.good-tech-wrap {
  display: flex; gap: 20px;
  .tab-area {
    width: 285px;
    ul {
      display: flex; flex-direction: column; flex-wrap: wrap; gap: 5px;
      li {
        &.active {
          a {
            background: var(--main-color); color: #fff; font-weight: 600;
          }
        }
        &:hover {
          a {
            background: #e9eeff; color: #fff; font-weight: 600;
          }
        }
        a {
            display: inline-block; width: 100%; padding: 13px 10px; font-size: 1.5rem; border-radius: 3px; font-weight: 500; 
        }
      }
    }
  }
  .right-cont {
    width: calc(100% - 295px);
    .tech-list {
      display: flex; flex-wrap: nowrap; gap: 10px;
      .empty-area {
        display: none;
      }
      &.empty {
        justify-content: center; align-items: center; border: 1px solid #ededed; border-radius: 4px;
        .item {
          display: none;
        }
        .empty-area {
          display: block; padding: 60px 0;
          .txt {
            padding-top: 10px;
          }
        }
      }
      .item {
        width: calc(33% - 5px);
        .thumbnail-area {
          width: 100%; padding-bottom: 55%; position: relative; overflow: hidden; border-radius: 5px; margin-bottom: 15px; border: 1px solid var(--line-color);
          > img {
            @include alignCenter; width: 100%; height: 100%; object-fit: cover; transition: transform .2s;
          }
          &:hover {
            .thumbnail {
              transform: translate(-50%, -50%) scale(1.1);
            }
          }
          .thumbnail {
            position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 100%; height: 100%; object-fit: cover; transition: transform .2s;
          }
          .youtube-icon {
            width: 24px; height: 24px; position: absolute; bottom: 8px; left: 8px; z-index: 1;
            img {
              width: 100%; height: auto;
            }
          }
        }
        &.no-image {
          &:hover {
            .thumbnail-area {
              > img {
                transform: translate(-50%,-50%) scale(1);
              }
            }  
          }
          .thumbnail-area {
            background-color: #F9F9F9;
            > img {
              width: 140px; opacity: .5; height: auto; max-width: 90%;
            }
          }
        }
        .title-area {
          .tit {
            display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; text-overflow: ellipsis; display: block; font-size: 1.4rem; font-weight: 700; padding-bottom: 5px; line-height: 1.5;
          }
        }
      }
    }
  }
}

@media (max-width: 1200px) {
  .good-tech-wrap {
    flex-direction: column;
    .tab-area {
      width: 100%;
      ul {
          flex-direction: row;
      }
    }
    .right-cont {
      width: 100%;
    }
  }
}
@media (max-width: 768px) {
  .good-tech-wrap {
    gap: 10px;
    .tab-area {
      ul {
          li {
            a {
              padding: 10px 10px; font-size: 1.4rem;
            }
          }
      }
    }
  }
}
@media (max-width: 525px) {
  .good-tech-wrap {
    .tab-area {
      ul {
        li {
          a {
            font-size: 1.3rem;
          }
        }
      }
    }
    .right-cont {
      .tech-list {
        flex-direction: column;
        .item {
          width: 100%;
          .title-area {
            .tit {
              font-size: 1.3rem;
            }
          }
        }
      }
    }
  }
}