.header {
  text-align: center; }

.body_bg {
  background: url("https://www.iwanpa.com/~x1/style/wxstyle/release/pc/v1/img/topic/zb_clump/bg.jpg"); }
  .body_bg .main {
    width: 1000px;
    margin: 0 auto;
    position: relative; }
  .body_bg .list {
    position: absolute;
    top: 1468px;
    left: 102px;
    width: 814px;
    height: 430px; }
    .body_bg .list li {
      height: 157px;
      width: 214px;
      padding: 18px;
      padding-top: 22px;
      float: left;
      margin: 10px;
      background: url("https://www.iwanpa.com/~x1/style/wxstyle/release/pc/v1/img/topic/zb_clump/pic6.jpg") no-repeat 0 0; }
    .body_bg .list a {
      cursor: pointer; }
    .body_bg .list img {
      width: 100%;
      height: 100%; }
  .body_bg .btn {
    height: 56px;
    width: 215px;
    display: block;
    position: absolute;
    bottom: 281px;
    left: 393px;
    background: url("https://www.iwanpa.com/~x3/style/xiu/v1/img/activity/blank.gif"); }