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

/* 基础样式 */
body {
    font-family: '微软雅黑', 'Microsoft YaHei', sans-serif;
    background-color: #f9f6f0;
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
}

/* 标题字体 */
h1, h2, h3, h4, h5, h6 {
    font-family: '华文楷体', 'STKaiti', serif;
    color: #4a6b8a;
    font-weight: bold;
}

/* 主色调定义 */
:root {
    --primary-color: #4a6b8a; /* 太湖蓝 */
    --secondary-color: #b35c5c; /* 藕荷色 */
    --background-color: #f9f6f0; /* 宣纸白 */
    --text-color: #333;
    --light-text: #666;
    --white: #fff;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(249, 246, 240, 0.95);
    box-shadow: var(--shadow);
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
    font-family: '华文楷体', 'STKaiti', serif;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

/* 下拉菜单 */
.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: var(--white);
    min-width: 200px;
    box-shadow: var(--shadow);
    z-index: 1;
    top: 100%;
    left: 0;
    border-radius: 5px;
    overflow: hidden;
}

.dropdown-content a {
    display: block;
    padding: 0.8rem 1rem;
    text-decoration: none;
    color: var(--text-color);
    transition: var(--transition);
}

.dropdown-content a:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.dropdown:hover .dropdown-content {
    display: block;
}

/* 右侧电话和语言切换 */
.nav-right {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.phone {
    font-weight: bold;
    color: var(--secondary-color);
}

.language-switch {
    display: flex;
    gap: 0.5rem;
}

.language-switch a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 0.9rem;
    transition: var(--transition);
}

.language-switch a:hover {
    color: var(--primary-color);
}

/* Hero区域 */
.hero {
    height: 100vh;
    background-image: url('https://trae-api-cn.mchost.guru/api/ide/v1/text_to_image?prompt=Wuxi%20Yuantouzhu%20cherry%20blossoms%20with%20Taihu%20Lake%20sunset%2C%20traditional%20Chinese%20landscape%2C%20ink%20painting%20style&image_size=landscape_16_9');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    position: relative;
    margin-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 0 2rem;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.service-range {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    font-size: 1rem;
}

.service-tags {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.service-tag {
    background-color: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 5px;
    font-weight: bold;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--white);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

/* 通用容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background-color: var(--secondary-color);
}

/* 服务范围卡片 */
.service-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.service-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.service-card-img {
    height: 200px;
    background-color: #eee;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--primary-color);
}

.service-card-content {
    padding: 1.5rem;
}

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.service-card p {
    color: var(--light-text);
    margin-bottom: 1.5rem;
}

.service-card a {
    display: inline-block;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.service-card a:hover {
    color: var(--secondary-color);
}

/* 热门线路 */
.tour-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.tour-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.tour-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.tour-img {
    width: 100%;
    height: 200px;
    background-color: #eee;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color);
}

.tour-content {
    padding: 1.5rem;
}

.tour-title {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.tour-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--light-text);
}

.tour-price {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

/* 核心服务 */
.core-services {
    background-color: var(--white);
    padding: 4rem 0;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.service-item {
    text-align: center;
    padding: 2rem;
    transition: var(--transition);
    border-radius: 10px;
}

.service-item:hover {
    background-color: rgba(74, 107, 138, 0.05);
    transform: translateY(-3px);
}

.service-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-item h3 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.service-item p {
    color: var(--light-text);
    font-size: 0.9rem;
}

/* 客户评价 */
.testimonials {
    background-color: rgba(74, 107, 138, 0.05);
    padding: 4rem 0;
}

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

.testimonial-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--light-text);
}

.testimonial-author {
    font-weight: bold;
    color: var(--primary-color);
}

/* 页脚 */
.footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.footer-column h3 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 5px;
}

.contact-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.contact-icon {
    font-size: 1.2rem;
    color: var(--secondary-color);
}

.social-icons {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-icon {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.social-icon:hover {
    color: var(--white);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

/* 面包屑导航 */
.breadcrumb {
    background-color: var(--white);
    padding: 1rem 0;
    margin-top: 80px;
}

.breadcrumb-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.breadcrumb-nav {
    display: flex;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.breadcrumb-nav a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

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

.breadcrumb-nav span {
    color: var(--light-text);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
    
    .nav-right {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .service-range {
        flex-direction: column;
        align-items: center;
    }
    
    .container {
        padding: 2rem 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .footer-container {
        padding: 0 1rem;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 250px;
    }
    
    .service-cards,
    .tour-cards,
    .testimonial-cards {
        grid-template-columns: 1fr;
    }
}