:root {
    --primary: #1e95ef;
    --primary-light: #02a7f7;
    --secondary: #00b9d5;
    --accent: #019587;
    --dark: #1a3b5d;
    --light: #f8f9fa;
    --gray: #6c757d;
    --light-bg: #f8fbfe;
    --dark-bg: #e6f4ff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Microsoft YaHei', Arial, sans-serif;
}
.cn {

}
.en {
    display: none!important;
}
body {
    background-color: #f0f8ff;
    color: #333;
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 顶部区域 */
.top-bar {
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    color: white;
    padding: 10px 0;
    font-size: 14px;
}

.top-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo img {
    height: 50px;
    margin-right: 10px;
}

.logo-text {
    font-size: 22px;
    font-weight: bold;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.slogan {
    font-size: 16px;
    font-style: italic;
    opacity: 0.9;
}

.phone {
    display: flex;
    align-items: center;
    font-size: 18px;
    font-weight: bold;
}

.phone i {
    margin-right: 8px;
    font-size: 20px;
}

/* 导航条 */
.navbar {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

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

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 20px 25px;
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--primary);
    background-color: rgba(30, 149, 239, 0.05);
}

.nav-link.active {
    color: var(--primary);
    background: linear-gradient(to bottom, transparent 90%, var(--primary) 90%);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--dark);
    margin: 3px 0;
    transition: all 0.3s ease;
    transform-origin: center;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* 移动端logo */
.mobile-logo {
    display: none;
    align-items: center;
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
}

.mobile-logo img {
    height: 35px;
    margin-right: 8px;
}

.mobile-logo-text {
    font-size: 18px;
    font-weight: bold;
    color: var(--dark);
}

/* 移动端菜单覆盖层 */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-menu-overlay.show {
    display: block;
    opacity: 1;
}

/* 移动端菜单 */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    right: -300px;
    width: 280px;
    height: 100vh;
    background: white;
    z-index: 1001;
    transition: right 0.3s ease;
    box-shadow: -5px 0 15px rgba(0,0,0,0.1);
}

.mobile-menu.show {
    display: block;
    right: 0;
}

.mobile-menu-header {
    padding: 20px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-menu-title {
    font-size: 18px;
    font-weight: bold;
    color: var(--dark);
}

.mobile-menu-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--gray);
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-nav-menu {
    list-style: none;
    padding: 20px 0;
}

.mobile-nav-item {
    border-bottom: 1px solid #f0f0f0;
}

.mobile-nav-link {
    display: block;
    padding: 15px 20px;
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: var(--primary);
    background-color: rgba(30, 149, 239, 0.05);
}

.mobile-nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary);
}

/* 移动端联系信息 */
.mobile-contact {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    padding: 20px;
    text-align: center;
}

.mobile-contact-phone {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 5px;
}

.mobile-contact-time {
    font-size: 14px;
    opacity: 0.9;
}

/* 轮播图区域 */
.swiper-container {
    height: 600px;
    width: 100%;
    position: relative;
}

.swiper-slide {
    position: relative;
    background-size: cover;
    background-position: center;
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 10%;
    transform: translateY(-50%);
    color: white;
    max-width: 600px;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}

.slide-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.8s forwards 0.5s;
}

.slide-subtitle {
    font-size: 1.5rem;
    margin-bottom: 30px;
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.8s forwards 0.7s;
}

.slide-btn {
    width: fit-content;
    display: block;
    padding: 12px 30px;
    background: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s;
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.8s forwards 0.9s;
}

.slide-btn:hover {
    background: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 产品展示区域 */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    color: var(--dark);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--primary);
}

.case-title::after {
    background: #fff;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
}

.product-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    flex-flow: wrap;
}

.tab-btn {
    padding: 12px 30px;
    margin: 10px;
    background: white;
    border: 2px solid #eaeaea;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn:hover, .tab-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(30, 149, 239, 0.3);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: all 0.4s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.product-img {
    height: 220px;
    background-color: var(--secondary);
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 185, 213, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.product-overlay-btn {
    padding: 10px 20px;
    background: white;
    color: var(--secondary);
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
}

.product-info {
    padding: 20px;
    text-align: center;
}

.product-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--dark);
}

.product-desc {
    color: var(--gray);
    font-size: 14px;
}

/* 服务模式区域 */
.services {
    background: linear-gradient(rgba(1, 149, 135, 0.9),rgba(30, 149, 239, 0.9)),  url('skin/images/photo-1518770660439-4636190af475.jpg') center/cover;
    position: relative;
}

.services-title{
    color:#fff;
}

.services-title::after{
    background:#fff;
}

.services-subtitle {
    color:#fff;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 30px;
}

.service-title {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--dark);
}

.service-desc {
    color: var(--gray);
}

/* 企业优势区域 */
.advantages {
    background-color: #fff!important;
}

.advantage-row {
    display: flex;
    align-items: center;
    margin-bottom: 60px;
}

