/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #1e3c72, #2a5298);
        color: #ffffff;
        line-height: 1.6;
        display: flex;
        flex-direction: column;
        min-height: 100vh;
    }

    a {
        color: #ff6f61;
        text-decoration: none;
        transition: color 0.3s ease;
        rel: nofollow;
    }

    a:hover {
        color: #ff4d4d;
    }

    header {
        padding: 20px;
        text-align: center;
        background: rgba(0, 0, 0, 0.5);
    }

    header h1 {
        font-size: 36px;
        font-weight: bold;
        margin: 0;
    }

    .container {
        flex: 1;
        padding: 20px;
        max-width: 1200px;
        margin: 0 auto;
    }

    .notice {
        text-align: center;
        margin-bottom: 20px;
        font-size: 18px;
        color: #ff6f61;
    }

    article {
        background: rgba(255, 255, 255, 0.1);
        padding: 30px;
        border-radius: 10px;
        box-shadow: 0 8px 16px rgba(0,0,0,0.3);
        color: #ffffff;
    }

    article h2 {
        font-size: 32px;
        margin-bottom: 15px;
        color: #ff6f61;
    }

    article h3 {
        font-size: 24px;
        margin-top: 20px;
        margin-bottom: 10px;
    }

    article h4 {
        font-size: 20px;
        margin-top: 15px;
        margin-bottom: 10px;
    }

    article p {
        font-size: 16px;
        margin-bottom: 15px;
    }

    article pre {
        background: #2a5298;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    article code {
        font-family: 'Courier New', Courier, monospace;
        color: #ff6f61;
    }

    table {
        width: 100%;
        border-collapse: collapse;
        margin: 20px 0;
    }

    table th, table td {
        border: 1px solid #ff6f61;
        padding: 10px;
        text-align: left;
    }

    table th {
        background: #ff6f61;
        color: #ffffff;
    }

    .card-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 20px;
        margin-top: 30px;
    }

    .card {
        background: rgba(255, 255, 255, 0.2);
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 4px 8px rgba(0,0,0,0.2);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .card:hover {
        transform: translateY(-10px);
        box-shadow: 0 12px 24px rgba(0,0,0,0.3);
    }

    .card img {
        width: 100%;
        height: auto;
        display: block;
    }

    .card-content {
        padding: 15px;
        background: rgba(255, 255, 255, 0.1);
    }

    .ripple-effect {
        position: relative;
        overflow: hidden;
    }

    .ripple-effect::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        background: rgba(255, 255, 255, 0.5);
        border-radius: 50%;
        transform: translate(-50%, -50%);
        animation: ripple 0.6s ease-out;
    }

    @keyframes ripple {
        0% {
            width: 0;
            height: 0;
            opacity: 1;
        }
        100% {
            width: 200px;
            height: 200px;
            opacity: 0;
        }
    }

    /* 动态背景粒子系统 */
    .particles {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
        z-index: -1;
        background: transparent;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        header h1 {
            font-size: 32px;
        }
        article h2 {
            font-size: 28px;
        }
    }

    @media (max-width: 1200px) {
        .container {
            padding: 15px;
        }
        article {
            padding: 25px;
        }
    }

    @media (max-width: 1024px) {
        article h2 {
            font-size: 26px;
        }
        .card-grid {
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        }
    }

    @media (max-width: 768px) {
        header h1 {
            font-size: 28px;
        }
        article h2 {
            font-size: 24px;
        }
        article h3 {
            font-size: 20px;
        }
        .card-grid {
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        }
    }

    @media (max-width: 480px) {
        header h1 {
            font-size: 24px;
        }
        article h2 {
            font-size: 22px;
        }
        article h3 {
            font-size: 18px;
        }
        article p, article code {
            font-size: 14px;
        }
        .card-grid {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 320px) {
        header h1 {
            font-size: 20px;
        }
        article h2 {
            font-size: 20px;
        }
        article h3 {
            font-size: 16px;
        }
        article p, article code {
            font-size: 12px;
        }
    }

    /* 代码块样式 */
    .code-block {
        background: #2a5298;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    .code-block code {
        color: #ff6f61;
        font-family: 'Courier New', Courier, monospace;
        white-space: pre-wrap;
    }

    /* 按钮样式 */
    .button {
        background: #ff6f61;
        color: #ffffff;
        border: none;
        padding: 10px 20px;
        font-size: 16px;
        border-radius: 5px;
        cursor: pointer;
        transition: background 0.3s ease;
    }

    .button:hover {
        background: #ff4d4d;
    }

    /* 表格样式 */
    table {
        width: 100%;
        border-collapse: collapse;
        margin: 20px 0;
    }

    table th, table td {
        border: 1px solid #ff6f61;
        padding: 10px;
        text-align: left;
    }

    table th {
        background: #ff6f61;
        color: #ffffff;
    }