.normal-layout .footer .friends-link {
  width: 1180px;
  margin: auto;
  padding-top: 56px;
  display: block;
}
.normal-layout .footer .friends-link .friends-link-title {
  font-size: 18px;
  color: #fff;
}
.normal-layout .footer .friends-link .friends-link-item .item-name {
  color: #cdcdcd;
  font-size: 14px;
  margin-right: 50px;
}
.normal-layout .footer .friends-link .friends-link-item .item-name:hover {
  color: #fff;
}
.normal-layout .nav {
  background-color: transparent;
}
.normal-layout > .main {
  position: relative;
  text-align: center;
}
.normal-layout > .main > .banner {
  text-align: center;
  position: relative;
  height: 661px;
  background: url("../common/img/double-teacher/bg_ceed271fa7.png") no-repeat;
  background-size: cover;
  background-position: center center;
  z-index: 1;
  position: relative;
}
.normal-layout > .main > .banner > .cover {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  background: #000;
  opacity: 0.3;
}
.normal-layout > .main > .banner > .cover-top {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  z-index: 2;
}
.normal-layout > .main > .banner > .cover-top h1 {
  font-family: PingFangSC-Light, "Microsoft YaHei";
  font-size: 48px;
  font-weight: 666;
  color: #fff;
  letter-spacing: 0;
  padding-top: 222px;
  text-align: left;
  width: 1200px;
  margin: 0 auto;
  font-weight: 200;
}
.normal-layout > .main > .banner > .cover-top h2 {
  font-family: PingFangSC-Light, "Microsoft YaHei";
  font-size: 34px;
  color: #fff;
  letter-spacing: 0;
  text-align: left;
  width: 1200px;
  margin: 0 auto;
  font-weight: 200;
}
.normal-layout > .main > .banner > .cover-top h3 {
  font-family: PingFangSC-Light, "Microsoft YaHei";
  font-size: 18px;
  color: #fff;
  letter-spacing: 0;
  text-align: left;
  width: 1200px;
  margin: 10px auto 106px;
  font-weight: 200;
}
.normal-layout > .main > .banner > .cover-top > .guide {
  width: 1200px;
  margin: 0 auto;
  height: 45px;
  text-align: left;
}
.normal-layout > .main > .banner > .cover-top > .guide > .register {
  background: #fff;
  border: 2px solid #fff;
  border-radius: 5px;
  font-size: 14px;
  color: #333;
  padding: 7px 58px;
  margin-right: 20px;
}
.normal-layout > .main > .banner > .cover-top > .guide > .newer {
  border: 1px solid #fff;
  border-radius: 5px;
  font-size: 14px;
  color: #fff;
  padding: 8px 58px;
}
.normal-layout > .main > .description {
  background: #fff;
  height: 620px;
  width: 100%;
  position: relative;
  text-align: center;
  padding-top: 80px;
}
.normal-layout > .main > .description > h3 {
  font-size: 28px;
  color: #3d3d3e;
  line-height: 28px;
  margin: 0;
}
.normal-layout > .main > .description > .line {
  width: 40px;
  height: 4px;
  background: #37a4f5;
  margin: 16px auto 32px;
}
.normal-layout > .main > .description > .content {
  font-size: 16px;
  color: #3d3d3e;
  line-height: 30px;
}
.normal-layout > .main > .description > .desc-items {
  width: 1280px;
  height: 240px;
  margin: 97px auto 0;
  position: relative;
}
.normal-layout > .main > .description > .desc-items > .item {
  display: inline-block;
  width: 33%;
  height: 100%;
  text-align: center;
  vertical-align: top;
}
.normal-layout > .main > .description > .desc-items > .item > .title {
  font-size: 20px;
  color: #3d3d3e;
  letter-spacing: 0;
  line-height: 20px;
  font-weight: bold;
  margin: 47px auto 16px;
}
.normal-layout > .main > .description > .desc-items > .item > .desc {
  height: 66px;
  margin: 0 auto;
  font-size: 14px;
  color: #9d9d9e;
  letter-spacing: 0;
  line-height: 28px;
}
.normal-layout > .main > .description > .desc-items .img {
  width: 66px;
  height: 66px;
