.bigpic {
  width: 100%;
  height: 650px;
  margin-top: 40px;
  margin-bottom: 30px;
}
.bigpic img {
  width: 100%;
  height: 100%;
  display: block;
}
.vision-item {
  width: 290px;
  height: 205px;
  box-sizing: border-box;
  float: left;
  margin-right: 13px;
  margin-bottom: 29px;
  font-size: 16px;

}
.vision-item-img {
  display: block;
  width: 100%;
  height: 160px;
}
.vision-item-img img {
  width: 100%;
  height: 100%;
  display: block;
}
.vision-item p {
  line-height: 1;
  margin: 5px 0 ;
}
.vision-item span {
  font-size: 12px;
  color: #999;
}
.clock-icon {
  width: 12px;
  height: 12px;
  display: inline-block;
  background: url("../img/clock.png") no-repeat;
  margin-right: 4px;
  position: relative;
  top: 2px;
}
.clear-margin{
  margin-right: 0;
}