.grid2{
    display: grid !important;
    grid-template-columns: repeat(2,1fr);
    gap: 20px;
}

.newnav-title{
    
    width: 100%;
    position: fixed;
    height: 60px;
    z-index: 100;
}
.newnav-title ul{
    display: flex;
    height: 60px;
    line-height: 60px;
    justify-content: end;
    border-bottom: solid 1px rgb(255 255 255 / 15%);
    
}
.newnav-title ul li{
   border-right: solid 1px rgb(255 255 255 / 15%);
   padding: 0 35px;
}
.newnav-title ul li:hover{
    background: #00B2B2;
}
.newnav-title ul li a{
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}
.newnav-title ul li a img{
    filter: brightness(0) invert(1);
}
.newnav-title ul li a .more-icon{
    margin-left: 10px;
    transform: rotate(90deg);
}
.newnav-title ul li a .download-icon{
    margin-right: 10px;
}
.newnav-title ul li:first-child{
    border-left: solid 1px rgb(255 255 255 / 15%);
}
.newnav-title ul{
   position: relative;
   background-color: #00b2b3;
}
.newnav-title ul:after{
   
   content: '';
   height: 60px;
   width: 60px;
   
}
.n-scroll{
    background-color: #fff;
    z-index: 100;
}
.n-scroll ul{
    border-bottom: solid 1px #E5E5E5;
}

.n-scroll ul li{
   border-right: solid 1px #E5E5E5;
}
.n-scroll ul li:hover{
    background: #00B2B2;
    
}
.n-scroll ul li a{
    color: #282828 ;
}
.n-scroll ul li:hover a{
    color: #fff ;
}
.n-scroll ul li a img{
    filter: inherit;
}
.n-scroll ul li:hover a img{
    filter: brightness(0) invert(1);
}

header {
    height: 120px;
    height: 85px;
    position: fixed;
    /*top: 0;*/
    top: 60px;
    left: 0;
    width: 100%;
    z-index: 999;
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
    -webkit-transition: all 0.4s;
    -o-transition: all 0.4s;
    transition: all 0.4s;
}

header.scroll {
    height: 80px;
}

header.scroll .right .nav li .sub {
    top: 80px;
}

header.scroll .right .lan .sub:before {
    background: #000;
}

header.scroll .right .lan .sub a {
    color: #000;
    opacity: 1;
}

header.scroll .right .nav li>a:before {
    bottom: -15px;
}

header * {
    color: #fff;
}

header .logo {
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: start;
    -ms-flex-pack: start;
    -webkit-justify-content: flex-start;
    justify-content: flex-start;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
    margin-left: 3%;
}

header .logo img {
    max-height: 40px;
}

header .logo img.on {
    display: none;
}

header .right {
    width: calc(97% - 250px);
    height: 100%;
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: end;
    -ms-flex-pack: end;
    -webkit-justify-content: flex-end;
    justify-content: flex-end;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}

header .right .nav {
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: start;
    -ms-flex-pack: start;
    -webkit-justify-content: flex-start;
    justify-content: flex-start;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
    height: 100%;
}

header .right .nav li {
    margin-right: 84px;
    height: 100%;
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}

header .right .nav li>a {
    position: relative;
    white-space: nowrap;
    line-height: 50px;
    font-size: 18px;
}
header .right .nav li>a:hover{
    color: #01b2b3;
}

header .right .nav li>a:before {
    content: '';
    width: 0;
    height: 2px;
    position: absolute;
    left: 0;
    bottom: -35px;
    bottom: -17px;
    background: #01b2b3;
    -webkit-transition: all 0.4s;
    -o-transition: all 0.4s;
    transition: all 0.4s;
}

header .right .nav li>a:hover:before {
    width: 100%;
}
header .right .nav li>a.on:before{
    background: #fff;
    width: 100%;
}
header.on{
    top: 0;
}
header.on .right .nav li>a.on:before{
    background: #01b2b3;
}
header .right .nav li>a.on:hover:before,
header.scroll .right .nav li>a.on:before{
    background: #01b2b3;
}

header .right .nav li i {
    display: none;
}

header .right .nav li .sub {
    position: absolute;
    left: 0%;
    top: 120px;
    top: 85px;
    width: 100%;
    height: 0;
    background: #f1fafa;
    text-align: center;
    padding: 0;
    overflow: hidden;
    -webkit-transition: all 0.4s;
    -o-transition: all 0.4s;
    transition: all 0.4s;
}

