@charset "utf-8";

/* 상단 링크박스 수정 */
[data-link-section] {
  display: inline-block;
  position: absolute;
  top: 223px;
  user-select: none;
}
[data-link-button] {
  width: 100%;
  display: flex;
  justify-content: start;
  align-items: center;
  margin: 2px 4px;
  gap: 24px;
  text-align: left;
  font-size: 38px;
  line-height: 130%;
  letter-spacing: -0.5%;
  font-weight: 900;
  cursor: pointer;
}
[data-link-rotation-arrow] {
  font-size: 12px;
  transition: 0.3s;
}
[data-link-section].on [data-link-rotation-arrow] {
  transform: rotate(180deg);
}
[data-link-box] {
  display: none;
  position: absolute;
  top: 66px;
  right: 0;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 8px;
  width: fit-content;
  margin-top: 1px;
  background-color: black;
  border-radius: 10px;
  padding: 8px;
}
[data-link-section].on [data-link-box] {
  display: flex;
}
[data-link-list] {
  color: #c1c1c1;
  cursor: pointer;
  border-radius: 8px;
  white-space: nowrap;
  font-size: 28px;
  line-height: 130%;
  letter-spacing: -0.5%;
  font-weight: 500;
  padding: 12px 6px;
}
[data-link-list]:hover {
  color: white;
}

@media (max-width: 768px) {
  [data-link-section] {
    top: 93px;
  }
  [data-link-button] {
    gap: 5px;
    font-size: 24px;
  }
  [data-link-box] {
    top: 38px;
  }
  [data-link-list] {
    font-size: 18px;
  }
}
/* 상단 링크박스 수정 끝 */

/* 공통 */
#myVideo {
  position: absolute;
  right: 0;
  top: 0;
  /* top: 69px; */
  min-width: 100%;
  min-height: 100%;
}

#myVideo video {
  position: absolute;
  height: 100%;
  width: 100%;
  object-fit: cover;
}

.gradient {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  content: " ";
  z-index: 1;
  backface-visibility: hidden;
  background: linear-gradient(
    to bottom,
    rgba(20, 20, 20, 0) 0,
    rgba(20, 20, 20, 0.78) 76%,
    #141414
  );
}

.gradient2 {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  content: " ";
  z-index: 1;
  backface-visibility: hidden;
  background: linear-gradient(
    to left,
    rgba(20, 20, 20, 0) 40%,
    rgba(20, 20, 20, 0.78) 76%,
    #141414
  );
}

.smart-main {
  background: #141414;
}

.smart-main-color {
  background-color: #141414;
}

/* 각 섹션 컨테이너 */
.smart_section1 {
  min-width: 1260px;
  margin: 0 auto;
  position: relative;
  height: 641px;
}

/* 섹션 1 */
.smart_section1 .text {
  padding-top: 241px;
}

.smart_section1 .text h3 {
  font-weight: 500;
  font-size: 35px;
  line-height: 1.28;
  letter-spacing: -1.8px;
  text-align: left;
  color: #fff;
  margin-bottom: 0;
  text-shadow: 3px 3px 5px rgba(0, 0, 0, 0.3);
}

.smart_section1 p {
  font-weight: normal;
  font-size: 20px;
  line-height: 1.67;
  letter-spacing: -0.6px;
  margin-top: 15px;
  text-align: left;
  color: #eaeaea;
}

.smart_header {
  position: relative;
  width: 1260px;
  margin: 0 auto;
  color: #f1f1f1;
  z-index: 3;
}

.smart_header .left-tab,
.smart_header .right-tab {
  margin-top: 110px;
}

.smart_header > .left-tab {
  margin-top: 140px;
}
.smart_header > .text {
  padding-top: 334px;
}

