/* 基本样式重置 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #0A2540, #FFC107);
        color: #0A2540;
        line-height: 1.6;
        padding: 20px;
    }

    header {
        text-align: center;
        padding: 50px 0;
        background: radial-gradient(circle, rgba(255, 87, 34, 0.5), transparent);
        animation: aurora-move 15s linear infinite;
    }

    header h1 {
        font-size: 3em;
        font-weight: bold;
        color: #FFFFFF;
        text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    }

    nav {
        display: flex;
        justify-content: center;
        gap: 30px;
        margin-top: 20px;
    }

    nav a {
        text-decoration: none;
        color: #FFC107;
        font-size: 1.2em;
        transition: color 0.3s ease;
    }

    nav a:hover {
        color: #E8F3FF;
    }

    .container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        padding: 40px 0;
    }

    .left-section, .right-section {
        background: #F5F5F5;
        padding: 30px;
        border-radius: 10px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }

    .left-section h2, .right-section h2 {
        color: #0A2540;
        margin-bottom: 20px;
        font-size: 2em;
    }

    .left-section p, .right-section p {
        margin-bottom: 15px;
        font-size: 1em;
    }

    .feature-section {
        margin-top: 20px;
    }

    .feature-section h3 {
        color: #FFC107;
        margin-bottom: 10px;
        font-size: 1.5em;
    }

    .feature-section pre {
        background: #E8F3FF;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        font-size: 0.9em;
        margin-bottom: 15px;
    }

    .feature-section code {
        font-family: 'Courier New', Courier, monospace;
        color: #0A2540;
    }

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

    .card {
        background: #FFFFFF;
        border-radius: 10px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        padding: 20px;
        flex: 1 1 calc(33.333% - 40px);
        min-width: 250px;
        transition: transform 0.3s ease;
    }

    .card:hover {
        transform: translateY(-10px);
    }

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

    .card h4 {
        margin-bottom: 10px;
        color: #0A2540;
        font-size: 1.2em;
    }

    .card p {
        font-size: 0.95em;
        color: #333333;
    }

    footer {
        text-align: center;
        padding: 30px 0;
        background: #0A2540;
        color: #FFFFFF;
    }

    .loading-screen {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(255, 255, 255, 0.9);
        z-index: 9999;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .loading-screen p {
        font-size: 1.2em;
        color: #0A2540;
    }

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

    @media (max-width: 1440px) {
        .card {
            flex: 1 1 calc(50% - 40px);
        }
    }

    @media (max-width: 1200px) {
        .container {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 768px) {
        nav {
            flex-direction: column;
            gap: 15px;
        }

        .card {
            flex: 1 1 100%;
        }
    }

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

        nav a {
            font-size: 1em;
        }

        .container {
            padding: 20px 0;
        }
    }

    @media (max-width: 320px) {
        .card p {
            font-size: 0.9em;
        }
    }

    /* 按钮样式 */
    .button {
        position: relative;
        display: inline-block;
        padding: 10px 20px;
        background-color: #FFC107;
        color: #FFFFFF;
        text-decoration: none;
        border-radius: 5px;
        overflow: hidden;
        transition: background-color 0.3s ease;
    }

    .button::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%);
        opacity: 0;
        transition: width 0.4s ease, height 0.4s ease, opacity 0.4s ease;
    }

    .button:hover::before {
        width: 200%;
        height: 200%;
        opacity: 1;
    }

    /* 代码块样式 */
    .code-block {
        background: #F5F5F5;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        font-family: 'Courier New', Courier, monospace;
        color: #0A2540;
        margin-bottom: 20px;
    }

    .code-block code {
        font-size: 0.9em;
    }

    /* 图标样式 */
    .icon-circle {
        width: 50px;
        height: 50px;
        background-color: #FFC107;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #FFFFFF;
        font-size: 1.2em;
        margin-bottom: 15px;
    }

    /* 提示文本样式 */
    .reference-note {
        text-align: center;
        font-size: 1em;
        color: #FFFFFF;
        margin-top: 20px;
    }