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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 动画效果 */
@keyframes pulse {
    0% {
        transform: translateX(-50%) scale(1);
    }
    50% {
        transform: translateX(-50%) scale(1.05);
    }
    100% {
        transform: translateX(-50%) scale(1);
    }
}

/* 固定侧边栏联系方式 */
.fixed-contact {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    z-index: 999;
    max-width: 250px;
    font-size: 0.9rem;
}

.fixed-contact h4 {
    color: #667eea;
    margin-bottom: 1rem;
    text-align: center;
    font-size: 1.1rem;
}

.fixed-contact p {
    margin-bottom: 0.5rem;
    color: #333;
}

.fixed-contact .work-time {
    font-size: 0.8rem;
    color: #666;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #eee;
}

/* 导航栏样式 */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.nav-logo h2 {
    color: #667eea;
    font-size: 1.5rem;
}

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

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #667eea;
}

/* 主要内容样式 */
main {
    margin-top: 80px;
}

/* 首页横幅 */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.features {
    max-width: 800px;
    margin: 0 auto;
}

.feature-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    margin: 0.5rem 0;
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

/* 服务部分 */
.services {
    background: white;
    padding: 4rem 0;
}

.services h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 1rem;
    color: #333;
}

.section-subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

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

.service-card {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* 地区服务 */
.regions {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    padding: 4rem 0;
}

.regions h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 2rem;
    color: #333;
}

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

.region-item {
    background: rgba(255, 255, 255, 0.8);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    color: #333;
    transition: transform 0.3s ease;
}

.region-item:hover {
    transform: scale(1.05);
}

/* 优势部分 */
.advantages {
    background: white;
    padding: 4rem 0;
}

.advantages h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 3rem;
    color: #333;
}

.advantages-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.advantage-item {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 12px;
    transition: transform 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-5px);
}

.advantage-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

/* 项目展示 */
.recent-projects {
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    padding: 4rem 0;
}

.recent-projects h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 3rem;
    color: #333;
}

.projects-list {
    display: grid;
    gap: 1.5rem;
}

.project-item {
    background: rgba(255, 255, 255, 0.9);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #667eea;
    transition: transform 0.3s ease;
}

.project-item:hover {
    transform: translateX(5px);
}

.project-item h4 {
    color: #667eea;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

/* 交易流程 */
.process-flow {
    background: white;
    padding: 4rem 0;
}

.process-flow h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 3rem;
    color: #333;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.process-step {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
}

.step-number {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    font-weight: bold;
}

/* 支付方式 */
.payment-methods {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    padding: 4rem 0;
}

.payment-methods h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 2rem;
    color: #333;
}

/* 客户评价图片 */
.customer-reviews-images {
    background: white;
    padding: 4rem 0;
}

.customer-reviews-images h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 3rem;
    color: #333;
}

.review-images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 4rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
}

.review-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.review-image:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

/* 联系预览 */
.contact-preview {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.contact-preview h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.contact-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem 2rem;
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

/* 页脚 */
.footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-section h3 {
    margin-bottom: 1rem;
    color: #3498db;
}

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

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

.footer-section a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #3498db;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 1rem;
    text-align: center;
    color: #bdc3c7;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 1rem;
    }
    
    .regions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-list {
        grid-template-columns: 1fr;
    }
    
    .fixed-contact {
        right: 10px;
        max-width: 200px;
        font-size: 0.8rem;
    }
    
    .review-images-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 1rem;
        padding: 1rem;
    }
    
    .review-image {
        height: 150px;
    }
}

@media (max-width: 480px) {
    .regions-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-content h1 {
        font-size: 1.5rem;
    }
    
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .fixed-contact {
        display: none;
    }
}

/* 页面特定样式 */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
    margin-top: 80px;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.page-content {
    background: white;
    padding: 4rem 0;
}

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

.pricing-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s ease;
}

.pricing-card:hover {
    transform: scale(1.05);
}

.price {
    font-size: 2rem;
    font-weight: bold;
    margin: 1rem 0;
    color: #ffd700;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.team-member {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
}

.reviews-grid {
    display: grid;
    gap: 2rem;
    margin: 2rem 0;
}

.review-item {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid #667eea;
}

.review-author {
    font-weight: bold;
    color: #667eea;
    margin-top: 1rem;
}