.ytht_main {
  padding-top: 40px;
  padding-bottom: 40px;
}
.about p {
  font-size: 17px;
  line-height: 30px;
  color: var(--text-color);
}
.about p ~ p {
  margin: 15px 0 0;
}
.about ul li {
  padding: 40px 0;
  position: relative;
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: space-between;
  justify-content: space-between;
  -webkit-align-items: center;
  align-items: center;
}
.about ul li img {
  max-width: 100%;
  aspect-ratio: 1/1;
  height: auto;
}
.about ul li:last-child {
  border-bottom: none;
}
.about ul li:nth-child(2n + 1) {
  flex-direction: row-reverse;
  -webkit-flex-direction: row-reverse;
}
.about ul li .pic {
  width: 45%;
}
.about ul li .txt {
  -webkit-flex: 1;
  flex: 1;
  margin: 0 60px 0 0;
  display: -webkit-flex;
  display: flex;
  -webkit-flex-direction: column;
  flex-direction: column;
  justify-content: center;
}
.about ul li .txt .box {
  display: -webkit-flex;
  display: flex;
  -webkit-flex-direction: column;
  flex-direction: column;
}
.about ul li .txt h5 {
  font-size: 26px;
  font-weight: 600;
  color: #020202;
  text-transform: uppercase;
  margin-bottom: 15px;
}
.about ul li .txt h5::after {
  content: "";
  width: 53px;
  height: 4px;
  background: var(--color-primary);
  margin: 15px 0 0;
  display: block;
}
.about ul li .txt p {
  font-size: 15px;
  color: #595959;
  line-height: 24px;
  text-transform: capitalize;
}
.about ul li:nth-child(2n) .txt {
  margin: 0 0 0 60px;
}
.about ul li:nth-child(2n)::after {
  left: auto;
  right: -75px;
}

.about ul li:nth-child(2n) .txt h5,
.about ul li:nth-child(2n) .txt p {
  text-align: left;
}
.about ul li:nth-child(2n) .txt h5::after {
  margin-left: 0;
}

.about ul li:nth-child(2n + 1) .txt h5,
.about ul li:nth-child(2n + 1) .txt p {
  text-align: right;
}
.about ul li:nth-child(2n + 1) .txt h5::after {
  margin-left: auto;
}

.fade-in-section {
  opacity: 0;
  transform: translateY(40px);
  visibility: hidden;
  transition: opacity 0.8s ease-out, transform 0.8s ease-out, visibility 0.8s ease-out;
}
.fade-in-section.is-visible {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

@media screen and (max-width: 768px) {
  .main {
    padding-top: 25px;
    padding-bottom: 30px;
  }
  .about ul li {
    padding: 20px 0;
    -webkit-flex-direction: column;
    flex-direction: column;
    -webkit-align-items: flex-start;
    align-items: flex-start;
  }
  .about ul li:nth-child(2n + 1) {
    -webkit-flex-direction: column;
    flex-direction: column;
  }
  .about ul li .pic {
    width: 100%;
  }
  .about ul li .txt {
    margin: 15px 0 0;
    display: block;
  }
  .about ul li .txt h5 {
    font-size: 24px;
  }
  .about ul li:nth-child(2n) .txt {
    margin: 15px 0 0;
  }

  .about ul li:nth-child(2n) .txt h5,
  .about ul li:nth-child(2n) .txt p,
  .about ul li:nth-child(2n + 1) .txt h5,
  .about ul li:nth-child(2n + 1) .txt p {
    text-align: left;
  }
  .about ul li:nth-child(2n) .txt h5::after,
  .about ul li:nth-child(2n + 1) .txt h5::after {
    margin-left: 0;
  }

  .fade-in-section {
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  }
}