  background-size: contain;
  margin: 0 auto;
}
.normal-layout > .main > .description > .desc-items .img.img1 {
  background: url("../common/img/double-teacher/double-teacher_54d597ba7a.png") center no-repeat;
  background-image: -webkit-image-set(url("../common/img/double-teacher/double-teacher@2x_39f90c7257.png") 2x);
}
.normal-layout > .main > .description > .desc-items .img.img2 {
  background: url("../common/img/double-teacher/zhineng_e95a234b6b.png") center no-repeat;
  background-image: -webkit-image-set(url("../common/img/double-teacher/zhineng@2x_cab81129af.png") 2x);
}
.normal-layout > .main > .description > .desc-items .img.img3 {
  background: url("../common/img/double-teacher/space_e0467b18c1.png") center no-repeat;
  background-image: -webkit-image-set(url("../common/img/double-teacher/space@2x_52361b740b.png") 2x);
}
.normal-layout > .main > .example {
  background: #389ad9;
  background: -webkit-gradient(linear, left top, left bottom, color-stop(3%, #389ad9), color-stop(96%, #2071d4));
  background: -webkit-linear-gradient(top, #389ad9 3%, #2071d4 96%);
  background: -moz- oldlinear-gradient(top, #389ad9 3%, #2071d4 96%);
  background: linear-gradient(-180deg, #389ad9 3%, #2071d4 96%);
  height: 760px;
  width: 100%;
  text-align: center;
  padding-top: 82px;
}
.normal-layout > .main > .example > h3 {
  font-size: 28px;
  color: #fff;
  line-height: 28px;
  margin: 0;
}
.normal-layout > .main > .example > .line {
  width: 40px;
  height: 4px;
  background: #fff;
  margin: 16px auto 0;
}
.normal-layout > .main > .example > .desc-items {
  height: 500px;
  margin: 0 auto;
  font-size: 20px;
  color: #fff;
  position: relative;
  display: -webkit-box;
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
     -moz-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-flex-wrap: nowrap;
      -ms-flex-wrap: nowrap;
          flex-wrap: nowrap;
}
.normal-layout > .main > .example > .desc-items span {
  position: absolute;
  bottom: -24px;
}
.normal-layout > .main > .example > .desc-items > .left-item {
  background: url("../common/img/double-teacher/teacher-example_b1db1d80de.png") no-repeat;
  background-image: -webkit-image-set(url("../common/img/double-teacher/teacher-example@2x_4df1510a03.png") 2x);
  display: inline-block;
  width: 603px;
  height: 100%;
}
.normal-layout > .main > .example > .desc-items > .right-item {
  background: url("../common/img/double-teacher/student-example_4c36350a88.png") no-repeat;
  background-image: -webkit-image-set(url("../common/img/double-teacher/student-example@2x_65e4b9a72b.png") 2x);
  display: inline-block;
  width: 677px;
  height: 100%;
}
.normal-layout > .main > .example > .consult {
  display: inline-block;
  width: 200px;
  line-height: 38px;
  border: 1px solid #1795ff;
  border-radius: 5px;
  color: #333;
  cursor: pointer;
  background: #fff;
  margin-top: 24px;
}
.normal-layout > .main > .solution {
  background: #fff;
  height: 732px;
  width: 100%;
  text-align: center;
  padding-top: 82px;
}
.normal-layout > .main > .solution > h3 {
  font-size: 28px;
  color: #3d3d3e;
  line-height: 28px;
  margin: 0;
}
.normal-layout > .main > .solution > .line {
  width: 40px;
  height: 4px;
  background: #37a4f5;
  margin: 16px auto 0;
}
.normal-layout > .main > .solution > .desc {
  font-size: 16px;
  color: #3d3d3e;
  line-height: 16px;
  margin: 32px auto 64px;
}
.normal-layout > .main > .solution > .solution-bg {
  width: 1280px;
  height: 420px;
  margin: 0 auto;
  background: url("../common/img/double-teacher/chahua_92e9970662.png") no-repeat;
  background-image: -webkit-image-set(url("../common/img/double-teacher/chahua@2x_509b6f9415.png") 2x);
