/* 撞色艳色风 - 现代企业官网视觉方案 */
        :root {
            --bg-main: #f8fafc;
            --bg-card: #ffffff;
            --primary: #2563eb;       /* 科技电光蓝 */
            --accent-orange: #ff471a; /* 活力艳橙 - 碰撞色1 */
            --accent-green: #10b981;  /* 荧光青绿 - 碰撞色2 */
            --accent-purple: #8b5cf6; /* 幻影深紫 - 碰撞色3 */
            --text-dark: #0f172a;     /* 极深灰 */
            --text-muted: #64748b;    /* 中灰 */
            --border-color: #e2e8f0;
            --max-width: 1200px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg-main);
            color: var(--text-dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-bottom: 2px solid var(--text-dark);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-area img {
            height: 40px;
            width: auto;
        }

        .logo-title {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .logo-tag {
            background: linear-gradient(135deg, var(--accent-orange), var(--accent-purple));
            color: white;
            font-size: 0.7rem;
            padding: 2px 6px;
            border-radius: 4px;
            text-transform: uppercase;
        }

        nav {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        nav a {
            color: var(--text-dark);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            transition: color 0.3s;
            position: relative;
        }

        nav a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent-orange);
            transition: width 0.3s;
        }

        nav a:hover::after {
            width: 100%;
        }

        nav a:hover {
            color: var(--accent-orange);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            font-weight: 700;
            text-decoration: none;
            border-radius: 6px;
            transition: all 0.2s ease-in-out;
            cursor: pointer;
        }

        .btn-outline {
            border: 2px solid var(--text-dark);
            color: var(--text-dark);
            background: transparent;
        }

        .btn-outline:hover {
            background-color: var(--text-dark);
            color: white;
        }

        .btn-accent {
            background-color: var(--accent-orange);
            color: white;
            border: 2px solid var(--text-dark);
            box-shadow: 3px 3px 0px var(--text-dark);
        }

        .btn-accent:hover {
            transform: translate(-2px, -2px);
            box-shadow: 5px 5px 0px var(--text-dark);
        }

        /* 移动端菜单切换按钮 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .menu-toggle span {
            display: block;
            width: 28px;
            height: 3px;
            background-color: var(--text-dark);
            border-radius: 2px;
        }

        /* 核心首屏 Hero (无图片限制) */
        .hero-section {
            background: radial-gradient(circle at 80% 20%, #e0e7ff 0%, var(--bg-main) 60%);
            padding: 100px 0 80px 0;
            border-bottom: 2px solid var(--text-dark);
            position: relative;
            overflow: hidden;
        }

        /* 纯CSS科技风背景几何装饰 */
        .hero-bg-shapes {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
            pointer-events: none;
        }

        .shape-circle {
            position: absolute;
            border: 3px dashed var(--accent-purple);
            border-radius: 50%;
            width: 300px;
            height: 300px;
            top: -50px;
            right: -50px;
            opacity: 0.15;
            animation: rotate 60s linear infinite;
        }

        .shape-rect {
            position: absolute;
            width: 150px;
            height: 150px;
            border: 2px solid var(--accent-green);
            bottom: 10%;
            left: 5%;
            opacity: 0.1;
            transform: rotate(45deg);
        }

        @keyframes rotate {
            100% { transform: rotate(360deg); }
        }

        .hero-wrapper {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-badge {
            background-color: #ffe4e6;
            color: var(--accent-orange);
            border: 2px solid var(--accent-orange);
            display: inline-block;
            padding: 6px 16px;
            font-size: 0.9rem;
            font-weight: 700;
            border-radius: 30px;
            margin-bottom: 24px;
        }

        .hero-title {
            font-size: 3.2rem;
            line-height: 1.2;
            font-weight: 900;
            color: var(--text-dark);
            margin-bottom: 24px;
            letter-spacing: -1px;
        }

        .hero-title span {
            background: linear-gradient(90deg, var(--primary), var(--accent-orange));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.25rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            font-weight: 500;
            line-height: 1.6;
        }

        .hero-btns {
            display: flex;
            gap: 20px;
            justify-content: center;
            margin-bottom: 60px;
        }

