.main1 .title,
.main2 .title,
.main3 .title,
.main4 .title,
.main5 .title,
.main7 .title,
.main8 .title {
  color: #102955;
  text-align: center;
  font-size: 30px;
  font-weight: bold;
  margin-bottom: 20px;
  display: block;
}
.main1 .title,
.main2 .title,
.main3 .title,
.main4 .title,
.main5 .title,
.main7 .title,
.main8 .title{
    display: initial;
}
.main1 .gray_title,
.main2 .gray_title,
.main3 .gray_title,
.main4 .gray_title,
.main5 .gray_title,
.main7 .gray_title,
.main8 .gray_title {
  text-align: center;
  font-size: 16px;
  color: #999999;
  margin-bottom: 40px;
  display: block;
}
.white{
    color: #fff;
}

.main1 {
  padding: 70px 0px;
  background: url("../images/learn1_main1_bg.png") no-repeat;
  background-size: 910px auto;
  background-position-x: center;
  background-position-y: 30px;
}
.main1 .main1_swiper {
  margin-bottom: 30px;
}
.main1 .main1_swiper .main1_swiper_box {
  width: 1200px;
  margin: 0 auto;
  position: relative;
  padding: 18px 0px;
  -webkit-box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.4);
          box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.4);
  border-radius: 10px;
}
.main1 .main1_swiper .main1_swiper_box .swiper1 {
  overflow: hidden;
}
.main1 .main1_swiper .main1_swiper_box .swiper1 .swiper-wrapper .active{
  position: relative;
}
.main1 .main1_swiper .main1_swiper_box .swiper1 .swiper-wrapper .active::after{
  content: "";
  background: #153889;
  left: 28px;
  bottom: -1px;
  width: 45px;
  height: 2px;
  position: absolute;
}
.main1 .main1_swiper .main1_swiper_box .swiper1 .swiper-wrapper .active a div{
  color: #153889;
}
.main1 .main1_swiper .main1_swiper_box .swiper1 .swiper-wrapper .swiper-slide a img {
  display: block;
  width: 40px;
  margin: 0 auto;
}
.main1 .main1_swiper .main1_swiper_box .swiper1 .swiper-wrapper .swiper-slide a div {
  text-align: center;
  font-size: 14px;
}
.main1 .main1_swiper .main1_swiper_box .swiper-button-next:after,
.main1 .main1_swiper .main1_swiper_box .swiper-button-prev:after {
  content: none;
}
.main1 .main1_swiper .main1_swiper_box .swiper-button-next img,
.main1 .main1_swiper .main1_swiper_box .swiper-button-prev img {
  display: block;
  width: 17px;
}
.main1 .main1_swiper .main1_swiper_box .swiper-button-next {
  right: -30px;
}
.main1 .main1_swiper .main1_swiper_box .swiper-button-prev {
  left: -30px;
}
.main1 .main1_content {
    width: 1200px;
    margin: 0 auto;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -webkit-box-align: start;
    -ms-flex-align: start;
    align-items: flex-start;
    display: none;
}
.main1 .main1_content:nth-child(4){
    display: flex;
}

