/* 大事记核心样式 */
.about_part3 {
	width: 100%;
	height: 690px;
	background: url(../img/about-dsj-bg.png) no-repeat;
	background-position: center;
	background-size: cover;
	position: relative;
	overflow: hidden;
}

.about_part3 .about-column {
	padding: 70px 0 50px;
}

.about_part3 dl {
	padding-top: 10px;
}

.about_part3 dt {
	font-size: 30px;
	position: relative;
	/* overflow: hidden; */
	cursor: pointer;
	color: #4c4c4c;
	text-align: center;
}

.about_part3 dt::before{
	content: '';
	width: 22px;
	height: 22px;
	display: inline-block;
	background: url(../img/dsj-li-icon.png) no-repeat;
	position: absolute;
    top: 35px;
    left: 46%;
}

.about_part3 .swiper-slide-active dt::before{
	background: url(../img/dsj-li-on-icon.png) no-repeat;
}


.about_part3 dd {
	line-height: 24px;
    width: 1400px;
    opacity: 0;
    visibility: hidden;
    background: url(../img/gsjk-dsj-dd-bg2.png) no-repeat;
    height: 330px;
    box-sizing: border-box;
    padding: 50px 55px;
    position: relative;
    margin-top: 85px;
}

.about_part3 dd .title{
	font-size: 45px;
	color: #1c6ac0;
	margin-bottom: 20px;
}

.about_part3 dd p{
	font-size: 16px;
	color: #4c4c4c;
	line-height: 45px;
}



.about_part3 .swiper-slide-active dt {
	color: #1c6ac0;
}

.swiper-slide {
	list-style: none;
	/* position: relative;
	left: -40px; */
}

.about_part3 .swiper-slide-active dd {
	opacity: 1;
	visibility: inherit;
}

.about_part3 .arrow {
	padding-top: 40px;
}


.about_part3 .swiper-wrap {
	position: relative;
	/* padding-top: 50px; */
}

.about_part3 .swiper-wrap::before{
	content: '';
    width: 1150px;
    height: 2px;
    display: inline-block;
    background: #e0e2e4;
    position: absolute;
    top: 55px;
	left: 120px;
}


.about_part3 .swiper-box {
	overflow: hidden;
}

.wrap {
	width: 1400px;
	margin: 0 auto;
}

.about_part3 .arrow div {
	width: 18px;
	height: 33px;
	cursor: pointer;
	position: absolute;
	top: 38px;
	z-index: 999;
}

.about_part3 .arrow-left {
	background: url(../img/about-dsj-left.png)no-repeat;
	left: 0;
}

.about_part3 .arrow-left:hover {
	background: url(../img/about-dsj-left-on.png)no-repeat;
}

.about_part3 .arrow-right {
	background: url(../img/about-dsj-right.png) no-repeat;
	right: 0;
}

.about_part3 .arrow-right:hover {
	background: url(../img/about-dsj-right-on.png) no-repeat;
}





/* 大事记核心样式 */