/* 基础样式 */
body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    margin: 0;
    color: #333;
    line-height: 1.6;
}

/* 页眉样式 */
header {
    background-color: #0a2e52;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.logo-container {
    width: 85%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

nav a {
    color: white;
    text-decoration: none;
    margin-left: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
}

nav a:hover {
    color: #ffd700;
}

/* 主视觉区 */
.hero {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), 
                url('images/hero-bg.jpg') center/cover;
    height: 70vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.cta-button {
    background-color: #ff7f00;
    color: white;
    padding: 12px 30px;
    font-size: 1.1rem;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s;
}

.cta-button:hover {
    background-color: #e67100;
    transform: translateY(-2px);
}

/* 旅游套餐区块 */
.tour-packages {
    max-width: 1200px;
    margin: 3rem auto;
    padding: 0 2rem;
}

.tour-packages h2 {
    text-align: center;
    font-size: 2.2rem;
    color: #0a2e52;
    margin-bottom: 2rem;
    position: relative;
}

.tour-packages h2::after {
    content: "";
    display: block;
    width: 80px;
    height: 4px;
    background: #ff7f00;
    margin: 1rem auto 0;
}

.package-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.package-card {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.package-header {
    background: linear-gradient(to right, #0a2e52, #1a4b8c);
    color: white;
    padding: 1.2rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.package-header h3 {
    margin: 0;
    font-size: 1.3rem;
}

.toggle-btn {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: transform 0.3s;
}

.package-content {
    display: none;
    background: white;
    padding: 1.5rem;
}

.package-card.active .package-content {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}

.package-card.active .toggle-btn {
    transform: rotate(180deg);
}

.package-image {
    flex: 1;
    min-width: 300px;
}

.package-image img {
    width: 100%;
    height: auto;
    border-radius: 6px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.package-details {
    flex: 2;
    min-width: 300px;
}

.highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding: 0;
    list-style: none;
}

.highlights li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #0a2e52;
    font-weight: 500;
}

.itinerary h4 {
    color: #0a2e52;
    margin-top: 1.5rem;
    font-size: 1.1rem;
}

.itinerary ul {
    columns: 2;
    column-gap: 2rem;
    padding-left: 1.2rem;
}

.itinerary li {
    margin-bottom: 0.5rem;
    break-inside: avoid;
}

.price-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #eee;
}

.price {
    font-size: 1.5rem;
    font-weight: bold;
    color: #e63946;
}

.book-btn {
    background: #ff7f00;
    color: white;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 4px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
}

.book-btn:hover {
    background: #e67100;
    transform: translateY(-2px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .package-card.active .package-content {
        flex-direction: column;
    }
    
    .itinerary ul {
        columns: 1;
    }
    
    .price-section {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
}

@media (max-width: 576px) {
    .logo-container {
        flex-direction: column;
        text-align: center;
    }
    
    nav {
        margin-top: 1rem;
    }
    
    nav a {
        margin: 0 10px;
    }
}/* Global Styles */
:root {
    --primary-color: #0a2e52;
    --secondary-color: #ff7f00;
    --accent-color: #e63946;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --text-color: #333333;
    --text-light: #6c757d;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: #ffffff;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Header Styles */
.main-header {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 40px;
}

.main-nav ul {
    display: flex;
    gap: 2rem;
}

.main-nav a {
    font-weight: 500;
    transition: color 0.3s;
}

.main-nav a:hover {
    color: var(--secondary-color);
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), 
                url('../images/hero-bg.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    text-align: center;
    color: white;
    margin-top: 60px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.explore-button {
    display: inline-block;
    background-color: var(--secondary-color);
    color: white;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.explore-button:hover {
    background-color: #e67100;
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.3);
}

/* Featured Tours Section */
.featured-tours {
    padding: 5rem 0;
    background-color: var(--light-color);
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.section-title p {
    color: var(--text-light);
    font-size: 1.1rem;
}

.tour-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.tour-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.tour-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

.tour-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.tour-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.tour-card:hover .tour-image img {
    transform: scale(1.05);
}

.tour-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: var(--accent-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.tour-info {
    padding: 1.5rem;
}

.tour-info h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.tour-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-light);
    font-size: 0.9rem;
}

.tour-price {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--accent-color);
    margin: 1rem 0;
}

.view-tour-button {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 10px 20px;
    border-radius: 4px;
    font-weight: 500;
    transition: background-color 0.3s;
}

.view-tour-button:hover {
    background-color: #1a4b8c;
}

.view-all-container {
    text-align: center;
    margin-top: 2rem;
}

.view-all-button {
    display: inline-block;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 10px 30px;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s;
}

.view-all-button:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Footer Styles */
.main-footer {
    background-color: var(--dark-color);
    color: white;
    padding: 3rem 0 0;
}

.footer-container {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo img {
    height: 40px;
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    flex-grow: 1;
}

.footer-column {
    flex: 1;
    min-width: 200px;
}

.footer-column h4 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
}

.footer-column ul li {
    margin-bottom: 0.8rem;
}

.footer-column ul li i {
    margin-right: 0.5rem;
    width: 20px;
    text-align: center;
}

.footer-bottom {
    background-color: rgba(0,0,0,0.2);
    padding: 1rem 0;
    text-align: center;
}

.footer-bottom p {
    margin-bottom: 1rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.1);
    transition: background-color 0.3s;
}

.social-links a:hover {
    background-color: var(--secondary-color);
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .tour-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .hero {
        height: 80vh;
    }
    
    .hero-content {
        padding: 1rem;
    }
    
    .featured-tours {
        padding: 3rem 0;
    }
    
    .footer-column {
        min-width: 100%;
    }
}