* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
        }
        
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        
        /* 顶部导航栏样式 */
        .top-nav {
            background-color: #fff;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            padding: 12px 0;
            width: 100%;
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        
        .logo-icon {
            width: 36px;
            height: 36px;
            /* background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%); */
            background: linear-gradient(135deg, #da5521 0%, #f75454 100%);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 18px;
            flex-shrink: 0;
        }
        
        .logo-text {
            font-size: 1.1rem;
            font-weight: 600;
            color: #333;
            white-space: nowrap;
            transform: scale(1.3);
            margin-left: 5px;
            letter-spacing: 0.5px;
        }
        .logo-text a {
            font-size: 1.1rem;
            font-weight: 600;
            color: #333;
            text-decoration:none;
        }
        
        .nav-title {
            font-size: 1.25rem;
            font-weight: 600;
            color: #333;
            white-space: nowrap;
        }
        
        /* 查询按钮区域 - 红色背景 */
        .query-banner {
            /* background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%); */
            background: url('/static/images/intro-bg.png') center bottom no-repeat;
            background-size: cover;
            color: white;
            padding: 40px 0;
            text-align: center;
            width: 100%;
            height: 400px;
            margin: 0 0 30px;
        }
        
        .banner-content {
            max-width: 1200px;
            margin: 80px auto;
            padding: 0 20px;
            /* background-color: blue; */
            text-align: left;
        }
        
        .banner-title {
            font-size: 3.5rem;
            margin-bottom: 20px;
            font-weight: 600;
            line-height: 1.3;
        }
        
        .query-btn-large {
            background-color: white;
            color: #e74c3c;
            border: none;
            padding: 14px 40px;
            font-size: 1.2rem;
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
            margin: 15px 0;
            font-weight: 600;
            letter-spacing: 0.5px;
            display: inline-block;
            white-space: nowrap;
        }
        
        .query-btn-large:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.25);
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        main {
            flex: 1;
            padding: 0 0 30px;
        }
        
        /* 查询区域样式 */
        .query-section {
            background-color: white;
            border-radius: 8px;
            padding: 30px 20px;
            box-shadow: 0 3px 10px 2px rgba(0, 0, 0, 0.1);
            margin-bottom: 30px;
            position: relative;
            overflow: hidden;
        }
        
        /* .query-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(135deg, #706d70 0%, #656566 100%);
        } */
        
        .query-title {
            font-size: 1.5rem;
            color: #333;
            margin-bottom: 15px;
            font-weight: 600;
            text-align: center;
        }
        
        .query-subtitle {
            color: #666;
            margin-bottom: 20px;
            font-size: 1rem;
            text-align: center;
        }
        
        .query-scenarios {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 25px;
        }
        
        .scenario-tag {
            background: #f0f5ff;
            color: #f12121;
            padding: 6px 12px;
            border-radius: 16px;
            font-size: 1.2rem;
            border: 1px solid #d6e4ff;
            white-space: nowrap;
        }
        
        .query-description {
            color: #666;
            margin-top: 15px;
            font-size: 0.92rem;
            line-height: 1.7;
            max-width: 960px;
            /* background-color: red; */
            margin-left: auto;
            margin-right: auto;
            text-align: justify;
            padding-bottom: 30px;
        }
        
        .features-section {
            margin-top: 40px !important;
        }
        
        .section-title {
            text-align: center;
            font-size: 2rem;
            margin-bottom: 25px;
            color: #333;
            position: relative;
        }
        
        .section-title:after {
            content: '';
            display: block;
            width: 50px;
            height: 3px;
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            margin: 10px auto;
            border-radius: 2px;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
            margin-top: 15px;
        }
        
        .feature-card {
            background-color: white;
            border-radius: 8px;
            padding: 20px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s ease;
            text-align: center;
        }
        
        .feature-card:hover {
            transform: translateY(-3px);
        }
        
        .feature-icon {
            font-size: 2.2rem;
            margin-bottom: 12px;
            color: #cb1111;
            transform: scale(1.2);
        }
        
        .feature-title {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: #333;
            font-weight: 600;
        }
        
        .feature-desc {
            color: #666;
            font-size: 0.9rem;
            line-height: 1.5;
        }
        
