/* roulang page: index */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #252547;
            --color-accent: #c9a96e;
            --color-accent-light: #e8c97a;
            --color-accent-glow: #f0d68a;
            --color-bg: #f8f7f4;
            --color-bg-alt: #f0ede6;
            --color-bg-dark: #1a1a2e;
            --color-surface: #ffffff;
            --color-surface-hover: #fafaf7;
            --color-text: #2d2d2d;
            --color-text-weak: #6b6b6b;
            --color-text-light: #999999;
            --color-border: #e5e1d8;
            --color-border-light: #f0ede6;
            --color-success: #4a9c6c;
            --color-warning: #d4a44c;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --shadow-glow: 0 0 40px rgba(201, 169, 110, 0.25);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --container-max: 1200px;
            --container-narrow: 860px;
            --nav-height: 64px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            letter-spacing: 0.01em;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }
        h1 {
            font-size: clamp(2rem, 5vw, 3.2rem);
        }
        h2 {
            font-size: clamp(1.5rem, 3.5vw, 2.2rem);
        }
        h3 {
            font-size: clamp(1.15rem, 2.2vw, 1.5rem);
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 clamp(16px, 3vw, 32px);
        }
        .container--narrow {
            max-width: var(--container-narrow);
        }

        /* ===== NAVIGATION : 悬浮胶囊导航 ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: auto;
            max-width: calc(100vw - 32px);
            transition: all var(--transition-base);
        }
        .site-header.scrolled {
            top: 8px;
        }
        .nav-capsule {
            display: flex;
            align-items: center;
            gap: 0;
            background: rgba(26, 26, 46, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-full);
            padding: 6px 8px 6px 20px;
            box-shadow: var(--shadow-lg), 0 0 0 1px rgba(201, 169, 110, 0.15) inset;
            white-space: nowrap;
            transition: all var(--transition-base);
        }
        .nav-capsule:hover {
            box-shadow: var(--shadow-lg), var(--shadow-glow);
            border-color: rgba(201, 169, 110, 0.35);
        }
        .nav-logo {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            color: #ffffff;
            letter-spacing: 0.02em;
            white-space: nowrap;
            margin-right: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-logo .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #1a1a2e;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            border-radius: var(--radius-full);
            color: rgba(255, 255, 255, 0.82);
            font-size: 0.9rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: #ffffff;
            background: rgba(201, 169, 110, 0.2);
        }
        .nav-links a.active {
            background: rgba(201, 169, 110, 0.28);
            color: var(--color-accent-light);
            font-weight: 600;
            box-shadow: 0 0 16px rgba(201, 169, 110, 0.15) inset;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            color: #1a1a2e !important;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            margin-left: 8px;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.35);
            white-space: nowrap;
        }
        .nav-cta-btn:hover {
            box-shadow: 0 6px 24px rgba(201, 169, 110, 0.55);
            transform: translateY(-1px);
            color: #1a1a2e !important;
            background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent-glow));
        }
        .nav-hamburger {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            flex-shrink: 0;
            margin-left: 4px;
            transition: all var(--transition-fast);
        }
        .nav-hamburger:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        /* ===== HERO ===== */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 140px 20px 80px;
            overflow: hidden;
            background: var(--color-bg-dark);
            color: #ffffff;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            opacity: 0.35;
            z-index: 0;
            filter: brightness(0.7) saturate(1.1);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(26, 26, 46, 0.35) 0%, rgba(26, 26, 46, 0.85) 70%, rgba(26, 26, 46, 0.95) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 750px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(201, 169, 110, 0.2);
            border: 1px solid rgba(201, 169, 110, 0.4);
            border-radius: var(--radius-full);
            padding: 8px 20px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-accent-light);
            letter-spacing: 0.04em;
            margin-bottom: 24px;
            animation: fadeInUp 0.6s ease forwards;
        }
        .hero-badge i {
            font-size: 0.7rem;
            color: var(--color-accent-light);
        }
        .hero-title {
            font-size: clamp(2.2rem, 6vw, 3.8rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 20px;
            animation: fadeInUp 0.6s ease 0.1s forwards;
            opacity: 0;
            animation-fill-mode: forwards;
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent-glow));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 36px;
            line-height: 1.75;
            animation: fadeInUp 0.6s ease 0.2s forwards;
            opacity: 0;
            animation-fill-mode: forwards;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            animation: fadeInUp 0.6s ease 0.3s forwards;
            opacity: 0;
            animation-fill-mode: forwards;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            color: #1a1a2e;
            box-shadow: 0 6px 28px rgba(201, 169, 110, 0.4);
        }
        .btn-primary:hover {
            box-shadow: 0 10px 36px rgba(201, 169, 110, 0.6);
            transform: translateY(-2px);
            color: #1a1a2e;
        }
        .btn-outline {
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.35);
        }
        .btn-outline:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
            transform: translateY(-2px);
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(28px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ===== SECTIONS ===== */
        .section {
            padding: clamp(50px, 8vw, 90px) 0;
        }
        .section--alt {
            background: var(--color-bg-alt);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            margin-bottom: 12px;
            color: var(--color-primary);
        }
        .section-header .section-subtitle {
            color: var(--color-text-weak);
            font-size: 1rem;
            max-width: 520px;
            margin: 0 auto;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        /* ===== FEATURE CARDS GRID ===== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(201, 169, 110, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-accent);
            margin-bottom: 16px;
        }
        .card h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--color-primary);
        }
        .card p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
        }
        .card-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            background: rgba(74, 156, 108, 0.12);
            color: var(--color-success);
            padding: 4px 10px;
            border-radius: var(--radius-full);
        }

