body,html{
    margin:0;padding:0;
}
.section1 .topcontainer{
    width:100%;
    margin-top:100px;
    position: relative;
}
.section1 img{
    width:100%;
}
.selectItemContainer{
    display: flex;
    align-items: center;
    height: 74px;
    background: rgba(2,7,14,0.5);
    position: absolute;
    bottom: 0;
    width:100%;
    z-index: 9;
}
.section1.active  .selectedContainer{ 
    /* -webkit-animation-duration: 1s; 
    -moz-animation-duration: 1s; 
    -o-animation-duration: 1s; 
    animation-duration: 1s; 
    -webkit-animation-name: fadeInRight; 
    -moz-animation-name: fadeInRight; 
    -o-animation-name: fadeInRight; 
    animation-name: fadeInRight; 
    -webkit-animation-fill-mode: both; 
    -moz-animation-fill-mode: both; 
    -o-animation-fill-mode: both; 
    animation-fill-mode: both; 
    -webkit-animation-timing-function: ease-in-out; 
    -moz-animation-timing-function: ease-in-out; 
    -o-animation-timing-function: ease-in-out; 
    animation-timing-function: ease-in-out;  */
}
.section1.active  .selectItemContainer{ 
    -webkit-animation-duration: 1s; 
    -moz-animation-duration: 1s; 
    -o-animation-duration: 1s; 
    animation-duration: 1s; 
    -webkit-animation-name: fadeInUp; 
    -moz-animation-name: fadeInUp; 
    -o-animation-name: fadeInUp; 
    animation-name: fadeInUp; 
    -webkit-animation-fill-mode: both; 
    -moz-animation-fill-mode: both; 
    -o-animation-fill-mode: both; 
    animation-fill-mode: both; 
    -webkit-animation-timing-function: ease-in-out; 
    -moz-animation-timing-function: ease-in-out; 
    -o-animation-timing-function: ease-in-out; 
    animation-timing-function: ease-in-out; 
}
.section2.active  .xietong,.section3.active .yaosu,.section4.active .yaosu{ 
    /* -webkit-animation-duration: 1s; 
    -moz-animation-duration: 1s; 
    -o-animation-duration: 1s; 
    animation-duration: 1s; 
    -webkit-animation-name: fadeInDown; 
    -moz-animation-name: fadeInDown; 
    -o-animation-name: fadeInDown; 
    animation-name: fadeInDown; 
    -webkit-animation-fill-mode: both; 
    -moz-animation-fill-mode: both; 
    -o-animation-fill-mode: both; 
    animation-fill-mode: both; 
    -webkit-animation-timing-function: ease-in-out; 
    -moz-animation-timing-function: ease-in-out; 
    -o-animation-timing-function: ease-in-out; 
    animation-timing-function: ease-in-out;  */
}
.section2.active img,.section3.active .middleContent, .section4.active .contentContainer h5{
    /* -webkit-animation-duration: 1s; 
    -moz-animation-duration: 1s; 
    -o-animation-duration: 1s; 
    animation-duration: 1s; 
    -webkit-animation-name: fadeInUp; 
    -moz-animation-name: fadeInUp; 
    -o-animation-name: fadeInUp; 
    animation-name: fadeInUp; 
    -webkit-animation-fill-mode: both; 
    -moz-animation-fill-mode: both; 
    -o-animation-fill-mode: both; 
    animation-fill-mode: both; 
    -webkit-animation-timing-function: ease-in-out; 
    -moz-animation-timing-function: ease-in-out; 
    -o-animation-timing-function: ease-in-out; 
    animation-timing-function: ease-in-out;  */
}
.section4.active .contentContainer .contentList{
    -webkit-animation-duration: 1s; 
    -moz-animation-duration: 1s; 
    -o-animation-duration: 1s; 
    animation-duration: 1s; 
    -webkit-animation-name: fadeInUp; 
    -moz-animation-name: fadeInUp; 
    -o-animation-name: fadeInUp; 
    animation-name: fadeInUp; 
    animation-delay: 0.5s;
    -webkit-animation-fill-mode: both; 
    -moz-animation-fill-mode: both; 
    -o-animation-fill-mode: both; 
    animation-fill-mode: both; 
    -webkit-animation-timing-function: ease-in-out; 
    -moz-animation-timing-function: ease-in-out; 
    -o-animation-timing-function: ease-in-out; 
    animation-timing-function: ease-in-out; 
}
.selectItemContainer a,a:link,
a:visited,
a:hover,
a:active{
  color: #ffffff;
  text-decoration: none;
  height:100%;
  flex:1;
}
.selected{
    background: #124AA0;
}
.selectItemContainer a:hover{
    background: #124AA0;
}
.selectItem{
    
    text-align: center;
    color: #ffffff;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.selectItem h5{
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: #FFFFFF;
    padding:0 !important;
    line-height:16px !important;
    margin:0 !important
}
.selectItem>div{
    font-size: 10px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #FFFFFF;
    margin-top:12px;
}
.line{
    width: 1px;
    height: 30px;
    background-color: #ffffff;
}
.selectedContainer{
    position: absolute;
    top:0;
    left:14%;
    z-index: 9;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    left: 15%;
}
.selectedContainer .title{
    font-size: 42px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #FFFFFF;
}
.selectedContainer .subtitle{
    font-size: 30px;
    font-family: Arial;
    font-weight: 400;
    color: #FFFFFF;
}
.section2{
   position: relative;
}
.xietong{
    padding-top:50px;
    /* padding: 146px 0 102px 0; */
    text-align: center;
    height:100%;
    position: absolute;
    top:0;
    left:0;
    width:100%;
    height:100%;
    display: flex;
    flex-direction: column;
}

