/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #7c3aed;
            --primary-light: #a78bfa;
            --primary-dark: #5b21b6;
            --secondary: #f472b6;
            --secondary-light: #fbcfe8;
            --accent: #fbbf24;
            --accent-dark: #f59e0b;
            --bg-dark: #0a0a1a;
            --bg-card: rgba(255, 255, 255, 0.04);
            --bg-card-hover: rgba(255, 255, 255, 0.08);
            --bg-surface: #12122a;
            --text-primary: #ffffff;
            --text-secondary: rgba(255, 255, 255, 0.75);
            --text-muted: rgba(255, 255, 255, 0.45);
            --border-color: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(255, 255, 255, 0.15);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.25);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 排版 ===== */
        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            background: linear-gradient(135deg, #fff 40%, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-subtitle {
            font-size: 1.125rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto 48px;
            text-align: center;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-title {
            text-align: center;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.625rem;
            }
            .section-subtitle {
                font-size: 1rem;
                margin-bottom: 32px;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ===== 导航栏 ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(10, 10, 26, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .header.scrolled {
            background: rgba(10, 10, 26, 0.96);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 900;
            color: #fff;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--primary-light);
        }
        .nav-search {
            flex: 1;
            max-width: 520px;
            margin: 0 16px;
            position: relative;
        }
        .nav-search form {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-color);
            border-radius: 100px;
            padding: 0 20px;
            transition: var(--transition);
        }
        .nav-search form:focus-within {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.1);
            box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.15);
        }
        .nav-search .search-icon {
            color: var(--text-muted);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .nav-search input {
            flex: 1;
            padding: 10px 12px;
            background: transparent;
            color: var(--text-primary);
            font-size: 0.95rem;
            min-width: 0;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .nav-search .search-btn {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            padding: 6px 18px;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 600;
            flex-shrink: 0;
            transition: var(--transition);
        }
        .nav-search .search-btn:hover {
            transform: scale(1.04);
            box-shadow: 0 4px 16px rgba(124, 58, 237, 0.35);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: 100px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-links a.active {
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.25), rgba(244, 114, 182, 0.15));
            color: var(--primary-light);
        }
        .nav-toggle {
            display: none;
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.06);
            font-size: 1.2rem;
            color: var(--text-primary);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(10, 10, 26, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            padding: 20px 24px;
            z-index: 999;
            transform: translateY(-120%);
            opacity: 0;
            transition: var(--transition);
        }
        .mobile-menu.open {
            transform: translateY(0);
            opacity: 1;
        }
        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 1rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }
        .mobile-menu a.active {
            color: var(--primary-light);
        }
        .mobile-menu .mobile-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-color);
            border-radius: 100px;
            padding: 0 16px;
            margin-bottom: 12px;
        }
        .mobile-menu .mobile-search input {
            flex: 1;
            padding: 10px 12px;
            background: transparent;
            color: var(--text-primary);
            font-size: 0.95rem;
        }
        .mobile-menu .mobile-search input::placeholder {
            color: var(--text-muted);
        }
        .mobile-menu .mobile-search .search-btn {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            padding: 6px 16px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        @media (max-width: 900px) {
            .nav-search {
                display: none;
            }
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-menu {
                display: block;
            }
        }
        @media (min-width: 901px) {
            .mobile-menu {
                display: none !important;
            }
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: calc(var(--header-height) + 40px) 0 80px;
            overflow: hidden;
            background: var(--bg-dark);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            z-index: 0;
        }
        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(124, 58, 237, 0.25) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 50%, rgba(244, 114, 182, 0.15) 0%, transparent 60%),
                linear-gradient(180deg, rgba(10, 10, 26, 0.4) 0%, var(--bg-dark) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
            padding: 0 24px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(124, 58, 237, 0.15);
            border: 1px solid rgba(124, 58, 237, 0.3);
            padding: 6px 18px;
            border-radius: 100px;
            font-size: 0.85rem;
            color: var(--primary-light);
            font-weight: 500;
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }
        .hero-badge i {
            font-size: 0.75rem;
        }
        .hero-title {
            font-size: clamp(2.2rem, 6vw, 4rem);
            font-weight: 900;
            line-height: 1.1;
            letter-spacing: -0.03em;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #ffffff 30%, var(--primary-light) 60%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.2rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 36px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 16px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 100px;
            font-size: 1.05rem;
            font-weight: 700;
            transition: var(--transition);
            box-shadow: 0 4px 24px rgba(124, 58, 237, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 8px 40px rgba(124, 58, 237, 0.45);
            color: #fff;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
            border: 1px solid var(--border-color);
            border-radius: 100px;
            font-size: 1.05rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--border-hover);
            color: var(--text-primary);
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
            margin-top: 48px;
            padding-top: 40px;
            border-top: 1px solid var(--border-color);
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat .num {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-stat .label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .hero {
                min-height: auto;
                padding: calc(var(--header-height) + 32px) 0 48px;
            }
            .hero-title {
                font-size: clamp(1.8rem, 8vw, 2.6rem);
            }
            .hero-desc {
                font-size: 1rem;
                margin-bottom: 28px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
                justify-content: center;
                padding: 14px 28px;
            }
            .hero-stats {
                gap: 24px;
                padding-top: 28px;
                margin-top: 32px;
            }
            .hero-stat .num {
                font-size: 1.5rem;
            }
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-surface);
        }
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
        }