/*产品新下沉导航*/


header .right .nav li .sub .subproduct{
    background-color: #fff;
}
header .right .nav li .sub .propanel .top {
  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: space-between;
  justify-content: space-between;
  padding-bottom:40px;
  border-bottom: solid 1px #E5E5E5;
}
header .right .nav li .sub .propanel .top .title {
  font-size: 24px;
  color: #282828;
}
header .right .nav li .sub .propanel .bottom {
    display: flex;
  padding: 40px 0 0px 0;
}
header .right .nav li .sub .propanel .bottom .left-nav {
  width: 24%;
  padding-right: 40px;
  border-right: solid 1px #E5E5E5;
}
header .right .nav li .sub .propanel .bottom .left-nav .item {
  padding: 15px 0;
  margin-bottom: 20px;
  background: #EEEEEE;
  font-size: 18px;
  cursor: pointer;
  
}
header .right .nav li .sub .propanel .bottom .left-nav .active {
  background: #00B2B2;
  color: #fff;
  
  
}
header .right .nav li .sub .propanel .bottom .right-nav {
  width: 76%;
}
header .right .nav li .sub .propanel .bottom .right-nav .item {
  margin-left: 120px;
  margin-right: 4cm;
  display: none;
}
header .right .nav li .sub .propanel .bottom .right-nav .active{
    display: flex;
}


header .right .nav li .sub .propanel .bottom .right-nav .item li{
    display: inline-block;
    text-align: left;
}
header .right .nav li .sub .propanel .bottom .right-nav .item li p{
    padding: 5px 0;
}
header .right .nav li .sub .propanel .bottom .right-nav .item li a{ 
    color: #282828;
}
header .right .nav li .sub .propanel .bottom .right-nav .item li img{ 
    filter: brightness(0) invert(0);
    margin-right: 10px;
    width: 7px;
}
header .right .nav li .sub .propanel .bottom .right-nav .item li p:hover img{
    filter: inherit;
}

header .right .nav li .sub .propanel .bottom .right-nav .item li p:hover span{
    color: #00B2B2;;
}


@media (max-width: 768px) {
   header .right .nav li .sub .propanel .bottom .right-nav .item{
       margin-left: 20px;
       margin-right: 20px;
   }
}
@media (max-width: 480px) {
    header .right .nav li .sub .propanel .bottom .left-nav .item{
        padding: 6px 0;
    }
    header .right .nav li .sub .propanel .bottom .right-nav .item{
        margin-left: 0px;
       margin-right: 0px;
       display: inline;
    }
   header .right .nav li .sub .propanel .bottom{
       display: inline;
   }
   header .right .nav li .sub .propanel .bottom .left-nav{
       width: 100%;
       padding-right: 0px;
       border-right:none;
   }
   header .right .nav li .sub .propanel .bottom .right-nav{
       width: 100%;
   }
}



header .right .nav li .sub.sub2 {
    background: url('../images/bg4.png') repeat-y left 51% top #f1fafa;
}

header .right .nav li .sub a {
    line-height: 30px;
    display: block;
}

header .right .nav li .sub .box {
    padding: 0 6%;
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -moz-justify-content: space-around;
    -webkit-justify-content: space-around;
    justify-content: space-around;
    -webkit-box-align: start;
    -ms-flex-align: start;
    -webkit-align-items: flex-start;
    align-items: flex-start;
}

header .right .nav li .sub .box.box2 {
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    -webkit-justify-content: space-between;
    justify-content: space-between;
}

header .right .nav li .sub .box .item {
    width: 27%;
    text-align: left;
}

header .right .nav li .sub .box .item h3 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    font-size: 30px;
    color: #121818;
    padding-bottom: 35px;
    border-bottom: 1px solid #121818;
    position: relative;
    margin-bottom: 25px;
    position: relative;
}
header .right .nav li .sub .box .item h3:hover{
    color: #01b2b3;
}
header .right .nav li .sub .box .item h3:hover i{
    color: #01b2b3;
}

