/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #7B2D8E;
            --primary-light: #9D4DAD;
            --primary-dark: #5E1F6E;
            --accent: #FF6B35;
            --accent-light: #FF8A5C;
            --accent-dark: #E05520;
            --highlight: #00E5FF;
            --highlight-dim: #00B8CC;
            --bg-deep: #0A0618;
            --bg-card: #1A0D2E;
            --bg-card-hover: #22183A;
            --bg-nav: rgba(10, 6, 24, 0.75);
            --text-primary: #F0EAF5;
            --text-secondary: #B8A9C9;
            --text-disabled: #665A78;
            --border-accent: rgba(255, 107, 53, 0.15);
            --border-accent-hover: rgba(255, 107, 53, 0.35);
            --border-glow: rgba(0, 229, 255, 0.2);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
            --shadow-card-hover: 0 8px 32px rgba(123, 45, 142, 0.3);
            --shadow-glow: 0 0 30px rgba(123, 45, 142, 0.15);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --font-sans: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-num: 'Inter', 'PingFang SC', system-ui, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --gap-sm: 8px;
            --gap-md: 16px;
            --gap-lg: 24px;
            --gap-xl: 40px;
            --gap-2xl: 64px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-primary);
            background: var(--bg-deep);
            background-image: radial-gradient(ellipse at 20% 20%, rgba(123, 45, 142, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 80%, rgba(255, 107, 53, 0.05) 0%, transparent 60%);
            min-height: 100vh;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
        }

        /* ===== Container ===== */
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 var(--gap-lg);
        }
        .container-narrow {
            max-width: 860px;
            margin: 0 auto;
            padding: 0 var(--gap-lg);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--bg-nav);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-accent);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(10, 6, 24, 0.92);
            border-bottom-color: rgba(255, 107, 53, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            padding: 0 var(--gap-lg);
            max-width: 1280px;
            margin: 0 auto;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }
        .site-logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            font-weight: 900;
            box-shadow: 0 0 20px rgba(123, 45, 142, 0.3);
        }
        .site-logo .logo-text {
            background: linear-gradient(135deg, var(--text-primary) 40%, var(--accent-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .main-nav a {
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
        }
        .main-nav a.active {
            color: var(--accent-light);
            background: rgba(255, 107, 53, 0.08);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--accent);
        }
        .nav-cta {
            padding: 10px 24px !important;
            border-radius: var(--radius-md) !important;
            background: linear-gradient(135deg, var(--accent), var(--primary)) !important;
            color: #fff !important;
            font-weight: 600 !important;
            box-shadow: 0 4px 20px rgba(255, 107, 53, 0.3);
            transition: var(--transition);
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 28px rgba(255, 107, 53, 0.45) !important;
            background: linear-gradient(135deg, var(--accent-light), var(--primary-light)) !important;
        }
        .nav-cta:active {
            transform: translateY(0);
            box-shadow: 0 2px 12px rgba(255, 107, 53, 0.3) !important;
        }

        /* Hamburger */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            background: none;
            border: none;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            border-radius: 2px;
            background: var(--text-primary);
            transition: var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Mobile Nav */
        .mobile-nav {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(10, 6, 24, 0.98);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            padding: var(--gap-lg);
            flex-direction: column;
            gap: 8px;
            z-index: 999;
            overflow-y: auto;
            opacity: 0;
            transform: translateY(-12px);
            transition: opacity 0.35s ease, transform 0.35s ease;
            pointer-events: none;
        }
        .mobile-nav.open {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
            display: flex;
        }
        .mobile-nav a {
            padding: 14px 20px;
            border-radius: var(--radius-md);
            font-size: 17px;
            font-weight: 500;
            color: var(--text-secondary);
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .mobile-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
            border-color: var(--border-accent);
        }
        .mobile-nav a.active {
            color: var(--accent-light);
            background: rgba(255, 107, 53, 0.06);
            border-color: rgba(255, 107, 53, 0.15);
        }
        .mobile-nav .nav-cta-mobile {
            margin-top: 12px;
            padding: 16px 24px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--accent), var(--primary));
            color: #fff !important;
            font-weight: 700;
            text-align: center;
            border: none !important;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 120px 0 80px;
            background: var(--bg-deep);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.3;
            transform: scale(1.05);
            will-change: transform;
            transition: transform 0.1s linear;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(123, 45, 142, 0.35) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 60%, rgba(255, 107, 53, 0.2) 0%, transparent 50%),
                linear-gradient(180deg, rgba(10, 6, 24, 0.3) 0%, rgba(10, 6, 24, 0.7) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
            padding: 0 var(--gap-lg);
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: 40px;
            background: rgba(255, 107, 53, 0.12);
            border: 1px solid rgba(255, 107, 53, 0.25);
            font-size: 13px;
            font-weight: 500;
            color: var(--accent-light);
            margin-bottom: 24px;
            backdrop-filter: blur(8px);
        }
        .hero-badge i {
            font-size: 12px;
        }
        .hero h1 {
            font-size: 56px;
            font-weight: 900;
            line-height: 1.15;
            background: linear-gradient(135deg, #F0EAF5 0%, #C9A0DC 30%, var(--accent-light) 70%, var(--highlight) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero-sub {
            font-size: 20px;
            color: var(--text-secondary);
            line-height: 1.6;
            max-width: 600px;
            margin: 0 auto 36px;
            font-weight: 400;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--gap-md);
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--accent), var(--primary));
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            box-shadow: 0 4px 24px rgba(255, 107, 53, 0.35);
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 36px rgba(255, 107, 53, 0.5);
            background: linear-gradient(135deg, var(--accent-light), var(--primary-light));
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 12px rgba(255, 107, 53, 0.3);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: var(--radius-md);
            border: 1.5px solid var(--text-secondary);
            color: var(--text-primary);
            font-size: 16px;
            font-weight: 600;
            background: transparent;
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-secondary:hover {
            border-color: var(--accent-light);
            color: var(--accent-light);
            background: rgba(255, 107, 53, 0.06);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: translateY(0);
        }

