/* 기본 태그 속성 */
a { /* 글로벌에 있는 것과 조금 다르게 */
  text-decoration: none;
  background-color: transparent;
  color: #333333
}
/* 전체 body div 태그 */
/*  메인  */
.i_content {
  box-flex: 1;
  -webkit-box-flex: 1;
  -ms-flex: 1 0 auto;
  flex: 1 0 auto;
  position: relative;
  z-index: 100;
  height: auto;
}
/* 어디서든 쓰이는 클래스(클래스명과 기능이 동일) */
.centered {
  text-align: center
}
.black_bold {
  color: #555555;
  font-weight: bold
}
.orange {
  color: #fecd4c
}
.bold {
  font-weight: bold
}
.gray {
  color: #999999
}
.red {
  color: #FF0000
}
.left {
  float: left
}
.right {
  float: right
}
.cursor {
  cursor: pointer
}
.left_border {
  border-left: 1px solid #333
}
.non_data_message { /* 글이 없을 경우 */
  padding: 10vw;
  font-size: 16px;
  line-height: 1.2;
  text-align: center;
  letter-spacing: 0.5px;
  margin: auto;
}
.non_data_message2 { /* 글이 없을 경우 */
  padding: 5vw;
  font-size: 16px;
  line-height: 1.2;
  text-align: center;
  letter-spacing: 0.5px;
  margin: auto;
}
@media screen and (max-width: 480px) {
  .non_data_message {
    padding: 70px 0px;
  }
  .non_data_message2 {
    padding: 35px 0px;
  }
}
/************** 버튼 종류  *****************/
.radius_button { /* 타원형 */
  width: 172px;
  padding: 15.5px 0px;
  font-family: "Noto Sans Korean";
  font-size: 18px;
  font-weight: 400;
  line-height: 1;
  border-radius: 24px;
  text-align: center;
  -webkit-transition: color 1s, background-color 1s;
  transition: color 1s, background-color 1s 
}
.member_button {
  cursor: pointer;
  border: none;
  font-family: "Noto Sans Korean";
  font-size: 18px;
  font-weight: 400;
  outline: 0;
  border-radius: 3px;
  padding: 18px 0px;
  width: 100%;
  max-width: 280px;
  line-height: 1;
  text-align: center;
}
.squares_button { /* 네모형 */
  width: 150px;
  font-family: "Noto Sans Korean";
  font-size: 18px;
  font-weight: 400;
  line-height: 1;
  padding: 14px 0px;
  text-align: center;
  border-radius: 3px;
  color: #fff;
  -webkit-transition: color 1s, background-color 1s;
  transition: color 1s, background-color 1s 
}
@media screen and (max-width: 640px) {
  .radius_button {
    width: 39.0625vw;
    padding: 3.4375vw 0px;
    font-size: 4.0625vw;
    border-radius: 5.47vw;
  }
  .squares_button {
    width: 23.4375vw;
    font-size: 4.0625vw;
    padding: 1.953vw 0px;
    border-radius: 0.468vw;
  }
}
@media screen and (max-width: 480px) {
  .radius_button {
    width: 166px;
    padding: 14.5px 0px;
    font-size: 17px;
    border-radius: 23px;
  }
  .squares_button {
    width: 99px;
    padding: 8px 0px;
    font-size: 17px;
    border-radius: 3px;
  }
}
/******************************* section 부분 *********************************/
.section { /* 사이즈 구분용  */ /*원래 4.6875vw  */
  overflow: hidden;
  padding-left: 3.75vw;
  padding-right: 3.75vw
}
.section_alt { /* 개설과목용 배경 */
  background-color: #edf3f4
}
.section_intro { /* 소개 배경 */
  background-color: #3e92ca
}
.section_devices { /* 디바이스 */
  background-color: #fecd4c
}
.section_partner { /* 파트너 배경 */
  background-color: #eeeeee;
  padding-left: 0px;
  padding-right: 0px;
}
.section_join { /* 조인 배경 */
  background-color: #91C2C3
}
.section_inverse {
  background-color: #535353;
  color: #bbb
}
