/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a237e;
            --primary-dark: #0d1452;
            --primary-light: #3f4db8;
            --accent: #FF6B35;
            --accent-hover: #e85d2c;
            --gold: #F0C040;
            --gold-light: #fce8a0;
            --bg-light: #F5F7FA;
            --bg-dark: #0d1117;
            --bg-card: #ffffff;
            --text-dark: #1A1A2E;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --border-light: #E5E7EB;
            --border-focus: #FF6B35;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.10);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.14);
            --shadow-xl: 0 24px 64px rgba(0,0,0,0.18);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1280px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-dark);
            background: var(--bg-light);
            overflow-x: hidden;
        }
        a { text-decoration: none; color: inherit; transition: var(--transition); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button, input, textarea, select { font-family: inherit; font-size: inherit; outline: none; transition: var(--transition); }
        button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 2px solid var(--border-focus); outline-offset: 2px; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-dark); }
        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
        .section-padding { padding: 80px 0; }
        .section-title { font-size: 2.25rem; font-weight: 800; margin-bottom: 12px; letter-spacing: -0.02em; }
        .section-subtitle { font-size: 1.1rem; color: var(--text-muted); max-width: 640px; margin-bottom: 48px; line-height: 1.6; }
        .text-center { text-align: center; }
        .mx-auto { margin-left: auto; margin-right: auto; }

        /* ===== Buttons ===== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 36px;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-md);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            line-height: 1.2;
        }
        .btn-primary-custom {
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            color: #fff;
            box-shadow: 0 8px 24px rgba(255,107,53,0.35);
        }
        .btn-primary-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(255,107,53,0.45);
            color: #fff;
        }
        .btn-secondary-custom {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-secondary-custom:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-light-custom {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.6);
        }
        .btn-outline-light-custom:hover {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-sm-custom {
            padding: 10px 24px;
            font-size: 0.9rem;
            border-radius: var(--radius-sm);
        }

        /* ===== Badge / Tag ===== */
        .badge-custom {
            display: inline-block;
            padding: 6px 16px;
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: 50px;
            background: var(--gold-light);
            color: var(--primary-dark);
            letter-spacing: 0.02em;
        }
        .badge-accent {
            background: rgba(255,107,53,0.15);
            color: var(--accent);
        }
        .badge-primary {
            background: rgba(26,35,126,0.10);
            color: var(--primary);
        }

        /* ===== Header & Top Bar ===== */
        .top-bar {
            background: var(--primary-dark);
            color: rgba(255,255,255,0.8);
            font-size: 0.85rem;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }
        .top-bar a {
            color: rgba(255,255,255,0.8);
        }
        .top-bar a:hover {
            color: var(--gold);
        }
        .top-bar .top-bar-left {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .top-bar .top-bar-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .top-bar .top-bar-right i {
            margin-right: 4px;
            color: var(--gold);
        }

        /* ===== Header / Nav ===== */
        .main-header {
            background: #fff;
            box-shadow: 0 2px 12px rgba(0,0,0,0.04);
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: var(--transition);
        }
        .main-header.scrolled {
            box-shadow: 0 4px 24px rgba(0,0,0,0.08);
        }
        .main-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
        }
        .site-logo i {
            color: var(--accent);
            font-size: 1.8rem;
        }
        .site-logo span {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-logo:hover span {
            -webkit-text-fill-color: var(--accent);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .main-nav a {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-dark);
            padding: 8px 0;
            position: relative;
            transition: var(--transition);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
            transition: var(--transition);
        }
        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }
        .main-nav a:hover {
            color: var(--accent);
        }
        .main-nav a.active {
            color: var(--accent);
        }
        .nav-cta-btn {
            padding: 10px 24px;
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            color: #fff !important;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: 0 4px 16px rgba(255,107,53,0.30);
        }
        .nav-cta-btn::after {
            display: none !important;
        }
        .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255,107,53,0.40);
            color: #fff !important;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: var(--primary);
            cursor: pointer;
            background: none;
            border: none;
            padding: 4px;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 80vh;
            display: flex;
            align-items: center;
            background: var(--primary-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center center;
            background-blend-mode: overlay;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13,20,82,0.88) 0%, rgba(26,35,126,0.72) 50%, rgba(255,107,53,0.25) 100%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            padding-top: 40px;
            padding-bottom: 40px;
        }
        .hero-content {
            max-width: 720px;
        }
        .hero-badge {
            display: inline-block;
            padding: 8px 20px;
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(8px);
            border-radius: 50px;
            color: var(--gold);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 24px;
            letter-spacing: 0.04em;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.1;
            margin-bottom: 20px;
            letter-spacing: -0.03em;
        }
        .hero-title span {
            background: linear-gradient(135deg, var(--gold), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.8);
            margin-bottom: 36px;
            max-width: 600px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-top: 48px;
            padding-top: 36px;
            border-top: 1px solid rgba(255,255,255,0.12);
        }
        .hero-stat-item h3 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--gold);
            margin-bottom: 4px;
        }
        .hero-stat-item p {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.6);
        }

        /* ===== Intro Section ===== */
        .intro-section {
            background: #fff;
        }
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .intro-image img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }
        .intro-text h2 {
            font-size: 2.25rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .intro-text h2 span {
            color: var(--accent);
        }
        .intro-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1.05rem;
            line-height: 1.8;
        }
        .intro-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 24px;
        }
        .intro-feature-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            background: var(--bg-light);
            border-radius: var(--radius-sm);
            font-weight: 500;
        }
        .intro-feature-item i {
            color: var(--accent);
            font-size: 1.2rem;
        }

        /* ===== Categories Section ===== */
        .categories-section {
            background: var(--bg-light);
        }
        .categories-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .category-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .category-card-img {
            height: 240px;
            overflow: hidden;
            position: relative;
        }
        .category-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .category-card:hover .category-card-img img {
            transform: scale(1.05);
        }
        .category-card-img .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(13,20,82,0.5) 0%, transparent 60%);
        }
        .category-card-body {
            padding: 28px 28px 32px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card-body h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .category-card-body p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }
        .category-card-body .btn-custom {
            align-self: flex-start;
        }

        /* ===== Featured Games ===== */
        .featured-section {
            background: #fff;
        }
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .game-card {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .game-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .game-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .game-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .game-card:hover .game-card-img img {
            transform: scale(1.04);
        }
        .game-card-img .game-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 14px;
            background: var(--accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: 50px;
            letter-spacing: 0.02em;
        }
        .game-card-body {
            padding: 20px 22px 24px;
        }
        .game-card-body h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .game-card-body .game-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .game-card-body .game-meta i {
            margin-right: 4px;
        }
        .game-card-body .game-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .game-card-body .game-rating {
            display: flex;
            align-items: center;
            gap: 4px;
            color: var(--gold);
            font-size: 0.9rem;
            margin-top: 12px;
        }

