@charset "utf-8";

.page-content {
}

/* sub02-- 공통 */

/* video */
.meta-fab-video-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 18px;
  overflow: hidden;
  background: #000;
  margin-top: 1rem;
}

.meta-fab-video-wrap video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  border: none;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  cursor: pointer;
  transition: background 0.2s;
}

.video-play-btn:hover {
  background: rgba(0, 0, 0, 0.8);
}

.video-play-btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-40%, -50%);
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
  border-left: 20px solid #fff;
}

/* ✅ 원형 체크 아이콘 */
.nint-check-icon {
  position: absolute;
  left: 10px;
  width: 16px;
  height: 16px;
  background-color: var(--color-primary90);
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  box-sizing: border-box;
}

.nint-check-icon::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 4px;
  height: 8px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* 교육 프로그램 리스트 스타일 */

.edu-program-list {
  padding: 100px 0 70px;
  background-color: #fff;
}

.edu-program-list-wrap {
  width: 100%;
}

.edu-program-list-con {
  display: flex;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  list-style: none;
  list-style: none;
  padding: 0;
  margin: 0;
  width: 100%;
}
.edu-program-list-con li {
  display: flex;
  align-items: flex-start;
  gap: 40px;
  padding: 40px;
  transition: all 0.3s ease;
  width: 100%;
}

.program-image {
  position: relative;
  width: 200px;
  height: 200px;
  flex-shrink: 0;
  border-radius: 8px;
  overflow: hidden;
}

.bg-placeholder {
  background-color: #f8f8f8;
}

.program-image {
  position: relative;
  display: inline-block;
  flex: 0 0 400px;
  height: 300px;
  border-radius: 12px;
  overflow: hidden;
}

.program-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
}
.program-image-meta-tag {
  position: absolute;
  bottom: 20px;
  left: 50%;
  background-color: #000;
  color: #ff00a0;
  border: 3px solid #ff0;
  border-radius: 999px;
  padding: 5px 16px 6px 34px;
  font-size: 20px;
  font-weight: bold;
  line-height: 1.5;
  display: inline-flex;
  align-items: center;
  z-index: 10;
  transform: translate(-50%, 0);
}

.program-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  width: 100%;
}
.program-info-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 15px;
}
.program-info h4 {
  font-size: 24px;
  font-weight: 700;
  color: #000;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.status-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  background-color: var(--color-primary);
  color: #fff;
  font-size: 13px;
  border-radius: 4px;
  height: 24px;
  font-weight: 500;
  margin-left: 8px;
  flex-shrink: 0;
  position: relative;
  top: 0px;
}

.program-info p {
  margin: 0;
  word-break: keep-all;
}

.program-detail-wrap {
  margin-top: 25px;
  width: 100%;
}
.program-detail {
  margin: 0;
  padding: 0;
  width: 100%;
}
.program-detail dt {
  font-weight: 600;
  color: #000;
  margin-bottom: 10px;
  position: relative;
  padding-left: 12px;
}
.program-detail-02 dt {
  font-weight: 600;
  color: #000;
  margin-bottom: 10px;
  padding-left: 12px;
  font-size: 18px;
}
.program-detail dt:before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-65%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: #000;
}
.program-detail dd {
  margin: 0;
  padding-left: 12px;
}
.program-detail dd ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.program-detail dd ul li {
  position: relative;
  padding: 0;
  margin: 0 0 5px 0;
  font-size: 16px;
  letter-spacing: -0.025em;
  color: #666;
  font-weight: 500;
  line-height: 26px;
  width: 100%;
  border: none;
  background: none;
  box-shadow: none;
}
.program-detail dd ul li.process-step {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  padding: 8px 12px;
  background: #f8f9fa;
  border-radius: 4px;
}
.program-detail dd ul li.process-step:not(:last-child)::after {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-top: 2px solid #666;
  border-right: 2px solid #666;
  transform: rotate(45deg);
  margin-left: auto;
}
.program-detail dd ul li:last-child {
  margin-bottom: 0;
}

.edu-program-list-main-title {
  /* margin-top: 100px; */
  text-align: left;
}

.board_status {
  display: flex;
  margin-top: 25px;
}
.board_status span {
  display: inline-block;
  height: 29px;
  border-radius: 15px;
  font-size: 13px;
  font-weight: 600;
  line-height: 27px;
  border: 1px solid #cd3679;
  padding: 0 10px;
  color: #cd3679;
  margin-right: 5px;
}

.edu-program-subject-wrap {
  margin: 0 auto 70px;
}
.edu-target-sub-title {
  padding-top: 25px;
}
.edu-target-list {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin: 48px 0 40px;
  flex-wrap: wrap;
}
.edu-target-item {
  background: #fff;
  border: 2px solid #e0e0e0;
  border-radius: 18px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
  padding: 32px;
  max-width: 320px;
  flex: 1 1 280px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition:
    box-shadow 0.2s,
    border-color 0.2s;
}
.edu-target-item:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(197, 16, 100, 0.1);
}
.edu-target-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}
.edu-target-desc {
  list-style: none;
  padding: 0;
  margin: 0;
}
.edu-target-desc li {
  font-size: 18px;
  font-weight: 600;
  line-height: 22px;
  color: #000000;
  margin-bottom: 10px;
  padding-left: 18px;
  position: relative;
}

.edu-target-desc li:last-child {
  margin-bottom: 0;
}
.edu-target-desc li:before {
  content: "\2022";
  color: var(--color-primary);
  position: absolute;
  left: 0;
  font-size: 18px;
  top: 0%;
}

.edu-target-contact {
  margin-top: 48px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  padding: 28px 32px;
  text-align: left;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.contact-title {
  font-size: 17px;
  font-weight: 600;
  color: #222;
  margin-bottom: 12px;
}
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 15px;
  color: #555;
}
.contact-email {
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: 4px;
}

/* 프로세스 다이어그램 스타일 */
.process-title {
  padding: 7px 10px;
  font-weight: 600;
  margin: 12px 0;
  font-size: 15px;
  white-space: nowrap;
  background: var(--color-postech-sub30);
  border-radius: 0.2rem;
}
.process-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  padding: 20px;
  background: linear-gradient(to right, #f8f9fa, #ffffff);
  border-radius: 12px;
  position: relative;
  margin: 10px 0;
}

