/* roulang page: index */
:root {
            --color-bg-deep: #080C14;
            --color-bg-primary: #0D1117;
            --color-bg-card: #141A24;
            --color-bg-card-hover: #1A2232;
            --color-bg-elevated: #1C2433;
            --color-accent-primary: #FF5722;
            --color-accent-primary-hover: #FF6D3F;
            --color-accent-gold: #E8A817;
            --color-accent-gold-light: #F5C842;
            --color-accent-cyan: #00D4AA;
            --color-text-primary: #EDF0F5;
            --color-text-secondary: #B0B8C4;
            --color-text-muted: #6B7280;
            --color-text-white: #FFFFFF;
            --color-border: #1E2736;
            --color-border-light: #2A3344;
            --color-border-glow: rgba(255, 87, 34, 0.3);
            --color-success: #10B981;
            --color-warning: #F59E0B;
            --color-danger: #EF4444;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.6);
            --shadow-glow: 0 0 20px rgba(255, 87, 34, 0.15), 0 4px 16px rgba(0, 0, 0, 0.5);
            --shadow-gold: 0 0 24px rgba(232, 168, 23, 0.18), 0 4px 18px rgba(0, 0, 0, 0.5);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-2xl: 48px;
            --spacing-3xl: 64px;
            --spacing-4xl: 80px;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --nav-height: 64px;
            --container-max: 1200px;
        }

        *,
        *::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: 1.6;
            color: var(--color-text-primary);
            background-color: var(--color-bg-deep);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

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

        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 var(--spacing-md);
            }
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(13, 17, 23, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
            height: 100%;
        }

        .header-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--color-text-white);
            white-space: nowrap;
            letter-spacing: 0.5px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            transition: opacity var(--transition-fast);
        }

        .header-logo:hover {
            opacity: 0.85;
        }

        .header-logo .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-gold));
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            color: #fff;
            flex-shrink: 0;
        }

        .header-search-wrapper {
            flex: 1;
            max-width: 440px;
            position: relative;
            margin: 0 auto;
        }

        .header-search {
            width: 100%;
            height: 42px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-full);
            padding: 0 48px 0 20px;
            color: var(--color-text-primary);
            font-size: 0.95rem;
            transition: all var(--transition-normal);
            letter-spacing: 0.3px;
        }

        .header-search::placeholder {
            color: var(--color-text-muted);
            letter-spacing: 0.3px;
        }

        .header-search:focus {
            border-color: var(--color-accent-primary);
            box-shadow: 0 0 0 3px rgba(255, 87, 34, 0.1);
            background: var(--color-bg-elevated);
        }

        .header-search-btn {
            position: absolute;
            right: 6px;
            top: 50%;
            transform: translateY(-50%);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--color-accent-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
        }

        .header-search-btn:hover {
            background: var(--color-accent-primary-hover);
            box-shadow: 0 0 14px rgba(255, 87, 34, 0.4);
        }

        .header-nav-links {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            flex-shrink: 0;
        }

        .header-nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .header-nav-link:hover {
            color: var(--color-text-white);
            background: var(--color-bg-card);
        }

        .header-nav-link.active {
            color: var(--color-accent-primary);
            background: rgba(255, 87, 34, 0.08);
            font-weight: 600;
        }

        .header-nav-link .nav-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent-cyan);
            display: inline-block;
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 0.4;
                transform: scale(1);
            }
            50% {
                opacity: 1;
                transform: scale(1.6);
            }
        }

        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            align-items: center;
            justify-content: center;
            color: var(--color-text-primary);
            font-size: 1.3rem;
            flex-shrink: 0;
            transition: background var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: var(--color-bg-card);
        }

        @media (max-width: 860px) {
            .header-nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(13, 17, 23, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-bottom: 1px solid var(--color-border);
                flex-direction: column;
                padding: var(--spacing-md);
                gap: var(--spacing-sm);
                box-shadow: var(--shadow-lg);
            }
            .header-nav-links.open {
                display: flex;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .header-search-wrapper {
                max-width: none;
                flex: 1;
            }
        }

        @media (max-width: 520px) {
            .header-logo {
                font-size: 1rem;
            }
            .header-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.75rem;
            }
            .header-search {
                height: 38px;
                font-size: 0.85rem;
                padding: 0 42px 0 14px;
            }
            .header-search-btn {
                width: 28px;
                height: 28px;
                right: 4px;
                font-size: 0.75rem;
            }
        }

        /* ============ HERO ============ */
        .hero {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            overflow: hidden;
            background: var(--color-bg-deep);
            padding: var(--spacing-3xl) var(--spacing-lg);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            opacity: 0.35;
            z-index: 1;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 12, 20, 0.3) 0%, rgba(8, 12, 20, 0.85) 60%, var(--color-bg-deep) 100%);
            z-index: 2;
        }

        .hero-particles {
            position: absolute;
            inset: 0;
            z-index: 3;
            pointer-events: none;
            overflow: hidden;
        }

        .hero-particle {
            position: absolute;
            width: 2px;
            height: 2px;
            background: var(--color-accent-gold);
            border-radius: 50%;
            animation: float-up 6s linear infinite;
            opacity: 0;
        }

        .hero-particle:nth-child(1) {
            left: 10%;
            animation-delay: 0s;
        }
        .hero-particle:nth-child(2) {
            left: 25%;
            animation-delay: 1.2s;
        }
        .hero-particle:nth-child(3) {
            left: 40%;
            animation-delay: 2.4s;
        }
        .hero-particle:nth-child(4) {
            left: 55%;
            animation-delay: 0.8s;
        }
        .hero-particle:nth-child(5) {
            left: 70%;
            animation-delay: 3s;
        }
        .hero-particle:nth-child(6) {
            left: 85%;
            animation-delay: 1.8s;
        }
        .hero-particle:nth-child(7) {
            left: 15%;
            animation-delay: 4s;
        }
        .hero-particle:nth-child(8) {
            left: 60%;
            animation-delay: 2.6s;
        }

        @keyframes float-up {
            0% {
                transform: translateY(100vh) scale(0);
                opacity: 0;
            }
            10% {
                opacity: 1;
            }
            90% {
                opacity: 0.6;
            }
            100% {
                transform: translateY(-20vh) scale(1.5);
                opacity: 0;
            }
        }

