.main {
  font-family: 'microsoft yahei';
  position: absolute;
  width: 2000px;
  left: 50%;
  margin-left: -1000px;
  top: 0;
}

.sevenRoadTop {
  position: relative;
}

.logo {
  width: 285px;
  height: 215px;
  background: url(../images/logo.png);
  position: absolute;
  left: 43%;
  top: 3%;
  cursor: pointer;
}

.bigger {
  transform: scale(1.13);
}

.btn_wrap {
  position: absolute;
  width: 1040px;
  height: 420px;
  top: 620px;
  left: 483px;
  margin-top: 10px;
}

.btn {
  transition: transform 0.5s;
  cursor: pointer;
  width: 326px;
  height: 145px;
  float: left;
}

.btn_2 {
  margin-left: 160px;
}

.btn_4 {
  margin-left: 385px;
}

.btn_5 {
  margin-left: 70px;
}

.btn_6 {
  margin-left: 385px;
}

.w2k {
  width: 100%;
  height: 564px;
  position: relative;
}

.w2k .bkgd {
  width: 100%;
  height: 100%;
  position: absolute;
}

.w2k.index {
  height: 1100px;
}

.sevenRoadBlackFooter {
  position: relative;
}

.fixed {
  height: 421px;
  width: 153px;
  position: fixed;
  right: 10px;
  top: 50%;
  margin-top: -210px;
}

.fixed .item {
  position: relative;
  margin: 0 auto;
  text-align: center;
  height: 35px;
  line-height: 35px;
  width: 142px;
  color: #e6d9ff;
  cursor: pointer;
}

.fixed .item.odd {
  background: url(../images/fix.png) 0 -212px;
}

.fixed .item.even {
  background: url(../images/fix.png) 0 -247px;
}

.fixed .item.fixed_top {
  width: 100%;
  height: 139px;
  background: url(../images/fix.png);
}

.fixed .item.fixed_bottom {
  cursor: pointer;
  width: 100%;
  height: 73px;
  background: url(../images/fix.png) 0 -139px;
}