.section-bg-grey {
    background: #fafafa;
}

/* 广告位 */
.dtr-banner-block{
    height: 500px;
    background: url("../images/dtr_banner.jpg") center no-repeat;
}

/* 栏目 */
.section{
    padding: 100px 0;
}
.section-bar{
    text-align: center;
    position: relative;
    z-index: 99;
}
.section-bar__tit{
    font-size: 32px;
}
.section-bar__sub{
    color: #888;
    line-height: 26px;
    padding-top: 20px;
    font-size: 16px;
}

.mode-column-group{
    display: flex;
    justify-content: space-between;
}
.mode-column-group>li{
    padding: 80px 0 20px;
    text-align: center;
}
.mode-column-group>li .icon{
    display: inline-block;
    width: 163px;
    height: 163px;
    background: url("../images/dtr_icon_01.png") no-repeat;
}
.mode-column-group>li:nth-child(1) .icon{
    background-position: 0 0;
}
.mode-column-group>li:nth-child(2) .icon{
    background-position: -171px 0;
}
.mode-column-group>li:nth-child(3) .icon{
    background-position: -342px 0;
}
.mode-column-group>li .tit{
    margin-top: 16px;
    font-size: 16px;
}
.mode-column-group>li .txt{
    color: #999;
    line-height: 24px;
    margin-top: 24px;
    padding: 0 30px;
    font-size: 14px;
}


.ato-column-group{
    display: flex;
    padding: 60px 0 0;
}

.ato-column-group>li{
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -ms-transition: all .3s;
    -o-transition: all .3s;
    transition: all .3s;
    transform-origin: left;
}
.ato-column-group>li:hover{
    -webkit-transform: scale(1.1);
    -moz-transform: scale(1.1);
    -ms-transform: scale(1.1);
    -o-transform: scale(1.1);
    transform: scale(1.1);
    -webkit-box-shadow:  1px 1px 12px rgba(0,0,0,.2);
    -moz-box-shadow:  1px 1px 12px rgba(0,0,0,.2);
    box-shadow:  1px 1px 12px rgba(0,0,0,.2);
}
.ato-column-group>li .con{
    padding: 30px;
}
.ato-column-group>li:nth-child(1) .con{
    background: -moz-linear-gradient(top, #02dd8d, #04b448);
    background: -webkit-linear-gradient(top, #02dd8d,#04b448);
    background: -o-linear-gradient(top, #02dd8d,#04b448);
    background: -ms-linear-gradient(top, #02dd8d,#04b448);
    background: linear-gradient(to bottom, #02dd8d,#04b448);
}

.ato-column-group>li:nth-child(2) .con{
    background: -moz-linear-gradient(top, #9f5aff, #7c43ff);
    background: -webkit-linear-gradient(top, #9f5aff,#7c43ff);
    background: -o-linear-gradient(top, #9f5aff,#7c43ff);
    background: -ms-linear-gradient(top, #9f5aff,#7c43ff);
    background: linear-gradient(to bottom, #9f5aff,#7c43ff);
}

.ato-column-group>li:nth-child(3) .con{
    background: -moz-linear-gradient(top, #fd9868, #eb4941);
    background: -webkit-linear-gradient(top, #fd9868,#eb4941);
    background: -o-linear-gradient(top, #fd9868,#eb4941);
    background: -ms-linear-gradient(top, #fd9868,#eb4941);
    background: linear-gradient(to bottom, #fd9868,#eb4941);
}

