/* roulang page: index */
:root {
            --color-primary: #e62e2e;
            --color-primary-dark: #c41c1c;
            --color-secondary: #1a1f2e;
            --color-accent: #f0b90b;
            --color-bg: #0c0e14;
            --color-surface: #161a24;
            --color-surface-light: #1e2330;
            --color-text: #e0e2e8;
            --color-text-muted: #8b8fa3;
            --color-border: #2a2f3d;
            --color-success: #2ecc71;
            --color-danger: #e62e2e;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.6);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.7);
            --shadow-glow: 0 0 12px rgba(230,46,46,0.3);
            --transition: all 0.2s ease;
            --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        * { box-sizing: border-box; }
        body {
            font-family: var(--font-sans);
            background: var(--color-bg);
            color: var(--color-text);
            margin: 0;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--color-primary-dark); text-decoration: none; }
        img { max-width: 100%; height: auto; display: block; }
        .container { max-width: 1240px; margin: 0 auto; padding: 0 20px; }
        .text-muted { color: var(--color-text-muted) !important; }
        .btn {
            display: inline-flex; align-items: center; justify-content: center;
            font-weight: 600; border-radius: var(--radius-sm); padding: 12px 28px;
            transition: var(--transition); border: 2px solid transparent;
            font-size: 1rem; cursor: pointer; line-height: 1.2;
        }
        .btn-primary {
            background: var(--color-primary); color: #fff; border-color: var(--color-primary);
        }
        .btn-primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); color: #fff; }
        .btn-outline-light {
            background: transparent; color: #fff; border-color: rgba(255,255,255,0.25);
        }
        .btn-outline-light:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.4); color: #fff; }
        .btn-lg { padding: 16px 36px; font-size: 1.1rem; border-radius: var(--radius-md); }
        .tag {
            display: inline-block; background: var(--color-surface-light); color: var(--color-primary);
            padding: 4px 14px; border-radius: 20px; font-size: 0.8rem; font-weight: 600;
            border: 1px solid var(--color-border);
        }
        .card-custom {
            background: var(--color-surface); border: 1px solid var(--color-border);
            border-radius: var(--radius-md); padding: 24px; transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .card-custom:hover { border-color: var(--color-primary); box-shadow: var(--shadow-glow); transform: translateY(-2px); }
        .section-title {
            font-size: 2.2rem; font-weight: 700; letter-spacing: -0.5px; margin-bottom: 0.5rem;
            color: #fff; position: relative; display: inline-block;
        }
        .section-title::after {
            content: ''; display: block; width: 50px; height: 3px; background: var(--color-primary);
            margin-top: 8px;
        }
        .section-subtitle { color: var(--color-text-muted); font-size: 1.1rem; margin-bottom: 3rem; }

        /* Header & Nav */
        .navbar {
            background: rgba(12,14,20,0.92); backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--color-border);
            padding: 0.8rem 0;
            position: sticky; top: 0; z-index: 1050;
        }
        .navbar .container { display: flex; align-items: center; justify-content: space-between; }
        .logo-wrapper { display: flex; align-items: center; flex-shrink: 0; }
        .logo-text {
            font-size: 1.8rem; font-weight: 800; letter-spacing: 1px;
            background: linear-gradient(135deg, var(--color-primary), #ff6b6b);
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;
            background-clip: text;
            margin: 0; line-height: 1;
        }
        .nav-links { display: flex; align-items: center; gap: 2rem; list-style: none; margin: 0; padding: 0; }
        .nav-links a {
            font-weight: 600; color: var(--color-text-muted); font-size: 1rem;
            transition: var(--transition); position: relative;
        }
        .nav-links a.active, .nav-links a:hover { color: #fff; }
        .nav-links a.active::after {
            content: ''; position: absolute; bottom: -6px; left: 0; right: 0;
            height: 3px; background: var(--color-primary); border-radius: 2px;
        }
        .nav-actions { display: flex; align-items: center; gap: 1rem; }
        .nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; }
        @media (max-width: 991px) {
            .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--color-surface); padding: 1.5rem; border-bottom: 1px solid var(--color-border); }
            .nav-links.show { display: flex; }
            .nav-toggle { display: block; }
            .nav-actions { margin-left: auto; }
        }

