.about-header .heade_top{background: rgba(0,0,0, .5); transition: all 300ms ease-in-out }
.about-banner {position: relative}
.about-banner .about-bg{ height: 100vh;width: 100%;position: relative }
.about-banner .banner-text-pic{position: absolute;left: 5%;top: 32%;max-height: 30%;/* max-width: 60%;*/transform: translateY(-50%);-ms-transform: translateY(-50%);}
.about-bg .about-nav-wrap{ position: absolute;overflow: hidden;bottom: 0;left: 0;width: 100%;top: auto;z-index: 9999;transition: all 500ms ease-in-out }
.about-bg .about-nav-wrap .about-nav{ width: 25%; cursor: pointer; text-align: center; height: 90px; font-size: 20px; background: #f7f7f7; color: #333; line-height: 90px;border-right: 1px solid #e7e7e7}
.about-bg .about-nav-wrap .about-nav .iconfont {color: #ea6519; font-size: 20px}
.about-bg .about-nav-wrap .about-active{ background: #ea6519; color: #fff; transition: all 500ms ease-in-out;}
.about-bg .about-nav-wrap .about-active .iconfont { color: #fff; }

/*视屏模块*/
#video{
    width: 100%;
    height: 100%;
    /*position: fixed;*/
    /*left: 0;*/
    /*top: 0;*/
    /*display: none;*/
}
#video-wrap{
    width: 100vw;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    background-color: #000;
    /*z-index: 2000;*/
    display: none;
    z-index: 9999999999999999;
    color: #fff;
}
#video-wrap .close{
    width: 50px;
    height: 50px;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    position: absolute;
    right: 20px;
    top: 0;
    background: none;
    outline: none;
    border: none;
    cursor: pointer;
}
#video-wrap .close .iconfont{
    font-size: 38px;
    transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    /*transform: rotate(45deg);*/
}

/*简介*/
#introduction {
    width: 100%;
    padding: 80px;
    background: #fff;
    margin: 0 auto;
}
#introduction .introduction{
    overflow: hidden;
}
#introduction .introduction .summary{
    overflow: hidden;
    position: relative;
}
#introduction .introduction .summary .topic-title{
    width: 300px;
    line-height: 1.3;
    font-size: 32px;
    color: #333;
    vertical-align: bottom;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    -ms-transform: translateY(-50%);

}
#introduction .introduction .summary .topic-title img{
    margin-bottom: 30px;
    height: 100px;
}
#introduction .introduction .summary .context{
    width: 930px;
    color: #666;
    line-height: 2;
    font-size: 20px;
}
#introduction .introduction .example-wrap{
    margin-top: 80px;
}
#introduction .introduction .summary-example{
    width: 30%;
    padding: 50px 36px;
    background: #f7f7f7;
    color: #333;
    display: inline-block;
    margin-left: 4.5%;
    /*font-family: 'en-font', serif;*/
}
#introduction .introduction .summary-example:first-of-type{
    margin-left: 0;
}
#introduction .introduction .summary-example h2{
    color: #ea6519;
    font-size: 77px;
    margin-bottom: 50px;
    font-weight: 400;
}
#introduction .introduction .summary-example .bottom{
    overflow: hidden;
    font-size: 22px;
    line-height: 1.4;
    position: relative;
}
#introduction .introduction .summary-example .bottom p{
    position: absolute;
    left: 0;
    bottom: 0;
}
#introduction .introduction .summary-example .bottom .iconfont{
    font-size: 100px;
    line-height: 1;
    width: 100px;
    height: 100px;
}
/*寄语*/
#message {
    background: #f7f7f7;
    width: 100%;
    padding: 90px 100px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}
#message .title{
    position: absolute;
    top: 90px;
    left: 100px;
    font-weight: normal;
    color: #333;
    font-size: 42px;
}
#message .message{
    width: 55%;
    padding-top: 112px;
    overflow: hidden;
}
#message .message .video-wrap{
    /*width: 40%;*/
    width: 45%;
    height: 650px;
    margin-right: 10%;
    position: relative;
    overflow: hidden;
}
#message .message .video-wrap .video{
    max-width: 100%;
    height: auto;
    position: absolute;
    left: 0;
    top: auto;
    bottom: 0;
    cursor: pointer;
}
#message .message .video-wrap .video img{
    width: 100%;
}
#message .message .video-wrap .video video{
    width: 100%;
    object-fit: cover;
}
#message .message .video-wrap .icon-wrap{
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    margin: auto;
    background: #ea6519;
    opacity: .6;
    width: 70px;
    height: 70px;
    border-radius: 70px;
    text-align: center;
    line-height: 70px;
    /*cursor: pointer;*/
}
#message .message .video-wrap .icon-wrap .iconfont{
    font-size: 18px;
    color: #fff;
    margin-right: 0;
    cursor: pointer;
}
#message .message{
    color: #666;
    font-size: 16px;
    line-height: 2;
}
#message .message .message-content{
    height: 650px;
    width: 40%;
    position: relative;
}
#message .message .message-content .marks{
    margin-bottom: 70px;
}
#message .message .message-content .marks .iconfont{
    font-size: 58px;
    color: #ea6519;
    line-height: 1;
}
#message .message .message-content .ceo{
    text-align: right;
    position: absolute;
    bottom: 0;
    right: 0;
}
#message .message .message-content .ceo .ceo-name{
    font-size: 36px;
    font-weight: 400;
    color: #333;
}
#message .message .message-content .ceo .job {
    line-height: 3;
}
.ceo-pic-wrap{
    width: 550px;
    /*width: 43%;*/
    height: 750px;
    overflow: hidden;
    object-fit: cover;
}
.ceo-pic-wrap .ceo-pic{
    width: 100%;
    display: block;
}


