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

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: #fff;
    overflow-x: hidden;
}

/* 导航栏样式 */
header {
    position: fixed;
    width: 100%;
    z-index: 100;
    padding: 10px 5%;
    background-color: transparent;
    transition: all 0.3s ease;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 40px;
}

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

.menu li {
    margin-left: 30px;
    font-family: Source Han Sans-Regular;
}

.menu a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s;
}

.menu a:hover {
    color: #4fc3f7;
}

.menu li.active a {
    position: relative;
}

.menu li.active a::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: white;
}

.menu .language {
    list-style: none;
    padding-left:20px;
}

.menu .language li,
.menu .language a.noActive  {    
    color:#4fc3f7;
    text-decoration:;
}


.menu .language a.noActive:hover  {    
     color:#fff;
}
 

/* 全屏section样式 */
.fullscreen-section {
    height: 100vh;
    width: 100%;
    position: relative;
    overflow: hidden;
}

/* 首页区域样式 */
#home {
    background: url('./images/home.jpg') no-repeat center center;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.home-content {
    max-width: 800px;
    padding: 0 20px;
    animation: fadeInUp 1s ease;
}

.home-content h1 img {
    width:84%;
    margin-bottom: 20px;
}

.home-content .description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 40px;
    color:#ffffffcc
}

.experience-btn {
    background: transparent;
    color: white;
    border: 1px solid white;
    padding: 10px 40px;
    font-size: 1rem;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.experience-btn:hover {
    background: rgba(255,255,255,0.1);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 产品中心样式 */
.products-carousel {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-page {
    position: absolute;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
}
.carousel-Block{
    width: 100%;
    height: 100%;
    position: relative;
}

.carousel-content {
    max-width: 800px;
    padding: 40px; 
    animation: fadeInUp 0.8s ease;
}

.carousel-Block .page1{
    position: absolute;
    left:8%;
    bottom:14%;
}

.carousel-Block .page3{
    position: absolute;
    right:8%;
    bottom:14%;
}

.carousel-content h2 {
    font-size: 78px;
    margin-bottom: 20px;
    padding:10px 0;
    position: relative;
}

.carousel-content.page1 h2 .line-block{
    border-bottom:solid 1px #ffffff8a;
    display:inline-block;
    width:60%;
    position: absolute;
    bottom:0;
    left:0;
}

.carousel-content.page1 h2 .line-block::before{
    display: block;
    content: '';
    background-color: #0FD5DC;
    height: 3px;
    width:30%;
    position: absolute;
    top:-1px;
}

.carousel-content.page3 h2 {
    text-align: right;
}
.carousel-content.page3 h2 .line-block{
    border-bottom:solid 1px #ffffff8a;
    display:inline-block;
    width:50%;
    position: absolute;
    bottom:0;
    right:0;
}

.carousel-content.page3 h2 .line-block::after{
    display: block;
    content: '';
    background-color: #0FD5DC;
    height: 3px;
    width:30%;
    position: absolute;
    top:-1px;
    right:0;
}

.carousel-content.page3 p{
    text-align: right;
}


.carousel-content p {
    font-size: 26px;
    line-height: 2;
}

/* 第四页特殊样式 */
.carousel-page .page4-top,
.carousel-page .page4-bottom {
    display: flex;
    width: 100%;
    padding: 40px;
    border:solid 1px red;
}

.carousel-page .page4-left,
.carousel-page .page4-right {
    flex: 1;
    padding: 20px;
}

.carousel-page .page4-left h3,
.carousel-page .page4-right h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.carousel-page ul {
    list-style: none;
}

.carousel-page li {
    margin-bottom: 10px;
    font-size: 1rem;
}

.carousel-page img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

/* 合作伙伴样式 */
#partners {
    background: linear-gradient(to bottom, #10131A, #0A6786);
    display: flex;
    align-items: center;
    justify-content: center;
}

.partners-content {
    max-width: 1200px;
    padding-top:30px;    
}

.partners-content h2 {
    font-family: Alibaba PuHuiTi 2.0, Alibaba PuHuiTi 20;    
    font-size: 1.4rem; 
    line-height: 50px;
    letter-spacing: 3px;  
    text-align: center;
}

.partners-desc {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 20px;
    text-align: center;
}

