@charset "utf-8";
html,
body {
  
}
/*------------------------背景----------------------*/
.bgImg {
  margin: 0px;
}
.bgImg::before {
  content: "";
  display: block;
  position: fixed;
  top: 0px;
  left: 0px;
  z-index: -1;
  width: 100%;
  height: 100vh;
  background-image: url(../img/bg.jpg);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0.8;
}