        /* Hero stats */
        .hero-stats {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: center;
            gap: var(--gap-xl);
            margin-top: 56px;
            flex-wrap: wrap;
        }
        .stat-badge {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 22px;
            border-radius: 20px;
            background: rgba(255, 107, 53, 0.08);
            border: 1px solid rgba(255, 107, 53, 0.2);
            backdrop-filter: blur(8px);
            font-size: 14px;
            color: var(--text-secondary);
        }
        .stat-badge i {
            color: var(--accent-light);
            font-size: 16px;
        }
        .stat-badge strong {
            color: var(--text-primary);
            font-weight: 700;
            font-size: 16px;
        }

        /* ===== Section Shared ===== */
        .section {
            padding: var(--gap-2xl) 0;
        }
        .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: var(--gap-xl);
            flex-wrap: wrap;
            gap: var(--gap-md);
        }
        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .section-header h2 .accent-bar {
            display: inline-block;
            width: 4px;
            height: 28px;
            border-radius: 4px;
            background: var(--accent);
        }
        .section-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .section-link:hover {
            color: var(--accent-light);
            gap: 10px;
        }

        /* ===== Horizontal Scroll ===== */
        .scroll-wrapper {
            position: relative;
        }
        .scroll-arrows {
            display: flex;
            gap: 8px;
            margin-left: auto;
        }
        .scroll-arrow {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border-accent);
            background: var(--bg-card);
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            font-size: 16px;
        }
        .scroll-arrow:hover {
            border-color: var(--accent-light);
            color: var(--accent-light);
            background: rgba(255, 107, 53, 0.08);
        }
        .scroll-arrow:disabled {
            opacity: 0.3;
            cursor: not-allowed;
        }
        .scroll-container {
            display: flex;
            gap: var(--gap-md);
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            padding: 8px 4px 16px;
            scrollbar-width: none;
        }
        .scroll-container::-webkit-scrollbar {
            display: none;
        }

        /* ===== Card ===== */
        .card {
            border-radius: var(--radius-lg);
            background: var(--bg-card);
            border: 1px solid var(--border-accent);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            overflow: hidden;
            flex-shrink: 0;
        }
        .card:hover {
            transform: translateY(-6px);
            border-color: var(--border-accent-hover);
            box-shadow: var(--shadow-card-hover);
        }

        /* Scroll card */
        .scroll-card {
            width: 280px;
            scroll-snap-align: start;
            border-radius: var(--radius-lg);
            background: var(--bg-card);
            border: 1px solid var(--border-accent);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            overflow: hidden;
            flex-shrink: 0;
        }
        .scroll-card:hover {
            transform: translateY(-6px) scale(1.02);
            border-color: var(--border-accent-hover);
            box-shadow: var(--shadow-card-hover);
        }
        .scroll-card .card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-accent);
        }
        .scroll-card .card-body {
            padding: 16px 18px 20px;
        }
        .scroll-card .card-body h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .scroll-card .card-body p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
        }
        .scroll-card .card-tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: 12px;
            font-size: 11px;
            font-weight: 600;
            background: rgba(123, 45, 142, 0.2);
            color: var(--primary-light);
            border: 1px solid rgba(123, 45, 142, 0.15);
        }

        /* ===== Featured Card (热播推荐) ===== */
        .featured-card {
            display: flex;
            border-radius: var(--radius-xl);
            background: var(--bg-card);
            border: 1px solid var(--border-accent);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
            min-height: 300px;
        }
        .featured-card:hover {
            border-color: var(--border-accent-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .featured-card .feat-img {
            flex: 0 0 55%;
            max-width: 55%;
            min-height: 300px;
            object-fit: cover;
        }
        .featured-card .feat-body {
            flex: 1;
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
        }
        .featured-card .feat-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            padding: 4px 14px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--accent), #FF2D55);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            box-shadow: 0 2px 12px rgba(255, 107, 53, 0.3);
        }
        .featured-card .feat-body h3 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .featured-card .feat-body p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            max-width: 480px;
        }
        .featured-card .feat-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 18px;
        }
        .featured-card .feat-tags span {
            padding: 4px 14px;
            border-radius: 14px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(0, 229, 255, 0.08);
            border: 1px solid rgba(0, 229, 255, 0.12);
            color: var(--highlight);
        }
        .btn-detail {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            box-shadow: 0 4px 16px rgba(123, 45, 142, 0.25);
            transition: var(--transition);
            align-self: flex-start;
        }
        .btn-detail:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(123, 45, 142, 0.4);
        }

        /* ===== Grid Cards (探索更多) ===== */
        .category-tabs {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: var(--gap-lg);
        }
        .category-tab {
            padding: 8px 22px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            border: 1px solid var(--border-accent);
            background: transparent;
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition);
        }
        .category-tab:hover {
            border-color: var(--accent-light);
            color: var(--accent-light);
        }
        .category-tab.active {
            background: linear-gradient(135deg, var(--accent), var(--primary));
            border-color: transparent;
            color: #fff;
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.25);
        }
        .grid-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-lg);
        }
        .grid-card {
            border-radius: var(--radius-lg);
            background: var(--bg-card);
            border: 1px solid var(--border-accent);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
        }
        .grid-card:hover {
            transform: translateY(-8px);
            border-color: var(--border-accent-hover);
            box-shadow: var(--shadow-card-hover);
        }
        .grid-card .gc-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-accent);
        }
        .grid-card .gc-body {
            padding: 18px 20px 22px;
        }
        .grid-card .gc-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .grid-card .gc-body p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .gc-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 12px;
            color: var(--text-disabled);
        }
        .gc-meta i {
            margin-right: 4px;
            color: var(--accent-light);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--accent-dark) 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(0, 229, 255, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 50%, rgba(255, 107, 53, 0.1) 0%, transparent 60%);
        }
        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
            padding: 0 var(--gap-lg);
        }
        .cta-content h2 {
            font-size: 38px;
            font-weight: 900;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-content p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 28px;
            line-height: 1.6;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            font-size: 15px;
            transition: var(--transition);
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .cta-form input:focus {
            border-color: var(--highlight);
            background: rgba(255, 255, 255, 0.12);
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.1);
        }
        .cta-form button {
            padding: 14px 32px;
            border-radius: var(--radius-md);
            background: var(--highlight);
            color: var(--bg-deep);
            font-weight: 700;
            font-size: 15px;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            white-space: nowrap;
        }
        .cta-form button:hover {
            background: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(0, 229, 255, 0.3);
        }
        .cta-disclaimer {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.35);
            margin-top: 16px;
        }
        .cta-disclaimer a {
            color: var(--highlight);
            text-decoration: underline;
        }