.main1 .main1_content .main1_content_left {
  width: 880px;
}
.main1 .main1_content .main1_content_left .main1_content_left_top {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
  margin-bottom: 15px;
}
.main1 .main1_content .main1_content_left .main1_content_left_top .learn1_main1_big {
  display: block;
  width: 375px;
}
.main1 .main1_content .main1_content_left .main1_content_left_top .main1_content_left_top_loaction {
  -webkit-box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.4);
          box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.4);
  border-radius: 10px;
  padding: 8px 10px 25px;
}
.main1 .main1_content .main1_content_left .main1_content_left_top .main1_content_left_top_loaction .main1_content_left_top_loaction_title {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-pack: start;
      -ms-flex-pack: start;
          justify-content: flex-start;
  margin-bottom: 5px;
}
.main1 .main1_content .main1_content_left .main1_content_left_top .main1_content_left_top_loaction .main1_content_left_top_loaction_title img {
  display: block;
  width: 27px;
  margin-right: 15px;
}
.main1 .main1_content .main1_content_left .main1_content_left_top .main1_content_left_top_loaction .main1_content_left_top_loaction_title div {
  font-size: 14px;
  font-weight: bold;
}
.main1 .main1_content .main1_content_left .main1_content_left_top .main1_content_left_top_loaction table {
  width: 470px;
  border-spacing: 0;
}
.main1 .main1_content .main1_content_left .main1_content_left_top .main1_content_left_top_loaction table thead {
  background: #92bdf8;
  color: #fff;
  font-size: 14px;
  text-align: center;
}
.main1 .main1_content .main1_content_left .main1_content_left_top .main1_content_left_top_loaction table tbody {
  font-size: 14px;
  text-align: center;
}
.main1 .main1_content .main1_content_left .main1_content_left_top .main1_content_left_top_loaction table tbody img {
  display: inline-block;
  width: 14px;
}
.main1 .main1_content .main1_content_left .main1_content_left_top .main1_content_left_top_loaction table tbody tr td {
  padding: 10px 0px;
}
.main1 .main1_content .main1_content_left .main1_content_left_top .main1_content_left_top_loaction table tbody tr td:nth-child(3n) {
  color: #fb8507;
}
.main1 .main1_content .main1_content_left .main1_content_left_bottom {
  -webkit-box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.4);
          box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.4);
  border-radius: 10px;
  padding: 10px 0px 20px;
}
.main1 .main1_content .main1_content_left .main1_content_left_bottom .main1_content_left_bottom_title {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-pack: start;
      -ms-flex-pack: start;
          justify-content: flex-start;
  padding-left: 10px;
  margin-bottom: 20px;
}
.main1 .main1_content .main1_content_left .main1_content_left_bottom .main1_content_left_bottom_title img {
  display: block;
  width: 26px;
  margin-right: 15px;
}
.main1 .main1_content .main1_content_left .main1_content_left_bottom .main1_content_left_bottom_title div {
  font-size: 18px;
}
.main1 .main1_content .main1_content_left .main1_content_left_bottom .main1_content_left_bottom_content .main1_content_left_bottom_content_tables .main1_content_left_bottom_content_tables_title {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  margin-bottom: 15px;
}
.main1 .main1_content .main1_content_left .main1_content_left_bottom .main1_content_left_bottom_content .main1_content_left_bottom_content_tables .main1_content_left_bottom_content_tables_title span {
  text-align: center;
  font-size: 16px;
  color: #92bdf8;
  width: 20%;
}
.main1 .main1_content .main1_content_left .main1_content_left_bottom .main1_content_left_bottom_content .main1_content_left_bottom_content_tables .main1_content_left_bottom_content_tables_list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
}
.main1 .main1_content .main1_content_left .main1_content_left_bottom .main1_content_left_bottom_content .main1_content_left_bottom_content_tables .main1_content_left_bottom_content_tables_list .main1_content_left_bottom_content_tables_list_item {
  width: 20%;
}
.main1 .main1_content .main1_content_left .main1_content_left_bottom .main1_content_left_bottom_content .main1_content_left_bottom_content_tables .main1_content_left_bottom_content_tables_list .main1_content_left_bottom_content_tables_list_item span {
  width: 85%;
  margin: 0 auto 5px;
  font-size: 14px;
}
.main1_content_left_bottom_content_tables_list_item span{
    display: block;
}
.main1 .main1_content .main1_content_right {
  width: 280px;
}
.main1 .main1_content .main1_content_right .main1_content_right_top {
  -webkit-box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.4);
          box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.4);
  border-radius: 10px;
  margin-bottom: 15px;
  padding: 5px 15px;
}
.main1 .main1_content .main1_content_right .main1_content_right_top .main1_content_right_icon_list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  padding: 10px 0 15px;
  margin-bottom: 10px;
  border-bottom: 1px solid #d2d2d2;
}