.process-flow::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--color-primary90), #fcb83e);
  border-radius: 4px;
  opacity: 0.7;
}
.process-step {
  position: relative;
  padding: 10px 40px 10px 16px;
  background: #fff;
  border: 1px solid #e9ecef;
  border-radius: 8px;
  color: #333;
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  min-width: 120px;
  max-width: 100%;
  word-break: keep-all;
}
.process-step:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.process-step::after {
  content: "";
  position: absolute;
  right: 14px;
  top: 50%;
  width: 6px;
  height: 6px;
  border-top: 2px solid var(--color-postech-sub90);
  border-right: 2px solid var(--color-postech-sub90);
  transform: translateY(-50%) rotate(45deg);
  transition: all 0.3s ease;
}
.process-step:last-child {
  padding-right: 16px;
}
.process-step:last-child::after {
  display: none;
}

@media screen and (max-width: 1024px) {
  .process-flow {
    padding: 16px;
    gap: 10px;
  }
  .process-step {
    padding: 8px 35px 8px 14px;
    font-size: 13px;
    min-width: 100px;
  }
  .process-step::after {
    right: 12px;
  }
} /* ==end */

@media screen and (max-width: 767px) {
  .process-flow {
    padding: 12px;
    gap: 8px;
  }
  .process-step {
    padding: 6px 30px 6px 12px;
    font-size: 12px;
    min-width: auto;
  }
  .process-step::after {
    right: 10px;
    width: 5px;
    height: 5px;
  }
  .process-step:last-child {
    padding-right: 12px;
  }
} /* ==end */

/* 교육 서브 페이지 스타일 */
.edu-sub0401 {
  margin-bottom: 100px;
}

.edu-sub0401-wrap {
  margin: 0 auto;
}

.edu-sub-main-title-img {
  position: relative;
  width: 100%;
  height: 430px;
  margin-bottom: 60px;
  overflow: hidden;
  border-radius: 1rem;
  background: #f6f7fa;
}
.edu-sub-main-title-img img {
  width: 112%;
  height: 112%;
  object-fit: cover;
}

.title-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 30px 40px;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.02) 5%,
    rgba(0, 0, 0, 0.8) 95%
  );
  text-align: left;
  color: #fff;
}

.title-overlay .label {
  display: inline-block;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
  padding-left: 0px;
}
.title-overlay h3 {
  font-size: 2.8rem;
  font-weight: 500;
  margin: 0;
  text-shadow: 1px 1px 13px #000;
  letter-spacing: -0.02em;
  word-spacing: -0.03em;
}

/* 태블릿 화면 (1024px 이하) */
@media screen and (max-width: 1024px) {
  .edu-sub0401 {
    margin-bottom: 50px;
  }
  .edu-sub-main-title-img {
    height: 350px;
    margin-bottom: 50px;
  }
  .title-overlay {
    padding: 30px;
  }
  .title-overlay h3 {
    font-size: 2.4rem;
  }
} /*===end*/

/* 모바일 화면 (767px 이하) */
@media screen and (max-width: 767px) {
  .edu-sub-main-title-img {
    height: 250px;
    margin-bottom: 40px;
    border-radius: 0.7rem;
  }
  .title-overlay {
    padding: 20px;
  }
  .title-overlay .label {
    font-size: 14px;
    margin-bottom: 5px;
  }
  .title-overlay h3 {
    font-size: 24px;
  }
} /*===end*/

.edu-sub0401-diagram {
  padding: 0px 0 80px;
  background-color: #f5f5f575;
  border-radius: 1rem;
}
.edu-sub0401-diagram-wrap {
  margin: 0 auto;
  padding: 0 10px;
}
.diagram-container {
  position: relative;
  height: 700px;
  padding-top: 80px;
}
.diagram-main {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.diagram-circles {
  position: relative;
  display: flex;
  justify-content: center;
  margin: 80px 0;
  gap: 0;
  z-index: 1;
}
.diagram-lists {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 20px;
}

.diagram-side {
  width: 265px;
}

.connection-lines {
  width: 100%;
  text-align: center;
}
.connection-lines.top {
  margin-bottom: 40px;
}
.connection-lines.bottom {
  margin-top: 40px;
}
.connection-lines .line p {
  display: inline-block;
  background-color: rgba(255, 255, 255, 0.95);
  color: #000;
  padding: 12px 30px;
  border-radius: 8px;
  font-size: 16px;
  margin: 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  font-weight: 600;
}

.diagram-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.diagram-list li {
  position: relative;
  padding: 8px 8px 8px 55px;
  color: #000;
  font-size: 16px;
  line-height: 1.6;
  transition: all 0.3s ease;
  margin-bottom: 8px;
  font-weight: 600;
  background: #fff;
  border-left: 3px solid var(--color-secondary50);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}
.diagram-list li:last-child {
  margin-bottom: 0;
}
.diagram-list li:hover {
  color: var(--color-primary);
  transform: translateX(5px);
}
.diagram-list li span {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  min-width: 40px;
  padding: 2px 4px;
  font-size: var(--label-sm);
  color: var(--color-primary);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.diagram-list li:hover span {
  color: var(--color-primary);
}

.circle {
  width: 350px;
  height: 350px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #fff;
  text-align: center;
  transition: all 0.3s ease;
  mix-blend-mode: multiply;
}
.circle.active {
  border: 4px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 0 0 8px rgba(197, 16, 100, 0.3);
}
.circle:hover {
  transform: scale(1.05);
  z-index: 1;
  mix-blend-mode: normal;
}
.circle.left {
  position: relative;
  z-index: 2;
  background-color: rgba(197, 16, 100, 0.85);
  box-shadow: 0 10px 20px rgba(197, 16, 100, 0.2);
  margin-right: -30px;
}
.circle.right {
  margin-left: -30px;
  background-color: rgba(255, 179, 0, 0.85);
  box-shadow: 0 10px 20px rgba(255, 179, 0, 0.2);
}

