.menu .nav li{
    float: left;
    width: 118px;
    position: relative;
        line-height: 49px;}
.menu .nav li:hover{
       background: #0d7dd4;}
.menu .nav li a{
 font-family:微软雅黑;
 font-size:15px;
     font-weight: bold;
     padding:0px;}
.menu .nav li .nav2{
   display: none;
    position: absolute;
        z-index: 2;
    background: #0d7dd4;}
.menu .nav li:hover .nav2{ 
display: block;}
.menu .nav li .nav2 a{
 font-weight: normal;
  font-size:14px;}
.menu .nav li .nav2 li{
      line-height: 30px;}
.menu .nav li .nav2 a:hover{
 color:#ffff00;}