.bjBox[data-v-7c643569]{position:relative}.bj[data-v-7c643569]{min-width:1200px;width:100%;display:block}.titleBox[data-v-7c643569]{color:#fff;width:1200px;height:200px;position:absolute;top:0;right:0;left:0;bottom:0;margin:auto;text-align:center;letter-spacing:10px}.titleBox div[data-v-7c643569]:first-child{font-size:72px;font-weight:800}.titleBox div[data-v-7c643569]:nth-child(2){margin-top:18px;font-size:30px}.introduce[data-v-b32e3dc4]{width:1200px;margin:0 auto;font-weight:400;font-size:18px;color:#333;line-height:32px;padding:36px 0 80px;display:flex}.introduce .introduce_img_box[data-v-b32e3dc4]{width:634px;height:541px;margin-left:57px;position:relative;padding:116px 35px 0;box-sizing:border-box}.introduce .introduce_img_box img[data-v-b32e3dc4]{width:599px;position:relative;z-index:2}.introduce .introduce_img_box .introduce_img[data-v-b32e3dc4]{width:496px;height:496px;position:relative;z-index:2}.introduce .introduce_img_box .introduce_square[data-v-b32e3dc4]{position:absolute;z-index:1}.introduce .introduce_img_box .introduce_square[data-v-b32e3dc4]:first-child{width:234px;height:234px;background:#175bf8;top:66px;right:0}.introduce .introduce_img_box .introduce_square[data-v-b32e3dc4]:nth-child(2){width:79px;height:79px;background:#78c757;bottom:59px;left:0}.video_box[data-v-b32e3dc4]{width:100%;position:relative}.video_box img[data-v-b32e3dc4]{width:100%}.video_box .video[data-v-b32e3dc4]{width:51.28205%;height:70.92199%;position:absolute;top:11.11111%;left:24.21308%;background:#000}.classification_out[data-v-b32e3dc4]{width:100%;padding:64px 0 72px}.classification_out .classification[data-v-b32e3dc4]{height:53px;font-size:24px;font-weight:400;color:#333;margin-right:49px;cursor:pointer;position:relative}.classification_out .classification[data-v-b32e3dc4]:last-child{margin-right:0}.classification_out .classification_active[data-v-b32e3dc4]{width:49px;margin:auto;content:"";position:absolute;bottom:-8px;display:block;height:3px;text-align:center;background:#333;-webkit-animation:fadeInLeft .3s ease .2s 1 both;animation:fadeInLeft .3s ease .2s 1 both}.classification_img_box[data-v-b32e3dc4]{width:100%;height:672px;position:relative}.classification_img_box .classification_img[data-v-b32e3dc4]{width:1200px;height:555px;margin:0 auto;position:relative;z-index:2}.classification_img_box .classification_icon[data-v-b32e3dc4]{position:absolute;z-index:1}.classification_img_box .classification_icon[data-v-b32e3dc4]:nth-child(2){width:108px;height:325px;bottom:80px;left:0}.classification_img_box .classification_icon[data-v-b32e3dc4]:nth-child(3){width:226px;height:436px;top:0;right:0}