/* 全局样式 */
    body {
        margin: 0;
        font-family: 'Roboto', 'Futura', sans-serif;
        background: linear-gradient(135deg, #0033cc, #6600cc, #ff00cc);
        background-size: 400% 400%;
        animation: gradientAnimation 15s ease infinite;
        color: #ffffff;
        overflow-x: hidden;
    }
    
    @keyframes gradientAnimation {
        0% {background-position: 0% 50%;}
        50% {background-position: 100% 50%;}
        100% {background-position: 0% 50%;}
    }
    
    header {
        position: relative;
        width: 100%;
        height: 60vh;
        background: linear-gradient(135deg, #0033cc, #6600cc, #ff00cc);
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        overflow: hidden;
    }
    
    header::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: url('https://images.gptkong.com/demo/sample1.png') repeat;
        opacity: 0.2;
        pointer-events: none;
    }
    
    header h1 {
        font-size: 3em;
        background: linear-gradient(to right, #0033cc, #6600cc);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        z-index: 1;
    }
    
    main {
        padding: 20px;
        max-width: 1200px;
        margin: 0 auto;
    }
    
    article {
        background: rgba(0, 0, 0, 0.5);
        padding: 30px;
        border-radius: 10px;
        box-shadow: 0 4px 15px rgba(0,0,0,0.3);
        margin-bottom: 40px;
    }
    
    article h2, article h3 {
        color: #ffcc00;
    }
    
    article pre {
        background: #1e1e1e;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin: 15px 0;
    }
    
    article code {
        color: #00ffcc;
        font-family: 'Courier New', Courier, monospace;
    }
    
    .data-section {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        margin-bottom: 40px;
    }
    
    .data-section h3 {
        color: #ff6600;
    }
    
    .data-section ul {
        list-style: none;
        padding: 0;
    }
    
    .data-section li {
        margin-bottom: 10px;
        padding-left: 20px;
        position: relative;
    }
    
    .data-section li::before {
        content: '•';
        position: absolute;
        left: 0;
        color: #00ffcc;
    }
    
    footer {
        text-align: center;
        padding: 20px;
        background: rgba(0, 0, 0, 0.7);
        color: #ffffff;
    }
    
    /* 图片样式 */
    .image-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
        gap: 10px;
        margin: 20px 0;
    }
    
    .image-grid img {
        width: 100%;
        height: auto;
        border-radius: 5px;
    }
    
    /* 响应式设计 */
    @media (max-width: 480px) {
        header h1 {
            font-size: 2em;
        }
        
        article {
            padding: 20px;
        }
        
        .data-section {
            padding: 15px;
        }
    }
    
    @media (min-width: 481px) and (max-width: 768px) {
        header h1 {
            font-size: 2.5em;
        }
    }
    
    @media (min-width: 769px) and (max-width: 1024px) {
        header h1 {
            font-size: 3em;
        }
    }
    
    @media (min-width: 1025px) and (max-width: 1440px) {
        header h1 {
            font-size: 3.5em;
        }
    }
    
    @media (min-width: 1441px) {
        header h1 {
            font-size: 4em;
        }
    }
    
    /* 交互效果 */
    a {
        color: #00ffcc;
        text-decoration: none;
        position: relative;
    }
    
    a::after {
        content: '';
        position: absolute;
        width: 100%;
        transform: scaleX(0);
        height: 2px;
        bottom: -2px;
        left: 0;
        background-color: #00ffcc;
        transform-origin: bottom right;
        transition: transform 0.25s ease-out;
    }
    
    a:hover::after {
        transform: scaleX(1);
        transform-origin: bottom left;
    }
    
    button {
        background: linear-gradient(to right, #ff6600, #ff9900);
        border: none;
        padding: 10px 20px;
        color: #ffffff;
        border-radius: 5px;
        cursor: pointer;
        transition: transform 0.3s, box-shadow 0.3s;
    }
    
    button:hover {
        transform: scale(1.05);
        box-shadow: 0 0 10px rgba(255, 153, 0, 0.7);
    }