        /* Hero */
        .hero {
            position: relative; min-height: 85vh; display: flex; align-items: center;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            background-blend-mode: overlay; background-color: rgba(0,0,0,0.55);
        }
        .hero-content { max-width: 700px; }
        .hero h1 {
            font-size: 3.8rem; font-weight: 800; line-height: 1.2;
            color: #fff; text-shadow: 0 4px 20px rgba(0,0,0,0.5);
        }
        .hero .highlight { color: var(--color-primary); }
        .hero p { font-size: 1.3rem; color: rgba(255,255,255,0.85); margin: 1.5rem 0 2rem; }
        .hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }

        /* Feature Grid */
        .feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; }
        .feature-icon { font-size: 2.5rem; color: var(--color-primary); margin-bottom: 1.2rem; }
        .feature-card h3 { color: #fff; font-size: 1.4rem; margin-bottom: 0.5rem; }

        /* Category Card */
        .category-card {
            background: var(--color-surface); border: 1px solid var(--color-border);
            border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .category-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-glow); }
        .category-card img { height: 200px; object-fit: cover; width: 100%; }
        .category-body { padding: 1.5rem; }
        .category-body h3 { color: #fff; font-size: 1.5rem; margin-bottom: 0.3rem; }

        /* News List */
        .news-item {
            display: flex; gap: 1.5rem; padding: 1.2rem 0;
            border-bottom: 1px solid var(--color-border); transition: var(--transition);
        }
        .news-item:last-child { border-bottom: none; }
        .news-item:hover { background: rgba(255,255,255,0.02); }
        .news-img {
            width: 120px; height: 80px; border-radius: var(--radius-sm);
            object-fit: cover; flex-shrink: 0;
        }
        .news-body h4 { font-size: 1.1rem; margin-bottom: 0.3rem; }
        .news-body h4 a { color: #fff; }
        .news-body h4 a:hover { color: var(--color-primary); }
        .news-meta { font-size: 0.85rem; color: var(--color-text-muted); }

        /* Stats */
        .stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 2rem; text-align: center; }
        .stat-number { font-size: 3rem; font-weight: 800; color: var(--color-primary); line-height: 1; }
        .stat-label { color: var(--color-text-muted); font-size: 1rem; margin-top: 0.5rem; }

        /* FAQ */
        .faq-item {
            background: var(--color-surface); border: 1px solid var(--color-border);
            border-radius: var(--radius-md); padding: 1.5rem; margin-bottom: 1rem;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--color-primary); }
        .faq-question { font-weight: 700; color: #fff; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
        .faq-answer { margin-top: 0.8rem; color: var(--color-text-muted); display: none; }
        .faq-item.open .faq-answer { display: block; }
        .faq-icon { font-size: 1.2rem; transition: transform 0.2s; }
        .faq-item.open .faq-icon { transform: rotate(45deg); }

        /* CTA */
        .cta-section {
            background: var(--color-surface-light); border: 1px solid var(--color-border);
            border-radius: var(--radius-lg); padding: 3rem 2rem; text-align: center;
        }

        /* Footer */
        .footer {
            background: var(--color-surface); border-top: 1px solid var(--color-border);
            padding: 2rem 0; margin-top: 3rem; color: var(--color-text-muted);
            font-size: 0.9rem;
        }
        .footer .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 2rem; }
        .footer a { color: var(--color-text-muted); }
        .footer a:hover { color: #fff; }
        .footer-brand { font-weight: 700; color: #fff; }

        @media (max-width: 768px) {
            .hero h1 { font-size: 2.5rem; }
            .section-title { font-size: 1.8rem; }
            .news-item { flex-direction: column; }
            .news-img { width: 100%; height: 160px; }
        }
        @media (max-width: 520px) {
            .hero { min-height: 70vh; }
            .hero h1 { font-size: 2rem; }
            .btn-lg { padding: 14px 24px; }
            .nav-actions .btn { display: none; }
        }