        .hero-content {
            position: relative;
            z-index: 4;
            max-width: 700px;
            width: 100%;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 87, 34, 0.12);
            border: 1px solid var(--color-border-glow);
            border-radius: var(--radius-full);
            padding: 6px 18px;
            font-size: 0.85rem;
            color: var(--color-accent-primary);
            margin-bottom: var(--spacing-lg);
            letter-spacing: 0.5px;
            font-weight: 500;
        }

        .hero-badge .badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent-cyan);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 900;
            color: var(--color-text-white);
            letter-spacing: 1px;
            line-height: 1.15;
            margin-bottom: var(--spacing-md);
        }

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

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--color-text-secondary);
            margin-bottom: var(--spacing-xl);
            line-height: 1.7;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-search-large {
            display: flex;
            align-items: center;
            gap: 0;
            max-width: 500px;
            margin: 0 auto var(--spacing-lg);
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-full);
            overflow: hidden;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-md);
        }

        .hero-search-large:focus-within {
            border-color: var(--color-accent-primary);
            box-shadow: var(--shadow-glow);
        }

        .hero-search-large input {
            flex: 1;
            height: 50px;
            padding: 0 20px;
            background: transparent;
            color: var(--color-text-primary);
            font-size: 1rem;
            letter-spacing: 0.3px;
        }

        .hero-search-large input::placeholder {
            color: var(--color-text-muted);
        }

        .hero-search-large button {
            height: 50px;
            padding: 0 28px;
            background: var(--color-accent-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 0 var(--radius-full) var(--radius-full) 0;
            transition: all var(--transition-fast);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .hero-search-large button:hover {
            background: var(--color-accent-primary-hover);
            box-shadow: 0 0 20px rgba(255, 87, 34, 0.3);
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: var(--spacing-2xl);
            flex-wrap: wrap;
        }

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

        .hero-stat-value {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-text-white);
            letter-spacing: 0.5px;
        }

        .hero-stat-value .num {
            color: var(--color-accent-gold);
        }

        .hero-stat-label {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 2px;
            letter-spacing: 0.3px;
        }

        @media (max-width: 768px) {
            .hero {
                min-height: 480px;
                padding: var(--spacing-2xl) var(--spacing-md);
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-search-large input {
                height: 44px;
                font-size: 0.9rem;
            }
            .hero-search-large button {
                height: 44px;
                padding: 0 20px;
                font-size: 0.85rem;
            }
            .hero-stats {
                gap: var(--spacing-lg);
            }
            .hero-stat-value {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .hero {
                min-height: 400px;
                padding: var(--spacing-xl) var(--spacing-md);
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-badge {
                font-size: 0.75rem;
                padding: 4px 14px;
            }
            .hero-search-large input {
                height: 40px;
                padding: 0 14px;
                font-size: 0.85rem;
            }
            .hero-search-large button {
                height: 40px;
                padding: 0 16px;
                font-size: 0.8rem;
            }
            .hero-stats {
                gap: var(--spacing-md);
            }
            .hero-stat-value {
                font-size: 1rem;
            }
        }

        /* ============ LIVE STATUS BAR ============ */
        .live-bar {
            background: var(--color-bg-primary);
            border-bottom: 1px solid var(--color-border);
            overflow: hidden;
            position: relative;
            z-index: 5;
        }

        .live-bar-inner {
            display: flex;
            align-items: center;
            gap: var(--spacing-xl);
            padding: 12px 0;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-wrap: nowrap;
            white-space: nowrap;
        }

        .live-bar-inner::-webkit-scrollbar {
            display: none;
        }

        .live-indicator {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(16, 185, 129, 0.12);
            border: 1px solid rgba(16, 185, 129, 0.3);
            border-radius: var(--radius-full);
            padding: 5px 14px;
            font-size: 0.8rem;
            color: var(--color-success);
            font-weight: 600;
            flex-shrink: 0;
            letter-spacing: 0.5px;
        }

        .live-indicator .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-success);
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        .live-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            flex-shrink: 0;
            transition: color var(--transition-fast);
            letter-spacing: 0.3px;
        }

        .live-tag:hover {
            color: var(--color-text-white);
        }

        .live-tag .tag-icon {
            font-size: 0.7rem;
            color: var(--color-accent-gold);
        }

        .live-tag.hot {
            color: var(--color-accent-primary);
            font-weight: 600;
        }

        .live-separator {
            width: 1px;
            height: 16px;
            background: var(--color-border-light);
            flex-shrink: 0;
            border-radius: 1px;
        }

        @media (max-width: 768px) {
            .live-bar-inner {
                gap: var(--spacing-md);
                padding: 10px 0;
            }
            .live-tag {
                font-size: 0.78rem;
            }
            .live-indicator {
                font-size: 0.72rem;
                padding: 4px 10px;
            }
        }

        /* ============ SECTION COMMON ============ */
        .section {
            padding: var(--spacing-4xl) 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-3xl);
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--color-accent-primary);
            margin-bottom: var(--spacing-sm);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text-white);
            letter-spacing: 0.5px;
            line-height: 1.2;
            margin-bottom: var(--spacing-sm);
        }

        .section-desc {
            font-size: 1rem;
            color: var(--color-text-muted);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--spacing-3xl) 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-header {
                margin-bottom: var(--spacing-2xl);
            }
            .section-desc {
                font-size: 0.9rem;
            }
        }

        /* ============ CATEGORY CARDS ============ */
        .section-categories {
            background: var(--color-bg-primary);
        }

        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }

        .category-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-slow);
            cursor: pointer;
            position: relative;
            display: flex;
            flex-direction: column;
        }

        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
            border-color: var(--color-border-glow);
            background: var(--color-bg-card-hover);
        }

        .category-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }

        .category-card-body {
            padding: var(--spacing-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .category-card-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--color-accent-gold);
            margin-bottom: var(--spacing-sm);
        }

        .category-card-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text-white);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.3px;
            line-height: 1.3;
        }

        .category-card-desc {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            flex: 1;
        }

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

        .category-card-link:hover {
            gap: 10px;
        }

        @media (max-width: 768px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-md);
            }
            .category-card-img {
                height: 140px;
            }
            .category-card-title {
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .category-grid {
                grid-template-columns: 1fr;
            }
            .category-card-img {
                height: 180px;
            }
        }

