/* 大事记核心样式 */
.about_part3 {
    width: 100%;
    height: auto;
}

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

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

.about_part3 dt {
    font-size: 30px;
    position: relative;
    cursor: pointer;
    color: #4c4c4c;
    font-weight: bold;
    text-align: center;
}




.about_part3 dd {
    line-height: 24px;
    width: 1390px;
    opacity: 0;
    height: 300px;
    visibility: hidden;
    background: #fff;
    margin-top: 50px;
    display: flex;
    margin-left: 5px;
    box-shadow: -0.0625rem 0 0.625rem 0 rgb(0 0 0 / 7%), 0.3125rem 1.25rem 2.5rem 0 rgb(0 0 0 / 4%) !important;
}

.about_part3 dd .img {
    width: 39%;
}

.about_part3 dd .img img {
    width: 100%;
}



.about_part3 dd .text {
    width: 61%;
    box-sizing: border-box;
    padding: 45px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    z-index: 999;
}


.about_part3 dd .title {
    font-size: 40px;
    color: #009944;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 40px;
}

.about_part3 dd .desc {
    height: 160px;
    overflow-y: scroll;
}

/* 滚动条 */
.about_part3 dd .desc::-webkit-scrollbar-track {
    background-color: #ddd9d9;
}

.about_part3 dd .desc::-webkit-scrollbar {
    width: 2px;
}

.about_part3 dd .desc::-webkit-scrollbar-thumb {
    background-color: #009944;
}


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

.about_part3 .swiper-slide-active dt {
    color: #009944;
}

.swiper-slide {
    height: 400px;
    list-style: none;
}

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

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


.about_part3 .swiper-wrap {
    position: relative;
    margin-top: 50px;
    margin-bottom: 10px;
}

.about_part3 .swiper-wrap::before {
    content: '';
    width: 100%;
    height: 2px;
    display: inline-block;
    background: #e0e2e4;
    position: absolute;
    top: 55px;
    left: 0;
}

.about_part3 dd .img img {
    width: 100%;
}

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


.about_part3 .arrow div {
    width: 34px;
    height: 34px;
    cursor: pointer;
    position: absolute;
    top: 10px;
    z-index: 95;
}

.about_part3 .arrow-left {
    background: url(../images/about-dsj-left.png)no-repeat;
    left: 0;
    opacity: .8;
}

.about_part3 .arrow-left:hover {
    opacity: 1;
}

.about_part3 .arrow-right {
    background: url(../images/about-dsj-right.png) no-repeat;
    right: 0;
    opacity: .8;
}

.about_part3 .arrow-right:hover {
    opacity: 1;
}

/* 大事记核心样式 */

/*索引页大事记*/
#timeline {
    width: 1400px;
    overflow: hidden;
    position: relative;
}

#dates {
    /* width: 100%; */
    height: 110px;
    overflow: hidden;
    margin: 0 auto;
    box-sizing: border-box;
    padding: 0 180px;
}

#dates li {
    width: 108px;
    height: 108px;
    padding: 0 50px;
    float: left;
    margin-bottom: 5px;
}

#dates a {
    width: 100%;
    height: 100%;
    font-size: 30px;
    color: #fff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid #fff;

}

#dates .selected {
    font-weight: bold;
    color: #fff;
    background: #009944;
}

#issues {
    width: 1400px;
    height: 350px;
    overflow: hidden;
}

#issues li {
    width: 1400px;
    height: 350px;
    list-style: none;
    float: left;

}

#issues li .text {
    box-sizing: border-box;
    padding: 0 175px;
}

#issues li img {
    float: left;
    margin: 10px 30px 10px 50px;
    border-radius: 4px;
}

#issues li h1 {
    width: 740px;
    color: #ffcc00;
    font-size: 24px;
    margin: 5px 0;
    text-shadow: #0c4c0c 1px 1px 2px;
}

#issues li p {
    font-size: 16px;
    line-height: 35px;
    color: #fff;
    text-align: center;
    opacity: .9;
    margin-top: 15px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
    word-break: break-all;
}

#issues li .title {
    font-size: 50px;
    color: #fff;
    font-weight: bold;
    text-align: center;
}

#grad_left,
#grad_right {
    width: 60px;
    height: 60px;
    position: absolute;
    top: 20%;
    cursor: pointer;
}

#grad_left {
    left: 0;
    background: url('../images/grad_left.png') no-repeat;
    background-size: cover;
}

#grad_right {
    right: 0;
    background: url('../images/grad_right.png') no-repeat;
    background-size: cover;
}

#grad_left:hover {
    background: url('../images/grad_left-on.png') no-repeat;
    background-size: cover;
}

#grad_right:hover {
    background: url('../images/grad_right-on.png') no-repeat;
    background-size: cover;
}