.about-us {
    width: 100%;
    min-height: 720px;
    overflow: hidden;
}

.about-us-container {
    height: 100%;
    margin: 0 240px;
    overflow: hidden;
}

.scenery {
    background-image: url("../images/scenery.jpg");
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
}

.about-us-left {
    max-width: 48%;
    height: 720px;
    float: left;
    padding-top: 40px;
    margin-right: 4%;
}

.about-us-left>h1 {
    margin: 0;
    font-size: 42px;
    margin-top: 88px;
}

.about-us-left>p {
    margin: 0;
    margin-top: 55px;
    margin-bottom: 125px;
    color: #666;
}

.about-us-left-title {
    margin-top: 130px;
}

.about-us-left-title>h2 {
    font-size: 36px;
    margin: 0;
}

.about-us-left-title>p {
    margin: 0;
    color: #999;
    font-size: 20px;
}

.about-us-right {
    width: 48%;
    height: 480px;
    float: left;
    margin: 0 auto;
    margin-top: 155px;
    margin-bottom: 86px;
    position: relative;
    overflow: hidden;
    background-color: #000;
}

.about-us-right video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    object-fit: contain;
}

.about-us-right-container {
    width: 100%;
    position: absolute;
    top: 153px;
    left: 0;
    z-index: 1;
}

.about-us-right-container>div {
    text-align: center;
    color: #fff;
}

.about-us-right-container>div>i {
    font-size: 96px;
}

.about-us-right-container>div>p {
    margin: 0;
}

.about-us-right-container>div>p:first-child {
    margin-top: 22px;
    font-size: 32px;
}

.about-us-right-container>div>p:last-child {
    margin-top: 22px;
    font-size: 18px;
}

.development-list {
    width: 100%;
    background-color: #efefef;
    overflow: hidden;
}

.development-list>ul {
    width: 100%;
    padding: 0;
    padding: 0 240px;
    overflow: hidden;
}

.development-list>ul>li {
    float: left;
    width: 25%;
    text-align: left;
    height: 200px;
    text-align: center;
}

.development-list>ul>li>div {
    letter-spacing: 0;
    font-size: 0;
}

.development-list>ul>li>div>span {
    font-size: 70px;
    line-height: 175px;
    color: #53240a;
    letter-spacing: 0;
}

.development-list>ul>li>div>b {
    font-size: 18px;
    color: #745342;
    font-weight: normal;
    position: relative;
    top: -38px;
    left: 0;
    line-height: 9;
}

.development-list>ul>li>b {
    font-size: 18px;
    color: #745342;
    font-weight: bold;
    vertical-align: middle;
}

.development-list>ul>li>p {
    margin: 0;
    margin-top: -60px;
    font-size: 18px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #4d4d4d;
}

.news-card {
    margin: 0 240px;
    overflow: hidden;
}

.news-card-title {
    margin-top: 90px;
}

.news-card-title>h1 {
    font-size: 36px;
    margin: 0;
}

.news-card-title>p {
    margin: 0;
    margin-top: 13px;
    font-size: 20px;
    color: #999999;
}

.news-card-container {
    margin-top: 75px;
    overflow: hidden;
}

.news-card-container>img {
    float: left;
    margin-bottom: 120px;
}

.news-card-container>div {
    /*margin-top: 90px;*/
    width: 600px;
    padding-left: 95px;
    float: left;
    overflow: hidden;
}

.news-card-container>div>h2 {
    font-size: 42px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #000000;
}

.news-card-container>div>p {
    margin: 0;
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #666666;
    margin-bottom: 50px;
}

.news-card-container>div>div {
    overflow: hidden;
    text-align: right;
    padding-bottom: 50px;
}

.news-card-container>div>div>img {
    position: relative;
    top: 47px;
}

.development-history {
    width: 100%;
    background-image: url("../images/img-7.jpg");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100% 100%;
    padding-left: 240px;
    padding-top: 84px;
    padding-bottom: 70px;
    overflow: hidden;
}

.development-history-title {
    color: #fff;
}

.development-history-title>h3 {
    font-size: 36px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    margin: 0;
}

.development-history-title>p {
    margin: 0;
    margin-top: 14px;
}

.development-history-title>ul {
    margin: 0;
    margin-top: 50px;
    margin-left: 50px;
    padding: 0;
    height: 430px;
    overflow-y: auto;
    float: left;
    padding-right: 20px;
}