/* roulang page: article */
:root {
            --bg-deep: #060a10;
            --bg-primary: #0a0f18;
            --bg-secondary: #111822;
            --bg-card: #161e2b;
            --bg-card-hover: #1c2535;
            --bg-input: #0d1320;
            --text-primary: #e6e9ef;
            --text-secondary: #a8b2c2;
            --text-muted: #6b7385;
            --text-strong: #ffffff;
            --accent: #f0a430;
            --accent-glow: rgba(240, 164, 48, 0.25);
            --accent-secondary: #4da6ff;
            --accent-secondary-glow: rgba(77, 166, 255, 0.2);
            --accent-danger: #ff4757;
            --accent-success: #2ed573;
            --border: #232b3a;
            --border-light: #2a3345;
            --border-accent: #3a3420;
            --radius-sm: 4px;
            --radius: 6px;
            --radius-lg: 10px;
            --radius-xl: 16px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.6);
            --shadow-glow: 0 0 30px rgba(240, 164, 48, 0.12);
            --transition-fast: 0.15s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Menlo', monospace;
            --max-width: 1200px;
            --max-content: 800px;
            --nav-height: 62px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: #f5b84d;
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }
        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        input {
            font-family: inherit;
            font-size: inherit;
        }

        h1, h2, h3, h4, h5, h6 {
            color: var(--text-strong);
            font-weight: 700;
            line-height: 1.3;
        }

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

        /* Header / Nav */
        .navbar {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 15, 24, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: background var(--transition);
        }
        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .logo-wrapper {
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: var(--text-strong);
            white-space: nowrap;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo-text::before {
            content: '';
            display: inline-block;
            width: 10px;
            height: 10px;
            background: var(--accent);
            border-radius: 2px;
            transform: rotate(45deg);
            flex-shrink: 0;
        }
        .logo-text:hover {
            color: var(--accent);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--text-strong);
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-links a.active {
            color: var(--accent);
            background: rgba(240, 164, 48, 0.08);
            box-shadow: inset 0 -2px 0 var(--accent);
        }
        .nav-actions {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: var(--radius);
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.4px;
            transition: all var(--transition);
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--accent);
            color: #0a0f18;
            border-color: var(--accent);
        }
        .btn-primary:hover {
            background: #f5b84d;
            border-color: #f5b84d;
            color: #0a0f18;
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            color: var(--accent);
            border-color: var(--accent);
        }
        .btn-outline:hover {
            background: rgba(240, 164, 48, 0.1);
            box-shadow: var(--shadow-glow);
        }
        .btn-sm {
            padding: 7px 15px;
            font-size: 0.82rem;
            border-radius: var(--radius-sm);
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 1.05rem;
            border-radius: var(--radius-lg);
        }
        .nav-toggle {
            display: none;
            font-size: 1.4rem;
            color: var(--text-primary);
            padding: 8px;
            border-radius: var(--radius);
            transition: background var(--transition-fast);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        /* Main */
        main {
            flex: 1;
        }

        /* Article Banner */
        .article-banner {
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: flex-end;
            padding: 60px 0 40px;
            background: var(--bg-deep) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            overflow: hidden;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 10, 16, 0.55) 0%, rgba(6, 10, 16, 0.85) 60%, rgba(10, 15, 24, 0.96) 100%);
            z-index: 0;
        }
        .article-banner::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            z-index: 1;
            opacity: 0.7;
        }
        .article-banner .container {
            position: relative;
            z-index: 2;
        }
        .article-banner-inner {
            max-width: var(--max-content);
        }
        .article-banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(240, 164, 48, 0.15);
            color: var(--accent);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            border: 1px solid rgba(240, 164, 48, 0.25);
        }
        .article-banner-tag .dot {
            width: 7px;
            height: 7px;
            background: var(--accent);
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--accent); }
            50% { opacity: 0.4; box-shadow: 0 0 2px var(--accent); }
        }
        .article-banner h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-strong);
            margin-bottom: 12px;
            line-height: 1.25;
            letter-spacing: -0.3px;
        }
        .article-banner-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            color: var(--text-secondary);
            font-size: 0.88rem;
        }
        .article-banner-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .article-banner-meta .meta-divider {
            width: 4px;
            height: 4px;
            background: var(--accent);
            border-radius: 50%;
            opacity: 0.6;
        }

