.head-line {
  font-size: 22px;
  line-height: 26px;
  text-align: center;
  margin-bottom: 50px;
  letter-spacing: 2px;
}
.head-line .title {
  font-size: 36px;
  line-height: 50px;
}
.head-line.middle {
  font-size: 18px;
}
.head-line.middle .title {
  font-size: 32px;
  line-height: 44px;
}
.brand_bivision {
  background: #fafafa;
  padding: 70px 0;
}
.brand_bivision .bd_list .more {
  padding-right: 25px;
  display: none;
}
.brand_bivision .bd_list .more i.icon {
  margin: -2px 2px 0 5px;
}
.brand_bivision .bd_list .more .slide.down .slide_d {
  display: block;
}
.brand_bivision .bd_list .more .slide.down .slide_t {
  display: none;
}
.brand_bivision .bd_list .more .slide.up .slide_d {
  display: none;
}
.brand_bivision .bd_list .more .slide.up .slide_t {
  display: block;
}
.brand_bivision .bd_list ul {
  margin-bottom: 40px;
  overflow: hidden;
}
.brand_bivision .bd_list ul li {
  width: 148px;
  height: 92px;
  border: 1px solid #ebebeb;
  background: #fff;
  float: left;
  margin: 8px 0 8px 25px;
  text-align: center;
}
.brand_bivision .bd_list ul li a {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
}
.brand_bivision .bd_list ul li a img {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}
.brand_bivision .bd_list ul li p {
  font-size: 18px;
  line-height: 92px;
  padding: 0 8px;
  white-space: nowrap;
  text-overflow: ellipsis;
  -o-text-overflow: ellipsis;
  overflow: hidden;
}
.brand_bivision .bd_list ul li:hover,
.brand_bivision .bd_list ul li.cur {
  border: 2px solid #f90645;
  width: 146px;
  height: 90px;
}
.brand_bivision .bd_list ul li:hover p,
.brand_bivision .bd_list ul li.cur p {
  line-height: 90px;
  background: #f90645;
  color: #fff;
}
.brand_bivision .bd_list ul li.first {
  margin-left: 0;
}
.brand_bivision .ch_list ul li {
  float: left;
  margin: 6px 0 6px 13px;
  width: 290px;
  height: 290px;
  background: #636363;
}
.brand_bivision .ch_list ul li a {
  display: block;
  text-align: center;
  color: #fff;
  font-size: 28px;
  line-height: 290px;
}
.brand_bivision .ch_list ul li.first {
  margin-left: 0;
}