* {
  box-sizing: border-box;
}
body {
  font-size: 14px;
  background-color: #555555;
}
.v2_2 {
  width: 940px;
  height: 705px;
  background: rgba(188,191,193,1);
  opacity: 1;
  position: absolute;
  right: 0;
  left: 0;
  margin: auto;
  overflow: hidden;
}

.v2_3 {
  width: 928px;
  height: 69px;
  background: rgba(74,50,168,1);
  opacity: 1;
  top: 630px;
  left: 6px;
  position: absolute;
  overflow: hidden;
}

.v18_4 {
  width: 928px;
  height: 200px;
  background: url("banner.png");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  opacity: 1;
  position: absolute;
  top: 50px;
  left: 6px;
  overflow: hidden;
}

.v18_7 {
  width: 940px;
  height: 705px;
  background: url("Under.png");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  opacity: 1;
  position: absolute;
  top: 0px;
  left: 0px;
  overflow: hidden;
}

.v18_3 {
  width: 928px;
  height: 60px;
  background: rgba(74,50,168,1);
  opacity: 1;
  position: absolute;
  top: 257px;
  left: 6px;
  overflow: hidden;
}