        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            color: #1e293b;
            line-height: 1.6;
            background: #f8fafc;
        }
        
        /* 顶部工具栏 */
        .top-bar {
            background: #1a365d;
            color: white;
            padding: 10px 0;
            font-size: 14px;
        }
        
        .top-bar-content {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .top-bar-left {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        
        .top-bar-right {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        
        .top-bar a {
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        
        .top-bar a:hover {
            color: #60a5fa;
        }
        
        /* 头部导航 */
        header {
            background: white;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        
        .header-content {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }
        
        .logo {
            font-size: 28px;
            font-weight: 800;
            color: #2563eb;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .logo i {
            font-size: 32px;
        }
        
        nav > ul {
            display: flex;
            list-style: none;
            gap: 5px;
        }
        
        nav > ul > li {
            position: relative;
        }
        
        nav > ul > li > a {
            display: block;
            padding: 12px 20px;
            color: #475569;
            text-decoration: none;
            font-weight: 500;
            border-radius: 6px;
            transition: all 0.3s;
        }
        
        nav > ul > li > a:hover,
        nav > ul > li.active > a {
            color: #2563eb;
            background: #eff6ff;
        }
        
        nav > ul > li > a::after {
            content: '\f0d7';
            font-family: 'FontAwesome';
            margin-left: 6px;
            font-size: 12px;
            opacity: 0.5;
        }
        
        nav > ul > li > a:only-child::after {
            display: none;
        }
        
        /* 下拉菜单 */
        .dropdown {
            position: absolute;
            top: 100%;
            left: 0;
            background: white;
            min-width: 220px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.15);
            border-radius: 8px;
            padding: 10px 0;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.3s;
        }
        
        nav > ul > li:hover .dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        
        .dropdown li {
            list-style: none;
            position: relative;
        }
        
        .dropdown li a {
            display: block;
            padding: 12px 20px;
            color: #475569;
            text-decoration: none;
            transition: all 0.3s;
        }
        
        .dropdown li a:hover {
            background: #eff6ff;
            color: #2563eb;
            padding-left: 25px;
        }
        
        /* Banner */
        .page-banner {
            background: linear-gradient(135deg, #7c3aed 0%, #2563eb 50%, #0ea5e9 100%);
            height: 280px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }
        
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('https://images.unsplash.com/photo-1581091226825-a6a2a5aee158?w=1920') center/cover;
            opacity: 0.15;
        }
        
        .banner-content {
            position: relative;
            z-index: 1;
            text-align: center;
            color: white;
        }
        
        .banner-content h1 {
            font-size: 42px;
            font-weight: 700;
            margin: 0 0 10px 0;
        }
        
        .banner-content p {
            font-size: 18px;
            opacity: 0.95;
            margin: 0;
        }
        
        /* 面包屑 */
        .breadcrumb {
            background: #fff;
            padding: 15px 0;
            border-bottom: 1px solid #e2e8f0;
        }
        
        .breadcrumb-content {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: #64748b;
        }
        
        .breadcrumb-content a {
            color: #2563eb;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        
        /* 主内容区 */
        .main-content {
            padding: 50px 0;
            background: #f8fafc;
        }
        
        .content-wrapper {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 300px 1fr;
            gap: 35px;
        }
        
        /* 侧边栏 */
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        
        /* 分类导航 */
        .category-nav {
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.06);
            overflow: hidden;
            margin-bottom: 25px;
        }
        
        .category-title {
            background: linear-gradient(135deg, #7c3aed, #2563eb);
            color: white;
            padding: 18px 20px;
            font-size: 17px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        /* 一级分类 - 紫色系 */
        .cat-level-1 {
            background: #f5f3ff;
        }
        
        .cat-level-1 > a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 20px;
            color: #5b21b6;
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px solid #ddd6fe;
            font-size: 15px;
        }
        
        .cat-level-1 > a:hover {
            filter: brightness(1.05);
        }
        
        .cat-level-1.current > a {
            background: #7c3aed;
            color: white;
            border-left: 4px solid #f59e0b;
        }
        
        /* 二级分类 - 蓝色系 */
        .cat-level-2 {
            background: #eff6ff;
        }
        
        .cat-level-2 > a {
            display: block;
            padding: 11px 20px 11px 40px;
            color: #1d4ed8;
            text-decoration: none;
            font-weight: 500;
            border-bottom: 1px solid #dbeafe;
            font-size: 14px;
        }
        
        .cat-level-2 > a:hover {
            background: rgba(37, 99, 235, 0.1);
        }
        
        .cat-level-2.current > a {
            background: #2563eb;
            color: white;
            border-left: 4px solid #f59e0b;
        }
        
