/**
     hlj
**/
* {
  -webkit-touch-callout: none;
  /*系统默认菜单被禁用*/
  -webkit-user-select: none;
  /*webkit浏览器*/
  -khtml-user-select: none;
  /*早期浏览器*/
  -moz-user-select: none;
  /*火狐*/
  -ms-user-select: none;
  /*IE10*/
  user-select: none;
}
html,
body {
  overflow: hidden;
  overflow-y: auto;
}
body,
h1,
h2,
h3,
h4,
h5,
h6,
ul {
  padding: 0;
  margin: 0;
  font-family: "微软雅黑", Century;
}
ul {
  list-style: none;
}
a {
  text-decoration: none;
  cursor: pointer;
}
.auto0 {
  margin: 0 auto;
}
.position_center {
  position: absolute;
  left: 0;
  right: 0;
}
.clear_after:after {
  content: "";
  display: block;
  clear: both;
}
.clear_before:before {
  content: "";
  display: block;
  clear: both;
}
@font-face {
  font-family: "ljxt";
  src: url("../fonts/ljxt.ttf");
}
li {
  padding: 0.8rem;
  color: #686868;
}
li a:link {
  color: #686868;
}
li a:hover {
  color: #1457b2;
  font-weight: bold;
}
li a:visited {
  color: #686868;
}
.flex-between-center {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
/*nav star*/
#header {
  width: 100%;
  background: rgba(255, 255, 255, 0.93);
  border-bottom: 1px solid #fff;
  top: 0;
  z-index: 88;
}
#header .a_menuask {
  float: right;
}
#header .a_menuask a {
  color: #ffffff;
  text-decoration: none;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: #1e4fbc;
  -webkit-transition: all 0.6s ease-in-out;
}
#header .a_menuask a:hover {
  background: #336def;
}
/*nav end*/
#banner {
  width: 100%;
  background: url(../images/pc_banner.gif) no-repeat center;
  background-size: cover;
}
/**/
.rules {
  margin: 20px auto 0;
}
.rules h2.rules_title {
  text-align: center;
}
.rules ul.rules_big_box {
  display: flex;
  flex-flow: wrap;
  justify-content: center;
}
.rules ul.rules_big_box li.rules_big_box_li {
  text-align: center;
}
.rules ul.rules_big_box li.rules_big_box_li h3 {
  background-color: #4878ea;
  color: #fff;
  font-size: 1.3rem;
}
.rules ul.rules_big_box li.rules_big_box_li p {
  font-size: 1.2rem;
  color: #5a6652;
  overflow: hidden;
  height: 70px;
}
.rules ul.rules_big_box li.rules_big_box_li p.shengluehao {
  margin: 0;
  height: 25px;
}
.rules ul.rules_big_box li.rules_big_box_li a.rules_big_box_a {
  background: url(../images/rules_btn.png) no-repeat 0 0;
  display: block;
  border: none;
  margin: 0 auto;
  color: #fffefe;
}
.rules .rules_box h4 {
  font-size: 1.2rem;
}
.rules .rules_ul {
  display: flex;
  flex-flow: wrap;
  justify-content: center;
}
.rules .rules_ul > li {
  padding: 0;
  color: #5a6652;
}
.rules .rules_ul > li a {
  display: block;
}
.rules .rules_ul .rules_icon {
  background: url("../images/rules_icon.png") no-repeat 0 0;
  width: 22px;
  height: 22px;
  display: block;
  margin: 0 auto;
}
.rules .rules_ul a:hover .rules_icon {
  background-position: -22px 0;
}
.rules .rules_ul .rules_icon2 {
  background-position: 0 -22px;
}
.rules .rules_ul a:hover .rules_icon2 {
  background-position: -22px -22px;
}
.rules .rules_ul .rules_icon3 {
  background-position: 0 -44px;
}
.rules .rules_ul a:hover .rules_icon3 {
  background-position: -22px -44px;
}
.rules .rules_ul .rules_icon4 {
  background-position: 0 -66px;
}
.rules .rules_ul a:hover .rules_icon4 {
  background-position: -22px -66px;
}
.rules .rules_ul .rules_icon5 {
  background-position: 0 -88px;
}
