 /* 优化后的dubai CSS - 精简版 */
        /* 全局样式重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        /* CSS变量定义 - 迪拜主题配色 */
        :root {
            --primary-gold: #D4AF37;      /* 黄金签证主题色 */
            --dark-gold: #B8860B;         /* 深蓝色黄金 */
            --dubai-blue: #0D1B3E;        /* 迪拜夜空蓝 */
            --light-blue: #E6F0FF;        /* 浅蓝背景 */
            --text-dark: #1A1A1A;         /* 主文本色 */
            --text-gray: #5A5A5A;         /* 辅助文本色 */
            --white: #FFFFFF;
            --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --hover-shadow: 0 6px 16px rgba(212, 175, 55, 0.2);
            --gradient-bg: linear-gradient(135deg, #0D1B3E 0%, #1E3A8A 100%);
            --border-gold: 2px solid var(--primary-gold);
        }

        /* 基础样式 */
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            background-color: #F8F9FA;
            background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="none" stroke="%23D4AF3710" stroke-width="0.5" stroke-dasharray="5,5"/></svg>');
            overflow-x: hidden; /* 防止水平滚动条 */
        }

        /* 导航栏样式 - 固定顶部 */
        .navbar {
            position: fixed;
            top: 0;
            width: 100%;
            background: var(--gradient-bg);
            padding: 1rem 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: bold;
            color: var(--primary-gold);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 1rem;
        }

        .nav-menu a {
            color: var(--white);
            text-decoration: none;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s ease;
            position: relative;
        }

        .nav-menu a:hover {
            color: var(--primary-gold);
            background: rgba(212, 175, 55, 0.1);
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--primary-gold);
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }

        .nav-menu a:hover::after {
            width: 70%;
        }

        /* 汉堡菜单（移动端） */
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            z-index: 1002; /* 确保在移动菜单上方 */
        }

        .hamburger span {
            width: 25px;
            height: 3px;
            background: var(--primary-gold);
            margin: 3px 0;
            transition: 0.3s;
        }

        /* 主内容区域 */
        .main-container {
            max-width: 1200px;
            margin: 5rem auto 2rem;
            padding: 2rem;
        }

        /* 页面标题区域 */
        .hero-section {
            background: var(--gradient-bg);
            color: var(--white);
            padding: 4rem 2rem;
            text-align: center;
            border-radius: 16px;
            margin-bottom: 3rem;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M20,20 Q50,0 80,20 T100,50 T80,80 T50,100 T20,80 T0,50 T20,20 Z" fill="none" stroke="%23D4AF37" stroke-width="0.3" opacity="0.2"/></svg>');
            background-size: 150px;
            opacity: 0.1;
        }

        .hero-title {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            font-weight: 700;
            position: relative;
            z-index: 1;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }

        .hero-subtitle {
            font-size: 1.2rem;
            opacity: 0.9;
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
            font-weight: 300;
        }

        /* 进度条 - 显示阅读进度 */
        .progress-bar {
            position: fixed;
            top: 0;
            left: 0;
            width: 0%;
            height: 4px;
            background: var(--primary-gold);
            z-index: 1001;
            transition: width 0.3s ease;
        }

        /* 内容卡片 - 玻璃拟态效果 */
        .content-card {
            background: rgba(255, 255, 255, 0.85);
            border-radius: 16px;
            padding: 2.5rem;
            margin-bottom: 2.5rem;
            box-shadow: var(--card-shadow);
            transition: all 0.4s ease;
            border: 1px solid rgba(212, 175, 55, 0.15);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            position: relative;
            overflow: hidden;
        }

        .content-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-gold), var(--dark-gold));
            border-radius: 16px 16px 0 0;
        }

        .content-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--hover-shadow);
            border-color: rgba(212, 175, 55, 0.3);
        }

        .card-header {
            display: flex;
            align-items: center;
            margin-bottom: 1.5rem;
            padding-bottom: 1rem;
            border-bottom: 2px solid var(--light-blue);
        }

        .card-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--primary-gold), var(--dark-gold));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 1.5rem;
            color: var(--white);
            font-size: 1.8rem;
            box-shadow: 0 4px 8px rgba(212, 175, 55, 0.3);
            transition: transform 0.3s ease;
        }

        .content-card:hover .card-icon {
            transform: rotate(10deg) scale(1.05);
        }

