/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --clr-primary: #0d0d1a;
            --clr-secondary: #1a1a2e;
            --clr-accent: #f0c040;
            --clr-accent-hover: #dbaa2e;
            --clr-accent-soft: rgba(240, 192, 64, 0.12);
            --clr-hot: #e94560;
            --clr-bg: #0a0a14;
            --clr-card: #12121f;
            --clr-card-hover: #1a1a2e;
            --clr-text: #f0eef6;
            --clr-text-secondary: #a8a4bc;
            --clr-text-muted: #6a6680;
            --clr-border: rgba(240, 192, 64, 0.15);
            --clr-border-light: rgba(255, 255, 255, 0.06);
            --clr-nav-bg: rgba(13, 13, 26, 0.82);
            --clr-nav-border: rgba(240, 192, 64, 0.25);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --radius-full: 999px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.40);
            --shadow-card-hover: 0 12px 48px rgba(0, 0, 0, 0.55);
            --shadow-float: 0 8px 40px rgba(0, 0, 0, 0.50);
            --shadow-glow: 0 0 40px rgba(240, 192, 64, 0.08);
            --transition: 0.30s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --max-width: 1200px;
            --header-height: 76px;
        }

        /* ===== 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-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--clr-text);
            background: var(--clr-bg);
            min-height: 100vh;
        }
        a {
            color: var(--clr-accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover,
        a:focus-visible {
            color: var(--clr-accent-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: transparent;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-display);
            font-weight: 700;
            line-height: 1.25;
            color: var(--clr-text);
        }
        h1 {
            font-size: clamp(2.4rem, 6vw, 4.2rem);
        }
        h2 {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            letter-spacing: -0.02em;
        }
        h3 {
            font-size: clamp(1.2rem, 2.5vw, 1.5rem);
        }
        h4 {
            font-size: 1.15rem;
        }
        p {
            color: var(--clr-text-secondary);
            max-width: 70ch;
        }
        ::selection {
            background: var(--clr-accent);
            color: var(--clr-primary);
        }
        :focus-visible {
            outline: 2px solid var(--clr-accent);
            outline-offset: 2px;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 18px;
            }
        }

        /* ===== Header / Nav (悬浮胶囊) ===== */
        .site-header {
            position: fixed;
            top: 18px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 40px);
            max-width: 1100px;
            background: var(--clr-nav-bg);
            backdrop-filter: blur(20px) saturate(1.4);
            -webkit-backdrop-filter: blur(20px) saturate(1.4);
            border: 1px solid var(--clr-nav-border);
            border-radius: var(--radius-full);
            padding: 0 28px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 4px 32px rgba(0, 0, 0, 0.45), var(--shadow-glow);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--clr-text);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .site-header .logo .logo-icon {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--clr-accent), var(--clr-hot));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--clr-primary);
            font-weight: 900;
            flex-shrink: 0;
        }
        .site-header .logo span {
            background: linear-gradient(135deg, var(--clr-accent), #f7d875);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }
        .nav-list a {
            display: inline-flex;
            align-items: center;
            padding: 6px 18px;
            border-radius: var(--radius-full);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--clr-text-secondary);
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-list a:hover {
            color: var(--clr-text);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-list a.active {
            color: var(--clr-primary);
            background: var(--clr-accent);
            font-weight: 600;
            box-shadow: 0 2px 16px rgba(240, 192, 64, 0.30);
        }
        .nav-list a.active:hover {
            background: var(--clr-accent-hover);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            color: var(--clr-text);
            font-size: 1.3rem;
            align-items: center;
            justify-content: center;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        @media (max-width: 768px) {
            .site-header {
                top: 12px;
                width: calc(100% - 24px);
                padding: 0 16px;
                height: 54px;
                border-radius: var(--radius-lg);
            }
            .site-header .logo {
                font-size: 1.1rem;
            }
            .site-header .logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.85rem;
            }
            .nav-list {
                position: fixed;
                top: 72px;
                left: 12px;
                right: 12px;
                background: var(--clr-nav-bg);
                backdrop-filter: blur(24px) saturate(1.6);
                -webkit-backdrop-filter: blur(24px) saturate(1.6);
                border: 1px solid var(--clr-nav-border);
                border-radius: var(--radius-lg);
                padding: 12px;
                flex-direction: column;
                gap: 4px;
                display: none;
                box-shadow: var(--shadow-float);
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list a {
                width: 100%;
                padding: 10px 16px;
                border-radius: var(--radius-sm);
            }
            .nav-toggle {
                display: flex;
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 120px 24px 80px;
            background: var(--clr-primary) url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            isolation: isolate;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 13, 26, 0.70) 0%, rgba(13, 13, 26, 0.92) 100%);
            z-index: 0;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(240, 192, 64, 0.06) 0%, transparent 70%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            max-width: 860px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--clr-accent-soft);
            border: 1px solid rgba(240, 192, 64, 0.20);
            color: var(--clr-accent);
            padding: 6px 20px;
            border-radius: var(--radius-full);
            font-size: 0.82rem;
            font-weight: 500;
            margin-bottom: 28px;
            letter-spacing: 0.5px;
            backdrop-filter: blur(4px);
        }
        .hero-badge i {
            font-size: 0.7rem;
        }
        .hero h1 {
            margin-bottom: 20px;
            background: linear-gradient(135deg, #ffffff 30%, var(--clr-accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.15;
        }
        .hero p {
            font-size: clamp(1.05rem, 2vw, 1.25rem);
            color: var(--clr-text-secondary);
            max-width: 640px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            align-items: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            line-height: 1.2;
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--clr-accent), #dbaa2e);
            color: var(--clr-primary);
            box-shadow: 0 4px 24px rgba(240, 192, 64, 0.30);
        }
        .btn-primary:hover,
        .btn-primary:focus-visible {
            background: linear-gradient(135deg, #f5ce5e, var(--clr-accent-hover));
            box-shadow: 0 8px 40px rgba(240, 192, 64, 0.40);
            transform: translateY(-2px);
            color: var(--clr-primary);
        }
        .btn-secondary {
            background: rgba(255, 255, 255, 0.06);
            color: var(--clr-text);
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(4px);
        }
        .btn-secondary:hover,
        .btn-secondary:focus-visible {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.20);
            transform: translateY(-2px);
            color: var(--clr-text);
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 0.85rem;
            gap: 6px;
        }
        .hero-scroll {
            position: absolute;
            bottom: 40px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            color: var(--clr-text-muted);
            font-size: 0.8rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            animation: floatDown 2.6s ease-in-out infinite;
        }
        .hero-scroll i {
            font-size: 1.2rem;
        }
        @keyframes floatDown {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
                opacity: 0.5;
            }
            50% {
                transform: translateX(-50%) translateY(8px);
                opacity: 1;
            }
        }

