/* roulang page: index */
:root {
            --primary: #0f4c81;
            --primary-dark: #0a3860;
            --primary-light: #1a6db5;
            --accent: #e8831a;
            --accent-dark: #c76f14;
            --surface: #f8fafc;
            --surface-alt: #f1f5f9;
            --text-main: #1e293b;
            --text-soft: #64748b;
            --text-muted: #94a3b8;
            --border-soft: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-lg: 0.875rem;
            --radius-xl: 1.125rem;
            --radius-2xl: 1.5rem;
            --shadow-card: 0 1px 3px rgba(15,76,129,0.06), 0 4px 16px rgba(15,76,129,0.05);
            --shadow-card-hover: 0 4px 12px rgba(15,76,129,0.1), 0 12px 32px rgba(15,76,129,0.08);
        }

        *,
        *::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: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            line-height: 1.7;
            color: var(--text-main);
            background-color: #ffffff;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

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

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

        input,
        button {
            font-family: inherit;
        }

        /* 玻璃导航 */
        .glass-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.78);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.6);
            box-shadow: 0 1px 4px rgba(15, 76, 129, 0.04);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .glass-nav.scrolled {
            background: rgba(255, 255, 255, 0.94);
            box-shadow: 0 2px 12px rgba(15, 76, 129, 0.08), 0 0 0 1px rgba(226, 232, 240, 0.4);
        }

        .nav-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 4rem;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            z-index: 1001;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.375rem;
            list-style: none;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 1rem;
            border-radius: 0.5rem;
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--text-soft);
            transition: all 0.2s ease;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: rgba(15, 76, 129, 0.05);
        }

        .nav-links a.active {
            color: var(--primary);
            background: rgba(15, 76, 129, 0.08);
            font-weight: 600;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 1.25rem;
            border-radius: 0.5rem;
            font-size: 0.875rem;
            font-weight: 600;
            background: var(--primary);
            color: #ffffff !important;
            transition: all 0.25s ease;
            white-space: nowrap;
            letter-spacing: 0.02em;
            box-shadow: var(--shadow-card);
        }

        .nav-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 14px rgba(15, 76, 129, 0.25);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            z-index: 1001;
            background: none;
            border: none;
            color: var(--text-main);
            font-size: 1.5rem;
            padding: 0.5rem;
            cursor: pointer;
            border-radius: 0.5rem;
            transition: background 0.2s ease;
        }

        .mobile-toggle:hover {
            background: rgba(15, 76, 129, 0.06);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 4rem;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 999;
            padding: 1.5rem;
            flex-direction: column;
            gap: 0.5rem;
            overflow-y: auto;
        }

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

        .mobile-menu a {
            display: block;
            padding: 0.875rem 1.25rem;
            border-radius: 0.75rem;
            font-size: 1.0625rem;
            font-weight: 500;
            color: var(--text-main);
            transition: all 0.2s ease;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(15, 76, 129, 0.07);
            color: var(--primary);
        }

        .mobile-menu .nav-cta-mobile {
            margin-top: 0.75rem;
            text-align: center;
            background: var(--primary);
            color: #ffffff !important;
            font-weight: 600;
            border-radius: 0.75rem;
            padding: 0.875rem 1.5rem;
        }

        /* 板块通用 */
        .section {
            padding: 5rem 1.5rem;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8125rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(15, 76, 129, 0.06);
            padding: 0.375rem 1rem;
            border-radius: 2rem;
            margin-bottom: 1rem;
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: -0.02em;
            line-height: 1.3;
            margin-bottom: 1rem;
        }

