.main{
    position: relative;
}
#aboutUs p.title{
	font-size: 48px;
}
#aboutUs p.sub_title{
	font-size: 24px;
}

/* 内容区域 */
.content{
   /* position: absolute;
    top: 0; */
    width: 100%;
    /* background-color: aqua; */
}
.content .section{
    width: 100%;
	overflow: hidden;
}

.content .section.section1{
    height: 853px;
    background: url('../img/aboutUs/part1bg.png') no-repeat;
    background-size: auto 100%;
    background-position: 50% 50%;
	overflow: hidden;
}
.section1 .content_box{
	margin-top: 119px;
}
.section1 .content_box .box_left{
	width: 580px;
	height: 861px;
}
.section1 .content_box .box_right{
	width: 650px;
	text-align: center;
	margin-bottom: 119px;
}
.section1 .content_box .box_right .title{
	opacity: 0;
	filter: alpha(opacity=0);
	transform: translateY(30px);
	transition: all 0.5s ease 0s;
}
.section1 .content_box .box_right .sub_title{
	margin-top: 64px;
	
	opacity: 0;
	filter: alpha(opacity=0);
	transform: translateY(30px);
	transition: all 0.5s ease 0.3s;
}

.content .section1.active .box_right .title{
	opacity: 1;
	filter: alpha(opacity=100);
	transform: translateY(0);
}

.content .section1.active .box_right .sub_title{
	opacity: 1;
	filter: alpha(opacity=100);
	transform: translateY(0);
}


.content .section.section2{
    height: 952px;
    background: url('../img/aboutUs/part2-bg.png') no-repeat;
    background-size: auto 100%;
    background-position: 50% 50%;
	margin-top: -86px;
	position: relative;
	z-index: 9;
}
.content .section.section2 .content_box{
	margin-top: 308px;
}

.section2 .content_box .box_left{
	width: 820px;
}
.section2  .box_right{
	width: 608px;
	height: 506px;
	position: absolute;
	right: 0;
	bottom: 51px;
}
.section2 .content_box .box_left .title{
	
}
.section2 .content_box .box_left .sub_title{
	margin-top: 32px;
	line-height:48px;
}


.content .section.section3{
    height: 944px;
    background: url('../img/aboutUs/part3-bg.png') no-repeat;
    background-size: auto 100%;
    background-position: 50% 50%;
    margin-top: -73px;
    position: relative;
    z-index: 9;
}
.content .section.section3 .box_left{
	width: 550px;
}



.content .section.section4{
    height: 800px;
    background: url('../img/aboutUs/part4.png') no-repeat;
    background-size: auto 100%;
    background-position: 50% 50%;
    margin-top: -97px;
    position: relative;
    z-index: 9;
}
.content .section.section4.section2 .content_box{
	margin-top: 200px;
}



.content .section.section5{
    height: 697px;
    background: url('../img/aboutUs/part5.png') no-repeat;
    background-size: auto 100%;
    background-position: 50% 50%;
    margin-top: -100px;
    position: relative;
    z-index: 9;
}
.section5 .content_box{
	margin-top: 56px;
}
.section5 .content_box .title{
	font-size:48px;
}
.section5 .content_box .des{
	margin-top: 40px;
}
.section5 .content_box .des .des_item{
	display: flex;
	justify-content: flex-start;
	margin-bottom: 24px;
}
.section5 .content_box .des .des_item .item_name{
	font-size:24px;
	min-width: 105px;
	text-align: left;
	margin-right: 32px;
}
.section5 .content_box .des .des_item .item_value{
	font-size: 24px;
	/* line-height: 50px; */
}
.section5 .content_box .des .des_item .item_value span{
	display: block;
	margin-bottom: 15px;
}