body {font-size: 14px; line-height: 30px; font-family:"微软雅黑"; color: #333; background:#F5F5F5;}
*{ margin:0; padding:0;}
a {text-decoration:none;color:#454754;}
a:hover {text-decoration:underline; color:#000; }
ul,ol {list-style:none;}
img{border:0;}
.clear{ clear:both;}
.allcontainer img{ max-width: 100%; }
.m_banner{ display: none; }
.bottom_sbj{display:none;}
.banner{ width:100%;height:700px; background:url(banner.png) no-repeat center; margin-bottom:30px;}
.container{ width:1200px; margin:0 auto; }
.line_h{height:20px;}


.nav_1{width:860px; height:480px; float:left; margin-bottom:40px;}
.nav_1 .p_pc{width:860px; height:480px; display:block; background:#ccc;}


.nav_2{float:right; width:330px; border:1px solid #DADADA; display:block;}
.nav_2 .bg{background:url(bg1.png) no-repeat center; height:35px;}
.nav_2 .box{width:310px; height:423px; background:#fff; padding:10px; overflow:hidden;}

.nav_3{ margin-bottom:40px;}
.nav_3 .bg{ width:100%;height:40px; border-bottom:7px solid #AD000B;}
.nav_3 .bg span{ font-size:20px; font-weight:bold;background: #AD000B; float:left; display:block; padding:0 40px; height:40px; line-height:40px; text-align:center; color:#fff;}
.nav_3 ul{ background:#fff; padding:15px; overflow:hidden; display:block;}
.nav_3 ul li{ float:left; width:380px; height:40px; line-height:40px; font-size:18px;}
.nav_3 ul li a{ padding-left:5px;}