.head-b{
    background: #004182;
    opacity: .7;}

.bmim{
    color: #fff;
    opacity: .5;}
.nwpic{
    width: 100%;
    height: 100%;}
.part4 li .tit{
    margin:0;}
.part4 li .tit p{
    height: 40px;}
.part4 li{
    padding:0;
    margin:0;}
.part4{
    padding-top: 0;}
.copyright p a{
    color: #a3b1c7;}