        /* ===== 优势板块 ===== */
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .advantage-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            transition: var(--transition);
            backdrop-filter: blur(4px);
        }
        .advantage-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .advantage-card .icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 20px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        }
        .advantage-card .icon.gradient2 {
            background: linear-gradient(135deg, var(--secondary), #e040a0);
        }
        .advantage-card .icon.gradient3 {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
        }
        .advantage-card .icon.gradient4 {
            background: linear-gradient(135deg, #60a5fa, #3b82f6);
        }
        .advantage-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .advantage-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        @media (max-width: 1024px) {
            .advantages-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .advantages-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 游戏分类 ===== */
        .categories-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: pointer;
        }
        .category-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-hover);
            box-shadow: var(--shadow-md);
        }
        .category-card .img-wrap {
            height: 140px;
            overflow: hidden;
            background: var(--bg-surface);
        }
        .category-card .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .category-card:hover .img-wrap img {
            transform: scale(1.05);
        }
        .category-card .info {
            padding: 16px 18px 18px;
        }
        .category-card .info h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .category-card .info p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .category-card .tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(124, 58, 237, 0.15);
            color: var(--primary-light);
            margin-top: 8px;
        }
        .category-card .tag.hot {
            background: rgba(244, 114, 182, 0.15);
            color: var(--secondary);
        }
        .category-card .tag.new {
            background: rgba(251, 191, 36, 0.15);
            color: var(--accent);
        }
        @media (max-width: 1024px) {
            .categories-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .categories-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 最新资讯 (CMS 列表) ===== */
        .news-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .news-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .news-card .img-wrap {
            height: 180px;
            overflow: hidden;
            background: var(--bg-surface);
        }
        .news-card .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .news-card:hover .img-wrap img {
            transform: scale(1.05);
        }
        .news-card .body {
            padding: 20px 22px 24px;
        }
        .news-card .meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .news-card .meta .cat {
            padding: 2px 12px;
            border-radius: 100px;
            background: rgba(124, 58, 237, 0.12);
            color: var(--primary-light);
            font-weight: 600;
            font-size: 0.75rem;
        }
        .news-card .body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .body h3 a {
            color: var(--text-primary);
        }
        .news-card .body h3 a:hover {
            color: var(--primary-light);
        }
        .news-card .body p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-color);
            color: var(--text-muted);
            font-size: 1rem;
        }
        .news-empty i {
            font-size: 2.5rem;
            margin-bottom: 16px;
            display: block;
            opacity: 0.5;
        }

        @media (max-width: 1024px) {
            .news-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .news-list {
                grid-template-columns: 1fr;
            }
            .news-card .img-wrap {
                height: 160px;
            }
        }

