.intro_s2_intro1,.intro_s2_intro2,.intro_s2_intro3,.intro_s2_intro4,.intro_s2_intro5{
	margin-top: 40px;
}

.pc{
	
	font-size: 18px;
}

.letter{
	float: left;
	margin-left: 80px;
}
.icon{
	margin-left: -30px;
	margin-top: 22px;
	float: left;
}
.dif li {
    list-style: none;
    font-size: 18px;
    margin-top: 5px;
    padding-top: 20px;
    font-family: "Microsoft YaHei";
}
.title{
	font-size: 40px;
    color: #0066FF;
    margin-top: 20px;
}
.pic{
	margin-left: 200px;
	float: left;
}
.pc{
	text-align: center;
	color: #0066FF;
	font-size: 18px;
}
*{
  font-family: 微软雅黑;
}