.prof_communicate{
	width: 100%;
	height: 8.48rem;
	background:url(../images/profess_01.jpg) no-repeat center center;
	background-size:cover;
	overflow:hidden;
}
.prof_com_title{
	font-size:0.66rem;
	padding-top:1.65rem;
	line-height:1rem;
	text-align:center;
	color:transparent;
	letter-spacing:0.1rem;
	position: relative;
}
.prof_com_title>img{
	height:1.65rem;
	width: 5.93rem;
	top:1.75rem;
	margin-left:-2.97rem;
}

.prof_communicate .register_btn{
	left:50%;
	margin-left:-1.3rem;
	top:4.83rem;
}

.prof_tec{
	width: 100%;
	height: 6.7rem;
	background:url(../images/profess_03.jpg) no-repeat center center;
	/* background-size:cover; */
	background-size:25.60rem 6.7rem;
}
.prof_tec_tit{
	font-size:0.55rem;
	padding-top:1.34rem;
	line-height:0.80rem;
	text-align:center;
	/* color:#333; */
	color:transparent;
	position:relative;
	/* letter-spacing:0.05rem; */
}
.prof_tec_tit>img{
	height: 1.31rem;
	width: 5.46rem;
	top:1.5rem;
	margin-left:-2.73rem;
}
.prof_know{
	width: 100%;
	height: 6.66rem;
	background:url(../images/profess_04.jpg) no-repeat center center;
	/* background-size:cover; */
	background-size:25.6rem 6.7rem;
}
.prof_know_tit{
	font-size:0.55rem;
	padding-top:1.29rem;
	line-height:0.56rem;
	text-align:center;
	/* color:#3d464d; */
	color:transparent;
	/* letter-spacing:0.05rem; */
	position: relative;
}
.prof_know_tit>img{
	width: 5.47rem;
	height: 0.52rem;
	top:1.32rem;
	margin-left:-2.74rem;
}
.prof_know_cont{
	font-size:0.22rem;
	padding-top:1.13rem;
	line-height:0.55rem;
	text-align:center;
	color:#3d464d;
	letter-spacing:0.01rem;
}

.prof_know_team{
	width: 100%;
	height: 6.68rem;
	background:url(../images/profess_05.jpg) no-repeat center center;
	background-size:cover;
}
.prof_know_team img{
	width: 4.92rem;
	height: 0.52rem;
	margin-left:-2.46rem;
	top:1.62rem;
}
.prof_know_team .prof_know_tit{
	padding-top:1.6rem;
}
.prof_know_team .prof_know_cont{
	padding-top:1rem;
}

.used{
	width: 100%;
	height:6.75rem;
	/*background:#fff;*/
	/* background:url(../images/sprite_01.png) no-repeat; */
	background:url(../images/sprite_01.jpg) no-repeat;
	background-position:center 1.95rem;
	background-size:12.75rem 4.22rem;
}
.used .prof_know_tit{
	padding-top:0.89rem;
}
.used img{
	width: 7.63rem;
	height: 0.52rem;
	margin-left:-3.82rem;
	top:0.92rem;
}
.think{
	width: 100%;
	height:3.41rem;
	position:relative;
	background-color:#f5f5f5;
}

.prof_think_tit{
	padding-top:0.6rem;
	font-size:0.36rem;
	line-height:0.64rem;
	text-align:center;
	color:#0b0b0d;
	letter-spacing:0.11rem;
}
.think .register_btn{
	 top:2.12rem;
	 left:50%; 
	 margin-left:-1.3rem;;    
}