/* roulang page: index */
:root {
            --primary: #2E7CF6;
            --primary-dark: #1E5FD0;
            --accent: #0EA5A4;
            --bg: #F6F9FC;
            --bg-soft: #EAF2FE;
            --text-dark: #1E293B;
            --text-body: #475569;
            --text-muted: #94A3B8;
            --border: #E2E8F0;
            --white: #FFFFFF;
            --radius: 12px;
            --radius-full: 48px;
            --shadow-sm: 0 1px 3px rgba(46, 124, 246, 0.08), 0 1px 2px rgba(46, 124, 246, 0.04);
            --shadow-md: 0 4px 12px rgba(46, 124, 246, 0.08);
            --shadow-lg: 0 12px 28px rgba(46, 124, 246, 0.12);
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            background-color: var(--bg);
            color: var(--text-body);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        input {
            font-family: inherit;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        .section-title-bar {
            width: 32px;
            height: 4px;
            background: var(--primary);
            border-radius: 999px;
            margin-bottom: 12px;
        }

        .section-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 8px;
            display: inline-block;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.02em;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 24px;
            }
        }

        .section-desc {
            color: var(--text-muted);
            margin-top: 8px;
            font-size: 15px;
            line-height: 1.7;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 12px 28px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 15px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: none;
            cursor: pointer;
            line-height: 1.4;
        }

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

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--white);
            color: var(--primary);
            padding: 12px 28px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 15px;
            border: 1px solid var(--border);
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-secondary:hover {
            border-color: #BFDBFE;
            background: #EFF6FF;
            color: var(--primary-dark);
        }

        .btn-secondary:active {
            transform: scale(0.98);
        }

        .badge-pill {
            display: inline-block;
            background: #EFF6FF;
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            border: 1px solid #DBEAFE;
        }

        .card {
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            padding: 6px 16px;
            border-radius: 999px;
            transition: var(--transition);
            position: relative;
        }

        .nav-link:hover {
            color: var(--primary);
            background: #F0F7FF;
        }

        .nav-link.active {
            color: var(--primary);
            background: #EFF6FF;
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .dock-nav {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0 16px;
        }

        .dock-inner {
            max-width: 1100px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: 999px;
            box-shadow: var(--shadow-md);
            border: 1px solid #F1F5F9;
            padding: 8px 12px 8px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .dock-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 18px;
            color: var(--text-dark);
            white-space: nowrap;
        }

        .dock-logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            font-weight: 800;
            box-shadow: 0 2px 8px rgba(46, 124, 246, 0.3);
            flex-shrink: 0;
        }

        .dock-menu {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .dock-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .dock-search {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            border: 1px solid var(--border);
            background: var(--white);
            transition: var(--transition);
            cursor: pointer;
        }

        .dock-search:hover {
            color: var(--primary);
            border-color: var(--primary);
        }

        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--white);
            border: 1px solid var(--border);
            align-items: center;
            justify-content: center;
            color: var(--text-dark);
            cursor: pointer;
        }

        @media (max-width: 768px) {
            .dock-menu {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 16px;
                right: 16px;
                background: var(--white);
                border-radius: 20px;
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--border);
                padding: 16px;
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
            }

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

            .menu-toggle {
                display: flex;
            }

            .dock-search {
                display: none;
            }

            .dock-actions .btn-primary {
                padding: 8px 18px;
                font-size: 14px;
            }

            .dock-logo {
                font-size: 16px;
            }
        }

        .hero-section {
            background: linear-gradient(90deg, #F6F9FC 0%, #EAF2FE 100%);
            padding: 140px 0 80px;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 320px;
            height: 320px;
            background: rgba(219, 234, 254, 0.4);
            border-radius: 50%;
            z-index: 0;
        }

        .hero-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        @media (max-width: 1024px) {
            .hero-container {
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 110px 0 60px;
            }

            .hero-container {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid #DBEAFE;
            border-radius: 999px;
            padding: 6px 18px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 20px;
            box-shadow: var(--shadow-sm);
        }

        .hero-badge i {
            font-size: 12px;
            color: var(--accent);
        }

        .hero-title {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-dark);
            letter-spacing: -0.02em;
            margin-bottom: 20px;
        }

