.head2 {position: relative;z-index: 11;height:5rem;background: #0f0f0f; }
        .head2 .logo{ width:38%; float:left; margin:0 0 0 0;}
        .head2 .logo img{display:block; width:100%;}
        .head2 h4{ width:50%; line-height:5rem; line-height: 5rem; font-size:1.3rem; color:#fff; float:left; text-align:right; font-weight: normal;}
        .head2 h4 a{position: relative; float:left; width:33%;text-align: center; color:#fff;}
        .head2 h4 a:before{content: "";position: absolute;width: 1px;height: 1rem;background: #fff; right: 0;top:2.1rem;}
        .head2 h4 a:nth-child(3):before{background: none;}

        .head2 .menu_btn{width:10%; height:5rem; float:right; overflow:hidden;}
        .head2 .menu_btn a.downmenu{display:block; width:86%; padding:1.6rem 0 0 0;}
        .head2 .menu_btn img{ display:block; width:100%;}
        .menu2 .slideMenu{width:50%; display: none;z-index:16;position:absolute; top:5rem; right:0px; transition:transform 1s;-webkit-transition:transform 1s;}
        .menu2.down .slideMenu{transform:translate3D(0,100%,0);-webkit-transform:translate3D(0,100%,0);}
        .menu2 ul {background:#0f0f0f;padding-bottom: 1rem;}
        .menu2 ul li {line-height:3rem;text-align:center;color:#fff; position:relative;font-size:1rem;}

        .menu2 ul li:before{ content:""; position:absolute; bottom:0; left:0; width:100%; height:1px; background:#ccc;}
        .menu2 ul li:last-child:before{ background:none; border:0;}
        .menu2 ul li a {display: block;height: 3rem;line-height: 3rem; font-size:1rem; font-family:"Microsoft Yahei"; color: #fff;text-decoration: none;}
       

 .m4-prod-list-content-1-con{margin-top:2rem;}
.m4-prod-list-content-1-con li {
            width: 48.56%;
            padding:0 0 2rem;
        }
.m4-prod-list-content-1-con li img {
            display: block;
            width: 100%;
            height: 11rem;overflow:hidden;
            box-sizing:border-box;
            border:solid 1px #d7d7d7;
        } 
.m4-prod-list-content-1-con span {
            display: block;
            color: #3b3e3d;
            line-height: 2.4rem;
            height: 2.4rem;overflow: hidden;
            text-align: center;
        }
    

        .g-ft{height:4rem;position: relative;}
 .g_fnva{ position:fixed; z-index:100; bottom:0; width:100%;max-width:640px;min-width:320px;background:#0f0f0f}
        .m-f01 li{float: left;width: 25%;text-transform: uppercase;border-right: 1px  solid #292a2f; box-sizing:border-box;-moz-box-sizing:border-box;-webkit-box-sizing:border-box;}
        .m-f01 li em{display: block;width: 45%;padding-top: 0.5rem; margin: 0 auto;}
        .m-f01 li img{width: 100%;display: block;}
        .m-f01 a{ color:#009946;line-height:2.2rem;;display:block;text-align:center;font-size: 1rem;position: relative;}