        /* ===== Latest News (CMS) ===== */
        .news-section {
            background: var(--bg-light);
        }
        .news-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .news-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .news-card-img {
            height: 200px;
            overflow: hidden;
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .news-card:hover .news-card-img img {
            transform: scale(1.04);
        }
        .news-card-body {
            padding: 22px 24px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card-body .news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .news-card-body .news-meta .news-cat {
            padding: 2px 12px;
            background: var(--gold-light);
            color: var(--primary-dark);
            border-radius: 50px;
            font-weight: 600;
        }
        .news-card-body h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .news-card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }
        .news-card-body .news-link {
            font-weight: 600;
            color: var(--accent);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-card-body .news-link:hover {
            gap: 12px;
        }
        .empty-news {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            background: #fff;
            border-radius: var(--radius-md);
            color: var(--text-muted);
            font-size: 1.05rem;
        }
        .empty-news i {
            font-size: 2.5rem;
            color: var(--text-light);
            margin-bottom: 16px;
            display: block;
        }

        /* ===== Advantages ===== */
        .advantages-section {
            background: var(--primary-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
        }
        .advantages-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13,20,82,0.92) 0%, rgba(26,35,126,0.80) 100%);
        }
        .advantages-section .container {
            position: relative;
            z-index: 1;
        }
        .advantages-section .section-title {
            color: #fff;
        }
        .advantages-section .section-subtitle {
            color: rgba(255,255,255,0.7);
        }
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .advantage-card {
            background: rgba(255,255,255,0.06);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: var(--radius-md);
            padding: 32px 24px 28px;
            text-align: center;
            transition: var(--transition);
        }
        .advantage-card:hover {
            background: rgba(255,255,255,0.12);
            transform: translateY(-4px);
        }
        .advantage-card i {
            font-size: 2.5rem;
            color: var(--gold);
            margin-bottom: 20px;
            display: block;
        }
        .advantage-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .advantage-card p {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.7);
            line-height: 1.6;
        }

        /* ===== How to Use ===== */
        .howto-section {
            background: #fff;
        }
        .howto-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .howto-step {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-light);
            border-radius: var(--radius-md);
            position: relative;
            transition: var(--transition);
        }
        .howto-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .howto-step .step-number {
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            font-size: 1.4rem;
            font-weight: 800;
            border-radius: 50%;
            margin: 0 auto 20px;
            transition: var(--transition);
        }
        .howto-step:hover .step-number {
            background: var(--accent);
            transform: scale(1.08);
        }
        .howto-step h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .howto-step p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-light);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 28px;
            background: none;
            border: none;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            text-align: left;
            gap: 16px;
        }
        .faq-question i {
            color: var(--accent);
            font-size: 1.2rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 28px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 28px 24px;
        }
        .faq-answer p {
            color: var(--text-muted);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary-dark);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13,20,82,0.88) 0%, rgba(255,107,53,0.30) 100%);
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.8);
            max-width: 600px;
            margin: 0 auto 32px;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        /* ===== Footer ===== */
        .main-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 32px;
        }
        .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-brand .site-logo {
            color: #fff;
            font-size: 1.4rem;
            margin-bottom: 16px;
        }
        .footer-brand .site-logo span {
            -webkit-text-fill-color: #fff;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.6);
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.6);
        }
        .footer-col ul li a:hover {
            color: var(--gold);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 24px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.5);
        }
        .footer-bottom a:hover {
            color: var(--gold);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-title { font-size: 2.8rem; }
            .intro-grid { gap: 40px; }
            .advantages-grid { grid-template-columns: repeat(2, 1fr); }
            .howto-steps { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }

        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 24px 32px 32px;
                gap: 20px;
                box-shadow: 0 16px 48px rgba(0,0,0,0.12);
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                border-top: 1px solid var(--border-light);
                z-index: 999;
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
            }
            .main-nav a { font-size: 1.05rem; padding: 8px 0; }
            .hero { min-height: 60vh; }
            .hero-title { font-size: 2.2rem; }
            .hero-desc { font-size: 1rem; }
            .hero-stats { gap: 24px; }
            .hero-stat-item h3 { font-size: 1.5rem; }
            .section-title { font-size: 1.8rem; }
            .section-padding { padding: 56px 0; }
            .intro-grid { grid-template-columns: 1fr; gap: 32px; }
            .intro-image img { height: 280px; }
            .intro-features { grid-template-columns: 1fr; }
            .categories-grid { grid-template-columns: 1fr; gap: 24px; }
            .category-card-img { height: 200px; }
            .featured-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
            .news-grid { grid-template-columns: 1fr; gap: 20px; }
            .advantages-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
            .howto-steps { grid-template-columns: 1fr 1fr; gap: 16px; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-section h2 { font-size: 1.8rem; }
            .top-bar .top-bar-right span { display: none; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .hero-title { font-size: 1.8rem; }
            .hero-desc { font-size: 0.95rem; }
            .hero-actions { flex-direction: column; width: 100%; }
            .hero-actions .btn-custom { width: 100%; }
            .hero-stats { flex-direction: column; gap: 16px; }
            .section-title { font-size: 1.5rem; }
            .section-subtitle { font-size: 0.95rem; }
            .featured-grid { grid-template-columns: 1fr; }
            .advantages-grid { grid-template-columns: 1fr; }
            .howto-steps { grid-template-columns: 1fr; }
            .faq-question { padding: 16px 20px; font-size: 0.95rem; }
            .faq-item.active .faq-answer { padding: 0 20px 20px; }
            .category-card-body { padding: 20px 20px 24px; }
            .game-card-body { padding: 16px 18px 20px; }
            .news-card-body { padding: 18px 20px 22px; }
            .advantage-card { padding: 24px 16px 20px; }
            .howto-step { padding: 24px 16px; }
            .top-bar { font-size: 0.75rem; }
            .top-bar .top-bar-left { gap: 12px; }
            .site-logo { font-size: 1.3rem; }
            .cta-section h2 { font-size: 1.5rem; }
        }

