.feature-box {
    /* display: flex;
    flex-direction: column;  */
    padding-top: 10vh;
    padding-bottom: 10vh;
}

.wrap2-feature-title {
    font-weight: bold;
    font-size: 0.2rem;
    color: #000;
    padding-bottom: 5vh;
}

.stl-container {
  display: flex;
  margin: 0 auto;
  gap: 20px;
}

.stl-l-image-column {
  flex: 0 0 400px;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.stl-l-image-item {
   width: 100%;
   height: 100px;
   overflow: hidden;
   box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
   transition: height 0.3s ease;
   cursor: pointer;
   position: relative;
   background-size: cover;
   filter: contrast(0.5);
   -webkit-filter: contrast(0.5);
}
.stl-l-image-column .stl-l-image-item1 {
    background-image: url(../images/stl-l-0.png);
}
.stl-l-image-column .stl-l-image-item.stl-l-image-item2 {
    background-image: url(../images/stl-l-1.png);
}
.stl-l-image-column .stl-l-image-item3 {
    background-image: url(../images/stl-l-2.png);
}
.stl-l-image-column .stl-l-image-item.stl-l-image-item4 {
    background-image: url(../images/stl-l-0.png);
}
.stl-l-image-column .stl-l-image-item.stl-l-image-item5 {
    background-image: url(../images/stl-l-1.png);
}
/* .stl-l-image-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
} */

.stl-l-image-item .stl-l-item-title {
    position: absolute;
    bottom: 10px;
    left: 10px;
    right: 10px;
    font-size: 21px;
    font-weight: bold;
    color: #ddd;
    z-index: 2;
}

/* .stl-l-image-item:hover {
  height: 180px;
} */

.stl-l-image-item.active {
  height: 180px;
  filter: contrast(1);
}

.stl-r-content-area {
  flex: 1;
  min-height: 700px;
  background-color: #ffffff;
  box-shadow: 0 0 1.04167vw 0 rgba(0, 0, 0, .1);
}

.stl-r-content-item {
  display: none;
  padding: 10%;
}

.stl-r-content-item.active {
  display: block;
  animation: stl-r-0.5s ease;
  -webkit-animation: stl-r-0.5s ease;
}

.stl-r-content-item ul li {
  padding: 10px 0;
}

.stl-r-content-item h2 {
  font-size: 0.14rem;
  font-weight: bold;
}

.stl-r-content-item p {
  padding: 8px 0;
  font-size: 0.09rem;
  font-weight: 200;
}

.stl-r-content-item p.stl-r-content-item-sub-title {
  font-size: 0.1rem;
  font-weight: 500;
}

@keyframes stl-r-fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media screen and (max-width: 960px) {
  .stl-l-image-column {
    flex: 0 0 300px;
  }
  .stl-l-image-item .stl-l-item-title {
    font-size: 18px;
  }
}
@media screen and (max-width: 830px) {
  .stl-l-image-column {
    flex: 0 0 200px;
  }
  .stl-l-image-item .stl-l-item-title {
    font-size: 16px;
  }
}

@media screen and (max-width: 780px) {
  .stl-l-image-column {
    flex: 0 0 180px;
  }
}