/*文化*/
#culture{
    height: 670px;
    color: #fff;
    position: relative;
}
#culture .title{
    font-size: 44px;
    font-weight: 400;
    padding: 62px 95px;
    line-height: 1;
    border-bottom: 1px solid #fff4;
}
#culture .culture-wrap{
    height: 500px;
    position: relative;
}
#culture .culture-example{
    overflow: hidden;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
}
#culture .culture-example .culture-item-wrap{
    width: 33.33%;
}
#culture .culture-example .culture-item{
    text-align: center;
    line-height: 2;
}
#culture .culture-example .culture-item .icon-wrap{
    width: 105px;
    height: 105px;
    background: #ea6519;
    line-height: 105px;
    border-radius: 105px;
    margin: 0 auto;
}
#culture .culture-example .culture-item .topic{
    font-size: 20px;
    margin-top: 10px;
}
#culture .culture-example .culture-item .icon-wrap .iconfont{
    font-size: 52px;
    margin: 0;
}

/*发展历程*/
#develop{
    /*padding: 100px 96px;*/
    padding: 100px 0;
    background: #fcfeff;
    color: #333;
}
#develop .position{
    text-align: center;
}
#develop .year-text{
    display: inline-block;
    margin-bottom: 100px;
}
#develop .develop-title{
    font-size: 36px;
    padding: 0 96px;
    font-weight: normal;
    line-height: 1;
    margin-bottom: 52px;
}
#develop .year-text .active-year{
    font-size: 110px;
    color: #ea6519;
    line-height: 170px;
    font-family: 'en-font', serif;
}
#develop .year-text .circle{
    width: 170px;
    height: 170px;
    /*background: url('../image/bg-year.png') no-repeat center;*/
    text-align: center;
    line-height: 170px;
    color: #333;
    font-size: 30px;
    margin: 0 138px;
}
#develop .year-text .circle .back-pic{
    background: url('../image/bg-year.png') no-repeat center;
    width: 100%;
    height: 100%;
    position: absolute;
    animation: rotateInit linear 6s infinite;
}
@keyframes rotateInit {
    from{
        transform: rotate(0deg);
    }
    to{
        transform: rotate(360deg);
    }
}
.summary-wrap{
    width: 280px;
    height: 170px;
    position: relative;
}
#develop .year-text .summary{
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    /*width: 280px;*/
    /*height: 100%;*/
    line-height: 1.8;
    font-size: 18px;
    color: #666;
    text-align: left;
    vertical-align: middle;
    display: inline;
    zoom: 1;
}
#develop .year-develop-wrap{
    width: 100%;
    height: 94px;
    border-top: 2px solid #ebecec;
    border-bottom: 2px solid #ebecec;
}
#develop .year-develop-wrap .year-swiper{
    width: 80%;
    position: relative;
    margin: 0 auto;
    height: 100%;
    font-family: 'en-font', serif;
}
#develop .year-develop-wrap .year-swiper .swiper-slide{
    cursor: pointer;
    font-size: 20px;
    color: #999;
    width: 148px;
    text-align: center;
    line-height: 94px;
    height: 100%!important;
    transition: all ease-in-out 500ms;
}
#develop .year-develop-wrap .year-swiper .swiper-wrapper{
    margin: 0 auto;
    height: 100%;
    /*width: 100%!important;*/
}
#develop .year-develop-wrap{position: relative}
#develop .year-develop-wrap .page-turn{
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    line-height: 1;
    cursor: pointer;
}
#develop .year-develop-wrap .page-turn .iconfont{
    font-size: 30px;color: #999;
}
#develop .year-develop-wrap .page-turn:hover .iconfont{
    color: #ea6519;
}
#develop .year-develop-wrap .page-turn-prev{
    left: 5%;
}
#develop .year-develop-wrap .page-turn-next{
    right: 5%;
}
#develop .year-develop-wrap .year-swiper .swiper-slide-active{
    font-size: 40px;
    color: #ea6519;
}


