@charset "utf-8";
header{
    width:100%;
}
/*................*/
.header{
    padding: 0px 0px;
    width: 100%;
    max-width:1920px;
    transition: all 0.5s;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -o-transition: all 0.5s;
    z-index: 999;
    position: relative;
    margin: 0px auto;
    border-bottom: 1px solid #e1e1e1;
}
.header .logo{
    float: left;
}
.header .logo img{
    width: auto;
    transition: all .5s;
    max-height: 80px;
    padding: 15px 0px;
}
.header .nav{   
    display: flex;
    align-items: center;
    justify-content: flex-end;
}
.header .nav>ul{
    transition: all .5s;
    display: flex;
    align-items: center;
}
.header .nav>ul>li>a{    
    display: flex;
    align-items: center;
    font-size: 1.25rem;
    padding: 15px 1.5rem;
    line-height: 50px;
    white-space: nowrap;
    transition: all 0.3s;
}
.header .nav ul li a i {  
    font-size: 1.5rem;
    font-weight: 600;
}
.header .nav>ul>li:last-child>a { padding: 15px 0rem;}
.header .show>ul>li>a{
    color: #181818;
    line-height: 1;
}
@media (max-width: 1440px){
    .header .nav>ul>li>a{
        padding: 20px 0.8rem;
    } 
}
@media (max-width: 1360px){
    .header .nav>ul>li>a{
        padding: 20px 0.7rem;
    } 
}
@media (max-width: 1280px){
    .header .nav>ul>li>a{
        padding: 20px 0.5rem;
    } 
    .header .nav ul li a span {
        margin-left: 2.5rem;
        margin-right: 1.0rem;
    }   
}
.header .nav>ul>li:hover a,.header .nav>ul>li.active a{
    color: #da251c;
}

/* 下拉 */
.header .nav>ul>li:hover .submenu{ opacity:1; visibility:visible;display: block;}
.header .nav>ul>li .submenu li:hover a,header .header.on .nav>ul>li .submenu li:hover a {opacity: 0.8;}
.header .nav>ul>li{
    position: relative;
}
.submenu {
    min-width: 260px;
    width: auto;
    background: rgba(255, 255, 255, 0.9);
    left: 50%;
    padding-top: 4px;
    border-radius: 4px;
    position: absolute;
    top: 98%;
    z-index: 100;
    display: none;
    transform: translateX(-50%);
    box-shadow: 0 0 10px 5px rgba(0, 0, 0, 0.1);
}
.submenu::before{
    content: '';
    position: absolute;
    left: 0;top: 0;
    z-index: 101;
    width: 100%;
    height: 4px;
    background: #da251c;
    transition: 0.3s all;
    -webkit-transition: 0.3s all;
    -moz-transition: 0.3s all;
    -o-transition: 0.3s all;
    -ms-transition: 0.3s all;
    border-radius: 4px 4px 0px 0px;
}
.submenu .sub-menuimg{
    display: flex;
    justify-content: flex-end;
}
.submenu .sub-menuimg li {
    display: inline-block;
    width: 20%;
    margin: 0px 1%;
    opacity: 0;
    white-space: nowrap;
    -webkit-transition:  -webkit-transform .5s;
    -moz-transition:  -moz-transform .5s;
    -ms-transition:  -ms-transform .5s;
    -o-transition:  -o-transform .5s;
    transition:  transform .5s;
    text-align: center;
}
.header .nav .submenu .sub-menuimg li a{
    font-size: 14px;
    line-height: 35px;
    text-align: center;
    display: block;
    transition: .5s;
}
.submenu .t {
    font-size: 1.375rem;
    font-weight: bold;
    line-height: 35px;
    margin-bottom: 20px;
}
.submenu .sub-menu li {
    display: block;
    opacity: 0;
    white-space: nowrap;
    text-align: center;
}
.header .nav .submenu .sub-menu li a{
    font-weight: normal;
    font-size: 1rem;
    padding: 0px 1.0rem;
    line-height: 45px;
    display: block;
    color: #181818;
    border-bottom: 1px solid #e1e1e1;
}
.header .nav .submenu .sub-menu li a:hover{
    color: #da251c;
}
.header .nav .submenu .sub-menu li:last-child a{
    border-bottom: none;
}
.header .nav>ul>li:hover .submenu li, .header .nav>ul>li:focus .submenu li {
    opacity: 1;
    -webkit-transform: none;
    -moz-transform: none;
    -ms-transform: none;
    -o-transform: none;
    transform: none;
}

