* {
    margin: auto 0px;
    padding: 0px
}

body {
    font-size: 14px;
    text-align: center;
    width: 100%;
    background: #FFFFFF
}

.main {
    width: 85%;
    min-width: 1200px;
    text-align: center;
    margin: auto
}
.main::after{
    content: "";
    display: block;
    clear:both;
}
.clearfix::after{
    content: "";
    display: block;
    clear:both;
}

.st_head {
    width: 100%;
    height: 40px;
    border-bottom: 1px dashed #ededed;
    line-height: 40px;
    background: #FFFFFF
}

.st_head1 {
    float: left;
    text-align: left;
}

.st_head2 {
    float: right;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.st_head2 li {
    float: left
}

.st_topbgl {
    float: left;
    width: 40%;
    display: flex;
    align-items: center;
    overflow: hidden;
    line-height: 100px
}

.st_topbgr {
    float: right;
    width: 60%
}


.clear {
    clear: both
}

.st_head {

    position: relative;
    z-index: 4
}

.st_head .viewBox {
    display: flex;
    justify-content: space-between;
    align-items: center
}

.st_head p {
    font-size: 12px;
    color: #fff;
    width: 50%;
    padding-right: 5%;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden
}

.st_head ul {
    float: right;

    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding-right: 2%
}


.st_head ul li a {
    color: #666666;
    font-size: 12px;
    padding: 0 0 0 35px;
    display: flex;
    align-items: center;
    font-weight: 900;
    letter-spacing: 1px
}
.st_head ul li a span{font-size: 12px;}

.st_head ul li.tel a {
    color: #666666
}

.st_head ul li a img {
    display: block;
    width: 16px
}

.st_head ul li a i {
    padding-right: 2px
}

.st_head ul li a:hover {
    color: #0068ff
}

.st_head ul li {
    position: relative
}

.st_head ul li:hover .hideBox {
    display: block
}

.st_head ul li .hideBox {
    display: none;
    position: absolute;
    width: 150px;
    padding: 10px;
    background: #fff;
    border-radius: 3px;
    box-shadow: 0 0 10px rgba(0, 0, 0, .1);
    top: 100%;
    left: 50%;
    text-align: center;
    transform: translateX(-50%)
}

.st_head ul li .hideBox img {
    display: block;
    width: 100%
}

.st_lanmut {
    margin-top: 10px;
    margin-bottom:40px
}

.st_lanmutl {}

.st_lanmutz {}

.st_lanmutz a {
    font-size: 28px;
    color: #333;
    font-weight: 900;
}

.st_lanmutr {}

.st_lanmutd {
    font-size: 12px;
    color: #888888;
    text-transform: uppercase;
}

.st_chanpinfl li {
    float: left;
    background: #FFFFFF;
    border-radius: 100px;
    width: 18.5%;
    margin: 0 1.875% 1.875% 0;
    height: 45px;
    line-height: 45px;
    font-size: 16px;
    transition: 0.3s;
    border: 1px solid #ececec;
}
.st_chanpinfl li a{transition: 0.3s;display: block;}
.st_chanpinfl li:nth-child(5n){margin-right: 0;}
.st_chanpinfl li:hover{background: #0067d0;}
.st_chanpinfl li:hover a{color: #fff;}
.st_chanpinl {
    float: left;
    width: 23.5%;
    margin: 0 2% 2% 0;
    transition: 0.3s;
}
.st_chanpinl:nth-child(4n){margin-right: 0;}
.st_chanpinl1{
    width: 100%;
    height: 210px; 
    overflow: hidden;
}
.st_chanpinl1 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.3s;
}

.st_chanpinl2 {
    height: 50px;
    line-height: 50px;
    font-size: 16px;
    background: #fff;
    transition: 0.3s;
}
.st_chanpinl:hover .st_chanpinl1 img{transform: scale(1.1);}
.st_chanpinl:hover .st_chanpinl2{background: #0067d0;}
.st_chanpinl:hover .st_chanpinl2 a{color: #fff;}
.st_chanpinl3 {
    display: none;
}
.st_chanpinzs {
    padding: 20px 0 40px;
}
.st_youshibg {
    background: url(../img/YOUSHI.jpg) no-repeat;
    width: 100%;
    height: 590px;
    background-position: 50%;
}

.st_youshil {
    float: left;
    width: 32%;
    text-align: right
}

.st_youshir {
    float: right;
    width: 55%;
    padding-top: 20px
}

.st_youshik {
    clear: both;
    padding-top: 80px
}

.st_youshik1 {
    float: left;
    width: 70px;
}
.st_youshik1 img{
    display: block;
    width: 100%;
}
.st_youshik2 {
    float: left;
    margin-left: 20px
}

.st_youshik2 {
    color: #FFFFFF;
    text-align: left
}

.st_youshik21 {
    color: #0067d0;
    font-size: 22px;
    padding-top: 5px
}
.st_aboutbg{padding:20px 0 50px;}
.st_youshik22 {
    font-size: 14px;
    padding-top: 10px
}

.st_aboutn {
    text-align: left;
    clear: both
}

.st_aboutnl {
    float: left;
    width: 52%;
    padding-left: 2%;
}

.st_aboutnr {
    float: right;
    width: 45%;
    padding-right: 1px;
    text-align: left;
    height: 300px
}

.st_aboutnr img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.st_aboutnl1 {
    font-size: 24px;
    font-weight: bold;
    color: #0068ff;
}

.st_aboutnl2 {
    font-size: 14px;
    line-height: 2;
    margin-top: 20px;
    color: #888;
}

.st_gengduo {
    clear: both
}

.st_xuanchuanbg {
    background: url(../img/tmp1589254963_2024170_s.jpg) no-repeat;
    width: 100%;
    height: 339px;
    background-position: 50%;
}

.st_xinwenbg {
    background: #FFFFFF;
    height: auto;
    overflow: hidden
}

.st_xinwenlist {
    background: #FFFFFF
}

.st_xinwenl {
    float: left;
    width: 48%;
    background-color: #f7f7f6;
    padding: 20px;
    margin-right: 20px;
    margin-top: 20px;
    word-break: break-all;
    word-wrap: break-word;
}

.st_xinwenl1 {
    float: left
}

.st_xinwenl1 img {
    width: 230px;
    height: 170px
}

.st_xinwenl2 {
    float: left;
    line-height: 24px;
    text-align: left;
    padding-left: 10px
}

.st_gengduo {
    width: 145px;
    height: 42px;
    line-height: 42px;
    border-radius: 100px;
    z-index: 6;
    border: 1px solid #ddd;
    background: #fff;
    margin: 0 auto 50px;
    transition: 0.3s;
}
.st_gengduo a{display: block;color: #333;font-size: 12px;transition: 0.3s;}
.st_gengduo:hover{background: #0067d0;border-color: #0067d0;}
.st_gengduo:hover a{color: #fff;} 
.st_xuanchuan1 {
    color: #FFFFFF;
    font-size: 30px;
    padding-top: 70px
}

.st_xuanchuan2 {
    font-size: 16px;
    line-height: 2;
    color: rgb(255, 255, 255);
    text-align: center;
    margin: auto
}

.st_xuanchuand {
    width: 50px;
    height: 2px;
    background: #36b0f3;
    margin: auto;
    margin-top: 25px
}

.st_xuanchuan2 {
    margin-top: 25px
}

.st_youshil1 {
    font-size: 46px;
    font-weight: 400;
    line-height: 1.3;
    color: #fff;
    line-height: 1.8;
    margin-top: 140px;
}

.st_youshil2 {
    font-size: 16px;
    color: #FFFFFF;
    line-height: 1.8;
}

.st_youshil4 {
    margin-top: 80px
}

.st_youshil3 {
    font-size: 20px;
    font-weight: 400;
    line-height: 1.3;
    color: #FFFFFF;
    font-size: 18px;
    margin-top: 178px
}


.st_lanmutl {
    display: inline-block;
}

.st_aboutnl3 {
    margin: auto;
    text-align: left;
    width: 100%
}
.st_aboutnl3 a{
    display: inline-block;
    padding: 10px 20px;
    border:1px solid #ddd;
    background: #fff;
    color: #666;
    border-radius: 100px;
    font-size: 12px;
    margin-top: 40px;
    transition: 0.3s;
}
.st_aboutnl3 a:hover{background: #0067d0;border-color: #0067d0;color: #fff;}

@media screen and (max-width:768px){
    .main{
        width: 100%;
        min-width: inherit;
        padding: 0 10px;
    }
    .st_head{display: none;}
    .st_topr{display: none;}
    .st_logo{width: calc(100% - 50px);}
    .st_logo b{font-size: 22px;}
    .navButton {
        position: absolute;
        right: 10px;
    }
    .st_navbg{
        position: fixed;
        left: 0;
        top: 0;
        width: 100vw;
        height: 0;
        background: #fff;
        z-index: 99;
        overflow: hidden;
        transition: .6s;
    }
    .st_navbg.active {
        height: 100vh;
    }
    .st_navbg .main{padding: 0;}
    .st_nav ul{display: block;padding-top: 60px;}
    .st_nav ul li>a{color: #333;background: none;border-bottom: 1px solid #ececec;text-align: left; padding: 10px 20px;height: auto;}
    .st_nav ul li:first-child{border-top: 1px solid #ececec;}
}