        /* Article Body Section */
        .article-body-section {
            padding: 48px 0 60px;
            background: var(--bg-primary);
        }
        .article-content-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            box-shadow: var(--shadow);
            position: relative;
        }
        .article-content-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 20px;
            right: 20px;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-accent), transparent);
        }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-primary);
        }
        .article-body p {
            margin-bottom: 1.2em;
        }
        .article-body h2 {
            font-size: 1.5rem;
            margin-top: 2em;
            margin-bottom: 0.8em;
            color: var(--text-strong);
            padding-bottom: 8px;
            border-bottom: 2px solid var(--border);
            position: relative;
        }
        .article-body h2::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 50px;
            height: 2px;
            background: var(--accent);
        }
        .article-body h3 {
            font-size: 1.25rem;
            margin-top: 1.6em;
            margin-bottom: 0.6em;
            color: var(--text-strong);
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.2em;
            padding-left: 1.5em;
        }
        .article-body li {
            margin-bottom: 0.4em;
        }
        .article-body strong {
            color: var(--text-strong);
            font-weight: 700;
        }
        .article-body blockquote {
            border-left: 3px solid var(--accent);
            margin: 1.5em 0;
            padding: 16px 20px;
            background: rgba(240, 164, 48, 0.04);
            border-radius: 0 var(--radius) var(--radius) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body img {
            border-radius: var(--radius-lg);
            margin: 1.5em 0;
            border: 1px solid var(--border);
        }
        .article-body code {
            background: var(--bg-input);
            padding: 2px 8px;
            border-radius: var(--radius-sm);
            font-family: var(--font-mono);
            font-size: 0.9em;
            color: var(--accent-secondary);
            border: 1px solid var(--border);
        }
        .article-body a {
            color: var(--accent);
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-thickness: 1px;
        }
        .article-body a:hover {
            color: #f5b84d;
        }

        /* Article Footer Meta */
        .article-footer-meta {
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-tag {
            display: inline-block;
            padding: 5px 12px;
            background: rgba(77, 166, 255, 0.08);
            color: var(--accent-secondary);
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            border: 1px solid rgba(77, 166, 255, 0.2);
            transition: all var(--transition-fast);
        }
        .article-tag:hover {
            background: rgba(77, 166, 255, 0.16);
            border-color: var(--accent-secondary);
        }
        .share-buttons {
            display: flex;
            gap: 8px;
            align-items: center;
        }
        .share-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-secondary);
            color: var(--text-secondary);
            border: 1px solid var(--border);
            transition: all var(--transition-fast);
            font-size: 0.9rem;
        }
        .share-btn:hover {
            background: var(--bg-card-hover);
            color: var(--accent);
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
        }

