }
        .site-logo i {
            color: var(--primary);
            font-size: 1.8rem;
        }
        .site-logo .logo-text {
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-logo .logo-sub {
            font-size: 0.7rem;
            font-weight: 400;
            color: var(--text-muted);
            -webkit-text-fill-color: var(--text-muted);
            background: none;
            margin-left: 4px;
        }
        .site-logo:hover {
            opacity: 0.9;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav a {
            color: var(--text-secondary);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(229, 9, 20, 0.08);
        }
        .main-nav a.active {
            color: var(--text-primary);
            background: var(--primary);
            box-shadow: 0 4px 16px rgba(229, 9, 20, 0.3);
        }
        .main-nav a.active::after {
            display: none;
        }
        .main-nav .nav-cta {
            background: var(--primary);
            color: #fff;
            padding: 8px 22px;
            border-radius: var(--radius-xl);
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(229, 9, 20, 0.25);
        }
        .main-nav .nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(229, 9, 20, 0.35);
        }

        .nav-toggle {
            display: none;
            background: none;
            color: var(--text-primary);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.05);
        }

        @media screen and (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: calc(var(--header-height) + var(--topbar-height));
                left: 0;
                right: 0;
                background: var(--bg-body);
                flex-direction: column;
                padding: 16px 24px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                gap: 4px;
                backdrop-filter: blur(16px);
                background: rgba(15, 15, 26, 0.98);
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .main-nav a {
                width: 100%;
                text-align: center;
                padding: 12px 18px;
                font-size: 1rem;
            }
            .main-nav .nav-cta {
                margin-top: 8px;
            }
        }

        @media screen and (max-width: 520px) {
            .site-logo {
                font-size: 1.2rem;
            }
            .site-logo .logo-sub {
                display: none;
            }
            .header .container {
                height: 60px;
            }
            :root {
                --header-height: 60px;
            }
            .main-nav {
                top: calc(60px + var(--topbar-height));
            }
        }

        /* ===== Hero Section ===== */
        .hero {
            padding: 80px 0 60px;
            background: linear-gradient(160deg, var(--bg-body) 0%, var(--bg-section) 50%, var(--secondary) 100%);
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(229, 9, 20, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 197, 24, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #ffffff 30%, var(--primary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-content .hero-sub {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 540px;
            line-height: 1.8;
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 32px;
        }
        .hero-badges .badge {
            background: rgba(229, 9, 20, 0.12);
            color: var(--primary-light);
            padding: 6px 16px;
            border-radius: var(--radius-xl);
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid rgba(229, 9, 20, 0.2);
        }
        .hero-badges .badge i {
            margin-right: 6px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--primary);
            color: #fff;
            padding: 14px 36px;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 8px 28px rgba(229, 9, 20, 0.35);
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(229, 9, 20, 0.45);
            color: #fff;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            color: var(--text-primary);
            padding: 14px 36px;
            border-radius: var(--radius-xl);
            font-weight: 600;
            font-size: 1.05rem;
            border: 2px solid var(--border-light);
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-secondary:hover {
            border-color: var(--primary-light);
            color: var(--primary-light);
            transform: translateY(-2px);
        }
        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }
        .hero-visual .hero-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-lg);
            width: 100%;
            max-width: 480px;
            backdrop-filter: blur(8px);
        }
        .hero-visual .hero-card .card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border-color);
        }
        .hero-visual .hero-card .card-header h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-primary);
        }
        .hero-visual .hero-card .card-header .live-dot {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--primary-light);
            font-size: 0.85rem;
            font-weight: 500;
        }
        .hero-visual .hero-card .card-header .live-dot::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.3);
            }
        }
        .hero-visual .hero-card .match-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .hero-visual .hero-card .match-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 14px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .hero-visual .hero-card .match-item:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .hero-visual .hero-card .match-item .teams {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            font-weight: 500;
        }
        .hero-visual .hero-card .match-item .teams .vs {
            color: var(--text-muted);
            font-size: 0.75rem;
        }
        .hero-visual .hero-card .match-item .score {
            font-weight: 700;
            color: var(--accent);
            font-size: 1.05rem;
        }
        .hero-visual .hero-card .match-item .status {
            font-size: 0.75rem;
            color: var(--text-muted);
            padding: 2px 10px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.05);
        }

