:root {
            --primary-color: #2a6bd6;
            --secondary-color: #ff6b35;
            --light-color: #f8f9fa;
            --dark-color: #343a40;
            --success-color: #28a745;
            --warning-color: #ffc107;
            --danger-color: #dc3545;
            --border-radius: 8px;
            --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f5f7fa;
            overflow-x: hidden;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* 顶部导航和横幅 */
        .top-bar {
            background-color: var(--primary-color);
            color: white;
            padding: 10px 0;
            font-size: 0.9rem;
        }
        
        .top-bar-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .contact-info span {
            margin-right: 20px;
        }
        
        .contact-info i {
            margin-right: 5px;
        }
        
        .header {
            background: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo-icon {
            font-size: 2.2rem;
            color: var(--primary-color);
            margin-right: 10px;
        }
        
        .logo-text h1 {
            font-size: 1.6rem;
            color: var(--primary-color);
            line-height: 1.2;
        }
        
        .logo-text p {
            font-size: 0.85rem;
            color: #666;
        }
        
        .main-nav ul {
            display: flex;
            list-style: none;
        }
        
        .main-nav li {
            margin-left: 25px;
        }
        
        .main-nav a {
            text-decoration: none;
            color: var(--dark-color);
            font-weight: 500;
            transition: var(--transition);
            padding: 5px 0;
            position: relative;
        }
        
        .main-nav a:hover {
            color: var(--primary-color);
        }
        
        .main-nav a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background: var(--primary-color);
            bottom: 0;
            left: 0;
            transition: var(--transition);
        }
        
        .main-nav a:hover:after {
            width: 100%;
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary-color);
            cursor: pointer;
        }
        
        /* 横幅区域 */
        .banner {
            background: linear-gradient(135deg, #1e5bc5 0%, #3a7bf0 100%);
            color: white;
            padding: 60px 0;
            margin-bottom: 40px;
        }
        
        .banner-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        
        .banner-text {
            flex: 1;
        }
        
        .banner-text h2 {
            font-size: 2.2rem;
            margin-bottom: 15px;
            line-height: 1.3;
        }
        
        .banner-text p {
            font-size: 1.1rem;
            margin-bottom: 25px;
            opacity: 0.9;
        }
        
        .highlight {
            color: #ffdd00;
            font-weight: bold;
        }
        
        .banner-image {
            flex: 1;
            text-align: center;
        }
        
        .banner-image img {
            max-width: 100%;
            height: auto;
        }
        
        .btn-primary {
            display: inline-block;
            background-color: var(--secondary-color);
            color: white;
            padding: 12px 30px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: bold;
            font-size: 1.1rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 10px rgba(255, 107, 53, 0.3);
        }
        
        .btn-primary:hover {
            background-color: #e55a2b;
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(255, 107, 53, 0.4);
        }
        
        /* 热门套餐部分 */
        .section-title {
            text-align: center;
            margin-bottom: 40px;
            position: relative;
        }
        
        .section-title h2 {
            font-size: 2rem;
            color: var(--primary-color);
            display: inline-block;
            padding-bottom: 10px;
        }
        
        .section-title h2:after {
            content: '';
            position: absolute;
            width: 80px;
            height: 4px;
            background-color: var(--secondary-color);
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 2px;
        }
        
        .plans-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 25px;
            margin-bottom: 60px;
        }
        
        .plan-card {
            background: white;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            position: relative;
        }
        
        .plan-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 25px rgba(0, 0, 0, 0.12);
        }
        
        .plan-badge {
            position: absolute;
            top: 15px;
            right: -30px;
            background-color: var(--secondary-color);
            color: white;
            padding: 5px 35px;
            font-size: 0.85rem;
            font-weight: bold;
            transform: rotate(45deg);
        }
        
        .plan-header {
            background: linear-gradient(to right, #2a6bd6, #4a8af0);
            color: white;
            padding: 20px;
            text-align: center;
        }
        
        .plan-popular {
            background: linear-gradient(to right, #ff6b35, #ff8a50);
        }
        
        .plan-header h3 {
            font-size: 1.5rem;
            margin-bottom: 5px;
        }
        
        .plan-price {
            font-size: 2.5rem;
            font-weight: bold;
            margin: 10px 0;
        }
        
        .plan-price span {
            font-size: 1rem;
            font-weight: normal;
        }
        
        .plan-details {
            padding: 25px;
        }
        
        .plan-features {
            list-style: none;
            margin-bottom: 20px;
        }
        
