.top{
 background-color: rgb(0, 0, 0);
    height: 120px;
  }
  .navbar-brand img{
      height: 50px;
    
  }
  .nav-item{
    font-size: 1.3em;
  }
  #nav2{
    display: none;
   }
  @media (max-width:800px){
.nav-item{
    font-size: 1.25em;
}
.foot-ic{
    display: none !important;
}
.foot-ic1{
    display: block;
}
#nav2 .nav-item a{
   color: white;
    }
.top-over{
    padding-top: 169px;
background-color: rgb(94, 91, 91);
}

#nav1{
    display: none;
}
#nav2{
    display: flex;
    top: 120px;background-color: rgba(0, 0, 0, 0.596);

}
#foot-text {
    margin-top: 0px !important;

}

.foot-text{
    margin-left: 0px !important;
    
}
.wechat{
    width: 80px;
    height: 80px;
}
}


.top-over{
    height: 120px;
    background-color: rgb(6,15,43);

  }
@media screen and(max-width:1200px){
    #nav1 .nav-item a{
        margin:0em 0.8em;
        padding:0.3em 0.8em;
        }
        .top-over{
            padding-top: 120px;

        }
     
       
      
}
.active{
    background-color:rgb(71, 158, 227) !important;
    color: white !important;
    font-weight: 550;
}


@media(min-width:800px){
    .wechat{
        width: 100px;
        height: 100px;
    }
    .foot-ic{
        display: block;
    }
  .foot-ic1{
      display: none !important;
  }
}
@media(min-width:1200px){
    #nav1 .nav-item a{
        margin:0em 1em;
        padding: 0.5em 3em;
        
        }
     
        .foot-text{
            margin-left: 50px !important;
        }
       
}
 #nav1 .nav-item a{
    color: rgb(71, 158, 227) ;
    border: 2px solid black;

 }
 #nav1 .nav-item a:hover{
    border: 2px solid white;

 }
 #nav1 .nav-item a .active{
   border:0px !important;
    color: rgb(71, 158, 227) ;
background-color: white;
 }
 
 .nihao{color: rgb(233, 154, 35); 
    font-size: 16px;
    margin-top: 50px;}
    @media (max-width:1300px) {
        #fot-xian{
        display: none;
      }
      }
      @media (min-width:1300px) {
        #fot-xian{
          display: block;
        height: 200px;
      }}
     .carousel-caption{

        bottom: 200px ;
     }
     .carousel-caption>h1{
      font-size: 8em;
     }
     .carousel-caption h1p{
        font-size: 3em;
       }