        .section-subtitle {
            font-size: 1.125rem;
            color: var(--text-soft);
            max-width: 640px;
            line-height: 1.8;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 90vh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            padding-top: 4rem;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 25, 47, 0.65) 0%, rgba(10, 38, 60, 0.78) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 760px;
            padding: 0 1.5rem;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #ffffff;
            font-size: 0.875rem;
            font-weight: 500;
            padding: 0.5rem 1.25rem;
            border-radius: 2rem;
            margin-bottom: 1.5rem;
            letter-spacing: 0.04em;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.03em;
            line-height: 1.2;
            margin-bottom: 1.25rem;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin-bottom: 2.5rem;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-buttons {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            justify-content: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.875rem 2rem;
            border-radius: 0.625rem;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all 0.3s ease;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: #ffffff;
            box-shadow: 0 4px 16px rgba(232, 131, 26, 0.3);
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 24px rgba(232, 131, 26, 0.4);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.6);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #ffffff;
            transform: translateY(-2px);
        }

        .btn-secondary {
            background: var(--primary);
            color: #ffffff;
            box-shadow: 0 4px 14px rgba(15, 76, 129, 0.25);
        }

        .btn-secondary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(15, 76, 129, 0.35);
            transform: translateY(-2px);
        }

        .btn-ghost {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--border-soft);
        }

        .btn-ghost:hover {
            background: rgba(15, 76, 129, 0.04);
            border-color: var(--primary);
        }

        /* 卡片 */
        .card {
            background: #ffffff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: all 0.3s ease;
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--border-soft);
        }

        .card-image {
            width: 100%;
            height: 220px;
            object-fit: cover;
            display: block;
        }

        .card-body {
            padding: 1.5rem;
        }

        .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(15, 76, 129, 0.06);
            padding: 0.25rem 0.75rem;
            border-radius: 1rem;
            margin-bottom: 0.75rem;
        }

        .card-title {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }

        .card-desc {
            font-size: 0.9375rem;
            color: var(--text-soft);
            line-height: 1.7;
        }

        /* 统计数字 */
        .stat-number {
            font-size: 2.75rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            line-height: 1;
        }

        .stat-label {
            font-size: 0.9375rem;
            color: var(--text-soft);
            margin-top: 0.375rem;
        }

        /* 流程步骤 */
        .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.25rem;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(15, 76, 129, 0.2);
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            background: #ffffff;
            overflow: hidden;
            transition: all 0.25s ease;
        }

        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: 0 2px 8px rgba(15, 76, 129, 0.05);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            padding: 1.25rem 1.5rem;
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--text-main);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            cursor: pointer;
            transition: color 0.2s ease;
        }

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

        .faq-answer {
            padding: 0 1.5rem 1.25rem;
            color: var(--text-soft);
            line-height: 1.8;
            font-size: 0.9375rem;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

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

        .faq-icon {
            transition: transform 0.3s ease;
            font-size: 1rem;
            color: var(--text-muted);
            flex-shrink: 0;
        }

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

        /* CTA板块 */
        .cta-section {
            background: linear-gradient(160deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            border-radius: var(--radius-2xl);
            padding: 3.5rem 2.5rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }

        /* 页脚 */
        .site-footer {
            background: #0f1729;
            color: #cbd5e1;
            padding: 3.5rem 1.5rem 2rem;
        }

        .footer-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2.5rem;
        }

        .footer-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.75rem;
        }

        .footer-desc {
            font-size: 0.875rem;
            line-height: 1.8;
            color: #94a3b8;
            max-width: 320px;
        }

        .footer-heading {
            font-size: 0.875rem;
            font-weight: 600;
            color: #e2e8f0;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 1rem;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 0.5rem;
        }

        .footer-links a {
            font-size: 0.875rem;
            color: #94a3b8;
            transition: color 0.2s ease;
        }

        .footer-links a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            max-width: 1200px;
            margin: 2rem auto 0;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.8125rem;
            color: #64748b;
            text-align: center;
        }

        /* CMS列表 */
        .cms-list-item {
            display: flex;
            gap: 1.25rem;
            padding: 1.25rem;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            background: #ffffff;
            transition: all 0.25s ease;
            align-items: flex-start;
        }

