/* roulang page: index */
:root {
            --color-bg-deep: #080812;
            --color-bg-dark: #10101e;
            --color-bg-card: #15152a;
            --color-bg-card-hover: #1c1c38;
            --color-bg-section: #0d0d1f;
            --color-gold: #c8a45c;
            --color-gold-light: #d9bc7a;
            --color-gold-dark: #a8843e;
            --color-gold-glow: rgba(200, 164, 92, 0.25);
            --color-accent: #e07a5f;
            --color-accent-light: #ea9a84;
            --color-text-primary: #f0ece6;
            --color-text-secondary: #b8b4aa;
            --color-text-muted: #7a7670;
            --color-text-on-dark: #e8e4dc;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-light: rgba(255, 255, 255, 0.14);
            --color-input-bg: rgba(255, 255, 255, 0.06);
            --color-input-focus-bg: rgba(255, 255, 255, 0.10);
            --color-overlay: rgba(8, 8, 18, 0.65);
            --color-overlay-heavy: rgba(8, 8, 18, 0.82);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 22px;
            --radius-full: 50px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.5);
            --shadow-gold: 0 4px 16px rgba(200, 164, 92, 0.18);
            --shadow-gold-lg: 0 8px 32px rgba(200, 164, 92, 0.22);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-stack: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-display: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'STSong', serif;
            --max-width: 1200px;
            --max-width-narrow: 860px;
            --nav-height: 68px;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }

        *,
        *::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-stack);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text-primary);
            background-color: var(--color-bg-deep);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

        button {
            cursor: pointer;
        }

        input::placeholder {
            color: var(--color-text-muted);
            opacity: 1;
        }

        ul,
        ol {
            list-style: none;
        }

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

        .container--narrow {
            max-width: var(--max-width-narrow);
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 10, 22, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(8, 8, 18, 0.95);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            height: var(--nav-height);
            gap: 20px;
            position: relative;
        }

        .nav-logo {
            flex-shrink: 0;
            font-family: var(--font-display);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: 0.04em;
            white-space: nowrap;
            transition: color var(--transition-fast), text-shadow var(--transition-fast);
            position: relative;
            z-index: 2;
        }

        .nav-logo:hover {
            color: var(--color-gold-light);
            text-shadow: 0 0 24px var(--color-gold-glow);
        }

        .nav-search-wrap {
            flex: 1;
            max-width: 420px;
            min-width: 200px;
            position: relative;
            z-index: 2;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--color-input-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-full);
            padding: 9px 16px;
            transition: all var(--transition-base);
            gap: 10px;
        }

        .nav-search:focus-within {
            border-color: var(--color-gold);
            background: var(--color-input-focus-bg);
            box-shadow: 0 0 0 4px rgba(200, 164, 92, 0.08);
        }

        .nav-search-icon {
            flex-shrink: 0;
            width: 18px;
            height: 18px;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .nav-search:focus-within .nav-search-icon {
            color: var(--color-gold);
        }

        .nav-search input {
            flex: 1;
            background: transparent;
            color: var(--color-text-primary);
            font-size: 0.95rem;
            min-width: 0;
            padding: 2px 0;
        }

        .nav-search input::placeholder {
            color: var(--color-text-muted);
            font-size: 0.9rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
            position: relative;
            z-index: 2;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .nav-link:hover {
            color: var(--color-gold-light);
            background: rgba(200, 164, 92, 0.06);
        }

        .nav-link.active {
            color: var(--color-gold);
            background: rgba(200, 164, 92, 0.1);
            font-weight: 600;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
            color: #1a1a0a;
            transition: all var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.03em;
            box-shadow: var(--shadow-gold);
        }

        .nav-cta-btn:hover {
            box-shadow: var(--shadow-gold-lg);
            transform: translateY(-1px);
        }

        .nav-mobile-toggle {
            display: none;
            flex-shrink: 0;
            z-index: 3;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            color: var(--color-text-primary);
            font-size: 1.5rem;
            transition: background var(--transition-fast);
        }

        .nav-mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            min-height: 88vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 120px 24px 80px;
            overflow: hidden;
            background: var(--color-bg-deep);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.55;
            filter: brightness(0.7) saturate(0.9);
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: radial-gradient(ellipse at center, rgba(8, 8, 18, 0.35) 0%, rgba(8, 8, 18, 0.78) 60%, rgba(8, 8, 18, 0.94) 100%);
        }

