/* 기존 스타일 우선순위 재설정 */
.main-container {
  position: relative;
  min-height: 100vh;
  background: #111;
}

.sub_cont.inner {
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.sub_top {
  background: #111;
  color: white;
  padding: 3rem 0 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.sub_top::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(0, 255, 171, 0.1) 0%, transparent 70%);
}

.sub_top_tit {
  padding: 40px 0 0;
  font-size: 3.5rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: #fff;
  line-height: 1.2;
  text-align: center;
  position: relative;
  z-index: 1;
  animation: fadeInUp 1s forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.title_area {
  text-align: center;
  margin-bottom: 5rem;
  color: #fff;
}

.title {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
  background: linear-gradient(120deg, #fff, #eee);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sub_text {
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
}

.sub_text .green {
  color: #00FFAB;
  font-weight: 500;
}

.sub_text .yellow {
  color: #FFD700;
  font-weight: 500;
}

.text {
  color: #eee;
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  line-height: 1.8;
}

.slide_box {
  position: relative;
  margin: 3rem auto;
  width: 80%;
  max-width: 1000px;
  overflow: hidden;
  padding: 0 1rem;
}

.slide_list {
  display: flex;
  gap: 2rem;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide_item {
  flex: 0 0 calc(50% - 1rem);
  min-width: 0;
}

.slide_item .imgs {
  height: 250px;
  overflow: hidden;
  border-radius: 1rem;
}

.slide_item .imgs img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.slide_item:hover .imgs img {
  transform: scale(1.05);
}

.text_box {
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 1rem;
  margin-top: -2rem;
  position: relative;
  z-index: 1;
  min-height: 180px;
  color: #fff;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.text_box .title {
  font-size: 1.6rem;
  margin-bottom: 1rem;
  line-height: 1.4;
  background: linear-gradient(120deg, #fff, #eee);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text_box .text {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
  line-height: 1.6;
}

.cont.stu_cont_02 {
  text-align: center;
  max-width: 1000px;
  margin: 6rem auto;
}

.stu_cont_02 .imgs {
  margin: 0 auto;
  max-width: 90%;
}

.stu_cont_02 .imgs img {
  width: 100%;
  height: auto;
  border-radius: 1rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

/* 슬라이더 네비게이션 */
.slick-prev,
.slick-next {
  position: absolute;
  top: 100%;
  transform: translateY(-50%);
  z-index: 100;
  width: 50px;
  height: 50px;
  border: none;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.slick-prev {
  left: 130px;
}

.slick-next {
  right: 130px;
}

.slick-prev:hover,
.slick-next:hover {
  background: rgba(255, 255, 255, 0.2);
}

.slick-prev i,
.slick-next i {
  color: #fff;
}

.st_title {
  font-size: 2.8rem;
  font-weight: 600;
  margin-bottom: 2rem;
  line-height: 1.4;
  color: #ffffff;
  animation: fadeInUp 0.8s ease;
}

.st_title span {
  position: relative;
  display: inline-block;
  font-weight: 700;
}

.title_area .text {
  font-size: 1.2rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.8);
  max-width: 800px;
  margin: 0 auto;
  animation: fadeInUp 0.8s ease 0.1s;
  animation-fill-mode: both;
}

.title_area .text span {
  color: #ffffff;
  font-weight: 500;
}

/* 반응형 스타일 */
@media (max-width: 768px) {
  .sub_top {
    padding: 2.5rem 0 1.5rem;
  }

  .sub_top_tit {
    font-size: 3rem;
    padding: 30px 0 0;
  }

  .title {
    font-size: 2rem;
  }

  .sub_text {
    font-size: 1.1rem;
  }

  .slide_box {
    width: 85%;
    padding: 0 20px;
  }

  .slide_item {
    flex: 0 0 100%;
  }

  .slide_item .imgs {
    height: 200px;
  }

  .text_box {
    min-height: 160px;
    padding: 1.2rem;
  }

  .text_box .title {
    font-size: 1.4rem;
  }

  .text_box .text {
    font-size: 1rem;
  }

  .st_title {
    font-size: 2rem;
  }

  .title_area .text {
    font-size: 1.1rem;
    padding: 0 1rem;
  }

  .slick-prev, .slick-next {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.5);
  }

