@charset "utf-8";
header{
    width:100%;
}
/*................*/
.header{
    padding: 45px 0px 0px;
    width: 100%;   
    transition: all 0.5s;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -o-transition: all 0.5s;
    z-index: 999;
    position: fixed;
    margin: 0px auto;
}
.header.on{
    background: #fff;
    padding: 15px 0px;
}
.header .logo{
    float: left;
}
.header .logo img{
    width: auto;
    transition: all .5s;
    max-height: 45px;
}
.header .logo img:last-child{
    display: none;
}
.header.on .logo img:last-child{
    display: block;
}
.header.on .logo img:first-child{
    display: none;
}
.header .nav{    
    padding: 0px 0px;
    float: right;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}
.header .nav>ul{
    transition: all .5s;
    position: relative;
}
.header .nav>ul>li{
    display: inline-block;
    position: relative;
    padding: 0px 1.0rem;
}
.header .nav>ul>li>a{
    position: relative;
    display: block;
    color: #fff;
    font-size: 1.25rem;    
    line-height: 45px;
    white-space: nowrap;
    transition: all 0.3s;
}
.header.on .nav>ul>li>a{   
    color: #181818;
}
.header .nav>ul>li>a>b{
    display: block;
    height: 3px;
    width:100%;
    background:#008080;
    position: absolute;
    left:0;
    bottom: 0px;
    transform: rotateY(90deg);
    -webkit-transform: rotateY(90deg);
    -o-transform: rotateY(90deg);
    transition: all .5s;
    -webkit-transition: all .5s;
    -o-transition: all .5s;
}
.header .nav>ul>li:hover a>b,.header .nav>ul>li.active a b{
    transform: rotateY(0);
    -webkit-transform: rotateY(0);
    -o-transform: rotateY(0);
}
@media (max-width: 1440px){
    .header .nav>ul>li {
        padding: 0px 0.8rem;
    } 
}
@media (max-width: 1360px){
    .header .nav>ul>li {
        padding: 0px 0.7rem;
    } 
}
@media (max-width: 1280px){
    .header .nav>ul>li {
        padding: 0px 0.5rem;
    }    
}
.header .nav>ul>li.active a.navlink{
    color: #008080;
}
.header .nav>ul>li:hover,.header .nav>ul>li.active:hover {
    background-color: #008080;
}
.header .nav>ul>li:hover a.navlink,.header .nav>ul>li.active:hover a.navlink{   
    color: #fff;
}
/* 下拉 */
.header .nav>ul>li:hover .submenu{ 
    opacity: 1; 
    visibility: visible;
    /* 回到正常位置（保持水平居中，消除垂直偏移） */
    transform: translateX(-50%) translateY(0); 
    height: auto;
    overflow: hidden;
    z-index: 999;
}

/* 2. 悬停时，显示内部的 li 子项 */
.header .nav>ul>li:hover .submenu li {
    opacity: 1;
    transform: translateY(0);   
    transition-delay: 0.1s;   
}
.submenu {    
    min-width: 280px;
    width: auto;
    background: rgba(255, 255, 255, 0.8);
    left: 50%;    
    position: absolute;
    top: 100%;       
    transform: translateX(-50%);    
    opacity: 0;    
    visibility: hidden;
    height: 0px;
    /* 稍微向下偏移 10px，营造从上往下的滑动感 */
    transform: translateX(-50%) translateY(10px); 
    transition: all 0.4s ease-in-out; /* 0.4秒的平滑过渡 */
    overflow: hidden;
}
.submenu .sub-menu{
    padding: 2.0rem 1.5rem;
    border-radius: 4px;
    background: #ECEEF2;
    box-shadow: 0 0 10px 5px rgba(0, 0, 0, 0.1);
}
.submenu.li1 {    
    min-width: 700px;      
}
.submenu.li2 {    
    min-width: 280px;      
}
.submenu .t {
    font-size: 1.125rem;
    font-weight: bold;
}
.submenu .sub-menu li {
    width: 100%;
    display: block;
    text-align: center;       
    white-space: nowrap;   
}
.submenu.li1 .sub-menu{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.submenu.li1 .sub-menu li {
    width: 47%;
    text-align: left;
}
.header .nav .submenu .sub-menu li a{
    font-weight: normal;
    font-size: 1rem;
    line-height: 35px;
    display: block;
    color: #181818;   
    border-bottom: 1px solid #e1e4e7;    
}
.header .nav .submenu .sub-menu li p a:hover{padding-left: 10px}
.header .nav .submenu .sub-menu li a:hover{
    color: #008080;
}