        .cms-list-item:hover {
            border-color: var(--border-soft);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .cms-list-date {
            flex-shrink: 0;
            width: 56px;
            text-align: center;
            background: rgba(15, 76, 129, 0.05);
            border-radius: 0.625rem;
            padding: 0.625rem 0.5rem;
            font-weight: 700;
            color: var(--primary);
            font-size: 0.8125rem;
            line-height: 1.3;
        }

        .cms-list-info {
            flex: 1;
            min-width: 0;
        }

        .cms-list-title {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-main);
            margin-bottom: 0.375rem;
            line-height: 1.4;
        }

        .cms-list-title a {
            color: inherit;
        }

        .cms-list-title a:hover {
            color: var(--primary);
        }

        .cms-list-excerpt {
            font-size: 0.875rem;
            color: var(--text-soft);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .cms-list-category {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--accent);
            background: rgba(232, 131, 26, 0.07);
            padding: 0.2rem 0.625rem;
            border-radius: 1rem;
            margin-top: 0.5rem;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .section {
                padding: 3.5rem 1.25rem;
            }
            .section-title {
                font-size: 1.85rem;
            }
            .hero-title {
                font-size: 2.25rem;
            }
            .hero-subtitle {
                font-size: 1.05rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-container {
                height: 3.5rem;
            }
            .glass-nav {
                background: rgba(255, 255, 255, 0.92);
            }
            .hero-title {
                font-size: 1.75rem;
            }
            .hero-subtitle {
                font-size: 0.9375rem;
            }
            .hero-section {
                min-height: 78vh;
            }
            .section {
                padding: 2.75rem 1rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .btn {
                padding: 0.75rem 1.5rem;
                font-size: 0.9375rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .cta-section {
                padding: 2.5rem 1.5rem;
                border-radius: var(--radius-xl);
            }
            .cms-list-item {
                flex-direction: column;
                gap: 0.75rem;
            }
            .cms-list-date {
                width: auto;
                display: inline-block;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-subtitle {
                font-size: 0.875rem;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .hero-buttons .btn {
                width: 100%;
                justify-content: center;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .stat-number {
                font-size: 2rem;
            }
            .card-image {
                height: 180px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a56db;
            --color-primary-dark: #1e40af;
            --color-primary-light: #3b82f6;
            --color-accent: #0ea5e9;
            --color-accent-dark: #0284c7;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-weak: #64748b;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
            --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
        }

        *,
        *::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);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

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

        /* ========== 导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            transition: all var(--transition-normal);
            padding: 0.875rem 0;
        }

        .site-header.glass-nav {
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.6);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
        }

        .site-header.scrolled-nav {
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-md);
            padding: 0.5rem 0;
        }

        .header-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
        }

        .nav-logo {
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--color-text);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            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;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.375rem;
            list-style: none;
            flex-wrap: wrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-md);
            font-size: 0.9375rem;
            font-weight: 500;
            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(26, 86, 219, 0.06);
        }

        .nav-links a.active {
            color: var(--color-primary);
            background: rgba(26, 86, 219, 0.1);
            font-weight: 600;
        }

        .nav-links a.nav-cta {
            background: var(--color-primary);
            color: #fff;
            padding: 0.55rem 1.35rem;
            border-radius: var(--radius-lg);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(26, 86, 219, 0.3);
            transition: all var(--transition-fast);
            margin-left: 0.25rem;
        }

        .nav-links a.nav-cta:hover {
            background: var(--color-primary-dark);
            color: #fff;
            box-shadow: 0 4px 14px rgba(26, 86, 219, 0.4);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 0.4rem;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            line-height: 1;
        }

        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        /* ========== 容器 ========== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .section-padding {
            padding: 5rem 0;
        }

        .section-padding-lg {
            padding: 6rem 0;
        }

        .section-padding-sm {
            padding: 3.5rem 0;
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            padding-top: 5rem;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }

        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.82) 0%, rgba(15, 23, 42, 0.55) 40%, rgba(30, 64, 175, 0.45) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            padding: 2rem 1.5rem;
        }

