.container {
            max-width: 1340px;
            background: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        h1 {
            text-align: center;
            color: #333;
            margin-bottom: 30px;
        }
        .input-group, .output-group {
            margin-bottom: 25px;
        }
        label {
            display: block;
            /*margin-bottom: 10px;*/
            font-weight: bold;
            color: #555;
        }
        textarea {
            width: -webkit-fill-available;
            width: -moz-available;
            padding: 15px;
            border: 1px solid #ddd;
            border-radius: 4px;
            resize: vertical;
            font-size: 14px;
            line-height: 1.6;
            min-height: 200px;
            margin-top: 20px;
            
        }
        /* 新增：控制选项和按钮在同一行的容器 */
        .control-bar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            gap: 15px;
        }
        .options {
            margin-bottom: 0;
            display: flex;
            align-items: center;
            gap: 15px;
            margin-left: auto; /* 靠右显示 */
        }
        select, button {
            padding: 10px 15px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 14px;
            cursor: pointer;
        }
        button {
            background-color: #4CAF50;
            color: white;
            border: none;
            transition: background-color 0.3s;
        }
        button:hover {
            background-color: #45a049;
        }
        #copyBtn {
            background-color: #2196F3;
        }
        #copyBtn:hover {
            background-color: #0b7dda;
        }
        #clearBtn {
            background-color: #f44336;
        }
        #clearBtn:hover {
            background-color: #d32f2f;
        }
        .button-group {
            display: flex;
            gap: 15px;
        }
        .success {
            color: #4CAF50;
            text-align: center;
            margin-top: 15px;
            display: none;
        }
        /* 响应式调整 */
        @media (max-width: 768px) {
            .control-bar {
                flex-direction: column;
                align-items: stretch;
            }
            .options {
                margin-left: 0;
                margin-bottom: 15px;
                justify-content: flex-start;
            }
            .button-group {
                width: 100%;
                justify-content: space-between;
            }
        }