        /* Related Posts */
        .related-section {
            padding: 28px 0 64px;
            background: var(--bg-primary);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .section-label::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }
        .section-title {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-strong);
            margin-bottom: 28px;
            letter-spacing: -0.3px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .related-card:hover {
            border-color: var(--border-accent);
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            background: var(--bg-card-hover);
        }
        .related-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
            background: var(--bg-secondary);
        }
        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .related-card:hover .related-card-img img {
            transform: scale(1.04);
        }
        .related-card-img .card-category-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(10, 15, 24, 0.85);
            color: var(--accent);
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            border: 1px solid rgba(240, 164, 48, 0.3);
            backdrop-filter: blur(4px);
        }
        .related-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
            flex: 1;
        }
        .related-card-body .card-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* CTA */
        .cta-section {
            padding: 60px 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(240, 164, 48, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .cta-inner h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-strong);
            margin-bottom: 10px;
        }
        .cta-inner p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-buttons {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Not Found State */
        .not-found-section {
            padding: 80px 0;
            text-align: center;
            background: var(--bg-primary);
        }
        .not-found-icon {
            font-size: 4rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            opacity: 0.5;
        }
        .not-found-section h2 {
            font-size: 1.6rem;
            margin-bottom: 8px;
        }
        .not-found-section p {
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        /* Footer */
        .footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border);
            padding: 32px 0;
            margin-top: auto;
        }
        .footer .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: flex-start;
            gap: 24px;
        }
        .footer-brand {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--text-strong);
            letter-spacing: 0.5px;
        }
        .footer p {
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.6;
        }
        .mt-1 {
            margin-top: 6px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-banner h1 {
                font-size: 2rem;
            }
            .article-content-card {
                padding: 28px 24px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(10, 15, 24, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 12px 16px;
                gap: 2px;
                border-bottom: 1px solid var(--border);
                display: none;
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius);
                justify-content: center;
                font-size: 0.95rem;
            }
            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .nav-actions {
                margin-left: auto;
            }
            .article-banner {
                min-height: 240px;
                padding: 40px 0 28px;
            }
            .article-banner h1 {
                font-size: 1.6rem;
            }
            .article-content-card {
                padding: 22px 18px;
                border-radius: var(--radius);
            }
            .article-body {
                font-size: 0.98rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .article-footer-meta {
                flex-direction: column;
                align-items: flex-start;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .cta-inner h2 {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .container-narrow {
                padding: 0 14px;
            }
            .logo-text {
                font-size: 1.05rem;
            }
            .btn-sm {
                padding: 6px 11px;
                font-size: 0.76rem;
            }
            .article-banner {
                min-height: 200px;
                padding: 30px 0 20px;
            }
            .article-banner h1 {
                font-size: 1.35rem;
            }
            .article-banner-meta {
                font-size: 0.78rem;
                gap: 8px;
            }
            .article-content-card {
                padding: 16px 14px;
            }
            .article-body {
                font-size: 0.93rem;
                line-height: 1.7;
            }
            .article-body h2 {
                font-size: 1.2rem;
            }
            .related-card-img {
                height: 150px;
            }
            .footer .container {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
        }

/* roulang page: category1 */
:root {
            --bg-root: #0a0e17;
            --bg-panel: #111827;
            --bg-card: #141a25;
            --bg-card-hover: #1a2232;
            --bg-elevated: #1c2436;
            --text-primary: #e2e8f0;
            --text-secondary: #b0bdd0;
            --text-muted: #6b7d95;
            --accent-red: #e63946;
            --accent-red-hover: #c1121f;
            --accent-red-glow: rgba(230, 57, 70, 0.25);
            --accent-gold: #f59e0b;
            --accent-green: #10b981;
            --accent-blue: #3b82f6;
            --border-default: #1e293b;
            --border-light: #263348;
            --border-accent: #2a3548;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.45);
            --shadow-lg: 0 8px 40px rgba(0,0,0,0.55);
            --shadow-red: 0 4px 20px rgba(230,57,70,0.2);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            --max-width: 1260px;
            --header-height: 68px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-root);
            color: var(--text-primary);
            line-height: 1.65;
            min-height: 100vh;
            font-size: 15px;
        }

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

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

        /* ========== HEADER / NAVBAR ========== */
        .navbar {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 23, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-default);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .logo-wrapper {
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-text::before {
            content: '';
            display: inline-block;
            width: 10px;
            height: 10px;
            background: var(--accent-red);
            border-radius: 50%;
            box-shadow: 0 0 10px var(--accent-red-glow);
            animation: logoPulse 2s ease-in-out infinite;
        }

        @keyframes logoPulse {
            0%,
            100% {
                box-shadow: 0 0 10px var(--accent-red-glow);
            }
            50% {
                box-shadow: 0 0 20px rgba(230, 57, 70, 0.5);
            }
        }

        .logo-text:hover {
            color: #fff;
            text-shadow: 0 0 18px rgba(255, 255, 255, 0.15);
        }

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

        .nav-links a {
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-links a.active {
            color: #fff;
            background: rgba(230, 57, 70, 0.12);
            font-weight: 600;
        }

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

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 7px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.01em;
            cursor: pointer;
            text-decoration: none;
        }

        .btn-primary {
            background: var(--accent-red);
            color: #fff;
            border: 2px solid var(--accent-red);
            box-shadow: var(--shadow-red);
        }

        .btn-primary:hover {
            background: var(--accent-red-hover);
            border-color: var(--accent-red-hover);
            box-shadow: 0 6px 28px rgba(230, 57, 70, 0.35);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-red);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        .btn-md {
            padding: 11px 26px;
            font-size: 0.95rem;
        }