        .hero-btns .btn {
            padding: 16px 36px;
            font-size: 1.1rem;
        }

        /* 数据指标卡片 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .metric-card {
            background: var(--bg-card);
            border: 2px solid var(--text-dark);
            border-radius: 8px;
            padding: 24px;
            text-align: center;
            box-shadow: 4px 4px 0px var(--text-dark);
            transition: all 0.3s;
        }

        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: 6px 6px 0px var(--accent-green);
        }

        .metric-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 8px;
            font-family: monospace;
        }

        .metric-num span {
            color: var(--accent-orange);
        }

        .metric-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* 板块标题与结构组件 */
        section {
            padding: 80px 0;
            border-bottom: 2px solid var(--text-dark);
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-label {
            font-size: 0.9rem;
            font-weight: 800;
            color: var(--accent-purple);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 10px;
            display: block;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-dark);
        }

        /* 关于我们与平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text-dark);
        }

        .about-text p {
            color: var(--text-muted);
            font-size: 1.05rem;
            margin-bottom: 24px;
        }

        .features-checklist {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .features-checklist li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            font-size: 0.95rem;
        }

        .features-checklist li::before {
            content: "✓";
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 20px;
            height: 20px;
            background-color: var(--accent-green);
            color: white;
            border-radius: 50%;
            font-size: 0.8rem;
            font-weight: bold;
        }

        .about-highlight-box {
            background-color: var(--text-dark);
            color: white;
            padding: 30px;
            border-radius: 12px;
            border: 2px solid var(--text-dark);
            box-shadow: 6px 6px 0px var(--accent-orange);
        }

        .about-highlight-box h4 {
            color: var(--accent-orange);
            font-size: 1.3rem;
            margin-bottom: 15px;
            font-weight: 800;
        }

        .about-highlight-box p {
            color: #cbd5e1;
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

        /* 服务与制作能力卡片 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: var(--bg-card);
            border: 2px solid var(--text-dark);
            border-radius: 8px;
            padding: 30px;
            box-shadow: 4px 4px 0px var(--text-dark);
            transition: all 0.3s;
        }

        .service-card:hover {
            transform: translate(-4px, -4px);
            box-shadow: 8px 8px 0px var(--accent-purple);
        }

        .service-icon {
            font-size: 2rem;
            margin-bottom: 20px;
            display: inline-block;
        }

        .service-card h3 {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

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

        .tag-list span {
            background-color: #f1f5f9;
            border: 1px solid var(--text-dark);
            padding: 4px 8px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        /* 解决方案与网络 */
        .solutions-section {
            background-color: #f8fafc;
        }

        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .solution-box {
            background: var(--bg-card);
            border: 2px solid var(--text-dark);
            border-radius: 12px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            box-shadow: 6px 6px 0px var(--text-dark);
        }

        .solution-content {
            padding: 30px;
            flex-grow: 1;
        }

        .solution-content h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .solution-content p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

        .solution-list {
            list-style: none;
            margin-bottom: 20px;
        }

        .solution-list li {
            position: relative;
            padding-left: 20px;
            margin-bottom: 8px;
            font-size: 0.9rem;
            font-weight: 600;
        }

        .solution-list li::before {
            content: "▪";
            position: absolute;
            left: 0;
            color: var(--accent-orange);
            font-size: 1.2rem;
            top: -2px;
        }

        /* 服务网络卡片 */
        .network-section {
            background: linear-gradient(185deg, var(--bg-main), #eef2ff);
        }

        .network-container {
            display: flex;
            gap: 40px;
            align-items: center;
        }

        .network-info {
            flex: 1;
        }

        .network-cities {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 15px;
            flex: 1;
        }

        .city-card {
            background: var(--bg-card);
            border: 2px solid var(--text-dark);
            padding: 15px;
            text-align: center;
            border-radius: 6px;
            font-weight: 700;
            font-size: 0.95rem;
            box-shadow: 2px 2px 0px var(--text-dark);
        }

        .city-card:hover {
            background-color: var(--text-dark);
            color: white;
        }

