.sec-topics {
  position: relative;
}

.topics-list {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 4.8rem;
}

.topics-list:last-child {
  margin-bottom: 0;
}

.topics-item {
  width: calc(50% - 0.7rem);
  margin-left: 1.4rem;
  position: relative;
  padding-top: 4.7rem;
  display: flex;
  flex-direction: column;
}

.topics-item::after {
  position: absolute;
  content: "";
  left: 0;
  top: 0;
  width: 100%;
  height: 0.15rem;
  background: var(--main-color);
}
.text_color .topics-item::after {
  background: var(--text-color) !important;
}
.topics-item:hover::after {
  height: 4px;
  top: -1.25px;
}

.topics-item:nth-child(2n + 1) {
  margin-left: 0;
}

.topics-item:nth-child(n + 3) {
  margin-top: 4.8rem;
}
.text_color .topics-head  {
  color: var(--text-color) !important;
}
.topics-item-small {
  width: calc(25% - 2.3rem);
  margin-top: 0 !important;
  margin-left: 3rem !important;
}

.topics-item-small:nth-child(4n + 1) {
  margin-left: 0 !important;
}

.topics-item-small:nth-child(n + 5) {
  margin-top: 4rem !important;
}

.topics-head {
  height: 9.3rem;
  margin-bottom: 1.8rem;
}

.topics-item-small .topics-head {
  height: 11.2rem;
}

.topics-head * {
  font-size: 2.5rem;
  line-height: 3.5rem;
  letter-spacing: 0.25px;
  max-height: 7rem;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  margin: 0;
}

.topics-item:hover .topics-head * {
  text-decoration: underline !important;
}

.topics-item-small .topics-head * {
  font-size: 2rem;
  line-height: 3rem;
  -webkit-line-clamp: 3;
  max-height: 9rem;
}

.topics-img {
  position: relative;
  overflow: hidden;
  border-radius: 1rem;
  margin-bottom: 4.8rem;
  -webkit-transition: all .6s;
  -moz-transition: all .6s;
  transition: all .6s;
}

.topics-item:hover .topics-img {
  -webkit-transform: translateY(-10px);
  -moz-transform: translateY(-10px);
  transform: translateY(-10px);
}

.topics-img img {
  width: 100%;
  height: 33.2rem;
  object-fit: cover;
}

.topics-item-small .topics-img img {
  height: 15.4rem;
}

.topics-text {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.topics-text p {
  /* max-height: 11.2rem; */
  margin-bottom: 4.8rem;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  padding-right: 0.6rem;
}

.topics-item:hover .topics-text p {
  font-weight: bold;
}

.topics-item-small .topics-text p {
  font-weight: normal !important;
}

.topics-item:hover .btn-blue-outline {
  background: var(--main-color);
  border-color: var(--main-color);
  color: var(--second-active-color) !important;
}

.topics-item:hover .btn-blue-outline img {
  -webkit-filter: invert(100%) sepia(100%) saturate(0%) hue-rotate(99deg) brightness(110%) contrast(103%);
  filter: invert(100%) sepia(100%) saturate(0%) hue-rotate(99deg) brightness(110%) contrast(103%);
}

@media(min-width:1360px) and (max-width:1459.98px) {
  .topics-item {
    padding-top: 4rem;
  }

  .topics-head {
    height: 8.7rem;
  }

  .topics-head * {
    font-size: 2.3rem;
    line-height: 3.3rem;
    max-height: 6.6rem;
  }

  .topics-img {
    margin-bottom: 4rem;
  }

  .topics-img img {
    height: 30.7rem;
  }

  .topics-text p {
    margin-bottom: 4rem;
  }

  .topics-item-small .topics-head {
    height: 10.5rem;
  }

  .topics-item-small .topics-head * {
    font-size: 1.9rem;
    line-height: 2.9rem;
    max-height: 8.7rem;
  }
}

@media(min-width:1200px) and (max-width:1359.98px) {
  .topics-item {
    padding-top: 4rem;
  }