        /* ===== CATEGORY ENTRY CARDS ===== */
        .category-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 20px;
        }
        .cat-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--color-surface);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .cat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .cat-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .cat-card-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .cat-card-body h3 {
            font-size: 1.1rem;
            margin-bottom: 6px;
        }
        .cat-card-body p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            flex: 1;
        }
        .cat-card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-accent);
            margin-top: 12px;
            transition: gap var(--transition-fast);
        }
        .cat-card-link:hover {
            gap: 8px;
            color: var(--color-accent);
        }

        /* ===== LIST BLOCK (CMS) ===== */
        .post-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .post-item {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            padding: 18px 20px;
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-xs);
        }
        .post-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--color-border);
            transform: translateX(2px);
        }
        .post-item-thumb {
            width: 72px;
            height: 72px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--color-bg-alt);
        }
        .post-item-info {
            flex: 1;
            min-width: 0;
        }
        .post-item-info h4 {
            font-size: 1rem;
            margin-bottom: 4px;
            font-weight: 600;
        }
        .post-item-info h4 a {
            color: var(--color-primary);
        }
        .post-item-info h4 a:hover {
            color: var(--color-accent);
        }
        .post-item-meta {
            font-size: 0.8rem;
            color: var(--color-text-light);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .post-item-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .post-item-excerpt {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            margin-top: 6px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .empty-state {
            text-align: center;
            padding: 40px 20px;
            color: var(--color-text-weak);
            font-size: 0.95rem;
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px dashed var(--color-border);
        }

        /* ===== STATS ROW ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .stat-item {
            padding: 28px 16px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-accent);
            font-family: var(--font-heading);
            line-height: 1;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            margin-top: 6px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item summary {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--color-primary);
            letter-spacing: 0.01em;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.75rem;
            color: var(--color-text-light);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-item .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.7;
        }
        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
        }
        .faq-item[open] {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
        }

