:root { --paper: #f7f7f2; --ink: #24344d; --muted: #667085; --line: #d7dce3; --orange: #f59e0b; --orange-dark: #c2410c; --blue: #355b8c; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; }
a { color: inherit; }
.insight-site-header { position: sticky; z-index: 10; top: 0; display: flex; align-items: center; min-height: 68px; padding: 10px clamp(20px, 6vw, 92px); border-bottom: 1px solid var(--ink); background: rgba(247,247,242,.96); backdrop-filter: blur(14px); }
.insight-brand { display: flex; align-items: center; gap: 8px; text-decoration: none; font-size: 20px; font-weight: 900; }
.insight-brand img { width: 28px; height: 38px; object-fit: contain; }
.insight-brand em { color: var(--orange-dark); font-size: 9px; font-style: normal; letter-spacing: .15em; }
.insight-site-header nav { display: flex; gap: 26px; margin-left: auto; }
.insight-site-header nav a { font-size: 12px; font-weight: 800; text-decoration: none; }
.insights-index-shell, .insight-article-shell { max-width: 1180px; margin: 0 auto; padding: 0 28px 90px; }
.insights-index-hero { display: grid; grid-template-columns: 1fr minmax(280px, .58fr); gap: 32px; align-items: end; padding: 82px 0 64px; border-bottom: 5px solid var(--ink); }
.insights-index-hero > p { grid-column: 1 / -1; margin: 0; color: var(--orange-dark); font-size: 11px; font-weight: 900; letter-spacing: .13em; }
.insights-index-hero h1 { margin: 0; font-family: Georgia, "Songti SC", serif; font-size: clamp(46px, 7vw, 82px); font-weight: 500; line-height: 1.02; letter-spacing: -.05em; }
.insights-index-hero > span { padding-bottom: 8px; color: var(--muted); font-size: 16px; line-height: 1.8; }
.insight-issue { padding: 54px 0 0; }
.insight-issue > header { display: flex; align-items: end; gap: 30px; justify-content: space-between; padding-bottom: 18px; border-bottom: 1px solid var(--ink); }
.insight-issue > header span, .insight-analysis-grid section > span, .insight-sources > span { color: var(--orange-dark); font-size: 10px; font-weight: 900; letter-spacing: .12em; }
.insight-issue > header h2 { margin: 5px 0 0; font: 500 30px/1.1 Georgia, serif; }
.insight-issue > header p { margin: 0; color: var(--muted); font-size: 12px; }
.insight-issue > div { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.insight-issue article { display: flex; min-height: 310px; flex-direction: column; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.insight-issue article:nth-child(odd) { border-left: 1px solid var(--line); }
.insight-issue article > p { margin: 0; color: var(--blue); font-size: 10px; font-weight: 900; letter-spacing: .1em; }
.insight-issue h3 { margin: 34px 0 14px; font: 500 25px/1.35 Georgia, "Songti SC", serif; }
.insight-issue h3 a { text-decoration-thickness: 1px; text-underline-offset: 5px; }
.insight-issue article > span { color: var(--muted); font-size: 14px; line-height: 1.75; }
.insight-card-action { margin-top: auto; padding-top: 24px; color: var(--orange-dark); font-size: 12px; font-weight: 900; text-decoration: none; }
.insight-breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; padding: 26px 0; color: var(--muted); font-size: 11px; }
.insight-breadcrumb a { text-decoration: none; }
.insight-article { max-width: 920px; margin: 0 auto; }
.insight-article > header { padding: 56px 0 46px; border-bottom: 5px solid var(--ink); }
.insight-article > header > p { margin: 0 0 20px; color: var(--orange-dark); font-size: 11px; font-weight: 900; letter-spacing: .12em; }
.insight-article h1 { max-width: 860px; margin: 0; font: 500 clamp(38px, 5.5vw, 66px)/1.15 Georgia, "Songti SC", serif; letter-spacing: -.04em; }
.insight-article > header > div { display: flex; gap: 24px; margin-top: 26px; color: var(--muted); font-size: 11px; }
.insight-lead { padding: 48px clamp(24px, 5vw, 64px); background: #fff7ed; }
.insight-lead h2, .insight-analysis-grid h2, .insight-sources h2 { margin: 0 0 16px; font: 600 18px/1.3 Georgia, "Songti SC", serif; }
.insight-lead p { margin: 0; font: 500 clamp(20px, 2.7vw, 28px)/1.72 Georgia, "Songti SC", serif; }
.insight-analysis-grid { display: grid; grid-template-columns: 1fr 1fr; border-left: 1px solid var(--line); }
.insight-analysis-grid section { min-height: 290px; padding: 38px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.insight-analysis-grid h2 { margin-top: 12px; }
.insight-analysis-grid p, .insight-method p { margin: 0; color: #465266; font-size: 15px; line-height: 1.9; }
.insight-sources { padding: 48px 0; }
.insight-sources h2 { margin-top: 10px; }
.insight-sources ul { margin: 22px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--ink); }
.insight-sources li { border-bottom: 1px solid var(--line); }