.main1 .main1_content .main1_content_right .main1_content_right_top .main1_content_right_icon_list a img {
  display: block;
  width: 32px;
  margin: 0 auto 5px;
}
.main1 .main1_content .main1_content_right .main1_content_right_top .main1_content_right_icon_list div div {
  text-align: center;
  font-size: 14px;
}
.main1 .main1_content .main1_content_right .main1_content_right_top .main1_content_right_choose {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
.main1 .main1_content .main1_content_right .main1_content_right_top .main1_content_right_choose a {
  border: 1px solid #92bdf8;
  width: 38%;
  font-size: 14px;
  margin-bottom: 5px;
  padding: 15px 0px;
  padding-left: 25px;
  border-radius: 10px;
  position: relative;
}
.main1 .main1_content .main1_content_right .main1_content_right_top .main1_content_right_choose a::after {
  content: "";
  position: absolute;
  left: 6%;
  top: 0;
  bottom: 0;
  margin-top: auto;
  margin-bottom: auto;
  width: 8px;
  height: 25px;
  background: #92bdf8;
}
.main1 .main1_content .main1_content_right .main1_content_right_news {
  -webkit-box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.4);
          box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.4);
  border-radius: 10px;
  padding: 15px 10px;
}
.main1 .main1_content .main1_content_right .main1_content_right_news .main1_content_right_news_title {
  text-align: center;
  background: #92bdf8;
  color: #fff;
  font-weight: bold;
  font-size: 16px;
  padding: 14px 0px;
  border-radius: 10px;
  margin-bottom: 20px;
  display: block;
}
.main1 .main1_content .main1_content_right .main1_content_right_news .main1_content_right_news_list a {
  padding-left: 36px;
  font-size: 14px;
  margin-bottom: 20px;
  position: relative;
}
.main1 .main1_content .main1_content_right .main1_content_right_news .main1_content_right_news_list a::after {
  content: "";
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  margin-top: auto;
  margin-bottom: auto;
  width: 10px;
  height: 10px;
  border-radius: 30px;
  background: #92bdf8;
}