.advantage-row:nth-child(even) {
    flex-direction: row-reverse;
}

.advantage-img {
    flex: 1;
    height: 350px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    background-position: center;
    background-size: cover;
}
.advantage-mimg {
    display: none;
}
.advantage-content {
    flex: 1;
    padding: 0 40px;
}

.advantage-number {
    font-size: 5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 20px;
    opacity: 0.2;
}

.advantage-title {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--dark);
}

.advantage-title span {
    color: var(--primary);
    display: block;
    font-size: 1.3rem;
    margin-top: 5px;
}

.advantage-desc {
    color: var(--gray);
    margin-bottom: 15px;
}

/* 公司案例区域 */
.cases {
    background: linear-gradient(rgba(30, 149, 239, 0.9), rgba(1, 149, 135, 0.9)), url('https://images.unsplash.com/photo-1497366754035-f200968a6e72?ixlib=rb-4.0.3') center/cover;
    position: relative;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.case-item {
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    height: 250px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    background-position: center;
    background-size: 100%;
}

.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(1, 149, 135, 0.85);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    color: white;
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.case-title {
    margin-bottom: 10px;
    text-align: center;
}
.case-overlay p {
    text-align: center;
}

/* 新闻资讯区域 */
.news {
    background-color: var(--light-bg);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.news-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.news-img {
    height: 200px;
    background-size: cover;
    background-position: center;
}

.news-content {
    padding: 25px;
}

.news-meta {
    display: flex;
    margin-bottom: 15px;
    font-size: 14px;
    color: var(--gray);
}

.news-category {
    background: var(--accent);
    color: white;
    padding: 3px 12px;
    border-radius: 20px;
    margin-right: 10px;
}

.news-title {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--dark);
}

.news-excerpt {
    color: var(--gray);
    margin-bottom: 20px;
}

.news-link {
    display: inline-flex;
    align-items: center;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.news-link i {
    margin-left: 5px;
    transition: transform 0.3s;
}

.news-link:hover i {
    transform: translateX(5px);
}

/* 关于我们区域 */
.about {
    background: linear-gradient(rgba(1, 149, 135, 0.9),rgba(30, 149, 239, 0.9)), url('https://images.unsplash.com/photo-1560448204-e02f11c3d0e2?ixlib=rb-4.0.3') center/cover;
}

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

.about-text {
    flex: 1;
}

.about-title {
    font-size: 2.2rem;
    margin-bottom: 20px;
    color: #fff;
}

.about-title span {
    color: #fff;
}

.about-desc {
    margin-bottom: 30px;
    color: #fff;
    text-align: justify;
}

.about-stats {
    display: flex;
    gap: 30px;
    margin-top: 40px;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 5px;
    text-shadow:
    -2px -2px 0 #fff,  
     2px -2px 0 #fff,
    -2px  2px 0 #fff,
     2px  2px 0 #fff;
}

.stat-label {
    font-size: 1rem;
    color: #fff;
}

.about-img {
    flex: 1;
    height: 400px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    background-position: center;
    background-size: 100%;
}

/* 底部区域 */
.footer {
    background: var(--dark);
    color: white;
    padding-top: 70px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col h3 {
    font-size: 1.5rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: var(--primary);
}

.contact-info {
    list-style: none;
}

.contact-info li {
    display: flex;
    margin-bottom: 15px;
}

.contact-info i {
    margin-right: 15px;
    color: var(--primary);
    font-size: 20px;
    min-width: 25px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px 15px;
    margin-bottom: 15px;
    border: none;
    border-radius: 5px;
    background: rgba(255,255,255,0.1);
    color: #333;
}

.contact-form textarea {
    height: 100px;
    resize: none;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(255,255,255,0.7);
}

.submit-btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.3s;
}

.submit-btn:hover {
    background: var(--accent);
}

.quick-links {
    list-style: none;
    columns: 2;
    column-gap: 20px;
}

.quick-links li {
    margin-bottom: 12px;
}

.quick-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: color 0.3s;
}

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

.copyright {
    background: rgba(0,0,0,0.2);
    padding: 20px 0;
    text-align: center;
    font-size: 14px;
    color: rgba(255,255,255,0.6);
}

.copyright a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    margin: 0 10px;
    transition: color 0.3s;
}

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

/* 分页 */
.pagination {
	display: inline-block;
	padding-left: 0;
	margin: 20px 0;
	border-radius: 4px;
}

.pagination > li {
	display: inline;
}

.pagination > li > a,
.pagination > li > span {
	position: relative;
	float: left;
	padding: 6px 12px;
	line-height: 1.42857;
	text-decoration: none;
	color: #337ab7;
	background-color: #fff;
	border: 1px solid #ddd;
	margin-left: -1px;
}

