/* 蜂鸟航空科技网站样式 */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "思源黑体", "Source Han Sans", "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

a {
    text-decoration: none;
    color: #0056b3;
    transition: all 0.3s ease;
}

a:hover {
    color: #003d7a;
}

ul, ol {
    list-style: none;
}

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

/* 通用容器 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 通用部分 */
.section-header {
    text-align: center;
    margin-bottom: 20px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: #002855;
    margin-bottom: 15px;
    font-family: "Helvetica Neue", "思源黑体", sans-serif;
}

.section-header p {
    font-size: 18px;
    color: #666;
}

/* 背景颜色 */
.bg-light {
    background-color: #f8f9fa;
}

.bg-dark {
    background-color: #002855;
    color: #fff;
}

.bg-primary {
    background-color: #0056b3;
    color: #fff;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 16px;
}

.btn-primary {
    background-color: #0056b3;
    color: #fff;
}

.btn-primary:hover {
    background-color: #003d7a;
    color: #fff;
}

.btn-outline {
    background-color: transparent;
    border: 2px solid #0056b3;
    color: #0056b3;
}

.btn-outline:hover {
    background-color: #0056b3;
    color: #fff;
}

.btn-text {
    background-color: transparent;
    color: #0056b3;
    padding: 0;
}

.btn-text:hover {
    color: #003d7a;
    text-decoration: underline;
}

.btn-sm {
    padding: 8px 20px;
    font-size: 14px;
}

/* 头部导航 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo img {
    height: 50px;
}

.main-nav ul {
    display: flex;
    align-items: center;
}

.main-nav li {
    margin-left: 30px;
    position: relative;
}

.main-nav a {
    color: #333;
    font-weight: 500;
    font-size: 16px;
    padding: 10px 0;
    display: block;
}

.main-nav a:hover,
.main-nav a.active {
    color: #0056b3;
}

.dropdown {
    position: relative;
}

.dropdown-content {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #fff;
    min-width: 220px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1;
}

.dropdown:hover .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-content a {
    padding: 10px 20px;
    display: block;
    color: #333;
    font-size: 14px;
}

.dropdown-content a:hover {
    background-color: #f8f9fa;
    color: #0056b3;
}

.language-switch a {
    font-size: 14px;
    padding: 5px;
}

.language-switch a.active {
    font-weight: 700;
}

.mobile-menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: #333;
}

/* 英雄区域 */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
    margin-top: 80px;
}

.hero-slider {
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
}

.slide.active {
    opacity: 1;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: brightness(0.8);
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    max-width: 800px;
    width: 90%;
    z-index: 1;
}

.slide-content h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    font-family: "Helvetica Neue", "思源黑体", sans-serif;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.slide-content p {
    font-size: 20px;
    margin-bottom: 30px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.slider-controls {
    position: absolute;
    bottom: 30px;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
}

.prev-slide,
.next-slide {
    background-color: rgba(255, 255, 255, 0.3);
    color: #fff;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 0 15px;
}

.prev-slide:hover,
.next-slide:hover {
    background-color: rgba(255, 255, 255, 0.5);
}

.slide-indicators {
    display: flex;
    justify-content: center;
    align-items: center;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    margin: 0 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background-color: #fff;
    transform: scale(1.2);
}

/* 页面标题 */
.page-title {
    height: 300px;
    background-size: cover;
    background-position: center;
    position: relative;
    margin-top: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
}

.page-title::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 40, 85, 0.6);
}

.page-title .container {
    position: relative;
    z-index: 1;
}

.page-title h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 15px;
    font-family: "Helvetica Neue", "思源黑体", sans-serif;
}

.breadcrumb {
    font-size: 16px;
}

.breadcrumb a {
    color: #fff;
    opacity: 0.8;
}

.breadcrumb a:hover {
    opacity: 1;
}

.breadcrumb span {
    opacity: 1;
}

/* 产品展示 */
.products-showcase {
    padding: 30px 0;
}

.product-cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}

.product-card {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    flex: 0 0 calc(33.333% - 30px);
    min-width: 280px;
    max-width: 380px;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.product-image {
    height: 200px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease;
}

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

.product-info {
    padding: 20px;
}

.product-info h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #002855;
}

.product-tags {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 15px;
    gap: 8px;
}

.tag {
    background-color: #f0f4f8;
    color: #0056b3;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.product-info p {
    margin-bottom: 20px;
    color: #666;
}

/* 行业应用场景 */
.industry-applications {
    padding: 30px 0;
    background-color: #f8f9fa;
}

