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

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

/* 头部导航 */
.header {
    background: linear-gradient(135deg, #2c5aa0 0%, #1e3a8a 100%);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo h1 {
    color: #fff;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.logo span {
    color: rgba(255,255,255,0.8);
    font-size: 0.9rem;
    font-weight: 300;
}

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

.nav-menu a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

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

/* 页面头部 */
.page-header {
    background: linear-gradient(135deg, #2c5aa0 0%, #1e3a8a 100%);
    color: #fff;
    text-align: center;
    padding: 4rem 0;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, #2c5aa0 0%, #1e3a8a 100%);
    color: #fff;
    text-align: center;
    padding: 6rem 0;
}

.hero-content h2 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 3rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.8;
}

/* 通用标题样式 */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #333;
    font-weight: 700;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* 特色功能区域 */
.features {
    padding: 5rem 0;
    background: #f8f9fa;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: #fff;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* 服务预览区域 */
.services-preview {
    padding: 5rem 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-item {
    background: #fff;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.service-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.service-item p {
    color: #666;
    line-height: 1.6;
}

.cta {
    text-align: center;
    margin-top: 3rem;
}

/* 公司信息区域 */
.company-info {
    padding: 5rem 0;
    background: #f8f9fa;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.info-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.info-content p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.image-placeholder {
    background: linear-gradient(135deg, #2c5aa0 0%, #1e3a8a 100%);
    color: #fff;
    height: 300px;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 1.2rem;
}

.image-placeholder span {
    font-weight: 600;
    margin-bottom: 1rem;
}

/* 关于我们页面样式 */
.company-intro {
    padding: 5rem 0;
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.company-stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #2c5aa0;
}

.stat-label {
    font-size: 0.9rem;
    color: #666;
}

/* 企业文化 */
.company-culture {
    padding: 5rem 0;
    background: #f8f9fa;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.culture-item {
    background: #fff;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.culture-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2c5aa0;
}

.culture-item p {
    color: #666;
    line-height: 1.6;
}

/* 发展历程 */
.development-history {
    padding: 5rem 0;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 3rem auto 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #2c5aa0;
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 3rem;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 3rem;
    text-align: left;
}

.timeline-date {
    background: #2c5aa0;
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    display: inline-block;
    margin-bottom: 1rem;
    font-weight: 600;
}

.timeline-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.timeline-content p {
    color: #666;
}

/* 团队介绍 */
.team-intro {
    padding: 5rem 0;
    background: #f8f9fa;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.team-member {
    background: #fff;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.member-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2c5aa0 0%, #1e3a8a 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: #fff;
    font-weight: 600;
}

.team-member h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.member-title {
    color: #2c5aa0;
    font-weight: 600;
    margin-bottom: 1rem;
}

.team-member p {
    color: #666;
    line-height: 1.6;
}

/* 资质证书 */
.certificates {
    padding: 5rem 0;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.cert-item {
    background: #fff;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    border-left: 4px solid #2c5aa0;
}

.cert-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.cert-item p {
    color: #666;
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

/* 业务介绍页面样式 */
.services-overview {
    padding: 3rem 0;
    text-align: center;
}

.service-detail {
    padding: 5rem 0;
}

.service-detail:nth-child(even) {
    background: #f8f9fa;
}

.service-item-large {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.service-detail.reverse .service-item-large {
    direction: rtl;
}

.service-detail.reverse .service-content {
    direction: ltr;
}

.service-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.service-content p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.service-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #666;
}

.feature-icon {
    font-size: 1.2rem;
}

.service-stats {
    display: flex;
    gap: 2rem;
}

.service-stats .stat {
    text-align: left;
}

.service-stats .stat-number {
    font-size: 1.8rem;
    color: #2c5aa0;
}

.service-stats .stat-label {
    font-size: 0.9rem;
    color: #666;
}

/* 其他服务 */
.additional-services {
    padding: 5rem 0;
    background: #f8f9fa;
}

.service-card {
    background: #fff;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.service-card p {
    color: #666;
    line-height: 1.6;
}

/* 服务流程 */
.service-process {
    padding: 5rem 0;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #2c5aa0 0%, #1e3a8a 100%);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.step h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.step p {
    color: #666;
    line-height: 1.6;
}

/* 联系我们页面样式 */
.contact-info {
    padding: 5rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-card {
    background: #fff;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.contact-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contact-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.contact-detail {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2c5aa0;
    margin-bottom: 0.5rem;
}

.contact-time {
    color: #666;
    font-size: 0.9rem;
}

/* 公司地址 */
.company-address {
    padding: 5rem 0;
    background: #f8f9fa;
}

.address-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.address-info h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.address-detail {
    margin-bottom: 2rem;
}

.address-detail p {
    margin-bottom: 0.5rem;
    color: #666;
    line-height: 1.6;
}

.transport-info h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #333;
}

.transport-info p {
    margin-bottom: 0.5rem;
    color: #666;
    line-height: 1.6;
}

.map-placeholder {
    background: linear-gradient(135deg, #2c5aa0 0%, #1e3a8a 100%);
    color: #fff;
    height: 300px;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
}

.map-placeholder span {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.map-placeholder p {
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

/* 分支机构 */
.branch-offices {
    padding: 5rem 0;
}

.branches-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.branch-office {
    background: #fff;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    border-left: 4px solid #2c5aa0;
}

.branch-office h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.branch-office p {
    color: #666;
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

/* 营业时间 */
.business-hours {
    padding: 5rem 0;
    background: #f8f9fa;
}

.hours-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.hours-item {
    background: #fff;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.hours-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.hours-item p {
    color: #666;
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

/* 联系表单 */
.contact-form {
    padding: 5rem 0;
}

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

.contact-form-content {
    background: #fff;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e1e5e9;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2c5aa0;
}

.form-submit {
    text-align: center;
}

/* 社交媒体 */
.social-media {
    padding: 5rem 0;
    background: #f8f9fa;
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.social-item {
    background: #fff;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.social-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.social-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.social-item p {
    color: #666;
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.qr-placeholder {
    width: 120px;
    height: 120px;
    background: #f0f0f0;
    border: 2px dashed #ccc;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 1rem auto 0;
    color: #999;
    font-size: 0.9rem;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #2c5aa0 0%, #1e3a8a 100%);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(44, 90, 160, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #2c5aa0;
    border: 2px solid #2c5aa0;
}

.btn-secondary:hover {
    background: #2c5aa0;
    color: #fff;
    transform: translateY(-3px);
}

/* 页脚 */
.footer {
    background: #2c3e50;
    color: #fff;
    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 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #fff;
}

.footer-section p {
    color: #bdc3c7;
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
}

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

.footer-bottom a:hover {
    color: #2c5aa0;
}

/* 新增页脚样式 */
.page-footer {
    background: #1a1a1a;
    color: #999;
    padding: 2rem 0;
    border-top: 1px solid #333;
    font-size: 0.9rem;
    line-height: 1.6;
}

.page-footer .w-1000 {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

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

.page-footer a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-footer a:hover {
    color: #2c5aa0;
}

.page-footer img {
    vertical-align: middle;
    margin: 0 5px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-content h2 {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 2rem;
    }
    
    .info-grid,
    .intro-grid,
    .address-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .service-item-large {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: 3rem !important;
        text-align: left !important;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .features-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form-content {
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
}