        /* ===== News / CMS List ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: var(--gap-md);
        }
        .news-card {
            display: flex;
            gap: var(--gap-md);
            padding: 16px 20px;
            border-radius: var(--radius-md);
            background: var(--bg-card);
            border: 1px solid var(--border-accent);
            transition: var(--transition);
            align-items: flex-start;
        }
        .news-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-accent-hover);
            transform: translateX(4px);
        }
        .news-card .news-thumb {
            flex: 0 0 80px;
            width: 80px;
            height: 80px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            border: 1px solid var(--border-accent);
        }
        .news-card .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-card .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-card .news-info h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .news-info p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }
        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-disabled);
        }
        .news-card .news-meta .tag {
            padding: 2px 10px;
            border-radius: 10px;
            background: rgba(123, 45, 142, 0.12);
            color: var(--primary-light);
            font-weight: 500;
            font-size: 11px;
        }
        .news-empty {
            text-align: center;
            padding: 48px 20px;
            color: var(--text-disabled);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--border-accent);
            background: rgba(255, 255, 255, 0.02);
        }
        .news-empty i {
            font-size: 40px;
            color: var(--text-disabled);
            margin-bottom: 16px;
            opacity: 0.4;
        }
        .news-empty p {
            font-size: 15px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .faq-item {
            border-radius: var(--radius-md);
            border: 1px solid var(--border-accent);
            background: var(--bg-card);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-accent-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            transition: var(--transition);
            gap: 12px;
        }
        .faq-question:hover {
            color: var(--accent-light);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-accent);
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            border-color: var(--accent-light);
            color: var(--accent-light);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #06040E;
            border-top: 1px solid var(--border-accent);
            padding: 56px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--gap-xl);
            margin-bottom: var(--gap-xl);
        }
        .footer-col .footer-logo {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-col .footer-logo .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #fff;
        }
        .footer-col p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
            transform: translateX(4px);
        }
        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 16px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: 1px solid var(--border-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            transition: var(--transition);
            font-size: 16px;
        }
        .footer-social a:hover {
            border-color: var(--accent-light);
            color: var(--accent-light);
            background: rgba(255, 107, 53, 0.06);
            transform: translateY(-3px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--gap-md);
            font-size: 13px;
            color: var(--text-disabled);
        }
        .footer-bottom a {
            color: var(--text-secondary);
        }
        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 42px;
            }
            .grid-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-card .feat-img {
                flex: 0 0 50%;
                max-width: 50%;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .hero {
                min-height: 80vh;
                padding: 100px 0 60px;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero-sub {
                font-size: 17px;
            }
            .hero-stats {
                gap: var(--gap-md);
                margin-top: 36px;
            }
            .stat-badge {
                padding: 8px 16px;
                font-size: 12px;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .featured-card {
                flex-direction: column;
            }
            .featured-card .feat-img {
                flex: 0 0 200px;
                max-width: 100%;
                min-height: 200px;
                width: 100%;
            }
            .featured-card .feat-body {
                padding: 24px 20px;
            }
            .featured-card .feat-body h3 {
                font-size: 20px;
            }
            .grid-cards {
                grid-template-columns: 1fr;
            }
            .cta-content h2 {
                font-size: 28px;
            }
            .cta-form input {
                min-width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--gap-lg);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .news-card {
                flex-direction: column;
            }
            .news-card .news-thumb {
                width: 100%;
                height: 120px;
                flex: unset;
            }
            .section {
                padding: 40px 0;
            }
        }

        @media (max-width: 480px) {
            .hero h1 {
                font-size: 26px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .section-header h2 {
                font-size: 20px;
            }
            .scroll-card {
                width: 240px;
            }
            .stat-badge {
                font-size: 11px;
                padding: 6px 12px;
            }
            .stat-badge strong {
                font-size: 13px;
            }
            .featured-card .feat-body h3 {
                font-size: 18px;
            }
            .cta-content h2 {
                font-size: 24px;
            }
            .cta-content p {
                font-size: 15px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer p {
                font-size: 13px;
            }
            .container {
                padding: 0 14px;
            }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-deep);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--text-disabled);
            border-radius: 6px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-secondary);
        }

