body {
            font-family: 'Arial', sans-serif;
            background-color: #f4f4f4;
            margin: 0;
            padding: 20px;
        }

        .form-container {
            max-width: 500px;
            margin: 0 auto;
            background: #fff;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
        }

        label {
            display: block;
            margin-bottom: 5px;
            color: #666;
        }

        input[type="text"],
        input[type="password"] {
            width: 100%;
            padding: 10px;
            margin-bottom: 20px;
            box-sizing: border-box;
            border: 1px solid #ccc;
            border-radius: 4px;
        }

        input[type="submit"] {
            background-color: #007bff;
            color: white;
            padding: 10px 15px;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            width: 100%;
        }

        input[type="submit"]:hover {
            background-color: #0056b3;
        }

        .result-container {
            margin-top: 20px;
            padding: 15px;
            border-radius: 4px;
            background-color: #f5f5f5;
            color: #333;
            border: 1px solid #ccc;
            white-space: normal;
            word-wrap: break-word;
        }

        .result-container.success {
            background-color: #dff0d8;
            border-color: #d0e9c6;
            color: #3c763d;
        }

        .result-container.error {
            background-color: #f2dede;
            border-color: #ebccd1;
            color: #a94442;
        }

        .loading-animation {
            display: none;
            margin-top: 20px;
            text-align: center;
        }

        /* Loading spinner animation */
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .loading-animation::after {
            content: '';
            border: 5px solid #f3f3f3;
            border-radius: 50%;
            border-top: 5px solid #3498db;
            width: 50px;
            height: 50px;
            animation: spin 1s linear infinite;
        }
        .overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5); /* 半透明黑色 */
            z-index: 1000; /* 确保遮罩层在最上面 */
        }

        /* 禁用状态的提交按钮样式 */
        .submit-button-disabled {
            background-color: #cccccc; /* 禁用时的背景颜色 */
            color: #999999; /* 禁用时的文字颜色 */
            cursor: not-allowed; /* 鼠标悬停时显示不允许操作的光标 */
            opacity: 0.5; /* 降低按钮的透明度，表示禁用状态 */
        }
        .image-container {
            position: relative;
            display: inline-block;
        }

        .hover-image {
            display: none;
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%);
            border: 1px solid #ddd;
            padding: 5px;
            background-color: white;
            z-index: 10;
        }

        .image-container:hover .hover-image {
            display: block;
        }
        img {
            width: 100%; /* 设置图片宽度为200像素 */
            height: auto; /* 自动计算高度，保持图片比例 */
        }
        .logo {
            width: auto; /* 保持图片原始比例 */
            height: auto;
            max-width: 100px; /* 设置最大宽度限制 */
            margin: 20px auto; /* 上下边距为20px，自动左右边距使其居中 */
            display: block; /* 使img元素作为块级元素显示，允许自动边距居中 */
        }
        h1 {
            text-align: center;
    /* 其他样式 */
        }
        .glow-link {
            font-size: 16px;
            font-weight: bold;
            color: white;
            background-color: black;
            cursor: pointer;
            padding: 10px 20px;
            border-radius: 5px;
            text-decoration: none;
            transition: box-shadow 0.3s ease-in-out;
        }
        .glow-link:hover {
            box-shadow: 0 0 10px rgba(255, 255, 255, 0.7),
                     0 0 20px rgba(255, 255, 255, 0.5),
                     0 0 30px rgba(255, 255, 255, 0.3),
                     0 0 40px rgba(255, 255, 255, 0.2),
                     0 0 70px rgba(255, 255, 255, 0.1),
                     0 0 80px rgba(255, 255, 255, 0.1);
        }