.rules .rules_ul a:hover .rules_icon5 {
  background-position: -22px -88px;
}
.rules .rules_ul .rules_icon6 {
  background-position: 0 -110px;
}
.rules .rules_ul a:hover .rules_icon6 {
  background-position: -22px -110px;
}
/**/
.ind_img {
  width: 100%;
}
.ind_img img {
  width: 100%;
}
/**/
.content1 h1,
.content2 h1,
.content3 h1,
.content4 h1,
.content5 h1,
.content6 h1 {
  text-align: center;
}
.content1 h2,
.content2 h2,
.content3 h2,
.content4 h2,
.content5 h2,
.content6 h2 {
  text-align: center;
}
.content3 {
  background-color: #eaf4fd;
}
.content3 h2 {
  text-align: center;
  color: #f6893c;
  margin: 12px;
  letter-spacing: 3px;
}
.content3 #course_audition {
  margin: 20px auto;
}
.content3 #course_audition li {
  padding: 0;
}
.content3 #course_audition li:nth-child(1) img {
  width: 100%;
}
.content3 #course_audition li:nth-child(1) .doyooBtn {
  margin-top: 10px;
}
.content3 #course_audition li:nth-child(1) .doyooBtn a {
  background-color: #0ebba5;
  color: #fff;
  font-size: 1.3rem;
  padding: 8px 20px;
  border-radius: 5px;
}
.content3 #course_audition h3 {
  font-size: 1.5rem;
  margin: 0.7rem 0;
  font-weight: 500;
  color: #011321;
}
.content3 #course_audition p {
  font-size: 1.2rem;
  letter-spacing: 2px;
  margin: 0;
}
.content3 #course_audition li:nth-child(2) h2 {
  color: #011321;
}
.content3 #course_audition li:nth-child(2) p {
  margin: 14px 0;
}
.content4 h1 {
  background: url(../images/t4.png) no-repeat center;
}
.content4 #quality_list {
  margin: 20px auto;
}
.content4 #quality_list li {
  text-align: center;
}
.content4 #quality_list h3 {
  font-size: 1.7rem;
  margin: 0.7rem 0;
  color: #f6893c;
}
.content4 #quality_list p {
  font-size: 1.5rem;
  letter-spacing: 2px;
  margin: 0;
  line-height: 30px;
}
.content5 {
  margin: 0 auto;
}
.content5 h2 {
  color: #888;
  margin: 20px 10px;
  font-weight: normal;
  letter-spacing: 1px;
}
.content5 h2 span {
  color: #f6893c;
}
.content5 ul {
  display: flex;
  flex-flow: wrap;
  justify-content: center;
}
.content5 ul li {
  padding: 0;
}
.content5 ul li img {
  width: 100%;
  height: 100%;
}
.content5 ul li:hover {
  cursor: pointer;
}
.content5 ul li:hover img {
  transform: scale(1.2);
  -webkit-transition: 0.3s;
  -moz-transition: 0.3s;
  -ms-transition: 0.3s;
  -o-transition: 0.3s;
  transition: 0.3s;
}
.content5 ul .li5_2,
.content5 ul .li5_4,
.content5 ul .li5_5,
.content5 ul .li5_7 {
  color: #fff;
  box-sizing: border-box;
  text-align: center;
  letter-spacing: 1px;
}
.content5 ul .li5_2 .title div:first-child,
.content5 ul .li5_4 .title div:first-child,
.content5 ul .li5_5 .title div:first-child,
.content5 ul .li5_7 .title div:first-child {
  font-size: 2.5rem;
  font-weight: bold;
}
.content5 ul .li5_2 .title div:last-child,
.content5 ul .li5_4 .title div:last-child,
.content5 ul .li5_5 .title div:last-child,
.content5 ul .li5_7 .title div:last-child {
  font-size: 1.8rem;
}
.content5 ul .li5_2 .txt,
.content5 ul .li5_4 .txt,
.content5 ul .li5_5 .txt,
.content5 ul .li5_7 .txt {
  margin-top: 1rem;
  font-size: 1.2rem;
}
.content5 ul .li5_2 {
  background-color: #6082e5;
}
.content5 ul .li5_4 {
  background-color: #ff7742;
}
.content5 ul .li5_5 {
  background-color: #f7a945;
}
.content5 ul .li5_7 {
  background-color: #2ab7ad;
}
/**/
#wrap {
  letter-spacing: 1px;
}