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

    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #6A5ACD, #FF7F50);
        color: #ffffff;
        line-height: 1.6;
        padding: 20px;
    }

    header {
        text-align: center;
        padding: 50px 0;
        background: rgba(0, 0, 0, 0.3);
        border-radius: 15px;
        backdrop-filter: blur(10px);
    }

    header h1 {
        font-family: 'Orbitron', sans-serif;
        font-size: 3em;
        margin-bottom: 20px;
        background: linear-gradient(90deg, #FFD700, #32CD32);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

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

    nav a {
        text-decoration: none;
        color: #ffffff;
        padding: 10px 20px;
        background: rgba(255, 255, 255, 0.2);
        border-radius: 25px;
        transition: background 0.3s, transform 0.3s;
    }

    nav a:hover {
        background: rgba(255, 255, 255, 0.4);
        transform: scale(1.1);
    }

    main {
        max-width: 1200px;
        margin: 40px auto;
        padding: 20px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 15px;
        backdrop-filter: blur(10px);
    }

    section {
        margin-bottom: 40px;
    }

    section h2 {
        font-family: 'Poppins', sans-serif;
        font-size: 2.5em;
        margin-bottom: 20px;
        color: #FFD700;
    }

    section p {
        font-size: 1.1em;
        margin-bottom: 20px;
    }

    .gradient-box {
        padding: 20px;
        background: linear-gradient(45deg, rgba(255, 255, 255, 0.2), rgba(0, 0, 0, 0.2));
        border-radius: 10px;
        margin-bottom: 20px;
    }

    .image-gallery {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
    }

    .image-gallery img {
        width: 320px;
        height: 320px;
        object-fit: cover;
        border-radius: 10px;
    }

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

    code {
        font-family: 'Courier New', Courier, monospace;
        color: #00FF7F;
    }

    .floating-button {
        position: fixed;
        bottom: 20px;
        right: 20px;
        background-color: #FFD700;
        border-radius: 50%;
        width: 60px;
        height: 60px;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1);
        transition: transform 0.3s;
    }

    .floating-button:hover {
        transform: scale(1.1);
    }

    .floating-button::after {
        content: '✈️';
        font-size: 2em;
    }

    footer {
        text-align: center;
        padding: 20px;
        background: rgba(0, 0, 0, 0.3);
        border-radius: 15px;
        backdrop-filter: blur(10px);
        margin-top: 40px;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        main {
            max-width: 1000px;
        }
    }

    @media (max-width: 1200px) {
        .image-gallery img {
            width: 45%;
        }
    }

    @media (max-width: 1024px) {
        nav {
            flex-direction: column;
            gap: 10px;
        }

        .image-gallery img {
            width: 100%;
        }
    }

    @media (max-width: 768px) {
        header h1 {
            font-size: 2.5em;
        }

        section h2 {
            font-size: 2em;
        }

        .floating-button {
            width: 50px;
            height: 50px;
        }
    }

    @media (max-width: 480px) {
        header {
            padding: 30px 0;
        }

        section p {
            font-size: 1em;
        }

        .image-gallery img {
            width: 100%;
            height: auto;
        }
    }

    @media (max-width: 320px) {
        header h1 {
            font-size: 2em;
        }

        nav a {
            padding: 8px 16px;
            font-size: 0.9em;
        }

        .floating-button {
            width: 40px;
            height: 40px;
        }
    }