  .slick-prev {
    left: -15px;
  }

  .slick-next {
    right: -15px;
  }
}

@media (max-width: 480px) {
  .sub_top {
    padding: 2rem 0 1rem;
  }

  .sub_top_tit {
    font-size: 2.5rem;
    padding: 20px 0 0;
  }

  .title {
    font-size: 1.8rem;
  }

  .sub_text {
    font-size: 1rem;
  }

  .slide_item .imgs {
    height: 180px;
  }

  .text_box {
    min-height: 140px;
    padding: 1rem;
  }

  .text_box .title {
    font-size: 1.2rem;
  }

  .text_box .text {
    font-size: 0.9rem;
  }

  .st_title {
    font-size: 1.8rem;
  }

  .title_area .text {
    font-size: 1rem;
  }

  .slide_box {
    width: 85%;
    padding: 0 15px;
  }

  .slick-prev, .slick-next {
    width: 35px;
    height: 35px;
    background: rgba(255, 255, 255, 0.6);
  }

  .slick-prev {
    left: -10px;
  }

  .slick-next {
    right: -10px;
  }
}

/* 충돌 방지를 위한 새로운 클래스 */
.studies-paper {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 1rem;
  padding: 3rem;
  margin: 2rem 0;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* 반응형 스타일 */
@media (max-width: 1200px) {
  .slide_box {
    width: 85%;
    padding: 0 25px;
  }
  
  .slick-prev {
    left: -20px;
  }
  
  .slick-next {
    right: -20px;
  }
}

@media (max-width: 992px) {
  .sub_top_tit {
    font-size: 3rem;
  }

  .title {
    font-size: 2.2rem;
  }

  .sub_text {
    font-size: 1.2rem;
  }

  .st_title {
    font-size: 2.4rem;
  }
}

@media (max-width: 768px) {
  .sub_top {
    padding: 4rem 0 2rem;
  }

  .sub_top_tit {
    font-size: 3rem;
    padding: 40px 0 0;
  }

  .title {
    font-size: 2rem;
  }

  .sub_text {
    font-size: 1.1rem;
  }

  .slide_box {
    width: 85%;
    padding: 0 20px;
  }

  .slide_item {
    flex: 0 0 100%;
  }

  .slide_item .imgs {
    height: 200px;
  }

  .text_box {
    min-height: 160px;
    padding: 1.2rem;
  }

  .text_box .title {
    font-size: 1.4rem;
  }

  .text_box .text {
    font-size: 1rem;
  }

  .st_title {
    font-size: 2rem;
  }

  .title_area .text {
    font-size: 1.1rem;
    padding: 0 1rem;
  }

  .slick-prev, .slick-next {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.5);
  }

  .slick-prev {
    left: -15px;
  }

  .slick-next {
    right: -15px;
  }
}

@media (max-width: 480px) {
  .sub_top {
    padding: 3rem 0 1.5rem;
  }

  .sub_top_tit {
    font-size: 2.5rem;
    padding: 30px 0 0;
  }

  .title {
    font-size: 1.8rem;
  }

  .sub_text {
    font-size: 1rem;
  }

  .slide_item .imgs {
    height: 180px;
  }

  .text_box {
    min-height: 140px;
    padding: 1rem;
  }

  .text_box .title {
    font-size: 1.2rem;
  }

  .text_box .text {
    font-size: 0.9rem;
  }

  .st_title {
    font-size: 1.8rem;
  }

  .title_area .text {
    font-size: 1rem;
  }

  .slide_box {
    width: 85%;
    padding: 0 15px;
  }

  .slick-prev, .slick-next {
    width: 35px;
    height: 35px;
    background: rgba(255, 255, 255, 0.6);
  }

  .slick-prev {
    left: -10px;
  }

  .slick-next {
    right: -10px;
  }
}

.studies-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.studies-section {
    margin-bottom: 60px;
}

.studies-section h2 {
    font-size: 2em;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.study-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.study-card:hover {
    transform: translateY(-5px);
}

.study-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.study-card-content {
    padding: 20px;
}

.study-card h3 {
    font-size: 1.5em;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.study-card p {
    color: #666;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .studies-content {
        padding: 20px;
    }

    .studies-grid {
        grid-template-columns: 1fr;
    }

    .study-card img {
        height: 180px;
    }
}

@media (max-width: 480px) {
    .studies-section h2 {
        font-size: 1.5em;
    }

    .study-card h3 {
        font-size: 1.2em;
    }
}