/* Safe visual-only unified article card. No DOM moving and no typography changes. */
.yiyu-unified-article-hero-card {
  background: #ffffff !important;
  border-bottom-color: transparent !important;
  border-bottom-left-radius: 0 !important;
  border-bottom-right-radius: 0 !important;
  box-shadow: 0 16px 56px -50px rgba(15, 23, 42, 0.42) !important;
}

.yiyu-unified-article-hero-card > div[class*="bg-os-paper"] {
  background: #ffffff !important;
  backdrop-filter: none !important;
}

.yiyu-unified-article-content {
  padding-top: 0 !important;
}

.yiyu-unified-article-content > .relative.max-w-4xl.mx-auto {
  background: #ffffff !important;
  border-left: 1px solid rgba(221, 226, 236, 0.72);
  border-right: 1px solid rgba(221, 226, 236, 0.72);
  border-bottom: 1px solid rgba(221, 226, 236, 0.72);
  border-bottom-left-radius: 28px;
  border-bottom-right-radius: 28px;
  box-shadow: 0 28px 80px -58px rgba(15, 23, 42, 0.45);
  overflow: hidden;
}

.yiyu-unified-article-content .yiyu-ai-illustration-section,
.yiyu-unified-article-content .yiyu-unified-article-body-shell {
  background: #ffffff !important;
  margin-top: 0 !important;
  margin-bottom: 0 !important;
}

.yiyu-unified-article-content .yiyu-ai-illustration-section {
  padding: clamp(1.35rem, 4.6vw, 2.35rem) clamp(1rem, 5vw, 2.35rem) clamp(1.45rem, 4.8vw, 2.25rem);
}

.yiyu-unified-article-content .yiyu-unified-article-body-shell {
  padding: clamp(1.55rem, 4.8vw, 2.6rem) clamp(1rem, 5vw, 2.35rem) clamp(2rem, 5vw, 3rem);
}

.yiyu-unified-article-content .yiyu-ai-illustration-section + .yiyu-unified-article-body-shell {
  padding-top: 0 !important;
}

.yiyu-unified-article-content .yiyu-unified-article-body-shell article.prose {
  max-width: none !important;
}

.yiyu-unified-article-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  height: clamp(2.2rem, 5vw, 3rem);
  background: #ffffff;
}

.yiyu-unified-article-divider::before,
.yiyu-unified-article-divider::after {
  content: "";
  width: min(13vw, 5.5rem);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(148, 163, 184, 0.28));
}

.yiyu-unified-article-divider::after {
  background: linear-gradient(90deg, rgba(148, 163, 184, 0.28), transparent);
}

.yiyu-unified-article-divider span {
  width: 0.38rem;
  height: 0.38rem;
  transform: rotate(45deg);
  border-radius: 1px;
  background: rgba(78, 91, 196, 0.30);
  box-shadow: 0 0 0 1px rgba(78, 91, 196, 0.06);
}

.yiyu-unified-article-content .yiyu-member-guide {
  margin-top: 3rem !important;
}

@media (max-width: 640px) {
  .yiyu-unified-article-hero-card {
    border-top-left-radius: 24px !important;
    border-top-right-radius: 24px !important;
  }

  .yiyu-unified-article-content > .relative.max-w-4xl.mx-auto {
    border-bottom-left-radius: 24px;
    border-bottom-right-radius: 24px;
  }

  .yiyu-unified-article-content .yiyu-ai-illustration-section,
  .yiyu-unified-article-content .yiyu-unified-article-body-shell {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .yiyu-unified-article-divider {
    gap: 0.45rem;
  }

  .yiyu-unified-article-divider span {
    width: 0.32rem;
    height: 0.32rem;
  }
}