        .card-title {
            font-size: 1.8rem;
            color: var(--dubai-blue);
            font-weight: 600;
        }

        /* 政策要点网格 */
        .policy-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
            margin: 1.5rem 0;
        }

        .policy-item {
            background: rgba(255, 255, 255, 0.7);
            padding: 1.8rem 1.5rem;
            border-radius: 12px;
            border-left: 5px solid var(--primary-gold);
            transition: all 0.3s ease;
            box-shadow: 0 3px 8px rgba(0,0,0,0.05);
        }

        .policy-item:hover {
            background: rgba(255, 255, 255, 0.9);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .policy-item h4 {
            color: var(--dubai-blue);
            margin-bottom: 0.8rem;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .policy-item h4::before {
            content: '✓';
            color: var(--primary-gold);
            font-weight: bold;
            font-size: 1.3rem;
        }

        /* 流程步骤样式 - 垂直时间线 */
        .process-timeline {
            position: relative;
            padding-left: 3rem;
        }

        .process-timeline::before {
            content: '';
            position: absolute;
            left: 1rem;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(to bottom, var(--primary-gold), var(--dark-gold));
            border-radius: 3px;
        }

        .process-step {
            position: relative;
            margin-bottom: 3rem;
            padding-left: 2.5rem;
        }

        .process-step::before {
            content: attr(data-step);
            position: absolute;
            left: -2.8rem;
            top: 0;
            width: 2.8rem;
            height: 2.8rem;
            background: linear-gradient(135deg, var(--primary-gold), var(--dark-gold));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-weight: bold;
            font-size: 1.2rem;
            box-shadow: 0 3px 6px rgba(212, 175, 55, 0.3);
            z-index: 2;
            transition: all 0.3s ease;
        }

        .process-step:hover::before {
            transform: scale(1.1);
            box-shadow: 0 4px 10px rgba(212, 175, 55, 0.5);
        }

        .step-content {
            background: rgba(255, 255, 255, 0.7);
            padding: 1.8rem;
            border-radius: 12px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        .process-step:hover .step-content {
            background: rgba(255, 255, 255, 0.9);
            box-shadow: 0 6px 15px rgba(0,0,0,0.1);
        }

        .step-title {
            font-size: 1.3rem;
            color: var(--dubai-blue);
            margin-bottom: 1.2rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        .step-content ul {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }

        .step-content li {
            margin: 0.8rem 0;
            position: relative;
            padding-left: 1.5rem;
        }

        .step-content li::before {
            content: '•';
            color: var(--primary-gold);
            font-size: 1.5rem;
            position: absolute;
            left: 0;
            top: -0.3rem;
        }

        /* 费用表格样式 */
        .cost-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            margin: 1.5rem 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0,0,0,0.08);
        }

        .cost-table th,
        .cost-table td {
            padding: 1.2rem;
            text-align: left;
            border-bottom: 1px solid #eee;
        }

        .cost-table th {
            background: var(--gradient-bg);
            color: var(--white);
            font-weight: 600;
            font-size: 1.1rem;
        }

        .cost-table tr:nth-child(even) {
            background: rgba(230, 240, 255, 0.4);
        }

        .cost-table tr:hover {
            background: rgba(212, 175, 55, 0.08);
        }

        .cost-table .total-row {
            background: linear-gradient(to right, rgba(212, 175, 55, 0.15), rgba(212, 175, 55, 0.05));
            font-weight: bold;
            color: var(--dubai-blue);
            border-top: 2px solid var(--primary-gold);
        }

        .cost-table .total-row td {
            border-bottom: none;
        }

        /* 重要提示框 - 黄金边框 */
        .alert-box {
            background: rgba(255, 250, 230, 0.7);
            border: var(--border-gold);
            border-radius: 12px;
            padding: 1.8rem;
            margin: 1.5rem 0;
            position: relative;
            backdrop-filter: blur(5px);
            -webkit-backdrop-filter: blur(5px);
            box-shadow: 0 4px 10px rgba(212, 175, 55, 0.1);
        }

        .alert-box::before {
            position: absolute;
            left: 1.5rem;
            top: 1.2rem;
            font-size: 1.8rem;
            width: 40px; /* 添加固定宽度 */
            height: 40px; /* 添加固定高度 */
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .alert-box .alert-content {
            padding-left: 3.5rem;
        }