        .hero-title .highlight {
            color: var(--primary);
            position: relative;
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 32px;
            }
        }

        .hero-subtitle {
            font-size: 18px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 460px;
        }

        .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-image-wrap {
            background: var(--white);
            border-radius: 20px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-lg);
            padding: 12px;
            overflow: hidden;
            position: relative;
        }

        .hero-image-wrap img {
            width: 100%;
            height: auto;
            border-radius: 12px;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .hero-image-wrap::after {
            content: '';
            position: absolute;
            bottom: 20px;
            left: 20px;
            right: 20px;
            height: 40px;
            background: linear-gradient(to top, rgba(255, 255, 255, 0.8), transparent);
            border-radius: 0 0 12px 12px;
            pointer-events: none;
        }

        .stats-section {
            padding: 40px 0;
            border-bottom: 1px solid var(--border);
            background: var(--white);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            text-align: center;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        .stat-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
        }

        .stat-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-dark);
            font-variant-numeric: tabular-nums;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
        }

        .stat-divider {
            width: 1px;
            height: 48px;
            background: var(--border);
        }

        @media (max-width: 768px) {
            .stat-divider {
                display: none;
            }
        }

        .steps-section {
            padding: 80px 0;
        }

        @media (max-width: 768px) {
            .steps-section {
                padding: 50px 0;
            }
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        @media (max-width: 768px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 16px;
                margin-top: 24px;
            }
        }

        .step-card {
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 28px;
            position: relative;
            overflow: hidden;
            transition: var(--transition);
            border-top: 3px solid transparent;
        }

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

        .step-card.featured {
            border-top-color: var(--accent);
        }

        .step-number {
            position: absolute;
            top: 10px;
            right: 20px;
            font-size: 56px;
            font-weight: 800;
            color: #F1F5F9;
            line-height: 1;
            z-index: 0;
        }

        .step-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: #EFF6FF;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .step-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }

        .step-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }

        .news-section {
            padding: 80px 0;
            background: var(--white);
        }

        @media (max-width: 768px) {
            .news-section {
                padding: 50px 0;
            }
        }

        .news-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 32px;
        }

        .news-list {
            max-width: 800px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px 24px;
            transition: var(--transition);
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }

        @media (max-width: 640px) {
            .news-item {
                flex-direction: column;
                gap: 10px;
                padding: 16px;
            }
        }

        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: #DBEAFE;
            transform: translateX(4px);
        }

        .news-tag {
            flex-shrink: 0;
            background: #EFF6FF;
            color: var(--primary);
            border-radius: 999px;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            white-space: nowrap;
        }

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

        .news-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .news-title:hover {
            color: var(--primary);
        }

        .news-summary {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 6px;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .news-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
        }

        .news-link:hover {
            color: var(--primary-dark);
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .channels-section {
            padding: 80px 0;
        }

        @media (max-width: 768px) {
            .channels-section {
                padding: 50px 0;
            }
        }

        .channels-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        @media (max-width: 1024px) {
            .channels-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .channels-grid {
                grid-template-columns: 1fr;
            }
        }

        .channel-card {
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            text-align: center;
            transition: var(--transition);
        }

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

        .channel-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            margin: 0 auto 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            background: #EFF6FF;
            color: var(--primary);
        }

        .channel-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }

        .channel-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .cases-section {
            padding: 80px 0;
            background: var(--white);
        }

        @media (max-width: 768px) {
            .cases-section {
                padding: 50px 0;
            }
        }

        .cases-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 40px;
        }

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

        @media (max-width: 768px) {
            .cases-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        .case-card {
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .case-card-tall {
            min-height: 340px;
        }

        .case-card-short {
            min-height: 260px;
            margin-top: 48px;
        }

        @media (max-width: 768px) {
            .case-card-short {
                margin-top: 0;
            }
        }

        .case-image {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }

        .case-body {
            padding: 24px;
        }

        .case-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }

        .case-result {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .case-metric {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
        }

        .case-metric-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        .faq-section {
            padding: 80px 0;
        }

        @media (max-width: 768px) {
            .faq-section {
                padding: 50px 0;
            }
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 40px;
        }

