.view_wrap.conference {
  padding: 0 0 0 480px;
  min-height: 640px;
}

/* 타이틀 */
.poster_title {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 24px;
  }
  .poster_title p {
    margin-top: 8px;
  }

/* 좌측 */
#poster_wrap {
  border: 1px solid #dddddd;
  background: #f7fbfe;
  padding: 6px 12px;
  border-radius: 12px;
  position: absolute;
  left: 0;
  top: 0;
  width: 450px;
  box-sizing: border-box;
}

/* 포스터 스와이프 */
.main_poster_swiper {
  width: 100%;
  height: 420px;
  padding-bottom: 20px;
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;
  }
  .main_poster_swiper .swiper-slide {
    text-align: center;
    font-size: 18px;
    background-size: cover;
    background-position: center;
    background: transparent;
    display: flex;
    justify-content: center;
    align-items: center;
    }
    .main_poster_swiper .swiper-slide img {
      display: block;
      object-fit: cover;
      width: 270px;
      height: 380px;
      border-radius: 6px;
      box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
    }
  .main_poster_swiper .swiper-button-next,
  .main_poster_swiper .swiper-button-prev {
    width: 40px;
    height: 40px;
    background: #ffffff;
    border-radius: 100%;
    box-shadow: rgba(99, 99, 99, 0.2) 0px 2px 8px 0px;
    }
    .main_poster_swiper .swiper-button-next:after,
    .main_poster_swiper .swiper-button-prev:after {display: none;}    
    .main_poster_swiper .swiper-button-next:before,
    .main_poster_swiper .swiper-button-prev:before {
      content: '';
      width: 24px;
      height: 24px;
      background: url('https://conference.kla.kr/images/swiper_btn.png') no-repeat center;
    }
    .main_poster_swiper .swiper-button-next:before {transform: rotate(180deg);}
  .main_poster_swiper .swiper-pagination-fraction {
    font-size: 16px;
    font-weight: bold;
    bottom: 0;
  }
  .main_poster_swiper .swiper-pagination-fraction  .swiper-pagination-total{color: #7b7b7b;}
  .main_poster_swiper .swiper-pagination-fraction .swiper-pagination-current {color: #18367f;}

.thumbs_poster_swiper {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  /* height: 170px; */
  box-sizing: border-box;
  padding: 10px 0;
  }
  .thumbs_poster_swiper .swiper-slide {
    max-width: 130px;
    height: 100%;
    opacity: 0.9;
    position: relative;
    cursor: pointer;
    }
    .thumbs_poster_swiper .swiper-slide:before {
      font-size: 13px;
      font-weight: bold;
      width: 28px;
      height: 28px;
      left: 6px;
      top: 6px;
      color: #222222;
      line-height: 28px;
      text-align: center;
      border-radius: 8px;
      background: #ffffff;
      position: absolute;
      z-index: 1;
    }
    .thumbs_poster_swiper .swiper-slide:nth-of-type(1):before {content: '01';}
    .thumbs_poster_swiper .swiper-slide:nth-of-type(2):before {content: '02';}
    .thumbs_poster_swiper .swiper-slide:nth-of-type(3):before {content: '03';}

    .thumbs_poster_swiper .swiper-slide-thumb-active {opacity: 1;}
    .thumbs_poster_swiper .swiper-slide-thumb-active img {
      box-sizing: border-box;
      border: 3px solid #18367f;
    }
    .thumbs_poster_swiper .swiper-slide-thumb-active.swiper-slide:before {color: #18367f;}

    .thumbs_poster_swiper .swiper-slide img {
        display: block;
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: 6px;
        box-shadow: rgba(0, 0, 0, 0.1) 0px 4px 12px;
      }

  /* 다운로드 버튼 */
  .view_wrap.conference .poster_download {
    position: unset;
    width: 100%;
    border: none;
    background: transparent;
  }



/* 반응형 */
@media screen and (max-width: 880px) {
  .view_wrap.conference {
    padding: 0;
  }
  #poster_wrap {
    position: unset;
    width: 100%;
  }
  /* .thumbs_poster_swiper {height: 200px;} */
  .thumbs_poster_swiper .swiper-wrapper {justify-content: center;}
}
@media screen and (max-width: 425px) {
  .main_poster_swiper {height: 370px;}
  .main_poster_swiper .swiper-slide img {
    width: 230px;
    height: 324px;
  }
  .thumbs_poster_swiper .swiper-wrapper {justify-content: unset;}
}