.sp_header{height:60px;overflow:hidden;background:#fff;position:fixed;z-index:10; width:100%; top:0;}
.sp_logo{padding:10px; float:left; height:60px}
.sp_logo img{margin:auto;max-height:40px;}
.sp_nav{width:60px;float:right;position:relative;cursor:pointer;height:40px; margin-top:20px}
.sp_nav span{display:block;background:#c9141e;width:30px;height:2px;position:absolute;left:10px;transition:all ease 0.35s}
.sp_nav span:nth-of-type(1){top:0px}
.sp_nav span:nth-of-type(2){top:10px}
.sp_nav span:nth-of-type(3){top:20px}
.sp_nav_se span:nth-of-type(1){top:10px;transform:rotate(45deg)}
.sp_nav_se span:nth-of-type(2){width:0}
.sp_nav_se span:nth-of-type(3){top:10px;transform:rotate(-45deg)}
.sjj_nav{position:fixed;z-index:9;background:#eee;width:100%;height:calc(100% - 0px);font-size:18px;line-height:80px;top:-100%;left:0;overflow:auto;overflow-x:hidden;transition:top ease 0.35s;}
.nav_show{top:60px}
.sjj_nav ul li{ border-bottom:1px #ddd solid; position:relative;line-height:80px;font-size:18px}

.sjj_nav ul li a{width:100%; height:100%; }