        /* ===== Utility ===== */
        .mt-16 { margin-top: 16px; }
        .mb-16 { margin-bottom: 16px; }
        .gap-8 { gap: 8px; }
        .gap-12 { gap: 12px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .text-accent { color: var(--accent); }
        .text-gold { color: var(--gold); }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6C3CF5;
            --primary-dark: #5228D9;
            --primary-light: #8B6FF7;
            --primary-gradient: linear-gradient(135deg, #6C3CF5 0%, #FF6B9D 100%);
            --secondary: #FF6B9D;
            --secondary-light: #FF8FB8;
            --accent: #00D4AA;
            --accent-dark: #00B894;
            --dark: #0F0A1E;
            --dark-2: #1A1230;
            --dark-3: #251C40;
            --gray-100: #F7F5FC;
            --gray-200: #EDE9F5;
            --gray-300: #D5CCE8;
            --gray-400: #A99BC9;
            --gray-500: #7D6BA8;
            --gray-600: #5A4A87;
            --body-bg: #F8F7FC;
            --card-bg: #FFFFFF;
            --text-primary: #1A1230;
            --text-secondary: #5A4A87;
            --text-light: #A99BC9;
            --text-white: #FFFFFF;
            --border-color: #EDE9F5;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(108, 60, 245, 0.08);
            --shadow-md: 0 8px 30px rgba(108, 60, 245, 0.12);
            --shadow-lg: 0 20px 60px rgba(108, 60, 245, 0.18);
            --shadow-hover: 0 12px 40px rgba(108, 60, 245, 0.25);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1200px;
            --header-height: 80px;
            --topbar-height: 40px;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family);
            background: var(--body-bg);
            color: var(--text-primary);
            font-size: 16px;
            line-height: 1.7;
            padding-top: calc(var(--header-height) + var(--topbar-height));
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
        }
        p {
            margin-bottom: 0;
        }

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

        /* ===== 顶部信息条 ===== */
        .topbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--topbar-height);
            background: var(--dark);
            z-index: 1001;
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .topbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .topbar-left {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--gray-400);
        }
        .topbar-left i {
            color: var(--accent);
            font-size: 14px;
        }
        .topbar-left span {
            color: var(--gray-300);
        }
        .topbar-right {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
        }
        .topbar-right a {
            color: var(--gray-400);
            transition: var(--transition);
            font-size: 13px;
        }
        .topbar-right a:hover {
            color: var(--text-white);
        }
        .topbar-right .divider {
            color: var(--gray-600);
            font-size: 12px;
        }
        .topbar-phone {
            display: flex;
            align-items: center;
            gap: 4px;
            color: var(--accent) !important;
            font-weight: 500;
        }

        /* ===== 主导航 ===== */
        .main-header {
            position: fixed;
            top: var(--topbar-height);
            left: 0;
            width: 100%;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
            box-shadow: 0 1px 0 rgba(108, 60, 245, 0.05);
        }
        .main-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            width: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            text-decoration: none;
            flex-shrink: 0;
        }
        .site-logo i {
            font-size: 28px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-logo span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-logo:hover {
            opacity: 0.9;
            transform: scale(1.02);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .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;
            text-decoration: none;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 3px;
            background: var(--primary-gradient);
            border-radius: 3px;
            transition: var(--transition);
        }
        .main-nav a:hover {
            color: var(--primary);
            background: rgba(108, 60, 245, 0.06);
        }
        .main-nav a:hover::after {
            transform: translateX(-50%) scaleX(1);
        }
        .main-nav a.active {
            color: var(--primary);
            background: rgba(108, 60, 245, 0.08);
        }
        .main-nav a.active::after {
            transform: translateX(-50%) scaleX(1);
        }
        .main-nav .nav-cta-btn {
            background: var(--primary-gradient);
            color: var(--text-white) !important;
            padding: 10px 24px !important;
            border-radius: 50px !important;
            font-weight: 600;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 15px rgba(108, 60, 245, 0.35);
            margin-left: 8px;
        }
        .main-nav .nav-cta-btn i {
            font-size: 15px;
        }
        .main-nav .nav-cta-btn::after {
            display: none !important;
        }
        .main-nav .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(108, 60, 245, 0.45);
            color: var(--text-white) !important;
            background: var(--primary-gradient);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: none;
            cursor: pointer;
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-primary);
            border-radius: 3px;
            transition: var(--transition);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ===== 文章页 Banner ===== */
        .article-banner {
            position: relative;
            padding: 80px 0 60px;
            background: var(--dark);
            overflow: hidden;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.25;
            filter: blur(2px);
        }
        .article-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 10, 30, 0.92) 0%, rgba(26, 18, 48, 0.85) 100%);
        }
        .article-banner .container {
            position: relative;
            z-index: 2;
        }
        .article-banner .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--gray-400);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .article-banner .breadcrumb-custom a {
            color: var(--gray-400);
            transition: var(--transition);
        }
        .article-banner .breadcrumb-custom a:hover {
            color: var(--text-white);
        }
        .article-banner .breadcrumb-custom .separator {
            color: var(--gray-600);
            font-size: 12px;
        }
        .article-banner .breadcrumb-custom .current {
            color: var(--primary-light);
        }
        .article-banner .article-category-badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            background: rgba(108, 60, 245, 0.25);
            color: var(--primary-light);
            border: 1px solid rgba(108, 60, 245, 0.3);
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .article-banner h1 {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-white);
            max-width: 900px;
            line-height: 1.3;
            margin-bottom: 20px;
        }
        .article-banner .article-meta {
            display: flex;
            align-items: center;
            gap: 24px;
            font-size: 14px;
            color: var(--gray-400);
            flex-wrap: wrap;
        }
        .article-banner .article-meta i {
            margin-right: 6px;
            color: var(--primary-light);
        }
        .article-banner .article-meta span {
            display: flex;
            align-items: center;
        }

        /* ===== 文章主体 ===== */
        .article-main {
            padding: 60px 0 80px;
        }
        .article-content-wrapper {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }
        .article-body {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 48px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
        }
        .article-body .featured-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 40px;
            box-shadow: var(--shadow-sm);
        }
        .article-body .featured-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            transition: var(--transition);
        }
        .article-body .featured-image img:hover {
            transform: scale(1.02);
        }
        .article-body .content-text {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-secondary);
        }
        .article-body .content-text p {
            margin-bottom: 20px;
        }
        .article-body .content-text h2 {
            font-size: 26px;
            margin-top: 40px;
            margin-bottom: 18px;
            color: var(--text-primary);
        }
        .article-body .content-text h3 {
            font-size: 22px;
            margin-top: 32px;
            margin-bottom: 14px;
            color: var(--text-primary);
        }
        .article-body .content-text ul,
        .article-body .content-text ol {
            margin-bottom: 20px;
            padding-left: 24px;
        }
        .article-body .content-text li {
            margin-bottom: 8px;
            list-style: disc;
        }
        .article-body .content-text img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body .content-text blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 24px 0;
            background: var(--gray-100);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body .content-text a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body .content-text a:hover {
            color: var(--primary-dark);
        }
        .article-body .content-text .cms-table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        .article-body .content-text table {
            width: 100%;
            border-collapse: collapse;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        .article-body .content-text table th {
            background: var(--dark-2);
            color: var(--text-white);
            padding: 12px 18px;
            font-weight: 600;
        }
        .article-body .content-text table td {
            padding: 12px 18px;
            border-bottom: 1px solid var(--border-color);
        }
        .article-body .content-text table tr:nth-child(even) {
            background: var(--gray-100);
        }