        /* ===== Section Shared ===== */
        .section {
            padding: 90px 0;
        }
        .section-alt {
            background: var(--clr-card);
        }
        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-header h2 {
            margin-bottom: 12px;
        }
        .section-header p {
            margin: 0 auto;
            max-width: 600px;
            color: var(--clr-text-secondary);
            font-size: 1.05rem;
        }
        .section-label {
            display: inline-block;
            background: var(--clr-accent-soft);
            color: var(--clr-accent);
            padding: 4px 16px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 14px;
            border: 1px solid rgba(240, 192, 64, 0.12);
        }

        /* ===== 平台介绍 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--clr-card);
            border: 1px solid var(--clr-border-light);
            border-radius: var(--radius-md);
            padding: 36px 28px;
            text-align: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }
        .feature-card:hover {
            background: var(--clr-card-hover);
            border-color: var(--clr-border);
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
        }
        .feature-card .icon-wrap {
            width: 60px;
            height: 60px;
            margin: 0 auto 20px;
            background: var(--clr-accent-soft);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--clr-accent);
            transition: background var(--transition), transform var(--transition);
        }
        .feature-card:hover .icon-wrap {
            background: rgba(240, 192, 64, 0.18);
            transform: scale(1.04);
        }
        .feature-card h3 {
            margin-bottom: 10px;
            font-size: 1.2rem;
        }
        .feature-card p {
            font-size: 0.93rem;
            color: var(--clr-text-secondary);
            max-width: none;
        }

        @media (max-width: 900px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 560px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
            .feature-card {
                padding: 28px 20px;
            }
        }

        /* ===== 分类入口 ===== */
        .category-showcase {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .category-showcase .cat-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            height: 360px;
            background: var(--clr-secondary) url('/assets/images/coverpic/cover-1.png') center center / cover no-repeat;
            border: 1px solid var(--clr-border-light);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .category-showcase .cat-image:hover {
            transform: scale(1.01);
            box-shadow: var(--shadow-card-hover);
        }
        .category-showcase .cat-content h3 {
            font-size: clamp(1.4rem, 3vw, 1.9rem);
            margin-bottom: 16px;
        }
        .category-showcase .cat-content p {
            margin-bottom: 24px;
            font-size: 1rem;
            color: var(--clr-text-secondary);
        }
        .category-showcase .cat-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 24px;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--clr-border-light);
            padding: 4px 14px;
            border-radius: var(--radius-full);
            font-size: 0.80rem;
            color: var(--clr-text-secondary);
            transition: all var(--transition);
        }
        .tag:hover {
            background: var(--clr-accent-soft);
            border-color: rgba(240, 192, 64, 0.20);
            color: var(--clr-accent);
        }
        .tag i {
            font-size: 0.65rem;
            color: var(--clr-accent);
        }

