/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
        color: #FFFFFF;
        overflow-x: hidden;
    }
    h1, h2, h3, h4 {
        color: #39FF14;
        text-shadow: 0px 0px 10px rgba(57, 255, 20, 0.8);
        margin: 20px 0;
    }
    p {
        line-height: 1.6;
        margin: 10px 0;
    }
    a {
        color: #9400D3;
        text-decoration: none;
    }
    a[rel="nofollow"]::after {
        content: '';
    }
    pre {
        background: #1e1e1e;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }
    code {
        color: #39FF14;
        font-family: 'Courier New', Courier, monospace;
    }
    table {
        width: 100%;
        border-collapse: collapse;
        margin: 20px 0;
    }
    th, td {
        border: 1px solid #555555;
        padding: 10px;
        text-align: left;
    }
    th {
        background: #333333;
    }
    /* 布局 */
    .container {
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 20px;
    }
    .header {
        width: 100%;
        text-align: center;
        padding: 50px 20px;
        background: linear-gradient(45deg, #2c5364, #0f2027);
    }
    .content {
        width: 90%;
        max-width: 1200px;
        margin: 20px 0;
    }
    .image-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 15px;
        margin: 20px 0;
    }
    .image-grid img {
        width: 100%;
        height: auto;
        border-radius: 10px;
    }
    .sample-article {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        margin: 40px 0;
    }
    .footer {
        width: 100%;
        text-align: center;
        padding: 20px;
        background: linear-gradient(45deg, #0f2027, #203a43);
    }
    /* 响应式 */
    @media (max-width: 320px) {
        h1 { font-size: 24px; }
        .container { padding: 10px; }
    }
    @media (max-width: 480px) {
        h1 { font-size: 28px; }
        .content { width: 95%; }
    }
    @media (max-width: 768px) {
        h1 { font-size: 32px; }
        .image-grid { grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); }
    }
    @media (max-width: 1024px) {
        h1 { font-size: 36px; }
        .image-grid { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
    }
    @media (min-width: 1200px) {
        h1 { font-size: 48px; }
    }
    @media (min-width: 1440px) {
        h1 { font-size: 56px; }
    }