.assistant-banner {
    -webkit-background-size: cover;
    background-size: cover;
}
.assistant-banner img{
    display: block;
    width: 1200px;
    height:100%;
    margin: auto;
}
.bargain-function .bargain-title{
    padding: 53px 0 61px;
}
.bargain-title{
    font-size:30px;
    font-family:PingFang SC;
    font-weight:bold;
    color:rgba(59,66,107,1);
    line-height:32px;
}
.bargain-icon{
    width: 880px;
    margin: 0 auto;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
}
.bargain-icon .item{
    display: flex;
    flex-direction: column;
    align-items: center;
}
.bargain-icon .item p{
    font-size:22px;
    font-family:PingFang SC;
    font-weight:500;
    color:rgba(93,100,148,1);
    line-height:30px;
}
.function-content{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    margin-bottom: 15px;
}
.content-txt{
    width: 470px;
    text-align: left;
    display: flex;
    flex-direction: column;
}
.content-txt .content-title{
    font-size:26px;
    font-family:PingFang SC;
    font-weight:bold;
    color:rgba(59,66,107,1);
    line-height:56px;
    padding-top: 210px;
}
.content-txt p{
    font-size:16px;
    font-family:PingFang SC;
    font-weight:500;
    color:rgba(93,100,148,1);
    line-height:48px;
}
.diyImg{
  padding-bottom: 61px;
}
.diyImg img{
    width:694px;
    border: 0;
    margin: auto;
}
.fourImg{
    padding-bottom: 84px;
}
.fourImg img{
    width: 100%;
    border: 0;
    display: block;
    margin: auto;
}