        /* ===== CTA ===== */
        .cta-section {
            text-align: center;
            background: var(--color-bg-dark);
            color: #ffffff;
            border-radius: var(--radius-xl);
            padding: clamp(40px, 7vw, 70px) clamp(24px, 5vw, 50px);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .cta-section>* {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            color: #ffffff;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 28px;
            margin-top: auto;
            border-top: 4px solid rgba(201, 169, 110, 0.3);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand-name {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.15rem;
            color: #ffffff;
            letter-spacing: 0.03em;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-col h4 {
            color: #ffffff;
            font-size: 0.9rem;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
            font-weight: 600;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .category-cards {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .site-header {
                top: 8px;
            }
            .nav-capsule {
                padding: 6px 10px 6px 14px;
                gap: 0;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 10px);
                left: 50%;
                transform: translateX(-50%);
                background: rgba(26, 26, 46, 0.95);
                backdrop-filter: blur(20px);
                border-radius: var(--radius-lg);
                padding: 12px 8px;
                flex-direction: column;
                gap: 2px;
                min-width: 200px;
                border: 1px solid rgba(255, 255, 255, 0.12);
                box-shadow: var(--shadow-lg);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 10px 16px;
                border-radius: var(--radius-md);
                width: 100%;
            }
            .nav-cta-btn {
                margin-left: 0;
                margin-top: 4px;
                width: 100%;
                justify-content: center;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-logo {
                font-size: 0.9rem;
                margin-right: 6px;
            }
            .hero-section {
                min-height: 70vh;
                padding: 120px 16px 60px;
            }
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .category-cards {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .post-item {
                flex-direction: column;
            }
            .post-item-thumb {
                width: 100%;
                height: 140px;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
            .btn {
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .stats-row {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .nav-capsule {
                padding: 4px 8px 4px 12px;
            }
            .nav-logo {
                font-size: 0.8rem;
            }
            .nav-logo .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.7rem;
            }
            .section {
                padding: 40px 0;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #1a6b4b;
            --color-primary-dark: #145a3e;
            --color-primary-light: #e8f5e9;
            --color-accent: #e8a838;
            --color-accent-dark: #c98c20;
            --color-accent-light: #fff8e8;
            --color-bg: #f7f8f6;
            --color-surface: #ffffff;
            --color-text: #1d1d1f;
            --color-text-secondary: #5c5c5e;
            --color-text-muted: #8e8e93;
            --color-border: #e5e5e7;
            --color-border-light: #f0f0f2;
            --color-danger: #d32f2f;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.14);
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-spring: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
            --max-width: 1200px;
            --max-width-narrow: 820px;
            --header-height: 72px;
            --section-gap: 64px;
            --section-gap-sm: 40px;
        }

        *,
        *::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(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
        }

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

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

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

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

        ul {
            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);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER ========== */
        .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(--color-border-light);
            transition: box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 24px;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary), #228b5e);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--color-bg);
            border-radius: var(--radius-full);
            padding: 5px 6px;
            border: 1px solid var(--color-border-light);
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 9px 18px;
            border-radius: var(--radius-full);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--color-text);
            background: rgba(26, 107, 75, 0.06);
        }

        .nav-links a.active {
            color: #fff;
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }

        .nav-links a.active:hover {
            background: var(--color-primary-dark);
            color: #fff;
        }

        .nav-links .nav-cta-btn {
            background: var(--color-accent) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 9px 20px !important;
            box-shadow: 0 2px 8px rgba(232, 168, 56, 0.3);
        }

        .nav-links .nav-cta-btn:hover {
            background: var(--color-accent-dark) !important;
            color: #fff !important;
            box-shadow: 0 4px 14px rgba(232, 168, 56, 0.4);
            transform: translateY(-1px);
        }

        .mobile-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--color-bg);
            border: 1px solid var(--color-border-light);
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-text);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-menu-btn:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        /* ========== ARTICLE BANNER ========== */
        .article-banner {
            position: relative;
            background: linear-gradient(160deg, #1a3c2a 0%, #1a6b4b 40%, #0d3b28 100%);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 56px 0 48px;
            color: #fff;
            overflow: hidden;
        }

        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(232, 168, 56, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }

        .article-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40px;
            background: linear-gradient(to top, var(--color-bg), transparent);
            pointer-events: none;
        }

        .article-banner-content {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: #fff;
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: #fff;
            font-weight: 500;
            opacity: 0.9;
        }

        .article-banner .article-category-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(6px);
            color: #fff;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: 0.82rem;
            font-weight: 500;
            margin-bottom: 16px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .article-banner h1 {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            max-width: 750px;
        }

        .article-banner .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }

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

        /* ========== MAIN LAYOUT ========== */
        .article-main {
            padding: var(--section-gap) 0;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 40px;
            align-items: start;
        }

        .article-content-area {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }

        .article-content-area .article-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--color-text);
        }

        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 36px 0 16px;
            color: var(--color-text);
            line-height: 1.3;
        }

        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin: 28px 0 12px;
            color: var(--color-text);
            line-height: 1.35;
        }

        .article-body h2:first-child,
        .article-body h3:first-child {
            margin-top: 0;
        }

        .article-body p {
            margin-bottom: 16px;
        }

        .article-body ul,
        .article-body ol {
            margin: 16px 0;
            padding-left: 24px;
        }

        .article-body ul {
            list-style: disc;
        }

        .article-body ol {
            list-style: decimal;
        }

        .article-body li {
            margin-bottom: 8px;
            line-height: 1.7;
        }

        .article-body blockquote {
            border-left: 4px solid var(--color-primary);
            background: var(--color-primary-light);
            margin: 24px 0;
            padding: 18px 22px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-primary-dark);
            font-style: italic;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            max-width: 100%;
        }

