* {
  margin: 0;
  padding: 0;
}

html {
  font-size: 100px;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

fieldset, img {
  border: 0;
  display: block;
}

ol, ul, dl {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-size: 100%;
  font-weight: normal;
}

em, s, i {
  font-style: normal;
}

textarea {
  resize: none;
}

a {
  text-decoration: none;
  display: inline-block;
}

a:hover {
  text-decoration: none;
}

img {
  width: 100%;
  max-width: 100%;
  height: auto;
}

.video embed, .video object, .video iframe {
  width: 100%;
  height: auto;
}

a, button {
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

input {
  outline: 0 none;
}

body {
  background: #F7F8FA;
}

.fixtop {
  display: none;
  position: fixed;
  top: 0;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  z-index: 10;
  width: 6.9rem;
  height: 1.08rem;
  line-height: 1.05rem;
  text-align: center;
  font-size: 0.4rem;
  font-weight: 600;
  color: #FFF;
  background: url("../images/header_blue.png") no-repeat;
  background-size: contain;
}
.fixtop:before {
  content: " ";
  position: absolute;
  top: 50%;
  left: 1.85rem;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  width: 0.44rem;
  height: 0.28rem;
  background: url("../images/dot_blue_left.png") no-repeat 0 0;
  background-size: contain;
}
.fixtop:after {
  content: " ";
  position: absolute;
  top: 50%;
  right: 1.85rem;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  width: 0.44rem;
  height: 0.28rem;
  background: url("../images/dot_blue_right.png") no-repeat 0 0;
  background-size: contain;
}
.fixtop.mod-course-green {
  background-image: url("../images/header_green.png") !important;
}
.fixtop.mod-course-green:before {
  background-image: url("../images/dot_green_left.png");
}
.fixtop.mod-course-green:after {
  background-image: url("../images/dot_green_right.png");
}
.fixtop.mod-course-yellow {
  background-image: url("../images/header_yellow.png") !important;
}
.fixtop.mod-course-yellow:before {
  background-image: url("../images/dot_yellow_left.png");
}
.fixtop.mod-course-yellow:after {
  background-image: url("../images/dot_yellow_right.png");
}

