.about-top {
    height: 500px;
    background-image: url(../images/关于我们.png)
}

.about-nav {
    height:94px;
    background:rgba(241,241,241,1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-nav-ul {
    display: flex;
    justify-content: center;
    align-items: center;
    
}
.about-nav-ul li a{
    font-size:16px;
    font-weight:bold;
    color:rgba(51,51,51,1);
    position: relative;
}


.about-nav-span {
    margin-right: 60px;
    position: relative;
}
.about-nav-span:last-child {
    margin-right: 0;
}
.about-nav-span:before{
    content: "";
    position: absolute;
    left: 80px;  
    width:1px;
    height:16px;
    background:rgba(51,51,51,1);
}

.about-nav-span:hover {
    color: #40ACE7;
    cursor:pointer
}

.about-nav-ul {
    display: flex;
    justify-content: center;
    align-items: center;
}
.about-nav-co {
    color: #40ACE7;
}



.about-nav-line {
    width:1px;
    height:16px;
    background:rgba(51,51,51,1);
    margin: 0 60px 0 60px;
}

.about-cont {
    height: 868px;
    display: none;
}

.about-cont-title {
   display: flex;
   justify-content: center;
   align-items: center;
   margin-top: 98px;
}

.about-cont-title-line {
    width:60px;
    height:1px;
    background:rgba(77,77,77,1);
}

.about-cont-title-text {
    font-size:32px;
    font-weight:bold;
    color:rgba(51,51,51,1);
    margin: 0 13px 0 13px;
}

.about-cont-box {
    height: 320px;
    background:rgba(241,241,241,1);
    display: flex;
    margin-top: 78px;
}
.about-cont-box-lianxi {
    width: 1200px;
    height: 320px;
}
.about-cont-box-zuo {
    width:510px;
    height:320px;
}

.about-cont-box-right-text {
    text-indent: 2em;
    font-size: 16px;
    color: #333333;
    margin: 29px 42px 0 38px;
}
.about-cont-bom {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
}
.about-cont-bom-one {
    width: 257px;
    text-align: center;
    margin-top: 89px;
}
.about-cont-bom-one:nth-child(2){
    margin: 0 200px 0 200px;
    margin-top: 89px;

}
.about-cont-bom-one-img {
    width:48px;
    height:48px;
    background:rgba(64,172,231,1);
    border-radius:50%;
}

.about-cont-bom-one-title {
    font-size:24px;
    font-weight:bold;
    color:rgba(62,58,57,1);
    margin: 18px 0 16px 0;
}
.about-cont-bom-one-text {
    font-size:16px;
    color:rgba(4,0,0,1);
}





.about-cont-bom-contacts {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    justify-content: space-between;
    margin-top: 70px;
} 


.about-cont-bom-contact-title {
    font-size:16px;
    color:rgba(62,58,57,1);
    margin: 18px 0 16px 0;
}