        @media (max-width: 768px) {
            .faq-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        .faq-item {
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 20px 24px;
            transition: var(--transition);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-dark);
            line-height: 1.5;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: #EFF6FF;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: var(--transition);
        }

        .faq-answer {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid #F1F5F9;
            display: none;
        }

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

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .cta-section {
            padding: 80px 0;
            background: var(--bg-soft);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 50px 0;
            }
        }

        .cta-box {
            background: linear-gradient(135deg, #1E293B 0%, #334155 100%);
            border-radius: 20px;
            padding: 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            position: relative;
            overflow: hidden;
        }

        @media (max-width: 768px) {
            .cta-box {
                flex-direction: column;
                text-align: center;
                padding: 32px 24px;
            }
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(46, 124, 246, 0.2);
        }

        .cta-title {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 10px;
        }

        .cta-desc {
            color: #94A3B8;
            font-size: 15px;
            line-height: 1.7;
        }

        .cta-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
            flex-shrink: 0;
            position: relative;
            z-index: 1;
        }

        .cta-btns .btn-primary {
            background: var(--primary);
        }

        .cta-btns .btn-primary:hover {
            background: #3B82F6;
        }

        .cta-btns .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #E2E8F0;
            padding: 12px 28px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 15px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            transition: var(--transition);
        }

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

        .footer-section {
            background: #F1F5F9;
            padding: 60px 0 0;
            border-top: 1px solid var(--border);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 18px;
            color: var(--text-dark);
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-heading {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 16px;
        }

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

        .footer-links a {
            font-size: 14px;
            color: var(--text-body);
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
        }

        .news-empty {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 48px 24px;
            background: var(--white);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
            text-align: center;
        }

        .news-empty-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: #F1F5F9;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 20px;
            margin-bottom: 12px;
        }

        .news-empty-text {
            font-size: 14px;
            color: var(--text-muted);
        }