        /* ===== Misc Utilities ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .mt-2 {
            margin-top: var(--gap-lg);
        }
        .mb-2 {
            margin-bottom: var(--gap-lg);
        }
        .text-center {
            text-align: center;
        }
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeIn 0.6s ease forwards;
        }
        @keyframes fadeIn {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #7B2D8E;
            --primary-light: #9B3DB0;
            --secondary: #FF6B35;
            --secondary-light: #FF8A5C;
            --accent: #00E5FF;
            --accent-dim: rgba(0, 229, 255, 0.15);
            --bg-dark: #0A0618;
            --bg-card: #1A0D2E;
            --bg-card-80: rgba(26, 13, 46, 0.80);
            --bg-nav: rgba(10, 6, 24, 0.75);
            --text-primary: #F0EAF5;
            --text-secondary: #B8A9C9;
            --text-muted: #665A78;
            --border-glow: rgba(255, 107, 53, 0.15);
            --border-glow-hover: rgba(255, 107, 53, 0.30);
            --shadow-card: 0 8px 32px rgba(123, 45, 142, 0.30);
            --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.30);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --font-sans: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --font-num: 'Inter', system-ui, -apple-system, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --content-width: 800px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-primary);
            background: var(--bg-dark);
            background-image: radial-gradient(ellipse at 20% 20%, #1A0D2E 0%, #0A0618 70%);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-light);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--bg-nav);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-glow);
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }
        .header-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--secondary), var(--primary));
            border-radius: 10px;
            font-size: 20px;
            font-weight: 900;
            color: #fff;
            box-shadow: 0 0 20px rgba(255, 107, 53, 0.25);
        }
        .header-logo:hover {
            color: var(--text-primary);
            text-decoration: none;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav a {
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            transition: var(--transition);
            position: relative;
        }
        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
            text-decoration: none;
        }
        .main-nav a.active {
            color: var(--text-primary);
            background: rgba(255, 107, 53, 0.12);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--secondary);
            border-radius: 2px;
        }
        .nav-cta {
            background: linear-gradient(135deg, var(--secondary), var(--primary)) !important;
            color: #fff !important;
            padding: 10px 24px !important;
            border-radius: var(--radius-sm) !important;
            font-weight: 600 !important;
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.25);
            margin-left: 8px;
        }
        .nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(255, 107, 53, 0.35);
            background: linear-gradient(135deg, #FF8A5C, #9B3DB0) !important;
        }
        .nav-cta::after {
            display: none !important;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            border-radius: 6px;
            transition: var(--transition);
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-primary);
            border-radius: 4px;
            transition: var(--transition);
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        @media (max-width: 768px) {
            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(10, 6, 24, 0.96);
                backdrop-filter: blur(24px);
                flex-direction: column;
                padding: 20px 24px 28px;
                gap: 4px;
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                border-bottom: 1px solid var(--border-glow);
                max-height: calc(100vh - 80px);
                overflow-y: auto;
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .main-nav a {
                font-size: 17px;
                padding: 12px 16px;
                width: 100%;
                text-align: center;
                border-radius: 10px;
            }
            .main-nav a.active::after {
                bottom: 4px;
            }
            .nav-cta {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
                width: 100%;
            }
            .hamburger {
                display: flex;
            }
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-wrap {
            padding-top: 104px;
            padding-bottom: 12px;
            background: transparent;
        }
        .breadcrumb-wrap .container {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb-item {
            font-size: 14px;
            color: var(--text-muted);
        }
        .breadcrumb-item a {
            color: var(--text-secondary);
        }
        .breadcrumb-item a:hover {
            color: var(--accent);
        }
        .breadcrumb-item i {
            font-size: 10px;
            margin: 0 4px;
            color: var(--text-muted);
        }
        .breadcrumb-item.current {
            color: var(--text-secondary);
            max-width: 360px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ===== 文章主体 ===== */
        .article-main {
            padding: 28px 0 60px;
        }
        .article-inner {
            max-width: var(--content-width);
            margin: 0 auto;
        }

        .article-header {
            margin-bottom: 36px;
        }
        .article-header h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            background: linear-gradient(135deg, #F0EAF5 0%, #B8A9C9 60%, var(--secondary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px 24px;
            color: var(--text-muted);
            font-size: 14px;
            border-bottom: 1px solid var(--border-glow);
            padding-bottom: 18px;
        }
        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .meta-item i {
            font-size: 14px;
            color: var(--secondary);
        }
        .article-meta .meta-category {
            background: rgba(255, 107, 53, 0.12);
            color: var(--secondary-light);
            padding: 3px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            border: 1px solid rgba(255, 107, 53, 0.2);
        }
        .article-meta .meta-date {
            color: var(--text-secondary);
        }

        .article-body {
            font-size: 18px;
            line-height: 1.8;
            color: var(--text-primary);
        }
        .article-body p {
            margin-bottom: 1.5em;
        }
        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary-light);
            margin-top: 1.8em;
            margin-bottom: 0.8em;
            line-height: 1.4;
        }
        .article-body h3 {
            font-size: 20px;
            font-weight: 600;
            color: #C89BDE;
            margin-top: 1.4em;
            margin-bottom: 0.6em;
            line-height: 1.4;
        }
        .article-body blockquote {
            border-left: 4px solid var(--secondary);
            background: var(--bg-card-80);
            padding: 16px 24px;
            border-radius: 8px;
            margin: 1.5em 0;
            font-style: italic;
            color: var(--text-secondary);
        }
        .article-body blockquote p:last-child {
            margin-bottom: 0;
        }
        .article-body ul,
        .article-body ol {
            margin: 1em 0 1.5em 1.5em;
        }
        .article-body ul li {
            list-style: none;
            position: relative;
            padding-left: 24px;
            margin-bottom: 8px;
        }
        .article-body ul li::before {
            content: '▸';
            position: absolute;
            left: 0;
            color: var(--secondary);
            font-weight: 700;
        }
        .article-body ol li {
            list-style: decimal;
            margin-bottom: 8px;
            padding-left: 4px;
            color: var(--text-secondary);
        }
        .article-body a {
            color: var(--accent);
            border-bottom: 1px solid transparent;
        }
        .article-body a:hover {
            border-bottom-color: var(--accent);
        }
        .article-body img {
            border-radius: var(--radius-sm);
            margin: 1.5em auto;
            border: 1px solid var(--border-glow);
            box-shadow: var(--shadow-soft);
        }
        .article-body pre,
        .article-body code {
            font-family: 'JetBrains Mono', 'Fira Code', monospace;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 6px;
            padding: 2px 8px;
            font-size: 0.9em;
            color: var(--accent);
        }
        .article-body pre {
            padding: 16px 20px;
            overflow-x: auto;
            border: 1px solid var(--border-glow);
            margin: 1.5em 0;
            border-radius: var(--radius-sm);
        }
        .article-body pre code {
            background: none;
            padding: 0;
            color: inherit;
        }

        /* ===== 标签 ===== */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border-glow);
        }
        .article-tags .tag {
            background: rgba(123, 45, 142, 0.15);
            color: var(--text-secondary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            border: 1px solid rgba(123, 45, 142, 0.2);
            transition: var(--transition);
        }
        .article-tags .tag:hover {
            background: rgba(123, 45, 142, 0.25);
            border-color: var(--primary-light);
            color: var(--text-primary);
        }