.application-infographic {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
}

.application-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: all 0.3s ease;
}

.application-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.application-icon {
    width: 80px;
    height: 80px;
    background-color: #e6f0ff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
}

.application-icon i {
    font-size: 36px;
    color: #0056b3;
}

.application-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #002855;
}

.application-item ul {
    text-align: left;
    padding-left: 20px;
}

.application-item ul li {
    margin-bottom: 8px;
    position: relative;
    padding-left: 15px;
    color: #666;
}

.application-item ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #0056b3;
}

/* 数据统计 */
.statistics {
    padding: 60px 0;
    background-color: #002855;
    color: #fff;
}

.stat-items {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    text-align: center;
}

.stat-item {
    padding: 20px;
    min-width: 200px;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 10px;
    color: #fff;
    font-family: "Helvetica Neue", Arial, sans-serif;
}

.stat-label {
    font-size: 18px;
    opacity: 0.9;
}

/* 合作伙伴 */
.partners {
    padding: 25px 0;
}

.partner-logos {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
}

.partner-logo {
    width: 160px;
    height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    filter: grayscale(10%);
    opacity: 0.7;
    transition: all 0.3s ease;
}

.partner-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
}

.partner-logo img {
    max-width: 100%;
    max-height: 100%;
}

/* 联系我们快捷入口 */
.contact-cta {
    padding: 80px 0;
    background-image: linear-gradient(rgba(0, 40, 85, 0.8), rgba(0, 40, 85, 0.8)), url('../images/cta-bg.webp');
    background-size: cover;
    background-position: center;
    color: #fff;
    text-align: center;
}

.cta-content h2 {
    font-size: 36px;
    margin-bottom: 15px;
    font-family: "Helvetica Neue", "思源黑体", sans-serif;
}

.cta-content p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* 页脚 */
.footer {
    background-color: #002855;
    color: #fff;
    padding-top: 60px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-logo {
    flex: 0 0 100%;
    max-width: 300px;
    margin-bottom: 30px;
}

.footer-logo img {
    height: 50px;
    margin-bottom: 15px;
}

.footer-logo p {
    opacity: 0.8;
}

.footer-links {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.footer-column {
    flex: 0 0 auto;
    margin-bottom: 30px;
    min-width: 200px;
}

.footer-column h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #fff;
}

.footer-column ul li {
    margin-bottom: 10px;
}

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
}

.footer-column ul li a:hover {
    color: #fff;
}

.contact-info li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.7);
}

.contact-info li i {
    margin-right: 10px;
    margin-top: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    opacity: 0.7;
    font-size: 14px;
}

.social-links {
    display: flex;
}

.social-links a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    margin-left: 10px;
    color: #fff;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: #0056b3;
}

.certifications {
    display: flex;
    align-items: center;
}

.certifications img {
    height: 30px;
    margin-left: 15px;
    opacity: 0.7;
}

/* 固定侧边栏 - AOG紧急联系 */
.aog-sidebar {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
}

.aog-toggle {
    background-color: #e74c3c;
    color: #fff;
    padding: 15px;
    cursor: pointer;
    border-radius: 4px 0 0 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: -2px 2px 10px rgba(0, 0, 0, 0.1);
}

.aog-toggle i {
    font-size: 24px;
    margin-bottom: 5px;
}

.aog-toggle span {
    writing-mode: vertical-lr;
    transform: rotate(180deg);
    font-weight: 600;
}

.aog-content {
    position: absolute;
    right: -300px;
    top: 0;
    width: 300px;
    background-color: #fff;
    padding: 20px;
    border-radius: 4px 0 0 4px;
    box-shadow: -2px 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.aog-sidebar:hover .aog-content {
    right: 0;
}

.aog-content h3 {
    color: #e74c3c;
    margin-bottom: 10px;
    font-size: 18px;
}

.aog-content p {
    margin-bottom: 15px;
    font-size: 14px;
    color: #666;
}

.aog-contact {
    display: flex;
    flex-direction: column;
}

.aog-phone,
.aog-email {
    display: flex;
    align-items: center;
    padding: 10px;
    background-color: #f8f9fa;
    border-radius: 4px;
    margin-bottom: 10px;
    color: #333;
    font-weight: 500;
}

.aog-phone i,
.aog-email i {
    margin-right: 10px;
    color: #e74c3c;
}

.aog-phone:hover,
.aog-email:hover {
    background-color: #e74c3c;
    color: #fff;
}