/*分享按钮*/
.header .nav>ul>li.tel,.header .nav>ul>li.mail ,.header .nav>ul>li.langauge ,.header .nav>ul>li.search {
    padding: 0px 0.2rem;
 }
 .header .nav>ul>li.tel:hover,.header .nav>ul>li.mail:hover ,.header .nav>ul>li.langauge:hover ,.header .nav>ul>li.search:hover {
    background-color: transparent;
 }
 .header .nav>ul>li.tel:hover a,.header .nav>ul>li.mail:hover a,.header .nav>ul>li.langauge:hover a,.header .nav>ul>li.search:hover a,
 .header.on .nav>ul>li.tel a,.header.on .nav>ul>li.mail a,.header.on .nav>ul>li.langauge a,.header.on .nav>ul>li.search a{
    color: #008080;
 }
.header .nav>ul li i{  
    margin-right: 5px;
    font-size: 1.25rem;
}
.langauge ul {
    position: absolute;
    display: block;
    right: 0;
    top: calc(100% + 1px);
    opacity: 0;
    visibility: hidden;
    transition: all .5s;
    padding: 10px 10px;
    background-color: #fff;
    border: 1px solid #e5e5e5;
    z-index: 9;
}
#lang_ul li {   
    position: relative;   
    background-color: #fff;    
}
#lang_ul li a{
    display: block;
    line-height: 45px;
    padding: 0px 5px;
    color: #2b2b2b;
}
#lang_ul li a:hover{
    color: #0078d7;
}
.langauge:hover ul {
    opacity: 1;
    visibility: visible;
}
#lang_ul li .er-box{
    width: 100px;
    height: 100px;
    background: #fff;
    transition: all 0.3s;
}
@media (max-width: 992px){
    .header .logo img {
        height: 60px;
        padding: 10px 0px;
    }
    .header .nav>ul{
        width: 100%;
        display: block;
    }
    .header .nav{
        position: absolute;
        left:-100%;        
        width:100%;
        height:calc(100vh - 60px);
        background:#fff;
        z-index:999;
        transition: all 0.5s;
        -webkit-transition: all 0.5s;
        -o-transition: all 0.5s;
        padding-top:20px;
        border-top: 1px solid #f8f8f8;
    }
    .header .nav.show{
        left:0;
        top: 60px;
        transition: all 0.5s;
        -webkit-transition: all 0.5s;
        -o-transition: all 0.5s;
        align-items: flex-start;
        justify-content: flex-start;
        align-content: flex-start;
    }
    .header .nav ul li{
        display: block;
        padding:0 10px;
        width: 100%;
        margin-left: 0px;
    }
    .header .nav ul li a,.header .nav>ul.shareicon>li>form{
        line-height: 45px;
        display: block;
        color: #2b2b2b;
        font-size: 16px;
        padding: 0px 10px;
        border-bottom: 1px solid #f8f8f8;
    }
    .shareicon i, .shareicon a{
        color: #2b2b2b;
    }
    .header .nav>ul.shareicon>li>a,.header .nav>ul.shareicon>li>form{
        padding: 20px 1.0rem;
    }
    .header .nav>ul>li:hover .submenu,.submenu{
        display: none;
    }
 
