cecf-website/css/about.css

 .head_bg {
     /* height: 800px; */
     overflow: hidden;
     /* border: 1px solid red; */
 }

 .about-video {
     position: absolute;
     /* z-index: 0; */
     width: 100%;
     /* height: 100%; */
     /* height: 794px; */
     display: block;
     object-fit: cover;
     /* overflow: hidden; */

     top: 0;
     left: 0;
     /* height: 800px; */
 }

 .about-video {
     display: block;
     width: 100%;
 }

 .header {
     background: rgba(0, 0, 0, 0.85);
     box-shadow: 0px 0px 15px 3px rgba(0, 0, 0, 0.12);
     /* opacity: 0.85; */
 }

 .header.active {
     /* background-color: #fff; */
     background: rgba(0, 0, 0, 1);
     box-shadow: 0px 0px 15px 3px rgba(0, 0, 0, 0.12);
     border: none;
     /* border-bottom: 1px solid #f1f1f1; */
     /* border-bottom: 1px solid #ddd; */
 }

 .header .header_link .header_title {
     color: #fff;
 }

 .header .header_link.active .header_title {
     /* background-position: 0 68%; */
     background-position: 0 100%;
     /* color: #fff; */
     color: #0052D9;
 }

 .header .header_link.cur .header_title {
     /* background-position: 0 68%; */
     background-position: 0 100%;
     color: #0052D9;
 }

 .banner_wrap {
     width: 1000px;
     margin-top: 0;
     /* height: 402px; */
     background: rgba(0, 0, 0, 0.6) !important;
     border-radius: 10px;
     text-align: center;
     box-sizing: border-box;
     padding: 50px 60px;
     position: absolute;
     z-index: 1;
     top: 50%;
     left: 50%;
     transform: translate(-50%, -50%);
     /* margin-top: 120px; */
 }

 .img1 {
     display: block;
 }

 .img2 {
     display: none;
 }


 .banner_main_title {
     font-size: 48px;
     font-family: Source Han Sans CN;
     font-weight: bold;
     color: #FFFFFF;
     /* margin-bottom: 63px; */
     margin-bottom: 36px;
 }

 .banner_sub_title_about {
     width: 860px;
     font-size: 16px;
     font-family: SourceHanSansCN;
     font-weight: 400;
     color: #eee;
     line-height: 28px;
     display: flex;
     /* margin: 0 auto 20px; */
     margin: 0 auto 16px;
     /* margin-bottom: 20px; */
     text-align: center;
 }

 .banner_sub_title_about:nth-of-type(2) {
     margin-bottom: 0;
 }

 .banner_sub_title_about>img {
     width: 17px;
     height: 16px;
     display: inline-block;
     margin-right: 10px;
     margin-top: 7px;
 }

 .banner_sub_title_about>span {
     display: inline-block;
     text-align: left;
 }

 .banner_sub_title_about i {
     color: #eee;
     font-style: normal;
 }

 .about_desc_list_wrap {
     height: 170px;
     /* margin-top: -80px; */
     position: absolute;
     z-index: 1;
     margin-top: 540px;

     /* visibility: hidden;
    opacity: 0; */
     /* display: none; */
     /* margin-top: 730px; */
     /* position: relative;
    z-index: 1; */
 }

 .about_desc_list {
     width: 360px;
     height: 170px;
     /* background: linear-gradient(147deg, #eeeff4, #fdfdfe);
    box-shadow: 0px 16px 12px 0px #F5F6FB;
    border-radius: 2px; */
     background: rgba(0, 0, 0, 0.75);
     border-radius: 6px;
     /* border: 2px solid #fff; */
     box-sizing: border-box;
     padding: 33px 10px 0 33px;
 }

 .about_desc_list .about_desc_title {
     font-size: 24px;
     font-family: SourceHanSansCN;
     font-weight: 500;
     color: #fff;
     margin-bottom: 20px;
 }

 .about_desc_list .about_desc_title img {
     display: inline-block;
     margin-right: 10px;
 }

 .about_desc_list .about_desc_title span {
     display: inline-block;
     vertical-align: middle;
 }

 .about_desc_list .about_desc_sub {
     font-size: 13px;
     font-family: SourceHanSansCN;
     font-weight: 400;
     color: #eee;
     line-height: 20px;
     box-sizing: border-box;
     padding: 0 20px;
 }