        @media (max-width: 820px) {
            .category-showcase {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .category-showcase .cat-image {
                height: 240px;
                order: -1;
            }
        }

        /* ===== 最新资讯 (CMS列表) ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .news-card {
            background: var(--clr-card);
            border: 1px solid var(--clr-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-5px);
            border-color: var(--clr-border);
            box-shadow: var(--shadow-card-hover);
            background: var(--clr-card-hover);
        }
        .news-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
            display: block;
            background: var(--clr-secondary);
        }
        .news-card .card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.80rem;
            color: var(--clr-text-muted);
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .news-card .card-meta .cat-badge {
            background: var(--clr-accent-soft);
            color: var(--clr-accent);
            padding: 2px 12px;
            border-radius: var(--radius-full);
            font-size: 0.72rem;
            font-weight: 600;
            border: 1px solid rgba(240, 192, 64, 0.12);
        }
        .news-card .card-meta .date {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .news-card .card-meta .date i {
            font-size: 0.7rem;
        }
        .news-card h3 {
            font-size: 1.1rem;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .news-card h3 a {
            color: var(--clr-text);
            transition: color var(--transition);
        }
        .news-card h3 a:hover {
            color: var(--clr-accent);
        }
        .news-card .card-excerpt {
            font-size: 0.90rem;
            color: var(--clr-text-secondary);
            line-height: 1.65;
            margin-bottom: 16px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .card-footer-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--clr-accent);
            align-self: flex-start;
            transition: gap var(--transition);
        }
        .news-card .card-footer-link:hover {
            gap: 12px;
            color: var(--clr-accent-hover);
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            color: var(--clr-text-muted);
            background: var(--clr-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--clr-border-light);
        }
        .news-empty i {
            font-size: 2.4rem;
            margin-bottom: 16px;
            opacity: 0.4;
        }
        .news-empty p {
            font-size: 1rem;
            max-width: none;
        }

        @media (max-width: 820px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
            .news-card .card-img {
                height: 180px;
            }
        }
        @media (max-width: 520px) {
            .news-card .card-body {
                padding: 16px 18px 20px;
            }
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item {
            background: var(--clr-card);
            border: 1px solid var(--clr-border-light);
            border-radius: var(--radius-md);
            padding: 36px 16px;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }
        .stat-item:hover {
            background: var(--clr-card-hover);
            border-color: var(--clr-border);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .stat-item .stat-number {
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 800;
            font-family: var(--font-display);
            background: linear-gradient(135deg, var(--clr-accent), #f7d875);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-item .stat-label {
            font-size: 0.90rem;
            color: var(--clr-text-secondary);
            font-weight: 500;
        }
        .stat-item .stat-icon {
            font-size: 1.3rem;
            color: var(--clr-accent);
            margin-bottom: 12px;
            opacity: 0.7;
        }

