.knowledge-hero {
  position: relative;
  overflow: hidden;
  padding: 112px 0 92px;
  background:
    radial-gradient(circle at 80% 20%, rgba(196,165,106,.10), transparent 28%),
    linear-gradient(135deg, #0e0d0b 0%, #15120f 58%, #1b1711 100%);
  border-bottom: 1px solid var(--line-soft);
}

.knowledge-hero-grid {
  display: grid;
  grid-template-columns: minmax(0,1.15fr) minmax(260px,.55fr);
  gap: 70px;
  align-items: end;
}

.knowledge-hero h1,
.article-hero h1 {
  margin-bottom: 24px;
  font-size: clamp(44px, 6vw, 82px);
  line-height: 1;
}

.knowledge-note {
  border: 1px solid var(--line);
  padding: 28px;
  background: rgba(17,16,14,.72);
  box-shadow: var(--shadow);
}
.knowledge-note strong {
  display: block;
  margin-bottom: 12px;
  color: var(--gold);
  font: 700 11px/1.2 Arial, sans-serif;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.knowledge-note p {
  margin: 0;
  color: var(--cream-2);
  font: 400 15px/1.65 Arial, sans-serif;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.topic-card {
  min-height: 230px;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.012);
}
.topic-card.live {
  background: linear-gradient(145deg, rgba(196,165,106,.12), rgba(196,165,106,.025));
}
.topic-label {
  display: inline-block;
  margin-bottom: 28px;
  color: var(--gold-soft);
  font: 700 10px/1 Arial, sans-serif;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.topic-card h3 { font-size: 24px; margin-bottom: 12px; }
.topic-card p {
  margin-bottom: 20px;
  color: var(--muted);
  font: 400 15px/1.6 Arial, sans-serif;
}
.topic-link {
  color: var(--gold-2);
  font: 700 11px/1.3 Arial, sans-serif;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.topic-status {
  color: #81796d;
  font: 700 10px/1.3 Arial, sans-serif;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.feature-article {
  display: grid;
  grid-template-columns: minmax(190px,280px) minmax(0,1fr);
  gap: 52px;
  align-items: center;
  border: 1px solid var(--line);
  padding: 34px;
  background: radial-gradient(circle at 15% 0%, rgba(196,165,106,.09), transparent 36%), rgba(255,255,255,.01);
}
.feature-article img {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border: 1px solid rgba(196,165,106,.36);
  box-shadow: 0 20px 44px rgba(0,0,0,.45);
}
.feature-article h2 { margin-bottom: 16px; }
.feature-article p { color: var(--cream-2); font-size: 18px; }

.article-hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 78px;
  background:
    radial-gradient(circle at 78% 22%, rgba(196,165,106,.09), transparent 28%),
    linear-gradient(135deg, #0e0d0b 0%, #15120f 58%, #1b1711 100%);
  border-bottom: 1px solid var(--line-soft);
}
.article-hero-grid {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(220px,300px);
  gap: 64px;
  align-items: end;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 26px;
  color: var(--muted);
  font: 500 12px/1.4 Arial, sans-serif;
}
.article-meta span + span::before {
  content: '·';
  margin-right: 18px;
  color: var(--gold-soft);
}
.article-side {
  padding: 26px;
  border: 1px solid var(--line);
  background: rgba(17,16,14,.74);
}
.article-side strong {
  display: block;
  margin-bottom: 13px;
  color: var(--gold);
  font: 700 11px/1.2 Arial, sans-serif;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.article-side p {
  margin: 0;
  color: var(--cream-2);
  font: 400 15px/1.65 Arial, sans-serif;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
  color: var(--muted);
  font: 500 12px/1.4 Arial, sans-serif;
}
.breadcrumbs a:hover { color: var(--gold); }
.breadcrumbs span { color: #6f685e; }