.xietong .devide{
    width: 80px;
    height: 6px;
    background: #E3E8EF;
    margin: 0 auto;
    
}
.xietong .title{
    font-size: 42px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #124AA0;
    /* margin:15px 0 10px 0; */
}
.xietong .subtitle{
    font-size: 30px;
    font-family: Arial;
    font-weight: 400;
    color: #124AA0;
}
.xietongbottom{
    flex:1;
    background: url('../images/xietongbg.png');
    background-size: cover;
    position: relative;
}
.xietongbg{
    /* width:100%; */
    height:100%;
}
.xietongbottom .xietongimg{
    position: absolute;
    width:40%;
    left:30%;
    top:50%;
    transform: translateY(-50%) !important;
    z-index:1
}
.xietongContent{
    position: absolute;
    width:50%;
    top:50%;
    
    left:25%;
    transform: translateY(-50%);
    z-index:2
}
.section3{
    background: url(../images/要素资源-bg@2x.png) center top no-repeat;
}

.yaosu{
    text-align: center;
}
.yaosu .devide{
    width: 80px;
    height: 6px;
    background: #124AA0;
    margin: 0 auto;
}
.yaosu .title{
    font-size: 42px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #124AA0;
    margin:15px 0 10px 0;
}
.yaosu .subtitle{
    font-size: 32px;
    font-family: Arial;
    font-weight: 400;
    color: #124AA0;
}
.middleContent{
    display: flex;
    width:100%;
    /* margin-top: 30px; */

}

.middleContent .imgcontainer img{
    width:100%;
    height:100%;
}
.middleContent .contenttitle{
    font-size: 24px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    margin-bottom: 20px;
    color: #FFFFFF;
    text-align: center;
}
.contentText{
    position: absolute;
    bottom:20%;
    width: 72%;
    left: 14%;
}

.category__item {
    cursor: pointer;
    border:2px solid transparent;
    position: relative;
}
.category__item:hover .business-effect {
    background: #134BA1;
    -webkit-transition-delay: 0.5s; 
    -moz-transition-delay: 0.5s; 
    -o-transition-delay: 0.5s; 
    transition-delay: 0.5s; 
    opacity: 0.6;
}
.category__item:hover .business-effect .e-img-l { 
    left: 0;
    -webkit-transition: all 0.5s; 
    -o-transition: all 0.5s; 
    -moz-transition: all 0.5s; 
    transition: all 0.5s; 
 }
 .category__item:hover .business-effect .e-img-r { right: 0; -webkit-transition: all 0.5s; -o-transition: all 0.5s; -moz-transition: all 0.5s; transition: all 0.5s; }
 .business-effect { 
    position: absolute; 
    top: 0; left: 0; 
    width: 100%; 
    height: 100%; 
    overflow: hidden; 
    z-index: 2; 
}
.category__item:hover .contentText>.contenttitle{
    display: none;
}
.category__item:hover .maskContainer {
    opacity: 1; 
    z-index:9999;
    position: absolute;
    top:50%;
    transform: translateY(-50%);
    left:50%;
    transform: translateX(-50%);
    width:90%;
}
.maskContainer p{
    margin:0;
    padding:0;
    font-size: 24px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #FFFFFF;
}
.maskContainer a{
    font-size: 16px; 
    color: #fff; 
    width: 118px; height: 38px; 
    line-height: 38px; 
    border: 1px solid #fff;
    display: block;
    margin:0 auto 20px auto;
}
.category__item .business-effect .e-img-l { 
    position: absolute;
    top: 0; 
    left: -100%; 
    width: 100%;
    height: 100%; 
    -webkit-transition: all 0.5s; 
    -o-transition: all 0.5s;
    -moz-transition: all 0.5s; 
    transition: all 0.5s; 
}


.category__item .business-effect .e-img-l img { 
    display: block; 
    width: 100%; 
}
.business-effect .e-img-r { position: absolute; top: 0; right: -100%; width: 100%; height: 100%; -webkit-transition: all 0.5s; -o-transition: all 0.5s; -moz-transition: all 0.5s; transition: all 0.5s; }
.business-effect .e-img-r img { display: block;height: 100%; width: 100%; }
.category__item .maskContainer {
    opacity: 0; 
    display: block; 
    /* margin: 10% auto;  */
    -webkit-transition: all 0.5s; 
    -o-transition: all 0.5s; 
    -moz-transition: all 0.5s;
    transition: all 0.5s; 
    text-align: center;
    position: absolute;
}
.middleContent .owl-nav{
    display: block !important;
}
.owl-prev{
    position: absolute;
    right:-70px;
    top:50%
}
.owl-next{
    position: absolute;
    left:-60px;
    top:50%
}
.section4{
   position: relative;
}
.section4 .bg{
    position: absolute;
    top:3%;
    left:50%;
    transform: translateX(-50%);
}
.contentContainer{
    background: url('../images/qianglian.png');
    background-repeat: no-repeat;
    padding: 80px 0 90px 0;
    text-align: center;
}
.contentContainer h5{
    padding:0;
    margin:0;
    font-size: 30px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #FFFFFF;
}
.contentList{
    width:65%;
    margin:0 auto;
    margin-top: 70px;
}
.contentItem{
    width: 202px;
    height: 202px;
    background: rgba(18,74,160,0);
    border: 2px solid #316DCB;
    border-radius: 50%;
    font-size: 24px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #FFFFFF;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}