.app-about .title-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    margin-top: 80px
}

.app-about .header-tip {
    background: #fff;
    border: .5px solid #f5f5f5;
    border-radius: 10px;
    box-shadow: 0 3px 10px 0 rgba(0,0,0,.05);
    margin: -80px 24px 0;
    max-width: 1280px;
    min-height: 324px;
    padding: 80px
}

@media (max-width: 576px) {
    .app-about .header-tip {
        padding:6.4vw !important;
    }
}

.app-about .header-tip>:first-child {
    color: #313031;
    font-family: FZLTXHK,AlibabaPuHuiTi_2_65_Medium,sans-serif;
    font-size: 30px;
    text-align: center
}

@media (max-width: 576px) {
    .app-about .header-tip>:first-child {
        font-size:24px
    }
}

.app-about .header-tip>:nth-child(2) {
    color: #111;
    display: block;
    font-family: FZLTXHK,AlibabaPuHuiTi_2_55_Regular,sans-serif;
    font-size: 20px;
    line-height: 32px;
    margin-top: 30px;
    text-align: center
}

@media (min-width: 576px) {
    .app-about .header-tip>:nth-child(2) {
        /*padding:0 180px*/
    }
}

.app-about .step-wrap {
    background: #fff;
    display: flex;
    flex: 1;
    margin-bottom: 80px;
    max-width: 1000px;
    width: inherit
}

@media (max-width: 576px) {
    .app-about .step-wrap {
        margin-left:3.2vw;
        margin-right: 3.2vw
    }
}

.app-about .step-wrap>h3 {
    text-align: center
}

@media (max-width: 576px) {
    .app-about .step-wrap>h3 {
        font-size:22px
    }
}

.app-about .step-wrap>.content {
    flex: 1
}

.app-about .step-wrap>.content .item-wrap-mobile {
    display: flex;
    flex-flow: column;
    margin: 0 3.2vw
}

.app-about .step-wrap>.content .item-wrap-mobile .year {
    color: #00b9ff;
    font-family: FZLTXHK,AppleSystemUIFont;
    font-size: 30px;
    margin-top: 24px
}

.app-about .step-wrap>.content .item-wrap-mobile .right-wrap .content>:first-child {
    color: #111;
    font-family: FZLTXHK,AppleSystemUIFont;
    font-size: 18px;
    margin-top: 12px;
    text-align: left
}

.app-about .step-wrap>.content .item-wrap-mobile .right-wrap .content>:last-child {
    color: #666;
    font-family: FZLTXHK,AppleSystemUIFont;
    font-size: 14px;
    line-height: 14px;
    opacity: .6
}

.app-about .step-wrap>.content .item-wrap-mobile .right-wrap>.img {
    border-radius: 8px;
    height: auto;
    margin-top: 12px;
    width: 100%
}

.app-about .step-wrap>.content .item-wrap {
    display: flex;
    flex: 1;
    flex-flow: row
}

.app-about .step-wrap>.content .item-wrap>:last-child {
    display: flex;
    flex: 1;
    flex-flow: column
}

.app-about .step-wrap>.content .item-wrap .year {
    color: #00b9ff;
    font-family: FZLTXHK,AlibabaPuHuiTi_2_65_Medium,sans-serif;
    font-size: 30px;
    margin-right: 20px;
    text-align: center;
    width: 120px
}

.app-about .step-wrap>.content .item-wrap .right-wrap {
    border-left: 1px solid #d8d8d8;
    display: flex;
    flex: 1;
    flex-flow: row nowrap;
    justify-content: space-between;
    padding-bottom: 20px;
    padding-top: 6px
}

.app-about .step-wrap>.content .item-wrap .right-wrap .content {
    display: flex;
    flex: 1;
    flex-flow: column;
    margin-right: auto;
    max-width: 550px;
    padding-left: 40px;
    position: relative
}

.app-about .step-wrap>.content .item-wrap .right-wrap .content>:first-child {
    color: #111;
    font-family: FZLTXHK,AlibabaPuHuiTi_2_65_Medium,sans-serif;
    font-size: 22px
}

.app-about .step-wrap>.content .item-wrap .right-wrap .content>:nth-child(2) {
    color: #111;
    font-family: FZLTXHK,AlibabaPuHuiTi_2_55_Regular,sans-serif;
    font-size: 16px;
    line-height: 28px;
    margin-top: 12px;
    opacity: .6;
    word-break: break-all
}

.app-about .step-wrap>.content .item-wrap .right-wrap .content:after {
    background: #d8d8d8;
    border-radius: 50%;
    content: "";
    height: 5px;
    left: -3px;
    position: absolute;
    top: 10px;
    width: 5px
}

.app-about .step-wrap>.content .item-wrap .right-wrap>.img {
    background: #e0e0e0;
    border-radius: 8px;
    height: 96px;
    -o-object-fit: cover;
    object-fit: cover;
    width: 170px
}

