body, html {
            height: 100%;
            margin: 0;
            font-family: Arial, sans-serif;
            background: url('https://notecdn.yiban.io/cloud_res/270927927/imgs/21-6-6_02:25:57.142_3838.jpeg') no-repeat center center fixed;
            background-size: cover;
        }
        .glass-effect {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            padding: 5%;
            background-color: rgba(255, 255, 255, 0.2); /* 半透明背景 */
            backdrop-filter: blur(10px); /* 创建毛玻璃效果 */
            border-radius: 10px;
            color: #fff;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            max-width: 500px;
            text-align: center;
            width: 80%;
        }
        .link-xx {
            margin: 15px 0;
            padding: 15px;
            background: linear-gradient(45deg, #1E90FF, #0000FF); /* 蓝色渐变渐变背景 */
            color: #fff;
            text-decoration: none;
            border-radius: 5px;
            display: block;
            font-weight: bold;
            letter-spacing: 1px;
            transition: transform 0.3s, box-shadow 0.3s;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
        }
         h3 {
            font-size: 2.2em;
            margin-bottom: 20px;
            color: #FFFFFF; /* 使用白色 */
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 1.0), 0 0 10px rgba(30,144,255, 0.0); /* 加强的阴影效果 */
        }
         .foottitle {
            font-size: 1.0em;
            margin-bottom: 20px;
            color: #FFFFFF;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 1.0); /* 加强的阴影效果 */
        }