body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    animation: fadeIn 1s ease-in-out;
    background-color: #f9f9f9;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

nav {
    background-color: #333;
    color: white;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

nav ul li {
    margin: 0 15px;
    position: relative;
}

nav ul li a {
    color: white;
    text-decoration: none;
    padding: 15px 0;
    display: block;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
}

nav ul li a:hover {
    color: #ffd700;
}

nav ul li::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #ffd700;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.3s ease;
}

nav ul li:hover::after {
    transform: scaleX(1);
}

header {
    background-color: #f4f4f4;
    text-align: center;
    padding: 150px 0;
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('image/首页背景图.png');
    background-size: cover;
    background-position: center;
    color: white;
    animation: slideDown 1s ease-in-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

header h1 {
    font-size: 4em;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

header p {
    font-size: 1.5em;
    margin-bottom: 30px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.btn {
    display: inline-block;
    background-color: #ffd700;
    color: #333;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: #ffc107;
}

main {
    padding: 50px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

section {
    margin-bottom: 50px;
    animation: fadeInUp 1s ease-in-out;
}

@keyframes fadeInUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

section h2 {
    font-size: 2.5em;
    margin-bottom: 20px;
    color: #333;
    border-bottom: 2px solid #ffd700;
    padding-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

section p {
    line-height: 1.6;
    color: #666;
}

.featured-items {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.featured-item {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    width: calc(33.333% - 20px);
    min-width: 300px;
    transition: transform 0.3s ease;
}

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

.featured-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.featured-item h3 {
    padding: 20px 20px 0;
    margin: 0;
    font-size: 1.5em;
    color: #333;
}

.featured-item p {
    padding: 10px 20px 20px;
    margin: 0;
    color: #666;
}

.featured-item .btn {
    margin: 0 20px 20px;
}

.slider {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    border-radius: 10px;
}

.slider img {
    scroll-snap-align: start;
    min-width: 100%;
    object-fit: cover;
    height: 400px;
    transition: transform 0.3s ease;
}

.slider img:hover {
    transform: scale(1.05);
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 20px 0;
    animation: fadeIn 1s ease-in-out;
}

.social-links {
    margin-top: 10px;
}

.social-links a {
    color: white;
    margin: 0 10px;
    font-size: 1.5em;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: #ffd700;
}

/* 响应式设计 */
@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        text-align: center;
    }

    nav ul li {
        margin: 5px 0;
    }

    header h1 {
        font-size: 2.5em;
    }

    header p {
        font-size: 1.2em;
    }

    .featured-item {
        width: 100%;
    }
}