 /* 第一部分开始 */
 .about_part_one_bg {
     background: #F3F5F8;
 }

 .about_part_one_con {
     box-sizing: border-box;
     padding: 56px 0 52px;
     display: flex;
     justify-content: space-between;
     flex-wrap: wrap;
 }

 .about_part_one_item {
     width: 274px;
     height: 274px;
     background: linear-gradient(147deg, #F4F6F9, #FFFFFF);
     border-radius: 2px;
     padding: 18px 20px;
     box-sizing: border-box;
     transition: .3s;
     box-shadow: 0 10px 20px 0 rgb(48 48 48 / 5%), 0 15px 30px 0 rgb(48 48 48 / 10%);
     border: 2px solid #fff;
 }

 /* .about_part_one_item:hover {
    box-shadow: 0 10px 20px 0 rgb(48 48 48 / 5%), 0 15px 30px 0 rgb(48 48 48 / 10%);
} */

 .about_part_one_img {
     width: 128px;
     height: 92px;
     margin: 0 auto;
     margin-bottom: 20px;
 }

 .about_part_one_item h4 {
     font-size: 18px;
     font-family: Source Han Sans CN;
     font-weight: 500;
     color: #333333;
     margin-bottom: 23px;
     text-align: center;
 }

 .about_part_one_item ul {
     display: flex;
     /* justify-content: space-between; */
     flex-wrap: wrap;
 }

 .about_part_one_item ul li {
     font-size: 14px;
     font-family: Source Han Sans CN;
     font-weight: 400;
     color: #666666;
     margin-bottom: 10px;
     margin-right: 15px;
 }

 /* .about_part_one_item ul li:nth-child(even) {
    margin-right: 0;
} */

 /* 第一部分结束 */



 /* 聚势开来开始 */
 .future_bg {
     width: 100%;
     height: 566px;
     background: url('../imgs/about/about_weilai_bg.png') no-repeat;
     background-size: 100% 100%;
     position: relative;
     overflow: hidden;
 }

 .future_con {
     width: 100%;
     height: 100%;
     position: relative;
     box-sizing: border-box;
     padding: 42px 0;
 }

 .future_con_top,
 .future_con_bottom {
     width: 1040px;
     margin: 0 auto;
     display: flex;
     justify-content: space-between;
 }

 .future_con_bottom {
     width: 724px;
 }

 .future_item {
     /* position: absolute; */
     width: 295px;
     height: 242px;
     box-sizing: border-box;
     padding: 15px;
     background: url('../imgs/about/about_weilai_bg_white.png') no-repeat;
     transition: 0.3s;
     position: relative;
 }

 .future_shadow {
     position: absolute;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     background: url('../imgs/about/about_weilai_item_bg.png') no-repeat;
     display: none;
 }

 .future_shadow1 {
     position: absolute;
     top: 46px;
     left: 0;
     width: 100%;
     height: 100%;
     background: url('../imgs/about/about_weilai_item_bg.png') no-repeat;
     display: none;
 }

 .future_item:hover .future_shadow {
     display: block;
 }

 .future_item5:hover .future_shadow1,
 .future_item4:hover .future_shadow1 {
     display: block;
 }

 /* .future_item:hover {
    background: #fff url('../imgs/about/about_weilai_item_bg.png') no-repeat;
} */
 .future_item2 {
     margin-left: 20px;
 }

 .future_item3 {
     margin-right: -15px;
 }

 .future_item4 {
     margin-left: 28px;
 }

 .future_item4,
 .future_item5 {
     background: url('../imgs/about/about_weilai_bg_white2.png') no-repeat;
 }

 .future_item4 div,
 .future_item5 div {
     margin-top: 38px;
 }

 .future_line {
     width: 100%;
     height: 4px;
     background: url('../imgs/about/line.png');
 }

 .future_item div {
     font-size: 24px;
     font-family: Source Han Sans CN;
     font-weight: 500;
     color: #0052D9;
     /* line-height: 23px; */
 }

 .future_item h4 {
     font-size: 14px;
     font-family: Source Han Sans CN;
     font-weight: 500;
     color: #333333;
     margin-top: 5px;
     margin-bottom: 5px;

     /* line-height: 23px; */
 }

 .future_item p {
     font-size: 12px;
     font-family: Source Han Sans CN;
     font-weight: 400;
     color: #666666;
     margin-bottom: 5px;
     /* line-height: 20px; */
 }


 /* 聚势未来结束 */

 /* 权威认证开始 */
 .certi_bg {
     background-color: #F5F7FA;
     padding: 45px 0;
     box-sizing: border-box;
 }