        @media (max-width: 820px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 420px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .stat-item {
                padding: 24px 16px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--clr-card);
            border: 1px solid var(--clr-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
            box-shadow: var(--shadow-card);
        }
        .faq-item:hover {
            border-color: var(--clr-border);
        }
        .faq-item[open] {
            border-color: rgba(240, 192, 64, 0.20);
            box-shadow: var(--shadow-card-hover);
        }
        .faq-item summary {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 14px;
            color: var(--clr-text);
            list-style: none;
            transition: background var(--transition);
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::before {
            content: '\f059';
            font-family: 'Font Awesome 6 Free';
            font-weight: 400;
            font-size: 1rem;
            color: var(--clr-accent);
            flex-shrink: 0;
        }
        .faq-item summary::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            margin-left: auto;
            font-size: 1rem;
            color: var(--clr-text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item summary:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .faq-item .faq-body {
            padding: 0 24px 20px 58px;
            font-size: 0.93rem;
            color: var(--clr-text-secondary);
            line-height: 1.8;
        }
        @media (max-width: 560px) {
            .faq-item summary {
                padding: 14px 16px;
                font-size: 0.93rem;
            }
            .faq-item .faq-body {
                padding: 0 16px 16px 48px;
                font-size: 0.88rem;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--clr-card);
            border-top: 1px solid var(--clr-border-light);
            border-bottom: 1px solid var(--clr-border-light);
        }
        .cta-box {
            background: linear-gradient(135deg, rgba(240, 192, 64, 0.06), rgba(233, 69, 96, 0.04));
            border: 1px solid rgba(240, 192, 64, 0.12);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }
        .cta-box h2 {
            margin-bottom: 14px;
        }
        .cta-box p {
            margin: 0 auto 32px;
            max-width: 560px;
            font-size: 1.05rem;
            color: var(--clr-text-secondary);
        }
        .cta-box .btn {
            font-size: 1.05rem;
            padding: 16px 44px;
        }
        @media (max-width: 560px) {
            .cta-box {
                padding: 36px 20px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--clr-primary);
            border-top: 1px solid var(--clr-border-light);
            padding: 48px 0 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--clr-text);
            margin-bottom: 14px;
        }
        .footer-brand .logo .logo-icon {
            width: 30px;
            height: 30px;
            background: linear-gradient(135deg, var(--clr-accent), var(--clr-hot));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: var(--clr-primary);
            font-weight: 900;
            flex-shrink: 0;
        }
        .footer-brand .logo span {
            background: linear-gradient(135deg, var(--clr-accent), #f7d875);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--clr-text-muted);
            max-width: 320px;
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--clr-text);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--clr-text-muted);
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--clr-accent);
        }
        .footer-col ul li a i {
            font-size: 0.65rem;
            color: var(--clr-accent);
            opacity: 0.6;
        }
        .footer-bottom {
            border-top: 1px solid var(--clr-border-light);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--clr-text-muted);
        }
        .footer-bottom a {
            color: var(--clr-text-muted);
        }
        .footer-bottom a:hover {
            color: var(--clr-accent);
        }
        .footer-bottom .social-links {
            display: flex;
            gap: 14px;
        }
        .footer-bottom .social-links a {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.04);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
            color: var(--clr-text-muted);
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .footer-bottom .social-links a:hover {
            background: var(--clr-accent-soft);
            color: var(--clr-accent);
            border-color: rgba(240, 192, 64, 0.15);
            transform: translateY(-2px);
        }

        @media (max-width: 820px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 滚动栏辅助 ===== */
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-full);
            background: var(--clr-accent);
            color: var(--clr-primary);
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(240, 192, 64, 0.30);
            z-index: 900;
            opacity: 0;
            visibility: hidden;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }
        .scroll-top.visible {
            opacity: 1;
            visibility: visible;
        }
        .scroll-top:hover {
            background: var(--clr-accent-hover);
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(240, 192, 64, 0.40);
        }
        @media (max-width: 520px) {
            .scroll-top {
                bottom: 18px;
                right: 18px;
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
        }

        /* ===== 分隔线装饰 ===== */
        .divider {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--clr-accent), transparent);
            border-radius: var(--radius-full);
            margin: 0 auto 18px;
        }
        .divider.light {
            background: linear-gradient(90deg, var(--clr-accent), rgba(240, 192, 64, 0.10));
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #6c3af8;
            --primary-light: #8b5cf6;
            --primary-dark: #5a2dd6;
            --primary-bg: rgba(108, 58, 248, 0.08);
            --secondary: #f59e0b;
            --secondary-light: #fbbf24;
            --accent: #ec4899;
            --bg: #0f0f1a;
            --bg-card: #1a1a2e;
            --bg-card-hover: #222240;
            --bg-elevated: #252545;
            --text: #f1f5f9;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --border: #2a2a4a;
            --border-light: #3a3a5e;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --header-h: 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);
            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-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        a:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: 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: clamp(1.8rem, 5vw, 2.8rem);
        }
        h2 {
            font-size: clamp(1.4rem, 3.5vw, 2rem);
        }
        h3 {
            font-size: clamp(1.1rem, 2.5vw, 1.4rem);
        }
        p {
            margin-bottom: 1rem;
            color: var(--text-secondary);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== Header / Navigation (Capsule Style) ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 40px);
            max-width: 1100px;
            background: rgba(15, 15, 26, 0.82);
            backdrop-filter: blur(18px) saturate(1.3);
            -webkit-backdrop-filter: blur(18px) saturate(1.3);
            border: 1px solid var(--border);
            border-radius: 60px;
            padding: 0 28px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
            transition: background var(--transition), border-color var(--transition);
        }
        .site-header .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.5px;
        }
        .site-header .logo:hover {
            color: var(--text);
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 0 20px rgba(108, 58, 248, 0.3);
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list li a {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            position: relative;
        }
        .nav-list li a:hover {
            color: var(--text);
            background: var(--primary-bg);
        }
        .nav-list li a.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 4px 16px rgba(108, 58, 248, 0.35);
        }
        .nav-toggle {
            display: none;
            color: var(--text);
            font-size: 1.4rem;
            padding: 6px 10px;
            border-radius: 10px;
            background: var(--bg-card);
            border: 1px solid var(--border);
        }
        .nav-toggle:focus-visible {
            outline: 2px solid var(--secondary);
        }