        /* ===== 文章侧边栏 ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .sidebar-card .card-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-card .card-title i {
            color: var(--primary);
            font-size: 20px;
        }
        .sidebar-related-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .sidebar-related-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 12px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
            border: 1px solid transparent;
        }
        .sidebar-related-item:hover {
            background: var(--gray-100);
            border-color: var(--border-color);
            transform: translateX(4px);
        }
        .sidebar-related-item .item-img {
            width: 70px;
            height: 70px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--gray-200);
        }
        .sidebar-related-item .item-info {
            flex: 1;
            min-width: 0;
        }
        .sidebar-related-item .item-info .item-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 4px;
        }
        .sidebar-related-item .item-info .item-date {
            font-size: 12px;
            color: var(--text-light);
        }
        .sidebar-cat-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-cat-list a {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
            background: var(--gray-100);
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .sidebar-cat-list a:hover {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .sidebar-cta-card {
            background: var(--primary-gradient);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            color: var(--text-white);
            border: none;
        }
        .sidebar-cta-card h4 {
            color: var(--text-white);
            font-size: 20px;
            margin-bottom: 12px;
        }
        .sidebar-cta-card p {
            font-size: 14px;
            opacity: 0.9;
            margin-bottom: 20px;
            line-height: 1.6;
        }
        .sidebar-cta-card .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 50px;
            background: var(--text-white);
            color: var(--primary) !important;
            font-weight: 700;
            font-size: 15px;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .sidebar-cta-card .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
        }

        /* ===== 文章底部导航 ===== */
        .article-footer-nav {
            margin-top: 48px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 32px;
            border-top: 1px solid var(--border-color);
            flex-wrap: wrap;
            gap: 16px;
        }
        .article-footer-nav a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            background: var(--gray-100);
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 14px;
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }
        .article-footer-nav a:hover {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .article-footer-nav .back-home {
            background: transparent;
            border: 1px solid var(--border-color);
        }
        .article-footer-nav .back-home:hover {
            background: var(--gray-200);
            color: var(--text-primary);
            border-color: var(--gray-300);
        }

        /* ===== 相关内容板块 ===== */
        .related-section {
            padding: 60px 0 80px;
            background: var(--body-bg);
        }
        .related-section .section-title {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 8px;
            text-align: center;
        }
        .related-section .section-sub {
            text-align: center;
            color: var(--text-secondary);
            font-size: 16px;
            margin-bottom: 40px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            text-decoration: none;
            display: block;
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-light);
        }
        .related-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            background: var(--gray-200);
        }
        .related-card .card-body {
            padding: 20px 22px 24px;
        }
        .related-card .card-body .card-cat {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 8px;
            display: block;
        }
        .related-card .card-body .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body .card-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .related-card .card-body .card-meta {
            font-size: 13px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .related-card .card-body .card-meta i {
            margin-right: 4px;
        }

        /* ===== CTA 板块 ===== */
        .article-cta {
            padding: 60px 0;
            background: var(--dark);
            position: relative;
            overflow: hidden;
        }
        .article-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.15;
            filter: blur(1px);
        }
        .article-cta::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 10, 30, 0.95) 0%, rgba(26, 18, 48, 0.9) 100%);
        }
        .article-cta .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .article-cta h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .article-cta p {
            font-size: 17px;
            color: var(--gray-400);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .article-cta .cta-group {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .article-cta .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            border-radius: 50px;
            background: var(--primary-gradient);
            color: var(--text-white) !important;
            font-weight: 700;
            font-size: 16px;
            box-shadow: 0 8px 30px rgba(108, 60, 245, 0.4);
            transition: var(--transition);
            border: none;
        }
        .article-cta .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(108, 60, 245, 0.55);
        }
        .article-cta .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            border-radius: 50px;
            background: transparent;
            color: var(--text-white) !important;
            font-weight: 600;
            font-size: 16px;
            border: 2px solid rgba(255, 255, 255, 0.2);
            transition: var(--transition);
        }
        .article-cta .btn-outline-custom:hover {
            border-color: var(--primary-light);
            background: rgba(108, 60, 245, 0.15);
            transform: translateY(-3px);
        }

        /* ===== 页脚 ===== */
        .main-footer {
            background: var(--dark-2);
            color: var(--gray-400);
            padding: 60px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .main-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .main-footer .footer-brand .site-logo {
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .main-footer .footer-brand .site-logo span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .main-footer .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--gray-500);
            max-width: 320px;
        }
        .main-footer .footer-col h5 {
            color: var(--text-white);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 12px;
        }
        .main-footer .footer-col h5::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 3px;
            background: var(--primary-gradient);
            border-radius: 3px;
        }
        .main-footer .footer-col ul li {
            margin-bottom: 10px;
        }
        .main-footer .footer-col ul li a {
            color: var(--gray-500);
            font-size: 14px;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-footer .footer-col ul li a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }
        .main-footer .footer-col ul li a i {
            font-size: 14px;
            color: var(--primary-light);
            width: 18px;
        }
        .main-footer .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0;
            font-size: 13px;
            color: var(--gray-600);
            flex-wrap: wrap;
            gap: 12px;
        }
        .main-footer .footer-bottom a {
            color: var(--gray-500);
            transition: var(--transition);
        }
        .main-footer .footer-bottom a:hover {
            color: var(--primary-light);
        }
        .main-footer .footer-bottom span a {
            color: var(--gray-500);
        }

        /* ===== Not Found 状态 ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 24px;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
        }
        .not-found-box i {
            font-size: 64px;
            color: var(--gray-300);
            margin-bottom: 24px;
            display: block;
        }
        .not-found-box h2 {
            font-size: 28px;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .not-found-box p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-size: 16px;
        }
        .not-found-box .btn-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 50px;
            background: var(--primary-gradient);
            color: var(--text-white) !important;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(108, 60, 245, 0.3);
        }
        .not-found-box .btn-home:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(108, 60, 245, 0.45);
        }