        @media screen and (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 40px;
                text-align: center;
            }
            .hero-content .hero-sub {
                max-width: 100%;
            }
            .hero-content h1 {
                font-size: 2.6rem;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-badges {
                justify-content: center;
            }
            .hero-visual .hero-card {
                max-width: 100%;
            }
        }

        @media screen and (max-width: 640px) {
            .hero {
                padding: 48px 0 40px;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-content .hero-sub {
                font-size: 1rem;
            }
            .btn-primary,
            .btn-secondary {
                padding: 12px 24px;
                font-size: 0.95rem;
            }
            .hero-visual .hero-card {
                padding: 20px;
            }
            .hero-visual .hero-card .match-item .teams {
                font-size: 0.8rem;
            }
        }

        /* ===== Section Shared ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-section);
        }
        .section-dark {
            background: var(--secondary);
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            text-align: center;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
            line-height: 1.7;
        }
        .section-title .highlight {
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        @media screen and (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }
        }

        @media screen and (max-width: 520px) {
            .section-title {
                font-size: 1.5rem;
            }
        }

        /* ===== Features / Core ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            text-align: center;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-md), var(--shadow-glow);
            background: var(--bg-card-hover);
        }
        .feature-card .icon-wrap {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: rgba(229, 9, 20, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.6rem;
            color: var(--primary-light);
            transition: var(--transition);
        }
        .feature-card:hover .icon-wrap {
            background: var(--primary);
            color: #fff;
        }
        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .feature-card p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.6;
        }

        @media screen and (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media screen and (max-width: 640px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
            .feature-card {
                padding: 24px 18px;
            }
        }

        /* ===== Categories / Nav Cards ===== */
        .categories-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .category-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            border: 1px solid var(--border-color);
            text-align: center;
            transition: var(--transition);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }
        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
            transform: scaleX(0);
            transition: var(--transition);
        }
        .category-card:hover::before {
            transform: scaleX(1);
        }
        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-light);
            background: var(--bg-card-hover);
        }
        .category-card .cat-icon {
            font-size: 2.2rem;
            color: var(--primary-light);
            margin-bottom: 14px;
        }
        .category-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .category-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .category-card .cat-tag {
            display: inline-block;
            margin-top: 12px;
            font-size: 0.75rem;
            color: var(--primary-light);
            background: rgba(229, 9, 20, 0.08);
            padding: 4px 14px;
            border-radius: 20px;
            font-weight: 500;
        }

        @media screen and (max-width: 1024px) {
            .categories-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media screen and (max-width: 520px) {
            .categories-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Latest Posts (CMS) ===== */
        .posts-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .post-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .post-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-light);
        }
        .post-card .post-img {
            height: 200px;
            background: var(--secondary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 2rem;
            position: relative;
            overflow: hidden;
        }
        .post-card .post-img .img-placeholder {
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .post-card .post-img .img-placeholder i {
            opacity: 0.3;
        }
        .post-card .post-body {
            padding: 20px 24px 24px;
        }
        .post-card .post-body .post-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .post-card .post-body .post-meta .post-cat {
            background: rgba(229, 9, 20, 0.1);
            color: var(--primary-light);
            padding: 2px 12px;
            border-radius: 12px;
            font-weight: 500;
        }
        .post-card .post-body .post-meta .post-date {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .post-card .post-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .post-card .post-body h3 a {
            color: var(--text-primary);
        }
        .post-card .post-body h3 a:hover {
            color: var(--primary-light);
        }
        .post-card .post-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }
        .post-card .post-body .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 14px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary-light);
        }
        .post-card .post-body .read-more:hover {
            color: var(--accent);
            gap: 10px;
        }
        .posts-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
            font-size: 1.05rem;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-color);
        }
        .posts-empty i {
            font-size: 2.4rem;
            display: block;
            margin-bottom: 16px;
            color: var(--border-light);
        }

        @media screen and (max-width: 768px) {
            .posts-grid {
                grid-template-columns: 1fr;
            }
            .post-card .post-body {
                padding: 16px 18px 20px;
            }
        }

        /* ===== Stats / Data ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 32px 16px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-2px);
            border-color: var(--primary);
        }
        .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .stat-item .stat-label {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-top: 8px;
        }

        @media screen and (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media screen and (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stat-item .stat-number {
                font-size: 2rem;
            }
        }