header .right .nav li .sub .box .item h3 a{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    font-size: 0;
}
header .right .nav li .sub .box .item h3 a:before{display: none;}

header .right .nav li .sub .box .item h3 i {
    display: block;
    font-size: 30px;
    line-height: 30px;
}

header .right .nav li .sub .box .item h3:before {
    content: '';
    width: 150px;
    height: 4px;
    background: #01b2b3;
    position: absolute;
    left: 0;
    bottom: -1px;
}

header .right .nav li .sub .box .item .info {
    max-height: 343px;
    overflow-y: scroll;
}

header .right .nav li .sub .box .item .info::-webkit-scrollbar {
    /*滚动条整体样式*/
    width: 2px;
    /*高宽分别对应横竖滚动条的尺寸*/
    height: 1px;
}

header .right .nav li .sub .box .item .info::-webkit-scrollbar-thumb {
    /*滚动条里面小方块*/
    border-radius: 10px;
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
    background: #fff;
}

header .right .nav li .sub .box .item a {
    padding: 0 35px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 18px;
    line-height: 48px;
    color: #666666;
    position: relative;
    border-bottom: 1px solid transparent;
}

header .right .nav li .sub .box .item .info a:hover {
    color: #01b2b3;
    border-bottom: 1px solid #dae3e3;
}

header .right .nav li .sub .box .item a:hover i {
    opacity: 1;
    z-index: 1;
}

header .right .nav li .sub .box .item a:before {
    content: '';
    width: 5px;
    height: 5px;
    position: absolute;
    left: 0;
    top: 50%;
    margin-top: -2.5px;
    background: #01b2b3;
}

header .right .nav li .sub .box .item a i {
    display: block;
    opacity: 0;
    z-index: 0;
    position: absolute;
    width: 30px;
    height: 20px;
    right: 0;
    top: 50%;
    margin-top: -10px;
    color: #01b2b3;
    font-size: 25px;
    -webkit-transition: all 0.4s;
    -o-transition: all 0.4s;
    transition: all 0.4s;
}

header .right .nav li .sub .box .box_l {
    width: 44.5%;
}

header .right .nav li .sub .box .box_l h2 {
    font-size: 30px;
    line-height: 1;
    padding-bottom: 35px;
    color: #121818;
    border-bottom: 1px solid #121818;
    position: relative;
    margin-bottom: 25px;
    text-align: left;
}

header .right .nav li .sub .box .box_l h2:before {
    content: '';
    width: 150px;
    height: 4px;
    background: #01b2b3;
    position: absolute;
    left: 0;
    bottom: -1px;
}

header .right .nav li .sub .box .box_l .list {
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: start;
    -ms-flex-pack: start;
    -webkit-justify-content: flex-start;
    justify-content: flex-start;
    -webkit-box-align: start;
    -ms-flex-align: start;
    -webkit-align-items: flex-start;
    align-items: flex-start;
    flex-wrap: wrap;
    -ms-flex-wrap: wrap;
}

header .right .nav li .sub .box .box_l .list a {
    width: 33%;
    padding-left: 30px;
    position: relative;
    text-align: left;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin: 10px 0;
    font-size: 18px;
    color: #121818;
}

header .right .nav li .sub .box .box_l .list a:hover {
    color: #01b2b3;
}

header .right .nav li .sub .box .box_l .list a:hover i {
    color: #01b2b3;
}

header .right .nav li .sub .box .box_l .list a i {
    display: block;
    position: absolute;
    left: 0;
    width: 20px;
    height: 20px;
    line-height: 20px;
    top: 50%;
    margin-top: -10px;
    font-size: 18px;
}

header .right .nav li .sub .box .box_r {
    width: 44.2%;
}

header .right .nav li .sub .box .box_r h3 {
    font-size: 30px;
    line-height: 1;
    margin-bottom: 15px;
    text-align: left;
}

header .right .nav li .sub .box .box_r .imgbox {
    width: 100%;
    height: 0;
    padding-bottom: 33.38%;
    position: relative;
    overflow: hidden;
}

