body {
            font-family: 'Segoe UI', sans-serif;
            margin: 0;
            padding: 20px;
		    background-image: url(/images/login-bg.jpg);
            background-size: cover;
			background-position: center;
			background-repeat: no-repeat;
			min-height: 100vh;
        }
        .login-container {
            max-width: 400px;
            margin: 50px auto;
            background: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .login-container h2 {
            margin-top: 0;
            color: #333;
            text-align: center;
        }
        .form-group {
            margin-bottom: 20px;
            position: relative; /* 新增：用于定位密码切换按钮 */
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: #666;
        }
        .form-group input {
            width: 100%;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 16px;
        }
        /* 新增：密码切换按钮样式 */
        .toggle-password {
            position: absolute;
            right: -14px;
            top: 74%;
            transform: translateY(-50%);
            background: none;
            border: none;
            cursor: pointer;
            color: #666;
            padding: 5px;
        }
        .toggle-password:hover {
            color: #3498db;
        }
        .login-btn {
            width: 100%;
            padding: 12px;
            background-color: #3498db;
            color: white;
            border: none;
            border-radius: 4px;
            font-size: 16px;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        .login-btn:hover {
            background-color: #2980b9;
        }
        .error {
            color: #e74c3c;
            background-color: #fadbd8;
            padding: 10px;
            border-radius: 4px;
            margin-bottom: 20px;
            text-align: center;
        }