.circle .icon {
  width: 60px;
  height: 60px;
  margin-bottom: 20px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  padding: 15px;
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}
.circle .icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: brightness(0) invert(1);
}
.circle h3 {
  font-size: 30px;
  line-height: 1.2;
  padding: 8% 0 0;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  position: relative;
  z-index: 2;
  width: 90%;
  letter-spacing: -0.01em;
  max-width: 250px;
}
.circle h3 span {
  display: block;
  font-size: var(--title-sm);
  margin-top: 10px;
  opacity: 0.8;
}

.overlap-text {
  position: absolute;
  left: 49.5%;
  top: 110%;
  transform: translate(-50%, -50%);
  background: linear-gradient(135deg, #cd3679, #fcb83e);
  color: #fff;
  padding: 15px 25px;
  border-radius: 10px;
  text-align: center;
  z-index: 2;
}
.overlap-text::before {
  content: "";
  position: absolute;
  top: -92%;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 90%;
  background: repeating-linear-gradient(
    to bottom,
    var(--color-primary70) 0,
    var(--color-primary70) 4px,
    transparent 4px,
    transparent 8px
  );
}
.overlap-text p {
  font-size: var(--title-sm);
  line-height: 1.4;
  margin: 0;
  font-weight: var(--font-bold);
}

/* 태블릿 & 모바일 화면 (1280px 이하) - 다이어그램만 */
@media screen and (max-width: 1280px) {
  .edu-sub0401-diagram {
    padding: 0 0 60px;
  }
  .diagram-container {
    height: auto;
    padding: 40px 0;
  }
  .diagram-main {
    margin-bottom: 40px;
  }
  .diagram-circles {
    margin: 60px 0;
    position: relative;
  }
  .circle {
    width: 300px;
    height: 300px;
  }
  .circle .icon {
    width: 45px;
    height: 45px;
    margin-bottom: 12px;
  }
  .circle h3 {
    font-size: 20px;
  }
  .circle h3 span {
    font-size: var(--title-xs);
  }

  .overlap-text p {
    font-size: var(--title-xs);
  }
  .overlap-text::before {
    top: -80%;
    height: 81%;
  }
  .diagram-lists {
    position: static;
    transform: none;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    margin-top: 40px;
    width: 80%;
    margin-left: auto;
    margin-right: auto;
  }
  .diagram-side {
    width: 100%;
    max-width: none;
  }
  .connection-lines.top {
    margin-bottom: 1.5em;
  }
  .connection-lines.bottom {
    margin-top: 3em;
  }
  .connection-lines .line p {
    max-width: 400px;
  }
  .diagram-list li {
    padding-left: 55px;
  }
  .diagram-list li span {
    min-width: 35px;
  }
} /*===end*/

/* 모바일 화면 (767px 이하) */
@media screen and (max-width: 767px) {
  .edu-sub0401-diagram {
    padding: 0 0 40px;
  }
  .diagram-container {
    padding: 30px 0;
  }
  .diagram-main {
    margin-bottom: 30px;
  }
  .diagram-circles {
    margin: 30px 0 80px;
  }
  .circle {
    width: 50vw;
    height: 50vw;
  }
  .circle.left {
    margin-right: -20px;
  }
  .circle.right {
    margin-left: -20px;
  }
  .circle .icon {
    width: 40px;
    height: 40px;
    margin-bottom: 10px;
  }
  .circle h3 {
    max-width: 200px;
    width: 58%;
  }
  .circle h3 span {
    font-size: var(--label-md);
  }

  .overlap-text {
    padding: 10px 15px;
  }

  .overlap-text p {
    font-size: var(--label-md);
  }

  .diagram-lists {
    gap: 10px;
    margin-top: 30px;
    width: 100%;
  }

  .diagram-list li {
    padding-left: 45px;
  }
  .diagram-list li span {
    min-width: 30px;
  }

  .connection-lines.top {
    margin-bottom: 20px;
  }

  .connection-lines.bottom {
    margin-top: 20px;
  }

  .connection-lines .line p {
    padding: 8px 15px;
    max-width: 100%;
  }
} /*===end*/

.diagram-list li.type-public {
  border-left-color: var(--color-primary);
}
.diagram-list li.type-institution {
  border-left-color: #fdbc4d;
}

.diagram-list li.type-contractual {
  border-left-color: #d1890c;
}

.diagram-legend {
  margin-top: 140px;
  text-align: center;
}

/* sub0401_01만 */
.diagram-legend.sub0401_01 {
  margin-top: 0px;
}

.legend-list {
  display: inline-flex;
  gap: 30px;
  list-style: none;
  padding: 0;
  margin: 0;
  background: #fff;
  border-radius: 8px;
  padding: 15px 30px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.legend-list li {
  display: flex;
  align-items: center;
  gap: 10px;
}
.legend-list .color-box {
  width: 16px;
  height: 16px;
  border-radius: 3px;
}
.legend-list p {
  margin: 0;
  font-size: 16px;
  color: #000;
  font-weight: 600;
}

.legend-list .type-public .color-box {
  background-color: var(--color-primary);
}
.legend-list .type-institution .color-box {
  background-color: #fdbc4d;
}

.legend-list .type-contractual .color-box {
  background-color: #d1890c;
}

@media screen and (max-width: 1024px) {
  .diagram-legend {
    margin-top: 30px;
  }
  .legend-list {
    gap: 20px;
    padding: 12px 20px;
  }
} /*===end*/

@media screen and (max-width: 767px) {
  .diagram-legend {
    margin-top: 20px;
  }

  .legend-list {
    flex-direction: column;
    gap: 10px;
    padding: 10px 15px;
  }

  .legend-list .color-box {
    width: 14px;
    height: 14px;
  }
} /*===end*/

/* 교육 시설 슬라이드 스타일 (box-shadow 제거, pagination 하단, 이미지 높이 조정) */
.edu-facilities-slider-wrap {
  width: 100%;
  margin: 48px auto 0;
  padding: 0;
  border-radius: 1rem;
  overflow: hidden;
}
.edu-facilities-swiper {
  width: 100%;
  padding-bottom: 0;
}
.swiper-slide.facility-slide {
  width: 100% !important;
  height: auto;
  min-width: 100%;
  max-width: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  position: relative;
  overflow: hidden;
}
.facility-img {
  position: relative;
  width: 100%;
  height: auto;
  object-fit: cover;
  z-index: 1;
  background: #f6f7fa;
  pointer-events: none;
  border-radius: 1rem;
}