        /* ===== Process / Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            counter-reset: step;
        }
        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            border: 1px solid var(--border-color);
            text-align: center;
            position: relative;
            transition: var(--transition);
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .step-card .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 800;
            margin: 0 auto 16px;
            box-shadow: 0 4px 16px rgba(229, 9, 20, 0.3);
        }
        .step-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .step-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        @media screen and (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media screen and (max-width: 640px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-item .faq-question {
            padding: 18px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            transition: var(--transition);
            background: none;
            width: 100%;
            text-align: left;
        }
        .faq-item .faq-question:hover {
            color: var(--primary-light);
        }
        .faq-item .faq-question i {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--primary-light);
        }
        .faq-item .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }

        @media screen and (max-width: 640px) {
            .faq-item .faq-question {
                padding: 14px 18px;
                font-size: 0.92rem;
            }
            .faq-item .faq-answer {
                padding: 0 18px 14px;
                font-size: 0.85rem;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
            position: relative;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            color: var(--primary);
            padding: 16px 44px;
            border-radius: var(--radius-xl);
            font-weight: 800;
            font-size: 1.1rem;
            transition: var(--transition);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
            position: relative;
        }
        .cta-section .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
            color: var(--primary-dark);
        }

        @media screen and (max-width: 768px) {
            .cta-section {
                padding: 40px 24px;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .cta-section .btn-cta {
                padding: 14px 28px;
                font-size: 1rem;
            }
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-footer);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
        }
        .footer-brand .site-logo {
            font-size: 1.4rem;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 20px;
        }

        @media screen and (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media screen and (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom .footer-links {
                justify-content: center;
            }
        }

        /* ===== Miscellaneous ===== */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-32 {
            margin-bottom: 32px;
        }
        .gap-8 {
            gap: 8px;
        }
        .gap-16 {
            gap: 16px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }

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

        /* Selection */
        ::selection {
            background: var(--primary);
            color: #fff;
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --primary-dark: #0f2440;
            --accent: #e8a838;
            --accent-light: #f0c060;
            --accent-dark: #c88a20;
            --bg-body: #f5f7fa;
            --bg-card: #ffffff;
            --bg-dark: #0f1a2e;
            --bg-section-alt: #eef2f7;
            --text-primary: #1a2a3a;
            --text-secondary: #4a5a6a;
            --text-light: #8a9aaa;
            --text-white: #f0f4f8;
            --border-color: #dce3ed;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.10);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.14);
            --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;
            --container-max: 1200px;
            --header-height: 72px;
        }

        /* ===== 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-body);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        ul, ol { list-style: none; padding: 0; margin: 0; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 600; color: var(--text-primary); }
        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
        .section { padding: 60px 0; }
        .section-title { font-size: 2rem; font-weight: 700; margin-bottom: 12px; text-align: center; }
        .section-sub { font-size: 1.05rem; color: var(--text-secondary); text-align: center; max-width: 680px; margin: 0 auto 40px; }

        /* ===== Header & Navigation ===== */
        .header {
            background: var(--bg-card);
            box-shadow: 0 2px 16px rgba(0,0,0,0.06);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--border-color);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 700;
            transition: var(--transition);
        }
        .site-logo:hover { color: var(--accent); }
        .site-logo i { font-size: 1.6rem; color: var(--accent); }
        .logo-text { font-size: 1.35rem; letter-spacing: -0.5px; }
        .logo-sub { font-size: 0.8rem; color: var(--text-light); font-weight: 400; margin-left: 2px; }
        .nav-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--primary); cursor: pointer; padding: 4px 8px; border-radius: var(--radius-sm); }
        .nav-toggle:hover { background: var(--bg-section-alt); }
        .main-nav { display: flex; align-items: center; gap: 8px; }
        .main-nav a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover { background: var(--bg-section-alt); color: var(--primary); }
        .main-nav a.active { background: var(--primary); color: #fff; }
        .main-nav a.nav-cta {
            background: var(--accent);
            color: #1a1a2e;
            font-weight: 600;
            padding: 8px 22px;
            border-radius: var(--radius-md);
        }
        .main-nav a.nav-cta:hover { background: var(--accent-light); transform: translateY(-1px); box-shadow: var(--shadow-sm); }