.main2 {
  padding: 70px 0;
  background: #eff2f6;
}
.main2 .main2_box {
  background: url("../images/learn1_main2_bg.png") no-repeat;
  background-size: 100% auto;
  background-position-y: center;
}
.main2 .main2_box .mian2_swiper {
  width: 1200px;
  margin: 0 auto;
  background: #fff;
  padding: 5px;
  border-radius: 10px;
}
.main2 .main2_box .mian2_swiper .mian2_swiper_box {
  background: -webkit-gradient(linear, left top, left bottom, from(#f0f3f7), to(#ffffff));
  background: linear-gradient(to bottom, #f0f3f7, #ffffff);
  position: relative;
  border-radius: 10px;
}
.main2 .main2_box .mian2_swiper .mian2_swiper_box .swiper {
  overflow-x: hidden;
}
.main2 .main2_box .mian2_swiper .mian2_swiper_box .swiper .swiper-wrapper .swiper-slide {
  padding: 25px 0 30px;
}
.main2 .main2_box .mian2_swiper .mian2_swiper_box .swiper .swiper-wrapper .swiper-slide .swiper_slide_title {
  font-weight: bold;
  font-size: 24px;
  text-align: center;
  margin-bottom: 25px;
  display: block;
}
.main2 .main2_box .mian2_swiper .mian2_swiper_box .swiper .swiper-wrapper .swiper-slide .swiper_slide_blue {
  width: 1100px;
  margin: 0 auto;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
.main2 .main2_box .mian2_swiper .mian2_swiper_box .swiper .swiper-wrapper .swiper-slide .swiper_slide_blue .swiper_slide_blue_content .swiper_slide_blue_content_title {
  position: relative;
  width: 320px;
  background: #92bdf8;
  border-top-right-radius: 60px;
  border-bottom-right-radius: 60px;
  color: #fff;
  font-weight: bold;
  font-size: 22px;
  padding: 10px 0 10px 28px;
  margin-bottom: 18px;
  display: block;
}
.main2 .main2_box .mian2_swiper .mian2_swiper_box .swiper .swiper-wrapper .swiper-slide .swiper_slide_blue .swiper_slide_blue_content .swiper_slide_blue_content_title::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  margin-top: auto;
  margin-bottom: auto;
  left: 10px;
  background: #fff;
  width: 8px;
  height: 25px;
}
.main2 .main2_box .mian2_swiper .mian2_swiper_box .swiper .swiper-wrapper .swiper-slide .swiper_slide_blue .swiper_slide_blue_content .swiper_slide_blue_content_fonts {
  font-size: 14px;
  text-indent: 28px;
  margin-bottom: 28px;
  width: 576px;
  display: block;
}
.main2 .main2_box .mian2_swiper .mian2_swiper_box .swiper .swiper-wrapper .swiper-slide .swiper_slide_blue img {
  display: block;
  width: 466px;
}
.main2 .main2_box .mian2_swiper .mian2_swiper_box .swiper .swiper-wrapper .swiper-slide .swiper_slide_orange {
  width: 1100px;
  margin: 0 auto;
}
.main2 .main2_box .mian2_swiper .mian2_swiper_box .swiper .swiper-wrapper .swiper-slide .swiper_slide_orange .swiper_slide_orange_title {
  border-bottom: 1px solid #d2d2d2;
  font-weight: bold;
  font-size: 22px;
  padding: 0 0 20px 30px;
  color: #fb8507;
  position: relative;
  margin-bottom: 20px;
  display: block;
}
.main2 .main2_box .mian2_swiper .mian2_swiper_box .swiper .swiper-wrapper .swiper-slide .swiper_slide_orange .swiper_slide_orange_title::after {
  position: absolute;
  content: "";
  position: absolute;
  left: 10px;
  top: 8px;
  width: 8px;
  height: 20px;
  background: #fb8507;
}
.main2 .main2_box .mian2_swiper .mian2_swiper_box .swiper .swiper-wrapper .swiper-slide .swiper_slide_orange .swiper_slide_orange_content {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
.main2 .main2_box .mian2_swiper .mian2_swiper_box .swiper .swiper-wrapper .swiper-slide .swiper_slide_orange .swiper_slide_orange_content .swiper_slide_orange_content_item {
  background: #f3f6fb;
  width: 23%;
  padding: 20px 0px;
  border-radius: 20px;
}
.main2 .main2_box .mian2_swiper .mian2_swiper_box .swiper .swiper-wrapper .swiper-slide .swiper_slide_orange .swiper_slide_orange_content .swiper_slide_orange_content_item .swiper_slide_orange_content_item_title {
  font-size: 18px;
  font-weight: bold;
  text-align: center;
  position: relative;
  margin-bottom: 16px;
}
.main2 .main2_box .mian2_swiper .mian2_swiper_box .swiper .swiper-wrapper .swiper-slide .swiper_slide_orange .swiper_slide_orange_content .swiper_slide_orange_content_item .swiper_slide_orange_content_item_title::after {
  background: #fb8507;
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  margin-left: auto;
  margin-right: auto;
  bottom: -10px;
  height: 5px;
  width: 30px;
}
.main2 .main2_box .mian2_swiper .mian2_swiper_box .swiper .swiper-wrapper .swiper-slide .swiper_slide_orange .swiper_slide_orange_content .swiper_slide_orange_content_item .swiper_slide_orange_content_item_content {
  font-size: 16px;
  text-align: center;
  color: 666666;
}
.main2 .main2_box .mian2_swiper .mian2_swiper_box .swiper-button-next:after,
.main2 .main2_box .mian2_swiper .mian2_swiper_box .swiper-button-prev:after {
  content: none;
}
.main2 .main2_box .mian2_swiper .mian2_swiper_box .swiper-button-next img,
.main2 .main2_box .mian2_swiper .mian2_swiper_box .swiper-button-prev img {
  display: block;
  width: 41px;
}
.main2 .main2_box .mian2_swiper .mian2_swiper_box .swiper-button-prev {
  left: -50px;
}
.main2 .main2_box .mian2_swiper .mian2_swiper_box .swiper-button-next {
  right: -50px;
}

