body {
  background-color: #dcddde;
}
.yuanhua {
  padding-top: 61px;
}
.yuanhua > div {
  padding-bottom: 40px;
}
.yuanhua .btn_a53 {
  display: block;
  width: 506px;
  height: 60px;
  line-height: 60px;
  text-align: center;
  color: white;
  background: #c20813;
  margin: 40px auto 0;
  border-radius: 30px;
  font-size: 18px;
  clear: both;
}
.imgWidthPIn p {
  width: 100%;
  height: 50px;
  line-height: 50px;
  color: #d2ad21;
  font-size: 16px;
  position: absolute;
  bottom: 0;
  text-align: center;
  background: black;
}
.yuanhua h1,
h2,
h3,
h4,
h5,
p {
  text-align: center;
  color: black;
  font-weight: bold;
}
/* part1 */
.part1 {
  height: 600px;
  background: center top;
  padding-bottom: 0 !important;
}
.part1 .p1_title_bg {
  background: rgba(255, 255, 255, 0.5);
  width: 420px;
  height: 420px;
  border-radius: 250px;
  text-align: center;
  overflow: hidden;
  margin: 0 auto;
  margin-top: 165px;
}
.part1 h1,
.part1 h2 {
  color: #ffce0a;
  text-shadow: 4px 3px 0px black;
}
.part1 h1 {
  font-size: 33px;
  margin-top: 100px;
}
.part1 h2 {
  margin-top: 25px;
  font-size: 64px;
}
.part1 p {
  font-size: 20px;
  margin-top: 30px;
}

/* part2 */
.part2 {
  height: 500px;
  background: url(../img/yuanhua/p2_banner.jpg);
  padding-bottom: 0 !important;
}

.part2 h3 {
  margin-top: 80px;
  font-size: 50px;
  line-height: 60px;
}
.part2 p {
  font-size: 20px;
  margin-top: 20px;
}
.part2 p:nth-of-type(1) {
  margin-top: 60px;
}

/* part3 */
.part3 {
}

.part3 h3 {
  margin-top: 60px;
  font-size: 40px;
  line-height: 1.3;
}
.part3 .wrapper > p {
  margin-top: 30px;
  font-size: 16px;
  line-height: 30px;
  font-weight: normal;
}
.part3 ul {
  margin-top: 20px;
  width: 952px;
  margin: 0 auto;
  overflow: hidden;
}
.part3 li {
  width: 300px;
  height: 430px;
  position: relative;
  float: left;
  margin-left: 20px;
}
.part3 li:nth-child(1) {
  margin-left: 0;
  background-repeat: no-repeat;
}
.part3 li:nth-child(2) {
  background-repeat: no-repeat;
}

.part3 li:nth-child(3) {
  background-repeat: no-repeat;
}
.part3 li p {
}
/* part4 */
.part4 {
  background-color: white;
  padding-bottom: 40px;
}
.pb_title {
  height: 150px;
  width: 530px;
  margin: 0 auto;
  line-height: 150px;
  font-weight: bold;
  font-size: 40px;
}
.pb_con_a {
  width: 1200px;
  height: 400px;
  background: url("../img/yuanhua/p4_a.jpg");
}
.pb_con_a .left {
  width: 550px;
  margin-left: 25px;

  float: left;
}
.pb_con_a .right {
  width: 570px;
  margin-right: 25px;
  float: right;
}
.pb_l_title span {
  display: inline-block;
  width: 100%;
  font-weight: bold;
}

.pb_l_title span:nth-child(1) {
  font-size: 30px;
  margin-top: 70px;
}
.pb_l_title span:nth-child(2) {
  font-size: 20px;
  margin-top: 15px;
}
.pb_con_a .pb_text {
  line-height: 1.5;
  margin-top: 20px;
}
.pb_con_b {
  height: 660px;
}
.pb_con_b li {
  float: left;
  width: 240px;
  box-sizing: border-box;
  padding-right: 5px;
  margin-top: 15px;
}
.pb_con_b li img {
  width: 235px;
}