.en .partners-desc {
    font-size: 11px; 
}

.logos-container {
    width: 100%;  
}

.logo-grid {
    display: flex; 
    flex-direction: column;
}

.logo-item {     
    transition: all 0.3s ease;
    margin-bottom:5px;
    text-align: center;
}

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

.logo-item img{     
    width: 85%;
    /* border:solid 1px red;  */
}

/* 轮播导航样式 */
.carousel-nav {
    position: absolute;
    width: 100%;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    z-index: 10;
    padding: 0 20px;
}

.carousel-prev,
.carousel-next {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(0,0,0,0.3);
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.carousel-prev:hover,
.carousel-next:hover {
    background: rgba(0,0,0,0.6);
    transform: scale(1.1);
}

/* 轮播指示器样式 */
.carousel-indicators {
    position: absolute;
    bottom: 30px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 10px;
    z-index: 10;
}

.carousel-indicators button {
    width: 52px;
    height: 4px;
    /* border-radius: 50%; */
    border: none;
    background: rgba(255,255,255,0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-indicators button.active {
    background: rgba(255,255,255,0.9);
    transform: scale(1.2);
}

.carousel-indicators button:hover {
    background: rgba(255,255,255,0.6);
}

/* 移除内容区域背景色 */
.carousel-content {     
    padding: 40px; 
    animation: fadeInUp 0.8s ease;
}



/* 第4页样式优化 */
.page4-carousel{
    max-width: 1200px;
    margin:auto;
}
.page4-container {
    width: 100%;
    height: 100%;
    padding: 60px 80px;
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.page4-feature,
.page4-service {
    display: flex;
    align-items: flex-start;
    gap: 60px;
    width: 100%;
}

.feature-content,
.service-content {
    flex: 1;
    transition: all 0.3s ease;
}

.feature-content:hover,
.service-content:hover {
    transform: translateY(-5px);
}

.feature-content h3, 
.service-content h3{
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 700;
    font-size: 1.8rem;
    color: #0FD5DC;
    margin-bottom: 18px; 
}

.en .feature-content h3,
.en .service-content h3{
    font-size:26px;
}


.feature-image,
.service-image {
    flex: 1.2;
    display: flex;
    justify-content: center;
    align-items: center;
}

.feature-image img,
.service-image img {
    max-width: 95%;
    height: auto;
    transition: all 0.3s ease; 
}


.feature-image img:hover,
.service-image img:hover {
    transform: translateY(-5px);
}

.feature-list,
.service-list {
    display: flex;
    flex-direction: column; 
}

.feature-item,
.service-item {
    margin-bottom: 15px;
}

.feature-item h4,
.service-item h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #3E4F6B;
    border-left:solid 4px #4fc3f7;
    padding-left:12px;
}

.en .feature-item h4,
.en .service-item h4 {
    font-size: 18px;
    margin-bottom: 12px;
}

.feature-item p,
.service-item p {
    font-size: 1rem;
    line-height: 1.8;
    color: #394C5D;
}

.en .feature-item p,
.en .service-item p {
    font-size: 14px;   
}




/* 弹窗样式 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* background-color: rgba(0,0,0,0.5);
    backdrop-filter: blur(10px); */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    width: 700px;
    background-color: rgba(199, 199, 199, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 40px;
    display: flex;    
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.modal-content .home-mp-logo{
    width: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1;
}

.modal-content .home-mp-logo img{
    width: 160px;
    height: 160px;
}

.modal-content .home-mp-desc{
    flex:2
}

.modal-content .home-mp-desc .text-item{
    margin-bottom:10px;
    text-shadow: #000 1px 1px 0;
}
.modal-content .home-mp-desc h3 {
    line-height: 2;
}

.modal-content .home-mp-desc p {
    line-height: 1.5;
    font-size:12px; 
}

/* 关于我们样式 */
.about-content{
    border-top: solid 1px #0A6786;
    width: 100%;
    height: 100%;    
    background-image: url('./images/about.jpg');
    background-size:  100% 30%; /* 宽度100% ，高度自动*/
    background-repeat: no-repeat;
}

.about-container{
    max-width: 1200px; 
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin:0 auto;
    height:100%;
}

.content-top{
    height:220px;
}

.content-bottom{
    display: flex;     
    justify-content: space-between;    
    color:#10131A;
}
.about-container .about-left{
    flex:2
}
.about-container .about-left h2{
    color:#0FD5DC;
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 30px;
}

