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

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

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

/* 导航栏 */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-right: 0;
}

.nav-logo h2 {
    color: #2563eb;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
}

.logo-img {
    height: 45px;
    width: 45px;
    transition: transform 0.3s ease;
}

.logo-img:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 4rem;
    justify-content: center;
    align-items: center;
    flex: 1;
    margin: 0 auto;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 700;
    font-size: 1.7rem;
    letter-spacing: 1px;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #2563eb;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background: #2563eb;
}

/* 汉堡菜单 */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* 主页banner */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    text-align: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.1)" points="0,0 0,1000 1000,800 1000,0"/></svg>');
    background-size: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    /* 深色背景遮罩层提升可读性 */
    background: rgba(0, 0, 0, 0.4);
    /* backdrop-filter: saturate(160%) contrast(108%) brightness(1.02); 移除可能造成模糊的滤镜 */
    z-index: 0; /* 降低到背景层级，确保在文字下方 */
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero h1 {
    font-size: 4rem; /* 放大标题字体 */
    font-weight: 700;
    margin-bottom: 1rem;
    opacity: 0;
    animation: fadeInUp 1s ease 0.5s forwards;
    text-shadow: 2px 4px 8px rgba(0,0,0,0.6); /* 增强阴影 */
    color: #ffffff !important; /* 改为白色，增强对比 */
}

.hero p {
    font-size: 1.5rem; /* 放大副标题字体 */
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInUp 1s ease 0.7s forwards;
    text-shadow: 1px 3px 6px rgba(0,0,0,0.5); /* 增强阴影 */
    color: #ffffff !important; /* 改为白色，增强对比 */
}

.cta-button {
    display: inline-block;
    background: #f59e0b;
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    opacity: 0;
    animation: fadeInUp 1s ease 0.9s forwards;
}

.cta-button:hover {
    background: #d97706;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(245, 158, 11, 0.4);
}

/* 页面标题 */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    padding: 120px 0 80px;
    margin-top: 70px;
}

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

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

/* 章节标题 */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #1f2937;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: #2563eb;
    border-radius: 2px;
}

/* 功能特色区域 */
.features {
    padding: 80px 0;
    background: #f8fafc;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.feature-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* 服务预览 */
.services-preview {
    padding: 80px 0;
}

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

.service-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

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

.service-content {
    padding: 2rem;
}

.service-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.service-content p {
    color: #6b7280;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-link {
    color: #2563eb;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.service-link:hover {
    color: #1d4ed8;
}

/* 客户评价 */
.testimonials {
    padding: 80px 0;
    background: #f8fafc;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.testimonial-content p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    color: #374151;
    font-style: italic;
}

.testimonial-author strong {
    color: #1f2937;
    font-weight: 600;
}

.testimonial-author span {
    color: #6b7280;
    font-size: 0.9rem;
    display: block;
    margin-top: 0.25rem;
}

/* 关于我们页面 */
.company-intro {
    padding: 80px 0;
}

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

.intro-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #1f2937;
}

.intro-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #6b7280;
    margin-bottom: 1.5rem;
}

.intro-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* 企业文化 */
.company-culture {
    padding: 80px 0;
    background: #f8fafc;
}

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

.culture-item {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.culture-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.culture-item h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.culture-item p {
    color: #6b7280;
    line-height: 1.6;
}

/* 团队展示 */
.team {
    padding: 80px 0;
}

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

.team-member {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.team-member img {
    width: 140px; /* 原 120px 调整为更大圆形展示 */
    height: 140px; /* 保持正方形以实现圆形效果 */
    border-radius: 50%;
    object-fit: cover; /* 保持比例填充 */
    object-position: top center; /* 裁剪框水平居中，垂直顶部优先显示上半部分 */
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease;
}

.team-member img:hover {
    transform: scale(1.03); /* 轻微放大交互效果 */
}

.team-member h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.position {
    color: #2563eb;
    font-weight: 600;
    margin-bottom: 1rem;
}

.team-member p {
    color: #6b7280;
    line-height: 1.5;
    font-size: 0.9rem;
}

/* 公司数据 */
.company-stats {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

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

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

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* 服务详情页面 */
.services-detail {
    padding: 80px 0;
}

.service-detail-item {
    margin-bottom: 6rem;
}

.service-detail-item.reverse .service-detail-content {
    grid-template-columns: 1fr 1fr;
}

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

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

.service-detail-item.reverse .service-detail-text {
    direction: ltr;
}

.service-detail-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #1f2937;
}

.service-detail-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #6b7280;
    margin-bottom: 2rem;
}

.service-features {
    list-style: none;
    margin-bottom: 2rem;
}

.service-features li {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
    color: #374151;
}

.service-features i {
    color: #10b981;
    margin-right: 0.75rem;
    font-size: 1.1rem;
}

.tech-stack h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    background: #e5e7eb;
    color: #374151;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.service-detail-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* 服务流程 */
.service-process {
    padding: 80px 0;
    background: #f8fafc;
}

