#bg{
  position:fixed;
  top:0;
  bottom:0;
  right:0;
  left:0;
  z-index:-2;
  background-color:#000;
  // background-image:url(../img/bg5.jpg);
  background-repeat:none;
  background-position:center;
  background-size:cover;
}
#bg-mask{
  position:fixed;
  top:0;
  bottom:0;
  right:0;
  left:0;
  z-index:-1;
  background-color:rgba(0,0,0,0.8);
  background-image:url(../img/mask.png);
  background-repeat:repeat;
  // background-position:center;
  // background-size:cover;
}
.header{
  // border:1px solid #333;
  .navbar-brand{
    padding:0;
  }
  .navbar{
    margin:0;
  }
}

.product-list{
  width:900px;
  list-style:none;
  padding:0;
  margin:0 auto;
  .product{margin-bottom:100px;}
  .product-img{
    img{
      width:100%;
    }
  }
  .product-tit{
    color:#fff;
  }
}

.product-desc{
  padding:30px;
}