.w1200{
    width: 1200px;
    margin: 0 auto;
}
.w1310 {
    width: 1310px;
    margin: 0 auto;
}
.posre{
    position: relative;
}
.textcenter {
    text-align:center;
}
.btcbner {
    width: 100%;
    height: 1140px;
    background:url(../images/blockintegrity/itbner.png) center 0 no-repeat;
}
.btnimg {
    position: relative;
    text-align: center;
    padding-top: 550px;
}
.btnimg img {
    padding: 90px 0 140px;
}
.btnimg ul {
    position: absolute;
    bottom: 0;
    top: 660px;
    left: 97px;
    width: 1007px;
    overflow: hidden;
}
.btnimg ul li {
    float: left;
    width: 56px;
    height: 340px;
    margin-right: 50px;
}
.btnimg ul li.li5,
.btnimg ul li.li7,
.btnimg ul li.li8 {
    margin-right: 49px;
}
.btnimg ul li.li0 {
    margin-right: 0;
}
.btnimg ul li a {
    display: block;
    height: 100%;
    border-radius: 50px;
}
.qkimgbox {
    display: inline-block;
    width: 194px;
    height: 50px;
    position: absolute;
    left: 50%;
    margin-left: -97px;
}
.qkimgbox1 {
    bottom: 730px;
}
.qkimgbox2 {
    bottom: 60px;
}
.qkimgbox3 {
    top: 604px;
}
.qkimgbox4 {
    top: 1292px;
}
.qkimgbox5 {
    bottom: 60px;
}
.qkimgbox6 {
    top: 572px;
}
.qkimgbox7 {
    top: 1285px;
}
.qkimgbox8 {
    bottom: 64px;
}
.qkimgbox9 {
    top: 594px;
}
.qkimgbox10 {
    top: 1296px;
}
.qkimgbox11 {
    bottom: 28px;
    margin-left: -102px;
}