}
.normal-layout > .main > .soft-function {
  background: #f3f4f5;
  height: 598px;
  width: 100%;
  text-align: center;
  padding-top: 82px;
}
.normal-layout > .main > .soft-function > h3 {
  font-size: 28px;
  color: #3d3d3e;
  line-height: 28px;
  margin: 0;
}
.normal-layout > .main > .soft-function > .line {
  width: 40px;
  height: 4px;
  background: #37a4f5;
  margin: 16px auto 72px;
}
.normal-layout > .main > .soft-function > .video-layer {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0,0,0,0.7);
  display: none;
  z-index: 10;
}
.normal-layout > .main > .soft-function > .video-layer .video-wrap {
  position: absolute;
  width: 960px;
  height: 540px;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
}
.normal-layout > .main > .soft-function > .video-layer .video-wrap .video-playing {
  width: 100%;
  height: auto;
}
.normal-layout > .main > .soft-function > .video-layer .video-wrap .close-btn {
  position: absolute;
  top: -40px;
  right: 0;
  width: 32px;
  height: 32px;
  background-image: url("/homepage/asset/frontend/doubleTeacher/img/close_4bcbe04a7c.png");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center center;
  cursor: pointer;
}
.normal-layout > .main > .soft-function > .client-items {
  width: 1104px;
  margin: 0 auto;
}
.normal-layout > .main > .soft-function > .client-items .video-poster {
  width: 100%;
}
.normal-layout > .main > .soft-function > .client-items .video {
  width: 100%;
  height: 100%;
  -o-object-fit: fill;
     object-fit: fill;
  outline: none;
}
.normal-layout > .main > .soft-function > .client-items .title {
  font-size: 16px;
  color: #3d3d3e;
  line-height: 16px;
  margin-bottom: 14px;
}
.normal-layout > .main > .soft-function > .client-items .title:before {
  content: '';
  width: 14px;
  height: 14px;
  display: inline-block;
  vertical-align: top;
  margin-right: 8px;
  background: #37a4f5;
}
.normal-layout > .main > .soft-function > .client-items > .teacher-item {
  float: left;
  width: 512px;
  text-align: left;
  cursor: pointer;
}
.normal-layout > .main > .soft-function > .client-items > .teacher-item .img {
  width: 512px;
  height: 288px;
}
.normal-layout > .main > .soft-function > .client-items > .student-item {
  float: right;
  width: 512px;
  text-align: left;
  cursor: pointer;
}
.normal-layout > .main > .soft-function > .client-items > .student-item .img {
  width: 512px;
  height: 288px;
}
.normal-layout > .main > .detail {
  width: 100%;
  height: 480px;
  background: url("../common/img/double-teacher/error-bg_bd4d624135.png") center no-repeat;
  background-image: -webkit-image-set(url("../common/img/double-teacher/error-bg@2x_32fe2cd92b.png") 2x);
  text-align: center;
  padding-top: 122px;
  -webkit-box-sizing: border-box;
     -moz-box-sizing: border-box;
          box-sizing: border-box;
}
.normal-layout > .main > .detail > h3 {
  font-size: 28px;
  color: #fff;
  line-height: 28px;
  margin: 0;
}
.normal-layout > .main > .detail > .line {
  width: 40px;
  height: 4px;
  background: #fff;
  margin: 16px auto 56px;
}
.normal-layout > .main > .detail > .desc {
  font-size: 16px;
  color: #fff;
  line-height: 16px;
  margin-bottom: 94px;
}
.normal-layout > .main > .detail > .button {
  font-size: 16px;
  color: #37a4f5;
  line-height: 14px;
  padding: 17px 72px;
  background: #fff;
  border: 2px solid #fff;
  -webkit-box-shadow: 0 4px 16px 0 rgba(0,0,0,0.16);
          box-shadow: 0 4px 16px 0 rgba(0,0,0,0.16);
  border-radius: 100px;
  font-weight: bold;
}
.normal-layout > .main > .project {
  background: #f3f4f5;
  width: 100%;
  height: 592px;
  padding-top: 80px;