.app-about .st-feature-wrap {
    max-width: 1280px
}

@media (max-width: 576px) {
    .app-about .st-feature-wrap {
        margin:0 3.2vw
    }
}

.app-about .st-feature-wrap .item-wrap {
    background: #fff;
    border-radius: 12px;
    margin-top: 20px;
    overflow: hidden
}

.app-about .st-feature-wrap .item-wrap .left {
    box-sizing: border-box;
    display: flex;
    flex-flow: column;
    height: 100%;
    justify-content: space-evenly;
    padding: 40px 10% 40px 80px
}

@media (max-width: 576px) {
    .app-about .st-feature-wrap .item-wrap .left {
        padding:3.2vw
    }
}

.app-about .st-feature-wrap .item-wrap .left .title>h4 {
    color: #111;
    font-family: FZLTXHK,AlibabaPuHuiTi_2_65_Medium,sans-serif;
    font-size: 24px;
    line-height: 24px;
    margin-top: 5px;
    white-space: wrap
}

.app-about .st-feature-wrap .item-wrap .left>.subtitle {
    color: #666;
    font-family: FZLTXHK,AlibabaPuHuiTi_2_55_Regular,sans-serif;
    font-size: 16px;
    line-height: 24px;
    opacity: .6;
    white-space: wrap
}

.app-about .st-feature-wrap .item-wrap .left .time-wrap {
    align-items: flex-end;
    display: flex;
    flex-flow: row
}

.app-about .st-feature-wrap .item-wrap .left .time-wrap>.x {
    color: #00b9ff;
    font-family: FZLTXHK,DIN-Medium;
    font-size: 70px;
    font-weight: 550;
    line-height: 70px;
    margin-right: 4px
}

@media (max-width: 576px) {
    .app-about .st-feature-wrap .item-wrap .left .time-wrap>.x {
        font-size:40px;
        line-height: 40px
    }
}

.app-about .st-feature-wrap .item-wrap .left .time-wrap>.s {
    color: #676767;
    font-family: FZLTXHK,AlibabaPuHuiTi_2_55_Regular,sans-serif;
    font-size: 16px;
    margin-bottom: 10px
}

@media (max-width: 576px) {
    .app-about .st-feature-wrap .item-wrap .left .time-wrap>.s {
        font-size:16px;
        margin-bottom: 5px
    }
}

.app-about .st-feature-wrap .item-wrap img {
    /*height: 276px;*/
    -o-object-fit: cover;
    object-fit: cover;
    -o-object-position: center;
    object-position: center;
    width: 100%
}

@media (max-width: 576px) {
    .app-about .st-feature-wrap .item-wrap img {
        width:100%
    }
}

@media (min-width: 576px) {
    .app-about .st-feature-wrap .item-wrap img {
        height:100%;
        width: 100%
    }
}

.app-about .news-feature-wrap {
    margin: 0 24px;
    max-width: 1300px
}

.app-about .news-feature-wrap .card {
    border-radius: 12px;
    display: flex;
    flex-flow: column;
    margin: 10px;
    overflow: hidden
}

@media (min-width: 576px) {
    .app-about .news-feature-wrap .card:nth-child(3) .avatar,.app-about .news-feature-wrap .card:nth-child(4) .avatar,.app-about .news-feature-wrap .card:nth-child(5) .avatar {
        height:232px;
        -o-object-fit: cover;
        object-fit: cover;
        width: 412px
    }
}

@media (max-width: 576px) {
    .app-about .news-feature-wrap .card .avatar {
        height:57.6vw;
        -o-object-fit: cover;
        object-fit: cover;
        width: 93.6vw
    }
}

.app-about .news-feature-wrap .card h4 {
    color: #2f2e2f;
    font-family: FZLTXHK,AlibabaPuHuiTi_2_65_Medium,sans-serif;
    font-size: 22px;
    line-height: 28px;
    margin-bottom: 0;
    margin-top: 10px
}

.app-about .news-feature-wrap .card>.detail {
    background: #fff;
    height: 100%;
    max-width: 100%;
    padding: 10px 20px 20px;
    position: relative
}

@media (max-width: 720px) {
    .app-about .news-feature-wrap .card>.detail {
        height:unset
    }
}

.app-about .news-feature-wrap .card>.detail>.subtitle {
    height: 150px;
    color: #aaa;
    font-family: FZLTXHK,AlibabaPuHuiTi_2_55_Regular,sans-serif;
    font-size: 16px;
    line-height: 26px;
    margin-top: 8px;
    display: -webkit-box; /* 使用弹性盒模型 */
  -webkit-box-orient: vertical; /* 垂直排列 */
  -webkit-line-clamp: 6; /* 设置显示的行数，例如3行 */
  overflow: hidden; /* 隐藏超出部分 */
}

.header-img {
    height: 460px;
    -o-object-fit: cover;
    object-fit: cover;
    width: 100%
}

.box_about .col-md-8,.box_about .col-md-4，,.box_about .col-sm-4{
    padding-right:0px !important;
    padding-left: 0px !important;
}