/* 基础样式 */
body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f5f7fa;
    color: #333;
    text-align: center;
}

.layout {
    display: flex;
    height: 100vh;
}

/* 左侧菜单 */
.sidebar {
    width: 200px;
    background: #fff;
    border-right: 1px solid #ddd;
    padding: 20px;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
}

.sidebar div {
    padding: 10px;
    cursor: pointer;
    border-radius: 4px;
    margin-bottom: 10px;
}

.sidebar div:hover {
    background: #f0f0f0;
}

h2 {
    font-size: 1.5em;
    margin-bottom: 20px;
}

/* 右侧内容区 */
.content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.page {
    display: none;
}

.page.active {
    display: block;
}

textarea, input {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border-radius: 5px;
    border: 1px solid #ddd;
    background-color: #fff;
}

button {
    padding: 10px 20px;
    margin: 5px;
    background-color: #1677ff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #1264d0;
}

pre {
    background-color: #fff;
    padding: 10px;
    border-radius: 5px;
    border: 1px solid #ddd;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* QR 代码区域 */
.qr img {
    width: 150px;
    margin: 10px;
    border-radius: 10px;
}

/* 捐赠区样式 */
.donate {
    margin-top: 40px;
    background-color: #1e3a8a;
    color: white;
    padding: 40px;
    border-radius: 8px;
}

.donate h3 {
    font-size: 2em;
    margin-bottom: 20px;
}

.donate p {
    font-size: 1.2em;
    margin-bottom: 30px;
}

footer {
    margin-top: 40px;
    padding: 10px;
    background-color: #1e1e1e;
    color: #fff;
}

/* 响应式布局 */
@media (max-width: 768px) {
    .layout {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        margin-bottom: 20px;
    }

    .content {
        padding: 10px;
    }
}