/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Microsoft YaHei', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    line-height: 1.6;
    color: #333;
}

/* 导航栏样式 */
header {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo h1 {
    color: #2c3e50;
    font-size: 1.8rem;
}

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

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

.nav-links a {
    text-decoration: none;
    color: #2c3e50;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #3498db;
}

/* 汉堡菜单 */
.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: #2c3e50;
    margin: 5px;
    transition: all 0.3s ease;
}

/* 英雄区域样式 */
#hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
                url('https://images.pexels.com/photos/466685/pexels-photo-466685.jpeg') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    padding: 0 1rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: #2980b9;
}

/* 目的地部分样式 */
#destinations {
    padding: 5rem 1rem;
    background-color: #f9f9f9;
}

#destinations h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.destination-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.destination-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

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

.destination-card h3 {
    padding: 1rem;
    color: #2c3e50;
}

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

/* 旅游套餐部分样式 */
#tours {
    padding: 5rem 1rem;
}

#tours h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.tours-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.tour-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.tour-card:hover {
    transform: translateY(-5px);
}

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

.tour-content {
    padding: 1.5rem;
}

.tour-content h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.price {
    color: #e74c3c;
    font-size: 1.2rem;
    font-weight: bold;
    margin: 1rem 0;
}

.book-button {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background-color: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.book-button:hover {
    background-color: #2980b9;
}

/* 关于我们部分样式 */
#about {
    padding: 5rem 1rem;
    background-color: #f9f9f9;
}

#about h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text ul {
    list-style-position: inside;
    margin-top: 1rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat h3 {
    font-size: 2.5rem;
    color: #3498db;
    margin-bottom: 0.5rem;
}

/* 联系我们部分样式 */
#contact {
    padding: 5rem 1rem;
}

#contact h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
}

.contact-info {
    padding: 2rem;
    background-color: #f9f9f9;
    border-radius: 10px;
}

.contact-info p {
    margin: 1rem 0;
}

.contact-info i {
    margin-right: 0.5rem;
    color: #3498db;
}

.contact-form {
    display: grid;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.contact-form textarea {
    height: 150px;
    resize: vertical;
}

.submit-button {
    padding: 1rem;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

.submit-button:hover {
    background-color: #2980b9;
}

/* 页脚样式 */
footer {
    background-color: #2c3e50;
    color: white;
    padding: 3rem 1rem 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
}

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

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

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

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    font-size: 1.5rem;
}

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

.footer-bottom p {
    margin: 0.5rem 0;
}

.footer-bottom a {
    color: white;
    text-decoration: none;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .burger {
        display: block;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .about-content,
    .contact-container {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }
}

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

.destination-card,
.tour-card,
.about-content,
.contact-container {
    animation: fadeIn 0.8s ease-out;
}