.usb-list1
{
    text-align: center;
}
.usb-list1-p1
{
    font-size:34px;
    font-family:PingFang-SC-Heavy,PingFang-SC;
    font-weight:800;
    color:rgba(38,48,75,1);
    line-height:51px;
}

.usb-list2
{
    text-align: center;
}
.usb-list4
{
    text-align: center;
    margin-bottom: 263px;
}
.usb-list2-p1
{
    margin-top: 140px;
    font-size:34px;
    font-family:PingFang-SC-Heavy,PingFang-SC;
    font-weight:800;
    color:rgba(38,48,75,1);
    line-height:51px;
}
.usb-list2-p2
{
    font-size:18px;
    font-family:PingFang-SC-Heavy,PingFang-SC;
    font-weight:800;
    color:rgba(133,142,154,1);
    line-height:38px;
}