  .topics-head {
    height: 8.6rem;
  }

  .topics-head * {
    font-size: 2.3rem;
    line-height: 3.3rem;
    max-height: 6.6rem;
  }

  .topics-img {
    margin-bottom: 4rem;
  }

  .topics-img img {
    height: 28.8rem;
  }

  .topics-text p {
    max-height: 10.8rem;
    margin-bottom: 4rem;
  }

  .topics-item-small {
    width: calc(25% - 1.5rem);
    margin-left: 2rem !important;
  }

  .topics-item-small .topics-head {
    height: 10.2rem;
  }

  .topics-item-small .topics-head * {
    font-size: 1.9rem;
    line-height: 2.9rem;
    max-height: 8.7rem;
  }

  .topics-item-small .topics-img img {
    height: 13.7rem;
  }
}

@media(min-width:992px) and (max-width:1199.98px) {
  .topics-item {
    padding-top: 3.6rem;
  }

  .topics-head * {
    font-size: 2.2rem;
    line-height: 3.2rem;
    letter-spacing: 0.15px;
    max-height: 6.4rem;
  }

  .topics-head {
    height: 8.3rem;
  }

  .topics-img img {
    height: 24.1rem;
  }

  .topics-img {
    margin-bottom: 3.2rem;
  }

  .topics-text p {
    max-height: 10.8rem;
    margin-bottom: 3.2rem;
  }

  .topics-item-small {
    width: calc(25% - 1.5rem);
    margin-left: 2rem !important;
  }

  .topics-item-small .topics-head {
    height: 9.2rem;
  }

  .topics-item-small .topics-head * {
    font-size: 1.8rem;
    line-height: 2.6rem;
    max-height: 7.8rem;
  }

  .topics-item-small .topics-img img {
    height: 11.4rem;
  }
}

@media(min-width:768px) and (max-width:991.98px) {
  .topics-item {
    padding-top: 3.2rem;
  }

  .topics-head * {
    font-size: 2.2rem;
    line-height: 3rem;
    max-height: 6rem;
  }

  .topics-head {
    height: 7.5rem;
  }

  .topics-img img {
    height: 19.5rem;
  }

  .topics-img {
    margin-bottom: 3.2rem;
  }

  .topics-text p {
    max-height: 10.8rem;
    margin-bottom: 3.2rem;
  }

  .topics-item-small {
    width: calc(50% - 0.7rem);
    margin-top: 0 !important;
    margin-left: 1.4rem !important;
  }

  .topics-item-small:nth-child(2n + 1) {
    margin-left: 0 !important;
  }

  .topics-item-small:nth-child(n + 3) {
    margin-top: 4.8rem !important;
  }

  .topics-item-small .topics-head * {
    font-size: 2.2rem;
    line-height: 3rem;
    -webkit-line-clamp: 2;
    max-height: 6rem;
  }

  .topics-item-small .topics-head {
    height: 7.5rem;
  }

  .topics-item-small .topics-img img {
    height: 19.5rem;
  }
}

@media(max-width:767.98px) {
  .topics-list {
    margin-bottom: 3.2rem;
  }

  .topics-item {
    width: 100%;
    margin-left: 0 !important;
    padding-top: 3.2rem;
  }

  .topics-item:nth-child(n + 2) {
    margin-top: 3.2rem !important;
  }

  .topics-head {
    height: 7rem;
  }

  .topics-head * {
    font-size: 2rem;
    line-height: 3rem;
    letter-spacing: 0.15px;
    max-height: 6rem;
  }

  .topics-img {
    margin-bottom: 2.4rem;
  }

  .topics-item:hover .topics-img {
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    transform: translateY(0);
  }

  .topics-text p {
    max-height: 10.2rem;
    margin-bottom: 2.4rem;
    padding-right: 0;
  }

  .topics-item-small .topics-head * {
    -webkit-line-clamp: 2;
    max-height: 6rem;
  }

  .topics-item-small .topics-head {
    height: 7rem;
  }
  .topics-item-small .topics-img img {
    height: 33.2rem;
  }
}

@media(max-width:575.98px) {
  .topics-img img {
    height: 53.1vw !important;
  }
}