.main3 {
  padding: 70px 0;
  background: url("../images/learn1_main3_bg.png") no-repeat;
  background-size: 1240px auto;
  background-position-y: 165px;
  background-position-x: 65px;
}
.main3 .main3_content {
  width: 1200px;
  margin: 0 auto;
}
.main3 .main3_content .main3_content_title {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  margin-bottom: 30px;
}
.main3 .main3_content .main3_content_title .main3_content_title_fonts {
  margin-left: 28px;
  font-size: 20px;
  font-weight: bold;
  color: #92bdf8;
  position: relative;
}
.main3 .main3_content .main3_content_title .main3_content_title_fonts::after {
  content: "";
  position: absolute;
  left: -20px;
  top: 6px;
  background: #92bdf8;
  width: 8px;
  height: 20px;
}
.main3 .main3_content .main3_content_title .main3_content_title_more {
  color: #92bdf8;
  font-size: 22px;
}
.main3 .main3_content .main3_content_container {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
  -ms-flex-pack: distribute;
      justify-content: space-around;
}
.main3 .main3_content .main3_content_container .main3_content_container_fonts_list .active .main3_content_container_fonts_list_item_title a {
    color: #92bdf8;
}
.main3 .main3_content .main3_content_container .main3_content_container_fonts_list .main3_content_container_fonts_list_item .main3_content_container_fonts_list_item_title a{
    color: #fff;
}
.main3 .main3_content .main3_content_container .main3_content_container_fonts_list .active .main3_content_container_fonts_list_item_title a{
  color: #92bdf8;
}
.main3 .main3_content .main3_content_container .main3_content_container_imgs_list {
  width: 580px;
}
.main3 .main3_content .main3_content_container .main3_content_container_imgs_list img {
  display: none;
  width: 100%;
}
.main3 .main3_content .main3_content_container .main3_content_container_imgs_list .active {
  display: block;
}
.main3 .main3_content .main3_content_container .main3_content_container_fonts_list {
  width: 570px;
}
.main3 .main3_content .main3_content_container .main3_content_container_fonts_list .main3_content_container_fonts_list_item {
  cursor: pointer;
  margin-bottom: 6px;
  border-radius: 10px;
  background: #92bdf8;
  -webkit-box-shadow: 0 0 2px rgba(0, 0, 0, 0.5);
          box-shadow: 0 0 2px rgba(0, 0, 0, 0.5);
  padding: 10px 0 10px 44px;
}
.main3 .main3_content .main3_content_container .main3_content_container_fonts_list .main3_content_container_fonts_list_item .main3_content_container_fonts_list_item_title {
  color: #fff;
  font-size: 16px;
  font-weight: bold;
  position: relative;
}
.main3 .main3_content .main3_content_container .main3_content_container_fonts_list .main3_content_container_fonts_list_item .main3_content_container_fonts_list_item_title::after {
  content: "";
  position: absolute;
  left: -23px;
  top: 5px;
  width: 15px;
  height: 15px;
  border-radius: 30px;
  background: #fff;
}
.main3 .main3_content .main3_content_container .main3_content_container_fonts_list .main3_content_container_fonts_list_item .main3_content_container_fonts_list_item_black {
  display: none;
}
.main3_content_container_fonts_list_item_black{
      cursor: initial;
}
.main3 .main3_content .main3_content_container .main3_content_container_fonts_list .active {
  background: #fff;
}
.main3 .main3_content .main3_content_container .main3_content_container_fonts_list .active .main3_content_container_fonts_list_item_title {
  color: #92bdf8;
  margin-bottom: 14px;
}

.main3 .main3_content .main3_content_container .main3_content_container_fonts_list .active .main3_content_container_fonts_list_item_title::after {
  background: #92bdf8;
}
.main3 .main3_content .main3_content_container .main3_content_container_fonts_list .active .main3_content_container_fonts_list_item_black {
  display: block;
  font-size: 14px;
}