        /* ============ LATEST NEWS LIST ============ */
        .section-news {
            background: var(--color-bg-deep);
        }

        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-lg);
        }

        .news-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-slow);
            display: flex;
            flex-direction: column;
        }

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

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

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

        .news-card:hover .news-card-img {
            transform: scale(1.04);
        }

        .news-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(6px);
            border-radius: var(--radius-full);
            padding: 4px 12px;
            font-size: 0.72rem;
            color: var(--color-accent-gold);
            font-weight: 600;
            letter-spacing: 1px;
        }

        .news-card-body {
            padding: var(--spacing-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text-white);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.3px;
            line-height: 1.35;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-title a {
            transition: color var(--transition-fast);
        }

        .news-card-title a:hover {
            color: var(--color-accent-primary);
        }

        .news-card-excerpt {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: var(--spacing-md);
        }

        .news-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--color-text-muted);
            border-top: 1px solid var(--color-border);
            padding-top: var(--spacing-sm);
        }

        .news-card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: var(--spacing-3xl);
            color: var(--color-text-muted);
            font-size: 1rem;
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--color-border-light);
            letter-spacing: 0.3px;
        }

        @media (max-width: 768px) {
            .news-list {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .news-card-img-wrap {
                height: 180px;
            }
            .news-card-title {
                font-size: 0.95rem;
            }
        }

        /* ============ RANKING / LEADERBOARD ============ */
        .section-ranking {
            background: var(--color-bg-primary);
        }

        .ranking-wrapper {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-xl);
        }

        .ranking-panel {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .ranking-panel-header {
            padding: var(--spacing-lg);
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .ranking-panel-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text-white);
            letter-spacing: 0.3px;
        }

        .ranking-panel-badge {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--color-accent-cyan);
            background: rgba(0, 212, 170, 0.1);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            letter-spacing: 0.5px;
        }

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

        .ranking-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            padding: 14px var(--spacing-lg);
            transition: background var(--transition-fast);
            border-bottom: 1px solid rgba(30, 39, 54, 0.4);
        }

        .ranking-item:last-child {
            border-bottom: none;
        }

        .ranking-item:hover {
            background: var(--color-bg-card-hover);
        }

        .ranking-num {
            width: 32px;
            height: 32px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.85rem;
            flex-shrink: 0;
            letter-spacing: 0.5px;
        }

        .ranking-num.top-1 {
            background: linear-gradient(135deg, #E8A817, #F5C842);
            color: #1a1a1a;
        }
        .ranking-num.top-2 {
            background: linear-gradient(135deg, #9CA3AF, #C0C7D1);
            color: #1a1a1a;
        }
        .ranking-num.top-3 {
            background: linear-gradient(135deg, #B87333, #D4945C);
            color: #fff;
        }
        .ranking-num.normal {
            background: var(--color-bg-elevated);
            color: var(--color-text-secondary);
        }

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

        .ranking-name {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text-primary);
            letter-spacing: 0.3px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .ranking-sub {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-top: 2px;
        }

        .ranking-score {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--color-accent-gold);
            flex-shrink: 0;
            letter-spacing: 0.5px;
        }

        @media (max-width: 768px) {
            .ranking-wrapper {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .ranking-item {
                padding: 12px var(--spacing-md);
            }
        }

        /* ============ STATS BAND ============ */
        .section-stats {
            background: linear-gradient(135deg, var(--color-bg-card), var(--color-bg-deep));
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            padding: var(--spacing-3xl) 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-xl);
            text-align: center;
        }

        .stat-card {
            padding: var(--spacing-xl);
            border-radius: var(--radius-lg);
            background: rgba(20, 26, 36, 0.6);
            border: 1px solid rgba(30, 39, 54, 0.5);
            transition: all var(--transition-normal);
        }

        .stat-card:hover {
            border-color: var(--color-border-glow);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }

        .stat-icon {
            font-size: 2rem;
            margin-bottom: var(--spacing-sm);
            display: block;
        }

        .stat-number {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--color-text-white);
            letter-spacing: 1px;
        }

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

        .stat-label {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            margin-top: var(--spacing-xs);
            letter-spacing: 0.3px;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-md);
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .stat-card {
                padding: var(--spacing-lg);
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }
            .stat-number {
                font-size: 1.3rem;
            }
            .stat-icon {
                font-size: 1.5rem;
            }
            .stat-label {
                font-size: 0.78rem;
            }
        }

        /* ============ FAQ ============ */
        .section-faq {
            background: var(--color-bg-deep);
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

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

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

        .faq-question {
            width: 100%;
            text-align: left;
            padding: var(--spacing-lg) var(--spacing-xl);
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            cursor: pointer;
            letter-spacing: 0.3px;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-accent-primary);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-elevated);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            flex-shrink: 0;
            transition: all var(--transition-normal);
            color: var(--color-text-secondary);
        }

        .faq-item.open .faq-icon {
            background: var(--color-accent-primary);
            color: #fff;
            transform: rotate(45deg);
        }

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

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 var(--spacing-xl) var(--spacing-lg);
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .faq-question {
                padding: var(--spacing-md) var(--spacing-lg);
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 var(--spacing-lg);
            }
            .faq-item.open .faq-answer {
                padding: 0 var(--spacing-lg) var(--spacing-md);
            }
        }

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

        .cta-wrapper {
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .cta-bg-glow {
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 87, 34, 0.1) 0%, transparent 70%);
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 1;
            pointer-events: none;
        }

        .cta-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text-white);
            letter-spacing: 0.5px;
            margin-bottom: var(--spacing-md);
            line-height: 1.2;
        }

        .cta-desc {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            margin-bottom: var(--spacing-xl);
            line-height: 1.6;
        }

        .cta-buttons {
            display: flex;
            gap: var(--spacing-md);
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.5px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-accent-primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(255, 87, 34, 0.3);
        }

        .btn-primary:hover {
            background: var(--color-accent-primary-hover);
            box-shadow: 0 6px 24px rgba(255, 87, 34, 0.45);
            transform: translateY(-2px);
        }