        /* ===== 精选推荐 ===== */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .featured-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .featured-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-hover);
            box-shadow: var(--shadow-lg);
        }
        .featured-card .img-wrap {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .featured-card .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .featured-card:hover .img-wrap img {
            transform: scale(1.06);
        }
        .featured-card .overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px 20px 16px;
            background: linear-gradient(0deg, rgba(10, 10, 26, 0.9) 0%, transparent 100%);
        }
        .featured-card .overlay .badge {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 100px;
            font-size: 0.7rem;
            font-weight: 600;
            background: rgba(251, 191, 36, 0.2);
            color: var(--accent);
            margin-bottom: 6px;
        }
        .featured-card .overlay h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
        }
        .featured-card .info {
            padding: 16px 20px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .featured-card .info .rating {
            color: var(--accent);
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .featured-card .info .play-btn {
            padding: 6px 20px;
            border-radius: 100px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .featured-card .info .play-btn:hover {
            transform: scale(1.04);
            box-shadow: 0 4px 16px rgba(124, 58, 237, 0.35);
        }
        @media (max-width: 1024px) {
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .featured-grid {
                grid-template-columns: 1fr;
            }
            .featured-card .img-wrap {
                height: 180px;
            }
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            text-align: center;
            padding: 36px 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }
        .stat-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
            transform: translateY(-3px);
        }
        .stat-card .num {
            font-size: 2.5rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--accent), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .stat-card .num.purple {
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stat-card .num.blue {
            background: linear-gradient(135deg, #60a5fa, #3b82f6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stat-card .num.green {
            background: linear-gradient(135deg, #34d399, #10b981);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stat-card .label {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-top: 8px;
        }
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .stat-card .num {
                font-size: 2rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-hover);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            background: transparent;
            transition: var(--transition);
            gap: 16px;
        }
        .faq-question:hover {
            color: var(--primary-light);
        }
        .faq-question .icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(124, 58, 237, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--primary-light);
            transition: var(--transition);
        }
        .faq-item.open .faq-question .icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        @media (max-width: 768px) {
            .faq-question {
                padding: 16px 18px;
                font-size: 0.95rem;
            }
            .faq-answer {
                padding: 0 18px 16px;
                font-size: 0.9rem;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .cta-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.3), rgba(244, 114, 182, 0.15));
            z-index: 1;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .cta-content h2 {
            font-size: 2.5rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #fff, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .cta-content p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
        }
        .cta-content .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .cta-content .btn-primary {
            padding: 18px 44px;
            font-size: 1.1rem;
        }
        .cta-content .btn-secondary {
            padding: 18px 44px;
            font-size: 1.1rem;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-content h2 {
                font-size: 1.8rem;
            }
            .cta-content p {
                font-size: 1rem;
            }
            .cta-content .btn-group {
                flex-direction: column;
                width: 100%;
            }
            .cta-content .btn-primary,
            .cta-content .btn-secondary {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-surface);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo-text {
            font-size: 1.2rem;
            margin-bottom: 12px;
            display: block;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .footer-col a {
            display: block;
            padding: 4px 0;
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }
        .footer-bottom .links {
            display: flex;
            gap: 20px;
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom .links {
                flex-wrap: wrap;
                justify-content: center;
            }
        }

        /* ===== 滚动动画 ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== 工具类 ===== */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #6c5ce7;
            --primary-dark: #5a4bd1;
            --primary-light: #a29bfe;
            --secondary: #fd79a8;
            --secondary-dark: #e84393;
            --accent: #fdcb6e;
            --bg: #0f0a1e;
            --bg-card: #1a1230;
            --bg-card-hover: #221840;
            --bg-section: #120c24;
            --text: #f5f3ff;
            --text-secondary: #b8b0d4;
            --text-muted: #7a7299;
            --border: #2d2350;
            --border-light: #3d2f6a;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 16px 48px rgba(108, 92, 231, 0.25);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --container: 1200px;
            --header-h: 76px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

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

        /* ===== Header / Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 10, 30, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            height: var(--header-h);
            transition: var(--transition);
        }

        .header.scrolled {
            background: rgba(15, 10, 30, 0.96);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 4px 15px rgba(108, 92, 231, 0.4);
        }

        .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.5px;
        }

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

        /* Nav Search */
        .nav-search {
            flex: 1;
            max-width: 460px;
            margin: 0 10px;
        }

        .nav-search form {
            position: relative;
            display: flex;
            align-items: center;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            transition: var(--transition);
            overflow: hidden;
        }

        .nav-search form:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.2);
        }

        .nav-search .search-icon {
            position: absolute;
            left: 14px;
            color: var(--text-muted);
            font-size: 15px;
            pointer-events: none;
        }

