@media screen and (min-width: 1000px) {
 	.top-sel-m {
		display: none;
	}
 	.bg{
		height: 100%;width: 100%;
		background: url('../img/bg.jpg');
		background-size:cover;
		background-attachment: fixed;
	}
	.nav-r{
		display: flex;
	}
	.navbar-brand{
		display: flex;
	}
	.nav{
		padding-right: 40px;
	}
	.nav-items{
		float:left;
		width:80%;
	}
	.nav-item{
		padding-right: 1rem;
	}
	.navbar{
		padding-left: 40px;
	} 
	.answer-u{
		padding: 5px 0px;
	}
	.nav-sq{	
		padding-top: 8px;
		text-align: center;
		float:right;
	}
	.col-lg-big {
		-ms-flex: 0 0 33.333333%;
		flex: 0 0 43.8%;
		max-width: 44.333333%;
	}
	.blf {
		/* border-left:thick double #e6e9ec; */
		border-style: solid;
		border-left-width: 10px;
		border-left-color: #e6e9ec00;;
	}
	kbd {
		padding: .2rem .3rem;
		font-size: 80%;
		color: #393939;
		background-color: #ffffff;
		border-radius: .2rem;
		margin:5px;
	}
	.dropdown-show {
		line-height: 2rem;
		text-align: center;
	}
	.dropdown-m{
		display: inline;
	}
	.guanzhu{
		display:block;
	}
	.head-img{
		width:45px;
		height:45px;
	}
	.share-list{
		display:block;
		position: absolute;
		z-index: 10;
		background-color: white;
		margin-left: -30px;
		font-size:14px
	}
	.share{
		display:block;
	}
	.logo_mobile {
		display:none;
	}
	
}