        /* ===== Article Hero ===== */
        .article-hero {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            padding: 48px 0 40px;
            color: var(--text-white);
            position: relative;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
            pointer-events: none;
        }
        .article-hero .container { position: relative; z-index: 1; }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: 16px;
        }
        .article-breadcrumb a { color: rgba(255,255,255,0.8); }
        .article-breadcrumb a:hover { color: var(--accent); }
        .article-breadcrumb span { color: rgba(255,255,255,0.5); }
        .article-hero h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            max-width: 900px;
            margin-bottom: 16px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px 24px;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.75);
        }
        .article-meta .badge {
            background: var(--accent);
            color: #1a1a2e;
            padding: 3px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .article-meta i { margin-right: 6px; opacity: 0.8; }

        /* ===== Article Main ===== */
        .article-main { padding: 48px 0 60px; }
        .article-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }
        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .article-body .featured-image {
            width: 100%;
            border-radius: var(--radius-md);
            margin-bottom: 28px;
            object-fit: cover;
            max-height: 420px;
        }
        .article-body .content {
            font-size: 1.05rem;
            color: var(--text-primary);
            line-height: 1.85;
        }
        .article-body .content p { margin-bottom: 1.2em; }
        .article-body .content h2, 
        .article-body .content h3 { margin-top: 1.6em; margin-bottom: 0.6em; font-weight: 700; color: var(--primary); }
        .article-body .content h2 { font-size: 1.5rem; }
        .article-body .content h3 { font-size: 1.25rem; }
        .article-body .content ul, 
        .article-body .content ol { margin: 1em 0; padding-left: 1.6em; list-style: disc; }
        .article-body .content li { margin-bottom: 0.4em; }
        .article-body .content a { color: var(--accent-dark); text-decoration: underline; }
        .article-body .content blockquote {
            border-left: 4px solid var(--accent);
            background: var(--bg-section-alt);
            padding: 16px 24px;
            margin: 1.4em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body .content img { border-radius: var(--radius-md); margin: 1.2em 0; }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i { color: var(--accent); }
        .sidebar-list li { margin-bottom: 12px; }
        .sidebar-list a {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.4;
        }
        .sidebar-list a:hover { color: var(--primary); }
        .sidebar-list a i { margin-top: 3px; color: var(--accent); font-size: 0.75rem; }
        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-tags a {
            background: var(--bg-section-alt);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.82rem;
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .sidebar-tags a:hover { background: var(--accent); color: #1a1a2e; border-color: var(--accent); }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            padding: 28px 24px;
            text-align: center;
            border-radius: var(--radius-md);
        }
        .sidebar-cta h4 { color: #fff; font-size: 1.1rem; margin-bottom: 8px; }
        .sidebar-cta p { color: rgba(255,255,255,0.8); font-size: 0.9rem; margin-bottom: 16px; }
        .btn-cta-sidebar {
            display: inline-block;
            background: var(--accent);
            color: #1a1a2e;
            font-weight: 600;
            padding: 10px 28px;
            border-radius: var(--radius-md);
            transition: var(--transition);
        }
        .btn-cta-sidebar:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: var(--shadow-md); color: #1a1a2e; }

        /* ===== Article Nav ===== */
        .article-nav {
            display: flex;
            justify-content: space-between;
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid var(--border-color);
        }
        .article-nav a {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            max-width: 45%;
        }
        .article-nav a:hover { color: var(--primary); }
        .article-nav a i { font-size: 0.85rem; }

        /* ===== Related Section ===== */
        .related-section { background: var(--bg-section-alt); padding: 48px 0; }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .related-card img { width: 100%; height: 180px; object-fit: cover; }
        .related-card-body { padding: 18px 20px 20px; }
        .related-card-body h4 { font-size: 1rem; font-weight: 600; margin-bottom: 6px; }
        .related-card-body h4 a { color: var(--text-primary); }
        .related-card-body h4 a:hover { color: var(--accent); }
        .related-card-body .meta { font-size: 0.82rem; color: var(--text-light); }