        /* 标准化流程与步骤 */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-card {
            background: var(--bg-card);
            border: 2px solid var(--text-dark);
            border-radius: 8px;
            padding: 30px 20px;
            text-align: center;
            position: relative;
            box-shadow: 4px 4px 0px var(--text-dark);
        }

        .step-num {
            width: 40px;
            height: 40px;
            background-color: var(--accent-orange);
            color: white;
            border: 2px solid var(--text-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            margin: 0 auto 20px auto;
        }

        .step-card h4 {
            font-size: 1.15rem;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .step-card p {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* 客户案例中心 (包含真实图片素材) */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background: var(--bg-card);
            border: 2px solid var(--text-dark);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 6px 6px 0px var(--text-dark);
            display: flex;
            flex-direction: column;
            transition: transform 0.2s;
        }

        .case-card:hover {
            transform: translateY(-5px);
        }

        .case-img-container {
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            border-bottom: 2px solid var(--text-dark);
            background-color: #f1f5f9;
        }

        .case-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s;
        }

        .case-card:hover .case-img-container img {
            transform: scale(1.05);
        }

        .case-content {
            padding: 24px;
            flex-grow: 1;
        }

        .case-tag {
            background-color: var(--accent-green);
            color: white;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 12px;
            border: 1px solid var(--text-dark);
        }

        .case-content h4 {
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .case-content p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* 对比评测板块 */
        .compare-section {
            background-color: var(--text-dark);
            color: white;
        }

        .compare-section .section-title {
            color: white;
        }

        .compare-container {
            max-width: 900px;
            margin: 0 auto;
        }

        .rating-badge {
            background-color: var(--accent-orange);
            color: white;
            padding: 15px 30px;
            border-radius: 8px;
            text-align: center;
            margin-bottom: 30px;
            border: 2px solid white;
            display: inline-block;
        }

        .rating-score {
            font-size: 2.5rem;
            font-weight: 900;
            font-family: monospace;
        }

        .compare-table-wrapper {
            overflow-x: auto;
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 20px;
        }

        .compare-table th, .compare-table td {
            border: 1px solid #334155;
            padding: 16px;
            text-align: left;
        }

        .compare-table th {
            background-color: #1e293b;
            color: white;
            font-weight: 700;
        }

        .compare-table tr:nth-child(even) td {
            background-color: #1e293b;
        }

        .compare-table td strong {
            color: var(--accent-green);
        }

        /* 智能需求匹配与表单 */
        .form-section {
            background: linear-gradient(135deg, #eef2ff 0%, #f4f6fc 100%);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .form-intro h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .form-intro p {
            color: var(--text-muted);
            margin-bottom: 30px;
        }

        .interactive-form {
            background: var(--bg-card);
            border: 2px solid var(--text-dark);
            border-radius: 12px;
            padding: 40px 30px;
            box-shadow: 8px 8px 0px var(--text-dark);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-label {
            display: block;
            font-weight: 700;
            margin-bottom: 8px;
            font-size: 0.95rem;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--text-dark);
            border-radius: 6px;
            font-size: 1rem;
            outline: none;
            background-color: var(--bg-main);
        }

        .form-control:focus {
            border-color: var(--accent-orange);
            background-color: white;
        }

        textarea.form-control {
            resize: vertical;
            min-height: 100px;
        }

        /* Token 比价参考 */
        .price-section {
            background-color: var(--bg-main);
        }

        .price-table-wrapper {
            background: var(--bg-card);
            border: 2px solid var(--text-dark);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 6px 6px 0px var(--text-dark);
        }

        .price-table {
            width: 100%;
            border-collapse: collapse;
        }

        .price-table th, .price-table td {
            padding: 16px 24px;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }

        .price-table th {
            background-color: #f8fafc;
            font-weight: 800;
            color: var(--text-dark);
            border-bottom: 2px solid var(--text-dark);
        }

        .price-table tbody tr:hover {
            background-color: #f1f5f9;
        }

        .badge-hot {
            background-color: #fee2e2;
            color: #ef4444;
            padding: 2px 6px;
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: 4px;
            margin-left: 8px;
        }

