.rightint-case-list.main {
  padding: 70px 0 clamp(30px, 3.645833vw, 70px) 0;
}

.rightint-case-list .app-list h3 {
  font-size: 40px;
  color: #212121;
  font-weight: 700;
  line-height: 1;
  position: relative;
  z-index: 20;
}

.rightint-case-list .app-list h3::before {
  display: block;
  content: attr(data-tit);
  white-space: nowrap;
  color: #fff;
  position: absolute;
  left: 0;
  top: -38px;
  font-size: 98px;
  line-height: 1;
  z-index: -1;
  text-shadow: rgba(210, 217, 221, 0.75) 1px 0 0, rgba(210, 217, 221, 0.75) 0 1px 0, rgba(210, 217, 221, 0.75) -1px 0 0, rgba(210, 217, 221, 0.75) 0 -1px 0;

}

.rightint-case-list .app-list h3::after {
  display: block;
  content: '';
  width: 80px;
  height: 2px;
  background: var(--color-primary);
  margin: 10px auto 0 0;
}

.rightint-case-list .app-list>p {
  margin: 40px 0 0;
  line-height: 36px;
  font-size: 17px;
  color: #666;
}

.rightint-case-list .app-list ul {
  margin: 37px -20px 0;
  display: flex;
  /* justify-content: space-between; */
  flex-wrap: wrap;
}

.rightint-case-list .app-list ul li {
  width: 33.3333%;
  padding: 15px 20px;
}

.rightint-case-list .app-list ul li>a {
  display: block;
  background: #fff;
  border-radius: 18px;
  overflow: hidden;

  transition: all .35s ease;

  box-shadow: 0 10px 30px rgba(0,0,0,0.06);
}

.rightint-case-list .app-list ul li img {
  display: block;
  width: 100%;
  aspect-ratio: 1/ 1;
  object-fit: cover;
}
.rightint-case-list .app-list ul li .txt {
  position: relative;

  padding: 26px 24px;

  background: #fff;

  width: 100%;
}
 
.rightint-case-list .app-list ul li .txt>* {
  position: relative;
  z-index: 10;
}
.rightint-case-list .app-list ul li .txt h6 {
  font-size: clamp(17px, 1.15vw, 22px);
  font-weight: 600;
  line-height: 1.4;
  color: #222;
  margin-bottom: 12px;
  text-shadow: none;
}
.rightint-case-list .app-list ul li .txt p {
  display: block;
  font-size: clamp(14px, 0.78vw, 15px);
  line-height: 28px;
  color: #666;
  margin: 0;
}
.rightint-case-list .app-list ul li:hover .txt {
  transform: translateY(-8px);
  background: rgba(255,255,255,0.18);
}

.rightint-case-list .app-list ul li:hover .txt p {
  opacity: 1;
  transform: translateY(0);
}
 
.rightint-case-list .app-list ul li img {
  display: block;
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform .6s ease;
}
.rightint-case-list .app-list ul li:hover img {
  transform: scale(1.05);
}
.rightint-case-list .app-list ul li .txt .more {
  display: inline-flex;
  align-items: center;

  margin-top: 20px;

  font-size: 15px;
  font-weight: 600;

  color: var(--color-primary);

  transition: all .3s ease;
}
.rightint-case-list .app-list ul li .txt .more i {
  width: 34px;
  height: 34px;

  border-radius: 50%;

  border: 1px solid #ddd;

  display: flex;
  align-items: center;
  justify-content: center;

  margin-right: 12px;

  font-size: 12px;

  color: #333;

  transition: all .3s ease;
}
.rightint-case-list .app-list ul li:hover .txt p {
  display: -webkit-box;
}
.rightint-case-list .app-list ul li>a:hover {
  transform: translateY(-8px);

  box-shadow: 0 20px 50px rgba(0,0,0,0.12);
}

.rightint-case-list .app-list ul li:hover .more i {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

@media screen and (max-width: 992px) {
  .rightint-case-list .app-list ul li .txt .more {
    display: none;
  }
}

@media screen and (max-width:991px) {
  .rightint-case-list.app-list h1 {
    text-align: center;
  }

  .rightint-case-list .app-list h1::before {
    font-size: 40px;
    left: 0;
    right: 0;
    top: -25px;
  }

  .rightint-case-list .app-list h1::after {
    margin: 15px auto 0;
  }

  .rightint-case-list .app-list ul {
    margin: 20px -10px 0;
  }

  .rightint-case-list .app-list ul li {
    padding: 10px;
    width: 50%;
  }

  .rightint-case-list .app-list ul li .txt {
    padding: 15px;
  }

  .app-list ul li .txt h6 {
    font-size: 17px;
  }

  
}

@media screen and (max-width:480px) {
  .rightint-case-list .app-list ul {
    margin: 14px 0 0;
  }

  .rightint-case-list .app-list ul li {
    padding: 6px 0;
    width: 100%;
  }
}



@media screen and (max-width: 1281px) {
    .rightint-case-list .app-list h3 {font-size: 34px;}
}

@media screen and (max-width: 1171px) {
    .rightint-case-list .app-list h3 { font-size: 30px;}
    .rightint-case-list .app-list h3::before {font-size: 58px;}
}

@media screen and (max-width: 992px) {
    .rightint-case-list .app-list h3 {font-size: 26px; }
    .rightint-case-list .app-list h3::before {font-size: 40px;}
    .rightint-case-list .app-list ul li .txt p {line-height: 24px;overflow: hidden;display: -webkit-box;-webkit-line-clamp: 4;-webkit-box-orient: vertical;}
    .rightint-case-list .app-list ul li .txt h6 {line-height: 1.5;overflow: hidden;display: -webkit-box;-webkit-line-clamp: 2;-webkit-box-orient: vertical;}
}

@media screen and (max-width: 768px) {
    .rightint-case-list .app-list h3 {font-size: 24px;}
    .rightint-case-list .app-list h3::before {font-size: 30px;}
    .rightint-case-list .app-list>p {margin: 20px 0 0;line-height: 24px;font-size: 14px;}
    
}

@media screen and (max-width: 480px) {
    .rightint-case-list .app-list h3 {font-size: 22px;}
}