/* part5 */
.part5 {
  height: 1000px;
  padding-bottom: 0 !important;
}
.part5 .leftTip {
  float: left;
  width: 510px;
  height: 1000px;
  background: white;
  box-sizing: border-box;
  border-top: 4px #ffc105 solid;
  overflow: hidden;

  position: relative;
}
.part5 h1,
.part5 p {
  margin-left: 20px;
}
.part5 h1 {
  font-size: 46px;
  line-height: 1.5;
  text-align: left;
  margin-top: 70px;
}
.part5 p {
  margin-top: 60px;
  line-height: 2;
  text-align: left;
}
.part5 .aos-item {
  float: left;
}
.part5 .aos-item img {
  margin-top: 8px;
}
.part5 .leftTip .aos-item img {
  width: 100%;
  height: 338px;
}
.part5 .leftTip .aos-item {
  width: 510px;
  position: absolute;
  bottom: -2px;
  left: 0;
}

.part5 .rightImgs .aos-item:nth-of-type(1) img {
  margin-top: 0;
  width: 365px;
  height: 1000px;
}
.part5 .rightImgs .aos-item:nth-of-type(2) img {
  margin-top: 0;
  width: 320px;
  height: 322px;
}

.part5 .rightImgs .aos-item:nth-of-type(3) img {
  width: 320px;
  height: 322px;
}

.part5 .rightImgs .aos-item:nth-of-type(4) img {
  width: 320px;
  height: 336px;
}

/* part6 */
.part6 {
  background-color: white;
}
.part6 h2 {
  margin-top: 50px;
  font-size: 46px;
}
.part6 .wrapper > p {
  margin-top: 30px;
  line-height: 1.5;
  font-weight: normal;
}

.part6 .p6Imgs .aos-item {
  float: left;
  margin-left: 10px;
}
.part6 .p6Imgs {
  box-sizing: border-box;
  overflow: hidden;
  width: 1200px;
  margin: 0 auto;
  margin-top: 30px;
}
.part6 .p6Imgs img {
  width: 290px;
  height: 500px;
}
.part6 .p6Imgs .aos-item:nth-of-type(1) {
  margin-left: 0;
}
.part6 .imgWidthPIn p {
  font-weight: normal;
  background-color: #1b1f2b;
  color: white;
  width: 257px;
  margin-left: 33px;
}
/* part7 */
.part7 {
  padding-bottom: 0 !important;
}
.part7 h2,
.part8 h2,
.part9 h2,
.part10 h2,
.part11 h2,
.part12 h2 {
  font-size: 46px;
  margin: 45px 0;
}
.part7 .aos-item {
  width: 100%;
  height: 300px;
}
.part7 .aos-item img {
  width: 100%;
  height: 300px;
}

.part7 .aos-item .aos-item__inner {
  position: relative;
}
.part7 .aos-item .des {
  position: absolute;
  top: 0;
  left: 50%;
  margin-left: -600px;
  width: 1200px;

  text-align: left;
}
.part7 .aos-item .des h3 {
  margin: 60px 0 40px 0;
  color: white;
  font-size: 24px;
  width: 397px;
  font-weight: normal;
  text-align: left;
}
.part7 .aos-item .des p {
  color: white;
  text-align: left;
  clear: both;
  font-weight: normal;
  line-height: 2;
}
.part7 .aos-item:nth-of-type(odd) .des p,
.part7 .aos-item:nth-of-type(odd) .des h3 {
  float: right;
}
.part7 .aos-item:nth-of-type(5) h3 {
  color: black;
}
.part7 .aos-item:nth-of-type(5) p {
  color: black;
}
/* part8 */
.part8 {
  background-color: white;
}
.part8 .tips {
  width: 590px;
  position: relative;
  height: 530px;
  float: left;
  margin-left: 10px;
}
.part8 .tips:nth-of-type(odd) {
  position: relative;
  margin-left: 0;
}
.part8 .tips:nth-of-type(odd)::after {
  content: "";
  width: 100px;
  height: 100px;
  margin-top: 108px;
  position: absolute;
  top: 0;
  z-index: 121;
  right: -55px;
  background: url("../img/yuanhua/p8_arrow.png") no-repeat;
}
.part8 .rightCoin {
  width: 100px;
  height: 100px;
  position: absolute;
  left: 50%;
  margin-left: -50px;
}
.part8 .tips img {
  display: block;
  background-color: lavender;
  width: 590px;
  height: 330px;
}

