body {
    font-family: Arial, sans-serif;
    background-color: #f8f9fa;
    color: #333;
    margin: 0;
    padding: 20px;
}

h1 {
    text-align: center;
    color: #007bff;
}

.file-upload {
    display: flex;
    gap: 10px;
}

button, input[type="file"] {
    padding: 10px 15px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}

.container {
    max-width: 1000px; /* 允许更宽的容器 */
    margin: auto;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.layout {
    display: flex;
    justify-content: space-between; /* 在左右两侧分布 */
}

.text-area-container {
    flex: 2; /* 左侧输入输出框占据较大空间 */
    margin-right: 20px;
}

.button-group {
    display: flex;
    flex-direction: column;
    gap: 10px; /* 调整按钮间距 */
    flex: 1; /* 右侧按钮组占据较小空间 */
}

textarea {
    width: 100%;
    margin: 10px 0;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1em;
    resize: none;
    height: 100%; /* 使文本框填满容器高度 */
}


.container {
    max-width: 1000px;
    margin: auto;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.layout {
    display: flex;
    justify-content: space-between; /* 均匀分布 */
    align-items: flex-start; /* 顶部对齐 */
}

.text-area-container {
    flex: 2; /* 输入输出框占据较大空间 */
    margin-right: 20px;
}

.button-group {
    display: flex;
    flex-direction: column;
    justify-content: space-between; /* 均匀分布按钮 */
    flex: 1; /* 按钮组占据较小空间 */
}

textarea {
    width: 100%;
    margin: 10px 0;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1em;
    resize: none;
}

.file-upload {
    display: flex;
    gap: 10px;
    margin-top: 10px; /* 为上传文件区域添加间距 */
}

button, input[type="file"] {
    padding: 10px 15px;
    margin-left: 10px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}