.development-history-title>ul::-webkit-scrollbar {
    /*滚动条整体样式*/
    width: 10px;
    /*高宽分别对应横竖滚动条的尺寸*/
    height: 1px;
}

.development-history-title>ul::-webkit-scrollbar-thumb {
    /*滚动条里面小方块*/
    border-radius: 10px;
    -webkit-box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.1);
    background: #535353;
}

.development-history-title>ul::-webkit-scrollbar-track {
    /*滚动条里面轨道*/
    -webkit-box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    background: #EDEDED;
}

.development-history-title>ul>li {
    line-height: 40px;
    font-size: 0;
}

.development-history-title>ul>li>span {
    padding-right: 50px;
    position: relative;
    font-size: 24px;
    line-height: 24px;
}

.development-history-title>ul>li>span::before {
    width: 10px;
    height: 10px;
    background-color: #fff;
    top: 16px;
    right: -5px;
    content: '';
    position: absolute;
    z-index: 100;
}

.start-year-icon:before {
    background-color: #f10606 !important;
}

.development-history-title>ul>li>p {
    margin: 0;
    padding-left: 55px;
    display: inline-block;
    position: relative;
    font-size: 16px;
    line-height: 24px;
}

.development-history-title>ul>li>p::before {
    border-left: 1px solid #fff;
    height: 60px;
    content: '';
    left: 0;
    position: absolute;
    top: -16px;
}

.corporate-culture {
    width: 100%;
    background-color: #efefef;
}

.corporate-culture-container {
    margin: 0 240px;
    overflow: hidden;
}

.corporate-culture-title {
    margin-top: 90px;
}

.corporate-culture-title>h2 {
    margin: 0;
    font-size: 36px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 42px;
    letter-spacing: 0;
    color: #000000;
}

.corporate-culture-title>p {
    margin: 0;
    font-size: 20px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 42px;
    letter-spacing: 0px;
    color: #999999;
}

.gallery {
    margin-top: 80px;
    width: 100%;
}

.gallery-card {
    width: 49%;
    display: block;
    float: left;
    text-decoration: none;
    overflow: hidden;
    margin-bottom: 50px;
}

.gallery-card:nth-of-type(2n-1) {
    margin-right: 2%;
}


.gallery-card:hover>div>span {
    background-image: url('../images/bevel-angle-active.png');
}

.gallery-card>img {
    display: block;
    width: 100%;
    height: 320px;
    object-fit: cover;
}

.gallery-card>div {
    white-space: nowrap;
    font-size: 0;
    position: relative;
}

.gallery-card>div>span {
    margin-left: 30px;
    display: inline-block;
    width: 100px;
    height: 120px;
    line-height: 105px;
    text-align: center;
    background-position: center;
    background-image: url('../images/bevel-angle.png');
    background-size: 100%;
    font-size: 36px;
    font-weight: normal;
    font-stretch: normal;
    color: #f5f5f5;
    position: absolute;
    left: 0;
    top: -40px;
    writing-mode: vertical-rl;
}

.gallery-card>div>p {
    margin: 0;
    padding-top: 24px;
    padding-left: 155px;
    padding-right: 50px;
    white-space: normal;
    font-size: 16px;
    overflow: hidden;
}

.honor-card {
    background-position: center;
    background: url('../images/img-8.jpg') top center no-repeat;
    background-size: cover;
}

.honor-lists>ul {
    margin: 0;
    padding: 0;
    overflow: hidden;
}

.honor-lists>ul>li {
    float: left;
    width: 24%;
    margin-left: 1%;
}

.honor-lists>ul>li:first-child {
    /*float: left;*/
    margin-left: 0;
}

.honor-lists>ul>li>div {
    background: #fff;
    width: 100%;
    /*height: 345px;*/
    text-align: center;
}

.honor-lists>ul>li>div>img {
    margin: 0 auto;
    width: 80%;
    height: auto;
}

.honor-lists>ul>li>p {
    margin-top: 30px;
    margin-bottom: 100px;
    text-align: center;
}

.honor-lists>ul>li>p>a {
    font-size: 18px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #efefef;
    text-decoration: none;
}