.en .about-container .about-left h2{
    font-size: 24px;
    margin-bottom: 15px;
}

.about-container .about-left .about-desc h3{    
    font-size: 1.1rem;
    line-height: 1.6;
    color: #394E6D;
}

.en .about-container .about-left .about-desc h3{
    font-size: 1rem;
}

.about-container .about-left .about-desc p{     
    font-size: 1rem;
    color: #394E6D;
    line-height: 3;
    margin-bottom: 10px;
}

.en .about-container .about-left .about-desc p{
    font-size: 0.9rem;
    line-height: 2;
}


.about-container .about-right{
    width:450px;
    padding-top: 10px;
    flex:1
}

.about-container .about-right h3{
    line-height: 1.6;
    font-size: 1rem;
    color: #394E6D;
    margin-bottom: 20px
}

.about-right .from-item{
    display: flex;
    margin-bottom: 15px;
    justify-content: center;
}

.about-right label{
    text-align: right;
    width: 140px;
    color: #394E6D;
    line-height: 2;
}

.about-right .input-group{
    width: 300px;
}

.about-right .input-group input,
.about-right .input-group textarea{
    width: 100%;    
    height: 34px;
    border: #0FD5DC solid 0px;
    padding: 3px 10px; 
    font-size: 1rem;
    color: #394E6D;
    outline: none;
    background: #F9F9F9;
    border-radius: 8px;
}
.about-right .input-group textarea{
    height: 60px;
}

.about-right .input-group .submit-btn{
    color: #fff;
    background: #D0D0D0;
    box-shadow: 0 2px 0 rgba(5, 145, 255, 0.1);
    outline: none; 
    border: 0px solid transparent;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.645, 0.045, 0.355, 1);
    box-sizing: border-box;    
    height:42px;
}

.about-right .input-group .submit-btn:hover{
    background: #394e6d70;
     
}
/* 联系我们样式 */


.fullscreen-section.contact {
    height: auto;
}

.contact-us-content{
    width: 100%;
    height: 100%;    
    background-image: url('./images/ContactUs.jpg');
    background-size:  100% auto; /* 宽度100% ，高度自动*/
    background-repeat: no-repeat;    
    background-color: #000;
    border-top: solid 1px #0A6786;
}

.contact-us-content .contact-us-block{
    max-width: 1200px; 
    margin: 0 auto;
    padding: 220px 0; 
}
.contact-us-content .contact-us-mail{
    text-align: right; 
    color: #fff;
} 

.contact-us-content .contact-us-block h2{
    line-height: 3;
}

.contact-us-footer-block{    
    max-width: 1200px; 
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    padding: 20px 0;
}

.contact-us-footer-block .left-nav{ 
    padding-top:20px;
}
.left-nav .logo{
    margin-bottom:30px;
}
.left-nav .logo img{
    width:150px;
    height: auto;
}


.footer-menu {
    display: flex;
    list-style: none;
    margin-bottom:40px;
}

.footer-menu li {
    margin-right: 30px;
    font-size: 14px;
}

.footer-menu a {
    color: #c4c4c4;
    text-decoration: none; 
    transition: color 0.3s;
}

.footer-menu a:hover {
    color: #4fc3f7;
}

.left-nav .copyright{
    font-size: 12px;
    color:#969696;
}

.contact-us-footer-block .right-app{    
    width:300px;
    display: flex;
    flex-direction: column;  
}

.qrcode{
    align-self: flex-end;
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    width: 260px;  
}

.qrcode img{
    width: 90px;
    display: block;
    margin:auto
}

.qrcode span{
    display: block;
    line-height: 3;
    font-size: 12px; 
}

.right-app .applist{
    display: flex;
    justify-content: space-between;
}

.right-app .applist img{
    width: 32px;
    height: auto;
}



/* 通用设置，适用于所有输入框和文本域 */
::placeholder {
  color: #999;
  font-family: Arial, sans-serif;
  font-size: 14px;
  /* 其他样式属性 */
}

/* 单独设置 input 的 placeholder */
input::placeholder {
  color: #ccc;
}

/* 单独设置 textarea 的 placeholder */
textarea::placeholder {
    color: #ccc;
}