        .hero-glow {
            position: absolute;
            top: 20%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200, 164, 92, 0.09) 0%, transparent 70%);
            z-index: 1;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: var(--radius-full);
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-gold);
            border: 1px solid rgba(200, 164, 92, 0.3);
            background: rgba(200, 164, 92, 0.06);
            margin-bottom: 24px;
        }

        .hero-title {
            font-family: var(--font-display);
            font-size: clamp(2.4rem, 5vw, 3.8rem);
            font-weight: 800;
            line-height: 1.18;
            color: #ffffff;
            margin-bottom: 18px;
            letter-spacing: 0.03em;
            text-shadow: 0 2px 18px rgba(0, 0, 0, 0.5);
        }

        .hero-title .gold-accent {
            color: var(--color-gold);
            display: inline;
        }

        .hero-subtitle {
            font-size: clamp(1.05rem, 1.8vw, 1.22rem);
            color: var(--color-text-on-dark);
            line-height: 1.65;
            max-width: 560px;
            margin: 0 auto 36px;
            opacity: 0.88;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-full);
            font-size: 1rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            white-space: nowrap;
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
            color: #1a1608;
            box-shadow: var(--shadow-gold);
        }

        .btn-primary:hover {
            box-shadow: var(--shadow-gold-lg);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-text-primary);
            border: 1.5px solid rgba(255, 255, 255, 0.35);
        }

        .btn-outline:hover {
            border-color: var(--color-gold);
            color: var(--color-gold-light);
            background: rgba(200, 164, 92, 0.05);
        }

        .btn-lg {
            padding: 15px 34px;
            font-size: 1.08rem;
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--section-gap) 24px;
        }

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

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

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

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-gold);
            margin-bottom: 10px;
        }

        .section-title {
            font-family: var(--font-display);
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .section-desc {
            font-size: 1.02rem;
            color: var(--color-text-secondary);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.65;
        }

        /* ========== HIGHLIGHTS GRID ========== */
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .highlight-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 32px 26px 28px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .highlight-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: var(--color-gold);
            border-radius: 0 0 3px 3px;
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .highlight-card:hover {
            border-color: var(--color-border-light);
            background: var(--color-bg-card-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

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

        .highlight-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 18px;
            border-radius: var(--radius-md);
            background: rgba(200, 164, 92, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--color-gold);
            transition: all var(--transition-base);
        }

        .highlight-card:hover .highlight-icon {
            background: rgba(200, 164, 92, 0.18);
            box-shadow: 0 0 20px rgba(200, 164, 92, 0.15);
        }

        .highlight-card h3 {
            font-size: 1.12rem;
            font-weight: 650;
            color: #ffffff;
            margin-bottom: 8px;
        }

        .highlight-card p {
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.55;
        }

        /* ========== CATEGORY ENTRY CARD ========== */
        .category-entry-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .category-entry-block:hover {
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-lg);
        }

        .category-entry-img {
            width: 100%;
            height: 100%;
            min-height: 300px;
            object-fit: cover;
            display: block;
        }

        .category-entry-body {
            padding: 36px 32px 36px 8px;
        }

        .category-entry-tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            color: var(--color-accent);
            background: rgba(224, 122, 95, 0.1);
            margin-bottom: 14px;
        }

        .category-entry-body h2 {
            font-family: var(--font-display);
            font-size: 1.6rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .category-entry-body p {
            font-size: 0.98rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .category-entry-body .btn {
            font-size: 0.93rem;
        }

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

        .news-card {
            display: flex;
            gap: 16px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 16px;
            transition: all var(--transition-base);
            align-items: flex-start;
        }

        .news-card:hover {
            border-color: var(--color-border-light);
            background: var(--color-bg-card-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .news-card-img {
            width: 100px;
            height: 80px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--color-bg-section);
        }

        .news-card-body {
            flex: 1;
            min-width: 0;
        }

        .news-card-meta {
            display: flex;
            gap: 10px;
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-bottom: 6px;
            flex-wrap: wrap;
        }

        .news-card-meta .tag-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-gold);
            flex-shrink: 0;
            margin-top: 6px;
        }

        .news-card h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 5px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card:hover h4 {
            color: var(--color-gold-light);
        }

        .news-card p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-empty {
            text-align: center;
            padding: 40px 20px;
            color: var(--color-text-muted);
            font-size: 0.95rem;
            grid-column: 1 / -1;
        }

        /* ========== STATS ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .stat-item {
            padding: 24px 16px;
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
        }