    ul.shareicon li a .er-box {
        position: relative;       
        width: 100px;
        height: 100px;
        opacity: 1.0;
        padding: 5px;
        margin-left: 25px;
        margin-top: -20px;
    }    
}
/* banner */
.banner{
    position: relative;
    width: 100%;
    background: #020031;
    overflow: hidden;
}
.banner video{
    display: block;
    object-fit: fill;
    width: 100%;
    height: 100vh;
}
.banner .banner-txt{
    width: 100%;
    position: absolute;
    bottom: 26%;
    left: 0%;
    color: #fff;     
    z-index: 9; 
    font-size: 1.75rem;
}
.banner .banner-txt h3{ 
  font-size: 1.5rem;
  font-weight: 600; 
}
.banner .banner-txt h3 span{ 
  line-height: 1.4;     
  font-size: 3.75rem;   
  display: block;
}
@media(max-width:1299px){
    .banner .banner-txt h3{
        font-size: 1.35rem;
    }
    .banner .banner-txt h3 span{
        font-size: 3.5rem;       
    }
}
@media(max-width:991px){  
  .banner .banner-txt h3{
    font-size: 1.0rem;
  }  
  .banner .banner-txt h3 span{ 
    font-size: 1.8rem;
    width: 100%;
  }      
}
@media(max-width:768px){
    .banner .banner-txt h3 {
        font-size: 1.125rem;
    }
    .banner .banner-txt h3 span{
        font-size: 1.5rem;
        width: 100%;
    } 
}
.comm{
    padding-top: 6rem;
    padding-bottom: 6rem;
}
.ny-comm{
    padding-top: 3rem;
    padding-bottom: 3rem;
}
.commonT{
    padding-top: 5rem;
}
.commonB{
    padding-bottom: 3.5rem;
}
.title{
    position: relative;
    font-size: 1.25rem;
    line-height: 1.2;
    margin-bottom: 2rem;
}
.title span{
    display: block;
    font-weight: 600;
    font-size: 2.5rem;
    color: #008080;
}
.com-txt{
    font-size: 1.125rem;
    margin-bottom: 3.5rem;
}
.more-link{
    float: right;
    font-size: 1.25rem;
    font-weight: 600;   
    color: #181818;
    display: inline-block;
}
.more-link img{
    margin-left: 0.5rem;
}
@media (max-width: 1360px) {
  .title span{
    font-size: 2.0rem;
  }  
}
@media (max-width: 1280px) {
  .title span{
    font-size: 1.75rem;
  } 
  .title p{
    font-size: 1.25rem;
  } 
}
@media (max-width:992px){
    .comm,.ny-comm{
       padding-top: 2rem;
       padding-bottom: 2rem;
    }
    .commonT{
        padding-top: 1.5rem;
    }
    .commonB{
        padding-bottom: 1.5rem;
    }
    .title span{
        font-size: 1.5rem;
    }
    .title p{
        font-size: 1.125rem;
    }
    .more-link{
        white-space: nowrap;
        font-size: 0.875rem;  
    }       
}
/*首页关于我们*/
.about{
    position: relative;
    background: #fff;
    overflow: hidden;
}
.about .about-txt{
    font-size: 1.125rem;
    text-align: justify;
    padding-right: 10%;
}
.about .about-img{
    overflow: hidden;
    position: absolute;
    width: 50%;
    height: 100%;
    top: 0;
    right: 0;
}
.about .about-img img{
    width: 100%;
    height: 100%;
    transition: all 0.5s;
}
.about .about-img:hover img{
    transform: scale(1.1);
}
@media (max-width: 992px){
    .about .about-txt{
        font-size: 1.0rem;
        padding-right: 0%;
    }
    .about .about-img{
        overflow: hidden;
        position: relative;
        width: 100%;
        height: 100%;
        top: 0;
        right: 0;
    }
}
.product{
 background-color: #f7f7f7;
}
.swiper-box{ 
    position: relative;
}
.product .swiper-button-prev,
.ny-manufacture .swiper-button-prev{
    left: -40px;
}
.product .swiper-button-next,
.ny-manufacture .swiper-button-next{
    right: -40px;
}

.ny-honor .swiper-button-prev,
.ny-partner .swiper-button-prev{
    left: -30px;
}
.ny-honor .swiper-button-next,
.ny-partner .swiper-button-next{
    right: -30px;
}

.product .swiper-button-prev, .product .swiper-button-next,
.news .swiper-button-prev, .news .swiper-button-next,
.ny-manufacture .swiper-button-prev, .ny-manufacture .swiper-button-next {    
    background: rgba(255,255,255,0.6);
    box-shadow: 2px 7px 30px 10px rgba(0,0,0,0.2);
    border: 2px solid #d9d9d9;
    width: 85px;
    color: #b9b9b9;
    text-align: center;
    height: 85px;
    line-height: 85px;
    border-radius: 50%;
    margin-top: -42px;
    transition: all 0.3s;
}
.product .swiper-button-prev i, .product .swiper-button-next i,
.news .swiper-button-prev i, .news .swiper-button-next i,
.ny-manufacture .swiper-button-prev i, .ny-manufacture .swiper-button-next i{
   font-size: 30px;
}
.product .swiper-button-prev:hover, .product .swiper-button-next:hover,
.news .swiper-button-prev:hover, .news .swiper-button-next:hover,
.ny-manufacture .swiper-button-prev:hover, .ny-manufacture .swiper-button-next:hover{
    background: rgba(0,128,128,0.6);   
    border: 2px solid #008080;
    color: #fff;
}

@media (max-width: 992px){
    .product .swiper-button-prev,
    .ny-manufacture .swiper-button-prev,
    .ny-honor .swiper-button-prev,
    .ny-partner .swiper-button-prev{
        left: 0px;
    }
    .product .swiper-button-next,
    .ny-manufacture .swiper-button-next,
    .ny-honor .swiper-button-next,
    .ny-partner .swiper-button-next{
        right: 0px;
    }
    .product .swiper-button-prev, .product .swiper-button-next,
    .news .swiper-button-prev, .news .swiper-button-next,
    .ny-manufacture .swiper-button-prev, .ny-manufacture .swiper-button-next {        
        box-shadow: 2px 3px 10px 5px rgba(0,0,0,0.2);        
        width: 35px;       
        height: 35px;
        line-height: 35px;        
        margin-top: -16px;
    }
    .product .swiper-button-prev i, .product .swiper-button-next i,
    .news .swiper-button-prev i, .news .swiper-button-next i,
    .ny-manufacture .swiper-button-prev i, .ny-manufacture .swiper-button-next i{
        font-size: 20px;
    }
}