        .alert-box h4 {
            color: var(--dubai-blue);
            margin-bottom: 0.8rem;
            font-size: 1.2rem;
            padding-left: 0; /* 确保标题没有额外左边距 */
        }

        /* 优势列表样式 */
        .benefits-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 1.5rem 0;
        }

        .benefit-item {
            background: rgba(255, 255, 255, 0.7);
            padding: 1.8rem 1.5rem;
            border-radius: 12px;
            text-align: center;
            transition: all 0.3s ease;
            border: 1px solid rgba(212, 175, 55, 0.1);
            box-shadow: 0 4px 8px rgba(0,0,0,0.05);
        }

        .benefit-item:hover {
            background: rgba(255, 255, 255, 0.9);
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            border-color: rgba(212, 175, 55, 0.3);
        }

        .benefit-icon {
            font-size: 2.5rem;
            margin-bottom: 1.2rem;
            color: var(--primary-gold);
            transition: transform 0.3s ease;
        }

        .benefit-item:hover .benefit-icon {
            transform: scale(1.1);
        }

        .benefit-item h4 {
            color: var(--dubai-blue);
            margin-bottom: 0.8rem;
            font-size: 1.2rem;
        }

        /* 侧边栏样式 - 玻璃拟态 */
        .sidebar {
            position: sticky;
            top: 100px;
            height: fit-content;
        }

        .sidebar-card {
            background: rgba(255, 255, 255, 0.85);
            border-radius: 16px;
            padding: 1.8rem;
            margin-bottom: 1.5rem;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(212, 175, 55, 0.15);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            transition: all 0.4s ease;
        }

        .sidebar-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--hover-shadow);
        }

        .sidebar-card h3 {
            color: var(--dubai-blue);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 0.8rem;
            border-bottom: 2px solid var(--primary-gold);
            padding-bottom: 0.8rem;
        }

        .quick-links {
            list-style: none;
        }

        .quick-links li {
            margin: 0.8rem 0;
        }

        .quick-links a {
            color: var(--text-gray);
            text-decoration: none;
            display: flex;
            align-items: center;
            padding: 0.8rem;
            border-radius: 8px;
            transition: all 0.3s ease;
            background: rgba(255, 255, 255, 0.5);
            border-left: 3px solid transparent;
        }

        .quick-links a:hover {
            background: rgba(212, 175, 55, 0.1);
            color: var(--dubai-blue);
            transform: translateX(5px);
            border-left: 3px solid var(--primary-gold);
        }

        .quick-links a::before {
            content: '→';
            margin-right: 0.8rem;
            color: var(--primary-gold);
            font-weight: bold;
            transition: transform 0.3s ease;
        }

        .quick-links a:hover::before {
            transform: translateX(3px);
        }

        /* 响应式布局 */
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }

        /* 移动端菜单 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--gradient-bg);
            padding: 5rem 1.5rem 1.5rem;
            z-index: 999;
            transform: translateX(-100%);
            transition: transform 0.4s ease;
            overflow-y: auto;
        }

        .mobile-menu.active {
            transform: translateX(0);
            display: block;
        }

        .mobile-menu ul {
            list-style: none;
        }

        .mobile-menu li {
            margin: 0.8rem 0;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        .mobile-menu a {
            color: var(--white);
            text-decoration: none;
            display: block;
            padding: 0.8rem 0;
            font-size: 1.1rem;
        }

        .mobile-menu a:hover {
            color: var(--primary-gold);
        }

        /* 页脚样式 */
        .footer {
            background: var(--gradient-bg);
            color: var(--white);
            padding: 1.5rem 0;
            margin-top: 4rem;
            position: relative;
        }

        .footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-gold), var(--dark-gold));
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .footer-bottom {
            text-align: center;
            padding: 1rem;
            opacity: 0.8;
            font-size: 0.9rem;
        }

        /* 返回顶部按钮 - 黄金色 */
        .back-to-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: linear-gradient(135deg, var(--primary-gold), var(--dark-gold));
            color: var(--white);
            width: 55px;
            height: 55px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0;
            transition: all 0.4s ease;
            z-index: 999;
            font-size: 1.5rem;
            box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
            border: none;
        }

        .back-to-top.visible {
            opacity: 1;
        }

        .back-to-top:hover {
            transform: translateY(-5px) scale(1.05);
            box-shadow: 0 6px 16px rgba(212, 175, 55, 0.5);
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .hero-title {
                font-size: 2rem;
            }