        .nav-search input {
            flex: 1;
            padding: 10px 14px 10px 44px;
            background: transparent;
            color: var(--text);
            font-size: 14px;
            border: none;
            min-width: 0;
        }

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

        .nav-search .search-btn {
            padding: 10px 20px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-search .search-btn:hover {
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
        }

        /* Nav Links */
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .nav-links a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--text);
            background: rgba(108, 92, 231, 0.12);
        }

        .nav-links a.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 4px 15px rgba(108, 92, 231, 0.35);
        }

        /* Nav Toggle (mobile) */
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--text);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            flex-shrink: 0;
            background: var(--bg-card);
        }

        .nav-toggle:hover {
            border-color: var(--primary);
            color: var(--primary-light);
        }

        /* ===== Mobile Nav Drawer ===== */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--header-h);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 10, 30, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 999;
            padding: 30px 24px;
            flex-direction: column;
            gap: 16px;
            overflow-y: auto;
            opacity: 0;
            transform: translateY(-12px);
            transition: opacity 0.3s ease, transform 0.3s ease;
            pointer-events: none;
        }

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

        .mobile-drawer a {
            display: block;
            padding: 14px 20px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border);
            transition: var(--transition);
            text-align: center;
        }

        .mobile-drawer a:hover {
            color: var(--text);
            border-color: var(--primary);
            background: var(--bg-card-hover);
        }

        .mobile-drawer a.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-color: transparent;
        }

        /* ===== Page Banner ===== */
        .page-banner {
            padding: 120px 0 60px;
            background: linear-gradient(135deg, rgba(15, 10, 30, 0.92), rgba(26, 18, 48, 0.88)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            border-bottom: 1px solid var(--border);
            position: relative;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--bg), transparent);
        }

        .page-banner .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .page-banner h1 {
            font-size: 44px;
            font-weight: 800;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #fff, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-banner p {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 700px;
            margin: 0 auto 24px;
        }

        .page-banner .banner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .page-banner .banner-tags span {
            padding: 6px 18px;
            border-radius: 50px;
            background: rgba(108, 92, 231, 0.2);
            border: 1px solid var(--border-light);
            font-size: 13px;
            color: var(--text-secondary);
        }

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

        .section-label {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 50px;
            background: rgba(108, 92, 231, 0.15);
            border: 1px solid rgba(108, 92, 231, 0.25);
            font-size: 12px;
            font-weight: 600;
            color: var(--primary-light);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text);
        }

        .section-sub {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 640px;
            margin-bottom: 48px;
        }

        .section-title.center,
        .section-sub.center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .section-sub {
                font-size: 15px;
                margin-bottom: 32px;
            }
            .page-banner h1 {
                font-size: 30px;
            }
            .page-banner p {
                font-size: 15px;
            }
        }

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

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

        @media (max-width: 640px) {
            .game-grid {
                grid-template-columns: 1fr;
            }
        }

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

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

        .game-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
            display: block;
            transition: var(--transition);
        }

        .game-card:hover .card-img {
            transform: scale(1.03);
        }

        .game-card .card-body {
            padding: 20px 22px 24px;
        }

        .game-card .card-tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            background: rgba(108, 92, 231, 0.15);
            border: 1px solid rgba(108, 92, 231, 0.2);
            font-size: 11px;
            font-weight: 600;
            color: var(--primary-light);
            margin-bottom: 10px;
        }

        .game-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .game-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .game-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }

        .game-card .card-meta .rating {
            color: var(--accent);
            font-size: 14px;
        }

        .game-card .card-meta .rating span {
            color: var(--text-muted);
            font-size: 12px;
            margin-left: 4px;
        }

        .game-card .card-meta .play-btn {
            padding: 8px 22px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            transition: var(--transition);
        }

        .game-card .card-meta .play-btn:hover {
            transform: scale(1.04);
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.4);
        }

        /* ===== Featured / Large Card ===== */
        .featured-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }

        .featured-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }

        .featured-card .fc-img {
            width: 100%;
            height: 100%;
            min-height: 320px;
            object-fit: cover;
            border-radius: 0;
        }

        .featured-card .fc-body {
            padding: 40px 40px 40px 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .featured-card .fc-body .fc-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            background: rgba(253, 121, 168, 0.15);
            border: 1px solid rgba(253, 121, 168, 0.25);
            font-size: 12px;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 14px;
            align-self: flex-start;
        }