        /* ===== 上下篇 ===== */
        .article-pager {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 44px;
            padding-top: 28px;
            border-top: 1px solid var(--border-glow);
        }
        .pager-item {
            background: var(--bg-card-80);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-sm);
            padding: 18px 22px;
            transition: var(--transition);
        }
        .pager-item:hover {
            border-color: var(--border-glow-hover);
            background: rgba(26, 13, 46, 0.95);
            transform: translateY(-2px);
            box-shadow: var(--shadow-soft);
        }
        .pager-item .pager-label {
            font-size: 12px;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 6px;
        }
        .pager-item .pager-label i {
            font-size: 12px;
        }
        .pager-item .pager-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .pager-item.next {
            text-align: right;
        }
        .pager-item.next .pager-label {
            justify-content: flex-end;
        }
        @media (max-width: 600px) {
            .article-pager {
                grid-template-columns: 1fr;
            }
            .pager-item.next {
                text-align: left;
            }
            .pager-item.next .pager-label {
                justify-content: flex-start;
            }
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            margin-top: 56px;
            padding-top: 32px;
            border-top: 1px solid var(--border-glow);
        }
        .related-section h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .related-section h2 i {
            color: var(--secondary);
            font-size: 22px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            background: var(--bg-card-80);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            cursor: pointer;
        }
        .related-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-glow-hover);
            box-shadow: var(--shadow-card);
        }
        .related-card .rc-cover {
            aspect-ratio: 16 / 9;
            background: #1A0D2E;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            border-bottom: 1px solid var(--border-glow);
        }
        .related-card .rc-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        .related-card .rc-body {
            padding: 14px 16px 18px;
        }
        .related-card .rc-body h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .rc-body p {
            font-size: 13px;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        @media (max-width: 900px) {
            .related-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 内容未找到 ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-card-80);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-glow);
        }
        .not-found-box .nf-icon {
            font-size: 60px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .not-found-box h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-muted);
            margin-bottom: 24px;
            font-size: 16px;
        }
        .not-found-box .btn-back {
            display: inline-block;
            background: linear-gradient(135deg, var(--secondary), var(--primary));
            color: #fff;
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.2);
        }
        .not-found-box .btn-back:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255, 107, 53, 0.35);
            color: #fff;
            text-decoration: none;
        }

        /* ===== 页脚（与首页一致） ===== */
        .site-footer {
            background: #06040E;
            border-top: 1px solid var(--border-glow);
            padding: 60px 0 28px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .footer-col p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            text-decoration: none;
            padding-left: 4px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .footer-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--secondary), var(--primary));
            border-radius: 10px;
            font-size: 18px;
            font-weight: 900;
            color: #fff;
        }
        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 6px;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            color: var(--text-muted);
            font-size: 16px;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: rgba(255, 107, 53, 0.12);
            border-color: var(--secondary);
            color: var(--secondary-light);
            text-decoration: none;
            transform: translateY(-2px);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px 24px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 768px) {
            .article-header h1 {
                font-size: 26px;
            }
            .article-body {
                font-size: 16px;
                line-height: 1.7;
            }
            .article-body h2 {
                font-size: 20px;
            }
            .article-body h3 {
                font-size: 18px;
            }
            .breadcrumb-wrap {
                padding-top: 92px;
            }
        }
        @media (max-width: 480px) {
            .article-header h1 {
                font-size: 22px;
            }
            .article-meta {
                gap: 10px 16px;
                font-size: 13px;
            }
            .article-body {
                font-size: 15px;
            }
            .related-section h2 {
                font-size: 22px;
            }
        }

        /* ===== 通用工具 ===== */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #7B2D8E;
            --primary-dark: #5C1D6E;
            --primary-light: #9B4DAE;
            --accent: #FF6B35;
            --accent-light: #FF8A5C;
            --accent-dark: #E05520;
            --highlight: #00E5FF;
            --bg-deep: #0A0618;
            --bg-card: #1A0D2E;
            --bg-card-hover: #22143A;
            --text-primary: #F0EAF5;
            --text-secondary: #B8A9C9;
            --text-muted: #665A78;
            --border-accent: rgba(255, 107, 53, 0.15);
            --border-accent-hover: rgba(255, 107, 53, 0.35);
            --border-glow: rgba(0, 229, 255, 0.2);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
            --shadow-card-hover: 0 8px 32px rgba(123, 45, 142, 0.35);
            --shadow-glow: 0 0 30px rgba(123, 45, 142, 0.25);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --font-sans: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --font-num: 'Inter', system-ui, -apple-system, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 72px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-primary);
            background: var(--bg-deep);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

        ul,
        ol {
            list-style: none;
        }

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

        button {
            cursor: pointer;
            background: none;
        }

        i {
            font-style: normal;
        }

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

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10, 6, 24, 0.65);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 107, 53, 0.08);
            transition: var(--transition);
            height: var(--header-height);
        }

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

        .header-left {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-weight: 900;
            font-size: 20px;
            flex-shrink: 0;
        }

        .logo-text {
            background: linear-gradient(135deg, #F0EAF5, #B8A9C9);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .main-nav a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 107, 53, 0.08);
        }

        .main-nav a.active {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.12);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--accent);
        }

        .main-nav .nav-cta {
            padding: 10px 28px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff !important;
            font-weight: 600;
            font-size: 15px;
            box-shadow: 0 4px 20px rgba(123, 45, 142, 0.3);
            transition: var(--transition);
            margin-left: 8px;
        }

        .main-nav .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 28px rgba(123, 45, 142, 0.45);
            filter: brightness(1.1);
            background: none;
            background-color: transparent;
            background-image: linear-gradient(135deg, var(--primary-light), var(--accent-light));
        }

        .main-nav .nav-cta:active {
            transform: translateY(0);
            filter: brightness(0.95);
        }

        /* Mobile menu toggle */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            background: none;
            border: none;
        }

        .menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        .menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            padding: 140px 0 80px;
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--bg-deep);
        }

        .category-hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.4;
            z-index: 0;
            transform: scale(1.05);
            animation: heroParallax 20s ease-in-out infinite alternate;
        }

        @keyframes heroParallax {
            0% {
                transform: scale(1.05) translate(0, 0);
            }
            100% {
                transform: scale(1.1) translate(-10px, -10px);
            }
        }

        .category-hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(10, 6, 24, 0.3) 0%, rgba(10, 6, 24, 0.85) 70%, var(--bg-deep) 100%);
            z-index: 1;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .category-hero-content {
            max-width: 720px;
        }

        .category-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(255, 107, 53, 0.15);
            border: 1px solid var(--accent);
            font-size: 13px;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .category-hero-badge i {
            font-size: 14px;
        }

        .category-hero h1 {
            font-size: 52px;
            font-weight: 900;
            line-height: 1.15;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #F0EAF5 20%, var(--primary-light) 50%, var(--accent) 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .category-hero p {
            font-size: 18px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 600px;
        }