.main4 {
  background: #f3f5f7;
  padding-top: 70px;
}
.main4 .main4_content {
  width: 1200px;
  margin: 0 auto;
}
.main4 .main4_content .main4_content_title {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  margin-bottom: 20px;
}
.main4 .main4_content .main4_content_title .main4_content_title_fonts {
  margin-left: 28px;
  font-size: 20px;
  font-weight: bold;
  color: #92bdf8;
  position: relative;
}
.main4 .main4_content .main4_content_title .main4_content_title_fonts::after {
  content: "";
  position: absolute;
  left: -20px;
  top: 6px;
  background: #92bdf8;
  width: 8px;
  height: 20px;
}
.main4 .main4_content .main4_content_title .main4_content_title_list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
.main4 .main4_content .main4_content_title .main4_content_title_list a {
  width: 160px;
  text-align: center;
  font-size: 18px;
  color: #666;
  padding: 10px 0px;
}
.main4 .main4_content .main4_content_title .main4_content_title_list .active {
  background: #ffffff;
  color: #153889;
  border-radius: 10px;
}
.main4 .main4_content .main4_content_container .main4_content_container_list {
  display: none;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-pack: start;
      -ms-flex-pack: start;
          justify-content: flex-start;
  display: none;
}
.main4 .main4_content .main4_content_container .main4_content_container_list .main4_content_container_list_item {
  width: 275px;
  margin-right: 20px;
  margin-bottom: 20px;
  background: #fff;
  border-radius: 10px;
  padding-bottom: 20px;
}
.main4 .main4_content .main4_content_container .main4_content_container_list .main4_content_container_list_item img {
  display: block;
  width: 100%;
  margin-bottom: 14px;
}
.main4 .main4_content .main4_content_container .main4_content_container_list .main4_content_container_list_item .main4_content_container_list_item_blue {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  margin-bottom: 15px;
  -webkit-box-pack: start;
      -ms-flex-pack: start;
          justify-content: flex-start;
}
.main4 .main4_content .main4_content_container .main4_content_container_list .main4_content_container_list_item .main4_content_container_list_item_blue .main4_content_container_list_item_blue_fonts {
  margin-left: 12px;
  background: #153889;
  color: #fff;
  font-size: 10px;
  padding: 5px;
  border-radius: 4px;
}
.main4 .main4_content .main4_content_container .main4_content_container_list .main4_content_container_list_item .main4_content_container_list_item_blue .main4_content_container_list_item_blue_black {
  margin-left: 12px;
  font-size: 16px;
}
.main4 .main4_content .main4_content_container .main4_content_container_list .main4_content_container_list_item .main4_content_container_list_item_orange {
  margin-left: 14px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-pack: start;
      -ms-flex-pack: start;
          justify-content: flex-start;
}
.main4 .main4_content .main4_content_container .main4_content_container_list .main4_content_container_list_item .main4_content_container_list_item_orange span {
  color: #fb8507;
  font-size: 11px;
  background-color: #ffeedc;
  padding: 4px 7px;
  border-radius: 6px;
  margin-right: 10px;
}
.main4 .main4_content .main4_content_container .main4_content_container_list .main4_content_container_list_item:nth-child(4n) {
  margin-right: 0px;
}
.main4 .main4_content .main4_content_container .active {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}

.main5 {
  padding-top: 70px;
  background: #153889;
}
.main5 .main5_box {
  background: url("../images/learn1_main5_bg.png") no-repeat;
  background-size: 100% auto;
  background-position-y: -130px;
}
.main5 .main5_box .title {
  color: #fff;
}
.main5 .main5_box .gray_title {
  color: #fff;
}
.main5 .main5_box .main5_swiper_box {
  width: 100%;
  overflow-x: hidden;
}

