#app {
  background: linear-gradient(to bottom, #366ee9, #ffffff);
}

.header {
  background-color: #4377ea;
  height: 1.3333rem;
  padding: 0 .4rem;
  position: relative;
}

.header .icon {
  width: .5333rem;
  position: absolute;
  left: 5%;
  top: 50%;
  transform: translateY(-50%);
}

.header .title {
  color: #ffffff;
  font-size: .4rem;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.button {
  position: fixed;
  bottom: 0;
  left: 0;
  padding: .5rem 0;
  text-align: center;
  font-size: .4rem;
  border-radius: .2667rem;
  width: 100%;
  background-color: #548cfd;
  color: #ffffff;
}

.header_title {
  height: 1.3333rem;
  line-height: 1.3333rem;
  padding: 0 .5333rem;
  color: #ffffff;
  font-size: .4rem;
}

.page1 .course_content {
  padding: 0.2rem;
}

.page1 .course_content .van-collapse {
  border-radius: .4rem;
  overflow: hidden;
}

.page1 .course_content .content {
  padding: .2rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.page1 .course_content .content .item {
  width: 45%;
  height: 1.3333rem;
  line-height: 1.3333rem;
  text-align: center;
  background-color: #f3f4f6;
  margin-top: .5333rem;
  font-size: .4rem;
}

.steps_wrap {
  padding: .4rem;
}

.steps_wrap .van-steps {
  background-color: transparent !important;
}

.steps_wrap .van-steps .van-step__circle-container {
  background-color: transparent !important;
}

.page2 {
  display: none;
}

.page2 .course_content {
  padding: 0.3rem;
  margin: 0.3rem;
  border-radius: .5333rem;
  background-color: #ffffff;
  box-shadow: 0px 0px 0.5333rem 0px rgba(0, 0, 0, 0.1);
}

.page2 .course_content .van-collapse {
  border-radius: .4rem;
  overflow: hidden;
}

.page2 .course_content .texts {
  display: flex;
  justify-content: space-between;
  margin-top: .4rem;
}

.page2 .course_content .title {
  font-size: .4rem;
  text-align: center;
  font-weight: bold;
  padding-bottom: .5333rem;
  border-bottom: .0267rem solid #d3d3d3;
}

.page2 .course_content .content {
  padding: .2rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.page2 .course_content .content .item {
  width: 45%;
  padding: .2rem;
  text-align: center;
  background-color: #f3f4f6;
  margin-top: .5333rem;
  font-size: .4rem;
}

.page3 {
  display: none;
}

.page3 .course_content {
  padding: 0.3rem;
  margin: 0.3rem;
  border-radius: .5333rem;
  background-color: #ffffff;
  box-shadow: 0px 0px 0.5333rem 0px rgba(0, 0, 0, 0.1);
}

.page3 .course_content > p:nth-child(1) {
  background-color: #366ee9;
  width: 2.5rem;
  text-align: center;
  border-radius: 1.3333rem;
  font-size: .4rem;
  padding: .1rem 0;
  color: #ffffff;
  margin: 0 auto;
}

.page3 .course_content > p:nth-child(2) {
  font-size: .4rem;
  color: #275dd3;
  text-align: center;
  margin-top: .4rem;
  font-weight: bold;
}

.page3 .course_content > p:nth-child(3) {
  text-align: center;
  font-size: .3rem;
  margin-top: .3rem;
}

.page3 .course_content > p:nth-child(4) {
  text-align: center;
  font-size: .3rem;
}

.page3 .course_content > p:nth-child(6) {
  text-align: center;
  font-size: .3rem;
  margin-top: .5rem;
}

.page3 .course_content .image {
  width: 5rem;
  margin: 0 auto;
  margin-top: .8rem;
}

.page3 .course_content > p:nth-child(7) {
  background-color: #e8f6e7;
  width: 5rem;
  text-align: center;
  border-radius: .8rem;
  color: #5e9f68;
  margin: 0 auto;
  font-size: .3rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page3 .course_content > p:nth-child(7) > img {
  width: .4rem;
}