        .category-hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            box-shadow: 0 4px 24px rgba(123, 45, 142, 0.35);
            transition: var(--transition);
            border: none;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(123, 45, 142, 0.5);
            filter: brightness(1.1);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            filter: brightness(0.95);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: var(--radius-md);
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 16px;
            border: 1.5px solid rgba(240, 234, 245, 0.3);
            transition: var(--transition);
        }

        .btn-secondary:hover {
            background: rgba(240, 234, 245, 0.08);
            border-color: var(--text-secondary);
            color: var(--text-primary);
            transform: translateY(-2px);
        }

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

        .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 48px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 16px;
            border-radius: 20px;
            background: rgba(255, 107, 53, 0.08);
            border: 1px solid rgba(255, 107, 53, 0.15);
            font-size: 14px;
            color: var(--text-secondary);
        }

        .hero-stat-item .stat-icon {
            font-size: 16px;
            color: var(--accent);
        }

        .hero-stat-item strong {
            color: var(--text-primary);
            font-weight: 700;
            font-size: 16px;
        }

        /* ===== Section Common ===== */
        .section {
            padding: 80px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }

        .section-header h2 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .section-header h2 .highlight {
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-header p {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-header .decor-line {
            display: inline-block;
            width: 60px;
            height: 4px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            margin-top: 16px;
        }

        /* ===== Features Grid ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            padding: 36px 28px;
            border-radius: var(--radius-lg);
            background: var(--bg-card);
            border: 1px solid var(--border-accent);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-accent-hover);
            box-shadow: var(--shadow-card-hover);
            background: var(--bg-card-hover);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(123, 45, 142, 0.2), rgba(255, 107, 53, 0.15));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--accent);
            margin-bottom: 20px;
            border: 1px solid rgba(255, 107, 53, 0.1);
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .feature-card p {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-secondary);
        }

        /* ===== Game Categories / Content Cards ===== */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .game-card {
            border-radius: var(--radius-lg);
            background: var(--bg-card);
            border: 1px solid var(--border-accent);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
        }

        .game-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-accent-hover);
            box-shadow: var(--shadow-card-hover);
        }

        .game-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
            border-bottom: 1px solid rgba(255, 107, 53, 0.06);
        }

        .game-card-body {
            padding: 24px 20px 20px;
        }

        .game-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .game-card-body p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .game-card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .game-card-meta i {
            margin-right: 4px;
            color: var(--accent);
        }

        .game-card-tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(0, 229, 255, 0.1);
            color: var(--highlight);
            border: 1px solid rgba(0, 229, 255, 0.15);
        }

        /* ===== Process / Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .step-card {
            text-align: center;
            padding: 32px 20px;
            border-radius: var(--radius-lg);
            background: var(--bg-card);
            border: 1px solid var(--border-accent);
            transition: var(--transition);
            position: relative;
        }

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

        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin: 0 auto 16px;
            box-shadow: 0 4px 16px rgba(123, 45, 142, 0.3);
        }

        .step-card h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== Scenarios ===== */
        .scenarios-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .scenario-item {
            display: flex;
            gap: 18px;
            padding: 24px 20px;
            border-radius: var(--radius-md);
            background: var(--bg-card);
            border: 1px solid var(--border-accent);
            transition: var(--transition);
        }

        .scenario-item:hover {
            border-color: var(--border-accent-hover);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }

        .scenario-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(255, 107, 53, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent);
        }

        .scenario-text h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text-primary);
        }

        .scenario-text p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            border-radius: var(--radius-md);
            background: var(--bg-card);
            border: 1px solid var(--border-accent);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            transition: var(--transition);
            user-select: none;
            gap: 16px;
        }

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

        .faq-toggle {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--accent);
            transition: var(--transition);
        }

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

        .faq-answer {
            padding: 0 24px 18px;
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-secondary);
            display: none;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, rgba(123, 45, 142, 0.15), rgba(255, 107, 53, 0.1));
            border-top: 1px solid var(--border-accent);
            border-bottom: 1px solid var(--border-accent);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(123, 45, 142, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 38px;
            font-weight: 800;
            margin-bottom: 12px;
            background: linear-gradient(135deg, #F0EAF5, var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .cta-content p {
            font-size: 17px;
            color: var(--text-secondary);
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border-radius: var(--radius-md);
            background: var(--bg-card);
            border: 1.5px solid #332A44;
            color: var(--text-primary);
            font-size: 15px;
            transition: var(--transition);
        }

        .cta-form input::placeholder {
            color: var(--text-muted);
        }

        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
        }

        .cta-form .btn-primary {
            flex-shrink: 0;
        }

        .cta-disclaimer {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 16px;
        }

        .cta-disclaimer a {
            color: var(--text-secondary);
            text-decoration: underline;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #06040E;
            padding: 60px 0 0;
            border-top: 1px solid rgba(255, 107, 53, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .footer-logo .logo-icon {
            width: 36px;
            height: 36px;
            font-size: 18px;
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-muted);
            margin-bottom: 20px;
            max-width: 320px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 17px;
            transition: var(--transition);
            border: 1px solid rgba(255, 107, 53, 0.06);
        }

        .footer-social a:hover {
            background: rgba(255, 107, 53, 0.15);
            color: var(--accent);
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 3px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--accent);
            transform: translateX(4px);
        }

        .footer-col ul li a i {
            font-size: 13px;
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .game-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .category-hero h1 {
                font-size: 40px;
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }

            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(10, 6, 24, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 6px;
                border-bottom: 1px solid rgba(255, 107, 53, 0.1);
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                pointer-events: none;
                align-items: stretch;
            }

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

            .main-nav a {
                padding: 12px 16px;
                font-size: 16px;
                border-radius: var(--radius-sm);
            }

            .main-nav a.active::after {
                display: none;
            }

            .main-nav a.active {
                background: rgba(255, 107, 53, 0.12);
            }

            .main-nav .nav-cta {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
                padding: 14px 28px;
            }