        /* 培训体系 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .training-card {
            background: var(--bg-card);
            border: 2px solid var(--text-dark);
            border-radius: 12px;
            padding: 30px;
            box-shadow: 6px 6px 0px var(--text-dark);
            position: relative;
            overflow: hidden;
        }

        .training-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 6px;
            background: linear-gradient(90deg, var(--accent-orange), var(--accent-purple));
        }

        .training-card h3 {
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .training-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 20px;
        }

        .certificate-badge {
            background-color: #f1f5f9;
            padding: 10px;
            border-radius: 6px;
            font-size: 0.85rem;
            font-weight: 700;
            border: 1px dashed var(--text-dark);
        }

        /* 加盟代理 */
        .agent-section {
            background: linear-gradient(135deg, #fef3c7 0%, #fffbeb 100%);
        }

        .agent-box {
            border: 2px solid var(--text-dark);
            background: var(--bg-card);
            border-radius: 12px;
            padding: 50px;
            box-shadow: 8px 8px 0px var(--text-dark);
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .agent-info h3 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .agent-info p {
            color: var(--text-muted);
            font-size: 1.05rem;
            margin-bottom: 24px;
        }

        .agent-highlights {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr;
            gap: 12px;
            margin-bottom: 30px;
        }

        .agent-highlights li {
            font-weight: 700;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .agent-highlights li::before {
            content: '⭐';
        }

        /* 帮助中心 & 自助排查 & 百科 */
        .help-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
        }

        .help-sidebar {
            background: var(--bg-card);
            border: 2px solid var(--text-dark);
            padding: 30px;
            border-radius: 8px;
            box-shadow: 4px 4px 0px var(--text-dark);
        }

        .help-sidebar h3 {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .trouble-list {
            list-style: none;
        }

        .trouble-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            transition: color 0.2s;
        }

        .trouble-list li:hover {
            color: var(--accent-orange);
        }

        .trouble-list li:last-child {
            border-bottom: none;
        }

        .glossary-box h3 {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

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

        .glossary-card {
            background: var(--bg-card);
            border: 2px solid var(--text-dark);
            padding: 20px;
            border-radius: 6px;
        }

        .glossary-card h4 {
            font-weight: 800;
            margin-bottom: 6px;
            color: var(--primary);
        }

        .glossary-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* FAQ 折叠面板 (10+ 条) */
        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 2px solid var(--text-dark);
            background-color: var(--bg-card);
            border-radius: 8px;
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: 3px 3px 0px var(--text-dark);
        }

        .faq-question {
            padding: 20px 24px;
            background-color: var(--bg-card);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 700;
            font-size: 1.05rem;
            user-select: none;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.5rem;
            transition: transform 0.3s;
        }

        .faq-item.active .faq-question::after {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: #f8fafc;
            border-top: 0px solid var(--text-dark);
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            border-top: 2px solid var(--text-dark);
        }

        .faq-answer-inner {
            padding: 20px 24px;
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 客户评论卡片 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .review-card {
            background: var(--bg-card);
            border: 2px solid var(--text-dark);
            border-radius: 8px;
            padding: 30px;
            box-shadow: 4px 4px 0px var(--text-dark);
        }

        .review-rating {
            color: #f59e0b;
            font-size: 1.2rem;
            margin-bottom: 12px;
        }

        .review-text {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
            font-style: italic;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--text-dark);
            border: 2px solid var(--text-dark);
        }

        .author-info h4 {
            font-size: 0.95rem;
            font-weight: 800;
        }

        .author-info span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 知识库板块 (最新文章链接) */
        .blog-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .blog-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .blog-item {
            background: var(--bg-card);
            border: 2px solid var(--text-dark);
            border-radius: 8px;
            padding: 16px 20px;
            box-shadow: 3px 3px 0px var(--text-dark);
            transition: all 0.2s;
        }

        .blog-item:hover {
            transform: translate(-2px, -2px);
            box-shadow: 5px 5px 0px var(--accent-orange);
        }

        .blog-item a {
            color: var(--text-dark);
            text-decoration: none;
            font-weight: 700;
            font-size: 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .blog-item a:hover {
            color: var(--accent-orange);
        }

