<style>
        /* 重置样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

        /* 基础字体设置 */
        body {
            background: linear-gradient(125deg, #7F7FD5, #86A8E7, #91EAE4);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        /* 超限提示容器 */
        .lockout-container {
            background-color: rgba(255, 0, 0, 0.7); /* 半透明红色背景 */
            border: 2px solid rgba(255, 255, 255, 0.8); /* 白色边框 */
            border-radius: 15px;
            padding: 30px;
            margin: 20px auto;
            text-align: center;
            max-width: 400px;
            box-shadow: 0 10px 20px rgba(255, 0, 0, 0.5);
            animation: fade-in 1s ease;
        }

        /* 超限提示文字 */
        .lockout-message {
            font-size: 22px;
            font-weight: bold;
            color: #fff;
            text-shadow: 0 0 10px rgba(255, 255, 255, 0.8), 0 0 20px rgba(255, 0, 0, 0.8);
            margin-bottom: 10px;
        }

        /* 重试时间提示 */
        .retry-time {
            font-size: 18px;
            color: #fff;
            text-shadow: 0 0 5px rgba(255, 255, 255, 0.6);
        }

        .retry-time span {
            color: #ffec3d; /* 明黄色 */
            font-weight: bold;
            text-shadow: 0 0 5px #fff, 0 0 15px #ffec3d;
        }

        /* 动画效果 */
        @keyframes fade-in {
            0% {
                opacity: 0;
                transform: scale(0.8);
            }
            100% {
                opacity: 1;
                transform: scale(1);
            }
        }

        /* 登录容器 */
        .login-container {
            background: rgba(255, 255, 255, 0.98);
            padding: 30px 25px;
            border-radius: 20px;
            width: 85%;
            max-width: 360px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
        }

        .login-container h2 {
            color: #222;
            font-size: 28px;
            font-weight: 600;
            margin-bottom: 30px;
            text-align: center;
            letter-spacing: 0.5px;
        }

        /* 表单样式 */
        .form-group {
            margin-bottom: 24px;
            position: relative;
        }

        .form-group label {
            display: block;
            color: #333;
            font-size: 16px;
            margin-bottom: 10px;
            font-weight: 500;
            letter-spacing: 0.3px;
        }

        .form-group input {
            width: 90%;
            padding: 15px 16px;
            background: #F8F9FA;
            border: 1px solid #E8E8E8;
            border-radius: 12px;
            font-size: 16px;
            color: #333;
            transition: all 0.3s ease;
            box-shadow: inset 0 1px 2px rgba(0,0,0,0.05);
        }

        .form-group input:focus {
            background: #fff;
            border-color: #4A90E2;
            outline: none;
            box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.15);
        }

        /* 提交按钮 */
        .submit-btn {
            width: 100%;
            padding: 16px;
            margin-top: 15px;
            background: #4A90E2;
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 17px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            letter-spacing: 0.5px;
        }

        .submit-btn:hover {
            background: #357ABD;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(74, 144, 226, 0.2);
        }

        .submit-btn:active {
            transform: translateY(0);
        }

        .message {
            margin-top: 24px;
        }

        .message-links {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 2px;
        }

        .message-links a {
            font-size: 15px;
            text-decoration: none;
            transition: all 0.3s ease;
            padding: 5px;
        }

        .message-links .forgot-password {
            color: #666;
            font-weight: 500;
        }

        .message-links .register {
            color: #4A90E2;
            font-weight: 500;
        }

        .message-links a:hover {
            color: #357ABD;
        }

        @media (max-width: 480px) {
            .login-container {
                width: 92%;
                margin: 20px;
                padding: 25px 20px;
            }

            .login-container h2 {
                font-size: 26px;
                margin-bottom: 25px;
            }

            .form-group {
                margin-bottom: 20px;
            }

            .form-group label {
                font-size: 15px;
                margin-bottom: 8px;
            }

            .form-group input {
                padding: 14px;
                font-size: 16px;
            }

            .submit-btn {
                padding: 15px;
                font-size: 16px;
            }

            .message-links a {
                font-size: 14px;
            }
        }

        /* 移除之前的动态背景和不必要的动画 */
        .background {
            display: none;
        }

        /* 增加封禁提示样式 */
        .banned-message {
            background: #FEE7E7;
            color: #E74C3C;
            padding: 12px;
            border-radius: 12px;
            text-align: center;
            margin-bottom: 20px;
            font-size: 14px;
            font-weight: 500;
        }

        /* 提示文字晃动动画效果 */
        @keyframes shake {
            0% {
                transform: translateX(-10px);
            }
            100% {
                transform: translateX(10px);
            }
        }
    </style>