.list-about-us {
    margin: 2% 0
}

.list-about-us .layout {
    display: flex;
    align-items: center
}

.list-about-us .layout .img {
    width: 37.63%;
    height: 0;
    padding-bottom: 43.13%;
    overflow: hidden
}

.list-about-us .layout .img img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover
}

.list-about-us .layout .content {
    width: calc(62.39%);
    position: relative;
    padding-top: 6%;
    padding-left: 5%
}

.list-about-us .layout .content>span {
    font-weight: bold;
    font-size: 92px;
    color: #8b6745;
    line-height: 169px;
    opacity: .1;
    position: absolute;
    top: 35px;
    font-family: Akzidenz-Grotesk BQ
}

.list-about-us .layout .content .title {
    font-size: 60px;
    color: #8b6745;
    font-weight: bold;
    padding-right: 160px;
    font-family: Akzidenz-Grotesk BQ
}

.list-about-us .layout .content .desc {
    margin-top: 47px;
    line-height: 30px;
    color: #666;
    /* max-height: 300px; */
    overflow-y: auto
}

.list-about-us .layout .content .watch_video {
    display: flex;
    align-items: center;
    margin-top: 72px
}

.list-about-us .layout .content .watch_video:hover {
    text-decoration: underline
}

.list-about-us .layout .content .watch_video i {
    display: block;
    width: 46px;
    height: 46px;
    background-color: #8b6745;
    background-image: url(../images/icon63.png);
    background-repeat: no-repeat;
    background-position: center;
    box-shadow: 0 0 6px 6px #8b67455e;
    border-radius: 50%;
    transform: rotate(-90deg);
    margin-right: 17px;
    cursor: pointer
}

.list-about-us .layout .content .watch_video i:hover {
    transform: rotate(-90deg) scale(1.1)
}

.list-about-us .layout .content .watch_video a {
    color: #8b6745;
    font-weight: bold;
    line-height: 33px
}

.list-advantages {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 108px 0 128px;
    background: url(../images/icon68.png) no-repeat;
    background-size: cover;
    overflow: hidden
}

.list-advantages .title,
.list-advantages .desc {
    max-width: 90%;
    text-align: center;
    margin: 0 auto
}

.list-advantages .title {
    font-weight: bold;
    font-size: 60px;
    color: #ffffff;
    line-height: 70px;
    font-family: Akzidenz-Grotesk BQ
}

.list-advantages .desc {
    font-weight: 400;
    color: #e5e5e5;
    line-height: 30px;
    margin-top: 25px
}

.list-advantages .item_list {
    margin-top: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 78px
}

.list-advantages .item_list .items {
    flex: 1;
    padding: 3.125%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 0 40px 0 rgba(80, 45, 13, 0.09)
}

.list-advantages .item_list .item_logo {
    width: 63px;
    height: 61px;
    margin: 0 auto
}

.list-advantages .item_list .item_title {
    margin-top: 31px
}

.list-advantages .item_list .item_title a {
    font-weight: bold;
    font-size: 22px;
    color: #482f18;
    font-family: Akzidenz-Grotesk BQ
}

.list-advantages .item_list .item_desc {
    margin-top: 27px;
    font-weight: 400;
    color: #666666;
    line-height: 30px;
    height: 300px;
    overflow-y: auto
}

.aboutSwiper {
    margin-top: 95px;
    position: relative;
    width: 100%;
    height: auto;
    overflow: hidden
}

.aboutSwiper .swiper-slide {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    transition: 300ms;
    transform: scale(.7)
}

.aboutSwiper .swiper-slide .swiper_info {
    width: 118.71%;
    position: relative;
    overflow: hidden;
    height: 0;
    padding-bottom: 84.98%
}

.aboutSwiper .swiper-slide .swiper_info img {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    padding: 0;
    object-fit: cover
}

.aboutSwiper .swiper-slide .detail {
    opacity: 0
}

.aboutSwiper .swiper-slide .detail .detail_bottom {
    position: absolute;
    width: 100%;
    top: 100%;
    left: 0
}

.aboutSwiper .swiper-slide .detail .title {
    margin: 30px 0
}

.aboutSwiper .swiper-slide .detail .title a {
    font-weight: bold;
    font-size: 30px;
    color: #333;
    font-family: Akzidenz-Grotesk BQ
}

.aboutSwiper .swiper-slide .detail .desc {
    font-weight: 400;
    color: #666;
    line-height: 30px
}

.aboutSwiper .swiper-slide.swiper-slide-active,
.aboutSwiper .swiper-slide.swiper-slide-duplicate-active {
    transform: scale(1);
    z-index: 9
}

.aboutSwiper .swiper-slide.swiper-slide-active .swiper_info,
.aboutSwiper .swiper-slide.swiper-slide-duplicate-active .swiper_info {
    width: 190.51%;
    padding-bottom: 100.79%
}