@media all and (max-width: 1600px) {
    #message .message .message-content, #message .message .video-wrap{height: 620px;}
    #message .message{padding-top: 100px}
    #message .title{left: 100px}
    .ceo-pic-wrap{width: 520px;height: auto}
}

@media all and (max-width: 1440px) {
    #introduction .introduction .summary .context{width: 780px}
    #introduction, #message{padding: 70px}
    #message .title{left: 70px}
    #message .message .message-content, #message .message .video-wrap{ height: 474px; }
    .ceo-pic-wrap{width: 420px}
    #culture .title{padding: 50px 70px}
}
@media all and (max-width: 1366px) {

}

@media all and (max-width: 1280px) {
    #introduction .introduction .summary .context{width: 670px}
    #introduction .introduction .summary-example{padding: 25px}
    #introduction .introduction .summary-example .bottom .iconfont{width: 60px;height: 60px}
    #introduction, #message{padding: 50px}
    #message .title{left: 50px}
    #introduction .introduction .summary .topic-title{width: 280px}
    #introduction .introduction .summary .context{width: 580px}
    #introduction .introduction .summary-example h2{font-size: 64px}
    .ceo-pic-wrap{width: 412px}
    #message .message{width: 53%}
    #message .message .message-content .marks{margin-bottom: 25px}
    #message .message .message-content .ceo .ceo-name{font-size: 30px}
}

@media all and (max-width: 1024px) {
    /*#message .message .message-content, #message .message .video-wrap{display: none}*/
    .ceo-pic-wrap{ float: none; width: 80%;margin: 0 auto}
    #message .message{ float: right;width: 100%}
    #introduction .introduction .summary .topic-title{position: unset;width: 100%;line-height: 100px;text-align: center;margin: 0 auto;transform: translateY(0)}
    #introduction .introduction .summary .topic-title img{margin-right: 10px}
    #introduction .introduction .summary .context{ float: none; width: 100%;margin: 0 auto}
    #introduction .introduction .summary-example{ width: 100%; margin-left: 0;margin-bottom: 20px }
    #culture .title{ padding: 30px 50px }
    #develop .year-text .circle{ margin: 0 70px }
    #develop .year-develop-wrap .year-swiper .swiper-slide{width: 75px}
}


@media all and (max-width: 980px) {
    #develop .year-text .active-year{line-height: 1;float: none}
    .summary-wrap{float: none}
    .about-bg .about-nav-wrap .about-nav{height: 50px;line-height: 50px;font-size: 15px}
    #introduction .introduction .summary .topic-title img{ float: none;margin: 0 auto; margin-bottom: 30px;height: 75px }
    #introduction .introduction .summary .topic-title {line-height: unset;margin-bottom: 30px}
    #introduction .introduction .summary .topic-title span{ line-height: 1;float: none;margin: 20px 0 }
}

@media all and (max-width: 769px) {
    #introduction, #message{padding: 30px 15px}
    #develop{padding: 50px 0}
    #culture{height: 400px;}
    #develop .develop-title{padding: 0}
    #develop .year-text .active-year{font-size: 70px}
    #develop .year-text .circle{display: none}
    #culture .culture-wrap{height: 300px}
    #culture .culture-example .culture-item .icon-wrap{width: 80px;height: 80px;line-height: 80px}
    #culture .culture-example .culture-item .icon-wrap .iconfont{font-size: 30px}
    #develop .year-text{height: 50px}
    #develop .develop-title{text-align: center}
    .summary-wrap{padding: 20px 0; height: auto;}
    #develop .year-text .summary{ position: unset }
    #introduction .introduction .summary .context{font-size: 15px}
    #message .title{ left: 15px;top: 36px }
    #develop .year-develop-wrap .year-swiper{width: 72%}
    #culture .title{font-size: 30px}
    .about-banner .about-bg{height: 50vh}
    /*#develop .year-develop-wrap .year-swiper .swiper-slide{width: 75px}*/
}
@media all and (max-width: 530px) {
    #message .message .video-wrap{ display: none; }
    #message .message .message-content{ width: 100%;height: 420px;}

    /*.about-banner .about-bg{height: 60vh}*/
    .about-bg .about-nav-wrap .about-nav{width: 50%}
    #culture .culture-wrap{ height: 500px; }
    #culture{height: 600px;}
    #culture .culture-example{text-align: center}

    #culture .culture-example .culture-item-wrap{
        width: 46%;
        float: none;
        display: inline-block;
        margin: 0 auto;
        margin-top: 30px;
    }
    #develop .year-develop-wrap .year-swiper .swiper-slide{width: 115px}
}