/* 全局样式 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    
    body {
        font-family: 'Roboto', sans-serif;
        background: radial-gradient(circle, #333333, #0A66C2, #9B59B6);
        color: #ffffff;
        line-height: 1.6;
        padding: 20px;
        animation: backgroundMove 15s linear infinite;
    }
    
    @keyframes backgroundMove {
        0% {
            background-position: 0% 50%;
        }
        50% {
            background-position: 100% 50%;
        }
        100% {
            background-position: 0% 50%;
        }
    }
    
    h1, h2, h3, h4, h5, h6 {
        font-family: 'Montserrat', sans-serif;
        color: #FFA500;
        margin-bottom: 20px;
    }
    
    h1 {
        font-size: 2.5em;
        text-align: center;
        margin-top: 20px;
    }
    
    h2 {
        font-size: 2em;
        margin-top: 40px;
    }
    
    h3 {
        font-size: 1.75em;
        margin-top: 30px;
    }
    
    h4 {
        font-size: 1.5em;
        margin-top: 25px;
    }
    
    p {
        font-size: 1em;
        margin-bottom: 20px;
        color: #f0f0f0;
    }
    
    a {
        color: #0A66C2;
        text-decoration: none;
        transition: color 0.3s ease;
    }
    
    a:hover {
        color: #FFA500;
    }
    
    pre {
        background: #2c3e50;
        padding: 15px;
        border-radius: 8px;
        overflow-x: auto;
        margin-bottom: 20px;
    }
    
    code {
        font-family: 'Courier New', Courier, monospace;
        color: #ecf0f1;
    }
    
    .button {
        background-color: #FFA500;
        border: none;
        color: white;
        padding: 10px 20px;
        text-align: center;
        text-decoration: none;
        display: inline-block;
        font-size: 16px;
        margin: 4px 2px;
        cursor: pointer;
        border-radius: 8px;
        transition: background-color 0.3s ease;
        position: relative;
        overflow: hidden;
    }
    
    .button:hover {
        background-color: #FF8C00;
    }
    
    .button::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%);
        opacity: 0;
        transition: all 0.4s ease;
    }
    
    .button:active::after {
        width: 200px;
        height: 200px;
        opacity: 1;
    }
    
    .card {
        background-color: rgba(255, 255, 255, 0.1);
        border: 1px solid #444;
        border-radius: 8px;
        padding: 20px;
        margin: 20px 0;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        transition: transform 0.3s ease;
    }
    
    .card:hover {
        transform: scale(1.05);
    }
    
    .navbar {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        background-color: rgba(51, 51, 51, 0.9);
        color: white;
        padding: 10px 20px;
        z-index: 1000;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .navbar a {
        color: white;
        text-decoration: none;
        margin: 0 10px;
        transition: color 0.3s ease;
    }
    
    .navbar a:hover {
        color: #FFA500;
    }
    
    .container {
        max-width: 1200px;
        margin: 100px auto 50px auto;
        padding: 20px;
    }
    
    .image-gallery {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 15px;
        margin-bottom: 30px;
    }
    
    .image-gallery img {
        width: 100%;
        border-radius: 8px;
    }
    
    .fade-in {
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.5s ease;
    }
    
    .fade-in.active {
        opacity: 1;
        transform: translateY(0);
    }
    
    @media (max-width: 1440px) {
        body {
            padding: 15px;
        }
    }
    
    @media (max-width: 1200px) {
        .container {
            margin: 90px auto 40px auto;
        }
    }
    
    @media (max-width: 1024px) {
        h1 {
            font-size: 2.2em;
        }
        h2 {
            font-size: 1.8em;
        }
    }
    
    @media (max-width: 768px) {
        .image-gallery {
            grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        }
        .navbar {
            flex-direction: column;
            align-items: flex-start;
        }
    }
    
    @media (max-width: 480px) {
        h1 {
            font-size: 1.8em;
        }
        h2 {
            font-size: 1.5em;
        }
        .button {
            padding: 8px 16px;
            font-size: 14px;
        }
    }
    
    @media (max-width: 320px) {
        h1 {
            font-size: 1.5em;
        }
        h2 {
            font-size: 1.2em;
        }
        .image-gallery {
            grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        }
    }
    
    .particle-background {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
        z-index: -1;
    }
    
    /* 代码块样式 */
    pre code {
        display: block;
        padding: 10px;
        background-color: #2c3e50;
        border-radius: 5px;
        overflow-x: auto;
        color: #ecf0f1;
        font-size: 0.9em;
    }
    
    /* 提示样式 */
    .reference {
        background-color: rgba(255, 165, 0, 0.2);
        padding: 15px;
        border-left: 5px solid #FFA500;
        margin-bottom: 30px;
        border-radius: 4px;
    }