.mod-course {
  position: relative;
  margin: 0.3rem auto;
  padding-bottom: 1.4rem;
  width: 6.9rem;
}
.mod-course.mod-course-green .hd {
  background-image: url("../images/header_green.png") !important;
}
.mod-course.mod-course-green .hd:before {
  background-image: url("../images/dot_green_left.png");
}
.mod-course.mod-course-green .hd:after {
  background-image: url("../images/dot_green_right.png");
}
.mod-course.mod-course-green .center li:before {
  background-image: url("../images/line3.png");
}
.mod-course.mod-course-green .center li i {
  background-image: url("../images/pepole_green.png") !important;
}
.mod-course.mod-course-green .center li i.book {
  background-image: url("../images/book_green.png") !important;
}
.mod-course.mod-course-green .center li i.heart {
  background-image: url("../images/heart_green.png") !important;
}
.mod-course.mod-course-green .center li b {
  color: #79CCD5;
}
.mod-course.mod-course-yellow .hd {
  background-image: url("../images/header_yellow.png") !important;
}
.mod-course.mod-course-yellow .hd:before {
  background-image: url("../images/dot_yellow_left.png");
}
.mod-course.mod-course-yellow .hd:after {
  background-image: url("../images/dot_yellow_right.png");
}
.mod-course.mod-course-yellow .center li:before {
  background-image: url("../images/line4.png");
}
.mod-course.mod-course-yellow .center li i {
  background-image: url("../images/pepole_yellow.png") !important;
}
.mod-course.mod-course-yellow .center li i.book {
  background-image: url("../images/book_yellow.png") !important;
}
.mod-course.mod-course-yellow .center li i.heart {
  background-image: url("../images/heart_yellow.png") !important;
}
.mod-course.mod-course-yellow .center li b {
  color: #FFB251;
}
.mod-course .hd {
  position: relative;
  height: 1.08rem;
  line-height: 1.08rem;
  text-align: center;
  font-size: 0.4rem;
  font-weight: 600;
  color: #FFF;
  background: url("../images/header_blue.png") no-repeat;
  background-size: contain;
}
.mod-course .hd:before {
  content: " ";
  position: absolute;
  top: 54%;
  left: 1.85rem;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  width: 0.44rem;
  height: 0.28rem;
  background: url("../images/dot_blue_left.png") no-repeat 0 0;
  background-size: contain;
}
.mod-course .hd:after {
  content: " ";
  position: absolute;
  top: 54%;
  right: 1.85rem;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  width: 0.44rem;
  height: 0.28rem;
  background: url("../images/dot_blue_right.png") no-repeat 0 0;
  background-size: contain;
}
.mod-course .center {
  padding-top: 0.42rem;
  padding-bottom: 0.1rem;
  background: url("../images/bg_dot.png") repeat #F5F7F8;
  overflow: hidden;
}
.mod-course .center li {
  position: relative;
  padding-bottom: 0.3rem;
  padding-left: 1.26rem;
  height: 0.66rem;
  line-height: 0.66rem;
  font-size: 0.3rem;
  color: #9598A2;
}
.mod-course .center li:last-child:before {
  display: none;
}
.mod-course .center li:before {
  content: " ";
  position: absolute;
  z-index: 1;
  top: 0;
  left: 0.65rem;
  width: 0.02rem;
  height: 100%;
  background: url("../images/line2.png") repeat-y;
  background-size: contain;
}
.mod-course .center li i {
  position: absolute;
  z-index: 2;
  top: 0;
  left: 0.3rem;
  width: 0.66rem;
  height: 0.66rem;
  background: url("../images/pepole_blue.png") no-repeat;
  background-size: contain;
}
.mod-course .center li i.book {
  background-image: url("../images/book_blue.png") !important;
}
.mod-course .center li i.heart {
  background-image: url("../images/heart_blue.png") !important;
}
.mod-course .center li b {
  color: #73AEFF;
  font-weight: 400;
}
.mod-course .course {
  padding-top: 0.2rem;
  padding-bottom: 0.1rem;
  background: url("../images/bg_dot.png") repeat #FFF;
}
.mod-course .course .top-title {
  margin-bottom: 0.1rem;
  padding: 0 0.32rem;
  height: 0.8rem;
  line-height: 0.8rem;
  color: #171921;
  font-size: 0.36rem;
  font-weight: 700;
}
.mod-course .course .top-title i {
  display: inline-block;
  margin-top: -0.08rem;
  margin-left: 0.12rem;
  width: 0.7rem;
  line-height: 0.3rem;
  border: 1px solid #F26155;
  border-radius: 0.16rem;
  color: #F26155;
  font-size: 0.2rem;
  vertical-align: middle;
  text-align: center;
}
.mod-course .course .item {
  position: relative;
  display: inline-block;
  padding: 0.1rem 0.3rem;
}
.mod-course .course .item:last-child:before {
  display: none;
}
.mod-course .course .item:before {
  content: " ";
  position: absolute;
  z-index: 1;
  top: 0.2rem;
  left: 0.46rem;
  width: 0.02rem;
  height: 100%;
  background: url("../images/line5.png") repeat-y;
  background-size: contain;
}
.mod-course .course .item .title {
  margin-bottom: 0.12rem;
  height: 0.42rem;
  line-height: 0.42rem;
  color: #171921;
  font-size: 0.3rem;
  font-weight: 600;
}
.mod-course .course .item .title i {
  position: relative;
  z-index: 2;
  display: inline-block;
