body {
    background-color: #000;
    color: #fff;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    margin: 0;
    display: flex;
    justify-content: center;
}

.container {
    width: 100%;
    max-width: 500px; /* 模拟手机端宽度居中 */
    min-height: 100vh;
    padding: 20px;
    box-sizing: border-box;
    position: relative;
}

/* 返回按钮 */
.back-link {
    display: inline-block;
    text-decoration: none;
    color: #fff;
    font-size: 24px;
    margin-bottom: 40px;
}

/* Logo 区域 */
.logo-section {
    text-align: center;
    margin-bottom: 50px;
}

.logo-img {
    width: 100px;
    height: 100px;
    border-radius: 15px;
    margin-bottom: 15px;
}

.version {
    color: #fff;
    font-size: 18px;
    font-weight: 500;
}

/* 列表项 */
.menu-list {
    padding: 0 10px;
}

.menu-item {
    display: block;
    text-decoration: none;
    color: #fff;
    font-size: 18px;
    padding: 20px 0;
    /* 模拟截图中的文字排版 */
}

.menu-item:not(:last-child) {
    /* 如果需要分割线可以取消注释，但截图看起来是纯黑底 */
    /* border-bottom: 1px solid #1a1a1a; */
}