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

        .btn-outline:hover {
            border-color: var(--color-accent-primary);
            color: var(--color-accent-primary);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .cta-title {
                font-size: 1.5rem;
            }
            .cta-desc {
                font-size: 0.9rem;
            }
            .btn {
                padding: 12px 22px;
                font-size: 0.85rem;
            }
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--color-bg-deep);
            border-top: 1px solid var(--color-border);
            padding: var(--spacing-3xl) 0 var(--spacing-xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--spacing-2xl);
            margin-bottom: var(--spacing-2xl);
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--color-text-white);
            letter-spacing: 0.5px;
            margin-bottom: var(--spacing-sm);
        }

        .footer-brand-desc {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            max-width: 300px;
        }

        .footer-col-title {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-text-primary);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: var(--spacing-md);
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
            letter-spacing: 0.3px;
        }

        .footer-links a:hover {
            color: var(--color-accent-primary);
        }

        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: var(--spacing-lg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            font-size: 0.82rem;
            color: var(--color-text-muted);
        }

        .footer-bottom a {
            color: var(--color-text-secondary);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-accent-primary);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-xl);
            }
            .footer-brand-desc {
                max-width: none;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ============ UTILITY ANIMATIONS ============ */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
        }

        .delay-100 {
            animation-delay: 0.1s;
        }
        .delay-200 {
            animation-delay: 0.2s;
        }
        .delay-300 {
            animation-delay: 0.3s;
        }

/* roulang page: article */
:root {
            --bg-deep: #060918;
            --bg-primary: #0b0f24;
            --bg-card: #111633;
            --bg-card-hover: #161d45;
            --bg-surface: #181f4a;
            --text-primary: #f0f1f6;
            --text-secondary: #b8bdd4;
            --text-muted: #7a8099;
            --accent-blue: #3b6eff;
            --accent-blue-glow: rgba(59, 110, 255, 0.35);
            --accent-cyan: #00d4f0;
            --accent-orange: #ff6b3d;
            --accent-orange-glow: rgba(255, 107, 61, 0.4);
            --accent-purple: #8b5cf6;
            --accent-green: #10b981;
            --gradient-hero: linear-gradient(135deg, #0b0f24 0%, #111a3a 40%, #0d1230 70%, #060918 100%);
            --gradient-accent: linear-gradient(135deg, #3b6eff 0%, #8b5cf6 50%, #ff6b3d 100%);
            --gradient-card-border: linear-gradient(180deg, rgba(59, 110, 255, 0.3) 0%, rgba(139, 92, 246, 0.1) 50%, transparent 100%);
            --gradient-glow: radial-gradient(ellipse at center, rgba(59, 110, 255, 0.25) 0%, transparent 70%);
            --border-subtle: rgba(255, 255, 255, 0.06);
            --border-medium: rgba(255, 255, 255, 0.1);
            --border-glow: rgba(59, 110, 255, 0.4);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --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 40px rgba(0, 0, 0, 0.5);
            --shadow-glow-blue: 0 0 30px rgba(59, 110, 255, 0.25);
            --shadow-glow-orange: 0 0 30px rgba(255, 107, 61, 0.2);
            --transition-fast: 0.15s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-spring: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.4);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --max-width: 1200px;
            --max-width-article: 820px;
        }

        *,
        *::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);
            background: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.65;
            min-height: 100vh;
            overflow-x: hidden;
            background-image:
                radial-gradient(ellipse at 80% 10%, rgba(59, 110, 255, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 20% 60%, rgba(139, 92, 246, 0.06) 0%, transparent 55%),
                radial-gradient(ellipse at 60% 90%, rgba(255, 107, 61, 0.04) 0%, transparent 55%);
        }

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

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

        button,
        input {
            font-family: var(--font-sans);
            border: none;
            outline: none;
        }

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

        .container--narrow {
            max-width: var(--max-width-article);
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 15, 36, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            transition: var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 12px 0;
            flex-wrap: wrap;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            white-space: nowrap;
            transition: var(--transition-fast);
        }

        .header-logo:hover {
            color: var(--accent-blue);
            text-shadow: 0 0 25px var(--accent-blue-glow);
        }

        .header-logo-icon {
            width: 38px;
            height: 38px;
            background: var(--gradient-accent);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: var(--shadow-glow-blue);
            flex-shrink: 0;
        }

        .header-search-wrap {
            flex: 1;
            max-width: 420px;
            min-width: 200px;
            position: relative;
        }

        .header-search {
            width: 100%;
            padding: 11px 18px 11px 44px;
            background: var(--bg-card);
            border: 1px solid var(--border-medium);
            border-radius: 50px;
            color: var(--text-primary);
            font-size: 0.9rem;
            transition: var(--transition-smooth);
            box-shadow: var(--shadow-sm);
        }

        .header-search::placeholder {
            color: var(--text-muted);
        }

        .header-search:focus {
            border-color: var(--accent-blue);
            box-shadow: 0 0 0 3px rgba(59, 110, 255, 0.15), var(--shadow-glow-blue);
            background: var(--bg-card-hover);
        }

        .header-search-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 0.95rem;
            pointer-events: none;
            transition: var(--transition-fast);
        }

        .header-search:focus~.header-search-icon {
            color: var(--accent-blue);
        }

        .header-nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .header-nav-link {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: var(--transition-smooth);
            white-space: nowrap;
            position: relative;
        }

        .header-nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }

        .header-nav-link.active {
            color: #fff;
            background: rgba(59, 110, 255, 0.2);
            box-shadow: 0 0 20px rgba(59, 110, 255, 0.15);
        }

        .nav-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-cyan);
            box-shadow: 0 0 8px rgba(0, 212, 240, 0.6);
            flex-shrink: 0;
        }

        .header-mobile-toggle {
            display: none;
            background: var(--bg-card);
            border: 1px solid var(--border-medium);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 1.3rem;
            padding: 8px 12px;
            cursor: pointer;
            transition: var(--transition-fast);
        }

        .header-mobile-toggle:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-glow);
        }

        @media (max-width: 920px) {
            .header-inner {
                gap: 12px;
            }
            .header-search-wrap {
                order: 3;
                max-width: 100%;
                flex-basis: 100%;
            }
            .header-nav-links {
                gap: 2px;
            }
            .header-nav-link {
                padding: 7px 11px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 640px) {
            .header-inner {
                justify-content: space-between;
            }
            .header-mobile-toggle {
                display: block;
            }
            .header-nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 2px;
                padding-top: 8px;
                order: 4;
            }
            .header-nav-links.open {
                display: flex;
            }
            .header-nav-link {
                width: 100%;
                justify-content: center;
                padding: 10px 14px;
                font-size: 0.9rem;
            }
            .header-search-wrap {
                order: 3;
                flex-basis: 100%;
            }
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-subtle);
            padding: 10px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