.part8 h3,
.part8 h4 {
  text-align: left;
  margin-top: 20px;
}
.part8 h3 {
  font-size: 30px;
}
.part8 .tipEnd {
  width: 1200px;
  height: 330px;
  box-sizing: border-box;
  padding: 20px;
  background: url("../img/yuanhua/p8_end.png");
  color: white;
  overflow: hidden;
}
.part8 p {
  margin-top: 20px;
  width: 480px;
  text-align: left;
  line-height: 1.5;
  font-weight: normal;
}
.part8 .tipEnd h3,
.part8 .tipEnd h4,
.part8 .tipEnd p {
  color: white !important;
}
.part8 .last {
  width: 1200px;
  height: 330px;
  position: relative;
  overflow: hidden;
}
/* part9 */
.part9 {
}
.part9 h3 {
  font-size: 30px;
  font-weight: normal;
}
.part9 .teacherTip {
  margin-top: 30px;
  overflow: hidden;
}
.part9 .teacherTip .left {
  float: left;
  margin-right: 40px;
}

.part9 .teacherTip .left img {
  width: 535px;
  height: 615px;
  display: block;
}
.part9 .teacherTip .name {
  margin-top: 180px;
  font-weight: bold;
  font-size: 36px;
}
.part9 .teacherTip .des {
  margin-top: 20px;
  font-size: 36px;
  text-align: left;
}
.part9 hr {
  margin-top: 30px;
  border: 2px solid #6b7b9d;
}
.part9 p:nth-of-type(1) {
  margin-top: 44px;
}
.part9 p {
  margin-top: 16px;
  text-align: left;
  line-height: 1.9;
  font-weight: normal;
}
/* part10 */

.part10 {
  background-color: white;
}
.part10 .fxxxk {
  position: relative;
}

.part10 .imgWidthPIn p {
  background: black;
  color: white;
  font-weight: normal;
}
.part10 .four > div {
  box-sizing: border-box;
  padding: 10px;
  background-color: #eceff4;
}
.part10 .four > div:nth-child(1) {
  margin-right: 10px;
}
.part10 .four .left {
  float: left;
}
.part10 .four .left img:nth-child(2),
.part10 .four .right img:nth-child(2) {
  margin-top: 10px;
}
.part10 .four .right {
  float: right;
}
.part10 .four img {
  display: block;
  width: 575px;
  height: 375px;
}
.part10 .six {
  width: 1200px;
  overflow: hidden;
  background-color: #eceff4;
}
.part10 .six img {
  display: block;
  width: 380px;
  height: 288px;
}
.part10 .six .fxxxk {
  float: left;
  width: 380px;
  height: 288px;
  margin: 10px 10px 0 10px;
}
/* part11*/
.part11 .wrapper {
  height: 970px;
}
.part11 .studentWallTip {
  display: block;
  background: rgba(255, 255, 255, 0.8);
  position: absolute;
  text-align: center;
}
.part11 .studentWallTip p {
  position: absolute;
  width: 100%;
  line-height: 1.5;
}
.pic_wall {
  position: relative;
  margin-top: 50px;
}
.pic_wall > div {
  position: relative;
}
.pic_wall img {
  position: absolute;
}
.part12_pic01 {
  top: 0;
  left: 1px;
}
.part12_pic02 {
  top: 0;
  left: 274px;
}
.part12_pic03 {
  top: 0;
  left: 510px;
}
.part12_pic04 {
  top: 0;
  left: 768px;
}
.part12_pic05 {
  top: 0;
  right: 0;
}
.part12_pic06 {
  top: 189px;
  left: 1px;
}
.part12_pic07 {
  top: 243px;
  left: 274px;
}
.part12_pic08 {
  top: 194px;
  left: 510px;
}
.part12_pic09 {
  top: 402px;
  left: 1px;
}
.part12_pic10 {
  top: 420px;
  left: 274px;
}
.part12_pic11 {
  top: 420px;
  left: 563px;
}
.part12_pic12 {
  top: 355px;
  right: 0;
}
.part12_pic13 {
  top: 605px;
  left: 1px;
}
.part12_pic14 {
  top: 634px;
  left: 274px;
}
.part12_pic15 {
  top: 625px;
  left: 563px;
}
.part12_pic16 {
  top: 581px;
  left: 768px;
}
.part12_pic17 {
  top: 581px;
  right: 0;
}