        /* ===== Hero Banner (Article) ===== */
        .article-hero {
            padding: 140px 0 60px;
            background: linear-gradient(160deg, #1a1040 0%, #0f0f1a 60%, #1a0a2e 100%);
            position: relative;
            overflow: hidden;
            min-height: 300px;
            display: flex;
            align-items: center;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 860px;
        }
        .article-hero .breadcrumb {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .article-hero .breadcrumb a {
            color: var(--text-muted);
        }
        .article-hero .breadcrumb a:hover {
            color: var(--primary-light);
        }
        .article-hero .breadcrumb .sep {
            color: var(--border-light);
        }
        .article-hero h1 {
            font-size: clamp(1.6rem, 4vw, 2.6rem);
            font-weight: 800;
            background: linear-gradient(135deg, #fff 30%, var(--primary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
            line-height: 1.25;
        }
        .article-hero .meta {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .article-hero .meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-hero .meta i {
            color: var(--primary-light);
        }
        .article-hero .category-badge {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 30px;
            background: var(--primary-bg);
            color: var(--primary-light);
            font-size: 0.8rem;
            font-weight: 600;
            border: 1px solid rgba(108, 58, 248, 0.25);
        }

        /* ===== Article Content ===== */
        .article-section {
            padding: 50px 0 70px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            align-items: start;
        }
        .article-main {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 40px 44px;
            box-shadow: var(--shadow-md);
        }
        .article-main .featured-image {
            margin: -40px -44px 30px;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            overflow: hidden;
            max-height: 420px;
            background: var(--bg-elevated);
        }
        .article-main .featured-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-secondary);
        }
        .article-body p {
            margin-bottom: 1.2rem;
        }
        .article-body h2,
        .article-body h3 {
            margin-top: 2rem;
            margin-bottom: 0.8rem;
            color: var(--text);
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.2rem;
            padding-left: 1.6rem;
            color: var(--text-secondary);
        }
        .article-body li {
            margin-bottom: 0.4rem;
            list-style: disc;
        }
        .article-body a {
            color: var(--primary-light);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body a:hover {
            color: var(--secondary);
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            padding: 12px 20px;
            margin: 1.5rem 0;
            background: var(--primary-bg);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-sm);
        }
        .article-footer-meta {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .article-footer-meta .tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .article-footer-meta .tags span {
            padding: 4px 14px;
            border-radius: 30px;
            background: var(--bg-elevated);
            color: var(--text-secondary);
            font-size: 0.8rem;
            border: 1px solid var(--border-light);
        }
        .article-footer-meta .share {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .article-footer-meta .share a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-elevated);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .article-footer-meta .share a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 24px 22px;
            box-shadow: var(--shadow-sm);
        }
        .sidebar-card h3 {
            font-size: 1rem;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text);
        }
        .sidebar-card h3 i {
            color: var(--primary-light);
        }
        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
        }
        .sidebar-list li:last-child {
            border-bottom: none;
        }
        .sidebar-list li a {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .sidebar-list li a:hover {
            color: var(--primary-light);
        }
        .sidebar-list li a .num {
            font-size: 0.75rem;
            color: var(--text-muted);
            min-width: 22px;
            font-weight: 600;
        }
        .sidebar-list li a .s-title {
            flex: 1;
        }
        .sidebar-list li a .s-title small {
            display: block;
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .sidebar-cta {
            background: linear-gradient(145deg, var(--primary-dark), var(--primary));
            border: none;
            text-align: center;
            padding: 28px 22px;
        }
        .sidebar-cta h3 {
            color: #fff;
            justify-content: center;
        }
        .sidebar-cta p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.9rem;
            margin-bottom: 16px;
        }
        .sidebar-cta .btn {
            background: #fff;
            color: var(--primary-dark);
            padding: 10px 28px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-block;
            transition: all var(--transition);
        }
        .sidebar-cta .btn:hover {
            background: var(--secondary);
            color: #1a1a2e;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        /* ===== Related Posts ===== */
        .related-section {
            padding: 50px 0 70px;
            background: var(--bg);
            border-top: 1px solid var(--border);
        }
        .related-section .section-title {
            text-align: center;
            margin-bottom: 36px;
        }
        .related-section .section-title h2 {
            font-size: 1.6rem;
        }
        .related-section .section-title p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .related-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-md);
        }
        .related-card .card-img {
            height: 180px;
            background: var(--bg-elevated);
            overflow: hidden;
        }
        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .related-card:hover .card-img img {
            transform: scale(1.05);
        }
        .related-card .card-body {
            padding: 18px 20px 22px;
        }