.facility-title {
  font-size: 2.8rem;
  font-weight: 500;
  color: #fff;
  text-shadow: 2px 2px 8px #000;
  padding: 0 0 30px 35px;
  letter-spacing: -0.02em;
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  pointer-events: none;
  display: flex;
  align-items: flex-end;
}
.edu-facilities-swiper .swiper-pagination {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 12px;
  margin-top: 0;
  text-align: center;
  z-index: 10;
}
.swiper-pagination-bullet {
  width: 12px;
  height: 12px;
  background: var(--color-silver5);
  opacity: 1;
  margin: 0 4px !important;
  border-radius: 50px;
  transition:
    background 0.2s,
    width 0.3s;
  display: inline-block;
}
.swiper-pagination-bullet-active {
  background: var(--color-primary);
  width: 32px;
  border-radius: 8px;
}

/* 교육 시설 현황 표 스타일 */
.edu-facillities-info-detail-item-table {
  overflow: auto;
}
.facilities-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-size: 16px;
  border-top: 1px solid var(--color-table-main-bd);
  border-bottom: 1px solid var(--color-table-main-bd);
  min-width: 767px;
}
.facilities-table thead th {
  background: var(--color-table-th);
  color: var(--color-table-main-txt);
  font-weight: 700;
  font-size: 16px;
  padding: 14px 10px;
  border-bottom: 1px solid var(--color-table-main-bd);
  text-align: center;
}
.facilities-table thead th:not(:first-child) {
  border-left: 1px solid var(--color-table-main-bd);
}
.facilities-table tbody td {
  background: #fff;
  color: var(--color-table-txt);
  font-size: 16px;
  padding: 16px 22px;
  border-bottom: 1px solid var(--color-table-sub-bd);
  vertical-align: top;
  text-align: center;
  font-weight: 600;
}
.facilities-table tbody tr td:not(:first-child) {
  border-left: 1px solid var(--color-table-sub-bd);
}
.facilities-table tbody td.tb-li {
}
.facilities-table tbody td.sub-tit {
  color: var(--color-table-main-txt);
  font-weight: 600;
}
.facilities-table tbody tr:last-child td {
  border-bottom: none;
}

.facilities-table ul {
  list-style: disc inside;
  margin: 0;
  padding-left: 0;
  text-align: left;
}
.facilities-table li {
  position: relative;
  color: #666;
  line-height: 1.7;
  margin-bottom: 2px;
  list-style: none;
  padding-left: 10px;
}
.facilities-table li::before {
  position: relative;
  content: "";
  clear: both;
  display: inline-block;
  width: 3px;
  height: 3px;
  margin-top: -2px;
  left: -2px;
  top: 0;
  margin-right: 7px;
  background: #000;
  vertical-align: middle;
}
.facilities-table li:last-child {
  margin-bottom: 0;
}
.facilities-table li.faclility_ci {
  list-style: none;
  display: flex;
  gap: 5px;
  align-items: center;
}
.facilities-table li.faclility_ci::before {
  display: none;
}
.facilities-table li.faclility_ci img {
  min-width: 85px;
  width: 20%;
  max-width: 110px;
}

/* 시설 안내 정보 영역 스타일 */
.edu-facilities-info-wrap {
  width: 100%;
  padding: 60px 0;
  margin: 0 auto;
}
.edu-facillities-info-detail {
  padding-top: 40px;
}
.edu-facillities-info-detail-item-title {
  position: relative;
  padding: 10px;
}
.edu-facillities-info-detail-item-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 44.4%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: #000;
}

.info-title-index {
  font-size: 1.2em;
  font-weight: 900 !important;
  color: var(--color-primary);
  line-height: 1.2;
  display: inline-block;
  vertical-align: middle;
  margin-top: -0.12em;
  letter-spacing: -0.01em;
}
/* =====================
 장비 & 전문인력 2분할 상단 레이아웃
 ===================== */
.edu-equipment-personnel {
}

.equipment-personnel-grid {
  display: flex;
  gap: 1rem;
  padding: 2rem 0 0;
}

.equipment-img-box {
  flex-basis: 62%;
  max-width: 62%;
  min-width: 0;
  background: linear-gradient(135deg, #f6f7fa 60%, #f9f6e7 100%);
  border-radius: 18px;
  position: relative;
  overflow: hidden;
  min-height: 390px;
  max-height: 450px;
}
.equipment-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  min-height: 250px;
}
.personnel-img-box {
  align-self: self-start;
  display: flex;
  align-items: stretch;
  flex-basis: 38%;
  max-width: 38%;
  min-width: 0;
  background: linear-gradient(135deg, #f9f6e7 60%, #f6f7fa 100%);
  border-radius: 18px;
  position: relative;
  overflow: hidden;
  min-height: 390px;
  max-height: 450px;
}
.personnel-img-box img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.img-overlay {
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  background: rgba(0, 0, 0, 0.3);
  z-index: 2;
  padding: 32px;
  top: 0;
  left: 0;
}
.overlay-title {
  color: #fff;
  font-size: 2.8rem;
  font-weight: 500;
  text-shadow: 2px 2px 8px #222;
  letter-spacing: -0.02em;
  line-height: 1.25em;
}
.edu-equipment-desc {
  font-size: 1.08rem;
  color: #666;
  line-height: 1.8;
}
.edu-equipment-desc b {
  color: #222;
}

/* =====================
 장비 3x3 그리드 및 카드 스타일
 ===================== */
.edu-equipment-list {
  margin: 60px 0 40px 0;
}

.equipment-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 2em 0 0;
}

.equipment-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.07);
  background: #fff;
  transition: box-shadow 0.2s;
  cursor: pointer;
}

.equipment-img-wrap {
  position: relative;
  width: 100%;
  height: 25em;
  overflow: hidden;
}
.equipment-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s;
}
.equipment-hover-info {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.68);
  color: #fff;
  opacity: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px 18px;
  transition: opacity 0.3s;
  z-index: 2;
}