        .disclaimer {
            background-color: #fff9e6;
            border-left: 4px solid #ffc107;
            padding: 18px;
            border-radius: 5px;
            margin-top: 30px;
            font-size: 0.85rem;
            color: #856404;
        }
        
        /* 通栏页脚样式 */
        footer {
            background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
            color: #ecf0f1;
            text-align: center;
            padding: 25px 0;
            width: 100%;
            margin-top: auto;
        }
        
        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .footer-notice {
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 12px;
            color: #bdc3c7;
        }
        
        .copyright {
            font-size: 0.85rem;
            color: #95a5a6;
        }
        
        /* 移动端优化 */
        @media (max-width: 768px) {
            /* banner样式居中 */
            .banner-content{
                padding-top: 30px;
                width: 80%;
                max-width: 720px;
                /* background: blue; */
                margin:0 auto;
                text-align: center;
            }
            .banner-content .banner-title{
                font-size: 250%;
            }
            .banner-content .query-btn-large{
                font-size: 150%;
            }


            .top-nav {
                padding: 10px 0;
            }
            
            .nav-container {
                padding: 0 15px;
                flex-wrap: nowrap;
            }
            
            .logo-text {
                font-size: 1rem;
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
                max-width: 150px;
            }
            .logo-icon{
                font-size: 1rem !important;
            }
            
            .nav-title {
                overflow: hidden;
                /* text-overflow: ellipsis; */
                white-space: nowrap;
                max-width: 250px !important;
                margin-right: 20px;
                padding-bottom: 3px;
                font-size: 1.18rem;
            }
            
            .query-banner {
                padding: 30px 0;
            }
            
            .banner-title {
                font-size: 1.5rem;
                margin-bottom: 15px;
            }
            
            .query-btn-large {
                padding: 12px 30px;
                font-size: 1.1rem;
            }
            
            .query-section {
                padding: 25px 15px;
                margin-bottom: 25px;
            }
            
            .query-title {
                font-size: 1.3rem;
            }
            
            .query-scenarios {
                gap: 8px;
                margin-bottom: 20px;
            }
            
            .scenario-tag {
                font-size: 0.8rem;
                padding: 5px 10px;
            }
            
            .section-title {
                font-size: 2rem;
                margin-bottom: 25px;
            }
            
            .features-grid {
                grid-template-columns: 1fr;
                gap: 15px;
                margin-top: 5px;
            }
            
            .feature-card {
                padding: 18px;
            }
            
            .feature-icon {
                font-size: 2rem;
            }
            
            .feature-title {
                font-size: 1rem;
            }
            
            .disclaimer {
                padding: 15px;
                margin-top: 25px;
            }
            
            footer {
                padding: 20px 0;
            }
            
            .footer-notice {
                font-size: 0.85rem;
            }
        }
        
        @media (max-width: 480px) {
            .nav-container {
                padding: 0 10px;
            }
            
            .logo-text {
                max-width: 120px;
                font-size: 0.95rem;
            }
            .logo-icon{
                font-size: 1rem !important;
            }
            
            .nav-title {
                max-width: 150px !important;
                font-size: 1.18rem !important;
                padding-bottom: 3px;
            }
            
            .banner-title {
                font-size: 1.3rem;
            }
            
            .query-btn-large {
                padding: 10px 25px;
                font-size: 1rem;
            }
            
            .query-section {
                padding: 20px 12px;
            }
            
            .query-title {
                font-size: 1.2rem;
            }
            
            .query-scenarios {
                justify-content: flex-start;
                overflow-x: auto;
                padding-bottom: 5px;
                margin-bottom: 15px;
                -webkit-overflow-scrolling: touch;
            }
            
            .scenario-tag {
                flex-shrink: 0;
            }
            
            .section-title {
                font-size: 2rem;
                margin-bottom: 25px;
            }
            
            .feature-card {
                padding: 15px;
                margin-bottom: 25px;
            }
        }
        
        @media (max-width: 360px) {
            .logo-text {
                max-width: 100px;
                font-size: 1rem;
            }
            .logo-icon{
                font-size: 1rem !important;
            }
            
            .nav-title {
                max-width: 120px;
                font-size: 1.18rem;
                padding-bottom: 3px;
            }
            
            .banner-title {
                font-size: 1.2rem;
            }
            
            .query-btn-large {
                padding: 8px 20px;
                font-size: 0.95rem;
            }
            .query-banner {
            height: 250px;
        }
        }