        /* ===== 加载动画 ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-in {
            animation: fadeInUp 0.6s ease forwards;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .article-content-wrapper {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .main-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
                --topbar-height: 36px;
            }
            body {
                padding-top: calc(var(--header-height) + var(--topbar-height));
                font-size: 15px;
            }
            .topbar-left span {
                display: none;
            }
            .topbar-right .divider {
                display: none;
            }
            .topbar-right a:not(.topbar-phone) {
                display: none;
            }
            .main-nav {
                position: fixed;
                top: calc(var(--header-height) + var(--topbar-height));
                left: 0;
                width: 100%;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                border-bottom: 1px solid var(--border-color);
                max-height: 70vh;
                overflow-y: auto;
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
            }
            .main-nav a {
                width: 100%;
                text-align: center;
                padding: 12px 18px;
                font-size: 16px;
            }
            .main-nav a::after {
                display: none;
            }
            .main-nav a.active {
                background: rgba(108, 60, 245, 0.1);
                border-radius: var(--radius-sm);
            }
            .main-nav .nav-cta-btn {
                margin-left: 0;
                margin-top: 8px;
                justify-content: center;
                width: 100%;
            }
            .nav-toggle {
                display: flex;
            }
            .article-banner {
                padding: 40px 0 36px;
            }
            .article-banner h1 {
                font-size: 24px;
            }
            .article-banner .article-meta {
                gap: 12px;
                font-size: 13px;
                flex-wrap: wrap;
            }
            .article-body {
                padding: 24px 20px;
            }
            .article-body .content-text {
                font-size: 15px;
            }
            .article-body .content-text h2 {
                font-size: 22px;
            }
            .article-body .content-text h3 {
                font-size: 18px;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .related-section .section-title {
                font-size: 22px;
            }
            .article-cta h2 {
                font-size: 24px;
            }
            .article-cta .btn-primary-custom,
            .article-cta .btn-outline-custom {
                width: 100%;
                justify-content: center;
            }
            .main-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .main-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .sidebar-card {
                padding: 20px 18px;
            }
            .article-footer-nav {
                flex-direction: column;
                align-items: stretch;
            }
            .article-footer-nav a {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .article-banner h1 {
                font-size: 20px;
            }
            .article-body {
                padding: 18px 14px;
                border-radius: var(--radius-md);
            }
            .article-body .content-text {
                font-size: 14px;
            }
            .article-body .content-text h2 {
                font-size: 20px;
            }
            .article-body .content-text h3 {
                font-size: 17px;
            }
            .article-banner .article-category-badge {
                font-size: 12px;
                padding: 4px 14px;
            }
            .related-card .card-img {
                height: 160px;
            }
            .related-card .card-body {
                padding: 16px 18px 20px;
            }
            .article-cta h2 {
                font-size: 20px;
            }
            .article-cta p {
                font-size: 14px;
            }
            .sidebar-related-item .item-img {
                width: 56px;
                height: 56px;
            }
            .site-logo {
                font-size: 18px;
            }
            .site-logo i {
                font-size: 22px;
            }
            .not-found-box {
                padding: 40px 16px;
            }
            .not-found-box i {
                font-size: 48px;
            }
            .not-found-box h2 {
                font-size: 22px;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c5ce7;
            --primary-dark: #5a4bd1;
            --primary-light: #a29bfe;
            --secondary: #fd79a8;
            --accent: #fdcb6e;
            --bg-light: #f8f9fe;
            --bg-dark: #1a1a2e;
            --bg-card: #ffffff;
            --text-dark: #2d3436;
            --text-muted: #636e72;
            --text-light: #dfe6e9;
            --border-light: #e8eaf6;
            --shadow-sm: 0 2px 12px rgba(108, 92, 231, 0.08);
            --shadow-md: 0 6px 24px rgba(108, 92, 231, 0.12);
            --shadow-lg: 0 12px 40px rgba(108, 92, 231, 0.18);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --header-top-bg: #2d3436;
            --nav-bg: #ffffff;
            --footer-bg: #1a1a2e;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            color: var(--text-dark);
            background: var(--bg-light);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-dark);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== Header / 顶部信息条 ===== */
        .header-top {
            background: var(--header-top-bg);
            color: var(--text-light);
            padding: 8px 0;
            font-size: 13px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .header-top .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px 16px;
        }
        .header-top .top-left span {
            opacity: 0.8;
        }
        .header-top .top-left i {
            color: var(--accent);
            margin-right: 6px;
        }
        .header-top .top-right a {
            color: var(--text-light);
            margin-left: 18px;
            opacity: 0.85;
            font-size: 13px;
        }
        .header-top .top-right a:hover {
            opacity: 1;
            color: var(--accent);
        }
        .header-top .top-right i {
            margin-right: 4px;
        }

        /* ===== 主导航 ===== */
        .main-header {
            background: var(--nav-bg);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: var(--transition);
        }
        .main-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            padding-bottom: 12px;
            flex-wrap: nowrap;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            flex-shrink: 0;
        }
        .site-logo i {
            font-size: 28px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-logo span {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .main-nav a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 15px;
            color: var(--text-dark);
            white-space: nowrap;
            transition: var(--transition);
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            border-radius: 3px;
            background: var(--primary);
            transition: var(--transition);
        }
        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 50%;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: rgba(108, 92, 231, 0.06);
        }
        .main-nav a.active {
            color: var(--primary);
            background: rgba(108, 92, 231, 0.08);
        }
        .main-nav .nav-cta-btn {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff !important;
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(108, 92, 231, 0.3);
            margin-left: 10px;
        }
        .main-nav .nav-cta-btn::after {
            display: none;
        }
        .main-nav .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(108, 92, 231, 0.4);
            color: #fff !important;
            background: linear-gradient(135deg, var(--primary-dark), #4a3db8);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 26px;
            color: var(--text-dark);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(108, 92, 231, 0.08);
            color: var(--primary);
        }

        /* ===== Hero Banner (分类页) ===== */
        .category-hero {
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88), rgba(108, 92, 231, 0.82)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            color: #fff;
            padding: 60px 20px;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(253, 121, 168, 0.15), transparent 70%);
            pointer-events: none;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
        }
        .category-hero h1 {
            font-size: 48px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .category-hero h1 i {
            color: var(--accent);
            margin-right: 12px;
        }
        .category-hero p {
            font-size: 20px;
            opacity: 0.92;
            line-height: 1.6;
            max-width: 600px;
            margin: 0 auto 24px;
            color: var(--text-light);
        }
        .category-hero .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .category-hero .hero-tags span {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(6px);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 70px 0;
        }
        .section-block.bg-white {
            background: #fff;
        }
        .section-block.bg-light {
            background: var(--bg-light);
        }
        .section-block.bg-gradient {
            background: linear-gradient(135deg, var(--bg-light) 0%, #f0edff 100%);
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 12px;
        }
        .section-title h2 i {
            color: var(--primary);
            margin-right: 10px;
        }
        .section-title p {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }
        .section-title .divider {
            width: 60px;
            height: 4px;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            margin: 16px auto 0;
        }

        /* ===== 筛选标签 ===== */
        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-bottom: 40px;
        }
        .filter-tabs .filter-btn {
            padding: 8px 22px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            border: 2px solid var(--border-light);
            background: #fff;
            color: var(--text-muted);
            cursor: pointer;
            transition: var(--transition);
        }
        .filter-tabs .filter-btn:hover {
            border-color: var(--primary-light);
            color: var(--primary);
        }
        .filter-tabs .filter-btn.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(108, 92, 231, 0.25);
        }

