.focus {
  height: 307px;
  overflow: hidden;
  position: relative;
}

/* focus_s */
.focus_s {
  position: absolute;
  height: 25px;
  bottom: 0px;
  padding-left: 15px;
  padding-top: 15px;
  overflow: hidden;
  width: 425px;
  z-index: 9;
  margin: 0px;
  background-color: #000;
  opacity: .5;
  filter: alpha(opacity=50);
}
.focus_s ul{
  padding: 0;
  margin: 0;
  list-style-type: none;
}

.focus_s li {
  float: left;
  cursor: pointer;
  height: 12px;
  width: 12px;
  overflow: hidden;
  margin-right: 10px;
  background: #ffffff;
  border-radius: 12px
}

.focus_s li.active {
  background: #fac700
}

/* focus_m */
.focus_m ul {
  opacity: 1;
  filter: alpha(opacity=100);
}

.focus_m li {
  width: 100%;
  height: 307px;
  position: absolute;
  top: 0;
  left: 0;
}

/* focus_l focus_r */
.focus_l,
.focus_r {
  position: absolute;
  display: block;
  width: 50px;
  height: 75px;
  overflow: hidden;
  z-index: 2;
  top: 120px;
}

.focus_l {
  left: 0;
}

.focus_r {
  right: 0;
}

.focus_l b,
.focus_r b {
  position: absolute;
  z-index: 1;
  display: block;
  width: 50px;
  height: 75px;
  overflow: hidden;
  background: #000;
  opacity: 0.3;
  filter: alpha(opacity=30);
  cursor: pointer;
}

.focus_l span,
.focus_r span {
  display: inline-block;
  position: relative;
  z-index: 2;
  width: 22px;
  height: 33px;
  top: 21px;
  cursor: pointer;
  margin-right: 28px;
}

.focus_l span {
  left: 12px;
  background-image: url(../../img/l_pic1.png);
  _background: none;
  _filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='l.png');
}

.focus_r span {
  left: 16px;
  background: url(../../img/r_pic1.png) 0 0 no-repeat;
  _background: none;
  _filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='r.png');
}

.focus_l:hover b,
.focus_r:hover b {
  opacity: 0.5;
  filter: alpha(opacity=50);
}