.part1 {
  width: 100%;
  height: 480px;
  background: url("../imgs/teacher/banner.png") center bottom no-repeat;
}
.parts {
  width: 1200px;
  margin: 0 auto;
}
.parts .title {
  font-size: 34px;
  font-weight: bolder;
  text-align: center;
  padding: 50px 0;
}
.part2 {
  width: 100%;
  height: 679px;
  background: url("../imgs/xuezhi/icon_jiejuewenti.png") center center;
}
.part2 .main {
  width: 1266px;
  height: 546px;
  background: url("../imgs/xuezhi/bg.png") center center no-repeat;
  overflow: hidden;
  margin-left: -33px;
}
.part2 .main .list {
  display: flex;
  justify-content: space-between;
  width: 1106px;
  height: 390px;
  margin: 71px auto 0;
  position: relative;
  left: -6px;
}
.part2 .main .list li {
  width: 262px;
  height: 390px;
  background: url("../imgs/shipin/icon_weidianji.png") center center no-repeat;
}
.part2 .main .list li:hover {
  background: url("../imgs/shipin/icon_dianjihou.png") center center no-repeat;
}
.part2 .main .list li img {
  display: block;
  margin: 40px auto;
}
.part2 .main .list li p {
  text-align: center;
  padding: 0 30px ;
}
.part2 .main .list li p * {
  color: #fff;
}
.part2 .main .list li p .span1 {
  font-size: 18px;
}
.part2 .main .list li p .span2 {
  font-size: 20px;
  line-height: 36px;
}
.part3 {
  overflow: hidden;
  padding-bottom: 50px;
}
.part3 .neirong {
  overflow: hidden;
}
.part3 .neirong .left {
  float: left;
  width: 628px;
  height: 439px;
  background: url("../imgs/teacher/icon_jinzita.png") center center no-repeat;
}
.part3 .neirong .right {
  float: left;
}
.part3 .neirong .right li {
  padding: 24px 0 0;
}
.part3 .neirong .right li p {
  line-height: 32px;
  font-size: 12px;
  color: #333333;
}
.part4 {
  height: 585px;
  width: 100%;
  background: url("../imgs/shipin/bg_chanpinyoushi.png") center center no-repeat;
  text-align: center;
}
.part4 .clist {
  width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
}
.part4 .clist li {
  width: 190px;
  padding-top: 30px;
}
.part4 .clist li img {
  display: block;
  margin: 0 auto;
}
.part4 .clist li p {
  font-size: 17px;
  color: #fff;
  line-height: 32px;
  text-align: center;
  font-weight: bold;
  padding-top: 38px;
}
.part5 {
  height: 748px;
}
.part5 .parts .neirong {
  height: 489px;
  background: url("../imgs/teacher/icon_kechengshouyi.png") center center no-repeat;
  position: relative;
}
.part5 .parts .neirong .ps {
  width: 320px;
  height: 60px;
  position: absolute;
  text-align: center;
  line-height: 30px;
  font-size: 16px;
  font-weight: bold;
}
.part5 .parts .neirong .ps1 {
  top: 104px;
  left: 0;
}
.part5 .parts .neirong .ps2 {
  top: 104px;
  right: 0;
}
.part5 .parts .neirong .ps3 {
  top: 386px;
  left: 0;
}
.part5 .parts .neirong .ps4 {
  top: 386px;
  right: 0;
}