/* roulang page: article */
:root {
            --primary: #2E7CF6;
            --primary-dark: #1E6FE8;
            --accent: #0EA5A4;
            --bg: #F6F9FC;
            --title: #1E293B;
            --body: #475569;
            --muted: #94A3B8;
            --border: #E2E8F0;
            --card-border: #F1F5F9;
            --radius: 12px;
            --shadow-sm: 0 1px 3px rgba(46, 124, 246, 0.08);
            --shadow-lg: 0 12px 32px rgba(46, 124, 246, 0.12);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            background: var(--bg);
            color: var(--body);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, background .2s ease, box-shadow .2s ease, border-color .2s ease, transform .2s ease;
        }
        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Dock Nav */
        .dock-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            padding: 20px 24px 0;
            display: flex;
            justify-content: center;
            pointer-events: none;
        }
        .dock-inner {
            max-width: 860px;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border: 1px solid var(--card-border);
            border-radius: 48px;
            padding: 10px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 8px 28px rgba(46, 124, 246, 0.10);
            pointer-events: auto;
            transition: box-shadow .3s;
        }
        .dock-inner:hover {
            box-shadow: 0 12px 36px rgba(46, 124, 246, 0.14);
        }
        .dock-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 16px;
            color: var(--title);
        }
        .dock-logo-icon {
            width: 34px;
            height: 34px;
            min-width: 34px;
            background: var(--primary);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 13px;
            transition: transform .3s, background .3s;
        }
        .dock-logo:hover .dock-logo-icon {
            transform: rotate(-12deg);
            background: var(--primary-dark);
        }
        .dock-menu {
            display: flex;
            gap: 28px;
            align-items: center;
        }
        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--body);
            padding: 8px 2px;
            position: relative;
            transition: color .2s;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: width .3s;
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            width: 100%;
        }
        .dock-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .dock-search {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--body);
            background: transparent;
            transition: background .2s, color .2s;
        }
        .dock-search:hover {
            background: rgba(46, 124, 246, 0.08);
            color: var(--primary);
        }
        .menu-toggle {
            display: none;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            color: var(--title);
            font-size: 16px;
            background: rgba(241, 245, 249, 0.8);
            transition: background .2s;
        }
        .menu-toggle:hover {
            background: rgba(226, 232, 240, 0.9);
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 48px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            box-shadow: var(--shadow-sm);
            transition: background .25s, box-shadow .25s, transform .15s;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 8px 24px rgba(46, 124, 246, 0.28);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 48px;
            background: #fff;
            border: 1px solid var(--border);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            transition: border-color .25s, background .25s, color .25s;
        }
        .btn-secondary:hover {
            border-color: var(--primary);
            background: rgba(46, 124, 246, 0.04);
        }
        .btn-secondary:active {
            transform: scale(0.97);
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            background: #F1F5F9;
            border-bottom: 1px solid var(--card-border);
            padding: 16px 0;
        }
        .breadcrumb-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--muted);
            flex-wrap: wrap;
        }
        .breadcrumb-item a {
            color: var(--muted);
            font-weight: 500;
            transition: color .2s;
        }
        .breadcrumb-item a:hover {
            color: var(--primary);
        }
        .breadcrumb-item .sep {
            font-size: 10px;
            color: #CBD5E1;
        }
        .breadcrumb-item .current {
            color: var(--title);
            font-weight: 500;
            max-width: 240px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* Article Layout */
        .article-section {
            padding-top: 48px;
            padding-bottom: 32px;
        }
        .article-layout {
            max-width: 780px;
            margin: 0 auto;
        }
        .article-card {
            background: #fff;
            border-radius: 16px;
            border: 1px solid var(--card-border);
            box-shadow: var(--shadow-sm);
            padding: 40px 44px;
            transition: box-shadow .3s;
        }
        .article-card:hover {
            box-shadow: var(--shadow-lg);
        }
        .article-cat {
            display: inline-block;
            background: rgba(46, 124, 246, 0.10);
            color: var(--primary);
            padding: 5px 14px;
            border-radius: 48px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .article-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--title);
            margin-bottom: 16px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--muted);
            flex-wrap: wrap;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--card-border);
            margin-bottom: 24px;
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* Article Body */
        .article-body {
            font-size: 16px;
            line-height: 1.85;
            color: #334155;
            word-break: break-word;
        }
        .article-body p {
            margin-bottom: 18px;
        }
        .article-body h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--title);
            margin-top: 32px;
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .article-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--title);
            margin-top: 24px;
            margin-bottom: 10px;
        }
        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 4px;
            text-decoration-color: rgba(46, 124, 246, 0.3);
        }
        .article-body a:hover {
            text-decoration-color: var(--primary);
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: #EFF6FF;
            padding: 16px 20px;
            border-radius: 0 8px 8px 0;
            margin: 20px 0;
            color: var(--title);
            font-style: normal;
        }
        .article-body blockquote p {
            margin-bottom: 0;
        }
        .article-body img {
            border-radius: 12px;
            margin: 20px 0;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
        }
        .article-body pre {
            background: #0F172A;
            color: #E2E8F0;
            padding: 20px;
            border-radius: 12px;
            overflow-x: auto;
            margin: 20px 0;
            font-size: 14px;
            line-height: 1.7;
        }
        .article-body pre code {
            font-family: "SF Mono", "Fira Code", Consolas, monospace;
        }
        .article-body ul,
        .article-body ol {
            margin: 16px 0;
            padding-left: 24px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body li::marker {
            color: var(--primary);
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 14px;
        }
        .article-body th,
        .article-body td {
            border: 1px solid var(--border);
            padding: 10px 12px;
            text-align: left;
        }
        .article-body th {
            background: #F8FAFC;
            font-weight: 600;
            color: var(--title);
        }

        /* Not Found */
        .not-found-box {
            text-align: center;
            padding: 60px 20px;
            background: #fff;
            border-radius: 16px;
            border: 1px solid var(--card-border);
        }
        .not-found-box .icon-circle {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: rgba(46, 124, 246, 0.08);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 28px;
            color: var(--primary);
        }
        .not-found-box h2 {
            font-size: 22px;
            color: var(--title);
            margin-bottom: 8px;
            font-weight: 700;
        }
        .not-found-box p {
            color: var(--muted);
            margin-bottom: 24px;
            font-size: 15px;
        }

