/* GEO 洞察：沿用一枝云蓝白视觉，阅读区优先。 */

.insights-hero {
  padding: clamp(78px, 10vw, 132px) 0 clamp(58px, 8vw, 96px);
  overflow: hidden;
  position: relative;
}

.insights-hero::after {
  content: 'GEO';
  position: absolute;
  right: -0.08em;
  bottom: -0.34em;
  z-index: -1;
  font: 700 clamp(210px, 32vw, 500px)/1 var(--font-en);
  letter-spacing: -.08em;
  color: oklch(0.9 0.04 240 / .35);
}

.insights-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr);
  align-items: end;
  gap: clamp(44px, 8vw, 110px);
}

.insights-hero h1 {
  margin: 26px 0 24px;
  max-width: 820px;
}

.insights-hero h1 em { color: var(--accent); font-style: normal; }
.insights-hero .lede { max-width: 690px; margin: 0; }

.insights-note {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background: oklch(0.99 0.005 240 / .88);
  box-shadow: var(--shadow-md);
}

.insights-note small,
.insights-section-head small,
.article-side small,
.article-source > small,
.insights-cta small,
.article-next small {
  color: var(--accent);
  font: 600 11px/1.4 var(--font-en);
  letter-spacing: .14em;
}

.insights-note strong {
  display: block;
  margin: 20px 0 10px;
  font-size: 21px;
}

.insights-note p {
  margin: 0;
  color: var(--fg-2);
  font-size: 14px;
  line-height: 1.8;
}

.insights-note-foot {
  margin-top: 25px;
  padding-top: 15px;
  border-top: 1px solid var(--line);
  color: var(--fg-3);
  font: 500 11px var(--font-mono);
}

.insights-snapshot {
  border-block: 1px solid var(--line);
  background: oklch(0.97 0.012 235 / .8);
}

.insights-snapshot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.insights-snapshot-grid > div {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 3px 20px;
  padding: 25px 30px;
  border-right: 1px solid var(--line);
}

.insights-snapshot-grid > div:last-child { border-right: 0; }
.insights-snapshot-grid span { color: var(--fg-2); font-size: 13px; }
.insights-snapshot-grid strong { grid-row: span 2; font: 700 40px/1 var(--font-en); color: var(--accent); }
.insights-snapshot-grid strong.snapshot-word {
  font-family: var(--font-sans);
  font-size: clamp(25px, 2.8vw, 36px);
  letter-spacing: -.05em;
  white-space: nowrap;
}
.insights-snapshot-grid small { color: var(--fg-3); font-size: 12px; }

.insights-section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 34px;
}

.insights-section-head h2 {
  margin: 9px 0 0;
  font-size: clamp(27px, 3.2vw, 42px);
  letter-spacing: -.03em;
}

.insights-section-head > span {
  color: var(--fg-3);
  font-size: 13px;
}

.featured-story {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: clamp(34px, 7vw, 90px);
  padding: clamp(34px, 6vw, 72px);
  border-radius: var(--r-xl);
  background: var(--bg-ink);
  color: var(--fg-on-ink);
  box-shadow: var(--shadow-lg);
}

.featured-index {
  font: 600 clamp(72px, 10vw, 130px)/.8 var(--font-en);
  letter-spacing: -.08em;
  color: oklch(0.55 0.1 245 / .45);
}

.insight-card-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--fg-3);
  font: 500 11px var(--font-mono);
}

.insight-card-meta span {
  color: var(--accent);
  font-family: var(--font-sans);
  font-weight: 600;
}

.featured-story .insight-card-meta { color: oklch(0.7 0.02 240); }
.featured-story .insight-card-meta span { color: var(--cyan); }

.featured-story h2 {
  margin: 20px 0 16px;
  max-width: 850px;
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.18;
  letter-spacing: -.035em;
}

.featured-story h2 a:hover { color: var(--cyan); }
.featured-story p { max-width: 790px; color: oklch(0.82 0.016 235); line-height: 1.85; }
.featured-story .btn { margin-top: 18px; }

.insights-list-section { background: white; }
.insights-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

.insight-card {
  min-height: 310px;
  display: flex;
  flex-direction: column;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--bg);
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.insight-card:hover {
  transform: translateY(-3px);
  border-color: oklch(0.76 0.1 245);
  box-shadow: var(--shadow-md);
}

.insight-card h2 {
  margin: 28px 0 12px;
  font-size: clamp(23px, 2.4vw, 32px);
  line-height: 1.28;
  letter-spacing: -.025em;
}

.insight-card p { color: var(--fg-2); font-size: 14px; line-height: 1.8; }
.insight-link { margin-top: auto; color: var(--accent); font-size: 14px; font-weight: 600; }
.insight-link span { margin-left: 5px; transition: margin .15s; }
.insight-link:hover span { margin-left: 10px; }

.insights-upcoming { background: var(--bg-2); }
.upcoming-list { border-top: 1px solid var(--line-2); }

.upcoming-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 120px;
  gap: 20px;
  align-items: center;
  padding: 23px 4px;
  border-bottom: 1px solid var(--line);
  transition: color .18s ease, background .18s ease, padding .18s ease;
}