        .featured-card .fc-body h3 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--text);
        }

        .featured-card .fc-body p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .featured-card .fc-body .fc-btn {
            padding: 12px 32px;
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: #fff;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            align-self: flex-start;
            transition: var(--transition);
        }

        .featured-card .fc-body .fc-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(253, 121, 168, 0.35);
        }

        @media (max-width: 900px) {
            .featured-card {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .featured-card .fc-img {
                min-height: 240px;
                max-height: 300px;
            }
            .featured-card .fc-body {
                padding: 30px 24px;
            }
            .featured-card .fc-body h3 {
                font-size: 22px;
            }
        }

        /* ===== Stats Strip ===== */
        .stats-strip {
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.12), rgba(253, 121, 168, 0.08));
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 60px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }

        .stats-grid .stat-item .num {
            font-size: 42px;
            font-weight: 800;
            background: linear-gradient(135deg, #fff, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        .stats-grid .stat-item .label {
            font-size: 15px;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .stats-grid .stat-item .num {
                font-size: 32px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

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

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

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

        .faq-item .faq-q i {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .faq-item.open .faq-q i {
            transform: rotate(180deg);
            color: var(--primary-light);
        }

        .faq-item .faq-a {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.open .faq-a {
            padding: 0 24px 20px;
            max-height: 300px;
        }

        .faq-item .faq-a p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.15), rgba(253, 121, 168, 0.1)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            text-align: center;
            padding: 80px 0;
        }

        .cta-section h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 580px;
            margin: 0 auto 32px;
        }

        .cta-section .cta-btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        .cta-section .cta-btn-primary {
            padding: 14px 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 700;
            transition: var(--transition);
        }

        .cta-section .cta-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(108, 92, 231, 0.4);
        }

        .cta-section .cta-btn-secondary {
            padding: 14px 40px;
            background: transparent;
            color: var(--text);
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            border: 2px solid var(--border-light);
            transition: var(--transition);
        }

        .cta-section .cta-btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary-light);
        }

        @media (max-width: 640px) {
            .cta-section h2 {
                font-size: 26px;
            }
            .cta-section p {
                font-size: 15px;
            }
            .cta-section .cta-btn-primary,
            .cta-section .cta-btn-secondary {
                padding: 12px 28px;
                font-size: 14px;
            }
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-section);
            border-top: 1px solid var(--border);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .logo-text {
            font-size: 22px;
            margin-bottom: 16px;
            display: inline-block;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-top: 12px;
        }

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

        .footer-col a {
            display: block;
            padding: 5px 0;
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 28px;
            border-top: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom .links {
            display: flex;
            gap: 20px;
        }

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

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

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 540px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Responsive Nav ===== */
        @media (max-width: 900px) {
            .nav-search {
                display: none;
            }
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-drawer {
                display: flex;
            }
            /* show search in mobile drawer */
            .mobile-drawer .mobile-search {
                display: block;
                margin-bottom: 12px;
            }
            .mobile-drawer .mobile-search form {
                position: relative;
                display: flex;
                align-items: center;
                background: var(--bg-card);
                border-radius: var(--radius);
                border: 1px solid var(--border);
                overflow: hidden;
            }
            .mobile-drawer .mobile-search input {
                flex: 1;
                padding: 12px 16px 12px 44px;
                background: transparent;
                color: var(--text);
                font-size: 14px;
                border: none;
            }
            .mobile-drawer .mobile-search .search-icon {
                position: absolute;
                left: 14px;
                color: var(--text-muted);
                font-size: 15px;
            }
            .mobile-drawer .mobile-search button {
                padding: 12px 20px;
                background: linear-gradient(135deg, var(--primary), var(--primary-dark));
                color: #fff;
                font-size: 13px;
                font-weight: 600;
                border: none;
                cursor: pointer;
            }
        }

        @media (min-width: 901px) {
            .mobile-drawer {
                display: none !important;
            }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-light);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary);
        }