        .plan-features li {
            padding: 8px 0;
            border-bottom: 1px solid #eee;
            display: flex;
            align-items: center;
        }
        
        .plan-features li:last-child {
            border-bottom: none;
        }
        
        .plan-features i {
            color: var(--primary-color);
            margin-right: 10px;
            width: 20px;
        }
        
        .plan-button {
            display: block;
            width: 100%;
            text-align: center;
            background-color: var(--primary-color);
            color: white;
            padding: 12px;
            border-radius: 6px;
            text-decoration: none;
            font-weight: bold;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        
        .plan-button:hover {
            background-color: #1a5bc0;
        }
        
        /* 办理流程部分 */
        .process-container {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            margin-bottom: 60px;
        }
        
        .process-step {
            flex: 1;
            min-width: 200px;
            text-align: center;
            padding: 20px;
            margin: 10px;
            position: relative;
        }
        
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 60px;
            height: 60px;
            background-color: var(--primary-color);
            color: white;
            border-radius: 50%;
            font-size: 1.8rem;
            font-weight: bold;
            margin-bottom: 20px;
        }
        
        .process-step h3 {
            font-size: 1.3rem;
            margin-bottom: 10px;
            color: var(--primary-color);
        }
        
        /* 覆盖区域部分 */
        .coverage-container {
            background: white;
            border-radius: var(--border-radius);
            padding: 30px;
            margin-bottom: 60px;
            box-shadow: var(--box-shadow);
        }
        
        .coverage-intro {
            margin-bottom: 30px;
        }
        
        .coverage-map {
            background: linear-gradient(to bottom, #e8f0fe, #d4e2fc);
            border-radius: var(--border-radius);
            height: 300px;
            position: relative;
            overflow: hidden;
            margin-bottom: 30px;
        }
        
        .coverage-point {
            position: absolute;
            width: 20px;
            height: 20px;
            background-color: var(--primary-color);
            border-radius: 50%;
            transform: translate(-50%, -50%);
        }
        
        .coverage-point:after {
            content: '';
            position: absolute;
            width: 100%;
            height: 100%;
            border: 2px solid var(--primary-color);
            border-radius: 50%;
            top: 0;
            left: 0;
            animation: pulse 2s infinite;
        }
        
        @keyframes pulse {
            0% { transform: scale(1); opacity: 1; }
            100% { transform: scale(3); opacity: 0; }
        }
        
        .point-1 { top: 30%; left: 20%; }
        .point-2 { top: 40%; left: 50%; }
        .point-3 { top: 60%; left: 30%; }
        .point-4 { top: 50%; left: 70%; }
        .point-5 { top: 70%; left: 60%; }
        
        .coverage-areas {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }
        
        .area-card {
            flex: 1;
            min-width: 200px;
            background-color: #f0f7ff;
            border-radius: var(--border-radius);
            padding: 20px;
            border-left: 4px solid var(--primary-color);
        }
        
        .area-card h4 {
            color: var(--primary-color);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
        }
        
        .area-card i {
            margin-right: 8px;
        }
        
        /* 教程部分 */
        .tutorial-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 25px;
            margin-bottom: 60px;
        }
        
        .tutorial-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 25px;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
        }
        
        .tutorial-card:hover {
            transform: translateY(-5px);
        }
        
        .tutorial-card h3 {
            color: var(--primary-color);
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }
        
        .tutorial-card h3 i {
            margin-right: 10px;
            background-color: #e8f0fe;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        
        .tutorial-steps {
            list-style-position: inside;
        }
        
        .tutorial-steps li {
            margin-bottom: 8px;
            padding-left: 5px;
        }
        
        /* 避坑技巧部分 */
        .tips-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 25px;
            margin-bottom: 60px;
        }
        
        .tip-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 25px;
            box-shadow: var(--box-shadow);
            border-top: 4px solid var(--warning-color);
        }
        
        .tip-card.warning {
            border-top-color: var(--danger-color);
        }
        
        .tip-card.success {
            border-top-color: var(--success-color);
        }
        
        .tip-card h3 {
            color: var(--dark-color);
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }
        
        .tip-card h3 i {
            margin-right: 10px;
        }
        
        /* 常见问题部分 */
        .faq-container {
            margin-bottom: 60px;
        }
        
        .faq-item {
            background: white;
            border-radius: var(--border-radius);
            margin-bottom: 15px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        }
        
        .faq-question {
            padding: 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 500;
            color: var(--primary-color);
        }
        