        .stat-item:hover {
            border-color: var(--color-border-light);
            background: rgba(255, 255, 255, 0.04);
        }

        .stat-number {
            font-family: var(--font-display);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-gold);
            line-height: 1;
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .stat-label {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            letter-spacing: 0.03em;
        }

        /* ========== STEPS / PROCESS ========== */
        .steps-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            counter-reset: step-counter;
        }

        .step-item {
            position: relative;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 32px 24px 26px;
            text-align: center;
            transition: all var(--transition-base);
            counter-increment: step-counter;
        }

        .step-item::before {
            content: counter(step-counter);
            position: absolute;
            top: -18px;
            left: 50%;
            transform: translateX(-50%);
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--color-gold);
            color: #1a1608;
            font-weight: 700;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-gold);
        }

        .step-item:hover {
            border-color: var(--color-border-light);
            background: var(--color-bg-card-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 650;
            color: #ffffff;
            margin: 10px 0 6px;
        }

        .step-item p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

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

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: #ffffff;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: color var(--transition-fast);
            cursor: pointer;
            background: transparent;
            border: none;
            font-family: inherit;
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(200, 164, 92, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--color-gold);
            transition: all var(--transition-base);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: rgba(200, 164, 92, 0.25);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 22px;
            color: var(--color-text-secondary);
            font-size: 0.92rem;
            line-height: 1.65;
        }

        .faq-item.open .faq-answer {
            max-height: 220px;
            padding: 0 22px 20px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            position: relative;
            text-align: center;
            padding: 80px 24px;
            overflow: hidden;
            background: var(--color-bg-dark);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(200, 164, 92, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-family: var(--font-display);
            font-size: clamp(1.6rem, 3vw, 2.3rem);
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 1.02rem;
            color: var(--color-text-secondary);
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-deep);
            border-top: 1px solid var(--color-border);
            padding: 44px 24px 28px;
            color: var(--color-text-muted);
            font-size: 0.88rem;
        }

        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 36px;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 28px;
        }

        .footer-brand {
            flex-shrink: 0;
        }

        .footer-logo {
            font-family: var(--font-display);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }

        .footer-brand p {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            max-width: 220px;
            line-height: 1.5;
        }

        .footer-links {
            display: flex;
            gap: 48px;
            flex-wrap: wrap;
        }

        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 650;
            color: #ffffff;
            margin-bottom: 10px;
            letter-spacing: 0.04em;
        }

        .footer-col a {
            display: block;
            font-size: 0.84rem;
            color: var(--color-text-muted);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-gold-light);
        }

        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 18px;
            text-align: center;
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .highlights-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-entry-block {
                grid-template-columns: 1fr;
            }
            .category-entry-body {
                padding: 24px;
            }
            .category-entry-img {
                min-height: 200px;
                max-height: 260px;
            }
            .news-list {
                grid-template-columns: 1fr 1fr;
            }
            .nav-search-wrap {
                max-width: 260px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 52px;
                --section-gap-sm: 36px;
            }

            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(10, 10, 22, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-base);
                z-index: 1;
            }

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

            .nav-mobile-toggle {
                display: flex;
            }

            .nav-search-wrap {
                max-width: 100%;
                order: -1;
                flex: 0 0 100%;
                margin-right: 40px;
                padding-right: 0;
            }

            .nav-inner {
                flex-wrap: wrap;
                gap: 10px;
                height: auto;
                padding: 10px 0;
            }

            .nav-logo {
                order: -2;
            }

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

            .news-list {
                grid-template-columns: 1fr;
            }

            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .steps-list {
                grid-template-columns: 1fr;
                gap: 22px;
            }

            .hero {
                min-height: 70vh;
                padding: 100px 20px 60px;
            }

            .hero-title {
                font-size: clamp(1.8rem, 7vw, 2.4rem);
            }

            .section {
                padding: var(--section-gap) 16px;
            }

            .footer-inner {
                flex-direction: column;
                gap: 24px;
            }

            .footer-links {
                gap: 24px;
            }

            .btn {
                padding: 11px 22px;
                font-size: 0.93rem;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-gap: 40px;
                --nav-height: 56px;
            }