.section_heading_devices { /* 디바이스 여백 및 사이즈 */
  margin: auto;
  width: 541px;
  height: 33px;
  background-image: url('/20250213125318oe_/https://cuscs.khcu.ac.kr/el/images/main/devices/title.png');
  background-size: 100% 100%
}
.section_heading { /* 타이틀 여백 위,오른쪽,아래,왼쪽 */
  margin: auto;
  padding-top: 25px;
  margin-bottom: 51px;
  font-family: "Noto Sans Korean";
  font-size: 40px;
  font-weight: normal;
  /* color: #3498db; */
  line-height: 1.25
}
.section_heading2 {
  margin: auto;
  margin-bottom: 30px;
  font-family: "Noto Sans Korean";
  font-size: 34px;
  font-weight: normal;
  line-height: 1;
  padding-bottom: 25px;
  border-bottom: 2px solid #ccc;
}
.section_heading_sub_devices {
  display: block;
  margin: auto;
  max-width: 745px;
  margin-bottom: 76px
}
.section_heading_sub_devices>img {
  width: 100%
}
.section_heading_sub_devices_m {
  display: none
}
.section_heading_sub { /* 서브 타이틀용  */
  padding: 0px;
  margin-bottom: 51px;
  font-family: "Noto Sans Korean";
  font-size: 18px;
  font-weight: 400;
  line-height: calc(16px + 20px);
  color: #666;
}
.section_heading_sub_partner {
  padding: 0px;
  margin-bottom: 40px;
  font-family: "Noto Sans Korean";
  font-size: 16px;
  font-weight: 400;
  line-height: calc(16px + 20px);
  color: #666;
}
.section_cta { /* 더보기 버튼 */
  margin: 66px auto 0px auto;
}
.section_cta_partner {
  margin: 86px auto 0px auto;
}
.section_cta:hover, .section_cta_partner:hover {
  color: #555555;
  background-color: #fecd4c;
}
@media screen and (max-width: 640px) {
  .section_heading_devices {
    width: 64.4vw;
    height: 16.4vw;
    background-image: url('/20250213125318oe_/https://cuscs.khcu.ac.kr/el/images/m/main/devices/title.png')
  }
  .section_heading {
    margin-bottom: 9.375vw;
    font-size: 7.1875vw
  }
  .section_heading2 {
    margin: auto;
    margin-bottom: 5.3vw;
    font-size: 5.3vw;
    padding-bottom: 4vw;
    border-bottom: 2px solid #ccc;
  }
  .section_heading_sub_partner, .section_heading_sub {
    padding: 0px;
    margin-bottom: 6.25vw;
    font-size: 3.75vw;
    line-height: 1.5;
  }
  .section_heading_sub_devices {
    display: none
  }
  .section_heading_sub_devices_m {
    display: block;
    font-size: 3.75vw;
    margin-top: 9.375vw;
    margin-bottom: 17.1875vw
  }
  .section_cta {
    margin: 12.5vw auto 0px auto;
  }
  .section_cta_partner {
    margin: 13.4375vw auto 0px auto;
  }
}
@media screen and (max-width: 480px) {
  .section_heading {
    font-size: 33px;
    margin-bottom: 33px;
  }
  .section_heading_sub_partner, .section_heading_sub {
    font-size: 15px;
    padding: 0px;
    margin-bottom: 46px;
  }
  .section_cta {
    margin: 53px auto 0px auto;
  }
  .section_cta_partner {
    margin: 57px auto 0px auto;
  }
  .section_heading2 {
    margin: auto;
    margin-bottom: 25px;
    font-size: 26px;
    padding-bottom: 20px;
    border-bottom: 2px solid #ccc;
  }
}
@media screen and (min-width: 1921px) {
  .section_heading {
    margin-bottom: 54px
  }
  .section_heading_sub {
    margin-bottom: 106px
  }
  .section_heading_sub_devices {
    margin-bottom: 80px
  }
  .section_heading_sub_partner {
    margin-bottom: 78px
  }
  .section_cta {
    margin: 106px auto 0px auto