header .right .nav li .sub .box .box_r .imgbox:hover img {
    -webkit-transform: translate(-50%, -50%) scale(1.05);
    -ms-transform: translate(-50%, -50%) scale(1.05);
    -o-transform: translate(-50%, -50%) scale(1.05);
    transform: translate(-50%, -50%) scale(1.05);
}

header .right .nav li .sub .box .box_r .imgbox img {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    max-width: 100%;
    max-height: 100%;
    -webkit-transition: all 0.4s;
    -o-transition: all 0.4s;
    transition: all 0.4s;
}

header .right .lan {
    width: 150px;
    text-align: center;
    position: relative;
    -webkit-transition: all 0.4s;
    -o-transition: all 0.4s;
    transition: all 0.4s;
    white-space: nowrap;
}

header .right .lan:before {
    width: 5px;
    height: 26px;
    content: '';
    background: #fff;
    position: absolute;
    left: 0;
    top: 50%;
    margin-top: -13px;
}

header .right .lan:hover .sub {
    height: auto;
}

header .right .lan .sub {
    position: absolute;
    width: 100%;
    height: 0;
    overflow: hidden;
    padding-top: 30px;
    -webkit-transition: all 0.4s;
    -o-transition: all 0.4s;
    transition: all 0.4s;
}

header .right .lan .sub a {
    line-height: 60px;
    opacity: 0.3;
}

header .right .lan .sub a:hover {
    opacity: 1;
}

header .right .lan .sub:before {
    content: '';
    width: 30px;
    height: 1px;
    position: absolute;
    top: 30px;
    left: 50%;
    margin-left: -15px;
    background: rgba(255, 255, 255, 0.1);
}

header .right .search {
    margin-right: 75px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: start;
    -ms-flex-pack: start;
    -webkit-justify-content: flex-start;
    justify-content: flex-start;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}

header .right .search.on .search_a {
    width: 0;
}

header .right .search.on form {
    width: 300px;
    -webkit-transition: all 0.4s;
    -o-transition: all 0.4s;
    transition: all 0.4s;
}

header .right .search .iconfont:before {
    font-weight: bold;
    font-size: 20px;
}

header .right .search .search_a {
    width: 25px;
    height: 25px;
    overflow: hidden;
    -webkit-transition: all 0.4s;
    -o-transition: all 0.4s;
    transition: all 0.4s;
}

header .right .search form {
    overflow: hidden;
    width: 0;
    height: 32px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}

header .right .search form input {
    width: calc(100% - 60px);
    line-height: 30px;
    border-bottom: 1px solid #fff;
    color: #fff;
    font-size: 16px;
}

header .right .search form input::-webkit-input-placeholder {
    color: #fff;
    font-size: 16px;
}

header .right .search form input::-moz-placeholder {
    color: #fff;
    font-size: 16px;
}

header .right .search form input:-ms-input-placeholder {
    color: #fff;
    font-size: 16px;
}

header .right .search form .form_a {
    width: 30px;
}

header .right .search form .form_close {
    width: 25px;
}

header .menu_a {
    width: 50px;
    height: 50px;
    display: none;
}

.header_div {
    width: 0;
    height: 0;
    display: none;
}
.header_div.on{
    display: block;
    width: 100%;
    height: 120px;
    background: #f6f8f9;
}

@media (min-width: 991px) {

    
    header:hover,
    header.scroll,
    header.on,
    newnav-title:hover,
    newnav-title.n-scroll,
    newnav-title.on {
        background: #fff;
        /*box-shadow: 0 0 18px rgba(0,0,0,.1);*/
    }

    header:hover *,
    header.scroll *,
    header.on * {
        color: #333;
    }
  
    header:hover .right .lan .sub a,
    header.scroll .right .lan .sub a,
    header.on .right .lan .sub a 
    .right .lan .sub a{
        color: #fff;
    }

    header.on .right .nav li>a.on,
    header:hover .right .nav li>a.on,
    header.scroll .right .nav li>a.on{
        color: #01b2b3;
    }
    header:hover .right .nav li>a.on:before{
        background: #01b2b3;
    }

    header:hover .logo img,
    header.on .logo img,
    header.scroll .logo img {
        display: none;
    }

    header:hover .logo img.on,
    header.on .logo img.on,
    header.scroll .logo img.on {
        display: block;
    }

