/* 全局样式 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Open Sans', sans-serif;
        background: linear-gradient(135deg, #0A192F, #64FFDA);
        color: #FFFFFF;
        line-height: 1.6;
        padding: 20px;
    }

    header {
        text-align: center;
        padding: 50px 20px;
        background: rgba(10, 25, 47, 0.8);
        border-radius: 10px;
        margin-bottom: 30px;
        position: relative;
        overflow: hidden;
    }

    header h1 {
        font-family: 'Roboto Mono', monospace;
        font-size: 3rem;
        color: #64FFDA;
        position: relative;
        z-index: 2;
    }

    header::before {
        content: "";
        position: absolute;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        background: radial-gradient(circle, rgba(142, 45, 226, 0.3), transparent 70%);
        animation: rotate 20s linear infinite;
        z-index: 1;
    }

    @keyframes rotate {
        from { transform: rotate(0deg); }
        to { transform: rotate(360deg); }
    }

    nav {
        display: flex;
        justify-content: center;
        gap: 20px;
        margin-top: 20px;
    }

    nav a {
        color: #64FFDA;
        text-decoration: none;
        font-size: 1.1rem;
        transition: color 0.3s ease, transform 0.3s ease;
    }

    nav a:hover {
        color: #8E2DE2;
        transform: scale(1.1);
    }

    .container {
        display: flex;
        flex-direction: column;
        gap: 40px;
    }

    section {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    }

    section h2 {
        font-family: 'Roboto Mono', monospace;
        color: #64FFDA;
        margin-bottom: 15px;
        font-size: 2rem;
    }

    section h3 {
        font-family: 'Roboto Mono', monospace;
        color: #8E2DE2;
        margin-top: 20px;
        margin-bottom: 10px;
        font-size: 1.5rem;
    }

    section p {
        font-size: 1rem;
        color: #FFFFFF;
    }

    pre {
        background: rgba(0, 0, 0, 0.5);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin: 10px 0;
    }

    code {
        font-family: 'Courier New', Courier, monospace;
        color: #64FFDA;
    }

    .card {
        background: rgba(255, 255, 255, 0.2);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
        transition: transform 0.3s ease, background 0.3s ease;
    }

    .card:hover {
        transform: scale(1.05);
        background: rgba(255, 255, 255, 0.3);
    }

    .card img {
        width: 100%;
        border-radius: 5px;
        margin-bottom: 15px;
    }

    .button {
        background: linear-gradient(45deg, #8E2DE2, #64FFDA);
        color: #FFFFFF;
        padding: 10px 20px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: background 0.3s ease, transform 0.3s ease;
        font-size: 1rem;
    }

    .button:hover {
        background: linear-gradient(45deg, #64FFDA, #8E2DE2);
        transform: scale(1.1);
    }

    footer {
        text-align: center;
        margin-top: 50px;
        font-size: 0.9rem;
        color: #FFFFFF;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        header h1 {
            font-size: 2.5rem;
        }

        section h2 {
            font-size: 1.8rem;
        }

        section h3 {
            font-size: 1.3rem;
        }
    }

    @media (max-width: 1200px) {
        .container {
            gap: 30px;
        }

        nav a {
            font-size: 1rem;
        }
    }

    @media (max-width: 1024px) {
        header {
            padding: 40px 15px;
        }

        section {
            padding: 15px;
        }
    }

    @media (max-width: 768px) {
        header h1 {
            font-size: 2rem;
        }

        .container {
            gap: 20px;
        }

        .card {
            padding: 15px;
        }
    }

    @media (max-width: 480px) {
        header h1 {
            font-size: 1.5rem;
        }

        nav {
            flex-direction: column;
            gap: 10px;
        }

        section h2 {
            font-size: 1.5rem;
        }

        .button {
            width: 100%;
            text-align: center;
        }
    }

    @media (max-width: 320px) {
        header h1 {
            font-size: 1.2rem;
        }

        section h2 {
            font-size: 1.2rem;
        }

        section p, pre, code {
            font-size: 0.9rem;
        }
    }

    /* 粒子特效 */
    .particle {
        position: absolute;
        width: 8px;
        height: 8px;
        background-color: rgba(100, 255, 218, 0.7);
        border-radius: 50%;
        animation: particle-animation 5s infinite ease-in-out;
    }

    @keyframes particle-animation {
        0% { transform: translate(-50%, -50%) scale(0); opacity: 0; }
        50% { opacity: 1; }
        100% { transform: translate(-50%, -50%) scale(1); opacity: 0; }
    }

    /* 网格背景 */
    .grid-background {
        background-image: repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(255, 255, 255, 0.1) 10px,
            rgba(255, 255, 255, 0.1) 20px
        );
    }