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

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

        .article-body code {
            background: var(--color-bg);
            padding: 3px 8px;
            border-radius: 4px;
            font-family: var(--font-mono);
            font-size: 0.9em;
            color: #c7254e;
        }

        .article-body pre {
            background: #1d1d1f;
            color: #e0e0e0;
            padding: 20px 24px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 20px 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .article-body pre code {
            background: transparent;
            color: inherit;
            padding: 0;
            font-size: inherit;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 0.95rem;
        }

        .article-body table th,
        .article-body table td {
            border: 1px solid var(--color-border);
            padding: 10px 14px;
            text-align: left;
        }

        .article-body table th {
            background: var(--color-bg);
            font-weight: 600;
            color: var(--color-text);
        }

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

        .sidebar-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--color-border-light);
        }

        .sidebar-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card h4 i {
            color: var(--color-primary);
            font-size: 0.95rem;
        }

        .sidebar-post-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .sidebar-post-item {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding: 10px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .sidebar-post-item:hover {
            background: var(--color-bg);
        }

        .sidebar-post-item .sp-thumb {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--color-bg);
        }

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

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

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

        .sidebar-cta-box {
            background: linear-gradient(135deg, var(--color-primary), #1e7d58);
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            border: none;
        }

        .sidebar-cta-box h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 8px;
        }

        .sidebar-cta-box p {
            font-size: 0.88rem;
            opacity: 0.9;
            margin-bottom: 16px;
            line-height: 1.5;
        }

        .sidebar-cta-box .btn-sidebar-cta {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            box-shadow: 0 3px 12px rgba(232, 168, 56, 0.35);
        }

        .sidebar-cta-box .btn-sidebar-cta:hover {
            background: var(--color-accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(232, 168, 56, 0.45);
        }

        /* ========== RELATED POSTS ========== */
        .related-section {
            padding: var(--section-gap) 0;
            background: var(--color-surface);
            border-top: 1px solid var(--color-border-light);
        }

        .related-section .section-title {
            font-size: 1.4rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 32px;
            color: var(--color-text);
        }

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

        .related-card {
            background: var(--color-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

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

        .related-card .rc-image {
            width: 100%;
            height: 160px;
            object-fit: cover;
            background: #e0e0e0;
        }

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

        .related-card .rc-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-primary-light);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            margin-bottom: 8px;
        }

        .related-card .rc-title {
            font-size: 0.95rem;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .rc-date {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 6px;
        }

        /* ========== NOT FOUND ========== */
        .not-found-section {
            padding: 80px 0;
            text-align: center;
        }

        .not-found-icon {
            font-size: 4rem;
            color: var(--color-text-muted);
            margin-bottom: 20px;
        }

        .not-found-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--color-text);
        }

        .not-found-section p {
            color: var(--color-text-secondary);
            margin-bottom: 24px;
            font-size: 1rem;
        }

        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary);
            color: #fff;
            padding: 12px 26px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }

        .btn-back-home:hover {
            background: var(--color-primary-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: var(--section-gap) 0;
            background: linear-gradient(160deg, #1a3c2a 0%, #1a6b4b 50%, #0d3b28 100%);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(232, 168, 56, 0.12) 0%, transparent 60%);
            pointer-events: none;
        }

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

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .cta-section p {
            font-size: 1.05rem;
            opacity: 0.85;
            margin-bottom: 28px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--color-accent);
            color: #fff;
            padding: 14px 34px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition-spring);
            box-shadow: 0 6px 22px rgba(232, 168, 56, 0.4);
            letter-spacing: 0.01em;
        }

        .btn-cta-large:hover {
            background: #f0b84a;
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(232, 168, 56, 0.5);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1c1e;
            color: #c5c5c7;
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand-name {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.6;
            color: #a0a0a4;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #e0e0e0;
            margin-bottom: 14px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: #a0a0a4;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: #7a7a7e;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr 280px;
                gap: 28px;
            }

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

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

            .footer-grid .footer-col:first-child {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
                --section-gap: 40px;
                --section-gap-sm: 28px;
            }

            .header-inner {
                gap: 12px;
            }

            .header-logo {
                font-size: 1rem;
            }

            .header-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }

            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 16px;
                right: 16px;
                flex-direction: column;
                background: var(--color-surface);
                border-radius: var(--radius-lg);
                padding: 12px 8px;
                box-shadow: var(--shadow-xl);
                border: 1px solid var(--color-border);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-smooth);
                z-index: 999;
            }

