.type {
  margin: 0 auto;
  width: 1200px;
  padding: 16px 0;
  border-bottom: 1px solid #eee;
  font-size: 0;
}
.type span {
  display: inline-block;
  padding: 8px 20px;
  font-size: 14px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #333333;
  border-radius: 16px;
  cursor: pointer;
}

.type span.on {
  color: #fff;
  background-color: #ff5121;
}
.picture {
  margin: 0 auto;
  width: 1200px;
}
.picture ul {
  overflow: hidden;
  padding-top: 40px;
  margin-left: -52px;
  display: none;
}
.picture ul.on {
  display: block;
}
.picture li {
  float: left;
  width: 198px;
  height: 148px;
  margin-left: 52px;
  margin-bottom: 40px;
}
.picture img {
  height: 100%;
}