        .btn-lg {
            padding: 14px 34px;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
        }

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

        .btn-outline:hover {
            border-color: var(--accent-red);
            color: #fff;
            background: rgba(230, 57, 70, 0.08);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            color: #fff;
            font-size: 1.4rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* ========== CATEGORY BANNER ========== */
        .category-banner {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            min-height: 340px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 14, 23, 0.55) 0%, rgba(10, 14, 23, 0.85) 60%, var(--bg-root) 100%);
            z-index: 1;
        }

        .category-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent-red);
            z-index: 2;
            box-shadow: 0 0 20px var(--accent-red-glow);
        }

        .category-banner .banner-content {
            position: relative;
            z-index: 3;
            padding: 60px 0 30px;
            width: 100%;
        }

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(230, 57, 70, 0.18);
            border: 1px solid rgba(230, 57, 70, 0.35);
            color: #fca5a5;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .banner-badge .dot {
            width: 8px;
            height: 8px;
            background: var(--accent-red);
            border-radius: 50%;
            animation: logoPulse 1.6s ease-in-out infinite;
        }

        .category-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.03em;
            margin-bottom: 10px;
            line-height: 1.2;
        }

        .category-banner .banner-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.6;
        }

        .banner-stats-row {
            display: flex;
            gap: 28px;
            margin-top: 20px;
            flex-wrap: wrap;
        }

        .banner-stat {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .banner-stat .stat-num {
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
            font-family: var(--font-mono);
            letter-spacing: -0.02em;
        }

        .banner-stat .stat-label {
            font-size: 0.82rem;
        }

        /* ========== FILTER BAR ========== */
        .filter-bar {
            background: var(--bg-panel);
            border-bottom: 1px solid var(--border-default);
            padding: 14px 0;
            position: sticky;
            top: var(--header-height);
            z-index: 99;
        }

        .filter-bar .container {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .filter-tag {
            padding: 7px 15px;
            border-radius: 20px;
            font-size: 0.84rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-light);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-tag:hover {
            color: #fff;
            border-color: var(--border-accent);
            background: rgba(255, 255, 255, 0.03);
        }

        .filter-tag.active-tag {
            background: var(--accent-red);
            border-color: var(--accent-red);
            color: #fff;
            font-weight: 600;
        }

        .filter-search {
            margin-left: auto;
            position: relative;
            flex-shrink: 0;
        }

        .filter-search input {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: 20px;
            padding: 8px 38px 8px 16px;
            color: #fff;
            font-size: 0.85rem;
            width: 220px;
            transition: all var(--transition-fast);
        }

        .filter-search input:focus {
            border-color: var(--accent-red);
            box-shadow: 0 0 0 3px var(--accent-red-glow);
            width: 260px;
        }

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

        .filter-search button {
            position: absolute;
            right: 6px;
            top: 50%;
            transform: translateY(-50%);
            background: transparent;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 6px 8px;
            border-radius: 50%;
            transition: color var(--transition-fast);
        }

        .filter-search button:hover {
            color: #fff;
        }

        /* ========== MAIN CONTENT AREA ========== */
        .main-content {
            padding: 40px 0 60px;
        }

        .content-grid {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 36px;
            align-items: start;
        }

        /* ========== ARTICLE CARDS ========== */
        .articles-section {}

        .articles-section .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 22px;
            flex-wrap: wrap;
            gap: 10px;
        }

        .section-header h2 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-header h2::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 22px;
            background: var(--accent-red);
            border-radius: 2px;
        }

        .section-header .view-all {
            font-size: 0.85rem;
            color: var(--accent-red);
            font-weight: 600;
            transition: color var(--transition-fast);
        }

        .section-header .view-all:hover {
            color: #f87171;
        }

        .articles-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .article-card {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            cursor: pointer;
            position: relative;
        }

        .article-card:hover {
            border-color: var(--border-accent);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            background: var(--bg-card-hover);
        }

        .article-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--bg-panel);
        }