.equipment-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.2em;
}
.equipment-title span {
  font-size: 0.75em;
  font-weight: 400;
  opacity: 0.8;
}
.equipment-desc {
  font-size: 1.05rem;
  line-height: 1.5;
  margin-top: 12px;
  font-weight: 600;
}
.equipment-card:hover .equipment-hover-info {
  opacity: 1;
}
.equipment-card:hover img {
  transform: scale(1.07);
}

/* 장비 설명 전체 래퍼 여백 */
.edu-equipment-desc-wrap {
  padding: 60px 0;
}
.edu-equipment-desc-caption {
  font-size: 0.97em;
  color: #666;
  display: block;
}
.edu-equipment-diagram-img {
  position: relative;
  margin: 2.2em auto;
  text-align: center;
  width: 80%;
  cursor: pointer;
}
.edu-equipment-diagram-img img {
  width: 100%;
  background: #f6f7fa;
  border-radius: 12px;
  min-height: 180px;
  display: inline-block;
}

/* 모바일 전용 버튼 (초기 hidden) */
.view-large-btn {
  display: none;
  position: absolute;
  top: 3em;
  right: 2em;
  padding: 8px 12px;
  background: var(--color-primary);
  color: #fff;
  font-weight: bold;
  border-radius: 4px;
  font-size: 14px;
  z-index: 2;
}

/* PC에서 마우스 따라다니는 레이블 */
.zoom-label {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  padding: 4px 8px;
  background: #c51065d7;
  color: #fff;
  font-weight: bold;
  border-radius: 4px;
  font-size: 13px;
  pointer-events: none;
  white-space: nowrap;
  z-index: 10;
}

/* 모달 오버레이 */
.img-diagram-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.img-diagram-modal.open {
  display: flex;
}

.img-diagram-modal-content {
  position: relative;
  max-width: 90%;
  height: 90%;
  overflow-x: scroll;
  overflow-y: hidden;
  border-radius: 1rem;
}
.img-diagram-modal-content img {
  width: auto;
  height: 100%;
  display: block;
  min-width: 950px;
  background: #ffff;
  cursor: grab;
}
.img-diagram-modal-content.grabbing {
  cursor: grabbing;
}
.img-diagram-modal-close {
  position: absolute;
  top: 0px;
  right: 0px;
  font-size: 2em;
  color: #666;
  cursor: pointer;
  user-select: none;
  z-index: 1;
  padding: 0.1em 0.5em;
}
.img-diagram-modal-close:hover {
  color: var(--color-primary);
}

@media (max-width: 1024px) {
  .img-diagram-modal-content {
    height: 80%;
  }
  .img-diagram-modal-close {
    position: fixed;
    color: #fff;
  }
} /* ==end */

/* 05 교육 인프라 섹션 스타일 */
.edu-infra-expert-wrap {
  padding: 60px 0;
  margin: 0;
}
.edu-infra-expert-list {
  list-style: none;
  padding: 20px 0 0;
  margin: 0;
}
.edu-infra-expert-list li {
  font-size: 16px;
  color: #666;
  margin-bottom: 10px;
  padding-left: 5px;
  position: relative;
  line-height: 1.7;
  font-weight: 600;
}
.edu-infra-expert-list li:last-child {
  margin-bottom: 0;
}

.edu-infra-expert-contact {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  padding: 24px 28px;
  text-align: left;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.contact-title {
  font-size: 1.08rem;
  font-weight: 600;
  color: #222;
  margin-bottom: 10px;
}
.contact-info {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 1rem;
  color: #555;
}
.contact-info li {
  margin-bottom: 4px;
}
.contact-info li:last-child {
  margin-bottom: 0;
}

/* META-FAB 페이지 스타일 */
.meta-fab-main {
  margin: 60px 0;
}
.meta-fab-title {
  font-size: 2rem;
  font-weight: 700;
  color: #222;
  margin-bottom: 24px;
  line-height: 1.4;
}

.meta-fab-section {
  margin: 60px 0;
}

.meta-fab-video-placeholder {
  width: 100%;
  height: 400px;
  background: rgba(0, 0, 0, 0.03);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 40px 0;
  border-radius: 12px;
}
.meta-fab-video-placeholder p {
  color: #888;
  font-size: 1.1rem;
  margin: 0;
}

.meta-fab-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin: 32px 0;
}
.meta-fab-grid-item {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}
.meta-fab-grid-item img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}
.meta-fab-grid-text {
  padding: 24px;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
}
.meta-fab-grid-text h4 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 12px;
}

/* 교육 도우미 페이지 스타일 */
.edu-notice-section,
.edu-faq-section {
  margin: 80px 0;
}

/* 통합 */
@media screen and (max-width: 1024px) {
  .nint-check-icon {
    width: 14px;
    height: 14px;
    left: 8px;
  }
  .nint-check-icon::after {
    left: 3px;
    top: 1px;
    width: 3px;
    height: 6px;
  }

  .edu-program-list-con li {
    flex-direction: column;
    gap: 30px;
    padding: 40px 0;
  }
  .program-image {
    width: 100%;
  }
  .program-image-meta-tag {
    right: 10px;
    left: auto;
    transform: unset;
  }
  .process-title {
    margin-bottom: 0;
  }
  .program-detail dd ul li:last-child {
    gap: 0;
  }
  .program-info {
    width: 100%;
  }

  .edu-program-subject {
    padding: 60px 0 40px;
  }
  .edu-target-list {
    align-items: stretch;
    gap: 24px;
  }
  .edu-target-item {
    width: 100%;
    max-width: 420px;
    min-width: 0;
    align-items: flex-start;
    padding: 30px 20px;
    border-radius: 14px;
  }
  .edu-target-title {
    font-size: 16px;
    margin-bottom: 12px;
  }
  .edu-target-desc li {
    font-size: 15px;
    padding-left: 15px;
  }

  /* 교육 시설 슬라이드 스타일 === 1024px */
  .edu-facilities-slider-wrap {
    max-width: 100%;
    padding: 0 10px;
  }

  .swiper-slide.facility-slide {
    min-height: 300px;
    border-radius: 24px;
  }
  .facility-title {
    font-size: 1.4rem;
    padding: 0 0 18px 18px;
  }
  .edu-facilities-swiper .swiper-pagination {
    bottom: 8px;
  }

