.about-block4 .w1620 {
  transition: background 0.5s;
}

.aboutDown {
  position: relative;
}
.aboutDown .view {
  display: flex;
  align-items: center;
  width: 100%;
  height: 50px;
  padding: 0 24px;
  background: #F4F5F6;
  cursor: pointer;
}
.aboutDown .view span {
  display: block;
  font-size: 16px;
  color: #999;
}
.aboutDown .view i {
  display: block;
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  background: url(../images/about/down2.png) no-repeat center center;
  background-size: 100% auto;
}
.aboutDown .list {
  display: none;
  flex-direction: column;
  position: absolute;
  left: 0;
  top: 54px;
  z-index: 1;
  overflow-y: auto;
  background: #fff;
  width: 100%;
  max-height: 300px;
  border: 1px solid #e6e6e6;
}
.aboutDown .list a {
  padding: 0 24px;
  border-bottom: 1px solid #e6e6e6;
  font-size: 16px;
  color: #999;
  line-height: 50px;
}
.aboutDown .list a:last-child {
  border-bottom: 0;
}

.aboutEnBlock3 .history-box .text {
  text-align: left;
}/*# sourceMappingURL=about.css.map */