.nav{width:1200px; margin:0 auto;}
.nav ul {
  *zoom: 1;
  list-style: none;
  margin: 15px 0 0 0;
  padding: 0;}
.nav ul:after {
  clear: both;}
.nav ul > li {
  width:120px;
  text-align:center;
  float: left;
  position: relative;}
.nav a {
  display: block;
  line-height: 1.2em;
  color: #fff;
  font-size:14px;
  font-weight:nomal;}
.nav a:hover {
  text-decoration: none;
  border-bottom: none;}
.nav li ul li {
  width: 110px; text-algin:center;padding:0 0px 0 0;}
.nav li ul a {
  border: none;}
.nav li ul a:hover {
  border-bottom:none;opacity: 0.8;}
.nav3 ul > li:hover ul li {
  height: 50px;}
.nav3 li ul {
  position: absolute;
  left: 0;
  z-index: 1;}
.nav3 li ul li {
width:100%;
  overflow: hidden;
  height: 0;
  -webkit-transition: height 200ms ease-in;
  -moz-transition: height 200ms ease-in;
  -o-transition: height 200ms ease-in;
  transition: height 200ms ease-in;}

.img_hover:hover{opacity:0.8;}
.a_hover:hover{color:#9A0201;}