.nav .mul2 > li { position: relative;}
.nav .mul3 { position: absolute; top: 0; left: 99.6%;}
.nav ul li ul li ul li:hover a { color: #fff;}
.left-nav ul .sub li a { height: 36px; line-height: 36px; font-size: 15px; text-indent: 16px; white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;}