}
.normal-layout > .main > .project > h3 {
  font-size: 28px;
  color: #3d3d3e;
  line-height: 28px;
  margin: 0;
}
.normal-layout > .main > .project > .line {
  width: 40px;
  height: 4px;
  background: #37a4f5;
  margin: 16px auto 72px;
}
.normal-layout > .main > .project > .items {
  width: 1280px;
  height: 312px;
  background: #fff;
  border-radius: 8px;
  margin: 0 auto;
}
.normal-layout > .main > .project > .items > .item {
  width: 24%;
  height: 100%;
  display: inline-block;
  vertical-align: top;
  padding-top: 34px;
}
.normal-layout > .main > .project > .items > .item > .pic {
  width: 62px;
  height: 74px;
  margin: 0 auto;
}
.normal-layout > .main > .project > .items > .item > .title {
  font-weight: bold;
  font-size: 20px;
  color: #3d3d3e;
  letter-spacing: 0;
  line-height: 20px;
  margin: 24px auto;
}
.normal-layout > .main > .project > .items > .item > .desc {
  font-size: 16px;
  color: #6d6d6e;
  line-height: 26px;
  width: 260px;
  margin: 0 auto;
}
.normal-layout > .main > .project > .items > .item + .item {
  border-left: 2px solid #f1f2f3;
}
.normal-layout > .main > .project > .items > .item.student-item .pic {
  background: url("../common/img/double-teacher/student-part_141afa0245.png") no-repeat;
  background-image: -webkit-image-set(url("../common/img/double-teacher/student-part@2x_2d25c73d68.png") 2x);
}
.normal-layout > .main > .project > .items > .item.parent-item .pic {
  background: url("../common/img/double-teacher/parent-part_19386ac8b6.png") no-repeat;
  background-image: -webkit-image-set(url("../common/img/double-teacher/parent-part@2x_898553628a.png") 2x);
}
.normal-layout > .main > .project > .items > .item.teacher-item .pic {
  background: url("../common/img/double-teacher/teacher-part_e3e2fb59d7.png") no-repeat;
  background-image: -webkit-image-set(url("../common/img/double-teacher/teacher-part@2x_74ad84c35f.png") 2x);
}
.normal-layout > .main > .project > .items > .item.organization-item .pic {
  background: url("../common/img/double-teacher/org-part_24dd4f7dc0.png") no-repeat;
  background-image: -webkit-image-set(url("../common/img/double-teacher/org-part@2x_bfeb8c516b.png") 2x);
}
.normal-layout > .main > .domain {
  width: 100%;
  height: 753px;
  background: #1f1f1f;
  padding-top: 80px;
}
.normal-layout > .main > .domain > h3 {
  font-size: 28px;
  color: #fff;
  line-height: 28px;
  margin: 0;
}
.normal-layout > .main > .domain > .line {
  width: 40px;
  height: 4px;
  background: #fff;
  margin: 16px auto 72px;
}
.normal-layout > .main > .domain > .items {
  width: 1280px;
  margin: 0 auto;
}
.normal-layout > .main > .domain > .items > .item {
  display: inline-block;
  width: 420px;
  height: 236px;
  font-size: 16px;
  color: #fff;
  line-height: 236px;
  margin-right: -4px;
}
.normal-layout > .main > .domain > .items > .item.item1 {
  background: url("../common/img/double-teacher/k12_ed87617d3a.png") no-repeat;
  background-image: -webkit-image-set(url("../common/img/double-teacher/k12@2x_306b263841.png") 2x);
}
.normal-layout > .main > .domain > .items > .item.item2 {
  background: url("../common/img/double-teacher/kaoyan_4dc25eb93f.png") no-repeat;
  background-image: -webkit-image-set(url("../common/img/double-teacher/kaoyan@2x_1cd885da10.png") 2x);
}
.normal-layout > .main > .domain > .items > .item.item3 {
  background: url("../common/img/double-teacher/zhiye_37a42abdf5.png") no-repeat;
  background-image: -webkit-image-set(url("../common/img/double-teacher/zhiye@2x_acc513ffcf.png") 2x);
}
.normal-layout > .main > .domain > .items > .item.item4 {
  background: url("../common/img/double-teacher/suzhi_d13a6ad80f.png") no-repeat;