        /* ===== Not Found ===== */
        .not-found-wrap {
            text-align: center;
            padding: 80px 20px;
        }
        .not-found-wrap i { font-size: 4rem; color: var(--text-light); margin-bottom: 20px; }
        .not-found-wrap h2 { font-size: 1.8rem; margin-bottom: 12px; }
        .not-found-wrap p { color: var(--text-secondary); margin-bottom: 24px; }
        .btn-back { display: inline-block; background: var(--primary); color: #fff; padding: 12px 32px; border-radius: var(--radius-md); font-weight: 600; transition: var(--transition); }
        .btn-back:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow-md); color: #fff; }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 56px 0 0;
        }
        .footer .container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .site-logo { color: #fff; margin-bottom: 12px; }
        .footer-brand .site-logo:hover { color: var(--accent); }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; color: rgba(255,255,255,0.6); max-width: 360px; }
        .footer-col h4 { color: #fff; font-size: 1rem; font-weight: 600; margin-bottom: 16px; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a { color: rgba(255,255,255,0.6); font-size: 0.9rem; transition: var(--transition); }
        .footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
        .footer-col ul li a i { margin-right: 6px; width: 18px; text-align: center; }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-links { display: flex; gap: 20px; }
        .footer-links a { color: rgba(255,255,255,0.4); font-size: 0.85rem; }
        .footer-links a:hover { color: var(--accent); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-grid { grid-template-columns: 1fr; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .nav-toggle { display: block; }
            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--bg-card);
                flex-direction: column;
                padding: 16px 24px 24px;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--border-color);
                gap: 6px;
            }
            .main-nav.open { display: flex; }
            .main-nav a { width: 100%; padding: 12px 16px; }
            .article-hero h1 { font-size: 1.6rem; }
            .article-body { padding: 24px 20px; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .footer-links { justify-content: center; }
            .section { padding: 40px 0; }
            .section-title { font-size: 1.5rem; }
        }
        @media (max-width: 520px) {
            .article-hero h1 { font-size: 1.35rem; }
            .article-meta { flex-direction: column; align-items: flex-start; gap: 8px; }
            .article-nav { flex-direction: column; gap: 12px; }
            .article-nav a { max-width: 100%; }
            .sidebar-card { padding: 18px; }
        }

        /* ===== Utility ===== */
        .text-center { text-align: center; }
        .mt-2 { margin-top: 20px; }
        .mb-2 { margin-bottom: 20px; }
        .gap-1 { gap: 12px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #E63946;
            --primary-dark: #B71C1C;
            --primary-light: #FF6B6B;
            --secondary: #1D3557;
            --secondary-light: #457B9D;
            --accent: #F4A261;
            --accent-glow: rgba(244, 162, 97, 0.3);
            --bg-dark: #0D1B2A;
            --bg-mid: #1B2D45;
            --bg-light: #F8F9FA;
            --bg-card: #FFFFFF;
            --text-white: #FFFFFF;
            --text-light: #E8EDF2;
            --text-muted: #8A9BAE;
            --text-body: #2C3E50;
            --text-heading: #0D1B2A;
            --border-light: rgba(255, 255, 255, 0.12);
            --border-card: #E5E9F0;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.15);
            --shadow-glow: 0 0 30px rgba(230, 57, 70, 0.2);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
            min-height: 100vh;
            padding-top: var(--header-height);
        }

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

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

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

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

        .section-padding {
            padding: 80px 0;
        }
        .section-padding-sm {
            padding: 48px 0;
        }

        .text-center {
            text-align: center;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-heading);
            margin-bottom: 12px;
            line-height: 1.25;
            letter-spacing: -0.02em;
        }
        .section-sub {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 680px;
            margin: 0 auto 40px;
            line-height: 1.6;
        }

        .badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .badge-secondary {
            background: var(--secondary);
        }
        .badge-accent {
            background: var(--accent);
            color: #1a1a2e;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.4;
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.3);
        }
        .btn:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(230, 57, 70, 0.4);
        }
        .btn:active {
            transform: translateY(0);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            box-shadow: none;
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.25);
        }
        .btn-secondary {
            background: var(--secondary);
            box-shadow: 0 4px 14px rgba(29, 53, 87, 0.3);
        }
        .btn-secondary:hover {
            background: #15263f;
            box-shadow: 0 8px 25px rgba(29, 53, 87, 0.4);
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 0.85rem;
        }
        .btn-lg {
            padding: 16px 40px;
            font-size: 1.1rem;
        }

