.container .top-banner {
  background: url("../../images/course1/1.jpg") no-repeat center;
  height: 700px;
  color: #fff;
  padding: 1px;
}
.container .top-banner h2 {
  font-size: 57px;
  font-weight: bold;
  margin-top: 250px;
  margin-left: 80px;
}
.container .top-banner h3 {
  margin-top: 20px;
  font-size: 57px;
  margin-left: 80px;
}
.container .course1 .c1-block1 .block1-item {
  display: flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  justify-content: center;
}
.container .course1 .c1-block1 .block1-item .item {
  width: 297px;
  height: 365px;
  border: 1px solid #f0f0f0;
  padding: 50px 37px;
  box-sizing: border-box;
  margin: 0 33px;
  text-align: center;
  box-shadow: 0 0 21px 1px #eee;
}
.container .course1 .c1-block1 .block1-item .item .iconfont {
  display: block;
  margin-bottom: 50px;
  font-size: 55px;
  text-align: center;
  color: #4286f3;
}
.container .course1 .c1-block1 .block1-item .item h2 {
  font-size: 24px;
  color: #3b3b3b;
  text-align: center;
  line-height: 35px;
}
.container .course1 .c1-block1 .block1-item .item p {
  color: #57565d;
  margin-top: 35px;
  line-height: 26px;
  text-align: left;
}
.container .course1 .c1-block1 .block1-item .item:hover {
  transform: scale(1.05);
  border-top: 5px solid #4286f3;
}
.container .course1 .c1-block2 .block2-item {
  /*       display: flex;
                display: -moz-box;
                display: -ms-flexbox;
                display: -webkit-flex;*/
  width: 1080px;
  margin: 120px auto 0;
  box-sizing: border-box;
  padding: 125px 62px 62px;
  justify-content: center;
}
.container .course1 .c1-block2 .block2-item .item {
  position: relative;
  width: 33.33%;
  float: left;
}
.container .course1 .c1-block2 .block2-item .item .s-shadow {
  box-shadow: 0 0 62px 2px #000;
  background: #000;
}
.container .course1 .c1-block2 .block2-item .item .iconfont {
  width: 76px;
  height: 76px;
  line-height: 76px;
  border-radius: 50%;
  background: #4286f3;
  position: absolute;
  top: -177px;
  left: 50%;
  border: 18px solid #eef1f8;
  margin-left: -56px;
  font-size: 55px;
  text-align: center;
  color: #fff;
}
.container .course1 .c1-block2 .block2-item .item .iconfont .s-shadow {
  position: absolute;
  top: 126px;
  width: 75px;
  box-shadow: 0 0 24px 5px #eff2f8;
  background: #eff2f8;
}
.container .course1 .c1-block2 .block2-item .item h2 {
  font-size: 24px;
  color: #4286f3;
  text-align: center;
  padding-bottom: 35px;
  margin-top: 32px;
}
.container .course1 .c1-block2 .block2-item .item .list {
  width: 240px;
  margin: 0 auto;
}
.container .course1 .c1-block2 .block2-item .item .list ul li {
  color: #57565d;
  line-height: 29px;
}
.container .course1 .c1-block2 .block2-item .item .list ul:nth-of-type(1) {
  float: left;
}
.container .course1 .c1-block2 .block2-item .item .list ul:nth-of-type(2) {
  float: left;
  margin-left: 38px;
}
.container .course1 .c1-block2 .block2-item .item:nth-of-type(1) div {
  width: 200px;
}
.container .course1 .c1-block2 .block2-item .item:nth-of-type(2) div {
  width: 240px;
}
.container .course1 .c1-block2 .block2-item .item:nth-of-type(3) div {
  width: 232px;
}
.container .course1 .c1-block3 .block3-item .row {
  width: 1100px;
  margin: 0 auto 75px;
  display: flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  justify-content: center;
}
.container .course1 .c1-block3 .block3-item .row .item {
  flex: 1;
  -webkit-box-flex: 1;
  -moz-box-flex: 1;
  -webkit-flex: 1;
}
.container .course1 .c1-block3 .block3-item .row .item .iconfont {
  display: block;
  width: 89px;
  line-height: 93px;
  margin: 0 auto;
  height: 89px;
  border: 2px solid #4286f3;
  border-radius: 8px;
  font-size: 60px;
  color: #4286f3;
  text-align: center;
}
.container .course1 .c1-block3 .block3-item .row .item h2 {
  margin: 27px;
  font-size: 24px;
  color: #3b3b3b;
  text-align: center;
}
.container .course1 .c1-block3 .block3-item .row .l-ask {
  width: 193px;
  height: 61px;
  line-height: 61px;
  background: #4286f3;
  font-size: 25px;
  border-radius: 33px;
}
.container .course1 .c1-block3 .block3-item .row .l-ask a {
  font-size: 25px;
  display: block;
}
.container .course1 .c1-block4 {
  margin-bottom: 200px;
}
.container .course1 .c1-block4 .block4-item {
  display: flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  justify-content: center;
}
.container .course1 .c1-block4 .block4-item img:nth-of-type(1) {
  margin-right: 65px;
}
.container .course1 .c1-block4 .block4-item .block4-right {
  width: 473px;
}
.container .course1 .c1-block4 .block4-item .block4-right div span {
  display: inline-block;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid #4286f3;
  font-size: 25px;
  color: #4286f3;
  font-weight: bold;
  float: left;
}
.container .course1 .c1-block4 .block4-item .block4-right div h2 {
  font-size: 22px;
  margin-bottom: 19px;
  color: #4286f3;
  display: inline-block;
  margin-left: 8px;
}
.container .course1 .c1-block4 .block4-item .block4-right div p {
  margin-bottom: 68px;
  margin-left: 37px;
  line-height: 28px;
}
.container .course1 .c1-block4 .block4-item .block4-right div:last-child p {
  margin-bottom: 0;
}