        .hero-badge {
            display: inline-block;
            padding: 0.4rem 1.1rem;
            background: rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 999px;
            color: #e2e8f0;
            font-size: 0.875rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            margin-bottom: 1.5rem;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 1.25rem;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 640px;
            margin: 0 auto 2rem;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-lg);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-normal);
            white-space: nowrap;
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(26, 86, 219, 0.35);
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 6px 20px rgba(26, 86, 219, 0.45);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.55);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.85);
            transform: translateY(-2px);
        }

        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(14, 165, 233, 0.35);
        }

        .btn-accent:hover {
            background: var(--color-accent-dark);
            box-shadow: 0 6px 20px rgba(14, 165, 233, 0.45);
            transform: translateY(-2px);
        }

        /* ========== 板块标题 ========== */
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 0.75rem;
            background: rgba(26, 86, 219, 0.07);
            padding: 0.3rem 0.9rem;
            border-radius: 999px;
        }

        .section-heading {
            font-size: 2.25rem;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.25;
            letter-spacing: -0.015em;
            margin-bottom: 1rem;
        }

        .section-desc {
            font-size: 1.1rem;
            color: var(--color-text-weak);
            max-width: 680px;
            line-height: 1.7;
        }

        /* ========== 卡片 ========== */
        .card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
        }

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

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

        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .card:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        .card-body {
            padding: 1.5rem;
        }

        .card-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(26, 86, 219, 0.08);
            padding: 0.25rem 0.7rem;
            border-radius: 999px;
            margin-bottom: 0.6rem;
        }

        .card-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.5rem;
            line-height: 1.35;
        }

        .card-text {
            font-size: 0.95rem;
            color: var(--color-text-weak);
            line-height: 1.65;
        }

        /* ========== 流程步骤 ========== */
        .step-item {
            display: flex;
            gap: 1.25rem;
            align-items: flex-start;
            padding: 1.5rem;
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
        }

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

        .step-num {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
        }

        .step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.35rem;
        }

        .step-content p {
            font-size: 0.95rem;
            color: var(--color-text-weak);
            line-height: 1.6;
        }

        /* ========== FAQ ========== */
        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--color-surface);
            transition: all var(--transition-fast);
        }

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

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1.25rem 1.5rem;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-text);
            background: transparent;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }

        .faq-question:hover {
            color: var(--color-primary);
            background: rgba(26, 86, 219, 0.03);
        }

        .faq-question i {
            transition: transform var(--transition-normal);
            color: var(--color-text-weak);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.5rem;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.25rem;
        }

        .faq-answer p {
            font-size: 0.95rem;
            color: var(--color-text-weak);
            line-height: 1.7;
        }

        /* ========== CTA 区域 ========== */
        .cta-section {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-2xl);
            padding: 3.5rem 2.5rem;
            text-align: center;
        }

        .cta-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }

        .cta-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .cta-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(135deg, rgba(26, 86, 219, 0.92) 0%, rgba(14, 165, 233, 0.88) 100%);
        }

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

        .cta-content h3 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
            letter-spacing: -0.01em;
        }

        .cta-content p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 1.75rem;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .btn-white {
            background: #fff;
            color: var(--color-primary);
            font-weight: 700;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
        }

        .btn-white:hover {
            background: #f1f5f9;
            box-shadow: 0 6px 22px rgba(0, 0, 0, 0.18);
            transform: translateY(-2px);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 3.5rem 1.5rem 1.5rem;
        }

        .footer-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #94a3b8;
            max-width: 320px;
        }

        .footer-heading {
            font-size: 1rem;
            font-weight: 600;
            color: #e2e8f0;
            margin-bottom: 1rem;
            letter-spacing: 0.01em;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.55rem;
        }

