/* 保持原有样式 */
* {
    box-sizing: border-box;
}
html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: sans-serif;
}
.container {
    display: flex;
    height: 100vh;
}
.sidebar {
    width: 10%;
    background-color: #2c3e50;
    display: flex;
    flex-direction: column;
    padding: 20px;
    color: white;
}
.sidebar button {
    background-color: #34495e;
    border: none;
    color: white;
    padding: 12px;
    margin-bottom: 10px;
    cursor: pointer;
    border-radius: 4px;
}

.content {
    width: 90%;
    display: flex;
    flex-direction: column;
    padding: 20px;
    background-color: #ecf0f1;
    height: 100%;
}