.showsitemenu {height:50px;} 
.showsitemenufix {height:50px;background:#ffffff;z-index:100;position:absolute;top:0px;left:0px;width:100%;min-width:960px;}
.showsitemenu[data-fix="1"] .showsitemenufix {position:fixed;} 

.showsitemenu .content {position:relative;height:50px;margin:0px 20px;
    -moz-box-shadow:    0px 15px 20px -20px rgba(0,0,0,0.3);
    -webkit-box-shadow: 0px 15px 20px -20px rgba(0,0,0,0.3);
    box-shadow:         0px 15px 20px -20px rgba(0,0,0,0.3);
}
.showsitemenu .contentknife {position:absolute;top:0px;left:-20px;bottom:0px;right:-20px;overflow:hidden;}
.showsitemenu .contentinner {position:absolute;top:0px;left:0px;bottom:0px;white-space:nowrap;font-size:0px;text-align:left;min-width:990px;}

.showsitemenu .content a {position:relative;display:inline-block;margin:0px 20px;text-decoration:none;}
.showsitemenu .content .note {position:relative;line-height:45px;font-size:18px;color:#c7000d;text-decoration:none;z-index:2;white-space:normal;}
.showsitemenu .content .bg {position:absolute;z-index:1;background:#ffffff;top:45px;left:0px;right:0px;height:5px;}

.showsitemenu .content a[data-sel="1"] .bg {background:#c7000d;}
.showsitemenu .content a[data-sel="1"] .note {color:#000000;text-decoration:none;}


.showsitemenu .constsel {position:absolute;z-index:10;bottom:0px;height:5px;background:#c7000d;display:none;
    transition:all 0.5s ease;
    -o-transition:all  0.5s ease;
    -mos-transition:all  0.5s ease;
    -webkit-transition:all  0.5s ease;
}
.showsitemenu[data-constsel] .content .bg {display:none;}