 .certi_wrap {
     width: 1200px;
     height: 560px;
     background: #FFFFFF;
     box-shadow: 0px 0px 16px 0px rgba(0, 0, 0, 0.08);
     border-radius: 4px;
 }

 .safeCon,
 .safeCon1 {
     position: relative;
 }

 .safeCon h3,
 .safeCon1 h3 {
     font-size: 30px;
     font-family: SourceHanSansCN;
     font-weight: bold;
     color: #333333;
     text-align: center;
     margin-top: 40px;
 }

 .safeCon .swiper-container,
 .safeCon1 .swiper-container {
     /* padding-bottom: 60px; */
     height: 500px;
     /* width: 90%; */
     width: 100%;
     padding: 30px;
     box-sizing: border-box;
 }

 .safeCon .swiper-slide {
     width: 555px;
     height: 379px;
 }

 .safeCon1 .swiper-slide {
     width: 306px;
     height: 416px;
 }


 .safeCon .swiper-slide,
 .safeCon1 .swiper-slide {
     /* width: 520px;
    height: 420px; */
     /* width: 306px;
    height: 416px; */
     /* width: 480px;
    height: 400px; */
     background: #ffffff;
     border-radius: 4px;
     -webkit-box-shadow: 0px 2px 16px 0px rgba(0, 0, 0, 0.12);
     -moz-box-shadow: 0px 2px 16px 0px rgba(0, 0, 0, 0.12);
     box-shadow: 0px 2px 16px 0px rgba(0, 0, 0, 0.12);
     box-sizing: border-box;
     /* padding: 20px; */
     text-align: center;
     line-height: 400px;
 }

 .safeCon .swiper-slide img,
 .safeCon1 .swiper-slide img {
     /* width: 100%; */
     /* display: block;
    width: 266px;
    height: 375px; */
     box-shadow: 0px 0px 8px 0px rgba(0, 0, 0, 0.12);
     vertical-align: middle;
 }

 .safeCon .swiper-slide p {
     text-align: center;
     font-size: 15px;
     opacity: 65%;
     margin-top: 24px;
 }

 .safeCon .swiper-pagination {
     width: 100%;
     bottom: 20px;
     text-align: center;
 }

 .safeCon .swiper-pagination-bullets .swiper-pagination-bullet {
     width: 35px;
     height: 7px;
     background: #1bd1d1;
     -webkit-box-shadow: 0px 2px 4px 0px rgba(0, 201, 195, 0);
     -moz-box-shadow: 0px 2px 4px 0px rgba(0, 201, 195, 0);
     box-shadow: 0px 2px 4px 0px rgba(0, 201, 195, 0);
     -webkit-border-radius: 1px;
     -moz-border-radius: 1px;
     border-radius: 1px;
     opacity: 0.1;
     outline: none;
     margin-right: 6px;
 }

 .main .safe .safeCon .swiper-pagination-bullets .swiper-pagination-bullet-active {
     background: #1bd1d1;
     opacity: 1;
     -webkit-border-radius: 1px;
     -moz-border-radius: 1px;
     border-radius: 1px;
 }

 .safeCon .swiper-button-prev {
     right: 100%;
     margin-right: 20px;
 }

 .swiper-button-prev:hover:after {
     background-image: url('../imgs/about/left_active.png');
 }

 .swiper-button-prev::after {
     background-image: url('../imgs/about/left.png');
 }


 .arrow_btn {
     position: absolute;
     top: 50%;
     margin-top: -39px;
     width: 40px;
     height: 40px;
     border-radius: 50%;
     font-size: 0;
     background-image: linear-gradient(0deg, #fff, #f3f5f8);
     border: 2px solid #fff;
     box-shadow: 8px 8px 20px 0 rgb(55 99 170 / 10%), -8px -8px 20px 0 #fff;
     background-position: 100%;
     background-size: 100% 100%;
     outline: none;
 }

 .arrow_btn::after {
     content: "";
     position: absolute;
     left: 50%;
     top: 50%;
     z-index: 2;
     margin: -5px 0 0 -3px;
     width: 6px;
     height: 10px;
 }

 .tpm-swiper__btn-inner {
     width: 32px;
     height: 32px;
     background-color: #fff;
     box-shadow: 2px 2px 4px 0 rgb(0 0 0 / 16%);
     border-radius: 50%;
 }

 .tpm-swiper__btn-inner::after {
     content: "";
     display: block;
     width: 30px;
     height: 30px;
     border-radius: 50%;
     background-image: linear-gradient(135deg, #dbe2e9, #fff);
 }