        .related-card .card-body h3 {
            font-size: 1rem;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body h3 a {
            color: var(--text);
        }
        .related-card .card-body h3 a:hover {
            color: var(--primary-light);
        }
        .related-card .card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .related-card .card-body .meta-sm {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        .related-card .card-body .meta-sm .cat {
            padding: 2px 12px;
            border-radius: 30px;
            background: var(--primary-bg);
            color: var(--primary-light);
            font-size: 0.7rem;
            font-weight: 600;
        }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 20px;
        }
        .not-found-box .nf-icon {
            font-size: 4rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .not-found-box h2 {
            font-size: 1.8rem;
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .not-found-box .btn {
            display: inline-block;
            padding: 12px 36px;
            border-radius: 30px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 600;
            transition: all var(--transition);
            box-shadow: 0 4px 20px rgba(108, 58, 248, 0.3);
        }
        .not-found-box .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(108, 58, 248, 0.45);
            color: #fff;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border);
            padding: 56px 0 30px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .site-footer .footer-brand .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
        }
        .site-footer .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 380px;
        }
        .site-footer .footer-col h4 {
            font-size: 0.95rem;
            margin-bottom: 16px;
            color: var(--text);
        }
        .site-footer .footer-col ul li {
            margin-bottom: 10px;
        }
        .site-footer .footer-col ul li a {
            font-size: 0.9rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition);
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--primary-light);
        }
        .site-footer .footer-col ul li a i {
            font-size: 0.65rem;
            color: var(--primary-light);
        }
        .site-footer .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            font-size: 0.85rem;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 16px;
        }
        .site-footer .social-links {
            display: flex;
            gap: 12px;
        }
        .site-footer .social-links a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-elevated);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            border: 1px solid var(--border);
            transition: all var(--transition);
            font-size: 1rem;
        }
        .site-footer .social-links a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .site-header {
                top: 12px;
                width: calc(100% - 24px);
                padding: 0 16px;
                height: 54px;
                border-radius: 40px;
            }
            .site-header .logo {
                font-size: 1.05rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.7rem;
            }
            .nav-list {
                position: fixed;
                top: 68px;
                left: 12px;
                right: 12px;
                background: rgba(20, 20, 36, 0.96);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                border: 1px solid var(--border);
                border-radius: 20px;
                padding: 12px 8px;
                flex-direction: column;
                gap: 4px;
                display: none;
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                width: 100%;
                text-align: center;
                padding: 12px 16px;
                font-size: 1rem;
            }
            .nav-toggle {
                display: block;
            }
            .article-hero {
                padding: 120px 0 40px;
                min-height: auto;
            }
            .article-hero h1 {
                font-size: 1.5rem;
            }
            .article-hero .meta {
                gap: 12px;
                font-size: 0.8rem;
            }
            .article-main {
                padding: 24px 18px;
            }
            .article-main .featured-image {
                margin: -24px -18px 20px;
                max-height: 220px;
            }
            .article-body {
                font-size: 0.95rem;
            }
            .article-footer-meta {
                flex-direction: column;
                align-items: flex-start;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .site-header {
                top: 10px;
                width: calc(100% - 16px);
                padding: 0 12px;
                height: 50px;
                border-radius: 30px;
            }
            .site-header .logo {
                font-size: 0.95rem;
                gap: 6px;
            }
            .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.6rem;
            }
            .article-hero h1 {
                font-size: 1.25rem;
            }
            .article-main {
                padding: 18px 14px;
            }
            .article-main .featured-image {
                margin: -18px -14px 16px;
                max-height: 170px;
            }
            .article-body {
                font-size: 0.9rem;
            }
            .sidebar-card {
                padding: 18px 16px;
            }
            .related-card .card-img {
                height: 150px;
            }
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --color-primary: #6c3bf1;
            --color-primary-dark: #5429c4;
            --color-primary-light: #8f6ff5;
            --color-secondary: #f5a623;
            --color-secondary-dark: #d48e1a;
            --color-accent: #ff6b6b;
            --color-bg: #0f0b1a;
            --color-bg-alt: #1a1430;
            --color-bg-card: #221d3a;
            --color-bg-card-hover: #2d2550;
            --color-text: #f0ecf9;
            --color-text-muted: #a89fc8;
            --color-text-dim: #7a72a0;
            --color-border: rgba(108, 59, 241, 0.25);
            --color-border-light: rgba(255, 255, 255, 0.08);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 18px 50px rgba(0, 0, 0, 0.55);
            --shadow-glow: 0 0 30px rgba(108, 59, 241, 0.25);
            --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 72px;
        }

