@charset "utf-8";
/* CSS Document */
.page{clear:both;width:100%; margin-top:30px;margin-bottom:50px;text-align:center;}
.page span{display:inline-block;width:auto;margin-right:5px;padding:5px 10px 5px 10px; background:#f6f6f6; border:#e3e3e3 1px solid;}
.page span:hover{background:#000; color: #fff;}
.page span:hover a{color: #fff;}
.page strong{color:#000;}


.center_title{margin:auto; margin-top:30px;width:95%; height:auto; overflow:hidden;}

.main{clear:both;margin:auto;padding:0; width:95%;height:auto!important;min-height:100px;max-height:none;overflow:hidden;display: flex;}
.main_center{flex:1; margin:0;padding:0;margin-left: 50px;}
.main_left{margin:0; margin-top:0px;padding:0; width: 300px; height:auto;overflow:hidden;order: -1; }

.main_center .ct{font-weight:normal; font-size:28px; text-align:center;}
.main_center h1{  color:#666; font-weight:normal;font-size: 28px;}
.video_list{margin:auto; margin-top:30px;margin-bottom:50px;width:90%; height:auto; overflow:hidden;}
.video_list ul{display:block;float:left; margin:1%; width:48%;height:auto;overflow:hidden;border-radius: 10px;}
.video_list .p{padding-bottom:28%;padding-top:28%;height:0; overflow: hidden; background:#ededed no-repeat center center;background-size:contain; display: flex; justify-content: center; align-items: center;  border-radius: 3px;}
.video_list .p:hover{background-size:105%;}
.video_list .p span{ font-size: 60px; color: rgb(1, 79, 150,0.8);}
.video_list .n{ margin: 10px; line-height: 25px; height: 25px;}


#main_left{margin:0; margin-top:0px;padding:0; width: 300px; height:auto;overflow:hidden;order: -1; }
#left_title{line-height:40px;color:#000;font-weight:normal;text-transform: capitalize;font-size:20px;}
#left_title a{color:#000;text-transform: uppercase; }
#left_list{margin:auto; margin-top:30px;width:95%;}
#left_list .c{padding:15px;background: #f5f5f5; margin-bottom: 10px; border-left: #014f96 0px solid; border-top-left-radius: 5px;border-bottom-left-radius: 5px;}
#left_list .c a{display:block; color:#000;}
#left_list .c span{float: right;font-size: 14px; margin-top: 5px;}
#left_list .c:hover{ background:#f1f1f1;}
#left_list .s{position:absolute;margin-left:198px;margin-top:-25px;width:789px;height:auto; overflow:hidden;z-index:99999999999999;background:#FFF;border:#f1f1f1 1px solid;display:none;}
#left_list .c_s{ margin-left:20px;padding:10px;}
#left_list .c_s_s{position:absolute;margin-left:204px;margin-top:-20px;width:788px;height:auto; overflow:hidden;z-index:99999999999999;background:#f1f1f1;border:#f1f1f1 1px solid;display:none;}
#left_list .c_s_n{display:inline-block; margin-left:5px;height:25px;line-height:25px;width:145px; text-align: center; overflow:hidden;}
#left_list .c_s_n a{font-weight:normal;}
#left_list .c_s::before{content:"";display: inline-block; width: 15px; height: 15px; border-radius: 50%; margin-top:0px; margin-right: 10px; vertical-align: middle;background:#fff; border: #ccc 1px solid; background-size: cover;}
#left_list .c_s a:hover{ color: #999;}
#left_list .c_s:hover::before{background:#014f96;border: #014f96 1px solid;}
#left_list .c_s_on{ margin-left:20px; padding:10px;}
#left_list .c_s_on::before{content:"";display: inline-block; width: 15px; height: 15px; border-radius: 50%; margin-top:0px; margin-right: 10px; vertical-align: middle;background:#ccc; border: #ccc 1px solid;}
#left_list .c_s_on a:hover{ color: #999;}
#left_list .c_s_on:hover::before{background:#014f96;border: #014f96 1px solid; }

.video_view{ text-align: center; padding-bottom: 50px;}
#video{ background: #000; border-radius: 5px; width: 800px; height: 600px;}
.video_content{font-size:1.2rem;line-height:2rem;}
.video_content a{font-size:1.2rem;color:#014f96;text-decoration: underline;}
.video_content img{ max-width:1000px; height:auto;}
.video_button{margin-top:30px;text-align:center;}
.video_button a{ display: inline-block; padding:10px 15px 10px 15px;border:none; width:150px;text-align:center; background:#014f96;color:#fff;cursor:pointer;border-radius:5px;}

@media screen and (min-width: 1400px) {
.main{width: 80%;}
.center_title{width: 80%;}
.center_product{width: 80%;}
}

@media screen and (max-width: 750px) {
.tt{ font-size: 16px;}

.center_title{ width:95%;}

.main{width:100%; margin-top:20px;display: block;}
.main_center{width:100%; margin-left: 0px;}
.center_title{ padding:0px 10px 0px 10px;}
.main_left{width:100%;display: none;}
#left_title{display:none;}
#left_list{ margin-top:30px; margin-bottom:20px;width:100%;width:100%;}
#left_list .c{ margin:5px 10px 5px 10px; padding:10px 15px 10px 0px; text-align:center; background:#f1f1f1; border-bottom:#FFF 1px solid;}
#left_list .c a{display:block; font-size:16px;}
    
.video_list{ width: 100%;}
.video_list ul{width:96%; padding:2%; margin: 0px; border-bottom:#f2f2f2 20px solid;box-shadow:none; border-radius: 0px;}
.video_list ul:hover{box-shadow:none; border-radius: 0px;}
.video_list .n{ margin: 10px; line-height: 25px; height: 50px;}

#video{ margin: 0; padding: 0; background: #000; border-radius: 0px; width: 100%; height: auto;}

.center_content{ width:95%;}
}