        /* ===== Focus ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
        }

        /* ===== Animations ===== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

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

        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }
        .delay-4 {
            animation-delay: 0.4s;
        }
        .delay-5 {
            animation-delay: 0.5s;
        }
        .delay-6 {
            animation-delay: 0.6s;
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-light: #3b82f6;
            --primary-bg: #eff6ff;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --accent-light: #fef3c7;
            --bg: #f8fafc;
            --bg-card: #ffffff;
            --bg-dark: #0f172a;
            --bg-gray: #f1f5f9;
            --text: #1e293b;
            --text-light: #64748b;
            --text-lighter: #94a3b8;
            --text-white: #ffffff;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -2px rgba(0,0,0,0.05);
            --shadow-lg: 0 10px 25px -3px rgba(0,0,0,0.1), 0 4px 8px -4px rgba(0,0,0,0.04);
            --shadow-xl: 0 20px 40px -5px rgba(0,0,0,0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --max-width: 1200px;
            --content-width: 820px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        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); }
        button { cursor: pointer; font-family: inherit; font-size: inherit; border: none; background: none; }
        input, textarea { font-family: inherit; font-size: inherit; outline: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text); }
        h1 { font-size: 2.25rem; }
        h2 { font-size: 1.75rem; }
        h3 { font-size: 1.375rem; }
        h4 { font-size: 1.125rem; }
        .container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
        .content-container { max-width: var(--content-width); margin: 0 auto; padding: 0 24px; }
        .section { padding: 80px 0; }
        .section-title { text-align: center; margin-bottom: 48px; }
        .section-title h2 { font-size: 2rem; margin-bottom: 12px; letter-spacing: -0.5px; }
        .section-title p { color: var(--text-light); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }
        .text-gradient { background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

        /* ===== Header / Nav ===== */
        .header {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 3px rgba(0,0,0,0.04);
            transition: var(--transition);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 800;
            box-shadow: 0 2px 8px rgba(37,99,235,0.3);
        }
        .logo-text { font-size: 1.25rem; font-weight: 800; color: var(--text); letter-spacing: -0.5px; }
        .logo-text span { color: var(--primary); }
        .logo:hover .logo-text { color: var(--primary); }
        .nav-search { flex: 1; max-width: 420px; }
        .nav-search form {
            position: relative;
            display: flex;
            align-items: center;
            background: var(--bg-gray);
            border-radius: 40px;
            border: 2px solid transparent;
            transition: var(--transition);
        }
        .nav-search form:focus-within {
            border-color: var(--primary);
            background: var(--bg-card);
            box-shadow: 0 0 0 4px rgba(37,99,235,0.1);
        }
        .nav-search .search-icon {
            position: absolute;
            left: 16px;
            color: var(--text-lighter);
            font-size: 0.95rem;
            pointer-events: none;
        }
        .nav-search input {
            width: 100%;
            padding: 10px 16px 10px 44px;
            background: transparent;
            border: none;
            font-size: 0.95rem;
            color: var(--text);
        }
        .nav-search input::placeholder { color: var(--text-lighter); }
        .nav-search .search-btn {
            background: var(--primary);
            color: #fff;
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 600;
            margin: 4px;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .nav-search .search-btn:hover { background: var(--primary-dark); transform: scale(1.02); }
        .nav-links { display: flex; align-items: center; gap: 4px; flex-shrink: 0; }
        .nav-links a {
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
            position: relative;
        }
        .nav-links a:hover { color: var(--primary); background: var(--primary-bg); }
        .nav-links a.active { color: var(--primary); background: var(--primary-bg); font-weight: 600; }
        .nav-toggle { display: none; flex-shrink: 0; width: 40px; height: 40px; align-items: center; justify-content: center; border-radius: 8px; color: var(--text); font-size: 1.3rem; transition: var(--transition); }
        .nav-toggle:hover { background: var(--bg-gray); }

        /* ===== 文章 Banner ===== */
        .article-banner {
            position: relative;
            padding: 80px 0 60px;
            background: var(--bg-dark);
            background-image: url('<?php echo $cmsBanner; ?>');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,23,42,0.88) 0%, rgba(15,23,42,0.6) 60%, rgba(37,99,235,0.25) 100%);
            z-index: 1;
        }
        .article-banner .container {
            position: relative;
            z-index: 2;
        }
        .article-banner .category-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(8px);
            color: #fff;
            padding: 6px 16px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 16px;
            border: 1px solid rgba(255,255,255,0.15);
        }
        .article-banner .category-tag i { font-size: 0.8rem; color: var(--accent); }
        .article-banner h1 {
            color: #fff;
            font-size: 2.5rem;
            max-width: 800px;
            line-height: 1.25;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 10px rgba(0,0,0,0.3);
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .article-meta span {
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta span i { font-size: 0.85rem; color: var(--accent); }
        .article-meta .author-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.8rem;
            font-weight: 700;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            padding: 16px 0;
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-light);
        }
        .breadcrumb .container {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .breadcrumb a { color: var(--text-light); }
        .breadcrumb a:hover { color: var(--primary); }
        .breadcrumb .sep { color: var(--text-lighter); font-size: 0.7rem; }
        .breadcrumb .current { color: var(--text); font-weight: 500; }

