.banner { width:100%; float:left;}
.banner img { width:100%; float:left;}

.zt_con1 { width:100%; float:left; }
.zt_con1 img { width:100%; float:left;}
.zt_con1 a { width:100%; float:left;}

.zt_con2 { width:100%; float:left; }
.zt_con2 { width:100%; float:left;}
.zt_con2 ul { width:100%; float:left;}
.zt_con2 ul li { margin-top:2%; float:left; cursor:pointer; background:#f3f3f3; width:92%; color:#00919d; padding-right:8%;}
.zt_con2 ul li h1 { width:96%; float:left; margin-left:4%; font-weight:normal; font-size:1.5rem; line-height:4rem; height:4rem;}
.zt_con2 ul ul { width:100%; float:left;}
.zt_con2 ul ul img {width:94%; margin:3%; float:left;}
.zt_con2 .folder {background:url(../img/lb-002-1.png) no-repeat right center #f3f3f3; background-size:auto 50%; -moz-border-radius:0.5rem; /* Gecko browsers */ -webkit-border-radius: 0.5rem; /* Webkit browsers */ border-radius:0.5rem; /* W3C syntax */}
.zt_con2 .open {background:url(../img/lb-002-2.png) no-repeat right center #f3f3f3; background-size: auto 50%; -moz-border-radius:0.5rem 0.5rem 0px 0px; /* Gecko browsers */ -webkit-border-radius: 0.5rem 0.5rem 0px 0px; /* Webkit browsers */ border-radius:0.5rem 0.5rem 0px 0px; /* W3C syntax */}