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

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

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

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

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

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

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

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

        h1 {
            font-size: 2.8rem;
        }
        h2 {
            font-size: 2.2rem;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.2rem;
        }

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

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(15, 11, 26, 0.82);
            backdrop-filter: blur(16px) saturate(1.4);
            -webkit-backdrop-filter: blur(16px) saturate(1.4);
            border-bottom: 1px solid var(--color-border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 32px;
            transition: background var(--transition), box-shadow var(--transition);
        }

        .site-header.scrolled {
            background: rgba(15, 11, 26, 0.95);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .site-header .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.5px;
            text-decoration: none;
            transition: opacity var(--transition);
        }
        .site-header .logo:hover {
            opacity: 0.85;
            color: var(--color-text);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            border-radius: var(--radius-sm);
            color: #fff;
            font-weight: 900;
            font-size: 0.95rem;
            letter-spacing: 0;
            box-shadow: 0 0 20px rgba(108, 59, 241, 0.3);
        }

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

        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-list li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-muted);
            transition: all var(--transition);
            position: relative;
            letter-spacing: 0.3px;
        }

        .nav-list li a:hover {
            color: var(--color-text);
            background: rgba(108, 59, 241, 0.12);
        }

        .nav-list li a.active {
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            box-shadow: 0 4px 18px rgba(108, 59, 241, 0.35);
        }

        .nav-list li a.active:hover {
            box-shadow: 0 6px 26px rgba(108, 59, 241, 0.5);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        /* ===== Hero / Banner ===== */
        .category-hero {
            margin-top: var(--header-height);
            min-height: 320px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            position: relative;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            isolation: isolate;
            padding: 80px 24px 60px;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 11, 26, 0.88) 0%, rgba(15, 11, 26, 0.65) 60%, rgba(108, 59, 241, 0.25) 100%);
            z-index: 0;
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
        }

        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: 50px;
            background: rgba(108, 59, 241, 0.2);
            border: 1px solid rgba(108, 59, 241, 0.3);
            font-size: 0.85rem;
            color: var(--color-primary-light);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
            backdrop-filter: blur(4px);
        }

        .category-hero h1 {
            font-size: 3rem;
            font-weight: 900;
            letter-spacing: -1px;
            background: linear-gradient(135deg, #fff 40%, var(--color-primary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
        }

        .category-hero p {
            font-size: 1.15rem;
            color: var(--color-text-muted);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
        }

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

        .hero-stats .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-secondary);
            display: block;
            line-height: 1.2;
        }

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

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

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

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 560px;
            margin: 0 auto;
        }

        .section-header .section-tag {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 50px;
            background: rgba(108, 59, 241, 0.15);
            border: 1px solid rgba(108, 59, 241, 0.2);
            font-size: 0.8rem;
            color: var(--color-primary-light);
            letter-spacing: 0.8px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        .section-bg-alt {
            background: var(--color-bg-alt);
        }

        /* ===== Tag Cloud ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-top: 8px;
        }

        .tag-cloud .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 50px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-light);
            font-size: 0.88rem;
            color: var(--color-text-muted);
            transition: all var(--transition);
            cursor: default;
        }

        .tag-cloud .tag i {
            font-size: 0.75rem;
            color: var(--color-primary-light);
        }

        .tag-cloud .tag:hover {
            background: var(--color-bg-card-hover);
            border-color: var(--color-border);
            color: var(--color-text);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        /* ===== Guide Cards Grid ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

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

        .guide-card:hover {
            transform: translateY(-6px);
            border-color: var(--color-border);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
            background: var(--color-bg-card-hover);
        }

        .guide-card .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
            border-radius: 0;
        }

        .guide-card .card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .guide-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 10px;
        }

        .guide-card .card-tags span {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.72rem;
            font-weight: 600;
            background: rgba(108, 59, 241, 0.15);
            color: var(--color-primary-light);
            letter-spacing: 0.3px;
        }

        .guide-card .card-tags .tag-hot {
            background: rgba(245, 166, 35, 0.2);
            color: var(--color-secondary);
        }

        .guide-card .card-tags .tag-new {
            background: rgba(255, 107, 107, 0.15);
            color: var(--color-accent);
        }

        .guide-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.35;
        }

        .guide-card h3 a {
            color: var(--color-text);
        }
        .guide-card h3 a:hover {
            color: var(--color-primary-light);
        }

        .guide-card .card-excerpt {
            font-size: 0.92rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }

        .guide-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--color-text-dim);
            border-top: 1px solid var(--color-border-light);
            padding-top: 14px;
            margin-top: auto;
        }

        .guide-card .card-meta .meta-left {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .guide-card .card-meta i {
            margin-right: 4px;
            font-size: 0.75rem;
        }