.smart_header .right-tab {
  display: flex;
  justify-content: flex-start;
}

.smart_header .left-tab select {
  cursor: pointer;
  border: 0;
  font-size: 38px;
  font-weight: bold;
  line-height: 1.47;
  letter-spacing: -0.95px;
  color: #ffffff;
  width: 176px;
  font-family: inherit;
  background: url("../img/common/drop_down_lg.png") no-repeat 95% 50%;
  background-size: 12px 12px;
  border-radius: 0px;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.smart_header .cs-select:focus,
.smart_header .cs-select:visited {
  outline: 0;
  box-shadow: 0;
}

select::-ms-expand {
  display: none;
}

.smart_header .right-tab select {
  width: auto;
  flex-grow: 1;
  font-size: 14px;
  line-height: 1.43;
  letter-spacing: -0.35px;
  color: #ffffff;
  border: solid 1px #ffffff;
  padding: 6px;
  box-shadow: 20px 20px 60px 0 rgba(0, 0, 0, 0.16);
  background: RGB(92, 92, 92, 0.4) url("../img/common/drop_down.png") no-repeat
    95% 50%;
  background-size: 8px 8px;
  border-radius: 0px;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  margin-right: 10px;
  cursor: pointer;
}

.smart_header .right-tab select:last-child {
  margin-right: 0;
}

/* 섹션3 */
.SCDFont {
  font-family: S-Core Dream;
}

.smart_section3 .title_box > .title_context > p {
  font-family: Noto Sans KR;
}

.smart_section3 .swiper1-a.on {
  background-color: #5c32f6 !important;
  border-color: #5c32f6 !important;
}
.smart_section3 .swiper1-a p {
  color: rgb(0, 0, 0) !important;
}
.smart_section3 .swiper1-a.on p {
  color: white !important;
}

/* 
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
모바일 영역 모바일 영역 모바일 영역 모바일 영역 모바일 영역 모바일 영역 
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
*/

@media (max-width: 767px) {
  .slider-produtos-wrap {
    position: relative;
    width: 100%;
    margin: 0 auto;
    margin-top: 15px;
  }
  .smart-main {
    background: none;
  }
  .smart_header .left-tab select {
    font-size: 24px;
    font-weight: bold;
    font-stretch: normal;
    font-style: normal;
    line-height: 1.5;
    letter-spacing: -0.6px;
    text-align: left;
    color: #ffffff;
    cursor: pointer;
    border: 0;
    width: 105px;
  }

  .smart_header .left-tab {
    margin-top: 88px;
  }

  .smart_section1 .text {
    padding-top: 145px;
    padding-bottom: 5px;
  }

  .smart_section1 .text h3 {
    font-size: 19px;
    letter-spacing: -0.95px;
    line-height: 1.37;
    text-align: left;
    color: #fff;
    margin-bottom: 0;
    text-shadow: 3px 3px 5px rgba(0, 0, 0, 0.3);
  }

  .smart_section1 p {
    font-size: 12px;
    letter-spacing: -0.3px;
    line-height: 2.08;
    margin-top: 12px;
    text-align: left;
    color: #eaeaea;
  }

  .smart_header .right-tab {
    display: none;
  }
  .smart_header .last-select {
    display: block;
    justify-content: flex-start;
    margin-top: 91px;
  }
  .smart_header .left-tab {
    margin-top: 88px;
  }

  .smart_header .last-select select {
    width: 100%;
    flex-grow: 1;
    font-size: 14px;
    line-height: 1.43;
    letter-spacing: -0.35px;
    color: #ffffff;
    border: solid 1px #ffffff;
    padding: 7px;
    box-shadow: 20px 20px 60px 0 rgba(0, 0, 0, 0.16);
    background: RGB(92, 92, 92, 0.4) url(../img/common/drop_down.png) no-repeat
      95% 50%;
    background-size: 8px 8px;
    border-radius: 0px;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    margin-right: 4px;
    cursor: pointer;
  }
  .smart_header .last-select select:last-child {
    margin-right: 0;
  }
  .smart_header .left-tab select {
    font-size: 24px;
    font-weight: bold;
    font-stretch: normal;
    font-style: normal;
    line-height: 1.5;
    letter-spacing: -0.6px;
    text-align: left;
    color: #ffffff;
    cursor: pointer;
    border: 0;
    width: 105px;
    background: url(../img/common/drop_down_lg.png) no-repeat 100% 50%;
    background-size: 9px 9px;
  }
  .smart_section1 .text {
    padding-top: 210px;
  }