  margin-top: -0.05rem;
  margin-right: 0.2rem;
  width: 0.36rem;
  height: 0.36rem;
  background: url("../images/dot1.png") no-repeat;
  background-size: contain;
  vertical-align: middle;
}
.mod-course .course .item .desc {
  margin: 0.2rem 0 0.1rem;
  padding-left: 0.52rem;
  height: 0.4rem;
  line-height: 0.4rem;
  color: #F26155;
  font-size: 0.24rem;
}
.mod-course .course .item .desc span {
  display: inline-block;
  width: 0.4rem;
  height: 0.4rem;
  line-height: 0.4rem;
  background: #FFF1F0;
  border-radius: 100%;
  text-align: center;
  vertical-align: middle;
}
.mod-course .course .item ul li {
  position: relative;
  margin-bottom: 0.1rem;
  padding-left: 0.9rem;
  line-height: 0.36rem;
  color: #171921;
  font-size: 0.26rem;
}
.mod-course .course .item ul li span {
  color: #9598A3;
}
.mod-course .course .item ul li:before {
  content: " ";
  position: absolute;
  top: 0.13rem;
  left: 0.66rem;
  width: 0.1rem;
  height: 0.1rem;
  background: #E1E7EA;
  border-radius: 100%;
  overflow: hidden;
}
.mod-course .material {
  background: url("../images/bg_dot.png") repeat #F5F7F8;
  padding: 0 0.3rem 0.12rem;
  overflow: hidden;
}
.mod-course .material .title {
  margin-top: 0.4rem;
  margin-bottom: 0.13rem;
  height: 0.52rem;
  line-height: 0.52rem;
  font-size: 0.36rem;
}
.mod-course .material .title span,
.mod-course .material .title b {
  display: inline-block;
  vertical-align: top;
}
.mod-course .material .title span {
  margin-right: 0.12rem;
  width: 0.52rem;
  height: 0.52rem;
  line-height: 0.48rem;
  background: -webkit-gradient(linear, right top, left top, from(#FF8988), to(#FE5755));
  background: linear-gradient(270deg, #FF8988 0%, #FE5755 100%);
  border-radius: 0.08rem;
  color: #FFF;
  font-weight: 600;
  text-align: center;
}
.mod-course .material li {
  position: relative;
  padding-bottom: 0.12rem;
  padding-left: 0.75rem;
  height: 0.4rem;
  line-height: 0.4rem;
  color: #171923;
  font-size: 0.26rem;
}
.mod-course .material li:last-child:after {
  display: none;
}
.mod-course .material li:before {
  content: " ";
  position: absolute;
  top: 50%;
  left: 0.22rem;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  width: 0.1rem;
  height: 0.1rem;
  background: #E1E7EA;
  border-radius: 100%;
  overflow: hidden;
}
.mod-course .material li:after {
  content: " ";
  position: absolute;
  top: 0.2rem;
  left: 0.25rem;
  width: 0.2rem;
  height: 100%;
  background: url("../images/line6.png") repeat-y;
  background-size: contain;
}
.mod-course .server {
  position: relative;
  padding: 0.5rem 0.3rem 0.4rem 0.3rem;
  background: url("../images/bg_dot.png") repeat #FFF;
}
.mod-course .server:before {
  content: " ";
  position: absolute;
  bottom: 0;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  width: 90%;
  height: 0.02rem;
  border-bottom: 0.02rem dotted #E4E7EE;
}
.mod-course .server .top-title {
  height: 0.5rem;
  line-height: 0.5rem;
  color: #649CF0;
  font-size: 0.36rem;
  font-weight: 600;
}
.mod-course .server .item {
  margin-top: 0.2rem;
}
.mod-course .server .title {
  height: 0.47rem;
  line-height: 0.47rem;
}
.mod-course .server .title span {
  display: inline-block;
  padding-left: 0.2rem;
  width: 2.04rem;
  height: 0.47rem;
  border-left: 0.04rem solid #649CF0;
  background: -webkit-gradient(linear, right top, left top, from(#FFFFFF), to(#DFEAFF));
  background: linear-gradient(270deg, #FFFFFF 0%, #DFEAFF 100%);
  color: #171822;
  font-size: 0.26rem;
  vertical-align: top;
}
.mod-course .server li {
  margin-top: 0.2rem;
  height: 0.36rem;
  line-height: 0.36rem;
  color: #171824;
  font-size: 0.24rem;
}
.mod-course .server li.orange {
  color: #F26155;
}
.mod-course .server li.orange span {
  background: #F26155;
  color: #FFF;
}
.mod-course .server li span,
.mod-course .server li b {
  display: inline-block;
  vertical-align: middle;
}
.mod-course .server li span {
  width: 0.36rem;
  height: 0.36rem;
  background: #E6E6E6;
  border-radius: 0.04rem;
  color: #9597A6;
  font-size: 0.24rem;
  text-align: center;
}
.mod-course .server li b {
  font-weight: 400;
}
.mod-course .ensure {
  padding: 0.4rem 0.3rem 0.3rem;
  background: url("../images/bg_dot.png") repeat #FFF;
}
.mod-course .ensure .title {
  height: 0.5rem;
  line-height: 0.5rem;
  color: #649CF0;
  font-size: 0.36rem;
  font-weight: 600;
}
.mod-course .ensure li {
  margin-top: 0.2rem;
  height: 0.36rem;
  line-height: 0.36rem;
  color: #171824;
  font-size: 0.24rem;
}
.mod-course .ensure li.orange {
  color: #F26155;
}
.mod-course .ensure li.orange span {
  background: #F26155;
  color: #FFF;
}
.mod-course .ensure li span,
.mod-course .ensure li b {
  display: inline-block;
  vertical-align: middle;
}
.mod-course .ensure li span {
  width: 0.36rem;
  height: 0.36rem;
  background: #E6E6E6;
  border-radius: 0.04rem;
  color: #9597A6;
  font-size: 0.24rem;
  text-align: center;
}
.mod-course .ensure li b {
  font-weight: 400;
}

