.old[data-v-52a79c70]{color:#fff}.old .bg_dot[data-v-52a79c70]{position:absolute;left:0;top:0;width:100%;height:100%;z-index:0}.old .bg_block[data-v-52a79c70]{width:100%;background:url(../img/bg.e1855ad4.png) no-repeat;background-size:100% 100%}.old .bg_block .brief[data-v-52a79c70]{color:#edf0f4;padding:200px 0 220px 12vw;width:50vw;font-size:1.1vw}.old .bg_block .brief .b_tit[data-v-52a79c70]{font-size:3vw;font-weight:700}.old .bg_block .brief .b_subtit[data-v-52a79c70]{margin:30px 0 60px 0}.old .main_tit[data-v-52a79c70]{text-align:center;margin-bottom:40px}.old .main_tit div[data-v-52a79c70]:first-child{font-size:2.2vw;font-weight:700}.old .main_tit div[data-v-52a79c70]:last-child{color:#9fa2a7;font-size:.9vw}.old .main_tit .line[data-v-52a79c70]{width:260px;height:1px;background-color:#fff;margin:6px auto}.old .one_item[data-v-52a79c70]{padding:30px 20px;width:240px;height:300px;text-align:center;background-size:100% 100%!important;margin:0 10px;margin-bottom:20px;z-index:99}.old .one_item .sub_tit[data-v-52a79c70]{margin:8px 0;font-weight:700}.old .one_item .line[data-v-52a79c70]{width:100%;height:1px;background-color:#fff;margin:6px auto}.old .one_item .detail[data-v-52a79c70]{text-align:left}.old .img_bg[data-v-52a79c70]{position:absolute;left:0;top:0;width:100%;height:100%;z-index:0}.old .first_block[data-v-52a79c70],.old .seventh_block[data-v-52a79c70],.old .third_block[data-v-52a79c70]{background:#0b1b33;background-size:100% 100%;padding:80px 0;position:relative}.old .seventh_block .img_bg[data-v-52a79c70]{background:url(../img/第三部分.5745a9a5.png)}.old .first_block .the_cnt[data-v-52a79c70]{width:1080px;margin:0 auto;display:flex;justify-content:center;flex-wrap:wrap}.old .first_block .img_bg[data-v-52a79c70]{background:url(../img/第一部分.396e88c4.png);background-size:contain}.old .third_block .the_cnt[data-v-52a79c70]{width:80%;display:flex;justify-content:space-around;margin:0 auto;flex-wrap:wrap}.old .third_block .the_cnt .one_item[data-v-52a79c70]{width:30%;height:200px}.old .third_block .the_cnt .one_item .sub_tit span[data-v-52a79c70]{font-size:1.2vw;color:#f48d06;font-weight:900;margin-right:6px}.old .third_block .img_bg[data-v-52a79c70]{background:url(../img/第二部分.178e5c32.png);background-size:contain}.old .seventh_block .the_cnt[data-v-52a79c70]{width:80%;margin:0 auto;display:flex;justify-content:space-around}.old .seventh_block .img_bg[data-v-52a79c70]{background:url(../img/第二部分.178e5c32.png);background-size:contain}@media screen and (max-width:1080px){.old .main_tit[data-v-52a79c70]{margin-bottom:20px}.old .main_tit div[data-v-52a79c70]:first-child{font-size:18px}.old .main_tit div[data-v-52a79c70]:last-child{font-size:10px}.old .main_tit .line[data-v-52a79c70]{width:40vw}.old .one_item[data-v-52a79c70]{margin-bottom:10px}.old .bg_block .brief[data-v-52a79c70]{width:100%;padding:40px 30px;font-size:14px}.old .bg_block .brief .b_tit[data-v-52a79c70]{font-size:27px}.old .bg_block .brief .b_subtit[data-v-52a79c70]{margin:20px 0}.old .fifth_block[data-v-52a79c70],.old .first_block[data-v-52a79c70],.old .fourth_block[data-v-52a79c70],.old .second_block[data-v-52a79c70],.old .seventh_block[data-v-52a79c70],.old .sixth_block[data-v-52a79c70],.old .third_block[data-v-52a79c70]{padding:40px 30px}.old .first_block .the_cnt[data-v-52a79c70]{width:100%;flex-direction:column;justify-content:center;align-items:center}.old .third_block .the_cnt[data-v-52a79c70]{width:100%}.old .third_block .the_cnt .one_item[data-v-52a79c70]{width:48%;height:120px;padding:10px;margin:unset}.old .third_block .the_cnt .one_item img[data-v-52a79c70]{height:60px}.old .third_block .the_cnt .one_item .sub_tit[data-v-52a79c70]{font-size:12px}.old .third_block .the_cnt .one_item .sub_tit span[data-v-52a79c70]{font-size:14px}.old .seventh_block .the_cnt[data-v-52a79c70]{width:100%;flex-wrap:wrap}.old .seventh_block img[data-v-52a79c70]{margin-bottom:10px;width:48%}}