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

        .article-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }

        .card-hot-dot {
            position: absolute;
            top: 12px;
            right: 12px;
            width: 10px;
            height: 10px;
            background: var(--accent-red);
            border-radius: 50%;
            box-shadow: 0 0 12px var(--accent-red-glow);
            z-index: 2;
        }

        .card-tag-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(0, 0, 0, 0.7);
            color: #fff;
            padding: 4px 10px;
            border-radius: 3px;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            z-index: 2;
            backdrop-filter: blur(6px);
        }

        .card-tag-badge.tag-hot {
            background: var(--accent-red);
        }

        .card-tag-badge.tag-new {
            background: var(--accent-blue);
        }

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

        .article-card .card-title {
            font-size: 1.02rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

        .article-card:hover .card-title {
            color: #fca5a5;
        }

        .article-card .card-excerpt {
            font-size: 0.84rem;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .article-card .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.78rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

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

        /* ========== PAGINATION ========== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 36px;
        }

        .pagination .page-btn {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .pagination .page-btn:hover {
            color: #fff;
            border-color: var(--border-accent);
            background: var(--bg-card-hover);
        }

        .pagination .page-btn.active-page {
            background: var(--accent-red);
            border-color: var(--accent-red);
            color: #fff;
            box-shadow: var(--shadow-red);
        }

        .pagination .page-btn.page-nav {
            font-size: 0.8rem;
        }

        /* ========== SIDEBAR ========== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: calc(var(--header-height) + 56px);
        }

        .sidebar-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            padding: 20px;
        }

        .sidebar-panel h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-panel h3::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 18px;
            background: var(--accent-red);
            border-radius: 2px;
        }

        .hot-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .hot-list-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 11px 0;
            border-bottom: 1px solid var(--border-default);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .hot-list-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .hot-list-item:hover {
            background: rgba(255, 255, 255, 0.02);
            margin: 0 -8px;
            padding-left: 8px;
            padding-right: 8px;
            border-radius: var(--radius-sm);
        }

        .hot-rank-num {
            font-family: var(--font-mono);
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--text-muted);
            min-width: 28px;
            flex-shrink: 0;
            line-height: 1;
            padding-top: 2px;
        }

        .hot-list-item:nth-child(1) .hot-rank-num {
            color: var(--accent-red);
        }
        .hot-list-item:nth-child(2) .hot-rank-num {
            color: #f97316;
        }
        .hot-list-item:nth-child(3) .hot-rank-num {
            color: var(--accent-gold);
        }

        .hot-info .hot-title {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

        .hot-list-item:hover .hot-title {
            color: #fca5a5;
        }

        .hot-info .hot-date {
            font-size: 0.74rem;
            color: var(--text-muted);
            margin-top: 3px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud .cloud-tag {
            padding: 6px 13px;
            border-radius: 16px;
            font-size: 0.78rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-panel);
            border: 1px solid var(--border-light);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .tag-cloud .cloud-tag:hover {
            color: #fff;
            border-color: var(--accent-red);
            background: rgba(230, 57, 70, 0.1);
        }

        /* ========== HOT PANEL SECTION ========== */
        .hot-panel-section {
            padding: 50px 0;
            background: var(--bg-panel);
            border-top: 1px solid var(--border-default);
            border-bottom: 1px solid var(--border-default);
        }

        .hot-panel-section .section-header {
            margin-bottom: 26px;
        }

        .hot-panel-section .section-header h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .hot-panel-section .section-header h2::before {
            content: '';
            display: inline-block;
            width: 5px;
            height: 24px;
            background: var(--accent-red);
            border-radius: 3px;
            box-shadow: 0 0 10px var(--accent-red-glow);
        }

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

        .hot-feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            cursor: pointer;
            position: relative;
        }

        .hot-feature-card:hover {
            border-color: var(--border-accent);
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .hot-feature-card .hf-img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg-panel);
        }

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

        .hot-feature-card:hover .hf-img-wrap img {
            transform: scale(1.06);
        }

        .hf-rank-stripe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--accent-red);
            z-index: 2;
        }

        .hot-feature-card:nth-child(2) .hf-rank-stripe {
            background: #f97316;
        }
        .hot-feature-card:nth-child(3) .hf-rank-stripe {
            background: var(--accent-gold);
        }

