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

    body {
        font-family: 'Roboto', 'Inter', sans-serif;
        background: linear-gradient(135deg, #0d1b2a, #1b263b, #415a77);
        color: #ffffff;
        line-height: 1.6;
        padding: 20px;
    }

    h1, h2, h3 {
        font-weight: 700;
        color: #ffffff;
        text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
    }

    h1 {
        font-size: 2.5rem;
        margin-bottom: 20px;
    }

    h2 {
        font-size: 2rem;
        margin: 20px 0 10px 0;
    }

    h3 {
        font-size: 1.5rem;
        margin: 15px 0 10px 0;
    }

    p {
        font-size: 1rem;
        margin-bottom: 15px;
        color: #e0e0e0;
    }

    a {
        color: #66fcf1;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #45a29e;
    }

    /* 按钮样式 */
    .btn {
        display: inline-block;
        padding: 10px 20px;
        background: linear-gradient(45deg, #ff5722, #ff8a65);
        color: #ffffff;
        border: none;
        border-radius: 25px;
        cursor: pointer;
        transition: background 0.3s ease, transform 0.3s ease;
        text-decoration: none;
    }

    .btn:hover {
        background: linear-gradient(45deg, #e64a19, #ff7043);
        transform: scale(1.05);
    }

    /* 导航栏样式 */
    nav {
        width: 100%;
        padding: 15px 0;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(10px);
        position: fixed;
        top: 0;
        left: 0;
        z-index: 1000;
    }

    nav ul {
        list-style: none;
        display: flex;
        justify-content: center;
    }

    nav ul li {
        margin: 0 15px;
    }

    /* 主内容样式 */
    .container {
        max-width: 1200px;
        margin: 100px auto 50px auto;
        padding: 20px;
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        border-radius: 15px;
        box-shadow: 0 0 20px rgba(0,0,0,0.5);
    }

    /* 示例展示样式 */
    .example-section {
        margin-top: 50px;
        padding: 20px;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 10px;
    }

    .example-section h2 {
        color: #ffcc00;
    }

    .example-section pre {
        background: #1b263b;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 15px;
    }

    .example-section code {
        color: #66fcf1;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 图像样式 */
    .images-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 15px;
        margin: 20px 0;
    }

    .images-grid img {
        width: 100%;
        border-radius: 10px;
        transition: transform 0.3s ease;
    }

    .images-grid img:hover {
        transform: scale(1.05);
    }

    /* 响应式设计 */
    @media (max-width: 480px) {
        h1 {
            font-size: 2rem;
        }
        h2 {
            font-size: 1.75rem;
        }
        .images-grid {
            grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        }
    }

    @media (min-width: 481px) and (max-width: 768px) {
        h1 {
            font-size: 2.2rem;
        }
        h2 {
            font-size: 1.8rem;
        }
        .images-grid {
            grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        }
    }

    @media (min-width: 769px) and (max-width: 1024px) {
        h1 {
            font-size: 2.5rem;
        }
        h2 {
            font-size: 2rem;
        }
    }

    @media (min-width: 1025px) and (max-width: 1440px) {
        .container {
            padding: 30px;
        }
    }

    @media (min-width: 1441px) {
        h1 {
            font-size: 3rem;
        }
        .container {
            padding: 40px;
        }
    }

    /* 动态背景效果 */
    .background-animation {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: radial-gradient(circle, rgb(255, 87, 34), transparent);
        animation: aurora-move 15s linear infinite;
        z-index: -1;
    }

    @keyframes aurora-move {
        0% { transform: translateY(0); }
        50% { transform: translateY(-50px); }
        100% { transform: translateY(0); }
    }

    /* 其他视觉元素 */
    .geometric-shapes {
        position: absolute;
        width: 100px;
        height: 100px;
        background: rgba(255, 255, 255, 0.2);
        border-radius: 50%;
        top: 20%;
        left: 30%;
        animation: float 10s infinite ease-in-out;
    }

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

    /* 提示信息样式 */
    .reference-note {
        text-align: center;
        font-size: 1.2rem;
        margin-top: 30px;
        color: #ffeb3b;
        animation: fade-in 3s ease-in-out;
    }

    @keyframes fade-in {
        from { opacity: 0; }
        to { opacity: 1; }
    }