.aboutSwiper .swiper-slide.swiper-slide-active .swiper_info:hover img,
.aboutSwiper .swiper-slide.swiper-slide-duplicate-active .swiper_info:hover img {
    transform: scale(1.1)
}

.aboutSwiper .swiper-slide.swiper-slide-active .swiper_info .swiper_mask,
.aboutSwiper .swiper-slide.swiper-slide-duplicate-active .swiper_info .swiper_mask {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5)
}

.aboutSwiper .swiper-slide.swiper-slide-active .detail,
.aboutSwiper .swiper-slide.swiper-slide-duplicate-active .detail {
    width: 190.51%;
    opacity: 1;
    text-align: center
}

.aboutSwiper .swiper-slide.swiper-slide-prev {
    position: relative;
    right: 15%
}

.aboutSwiper .swiper-slide.swiper-slide-next {
    position: relative;
    left: 15%
}

.development-history {
    margin-top: 110px;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: 100%
}

.development-history .point {
    cursor: pointer;
    transition: r .3s ease, fill .3s ease
}

.development-history .point:hover {
    r: 4
}

.development-history .year-label {
    font-size: 8px;
    fill: #333;
    text-anchor: middle
}

.development-history .layout {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center
}

.development-history .layout .dh_title {
    font-weight: bold;
    font-size: 60px;
    color: #333333;
    font-family: Akzidenz-Grotesk BQ
}

.development-history .layout .dh_desc {
    font-weight: 400;
    color: #666666;
    line-height: 30px;
    margin-top: 26px
}

.development-history .layout .history_show {
    width: 100%;
    margin: 20px auto;
    position: relative
}

.development-history .layout .history_show .his_body {
    width: 40%;
    margin: 0 auto;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 60%;
    left: 28%
}

.development-history .layout .history_show .his_body .his_year {
    margin-right: 32px;
    width: 100px;
    font-weight: bold;
    font-size: 48px;
    color: #8b6745
}

.development-history .layout .history_show .his_body .his_desc {
    font-weight: 400;
    flex: 1;
    color: #666666;
    line-height: 30px
}

.development-history .layout .history_show_m {
    display: none
}

.development-history .layout .his_list {
    width: 100%;
    background: #8b6745;
    padding: 52px 57px;
    box-shadow: 0 0 84px 0 rgba(87, 59, 33, 0.13);
    border-radius: 5px;
    display: flex;
    flex-wrap: wrap;
    gap: 36px
}

.development-history .layout .his_list .his_list_item {
    background: #ffffff;
    border-radius: 10px;
    border: 1px solid #ffffff;
    height: 100px;
    overflow: hidden;
    width: calc(100% / 6 - 36px);
    min-width: 200px;
    display: flex;
    align-items: center;
    justify-content: center
}

.development-history .layout .his_list .his_list_item img {
    max-width: 200px;
    height: 100%
}

.his_swiper {
    width: 100%;
    overflow: hidden;
    background: #8b6745;
    padding: 3% 3.3%;
    box-shadow: 0 0 84px 0 rgba(87, 59, 33, 0.13);
    border-radius: 5px;
    display: none
}

.his_swiper img {
    width: 100%;
    height: 100%;
    object-fit: cover
}

.his_swiper .swiper-slide {
    height: 100px;
    overflow: hidden
}

@media screen and (max-width:1500px) {
    .list-about-us .layout .content {
        padding-top: 0
    }
}

@media screen and (max-width:1300px) {
    .development-history .layout .his_list {
        justify-content: initial
    }
}

@media screen and (max-width:1366px) {
    .list-about-us .layout .content>span {
        font-size: 72px
    }

    .list-about-us .layout .content .title {
        padding-right: 0;
        font-size: 40px
    }

    .list-advantages .item_list {
        gap: 30px
    }
}

@media screen and (max-width:1200px) {
    .history_show {
        display: none
    }

    .development-history .layout .history_show_m {
        display: flex;
        margin: 37px 0;
        align-items: flex-start;
        justify-content: center;
        width: 100%
    }

    .development-history .layout .history_show_m .his_m_l {
        margin-right: 30px;
        line-height: 30px
    }

    .development-history .layout .history_show_m .his_m_l ul {
        overflow-x: hidden;
        padding: 0 5px;
        max-height: 500px;
        overflow-y: auto
    }

    .development-history .layout .history_show_m .his_m_l ul li {
        font-size: 16px;
        position: relative
    }

    .development-history .layout .history_show_m .his_m_l ul li.active {
        color: #8b6745
    }

    .development-history .layout .history_show_m .his_m_l ul li.active::after {
        content: "";
        display: block;
        width: 50%;
        height: 2px;
        background: #8b6745;
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%)
    }