        /* ===== 游戏卡片 ===== */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 28px;
        }
        .game-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .game-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
        }
        .game-card .card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: #eef0f7;
        }
        .game-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .game-card:hover .card-img img {
            transform: scale(1.06);
        }
        .game-card .card-img .badge-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(108, 92, 231, 0.3);
        }
        .game-card .card-img .badge-hot {
            background: var(--secondary);
            box-shadow: 0 2px 8px rgba(253, 121, 168, 0.3);
        }
        .game-card .card-img .badge-new {
            background: var(--accent);
            color: #2d3436;
            box-shadow: 0 2px 8px rgba(253, 203, 110, 0.3);
        }
        .game-card .card-body {
            padding: 20px 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .game-card .card-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .game-card .card-body .game-meta {
            display: flex;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .game-card .card-body .game-meta span i {
            margin-right: 4px;
            color: var(--primary);
        }
        .game-card .card-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }
        .game-card .card-body .card-actions {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }
        .game-card .card-body .card-actions .btn-download {
            background: var(--primary);
            color: #fff;
            padding: 8px 22px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            border: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            cursor: pointer;
        }
        .game-card .card-body .card-actions .btn-download:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 14px rgba(108, 92, 231, 0.25);
        }
        .game-card .card-body .card-actions .btn-like {
            background: transparent;
            border: 2px solid var(--border-light);
            color: var(--text-muted);
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
            transition: var(--transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .game-card .card-body .card-actions .btn-like:hover {
            border-color: var(--secondary);
            color: var(--secondary);
        }
        .game-card .card-body .card-actions .btn-like i {
            font-size: 14px;
        }
        .game-card .card-body .rating {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-bottom: 10px;
            font-size: 14px;
            color: var(--accent);
        }
        .game-card .card-body .rating span {
            color: var(--text-muted);
            margin-left: 6px;
            font-weight: 500;
        }

        /* ===== 榜单/特色区 ===== */
        .feature-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
        }
        .feature-item {
            background: #fff;
            padding: 32px 24px;
            border-radius: var(--radius-md);
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .feature-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .feature-item .icon {
            font-size: 40px;
            color: var(--primary);
            margin-bottom: 16px;
            display: inline-block;
            background: rgba(108, 92, 231, 0.08);
            width: 72px;
            height: 72px;
            line-height: 72px;
            border-radius: 50%;
        }
        .feature-item h4 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .feature-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== 评价/用户反馈 ===== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .review-card {
            background: #fff;
            padding: 24px 26px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .review-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .review-card .review-header {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 12px;
        }
        .review-card .review-header .avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-light), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }
        .review-card .review-header .reviewer-info h5 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 2px;
        }
        .review-card .review-header .reviewer-info .stars {
            color: var(--accent);
            font-size: 13px;
        }
        .review-card .review-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            font-style: italic;
        }
        .review-card .review-text::before {
            content: '\201C';
            font-size: 28px;
            color: var(--primary-light);
            font-weight: 700;
            line-height: 0;
            vertical-align: -6px;
            margin-right: 4px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-item .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            color: var(--text-dark);
            transition: var(--transition);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-item .faq-question:hover {
            color: var(--primary);
        }
        .faq-item .faq-question i {
            transition: transform 0.3s ease;
            color: var(--primary);
        }
        .faq-item .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 24px 18px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-item .faq-answer.show {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            text-align: center;
            padding: 64px 20px;
            border-radius: var(--radius-lg);
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-block::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -20%;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-block h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-block p {
            font-size: 18px;
            opacity: 0.9;
            max-width: 560px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 1;
        }
        .cta-block .cta-btn {
            background: #fff;
            color: var(--primary);
            padding: 14px 40px;
            border-radius: 50px;
            font-size: 17px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
            position: relative;
            z-index: 1;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .cta-block .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
            color: var(--primary-dark);
        }

        /* ===== 页脚 ===== */
        .main-footer {
            background: var(--footer-bg);
            color: var(--text-light);
            padding: 56px 0 0;
            margin-top: 0;
        }
        .main-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .main-footer .footer-brand .site-logo {
            font-size: 20px;
            margin-bottom: 14px;
        }
        .main-footer .footer-brand .site-logo span {
            background: linear-gradient(135deg, var(--primary-light), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .main-footer .footer-brand p {
            font-size: 14px;
            opacity: 0.7;
            line-height: 1.7;
            max-width: 300px;
        }
        .main-footer .footer-col h5 {
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .main-footer .footer-col h5::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }
        .main-footer .footer-col ul li {
            margin-bottom: 10px;
        }
        .main-footer .footer-col ul li a {
            color: var(--text-light);
            opacity: 0.7;
            font-size: 14px;
            transition: var(--transition);
        }
        .main-footer .footer-col ul li a:hover {
            opacity: 1;
            color: var(--primary-light);
            padding-left: 4px;
        }
        .main-footer .footer-col ul li a i {
            margin-right: 8px;
            width: 16px;
            color: var(--primary-light);
        }
        .main-footer .footer-bottom {
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            opacity: 0.7;
        }
        .main-footer .footer-bottom a {
            color: var(--text-light);
            opacity: 0.8;
        }
        .main-footer .footer-bottom a:hover {
            color: var(--primary-light);
            opacity: 1;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .main-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .category-hero h1 {
                font-size: 38px;
            }
        }

        @media (max-width: 768px) {
            .header-top .container {
                justify-content: center;
                text-align: center;
                font-size: 12px;
            }
            .header-top .top-right a {
                margin-left: 12px;
                font-size: 12px;
            }
            .main-header .container {
                flex-wrap: wrap;
                padding-top: 10px;
                padding-bottom: 10px;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding: 16px 0 8px;
                gap: 4px;
                border-top: 1px solid var(--border-light);
                margin-top: 10px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                text-align: left;
                padding: 10px 16px;
                border-radius: 6px;
            }
            .main-nav a::after {
                display: none;
            }
            .main-nav .nav-cta-btn {
                margin-left: 0;
                margin-top: 6px;
                text-align: center;
                justify-content: center;
            }
            .category-hero {
                min-height: 240px;
                padding: 40px 20px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero p {
                font-size: 16px;
            }
            .section-block {
                padding: 48px 0;
            }
            .section-title h2 {
                font-size: 26px;
            }
            .game-grid {
                grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
                gap: 20px;
            }
            .feature-list {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .review-grid {
                grid-template-columns: 1fr;
            }
            .cta-block {
                padding: 44px 20px;
            }
            .cta-block h2 {
                font-size: 26px;
            }
            .main-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .main-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .filter-tabs {
                gap: 8px;
            }
            .filter-tabs .filter-btn {
                padding: 6px 16px;
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero p {
                font-size: 14px;
            }
            .section-title h2 {
                font-size: 22px;
            }
            .game-grid {
                grid-template-columns: 1fr;
            }
            .feature-list {
                grid-template-columns: 1fr;
            }
            .game-card .card-body h3 {
                font-size: 18px;
            }
            .cta-block h2 {
                font-size: 22px;
            }
            .cta-block p {
                font-size: 15px;
            }
            .cta-block .cta-btn {
                padding: 12px 28px;
                font-size: 15px;
            }
            .header-top .top-right a {
                margin-left: 8px;
                font-size: 11px;
            }
            .header-top .top-left span {
                font-size: 11px;
            }
        }

