/* 基础重置 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #a1c4fd, #c2e9fb);
        color: #333;
        line-height: 1.6;
        padding: 20px;
    }

    header {
        text-align: center;
        padding: 50px 0;
        background: rgba(255, 255, 255, 0.2);
        backdrop-filter: blur(10px);
        border-radius: 15px;
        box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
        margin-bottom: 30px;
    }

    header h1 {
        font-size: 2.5rem;
        color: #fff;
        text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        margin-bottom: 10px;
    }

    header p {
        font-size: 1.2rem;
        color: #f0f0f0;
    }

    nav {
        display: flex;
        justify-content: center;
        gap: 20px;
        margin-bottom: 40px;
    }

    nav a {
        text-decoration: none;
        color: #fff;
        font-size: 1rem;
        padding: 10px 20px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 25px;
        transition: all 0.3s ease;
        backdrop-filter: blur(5px);
    }

    nav a:hover {
        background: rgba(255, 255, 255, 0.3);
        transform: scale(1.1);
    }

    main {
        display: grid;
        grid-template-columns: 1fr;
        gap: 30px;
    }

    @media(min-width: 768px) {
        main {
            grid-template-columns: 2fr 1fr;
        }
    }

    .content {
        background: rgba(255, 255, 255, 0.2);
        backdrop-filter: blur(10px);
        padding: 20px;
        border-radius: 15px;
        box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    }

    .content h2 {
        font-size: 2rem;
        margin-bottom: 15px;
        color: #fff;
        text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
    }

    .content h3, .content h4 {
        color: #e0e0e0;
        margin-top: 20px;
    }

    .content p {
        margin-bottom: 15px;
        color: #f0f0f0;
    }

    .content pre {
        background: rgba(0, 0, 0, 0.6);
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
    }

    .content code {
        color: #00ffcc;
        font-family: 'Courier New', Courier, monospace;
    }

    table {
        width: 100%;
        border-collapse: collapse;
        margin-top: 20px;
    }

    table, th, td {
        border: 1px solid #ccc;
    }

    th, td {
        padding: 10px;
        text-align: left;
        color: #fff;
    }

    th {
        background: rgba(255, 255, 255, 0.1);
    }

    .image-gallery {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 20px;
    }

    .image-gallery img {
        width: calc(25% - 10px);
        border-radius: 10px;
        transition: transform 0.3s ease;
    }

    .image-gallery img:hover {
        transform: scale(1.05);
    }

    aside {
        background: rgba(255, 255, 255, 0.2);
        backdrop-filter: blur(10px);
        padding: 20px;
        border-radius: 15px;
        box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
        color: #fff;
    }

    aside h3 {
        margin-bottom: 15px;
    }

    aside ul {
        list-style: none;
    }

    aside ul li {
        margin-bottom: 10px;
        position: relative;
        padding-left: 20px;
    }

    aside ul li::before {
        content: "•";
        position: absolute;
        left: 0;
        color: #00ffcc;
    }

    footer {
        text-align: center;
        margin-top: 50px;
        color: #fff;
    }

    .note {
        font-size: 1rem;
        color: #ffeb3b;
        margin-top: 20px;
    }

    /* 动画效果 */
    @keyframes aurora-move {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    .animated-background {
        background: radial-gradient(circle, rgb(255, 87, 34), transparent);
        animation: aurora-move 15s linear infinite;
    }

    /* 响应式调整 */
    @media(max-width: 480px) {
        nav {
            flex-direction: column;
            gap: 10px;
        }

        .image-gallery img {
            width: calc(50% - 10px);
        }
    }

    @media(min-width: 1024px) {
        header h1 {
            font-size: 3rem;
        }

        .content h2 {
            font-size: 2.5rem;
        }
    }