  }
  .section_cta_partner {
    margin: 78px auto 0px auto
  }
}
/**************** content 틀 사이즈 ***************************/
/* 배열의 전체 사이즈를 여기서 잡는다! */
.content { /* 세션 안에서 이루워질 div 틀 */
  font-size: 1rem;
  line-height: calc(1.25em + 2px);
  margin-top: 53px;
  margin-bottom: 66px;
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto /* section 안에 틀을 잡기 위한 부분 */
}
.content_contiguous {
  margin: auto;
}
.content_grid {
  clear: both
}
.content_course {
  margin-bottom: 40px
}
.content_devices {
  margin-top: 12.5vw;
  margin-bottom: 0px
}
.content_join_m {
  display: block;
  margin: auto;
  position: relative;
  height: 15.625vw;
  max-width: 640px
}
.content_join {
  display: none;
}
.content_cate {
  max-width: 900px;
  margin-top:0px; 
  margin-bottom:0px;
}
.content_info { 
  margin: 40px 0px;
  max-width: 640px;
}
@media screen and (min-width: 641px) {
  .content_middle {
    max-width: 942px;
    margin: auto
  }
  .content_middle2 {
    max-width: 900px;
    margin: auto;
  }
  .content_course {
    margin-top: 60px;
    margin-bottom: 100px;
  }
  .content_join_m {
    display: none
  }
  .content_join {
    display: block;
    margin: auto;
    position: relative;
    max-width: 1366px;
    height: 6.5886vw;
    max-height: 90px
  }
  .content_hall {
    max-width: 100%;
    margin-top: 55px;
    margin-bottom: 80px
  }
  .content_intro {
    margin-top: 65px;
    margin-bottom: 80px;
    max-width: 930px
  }
  .content_devices {
    margin-top: 65px
  }
  .content_list {
    padding-top: 0px;
  }
  .content_small {
    max-width: 800px;
    padding: 30px;
    margin: 0 auto;
  } 
  .content_info {
    max-width: 900px;
    margin: 50px auto;
  }
}
@media screen and (min-width: 901px) {
  .content_contiguous {
    margin: auto;
  }
}
@media screen and (min-width: 1301px) {
  .content_contiguous {
    margin: auto
  }
}
@media screen and (min-width: 1921px) {
  .content_hall, .content_category {
    margin-top: 105px;
    margin-bottom: 150px
  }
  .content_intro {
    margin-top: 106px;
    margin-bottom: 140px;
    max-width: 1182px
  }
  .content_course {
    margin-top: 100px;
    margin-bottom: 120px;
  }
  .content_devices {
    margin-top: 95px
  }
  .content_away {
    padding-top: 408px
  }
}
/* 과목 정보, 수강 페이지 상단 title 부분 */
.class_top {
  position: relative;
  height: 300px;
  max-height: 290px;
  margin-top: 0px;
}
.class_top>div {
  position: absolute;
  top: 0px;
  left: 0;
  height: 46.875vw;
  max-height: 290px;
  width: 100%;
}
.class_top2 {
  position: relative;
  height: 37.5vw;
  max-height: 240px;
  margin-top: 0px;
  background-color: #eee;
}
.class_top2>div {
  position: absolute;
  top: 0px;
  height: 37.5vw;
  max-height: 240px;
  width: 100%;
}
.course_info {
  width: 100%;
  max-width: 920px;
  margin: 20px auto;
  display: inline-block;
  padding: 30px 40px;
}
.course_info_back {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #fff;
  opacity: 0.9; 
  z-index: -2;
}
/* 기본 이미지 */
.class_top_title {
  background-position: center;
  background-size: cover;
  position: relative;
  z-index: -5;
}
/* 투명도 적용 수강 페이지 */
.class_top_title_opy {
  background-color: #000000;
  overflow: hidden;
  opacity: 0.6;
