#why_acw{min-height:50px;width:100%;background-color:#f1f1f1;padding:50px 0 40px;overflow:hidden;margin:0 0 50px}.w_50{width:50%;float:left}.b_icon{margin:45px auto 20px}.txt_inner{padding-right:35px}.txt_inner span{font-size:48px;line-height:55px;text-align:left;color:#616666;font-weight:700;display:block;margin-bottom:25px}.txt_inner p{text-align:left;line-height:32px;color:#616666}.rec_box{width:49.3%;height:179px;border-radius:3px;margin-bottom:9px;text-align:center;font-weight:700}.rec_box p{color:#fff;padding:0 15px}.w100{width:100%}.col_db{background-color:#144d85}.col_gr{background-color:#616666}.col_lb{background-color:#1d7991}.over_box{overflow:hidden;margin:0 0 50px;line-height:1.5}.ss_banner{margin-bottom:20px;width:100%}.ss_banner img{width:100%}.b_inner{width:49.3%}.b_inner img{width:100%;height:auto}.b_inner2{width:49.7%}.b_inner3{width:49.4%;text-align:center}#pop_categ .b_inner3{border:1px solid #ccc;width:49%;text-align:left;padding-bottom:10px}#pop_categ h3{font-size:20px;margin:21px 0 15px 30px;color:#144d85}.img_box2{width:100%}.img_box2 img{width:100%;height:235px;display:block;margin:auto}#pop_categ .img_box2{border-bottom:1px solid #ccc;background-color:#f1f1f1}.link_18{font-size:18px;display:block;margin-top:20px;color:#0172c3 !important;line-height:25px}.b_inner3 .link_18{font-weight:700}.link_16{font-size:16px;font-weight:400;display:block;margin:0 0 10px 30px;line-height:31px}.hb_title{font-size:24px;margin:20px 0 10px;display:block;font-weight:700;color:#144d85;line-height:31px}@media only screen and (max-width: 1024px){.w_50{width:100%}.txt_inner{padding:0 0 30px}.txt_inner span{margin-top:0}.b_inner2{width:100%}.b_inner3{width:49.3%;margin-bottom:50px}.visit_library .hb_title{padding-top:3px}}@media(max-width: 767.98px){.b_inner{width:100%}body>div:nth-child(10)>div>div.fl_left.b_inner,#mits_good .fl_left.b_inner,#tool_art .fl_left.b_inner{margin-bottom:50px}.hb_title{font-size:25px}}@media only screen and (max-width: 736px){#why_acw{margin:0 0 30px}.txt_inner p{display:none}.txt_inner span{margin-bottom:0;font-size:28px;line-height:32px}.over_box{margin:0 0 30px}#mits_good .fl_left.b_inner{margin:0 0 30px}#shop_by_need .b_inner3{width:100%;float:none;margin:0}#tool_art .fl_left.b_inner{margin-bottom:25px;padding-bottom:25px;border-bottom:1px solid #f1f1f1}#pop_categ{display:none}#shop_by_need .img_box2{display:none}#mits_good .link_18{margin-top:10px}#shop_by_need .link_18{margin:0;padding:15px 0;text-align:left}#tool_art .hb_title{margin:0 0 10px}#tool_art img,#mits_good p{display:none}}@media only screen and (max-width: 480px){.txt_inner span{font-size:42px;font-size:9.9vw;line-height:11.4vw}}@media only screen and (max-width: 414px){.txt_inner span{font-size:37px;font-size:9.9vw;line-height:11.4vw}}@media only screen and (max-width: 360px){.txt_inner span{font-size:32px;font-size:9.9vw;line-height:11.4vw}}