/* 基础样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Poppins', sans-serif;
        background: linear-gradient(135deg, #0A1F44, #7B2CBF);
        color: #ffffff;
        line-height: 1.6;
    }
    h1, h2, h3 {
        font-family: 'Roboto', sans-serif;
        color: #39FF14;
    }
    h1 {
        font-size: 48px;
        text-align: center;
        padding: 20px 0;
    }
    h2 {
        font-size: 36px;
        margin-top: 40px;
    }
    h3 {
        font-size: 28px;
        margin-top: 30px;
    }
    p {
        font-size: 18px;
        padding: 10px 20px;
    }
    pre {
        background: rgba(192, 192, 192, 0.2);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }
    code {
        font-family: 'Roboto Mono', monospace;
        color: #FF6F61;
    }
    table {
        width: 100%;
        border-collapse: collapse;
        margin: 20px 0;
    }
    table, th, td {
        border: 1px solid #39FF14;
    }
    th, td {
        padding: 10px;
        text-align: left;
    }
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 10px;
    }
    .grid-container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
        padding: 20px;
    }
    .grid-item {
        background: rgba(0, 0, 0, 0.3);
        padding: 15px;
        border-radius: 10px;
        text-align: center;
        transition: transform 0.3s, box-shadow 0.3s;
    }
    .grid-item:hover {
        transform: scale(1.05);
        box-shadow: 0 0 20px #39FF14;
    }
    img {
        width: 100%;
        height: auto;
        border-radius: 5px;
    }
    .example-article {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        margin-top: 40px;
    }
    .example-article h2 {
        color: #FF6F61;
    }
    .gradient-border {
        border: 2px solid;
        border-image-slice: 1;
        border-width: 2px;
        border-image-source: linear-gradient(45deg, #39FF14, #FF6F61);
    }
    a {
        color: #39FF14;
        text-decoration: none;
    }
    a:hover {
        text-decoration: underline;
    }
    /* 响应式设计 */
    @media (max-width: 320px) {
        h1 { font-size: 32px; }
        h2 { font-size: 24px; }
        h3 { font-size: 20px; }
        p, code { font-size: 14px; }
    }
    @media (min-width: 321px) and (max-width: 480px) {
        h1 { font-size: 36px; }
        h2 { font-size: 28px; }
        h3 { font-size: 22px; }
        p, code { font-size: 16px; }
    }
    @media (min-width: 481px) and (max-width: 768px) {
        h1 { font-size: 40px; }
        h2 { font-size: 32px; }
        h3 { font-size: 24px; }
        p, code { font-size: 17px; }
    }
    @media (min-width: 769px) and (max-width: 1024px) {
        h1 { font-size: 44px; }
        h2 { font-size: 34px; }
        h3 { font-size: 26px; }
        p, code { font-size: 18px; }
    }
    @media (min-width: 1025px) and (max-width: 1200px) {
        h1 { font-size: 46px; }
        h2 { font-size: 36px; }
        h3 { font-size: 28px; }
        p, code { font-size: 19px; }
    }
    @media (min-width: 1201px) {
        h1 { font-size: 48px; }
        h2 { font-size: 38px; }
        h3 { font-size: 30px; }
        p, code { font-size: 20px; }
    }