            .nav-inner {
                gap: 6px;
                padding: 8px 0;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-search {
                padding: 7px 12px;
            }
            .nav-search input {
                font-size: 0.85rem;
            }
            .hero {
                min-height: 60vh;
                padding: 80px 14px 44px;
            }
            .hero-title {
                font-size: 1.55rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .stat-label {
                font-size: 0.78rem;
            }
            .news-card {
                flex-direction: column;
            }
            .news-card-img {
                width: 100%;
                height: 140px;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .footer-links {
                flex-direction: column;
                gap: 16px;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 0.85rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1a1a2e;
            --primary-light: #16213e;
            --accent: #e94560;
            --accent-hover: #d63851;
            --accent-soft: rgba(233, 69, 96, 0.08);
            --gold: #f0c040;
            --gold-soft: rgba(240, 192, 64, 0.1);
            --bg: #fafafa;
            --bg-alt: #f0f1f5;
            --bg-dark: #0f0f1a;
            --surface: #ffffff;
            --surface-hover: #f8f9fc;
            --text: #1a1a2e;
            --text-secondary: #5a5d6e;
            --text-muted: #8b8fa3;
            --text-light: #b0b4c0;
            --border: #e2e4ea;
            --border-light: #eef0f5;
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-xs: 0 1px 3px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
            --shadow-xl: 0 20px 60px rgba(0,0,0,0.16);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Noto Sans SC', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --max-width: 1240px;
            --nav-height: 72px;
        }

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

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

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

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

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

        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
        }

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

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-xs);
            height: var(--nav-height);
            transition: all var(--transition);
        }

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

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

        .logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--accent), #c0395b);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.5px;
            box-shadow: 0 4px 12px rgba(233,69,96,0.3);
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .nav-search-wrap {
            display: flex;
            align-items: center;
            gap: 16px;
            flex: 1;
            justify-content: flex-end;
            max-width: 600px;
        }

        .search-box {
            position: relative;
            flex: 1;
            max-width: 360px;
        }

        .search-box input {
            width: 100%;
            padding: 10px 44px 10px 18px;
            border: 2px solid var(--border);
            border-radius: 50px;
            font-size: 0.9rem;
            color: var(--text);
            background: var(--bg);
            transition: all var(--transition);
            outline: none;
        }

        .search-box input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px var(--accent-soft);
            background: var(--surface);
        }

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

        .search-box button {
            position: absolute;
            right: 5px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--accent);
            color: #fff;
            border: none;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
            font-size: 0.9rem;
        }

        .search-box button:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 14px rgba(233,69,96,0.35);
        }

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

        .nav-link {
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--text);
            background: var(--bg-alt);
        }

        .nav-link.active {
            color: var(--accent);
            background: var(--accent-soft);
            font-weight: 600;
        }

        .nav-cta-btn {
            padding: 9px 20px;
            border-radius: 50px;
            font-size: 0.88rem;
            font-weight: 600;
            color: #fff;
            background: var(--accent);
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(233,69,96,0.25);
        }

        .nav-cta-btn:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 20px rgba(233,69,96,0.4);
            transform: translateY(-1px);
            color: #fff;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            cursor: pointer;
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }

        .mobile-toggle:hover {
            background: var(--bg-alt);
        }

        /* ============ PAGE BANNER ============ */
        .page-banner {
            position: relative;
            padding: 70px 0 60px;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,26,46,0.88) 0%, rgba(22,33,62,0.82) 40%, rgba(15,15,26,0.9) 100%);
            z-index: 1;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--bg) 0%, transparent 100%);
            z-index: 2;
        }

        .page-banner .container {
            position: relative;
            z-index: 3;
        }

        .banner-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .banner-breadcrumb a {
            color: rgba(255,255,255,0.8);
            transition: color var(--transition);
        }

        .banner-breadcrumb a:hover {
            color: #fff;
        }

        .banner-breadcrumb .sep {
            font-size: 0.7rem;
            opacity: 0.5;
        }

        .banner-breadcrumb .current {
            color: var(--gold);
            font-weight: 500;
        }

        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
            line-height: 1.2;
        }

        .page-banner .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.75);
            max-width: 600px;
            line-height: 1.6;
        }

        .banner-stats-row {
            display: flex;
            gap: 32px;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        .banner-stat {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
        }

        .banner-stat .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1;
        }

        .banner-stat .stat-label {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.7);
            line-height: 1.3;
        }

        /* ============ MAIN CONTENT ============ */
        .main-content {
            flex: 1;
        }

        .section {
            padding: 64px 0;
        }

        .section-sm {
            padding: 48px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-header .section-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 50px;
            background: var(--accent-soft);
            color: var(--accent);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.3px;
            margin-bottom: 10px;
        }