            .category-hero {
                padding: 120px 0 60px;
                min-height: auto;
            }
            .category-hero h1 {
                font-size: 32px;
            }
            .category-hero p {
                font-size: 16px;
            }
            .hero-stats {
                gap: 16px;
                margin-top: 32px;
            }
            .section {
                padding: 56px 0;
            }
            .section-header h2 {
                font-size: 28px;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .game-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .scenarios-list {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-content h2 {
                font-size: 28px;
            }
            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-form input {
                min-width: auto;
            }
            .hero-stat-item {
                font-size: 13px;
                padding: 6px 14px;
            }
            .hero-stat-item strong {
                font-size: 14px;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 0 16px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .category-hero p {
                font-size: 15px;
            }
            .category-hero-actions {
                flex-direction: column;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                flex-direction: column;
                gap: 10px;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .feature-card {
                padding: 24px 18px;
            }
            .game-card-body {
                padding: 16px 14px;
            }
            .faq-question {
                font-size: 15px;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 14px;
            }
            .cta-content h2 {
                font-size: 24px;
            }
            .logo {
                font-size: 18px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-deep);
        }
        ::-webkit-scrollbar-thumb {
            background: #332A44;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #4D3D5E;
        }

        /* ===== Selection ===== */
        ::selection {
            background: rgba(123, 45, 142, 0.4);
            color: #fff;
        }

        /* ===== Back to top ===== */
        .back-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            box-shadow: 0 4px 20px rgba(123, 45, 142, 0.3);
            z-index: 999;
            transition: var(--transition);
            opacity: 0;
            pointer-events: none;
            transform: translateY(20px);
        }

        .back-top.visible {
            opacity: 1;
            pointer-events: all;
            transform: translateY(0);
        }

        .back-top:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 28px rgba(123, 45, 142, 0.5);
            filter: brightness(1.1);
            color: #fff;
        }

        @media (max-width: 480px) {
            .back-top {
                bottom: 20px;
                right: 20px;
                width: 40px;
                height: 40px;
                font-size: 16px;
            }
        }

