/* banner */
.banner{
    padding: 56px 20px;
    box-sizing: border-box;
    background: linear-gradient( 89deg, #C2DEFE 0%, #B2FCF8 100%);
    position: relative;
    text-align: center;
}
.banner::before{
    position: absolute;
    top: 0;
    left: 0;
    clear: both;
    content: "";
    background: url(/img/downloading/bannerbg1.svg) no-repeat;
    width: 546px;
    height: 294px;
}
.banner::after{
    position: absolute;
    top: 0;
    right: 0;
    clear: both;
    content: "";
    background: url(/img/downloading/bannerbg2.svg) no-repeat;
    width: 546px;
    height: 294px;
}
.banner h1{
    font-weight: bold;
    font-size: 36px;
    color: #1A224D;
    line-height: 40px;
    margin-bottom: 20px;
}
.banner p{
    color: #000000;
    font-size: 16px;
    margin-bottom: 8px;
    line-height: 28px;
}
.banner .container>img{
    margin: 32px auto 0;
    display: inline-block;
    max-width: 100%;
    height: auto;
}
h2{
    font-weight: 600;
    font-size: 30px;
    color: #1A224D;
    text-align: center;
}

/* step_change */
.step_change {
    margin: 120px auto;
}
.step_change >.flex-box{
    margin-top: 64px;
    align-items: center;
}
.step_change .step_left{
    border-radius: 10px 10px 10px 10px;
    background: #AFE1FB;
    padding: 10px;
    box-sizing: border-box;
}
.step_change .step_left video{
    border-radius: 10px 10px 10px 10px;
    max-width: 500px;
    width: 100%;
    cursor: pointer;
}
.step_change .step_right{
    max-width: 520px;
    width: 100%;

}
.step_change .step_item{
    margin-top: 24px;
}
.step_change .step_item:first-child{
    margin-top: 0;
}
.step_change .step_item span{
    font-weight: bold;
    font-size: 20px;
    color: #12AB8D;
    line-height: 28px;
    margin-bottom: 16px;
    display: inline-block;
}
.step_change .step_item p{
    font-size: 16px;
    color: #000000;
    line-height: 28px;
}



/* reason_box */
.reason_box {
  padding-bottom: 100px;
}
.reason_box .flex-wrapper {
  margin-top: 50px;
  gap: 60px;
}
.reason_box .wrap-item {
  box-shadow: 0 0 55px 5px rgba(0, 0, 0, 0.06);
  border: 1px solid #fff;
  padding: 25px 25px 55px;
  background-color: #fff;
  text-align: center;
  flex: 0 0 225px;
  transition: box-shadow 0.3s;
}
.reason_box .wrap-item:hover {
  box-shadow: 0 0 55px 5px rgba(0, 0, 0, 0.1);
}
.reason_box .wrap-item .iconfont {
  padding: 30px;
  font-size: 50px;
  color: #21d2bd;
  display: block;
  transition: all 0.3s;
}
.reason_box .wrap-item .iconfont:hover {
  transform: scale(1.2);
}
.reason_box .wrap-item-title {
  font-size: 20px;
  font-weight: bold;
  color: #000;
  margin: 25px 0 10px;
}
.reason_box .wrap-item-info {
  font-size: 16px;
  font-weight: normal;
  color: #000;
  line-height: 1.5;
}



@media screen and (max-width: 1200px) {
    .banner::before,
    .banner::after{
        display: none;
    }
    .step_change >.flex-box{
        flex-direction: column;
        justify-content: center;
    }
}
@media screen and (max-width: 760px) {
    .banner::before,
    .banner::after{
        display: none;
    }
    .banner{
        padding: 40px 20px;
    }
    .step_change >.flex-box{
        flex-direction: column;
        justify-content: center;
        margin-top: 36px;
    }
    .banner h1{
        font-size: 28px;
        line-height: 36px;
    }
    .step_change {
        margin: 70px auto;
    }
    .step_change .step_right{
        margin-top: 32px;
    }
    h2{
        font-size: 24px;
        line-height: 32px;
    }
    .reason_box .wrap-item{
        flex: none;
        max-width: 90%;
    }
}