        /* Post Navigation */
        .post-nav {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 24px;
        }
        .post-nav-btn {
            display: flex;
            align-items: center;
            gap: 12px;
            background: #fff;
            border: 1px solid var(--card-border);
            border-radius: 14px;
            padding: 18px 20px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow .25s, transform .25s, border-color .25s;
        }
        .post-nav-btn:hover {
            box-shadow: var(--shadow-lg);
            border-color: rgba(46, 124, 246, 0.2);
            transform: translateY(-3px);
        }
        .post-nav-btn .nav-arrow {
            width: 38px;
            height: 38px;
            min-width: 38px;
            border-radius: 50%;
            background: rgba(46, 124, 246, 0.10);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
        }
        .post-nav-btn .nav-label {
            display: block;
            font-size: 11px;
            color: var(--muted);
            font-weight: 500;
            letter-spacing: 1px;
        }
        .post-nav-btn .nav-title {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--title);
            margin-top: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 180px;
        }
        .post-nav-btn.text-right {
            text-align: right;
            justify-content: flex-end;
        }
        .post-nav-btn.text-right .nav-arrow {
            order: 2;
        }

        /* Related Section */
        .related-section {
            padding: 16px 0 56px;
        }
        .section-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 28px;
        }
        .section-bar {
            width: 28px;
            height: 4px;
            border-radius: 4px;
            background: var(--primary);
            display: inline-block;
        }
        .section-header h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--title);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            display: flex;
            flex-direction: column;
            background: #fff;
            border-radius: 14px;
            overflow: hidden;
            border: 1px solid var(--card-border);
            box-shadow: var(--shadow-sm);
            transition: box-shadow .25s, transform .25s;
        }
        .related-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .related-card img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            height: auto;
        }
        .related-info {
            padding: 16px;
        }
        .related-info h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--title);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .related-info span {
            font-size: 12px;
            color: var(--muted);
        }

        /* CTA Section */
        .cta-section {
            padding-bottom: 64px;
        }
        .cta-box {
            background: #EFF6FF;
            border: 1px solid rgba(46, 124, 246, 0.15);
            border-radius: 20px;
            padding: 44px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-text h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--title);
            margin-bottom: 6px;
        }
        .cta-text p {
            color: var(--body);
            font-size: 15px;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .cta-actions .btn-primary,
        .cta-actions .btn-secondary {
            padding: 14px 28px;
            font-size: 15px;
        }