  z-index: -4;
}
/* 투명도 적용 카테고리 */
.class_top_title_opy2 {
  background: linear-gradient( to right, #fff 20%, #000 50%, #fff 80%);
  overflow: hidden;
  opacity: 0.2;
  z-index: -4;
}
/* 투명도 적용 과목정보 */
.class_top_title_opy3 {
  background: linear-gradient( to right, #000 50%, #fff 80%);
  overflow: hidden;
  opacity: 0.2;
  z-index: -4;
}
/* 빗금 패턴 */
.slash_pattern {
  /* background-image: url('/20250213125318oe_/https://cuscs.khcu.ac.kr/el/images/course/slash_pattern.png'); */
  background-repeat: repeat;
  overflow: hidden;
  z-index: -3;
}
@media screen and (max-width: 640px) {
  .class_top {
    margin-top: 0px;
    height: 67.1875vw;
    max-height: 390px;
  }
  .class_top>div {
    height: 64.84375vw;
    max-height: 380px;
  }
  .course_info {
    padding: 0px 4.6875vw;
  }  
  .class_top2 {
    position: relative;
    height: 43.75vw;
    max-height: 280px;
    min-height: 210px;
    margin-top: 0px;
    background-color: #eee;
  }
  .class_top2>div {
    position: absolute;
    top: 0px;
    height: 43.75vw;
    max-height: 280px;
    min-height: 210px;
    width: 100%;
  }
}
@media screen and (max-width: 480px) {
  .class_top {
    height: 292px;
  }
  .class_top>div {
    height: 282px;
  }  
}
/* 스크롤 버튼 */
#topBtn {
  position: fixed;
  display: none;
  right: 15px;
  bottom: 15px;
  width: 40px;
  height: 40px;
  border: 1px solid #ddd;
  text-align: center;
  padding-top: 7px;
  cursor: pointer;
  background-color: #fff;
  z-index: 9;
}
/************ 파트너 조인 팝업************/
#partner_poplayer {
  width: 500px;
  padding-top: 45px;
  padding-bottom: 30px;
  background-color: #ffffff;
  border: 1px solid #DAD9D9;
  box-shadow: 0px 1px 3px 0px #cccccc;
  z-index: 101;
}
#partner_pop_background {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #000000;
  opacity: 0.4;
  z-index: 100;
}
.partner_pop_title {
  font-family: "Noto Sans Korean";
  font-size: 30px;
  font-weight: 500;
  text-align: center;
  margin: 0 auto;
}
.partner_pop_subtitle {
  padding-top: 30px;
  padding-bottom: 35px;
  text-align: center;
  margin: 0 auto;
  font-size: 13px;
  color: #333333;
}
.partner_input {
  padding-left: 15px;
  width: 370px;
  height: 30px;
  background-color: #f7f7f7;
  border: 1px solid #dddddd;
  border-radius: 3px;
  font-size: 12px;
  color: #666666;
  margin-bottom: 10px;
  display: block;
}
.partner_textarea {
  padding: 10px 15px;
  width: 370px;
  height: 70px;
  background-color: #f7f7f7;
  border: 1px solid #dddddd;
  border-radius: 3px;
  font-size: 12px;
  color: #666666;
  letter-spacing: -0.5px;
  margin-bottom: 10px;
  display: block;
  resize: none;
}
.partner_input_wrap {
  overflow: hidden;
  width: 370px;
  height: 150px;
  margin: 0 auto;
}
.partner_pop_btn_wrap {
  overflow: hidden;
  width: 310px;
  margin: 0 auto;
  padding-top: 40px;
  padding-bottom: 30px;
}

@media screen and (max-width: 640px) {
  #partner_poplayer {
    width: 90.625vw;
    max-width: 500px;
    padding-top: 45px;
    padding-bottom: 0;
  }
  .partner_pop_subtitle {
    padding-top: 25px;
    padding-bottom: 23px;
    font-size: 13px;
    width: 86.2%;
    max-width: 370px
  }
  .partner_input {
    width: 78.125vw;
    max-width: 370px;
