header {
  position: static;
}
main {
  background: #fffdff;
}
.mb-style {
  display: none;
}
.banner {
  padding: 90px 0;
  background: url("../../img/common/topic/banner-pc.webp") no-repeat center / cover;
}
.banner .banner-tit {
  color: #13141c;
  text-align: center;
  font-size: 36px;
  font-weight: 600;
  line-height: 130%;
  /* 46.8px */
}
.banner .banner-desc {
  margin-top: 10px;
  color: #424243;
  text-align: center;
  font-size: 18px;
  font-weight: 400;
  line-height: 180%;
  /* 32.4px */
}
.topic-cont {
  padding: 50px 0 86px;
}
.topic-cont .container {
  display: flex;
  column-gap: 50px;
}
.topic-cont .topic-aside {
  position: sticky;
  top: 60px;
  width: 192px;
  height: fit-content;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 4px 22.2px 0 rgba(76, 58, 158, 0.16);
  overflow: hidden;
  text-align: center;
}
.topic-cont .topic-aside .aside-tit {
  padding: 16px 0;
  color: #fff;
  font-size: 20px;
  font-weight: 600;
  line-height: 15px;
  /* 75% */
  background: linear-gradient(270deg, #ff95ad 0%, #ed75f3 43.84%, #bb7cff 100%), #d864e7;
}
.topic-cont .topic-aside .aside-list {
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  row-gap: 16px;
}
.topic-cont .topic-aside .aside-item {
  color: #6b7589;
  font-size: 18px;
  font-weight: 400;
  line-height: 150%;
  /* 27px */
  cursor: pointer;
}
.topic-cont .topic-aside .aside-item:hover {
  color: #e137ff;
}
.topic-cont .topic-aside .aside-item.active {
  color: #e137ff;
  font-weight: 600;
}
.topic-cont .topic-right {
  flex: 1;
}
.topic-cont .topic-slide {
  position: relative;
  display: flex;
  justify-content: space-between;
  column-gap: 38px;
  padding-bottom: 40px;
  margin-bottom: 36px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease, box-shadow 0.3s ease;
}
.topic-cont .topic-slide::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  height: 1px;
  background-image: linear-gradient(to right, rgba(226, 226, 226, 0.8) 0px, rgba(226, 226, 226, 0.8) 16px, transparent 16px, transparent 24px);
  background-size: 24px 1px;
  background-repeat: repeat-x;
  width: 100%;
}
.topic-cont .topic-slide .slide-img {
  width: 198px;
  height: 128px;
}
.topic-cont .topic-slide .slide-right {
  flex: 1;
}
.topic-cont .topic-slide .slide-tit {
  max-height: 32px;
  color: #2b2a35;
  font-size: 18px;
  font-weight: 600;
  line-height: 180%;
  /* 32.4px */
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}
.topic-cont .topic-slide .slide-tit:hover {
  color: #c71be6;
}
.topic-cont .topic-slide .slide-desc {
  max-height: 58px;
  margin-top: 2px;
  color: #4d4d4d;
  font-size: 16px;
  font-weight: 400;
  line-height: 180%;
  /* 28.8px */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}
.topic-cont .topic-slide .slide-other {
  margin-top: 14px;
  display: flex;
  color: #898989;
  font-size: 12px;
  font-weight: 400;
}
.topic-cont .topic-slide .slide-other span {
  display: flex;
  align-items: center;
  column-gap: 8px;
}
.topic-cont .topic-slide .slide-other span:not(:last-child)::after {
  content: "|";
  margin: 0 16px;
}
.topic-cont .topic-slide .slide-tag::before {
  content: "";
  display: block;
  background: url("../../img/common/topic/topic-tag.svg") no-repeat center center;
  width: 17px;
  height: 17px;
}
.topic-cont .topic-slide .slide-by::before {
  content: "";
  display: block;
  background: url("../../img/common/topic/topic-by.svg") no-repeat center center;
  width: 17px;
  height: 17px;
}
