@charset "utf-8";
.md2_5 {
  width: 20%!important;
}
body {
  max-width: 1200px;
  min-width: 1200px;
  margin: auto;
}
.clear {
  clear: both;
}
#page {
  margin: 10px auto;
  text-align: center;
}
#writeroot,
#edit_article,
#down_article {
  display: none;
}
.mod_footer {
  position: fixed;
  background: #fff;
  bottom: 0;
  max-width: 1200px;
  min-width: 1200px;
  text-align: center;
  border-top: 1px solid #D1D2D2;
  padding: 10px 0;
}
.layui-container {
  margin-bottom: 40px;
}
.mod_navs {
  border-bottom: 1px solid #D1D2D2;
}
.mod_navs .nav_logo {
  float: left;
}
.mod_navs .nav_logo h1 {
  background-image: url(../images/logo.jpg);
  background-repeat: no-repeat;
  background-position: 0 50%;
  background-size: 50px 50px;
  padding: 16px 60px;
}
.mod_navs .nav_center {
  text-align: right;
  height: 69px;
  line-height: 69px;
  font-size: 16px;
}
.mod_navs .nav_center a {
  margin: 0 10px;
}
.login {
  margin: 120px 60px 0 auto;
  min-height: 360px;
  max-width: 420px;
  padding: 40px;
  background-color: #ffffff;
  border: 1px solid #189f92;
  border-radius: 4px;
  box-sizing: border-box;
}
.login a.logo {
  display: block;
  height: 58px;
  width: 167px;
  margin: 0 auto 30px auto;
  background-size: 167px 42px;
}
.login .message {
  margin: 10px 0 0 -58px;
  padding: 18px 10px 18px 60px;
  background: #189F92;
  position: relative;
  color: #fff;
  font-size: 16px;
}
.login #darkbannerwrap {
  background: url(../images/aiwrap.png);
  width: 18px;
  height: 10px;
  margin: 0 0 20px -58px;
  position: relative;
}
.login input[type=text],
.login input[type=file],
.login input[type=password],
.login input[type=email],
.login select {
  border: 1px solid #DCDEE0;
  vertical-align: middle;
  border-radius: 3px;
  height: 50px;
  padding: 0px 16px;
  font-size: 14px;
  color: #555555;
  outline: none;
  width: 100%;
  box-sizing: border-box;
}
.login input[type=text]:focus,
.login input[type=file]:focus,
.login input[type=password]:focus,
.login input[type=email]:focus,
.login select:focus {
  border: 1px solid #27A9E3;
}
.login input[type=submit],
.login input[type=button] {
  display: inline-block;
  padding: 12px 24px;
  margin: 0px;
  font-size: 18px;
  line-height: 24px;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  cursor: pointer;
  color: #ffffff;
  background-color: #189F92;
  border-radius: 3px;
  border: none;
  -webkit-appearance: none;
  outline: none;
  width: 100%;
}
.login hr {
  background: #fff 0 0 no-repeat;
}
.login hr.hr15 {
  height: 15px;
  border: none;
  margin: 0px;
  padding: 0px;
  width: 100%;
}
.login hr.hr20 {
  height: 20px;
  border: none;
  margin: 0px;
  padding: 0px;
  width: 100%;
}
.course_category {
  padding: 16px;
  box-shadow: 0 4px 8px 0 rgba(28, 31, 33, 0.1);
}
.course_category span {
  display: inline-block;
  line-height: 14px;
  padding: 10px;
  font-size: 14px;
  margin: 0 4px;
  cursor: pointer;
  white-space: nowrap;
}
.course_category span:hover {
  color: #009688;
}
.course_category span.on {
  background: rgba(242, 13, 13, 0.06);
  border-radius: 6px;
  font-weight: 700;
  color: #009688;
}
.course_category .title {
  display: inline-block;
  font-weight: 700;
  color: #07111b;
  cursor: default;
}
.course_list {
  padding: 10px 0;
}
.course_list .course_li {
  cursor: pointer;
  padding: 10px;
}
.course_list .course_li .cover_bg {
  margin: 0 auto;
  width: 120px;
  height: 170px;
  padding: 10px;
  background-position: center;
  background-repeat: no-repeat;
  border: 1px solid #b2b2b2;
  margin-bottom: 8px;
}
.course_list .course_li h3 {
  font-size: 16px;
  color: #07111B;
  line-height: 24px;
  word-wrap: break-word;
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: 2;
  height: 46px;
  text-align: center;
}
.course_list .course_li p {
  font-size: 12px;
  font-weight: 300;
  color: #3d4248;
  line-height: 22px;
  margin-top: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: 2;
  height: 44px;
  text-align: center;
}
.course_list .course_li:hover h3 {
  color: #009688;
}
.course_body {
  padding: 16px 0;
}
.course_body h2 {
  margin: 16px 0 8px;
  line-height: 48px;
  font-size: 32px;
}
.course_body .btn_article {
  position: absolute;
  top: 56px;
  right: 0;
}
.course_upload {
  padding: 16px 0 0 0;
}
.course_upload h2 {
  margin: 0 0 8px;
  line-height: 48px;
  font-size: 32px;
}
.course_upload .layui-upload-img {
  width: 92px;
  height: 92px;
  margin: 0 10px 10px 0;
}
.course_upload .upload_css {
  margin-top: 0;
}
.course_upload .cover_css {
  position: absolute;
  top: 282px;
}