    height: 29px;
    margin-bottom: 6.6px;
    font-size: 13px;
  }
  .partner_textarea {
    width: 78.125vw;
    max-width: 370px;
    height: 70px;
    font-size: 13px;
    margin-bottom: 6.6px;
  }
  .partner_input_wrap {
    overflow: hidden;
    width: 78.125vw;
    max-width: 370px;
    height: 152px;
    margin: 0 auto;
  }
  .partner_pop_btn_wrap {
    width: 48.4375vw;
    padding-top: 33px;
    padding-bottom: 0;
    margin-bottom: 33px;
  }
}
@media screen and (max-width: 480px) {
  .partner_pop_btn_wrap {
    width: 206px;
  }
}
/************ ajax 로딩 ************/
.indicator_wrap {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(204, 204, 204, 0.3);
  z-index: 101;
  display: none;
}
.indicator {
  position: relative;
  top: calc(50% - 5px);
  display: block;
  margin: 0 auto;
}
/**************** select 박스용 ********************/
.select_box {
  display: inline-block;
  position: relative;
  width: 170px;
  height: 45px;
  font-family: 'Dotum,돋움';
  font-size: 14px;
  color: #000;
  background-color: #fff;
  border: 2px solid #d1d6df;
  border-radius: 3px;
  background-image: url(/20250213125318oe_/https://cuscs.khcu.ac.kr/el/images/course/new/selectbox_arrow.png);
  background-repeat: no-repeat;
  background-position: right 12px center;
  cursor: default;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
.select_box2 {
  background-image: url(/20250213125318oe_/https://cuscs.khcu.ac.kr/el/images/course/new/selectbox_arrow_2.png);
}
.select_name {
  width: 100%; 
  padding: 14px 15px;
  text-align: left;
  line-height: 1;
}
.select_box > ul {
   position: absolute;
   margin:auto;
   top: 40px;
   left: -2px;
   padding:0px;
   width: calc(100% + 4px);
   background-color:#fff;
   border: 2px solid #d1d6df;
   border-radius: 3px 3px 0px 0px;
   z-index: 99;
}
.select_item {
  padding: 14px 15px;
  text-align: left;
  line-height: 1;
}
.select_title_name {
  position: absolute;
  top: -30px;
  left: -2px;
  font-size: 13px;
  color: #777;
}
.select_padding {
  height: 40px;
  border: 1px solid #d1d6df; 
}
.select_padding > .select_name {
  padding: 11.5px 15px;
}
.select_padding > ul {
  top: 38px;
  left: -1px;
  width: calc(100% + 2px);
  border: 1px solid #d1d6df;
}
.login_course_btn {
  float: right;
  position: relative;
  bottom: 7px;
  padding: 4px 10px;
  font-size: 14px;
  font-family: "Noto Sans Korean";
  border-radius: 3px;
}
@media screen and (max-width: 800px) {
  .login_course_btn {
    position: relative;
    top: -4px;
    margin-right: 20px;
  }
  .login_img {
    top: -3px !important;
    margin-left: 0px !important;
    margin-right: 15px !important;
  }
}
@media screen and (max-width: 640px) {
  .login_course_btn {
    top: 5.15625vw;
    font-size: 2.1875vw;
  }
  .login_img {
    top: 5.15625vw !important;
    width: 5.46875vw !important;
    height: 5.46875vw !important;
  }  
  .mobile_640 {
    display: none;
  }
}
@media screen and (max-width: 480px) {
  .login_course_btn {
    top: 13px;
    padding: 3px 7px;
    font-size: 11px;
    margin-right: 10px;
  }
  .login_img {
    top: 16px !important;
    width: 20px !important;
    height: 20px !important;
    margin-right: 10px !important;
  }
}