        /* 联系我们 & 二维码 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .contact-info-card {
            background: var(--bg-card);
            border: 2px solid var(--text-dark);
            border-radius: 12px;
            padding: 40px;
            box-shadow: 6px 6px 0px var(--text-dark);
        }

        .contact-info-card h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 24px;
        }

        .contact-details {
            margin-bottom: 30px;
        }

        .contact-detail-item {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
            font-size: 1rem;
            font-weight: 600;
        }

        .contact-detail-item strong {
            color: var(--accent-purple);
        }

        .qr-codes-container {
            display: flex;
            gap: 30px;
            margin-top: 30px;
        }

        .qr-item {
            text-align: center;
            border: 2px solid var(--text-dark);
            padding: 15px;
            border-radius: 8px;
            background-color: var(--bg-main);
            flex: 1;
        }

        .qr-item img {
            width: 100%;
            max-width: 130px;
            height: auto;
            border-radius: 4px;
            border: 1px solid var(--border-color);
            margin-bottom: 10px;
        }

        .qr-item p {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-dark);
        }

        /* 友情链接与页脚 */
        footer {
            background-color: var(--text-dark);
            color: #cbd5e1;
            padding: 60px 0 30px 0;
            border-top: 4px solid var(--accent-orange);
        }

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

        .footer-about h3 {
            color: white;
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .footer-about p {
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .footer-links h4 {
            color: white;
            font-size: 1.1rem;
            margin-bottom: 20px;
            font-weight: 800;
        }

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

        .footer-links ul li {
            margin-bottom: 12px;
        }

        .footer-links ul li a {
            color: #cbd5e1;
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.2s;
        }

        .footer-links ul li a:hover {
            color: var(--accent-orange);
        }

        .friend-links-box {
            border-top: 1px solid #334155;
            padding-top: 30px;
            margin-bottom: 30px;
        }

        .friend-links-box h4 {
            color: white;
            font-size: 1.1rem;
            margin-bottom: 15px;
            font-weight: 800;
        }

        .friend-links-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
        }

        .friend-links-list a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 0.85rem;
            transition: color 0.2s;
        }

        .friend-links-list a:hover {
            color: var(--accent-orange);
        }

        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 30px;
            text-align: center;
            font-size: 0.85rem;
            color: #94a3b8;
        }

        /* 悬浮客服面板 */
        .sticky-kf {
            position: fixed;
            right: 20px;
            bottom: 40px;
            z-index: 999;
            background-color: var(--bg-card);
            border: 2px solid var(--text-dark);
            border-radius: 8px;
            box-shadow: 4px 4px 0px var(--text-dark);
            padding: 10px;
            width: 130px;
            text-align: center;
        }

        .sticky-kf img {
            width: 100%;
            height: auto;
            border-radius: 4px;
        }

        .sticky-kf p {
            font-size: 0.75rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-top: 8px;
        }

        .sticky-kf .kf-btn {
            background-color: var(--accent-orange);
            color: white;
            text-decoration: none;
            font-size: 0.75rem;
            font-weight: bold;
            display: block;
            padding: 4px;
            border-radius: 4px;
            margin-top: 5px;
            border: 1px solid var(--text-dark);
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid, .cases-grid, .training-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-actions, nav {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            .hero-title {
                font-size: 2.2rem;
            }

            .about-grid, .solutions-grid, .network-container, .steps-container, .form-grid, .help-grid, .contact-grid, .agent-box, .footer-grid {
                grid-template-columns: 1fr;
            }

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

            .hero-btns {
                flex-direction: column;
                gap: 12px;
            }

            .hero-btns .btn {
                width: 100%;
            }
            
            .agent-box {
                padding: 24px;
            }

            /* 移动端菜单激活样式 */
            .mobile-menu-active nav {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: white;
                border-bottom: 2px solid var(--text-dark);
                padding: 20px;
                box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            }

            .mobile-menu-active .nav-actions {
                display: flex;
                flex-direction: column;
                width: 100%;
                padding: 10px 20px 20px 20px;
                background-color: white;
                position: absolute;
                top: 240px;
                left: 0;
            }
        }