    header:hover .right .search form input,
    header.on .right .search form input,
    header.scroll .right .search form input {
        border-color: #333;
        color: #333;
    }

    header:hover .right .search form input::-webkit-input-placeholder,
    header.on .right .search form input::-webkit-input-placeholder,
    header.scroll .right .search form input::-webkit-input-placeholder {
        color: #333;
    }

    header:hover .right .search form input::-moz-placeholder,
    header.on .right .search form input::-moz-placeholder,
    header.scroll .right .search form input::-moz-placeholder {
        color: #333;
    }

    header:hover .right .search form input:-ms-input-placeholder,
    header.on .right .search form input:-ms-input-placeholder,
    header.scroll .right .search form input:-ms-input-placeholder {
        color: #333;
    }

    header:hover .right .lan:before,
    header.on .right .lan:before,
    header.scroll .right .lan:before {
        background-color: #01b2b3;
    }

    header .right .nav li:hover .sub {
        padding: 50px 0;
        height: auto;
        box-shadow: 0px 5px 15px 0px rgba(22, 33, 48, 0.06);
    }
}

@media (max-width: 1680px) {
    header .right .nav li {
        margin-right: 60px;
    }
}






@media (max-width: 1500px) {

    header .right .nav li,
    header .right .search {
        margin-right: 60px;
    }

    header .right .lan {
        width: 120px;
    }

    header .right .nav li:hover .sub {
        padding: 80px 0;
    }

    header .right .nav li .sub .box .item h3 {
        font-size: 24px;
        padding-bottom: 20px;
        margin-bottom: 15px;
    }

    header .right .nav li .sub .box .item a {
        font-size: 16px;
        line-height: 36px;
    }

    header .right .nav li .sub .box .item .info {
        max-height: 259px;
    }

    header .right .nav li .sub .box .box_l h2 {
        font-size: 24px;
        padding-bottom: 20px;
        margin-bottom: 15px;
    }

    header .right .nav li .sub .box .box_r h3 {
        font-size: 24px;
    }

    header .right .nav li .sub .box .box_l .list a {
        font-size: 16px;
    }
}

@media (max-width: 1440px) {

    header .right .nav li,
    header .right .search {
        margin-right: 40px;
    }

    header .right .lan {
        width: 100px;
    }
}

@media (max-width: 1366px) {
    header .right .nav li .sub .box .item h3 i {
        display: block;
        font-size: 20px;
        line-height: 20px;
    }
    header .right .nav li,
    header .right .search {
        margin-right: 30px;
    }

    header .right .lan {
        width: 100px;
    }

    header .right .nav li:hover .sub {
        padding: 30px 0;
    }

    header .right .nav li .sub .box .item h3 {
        font-size: 20px;
        padding-bottom: 15px;
        margin-bottom: 10px;
    }

    header .right .nav li .sub .box .item a {
        font-size: 14px;
        line-height: 30px;
    }

    header .right .nav li .sub .box .item .info {
        max-height: 217px;
    }

    header .right .nav li .sub .box .box_l h2 {
        font-size: 20px;
        padding-bottom: 15px;
        margin-bottom: 10px;
    }

    header .right .nav li .sub .box .box_r h3 {
        font-size: 20px;
    }

    header .right .nav li .sub .box .box_l .list a {
        font-size: 14px;
    }
}

@media (max-width: 1280px) {
    header .logo{
        width: 150px;
    }
    .newnav-title ul li a{
        font-size: 13px;
    }
    header{
        height: 70px;
    }
    header .right .nav li>a:before{
        bottom: -5px;
        height: 1px;
    }
    header .right .nav li,
    header .right .search {
        margin-right: 20px;
    }

    header .right .nav li>a {
        font-size: 14px;
    }
    header .right .lan:before{
        width: 4px;
        height: 20px;
        top: 60%;
    }
    header .right .lan {
        width: 100px;
    }
}