 .safeCon .swiper-button-next {
     /* left: 100%;
    margin-left: 20px; */
 }

 .swiper-button-next::after {
     margin-left: -2px;
     background-image: url('../imgs/about/right.png');
 }

 .swiper-button-next:hover::after {
     background-image: url('../imgs/about/right_active.png');
 }

 .arrow_btn,
 .tpm-swiper__btn-inner {
     display: flex;
     align-items: center;
     justify-content: center;
 }

 /* 权威认证结束 */

 /* 加入我们开始 */

 .about_us_wrap {
     display: flex;
     justify-content: space-between;
 }

 .about_us_title {
     width: 270px;
 }

 .about_us_con {
     width: 870px;
 }

 .about_us_title .nav-tabs>li {
     font-size: 16px;
     font-family: Microsoft YaHei;
     font-weight: 400;
     color: #666666;
     width: 100%;
     text-align: left !important;
     list-style-type: disc !important;
 }

 .about_us_title .nav>li>a {
     height: auto;
     line-height: 2;
     padding: 0;
     width: 200px;
 }

 .about_us_title .nav-tabs>li>a:hover,
 .about_us_title .nav-tabs>li>a:focus {
     border: none;
     font-size: 16px;
     text-decoration: none;
     background: #fff;
 }

 .about_us_title .nav-tabs>li.active>a,
 .about_us_title .nav-tabs>li.active>a:focus,
 .about_us_title .nav-tabs>li.active>a:hover {
     cursor: default;
     background: #fff !important;
     /* color: #666 ; */
     border: none;
     font-size: 16px;
     font-family: Microsoft YaHei;
     font-weight: 400;
     color: #F07817 !important;
     text-decoration: none;
 }

 .about_us_title .nav>li.active>a::before {
     display: none !important;
 }

 .about_us_title #myTab>li>a {
     font-size: 16px;
     color: #666;
     /* transition: all 0.3 ease; */
     border-top-left-radius: 0;
     border-top-right-radius: 0;
     margin-top: 0;
     display: block;
     text-align: left;
     text-indent: 12px;
 }


 /* .about_us_title #myTab>li::before {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #666;
    top: 0;
    left: 0;
} */

 .about_us_title .nav>li>a:hover {
     font-size: 16px;
     text-decoration: none;
     background: #fff !important;
     color: #333 !important;
 }

 .about_us_title .nav-tabs>li.active>a::after {
     display: none !important;
 }

 .about_us_title .nav-tabs>li {
     list-style: disc;
     /* margin-bottom: 0.22rem; */
 }

 .about_us_title .nav {
     list-style: disc;
 }

 .about_us_title .nav-tabs {
     border-bottom: none;
 }

 .blue_title {
     width: 100%;
     height: 53px;
     background: #4678C6;
     border-radius: 8px 8px 0px 0px;
     text-align: center;
     line-height: 53px;
     color: #fff;
 }

 .about_flex {
     display: flex;
     justify-content: space-between;
 }

 .about_flex .table_title {
     width: 24.9%;
     text-align: center;
     height: 53px;
     line-height: 53px;
     color: #fff;
     font-size: 18px;
 }

 #myTab {
     width: 100%;
     height: 238px;
     box-sizing: border-box;
     padding: 32px 24px;
     border: 1px solid #999999;
     border-top: none;
 }

 .collapse_title {
     display: flex;
     justify-content: space-between;
 }

 .collapse_title:hover {
     text-decoration: none;
 }

 .collapse_table_title {
     width: 24.9%;
     text-align: center;
     font-size: 14px;
     font-family: Microsoft YaHei;
     font-weight: 400;
     color: #333333;
 }

 .panel-heading {
     padding: 15px 15px;
 }

 .panel-default>.panel-heading {
     color: #333;
     background-color: #fff;
     border: 0;
     border-bottom: 1px solid #999999;
     ;
 }

 .panel-default {
     border: none;
 }

 .panel {
     box-shadow: none;
 }

 .panel-group .panel-heading+.panel-collapse>.list-group,
 .panel-group .panel-heading+.panel-collapse>.panel-body {
     border: none;
 }

 .panel-default>.panel-heading+.panel-collapse>.panel-body {
     border: none;
 }

 .panel-group a:link,
 .panel-group a:hover .panel-group a:active,
 .panel-group a:visited {
     text-decoration: none;
 }