.topic-cont .topic-slide .slide-timer::before {
  content: "";
  display: block;
  background: url("../../img/common/topic/topic-timer.svg") no-repeat center center;
  width: 17px;
  height: 17px;
}
.topic-cont .topic-slide.box-visible {
  opacity: 1;
  transform: translateY(0);
}
.topic-cont .topic-slide.box-hidden {
  display: none;
}
.topic-cont .topic-btn {
  width: 176px;
  height: 46px;
  margin: 0 auto;
  display: flex;
  column-gap: 12px;
  align-items: center;
  justify-content: center;
  border-radius: 52px;
  background: #fff;
  box-shadow: 0 0 10.6px 0 rgba(236, 194, 255, 0.25);
  color: #4d4d4d;
  font-size: 16px;
  font-weight: 400;
  line-height: 180%;
  /* 28.8px */
  cursor: pointer;
  transition: all 0.3s;
}
.topic-cont .topic-btn:hover {
  transform: translateY(-8px);
}
.topic-cont .topic-btn img {
  transition: all 0.3s;
}
.topic-cont .topic-btn.btn-accent img {
  transform: rotate(180deg);
}
@media (max-width: 1200px) {
  .topic-cont .container {
    column-gap: 20px;
  }
  .topic-cont .topic-slide {
    column-gap: 20px;
  }
  .topic-cont .topic-slide .slide-other span:not(:last-child)::after {
    margin: 0 10px;
  }
}
@media (max-width: 996px) {
  .mb-style {
    display: block;
  }
  .topic-cont {
    padding: 32px 0 70px;
  }
  .topic-cont .container {
    flex-direction: column;
  }
  .topic-cont .topic-aside {
    position: static;
    width: 100%;
    text-align: left;
    box-shadow: none;
  }
  .topic-cont .topic-aside .aside-tit {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 18px;
  }
  .topic-cont .topic-aside .aside-tit .mb-style {
    transition: all 0.3s;
  }
  .topic-cont .topic-aside .aside-tit.show .mb-style {
    transform: rotate(180deg);
  }
  .topic-cont .topic-aside .aside-list {
    padding: 0 18px 0;
    border: 1px solid #e2e2e2;
    border-top: 0;
    border-radius: 0 0 10px 10px;
    transition: all 0.4s;
    max-height: 0;
    visibility: hidden;
    opacity: 0;
  }
  .topic-cont .topic-aside .aside-list.show {
    padding: 12px 18px 18px;
    max-height: 400px;
    overflow: hidden;
    visibility: visible;
    opacity: 1;
    transition: all 0.4s;
  }
  .topic-cont .topic-aside .aside-item {
    font-size: 16px;
  }
  .topic-cont .topic-aside .aside-item a {
    display: block;
  }
  .topic-cont .topic-right {
    margin-top: 34px;
  }
  .topic-cont .topic-slide {
    flex-direction: column;
    padding-bottom: 0;
  }
  .topic-cont .topic-slide::after {
    content: none;
  }
  .topic-cont .topic-slide .slide-img {
    width: 124px;
    height: 80px;
  }
  .topic-cont .topic-slide .slide-tit {
    margin-top: 12px;
    max-height: 58px;
    font-size: 16px;
    -webkit-line-clamp: 2;
  }
  .topic-cont .topic-slide .slide-desc {
    max-height: 74px;
    margin-top: 12px;
    font-size: 14px;
    -webkit-line-clamp: 3;
  }
  .topic-cont .topic-slide .slide-other {
    flex-direction: column;
    row-gap: 8px;
  }
  .topic-cont .topic-slide .slide-other span:not(:last-child)::after {
    content: none;
  }
  .topic-cont .topic-btn {
    font-size: 12px;
    width: 128px;
    height: 36px;
  }
  .topic-cont .topic-btn img {
    width: 10px;
    height: 10px;
  }
}
@media (max-width: 768px) {
  .banner {
    padding: 36px 0 52px;
    background: url("../../img/common/topic/banner-mb.png") no-repeat center / cover;
  }
  .banner .banner-tit {
    font-size: 26px;
  }
  .banner .banner-desc {
    margin-top: 16px;
    font-size: 16px;
  }
}