        /* Footer */
        .footer-section {
            background: #F1F5F9;
            border-top: 1px solid var(--card-border);
            padding-top: 48px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 32px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 18px;
            color: var(--title);
            margin-bottom: 14px;
        }
        .footer-desc {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-heading {
            font-size: 15px;
            font-weight: 600;
            color: var(--title);
            margin-bottom: 14px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--body);
            transition: color .2s;
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 18px 0;
            text-align: center;
            font-size: 13px;
            color: var(--muted);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .dock-nav {
                padding: 12px 12px 0;
            }
            .dock-inner {
                padding: 8px 14px;
                border-radius: 40px;
            }
            .dock-logo {
                font-size: 14px;
            }
            .dock-logo-icon {
                width: 28px;
                height: 28px;
                min-width: 28px;
                font-size: 11px;
            }
            .dock-menu {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 12px;
                right: 12px;
                background: #fff;
                border-radius: 16px;
                padding: 16px;
                flex-direction: column;
                gap: 6px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.10);
                border: 1px solid var(--card-border);
            }
            .dock-menu.open {
                display: flex;
            }
            .dock-menu .nav-link {
                padding: 12px 16px;
                border-radius: 10px;
                font-size: 15px;
            }
            .dock-menu .nav-link:hover {
                background: rgba(46, 124, 246, 0.06);
            }
            .dock-menu .nav-link.active {
                background: rgba(46, 124, 246, 0.08);
            }
            .menu-toggle {
                display: inline-flex;
            }
            .dock-actions .btn-primary {
                display: none;
            }
            .article-card {
                padding: 24px 20px;
                border-radius: 14px;
            }
            .article-title {
                font-size: 24px;
            }
            .post-nav {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .cta-box {
                flex-direction: column;
                padding: 28px 24px;
                text-align: center;
            }
            .cta-actions {
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 520px) {
            .dock-actions .dock-search {
                display: none;
            }
            .dock-inner {
                padding: 8px 12px;
            }
            .dock-logo span {
                font-size: 13px;
            }
            .article-body {
                font-size: 15px;
                line-height: 1.8;
            }
            .article-body h2 {
                font-size: 20px;
            }
            .breadcrumb-wrap {
                padding: 12px 0;
            }
            .breadcrumb-item .current {
                max-width: 160px;
            }
            .cta-text h2 {
                font-size: 20px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #2E7CF6;
            --primary-dark: #1E5FD0;
            --primary-light: #EAF2FE;
            --accent: #0EA5A4;
            --bg: #F6F9FC;
            --text: #1E293B;
            --text-body: #475569;
            --text-muted: #94A3B8;
            --border: #E2E8F0;
            --radius: 16px;
            --shadow-sm: 0 1px 3px rgba(46, 124, 246, 0.06);
            --shadow-md: 0 6px 20px rgba(46, 124, 246, 0.08);
            --shadow-lg: 0 12px 32px rgba(46, 124, 246, 0.12);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
        }
        .container {
            max-width: 1152px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Dock 导航 */
        .dock-nav {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 100;
            display: flex;
            justify-content: center;
            padding: 0 20px;
        }
        .dock-inner {
            width: 100%;
            max-width: 960px;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border);
            border-radius: 999px;
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 12px 8px 16px;
            gap: 14px;
        }
        .dock-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 16px;
            color: var(--text);
            white-space: nowrap;
        }
        .dock-logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            flex-shrink: 0;
        }
        .dock-menu {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            transition: all .2s ease;
        }
        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .dock-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .dock-search {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: none;
            color: var(--text-body);
            cursor: pointer;
            transition: all .2s ease;
        }
        .dock-search:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .menu-toggle {
            display: none;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: transparent;
            border: none;
            color: var(--text-body);
            font-size: 16px;
            cursor: pointer;
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 24px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all .2s ease;
            box-shadow: var(--shadow-sm);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--border);
            padding: 12px 24px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all .2s ease;
        }
        .btn-outline:hover {
            border-color: var(--primary);
            background: var(--primary-light);
        }

        /* 页面头部 */
        .page-hero {
            padding: 140px 0 48px;
            background: linear-gradient(135deg, #F6F9FC 0%, #EAF2FE 100%);
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 280px;
            height: 280px;
            background: #DBEAFE;
            opacity: .4;
            border-radius: 50%;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .badge-pill {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 16px;
            box-shadow: var(--shadow-sm);
        }
        .page-hero h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--text);
        }
        .page-hero p {
            font-size: 16px;
            color: var(--text-body);
            max-width: 680px;
        }

        /* 分类主体内容 */
        .category-main {
            padding: 48px 0 72px;
        }
        .content-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all .25s ease;
        }
        .content-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .content-card-img {
            overflow: hidden;
            background: var(--primary-light);
        }
        .content-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .content-card-body {
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            flex: 1;
        }
        .content-card-body h2 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .content-card-body p {
            font-size: 14px;
            color: var(--text-body);
            margin-bottom: 12px;
            line-height: 1.7;
        }
        .link-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .2s ease;
        }
        .link-more:hover {
            gap: 10px;
        }

        /* 侧栏 */
        .side-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 24px;
        }
        .side-card h3 {
            font-size: 16px;
            font-weight: 700;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 16px;
        }
        .side-info-list {
            list-style: none;
        }
        .side-info-list li {
            display: flex;
            gap: 10px;
            font-size: 14px;
            color: var(--text-body);
            padding: 6px 0;
            line-height: 1.6;
        }
        .side-info-list .label {
            color: var(--text-muted);
            flex-shrink: 0;
        }
        .side-links {
            list-style: none;
            margin-top: 12px;
        }
        .side-links li {
            padding: 8px 0;
            border-bottom: 1px dashed var(--border);
        }
        .side-links li:last-child {
            border-bottom: none;
        }
        .side-links a {
            color: var(--primary);
            font-size: 14px;
            font-weight: 500;
            transition: opacity .2s;
        }
        .side-links a:hover {
            opacity: .75;
            text-decoration: underline;
        }
        .side-card-img {
            margin-top: 16px;
            border-radius: 12px;
            overflow: hidden;
            position: relative;
        }
        .side-card-img img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }
        .side-card-img span {
            position: absolute;
            bottom: 10px;
            left: 10px;
            background: rgba(30, 41, 59, .75);
            color: #fff;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
            white-space: nowrap;
        }