        .footer-links a {
            font-size: 0.9rem;
            color: #94a3b8;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 0.85rem;
            color: #64748b;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.4rem;
            }
            .section-heading {
                font-size: 1.85rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            .footer-grid>div:first-child {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                flex-direction: column;
                background: #fff;
                box-shadow: -4px 0 20px rgba(0, 0, 0, 0.12);
                padding: 5rem 1.5rem 2rem;
                gap: 0.5rem;
                transition: right var(--transition-normal);
                z-index: 999;
                align-items: stretch;
            }
            .nav-links.open {
                right: 0;
            }
            .nav-links a {
                display: block;
                padding: 0.7rem 1rem;
                border-radius: var(--radius-md);
                font-size: 1rem;
            }
            .nav-links a.nav-cta {
                text-align: center;
                margin-left: 0;
                margin-top: 0.5rem;
            }
            .nav-toggle {
                display: block;
                z-index: 1001;
                position: relative;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .section-heading {
                font-size: 1.6rem;
            }
            .section-padding {
                padding: 3rem 0;
            }
            .section-padding-lg {
                padding: 3.5rem 0;
            }
            .cta-section {
                padding: 2.5rem 1.25rem;
                border-radius: var(--radius-xl);
            }
            .cta-content h3 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.75rem;
            }
            .step-item {
                flex-direction: column;
                gap: 0.75rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.55rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .section-heading {
                font-size: 1.35rem;
            }
            .btn {
                padding: 0.65rem 1.25rem;
                font-size: 0.9rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .header-inner {
                padding: 0 1rem;
            }
            .nav-logo {
                font-size: 1.05rem;
            }
            .nav-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
        }

        /* 移动端遮罩 */
        .nav-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 998;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-normal);
        }
        .nav-overlay.visible {
            opacity: 1;
            pointer-events: auto;
        }

/* roulang page: article */
:root {
            --color-primary: #1a3a5c;
            --color-primary-light: #1f4d78;
            --color-primary-dark: #0f2540;
            --color-accent: #e8943a;
            --color-accent-hover: #d17a2a;
            --color-surface: #f8f9fb;
            --color-surface-alt: #edf1f6;
            --color-text-main: #2d3748;
            --color-text-soft: #5a6c7d;
            --color-text-muted: #8899aa;
            --color-border-soft: #dde4ed;
            --color-border-light: #e8edf3;
            --color-white: #ffffff;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-card: 0 1px 3px rgba(26,58,92,0.06), 0 4px 16px rgba(26,58,92,0.05);
            --shadow-card-hover: 0 2px 8px rgba(26,58,92,0.10), 0 8px 28px rgba(26,58,92,0.08);
            --shadow-nav: 0 1px 0 rgba(255,255,255,0.18) inset, 0 -1px 0 rgba(0,0,0,0.04) inset, 0 4px 20px rgba(0,0,0,0.06);
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text-main);
            background-color: var(--color-white);
            min-height: 100vh;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        /* 导航栏 - 玻璃沉浸效果 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0.75rem 0;
            transition: all var(--transition-smooth);
        }

        .site-header .header-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.78);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(255, 255, 255, 0.55);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-nav);
            padding: 0.7rem 1.6rem;
            transition: all var(--transition-smooth);
        }

        .site-header.scrolled .header-inner {
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-color: rgba(200, 210, 220, 0.5);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.10);
            border-radius: var(--radius-lg);
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .logo-link:hover {
            color: var(--color-primary-light);
        }

        .logo-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.35rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 0.55rem 1.05rem;
            border-radius: 0.6rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: var(--color-primary);
            background: rgba(26, 58, 92, 0.05);
        }

        .nav-links li a.active {
            color: var(--color-primary);
            background: rgba(26, 58, 92, 0.08);
            font-weight: 600;
        }

        .nav-links .nav-cta {
            background: var(--color-accent) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 0.55rem 1.2rem !important;
            border-radius: 0.6rem !important;
            box-shadow: var(--shadow-btn);
            transition: all var(--transition-fast);
        }

        .nav-links .nav-cta:hover {
            background: var(--color-accent-hover) !important;
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
        }

        /* 移动端菜单按钮 */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
            color: var(--color-primary);
            font-size: 1.5rem;
            line-height: 1;
            transition: color var(--transition-fast);
        }