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

            .nav-links a {
                width: 100%;
                justify-content: center;
                padding: 12px 18px;
                border-radius: var(--radius-md);
                font-size: 0.95rem;
            }

            .mobile-menu-btn {
                display: flex;
            }

            .article-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .article-sidebar {
                position: static;
                top: auto;
            }

            .article-content-area {
                padding: 24px 20px;
                border-radius: var(--radius-md);
            }

            .article-banner {
                padding: 40px 0 32px;
            }

            .article-banner h1 {
                font-size: 1.5rem;
            }

            .related-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .related-card .rc-image {
                height: 130px;
            }

            .cta-section h2 {
                font-size: 1.4rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .footer-grid .footer-col:first-child {
                grid-column: 1 / -1;
            }

            .article-body {
                font-size: 1rem;
            }

            .article-body h2 {
                font-size: 1.3rem;
            }

            .article-body h3 {
                font-size: 1.1rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .container-narrow {
                padding: 0 16px;
            }

            .article-content-area {
                padding: 18px 14px;
                border-radius: var(--radius-sm);
            }

            .article-banner h1 {
                font-size: 1.3rem;
            }

            .article-banner .article-meta {
                font-size: 0.8rem;
                gap: 10px;
            }

            .breadcrumb {
                font-size: 0.78rem;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }

            .related-card .rc-image {
                height: 160px;
            }

            .sidebar-card {
                padding: 18px 14px;
            }

            .cta-section {
                padding: 40px 0;
            }

            .cta-section h2 {
                font-size: 1.25rem;
            }

            .btn-cta-large {
                padding: 12px 26px;
                font-size: 0.95rem;
            }

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

            .article-body {
                font-size: 0.95rem;
                line-height: 1.75;
            }
        }

/* roulang page: category1 */
/* ==================== 设计变量 ==================== */
        :root {
            --color-primary: #1e40af;
            --color-primary-light: #3b82f6;
            --color-primary-dark: #1e3a8a;
            --color-accent: #f59e0b;
            --color-accent-light: #fbbf24;
            --color-accent-dark: #d97706;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-weak: #64748b;
            --color-text-muted: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --color-nav-bg: rgba(255, 255, 255, 0.85);
            --color-nav-shadow: rgba(0, 0, 0, 0.08);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-full: 9999px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 32px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

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

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
        }

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

        /* ==================== 页头 / 悬浮胶囊导航 ==================== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 32px);
            max-width: calc(var(--max-width) - 48px);
            background: var(--color-nav-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: var(--radius-full);
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(255, 255, 255, 0.6);
            transition: all var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-xl);
            background: rgba(255, 255, 255, 0.94);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 20px;
            height: 56px;
            gap: 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-primary-dark);
            white-space: nowrap;
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }

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

        .nav-links a {
            padding: 9px 18px;
            border-radius: var(--radius-full);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--color-primary);
            background: rgba(30, 64, 175, 0.06);
        }

        .nav-links a.active {
            color: var(--color-primary);
            background: rgba(30, 64, 175, 0.10);
            font-weight: 600;
        }

        .nav-cta-btn {
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark)) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 9px 20px !important;
            border-radius: var(--radius-full) !important;
            box-shadow: 0 2px 10px rgba(245, 158, 11, 0.35);
            transition: all var(--transition-fast) !important;
        }

        .nav-cta-btn:hover {
            box-shadow: 0 4px 18px rgba(245, 158, 11, 0.5) !important;
            transform: translateY(-1px);
            background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent)) !important;
            color: #fff !important;
        }

        /* 汉堡菜单按钮 */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 6px;
            line-height: 1;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }

        /* 移动端导航覆盖层 */
        .nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.4);
            z-index: 998;
            opacity: 0;
            transition: opacity var(--transition-normal);
        }

        .nav-overlay.active {
            opacity: 1;
        }

        /* ==================== 面包屑 ==================== */
        .breadcrumb-bar {
            padding-top: 120px;
            padding-bottom: 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: var(--color-text-weak);
        }

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

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

        .breadcrumb .separator {
            color: var(--color-text-muted);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ==================== Banner ==================== */
        .category-banner {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            margin-top: 24px;
            min-height: 280px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            box-shadow: var(--shadow-lg);
        }

