/* 全局样式 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #1e1e1e, #2c2c2c);
        color: #ffffff;
        line-height: 1.6;
        padding: 20px;
    }
    a {
        color: #4C6EF5;
        text-decoration: none;
    }
    a:hover {
        text-decoration: underline;
    }
    /* 导航栏样式 */
    .navbar {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(18, 18, 18, 0.9);
        padding: 15px 30px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        z-index: 1000;
        box-shadow: 0 2px 10px rgba(0,0,0,0.5);
    }
    .navbar .logo {
        font-family: 'Orbitron', sans-serif;
        font-size: 24px;
        color: #4C6EF5;
    }
    .navbar ul {
        list-style: none;
        display: flex;
    }
    .navbar ul li {
        margin-left: 20px;
    }
    .navbar ul li a {
        font-size: 16px;
        position: relative;
    }
    .navbar ul li a::after {
        content: '';
        position: absolute;
        width: 0%;
        height: 2px;
        background: #4C6EF5;
        left: 0;
        bottom: -5px;
        transition: width 0.3s;
    }
    .navbar ul li a:hover::after {
        width: 100%;
    }
    /* 主内容区 */
    .container {
        margin-top: 80px;
    }
    /* 选项卡样式 */
    .tabs {
        display: flex;
        flex-wrap: wrap;
        margin-bottom: 20px;
    }
    .tab {
        flex: 1 1 100%;
        padding: 15px;
        margin: 5px 0;
        background: rgba(76, 110, 245, 0.1);
        border: 2px solid #4C6EF5;
        border-radius: 8px;
        text-align: center;
        cursor: pointer;
        transition: transform 0.3s, box-shadow 0.3s;
    }
    .tab:hover {
        transform: scale(1.05);
        box-shadow: 0 0 15px #4C6EF5;
    }
    @media(min-width: 768px) {
        .tab {
            flex: 1 1 48%;
        }
    }
    @media(min-width: 1024px) {
        .tab {
            flex: 1 1 30%;
        }
    }
    /* 内容区 */
    .tab-content {
        display: none;
        padding: 20px;
        background: rgba(44, 44, 44, 0.9);
        border-radius: 8px;
        margin-bottom: 20px;
        animation: fadeIn 1s forwards;
    }
    .active {
        display: block;
    }
    /* 示例文章样式 */
    .example-article {
        padding: 20px;
        background: rgba(255, 255, 255, 0.05);
        border-left: 4px solid #4C6EF5;
        border-radius: 8px;
    }
    .example-article h2 {
        font-family: 'Orbitron', sans-serif;
        margin-bottom: 15px;
        color: #4C6EF5;
    }
    .example-article h3, .example-article h4 {
        color: #6C757D;
        margin-top: 15px;
    }
    .example-article pre {
        background: #2c2c2c;
        padding: 10px;
        border-radius: 5px;
        overflow-x: auto;
        margin-top: 10px;
    }
    .example-article code {
        color: #4C6EF5;
        font-family: 'Courier New', Courier, monospace;
    }
    /* 提示信息 */
    .hint {
        text-align: center;
        font-size: 18px;
        margin: 20px 0;
        color: #FFDD57;
    }
    /* 响应式图片 */
    .images-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 10px;
        margin-bottom: 20px;
    }
    .images-grid img {
        width: 100%;
        height: auto;
        border-radius: 5px;
    }
    /* 动画效果 */
    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }