*{
    margin:0;
    padding: 0;
    font-family: "MicrosoftYaHei";
    box-sizing: border-box;
}
body{
    font-size: 16px;
}
img{
    width: 100%;
    vertical-align: bottom;
}
ul li{
    list-style: none;
}
.container{
    width: 75%;
    margin:0 auto;
}
:root{
    --text-color-black:#000;
    --text-color-black59:#595959;
    --text-color-black-cc:#ccc;
    --text-color-gray98:#989898;
    --text-color-gray80:#808080;
    --text-color-gray88:#8894A0;
    --text-color-graye6:#e6e6e6;
}
.lighter{
    font-weight: lighter;
}
.txt-center{
    text-align: center;
}
.txt-left{
    text-align: left;
}
.txt-right{
    text-align: right;
}
.txt-uppercase{
    text-transform: uppercase;
}
.txt-white{
    color: #fff;
}
.txt-blue{
    color: #66B3FF;
}
.txt-black{
    color: #000;
}
/*标题*/
.section-title{
    text-align: center;
    font-weight: bold;
    padding: 30px 0;
}
.section-title .title-en{
    font-size: 45px;
    letter-spacing: 3px;
    color: rgba(0, 0, 0, 0.04);
}
.section-title h4{
    font-size: 30px;
    margin-top:-34px;
}
.section-title p{
    font-size: 16px;
    font-weight: normal;
    color: var(--text-color-gray98);
    padding-top: 5px;
}

header{
    position: absolute;
    width: 94%;
    height: 80px;
    top:30px;
    margin-left: 3%;
    display: flex;
    justify-content: space-around;
    align-items: center;
    background: rgba(1, 152, 218, .3);
    border-radius: 12px;
    z-index: 9999;
}

.logo{
    display: flex;
    font-size: 20px;
    justify-items: flex-start;
    align-items: center;
}
.logo img{
    width: 42px;
    height: 45px;
    margin-right:20px;
}

.nav-box ul li{
    float: left;
    height: 80px;
    line-height: 80px;
    margin:0 20px;

}
.nav-box ul li.drop-down a.title{
    position: relative;
}
.nav-box ul li.drop-down a.title::after{
    position: absolute;
    content: '';
    width: 6px;
    height: 6px;
    right:0;
    top:50%;
    margin-top:-5px;
    border-top:1px solid #fff;
    border-right:1px solid #fff;
    transform: rotate(135deg);
}
.nav-box ul li.drop-down:hover a.title{
    border-bottom: 0;
}

.nav-box ul li a{
    color: #fff;
    padding: 5px 15px;
    text-decoration: none;
}
.nav-box ul li a.cur{
    color: #F9BD00;
}
.nav-box ul li a:hover{
    color: #F9BD00;
    border-bottom:1px solid #F9BD00
}
.nav-box dl{
    display: none;
    position: absolute;
    top:79px;
    background: #013b5a;
    padding: 15px 0;
    z-index: 999;
}
.nav-box dl dd{
    font-size: 14px;
    line-height: 30px;
}
.nav-box dl dd a:hover{
    border-bottom:0;
}
.small-nav{
    display: none;
}

.small-nav-cont{
    display: none;
    position: absolute;
    width: 100%;
    padding: 20px;
    background: #013b5a;
    z-index: 9999;
    border-top:1px solid #3f3f3f
}
.small-nav-cont ul li{
    position: relative;
    color: #e6e6e6;
    line-height: 30px;
    padding-left: 15px;
}
.small-nav-cont ul li:before{
    position: absolute;
    content: '';
    width: 6px;
    height: 6px;
    border-top:1px solid #e6e6e6;
    border-right:1px solid #e6e6e6;
    transform: rotate(45deg);
    left:0;
    margin-top: 12px;

}
.small-nav-cont ul li a{
    color: #e6e6e6;
    text-decoration: none;
}
.small-nav-cont dl{
    margin-left: 20px;
}

.banner-box{
    display: grid;
    position: relative;
    top:0;
    left: 0;
}
.banner-box .banner-txt{
    position: absolute;
    align-self: flex-start;
    justify-self: center;
    padding-top: 12%;
}
.banner-box .banner-txt h4{
    font-size: 50px;
}
.banner-box .banner-txt h4.normal{
    font-size: 36px;
    font-weight: normal;
}
.banner-box .banner-txt p{
    font-size: 24px;
    font-weight: bold;
}

.banner-box .banner-txt p.lighter{
    font-weight: lighter;
    padding: 10px 0;
}
.products-list ul{
    display: flex;
    justify-content: space-between;

}
.products-list ul li{
    width: 32%;
    position: relative;
}

.products-list ul li.img-bg1{
    background: url("https://skiden.oss-cn-hangzhou.aliyuncs.com/static/images/product-bg1.png") no-repeat;
    background-size: 100% 100%;
}
.products-list ul li.img-bg2{
    background: url("https://skiden.oss-cn-hangzhou.aliyuncs.com/static/images/product-bg2.png") no-repeat;
    background-size: 100% 100%;
}
.products-list ul li.img-bg3{
    background: url("https://skiden.oss-cn-hangzhou.aliyuncs.com/static/images/product-bg3.png") no-repeat;
    background-size: 100% 100%;
}

.products-list ul li .list-info{
    display: grid;
    justify-items: center;
    align-items: flex-end;
    width: 100%;
    z-index: 99;
    color: #fff;
    padding:30px 20px;
}

.products-list ul li .list-info img{
    width: 22px;
    height: 32px;
}
.products-list ul li .list-info img.mark{
    width: 45px;
    height: 43px;
    margin-bottom: 20px;
}
.products-list ul li .list-info h4{
    font-size: 18px;
}

.products-list ul li .list-info p{
    font-size: 12px;
    color: rgba(255,255,255,.8);
    line-height: 25px;
    text-align: left;
    padding: 15px 0 25px 0;
}
.solution-list{
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.solution-list .list-info{
    position: absolute;
    width: 100%;
    z-index: 99;
    left: 0;
    top:0;
    padding: 40px 20px;
}
.solution-list .list-info h4,.solution-list .list-info p{
    font-size: 14px;
}
.solution-list .list-info p.txt-uppercase{
    font-size: 12px;
    opacity: .5;
}
.solution-list .left{
    position: relative;
    width: 22%;
}
.solution-list .left .list-info p.txt-uppercase{
    color: var(--text-color-gray80);
}
.solution-list .right{
    width: 76%;
    display: flex;
    flex-direction: column;
    align-content: space-between;
}
.solution-list .right ul{
    display: flex;
    justify-content: space-between;
    height: 216px;
    margin-bottom: 10px;
}
.solution-list .right ul li{
    position: relative;
}
.solution-list .right ul li:nth-child(2n){
    margin:0 10px;
}

.solution-list .right ul li img{
    height: 100%;
}
.solution-list .right .bottom{
    position: relative;
}

.case-list ul{
    display: grid;
    grid-template-columns: 14% 14% 14% 14% 14% 14% auto;
}

.new-pic{
    padding: 30px 0 0;
}
.s-case-list ul{
    display: flex;
    justify-content: space-between;
}
.s-case-list ul li{
    background: #F8FAFD;
    margin: 0 2%;
    padding:30px 20px;
}

.s-case-list ul li img.logo{
    width: 100px;
    margin:  0 auto;
}
.s-case-list .case-mark{
    font-size: 14px;
    font-weight: bold;
    color: #6C7C8B;
    text-align: center;
    padding: 20px 0;
}
.s-case-list ul li p{
    font-size: 14px;
    color: #808080;
    text-align: center;
    line-height: 25px;
}
.s-case-list .case-contact img{
    width: 50px;
    margin: 20px 10px 0 10px;
}
.solution-info ul li{
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 30px 0;
}
.solution-info ul li .txt h4{
    color: #1F2D3D;
    padding-bottom: 10px;
}
.solution-info ul li .txt h4 span{
    font-weight: normal;
    font-size: 14px;
}
.solution-info ul li .txt p{
    position: relative;
    font-size: 12px;
    color: #5E6D82;
    padding-left: 10px;
    line-height: 25px;
}
.solution-info ul li .txt p:before{
    position: absolute;
    content: '';
    width: 5px;
    height: 5px;
    background: #F9BD00;
    left: 0;
    top:50%;
    margin-top:-2.5px;
}
.solution-info ul li .pic{
    width: 40%;
}

.logistics-txt ul li:nth-child(2n){
    background: #FAFAFF;
}
.logistics-txt ul li .container{
    display: flex;
    justify-content: space-around;
    align-items: center;
}
.logistics-txt ul li h4{
    position: relative;
    margin-bottom: 20px;
}
.logistics-txt ul li h4:after{
    position: absolute;
    content: '';
    width: 30px;
    height: 5px;
    background: #F9BD00;
    border-radius: 3px;
    bottom: 0;
    left: 0;
}

.logistics-txt ul li .txt p{
    position: static;
    padding-left: 0;
    color: #445B81;
}
.logistics-txt ul li .txt{
    width: 50%;
}
.offline-txt ul li .txt h4:after{
    background: #1A84FF;
    height: 2px;
    border-radius: 0;
    left: 10px;
}
.offline-txt ul li .txt h4{
    background: url("https://skiden.oss-cn-hangzhou.aliyuncs.com/static/images/offline-title1.png") no-repeat;
    line-height: 40px;
    padding-bottom: 0;
    background-size: 30px 30px;
    padding-left: 10px;
}
.offline-txt ul li .txt h4.title2{
    background: url("https://skiden.oss-cn-hangzhou.aliyuncs.com/static/images/offline-title2.png") no-repeat;
    background-size: 30px 30px;
}
.offline-txt ul li .txt h4.title3{
    background: url("https://skiden.oss-cn-hangzhou.aliyuncs.com/static/images/offline-title3.png") no-repeat;
    background-size: 30px 30px;
}
.offline-txt ul li .txt h4.title4{
    background: url("https://skiden.oss-cn-hangzhou.aliyuncs.com/static/images/offline-title4.png") no-repeat;
    background-size: 30px 30px;
}