        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 64, 175, 0.85) 0%, rgba(15, 23, 42, 0.7) 100%);
            z-index: 1;
        }

        .banner-content {
            position: relative;
            z-index: 2;
            padding: 48px 40px;
            color: #fff;
        }

        .banner-content .banner-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 4px 14px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .banner-content h1 {
            font-size: 2.4rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }

        .banner-content .banner-desc {
            font-size: 1.1rem;
            opacity: 0.9;
            max-width: 600px;
            line-height: 1.6;
        }

        .banner-stats {
            display: flex;
            gap: 32px;
            margin-top: 24px;
            flex-wrap: wrap;
        }

        .banner-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
        }

        .banner-stat-item .stat-number {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-accent-light);
        }

        /* ==================== 板块通用 ==================== */
        .section {
            padding: 56px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .section-header .section-subtitle {
            color: var(--color-text-weak);
            font-size: 1rem;
            max-width: 500px;
            margin: 0 auto;
        }

        .section-header.left-align {
            text-align: left;
        }

        .section-header.left-align .section-subtitle {
            margin: 0;
        }

        /* ==================== 子分类导航卡片 ==================== */
        .subcat-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }

        .subcat-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 24px 16px;
            text-align: center;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            cursor: pointer;
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }

        .subcat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-primary-light);
            background: #fafbff;
        }

        .subcat-card .subcat-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, #eff6ff, #dbeafe);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-primary);
            transition: all var(--transition-fast);
        }

        .subcat-card:hover .subcat-icon {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff;
            transform: scale(1.05);
        }

        .subcat-card .subcat-name {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
        }

        .subcat-card .subcat-count {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            background: var(--color-border-light);
            padding: 2px 10px;
            border-radius: var(--radius-full);
        }

        /* ==================== 攻略文章卡片网格 ==================== */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .article-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .article-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: var(--color-primary-light);
        }

        .article-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #f1f5f9;
        }

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

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

        .article-card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(0, 0, 0, 0.7);
            color: #fff;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 500;
            backdrop-filter: blur(6px);
        }

        .article-card .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .article-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.4;
        }

        .article-card .card-body h3 a {
            color: var(--color-text);
            transition: color var(--transition-fast);
        }

        .article-card .card-body h3 a:hover {
            color: var(--color-primary);
        }

        .article-card .card-excerpt {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--color-text-muted);
            padding-top: 8px;
            border-top: 1px solid var(--color-border-light);
        }

        .article-card .card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .article-card .card-read-more {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary);
            margin-top: auto;
            transition: gap var(--transition-fast);
        }

        .article-card .card-read-more:hover {
            gap: 8px;
        }

        /* ==================== 热门排行 ==================== */
        .hot-ranking-wrap {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 40px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-md);
        }

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

        .hot-rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 12px;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            border-bottom: 1px solid var(--color-border-light);
        }

        .hot-rank-item:last-child {
            border-bottom: none;
        }

        .hot-rank-item:hover {
            background: #f8fafc;
        }

        .hot-rank-item .rank-number {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.95rem;
            flex-shrink: 0;
            background: #f1f5f9;
            color: var(--color-text-weak);
        }

        .hot-rank-item:nth-child(1) .rank-number {
            background: linear-gradient(135deg, #f59e0b, #d97706);
            color: #fff;
            font-size: 1.1rem;
        }

        .hot-rank-item:nth-child(2) .rank-number {
            background: linear-gradient(135deg, #94a3b8, #64748b);
            color: #fff;
        }

        .hot-rank-item:nth-child(3) .rank-number {
            background: linear-gradient(135deg, #cd853f, #a0522d);
            color: #fff;
        }

        .hot-rank-item .rank-info {
            flex: 1;
            min-width: 0;
        }

        .hot-rank-item .rank-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            transition: color var(--transition-fast);
        }

        .hot-rank-item:hover .rank-title {
            color: var(--color-primary);
        }

        .hot-rank-item .rank-views {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
        }

        /* ==================== 步骤流程 ==================== */
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
            max-width: 800px;
            margin: 0 auto;
        }

        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }

        .step-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary-light);
        }

        .step-number {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .step-content p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
        }

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

        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            border-color: var(--color-primary-light);
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            width: 100%;
            background: none;
            padding: 18px 24px;
            text-align: left;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
            cursor: pointer;
        }

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

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

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal), padding var(--transition-normal);
            padding: 0 24px;
        }