        /* ===== 文章主体 ===== */
        .article-main { padding: 48px 0 64px; }
        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .article-body .content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text);
        }
        .article-body .content p { margin-bottom: 1.5em; }
        .article-body .content img {
            border-radius: var(--radius);
            margin: 24px 0;
            box-shadow: var(--shadow);
            width: 100%;
        }
        .article-body .content h2 { margin-top: 40px; margin-bottom: 16px; font-size: 1.5rem; }
        .article-body .content h3 { margin-top: 32px; margin-bottom: 12px; font-size: 1.2rem; }
        .article-body .content ul, .article-body .content ol {
            margin-bottom: 1.5em;
            padding-left: 24px;
        }
        .article-body .content ul { list-style: disc; }
        .article-body .content ol { list-style: decimal; }
        .article-body .content li { margin-bottom: 6px; }
        .article-body .content blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-bg);
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
            color: var(--text-light);
            font-style: italic;
        }
        .article-body .content a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }
        .article-body .content a:hover { color: var(--primary-dark); }
        .article-body .content code {
            background: var(--bg-gray);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--primary-dark);
        }
        .article-body .content pre {
            background: var(--bg-dark);
            color: #e2e8f0;
            padding: 24px;
            border-radius: var(--radius);
            overflow-x: auto;
            margin: 24px 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .article-body .content pre code { background: none; color: inherit; padding: 0; }

        /* ===== 文章标签 & 分享 ===== */
        .article-footer-bar {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }
        .article-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .article-tags .tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--primary-bg);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .article-tags .tag:hover { background: var(--primary); color: #fff; }
        .article-share {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .article-share span { font-size: 0.9rem; color: var(--text-light); }
        .article-share a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-gray);
            color: var(--text-light);
            transition: var(--transition);
            font-size: 0.95rem;
        }
        .article-share a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

        /* ===== 文章导航 ===== */
        .article-nav {
            margin-top: 32px;
            display: flex;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .article-nav a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 12px 20px;
            border-radius: var(--radius);
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text);
            font-size: 0.95rem;
            transition: var(--transition);
            flex: 1;
            max-width: 48%;
        }
        .article-nav a:hover { border-color: var(--primary); color: var(--primary); box-shadow: var(--shadow); }
        .article-nav .next { text-align: right; justify-content: flex-end; }

        /* ===== 相关推荐 ===== */
        .related-section { background: var(--bg-gray); padding: 64px 0; }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
            box-shadow: var(--shadow);
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
        .related-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
        }
        .related-card .card-body { padding: 16px 20px 20px; }
        .related-card .card-body h4 { font-size: 1.05rem; margin-bottom: 8px; font-weight: 600; }
        .related-card .card-body h4 a { color: var(--text); }
        .related-card .card-body h4 a:hover { color: var(--primary); }
        .related-card .card-body p { color: var(--text-light); font-size: 0.9rem; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .related-card .card-meta { display: flex; align-items: center; justify-content: space-between; margin-top: 12px; font-size: 0.85rem; color: var(--text-lighter); }

