/* 宣传视频页 + 侧栏入口 —— ZCP 妙妙屋 */
.promo-wrap {
  margin: 0 0 1rem;
  border-radius: 10px;
  overflow: hidden;
  background: #000;
  box-shadow: 0 2px 12px rgba(0, 0, 0, .28);
}

.promo-video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  background: #000;
}

.promo-note {
  color: #858585;
  font-size: .9rem;
  text-align: center;
  margin: 0 0 1rem;
}

.promo-chapters {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  justify-content: center;
}

.promo-chapters a {
  display: inline-block;
  padding: .32rem .8rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: rgba(73, 177, 245, .12);
  color: #49b1f5;
  font-size: .85rem;
  line-height: 1.5;
  transition: all .2s ease-in-out;
}

.promo-chapters a:hover {
  background: #49b1f5;
  color: #fff;
  transform: translateY(-2px);
}

/* 侧栏公告里的视频入口 */
.promo-teaser {
  display: block;
  margin-top: .7rem;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  line-height: 0;
}

.promo-teaser img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform .35s ease;
}

.promo-teaser:hover img {
  transform: scale(1.04);
}

.promo-teaser-badge {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 46px;
  height: 46px;
  margin: -23px 0 0 -23px;
  border-radius: 50%;
  background: rgba(0, 0, 0, .55);
  border: 1.5px solid rgba(255, 255, 255, .85);
  line-height: 1;
}

.promo-teaser-badge::after {
  content: '';
  position: absolute;
  left: 19px;
  top: 15px;
  border-style: solid;
  border-width: 8px 0 8px 13px;
  border-color: transparent transparent transparent #fff;
}

.promo-teaser-label {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1.2rem .5rem .35rem;
  font-size: .78rem;
  line-height: 1.4;
  text-align: center;
  color: #fff;
  background: linear-gradient(to top, rgba(0, 0, 0, .78), rgba(0, 0, 0, 0));
}

/* 首页 banner 上的入口按钮 */
.hero-promo {
  display: flex;
  width: fit-content;
  align-items: center;
  gap: .45rem;
  margin: 1.6rem auto 0;
  padding: .5rem 1.15rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .7);
  background: rgba(0, 0, 0, .28);
  color: #fff !important;
  font-size: .92rem;
  letter-spacing: .02em;
  text-decoration: none !important;
  backdrop-filter: blur(4px);
  transition: all .25s ease-in-out;
}

.hero-promo:hover {
  background: #49b1f5;
  border-color: #49b1f5;
  transform: translateY(-2px);
}

.hero-promo-play {
  position: relative;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1.5px solid currentColor;
  flex: 0 0 auto;
}

.hero-promo-play::after {
  content: '';
  position: absolute;
  left: 6.5px;
  top: 5px;
  border-style: solid;
  border-width: 3.2px 0 3.2px 5px;
  border-color: transparent transparent transparent currentColor;
}

[data-theme="dark"] .promo-chapters a {
  background: rgba(73, 177, 245, .18);
}

@media (max-width: 768px) {
  .promo-chapters {
    justify-content: flex-start;
  }

  .promo-chapters a {
    font-size: .8rem;
    padding: .28rem .68rem;
  }
}