.pagination > li:first-child > a,
.pagination > li:first-child > span {
	margin-left: 0;
	border-bottom-left-radius: 4px;
	border-top-left-radius: 4px;
}

.pagination > li:last-child > a,
.pagination > li:last-child > span {
	border-bottom-right-radius: 4px;
	border-top-right-radius: 4px;
}

.pagination > li > a:hover, .pagination > li > a:focus,
.pagination > li > span:hover,
.pagination > li > span:focus {
	z-index: 2;
	color: #23527c;
	background-color: #eeeeee;
	border-color: #ddd;
}

.pagination > .active > a, .pagination > .active > a:hover, .pagination > .active > a:focus,
.pagination > .active > span,
.pagination > .active > span:hover,
.pagination > .active > span:focus {
	z-index: 3;
	color: #fff;
	background-color: #1e95ef;
	border-color: #1e95ef;
	cursor: default;
}
/* 响应式设计 */
@media (max-width: 1360px) {
    .container{
        max-width: 1000px;
    }
}
@media (max-width: 1136px) {
    .container{
        max-width: 960px;
    }
    .nav-link {
        padding: 20px 15px;
    }
}
@media (max-width: 992px) {
    .logo {
        display: none;
    }
    .advantage-row, .about-content {
        flex-direction: column;
    }
    
    .advantage-content {
        padding: 30px 0 0;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .cases-grid {
        grid-template-columns: auto auto;
    }
    .case-item {
        height: 150px;
    }
}

@media (max-width: 768px) {
    /* 移动端隐藏顶部区域 */
    .language-switch-btn {
        right: 60px!important;
        top: 13px!important;
    }
    .top-bar {
        display: none;
    }
    
    .top-container {
        flex-direction: column;
        text-align: center;
    }
    
    .logo {
        margin-bottom: 15px;
    }
    
    .slogan {
        margin-bottom: 15px;
    }
    
    /* 移动端导航样式 */
    .nav-container {
        justify-content: center;
        padding: 15px 0;
        min-height: 60px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .mobile-logo,
    .mobile-menu {
        display: block;
    }
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-logo {
        display: flex;
    }
    
    .nav-link {
        padding: 15px;
    }
    
    .swiper-container {
        height: 500px;
    }
    
    .slide-title {
        font-size: 2.5rem;
    }
    
    .slide-subtitle {
        font-size: 1.2rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: 70px 0;
    }
    .section-title {
        font-size: 1.8rem;
        
    }
    .page-content {
        padding: 20px 0!important;
    }
    .product-badge {
        display: none;
    }
    .advantage-row {
        display: flex;
        flex-flow: column!important;
        margin-bottom: 0;
    }
    .advantage-content {
        
    }
    .advantage-img {
        display: none;
    }
    .advantage-number {
        float: left;
        margin-right: 20px;
    }
    .advantage-mimg {
        width: 100%;
        margin: 0 auto;
        display: flex;
        justify-content: center;
        align-items: center;
        overflow: hidden;
        border-radius: 5px;
    }
    .advantage-mimg img {
        width: 100%;
        min-height: 220px;
    }
    .case-item {
        height: 120px;
    }
}

/* 动画效果 */
.wow {
    visibility: hidden;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .advantage-row, .about-content {
        flex-direction: column;
    }
    
    .advantage-content {
        padding: 30px 0 0;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-title {
        width: 96%;
        margin: 0 auto;
    }
    .about-desc {
        width: 96%;
        margin: 0 auto 30px; 
    }
    .about-stats {
        display: grid;
        width: 100%;
        margin: 0 auto;
        grid-template-columns: auto auto;
        grid-auto-flow: row;
        justify-content: space-around;
    }
}

@media (max-width: 768px) {
    /* 移动端隐藏顶部区域 */
    .top-bar {
        display: none;
    }
    
    .top-container {
        flex-direction: column;
        text-align: center;
    }
    
    .logo {
        margin-bottom: 15px;
    }
    
    .slogan {
        margin-bottom: 15px;
    }
    
    /* 移动端导航样式 */
    .nav-container {
        justify-content: center;
        padding: 15px 0;
        min-height: 60px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .mobile-logo,
    .mobile-menu {
        display: block;
    }
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-logo {
        display: flex;
    }
    
    .nav-link {
        padding: 15px;
    }
    
    .swiper-container {
        height: 500px;
    }
    
    .slide-title {
        font-size: 2.5rem;
    }
    
    .slide-subtitle {
        font-size: 1.2rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: 30px 0;
    }
    .section-header {
        text-align: center;
        margin-bottom: 15px;
    }
    .page-content {
        padding: 20px 0!important;
    }
    .tab-btn {
        padding: 6px 12px;
    }
    .product-tabs {
        margin-bottom: 20px;
    }
    .product-badge {
        display: none;
    }
}