/* 全局样式定义 */
body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #6C5CE7, #FED330);
    color: white;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: bold;
    margin-top: 20px;
    margin-bottom: 10px;
}

p {
    font-size: 16px;
    margin-bottom: 20px;
}

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

a:hover {
    color: #FED330;
}

/* 布局与模块化设计 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.section {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    width: 100%;
    height: 100%;
}

.card {
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    padding: 20px;
    margin: 20px;
    text-align: center;
    transition: transform 0.3s ease;
}

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

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in-element {
    animation: fadeIn 1s ease-in-out forwards;
    opacity: 0;
}

.globe {
    width: 200px;
    height: 200px;
    background-image: url('https://images.gptkong.com/demo/sample1.png');
    background-size: cover;
    animation: rotate 10s infinite linear;
}

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

.button {
    background-color: #6C5CE7;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.button:hover {
    background-color: #FED330;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .section {
        height: auto;
        padding: 40px 20px;
    }

    .globe {
        width: 150px;
        height: 150px;
    }

    h1 {
        font-size: 28px;
    }

    p {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }

    .card {
        margin: 10px;
        padding: 15px;
    }

    h1 {
        font-size: 24px;
    }

    p {
        font-size: 12px;
    }
}