        .section-header p {
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto;
            font-size: 0.95rem;
        }

        /* ============ GUIDE CARDS GRID ============ */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        .guide-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .guide-card-img {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg-alt);
        }

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

        .guide-card:hover .guide-card-img img {
            transform: scale(1.06);
        }

        .guide-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(0,0,0,0.65);
            color: #fff;
            backdrop-filter: blur(8px);
            letter-spacing: 0.5px;
        }

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

        .guide-card-badge.new {
            background: #2ecc71;
        }

        .guide-card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .guide-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.4;
            letter-spacing: -0.2px;
        }

        .guide-card-body p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .guide-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }

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

        .guide-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.88rem;
            transition: all var(--transition);
            margin-top: 4px;
        }

        .guide-card-link:hover {
            gap: 10px;
            color: var(--accent-hover);
        }

        .guide-card-link i {
            font-size: 0.75rem;
            transition: transform var(--transition);
        }

        .guide-card-link:hover i {
            transform: translateX(3px);
        }

        /* ============ STEPS FLOW ============ */
        .steps-section {
            background: var(--bg-dark);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .steps-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -120px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(233,69,96,0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .steps-section .section-header h2 {
            color: #fff;
        }

        .steps-section .section-header p {
            color: rgba(255,255,255,0.65);
        }

        .steps-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-card {
            text-align: center;
            padding: 30px 20px;
            background: rgba(255,255,255,0.04);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255,255,255,0.08);
            transition: all var(--transition);
            position: relative;
        }

        .step-card:hover {
            background: rgba(255,255,255,0.08);
            border-color: rgba(255,255,255,0.18);
            transform: translateY(-3px);
        }

        .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), #c0395b);
            color: #fff;
            font-size: 1.3rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 8px 24px rgba(233,69,96,0.35);
        }

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

        .step-card p {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.6);
            line-height: 1.5;
        }

        /* ============ HIGHLIGHT LIST ============ */
        .highlight-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }

        .highlight-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 20px 22px;
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .highlight-item:hover {
            box-shadow: var(--shadow);
            border-color: transparent;
        }

        .highlight-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--accent-soft);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .highlight-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .highlight-info p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--bg-alt);
        }

        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            margin-bottom: 12px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            user-select: none;
            transition: color var(--transition);
        }

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

        .faq-question i {
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(233,69,96,0.18) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .cta-section p {
            color: rgba(255,255,255,0.7);
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            font-size: 0.95rem;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            background: var(--accent);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            box-shadow: 0 6px 22px rgba(233,69,96,0.35);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            box-shadow: 0 8px 28px rgba(233,69,96,0.5);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.35);
            cursor: pointer;
            transition: all var(--transition);
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.08);
            color: #fff;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 50px 0 28px;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.5fr 2fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }

        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.5);
            line-height: 1.6;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.5);
            font-size: 0.88rem;
            padding: 5px 0;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.4);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-flow {
                grid-template-columns: repeat(2, 1fr);
            }
            .highlight-list {
                grid-template-columns: 1fr;
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
            .nav-search-wrap {
                max-width: 400px;
            }
            .search-box {
                max-width: 240px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                gap: 12px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--surface);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-search-wrap {
                max-width: none;
                flex: 1;
            }
            .search-box {
                max-width: none;
            }
            .guide-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .steps-flow {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .page-banner {
                padding: 44px 0 40px;
            }
            .page-banner h1 {
                font-size: 1.7rem;
            }
            .banner-stats-row {
                gap: 16px;
            }
            .banner-stat .stat-num {
                font-size: 1.5rem;
            }
            .section {
                padding: 44px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-links {
                grid-template-columns: 1fr 1fr;
            }
            .highlight-item {
                flex-direction: column;
                gap: 10px;
            }
        }

        @media (max-width: 520px) {
            .steps-flow {
                grid-template-columns: 1fr;
            }
            .page-banner h1 {
                font-size: 1.4rem;
            }
            .banner-stats-row {
                flex-direction: column;
                gap: 10px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary, .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .container {
                padding: 0 16px;
            }
            .logo-text {
                font-size: 1rem;
            }
            .search-box input {
                padding: 9px 38px 9px 14px;
                font-size: 0.82rem;
            }
        }