    .development-history .layout .history_show_m .his_m_r {
        flex: 1;
        line-height: 30px
    }
}

@media screen and (max-width:1040px) {
    .list-about-us .layout .content {
        padding-left: 50px
    }

    .list-about-us .layout .content .desc {
        max-height: 200px
    }
}

@media screen and (max-width:1050px) {
    .aboutSwiper {
        margin-top: 30px
    }

    .aboutSwiper .swiper-slide.swiper-slide-active .swiper_info,
    .aboutSwiper .swiper-slide.swiper-slide-duplicate-active .swiper_info {
        width: 100%;
        padding-bottom: 52%
    }

    .aboutSwiper .swiper-slide.swiper-slide-active .detail,
    .aboutSwiper .swiper-slide.swiper-slide-duplicate-active .detail {
        height: auto;
        width: 100%;
        padding: 0 20px
    }

    .aboutSwiper .swiper-slide.swiper-slide-active .detail .title,
    .aboutSwiper .swiper-slide.swiper-slide-duplicate-active .detail .title {
        -webkit-line-clamp: unset
    }

    .aboutSwiper .swiper-slide.swiper-slide-active .detail .desc,
    .aboutSwiper .swiper-slide.swiper-slide-duplicate-active .detail .desc {
        display: block;
        -webkit-line-clamp: unset
    }
}

@media screen and (max-width:950px) {
    .list-advantages {
        padding: 40px 20px 30px
    }

    .list-advantages .layout {
        width: 100%
    }

    .list-advantages .title {
        font-size: 30px;
        line-height: 35px;
        -webkit-line-clamp: unset;
        max-width: 100%
    }

    .list-advantages .desc {
        -webkit-line-clamp: unset;
        max-width: 100%
    }

    .list-advantages .item_list {
        margin-top: 40px;
        flex-direction: column;
        gap: 16px
    }

    .list-advantages .item_list .items {
        padding: 20px
    }

    .list-advantages .item_list .item_title {
        margin-top: 20px;
        -webkit-line-clamp: unset
    }

    .list-advantages .item_list .item_desc {
        margin-top: 0;
        -webkit-line-clamp: unset;
        height: auto !important;
    }

    .list-about-us {
        margin: 30px 0 30px 0
    }

    .list-about-us .layout {
        flex-direction: column
    }

    .list-about-us .layout .img {
        width: 100%;
        padding-bottom: 100%
    }

    .list-about-us .layout .content {
        padding: 0;
        width: 100%;
        margin-top: 20px
    }

    .list-about-us .layout .content>span {
        font-size: 60px;
        top: -30px
    }

    .list-about-us .layout .content .title {
        font-size: 30px;
        padding: 0;
        margin-top: 50px;
        -webkit-line-clamp: unset
    }

    .list-about-us .layout .content .desc {
        max-height: unset;
        margin-top: 20px
    }

    .list-about-us .layout .content .watch_video {
        margin-top: 30px
    }

    .development-history {
        margin-top: 30px;
        padding: 0 20px
    }

    .development-history .layout {
        width: 100%
    }

    .development-history .layout .dh_title {
        font-size: 30px;
        -webkit-line-clamp: unset
    }

    .development-history .layout .dh_desc {
        margin: 16px 0;
        display: block;
        -webkit-line-clamp: unset
    }

    .development-history .layout .history_show {
        display: none
    }
}

@media screen and (max-width:830px) {
    .development-history .layout .his_list {
        padding: 20px;
        gap: 20px
    }

    .development-history .layout .his_list .his_list_item {
        min-width: auto;
        width: calc(50% - 10px);
        padding: 10px 0
    }
}

@media screen and (max-width:375px) {
    .development-history .layout .his_list .his_list_item {
        width: 100%
    }
}

.about-main2 {
    height: 750px;
    width: 100%;
    overflow: hidden;
    background-repeat: no-repeat;
    background-size: 100%;
    background-position: center center
}

.about-main2 .licheng-bg {
    width: 100%;
    height: 100%;
    position: relative
}

.about-main2 .licheng-bg .warper {
    height: 100%
}

.about-main2 .licheng-bg img {
    height: 518px;
    position: absolute;
    bottom: 0px;
    left: 0
}

.about-main2 .ny-title {
    padding-top: 80px
}

.ny-title .title-en {
    font-size: 36px;
    color: #333333;
    font-family: arial;
    line-height: 36px;
    font-weight: bold;
    text-align: center
}

.ny-title .title-ch {
    font-size: 26px;
    color: #333333;
    margin: 15px 0;
    font-weight: normal
}

.ny-title i {
    display: block;
    width: 42px;
    height: 1px;
    background-color: #b5b5b5
}

