.bannerWraper img {
  width: 100%;
  height: auto;
}
.content_box {
  width: 100%;
}
.content_box .inner_content {
  width: 100%;
}
.content_box .inner_content .course_one_box {
  width: 1200px;
  margin: 20px auto 30px;
}
.content_box .inner_content .course_one_box img {
  display: inline-block;
  width: 465px;
  height: 276px;
}
.content_box .inner_content .course_one_box .course_one_content {
  float: right;
  width: 710px;
  text-align: left;
  margin-top: 50px;
}
.content_box .inner_content .course_one_box .course_one_content p {
  font-size: 16px;
  color: #333;
  line-height: 25px;
  text-indent: 5px;
  padding-bottom: 15px;
}
.content_box .inner_content .course_two_box {
  width: 1200px;
  margin: 0px auto 30px;
}
.content_box .inner_content .course_two_box .header_title {
  margin-bottom: 25px;
  text-align: center;
  font-size: 26px;
  color: #333;
}
.content_box .inner_content .course_two_box .header_title h2 {
  padding-top: 15px;
}
.content_box .inner_content .course_two_box .header_title .newtitle {
  margin-top: 20px;
}
.content_box .inner_content .course_two_box .two_img {
  width: 1186px;
  height: auto;
}
.content_box .inner_content .course_two_box .course_two_bottom {
  width: 1160px;
  margin: 0 auto;
  height: 70px;
  line-height: 70px;
  text-align: center;
  font-size: 18px;
  color: #00a9e7;
  background-color: #f0f3fa;
  border-radius: 50px;
  margin-top: 20px;
}
.content_box .inner_content .course_three_box {
  width: 1200px;
  margin: 0px auto 30px;
}
.content_box .inner_content .course_three_box .header_title {
  margin-bottom: 25px;
  text-align: center;
  font-size: 26px;
  color: #333;
}
.content_box .inner_content .course_three_box .header_title h2 {
  padding-top: 15px;
}
.content_box .inner_content .course_three_box .three_img {
  width: 1152px;
  height: auto;
}
.content_box .inner_content .two_img {
  width: 100%;
}
.content_box .course-footer {
  width: 100%;
  height: 68px;
  background-color: #1192ff;
  text-align: center;
  color: #ffffff;
  line-height: 68px;
  font-size: 18px;
}