/* 基础样式 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #0A1F44, #6C5CE7, #BDBDBD);
        background-size: 200% 200%;
        animation: gradientAnimation 15s ease infinite;
        color: #ffffff;
        line-height: 1.6;
        padding: 20px;
    }

    @keyframes gradientAnimation {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    h1, h2, h3, h4, h5, h6 {
        font-family: 'Montserrat', sans-serif;
        color: #FFD700;
        margin-bottom: 20px;
    }

    h1 {
        font-size: 3em;
        text-align: center;
        margin-top: 20px;
        text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    }

    h2 {
        font-size: 2.5em;
        margin-top: 40px;
        text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
    }

    h3 {
        font-size: 2em;
        margin-top: 30px;
        color: #FFD700;
    }

    p {
        font-size: 1.1em;
        margin-bottom: 20px;
        color: #FFFFFF;
    }

    a {
        color: #FFD700;
        text-decoration: none;
        transition: color 0.3s;
    }

    a:hover {
        color: #BDBDBD;
    }

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

    .banner {
        position: relative;
        width: 100%;
        height: 400px;
        background: radial-gradient(circle, rgba(10,31,68,1) 0%, rgba(108,92,231,1) 100%);
        display: flex;
        align-items: center;
        justify-content: center;
        color: #FFD700;
        text-shadow: 2px 2px 5px rgba(0,0,0,0.7);
        animation: aurora-move 15s linear infinite;
    }

    @keyframes aurora-move {
        0% { background: radial-gradient(circle, rgba(10,31,68,1) 0%, rgba(108,92,231,1) 100%); }
        50% { background: radial-gradient(circle, rgba(108,92,231,1) 0%, rgba(189,189,189,1) 100%); }
        100% { background: radial-gradient(circle, rgba(10,31,68,1) 0%, rgba(108,92,231,1) 100%); }
    }

    .features {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
        margin-top: 40px;
    }

    .feature-card {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        position: relative;
        overflow: hidden;
        transition: transform 0.3s, box-shadow 0.3s;
    }

    .feature-card:hover {
        transform: scale(1.05) rotate(1deg);
        box-shadow: 0px 10px 20px rgba(0, 0, 0, 0.5);
    }

    .feature-card img {
        width: 100%;
        height: auto;
        border-radius: 10px;
        margin-bottom: 15px;
    }

    .feature-card h3 {
        margin-bottom: 10px;
        color: #FFD700;
    }

    .feature-card p {
        color: #FFFFFF;
    }

    pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        font-family: 'Courier New', Courier, monospace;
        color: #FFD700;
    }

    code {
        color: #FFD700;
    }

    .demo-section {
        margin-top: 50px;
    }

    .demo-section h2 {
        text-align: center;
        margin-bottom: 30px;
    }

    .demo-content {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        max-height: 600px;
        overflow-y: auto;
    }

    .particle-effect {
        position: absolute;
        width: 5px;
        height: 5px;
        background-color: #FFD700;
        border-radius: 50%;
        animation: particleMovement 5s infinite;
    }

    @keyframes particleMovement {
        0% { transform: translate(0, 0); }
        50% { transform: translate(100px, -100px); }
        100% { transform: translate(0, 0); }
    }

    .loader {
        width: 50px;
        height: 50px;
        border: 5px solid #6C5CE7;
        border-top-color: transparent;
        border-radius: 50%;
        animation: spin 1s linear infinite;
        margin: 20px auto;
    }

    @keyframes spin {
        0% { transform: rotate(0deg); }
        100% { transform: rotate(360deg); }
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        h1 {
            font-size: 2.5em;
        }
        .banner {
            height: 300px;
        }
    }

    @media (max-width: 1200px) {
        .features {
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        }
    }

    @media (max-width: 1024px) {
        .banner {
            height: 250px;
        }
        h1 {
            font-size: 2em;
        }
    }

    @media (max-width: 768px) {
        .features {
            grid-template-columns: 1fr;
        }
        h1 {
            font-size: 1.8em;
        }
    }

    @media (max-width: 480px) {
        h1 {
            font-size: 1.5em;
        }
        .banner {
            height: 200px;
        }
    }

    @media (max-width: 320px) {
        h1 {
            font-size: 1.2em;
        }
        .feature-card {
            padding: 15px;
        }
    }