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

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

        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--text-primary);
            font-weight: 500;
            max-width: 400px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* Article Hero */
        .article-hero {
            padding: 36px 0 28px;
            background: var(--gradient-hero);
            position: relative;
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: var(--gradient-glow);
            border-radius: 50%;
            pointer-events: none;
            opacity: 0.5;
        }

        .article-hero-inner {
            position: relative;
            z-index: 1;
        }

        .article-category-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 14px;
            background: rgba(59, 110, 255, 0.18);
            border: 1px solid rgba(59, 110, 255, 0.35);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-blue);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .article-category-tag i {
            font-size: 0.65rem;
        }

        .article-hero-title {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 12px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
        }

        .article-hero-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .article-hero-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .article-hero-meta i {
            font-size: 0.8rem;
            color: var(--accent-blue);
        }

        .article-stats-row {
            display: flex;
            gap: 20px;
            margin-top: 14px;
            flex-wrap: wrap;
        }

        .article-stat-pill {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-subtle);
            border-radius: 50px;
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        .article-stat-pill i {
            color: var(--accent-orange);
            font-size: 0.75rem;
        }

        /* Article Cover */
        .article-cover-section {
            padding: 8px 0 32px;
            background: var(--bg-primary);
        }

        .article-cover-img {
            width: 100%;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg), var(--shadow-glow-blue);
            border: 1px solid var(--border-subtle);
            object-fit: cover;
        }

        /* Article Body */
        .article-body-section {
            padding: 10px 0 50px;
            background: var(--bg-primary);
        }

        .article-body {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 40px 44px;
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
        }

        .article-body::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gradient-accent);
            border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        }

        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin: 32px 0 14px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-medium);
            letter-spacing: -0.01em;
            line-height: 1.3;
        }

        .article-body h2:first-child {
            margin-top: 0;
        }

        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 24px 0 10px;
            line-height: 1.35;
        }

        .article-body p {
            margin-bottom: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 0.98rem;
        }

        .article-body ul,
        .article-body ol {
            margin: 16px 0;
            padding-left: 24px;
            color: var(--text-secondary);
        }

        .article-body li {
            margin-bottom: 8px;
            line-height: 1.7;
            font-size: 0.95rem;
        }

        .article-body li::marker {
            color: var(--accent-blue);
        }

        .article-body blockquote {
            margin: 24px 0;
            padding: 20px 24px;
            background: rgba(59, 110, 255, 0.06);
            border-left: 3px solid var(--accent-blue);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            color: var(--text-secondary);
            font-size: 0.95rem;
            position: relative;
        }

        .article-body blockquote::before {
            content: '\201C';
            position: absolute;
            top: 6px;
            left: 14px;
            font-size: 2.5rem;
            color: rgba(59, 110, 255, 0.2);
            font-style: normal;
            line-height: 1;
            pointer-events: none;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            box-shadow: var(--shadow-md);
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 0.9rem;
            border-radius: var(--radius-md);
            overflow: hidden;
        }

        .article-body table th {
            background: var(--bg-surface);
            color: var(--text-primary);
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
            border-bottom: 2px solid var(--border-medium);
        }

        .article-body table td {
            padding: 10px 16px;
            border-bottom: 1px solid var(--border-subtle);
            color: var(--text-secondary);
        }

        .article-body table tr:hover td {
            background: rgba(255, 255, 255, 0.02);
        }

        .article-body code {
            background: var(--bg-surface);
            padding: 2px 8px;
            border-radius: var(--radius-sm);
            font-size: 0.88em;
            color: var(--accent-cyan);
            border: 1px solid var(--border-subtle);
        }

        .article-body pre {
            background: var(--bg-deep);
            border: 1px solid var(--border-medium);
            border-radius: var(--radius-md);
            padding: 20px;
            overflow-x: auto;
            margin: 20px 0;
            font-size: 0.88rem;
            line-height: 1.6;
        }

        .article-body pre code {
            background: none;
            border: none;
            padding: 0;
            color: var(--text-secondary);
        }

        @media (max-width: 768px) {
            .article-body {
                padding: 28px 20px;
            }
            .article-hero-title {
                font-size: 1.5rem;
            }
            .article-body h2 {
                font-size: 1.25rem;
            }
            .article-body h3 {
                font-size: 1.05rem;
            }
            .article-body p {
                font-size: 0.9rem;
            }
        }

        /* Not Found */
        .not-found-section {
            padding: 80px 0;
            text-align: center;
            background: var(--bg-primary);
        }

        .not-found-icon {
            font-size: 4rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .not-found-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .not-found-desc {
            color: var(--text-muted);
            margin-bottom: 24px;
            font-size: 0.95rem;
        }

        .btn-return {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: var(--accent-blue);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition-smooth);
            box-shadow: var(--shadow-glow-blue);
        }

        .btn-return:hover {
            background: #5080ff;
            transform: translateY(-2px);
            box-shadow: 0 0 40px rgba(59, 110, 255, 0.4);
        }

        /* Related Posts */
        .related-section {
            padding: 40px 0 60px;
            background: var(--bg-deep);
        }

        .related-section .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-cyan);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }

        .related-section .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 28px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-smooth);
            box-shadow: var(--shadow-sm);
            cursor: pointer;
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg), var(--shadow-glow-blue);
            border-color: var(--border-glow);
            background: var(--bg-card-hover);
        }

        .related-card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-subtle);
        }

        .related-card-body {
            padding: 16px 18px;
        }

        .related-card-tag {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--accent-blue);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .related-card-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: var(--transition-fast);
        }

        .related-card:hover .related-card-title {
            color: #fff;
        }

        .related-card-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 8px;
        }

        @media (max-width: 768px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .related-card-img {
                height: 130px;
            }
        }