@media (max-width: 992px){
    .header .logo img {
        height: 60px;
        padding: 15px 0px;
    }
    .header .nav>ul{
        display: block;
        width: 100%;
    }
    .header .nav{
        position: absolute;
        left:-100vw;        
        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 #e1e1e1;
    }
    .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{
        line-height: 42px;
        display: block;
        color: #2b2b2b;
        font-size: 1.0rem;
        padding: 0px 10px;
        border-bottom: 1px solid #e1e1e1;
    }
    .header .nav ul li a span{
        border-left: 0px solid #f8f8f8;
    } 
    .header .nav ul li.search{
        padding: 10px 10px;
    }
    .header .nav ul li.search form input{
        padding: 5px 10px;
    }
    .header .nav>ul>li .submenu{
        display: block;
        position: relative;
        box-shadow: 0 0 0px 0px rgba(0, 0, 0, 0.0);
    }
    .submenu::before{
        height: 0;
    }
    .submenu .sub-menu li{
        opacity: 1.0;
        text-align: left;
    }
    .header .nav .submenu .sub-menu li a {
        line-height: 35px;
    }

}
.more {
  display: inline-block;
  font-size: 1.125rem;
  padding: 0.85rem 4.0rem;
  border-radius: 2.5rem;
  background: #da251c;
  color: #fff;
  margin-top: 1.25rem;
}
.more:hover{  
  color: #fff;
  padding: 0.85rem 4.5rem;
  background: #c10900;
}
/* banner */
.banner{
    position: relative;
    width: 100%;
    background: #020031;
    overflow: hidden;
}
@media(max-width:991px){  
  .more {
    font-size: 1.125rem;
    padding: 0.5rem 1.5rem;
    margin-top: 0.5rem;
  }
  .more:hover{  
    color: #fff;
    padding: 0.5rem 2.0rem;
  }     
}
.common{
    padding-top: 6.25rem;
    padding-bottom: 6.25rem;
}
.commonT{
    padding-top: 3.0rem;
}
.commonB{
    padding-bottom: 3.5rem;
}
.title{
    font-size: 3.75rem;
    font-weight: 600;
    line-height: 1.0;
    position: relative;
}
.title span{
    font-size: 1.5rem;
}
.txt-info{
    width: 55%;
    text-align: center;
    font-size: 1.25rem;
    margin: 0px auto 1.5rem;
}
.about .title,.related_product .title{
    margin-bottom: 1.5rem;
}

@media (max-width: 1360px) {
  .title{
    font-size: 2.0rem;
  }  
}
@media (max-width: 1280px) {
  .title{
    font-size: 1.75rem;
  }   
}
@media (max-width:992px){
    .common{
       padding-top: 2rem;
       padding-bottom: 2rem;
    }    
    .title{
        font-size: 1.75rem;
        margin-bottom: 1.5rem;
    }
    .txt-info{
        width: 100%;
    }           
}
/*首页关于我们*/
.about{
    position: relative;
    background: #fff;
    overflow: hidden;
}
.about .about-txt,.ny-about .about-txt{ 
    margin: 0px 20px 0px 0px;
}
.about .about-txt strong,.ny-about .about-txt strong{ 
    display: block;
    margin-top: 0.75rem;
}

.about .about-img,.ny-about .about-img{
    overflow: hidden;     
    margin-bottom: 0.5rem;
}
@media (max-width: 992px){
    .about .about-txt{
       width: 100%; 
    }
}
/* 产品 */
.product {
  background: #fff;
  background-size: cover;
  position: relative;
  overflow: hidden;
}
/* 视频 */
.video{
    background-color: #fff;
    overflow: hidden;
}
.video video{
    display: block;
    width: 100%;
    object-fit: cover;
}