  /* 교육 시설 현황 표 스타일 === 1024px */
  .facility-title {
    font-size: 2.4rem;
    padding: 0 0 23px 28px;
  }
  .facilities-table,
  .facilities-table thead th,
  .facilities-table tbody td {
    font-size: 15px;
    padding: 16px 10px;
  }

  /* 시설 안내 정보 영역 스타일 === 1024px */
  .edu-facilities-info-wrap {
    padding: 5rem 0rem 2rem;
  }

  /* 장비 & 전문인력 2분할 상단 레이아웃 === 1024px */
  .equipment-personnel-grid {
    gap: 0.7rem;
    padding: 1.7rem 0 0.7rem;
  }
  .equipment-img-box,
  .personnel-img-box {
    max-width: 100%;
  }

  .edu-equipment-desc-wrap {
    padding: 40px 0;
  }
  .edu-equipment-list {
    margin: 32px 0 24px 0;
  }
  .edu-equipment-diagram-img {
    width: 100%;
    margin: 1em auto;
  }
  .edu-equipment-desc-caption {
    font-size: 0.92em;
    margin-top: 4px;
  }

  /* 장비 3x3 그리드 및 카드 스타일 === 1024px*/
  .equipment-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  /* 05 교육 인프라 섹션 스타일 === 1024px */
  .edu-infra-expert-wrap {
    padding: 24px 10px;
    margin: 28px 0 18px 0;
    border-radius: 12px;
  }
  .edu-infra-expert-desc {
    font-size: 0.98rem;
    margin-bottom: 10px;
  }
  .edu-infra-expert-list li {
    font-size: 15px;
  }
  .edu-infra-expert-contact {
    padding: 14px 10px;
    border-radius: 8px;
  }
  .contact-title {
    font-size: 0.98rem;
  }
  .contact-info {
    font-size: 0.95rem;
  }

  /* META-FAB 페이지 스타일 ===== 1024px*/
  .meta-fab-title {
    font-size: 1.8rem;
  }
  .img-overlay {
    padding: 20px;
  }
  .overlay-title {
    font-size: 2.4rem;
  }
  .meta-fab-desc {
    font-size: 1rem;
  }

  .meta-fab-section-title {
    font-size: 1.3rem;
  }

  .meta-fab-content p {
    font-size: 1rem;
  }

  .meta-fab-video-placeholder {
    height: 300px;
  }

  .meta-fab-grid {
    grid-template-columns: 1fr;
  }

  .meta-fab-grid-item img {
    height: 200px;
  }

  /* FAQ 스타일 === 1024px */
  .edu-notice-section,
  .edu-faq-section {
    margin: 60px 0;
  }

  .board-table th,
  .board-table td {
    padding: 12px 8px;
    font-size: 14px;
  }

  .board-table .category {
    display: none;
  }
} /* ==end */

@media screen and (max-width: 767px) {
  .sub04-page-subtit h3 {
    font-size: 7.4vw;
  }
  .sub04-page-subtit .sub-description {
    font-size: 14px;
  }

  .nint-check-icon {
    width: 12px;
    height: 12px;
    left: 6px;
  }

  .nint-check-icon::after {
    left: 2px;
    top: 0px;
    width: 2.5px;
    height: 5px;
  }
  .edu-program-list-main-title {
    margin-bottom: 10px;
  }
  .edu-program-list-main-title h3 {
    font-size: 24px;
  }

  .program-info h4 {
    font-size: 20px;
  }

  .program-info p,
  .program-detail dd,
  .program-detail dd ul li {
    font-size: 14px;
  }
  .program-detail dd ul li {
    margin: 0;
    font-weight: 500;
  }
  .program-detail dt {
    font-size: 15px;
  }
  .info-title-index {
    letter-spacing: -0.01em;
  }
  .program-image {
    flex: 0 0 250px;
    height: 250px;
  }

  .program-image img {
    width: 100%;
    height: 120%;
    object-fit: cover;
  }

  .program-image-meta-tag {
    font-size: 13px;
    padding: 5px 13px 6px 24px;
  }
  .edu-program-subject {
    padding: 40px 0 20px;
  }

  .edu-target-list {
    flex-direction: column;
    align-items: center;
    gap: 24px;
  }

  .edu-target-item {
    border-radius: 8px;
    flex: 1 1 145px;
  }

  .edu-target-title {
    margin-bottom: 8px;
  }

  .edu-target-desc li {
    padding-left: 10px;
  }

  /* 교육 시설 슬라이드 스타일 === 767px */
  .edu-facilities-slider-wrap {
    margin: 28px auto 0;
    padding: 0 2px;
  }

  .swiper-slide.facility-slide {
    min-height: 250px;
    border-radius: 14px;
  }

  .facility-title {
    font-size: 24px;
    padding: 0px 0 17px 20px;
  }
  .facility-img {
    height: 100%;
    width: auto;
    min-height: 250px;
  }

  .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
  }
  .swiper-pagination-bullet-active {
    width: 18px;
    border-radius: 6px;
  }

  .edu-facilities-swiper .swiper-pagination {
    bottom: 4px;
  }

  /* 교육 시설 현황 표 스타일 === 767px */
  .edu-facillities-info-detail-item-table {
    padding-bottom: 10px;
  }
  /* 시설 안내 정보 영역 스타일 === 767px */
  .edu-facilities-info-wrap {
    padding: 3.5rem 0.5rem 0rem;
  }

  /* 장비 & 전문인력 2분할 상단 레이아웃 === 767px */
  .img-overlay {
    padding: 1.3em;
  }
  .overlay-title {
    font-size: 24px;
  }
  .equipment-personnel-grid {
    flex-direction: column;
  }
  .equipment-img-box {
    min-height: 250px;
  }
  .personnel-img-box {
    display: none;
  }
  .edu-equipment-desc-caption {
    font-size: 0.88em;
    margin-top: 2px;
  }

