/*************** banner **********************/
.banner{
    background: url('./../images/about/未标题-1.png') no-repeat;
    background-size:100% 100%;
    height: 500px;
    overflow: hidden;
}
.banner h1{
    margin-top: 130px;
    font-size: 36px;
    font-weight: bolder;
    text-align: center;
}
.banner hr{
    width: 80px;
    border-top: 1px solid #747474
}
.banner div{
    color:#fff
}
.banner .container{
    padding: 0 250px;
}
.banner .container h2{
    text-align: center;
    margin-top: 80px;
    font-weight: bolder;
}
.banner .container hr{
    width: 40px;
    border-top: 1px solid #747474;
    margin: 12px auto;
}
.banner .container .english-introduction{
    text-align:center;
    text-transform: uppercase;
    color: #9E9E9E;
    letter-spacing: 4px;
    margin-bottom: 60px
}
/*************** introduction **********************/
.introduction{
    overflow: hidden;
}
.introduction h2{
    font-size: 36px;
    font-weight: bolder;
    text-align: center;
}
.introduction hr{
    width: 40px;
    border-top: 1px solid #747474
}
.introduction .english-introduction{
    text-align:center;
    text-transform: uppercase;
    color: #9E9E9E;
    letter-spacing: 4px;
    margin-bottom: 60px
}
.work-space{
    margin-top: 24px;
    display: flex;
    justify-content: space-between;
}
.work-space div{
    width: 12.5%
}
.introduction .btn1{
    display: inline-block;
    width: 10%;
    height: 25px;
    border: 1px solid #DFDFDF;
    text-align: center;
    line-height: 25px;
    padding: 0;
}
.btn1:focus{
    background-color:#009BFF;
    color: #fff;
    outline: none;
}
.btn1:hover{
    cursor: pointer
}
/*************** step **********************/
.step{
    background: url('./../images/about/未标题-3.png') no-repeat;
    margin-top:50px;
    background-position:center;
    
    padding-top: 50px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}
.step h3{
    margin: 0;
    font-size: 17px;
}
.step img{
    margin: 0 auto;
}
.step p{
    margin-top: 12px;
    margin-bottom: 20px;
}
.step-content{
    display: flex;
    justify-content: space-between;
}
.step-content div{
    width: 45%;
}
.step-content div:first-of-type h3{
    text-align: right;
}
.big-img{
    width: 20px;
    height: 20px;
}
.small-img{
    width: 15px;
    height: 15px;
}
.elite-team{
    margin-top: 70px
}
/*************** department **********************/
.department{
    display: flex;
    height: 417px;
}
.department>div{
    width: 25%;
    
}
.department-info div:first-of-type img{
    width: 100%;
    height: 370px;
}
.department h4{
    text-align: center;
    height: 45px;
    line-height: 45px;
    background-color: #fff;
    color: #1981D4;
    margin: 0;
    font-weight: bolder;
}
.department-info{
    position: relative;
    
}
.department-info div:first-of-type{
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}
.hover-div{
    position: absolute;
    top: 0;
    left: 0;
    z-index: -999;
    display: flex;
    flex-direction: column;
    background-color: rgba(255, 255, 255, 0.8);
    height: 100%;

}
.hover-div img{
    width: 50px;
    height: 50px;
    margin: 40px auto 10px;
}
.hover-div h4{
    background-color: transparent;
    font-size: 24px;
    color: #4F4D4D
}
.hover-div hr{
    width: 40px;
    margin: 15px auto 20px;
    border-top: 2px solid #1981D4
}
.hover-div p{
    padding: 0 15px;
    font-size: 17px;
    color: #4F4D4D
}
.info-div01{
    background: url('./../images/about/未标题-7.png') no-repeat;
}
.info-div02{
    background: url('./../images/about/未标题-8.png') no-repeat;
}
.info-div03{
    background: url('./../images/about/未标题-9.png') no-repeat;
}
.info-div04{
    background: url('./../images/about/未标题-10.png') no-repeat;
}
.info-div05{
    background: url('./../images/about/未标题-11.png') no-repeat;
}
/*************** 证书轮播 **********************/
.certificate{
    display: flex;
    width: 100%;
}
.pictures{
    width: 100%;
    height: 149px;
    overflow: hidden;
    position: relative;
}
.inner-pictures{
    position: absolute;
    display: flex;
}
.inner-pictures img{
    width: 200px;
    height: 149px;
    margin-right: 10px;
}
.turn-left{
    width: 14px;
    height: 28px;
    margin: auto 30px auto 13px;
    background: url('./../images/about/未标题-15.png') no-repeat;
}
.turn-right{
    width: 17px;
    height: 28px;
    margin: auto 13px auto 30px;
    background: url('./../images/about/未标题-14.png') no-repeat;
}
.turn-left:hover,.turn-right:hover{
    cursor: pointer;
}
/*************** more **********************/
.bottom-container{
    background: #F7F7F7;
    padding-top: 40px;
    padding-bottom: 40px;
}

/*************** footer **********************/
.footer{
    margin-top: 100px;
}
.footer .container{
    display: flex;
}
.contact{
    width: 80%
}
.contact a{
    color: #000;
}
.contact ul:first-of-type{
    display: flex;
}
.contact ul:first-of-type li span:last-of-type{
    margin: 0 5px;
}
.contact ul:last-of-type{
    margin-top: 30px;
}
.contact ul:last-of-type li:last-of-type{
    margin-top: 5px;
}
.QR-code{
    width: 20%;
    text-align: right;
}
.contact-secondul img{
    width: 18px;
    height: 18px;
    
}
.contact-secondul li{
    display: flex;
}
.contact-secondul span{
    display: inline-block;
    /* padding-top: 5px; */
    margin-left: 7px;
}
.copyright{
    margin-top: 50px;
    color:#7E7A7A;
    text-align: center;
}