        @media (max-width: 480px) {
            .related-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* CTA */
        .cta-section {
            padding: 50px 0;
            background: var(--bg-primary);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(ellipse, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-card {
            position: relative;
            z-index: 1;
            background: var(--bg-card);
            border: 1px solid var(--border-medium);
            border-radius: var(--radius-2xl);
            padding: 40px;
            text-align: center;
            box-shadow: var(--shadow-lg);
            background-image: linear-gradient(180deg, rgba(59, 110, 255, 0.05) 0%, transparent 100%);
        }

        .cta-card .cta-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            background: var(--gradient-accent);
            border-radius: 50%;
            font-size: 1.4rem;
            color: #fff;
            margin-bottom: 16px;
            box-shadow: var(--shadow-glow-orange);
        }

        .cta-card h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .cta-card p {
            color: var(--text-secondary);
            margin-bottom: 20px;
            font-size: 0.9rem;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 32px;
            background: var(--accent-orange);
            color: #fff;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: var(--transition-smooth);
            box-shadow: var(--shadow-glow-orange);
            cursor: pointer;
        }

        .btn-cta:hover {
            background: #ff8259;
            transform: translateY(-2px);
            box-shadow: 0 0 45px rgba(255, 107, 61, 0.5);
        }

        @media (max-width: 640px) {
            .cta-card {
                padding: 28px 20px;
            }
            .cta-card h3 {
                font-size: 1.15rem;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-weight: 800;
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .footer-brand-desc {
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.6;
            max-width: 280px;
        }

        .footer-col-title {
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
            font-size: 0.9rem;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            color: var(--text-muted);
            font-size: 0.85rem;
            transition: var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--accent-blue);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand-desc {
                max-width: 100%;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* Pulse animation for community feel */
        @keyframes pulse-glow {
            0%,
            100% {
                box-shadow: 0 0 15px rgba(59, 110, 255, 0.2);
            }
            50% {
                box-shadow: 0 0 35px rgba(59, 110, 255, 0.45);
            }
        }

        .pulse-border {
            animation: pulse-glow 2.5s ease-in-out infinite;
        }

        /* Selection */
        ::selection {
            background: rgba(59, 110, 255, 0.35);
            color: #fff;
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #FF4D2E;
            --primary-hover: #E63E1F;
            --primary-glow: rgba(255, 77, 46, 0.45);
            --secondary: #FFB800;
            --secondary-hover: #E6A500;
            --accent: #00E5A0;
            --accent-glow: rgba(0, 229, 160, 0.4);
            --bg-dark: #0A0D14;
            --bg-card: #131720;
            --bg-card-hover: #181D28;
            --bg-header: rgba(10, 13, 20, 0.92);
            --bg-nav: #0F121A;
            --text-primary: #F0F1F5;
            --text-secondary: #B0B5C0;
            --text-muted: #6B7080;
            --text-inverse: #0A0D14;
            --border-subtle: rgba(255, 255, 255, 0.06);
            --border-card: rgba(255, 255, 255, 0.08);
            --border-active: rgba(255, 77, 46, 0.5);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 14px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 40px rgba(255, 77, 46, 0.25);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-mono: 'JetBrains Mono', 'SF Mono', 'Consolas', 'Menlo', monospace;
            --container-max: 1260px;
            --header-height: 74px;
        }

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

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

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

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

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

        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

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

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

        /* ========== Header / 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-header);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: background var(--transition-base);
        }

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

        .header-logo-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .header-logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), #FF6B3D);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            font-weight: 900;
            letter-spacing: -1px;
            box-shadow: 0 0 20px var(--primary-glow);
            flex-shrink: 0;
        }

        .header-logo-text {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

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

        /* 搜索框 - 导航视觉中心 */
        .header-search-wrap {
            flex: 1;
            max-width: 420px;
            position: relative;
            min-width: 200px;
        }

        .header-search-input {
            width: 100%;
            height: 44px;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: 50px;
            padding: 0 48px 0 20px;
            color: var(--text-primary);
            font-size: 0.95rem;
            transition: all var(--transition-base);
            letter-spacing: 0.3px;
        }

        .header-search-input::placeholder {
            color: var(--text-muted);
            letter-spacing: 0.3px;
        }

        .header-search-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(255, 77, 46, 0.12), 0 0 30px rgba(255, 77, 46, 0.08);
            background: var(--bg-card-hover);
        }

        .header-search-btn {
            position: absolute;
            right: 6px;
            top: 50%;
            transform: translateY(-50%);
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

        .header-search-btn:hover {
            background: var(--primary-hover);
            box-shadow: 0 0 20px var(--primary-glow);
        }

        .header-nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .header-nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 16px;
            border-radius: 50px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .header-nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }

        .header-nav-link.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 16px var(--primary-glow);
        }

        .nav-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 8px var(--accent-glow);
            display: inline-block;
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 8px var(--accent-glow);
            }
            50% {
                opacity: 0.4;
                box-shadow: 0 0 18px var(--accent-glow);
            }
        }

        /* 移动端菜单按钮 */
        .header-mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--text-primary);
            flex-shrink: 0;
        }

        /* ========== 页面 Banner ========== */
        .category-banner {
            position: relative;
            padding: 80px 0 70px;
            background: linear-gradient(180deg, #0F121A 0%, #0A0D14 100%);
            overflow: hidden;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
        }

        .category-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60%;
            background: linear-gradient(to top, var(--bg-dark) 0%, transparent 100%);
            z-index: 1;
        }

        .category-banner-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }

        .category-banner-text {
            flex: 1;
            min-width: 280px;
        }

        .category-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 77, 46, 0.15);
            border: 1px solid rgba(255, 77, 46, 0.3);
            color: var(--primary);
            padding: 7px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 18px;
        }

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

        .category-banner h1 {
            font-size: 2.8rem;
            font-weight: 900;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            color: #fff;
            line-height: 1.15;
        }

        .category-banner h1 span {
            color: var(--primary);
        }

        .category-banner-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 520px;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .category-stats-row {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
        }

        .category-stat-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .category-stat-num {
            font-size: 1.8rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: 0.5px;
            font-family: var(--font-mono);
        }

        .category-stat-num .plus {
            color: var(--primary);
            font-size: 1.2rem;
        }

        .category-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            letter-spacing: 0.5px;
        }

        .category-banner-visual {
            flex-shrink: 0;
            width: 340px;
            height: 240px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-lg), 0 0 60px rgba(255, 77, 46, 0.12);
            border: 1px solid var(--border-card);
        }