.aog-phone:hover i,
.aog-email:hover i {
    color: #fff;
}

/* 返回顶部按钮 */
#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #0056b3;
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

#back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

#back-to-top:hover {
    background-color: #003d7a;
}

/* 服务页面样式 */
.service-nav {
    padding: 20px 0;
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.service-nav-items {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.service-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 15px;
    color: #333;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

.service-nav-item:hover,
.service-nav-item.active {
    color: #0056b3;
    border-bottom-color: #0056b3;
}

.service-nav-item i {
    font-size: 24px;
    margin-bottom: 8px;
}

.service-section {
    padding: 21px 0;
}

.service-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 50px;
}

.service-content.reverse {
    flex-direction: row-reverse;
}

.service-image {
    flex: 0 0 45%;
}

.service-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.service-details {
    flex: 0 0 45%;
}

.service-details h2 {
    font-size: 32px;
    color: #002855;
    margin-bottom: 20px;
    font-family: "Helvetica Neue", "思源黑体", sans-serif;
}

.service-details p {
    margin-bottom: 25px;
    color: #666;
}

.service-features {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

@media (max-width: 767px) {
    .service-features {
        grid-template-columns: 1fr;
    }
}

.feature {
    background-color: #f8f9fa;
    padding: 25px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.feature i {
    font-size: 36px;
    color: #0056b3;
    margin-bottom: 15px;
}

.feature h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #002855;
}

.process-flow {
    margin: 40px 0;
}

.process-flow h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #002855;
}

.flow-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    flex-wrap: nowrap;
    overflow-x: auto;
}

.flow-steps::before {
    content: "";
    position: absolute;
    top: 40px;
    left: 40px;
    right: 40px;
    height: 2px;
    background-color: #e6e6e6;
    z-index: 0;
}

.flow-step {
    position: relative;
    z-index: 1;
    flex: 1;
    text-align: center;
    padding: 0 15px;
    min-width: 150px;
}

.step-number {
    width: 80px;
    height: 80px;
    background-color: #0056b3;
    color: #fff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step-content h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #002855;
}

.case-studies {
    margin-top: 40px;
}

.case-studies h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #002855;
}

.case-study {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 8px;
}

.case-icon {
    flex: 0 0 60px;
    height: 60px;
    background-color: #e6f0ff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 20px;
}

.case-icon i {
    font-size: 24px;
    color: #0056b3;
}

.case-content h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #002855;
}

.data-dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    margin: 40px 0;
}

.dashboard-item {
    display: flex;
    align-items: center;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.dashboard-icon {
    width: 60px;
    height: 60px;
    background-color: #e6f0ff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 15px;
}

.dashboard-icon i {
    font-size: 24px;
    color: #0056b3;
}

.dashboard-data .data-number {
    font-size: 28px;
    font-weight: 700;
    color: #002855;
    margin-bottom: 5px;
}

.dashboard-data .data-label {
    font-size: 14px;
    color: #666;
}

.service-process {
    margin: 40px 0;
}

.service-process h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #002855;
}

.process-steps {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    gap: 20px;
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 8px;
    position: relative;
    border-left: none;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.process-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.process-step:last-child {
    margin-bottom: 0;
}

.process-step::before {
    content: none;
}

.step-icon {
    width: 60px;
    height: 60px;
    background-color: #e6f0ff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 15px;
}

.step-icon i {
    font-size: 24px;
    color: #0056b3;
}

.step-details {
    text-align: center;
    width: 100%;
}

.step-details h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #002855;
}

.tech-highlights {
    margin: 40px 0;
}

.highlight-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.highlight-tags .tag {
    padding: 10px 15px;
    font-size: 14px;
}

.highlight-tags .tag i {
    margin-right: 8px;
    color: #0056b3;
}

.comparison-table {
    margin: 40px 0;
}

.comparison-table h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #002855;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.comparison-table th {
    background-color: #002855;
    color: #fff;
    padding: 15px;
    text-align: left;
}

.comparison-table td {
    padding: 15px;
    border-bottom: 1px solid #e6e6e6;
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table tr:nth-child(even) {
    background-color: #f8f9fa;
}

.text-success {
    color: #28a745;
}

.text-danger {
    color: #dc3545;
}

.global-supply-chain {
    margin: 40px 0;
}

.global-supply-chain h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #002855;
}

.supply-chain-map {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.map-markers {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.marker {
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: #e74c3c;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.marker::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    background-color: #fff;
    border-radius: 50%;
    opacity: 0.6;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.6;
    }
    70% {
        transform: translate(-50%, -50%) scale(2);
        opacity: 0;
    }
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0;
    }
}