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

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

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.process-step h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.process-step p {
    color: #6b7280;
    line-height: 1.6;
}

/* 联系我们页面 */
.contact-section {
    padding: 80px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info-section h2,
.contact-form-section h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #1f2937;
}

.contact-details {
    margin-bottom: 3rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    margin-right: 1rem;
    flex-shrink: 0;
}

.contact-text h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.contact-text p {
    color: #6b7280;
    line-height: 1.5;
}

.social-section h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

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

.social-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: #f3f4f6;
    border-radius: 10px;
    text-decoration: none;
    color: #374151;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #2563eb;
    color: white;
}

/* 联系表单 */
.contact-form {
    background: #f8fafc;
    padding: 2.5rem;
    border-radius: 15px;
}

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

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #1f2937;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    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: #2563eb;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: normal;
}

.submit-btn {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.4);
}

/* 地图区域 */
.map-section {
    padding: 80px 0;
    background: #f8fafc;
}

/* 地图选择tabs */
.map-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.map-tab {
    background: white;
    border: 2px solid #e5e7eb;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.map-tab:hover {
    border-color: #2563eb;
    color: #2563eb;
}

.map-tab.active {
    background: #2563eb;
    border-color: #2563eb;
    color: white;
}

.map-container {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-bottom: 3rem;
}

.map-iframe-container {
    position: relative;
    width: 100%;
    height: 450px;
    display: none;
}

.map-iframe-container.active {
    display: block;
}

.map-iframe-container iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 15px;
}

.map-placeholder {
    position: relative;
}

.map-placeholder img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.map-overlay {
    position: absolute;
    top: 2rem;
    left: 2rem;
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    max-width: 300px;
}

.map-info h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.map-info p {
    color: #6b7280;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.map-actions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.map-link {
    color: #2563eb;
    text-decoration: none;
    font-weight: 600;
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.map-link:hover {
    color: #1d4ed8;
}

.map-link i {
    width: 16px;
}

/* 交通指南 */
.transport-guide {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.transport-guide h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #1f2937;
    text-align: center;
}

.transport-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.transport-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 10px;
}

.transport-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.transport-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.transport-info p {
    color: #6b7280;
    line-height: 1.5;
    font-size: 0.9rem;
}

/* FAQ区域 */
.faq-section {
    padding: 80px 0;
}

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

.faq-item {
    background: white;
    border-radius: 10px;
    margin-bottom: 1rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background: #f8fafc;
}

.faq-question h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1f2937;
}

.faq-question i {
    color: #6b7280;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 1.5rem 1.5rem;
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-answer p {
    color: #6b7280;
    line-height: 1.6;
}

/* 页脚 */
.footer {
    background: #1f2937;
    color: white;
    padding: 60px 0 20px;
}

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

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

.footer-logo-img {
    height: 40px;
    width: 40px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-section h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.footer-section h4 {
    font-size: 1.2rem;
    font-weight: 600;
}

.footer-section p {
    color: #d1d5db;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

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

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

.footer-section ul li a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
}

.footer .social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #374151;
    border-radius: 50%;
    margin-right: 1rem;
    color: #d1d5db;
    transition: all 0.3s ease;
}

.footer .social-links a:hover {
    background: #2563eb;
    color: white;
}

.contact-info p {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
    color: #d1d5db;
}

.contact-info i {
    margin-right: 0.75rem;
    width: 16px;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
    color: #9ca3af;
}

/* 备案号链接样式 */
.footer-bottom a[href*="beian.miit.gov.cn"] {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom a[href*="beian.miit.gov.cn"]:hover {
    color: #d1d5db;
    text-decoration: underline;
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

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

    .hero p {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .features-grid,
    .services-grid,
    .testimonials-grid,
    .culture-grid,
    .team-grid,
    .stats-grid,
    .process-steps {
        grid-template-columns: 1fr;
    }

    .intro-content,
    .service-detail-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .service-detail-text h2 {
        font-size: 2rem;
    }

    /* 地图移动端优化 */
    .map-tabs {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }

    .map-tab {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    .map-overlay {
        position: static;
        margin-top: 1rem;
        max-width: none;
    }

    .map-iframe-container {
        height: 300px;
    }

    .transport-options {
        grid-template-columns: 1fr;
    }

    .transport-item {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .feature-card,
    .service-content,
    .testimonial-card,
    .culture-item,
    .team-member {
        padding: 1.5rem;
    }

    .contact-form {
        padding: 1.5rem;
    }
}

/* 图标优化和favicon支持 */
link[rel="apple-touch-icon"] {
    -webkit-border-radius: 20%;
    border-radius: 20%;
}

/* Logo在不同屏幕尺寸下的优化 */
@media (max-width: 768px) {
    .nav-logo img {
        width: 35px;
        height: 35px;
    }
    
    .footer-logo-img {
        width: 35px;
        height: 35px;
    }
}