.dtb .w1200 {
  width: 1200px;
  margin: 0 auto;
}
.dtb .text-top3 {
  text-align: center;
  height: 82px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.dtb .text-top3 .text1 {
  text-transform: uppercase;
  font-size: 30px;
  color: #eaeaea;
  font-weight: 900;
  position: relative;
  z-index: 1;
  letter-spacing: 2px;
}
.dtb .text-top3 .text2 {
  font-size: 48px;
  color: #3f3f3f;
  font-weight: 900;
  position: relative;
  z-index: 3;
  left: 0%;
  bottom: 33px;
  letter-spacing: 2px;
}
.dtb .text-top3 .hrb {
  width: 54px;
  height: 3px;
  background: #bd1a1b;
  position: absolute;
  bottom: 0px;
  left: 0;
  right: 0;
  margin: auto;
}
.dtb .text-top4 {
  text-align: center;
  height: 82px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.dtb .text-top4 .text1 {
  text-transform: uppercase;
  font-size: 30px;
  color: #626262;
  font-weight: 900;
  position: relative;
  z-index: 1;
}
.dtb .text-top4 .text2 {
  font-size: 48px;
  color: white;
  font-weight: 900;
  position: relative;
  z-index: 3;
  left: 0%;
  bottom: 30px;
}
.dtb .text-top4 .hrb {
  width: 54px;
  height: 3px;
  background: #bd1a1b;
  position: absolute;
  bottom: 0px;
  left: 0;
  right: 0;
  margin: auto;
}
.dtb .text-pp3 {
  text-align: center;
  font-size: 18px;
  margin-top: 21px;
  margin-bottom: 42px;
  color: #3f3f3f;
}
.dtb .mo1 {
  width: 1200px;
  margin: 0 auto;
  margin-top: 38px;
}
.dtb .mo1 .banji-text {
  width: 1200px;
  margin: 0 auto;
}
.dtb .mo1 .banji-text .ultop {
  position: relative;
  /*left: 85px;*/
}
.dtb .mo1 .banji-text .ultop li {
  width: 290px;
  height: 66px;
  background: #c9c9c9;
  margin-right: 13px;
  float: left;
  border-radius: 5px;
  font-size: 25px;
  color: #ffff;
  text-align: center;
  line-height: 66px;
  margin-bottom: 20px;
  cursor: pointer;
}
.dtb .mo1 .banji-text .ultop::after {
  content: "";
  display: block;
  clear: both;
}
.dtb .mo1 .banji-text .ultop li.active {
  background: #bd0009;
}
.dtb .mo1 .banji-text .ulbottom li {
  width: 1200px;
  margin: 0 auto;
}
.dtb .mo1 table {
  border-collapse: collapse;
  border-spacing: 0;
}
.dtb .mo1 table {
  text-align: center;
  border: 1px solid #828282;
}
.dtb .mo1 table th {
  font-size: 18px;
  color: #fff;
  background: #5b5963;
  padding: 23px 0;
}
.dtb .mo1 table td {
  font-size: 16px;
  padding: 13px 0;
  letter-spacing: 1px;
  line-height: 25px;
  color: #232323;
}
.dtb .mo1 .linlei .lei_top {
  width: 550px;
  margin: 30px auto;
}
.dtb .mo1 .linlei .lei_top li {
  display: inline-block;
  width: 154px;
  height: 45px;
  line-height: 45px;
  text-align: center;
  font-size: 20px;
  background: #5b5963;
  margin-right: 39px;
  color: #fff;
  border-radius: 8px;
  position: relative;
}
.dtb .mo1 .linlei .lei_top li.active {
  background: #fd4040;
}
.dtb .mo1 .linlei .lei_top li > img {
  display: none;
  position: absolute;
  left: 67px;
}
.dtb .mo1 .linlei .lei_top .active > img {
  display: block;
}
.dtb .mo1 .hjb {
  width: 1200px;
  margin: 0 auto;
  color: #353535;
}
.dtb .mo2 {
  width: 100%;
  height: 1157px;
  background: url(../imgs/bj1.jpg);
  background-size: 100% 100%;
  background-position: center;
  padding-top: 48px;
}
.dtb .mo2 .erjibt {
  font-size: 24px;
  color: white;
  text-align: center;
}
.dtb .mo2 .q1 {
  width: 438px;
  margin: 0 auto;
  margin-top: 28px;
}
.dtb .mo2 .q1 li {
  width: 204px;
  height: 53px;
  line-height: 53px;
  text-align: center;
  background: white;
  color: #313131;
  display: inline-block;
  font-size: 24px;
  border-radius: 5px;
  cursor: pointer;
}
.dtb .mo2 .q1 .active {
