/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', 'Helvetica', sans-serif;
        background: linear-gradient(to bottom, #000f2f, #000000);
        color: #ffffff;
        overflow-x: hidden;
    }

    a {
        color: #39ff14;
        text-decoration: none;
    }

    a[rel="nofollow"] {
        /* 无需额外样式 */
    }

    /* 导航栏样式 */
    .navbar {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px 40px;
        background: rgba(0, 0, 0, 0.7);
        position: fixed;
        width: 100%;
        top: 0;
        z-index: 1000;
    }

    .navbar .logo {
        font-size: 24px;
        font-weight: bold;
        color: #39ff14;
    }

    .navbar ul {
        list-style: none;
        display: flex;
        gap: 20px;
    }

    .navbar ul li {
        position: relative;
    }

    .navbar ul li a {
        font-size: 16px;
        transition: color 0.3s;
    }

    .navbar ul li a:hover {
        color: #ff8c00;
    }

    /* 侧边导航栏 */
    .sidebar {
        position: fixed;
        top: 80px;
        left: 20px;
        width: 200px;
    }

    .sidebar ul {
        list-style: none;
    }

    .sidebar ul li {
        margin-bottom: 15px;
    }

    .sidebar ul li a {
        color: #39ff14;
        font-size: 14px;
        transition: color 0.3s;
    }

    .sidebar ul li a:hover {
        color: #ff8c00;
    }

    /* 右侧信息模块 */
    .info-module {
        position: fixed;
        top: 80px;
        right: 20px;
        width: 250px;
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 8px;
    }

    .info-module h4 {
        margin-top: 0;
        color: #39ff14;
    }

    .info-module .chart {
        width: 100%;
        height: 150px;
        background: url('https://images.gptkong.com/demo/sample5.png') no-repeat center/cover;
        border-radius: 4px;
    }

    /* 主内容区 */
    .main-content {
        margin: 120px 40px 40px 240px;
        padding-right: 270px;
    }

    article {
        background: rgba(255, 255, 255, 0.05);
        padding: 20px;
        border-radius: 8px;
    }

    article h2, article h3, article h4 {
        color: #39ff14;
    }

    article pre {
        background: rgba(0, 0, 0, 0.8);
        padding: 10px;
        border-radius: 4px;
        overflow-x: auto;
    }

    article code {
        color: #39ff14;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 旋转立方体 */
    .cube-container {
        perspective: 800px;
        width: 100px;
        height: 100px;
        margin: 40px auto;
    }

    .cube {
        width: 100%;
        height: 100%;
        position: relative;
        transform-style: preserve-3d;
        animation: spin 10s infinite linear;
    }

    .cube div {
        position: absolute;
        width: 100px;
        height: 100px;
        background: rgba(57, 255, 20, 0.2);
        border: 1px solid #39ff14;
    }

    .cube .front { transform: translateZ(50px); }
    .cube .back { transform: rotateY(180deg) translateZ(50px); }
    .cube .left { transform: rotateY(-90deg) translateX(-50px); }
    .cube .right { transform: rotateY(90deg) translateX(50px); }
    .cube .top { transform: rotateX(90deg) translateY(-50px); }
    .cube .bottom { transform: rotateX(-90deg) translateY(50px); }

    @keyframes spin {
        from { transform: rotateX(0deg) rotateY(0deg); }
        to { transform: rotateX(360deg) rotateY(360deg); }
    }

    /* 动态粒子特效 */
    .particles {
        position: fixed;
        width: 100%;
        height: 100%;
        background: url('https://images.gptkong.com/demo/sample3.png') repeat;
        opacity: 0.3;
        animation: moveParticles 60s linear infinite;
        z-index: -1;
    }

    @keyframes moveParticles {
        from { background-position: 0 0; }
        to { background-position: -10000px 5000px; }
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .main-content {
            margin: 120px 20px 20px 200px;
            padding-right: 220px;
        }
        .info-module {
            width: 200px;
            right: 10px;
        }
    }

    @media (max-width: 1200px) {
        .navbar {
            padding: 15px 30px;
        }
        .navbar .logo {
            font-size: 20px;
        }
        .navbar ul li a {
            font-size: 14px;
        }
    }

    @media (max-width: 1024px) {
        .sidebar {
            display: none;
        }
        .info-module {
            display: none;
        }
        .main-content {
            margin: 100px 20px 20px 20px;
            padding-right: 20px;
        }
    }

    @media (max-width: 768px) {
        article {
            padding: 15px;
        }
        .cube-container {
            width: 80px;
            height: 80px;
        }
        .cube div {
            width: 80px;
            height: 80px;
        }
    }

    @media (max-width: 480px) {
        .navbar {
            flex-direction: column;
            align-items: flex-start;
        }
        .navbar ul {
            flex-direction: column;
            gap: 10px;
        }
        .main-content {
            margin: 80px 10px 10px 10px;
        }
    }

    @media (max-width: 320px) {
        .navbar ul li a {
            font-size: 12px;
        }
    }

    /* 底部样式 */
    .footer {
        background: rgba(0, 0, 0, 0.7);
        padding: 20px 40px;
        text-align: center;
        position: fixed;
        bottom: 0;
        width: 100%;
    }

    .footer a {
        color: #39ff14;
        margin: 0 10px;
    }

    /* 提示信息 */
    .hint {
        position: fixed;
        bottom: 60px;
        left: 50%;
        transform: translateX(-50%);
        background: rgba(0, 0, 0, 0.8);
        padding: 10px 20px;
        border-radius: 20px;
        color: #ffffff;
        font-size: 14px;
    }