/* part12 */
.part12 {
  background-color: white;
}
.ps_f .wrapper {
  overflow: hidden;
}
.ps_f_title {
  float: left;
  width: 100%;
  margin-top: 70px;
}
.ps_f_title h2 {
  margin-top: 24px;
}
.ps_f_title h1 {
  color: #3688f7;
}
.ps_f_tip {
  float: left;
  width: 100%;
  height: 100px;
  line-height: 100px;
  text-align: center;
  color: gray;
}
.ps_f_logos {
  float: left;
  height: 332px;
  overflow: hidden;
  margin-top: -60px;
}
.ps_f_logos li {
  width: 235px;
  display: block;
  float: left;
  height: 80px;
  margin-top: 40px;
}
.ps_f_logos li:nth-child(5n + 1) img {
  min-width: 10px;
}
.ps_f_showAll_logo {
  width: 100%;
  float: left;
  height: 120px;
  line-height: 120px;
  color: #22272b;
  text-align: center;
  cursor: pointer;
}
.ps_f_showAll_logo img.rotateDown {
  transform: rotate(-180deg);
  transition: all 1s;
}
.ps_f_showAll_logo img.rotateUp {
  transform: rotate(0deg);
  transition: all 1s;
}

/* part13 */
.part13 {
  background-repeat: no-repeat;
  background-position:center top;
}
.part13 .p13_title_bg {
  background: rgba(255, 255, 255, 0.5);
  width: 580px;
  height: 580px;
  border-radius: 290px;
  text-align: center;
  padding: 1px;
  margin: 40px 0 0 100px;
}
.part13 {
  font-size: 38px;
  line-height: 1.5;
}
.part13 p {
  margin-top: 12px;
}
.part13 p:nth-child(1) {
  margin-top: 170px;
}
.part13 .btn_a53 {
  position: absolute;
  margin: 45px 0 0 33px !important;
}

/* part_add_1 */
.part_add_1{
  padding-bottom: 0 !important;
}
.courseoutline {
  height: 690px;
  overflow: hidden;
  background-position:center;
  background-repeat: no-repeat;
  background-size: cover;
}
.reginfobox-title {
  display: block;
  height: 30px;
  line-height: 30px;
  font-size: 30px;
  text-align: center;
  color: #fff;
  font-weight: bold;
  margin-top: 90px;
}
.reginfobox {
  width: 625px;
  height: 400px;
  background: rgba(255, 255, 255, 0.9);
  filter: alpha(opacity=90);
  margin: 84px auto 0;
  border-radius: 50px 0 50px 0;
  text-align: center;
  box-sizing: border-box;
  padding-top: 58px;
}

.reginfobox p {
  font-size: 20px;
  font-weight: normal;
  color: #505055;
  margin-bottom: 10px;
}
.reginfobox input {
  width: 328px;
  height: 33px;
  border: 1px solid #a3acba;
  font-size: 16px;
  color: #505055;
  padding-left: 22px;
}
.reginfobox input.reginfoname {
  margin: 46px 0 28px;
}
.reginfobtn {
  width: 506px;
  height: 60px;
  text-align: center;
  line-height: 60px;
  color: #fff;
  display: inline-block;
  background: #c20813;
  font-size: 16px;
  border-radius: 50px;
  margin-top: 46px;
  cursor: pointer;
}
.info-error {
  top: 46%;
  left: 45%;
}
.info-right {
  width: 234px;
  top: 46%;
  left: 46%;
}

.info-mask{
  height: 68px;
  background: rgba(3, 7, 8, .5);
  border-radius: 6px;
  position: fixed;
  color: #f5f9fb;
  font-size: 20px;
  padding: 0 20px;
  padding-bottom: 0 !important;

}
.info-mask img{
  vertical-align:middle;
}