@media only screen and (min-width: 768px){
	#mycontent{
		width: 100%;
		background: url(../img/bg.jpg);
		background-position: top center;
		height: 10100px;
		background-repeat: no-repeat;
	}
	#t1{
	font-size: 92px;
	margin-top: 150px;
	}
	#t2{
		font-size: 48px;
		margin-top: 100px;
	}
	#banner-p{
		display: block;
		margin: 0 auto;
	}
	#banner-p{
	margin-top: 150px;
	margin-left: -50px;
	}
	#xijie5,#xijie6{
	height: 763px;
	background-position: center;
	padding-top: 1px;
	}
	#control-inf{
		width: 460px;
		margin-left: 60px;
		margin-top: 500px;
	}
	#pro-inf .ltit{
	color: white;
	padding: 30px;
	}
	#con3{
		margin-top: 450px;
	}
	#con4{
		margin-top: 300px;
	}
	#shipin{
		width: 75%;
		display: block;
		margin: 0 auto;
		margin-top: 15px;
		color: #1f1f1f;
	}
	#con1{
		margin-top: 200px;
	}
}
@media only screen and (max-width: 770px){
	#t1{
	font-size: 36px;
	margin-top: 48px;
	}
	#t2{
		font-size: 24px;
		margin-top: 24px;
		line-height: 36px;
	}
	#banner-p{
		margin-top: 48px;
		width: 95%;
	}
	#banner{
		background: #9200e1;
	}
	#xijie5,#xijie6{
	background-color:#EEEEEE;
	background-size: contain;
	height: 450px;
	background-position: bottom;
	padding-top: 1px;
	background-repeat: no-repeat;
	}
	#control-inf{
		padding: 15px;
	}
	#pro-inf .ltit{
	color: #1f1f1f;
	line-height: 28px;
	padding: 30px;
	font-size: 14px;
	}
	#con1{
		margin-top: 60px;
	}
}
#t1,#t2{
	font-family: "微软雅黑";
	letter-spacing: 2px;
	color: white;		
}

*{
	padding: 0;
	margin: 0;
	list-style: none;
	text-decoration: none;
}
body,html{
	font-family: "微软雅黑";
}
.segltop{
	margin-top: 35px;
}
.segbtop{
	margin-top: 60px;
}
.bgtit{
	font-size: 48px;
	color: #1f1f1f;
	position: relative;
	display: block;
	padding-left: 35px;
	line-height: 75px;
	z-index: 100;
}
.ltit{
	font-size: 24px;
	color: #1f1f1f;
	line-height: 48px;
}
.content{
	font-size: 14px;
	color: #4f4f4f;
	line-height: 28px;
}
.bgtit:before{
	content: "";
	width: 75px;
	height: 75px;
	background: #db41f2;
	border-radius: 50%;
	display: block;
	position: absolute;
	z-index: -1;
	left: 0;
}
#xijie5{
	background-image: url(../img/xijie5.jpg);
}
#xijie6{
	background-image: url(../img/xijie6.jpg);
}

#return-top{
	position: fixed;
	width: 48px;
	height: 48px;
	background: rgba(0,0,0,0.8);
	right: 10px;
	bottom: 15px;
	padding: 10px 5px 0 5px;
	display: none;
	cursor: pointer;
}
#return-top:hover{
	background: rgb(0,0,0);
}