        /* ===== 辅助 ===== */
        .text-primary-custom {
            color: var(--primary) !important;
        }
        .bg-primary-custom {
            background: var(--primary) !important;
        }
        .gap-2 {
            gap: 8px;
        }
        .gap-3 {
            gap: 16px;
        }
        .mt-2 {
            margin-top: 8px;
        }
        .mt-3 {
            margin-top: 16px;
        }
        .mt-4 {
            margin-top: 24px;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mb-2 {
            margin-bottom: 8px;
        }
        .mb-3 {
            margin-bottom: 16px;
        }
        .mb-4 {
            margin-bottom: 24px;
        }
        .text-center {
            text-align: center;
        }
        .fw-600 {
            font-weight: 600;
        }

/* roulang page: category2 */
/* ===== :root 设计变量 ===== */
        :root {
            --primary: #6c5ce7;
            --primary-dark: #5a4bd1;
            --primary-light: #a29bfe;
            --secondary: #fd79a8;
            --accent: #fdcb6e;
            --bg-body: #f8f9fc;
            --bg-white: #ffffff;
            --bg-light: #f0f2f8;
            --bg-dark: #1a1a2e;
            --text-primary: #2d3436;
            --text-secondary: #636e72;
            --text-light: #b2bec3;
            --text-white: #ffffff;
            --border-color: #e8e8f0;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 4px 12px rgba(108, 92, 231, 0.08);
            --shadow-md: 0 8px 28px rgba(108, 92, 231, 0.12);
            --shadow-lg: 0 16px 48px rgba(108, 92, 231, 0.18);
            --shadow-hover: 0 20px 56px rgba(108, 92, 231, 0.22);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --spacing-xl: 6rem;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }

        /* ===== 顶部信息条 ===== */
        .topbar {
            background: var(--bg-dark);
            color: var(--text-light);
            font-size: 0.85rem;
            padding: 0.4rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .topbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .topbar .topbar-left {
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }
        .topbar .topbar-left span {
            color: var(--text-light);
            font-size: 0.8rem;
        }
        .topbar .topbar-left span i {
            margin-right: 0.35rem;
            color: var(--accent);
        }
        .topbar .topbar-right {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .topbar .topbar-right a {
            color: var(--text-light);
            font-size: 0.8rem;
            transition: var(--transition);
        }
        .topbar .topbar-right a:hover {
            color: var(--accent);
        }
        .topbar .topbar-right .topbar-cta {
            background: var(--primary);
            color: #fff;
            padding: 0.2rem 0.9rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        .topbar .topbar-right .topbar-cta:hover {
            background: var(--primary-dark);
            color: #fff;
        }

        /* ===== 主导航 ===== */
        .main-nav-wrapper {
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 1050;
            border-bottom: 1px solid var(--border-color);
        }
        .main-nav-wrapper .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
        }
        .site-logo i {
            color: var(--primary);
            font-size: 1.8rem;
        }
        .site-logo span {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        .main-nav a {
            padding: 0.5rem 1.1rem;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            position: relative;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: rgba(108, 92, 231, 0.06);
        }
        .main-nav a.active {
            color: var(--primary);
            background: rgba(108, 92, 231, 0.1);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .main-nav .nav-cta-btn {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff !important;
            padding: 0.5rem 1.4rem !important;
            border-radius: 30px !important;
            font-weight: 600;
            margin-left: 0.5rem;
            box-shadow: 0 4px 14px rgba(108, 92, 231, 0.3);
        }
        .main-nav .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(108, 92, 231, 0.4);
            background: linear-gradient(135deg, var(--primary-dark), var(--secondary));
        }
        .main-nav .nav-cta-btn i {
            margin-right: 0.35rem;
        }

        /* 移动端导航切换 */
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 0.4rem 0.7rem;
            font-size: 1.4rem;
            color: var(--text-primary);
            cursor: pointer;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* ===== Hero / 页面横幅 ===== */
        .page-hero {
            background: linear-gradient(135deg, var(--bg-dark) 0%, #2d1b69 100%);
            min-height: 320px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: var(--spacing-lg) var(--spacing-sm);
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .page-hero .hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
        }
        .page-hero .hero-content .hero-badge {
            display: inline-block;
            background: rgba(253, 203, 110, 0.2);
            color: var(--accent);
            padding: 0.3rem 1.2rem;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(253, 203, 110, 0.3);
            margin-bottom: 1.2rem;
        }
        .page-hero .hero-content h1 {
            font-size: 3rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 1rem;
            letter-spacing: -1px;
            line-height: 1.2;
        }
        .page-hero .hero-content h1 span {
            background: linear-gradient(135deg, var(--accent), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero .hero-content p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            margin: 0 auto 1.8rem;
            line-height: 1.7;
        }
        .page-hero .hero-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        .page-hero .hero-actions .btn-hero-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            padding: 0.7rem 2rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            box-shadow: 0 6px 20px rgba(108, 92, 231, 0.35);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .page-hero .hero-actions .btn-hero-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(108, 92, 231, 0.45);
        }
        .page-hero .hero-actions .btn-hero-secondary {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            padding: 0.7rem 2rem;
            border-radius: 40px;
            font-weight: 500;
            font-size: 1rem;
            border: 1px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(4px);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .page-hero .hero-actions .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.4);
            transform: translateY(-3px);
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: var(--spacing-xl) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-lg);
        }
        .section-header .section-subtitle {
            display: inline-block;
            background: rgba(108, 92, 231, 0.1);
            color: var(--primary);
            padding: 0.25rem 1.2rem;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 0.8rem;
        }
        .section-header h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            margin-bottom: 0.8rem;
        }
        .section-header h2 span {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-header p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section-bg-light {
            background: var(--bg-light);
        }
        .section-bg-white {
            background: var(--bg-white);
        }
        .section-bg-dark {
            background: var(--bg-dark);
        }
        .section-bg-dark .section-header h2 {
            color: var(--text-white);
        }
        .section-bg-dark .section-header p {
            color: rgba(255, 255, 255, 0.7);
        }
        .section-bg-dark .section-header .section-subtitle {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent);
        }