.upcoming-row > span { color: var(--fg-3); font: 500 12px var(--font-mono); }
.upcoming-row strong { font-size: 17px; }
.upcoming-row small { justify-self: end; color: var(--accent); font-weight: 600; }
.upcoming-row:hover {
  padding-inline: 14px;
  background: oklch(0.985 0.008 235);
  color: var(--accent);
}

.insights-cta,
.article-next {
  padding: clamp(54px, 7vw, 90px) 0;
  background: var(--bg-ink);
  color: var(--fg-on-ink);
}

.insights-cta-inner,
.article-next-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.insights-cta h2,
.article-next h2 { margin: 10px 0 8px; font-size: clamp(28px, 3.5vw, 44px); }
.insights-cta p { margin: 0; color: oklch(0.78 0.015 235); }

/* Article */
.article-hero {
  padding: clamp(64px, 9vw, 112px) 0 clamp(54px, 7vw, 82px);
  border-bottom: 1px solid var(--line);
}

.article-hero-inner { max-width: 1040px; }
.article-breadcrumb { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 34px; color: var(--fg-3); font-size: 12px; }
.article-breadcrumb a:hover { color: var(--accent); }
.article-hero h1 { max-width: 980px; margin: 22px 0; font-size: clamp(40px, 6vw, 74px); line-height: 1.08; letter-spacing: -.05em; }
.article-hero > .container > p,
.article-hero-inner > p { max-width: 800px; color: var(--fg-2); font-size: clamp(17px, 2vw, 21px); line-height: 1.8; }

.article-byline {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 25px;
  margin-top: 32px;
  color: var(--fg-3);
  font-size: 12px;
}

.article-layout {
  display: grid;
  grid-template-columns: 210px minmax(0, 760px);
  justify-content: center;
  gap: clamp(50px, 8vw, 105px);
  padding-top: clamp(64px, 8vw, 104px);
  padding-bottom: clamp(72px, 10vw, 130px);
}

.article-side {
  position: sticky;
  top: 100px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 11px;
  padding: 22px 0;
  border-block: 1px solid var(--line);
}

.article-side strong { margin: 5px 0 8px; font-size: 15px; }
.article-side a { color: var(--fg-2); font-size: 13px; }
.article-side a:hover { color: var(--accent); }

.article-body { color: oklch(0.27 0.025 248); font-size: 17px; line-height: 1.95; }
.article-body > p { margin: 0 0 26px; }
.article-body h2 { margin: 66px 0 22px; font-size: clamp(27px, 3.4vw, 38px); line-height: 1.28; letter-spacing: -.03em; color: var(--fg); }
.article-body h3 { margin: 42px 0 18px; font-size: 23px; color: var(--fg); }
.article-body ul,
.article-body ol { margin: 0 0 30px; padding-left: 1.35em; }
.article-body li { margin: 9px 0; padding-left: 6px; }
.article-body strong { color: var(--fg); }
.article-body code { padding: 2px 6px; border-radius: 5px; background: var(--bg-3); font: .86em var(--font-mono); }

.article-body blockquote {
  margin: 0 0 42px;
  padding: 23px 26px 23px 28px;
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: var(--accent-soft);
}

.article-body blockquote p { margin: 0; color: var(--accent-ink); font-size: 15px; line-height: 1.8; }

.article-source {
  margin-top: 72px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--bg-2);
}

.article-source h2 { margin: 13px 0 12px; font-size: 23px; }
.article-source p { margin: 0; color: var(--fg-2); font-size: 14px; line-height: 1.8; }

.article-end {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 45px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--fg-3);
  font: 500 11px var(--font-mono);
}

.article-end a { color: var(--accent); font-family: var(--font-sans); font-size: 13px; font-weight: 600; }

@media (max-width: 900px) {
  .insights-hero-grid { grid-template-columns: 1fr; align-items: start; }
  .insights-note { max-width: 560px; }
  .featured-story { grid-template-columns: 110px minmax(0, 1fr); }
  .article-layout { grid-template-columns: 1fr; }
  .article-side { position: static; display: grid; grid-template-columns: repeat(2, 1fr); }
  .article-side small,
  .article-side strong { grid-column: 1 / -1; }
}

@media (max-width: 700px) {
  .insights-snapshot-grid { grid-template-columns: 1fr; }
  .insights-snapshot-grid > div { border-right: 0; border-bottom: 1px solid var(--line); }
  .insights-snapshot-grid > div:last-child { border-bottom: 0; }
  .featured-story { grid-template-columns: 1fr; }
  .featured-index { font-size: 72px; }
  .insights-grid { grid-template-columns: 1fr; }
  .upcoming-row { grid-template-columns: 42px minmax(0, 1fr); }
  .upcoming-row small { grid-column: 2; justify-self: start; }
  .insights-cta-inner,
  .article-next-inner { align-items: flex-start; flex-direction: column; }
  .article-hero h1 { font-size: clamp(37px, 11.5vw, 56px); }
  .article-layout { padding-inline: var(--pad-x); }
  .article-body { font-size: 16px; }
}

@media (max-width: 430px) {
  .insights-section-head { align-items: flex-start; flex-direction: column; }
  .featured-story { padding: 28px 23px; }
  .insight-card { padding: 25px 22px; }
  .article-side { grid-template-columns: 1fr; }
  .article-side small,
  .article-side strong { grid-column: auto; }
  .article-end { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  .insight-card,
  .insight-link span { transition: none; }
}