 .about_us_wrap .panel-body {
     padding: 0 0;
     display: flex;
     justify-content: space-between;
     /* height: 2rem;
    overflow-y: scroll; */
 }

 .about_us_wrap .panel-body .panel_con {
     width: 570px;
 }

 .about_us_wrap .panel-body .panel_con h4 {
     font-size: 14px;
     font-family: Microsoft YaHei;
     font-weight: bold;
     color: #666666;
 }

 .about_us_wrap .panel-body .panel_con p {
     font-size: 14px;
     font-family: Microsoft YaHei;
     font-weight: 400;
     color: #666666;
     line-height: 1.1;
 }


 /* 加入我们结束 */

 /* 招聘 */
 .list-group-item {
     position: relative;
     padding: 20px 0;
     /* border: none; */
     /* border-top: 0; */
     border-left: 0;
     border-right: 0;
     border-bottom: 1px solid #ddd;
     cursor: pointer;
 }

 .list-group-item a {
     display: block;
 }

 .list-group-item h4 {
     font-size: 16px;
     margin-bottom: 5px;
     /* font-weight: 500; */
     color: #333;
     display: inline-block;
     margin-right: 10px;
 }

 .list-group-item .info-labels {
     display: inline-block;
 }

 .list-group-item .salary {
     font-size: 14px;
     font-family: kanzhun-Regular;
     font-weight: 400;
     color: #0052D9;
     /* color: #999; */
     float: right;
 }

 .info_desc {
     padding: 5px;
     word-wrap: break-word;
     color: #666;
     display: none;
     margin-top: 10px;
     font-size: 14px;
     font-style: normal;
     line-height: 1.8;
     /* visibility: hidden; */
 }

 .info_desc br {
     display: inline;
     line-height: 27px;

 }

 .com-location,
 .com-years,
 .com-education {
     background: #f5f5f5;
     border-radius: 3px;
     padding: 3px 7px;
     font-size: 12px;
     font-weight: 400;
     color: #666;
     margin-right: 2px;
 }

 .loadmore {
     display: block;
     height: 32px;
     line-height: 32px;
     font-size: 14px;
     background-color: #fff;
     text-align: center;
     color: #aaa;
     margin-bottom: 30px;
     cursor: pointer;
 }

 /* 申请加入模态框 */
 .join_btn,
 .close_btn {
     /* width: 320px;
     height: 68px; */
     background: #0052D9;
     border-radius: 4px;
     color: #fff;
     text-align: center;
     /* line-height: 68px; */
     padding: 10px 15px;
     margin-top: 35px;
     font-size: 12px;
 }

 .close_btn {
     margin-top: 0;
 }

 .join_btn:hover,
 .join_btn:focus,
 .close_btn:hover,
 .close_btn:focus {
     background: #0052D9;
     border-color: transparent;
 }

 .join_btn.btn-primary {
     border-color: transparent;
 }

 #join .modal-header {
     border-bottom: none;
 }

 #join .modal-title {
     font-weight: normal;
     font-size: 15px;
 }

 #join .modal-content {
     max-width: 446px;
     /* width: 85%; */
     width: 446px;
     height: 225px;
     padding: 15px 40px;
 }

 #join .modal-dialog {
     width: 446px;
     top: 50%;
     margin-top: -114px;
 }

 #join .modal-footer {
     padding: 15px;
     text-align: center;
     border-top: 0px solid #e5e5e5;
 }

 @media (min-width: 1280px) {
     .about_desc_list_wrap {
         /* margin-top: -160px; */
     }

     /* .banner_wrap {
         padding: 48px 40px;
         margin-top: 140px !important;
     } */

     .banner_main_title {
         /* font-size: 42px; */
     }
 }

 @media (min-width: 1440px) {
     .about_desc_list_wrap {
         /* margin-top: -80px; */
         /* margin-top: -260px; */
     }

     .banner_wrap {
         /* padding: 68px 60px; */
         padding: 34px 60px;
         /* margin-top: 160px !important; */
     }

     .banner_main_title {
         /* font-size: 42px; */
     }
 }

 @media (min-width: 1680px) {
     .about_desc_list_wrap {
         /* margin-top: 60px; */
     }

     /* .banner_wrap {
         margin-top: 280px !important;
         padding: 88px;
     } */

     .common_title_wrap {
         /* margin-top: 80px;
        padding: 60px 0; */
     }

     .banner_main_title {
         /* font-size: 42px; */
     }
 }

 @media (min-width: 1920) {
     .head_bg {
         height: 1080px;
     }
 }