.center_1{
    text-align:left;
    color: aliceblue;
}

.center_1_1{
    padding: 6vh 0 0 10vw;

}

.center_1_1_1{
    font-size: 40px;
    font-weight: 545;
    letter-spacing: 1rem;
    line-height: 64px;
    padding-bottom: 8px;

}

.center_1_1_2{
    width: 35px;
    height: 2px;
    background: #fff;
    margin-bottom: 10px;
}
.gudong div img{
 padding-left: 5vw;
    
}
.gudong div{
    transition-duration: 500ms;
    transition-timing-function:ease-out;
    transition-property: all;
   
}

.cent_2{
    background: #F3F9FF;
    width: 100vw;
    margin: 0;
    padding: 0;
    position: relative;
    padding-bottom: 28px; 
}

.cent_2 img{
  width: 100vw;
  font-size: 0;
}
.cent_2_2{
    position: absolute;
    top: 45px;
    left: 4vw;
}
.cent_2_2_title{
    text-align: left;
    font-size: 22px;
    line-height: 32px;
    color:#fff;
    padding-bottom: 15px;
}
.cent_2_2_cent{
    text-align: left;
    font-size: 14px;
    line-height: 23px;
    color:#fff;
    padding-bottom: 15px;
    width: 85vw;
}
.cent_4{
    width: 100vw;
}
.cent_4_1{
    width: 92vw;
    margin: auto;
    height: 195px;
    background: #F3F9FF;
    border-radius: 32px;
    margin-top:45px;
    position: relative;
}
.cent_4_1 img{
    position: absolute; 
    top: -40px;
    left: 36vw;
    width: 80px;
}
.cent_7{
    width: 100vw;
}

.cent_7 img{
    width: 100vw;
}

.cent_tu{
    width: 94px;
    float: left;
    padding: 0 12px 20px 12px;
}
.cent_tu img{
    width: 94px;
    text-align: center;
    clear: both;
}