        .tag {
            display: inline-block;
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 500;
            padding: 4px 14px;
            border-radius: 50px;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .tag-light {
            background: rgba(255, 255, 255, 0.12);
            color: var(--text-light);
        }
        .tag-light:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ===== Header & Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-height);
            background: rgba(13, 27, 42, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            z-index: 1000;
            transition: var(--transition);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--text-white);
            font-weight: 700;
            flex-shrink: 0;
        }
        .site-logo i {
            font-size: 1.8rem;
            color: var(--primary);
            filter: drop-shadow(0 0 12px rgba(230, 57, 70, 0.4));
        }
        .site-logo .logo-text {
            font-size: 1.35rem;
            letter-spacing: -0.01em;
        }
        .site-logo .logo-sub {
            font-size: 0.75rem;
            color: var(--text-muted);
            font-weight: 400;
            margin-left: 2px;
            letter-spacing: 0.03em;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a {
            color: var(--text-light);
            text-decoration: none;
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a i {
            font-size: 0.85rem;
            opacity: 0.7;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .main-nav a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.35);
        }
        .main-nav a.active i {
            opacity: 1;
        }
        .main-nav .nav-cta {
            background: var(--primary);
            color: #fff !important;
            padding: 8px 22px;
            border-radius: 50px;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
        }
        .main-nav .nav-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 24px rgba(230, 57, 70, 0.45);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-toggle:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* ===== Hero ===== */
        .hero-category {
            background: linear-gradient(135deg, #0D1B2A 0%, #1B2D45 50%, #0D1B2A 100%);
            padding: 100px 0 80px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-light);
        }
        .hero-category::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.15), transparent 70%);
            pointer-events: none;
        }
        .hero-category::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(69, 123, 157, 0.12), transparent 70%);
            pointer-events: none;
        }
        .hero-category .container {
            position: relative;
            z-index: 1;
        }
        .hero-category .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(230, 57, 70, 0.15);
            color: var(--primary-light);
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
            border: 1px solid rgba(230, 57, 70, 0.2);
        }
        .hero-category h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }
        .hero-category h1 span {
            color: var(--primary-light);
        }
        .hero-category p {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 640px;
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid var(--border-light);
        }
        .hero-stats .stat-item {
            text-align: center;
        }
        .hero-stats .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
            letter-spacing: -0.01em;
        }
        .hero-stats .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .hero-stats .stat-num i {
            color: var(--accent);
            font-size: 1.4rem;
            margin-right: 6px;
        }

        /* ===== Category Grid ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .cat-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px 22px 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-card);
            text-align: center;
            cursor: pointer;
        }
        .cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        .cat-card .cat-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, rgba(230, 57, 70, 0.08), rgba(230, 57, 70, 0.02));
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.8rem;
            color: var(--primary);
            transition: var(--transition);
        }
        .cat-card:hover .cat-icon {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.25);
        }
        .cat-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 6px;
        }
        .cat-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin-bottom: 14px;
        }
        .cat-card .cat-count {
            font-size: 0.78rem;
            color: var(--text-muted);
            background: var(--bg-light);
            display: inline-block;
            padding: 2px 16px;
            border-radius: 50px;
            font-weight: 500;
        }

        /* ===== Hot Events ===== */
        .hot-events {
            background: var(--bg-dark);
            color: var(--text-light);
        }
        .hot-events .section-title {
            color: var(--text-white);
        }
        .hot-events .section-sub {
            color: var(--text-muted);
        }
        .event-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .event-card {
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .event-card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(230, 57, 70, 0.3);
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
        }
        .event-card .event-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .event-card .event-meta .event-cat {
            color: var(--accent);
            font-weight: 600;
        }
        .event-card .event-meta .event-time i {
            margin-right: 4px;
        }
        .event-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.4;
        }
        .event-card .event-teams {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 8px 0;
        }
        .event-card .event-teams .team {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-light);
        }
        .event-card .event-teams .team i {
            font-size: 1.2rem;
            color: var(--text-muted);
        }
        .event-card .event-teams .vs {
            color: var(--primary);
            font-weight: 800;
            font-size: 0.85rem;
        }
        .event-card .event-teams .score {
            color: var(--text-white);
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: 0.05em;
        }
        .event-card .event-status {
            display: inline-block;
            align-self: flex-start;
            background: rgba(230, 57, 70, 0.15);
            color: var(--primary-light);
            font-size: 0.72rem;
            font-weight: 600;
            padding: 2px 14px;
            border-radius: 50px;
            text-transform: uppercase;
        }
        .event-card .event-status.live {
            background: rgba(244, 162, 97, 0.2);
            color: var(--accent);
            animation: pulse-dot 1.8s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.5;
            }
        }