        .guide-card .card-meta .read-more {
            color: var(--color-primary-light);
            font-weight: 600;
            font-size: 0.85rem;
            transition: color var(--transition);
        }
        .guide-card .card-meta .read-more:hover {
            color: var(--color-secondary);
        }

        /* ===== Featured / 特色图文 ===== */
        .featured-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .featured-wrap .featured-img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            width: 100%;
            height: auto;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

        .featured-wrap .featured-content h3 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }

        .featured-wrap .featured-content p {
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .featured-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .featured-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.95rem;
            color: var(--color-text-muted);
        }

        .featured-list li i {
            color: var(--color-secondary);
            font-size: 0.9rem;
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* ===== Steps / 流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step-counter;
        }

        .step-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px 28px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
            position: relative;
        }

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

        .step-card .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            margin-bottom: 16px;
            box-shadow: 0 0 24px rgba(108, 59, 241, 0.25);
        }

        .step-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            background: transparent;
            text-align: left;
            gap: 16px;
            transition: background var(--transition);
        }

        .faq-question:hover {
            background: rgba(108, 59, 241, 0.06);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            color: var(--color-primary-light);
            transition: transform var(--transition);
            font-size: 0.9rem;
        }

        .faq-item.active .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--color-text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

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

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-bg-alt), rgba(108, 59, 241, 0.08));
            text-align: center;
            padding: 80px 24px;
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 500px;
            margin: 0 auto 28px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            letter-spacing: 0.3px;
            border: none;
            background: transparent;
            color: var(--color-text);
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff;
            box-shadow: 0 4px 20px rgba(108, 59, 241, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(108, 59, 241, 0.45);
            color: #fff;
        }

        .btn-outline {
            border: 1px solid var(--color-border);
            color: var(--color-text-muted);
        }

        .btn-outline:hover {
            border-color: var(--color-primary-light);
            color: var(--color-primary-light);
            background: rgba(108, 59, 241, 0.06);
            transform: translateY(-2px);
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 0.92rem;
            color: var(--color-text-dim);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--color-text);
            letter-spacing: 0.3px;
        }

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

        .footer-col ul li a {
            color: var(--color-text-dim);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition);
        }

        .footer-col ul li a i {
            font-size: 0.65rem;
            color: var(--color-primary-light);
        }

        .footer-col ul li a:hover {
            color: var(--color-primary-light);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid var(--color-border-light);
            font-size: 0.85rem;
            color: var(--color-text-dim);
        }

        .social-links {
            display: flex;
            gap: 14px;
        }

        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            color: var(--color-text-dim);
            font-size: 1rem;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .social-links a:hover {
            background: rgba(108, 59, 241, 0.15);
            color: var(--color-primary-light);
            border-color: var(--color-border);
            transform: translateY(-2px);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .featured-wrap {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .featured-wrap .featured-img {
                order: -1;
                max-height: 320px;
                object-fit: cover;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 62px;
            }

            .site-header {
                padding: 0 16px;
            }

            .site-header .logo {
                font-size: 1.15rem;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.8rem;
            }

            .nav-list {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(15, 11, 26, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 20px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: var(--shadow-lg);
            }

            .nav-list.open {
                display: flex;
            }

            .nav-list li a {
                padding: 12px 20px;
                width: 100%;
                border-radius: var(--radius-sm);
            }

            .nav-toggle {
                display: block;
            }

            .category-hero {
                min-height: 260px;
                padding: 60px 16px 40px;
            }

            .category-hero h1 {
                font-size: 2rem;
            }

            .category-hero p {
                font-size: 0.95rem;
            }

            .hero-stats {
                gap: 24px;
            }

            .hero-stats .stat-number {
                font-size: 1.4rem;
            }

            .section {
                padding: 56px 0;
            }

            .section-header h2 {
                font-size: 1.6rem;
            }

            .guide-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .cta-section h2 {
                font-size: 1.5rem;
            }

            .btn {
                padding: 12px 24px;
                font-size: 0.88rem;
            }

            .faq-question {
                padding: 14px 18px;
                font-size: 0.92rem;
            }

            .featured-wrap .featured-content h3 {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }

            .category-hero h1 {
                font-size: 1.6rem;
            }

            .hero-stats .stat-number {
                font-size: 1.2rem;
            }

            .hero-stats .stat-label {
                font-size: 0.75rem;
            }

            .section-header h2 {
                font-size: 1.3rem;
            }

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

            .guide-card h3 {
                font-size: 1rem;
            }

            .step-card {
                padding: 24px 16px 20px;
            }

            .btn-group {
                flex-direction: column;
                align-items: center;
            }

            .btn {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Focus visible ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary-light);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

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