/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body, html {
    height: 100%;
    font-family: Arial, sans-serif;
}

.container {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.column {
    width: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px;
    height: 100%;
}

/* 文本框样式 */
textarea {
    width: 100%;
    height: 100%;
    font-size: 12px; /* 字体减小 */
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    resize: none; /* 禁止拖动调整大小 */
    outline: none;
}

/* 中间按钮区域 */
.button-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 10px;
    height: 100%;
}

button {
    width: 200px;
    margin: 10px;
    padding: 10px;
    font-size: 14px;
    cursor: pointer;
    border: none;
    background-color: #4CAF50;
    color: white;
    border-radius: 5px;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #45a049;
}

button:active {
    background-color: #397039;
}