.main_container .banner{width:100%;background:#000;margin-bottom:70px;}.main_container .main{width:70%;margin:0 auto;}.main_container .main ul{overflow:hidden;width:100%;}.main_container .main ul li{float:left;width:33.333%;}.main_container .main .present_text li{overflow:hidden;}.main_container .main .present_text li .present_text_left{float:left;width:25%;}.main_container .main .present_text li .present_text_right{float:left;margin-top:10px;font-weight:600;margin-left:5%;}.main_container .main .present_text li .present_text_right .english_title{font-size:15px;}.main_container .main .present_text li .present_text_right .bold_title{font-size:26px;margin:3px 0;font-weight:bold;}.main_container .main .present_text li .present_text_right .title_present{font-size:16px;}.main_container .main .present_img{margin:30px auto 35px;}body .main_container .main{width:1240px;}