.nav {
    width: 100%;
    background: rgba(0, 0, 0, 0.5);
    position: fixed;
    top: 0;
    z-index: 999;
}
.nav_wrap {
    width: 1200px;
    height: 80px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav ul {
    list-style: none;
}
.nav ul li {
    float: left;
}
.nav ul li a {
    width: 100px;
    height: 36px;
    font-size: 16px;
    font-family: MicrosoftYaHei;
    font-weight: 400;
    color: #ffffff;
    line-height: 36px;
    padding: 0 10px;
    border-radius: 18px;
    display: block;
    text-align: center;
    margin-left: 20px;
    text-decoration: none;
}
.active {
    background: #F91535;
}


.modal,.aboutusModal,.connectusModal{
    position:fixed;
    top:0;
    width:100%;
    height:100%;
    z-index: 999;
    background-color: rgba(0, 0, 0, .5);
    display: none;
}
.modal p{
    margin:0;
    padding:0;
}
.modal-center{
    width:460px;
    height:514px;
    background: #fff;
    position:absolute;
    left:50%;
    top:50%;
    border-radius: 8px;
    transform: translate(-50%,-50%);
    display: flex;
    align-items: center;
    flex-direction: column;

}

.modal .modal-center img:first-of-type{
    margin:40px 0 25px 0;
}
.modal .modal-center p:first-of-type{
    font-size:24px;
}
.modal .modal-center img:last-of-type{

}

.modal .modal-center p:last-of-type{
    margin-top:20px;
    font-size:22px;
}
.modal-center span{
    font-size:30px;
    width:58px;
    height:58px;
    border-radius: 50%;
    background: #fff;
    position: absolute;
    bottom:-80px;
    text-align: center;
    line-height: 58px;
    cursor: pointer;
}

.aboutusModal .modal-center,.connectusModal .modal-center{
    width:1000px;
    height: 600px;
    padding:0 100px;
    box-sizing: border-box;
}
.aboutusModal p:first-child{
    margin:0;
    margin:70px 0 20px 0;
    text-transform: uppercase;
    font-size:40px;
    font-family:MicrosoftYaHei-Bold;
    font-weight:bold;
    color:rgba(0,0,0,1);
}
.aboutusModal em{
    font-style: normal;
    font-size: 24px;
    color:#666;
}
.aboutusModal div p{
    font-size:24px;
    font-family:MicrosoftYaHei;
    font-weight:400;
    color:rgba(34,34,34,1);
}

.connectusModal .modal-center{
    padding-top:20px;
    align-items: flex-start;
}
.connectusModal .modal-center>p:first-child{
    margin-bottom:0;
    padding-bottom: 28px;
    border-bottom:4px solid #000;
    width:100%;
    font-size:40px;
    font-family:MicrosoftYaHei;
    font-weight:bold;
    color:rgba(0,0,0,1);
    position: relative;
}
.connectusModal .modal-center>p:first-child::after{
    content: '';
    position: absolute;
    width: 160px;
    height: 4px;
    background-color: #F91535;
    bottom: -4px;
    left: 0;
}
.connectusModal .modal-center div{
    margin-top:50px;
    width:100%;
    height:40px;
    background-position-y: center;
}

.connectusModal .modal-center div:nth-of-type(1){
    background: url(/static/images/icon_phone.png) no-repeat;
}

.connectusModal .modal-center div:nth-of-type(2){
    background: url(/static/images/icon_computer.png) no-repeat;
}
.connectusModal .modal-center div:nth-of-type(3){
    background: url(/static/images/icon_email.png) no-repeat;
}
.connectusModal .modal-center div:nth-of-type(4){
    background: url(/static/images/icon_address.png) no-repeat;
}
.connectusModal .modal-center div p{
    margin:0;
    line-height: 40px;
    padding-left:60px;
    font-size:22px;
    font-family:MicrosoftYaHei;
    font-weight:400;
    color:rgba(34,34,34,1);
}
.modal-center span{
    left:50%;
    transform: translate(-50%,0);
}