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

        .faq-answer p {
            font-size: 0.92rem;
            color: var(--color-text-weak);
            line-height: 1.7;
        }

        /* ==================== CTA ==================== */
        .cta-section {
            background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 40%, #1d4ed8 100%);
            border-radius: var(--radius-xl);
            padding: 56px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-xl);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section>* {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .cta-section p {
            font-size: 1.05rem;
            opacity: 0.9;
            max-width: 550px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }

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

        .btn-primary-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 4px 18px rgba(245, 158, 11, 0.45);
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
        }

        .btn-primary-cta:hover {
            background: var(--color-accent-light);
            box-shadow: 0 6px 24px rgba(245, 158, 11, 0.55);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-fast);
        }

        .btn-outline-cta:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        /* ==================== 页脚 ==================== */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 56px 0 28px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #94a3b8;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            color: #94a3b8;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            font-size: 0.82rem;
            color: #64748b;
            line-height: 1.6;
        }

        /* ==================== 响应式设计 ==================== */
        @media (max-width: 1024px) {
            .subcat-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .banner-content h1 {
                font-size: 1.9rem;
            }

            .category-banner {
                min-height: 240px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
            }

            .site-header {
                top: 8px;
                width: calc(100% - 16px);
                border-radius: var(--radius-lg);
            }

            .header-inner {
                padding: 8px 14px;
                height: 48px;
            }

            .logo-link {
                font-size: 1rem;
            }

            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
            }

            .nav-links {
                position: fixed;
                top: 72px;
                left: 50%;
                transform: translateX(-50%) translateY(-20px);
                width: calc(100% - 32px);
                max-width: 440px;
                flex-direction: column;
                background: #fff;
                border-radius: var(--radius-lg);
                box-shadow: var(--shadow-xl);
                padding: 12px 8px;
                gap: 2px;
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-normal);
                z-index: 999;
            }

            .nav-links.mobile-open {
                opacity: 1;
                pointer-events: auto;
                transform: translateX(-50%) translateY(0);
            }

            .nav-links a {
                display: block;
                text-align: center;
                padding: 12px 16px;
                border-radius: var(--radius-md);
                font-size: 1rem;
            }

            .nav-cta-btn {
                margin-top: 6px;
            }

            .mobile-menu-toggle {
                display: block;
            }

            .nav-overlay {
                display: block;
                pointer-events: none;
            }

            .nav-overlay.active {
                pointer-events: auto;
            }

            .subcat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

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

            .banner-content {
                padding: 32px 24px;
            }

            .banner-content h1 {
                font-size: 1.5rem;
            }

            .banner-content .banner-desc {
                font-size: 0.95rem;
            }

            .banner-stats {
                gap: 16px;
            }

            .banner-stat-item .stat-number {
                font-size: 1.3rem;
            }

            .category-banner {
                min-height: 200px;
                border-radius: var(--radius-lg);
            }

            .section {
                padding: 36px 0;
            }

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

            .hot-ranking-wrap {
                padding: 24px 16px;
            }

            .cta-section {
                padding: 36px 20px;
                border-radius: var(--radius-lg);
            }

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

            .step-item {
                padding: 18px 16px;
                gap: 14px;
            }

            .step-number {
                width: 36px;
                height: 36px;
                font-size: 0.95rem;
            }

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

            .breadcrumb-bar {
                padding-top: 96px;
            }
        }

        @media (max-width: 520px) {
            .subcat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }

            .subcat-card {
                padding: 16px 10px;
                gap: 6px;
            }

            .subcat-card .subcat-icon {
                width: 38px;
                height: 38px;
                font-size: 1.1rem;
            }

            .subcat-card .subcat-name {
                font-size: 0.85rem;
            }

            .banner-content h1 {
                font-size: 1.3rem;
            }

            .banner-content {
                padding: 24px 16px;
            }

            .banner-stats {
                gap: 10px;
            }

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

            .btn-primary-cta,
            .btn-outline-cta {
                width: 100%;
                justify-content: center;
                padding: 12px 24px;
                font-size: 0.95rem;
            }

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

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

            .hot-rank-item {
                padding: 12px 8px;
                gap: 10px;
            }

            .hot-rank-item .rank-number {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
            }

            .hot-rank-item .rank-title {
                font-size: 0.85rem;
            }
        }

        /* ==================== 辅助工具类 ==================== */
        .text-accent {
            color: var(--color-accent);
        }

        .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;
        }