/* roulang page: category2 */
/* ===== CSS Design System ===== */
        :root {
            --primary: #7B2D8E;
            --primary-light: #9B4DB0;
            --primary-dark: #5A1D6A;
            --accent: #FF6B35;
            --accent-light: #FF8A5C;
            --accent-dark: #E05520;
            --highlight: #00E5FF;
            --highlight-dim: rgba(0, 229, 255, 0.2);
            --bg-deep: #0A0618;
            --bg-surface: #1A0D2E;
            --bg-surface-light: #241840;
            --text-primary: #F0EAF5;
            --text-secondary: #B8A9C9;
            --text-muted: #665A78;
            --border-accent: rgba(255, 107, 53, 0.15);
            --border-accent-hover: rgba(255, 107, 53, 0.35);
            --border-glow: rgba(123, 45, 142, 0.3);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 32px rgba(123, 45, 142, 0.25);
            --shadow-lg: 0 12px 48px rgba(123, 45, 142, 0.35);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --font-mono: 'Inter', 'SF Mono', monospace;
            --max-width: 1240px;
            --header-height: 72px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-primary);
            background: var(--bg-deep);
            background-image: radial-gradient(ellipse at 20% 50%, #1A0D2E 0%, #0A0618 70%);
            min-height: 100vh;
        }
        a {
            color: var(--highlight);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-light);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button,
        input,
        textarea {
            font-family: var(--font-sans);
            font-size: 1rem;
            border: none;
            outline: none;
            transition: var(--transition);
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }
        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-height);
            z-index: 1000;
            background: rgba(10, 6, 24, 0.7);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 107, 53, 0.08);
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-primary);
            text-decoration: none;
            flex-shrink: 0;
        }
        .logo:hover {
            color: var(--text-primary);
            text-decoration: none;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: var(--radius-sm);
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
        }
        .logo-text {
            background: linear-gradient(135deg, var(--text-primary), var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            text-decoration: none;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
            text-decoration: none;
        }
        .main-nav a.active {
            color: #fff;
            background: rgba(123, 45, 142, 0.35);
            box-shadow: 0 0 20px rgba(123, 45, 142, 0.15);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--accent)) !important;
            color: #fff !important;
            padding: 8px 24px !important;
            border-radius: var(--radius-md) !important;
            font-weight: 600 !important;
            box-shadow: 0 4px 16px rgba(123, 45, 142, 0.3);
        }
        .nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(123, 45, 142, 0.45) !important;
            background: linear-gradient(135deg, var(--primary-light), var(--accent-light)) !important;
            color: #fff !important;
            text-decoration: none !important;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        @media (max-width: 1024px) {
            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                width: 100%;
                background: rgba(10, 6, 24, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 107, 53, 0.1);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 16px;
                font-size: 1.05rem;
            }
            .main-nav a.active::after {
                display: none;
            }
            .nav-cta {
                text-align: center;
                margin-top: 8px;
            }
            .hamburger {
                display: flex;
            }
        }
        @media (max-width: 480px) {
            .logo-text {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1.1rem;
            }
        }
        /* ===== Hero ===== */
        .category-hero {
            padding: 140px 0 80px;
            position: relative;
            overflow: hidden;
            min-height: 480px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 6, 24, 0.88) 30%, rgba(123, 45, 142, 0.4) 70%, rgba(255, 107, 53, 0.15) 100%);
            z-index: 1;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .category-hero-content {
            max-width: 720px;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: 20px;
            background: rgba(255, 107, 53, 0.15);
            border: 1px solid rgba(255, 107, 53, 0.3);
            font-size: 0.85rem;
            color: var(--accent-light);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .category-hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent) 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-hero p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 600px;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(123, 45, 142, 0.3);
            transition: var(--transition);
            text-decoration: none;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(123, 45, 142, 0.45);
            color: #fff;
            text-decoration: none;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 12px rgba(123, 45, 142, 0.3);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1rem;
            border: 1.5px solid var(--text-secondary);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--text-primary);
            color: #fff;
            text-decoration: none;
        }
        @media (max-width: 768px) {
            .category-hero {
                padding: 120px 0 60px;
                min-height: 380px;
            }
            .category-hero h1 {
                font-size: 2.2rem;
            }
            .category-hero p {
                font-size: 1rem;
            }
            .hero-actions {
                flex-direction: column;
                gap: 12px;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
                justify-content: center;
            }
        }
        @media (max-width: 480px) {
            .category-hero h1 {
                font-size: 1.8rem;
            }
        }
        /* ===== Main Content + Sidebar ===== */
        .content-with-sidebar {
            padding: 60px 0 80px;
        }
        .content-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }
        .content-main {
            min-width: 0;
        }
        .content-sidebar {
            position: sticky;
            top: calc(var(--header-height) + 24px);
        }
        @media (max-width: 1024px) {
            .content-layout {
                grid-template-columns: 1fr 280px;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .content-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .content-sidebar {
                position: static;
            }
        }
        /* ===== Content Blocks ===== */
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 24px;
            color: var(--text-primary);
            line-height: 1.3;
        }
        .section-title .highlight {
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.6;
        }
        .intro-block {
            margin-bottom: 48px;
        }
        .intro-block p {
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }
        .intro-block p:last-child {
            margin-bottom: 0;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 48px;
        }
        .feature-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-accent);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: var(--transition);
        }
        .feature-card:hover {
            border-color: var(--border-accent-hover);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .feature-card .icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 16px;
            display: block;
        }
        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }
        /* ===== Steps / Flow ===== */
        .steps-section {
            margin-bottom: 48px;
        }
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: var(--bg-surface);
            border: 1px solid var(--border-accent);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            transition: var(--transition);
        }
        .step-item:hover {
            border-color: var(--border-accent-hover);
            box-shadow: var(--shadow-sm);
        }
        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
        }
        .step-content {
            flex: 1;
        }
        .step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-primary);
        }
        .step-content p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        @media (max-width: 480px) {
            .step-item {
                flex-direction: column;
                padding: 20px;
            }
            .step-number {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
        }
        /* ===== Sidebar ===== */
        .sidebar-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-accent);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            margin-bottom: 24px;
        }
        .sidebar-card:last-child {
            margin-bottom: 0;
        }
        .sidebar-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h4 i {
            color: var(--accent);
        }
        .sidebar-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .sidebar-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 0.95rem;
            transition: var(--transition);
            text-decoration: none;
            background: rgba(255, 255, 255, 0.02);
        }
        .sidebar-links a:hover {
            background: rgba(255, 107, 53, 0.08);
            color: var(--text-primary);
            text-decoration: none;
        }
        .sidebar-links a i {
            width: 20px;
            color: var(--accent);
            font-size: 0.9rem;
        }
        .sidebar-cta {
            background: linear-gradient(135deg, rgba(123, 45, 142, 0.2), rgba(255, 107, 53, 0.1));
            border: 1px solid rgba(255, 107, 53, 0.25);
            text-align: center;
            padding: 32px 20px;
        }
        .sidebar-cta h5 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .sidebar-cta p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 20px;
            line-height: 1.5;
        }
        .sidebar-cta .btn-primary {
            width: 100%;
            justify-content: center;
            padding: 12px 24px;
            font-size: 0.95rem;
        }
        .sidebar-hot-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .sidebar-hot-item {
            display: flex;
            gap: 12px;
            align-items: center;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.02);
            transition: var(--transition);
            cursor: pointer;
        }
        .sidebar-hot-item:hover {
            background: rgba(255, 107, 53, 0.06);
        }
        .sidebar-hot-item .rank {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--bg-surface-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--text-muted);
        }
        .sidebar-hot-item .rank.top {
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: #fff;
        }
        .sidebar-hot-item .info {
            flex: 1;
        }
        .sidebar-hot-item .info .name {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            display: block;
            margin-bottom: 2px;
        }
        .sidebar-hot-item .info .meta {
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        /* ===== FAQ ===== */
        .faq-section {
            padding: 60px 0 40px;
            background: rgba(26, 13, 46, 0.4);
            border-top: 1px solid var(--border-accent);
            border-bottom: 1px solid var(--border-accent);
        }
        .faq-section .section-title {
            text-align: center;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-surface);
            border: 1px solid var(--border-accent);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-accent-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            gap: 16px;
            transition: var(--transition);
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .faq-question .icon {
            flex-shrink: 0;
            font-size: 1.2rem;
            color: var(--accent);
            transition: var(--transition);
        }
        .faq-item.active .faq-question .icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        @media (max-width: 480px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 0.95rem;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.active .faq-answer {
                padding: 0 16px 16px;
            }
        }
        /* ===== CTA Section ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.1;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.2;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 520px;
            margin: 0 auto 16px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.12);
            border: 1.5px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            font-size: 1rem;
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .cta-form input:focus {
            border-color: var(--highlight);
            background: rgba(255, 255, 255, 0.18);
        }
        .cta-form .btn-primary {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
        }
        .cta-form .btn-primary:hover {
            background: var(--text-primary);
            color: var(--primary-dark);
        }
        .cta-disclaimer {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .cta-disclaimer a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: underline;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 60px 0;
            }
            .cta-section h2 {
                font-size: 1.8rem;
            }
            .cta-section p {
                font-size: 1rem;
            }
            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-form input {
                min-width: unset;
                width: 100%;
            }
            .cta-form .btn-primary {
                width: 100%;
                justify-content: center;
            }
        }
        /* ===== Footer ===== */
        .site-footer {
            background: #06040E;
            border-top: 1px solid rgba(255, 107, 53, 0.08);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-col .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer-col .footer-logo .logo-icon {
            width: 36px;
            height: 36px;
            font-size: 1.1rem;
        }
        .footer-col>p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 320px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-secondary);
            font-size: 1.1rem;
            transition: var(--transition);
            text-decoration: none;
        }
        .footer-social a:hover {
            background: rgba(255, 107, 53, 0.15);
            color: var(--accent);
            transform: translateY(-2px);
            text-decoration: none;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
            text-decoration: none;
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            font-size: 0.85rem;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-bottom a {
            color: var(--text-muted);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--accent-light);
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-col>p {
                max-width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        /* ===== Responsive Fine-tune ===== */
        @media (max-width: 1440px) {
            .container {
                max-width: 1200px;
            }
        }
        @media (max-width: 480px) {
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .feature-card {
                padding: 20px 16px;
            }
            .sidebar-card {
                padding: 20px 16px;
            }
        }
        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-deep);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-light);
        }
        /* ===== Smooth fade-in ===== */
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeInUp 0.6s ease forwards;
        }
        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-in:nth-child(2) {
            animation-delay: 0.1s;
        }
        .fade-in:nth-child(3) {
            animation-delay: 0.2s;
        }
        .fade-in:nth-child(4) {
            animation-delay: 0.3s;
        }