  /* 장비 3x3 그리드 및 카드 스타일 === 767px*/
  .equipment-grid {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 50px;
  }
  .equipment-hover-info {
    background: linear-gradient(0deg, #000000bd, transparent);
    opacity: 1;
    justify-content: flex-end;
  }
  .equipment-card:hover .equipment-hover-info {
    opacity: 1;
  }
  .equipment-card:hover img {
    transform: none;
  }

  .equipment-title {
    font-size: 1.9rem;
  }

  /* 05 교육 인프라 섹션 스타일 === 767px */
  .edu-infra-expert-wrap {
    padding: 10px 2px;
    margin: 12px 0 8px 0;
    border-radius: 7px;
  }

  .edu-infra-expert-contact {
    padding: 7px 3px;
    border-radius: 5px;
  }
  .contact-title {
    font-size: 0.92rem;
  }
  .contact-info {
    font-size: 0.9rem;
  }

  /* META-FAB 페이지 스타일 ===== 767px*/
  .meta-fab-video-wrap {
    margin-top: 0;
  }
  .meta-fab-video-placeholder {
    height: 200px;
  }
  .meta-fab-grid-item img {
    height: 160px;
  }

  .meta-fab-grid-text {
    padding: 16px;
  }

  .meta-fab-grid-text h4 {
    font-size: 1.1rem;
  }
  /* faq */
  .edu-notice-section,
  .edu-faq-section {
    margin: 40px 0;
  }
  .sub04-page-subtit .sub-description {
    font-size: 14px;
  }
} /* ==end */

/* 기본 설정 및 변수 선언 (이미지 2의 컬러 팔레트 적용) */
/* 전문적인 룩앤필을 위한 변수 설정 */
:root {
  --lab-gold: #d4af37; /* 차분한 메탈릭 골드 */
  --lab-dark: #222222; /* 텍스트용 다크 그레이 */
  --lab-gray: #888888; /* 서브 텍스트 */
  --lab-border-light: #eeeeee; /* 아주 얇고 밝은 경계선 */
  --bg-grid-color: rgba(0, 0, 0, 0.02); /* 배경 그리드 투명도 증가 */

  /* 포인트 컬러 (채도를 낮춰서 고급스럽게 유지) */
  --acc-vr: #5d5fef;
  --acc-mr: #f53c68;
  --acc-ar: #ff7823;
}

/* Pretendard 폰트 포함 (미리 로드되어 있다고 가정) */
.edu-tech-diagram {
  padding: 100px 0;
  background-color: #fff;
  background-image:
    linear-gradient(var(--bg-grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--bg-grid-color) 1px, transparent 1px);
  background-size: 20px 20px;
  font-family: "Pretendard", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.diagram-inner-wrap {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
  text-align: center;
}

/* 헤더 타이포그래피 */
.lab-title {
  font-size: 38px;
  font-weight: 800;
  color: var(--lab-dark);
  margin: 0;
  letter-spacing: -0.04em;
}
.lab-desc {
  font-size: 17px;
  color: var(--lab-gray);
  margin-top: 10px;
  font-weight: 500;
  line-height: 1.5;
}

.schematic-container {
  margin-top: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* 상단 프로세스 라인 (캡션) */
.process-line.top {
  background: #fff;
  border: 1px solid var(--lab-border-light);
  padding: 10px 25px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02); /* 그림자 약화 */
  z-index: 2;
  position: relative;
  margin-bottom: -28px; /* XR 박스 위로 더 바짝 붙도록 */
}

.proc-badge {
  font-size: 11px;
  font-weight: 700;
  background: #f0f0f0;
  padding: 4px 8px;
  border-radius: 2px;
  color: #555;
}
.proc-text {
  font-size: 14px;
  font-weight: 600;
  color: #333;
}

/* -----------------------------------------------------------
   [핵심 디자인] XR System Boundary (투명도 및 깔끔함)
   ----------------------------------------------------------- */
.xr-system-boundary {
  position: relative;
  width: 700px; /* 고정 크기로 깔끔하게 */
  height: 700px;
  border: 1px solid var(--lab-gold); /* 라인 두께 미세 조정 */
  border-radius: 50%; /* 완벽한 원형 */
  background: rgba(255, 255, 255, 0.7); /* 배경 투명도 증가 */
  backdrop-filter: blur(5px); /* 은은한 블러 효과 */
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.06); /* 그림자 깊이/투명도 조정 */
  transition: all 0.5s ease;
}

/* XR Intersection Badge (라인 중앙 상단에 걸치기) */
.xr-intersection-badge {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #fff;
  padding: 10px 30px;
  border: 1px solid var(--lab-gold); /* 라인 두께 통일 */
  border-radius: 50px;
  text-align: center;
  z-index: 10;
  min-width: 180px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05); /* 뱃지 자체의 그림자 */
}
.xr-intersection-badge .sys-code {
  display: block;
  font-size: 11px;
  color: var(--lab-gold);
  font-weight: 700;
  letter-spacing: 1.5px;
  margin-bottom: 3px;
}
.xr-intersection-badge .sys-title {
  font-size: 26px;
  color: #000;
  font-weight: 900;
  display: block;
  line-height: 1;
}

/* 모듈 구성 (VR-MR-AR) - 정교한 겹침 배치 */
.modules-composition {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

/* 개별 모듈 원형 스타일 */
.tech-module {
  position: absolute; /* 절대 위치로 정교하게 배치 */
  width: 250px; /* ★ VR/AR 크기 키우기 */
  height: 250px;
  border-radius: 50%;
  border: 1px solid var(--lab-border-light);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  z-index: 3; /* 기본 z-index */
}

/* Hover 효과 - 테두리 색상만 변경 */
.tech-module:hover {
  transform: translateY(-3px);
  border-color: #bbb;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}
.tech-module:hover .tech-id {
  color: #333;
} /* 호버 시 ID 텍스트 색상 변경 */

.module-content {
  text-align: center;
}

/* 텍스트 스타일링 */
.tech-id {
  font-size: 12px;
  color: #999;
  font-family: "Roboto Mono", monospace;
  display: block;
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}
.tech-module h3 {
  font-size: 34px;
  font-weight: 800;
  margin: 0;
  line-height: 1.1;
  color: var(--lab-dark);
  letter-spacing: -1.5px;
}
.kor-label {
  font-size: 16px;
  color: #777;
  font-weight: 500;
  margin-top: 5px;
}