.main6 {
  background: #f1f4f8;
  padding: 80px 0 10px;
}
.main6 .main6_list {
  width: 1200px;
  margin: 0 auto 80px;
}
.main6 .main6_list .main6_list_gray_title {
  color: #dbe1ea;
  text-align: center;
  font-size: 104px;
  opacity: 0.5;
}
.main6 .main6_list .main6_list_title {
  font-size: 34px;
  text-align: center;
  margin: -58px 0 70px;
  position: relative;
  z-index: 9;
  font-weight: bold;
  display: initial;
}
.main6 .main6_list .main6_list_content {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-pack: start;
      -ms-flex-pack: start;
          justify-content: flex-start;
}
.main6 .main6_list .main6_list_content .main6_list_content_item {
  position: relative;
  width: 32%;
  margin-right: 2%;
}
.main6 .main6_list .main6_list_content .main6_list_content_item  img {
  display: block;
  width: 100%;
}
.main6 .main6_list .main6_list_content .main6_list_content_item .main6_list_content_item_fonts {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #424242;
  padding: 10px 0px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
}
.main6 .main6_list .main6_list_content .main6_list_content_item .main6_list_content_item_fonts .main6_list_content_item_fonts_left {
  margin-left: 20px;
}
.main6 .main6_list .main6_list_content .main6_list_content_item .main6_list_content_item_fonts .main6_list_content_item_fonts_left .main6_list_content_item_fonts_left_yellow {
  display: block;
  color: #f7b954;
  font-size: 32px;
  line-height: 32px;
  margin-bottom: 10px;
}
.main6 .main6_list .main6_list_content .main6_list_content_item .main6_list_content_item_fonts .main6_list_content_item_fonts_left .main6_list_content_item_fonts_left_white {
  color: #fff;
  font-size: 16px;
  display: block;
}
.main6 .main6_list .main6_list_content .main6_list_content_item .main6_list_content_item_fonts .main6_list_content_item_fonts_right {
  width: 254px;
  margin-right: 20px;
}
.main6 .main6_list .main6_list_content .main6_list_content_item .main6_list_content_item_fonts .main6_list_content_item_fonts_right .main6_list_content_item_fonts_right_position {
  color: #fff;
  font-size: 18px;
  display: block;
  margin-bottom: 10px;
}
.main6 .main6_list .main6_list_content .main6_list_content_item .main6_list_content_item_fonts .main6_list_content_item_fonts_right .main6_list_content_item_fonts_right_introduce {
  color: #fff;
  font-size: 14px;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: normal;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.main6 .main6_list .main6_list_content .main6_list_content_item:nth-child(3n) {
  margin-right: 0;
}

.main7 {
  padding: 70px 0;
  background: url("../images/learn1_main7_bg.png") no-repeat;
  background-size: 100% 100%;
}
.main7 .title {
  color: #fff;
}
.main7 .gray_title {
  color: #fff;
}
.main7 .main7_content {
  width: 1200px;
  margin: 0 auto;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
.main7 .main7_content img {
  display: block;
  width: 465px;
}
.main7 .main7_content .main7_content_fonts {
  width: 680px;
  margin-right: 20px;
}
.main7 .main7_content .main7_content_fonts span {
  font-size: 18px;
  color: #fff;
  margin-bottom: 18px;
  text-indent: 36px;
 display: block;
}

.main8 {
    width: 1200px;
    margin: 0 auto;
    padding: 130px 0 50px;
  
    background-size: 1035px auto;
    background-position: center 80px;
  }
  .main8 .main8_title {
    text-align: center;
    font-size: 30px;
    font-weight: bold;
    color: #333;
    letter-spacing: 7px;
    margin-bottom: 40px;
  }
  .main8 .main8_content {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: start;
        -ms-flex-pack: start;
            justify-content: flex-start;
  }
  .main8 .main8_content .main8_content_item {
    width: 17.5%;
    margin-right: 3%;
  
    border-radius: 10px;
    padding: 10px 0 15px;
    margin-bottom: 40px;
  }
  .main8 .main8_content .main8_content_item img {
    display: block;
    width: 95%;
    margin: 0 auto 10px;
  }
  .main8 .main8_content .main8_content_item .main8_content_item_small {
    
    color: #333;
    font-size: 16px;
    width: 95%;
    margin: 0 auto;
    display: block;
    text-align: center;
  }
  .main8 .main8_content .main8_content_item .main8_content_item_big {
    font-size: 18px;
    color: #333;
    text-align: center;
    width: 95%;
    margin: 0 auto;
     display: block;
  }
  .main8 .main8_content .main8_content_item:nth-child(5n) {
    margin-right: 0px;
  }