.marker-tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    background-color: #fff;
    border-radius: 4px;
    padding: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1;
}

.marker:hover .marker-tooltip {
    opacity: 1;
    visibility: visible;
    bottom: calc(100% + 10px);
}

.marker-tooltip h4 {
    font-size: 16px;
    margin-bottom: 5px;
    color: #002855;
}

.marker-tooltip p {
    font-size: 14px;
    color: #666;
    margin-bottom: 0;
}

.service-modes {
    margin: 40px 0;
}

.service-modes h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #002855;
}

.mode-items {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.mode-item {
    display: flex;
    align-items: flex-start;
    background-color: #f8f9fa;
    padding: 25px;
    border-radius: 8px;
    transition: all 0.3s ease;
    height: 100%;
}

.mode-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.mode-icon {
    width: 60px;
    height: 60px;
    background-color: #e6f0ff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 20px;
    flex-shrink: 0;
}

.mode-icon i {
    font-size: 24px;
    color: #0056b3;
}

.mode-details {
    flex: 1;
}

.mode-details h4 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #002855;
}

.mode-process {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 15px;
    padding: 10px;
    background-color: #fff;
    border-radius: 4px;
    justify-content: center;
}

.mode-process span {
    padding: 5px 10px;
    background-color: #e6f0ff;
    border-radius: 4px;
    font-size: 14px;
    color: #0056b3;
}

.mode-process i {
    margin: 0 10px;
    color: #666;
}

.emergency-response {
    margin: 40px 0;
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.response-timer {
    flex: 1;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.timer-circle {
    position: relative;
    width: 200px;
    height: 200px;
    margin-bottom: 30px;
}

.timer-circle svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.timer-background {
    fill: none;
    stroke: #e6e6e6;
    stroke-width: 8;
}

.timer-progress {
    fill: none;
    stroke: #e74c3c;
    stroke-width: 8;
    stroke-dasharray: 283;
    stroke-dashoffset: 0;
    animation: timer 4s linear infinite;
}

@keyframes timer {
    0% {
        stroke-dashoffset: 283;
    }
    100% {
        stroke-dashoffset: 0;
    }
}

.timer-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.timer-number {
    font-size: 48px;
    font-weight: 700;
    color: #e74c3c;
}

.timer-label {
    font-size: 16px;
    color: #666;
}

.response-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 15px;
    margin-top: 20px;
    width: 100%;
    position: relative;
}

.response-steps::before {
    content: "";
    position: absolute;
    top: 25px;
    left: 25px;
    right: 25px;
    height: 2px;
    background-color: #e6e6e6;
    z-index: 0;
    display: none;
}

.step {
    position: relative;
    z-index: 1;
    text-align: center;
    flex: 1;
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: #e74c3c;
    color: #fff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    font-weight: 600;
    margin: 0 auto 15px;
}

.step-label {
    font-size: 14px;
    color: #666;
}

.global-service-network {
    flex: 1;
    min-width: 300px;
}

.global-service-network h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #002855;
}

.network-map {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.network-info {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background-color: rgba(0, 40, 85, 0.8);
    padding: 15px;
    border-radius: 8px;
}

.info-item {
    display: flex;
    align-items: center;
    margin: 5px 10px;
    flex: 0 0 auto;
}

.info-item i {
    margin-right: 10px;
}

.service-inquiry {
    padding: 60px 0;
    background-color: #0056b3;
    color: #fff;
    text-align: center;
}

.inquiry-content h2 {
    font-size: 36px;
    margin-bottom: 15px;
    font-family: "Helvetica Neue", "思源黑体", sans-serif;
}

.inquiry-content p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.inquiry-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.inquiry-buttons .btn-outline {
    border-color: #fff;
    color: #fff;
}

.inquiry-buttons .btn-outline:hover {
    background-color: #fff;
    color: #0056b3;
}

.terminology {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.terminology-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
    gap: 20px;
}

.term-item {
    padding: 20px;
    border: 1px solid #e6e6e6;
    border-radius: 8px;
    background-color: #f8f9fa;
    transition: all 0.3s ease;
    display: flex;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    height: 100%;
}

.term-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.term {
    flex: 0 0 120px;
    font-weight: 700;
    color: #002855;
    font-size: 18px;
}

.definition {
    flex: 1;
    color: #666;
}

.terminology-more {
    text-align: center;
    margin-top: 30px;
}

/* 关于我们页面样式 */
.about-section {
    padding: 25px 0;
}

.about-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 50px;
    margin-bottom: 30px;
}

