/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', 'Orbitron', sans-serif;
        color: #aaffff;
        background: linear-gradient(135deg, #121212, #4b0082);
        overflow-x: hidden;
    }

    /* 容器样式 */
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
    }

    /* 头部样式 */
    header {
        text-align: center;
        padding: 50px 20px;
        background: rgba(0, 0, 0, 0.5);
        border-bottom: 1px solid #333;
    }

    header h1 {
        font-size: 3em;
        margin: 0;
        color: #00ffcc;
    }

    /* 导航样式 */
    nav {
        display: flex;
        justify-content: center;
        gap: 30px;
        margin-top: 20px;
    }

    nav a {
        color: #ff6600;
        text-decoration: none;
        font-size: 1.2em;
        transition: color 0.3s;
    }

    nav a:hover {
        color: #00ffcc;
    }

    /* 主内容样式 */
    main {
        padding: 50px 20px;
    }

    section {
        margin-bottom: 60px;
    }

    section h2 {
        font-size: 2.5em;
        margin-bottom: 20px;
        color: #ffcc00;
        text-align: center;
    }

    section p {
        font-size: 1.1em;
        line-height: 1.6;
        margin-bottom: 20px;
        color: #ddeeff;
    }

    /* 表格样式 */
    table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 20px;
    }

    table, th, td {
        border: 1px solid #555;
    }

    th, td {
        padding: 15px;
        text-align: left;
    }

    th {
        background: rgba(255, 255, 255, 0.1);
    }

    /* 代码块样式 */
    pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        white-space: pre-wrap;
        word-wrap: break-word;
        margin-bottom: 20px;
    }

    code {
        color: #ffcc00;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 按钮样式 */
    .button {
        position: relative;
        display: inline-block;
        padding: 15px 30px;
        color: #fff;
        background: #00ffcc;
        border: none;
        border-radius: 50px;
        cursor: pointer;
        overflow: hidden;
        transition: background 0.3s;
    }

    .button:hover {
        background: #ff6600;
    }

    /* 按钮光晕动画 */
    .button:hover::before {
        content: '';
        display: block;
        position: absolute;
        top: 50%;
        left: 50%;
        width: 100px;
        height: 100px;
        background: rgba(255, 255, 255, 0.5);
        border-radius: 50%;
        transform: translate(-50%, -50%);
        animation: glow 1s ease-in-out infinite;
    }

    @keyframes glow {
        0% { opacity: 0; }
        50% { opacity: 1; }
        100% { opacity: 0; }
    }

    /* 图片样式 */
    .gallery {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
    }

    .gallery img {
        width: 150px;
        height: 150px;
        object-fit: cover;
        border-radius: 10px;
    }

    /* 示例展示样式 */
    .sample-article {
        background: rgba(255, 255, 255, 0.1);
        padding: 30px;
        border-radius: 10px;
    }

    .sample-article h2 {
        color: #ffcc00;
        text-align: center;
    }

    .sample-article h3 {
        color: #00ffcc;
        margin-top: 20px;
    }

    .sample-article ul, .sample-article table {
        margin-left: 20px;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        header h1 {
            font-size: 2.5em;
        }
        section h2 {
            font-size: 2em;
        }
    }

    @media (max-width: 1200px) {
        .container {
            padding: 30px;
        }
        .gallery img {
            width: 120px;
            height: 120px;
        }
    }

    @media (max-width: 1024px) {
        nav {
            flex-direction: column;
            gap: 15px;
        }
        .button {
            padding: 10px 20px;
        }
    }

    @media (max-width: 768px) {
        header h1 {
            font-size: 2em;
        }
        section h2 {
            font-size: 1.8em;
        }
        .gallery img {
            width: 100px;
            height: 100px;
        }
    }

    @media (max-width: 480px) {
        header h1 {
            font-size: 1.5em;
        }
        section h2 {
            font-size: 1.5em;
        }
        .button {
            padding: 8px 16px;
        }
        .gallery img {
            width: 80px;
            height: 80px;
        }
    }

    @media (max-width: 320px) {
        header h1 {
            font-size: 1.2em;
        }
        section h2 {
            font-size: 1.2em;
        }
        .button {
            padding: 6px 12px;
        }
        .gallery img {
            width: 60px;
            height: 60px;
        }
    }

    /* 提示样式 */
    .notice {
        text-align: center;
        font-size: 1em;
        color: #ff6600;
        margin-top: 40px;
    }

    /* 动画与视差层 */
    .parallax {
        perspective: 1px;
        height: 100vh;
        overflow-x: hidden;
        overflow-y: auto;
    }

    .parallax__layer {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
    }

    .parallax__layer--back {
        transform: translateZ(-2px) scale(3);
    }

    .parallax__layer--base {
        transform: translateZ(0);
    }

    /* 半透明几何图形 */
    .geo-shape {
        position: absolute;
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid #00ffcc;
        border-radius: 50%;
        animation: float 6s ease-in-out infinite;
    }

    @keyframes float {
        0% { transform: translateY(0) rotate(0deg); }
        50% { transform: translateY(-20px) rotate(180deg); }
        100% { transform: translateY(0) rotate(360deg); }
    }