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

body {
    font-family: "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: #333;
}

/* 导航栏样式 */
.main-nav {
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.logo img {
    height: 50px;
}

.main-nav ul {
    display: flex;
    list-style: none;
}

.main-nav ul li {
    margin-left: 2rem;
}

.main-nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.main-nav ul li a:hover {
    background: #f0f0f0;
    color: #e74c3c;
}

/* 主要内容区域 */
main {
    margin-top: 80px;
}

/* 英雄区域样式 */
.hero {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* 目的地卡片样式 */
.featured-destinations,
.travel-themes {
    padding: 4rem 5%;
}

h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
    color: #2c3e50;
}

.destination-grid,
.theme-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.destination-card,
.theme-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.destination-card:hover,
.theme-card:hover {
    transform: translateY(-5px);
}

.destination-card img,
.theme-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.destination-card h3,
.theme-card h3 {
    padding: 1rem;
    text-align: center;
}

.destination-card p {
    padding: 0 1rem 1rem;
    text-align: center;
    color: #666;
}

/* 页脚样式 */
footer {
    background: #2c3e50;
    color: #fff;
    padding: 3rem 5% 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #fff;
    text-decoration: none;
}

.footer-section a:hover {
    color: #e74c3c;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.destination-card,
.theme-card {
    animation: fadeIn 0.8s ease-out forwards;
}