.page {
  margin-top: 66px;
}

.full_img {
  width: 100%;
  display: flex;
}

.container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.blue_bg {
  background: #EDF4FF;
}

.first_bg {
  width: 100vw;
  background-image: url("https://xuanchuan-shipin.oss-cn-hangzhou.aliyuncs.com/website/polarisClub/polarisAcademy_first_bg.png");
  background-size: 100% 100%;
  padding-bottom: 120px;
}

.first_title {
  margin: 73px 0 70px;
}

.first_title img {
  width: 205px;
  height: 73px;
  margin-bottom: 67px;
}

.first_title div {
  font-weight: bold;
  font-size: 36px;
  color: #000000;
  line-height: 50px;
  margin-left: 130px;
}

.card_with_header {
  width: 1200px;
  display: flex;
  gap: 38px;
}

.card_with_header .card_item {
  flex: 1;
}

.card_with_header .card_item .card_item_title {
  background-color: #4A94FF;
  padding: 6px 0;
  text-align: center;
  font-size: 24px;
  color: #FFFFFF;
  margin-bottom: 7px;
}

.card_with_header .card_item .card_item_content {
  height: 102px;
  padding: 17px 34px 0;
  background-color: #FFFFFF;
  box-shadow: 0px 0 16px 0px rgba(107, 135, 162, 0.5);
  font-size: 16px;
  color: #000000;
  line-height: 22px;
}

.card_with_header .card_item .card_item_subtitle {
  text-align: center;
  font-weight: bold;
  font-size: 24px;
  color: #4A94FF;
  margin-bottom: 30px;
}

.first_bg .card_with_header .card_item:nth-child(2) {
  margin-top: 70px;
}

.first_bg .card_with_header .card_item:nth-child(3) {
  margin-top: 140px;
}

.content_box .card_with_header .card_item .card_item_content {
  height: 196px;
  padding: 27px 29px 0;
}

.intro {
  width: 1200px;
  height: 650px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.intro img {
  flex: 1;
}

.intro_txt {
  margin-left: 64px;
}

.intro_txt div:nth-child(1) {
  font-weight: bold;
  font-size: 40px;
  color: #4A94FF;
  margin-bottom: 2px;
}

.intro_txt div:nth-child(2) {
  font-size: 24px;
  color: #000000;
  margin-bottom: 30px;
}

.intro_content {
  width: 675px;
  font-size: 24px;
  color: #000000;
  line-height: 33px;
}

.content_box {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 107px 0 61px;
}

.content_box .title {
  align-self: stretch;
  margin-left: 155px;
  display: flex;
  align-items: center;
  font-weight: bold;
  font-size: 40px;
  color: #000000;
  line-height: 67px;
  margin-bottom: 60px;
}

.content_box .title span {
  font-family: AlibabaPuHuiTi_2_115_Black;
  font-weight: bold;
  font-size: 120px;
  color: #4A94FF;
  margin-right: 3px;
}

.card_with_icon {
  width: 1200px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 67px;
}

.card_with_icon .card_item {
  background: #FFFFFF;
  box-shadow: 0px 0 16px 0px rgba(107, 135, 162, 0.5);
  width: 250px;
  height: 262px;
  padding: 39px 25px 0;

}

.card_with_icon .card_item_title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-weight: bold;
  font-size: 24px;
  color: #4A94FF;
  margin-bottom: 10px;
}

.card_with_icon .card_item_content {
  text-align: center;
  font-weight: bold;
  font-size: 16px;
  color: #000000;
  line-height: 22px;
}

.card_row {
  width: 1200px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 60px;
}

.card_row .card_item {
  width: 570px;
  background: #FFFFFF;
  box-shadow: 0px 0 16px 0px rgba(107, 135, 162, 0.5);
  padding: 30px 60px 15px;
}

.card_row .card_item_title {
  text-align: center;
  font-weight: bold;
  font-size: 24px;
  color: #4A94FF;
  margin-bottom: 7px;
}

.card_row .card_item_content div {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
}

.card_row .card_item_content span {
  font-weight: bold;
  font-size: 16px;
  color: #000000;
}

.card_row .block {
  width: 90px;
  background-color: #4A94FF;
  margin: 0 20px;
  text-align: center;
  color: #FFFFFF !important;
}

.summary {
  margin-top: 46px;
  font-weight: bold;
  font-size: 26px;
  color: #4A94FF;
}

.trans {
  display: flex;
  align-items: center;
  margin-top: 40px;
  font-weight: bold;
  font-size: 48px;
  color: #4A94FF;
}

.trans img {
  margin: 0 25px;
}

.course {
  padding: 107px 0 50px;
}

.course_title {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: PingFangSC, PingFang SC;
  font-weight: bold;
  font-size: 40px;
  color: #000000;
}

.join {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  width: 100vw;
  min-height: 150px;
  background-image: url("https://xuanchuan-shipin.oss-cn-hangzhou.aliyuncs.com/website/polarisClub/polarisAcademy_join.png");
  background-size: auto 100%;
  background-repeat: no-repeat;
  background-position: center;
}

.join_txt {
  width: 800px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-left: 20%;
}

.join_content {
  font-weight: bold;
  font-size: 26px;
  color: #FFFFFF;
}

.button_group {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 6px 0;
}

.button_group .button {
  width: 119px;
  height: 34px;
  font-weight: bold;
  font-size: 14px;
  color: #FFFFFF;
  background: #4A94FF;
  border-radius: 40px;
  border: 1px solid #FFFFFF;
}

.join_contract {
  display: flex;
  flex-direction: row;
  align-items: center;
}

.contract1,
.contract2 {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-weight: bold;
  font-size: 10px;
  color: #FFFFFF;
}

.contract1 {
  margin-right: 43px;
  gap: 10px;
}

.contract2 {
  gap: 5px;
}