/* 基础样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto Mono', monospace;
        background: linear-gradient(135deg, #000824, #4c007d, #7f8c8d);
        color: #ffffff;
        line-height: 1.6;
    }

    h1, h2, h3 {
        font-family: 'Exo 2', sans-serif;
        color: #ff6f00;
    }

    h1 {
        font-size: 2.5rem;
        text-align: center;
        margin: 20px 0;
    }

    h2 {
        font-size: 2rem;
        margin-top: 40px;
    }

    h3 {
        font-size: 1.5rem;
        margin-top: 30px;
    }

    p {
        font-size: 1rem;
        margin: 15px 0;
    }

    pre {
        background: rgba(255, 255, 255, 0.1);
        padding: 15px;
        border-radius: 5px;
        overflow: auto;
    }

    code {
        font-family: 'Roboto Mono', monospace;
        color: #00ffea;
    }

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

    .grid {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
    }

    .grid-item {
        flex: 1 1 calc(33.333% - 40px);
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .grid-item {
            flex: 1 1 calc(33.333% - 40px);
        }
    }

    @media (max-width: 1200px) {
        .grid-item {
            flex: 1 1 calc(50% - 40px);
        }
    }

    @media (max-width: 768px) {
        .grid-item {
            flex: 1 1 100%;
        }
    }

    @media (max-width: 480px) {
        h1 {
            font-size: 2rem;
        }

        h2 {
            font-size: 1.75rem;
        }

        h3 {
            font-size: 1.25rem;
        }

        p {
            font-size: 0.9rem;
        }
    }

    /* 图片样式 */
    img {
        width: 100%;
        height: auto;
        border-radius: 10px;
    }

    /* 链接样式 */
    a {
        color: #00ffea;
        text-decoration: none;
    }

    a:hover {
        text-decoration: underline;
    }

    /* 提示样式 */
    .reference {
        background: rgba(255, 255, 255, 0.1);
        padding: 15px;
        border-left: 5px solid #ff6f00;
        margin: 20px 0;
    }

    /* 动画效果 */
    .icon:hover {
        transform: scale(1.2) rotate(10deg);
        transition: transform 0.3s ease-in-out;
    }

    .typing-effect {
        overflow: hidden;
        white-space: nowrap;
        border-right: .15em solid orange;
        animation: typing 2s steps(30, end), blink-caret .75s step-end infinite;
    }

    @keyframes typing {
        from { width: 0; }
        to { width: 100%; }
    }

    @keyframes blink-caret {
        from, to { border-color: transparent; }
        50% { border-color: orange; }
    }