        /* 区块标题 */
        .section-bar {
            width: 32px;
            height: 4px;
            background: var(--primary);
            border-radius: 999px;
            margin: 0 auto 16px;
        }
        .section-head h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text);
        }
        .section-head p {
            color: var(--text-body);
            margin-top: 8px;
            font-size: 15px;
        }

        /* 特点 */
        .feature-section {
            padding: 72px 0;
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .feature-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 24px;
            text-align: center;
            transition: all .25s ease;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            background: #fff;
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin: 0 auto 16px;
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
        }

        /* 流程 */
        .steps-section {
            padding: 72px 0;
        }
        .step-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 32px 24px 28px;
            position: relative;
            overflow: hidden;
            transition: all .25s ease;
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .step-number {
            position: absolute;
            top: 10px;
            right: 18px;
            font-size: 52px;
            font-weight: 800;
            color: var(--primary-light);
            line-height: 1;
        }
        .step-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 16px;
            position: relative;
            z-index: 2;
        }
        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            position: relative;
            z-index: 2;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-body);
            position: relative;
            z-index: 2;
            line-height: 1.7;
        }

        /* FAQ */
        .faq-section {
            padding: 72px 0;
            background: #fff;
            border-top: 1px solid var(--border);
        }
        .faq-item {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            transition: all .2s ease;
        }
        .faq-item.open {
            background: #fff;
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            background: transparent;
            border: none;
            padding: 18px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
            transition: transform .2s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            display: none;
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            padding: 72px 0;
        }
        .cta-box {
            background: var(--primary);
            border-radius: 24px;
            padding: 48px 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-box::after {
            content: '';
            position: absolute;
            right: -40px;
            top: -40px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, .08);
            border-radius: 50%;
        }
        .cta-box h2 {
            font-size: 26px;
            font-weight: 800;
            position: relative;
            z-index: 2;
        }
        .cta-box p {
            margin-top: 8px;
            opacity: .85;
            font-size: 15px;
            position: relative;
            z-index: 2;
        }
        .cta-actions {
            display: flex;
            gap: 12px;
            position: relative;
            z-index: 2;
            flex-shrink: 0;
        }
        .cta-actions .btn-primary {
            background: #fff;
            color: var(--primary);
        }
        .cta-actions .btn-primary:hover {
            background: #F0F4FF;
        }
        .cta-actions .btn-outline {
            border-color: rgba(255, 255, 255, .5);
            color: #fff;
            background: transparent;
        }
        .cta-actions .btn-outline:hover {
            background: rgba(255, 255, 255, .15);
            border-color: #fff;
        }

        /* 页脚 */
        .footer-section {
            background: #F1F5F9;
            border-top: 1px solid var(--border);
            padding: 48px 0 24px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 16px;
            margin-bottom: 12px;
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-heading {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: var(--text-body);
            font-size: 14px;
            transition: color .2s;
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 移动端辅助 */
        @media (max-width: 768px) {
            .dock-menu {
                display: none;
                position: fixed;
                top: 72px;
                left: 20px;
                right: 20px;
                background: #fff;
                border-radius: 16px;
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--border);
                flex-direction: column;
                padding: 12px;
            }
            .dock-menu.open {
                display: flex;
            }
            .menu-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .cta-box {
                flex-direction: column;
                text-align: center;
                padding: 36px 24px;
            }
        }
        @media (max-width: 520px) {
            .dock-actions .btn-primary .btn-text {
                display: none;
            }
            .page-hero {
                padding-top: 120px;
            }
            .container {
                padding: 0 16px;
            }
            .cta-actions {
                flex-direction: column;
                width: 100%;
            }
            .cta-actions .btn-primary,
            .cta-actions .btn-outline {
                width: 100%;
                justify-content: center;
            }
        }