        /* 三级分类 - 白色 */
        .cat-level-3 {
            background: #fff;
        }
        
        .cat-level-3 > a {
            display: block;
            padding: 9px 20px 9px 55px;
            color: #64748b;
            text-decoration: none;
            font-size: 13px;
            border-bottom: 1px solid #f1f5f9;
        }
        
        .cat-level-3 > a:hover {
            background: rgba(124, 58, 237, 0.05);
            color: #7c3aed;
        }
        
        .cat-level-3.current > a {
            background: #ede9fe;
            color: #7c3aed;
            font-weight: 600;
            border-left: 4px solid #7c3aed;
        }
        
        /* 联系方式卡片 */
        .contact-card {
            background: linear-gradient(135deg, #7c3aed, #2563eb);
            border-radius: 12px;
            padding: 22px;
            color: white;
            margin-bottom: 25px;
        }
        
        .contact-card h3 {
            margin: 0 0 18px 0;
            font-size: 17px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .contact-info {
            margin-bottom: 18px;
        }
        
        .contact-info-item {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
            font-size: 14px;
        }
        
        .contact-info-item i {
            width: 18px;
            font-size: 15px;
        }
        
        .contact-btn {
            display: block;
            background: white;
            color: #7c3aed;
            text-align: center;
            padding: 11px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            font-size: 14px;
            transition: all 0.3s;
        }
        
        .contact-btn:hover {
            transform: scale(1.02);
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
        }
        
        /* 右侧主内容区 */
        .custom-detail-main {
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.06);
            padding: 35px;
        }
        
        .page-title {
            font-size: 30px;
            color: #1e293b;
            margin: 0 0 15px 0;
            font-weight: 700;
            line-height: 1.3;
        }
        
        .page-subtitle {
            font-size: 16px;
            color: #64748b;
            margin-bottom: 25px;
            padding-bottom: 20px;
            border-bottom: 1px solid #e2e8f0;
        }
        
        .page-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            flex-wrap: wrap;
            gap: 15px;
        }
        
        .meta-tags {
            display: flex;
            gap: 8px;
            align-items: center;
            flex-wrap: wrap;
        }
        
        .tag {
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background: #ede9fe;
            color: #7c3aed;
        }
        
        .tag.purple { background: #ede9fe; color: #7c3aed; }
        .tag.blue { background: #dbeafe; color: #2563eb; }
        .tag.green { background: #dcfce7; color: #16a34a; }
        .tag.orange { background: #ffedd5; color: #ea580c; }
        
        .share-collect {
            display: flex;
            gap: 12px;
            align-items: center;
        }
        
        .share-collect span {
            font-size: 13px;
            color: #64748b;
        }
        
        .share-btn {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            text-decoration: none;
            font-size: 16px;
            transition: all 0.3s;
        }
        
        .share-btn.weixin { background: #07c160; }
        .share-btn.weibo { background: #e6162d; }
        .share-btn.linkedin { background: #0077b5; }
        .share-btn.collect { background: #f1f5f9; color: #f59e0b; }
        
        .share-btn:hover {
            transform: scale(1.1);
        }
        
        /* 服务亮点 */
        .service-highlights {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 40px;
        }
        
        .highlight-item {
            text-align: center;
            padding: 25px 15px;
            background: linear-gradient(135deg, #f8fafc, #f1f5f9);
            border-radius: 10px;
            transition: all 0.3s;
        }
        
        .highlight-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
        }
        
        .highlight-icon {
            width: 60px;
            height: 60px;
            margin: 0 auto 15px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: white;
        }
        
        .highlight-icon.purple { background: linear-gradient(135deg, #a78bfa, #7c3aed); }
        .highlight-icon.blue { background: linear-gradient(135deg, #60a5fa, #2563eb); }
        .highlight-icon.green { background: linear-gradient(135deg, #4ade80, #16a34a); }
        .highlight-icon.orange { background: linear-gradient(135deg, #fb923c, #ea580c); }
        
        .highlight-item h4 {
            font-size: 16px;
            color: #1e293b;
            margin-bottom: 8px;
        }
        
        .highlight-item p {
            font-size: 13px;
            color: #64748b;
            line-height: 1.5;
        }
        
        /* 内容区块 */
        .content-section {
            margin-bottom: 35px;
        }
        
        .section-title {
            font-size: 22px;
            color: #1e293b;
            margin: 0 0 20px 0;
            padding-left: 15px;
            border-left: 4px solid #7c3aed;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .section-title i {
            color: #7c3aed;
            font-size: 20px;
        }
        
        .content-body {
            line-height: 2;
            color: #475569;
            font-size: 15px;
        }
        
        .content-body p {
            margin-bottom: 15px;
        }
        
        .content-body ul {
            padding-left: 20px;
            margin-bottom: 15px;
        }
        
        .content-body li {
            margin-bottom: 8px;
        }
        
        /* 定制流程 */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
            margin-top: 20px;
        }
        
