body{
	margin: 0 auto;
	
}
p{
	text-align: center;
}
.pc_div{
	width: 740px;
	margin: 50px auto;
}
.pc_div h1{
	color: #000;
	font-size: 30px;
	text-align: center;
	margin-top:20px ;
	font-weight: bold;
}
.border_p{
	margin-top:20px;
	text-align: center;	
}
.border_p span{
    height: 58px;
    display: inline-block;
    line-height: 58px;
    background: #EAF5FE;
    border-radius: 20px;
    width: 315px;
    color: #6895C2;
    font-size: 18px;
    font-weight: bold;
}
.border_pT{
	margin: 20px 0;
}
.border_pT p{
	margin: 10px 0;
}
.dian{
	width: 10px;
    height: 10px;
    display: inline-block;
    background: #6895C2;
    border-radius: 50%;
    margin-right: 8px;
}
.text_one{
	margin-top:30px ;
}
.text_one p{
	text-align: left;
	margin: 20px 0;
}
video{
	width:450px;
	    clear: both;
    display: block;
    margin: auto;
}
	
}