/* 全局样式 */
body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #1a1a40, #2e2e66);
    color: #ffffff;
    line-height: 1.6;
}
.container {
    display: flex;
    flex-wrap: wrap;
    max-width: 1440px;
    margin: 0 auto;
    padding: 20px;
}
/* 左侧导航栏 */
.navbar {
    position: fixed;
    left: 0;
    top: 0;
    width: 200px;
    height: 100%;
    background: linear-gradient(180deg, #2e2e66, #1a1a40);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
    z-index: 100;
}
.navbar ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.navbar li {
    margin: 15px 0;
    text-align: center;
}
.navbar a {
    text-decoration: none;
    color: #ffffff;
    font-size: 16px;
    transition: all 0.3s ease;
}
.navbar a:hover {
    color: #6f00ff;
    text-shadow: 0 0 10px #6f00ff;
}
/* 主内容区域 */
.content {
    margin-left: 220px;
    padding: 20px;
    flex: 1;
    min-width: 300px;
}
h1, h2, h3 {
    font-weight: bold;
    color: #6f00ff;
    margin-top: 20px;
}
p, table, pre, ul, ol {
    margin-bottom: 20px;
}
pre {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 15px;
    overflow-x: auto;
}
code {
    color: #6f00ff;
    font-family: 'Courier New', monospace;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}
th, td {
    border: 1px solid #ffffff;
    padding: 10px;
    text-align: center;
}
th {
    background-color: #6f00ff;
    color: #ffffff;
}
img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 10px 0;
}
/* 卡片式布局 */
.card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}
/* 响应式设计 */
@media (max-width: 768px) {
    .navbar {
        position: relative;
        width: 100%;
        height: auto;
    }
    .content {
        margin-left: 0;
    }
}