        /* ===== CTA 区域 ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-dark) 0%, #1e3a5f 100%);
            padding: 64px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .container { position: relative; z-index: 1; }
        .cta-section h2 { color: #fff; font-size: 2rem; margin-bottom: 16px; }
        .cta-section p { color: rgba(255,255,255,0.7); font-size: 1.1rem; max-width: 600px; margin: 0 auto 32px; }
        .cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .cta-buttons .btn-primary {
            background: var(--accent);
            color: #1e293b;
            padding: 14px 36px;
            border-radius: 40px;
            font-size: 1.05rem;
            font-weight: 700;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-buttons .btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(245,158,11,0.35); }
        .cta-buttons .btn-outline {
            border: 2px solid rgba(255,255,255,0.25);
            color: #fff;
            padding: 14px 36px;
            border-radius: 40px;
            font-size: 1.05rem;
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-buttons .btn-outline:hover { border-color: var(--accent); color: var(--accent); background: rgba(255,255,255,0.05); }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 32px;
        }
        .footer .logo-text { color: #fff; }
        .footer .logo-text span { color: var(--primary-light); }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand p { font-size: 0.95rem; line-height: 1.7; margin-top: 12px; color: rgba(255,255,255,0.55); max-width: 360px; }
        .footer-col h4 { color: #fff; font-size: 1rem; font-weight: 600; margin-bottom: 16px; }
        .footer-col a { display: block; color: rgba(255,255,255,0.55); font-size: 0.9rem; margin-bottom: 10px; transition: var(--transition); }
        .footer-col a:hover { color: var(--primary-light); transform: translateX(4px); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.9rem;
        }
        .footer-bottom .links { display: flex; gap: 16px; }
        .footer-bottom .links a { color: rgba(255,255,255,0.5); font-size: 0.85rem; }
        .footer-bottom .links a:hover { color: var(--primary-light); }

        /* ===== 内容未找到 ===== */
        .not-found-wrap { text-align: center; padding: 80px 0; }
        .not-found-wrap .icon { font-size: 4rem; color: var(--text-lighter); margin-bottom: 20px; }
        .not-found-wrap h2 { font-size: 1.5rem; margin-bottom: 12px; }
        .not-found-wrap p { color: var(--text-light); margin-bottom: 24px; }
        .not-found-wrap .btn-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 12px 32px;
            border-radius: 40px;
            font-weight: 600;
            transition: var(--transition);
        }
        .not-found-wrap .btn-home:hover { background: var(--primary-dark); transform: translateY(-2px); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .article-banner h1 { font-size: 2rem; }
        }

        @media (max-width: 768px) {
            .header-inner { height: 60px; }
            .nav-links { display: none; }
            .nav-links.open { display: flex; position: absolute; top: 60px; left: 0; right: 0; background: var(--bg-card); flex-direction: column; padding: 16px 24px; gap: 4px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow-lg); z-index: 999; }
            .nav-links.open a { padding: 12px 16px; width: 100%; }
            .nav-toggle { display: flex; }
            .nav-search { max-width: 280px; }
            .nav-search input { padding: 8px 12px 8px 38px; font-size: 0.85rem; }
            .nav-search .search-btn { padding: 6px 14px; font-size: 0.8rem; }
            .section { padding: 48px 0; }
            .section-title { margin-bottom: 32px; }
            .section-title h2 { font-size: 1.5rem; }
            .article-banner { padding: 48px 0 36px; }
            .article-banner h1 { font-size: 1.5rem; }
            .article-body { padding: 24px 20px; }
            .article-body .content { font-size: 1rem; }
            .article-footer-bar { flex-direction: column; align-items: flex-start; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-section h2 { font-size: 1.5rem; }
            .cta-buttons .btn-primary, .cta-buttons .btn-outline { padding: 12px 24px; font-size: 0.95rem; width: 100%; justify-content: center; }
            .article-nav { flex-direction: column; }
            .article-nav a { max-width: 100%; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .header-inner { gap: 12px; }
            .logo-text { font-size: 1.05rem; }
            .logo-icon { width: 32px; height: 32px; font-size: 1rem; }
            .nav-search { max-width: 180px; }
            .nav-search input { padding: 6px 10px 6px 32px; font-size: 0.8rem; }
            .nav-search .search-icon { left: 10px; font-size: 0.8rem; }
            .nav-search .search-btn { padding: 4px 10px; font-size: 0.75rem; }
            .article-banner h1 { font-size: 1.25rem; }
            .article-meta { gap: 12px; font-size: 0.85rem; }
            .article-body { padding: 16px 16px; }
            .article-body .content { font-size: 0.95rem; }
            .related-card .card-img { height: 140px; }
            .cta-section h2 { font-size: 1.25rem; }
            .cta-section p { font-size: 0.95rem; }
            .footer { padding: 40px 0 24px; }
        }