        .step-item {
            text-align: center;
            padding: 20px 10px;
            background: #f8fafc;
            border-radius: 10px;
            position: relative;
            transition: all 0.3s;
        }
        
        .step-item:hover {
            background: #ede9fe;
            transform: translateY(-3px);
        }
        
        .step-number {
            width: 40px;
            height: 40px;
            margin: 0 auto 12px;
            background: linear-gradient(135deg, #7c3aed, #2563eb);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
        }
        
        .step-item h5 {
            font-size: 15px;
            color: #1e293b;
            margin-bottom: 5px;
        }
        
        .step-item p {
            font-size: 12px;
            color: #64748b;
            line-height: 1.4;
        }
        
        .step-item::after {
            content: '\f105';
            font-family: 'FontAwesome';
            position: absolute;
            right: -10px;
            top: 50%;
            transform: translateY(-50%);
            color: #cbd5e1;
            font-size: 20px;
        }
        
        .step-item:last-child::after {
            display: none;
        }
        
        /* 咨询区域 */
        .consult-section {
            background: linear-gradient(135deg, #f5f3ff 0%, #eff6ff 100%);
            border-radius: 12px;
            padding: 30px;
            margin-top: 30px;
        }
        
        .consult-section h3 {
            font-size: 20px;
            color: #1e293b;
            margin: 0 0 20px 0;
            text-align: center;
        }
        
        .consult-actions {
            display: flex;
            gap: 20px;
            justify-content: center;
            margin-bottom: 25px;
        }
        
        .consult-btn {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 30px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            font-size: 15px;
            transition: all 0.3s;
        }
        
        .consult-btn.primary {
            background: linear-gradient(135deg, #7c3aed, #2563eb);
            color: white;
        }
        
        .consult-btn.secondary {
            background: white;
            color: #7c3aed;
            border: 2px solid #7c3aed;
        }
        
        .consult-btn:hover {
            transform: scale(1.03);
            box-shadow: 0 6px 20px rgba(124, 58, 237, 0.3);
        }
        
        /* 表单样式 */
        .custom-form {
            background: white;
            border-radius: 10px;
            padding: 25px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }
        
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-bottom: 15px;
        }
        
        .form-group {
            margin-bottom: 15px;
        }
        
        .form-group label {
            display: block;
            font-size: 14px;
            color: #475569;
            margin-bottom: 6px;
            font-weight: 500;
        }
        
        .form-group label span {
            color: #ef4444;
            margin-left: 3px;
        }
        
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 10px 12px;
            border: 1px solid #e2e8f0;
            border-radius: 6px;
            font-size: 14px;
            font-family: inherit;
            transition: border-color 0.3s;
        }
        
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: #7c3aed;
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
        }
        
        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }
        
        .form-submit {
            text-align: center;
            margin-top: 20px;
        }
        
        .submit-btn {
            background: linear-gradient(135deg, #7c3aed, #2563eb);
            color: white;
            border: none;
            padding: 14px 50px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .submit-btn:hover {
            transform: scale(1.02);
            box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
        }
        
        /* 底部 */
        footer {
            background: #1e293b;
            color: #94a3b8;
            padding: 50px 0 20px;
            margin-top: 60px;
        }
        
        .footer-content {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-logo {
            font-size: 24px;
            font-weight: 700;
            color: white;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .footer-logo i {
            color: #60a5fa;
        }
        
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        
        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 14px;
        }
        
        .footer-contact span {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .footer-contact i {
            color: #60a5fa;
            width: 16px;
        }
        
        .footer-column h4 {
            color: white;
            font-size: 16px;
            margin-bottom: 20px;
            font-weight: 600;
        }
        
        .footer-column ul {
            list-style: none;
        }
        
        .footer-column li {
            margin-bottom: 10px;
        }
        
        .footer-column a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s;
        }
        
        .footer-column a:hover {
            color: #60a5fa;
        }
        
        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
        }
        
        /* 响应式 */
        @media (max-width: 1024px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            
            .sidebar {
                position: static;
                order: 2;
            }
            
            .service-highlights {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .process-steps {
                grid-template-columns: repeat(3, 1fr);
            }
            
            .step-item:nth-child(3)::after {
                display: none;
            }
            
            .footer-content {
                grid-template-columns: 1fr 1fr;
            }
        }
        
        @media (max-width: 640px) {
            nav > ul {
                display: none;
            }
            
            .banner-content h1 {
                font-size: 28px;
            }
            
            .service-highlights {
                grid-template-columns: 1fr;
            }
            
            .process-steps {
                grid-template-columns: 1fr;
            }
            
            .step-item::after {
                display: none;
            }
            
            .form-row {
                grid-template-columns: 1fr;
            }
            
            .consult-actions {
                flex-direction: column;
                align-items: stretch;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
            }
            
            .custom-detail-main {
                padding: 20px;
            }
        }