.article-layout {
  display: grid;
  grid-template-columns: minmax(220px,280px) minmax(0,760px);
  justify-content: center;
  gap: 68px;
  align-items: start;
}
.article-toc {
  position: sticky;
  top: 96px;
  padding: 24px;
  border: 1px solid var(--line);
  background: #11100e;
}
.article-toc strong {
  display: block;
  margin-bottom: 16px;
  color: var(--gold);
  font: 700 10px/1.2 Arial, sans-serif;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.article-toc ol {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font: 400 13px/1.55 Arial, sans-serif;
}
.article-toc li { margin-bottom: 9px; }
.article-toc a:hover { color: var(--cream); }

.article-body {
  min-width: 0;
}
.article-body > p,
.article-body li {
  color: var(--cream-2);
  font-size: 18px;
  line-height: 1.75;
}
.article-body > p { margin-bottom: 24px; }
.article-body h2 {
  margin-top: 64px;
  margin-bottom: 20px;
  font-size: clamp(30px, 3.4vw, 44px);
}
.article-body h3 {
  margin-top: 34px;
  margin-bottom: 12px;
  font-size: 25px;
}
.article-body ul,
.article-body ol { padding-left: 1.35em; margin-bottom: 28px; }
.article-body li { margin-bottom: 8px; }
.article-body strong { color: var(--white); }
.article-body a { color: var(--gold-2); text-decoration: underline; text-decoration-color: rgba(215,189,134,.45); text-underline-offset: 3px; }

.article-leadbox {
  margin: 0 0 38px;
  padding: 26px 28px;
  border-left: 2px solid var(--gold);
  background: rgba(196,165,106,.055);
  color: var(--cream);
  font-size: 20px;
  line-height: 1.65;
}
.step-box {
  margin: 30px 0;
  padding: 28px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.012);
}
.step-box .step-number {
  display: block;
  margin-bottom: 14px;
  color: var(--gold-soft);
  font: 700 10px/1 Arial, sans-serif;
  letter-spacing: .16em;
}
.step-box h3 { margin-top: 0; }
.step-box p { color: var(--cream-2); font-size: 17px; line-height: 1.7; }

.article-checklist {
  margin: 34px 0;
  padding: 30px;
  border: 1px solid var(--line);
  background: radial-gradient(circle at 0 0, rgba(196,165,106,.09), transparent 38%), #11100e;
}
.article-checklist h3 { margin-top: 0; }
.article-checklist li { font-size: 16px; }

.article-cta {
  display: grid;
  grid-template-columns: minmax(150px,220px) minmax(0,1fr);
  gap: 34px;
  align-items: center;
  margin: 58px 0 18px;
  padding: 30px;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(196,165,106,.10), rgba(255,255,255,.01));
}
.article-cta img {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border: 1px solid rgba(196,165,106,.38);
  box-shadow: 0 18px 40px rgba(0,0,0,.42);
}
.article-cta h3 { margin-top: 0; }
.article-cta p { color: var(--cream-2); font-size: 16px; }

.faq-list {
  border-top: 1px solid var(--line);
}
.faq-item {
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}
.faq-item h3 { margin: 0 0 10px; font-size: 21px; }
.faq-item p { margin: 0; color: var(--cream-2); font-size: 16px; line-height: 1.7; }

@media (max-width: 980px) {
  .knowledge-hero-grid,
  .article-hero-grid,
  .article-layout { grid-template-columns: 1fr; gap: 36px; }
  .topic-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .article-toc { position: static; }
  .feature-article { grid-template-columns: minmax(150px,210px) 1fr; }
}

@media (max-width: 620px) {
  .knowledge-hero,
  .article-hero { padding: 76px 0 64px; }
  .topic-grid { grid-template-columns: 1fr; }
  .feature-article,
  .article-cta { grid-template-columns: 1fr; padding: 24px; }
  .feature-article img,
  .article-cta img { width: min(70vw,220px); }
  .article-body > p,
  .article-body li { font-size: 17px; }
  .article-body h2 { margin-top: 50px; }
  .article-meta span + span::before { display: none; }
}