.actions-btn {
  position: fixed;
  z-index: 10;
  bottom: 0;
  left: 0;
  padding: 0.14rem 0;
  width: 100%;
  height: 1rem;
  background: #FFF;
  border-top: 1px solid #F0F1F3;
  overflow: hidden;
}
.actions-btn .more {
  float: left;
  margin-top: -0.22rem;
  margin-left: 0.5rem;
  margin-right: 0.5rem;
  width: 0.5rem;
  height: 1rem;
  text-align: center;
}
.actions-btn .more i {
  display: block;
  margin: 0.1rem auto 0.08rem;
  width: 0.3rem;
  height: 0.3rem;
  background: url("../images/more.png") no-repeat;
  background-size: contain;
  overflow: hidden;
}
.actions-btn .more p {
  height: 0.3rem;
  line-height: 0.3rem;
  color: #3D4044;
  font-size: 0.22rem;
}
.actions-btn .btn {
  float: left;
  width: 2.7rem;
  height: 0.98rem;
  line-height: 0.98rem;
  background: #E8F0FF;
  border-radius: 0.06rem;
  color: #649CF0;
  font-size: 0.3rem;
  font-weight: 600;
  text-align: center;
}
.actions-btn .btn.btn1 {
  margin-left: 0.19rem;
  background: #649CF0;
  -webkit-box-shadow: 0px 3px 8px 0px #BAD7FF;
          box-shadow: 0px 3px 8px 0px #BAD7FF;
  color: #FFF;
}
.actions-btn .btn.btn1 .price {
  margin-top: 0.2rem;
}
.actions-btn .btn.btn1 .buy {
  margin-top: -0.05rem;
}
.actions-btn .btn.btn1 span {
  display: block;
  height: 0.4rem;
  line-height: 0.3rem;
  font-size: 0.24rem;
}
.actions-btn .btn.btn1 span b {
  font-size: 0.32rem;
}