  background-image: -webkit-image-set(url("../common/img/double-teacher/suzhi@2x_d1637c8ab1.png") 2x);
}
.normal-layout > .main > .domain > .items > .item.item5 {
  background: url("../common/img/double-teacher/gongli_c86af99003.png") no-repeat;
  background-image: -webkit-image-set(url("../common/img/double-teacher/gongli@2x_3eac398bfd.png") 2x);
}
.normal-layout > .main > .domain > .items > .item.item6 {
  background: url("../common/img/double-teacher/guoji_e954144da3.png") no-repeat;
  background-image: -webkit-image-set(url("../common/img/double-teacher/guoji@2x_be2e2ebe1d.png") 2x);
}
.normal-layout > .main > .partner {
  width: 100%;
  height: 440px;
  background: #fff;
  padding-top: 80px;
}
.normal-layout > .main > .partner > h3 {
  font-size: 28px;
  color: #3d3d3e;
  line-height: 28px;
  margin: 0;
}
.normal-layout > .main > .partner > .line {
  width: 40px;
  height: 4px;
  background: #37a4f5;
  margin: 16px auto 72px;
}
.normal-layout > .main > .partner > .items {
  margin: 0 auto;
  width: auto;
  height: 160px;
}
.normal-layout > .main > .partner > .items > .item {
  width: 280px;
  height: 160px;
  background: #fff;
  border: 1px solid #f1f2f3;
  -webkit-box-shadow: 0 4px 16px 0 rgba(55,164,245,0.16);
          box-shadow: 0 4px 16px 0 rgba(55,164,245,0.16);
  border-radius: 1px;
  display: inline-block;
}
.normal-layout > .main > .partner > .items > .item > .pic {
  margin: 0 auto;
}
.normal-layout > .main > .partner > .items > .item + .item {
  margin-left: 30px;
}
.normal-layout > .main > .partner > .items > .item.huatu .pic {
  width: 212px;
  height: 54px;
  margin-top: 53px;
  background: url("../common/img/double-teacher/huatu_6c3b2d13a8.png") no-repeat;
  background-image: -webkit-image-set(url("../common/img/double-teacher/huatu@2x_5af6d8c757.png") 2x);
}
.normal-layout > .main > .partner > .items > .item.puxin .pic {
  width: 173px;
  height: 57px;
  margin-top: 52px;
  background: url("../common/img/double-teacher/puxin_44d5195a24.png") no-repeat;
  background-image: -webkit-image-set(url("../common/img/double-teacher/puxin@2x_f3e95c028e.png") 2x);
}
.normal-layout > .main > .partner > .items > .item.pingxing .pic {
  width: 173px;
  height: 60px;
  margin-top: 50px;
  background: url("../common/img/double-teacher/pingxing_aedbd4d146.png") no-repeat;
  background-image: -webkit-image-set(url("../common/img/double-teacher/pingxing@2x_8fd1ae0b68.png") 2x);
}
.normal-layout > .main > .partner > .items > .item.tuowei .pic {
  width: 220px;
  height: 47px;
  margin-top: 57px;
  background: url("../common/img/double-teacher/tuowei_95a69b0717.png") no-repeat;
  background-image: -webkit-image-set(url("../common/img/double-teacher/tuowei@2x_e1b02c0db8.png") 2x);
}
.normal-layout > .main > .contact-double-teacher {
  width: 100%;
  height: 284px;
  background: #37a4f5;
  padding-top: 80px;
  position: relative;
}
.normal-layout > .main > .contact-double-teacher:before {
  content: '';
  display: block;
  position: absolute;
  left: 0;
  right: 0;
  margin: 0 auto;
  top: 0;
  background: #fff;
  width: 0;
  height: 0;
  border-left: 22px solid #37a4f5;
  border-right: 22px solid #37a4f5;
  border-top: 22px solid #fff;
}
.normal-layout > .main > .contact-double-teacher > h3 {
  font-size: 28px;
  color: #fff;
  line-height: 28px;
  margin: 0;
}
.normal-layout > .main > .contact-double-teacher > .button {
  font-size: 16px;
  color: #37a4f5;
  padding: 10px 88px;
  background: #fff;
  -webkit-box-shadow: 0 4px 16px 0 rgba(0,0,0,0.16);
          box-shadow: 0 4px 16px 0 rgba(0,0,0,0.16);
  border-radius: 100px;
  margin: 48px auto;
  font-weight: bold;
}