/* 基础样式 */
    @import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Roboto', sans-serif;
        background: radial-gradient(circle, rgba(10, 25, 47, 1) 0%, rgba(44, 62, 80, 1) 100%);
        color: #ffffff;
        line-height: 1.6;
        overflow-x: hidden;
    }

    .container {
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
    }

    header {
        text-align: center;
        padding: 50px 0;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 15px;
        box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    }

    header h1 {
        font-size: 2.5rem;
        color: #34ebd9;
        text-shadow: 0 0 10px #34ebd9, 0 0 20px #34ebd9;
        margin-bottom: 20px;
    }

    header p {
        font-size: 1.2rem;
        color: #ffffff;
    }

    nav {
        display: flex;
        justify-content: center;
        gap: 20px;
        margin: 30px 0;
    }

    nav a {
        color: #ffffff;
        text-decoration: none;
        font-size: 1rem;
        position: relative;
        padding: 5px 0;
        transition: color 0.3s ease;
    }

    nav a::after {
        content: '';
        position: absolute;
        width: 0%;
        height: 2px;
        bottom: 0;
        left: 0;
        background-color: #34ebd9;
        transition: width 0.3s;
    }

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

    nav a:hover {
        color: #34ebd9;
    }

    .section {
        margin: 40px 0;
        padding: 20px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 15px;
        box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    }

    .section h2 {
        font-size: 2rem;
        color: #6846f7;
        margin-bottom: 20px;
        border-bottom: 2px solid #34ebd9;
        padding-bottom: 10px;
    }

    .section p {
        margin-bottom: 20px;
    }

    .section pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 10px;
        overflow: hidden;
        margin-bottom: 20px;
    }

    .section code {
        color: #34ebd9;
        font-family: 'Courier New', Courier, monospace;
        display: block;
        white-space: pre-wrap;
    }

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

    table, th, td {
        border: 1px solid #34ebd9;
    }

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

    th {
        background: rgba(52, 235, 217, 0.2);
    }

    .image-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 15px;
        margin-bottom: 20px;
    }

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

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

    .code-preview {
        background: rgba(44, 62, 80, 0.9);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 4px 10px rgba(0,0,0,0.5);
        margin-bottom: 20px;
    }

    .code-preview code {
        color: #34ebd9;
        font-family: 'Courier New', Courier, monospace;
        display: block;
        white-space: pre-wrap;
    }

    footer {
        text-align: center;
        padding: 30px 0;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 15px;
        box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    }

    footer p {
        font-size: 1rem;
        color: #ffffff;
    }

    /* 动态粒子背景 */
    .particle {
        position: absolute;
        width: 5px;
        height: 5px;
        background-color: #ffffff;
        opacity: 0.5;
        border-radius: 50%;
        animation: float 10s infinite ease-in-out;
    }

    @keyframes float {
        0% { transform: translateY(0) scale(1); }
        50% { transform: translateY(-30px) scale(1.5); }
        100% { transform: translateY(0) scale(1); }
    }

    /* 生成多个粒子 */
    .particles-container {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
        overflow: hidden;
        z-index: -1;
    }

    /* 响应式设计 */
    @media (max-width: 320px) {
        header h1 {
            font-size: 1.5rem;
        }

        nav a {
            font-size: 0.8rem;
        }

        .section h2 {
            font-size: 1.5rem;
        }
    }

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

        nav a {
            font-size: 0.9rem;
        }

        .section h2 {
            font-size: 1.7rem;
        }
    }

    @media (min-width: 481px) and (max-width: 768px) {
        header h1 {
            font-size: 2rem;
        }

        nav {
            flex-direction: column;
            gap: 10px;
        }

        .section {
            padding: 15px;
        }
    }

    @media (min-width: 769px) and (max-width: 1024px) {
        .grid-container {
            grid-template-columns: repeat(2, 1fr);
        }

        .section h2 {
            font-size: 1.8rem;
        }
    }

    @media (min-width: 1025px) and (max-width: 1200px) {
        .grid-container {
            grid-template-columns: repeat(3, 1fr);
        }

        .section h2 {
            font-size: 2rem;
        }
    }

    @media (min-width: 1201px) and (max-width: 1440px) {
        .grid-container {
            grid-template-columns: repeat(4, 1fr);
        }

        .section h2 {
            font-size: 2.2rem;
        }
    }

    @media (min-width: 1441px) {
        .grid-container {
            grid-template-columns: repeat(5, 1fr);
        }

        .section h2 {
            font-size: 2.5rem;
        }
    }