/* --- MR - Center Emphasis & VR/AR Overlap --- */
.tech-module.mr {
  width: 380px; /* ★ MR 가장 크게 */
  height: 380px;
  z-index: 5; /* MR이 가장 위에 오도록 */
  background: var(--acc-mr); /* 배경색 채우기 */
  color: #fff; /* 내부 텍스트 흰색 */
  box-shadow: 0 15px 40px rgba(255, 120, 35, 0.2);
  border-color: var(--acc-mr);
}
.tech-module.mr .module-content {
  color: #fff;
}
.tech-module.mr h3 {
  color: #fff;
  font-size: 50px;
  letter-spacing: -2px;
}
.tech-module.mr .tech-id,
.tech-module.mr .kor-label {
  color: rgba(255, 255, 255, 0.8);
}

/* MR 주변의 빛나는 효과 (Halo Pulse) */
.mr-halo-pulse {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border: 1px solid var(--acc-mr);
  border-radius: 50%;
  opacity: 0;
  animation: pulse 2s infinite ease-out; /* 은은한 펄스 애니메이션 */
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 0.7;
    border-width: 1px;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.2;
    border-width: 2px;
  }
  100% {
    transform: scale(1.1);
    opacity: 0;
    border-width: 3px;
  }
}

/* VR, AR 위치 조정 (MR에 걸쳐지는 느낌) */
.tech-module.vr {
  left: 10%; /* 왼쪽으로 이동 */
  transform: translateX(-50%);
  top: 50%;
  margin-top: -125px; /* 원형 중심 맞추기 */
}

.tech-module.ar {
  right: 10%; /* 오른쪽으로 이동 */
  transform: translateX(50%);
  top: 50%;
  margin-top: -125px; /* 원형 중심 맞추기 */
}

/* 각 모듈별 컬러 포인트 */
.tech-module.vr h3 {
  color: var(--acc-vr);
}
.tech-module.ar h3 {
  color: var(--acc-ar);
}

/* 시스템 푸터 (다이어그램 내부 하단) */
.system-footer {
  position: absolute;
  bottom: 50px;
  font-family: "Roboto Mono", monospace;
  font-size: 13px;
  color: #999;
  letter-spacing: 2px;
  text-transform: uppercase;
  z-index: 2; /* 텍스트가 다른 요소에 가려지지 않게 */
}

/* 하단 섹션 노트 (다이어그램 외부) */
.section-footer-note {
  margin-top: 80px; /* 다이어그램과의 간격 확보 */
  font-size: 17px;
  color: #555;
  line-height: 1.6;
  font-weight: 500;
}
.section-footer-note p strong {
  color: var(--acc-mr);
}

@media (max-width: 900px) {
  .mr-halo-pulse {
    display: none;
  }
  .edu-tech-diagram {
    padding: 10px 0;
  }
  .lab-title {
    font-size: 28px;
  }

  /* XR Intersection Badge (컨테이너 위에 완벽히 걸치도록) */
  .xr-intersection-badge {
    padding: 6px 15px;
    min-width: 120px;
    top: 0; /* 컨테이너 상단 라인 */
    left: 50%;
    transform: translate(-50%, -50%); /* 정확히 상단 라인의 중앙에 겹침 */
    z-index: 10;
  }

  /* 1. XR 시스템 컨테이너 (세로 정렬을 담는 주 컨테이너) */
  .xr-system-boundary {
    width: 90%;
    height: auto;
    padding: 50px 20px 30px; /* 내부 여백 조정 */
    max-width: 350px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--lab-gold);
    position: relative; /* 자식 요소들이 컨테이너 안에 갇히도록 보장 */
  }

  /* 2. 모듈 컨테이너: 세로 정렬 및 중앙 배치 */
  .modules-composition {
    position: static;
    /* ★ Flexbox로 세로 정렬 및 중앙 정렬 ★ */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
  }

  /* 3. 개별 모듈: 크기 통일, 겹침/절대 위치 제거 */
  .tech-module {
    /* ★ 절대 위치 관련 속성 모두 제거 및 크기 통일 ★ */
    position: static;
    transform: none !important;
    width: 150px;
    height: 150px;
    margin: 0; /* 모든 마진 초기화 */

    background: transparent;
    border: 1px dashed var(--lab-border-light);
    box-shadow: none;
  }
  .tech-module.vr,
  .tech-module.ar {
    margin-top: 0;
  }
  /* MR 모듈 특별 처리: 크기 통일, 배경색만 강조 */
  .tech-module.mr {
    width: 150px;
    height: 150px;
    background: var(--acc-mr);
    border: 1px solid var(--acc-mr);
    box-shadow: 0 5px 15px rgba(255, 120, 35, 0.2);
    margin-top: 0;
    /* MR 내부 텍스트 흰색 */
    .module-content .tech-id,
    .module-content h3,
    .module-content .kor-label {
      color: #fff;
    }
  }

  /* 시스템 푸터 (이전에는 absolute였던 요소를 static으로 처리) */
  .system-footer {
    position: static; /* ★ 절대 위치 해제 ★ */
    margin-top: 30px;
    font-size: 11px;
    color: #999;
    text-align: center;
    padding: 0 10px;
  }

  /* 텍스트 크기 조정 */
  .tech-module h3 {
    font-size: 24px;
    letter-spacing: -1px;
  }
  .tech-module.mr h3 {
    font-size: 24px;
  }
  .kor-label {
    font-size: 13px;
  }

  /* 기타 모바일 설정 */
  .proc-badge {
    display: none;
  }
  .process-line.top {
    margin-top: 15px;
    margin-bottom: 0;
  }
  .section-footer-note {
    margin-top: 30px;
    font-size: 14px;
  }
}

/* 추가적인 작은 모바일 기기 조정 */
@media (max-width: 400px) {
  .xr-system-boundary {
    max-width: 320px;
    padding: 40px 15px 40px;
  }
  .tech-module {
    width: 130px;
    height: 130px;
  }
  .tech-module.mr {
    width: 130px;
    height: 130px;
  }
  .tech-module h3 {
    font-size: 20px;
  }
  .kor-label {
    font-size: 12px;
  }
}