.ato-column-group>li:nth-child(4) .con{
    background: -moz-linear-gradient(top, #5d83ff, #534fff);
    background: -webkit-linear-gradient(top, #5d83ff,#534fff);
    background: -o-linear-gradient(top, #5d83ff,#534fff);
    background: -ms-linear-gradient(top, #5d83ff,#534fff);
    background: linear-gradient(to bottom, #5d83ff,#534fff);
}
.ato-column-group>li .tit{
    color: #fff;
    font-size: 16px;
    font-weight:bold;
}
.ato-column-group>li .tit:before{
    content: "";
    display: inline-block;
    width: 26px;
    height: 23px;
    vertical-align: middle;
    margin: -3px 8px 0 0;
    background: url("../images/dtr_icon_01.png") no-repeat;
}
.ato-column-group>li:nth-child(1) .tit:before{
    background-position: 1px -163px;
}
.ato-column-group>li:nth-child(2) .tit:before{
    background-position: -33px -163px;
}
.ato-column-group>li:nth-child(3) .tit:before{
    background-position: -68px -163px;
}
.ato-column-group>li:nth-child(4) .tit:before{
    background-position: -104px -163px;
}
.ato-column-group>li .txt{
    color: #fff;
    height: 44px;
    line-height: 22px;
    margin-top: 8px;
    font-size: 14px;
}









.swiper-container {
    height: 500px;
    padding: 120px 0 20px;
}
.swiper-slide{
    overflow: hidden;
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -ms-transition: all .3s;
    -o-transition: all .3s;
    transition: all .3s;
    -webkit-box-shadow:  1px 1px 15px rgba(0,0,0,.1);
    -moz-box-shadow:  1px 1px 15px rgba(0,0,0,.1);
    box-shadow:  1px 1px 15px rgba(0,0,0,.1);
    background: #f7f7f7;
}
.swiper-slide:after{
    content: "";
    display: block;
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: 1;
    width: 0;
    height: 0;
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -ms-transition: all .3s;
    -o-transition: all .3s;
    transition: all .3s;
    -webkit-border-radius: 12px;
    -moz-border-radius: 12px;
    border-radius: 12px;
}
.swiper-slide .box{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    height: 100%;
    position: relative;
    z-index: 10;
}
.swiper-slide img{

}
.swiper-slide .tit{
    margin-top: 60px;
    font-size: 16px;
    font-weight:bold;
}
.swiper-slide .txt{
    color: #999;
    margin-top: 20px;
    font-size: 14px;
}
.swiper-slide-active,
.swiper-slide-duplicate-active{
    -webkit-border-radius: 12px;
    -moz-border-radius: 12px;
    border-radius: 12px;
    -webkit-transform: translateY(-70px);
    -moz-transform: translateY(-70px);
    -ms-transform: translateY(-70px);
    -o-transform: translateY(-70px);
    transform: translateY(-70px);
}
.swiper-slide-active:after,
.swiper-slide-duplicate-active:after{
    content: "";
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    -webkit-transition: all .5s;
    -moz-transition: all .5s;
    -ms-transition: all .5s;
    -o-transition: all .5s;
    transition: all .5s;
    background: #ff5f57;
}
.swiper-slide-active .tit{
    color: #fff;
}
.swiper-slide-active .txt{
    color: #ffbfbc;
}


.section-ota{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 800px;
    background: url("../images/dtr_content_bg.jpg") center no-repeat;
}
.section-ota .section-bar{
    padding-bottom: 50px;
}
.section-ota .section-bar__tit,
.section-ota .section-bar__sub{
    color: #fff;
}


.dtr-strong-content{
    padding-top: 50px;
    text-align: center;
}


.show-entry-block{
    height: 200px;
    position: relative;
    background: url("../images/dtr_content_img12.jpg") center no-repeat;
}
.show-entry-block .label{
    color: #fff;
    display: inline-block;
    height: 40px;
    line-height: 40px;
    padding: 0 18px;
    position: absolute;
    top: 50%;
    right: 50%;
    margin: -21px -600px 0 0;
    border: 1px solid #fff;
    font-size: 14px;
}
.show-entry-block .label:after{
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    vertical-align: middle;
    margin: -3px 0 0 5px;
    border-top: 1px solid #fff;
    border-right: 1px solid #fff;
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg);
}