        .faq-question:hover {
            background-color: #f8f9fa;
        }
        
        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        
        .faq-answer.open {
            padding: 0 20px 20px;
            max-height: 500px;
        }
        
        .faq-toggle {
            transition: transform 0.3s ease;
        }
        
        .faq-toggle.open {
            transform: rotate(45deg);
        }
        
        /* 审核技巧部分 */
        .audit-tips {
            background: white;
            border-radius: var(--border-radius);
            padding: 30px;
            margin-bottom: 60px;
            box-shadow: var(--box-shadow);
        }
        
        .audit-tips h3 {
            color: var(--primary-color);
            margin-bottom: 20px;
            text-align: center;
        }
        
        .tip-list {
            list-style: none;
        }
        
        .tip-list li {
            padding: 10px 0;
            border-bottom: 1px dashed #eee;
            display: flex;
            align-items: flex-start;
        }
        
        .tip-list li:last-child {
            border-bottom: none;
        }
        
        .tip-list i {
            color: var(--success-color);
            margin-right: 10px;
            margin-top: 3px;
        }
        
        /* 申请表单部分 */
        .application-form {
            background: white;
            border-radius: var(--border-radius);
            padding: 30px;
            margin-bottom: 60px;
            box-shadow: var(--box-shadow);
        }
        
        .form-row {
            display: flex;
            flex-wrap: wrap;
            margin-bottom: 20px;
            gap: 20px;
        }
        
        .form-group {
            flex: 1;
            min-width: 250px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
        }
        
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: 6px;
            font-family: 'Noto Sans SC', sans-serif;
            font-size: 1rem;
            transition: var(--transition);
        }
        
        .form-control:focus {
            border-color: var(--primary-color);
            outline: none;
            box-shadow: 0 0 0 3px rgba(42, 107, 214, 0.1);
        }
        
        .form-note {
            font-size: 0.9rem;
            color: #666;
            margin-top: 5px;
        }
        
        /* 页脚部分 */
        .footer {
            background-color: #1a2332;
            color: #ddd;
            padding: 50px 0 20px;
        }
        
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            margin-bottom: 30px;
        }
        
        .footer-section {
            flex: 1;
            min-width: 250px;
            margin-bottom: 30px;
            padding-right: 20px;
        }
        
        .footer-section h3 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.3rem;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-section h3:after {
            content: '';
            position: absolute;
            width: 40px;
            height: 3px;
            background-color: var(--secondary-color);
            bottom: 0;
            left: 0;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: #bbb;
            text-decoration: none;
            transition: var(--transition);
        }
        
        .footer-links a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        
        .footer-contact p {
            margin-bottom: 10px;
            display: flex;
            align-items: center;
        }
        
        .footer-contact i {
            margin-right: 10px;
            color: var(--secondary-color);
            width: 20px;
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #2a3444;
            font-size: 0.9rem;
            color: #999;
        }
        
        /* 移动端适配 */
        @media (max-width: 992px) {
            .banner-content {
                flex-direction: column;
                text-align: center;
            }
            
            .banner-text {
                margin-bottom: 30px;
            }
            
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: white;
                box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
                z-index: 1000;
            }
            
            .main-nav.active {
                display: block;
            }
            
            .main-nav ul {
                flex-direction: column;
                padding: 20px;
            }
            
            .main-nav li {
                margin: 0 0 15px 0;
            }
            
            .main-nav a {
                display: block;
                padding: 10px 0;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .process-container {
                flex-direction: column;
            }
            
            .process-step {
                margin-bottom: 30px;
            }
        }
        
        @media (max-width: 768px) {
            .section-title h2 {
                font-size: 1.6rem;
            }
            
            .banner-text h2 {
                font-size: 1.8rem;
            }
            
            .plan-price {
                font-size: 2rem;
            }
            
            .top-bar-content {
                flex-direction: column;
                text-align: center;
            }
            
            .contact-info span {
                margin: 0 10px 5px 0;
            }
            
            .header-content {
                flex-direction: column;
                text-align: center;
            }
            
            .logo {
                margin-bottom: 15px;
            }
        }
        
        @media (max-width: 576px) {
            .plans-container,
            .tutorial-container,
            .tips-container {
                grid-template-columns: 1fr;
            }
            
            .banner {
                padding: 40px 0;
            }
            
            .coverage-areas {
                flex-direction: column;
            }
            
            .form-row {
                flex-direction: column;
            }
        }