  background: #bd0009;
  color: white;
}
.dtb .mo2 .q2 {
  margin-top: 33px;
  margin-bottom: 35px;
}
.dtb .mo2 .q2 .li1 {
  width: 100%;
  height: 245px;
  background: url(../imgs/bj2.png);
  background-size: 100% 100%;
  position: relative;
}
.dtb .mo2 .q2 .li1 div {
  width: 300px;
  text-align: center;
  font-weight: bold;
}
.dtb .mo2 .q2 .li1 div .p1 {
  color: white;
  font-size: 33px;
}
.dtb .mo2 .q2 .li1 div .p1 span {
  color: #fa4b41;
}
.dtb .mo2 .q2 .li1 div .p2 {
  font-size: 26px;
  color: #fa4b41;
  margin-top: 10px;
}
.dtb .mo2 .q2 .li1 .div1 {
  position: absolute;
  left: 5px;
  top: 121px;
}
.dtb .mo2 .q2 .li1 .div2 {
  position: absolute;
  left: 299px;
  top: 121px;
}
.dtb .mo2 .q2 .li1 .div3 {
  position: absolute;
  left: 599px;
  top: 121px;
}
.dtb .mo2 .q2 .li1 .div4 {
  position: absolute;
  left: 896px;
  top: 121px;
}
.dtb .mo2 .q2 .li2 {
  width: 100%;
  height: 245px;
  background: url(../imgs/bj3.png);
  background-size: 100% 100%;
  position: relative;
}
.dtb .mo2 .q2 .li2 div {
  width: 550px;
  text-align: justify;
}
.dtb .mo2 .q2 .li2 div .p1 {
  font-weight: bold;
  font-size: 42px;
  color: #e84443;
  margin-bottom: 20px;
}
.dtb .mo2 .q2 .li2 div .p2 {
  color: white;
  font-size: 18px;
  letter-spacing: 1px;
  line-height: 27px;
}
.dtb .mo2 .q2 .li2 .div1 {
  position: absolute;
  top: 27px;
  left: 24px;
}
.dtb .mo2 .q2 .li2 .div2 {
  position: absolute;
  top: 27px;
  left: 625px;
}
.dtb .sexfive {
  width: 100%;
  padding: 40px 0;
  background: url(../imgs/bj4.jpg);
  background-size: 100% 100%;
}
.dtb .hj100 {
  width: 1200px;
  margin: 0 auto;
  margin-top: 48px;
  margin-bottom: 42px;
}
.dtb .hj100 img {
  display: block;
  margin: 0 auto;
  margin-top: 38px;
}
.dtb .jianjie .classroom1 {
  width: 1200px;
  margin: 0 auto;
  margin-top: 58px;
}
.dtb .jianjie .classroom1 .list-top {
  width: 808px;
  margin: 0 auto;
  margin-top: 20px;
}
.dtb .jianjie .classroom1 .list-top li {
  width: 144px;
  height: 39px;
  text-align: center;
  color: white;
  line-height: 39px;
  font-size: 18px;
  background: #373737;
  float: left;
  margin-right: 16px;
  border-radius: 50px;
  cursor: pointer;
}
.dtb .jianjie .classroom1 .list-top .active {
  background: #e12e23;
}
.dtb .jianjie .classroom1 .boxx7 {
  width: 100%;
  height: 627px;
  margin: 0 auto;
}
.dtb .jianjie .classroom1 .boxx7 .leftbox {
  width: 820px;
  height: 592px;
  overflow: hidden;
  float: left;
  position: relative;
  background: white;
  margin-top: 35px;
  padding: 7px;
  box-shadow: 0 0 8px #e0e0e0;
}
.dtb .jianjie .classroom1 .boxx7 .rightbox {
  width: 342px;
  height: 592px;
  float: left;
  box-sizing: border-box;
  padding-left: 9px;
  margin-top: 35px;
}
.dtb .jianjie .classroom1 .leftbox ul li {
  position: relative;
  height: 683px;
}
.dtb .jianjie .classroom1 .leftbox ul li p {
  width: 100%;
  height: 50px;
  line-height: 50px;
  position: absolute;
  bottom: 0px;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  text-align: center;
  font-size: 16px;
}
.dtb .jianjie .classroom1 .leftbox ul li img {
  width: 952px;
  height: 671px;
}
.dtb .jianjie .classroom1 .rightbox ul li {
  float: left;
  width: 153px;
  height: 97px;
  box-shadow: 0 0 8px #e0e0e0;
  margin-bottom: 15px;
  padding: 6px;
}
.dtb .jianjie .classroom1 .rightbox ul li img {
  width: 100%;
  height: 100%;
}
.dtb .jianjie .classroom1 .font11 {
  width: 1156px;
  margin: 5px;
  color: #333;
  text-indent: 2em;
  font-size: 18px;
  line-height: 38px;
  letter-spacing: 2px;
}
.dtb .mo5 {
  margin-top: 40px;
}