*{
    margin: 0;
    padding: 0;
}
a{
    text-decoration: none;
}
.clear{
    clear: both;
}
.container{
    width: 100%;
    height: 100%;
    position: relative;
    background: url(./wb-head-20221026.jpg) no-repeat center top;
}
.head {
    width: 1380px;
    margin: 0 auto;
    height: 800px;
    position: relative;
}
.head .head-logoNew {
    position: absolute;
    top: 37px;
}
.head .nav {
    font-size: 18px;
    left: 260px;
    top: 46px;
    font-family: Arial;
    font-weight: 400;
    color: #FFFFFF;
    position: absolute;
}
.head .nav span {
    margin-right: 6px;
}
.head .nav a {
    font-size: 18px;
    color: #FFFFFF;
}
.topics{
    width: 1380px;
    text-align: center;
    margin: 0 auto;
}
.topics-title{
    font-size: 36px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #000000;
    margin-top: 53px;
    margin-bottom: 71px;
}
.topics-content{
    zoom: 1;
    overflow: hidden;
}
.topics-content > div{
    float: left;
    margin-right: 30px;
}
.topics-content > div:nth-child(3n){
    margin-right: 0px !important;
}
.topics-content-title{
    font-size: 24px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #000000;
    margin-bottom: 50px;
    margin-top: 35px;
}
.greenSmartCitiesEvents-container{
    background: #F1F2F5;
    padding-bottom: 10px;
}
.greenSmartCitiesEvents{
    width: 1380px;
    text-align: center;
    margin: 0 auto;
}
.greenSmartCitiesEvents-title{
    font-size: 36px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #000000;
    padding-top: 66px;
    padding-bottom: 48px;
}
.greenSmartCitiesEvents-content{
    zoom: 1;
    overflow: hidden;
}
.greenSmartCitiesEvents-content > div{
    float: left;
    margin-right: 20px;
    margin-bottom: 20px;
    width: 630px;
    position: relative;
    padding: 40px 24px;
    background: #fff;
    border: 1px solid #e9eef3;
    border-radius: 4px;
    box-shadow: 0 0 4px 0 rgb(3 40 56 / 14%);
}
.greenSmartCitiesEvents-content > div:nth-child(2n){
    margin-right: 0px !important;
}
.greenSmartCitiesEvents-content-head{
    width: 126px;
    height: 40px;
    color: #203b46;
    font-size: 18px;
    line-height: 40px;
    background: #dbf1f8;
    position: absolute;
    top: 0;
    right: 0;
}
.greenSmartCitiesEvents-content-timeTitle{
    margin-top: 12px;
    display: flex;
    text-align: left;
}
.greenSmartCitiesEvents-content-title{
    margin-left: 40px;
}
.greenSmartCitiesEvents-content-time div:nth-child(1){
    margin-top: 8px;
    color: #399!important;
    line-height: 18px;
    font-size: 16px;
}
.greenSmartCitiesEvents-content-time div:nth-child(2){
    margin-top: 4px;
    color: #203b46;
    line-height: 50px;
    font-size: 36px;
}
.greenSmartCitiesEvents-content-title div:nth-child(1){
    color: #203b46;
    line-height: 32px;    
    font-size: 28px;
}
.greenSmartCitiesEvents-content-title div:nth-child(2){
    color: #011a27;    
    line-height: 21px;
    font-size: 18px;
    margin-top: 24px;
    margin-bottom: 24px;
}
.greenSmartCitiesEvents-content-imgText{
    display: flex;
    text-align: left;
    padding-top: 24px;
    border-top: 1px solid rgba(0,0,0,.06);
}
.greenSmartCitiesEvents-content-img img{
    width: 160px;
    height: 90px;
    border-radius: 4px;
}
.greenSmartCitiesEvents-content-text{
    margin-left: 16px;
    display: -webkit-box;
    overflow: hidden;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    color: rgba(0,0,0,.85);
    font-size: 16px;
    line-height: 1.5715;
}
.contactUs{
    font-size: 0;
}
.contactUs img{
    width: 100%;
    font-size: 0;
}
.footer{
    height: 68px;
    background: #222937;
    font-size: 16px;
    font-family: Arial;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 68px;
    text-align: center;
}
.aboutT20{
    display: inline-block;
    height: 58px;
    width: 238px;
    font-size: 36px;
    font-family: Arial;
    background: #48b8ba;
    color: #fff;
    text-align: center;
    line-height: 58px;
    border-radius: 29px;
    position: absolute;
    left: 50%;
    top: 510px;
    transform: translate(-50%,-50%);
}