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

        /* 面包屑 */
        .breadcrumb-bar {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.4rem;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.85);
            padding: 0.5rem 0;
        }

        .breadcrumb-bar a {
            color: rgba(255, 255, 255, 0.9);
            transition: color var(--transition-fast);
            text-decoration: none;
        }

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

        .breadcrumb-sep {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.8rem;
            user-select: none;
        }

        .breadcrumb-current {
            color: rgba(255, 255, 255, 0.7);
            pointer-events: none;
            max-width: 320px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* 文章Banner */
        .article-banner {
            position: relative;
            background: linear-gradient(160deg, #0f2540 0%, #1a3a5c 35%, #1f4d78 70%, #1a3a5c 100%);
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 8rem 0 3.5rem;
            min-height: 320px;
            display: flex;
            align-items: flex-end;
            overflow: hidden;
        }

        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
            opacity: 0.22;
            mix-blend-mode: soft-light;
            pointer-events: none;
        }

        .article-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60%;
            background: linear-gradient(to top, rgba(15, 37, 64, 0.92) 0%, rgba(15, 37, 64, 0.3) 60%, transparent 100%);
            pointer-events: none;
        }

        .article-banner-content {
            position: relative;
            z-index: 2;
            max-width: 860px;
            margin: 0 auto;
            padding: 0 1.5rem;
            width: 100%;
        }

        /* 文章主体容器 */
        .article-main-container {
            max-width: 860px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* 文章元信息条 */
        .article-meta-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
            padding: 1.25rem 0;
            margin: -2.5rem auto 0;
            position: relative;
            z-index: 10;
            max-width: 860px;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 1.1rem 1.6rem;
        }

        .meta-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.85rem;
            color: var(--color-primary);
            background: rgba(26, 58, 92, 0.06);
            padding: 0.4rem 0.85rem;
            border-radius: 2rem;
            font-weight: 500;
            white-space: nowrap;
        }

        .meta-badge i {
            font-size: 0.8rem;
        }

        .meta-separator {
            width: 1px;
            height: 18px;
            background: var(--color-border-light);
            flex-shrink: 0;
        }

        /* 文章正文排版 */
        .article-body {
            padding: 2rem 0;
            line-height: 1.85;
            font-size: 1.05rem;
            color: var(--color-text-main);
        }

        .article-body h2 {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 2.2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--color-border-light);
            line-height: 1.4;
        }

        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--color-text-main);
            margin: 1.6rem 0 0.75rem;
            line-height: 1.4;
        }

        .article-body h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-text-soft);
            margin: 1.3rem 0 0.6rem;
            line-height: 1.4;
        }

        .article-body p {
            margin: 0 0 1.1rem;
            line-height: 1.85;
        }

        .article-body ul,
        .article-body ol {
            margin: 0.8rem 0 1.2rem;
            padding-left: 1.6rem;
        }

        .article-body ul li,
        .article-body ol li {
            margin-bottom: 0.5rem;
            padding-left: 0.3rem;
            line-height: 1.75;
        }

        .article-body ul li::marker {
            color: var(--color-accent);
        }

        .article-body ol li::marker {
            color: var(--color-primary);
            font-weight: 600;
        }

        .article-body blockquote {
            margin: 1.5rem 0;
            padding: 1.2rem 1.5rem;
            background: var(--color-surface);
            border-left: 4px solid var(--color-accent);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text-soft);
            font-style: italic;
            line-height: 1.75;
        }

        .article-body img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-card);
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
        }

        .article-body table th,
        .article-body table td {
            padding: 0.75rem 1rem;
            border: 1px solid var(--color-border-light);
            text-align: left;
        }

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

        .article-body table tr:nth-child(even) td {
            background: var(--color-surface);
        }

        .article-body code {
            background: var(--color-surface-alt);
            padding: 0.15rem 0.45rem;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--color-primary-dark);
            font-family: "SF Mono", "Fira Code", "Consolas", monospace;
        }

