.about-main{
    width: 1200px;
    max-width: 100%;
    display: block;
    margin: 0 auto;
    position: relative;
    font-size: 0;
    margin-top: 140px;
    margin-bottom: 80px;
}
.about-list{
	margin-top:130px ;
	padding:0 10px;
	padding-bottom: 50px;
	border-bottom: 1px solid #dddddd;
}
.about-list:last-child{
	border-bottom: 0;
}
.about-list:nth-child(even){
	direction: rtl;
}
.about-list:nth-child(even) .about-list-img{
	margin-left: 50px;
}
.about-list:nth-child(odd) .about-list-img{
	margin-right: 60px;
}

.about-list-narrative-title{
	font-size: 28px;
	font-weight: bold;
	color: #00479d;
	margin-bottom: 85px;
}
.about-list-narrative-introduction{
	font-size: 18px;
	letter-spacing: 2px;
	direction: ltr;
}
.about-list-img,
.about-list-narrative{
	display: inline-block;
	vertical-align: middle;
}
.about-list-img-profession{
	width: 185px;
	height: 205px;
}
.about-list-img-effectiveness{
	width: 205px;
	height: 141px;
}
.about-list-narrative{
	width: calc( 100% - 260px );
}