.g_hd {height:5rem; font-family: "Microsoft Yahei"; position:relative;max-width:750px; min-width:320px;margin:0 auto; width:100%; background:#fff;}
          .hd-logo { float: left;width:36.66666%; height: auto; margin:1rem 0 0 4% ;}
          .hd-logo img { width: 100%; height: auto; display: block;}
          .u-text {width:44%;float:left;overflow: hidden; height:5rem; line-height:5rem; text-align:center;font-size:1.4rem; margin-left:4%;}
          .u-text a{ display:block; width:33.33%;color: #282828; font-size:1.4rem; text-align:center; font-weight:normal; float:left;}
          .menu_ico { display: block; width:9.33%; float:right; height:5rem; overflow:hidden; background: url(images/home.png) no-repeat center center; background-size:2.1rem 1.45rem;}
		  
          .menu_down{ display: none; width: 100%; background: rgba(207,1,16,0.95); height: auto;position: absolute; top:5rem; right: 0; z-index: 9;}
          .menu_down ul{padding:2rem 12.5% 5rem;}
          .menu_down  li{color: #fff; font-size:1.2rem; line-height: 3.5rem;height: 3.5rem; border: 1px solid #fff;border-radius: 1.5rem;margin-bottom: 0.8rem; text-align: center;  }
          .menu_down  li a{ color:#fff; display: block; }
      

.case_vi{ position:relative;}
 .case_vi video{
      position: absolute;
      left: 0;
      top: 0;
    width: 100%;height: 100%;z-index:3;
     background: #000;
      opacity: 0;
      -webkit-transition: all .5s;
      transition: all .5s;
  }
  .case_vi:hover video{opacity: 1;}


          .g-ft { padding-bottom:6rem;background:#0a4841 url(images/footer_bg.jpg) no-repeat center bottom; background-size:100% auto; padding-top:3rem;  box-sizing: border-box; position: relative;}
          .foot{ clear: both; width:92%; margin:0 auto;overflow: hidden;}
		  .fnav{ border-bottom:1px solid rgba(255,255,255,0.3); padding:1rem 0;}
		  .fnav h3{ font-size:1.4rem; color:#fff; background:url(images/farr1.png) no-repeat right center; background-size:0.8rem 1.2rem;}
		  .fnav h3 a{ display:block; width:50%; color:#fff;}
		  .fnav p{ display:none;border-top:1px solid rgba(255,255,255,0.3); padding:1rem 0 0; margin-top:1rem;}
		  .fnav p a{ display:block; width:33.33%; float:left; color:#fff; line-height:2.5rem;white-space: nowrap;overflow: hidden;text-overflow: ellipsis;}
		  .faddr{ text-align:center; padding:1.7rem 0; font-size:1rem; line-height:1.6rem; color:#bdd1ce;}
		  .faddr b{ padding:0 1%;}
		  .faddr a{color:#bdd1ce;}
          .g_fnva{background:#fff;background-size: 100%; height:5rem;position:fixed;bottom:0;min-width:320px;max-width:750px;width:100%;z-index:5;font-size: 1.3rem;}
          .g_fnva li{height:5rem;width:25%; line-height:1.7rem; float:left; text-align:left;color:#000;text-align:center; font-size:1rem;}
		  .g_fnva a:nth-child(3) li{ border-left:1px solid #e0e0e0;border-right:1px solid #e0e0e0; box-sizing:border-box;}
          .g_fnva a:nth-child(1) li{background:#08463c; color:#fff;}
          .g_fnva li em{display: block;padding: 0.2rem 0 0; width:3rem; margin:0 auto;}
          .g_fnva li em img{ display:block;width:100%;}