        .article-body pre {
            background: #1e2a38;
            color: #e2e8f0;
            padding: 1.2rem 1.5rem;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 1.5rem 0;
            line-height: 1.6;
            font-size: 0.9rem;
        }

        .article-body pre code {
            background: none;
            padding: 0;
            color: inherit;
            font-size: inherit;
        }

        .article-body a {
            color: var(--color-primary-light);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color var(--transition-fast);
        }

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

        .article-body strong {
            font-weight: 600;
            color: var(--color-primary-dark);
        }

        /* 文章底部操作区 */
        .article-actions {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
            padding: 1.5rem 0;
            border-top: 1px solid var(--color-border-light);
            margin-top: 1.5rem;
        }

        .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.6rem 1.2rem;
            background: var(--color-surface);
            color: var(--color-text-soft);
            border-radius: 0.6rem;
            font-weight: 500;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            border: 1px solid var(--color-border-light);
        }

        .btn-back:hover {
            background: var(--color-surface-alt);
            color: var(--color-primary);
            border-color: var(--color-border-soft);
        }

        .btn-share {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.6rem 1.2rem;
            background: transparent;
            color: var(--color-text-muted);
            border-radius: 0.6rem;
            font-weight: 500;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            cursor: pointer;
        }

        .btn-share:hover {
            color: var(--color-primary);
            background: rgba(26, 58, 92, 0.04);
            border-color: var(--color-border-light);
        }

        /* 区块通用样式 */
        .section-block {
            padding: 3.5rem 0;
        }

        .section-block-alt {
            background: var(--color-surface);
            padding: 3.5rem 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-accent);
            margin-bottom: 0.5rem;
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 1rem;
            line-height: 1.35;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-soft);
            line-height: 1.65;
            max-width: 680px;
            margin: 0 auto 2rem;
        }

        /* CTA卡片 */
        .cta-card {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 2.5rem 2rem;
            color: #fff;
            text-align: center;
            box-shadow: 0 8px 32px rgba(26, 58, 92, 0.25);
        }

        .cta-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0 0 0.75rem;
        }

        .cta-card p {
            font-size: 1rem;
            opacity: 0.88;
            margin: 0 0 1.5rem;
            line-height: 1.65;
        }

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 1.8rem;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 0.6rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(232, 148, 58, 0.35);
            text-decoration: none;
        }

        .btn-cta-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 4px 16px rgba(232, 148, 58, 0.48);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.5rem;
            background: transparent;
            color: #fff;
            font-weight: 500;
            font-size: 0.95rem;
            border-radius: 0.6rem;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.8);
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: all var(--transition-fast);
            background: #fff;
        }

        .faq-item:hover {
            border-color: var(--color-border-soft);
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            width: 100%;
            padding: 1.1rem 1.3rem;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-main);
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            transition: color var(--transition-fast);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-smooth);
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }

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

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

        .faq-item.open .faq-answer {
            max-height: 600px;
        }

        .faq-answer-inner {
            padding: 0 1.3rem 1.2rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* 相关推荐卡片 */
        .recommend-card {
            background: #fff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
            display: block;
            color: inherit;
        }

        .recommend-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-border-soft);
            transform: translateY(-3px);
        }

        .recommend-card .rec-icon {
            width: 44px;
            height: 44px;
            background: rgba(26, 58, 92, 0.06);
            border-radius: 0.6rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 1.2rem;
            margin-bottom: 1rem;
        }

        .recommend-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-text-main);
            margin: 0 0 0.5rem;
            line-height: 1.4;
        }

        .recommend-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.55;
        }

        /* 页脚 */
        .site-footer {
            background: #0f2540;
            color: rgba(255, 255, 255, 0.75);
            padding: 3.5rem 2rem 1.5rem;
        }

        .footer-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 2.5rem;
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.65;
            opacity: 0.7;
            margin: 0;
        }

        .footer-heading {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.85rem;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 0.5rem;
        }

        .footer-links li a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-fast);
            text-decoration: none;
        }