.about-main2 .licheng-content {
    position: absolute;
    width: 100%;
    height: 100%;
    background-position: center top;
    background-repeat: no-repeat
}

.about-main2 .licheng-content .swiper-wrapper,
.about-main2 .licheng-content .swiper-slide,
.about-main2 .licheng-content ul {
    width: 100%;
    height: 100%
}

.about-main2 .licheng-content ul {
    width: 69%;
    margin: 0 auto 0
}

.about-main2 .licheng-content ul li {
    width: 26%;
    float: left;
    position: absolute
}

.about-main2 .licheng-content ul li.item1 {
    left: 0;
    top: 157px
}

.about-main2 .licheng-content ul li.item2 {
    left: 16%;
    top: 436px
}

.about-main2 .licheng-content ul li.item3 {
    left: 34%;
    top: 146px
}

.about-main2 .licheng-content ul li.item4 {
    left: 49%;
    top: 440px
}

.about-main2 .licheng-content ul li.item5 {
    left: 66%;
    top: 72px
}

.about-main2 .licheng-content ul li.item6 {
    left: 85%;
    top: 410px
}

.about-main2 .licheng-content ul li a {
    display: block;
    width: 100%
}

.about-main2 .licheng-content ul li .date {
    color: #0a3875;
    font-size: 30px
}

.about-main2 .licheng-content ul li.item1 .line,
.about-main2 .licheng-content ul li.item3 .line,
.about-main2 .licheng-content ul li.item5 .line {
    margin-bottom: 30px
}

.about-main2 .licheng-content ul li.item2 .line,
.about-main2 .licheng-content ul li.item4 .line {
    margin-top: 30px
}

.about-main2 .licheng-content ul li .line {
    height: 250px;
    width: 1px;
    display: block;
    background-color: #0A3875;
    position: relative;
    left: 30px
}

.about-main2 .licheng-content ul li .lc-right {
    height: 100%;
    display: table
}

.about-main2 .licheng-content ul li .lc-right .right-text {
    display: table-cell;
    vertical-align: middle
}

.about-main2 .licheng-content ul li.item1 .lc-right {
    display: table
}

.about-main2 .licheng-content ul li.item2 .lc-right {
    display: table
}

.about-main2 .licheng-content ul li.item3 .lc-right {
    display: table
}

.about-main2 .licheng-content ul li.item4 .lc-right {
    display: table
}

.about-main2 .licheng-content ul li.item5 .lc-right {
    display: table
}

.about-main2 .licheng-content ul li.item6 .lc-right {
    display: table
}

.about-main2 .licheng-content ul li.item7 .lc-right {
    bottom: 190px;
    position: absolute;
    left: -80px;
    width: 350px;
    height: 100%;
    display: table
}

.about-main2 .licheng-content ul li.item8 a {
    top: 278px
}

.about-main2 .licheng-content ul li.item8 .lc-right {
    top: -80px;
    position: absolute;
    left: -90px;
    width: 300px;
    height: 100%;
    display: table
}

.about-main2 .licheng-content ul li:nth-child(2n-1) .h3t {
    display: none
}

.about-main2 .licheng-content ul li:nth-child(2n) .h3b {
    display: none
}

.about-main2 .licheng-content .right-text h3 {
    font-size: 26px;
    margin-bottom: 10px;
    font-family: Arial;
    font-weight: bold;
    color: #333333
}

.about-main2 .licheng-content .right-text .h3t {
    font-size: 26px;
    margin-bottom: 10px;
    font-family: Arial;
    font-weight: bold;
    color: #333333
}

.about-main2 .licheng-content .right-text .h3b {
    font-size: 26px;
    margin-top: 10px;
    font-family: Arial;
    font-weight: bold;
    color: #333333
}

.about-main2 .licheng-content .right-text p {
    font-size: 16px;
    color: #666666;
    font-family: Arial;
    font-weight: normal;
    max-height: 200px;
    overflow-y: auto;
    overflow-x: hidden;
    line-height: 30px
}

@media screen and (max-width:950px) {
    .about-main2 {
        background: none !important;
        height: auto !important
    }

    .about-main2 .licheng-content ul {
        display: flex;
        flex-direction: column;
        width: 100%
    }

    .about-main2 .licheng-content ul li {
        position: static;
        width: 100%;
        margin-bottom: 20px
    }

    .about-main2 .licheng-content ul li .h3t {
        display: block
    }

    .about-main2 .licheng-content .right-text .h3b {
        display: none
    }

    .about-main2 .licheng-content .right-text p {
        height: auto
    }

    .about-main2 .licheng-content ul li:nth-child(2n-1) .h3t {
        display: block
    }

    .about-main2 .licheng-content {
        position: relative
    }

    .about-main2 .licheng-content .right-text p {
        max-height: none
    }
}