.teachers {
  display: flex;
  flex-wrap: wrap;
}
.teachers-item {
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 172px;
  height: 262px;
  margin: 0 20px 20px 0;
  padding: 20px 5px 0;
  color: #999;
  font-size: 14px;
  line-height: 14px;
  text-align: center;
  background: #fff;
  border-radius: 12px;
}
.teachers-item:nth-child(5n) {
  margin-right: 0;
}
.teachers-item .teachers-item-img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
}

.teachers-name {
  margin-top: 10px;
  color: #000;
  font-size: 16px;
  line-height: 20px;
}
.teachers-desc {
  margin-top: 10px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.teachers-fl {
  height: 28px;
  margin-top: 10px;
}

.teachers-btn {
  display: inline-block;
  width: 136px;
  height: 26px;
  margin: 10px auto 0;
  color: #ff7415;
  font-size: 14px;
  line-height: 26px;
  text-align: center;
  border: 1px solid #ff7415;
  border-radius: 13px;
  cursor: pointer;
}

.teachers-info {
  display: flex;
  box-sizing: border-box;
  width: 100%;
  height: 199px;
  padding: 20px 35px 20px 20px;
  line-height: 16px;
  background: #fff;
  border-radius: 12px;
}
.teachers-info-img {
  width: 134px;
  height: 134px;
  margin-right: 20px;
  border-radius: 50%;
  overflow: hidden;
}
.teachers-info-name {
  margin-bottom: 12px;
  font-size: 18px;
  font-size: #000;
}
.teachers-info-intr {
  margin-bottom: 12px;
  color: #1b81f1;
  font-size: 16px;
}
.teachers-info-desc {
  display: -webkit-box;
  width: 720px;
  overflow: hidden;
  color: #666;
  font-size: 14px;
  text-overflow: ellipsis;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}
.teachers-info-btn {
  margin-top: 20px;
}
.teachers-info-btn span {
  display: inline-block;
}
.teachers-info-btn span:last-child {
  position: relative;
  top: 2px;
  left: 5px;
  width: 14px;
  height: 14px;
  text-align: center;
  background: #ff7415;
  border-radius: 50%;
}
.teachers-info-btn span:last-child::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 7px;
  height: 9px;
  margin: auto;
  background: url('../images/sjx.png') center no-repeat;
  transform: translate(-40%, -50%);
  content: '';
}