        .category-banner-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .category-banner-visual .visual-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(255, 77, 46, 0.2) 0%, transparent 60%);
        }

        /* ========== 实时状态条 ========== */
        .live-status-bar {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-subtle);
            padding: 14px 0;
            position: relative;
            z-index: 10;
        }

        .live-status-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .live-indicator {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 229, 160, 0.1);
            border: 1px solid rgba(0, 229, 160, 0.25);
            color: var(--accent);
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            flex-shrink: 0;
            animation: livePulse 1.8s ease-in-out infinite;
        }

        @keyframes livePulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(0, 229, 160, 0.3);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(0, 229, 160, 0);
            }
        }

        .live-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 10px var(--accent-glow);
            animation: blink 1s ease-in-out infinite;
        }

        @keyframes blink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        .live-ticker {
            flex: 1;
            overflow: hidden;
            white-space: nowrap;
            position: relative;
            min-width: 200px;
        }

        .live-ticker-text {
            display: inline-block;
            color: var(--text-secondary);
            font-size: 0.9rem;
            letter-spacing: 0.3px;
            animation: tickerScroll 20s linear infinite;
        }

        @keyframes tickerScroll {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }

        .live-ticker-text span {
            color: var(--primary);
            font-weight: 600;
            margin: 0 6px;
        }

        .live-viewers {
            color: var(--text-muted);
            font-size: 0.85rem;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .live-viewers i {
            color: var(--accent);
            font-size: 0.7rem;
        }

        /* ========== 主内容区 ========== */
        .main-content {
            padding: 50px 0 70px;
            background: var(--bg-dark);
        }

        .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 30px;
        }

        .section-title-group h2 {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: 0.3px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .section-title-group h2 .title-accent {
            width: 4px;
            height: 28px;
            background: var(--primary);
            border-radius: 2px;
            box-shadow: 0 0 12px var(--primary-glow);
        }

        .section-title-group p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-top: 6px;
        }

        /* 筛选标签 */
        .filter-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-tag {
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .filter-tag:hover {
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.2);
            background: var(--bg-card-hover);
        }

        .filter-tag.active {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
            box-shadow: 0 4px 16px var(--primary-glow);
        }

        /* 赛事卡片网格 */
        .events-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
            gap: 20px;
        }

        .event-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            cursor: pointer;
            position: relative;
            display: flex;
            flex-direction: column;
        }

        .event-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg), 0 0 40px rgba(255, 77, 46, 0.08);
            border-color: var(--border-active);
            background: var(--bg-card-hover);
        }

        .event-card-image {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

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

        .event-card:hover .event-card-image img {
            transform: scale(1.06);
        }

        .event-card-image .event-status-tag {
            position: absolute;
            top: 14px;
            right: 14px;
            padding: 5px 12px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            z-index: 2;
        }

        .status-live {
            background: var(--accent);
            color: #000;
            animation: livePulse 1.8s ease-in-out infinite;
        }

        .status-upcoming {
            background: var(--secondary);
            color: #000;
        }

        .status-open {
            background: #5B8DEF;
            color: #fff;
        }

        .status-ended {
            background: rgba(255, 255, 255, 0.15);
            color: var(--text-muted);
        }

        .event-card-image .hot-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 4px 10px;
            border-radius: 50px;
            font-size: 0.72rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            background: var(--primary);
            color: #fff;
            z-index: 2;
            box-shadow: 0 0 16px var(--primary-glow);
        }

        .event-card-body {
            padding: 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .event-card-game-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        .event-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.35;
            letter-spacing: 0.3px;
        }

        .event-card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.84rem;
            color: var(--text-muted);
        }

        .event-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .event-card-meta i {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .event-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid var(--border-subtle);
        }

        .event-prize {
            font-weight: 700;
            color: var(--secondary);
            font-size: 1rem;
            letter-spacing: 0.3px;
        }

        .event-card-btn {
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.4px;
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .event-card-btn:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 20px var(--primary-glow);
        }

        .event-card-btn.live-btn {
            background: var(--accent);
            color: #000;
            border-color: var(--accent);
            animation: livePulse 2s ease-in-out infinite;
        }

        .event-card-btn.live-btn:hover {
            box-shadow: 0 4px 24px var(--accent-glow);
        }

        /* ========== 排行榜板块 ========== */
        .rankings-section {
            padding: 60px 0;
            background: var(--bg-nav);
            position: relative;
            overflow: hidden;
        }

        .rankings-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -150px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 77, 46, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .rankings-table-wrap {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            z-index: 1;
        }

        .rankings-table {
            width: 100%;
            border-collapse: collapse;
        }

        .rankings-table thead th {
            text-align: left;
            padding: 16px 20px;
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--text-muted);
            letter-spacing: 0.8px;
            text-transform: uppercase;
            background: rgba(255, 255, 255, 0.02);
            border-bottom: 1px solid var(--border-card);
        }

        .rankings-table tbody td {
            padding: 15px 20px;
            font-size: 0.95rem;
            color: var(--text-primary);
            border-bottom: 1px solid var(--border-subtle);
            vertical-align: middle;
        }

        .rankings-table tbody tr {
            transition: all var(--transition-fast);
        }

        .rankings-table tbody tr:hover {
            background: rgba(255, 255, 255, 0.025);
        }

        .rankings-table tbody tr:last-child td {
            border-bottom: none;
        }

        .rank-cell {
            font-weight: 900;
            font-size: 1.1rem;
            font-family: var(--font-mono);
            letter-spacing: 0.5px;
        }

        .rank-top1 {
            color: var(--secondary);
        }
        .rank-top2 {
            color: #C0C0C0;
        }
        .rank-top3 {
            color: #CD7F32;
        }

        .team-cell {
            font-weight: 700;
            letter-spacing: 0.3px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .team-avatar-placeholder {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), #FF6B3D);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            font-weight: 800;
            color: #fff;
            flex-shrink: 0;
        }

        .trend-icon {
            font-size: 0.85rem;
        }
        .trend-up {
            color: var(--accent);
        }
        .trend-down {
            color: var(--primary);
        }
        .trend-stable {
            color: var(--text-muted);
        }

        .score-cell {
            font-weight: 700;
            font-family: var(--font-mono);
            letter-spacing: 0.5px;
            color: var(--secondary);
        }