/* 解决方案 */
.solution{
    overflow: hidden;
    position: relative;
    padding: 2.5rem 0;
}
.solution .more-link{
    color: #008080;
}
.solution .sol-title{
    font-size: 1.75rem;
    font-weight: 600;
    line-height: 1.0;
    border-left: 5px solid #008080;
    padding-left: 10px;
    margin-bottom: 1.0rem;
}
.solution .sol-img{
    border-radius: 10px;
    overflow: hidden;
}
.solution .sol-img img,.solution ul li .solution-img img{    
    transition: all 0.6s;
}
.solution .sol-img:hover img,.solution ul li .solution-img:hover img{
    transform: scale(1.1);
    -webkit-transform: scale(1.1);
    -o-transform: scale(1.1);
}
.solution .sol-txt{    
    margin: 1.0rem 0;
}
.solution ul li{
    width: 22%;    
    position: relative;    
}
.solution ul li .solution-img{
    border-radius: 10px;
    background-color: #fff;
    text-align: center;
    overflow: hidden;
    padding: 1.5rem 1.5rem;
    margin-right: 1.0rem;
}
.solution ul li .solution-img img{
    width: auto;
    max-width: 100%;
    max-height: 50px;
}
@media (min-width: 1800px){
    .solution ul li .solution-img img{ 
        max-height: 70px;
    }
}
.solution ul li:last-child{
    flex: 1;
    position: relative;
}
.solution ul{
    margin-bottom: 1.0rem;
}
.solution ul:last-child{   
    position: relative;
    margin-bottom: 0rem;
}
.solution .row{    
    flex-direction: row;
}

.solution.line2{
    border-top: 1px solid #e2e1e1;
}
.solution.line2 .row{
    flex-direction: row-reverse;
}
.solution ul li h5{
    font-size: 1.375rem;
} 

@media (max-width: 992px){
  .solution ul li h5{
    font-size: 1.125rem;
  }  
}
/* 选择 */
.choose{
    background: #fff;
    position: relative;
}
.choose .title{
    width: 80%;
}
.choose .title,.choose .title span{
    color: #fff;
}
.choose:before{
    content: '';
    background:url('../img/choose.jpg') no-repeat top center;    
    width: 100%;
    height: 80%;
    position: absolute;
    top: 0;
    left: 0; 
    z-index: 0;   
}
.choose ul li{
    width: 24%;
    position: relative;
    z-index: 1;
    font-size: 1.125rem;
    background-color: #fff;
    padding: 2.0rem 1.5rem;
    box-shadow: 2px 7px 30px 10px rgba(0,0,0,0.2);
}
.choose ul li i{
    font-size: 3.5rem;
    color: #008080;
}
.choose ul li h5{
    font-size: 1.875rem;
    font-weight: bold;
    margin: 2.5rem 0 1.0rem;
    padding-bottom: 1.0rem;
    border-bottom: 1px solid #000;
}
/* 新闻 */
.news {
   background-color: #f6f6f6;
   overflow: hidden;
}
.news .news-item{
    background: #fff;
    border-radius: 10px;
    padding: 1.5rem;
    margin: 0.5rem 0;
    overflow: hidden;
    transition: all linear 0.3s;
}
.news .news-item .news-img {
    width: 45%;
    height: 200px;
    overflow: hidden;    
}
.news .news-item .news-img img {
    width: 100%;    
}
.news .news-item .news-time{
    width: 100px;
    font-weight: 600;
    line-height: 1.1;
    font-size: 1.125rem;  
}
.news .news-item .news-time span{
    display: block; 
    font-size: 1.875rem;  
}
.news .news-item .news-info{
    width: calc(100% - 100px);
    padding: 0 1.5rem;
}
.news .news-item .news-info h5{
    font-size: 1.25rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap; 
}
.news .news-item .news-intro {
    font-size: 1.125rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 3;
   
    -webkit-box-orient: vertical;
    margin: 1.0rem 0.0rem;
}
.news .news-item:hover{
    background: url(../img/category.jpg) no-repeat center #008080;
    background-size: 100% 100%;
    color: #fff;   
}
@media (max-width:992px) {
    .news .news-item{        
        padding: 1.0rem;
        margin: 0.5rem 0;       
    }
}