/* roulang page: article */
:root {
            --primary: #1a1a2e;
            --primary-light: #25254a;
            --accent: #e63946;
            --accent-hover: #c1121f;
            --accent-glow: rgba(230, 57, 70, 0.35);
            --gold: #d4a853;
            --gold-light: #f0d68a;
            --bg: #fafaf8;
            --bg-alt: #f2f0eb;
            --bg-dark: #0d0d1a;
            --bg-card: #ffffff;
            --text: #1a1a2e;
            --text-secondary: #5a5a72;
            --text-light: #8888a0;
            --text-on-dark: #e8e8f0;
            --border: #e2e0da;
            --border-light: #f0eee8;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.06);
            --shadow: 0 4px 16px rgba(0,0,0,0.06), 0 2px 6px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.05);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.12), 0 8px 24px rgba(0,0,0,0.08);
            --shadow-xl: 0 32px 80px rgba(0,0,0,0.16), 0 12px 36px rgba(0,0,0,0.1);
            --font-sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --max-width: 1280px;
            --content-width: 780px;
            --nav-height: 72px;
        }

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

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

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

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

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul, ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        .container--narrow {
            max-width: var(--content-width);
        }

        /* HEADER & NAV */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: background var(--transition), box-shadow var(--transition);
        }

        .site-header.scrolled {
            background: rgba(255,255,255,0.95);
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 20px;
        }

        .header-logo {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--primary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }

        .header-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .header-logo:hover {
            color: var(--accent);
        }

        /* 搜索框 - 导航视觉中心 */
        .nav-search-wrapper {
            flex: 1;
            max-width: 440px;
            position: relative;
        }

        .nav-search {
            width: 100%;
            display: flex;
            align-items: center;
            background: var(--bg-alt);
            border: 2px solid transparent;
            border-radius: 50px;
            padding: 10px 18px;
            transition: all var(--transition);
            gap: 10px;
        }

        .nav-search:focus-within {
            border-color: var(--accent);
            background: #fff;
            box-shadow: 0 0 0 6px var(--accent-glow);
        }

        .nav-search .search-icon {
            color: var(--text-light);
            font-size: 1rem;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }

        .nav-search:focus-within .search-icon {
            color: var(--accent);
        }

        .nav-search input {
            flex: 1;
            border: none;
            background: transparent;
            font-size: 0.95rem;
            color: var(--text);
            min-width: 0;
        }

        .nav-search input::placeholder {
            color: var(--text-light);
            font-size: 0.9rem;
        }

        .nav-search button {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
        }

        .nav-search button:hover {
            background: var(--accent-hover);
            transform: scale(1.05);
        }

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

        .nav-link {
            padding: 10px 18px;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.93rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            position: relative;
        }

        .nav-link:hover {
            color: var(--text);
            background: var(--bg-alt);
        }

        .nav-link.active {
            color: var(--accent);
            font-weight: 600;
            background: rgba(230,57,70,0.06);
        }

        .nav-cta-btn {
            padding: 10px 22px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.93rem;
            background: var(--accent);
            color: #fff;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(230,57,70,0.3);
            margin-left: 4px;
        }

        .nav-cta-btn:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 22px rgba(230,57,70,0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        .mobile-menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--text);
            background: var(--bg-alt);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-menu-toggle:hover {
            background: var(--border);
        }

        /* ARTICLE BANNER */
        .article-banner {
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: flex-end;
            padding: 60px 0 50px;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center 30%;
            overflow: hidden;
        }

        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13,13,26,0.35) 0%, rgba(13,13,26,0.7) 50%, rgba(13,13,26,0.92) 100%);
            z-index: 1;
        }

        .article-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg) 0%, transparent 100%);
            z-index: 2;
        }

        .article-banner-content {
            position: relative;
            z-index: 3;
            width: 100%;
            max-width: var(--content-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        .article-meta-top {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .article-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.02em;
        }

        .article-category-badge i {
            font-size: 0.7rem;
        }

        .article-date-badge {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.75);
            font-weight: 400;
        }

        .article-banner-title {
            font-size: 2.4rem;
            font-weight: 900;
            line-height: 1.25;
            color: #fff;
            letter-spacing: -0.02em;
            text-shadow: 0 2px 20px rgba(0,0,0,0.5);
            max-width: 700px;
        }

        /* BREADCRUMB */
        .breadcrumb-bar {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.88rem;
            color: var(--text-light);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .sep {
            color: var(--border);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ARTICLE MAIN */
        .article-main {
            padding: 50px 0 70px;
        }

        .article-layout {
            display: flex;
            gap: 56px;
            align-items: flex-start;
        }