@media (max-width: 990px) {
    .newnav-title,.n-scroll{
        display: none;
    }
    header {
        padding: 0px 10px;
        height: 60px;
        background: #fff;
        box-shadow: 0 0 18px rgba(0,0,0,.1);
        top: 0;
    }

    header.scroll {
        height: 60px;
    }

    header.scroll .right .nav li .sub {
        top: 0px;
    }

    header .logo{max-width: 125px;}
    header .logo img {
        display: none;
    }

    header .logo img.on {
        display: block;
    }

    header * {
        color: #333;
    }

    header .right {
        position: fixed;
        width: 100%;
        height: 0;
        -webkit-box-orient: vertical;
        -ms-flex-direction: column;
        -webkit-flex-direction: column;
        flex-direction: column;
        -webkit-box-pack: start;
        -ms-flex-pack: start;
        -webkit-justify-content: flex-start;
        justify-content: flex-start;
        left: 0;
        top: 60px;
        padding: 0 20px;
        background: #f1fafa;
        overflow: hidden;
        -webkit-transition: all 0.4s;
        -o-transition: all 0.4s;
        transition: all 0.4s;
    }

    header .right.on {
        height: calc(100% - 60px);
        padding: 20px;
    }

    header .right .nav {
        -webkit-box-orient: vertical;
        -ms-flex-direction: column;
        -webkit-flex-direction: column;
        flex-direction: column;
        width: 100%;
        height: auto;
    }

    header .right .nav li {
        width: 100%;
        position: relative;
        display: block;
        margin-right: 0;
    }

    header .right .nav li:hover .sub {
        padding: 0;
        height: 0;
    }

    header .right .nav li.on>a {
        color: #01b2b3;
    }

    header .right .nav li.on .sub {
        padding: 0px 0;
        height: auto;
        background: none;
    }

    header .right .nav li.on .sub .wrap {
        padding: 0;
    }

    header .right .nav li.on i.icon-tianjia:before {
        display: none;
    }

    header .right .nav li.on i.icon-tianjia:after {
        content: '';
        width: 15px;
        height: 2px;
        position: absolute;
        left: 50%;
        top: 50%;
        margin-left: -7.5px;
        margin-top: -1px;
        background: #333;
    }

    header .right .nav li i {
        width: 30px;
        height: 30px;
        position: absolute;
        display: block;
        right: 0;
        top: 0;
        text-align: center;
        line-height: 30px;
        z-index: 2;
    }

    header .right .nav li i:before {
        font-size: 20px;
    }

    header .right .nav li>a {
        display: block;
        line-height: 40px;
        width: calc(100% - 30px);
    }

    header .right .nav li>a:before {
        display: none;
    }

    header .right .nav li .sub {
        position: relative;
        left: auto;
        top: auto;
        margin-left: 0;
        width: 100%;
        -webkit-transition: all 0.4s;
        -o-transition: all 0.4s;
        transition: all 0.4s;
        background: none;
    }

    header .right .nav li .sub a {
        padding: 0 10px;
        text-align: left;
    }

    header .right .nav li .sub .wrap .box {
        padding: 0;
        flex-wrap: wrap;
        -ms-flex-wrap: wrap;
    }

    header .right .nav li .sub .wrap .box .item {
        width: 100%;
    }

    header .right .nav li .sub .wrap .box .item h3 {
        font-size: 15px;
        margin-bottom: 0;
        border-bottom: none;
        padding: 10px;
    }

    header .right .nav li .sub .wrap .box .item h3.on {
        color: #01b2b3;
    }

    header .right .nav li .sub .wrap .box .item h3:before {
        display: none;
    }

    header .right .nav li .sub .wrap .box .item h3 i {
        height: 30px;
        line-height: 30px;
        -webkit-transition: all 0.4s;
        -o-transition: all 0.4s;
        transition: all 0.4s;
    }

    header .right .nav li .sub .wrap .box .item h3 i.on {
        transform: rotate(90deg);
        -ms-transform: rotate(90deg);
        -moz-transform: rotate(90deg);
        -webkit-transform: rotate(90deg);
        -o-transform: rotate(90deg);
    }

    header .right .nav li .sub .wrap .box .item .info {
        height: 0;
        overflow: hidden;
    }

    header .right .nav li .sub .wrap .box .item .info.on {
        height: auto;
        /* max-height: 150px;
        overflow-y: scroll; */
    }