.about-image {
    flex: 0 0 45%;
}

.about-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-text {
    flex: 0 0 45%;
}

.about-text p {
    margin-bottom: 20px;
    color: #666;
}

.company-capabilities {
    margin-bottom: 60px;
}

.company-capabilities h3 {
    font-size: 28px;
    margin-bottom: 30px;
    color: #002855;
    text-align: center;
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
}

.capability-item {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
}

.capability-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.capability-icon {
    width: 80px;
    height: 80px;
    background-color: #e6f0ff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
}

.capability-icon i {
    font-size: 36px;
    color: #0056b3;
}

.capability-data .data-number {
    font-size: 36px;
    font-weight: 700;
    color: #002855;
    margin-bottom: 10px;
}

.capability-data .data-label {
    font-size: 16px;
    color: #666;
}

.certifications {
    margin-bottom: 60px;
}

.certifications h3 {
    font-size: 28px;
    margin-bottom: 30px;
    color: #002855;
    text-align: center;
}

.cert-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
}

.cert-item {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.cert-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.cert-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.cert-image-400px {
    height: 400px;
}

.cert-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease;
}

.cert-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 40, 85, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: all 0.3s ease;
}

.cert-item:hover .cert-overlay {
    opacity: 1;
}

.cert-zoom {
    width: 50px;
    height: 50px;
    background-color: #fff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #002855;
    font-size: 20px;
    transform: scale(0);
    transition: all 0.3s ease 0.1s;
}

.cert-item:hover .cert-zoom {
    transform: scale(1);
}

.cert-title {
    padding: 15px;
    text-align: center;
    font-weight: 600;
    color: #002855;
}

.company-location {
    margin-bottom: 60px;
}

.company-location h3 {
    font-size: 28px;
    margin-bottom: 30px;
    color: #002855;
    text-align: center;
}

.location-content {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.location-map {
    flex: 1;
    min-width: 300px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.location-info {
    flex: 1;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.info-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.info-item i {
    width: 40px;
    height: 40px;
    background-color: #e6f0ff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 15px;
    font-size: 18px;
    color: #0056b3;
    flex-shrink: 0;
}

.info-content h4 {
    font-size: 18px;
    margin-bottom: 5px;
    color: #002855;
}

.info-content p {
    color: #666;
    margin-bottom: 5px;
}

.commitment-section {
    padding: 25px 0;
}

.core-values {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.value-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.value-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.value-icon {
    width: 80px;
    height: 80px;
    background-color: #e6f0ff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
}

.value-icon i {
    font-size: 36px;
    color: #0056b3;
}

.value-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #002855;
}

.value-item p {
    color: #666;
}

.customer-testimonials {
    margin-bottom: 30px;
    position: relative;
}

.customer-testimonials h3 {
    font-size: 28px;
    margin-bottom: 30px;
    color: #002855;
    text-align: center;
}

.testimonial-slider {
    position: relative;
    overflow: hidden;
}

.testimonial-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin: 0 15px;
}

.testimonial-content {
    margin-bottom: 20px;
    font-style: italic;
    color: #666;
}

.testimonial-content p {
    position: relative;
    padding: 0 20px;
}

.testimonial-content p::before,
.testimonial-content p::after {
    content: '"';
    font-size: 30px;
    color: #0056b3;
    position: absolute;
}

.testimonial-content p::before {
    left: 0;
    top: 0;
}

.testimonial-content p::after {
    right: 0;
    bottom: 0;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 15px;
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-info h4 {
    font-size: 18px;
    margin-bottom: 5px;
    color: #002855;
}

.author-info p {
    font-size: 14px;
    color: #666;
}

.testimonial-controls {
    display: flex;
    justify-content: center;
    margin-top: 30px;
}

.prev-testimonial,
.next-testimonial {
    width: 40px;
    height: 40px;
    background-color: #0056b3;
    color: #fff;
    border: none;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    margin: 0 10px;
    transition: all 0.3s ease;
}

.prev-testimonial:hover,
.next-testimonial:hover {
    background-color: #003d7a;
}

.social-responsibility {
    margin-bottom: 60px;
}

.social-responsibility h3 {
    font-size: 28px;
    margin-bottom: 30px;
    color: #002855;
    text-align: center;
}

.responsibility-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.responsibility-item {
    display: flex;
    align-items: flex-start;
    background-color: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.responsibility-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.responsibility-icon {
    width: 60px;
    height: 60px;
    background-color: #e6f0ff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 20px;
    flex-shrink: 0;
}