        /* ===== 活动卡片 ===== */
        .event-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.8rem;
        }
        .event-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
        }
        .event-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-light);
        }
        .event-card .event-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
            display: block;
        }
        .event-card .event-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .event-card .event-tags {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-bottom: 0.8rem;
        }
        .event-card .event-tags .tag {
            background: rgba(108, 92, 231, 0.08);
            color: var(--primary);
            padding: 0.15rem 0.8rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        .event-card .event-tags .tag.hot {
            background: rgba(253, 121, 168, 0.12);
            color: var(--secondary);
        }
        .event-card .event-tags .tag.new {
            background: rgba(0, 204, 150, 0.12);
            color: #00cc96;
        }
        .event-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }
        .event-card .event-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 0.7rem;
        }
        .event-card .event-meta i {
            margin-right: 0.25rem;
            color: var(--primary-light);
        }
        .event-card .event-desc {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            flex: 1;
            margin-bottom: 1rem;
        }
        .event-card .event-footer-card {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 0.8rem;
            border-top: 1px solid var(--border-color);
        }
        .event-card .event-footer-card .event-progress {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        .event-card .event-footer-card .event-progress span {
            font-weight: 700;
            color: var(--primary);
        }
        .event-card .event-footer-card .btn-sm-event {
            background: var(--primary);
            color: #fff;
            padding: 0.3rem 1.2rem;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            transition: var(--transition);
            border: none;
        }
        .event-card .event-footer-card .btn-sm-event:hover {
            background: var(--primary-dark);
            transform: scale(1.04);
        }

        /* ===== 福利分类 Tab ===== */
        .category-tabs {
            display: flex;
            justify-content: center;
            gap: 0.6rem;
            flex-wrap: wrap;
            margin-bottom: 2.5rem;
        }
        .category-tabs .tab-btn {
            padding: 0.5rem 1.6rem;
            border-radius: 40px;
            border: 1px solid var(--border-color);
            background: var(--bg-white);
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .category-tabs .tab-btn:hover {
            border-color: var(--primary-light);
            color: var(--primary);
            background: rgba(108, 92, 231, 0.04);
        }
        .category-tabs .tab-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 14px rgba(108, 92, 231, 0.3);
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .stat-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 2rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .stat-item .stat-label {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-top: 0.4rem;
            font-weight: 500;
        }
        .stat-item .stat-icon {
            font-size: 2rem;
            color: var(--primary-light);
            margin-bottom: 0.8rem;
        }

        /* ===== 活动流程 ===== */
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            counter-reset: step;
        }
        .flow-step {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 2rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            position: relative;
            transition: var(--transition);
        }
        .flow-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .flow-step .step-number {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 700;
            margin: 0 auto 1rem;
        }
        .flow-step h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.4rem;
        }
        .flow-step p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 1.2rem 0;
        }
        .faq-item:first-child {
            border-top: 1px solid var(--border-color);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-primary);
            transition: var(--transition);
            padding: 0.3rem 0;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            color: var(--primary-light);
            transition: var(--transition);
            font-size: 1.1rem;
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 400px;
            padding-top: 0.8rem;
        }

        /* ===== CTA 区块 ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-dark), #2d1b69);
            padding: var(--spacing-lg) 0;
            text-align: center;
            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: 0.08;
            z-index: 0;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-section .cta-content h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.8rem;
        }
        .cta-section .cta-content p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            margin: 0 auto 2rem;
        }
        .cta-section .cta-content .btn-cta-primary {
            background: linear-gradient(135deg, var(--accent), #f39c12);
            color: #1a1a2e;
            padding: 0.8rem 2.8rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            border: none;
            box-shadow: 0 6px 24px rgba(253, 203, 110, 0.35);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }
        .cta-section .cta-content .btn-cta-primary:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(253, 203, 110, 0.45);
        }

        /* ===== 页脚 ===== */
        .main-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: var(--spacing-lg) 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .main-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 2.5rem;
            padding-bottom: var(--spacing-md);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .main-footer .footer-brand .site-logo {
            color: var(--text-white);
            margin-bottom: 1rem;
        }
        .main-footer .footer-brand .site-logo i {
            color: var(--primary-light);
        }
        .main-footer .footer-brand .site-logo span {
            background: linear-gradient(135deg, var(--primary-light), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .main-footer .footer-brand p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 360px;
        }
        .main-footer .footer-col h5 {
            color: var(--text-white);
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 1.2rem;
            letter-spacing: 0.3px;
        }
        .main-footer .footer-col ul li {
            margin-bottom: 0.6rem;
        }
        .main-footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .main-footer .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .main-footer .footer-col ul li a i {
            width: 18px;
            color: var(--primary-light);
        }
        .main-footer .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            padding: 1.5rem 0;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .main-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
            transition: var(--transition);
        }
        .main-footer .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .event-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .flow-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .main-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .page-hero .hero-content h1 {
                font-size: 2.4rem;
            }
            .section-header h2 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .topbar .topbar-left span {
                font-size: 0.7rem;
            }
            .topbar .topbar-left span.hide-mobile {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: var(--bg-white);
                box-shadow: var(--shadow-lg);
                padding: 1rem 1.5rem;
                border-top: 1px solid var(--border-color);
                gap: 0.3rem;
                z-index: 1040;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.7rem 1rem;
                border-radius: var(--radius-sm);
            }
            .main-nav a.active::after {
                display: none;
            }
            .main-nav .nav-cta-btn {
                margin-left: 0;
                margin-top: 0.5rem;
                text-align: center;
            }
            .page-hero {
                min-height: 260px;
                padding: var(--spacing-md) var(--spacing-sm);
            }
            .page-hero .hero-content h1 {
                font-size: 2rem;
            }
            .page-hero .hero-content p {
                font-size: 1rem;
            }
            .event-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .flow-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .section {
                padding: var(--spacing-lg) 0;
            }
            .section-header h2 {
                font-size: 1.7rem;
            }
            .main-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .main-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section .cta-content h2 {
                font-size: 1.8rem;
            }
            .category-tabs .tab-btn {
                padding: 0.4rem 1.2rem;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 520px) {
            .page-hero .hero-content h1 {
                font-size: 1.6rem;
            }
            .page-hero .hero-actions .btn-hero-primary,
            .page-hero .hero-actions .btn-hero-secondary {
                padding: 0.5rem 1.4rem;
                font-size: 0.9rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .flow-grid {
                grid-template-columns: 1fr;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .stat-item .stat-number {
                font-size: 2.2rem;
            }
            .faq-question {
                font-size: 0.95rem;
            }
            .main-footer .footer-brand p {
                font-size: 0.85rem;
            }
        }

        /* 回到顶部 */
        .back-to-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 50%;
            font-size: 1.3rem;
            box-shadow: var(--shadow-md);
            cursor: pointer;
            z-index: 1060;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
        }
        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: var(--primary-dark);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }