.us {
    background: #FFF;
    padding: 50px 0 300px;
}
.us ul {
    width: 225px;
    margin: auto;
}
.us ul li {
    margin-bottom: 10px;
}
.us ul li i {
    float: left;
    width: 20px;
    height: 20px;
    background: url(/res/Home/structure/20060368.png) no-repeat;
    margin-right: 15px;
    margin-top: 2px;
}
.us ul li i.us-li1 {
    background-position: 0 0;
}
.us ul li i.us-li2 {
    background-position: 0 -30px;
}
.us ul li i.us-li3 {
    background-position: 0 -62px;
}
.us ul li i.us-li4 {
    background-position: 0 -97px;
}
.us ul li i.us-li5 {
    background-position: 0 -130px;
}