.responsibility-icon i {
    font-size: 24px;
    color: #0056b3;
}

.responsibility-content h4 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #002855;
}

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

.join-us {
    padding: 80px 0;
    background-image: linear-gradient(rgba(0, 40, 85, 0.8), rgba(0, 40, 85, 0.8)), url('../images/join-us-bg.webp');
    background-size: cover;
    background-position: center;
    color: #fff;
    text-align: center;
}

.join-content h2 {
    font-size: 36px;
    margin-bottom: 15px;
    font-family: "Helvetica Neue", "思源黑体", sans-serif;
}

.join-content p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

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

.contact-info-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
}

.info-card {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.card-icon {
    width: 80px;
    height: 80px;
    background-color: #e6f0ff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
}

.card-icon i {
    font-size: 36px;
    color: #0056b3;
}

.info-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #002855;
}

.info-card p {
    color: #666;
    margin-bottom: 5px;
}

.contact-form-section {
    padding: 80px 0;
}

.contact-form-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.form-header {
    text-align: center;
    margin-bottom: 30px;
}

.form-header h2 {
    font-size: 28px;
    margin-bottom: 10px;
    color: #002855;
}

.contact-form {
    width: 100%;
}

.form-row {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    flex: 1;
    min-width: 250px;
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
}

.form-group .required {
    color: #e74c3c;
}

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    color: #333;
    transition: all 0.3s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
select:focus,
textarea:focus {
    border-color: #0056b3;
    box-shadow: 0 0 0 2px rgba(0, 86, 179, 0.2);
    outline: none;
}

select {
    appearance: none;
    background-image: url('data:image/svg+xml;utf8,<svg fill="%23333" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/><path d="M0 0h24v24H0z" fill="none"/></svg>');
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 20px;
}

textarea {
    resize: vertical;
    min-height: 120px;
}

.form-checkbox {
    display: flex;
    align-items: center;
}

.form-checkbox input[type="checkbox"] {
    margin-right: 10px;
}

.form-checkbox label {
    margin-bottom: 0;
}

.form-submit {
    text-align: center;
    margin-top: 30px;
}

.global-offices {
    padding: 80px 0;
}

.offices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
}

.office-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.office-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.office-icon {
    width: 60px;
    height: 60px;
    background-color: #e6f0ff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
}

.office-icon i {
    font-size: 24px;
    color: #0056b3;
}

.office-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #002855;
}

.office-item p {
    color: #666;
    margin-bottom: 5px;
}

.careers-section {
    padding: 80px 0;
}

.careers-content {
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
}

.careers-text {
    flex: 1;
    min-width: 300px;
}

.careers-text p {
    margin-bottom: 20px;
    color: #666;
}

.careers-benefits {
    margin-top: 30px;
}

.careers-benefits h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #002855;
}

.careers-benefits ul {
    padding-left: 0;
}

.careers-benefits ul li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.careers-benefits ul li i {
    color: #28a745;
    margin-right: 10px;
}

.job-openings {
    flex: 1;
    min-width: 300px;
}

.job-openings h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #002855;
}

.job-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.job-item {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 15px;
}

.job-title {
    font-weight: 600;
    color: #002855;
}

.job-location,
.job-type {
    color: #666;
    font-size: 14px;
}

.job-more {
    margin-top: 20px;
    text-align: center;
    color: #666;
}

.job-more a {
    color: #0056b3;
    font-weight: 500;
}

.faq-section {
    padding: 28px 0;
}

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

.faq-item {
    margin-bottom: 20px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.faq-question {
    background-color: #fff;
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question h3 {
    font-size: 18px;
    color: #002855;
    margin: 0;
}

.faq-question i {
    color: #0056b3;
    transition: all 0.3s ease;
}

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

.faq-answer {
    background-color: #f8f9fa;
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 20px;
    max-height: 1000px;
}

.faq-answer p {
    color: #666;
    margin: 0;
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeIn {
    animation: fadeIn 1s ease forwards;
}

/* 打印样式 */
@media print {
    .header,
    .footer,
    .aog-sidebar,
    #back-to-top {
        display: none;
    }

    body {
        font-size: 12pt;
    }

    a {
        text-decoration: none;
        color: #000;
    }

    .container {
        width: 100%;
        max-width: none;
        padding: 0;
    }

    .page-title {
        height: auto;
        margin-top: 0;
        padding: 20pt 0;
        color: #000;
    }

    .page-title::before {
        display: none;
    }
}