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

        .footer-bottom {
            max-width: 1200px;
            margin: 2.5rem auto 0;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            text-align: center;
            font-size: 0.85rem;
            opacity: 0.55;
        }

        .footer-bottom p {
            margin: 0;
        }

        /* 无文章状态 */
        .not-found-container {
            text-align: center;
            padding: 4rem 1.5rem;
            max-width: 500px;
            margin: 0 auto;
        }

        .not-found-icon {
            font-size: 3.5rem;
            color: var(--color-text-muted);
            margin-bottom: 1.5rem;
        }

        .not-found-container h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text-main);
            margin: 0 0 0.75rem;
        }

        .not-found-container p {
            color: var(--color-text-soft);
            margin: 0 0 1.5rem;
            line-height: 1.65;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }

            .article-banner {
                padding: 7rem 0 2.8rem;
                min-height: 260px;
            }

            .section-title {
                font-size: 1.55rem;
            }
        }

        @media (max-width: 768px) {
            .site-header .header-inner {
                padding: 0.55rem 1rem;
                border-radius: var(--radius-md);
            }

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

            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: calc(100% + 0.6rem);
                left: 1rem;
                right: 1rem;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                border-radius: var(--radius-lg);
                box-shadow: 0 12px 36px rgba(0, 0, 0, 0.14);
                padding: 0.6rem;
                border: 1px solid rgba(200, 210, 220, 0.4);
                gap: 0.15rem;
            }

            .nav-links.show {
                display: flex;
            }

            .nav-links li a {
                width: 100%;
                padding: 0.7rem 1rem;
                border-radius: 0.5rem;
                font-size: 0.95rem;
            }

            .article-banner {
                padding: 6rem 0 2.2rem;
                min-height: 220px;
            }

            .article-meta-bar {
                flex-wrap: wrap;
                gap: 0.6rem;
                margin-top: -1.8rem;
                padding: 0.9rem 1.1rem;
                border-radius: var(--radius-md);
            }

            .article-body {
                font-size: 0.98rem;
                padding: 1.5rem 0;
            }

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

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

            .section-block,
            .section-block-alt {
                padding: 2.5rem 0;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .cta-card {
                padding: 1.8rem 1.3rem;
            }

            .cta-card h3 {
                font-size: 1.25rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }

            .footer-bottom {
                margin-top: 1.8rem;
            }

            .breadcrumb-current {
                max-width: 180px;
            }
        }

        @media (max-width: 520px) {
            .site-header {
                padding: 0.4rem 0;
            }

            .site-header .header-inner {
                padding: 0.45rem 0.8rem;
                border-radius: 0.55rem;
            }

            .logo-link {
                font-size: 1.05rem;
            }

            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.85rem;
                border-radius: 6px;
            }

            .article-banner {
                padding: 5.5rem 0 1.8rem;
                min-height: 180px;
            }

            .article-banner-content {
                padding: 0 1rem;
            }

            .article-main-container {
                padding: 0 1rem;
            }

            .article-meta-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
                margin-top: -1.5rem;
                padding: 0.8rem 1rem;
            }

            .meta-separator {
                display: none;
            }

            .breadcrumb-bar {
                font-size: 0.8rem;
            }

            .breadcrumb-current {
                max-width: 140px;
            }

            .article-body {
                font-size: 0.93rem;
            }

            .article-body h2 {
                font-size: 1.2rem;
            }

            .article-body blockquote {
                padding: 0.9rem 1.1rem;
                font-size: 0.9rem;
            }

            .section-title {
                font-size: 1.25rem;
            }

            .recommend-card {
                padding: 1.15rem;
            }

            .btn-cta-primary {
                padding: 0.65rem 1.3rem;
                font-size: 0.9rem;
            }

            .btn-outline-light {
                padding: 0.6rem 1.1rem;
                font-size: 0.85rem;
            }

            .faq-question {
                font-size: 0.9rem;
                padding: 0.9rem 1rem;
            }

            .faq-answer-inner {
                padding: 0 1rem 1rem;
                font-size: 0.88rem;
            }
        }