/* 全局样式 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #1E1E2D, #2C3E50);
        color: #FFFFFF;
        line-height: 1.6;
        padding: 20px;
    }

    header {
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        padding: 20px;
        border-radius: 10px;
        text-align: center;
        margin-bottom: 40px;
        position: relative;
    }

    header h1 {
        font-size: 2.5em;
        color: #4C9AFF;
        margin-bottom: 10px;
        animation: fadeIn 2s ease-in-out;
    }

    header p {
        font-size: 1.2em;
        color: #B0B0C0;
    }

    nav {
        display: flex;
        justify-content: center;
        gap: 30px;
        margin-bottom: 40px;
    }

    nav a {
        color: #FFFFFF;
        text-decoration: none;
        font-size: 1em;
        position: relative;
        padding: 5px 10px;
        transition: color 0.3s ease;
    }

    nav a::after {
        content: '';
        display: block;
        width: 0;
        height: 2px;
        background: #4C9AFF;
        transition: width 0.3s;
        position: absolute;
        bottom: 0;
        left: 0;
    }

    nav a:hover::after {
        width: 100%;
    }

    nav a:hover {
        color: #4C9AFF;
    }

    main {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
    }

    article {
        flex: 1 1 100%;
        background: rgba(255, 255, 255, 0.05);
        padding: 20px;
        border-radius: 10px;
        backdrop-filter: blur(5px);
    }

    article h2, article h3 {
        color: #4C9AFF;
        margin-bottom: 15px;
    }

    article p {
        margin-bottom: 15px;
        color: #D0D0E0;
    }

    article pre {
        background: rgba(0, 0, 0, 0.5);
        padding: 15px;
        border-radius: 5px;
        overflow: auto;
        margin-bottom: 15px;
    }

    article code {
        color: #FFD700;
        font-family: 'Courier New', Courier, monospace;
    }

    table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 20px;
    }

    table, th, td {
        border: 1px solid #4C9AFF;
    }

    th, td {
        padding: 10px;
        text-align: left;
    }

    th {
        background: rgba(76, 154, 255, 0.2);
    }

    .glass-effect {
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        padding: 20px;
        border-radius: 10px;
    }

    .ripple-effect {
        position: relative;
        overflow: hidden;
        display: inline-block;
        padding: 10px 20px;
        background: #4C9AFF;
        border-radius: 5px;
        cursor: pointer;
        transition: background 0.3s ease;
    }

    .ripple-effect::after {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        background: rgba(255, 255, 255, 0.5);
        border-radius: 50%;
        transform: translate(-50%, -50%);
        animation: ripple 0.6s ease-out;
    }

    .ripple-effect:hover {
        background: #2C73D2;
    }

    @keyframes ripple {
        0% {
            width: 0;
            height: 0;
            opacity: 1;
        }
        100% {
            width: 200px;
            height: 200px;
            opacity: 0;
        }
    }

    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }

    /* 动态背景效果 */
    .dynamic-background {
        background: radial-gradient(circle, rgb(255, 87, 34), transparent);
        animation: aurora-move 15s linear infinite;
    }

    @keyframes aurora-move {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    /* 响应式设计 */
    @media (max-width: 320px) {
        header h1 {
            font-size: 1.5em;
        }
        nav {
            flex-direction: column;
            gap: 10px;
        }
        main {
            flex-direction: column;
        }
    }

    @media (min-width: 321px) and (max-width: 480px) {
        header h1 {
            font-size: 1.8em;
        }
    }

    @media (min-width: 481px) and (max-width: 768px) {
        article {
            flex: 1 1 100%;
        }
    }

    @media (min-width: 769px) and (max-width: 1024px) {
        article {
            flex: 1 1 48%;
        }
    }

    @media (min-width: 1025px) and (max-width: 1200px) {
        article {
            flex: 1 1 30%;
        }
    }

    @media (min-width: 1201px) {
        article {
            flex: 1 1 22%;
        }
    }

    /* 链接无follow属性 */
    a {
        rel: nofollow;
    }

    /* 图像样式 */
    img {
        max-width: 100%;
        height: auto;
        border-radius: 10px;
    }