        .article-content-area {
            flex: 1;
            min-width: 0;
            max-width: var(--content-width);
        }

        .article-sidebar {
            width: 320px;
            flex-shrink: 0;
            position: sticky;
            top: calc(var(--nav-height) + 30px);
        }

        .article-body {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 48px 44px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }

        .article-body h2 {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--primary);
            margin: 36px 0 16px;
            line-height: 1.35;
            letter-spacing: -0.01em;
        }

        .article-body h2:first-child {
            margin-top: 0;
        }

        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--primary);
            margin: 28px 0 12px;
            line-height: 1.4;
        }

        .article-body p {
            margin-bottom: 18px;
            color: var(--text);
            line-height: 1.85;
            font-size: 1.03rem;
        }

        .article-body ul, .article-body ol {
            margin: 16px 0 20px 20px;
        }

        .article-body ul {
            list-style: none;
        }

        .article-body ul li {
            position: relative;
            padding-left: 22px;
            margin-bottom: 10px;
            line-height: 1.75;
        }

        .article-body ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
        }

        .article-body ol li {
            margin-bottom: 10px;
            line-height: 1.75;
            padding-left: 4px;
        }

        .article-body blockquote {
            margin: 28px 0;
            padding: 22px 28px;
            background: var(--bg-alt);
            border-left: 4px solid var(--accent);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-secondary);
            font-size: 1.02rem;
            line-height: 1.8;
        }

        .article-body img {
            border-radius: var(--radius);
            margin: 28px 0;
            box-shadow: var(--shadow-sm);
            width: 100%;
        }

        .article-body a {
            color: var(--accent);
            font-weight: 500;
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: all var(--transition-fast);
        }

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

        .article-body code {
            background: var(--bg-alt);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--accent);
        }

        .article-body pre {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 24px;
            border-radius: var(--radius);
            overflow-x: auto;
            margin: 24px 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* ARTICLE FOOTER META */
        .article-footer-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
        }

        .article-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }

        .article-tag {
            padding: 6px 14px;
            background: var(--bg-alt);
            border-radius: 50px;
            font-size: 0.82rem;
            color: var(--text-secondary);
            font-weight: 500;
            transition: all var(--transition-fast);
        }

        .article-tag:hover {
            background: var(--border);
            color: var(--text);
        }

        .article-share {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .article-share span {
            font-size: 0.85rem;
            color: var(--text-light);
            font-weight: 500;
        }

        .share-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            background: var(--bg-alt);
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

        .share-btn:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        /* SIDEBAR */
        .sidebar-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            margin-bottom: 24px;
        }

        .sidebar-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 18px;
            letter-spacing: -0.01em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card h4 i {
            color: var(--accent);
            font-size: 0.85rem;
        }

        .sidebar-post-item {
            display: flex;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-fast);
        }

        .sidebar-post-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .sidebar-post-item:hover {
            transform: translateX(3px);
        }

        .sidebar-post-thumb {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-alt);
        }

        .sidebar-post-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .sidebar-post-info {
            flex: 1;
            min-width: 0;
        }

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

        .sidebar-post-item:hover .sp-title {
            color: var(--accent);
        }

        .sidebar-post-info .sp-date {
            font-size: 0.78rem;
            color: var(--text-light);
            margin-top: 4px;
        }

        /* NOT FOUND STATE */
        .not-found-state {
            text-align: center;
            padding: 80px 28px;
        }

        .not-found-icon {
            font-size: 5rem;
            color: var(--border);
            margin-bottom: 24px;
        }

        .not-found-state h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .not-found-state p {
            color: var(--text-secondary);
            margin-bottom: 28px;
            font-size: 1.05rem;
        }

        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--accent);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            box-shadow: 0 6px 20px rgba(230,57,70,0.3);
        }

        .btn-back-home:hover {
            background: var(--accent-hover);
            box-shadow: 0 8px 28px rgba(230,57,70,0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        /* RELATED POSTS SECTION */
        .related-section {
            padding: 60px 0 70px;
            background: var(--bg-alt);
        }

        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-label {
            display: inline-block;
            padding: 6px 18px;
            background: rgba(230,57,70,0.08);
            color: var(--accent);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-top: 8px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }

        .related-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

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

        .related-card-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg-alt);
        }

        .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(1.06);
        }

        .related-card-body {
            padding: 18px 20px 20px;
        }

        .related-card-cat {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.03em;
            margin-bottom: 8px;
        }

        .related-card-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

        .related-card:hover .related-card-title {
            color: var(--accent);
        }

        .related-card-date {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-top: 10px;
        }

        /* CTA SECTION */
        .cta-section {
            padding: 70px 0;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13,13,26,0.9) 0%, rgba(26,26,46,0.85) 100%);
            z-index: 1;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 14px;
        }

        .cta-inner p {
            font-size: 1.08rem;
            color: rgba(255,255,255,0.75);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary-lg {
            padding: 15px 36px;
            background: var(--accent);
            color: #fff;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition);
            box-shadow: 0 8px 28px rgba(230,57,70,0.4);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary-lg:hover {
            background: var(--accent-hover);
            box-shadow: 0 12px 36px rgba(230,57,70,0.55);
            transform: translateY(-3px);
            color: #fff;
        }

        .btn-outline-lg {
            padding: 15px 36px;
            background: transparent;
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.05rem;
            border: 2px solid rgba(255,255,255,0.35);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline-lg:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.06);
            color: #fff;
        }

        /* FOOTER */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 50px 0 30px;
        }

        .footer-inner {
            display: flex;
            gap: 50px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }

        .footer-brand {
            flex: 1;
            min-width: 240px;
        }

        .footer-logo {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 10px;
        }

        .footer-brand p {
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            line-height: 1.6;
            max-width: 280px;
        }

        .footer-links {
            display: flex;
            gap: 50px;
            flex-wrap: wrap;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }

        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.6);
            font-size: 0.88rem;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
        }

        /* RESPONSIVE */
        @media (max-width: 1200px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-layout {
                gap: 36px;
            }
            .article-sidebar {
                width: 260px;
            }
        }

        @media (max-width: 1024px) {
            .article-layout {
                flex-direction: column;
            }
            .article-sidebar {
                width: 100%;
                position: static;
                order: -1;
            }
            .article-content-area {
                max-width: 100%;
            }
            .nav-search-wrapper {
                max-width: 280px;
            }
            .article-banner {
                min-height: 240px;
                padding: 40px 0 40px;
            }
            .article-banner-title {
                font-size: 1.8rem;
            }
            .article-body {
                padding: 32px 24px;
            }
        }

        @media (max-width: 768px) {
            .nav-search-wrapper {
                display: none;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-link {
                padding: 8px 12px;
                font-size: 0.82rem;
            }
            .nav-cta-btn {
                padding: 8px 14px;
                font-size: 0.82rem;
            }
            .header-logo {
                font-size: 1.15rem;
            }
            .header-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .article-banner {
                min-height: 200px;
                padding: 30px 0 35px;
            }
            .article-banner-title {
                font-size: 1.45rem;
            }
            .article-body {
                padding: 24px 18px;
                border-radius: var(--radius);
            }
            .article-body h2 {
                font-size: 1.3rem;
            }
            .article-body h3 {
                font-size: 1.1rem;
            }
            .article-body p {
                font-size: 0.95rem;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .related-card-body {
                padding: 14px;
            }
            .related-card-title {
                font-size: 0.85rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cta-inner h2 {
                font-size: 1.5rem;
            }
            .footer-inner {
                flex-direction: column;
                gap: 30px;
            }
            .footer-links {
                gap: 30px;
            }
            .article-footer-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 14px;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 28px;
                gap: 4px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-link, .nav-cta-btn {
                width: 100%;
                text-align: center;
                border-radius: var(--radius);
                padding: 12px 16px;
            }
            .nav-cta-btn {
                margin-left: 0;
                margin-top: 6px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .article-banner {
                min-height: 170px;
                padding: 24px 0 30px;
            }
            .article-banner-title {
                font-size: 1.2rem;
            }
            .article-category-badge {
                font-size: 0.75rem;
                padding: 5px 12px;
            }
            .article-date-badge {
                font-size: 0.75rem;
            }
            .article-body {
                padding: 20px 14px;
                border-radius: var(--radius-sm);
            }
            .article-body h2 {
                font-size: 1.2rem;
            }
            .article-body p {
                font-size: 0.9rem;
                line-height: 1.7;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .btn-primary-lg, .btn-outline-lg {
                padding: 12px 24px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
            .cta-buttons {
                flex-direction: column;
                gap: 10px;
            }
            .not-found-state h2 {
                font-size: 1.4rem;
            }
            .header-logo {
                font-size: 1.05rem;
            }
            .site-header {
                height: 60px;
            }
            :root {
                --nav-height: 60px;
            }
        }