  .smart_section1 .text h3 {
    font-size: 19px;
    letter-spacing: -1px;
    line-height: 1.37;
  }

  .smart_section1 p {
    font-size: 12px;
    letter-spacing: -0.3px;
    line-height: 1.5;
    margin-top: 12px;
  }
  .smart_header {
    max-width: 100%;
    width: 100%;
    padding: 0 24px;
  }
  .gradient {
    top: 0px;
  }
  .gradient .gradient2 {
    top: 0px;
    left: 1px;
  }
  .gradient2 {
    top: 0px;
    left: -1px;
  }
  #myVideo {
    top: 0;
  }
  .sd_Icon_img,
  .sd_Icon_img2,
  .sd_Icon_img3 {
    position: absolute;
    width: 156px;
    height: 221px;
    top: -1px;
    left: 0;
    border-radius: 0 0 16px 16px;
    overflow: hidden;
  }

  .smart_section1 {
    width: 100%;
    min-width: 330px;
  }

  .smart_section2 .text h4 {
    font-size: 18px;
    font-weight: 500;
    line-height: 1;
    letter-spacing: -0.4px;
    color: #ffffff;
    display: inline-block;
    vertical-align: middle;
    margin-bottom: 0;
  }

  .smart_section2 .text .see-more {
    font-size: 14px;
    line-height: 1.8;
    letter-spacing: -0.25px;
    text-align: left;
    color: #cccccc;
    display: inline-block;
    padding: 0;
    cursor: pointer;
  }

  .see-more-text {
    top: 38px;
  }
  .see-more-text h3 {
    font-size: 15px;
    font-weight: 300;
    font-stretch: normal;
    font-style: normal;
    line-height: 1.47;
    letter-spacing: -0.38px;
    text-align: center;
    color: #ffffff;
  }

  .smart_section2 .swiper-slide {
    width: 156px;
    height: 221px;
  }

  .smart_section2 .swiper-slide:last-child {
    margin-right: 0;
  }
  .smart-img {
    width: 158px;
    height: 140px;
  }

  .smart-img img {
    width: 100%;
    height: 100%;
  }

  .sd_Gbg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
  }
  .sd_Txt1 {
    position: absolute;
    bottom: 51px;
    margin: 0;
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    font-style: normal;
    line-height: 1.64;
    letter-spacing: -0.35px;
    text-align: left;
    color: #ffffff;
  }
  .sd_Txt2 {
    position: absolute;
    bottom: 15px;
    overflow: hidden;
    width: 95px;
    height: 35px;
    font-size: 12px;
    font-weight: normal;
    font-stretch: normal;
    font-style: normal;
    line-height: 1.5;
    letter-spacing: -0.3px;
    text-align: left;
    color: #999999;
  }
  .smart-text {
    text-align: left;
    position: absolute;
    left: 20px;
    top: 105px;
  }
  .smart-text h6,
  .smart-text p {
    display: inline-block;
    font-size: 10px;
    font-weight: 300;
    font-stretch: normal;
    font-style: normal;
    line-height: 2.4;
    letter-spacing: -0.25px;
    text-align: left;
    color: #ffffff;
  }

  .smart_section2 .swiper-button-next {
    background: url(../img/top/mo_right-arrow.png) no-repeat;
    width: 30px;
    height: 30px;
    background-size: cover;
    /* right: -24px; */
    left: auto;
  }
  .smart_section2 .swiper-button-next.swiper-button-disabled {
    background: url(../img/top/mo_right-arr-dis.png) no-repeat;
    opacity: 1;
    background-size: cover;
  }

  .smart_section2 .swiper-button-prev {
    background: url(../img/top/mo_left-arrow.png) no-repeat;
    width: 30px;
    height: 30px;
    background-size: cover;
    /* left: -24px; */
    right: auto;
  }

  .smart_section2 .swiper-button-prev.swiper-button-disabled {
    background: url(../img/top/mo_left-arr-dis.png) no-repeat;
    opacity: 1;
    background-size: cover;
  }