            .content-wrapper {
                grid-template-columns: 1fr;
            }

            .sidebar {
                position: static;
            }

            .process-timeline {
                padding-left: 2rem;
            }

            .process-step::before {
                left: -2.2rem;
                width: 2.2rem;
                height: 2.2rem;
            }

            .policy-grid {
                grid-template-columns: 1fr;
            }

            .benefits-list {
                grid-template-columns: 1fr;
            }

            .cost-table {
                font-size: 0.9rem;
            }

            .cost-table th,
            .cost-table td {
                padding: 0.8rem;
            }

            .footer-content {
                text-align: center;
            }
            
            /* 移动端确保内容不溢出 */
            .main-container {
                padding: 1rem;
                width: 100%;
                overflow-x: hidden;
            }
            
            .content-card {
                padding: 1.5rem;
                margin-bottom: 1.5rem;
            }
            
            .hero-section {
                padding: 3rem 1rem;
                margin-bottom: 2rem;
            }
        }

        /* 打印样式 */
        @media print {
            .navbar, .sidebar, .back-to-top, .progress-bar {
                display: none;
            }

            .main-container {
                margin-top: 0;
            }

            .content-card {
                page-break-inside: avoid;
                box-shadow: none;
                border: 1px solid #ddd;
            }

            .hero-section {
                background: none !important;
                color: var(--text-dark) !important;
                border: 2px solid var(--primary-gold);
            }

            .cost-table tr {
                page-break-inside: avoid;
            }
        }

        /* 动画效果 */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .content-card {
            animation: fadeIn 0.6s ease forwards;
        }

        .content-card:nth-child(1) { animation-delay: 0.1s; }
        .content-card:nth-child(2) { animation-delay: 0.2s; }
        .content-card:nth-child(3) { animation-delay: 0.3s; }
        .content-card:nth-child(4) { animation-delay: 0.4s; }
        .content-card:nth-child(5) { animation-delay: 0.5s; }
        .content-card:nth-child(6) { animation-delay: 0.6s; }
        .content-card:nth-child(7) { animation-delay: 0.7s; }
        .content-card:nth-child(8) { animation-delay: 0.8s; }

        /* 加载动画 */
        .loading-spinner {
            display: none;
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 2000;
        }

        .loading-spinner .spinner {
            width: 60px;
            height: 60px;
            border: 5px solid rgba(212, 175, 55, 0.2);
            border-top: 5px solid var(--primary-gold);
            border-radius: 50%;
            animation: spin 1s linear infinite;
            box-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        /* 交互式费用计算器 - 玻璃拟态效果 */
        .cost-calculator {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(212, 175, 55, 0.2);
            border-radius: 16px;
            padding: 2.2rem;
            margin: 1.5rem 0;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            transition: all 0.4s ease;
        }

        .cost-calculator:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
        }

        .calculator-input {
            display: flex;
            gap: 1.5rem;
            margin-bottom: 1.5rem;
            flex-wrap: wrap;
        }

        .calculator-input label {
            flex: 1;
            min-width: 200px;
            display: flex;
            flex-direction: column;
            font-weight: 600;
            color: var(--dubai-blue);
            gap: 0.5rem;
        }

        .calculator-input input {
            padding: 0.8rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .calculator-input input:focus {
            border-color: var(--primary-gold);
            outline: none;
            box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
        }

        .calculate-btn {
            background: linear-gradient(135deg, var(--primary-gold), var(--dark-gold));
            color: var(--white);
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
        }

        .calculate-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 16px rgba(212, 175, 55, 0.5);
        }

        .calculate-btn:active {
            transform: translateY(1px);
        }

        .calculator-result {
            background: rgba(230, 240, 255, 0.5);
            padding: 1.5rem;
            border-radius: 12px;
            margin-top: 1.5rem;
            display: none;
            border-left: 4px solid var(--primary-gold);
        }

        .calculator-result.show {
            display: block;
            animation: fadeIn 0.5s ease;
        }

        /* 时间线交互样式 */
        .timeline-item {
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .timeline-item:hover {
            background: rgba(212, 175, 55, 0.05);
            border-radius: 8px;
            padding-left: 10px;
        }

        .timeline-details {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .timeline-details.expanded {
            max-height: 500px;
            padding-top: 1rem;
        }
