html,body,ul,ol,h1,h2,h3,h4,h5,h6{ margin:0px; padding:0px;}
ul,ol{ list-style-type:none;}
*{ font-family:"Microsoft YaHei";}
a{ text-decoration:none; color:#000; font-family:"Microsoft YaHei";}

img,span{ border:none; padding:0px; margin:0px;}

.bm_header{ width:100%;}
.bm_header_yd{ width:100%; height:34px; background:#f0f0f0;}
.ydh_box{ max-width:1080px; width:95%; margin:0 auto; overflow:hidden;}
.ydh_left{ float:left; overflow:hidden;}
.ydh_left li{ float:left; padding:0px 10px; border-right:1px solid #666; text-align:center; box-sizing:border-box; height:20px; line-height:20px; margin-top:7px;}
.ydh_left li a{ font-size:12px; color:#333; display:block; }
.ydh_left .ydh_last{ border:none;}
.ydh_right{ float:right; overflow:hidden;}
.ydh_right li{ float:left; padding:0px 10px; border-right:1px solid #666; text-align:center; box-sizing:border-box; height:20px; line-height:20px; margin-top:7px; font-size:12px; color:#333;}
.ydh_right li a{ font-size:12px; color:#333; display:block; float:left;}
.ydh_right .ydh_last{ border:none;}
.ydh_right_a{ margin-left:10px;}

.bm_header_main{ max-width:1300px; width:100%; margin:0 auto; overflow:hidden; margin-top:10px;}
.bm_header_logo{ float:left;margin-left:-48px;}
.bm_header_right{ float:right; overflow:hidden; margin-top:45px;margin-right:26px;}
.bm_header_search{ float:left; width:240px; position:relative; height:32px; border:1px solid #015293; box-sizing:border-box; border-radius:32px; overflow:hidden; margin-top:28px;}
.bm_header_search input{ float:left; display:block; width:100%; padding-left:10px; height:32px; line-height:32px; border:none; box-sizing:border-box; }
.bm_header_search button{ width:40px; height:32px; box-sizing:border-box; position:absolute; top:0px; right:0px; border:none; background:#015293 url(../images/search_03.jpg) no-repeat 8px 3px;}
.bm_het{ float:left; margin-left:30px;}

.bm_nav_box{ width:100%; height:46px; line-height:46px; background:#015293;}
.bm_nav{ max-width:1300px; width:90%; margin:0 auto; overflow:hidden;}
.bm_nav li{ width:19.5%; float:left;}
.bm_nav li a{ display:block; width:100%; text-align:center; font-size:16px; color:#fff; font-weight:bold;}

.bm_nav li:hover{ background:#0c6db6;}


@media (max-width:1180px) {
.bm_header_logo{ width:46%;}
.bm_header_logo img{ display:block; width:100%;}
.bm_header_right{ margin-top:24px; margin-bottom:24px;}
}

@media (max-width:980px) {
.bm_header_logo{ width:auto; float:none;}
.bm_header_logo img{ display:block; width:auto; margin:0 auto;}
.bm_header_right{ margin:0 auto; margin-top:0px; margin-bottom:20px; float:none; text-align:center; width:480px;}
.bm_header_search{ display:block; float:left; }
.bm_het{ display:block; float:left; margin-left:20px;}
}

@media (max-width:767px) {
.bm_header_yd{ height:auto; padding-bottom:7px; box-sizing:border-box;}
.ydh_left{ float:none;}
.ydh_right{ float:none;}
.bm_header_logo{ width:100%;margin:0px auto;}
.bm_header_logo img{ display:block; width:100%;margin-left:-18px;}
.bm_header_search{ width:184px;}
.bm_het{ width:130px; margin:0px auto;}
.bm_het img{ display:block; width:100%;}
.bm_header_search{ margin-top:12px; height:28px;}
.bm_header_search input{ height:28px; line-height:28px;}
.bm_header_right{ width:315px;}
.bm_header_search button{ background:#015293 url(../images/search_03.jpg) no-repeat 8px 1px;}
.bm_nav_box{ height:auto; padding-bottom:10px;}
.bm_nav li{ width:20%; line-height:18px; margin-top:10px;}
.bm_nav li a{ font-size:14px; font-weight:normal;}
.bm_nav li:hover{background:#0c6db6;line-height:18px;}
.bm_header_main{width:100%;margin:0px auto;}
.bm_nav{ width:95%;}
}