  .see-more-card .smart-bg {
    display: none;
  }

  .see-more-card .m-smart-bg {
    display: inline-block;
  }

  /* 상세 */
  .smart-main-color .video_bg {
    right: 0;
    top: 0;
    min-width: 100%;
    min-height: 100%;
    height: 100%;
  }
  .detail_section {
    width: 100%;
    max-width: 1260px;
  }

  .chapter__bx {
    padding: 20px 24px 0 24px;
  }
  .chapter {
    width: 32px;
    height: 18px;
    background-color: #252525;
    font-size: 10px;
    font-weight: normal;
    line-height: 3.2;
    letter-spacing: -0.25px;
    text-align: center;
    color: #b72933;
    padding: 2px 6px;
  }
  .sir {
    font-size: 12px;
  }

  .study_subject {
    padding: 12px 24px 4px 24px;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.5;
    letter-spacing: -0.75px;
    text-align: left;
    color: #ffffff;
  }

  .sub_subject {
    font-size: 13px;
    padding: 0 24px;
  }

  .sub_subject {
    margin-bottom: 40px;
  }

  .wrap {
    width: 100%;
  }

  .lecture_list {
    display: flex;
  }

  .lecture_list > li {
    cursor: pointer;
    margin-right: 25px;
    padding-bottom: 9px;
    font-size: 18px;
    text-align: center;
    color: #fff;
    width: 30%;
  }
  .lecture_list > li.active {
    border-bottom: 2px solid #b72933;
  }
  .lecture_list > li:last-child {
    margin-right: 0;
  }
  .chapter_tt {
    position: sticky;
    padding: 18px 0 18px 24px;
    font-size: 16px;
    font-weight: 500;
    color: #fff;
    border-top: 1px solid #262626;
    transition: all 0.3s cubic-bezier(0.19, 1, 0.22, 1);
  }

  .chapter_tt h4 {
    font-size: 16px;
    line-height: 1;
    letter-spacing: -0.5px;
    text-align: left;
    color: #ffffff;
  }

  .chapter_info > ul > li {
    padding: 20px 24px;
    border-top: 1px solid #262626;
    background-color: #101010;
    font-size: 12px;
    width: 100%;
  }
  .chapter_list li {
    padding: 30px 34px;
  }
  .chapter_list h4 {
    font-size: 14px;
    font-weight: 500;
    padding-right: 29px;
    line-height: 3;
  }

  .description {
    padding: 20px;
  }

  .m-book_icon {
    display: block;
  }

  .pc-book_icon {
    display: none;
  }

  .book {
    margin-right: 7px;
  }
  .book img {
    width: 84px;
    height: 110px;
  }
  .book_text h4 {
    margin-top: 15px;
    font-size: 16px;
  }
  .book_text > div:nth-child(2) {
    margin: 10px 0 5px;
  }
  .book_title_sub {
    margin-right: 20px;
    font-size: 12px;
  }
  .book_txt_sub {
    font-size: 12px;
  }
  .list_text {
    width: 85%;
  }
  .chapter_list .list_text + div {
    float: left;
  }
  .head > .head_inner > ol > li.free {
    display: none;
  }

  #tabs1,
  #tabs2,
  #tabs3,
  #tabs4,
  #tabs5,
  #tabs6 {
    margin-top: 7px;
  }
  .tabLink {
    font-size: 16px;
  }
  .tabLink::after {
    margin: 0px 10px 0px;
    width: 1px;
    height: 10px;
  }
}

@media (min-width: 320px) and (max-width: 430px) {
  .chapter_list li {
    padding: 20px;
  }
  .chapter_list h4 {
    padding-right: 20px;
  }
  .chapter_list .list_text + div {
    float: left;
  }
  .list_text {
    width: 85%;
  }
}

@media (max-width: 320px) {
  .chapter__bx {
    padding: 20px 20px 0 20px;
  }
  .study_subject {
    padding: 12px 20px 4px 20px;
  }
  .sub_subject {
    margin-bottom: 30px;
  }

  .chapter_list .list_text + div {
    float: left;
  }
  .book {
    margin-right: 0;
  }
  .lecture_list > li {
    margin-right: 15px;
  }
  .description {
    padding: 20px 0px 20px 0px;
  }
}