        /* ========== 赛事时间表板块 ========== */
        .schedule-section {
            padding: 60px 0;
            background: var(--bg-dark);
        }

        .timeline-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 40px;
        }

        .timeline-list::before {
            content: '';
            position: absolute;
            left: 15px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-card);
            border-radius: 1px;
        }

        .timeline-item {
            position: relative;
            padding: 20px 0 20px 28px;
            border-left: 2px solid transparent;
            transition: all var(--transition-base);
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -8px;
            top: 26px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 2px solid var(--border-card);
            transition: all var(--transition-base);
            z-index: 2;
        }

        .timeline-item:hover::before {
            border-color: var(--primary);
            background: var(--primary);
            box-shadow: 0 0 16px var(--primary-glow);
        }

        .timeline-item:hover {
            border-left-color: var(--primary);
            background: rgba(255, 77, 46, 0.03);
        }

        .timeline-date {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.8px;
            text-transform: uppercase;
            margin-bottom: 6px;
        }

        .timeline-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.3px;
            margin-bottom: 4px;
        }

        .timeline-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .timeline-meta span {
            margin-right: 10px;
        }

        /* ========== CTA 板块 ========== */
        .cta-section {
            padding: 70px 0;
            background: linear-gradient(180deg, var(--bg-nav) 0%, var(--bg-dark) 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 700px;
            height: 700px;
            background: radial-gradient(circle, rgba(255, 77, 46, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            z-index: 1;
            box-shadow: var(--shadow-lg);
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-card h2 {
            font-size: 2rem;
            font-weight: 900;
            letter-spacing: 0.5px;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-card h2 span {
            color: var(--primary);
        }

        .cta-card p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 28px;
            line-height: 1.7;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
        }

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

        .btn-primary-lg {
            padding: 14px 34px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            background: var(--primary);
            color: #fff;
            transition: all var(--transition-fast);
            box-shadow: 0 6px 28px var(--primary-glow);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary-lg:hover {
            background: var(--primary-hover);
            transform: translateY(-3px);
            box-shadow: 0 10px 36px rgba(255, 77, 46, 0.45);
        }

        .btn-outline-lg {
            padding: 14px 34px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.25);
            color: var(--text-primary);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline-lg:hover {
            border-color: #fff;
            color: #fff;
            transform: translateY(-3px);
        }

        /* ========== FAQ 板块 ========== */
        .faq-section {
            padding: 60px 0 70px;
            background: var(--bg-dark);
        }

        .faq-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
            gap: 16px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: var(--border-active);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-md);
        }

        .faq-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.3px;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .faq-item h4 .faq-icon {
            color: var(--primary);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .faq-item p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-nav);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }

        .footer-brand-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .footer-col-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 9px;
        }

        .footer-links a {
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
            letter-spacing: 0.3px;
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
            font-size: 0.82rem;
            color: var(--text-muted);
            letter-spacing: 0.3px;
        }

        /* ========== 响应式设计 ========== */
        @media (max-width: 1024px) {
            .header-search-wrap {
                max-width: 280px;
            }
            .category-banner h1 {
                font-size: 2.2rem;
            }
            .category-banner-visual {
                width: 260px;
                height: 190px;
            }
            .events-grid {
                grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                gap: 12px;
            }
            .header-search-wrap {
                order: 3;
                max-width: 100%;
                flex: 1 1 100%;
                min-width: 100%;
            }
            .header-nav-links {
                gap: 2px;
            }
            .header-nav-link {
                padding: 7px 12px;
                font-size: 0.82rem;
            }
            .header-logo-text {
                font-size: 1rem;
            }
            .header-logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }
            .header-mobile-toggle {
                display: flex;
            }
            .header-nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--bg-header);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border-subtle);
                z-index: 999;
            }
            .header-nav-links.open {
                display: flex;
            }
            .header-nav-link {
                width: 100%;
                border-radius: var(--radius-sm);
                padding: 11px 16px;
            }

            .category-banner {
                padding: 50px 0 40px;
            }
            .category-banner-content {
                flex-direction: column;
                gap: 24px;
            }
            .category-banner h1 {
                font-size: 1.8rem;
            }
            .category-banner-visual {
                width: 100%;
                height: 200px;
            }
            .category-stats-row {
                gap: 20px;
            }
            .category-stat-num {
                font-size: 1.4rem;
            }

            .events-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .event-card-image {
                height: 160px;
            }

            .rankings-table thead {
                display: none;
            }
            .rankings-table tbody td {
                display: block;
                text-align: right;
                padding: 10px 16px;
                position: relative;
            }
            .rankings-table tbody td::before {
                content: attr(data-label);
                float: left;
                font-weight: 700;
                color: var(--text-muted);
                font-size: 0.78rem;
                text-transform: uppercase;
                letter-spacing: 0.6px;
            }
            .rankings-table tbody tr {
                display: block;
                border-bottom: 1px solid var(--border-card);
                padding: 6px 0;
            }

            .timeline-list {
                padding-left: 24px;
            }
            .timeline-list::before {
                left: 7px;
            }
            .timeline-item {
                padding-left: 20px;
            }
            .timeline-item::before {
                left: -7px;
                width: 12px;
                height: 12px;
                top: 22px;
            }

            .cta-card {
                padding: 34px 20px;
            }
            .cta-card h2 {
                font-size: 1.5rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .section-title-group h2 {
                font-size: 1.35rem;
            }
            .filter-tags {
                width: 100%;
            }
            .filter-tag {
                font-size: 0.8rem;
                padding: 6px 14px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .header-inner {
                padding: 0 14px;
                gap: 8px;
            }
            .category-banner h1 {
                font-size: 1.5rem;
            }
            .category-banner-desc {
                font-size: 0.95rem;
            }
            .category-banner-visual {
                height: 160px;
            }
            .category-stats-row {
                gap: 14px;
            }
            .category-stat-num {
                font-size: 1.2rem;
            }
            .event-card h3 {
                font-size: 0.98rem;
            }
            .cta-card h2 {
                font-size: 1.25rem;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary-lg,
            .btn-outline-lg {
                width: 100%;
                justify-content: center;
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .rankings-table-wrap {
                overflow-x: auto;
            }
            .faq-item {
                padding: 16px 18px;
            }
        }