/* 官网冰雪主题宣传区；不影响账户与工具页面。 */
.campaign-hero {
  padding: 64px 24px 72px;
  background: linear-gradient(145deg, var(--surface), var(--surface-subtle));
}

.campaign-hero .hero-content {
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: 72px;
}

.campaign-hero .hero-text h1 {
  font-size: clamp(40px, 4.6vw, 64px);
  line-height: 1.22;
  letter-spacing: -.04em;
  background: none;
  -webkit-text-fill-color: currentColor;
  color: var(--text);
}

.campaign-hero h1 span {
  color: var(--brand);
}

.campaign-hero .hero-text p {
  max-width: 34em;
  line-height: 1.85;
}

.campaign-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.campaign-tags li {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-secondary);
  font-size: 13px;
}

.campaign-meta {
  margin-top: 24px;
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.9;
}

.campaign-meta span {
  display: block;
}

.campaign-art {
  min-width: 0;
  margin: 0;
}

.campaign-art > a {
  display: block;
  border-radius: 18px;
}

.campaign-art img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
}

.campaign-art figcaption {
  padding-top: 14px;
  color: var(--text-soft);
  font-size: 13px;
  text-align: center;
}

.campaign-art figcaption a {
  color: var(--brand);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.campaign-poster {
  width: 100%;
  max-width: 408px;
  justify-self: end;
}

.campaign-overview {
  padding: 80px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 90px;
}

.campaign-heading {
  max-width: 720px;
  margin: 0 auto 42px;
  text-align: center;
}

.campaign-heading h2 {
  font-size: clamp(28px, 3vw, 40px);
  margin-bottom: 16px;
}

.campaign-heading p,
.campaign-category p,
.campaign-note {
  color: var(--text-secondary);
  line-height: 1.8;
}

.campaign-overview__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
}

.campaign-categories {
  display: grid;
  gap: 0;
}

.campaign-category {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.campaign-category > span {
  color: var(--brand);
  font-weight: 700;
  font-size: 14px;
  padding-top: 4px;
}

.campaign-category h3 {
  margin: 0 0 6px;
  font-size: 19px;
}

.campaign-category p {
  margin: 0;
  font-size: 14px;
}

.campaign-note {
  margin: 22px 0;
  font-size: 12px;
}

.campaign-film {
  padding: 72px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 90px;
}

.film-player {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #080f17;
  box-shadow: var(--shadow-lg);
}

.film-canvas {
  position: relative;
  aspect-ratio: 16 / 9;
}

.film-canvas > video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #080f17;
}

.film-cover {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: clamp(12px, 2vw, 26px);
  padding: 20px;
  background: radial-gradient(ellipse at 50% 25%, #1b303e, #080f17 75%);
  text-align: center;
  color: #f6f0e4;
}

.film-cover__art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
}

.film-cover > :not(.film-cover__art) { position: relative; }

.film-cover__brand {
  color: #e8c888;
  letter-spacing: .24em;
  font-size: clamp(18px, 3vw, 36px);
}

.film-cover__title {
  font-size: clamp(19px, 3.5vw, 42px);
  line-height: 1.4;
}

.film-cover__meta {
  color: #b5c5d0;
  font-size: clamp(10px, 1.6vw, 16px);
}

.film-status,
.film-caption {
  margin: 14px 0 0;
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.8;
  text-align: center;
}

.film-status:empty { display: none; }
.film-caption a { color: var(--brand); }

@media (max-width: 1023px) {
  .campaign-hero .hero-content {
    grid-template-columns: minmax(0, 1fr) minmax(0, .8fr);
    gap: 32px;
  }

  .campaign-overview__layout {
    gap: 32px;
    align-items: start;
  }
}

@media (max-width: 767px) {
  .campaign-hero {
    padding: 48px 20px;
  }

  .campaign-hero .hero-content,
  .campaign-overview__layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 36px;
  }

  .campaign-hero .hero-text h1 {
    font-size: clamp(32px, 8vw, 44px);
  }

  .campaign-poster {
    justify-self: center;
  }

  .campaign-overview,
  .campaign-film {
    padding: 48px 0;
    scroll-margin-top: 72px;
  }

  .film-cover { gap: 12px; padding: 14px; }
  .film-cover__meta { display: none; }

  .campaign-heading {
    margin-bottom: 28px;
  }

  .campaign-category {
    padding: 16px 0;
  }
}