        /* ===== Guide Steps ===== */
        .guide-steps {
            background: var(--bg-light);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            counter-reset: step;
        }
        .step-item {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-card);
            transition: var(--transition);
            position: relative;
        }
        .step-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .step-item::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: 16px;
            left: 16px;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.25);
        }
        .step-item .step-icon {
            font-size: 2.4rem;
            color: var(--primary);
            margin-bottom: 16px;
            margin-top: 8px;
        }
        .step-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-dark);
        }
        .faq-section .section-title {
            color: var(--text-white);
        }
        .faq-section .section-sub {
            color: var(--text-muted);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(230, 57, 70, 0.2);
        }
        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-light);
            font-size: 1rem;
            gap: 16px;
            user-select: none;
            transition: var(--transition);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
        }
        .faq-question:hover {
            color: #fff;
        }
        .faq-question i {
            font-size: 1.2rem;
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #0D1B2A 0%, #1B2D45 100%);
            padding: 80px 0;
            text-align: center;
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 32px;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }

        /* ===== Footer ===== */
        .footer {
            background: #0A1628;
            color: var(--text-muted);
            padding: 60px 0 0;
            border-top: 1px solid var(--border-light);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .site-logo {
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-col ul li a i {
            font-size: 0.85rem;
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 20px;
        }
        .footer-bottom .footer-links a {
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .footer-bottom .footer-links a:hover {
            color: var(--primary-light);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .event-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .hero-category h1 {
                font-size: 2.6rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }
            .section-padding {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-sub {
                font-size: 1rem;
                margin-bottom: 28px;
            }

            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                width: 100%;
                background: rgba(13, 27, 42, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                display: none;
                border-bottom: 1px solid var(--border-light);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 16px;
                border-radius: 10px;
                justify-content: flex-start;
            }
            .main-nav .nav-cta {
                margin-top: 4px;
                justify-content: center;
            }
            .nav-toggle {
                display: block;
            }

            .hero-category {
                padding: 60px 0 48px;
            }
            .hero-category h1 {
                font-size: 2rem;
            }
            .hero-category p {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 24px;
                flex-wrap: wrap;
                margin-top: 32px;
                padding-top: 24px;
            }
            .hero-stats .stat-num {
                font-size: 1.5rem;
            }

            .category-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .cat-card {
                padding: 20px 16px;
            }
            .cat-card .cat-icon {
                width: 48px;
                height: 48px;
                font-size: 1.4rem;
            }
            .cat-card h3 {
                font-size: 1rem;
            }

            .event-list {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .event-card {
                padding: 18px 18px;
            }
            .event-card h4 {
                font-size: 0.95rem;
            }
            .event-card .event-teams .team {
                font-size: 0.85rem;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .step-item {
                padding: 24px 16px;
                text-align: left;
                display: flex;
                flex-wrap: wrap;
                align-items: center;
                gap: 12px;
            }
            .step-item::before {
                position: relative;
                top: auto;
                left: auto;
                flex-shrink: 0;
            }
            .step-item .step-icon {
                margin: 0;
                font-size: 1.8rem;
                flex-shrink: 0;
            }
            .step-item h3 {
                width: 100%;
                margin-bottom: 4px;
            }
            .step-item p {
                width: 100%;
            }

            .faq-question {
                padding: 14px 18px;
                font-size: 0.92rem;
            }
            .faq-item.active .faq-answer {
                padding: 0 18px 16px;
            }

            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 1.7rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom .footer-links {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .hero-category h1 {
                font-size: 1.6rem;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                flex-direction: column;
                gap: 12px;
                align-items: flex-start;
            }
            .hero-stats .stat-item {
                display: flex;
                gap: 10px;
                align-items: center;
            }
            .hero-stats .stat-num {
                font-size: 1.3rem;
            }
            .site-logo .logo-sub {
                display: none;
            }
            .cta-actions {
                flex-direction: column;
                width: 100%;
            }
            .cta-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 1rem;
            }
        }

        /* ===== Focus visible ===== */
        a:focus-visible,
        button:focus-visible,
        .faq-question:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 2px;
        }

        /* ===== Foundation Overrides ===== */
        .row {
            max-width: var(--container-max);
        }
        .button {
            transition: var(--transition);
        }