body {
            font-family: Arial, sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            margin: 0;
        }

        .container {
            width: 100%;
            max-width: 500px;
            display: grid;
            grid-template-columns: 1fr;
            /* 单列布局 */
            grid-gap: 10px;
            padding: 10px;
            background-color: #f8e0ff;
            /* 浅紫色背景 */
        }

        .item-sx {
            padding: 10px;
            background-color: #ffffff;
            border-radius: 20px;
        }

        .item {
            padding: 0px 10px 10px 10px;
            background-color: #ffffff;
            border-radius: 20px;
        }


        .zming {
            text-align: center;
            height: 40px;
            line-height: 40px;
            background-image: url('https://4949img.com/img/tu/dbt.png');
            /* 替换为你的图片URL */
            background-size: 50% 40px;
            /* 设置背景图片的宽度和高度 */
            background-repeat: no-repeat;
            /* 防止图片重复 */
            background-position: center;
            /* 使背景图片居中 */
            margin-bottom: 10px;
            font-weight: bold;
            /* 字体加粗 */
            font-size: 18px;
            /* 字体大小 */
            color: #ffffff;
            /* 字体颜色 */
        }

        .header,
        .footer {
            text-align: center;
        }
        .content {
            display: block;
            margin-top: 10px;
        }
        .hidden {
            display: none;
        }
        nav {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
        }
        nav li {
            background-color: #ffffff;
            border-radius: 20px;
            list-style-type: none; /* 移除默认的列表样式 */
            margin-bottom: 5px;
            flex: 0 0 23%; /* 每个li占据23%的宽度，确保每行显示4个 */
        }
        nav li:nth-child(4n) {
            margin-right: 0; /* 移除每行最后一个元素的右边距 */
        }
        nav a {
            cursor: pointer;
            text-decoration: none;
            color: #7345c7;
            font-weight: bold;
            display: block; /* 确保链接块级显示 */
            text-align: center; /* 使文字居中 */
            padding: 5px 0; /* 添加一些内边距 */
        }
        nav a:hover,
        nav a.active {
            border-radius: 20px;
        background-color: #7345c7;
        color: white;
    }


        .domain-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 5px;
            padding: 10px;
            background-color: #ffffff;
            border: 1px solid #ddd;
            border-radius: 5px;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }

        .domain-item a {
            text-decoration: none;
            /* 去掉下划线 */
            color: #7345c7;
            /* 设置域名颜色 */
        }

        .copy-btn {
            padding: 5px 10px;
            background-color: #7345c7;
            color: white;
            border: none;
            cursor: pointer;
            border-radius: 3px;
        }

        .copy-btn:hover {
            background-color: #6c39c8;
        }

        /* 提示框样式 */
        .toast {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background-color: #4CAF50;
            color: white;
            padding: 10px 20px;
            border-radius: 5px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
            z-index: 1000;
            opacity: 0;
            transition: opacity 0.3s ease-in-out;
        }

        .toast.show {
            opacity: 1;
        }