    header .right .nav li .sub .wrap .box .item .info.on::-webkit-scrollbar {
        /*滚动条整体样式*/
        width: 2px;
        /*高宽分别对应横竖滚动条的尺寸*/
        height: 1px;
    }

    header .right .nav li .sub .wrap .box .item .info.on::-webkit-scrollbar-thumb {
        /*滚动条里面小方块*/
        border-radius: 10px;
        box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
        background: #fff;
    }

    header .right .nav li .sub .wrap .box .item .info a {
        color: #121818;
    }

    header .right .nav li .sub .wrap .box .item a {
        border-bottom: none;
    }

    header .right .nav li .sub .wrap .box .item a i {
        display: none;
    }

    header .right .nav li .sub .wrap .box .item a:before {
        display: none;
    }

    header .right .nav li .sub .wrap .box .item a:hover,
    header .right .nav li .sub .wrap .box .item a.on {
        color: #01b2b3;
        border-bottom: none;
    }

    header .right .nav li .sub .wrap .box .item a:hover i,
    header .right .nav li .sub .wrap .box .item a.on i {
        display: none;
    }

    header .right .nav li .sub .wrap .box .box_l {
        width: 100%;
    }

    header .right .nav li .sub .wrap .box .box_l h2 {
        display: none;
    }

    header .right .nav li .sub .wrap .box .box_l .list {
        /* max-height: 150px;
        overflow-y: scroll; */
    }

    header .right .nav li .sub .wrap .box .box_l .list a {
        width: 100%;
        padding: 0 10px;
        line-height: 35px;
        margin: 0;
        font-size: 15px;
    }

    header .right .nav li .sub .wrap .box .box_l .list a:hover,
    header .right .nav li .sub .wrap .box .box_l .list a.on {
        color: #01b2b3;
    }

    header .right .nav li .sub .wrap .box .box_l .list a i {
        display: none;
    }

    header .right .nav li .sub .wrap .box .box_r {
        display: none;
    }

    header .right .search {
        width: 100%;
        margin: 10px auto;
    }

    header .right .search .search_a {
        display: none;
    }

    header .right .search form {
        width: 300px;
        margin: 0 auto;
        height: 50px;
    }

    header .right .search form .form_close {
        display: none;
    }

    header .right .search form input {
        border-color: #333;
    }

    header .right .search form input::-webkit-input-placeholder {
        color: #333;
    }

    header .right .search form input::-moz-placeholder {
        color: #333;
    }

    header .right .search form input:-ms-input-placeholder {
        color: #333;
    }

    header .right .lan {
        display: -webkit-box;
        display: -ms-flexbox;
        display: -webkit-flex;
        display: flex;
        flex-wrap: wrap;
        -ms-flex-wrap: wrap;
        -webkit-box-align: center;
        -ms-flex-align: center;
        -webkit-align-items: center;
        align-items: center;
        -webkit-box-pack: center;
        -ms-flex-pack: center;
        -webkit-justify-content: center;
        justify-content: center;
        width: 100%;
        line-height: 30px;
    }

    header .right .lan:before {
        display: none;
    }

    header .right .lan a {
        margin: 0 10px;
    }

    header .right .lan .sub {
        position: relative;
        left: auto;
        top: auto;
        width: auto;
        padding-top: 0;
        height: 30px;
    }

    header .right .lan .sub:before {
        display: none;
    }

    header .right .lan .sub a {
        line-height: 30px;
        opacity: 0.8;
    }

    header .menu_a {
        display: block;
        display: -webkit-box;
        display: -ms-flexbox;
        display: -webkit-flex;
        display: flex;
        -webkit-box-pack: end;
        -ms-flex-pack: end;
        -webkit-justify-content: flex-end;
        justify-content: flex-end;
        -webkit-box-align: center;
        -ms-flex-align: center;
        -webkit-align-items: center;
        align-items: center;
    }

    header .menu_a.on i.icon-menu {
        display: none;
    }

    header .menu_a.on i.icon-close {
        display: block;
    }

    header .menu_a i:before {
        font-size: 30px;
    }

    header .menu_a i.icon-close {
        display: none;
    }

    .header_div {
        width: 100%;
        height: 60px;
        display: block;
    }
    .header_div.on{
        height: 60px;
    }
}