        .hot-feature-card .hf-body {
            padding: 16px 18px 18px;
        }

        .hot-feature-card .hf-title {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 7px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .hot-feature-card:hover .hf-title {
            color: #fca5a5;
        }

        .hot-feature-card .hf-excerpt {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ========== STATS STRIP ========== */
        .stats-strip {
            padding: 36px 0;
            background: var(--bg-root);
        }

        .stats-strip .container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            padding: 24px 16px;
            transition: all var(--transition-base);
        }

        .stat-card:hover {
            border-color: var(--border-accent);
            box-shadow: var(--shadow-md);
        }

        .stat-card .stat-icon {
            font-size: 1.6rem;
            color: var(--accent-red);
            margin-bottom: 8px;
        }

        .stat-card .stat-value {
            font-family: var(--font-mono);
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.03em;
            margin-bottom: 4px;
        }

        .stat-card .stat-label-text {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 60px 0;
            background: linear-gradient(160deg, var(--bg-panel) 0%, #141a28 50%, var(--bg-panel) 100%);
            border-top: 1px solid var(--border-default);
            border-bottom: 1px solid var(--border-default);
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .cta-section .cta-subtitle {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 500px;
            margin: 0 auto 24px;
            line-height: 1.6;
        }

        .cta-section .btn-lg {
            font-size: 1rem;
        }

        /* ========== FOOTER ========== */
        .footer {
            background: var(--bg-panel);
            border-top: 1px solid var(--border-default);
            padding: 40px 0;
            margin-top: 0;
        }

        .footer .container {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            gap: 30px;
            flex-wrap: wrap;
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
        }

        .footer p {
            color: var(--text-muted);
            font-size: 0.84rem;
            line-height: 1.7;
        }

        .footer .mt-1 {
            margin-top: 6px;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1100px) {
            .content-grid {
                grid-template-columns: 1fr 280px;
                gap: 24px;
            }
            .articles-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .hot-cards-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stats-strip .container {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }

        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .articles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .filter-search input {
                width: 160px;
            }
            .filter-search input:focus {
                width: 200px;
            }
            .category-banner h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(10, 14, 23, 0.97);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px;
                gap: 2px;
                border-bottom: 1px solid var(--border-default);
                z-index: 999;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
            }
            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .nav-actions {
                display: none;
            }
            .nav-actions-mobile {
                display: flex;
                padding: 12px 24px;
                border-top: 1px solid var(--border-default);
                margin-top: 4px;
            }
            .nav-actions-mobile .btn {
                width: 100%;
                text-align: center;
            }
            .articles-grid {
                grid-template-columns: 1fr;
            }
            .hot-cards-row {
                grid-template-columns: 1fr;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .category-banner {
                min-height: 260px;
            }
            .category-banner h1 {
                font-size: 1.8rem;
            }
            .banner-stats-row {
                gap: 16px;
            }
            .filter-bar .container {
                flex-wrap: wrap;
                gap: 8px;
            }
            .filter-search {
                margin-left: 0;
                width: 100%;
            }
            .filter-search input {
                width: 100%;
            }
            .filter-search input:focus {
                width: 100%;
            }
            .stats-strip .container {
                grid-template-columns: 1fr 1fr;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .footer .container {
                flex-direction: column;
                gap: 16px;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .category-banner {
                min-height: 220px;
            }
            .category-banner h1 {
                font-size: 1.5rem;
            }
            .category-banner .banner-subtitle {
                font-size: 0.9rem;
            }
            .banner-stats-row {
                gap: 10px;
            }
            .banner-stat .stat-num {
                font-size: 1.1rem;
            }
            .banner-stat .stat-label {
                font-size: 0.74rem;
            }
            .articles-grid {
                gap: 12px;
            }
            .article-card .card-body {
                padding: 12px 14px 14px;
            }
            .article-card .card-title {
                font-size: 0.92rem;
            }
            .stats-strip .container {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 16px 10px;
            }
            .stat-card .stat-value {
                font-size: 1.4rem;
            }
            .pagination .page-btn {
                width: 32px;
                height: 32px;
                font-size: 0.78rem;
            }
            .cta-section {
                padding: 40px 0;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
        }