.corporate-image {
    margin: 0;
    padding: 0;
}

.corporate-image>li {
}

.corporate-image>li>div {
    width: 100%;
    height: 220px;
    position: relative;
}

.corporate-image>li>div>img {
    width: 100%;
    height: auto;
    max-height: 220px;
}

.corporate-image>li>p {
    margin-top: 30px;
    margin-bottom: 44px;
    text-align: center;
    font-size: 18px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #000000;
}

.IMAGE-page {
    width: 100%;
    margin-top: 30px;
    margin-bottom: 80px;
    text-align: center;
}

.IMAGE-page>div {
    display: inline-block;
    min-width: 300px;
    height: 60px;
    line-height: 60px;
    background-color: #f8f8f8;
    border-radius: 60px;
}

.IMAGE-page>div>ul {
    display: inline-block;
    margin: 0;
    padding: 0 20px;
    list-style: none;
    overflow: hidden;
    text-align: center;
    font-size: 0;
}

.IMAGE-item-page .swiper-pagination-bullet {
    margin-top: 22px;
    display: inline-block;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    background-color: #1f1c1c;
    border: 2px solid #1f1c1c;
    opacity: 0.5;
    margin-left: 15px;
    transition: all 200ms;
    cursor: pointer;
}

.IMAGE-item-page .swiper-pagination-bullet:not(:last-child) {
    margin-right: 20px;
}

.IMAGE-item-page .swiper-pagination-bullet-active {
    background-color: transparent;
    opacity: 1;
    border-color: #ff0000;
}

.IMAGE-page>div b {
    margin-top: 14px;
    width: 32px;
    height: 32px;
    line-height: 32px;
    cursor: pointer;
}

.IMAGE-page>div b:first-child {
    float: left;
    margin-left: 24px;
}

.IMAGE-page>div b:last-child {
    float: right;
    margin-right: 24px;
}

.IMAGE-page>div .active {
    background-color: transparent;
    border: 2px solid #ff0000;
    opacity: 1;
}

@media (min-width: 1024px) {}


/*>=1024的设备*/

@media (min-width: 1100px) {}


/*0.125*/

@media (max-width: 1680px) {
    /*.category-body {*/
    /*padding-left: 210px;*/
    /*}*/
    .static-banner>p,
    .static-banner>h1 {
        padding-left: 210px;
    }
    .banner-toolbar>ul,
    .about-us-container,
    .news-card,
    .corporate-culture-container {
        margin: 0 210px;
    }
    .news-card-container>div {
        padding-left: 20px;
        box-sizing: border-box;
        width: 50%;
    }
    .news-card-container>img {
        float: left;
        margin-bottom: 120px;
        width: 50%;
    }
    .development-history {
        padding-left: 210px;
    }
}


/*0.25*/

@media (max-width: 1440px) {
    /*.category-body {*/
    /*padding-left: 180px;*/
    /*}*/
    .static-banner>p,
    .static-banner>h1 {
        padding-left: 180px;
    }
    .banner-toolbar>ul,
    .about-us-container,
    .news-card,
    .corporate-culture-container {
        margin: 0 180px;
    }
    .development-history {
        padding-left: 180px;
    }
}


/*>=1280的设备*/


/*0.289*/

@media (max-width: 1366px) {
    /*.category-body {*/
    /*padding-left: 100px;*/
    /*}*/
    .static-banner>p,
    .static-banner>h1 {
        padding-left: 100px;
    }
    .about-us-container,
    .banner-toolbar>ul,
    .news-card,
    .corporate-culture-container {
        margin: 0 100px;
    }
    .news-card-container>img {
        margin-bottom: 100px;
    }
    .news-card-container>div {
        padding-left: 0;
    }
    .development-history {
        padding-left: 100px;
    }
    .page-card-container {
        margin: 0 100px;
    }
}


/*>=1100的设备*/

@media (max-width: 1280px) {
    /*.category-body {*/
    /*padding-left: 80px;*/
    /*}*/
    .static-banner>p,
    .static-banner>h1 {
        padding-left: 80px;
    }
    .about-us-container,
    .banner-toolbar>ul,
    .news-card,
    .corporate-culture-container {
        margin: 0 80px;
    }
    .news-card-container>div {
        padding-left: 0;
    }
    .development-history {
        padding-left: 80px;
    }
    .page-card-container {
        margin: 0 80px;
    }
}