.after-txt ul li h4:after{
    content: none;
}
.after-txt ul li .txt dl dd{
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin-bottom: 15px;
}
.after-txt ul li .txt dl dd p{
    width: 50%;
}
.after-txt ul li .txt p img{
    width: 15px;
    vertical-align: middle;
    margin: -2px 5px 0 0;
}
/*footer css*/
footer{
    width: 100%;
    background: #2B2B32;
    margin-top: 50px;
}
footer .top{
    display: flex;
    color: #fff;
    justify-content: space-between;
    padding: 20px 0;
}
footer .top ul li{
    line-height: 30px;
}
footer .top h4{
    font-size: 14px;
    color:#E6E6E6;
    margin-bottom: 5px;
}
footer .left ul li{
    display: flex;
    justify-content: flex-start;
}
footer .left ul li div{
    font-size: 14px;
}
footer .left ul li .img img{
    width: 14px;
    vertical-align: middle;
    margin: -4px 3px 0;
}
footer .right{
    width: 40%;
    display: flex;
    justify-content: space-between;
}
footer .right a{
    color: #ccc;
    text-decoration: none;
}
footer .bottom{
    color: #8894A0;
    font-size: 12px;
    background: #242329;
    padding: 10px 0;
}
footer .bottom a{
    color: #66B3FF;
    font-size: 12px;
    text-decoration: underline;
}
footer .right div{
    font-size: 14px;
    color: #ccc;
    border-left:1px solid #3F3F3F;
    padding-left: 10px;
}
/*media screen css*/
@media (max-width:960px){
    header{
        position: static;
        width: 100%;
        background: #013b5a;
        margin-left: 0;
        border-radius: 0;
    }
}
@media (max-width:540px) {
    .logo p{
        display:none;
    }
    .nav-box{
        display: none;
    }
    .small-nav{
        display: block;
    }
    .small-nav img{
        width: 35px;
        cursor: pointer;
    }
}
@media (max-width:820px) {
    .section-title .title-en{
        font-size: 40px;
    }
    .section-title h4{
        font-size: 25px;
    }
    .section-title p{
        font-size: 13px;
    }
}
@media (max-width:820px) {
    .banner-box .banner-txt{
        align-self: center;
        padding-top: 0;
    }
    .banner-box .banner-txt h4{
        font-size: 42px;
    }
    .banner-box .banner-txt h4.normal{
        font-size: 30px;
    }
    .banner-box .banner-txt p{
        font-size: 16px;
    }
}
@media (max-width:540px) {
    .banner-box .banner-txt{
        padding-top: 8%;
    }
    .banner-box .banner-txt h4{
        font-size: 25px;
    }
    .banner-box .banner-txt h4.normal{
        font-size: 20px;
    }
    .banner-box .banner-txt p{
        font-size: 12px;
    }
}
@media (max-width:540px) {
    .section-title .title-en{
        font-size: 30px;
    }
    .section-title h4{
        font-size: 16px;
        margin-top: -20px;
    }
    .section-title p{
        font-size: 9px;
    }
}
@media (max-width:540px) {
    .products-list ul{
        display: block;
    }
    .products-list ul li{
        width: 100%;
        margin-bottom: 15px;
    }
}
@media (max-width:820px){
    .products-list ul li .list-info h4{
        font-size: 16px;
    }
}
@media (max-width:540px) {
    .solution-list{
        display: block;
    }
    .solution-list .left{
        width: 100%;
        margin-bottom: 10px;
    }
    .solution-list .right{
        width: 100%;
    }
    .solution-list .list-info{
        padding: 10px 2px;
    }
}
@media (max-width: 540px) {
    .solution-info ul li{
        display: block;
        border-bottom: 1px solid #eee;
    }
    .solution-info ul li .pic{
        width: 100%;
    }
    .logistics-txt ul li .container{
        display: block;
    }
    .logistics-txt ul li .txt{
        width: 100%;
    }
}
@media (max-width:540px) {
    .s-case-list ul{
        display: block;
    }
    .s-case-list ul li{
        margin-bottom: 10px;
    }
}
@media (max-width:540px){
    .case-list ul{
        display: grid;
        grid-template-columns:25% 25% 25% 25%;
    }
}
@media (max-width:960px) {
    footer .top{
        display: block;
    }
    footer .right{
        display: block;
        width: 100%;
    }
    footer .right div{
        border:0;
        border-top:1px solid #3F3F3F;
        padding-top: 20px;
        margin-top: 20px;
        padding-left: 0;
    }
}