.insight-sources a { display: grid; grid-template-columns: 140px minmax(0, 1fr) 180px; gap: 20px; align-items: center; padding: 19px 0; text-decoration: none; }
.insight-sources a strong { color: var(--blue); font-size: 12px; }
.insight-sources a span { font-size: 14px; font-weight: 700; line-height: 1.5; }
.insight-sources a small { color: var(--muted); text-align: right; }
.insight-method { padding: 24px 28px; border-left: 4px solid var(--orange); background: #fff; }
.insight-method strong { display: block; margin-bottom: 8px; color: var(--orange-dark); font-size: 11px; }
.insight-article > footer { display: flex; justify-content: space-between; gap: 18px; padding: 42px 0; }
.insight-article > footer a { font-size: 12px; font-weight: 900; text-decoration: none; }
.insight-empty { padding: 60px 0; color: var(--muted); }
@media (max-width: 720px) {
  .insight-site-header { padding-inline: 18px; }
  .insight-brand em { display: none; }
  .insight-site-header nav { gap: 14px; }
  .insight-site-header nav a:last-child { display: none; }
  .insights-index-shell, .insight-article-shell { padding-inline: 20px; }
  .insights-index-hero { grid-template-columns: 1fr; padding: 56px 0 44px; }
  .insight-issue > header { align-items: flex-start; flex-direction: column; gap: 12px; }
  .insight-issue > div, .insight-analysis-grid { grid-template-columns: 1fr; }
  .insight-issue article { min-height: 0; border-left: 1px solid var(--line); }
  .insight-article > header { padding-top: 30px; }
  .insight-article > header > div { align-items: flex-start; flex-direction: column; gap: 7px; }
  .insight-analysis-grid section { min-height: 0; padding: 30px 24px; }
  .insight-sources a { grid-template-columns: 1fr; gap: 6px; }
  .insight-sources a small { text-align: left; }
  .insight-article > footer { align-items: flex-start; flex-direction: column; }
}

.source-detail .insight-article h1 { font-size: clamp(32px, 4.5vw, 54px); line-height: 1.25; overflow-wrap: anywhere; }
.insight-article > header .source-original-title { margin: 20px 0 0; color: var(--muted); font-size: 14px; font-weight: 400; letter-spacing: 0; line-height: 1.7; }
.source-detail .insight-lead p { font-size: clamp(19px, 2.4vw, 25px); }
.source-people, .source-audio, .source-related { padding: 32px 0; border-bottom: 1px solid var(--line); }
.source-detail h2 { font-size: 20px; }
.source-people ul { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); padding: 0; margin: 20px 0 0; gap: 12px; list-style: none; }
.source-people li { padding: 16px 20px; background: white; border: 1px solid var(--line); }
.source-people li strong, .source-people li span { display: block; }
.source-people li span { margin-top: 6px; color: var(--muted); font-size: 12px; line-height: 1.6; }
.source-audio audio { display: block; width: 100%; }
.source-audio a, .source-detail footer a { font-size: 13px; color: var(--blue); }
.source-reader { padding-top: 40px; }
.source-reader > header > span { color: var(--orange-dark); font-size: 11px; letter-spacing: .12em; font-weight: 800; }
.source-reader > header p, .source-reader > header small { color: var(--muted); font-size: 13px; line-height: 1.8; }
.source-passage { margin: 24px 0; padding: 28px; background: white; border: 1px solid var(--line); }
.source-passage header { display: flex; align-items: baseline; flex-wrap: wrap; gap: 12px; }
.source-passage header strong { color: var(--blue); font-size: 14px; }
.source-passage header time, .source-passage header span { color: var(--muted); font-size: 12px; }
.source-translation { font: 500 22px/1.8 Georgia, "Songti SC", serif; }
.source-passage blockquote { margin: 20px 0; padding: 12px 20px; border-left: 3px solid var(--orange); background: #f7f7f2; color: #4b5563; font-size: 16px; line-height: 1.8; }
.source-passage .source-context { color: var(--muted); font-size: 13px; line-height: 1.8; }
.source-related p { line-height: 1.7; }
@media (max-width: 720px) {
  .source-people ul { grid-template-columns: 1fr; }
  .source-passage { padding: 20px; }
  .source-translation { font-size: 20px; }
  .source-detail .insight-article > header > div { flex-wrap: wrap; }
}
.source-synopsis { padding: 26px 0; color: #465266; font-size: 16px; line-height: 1.9; }
.source-detail .source-coverage { color: var(--muted); font: 13px/1.8 system-ui, sans-serif; }
.source-insight-list article { display: flex; gap: 20px; padding: 24px 0; border-top: 1px solid #ecd7c5; }
.source-insight-list article > span { color: var(--orange-dark); font: 600 20px/1.6 Georgia, serif; }
.source-insight-list h3 { margin: 0 0 12px; font-size: 19px; line-height: 1.6; }
.source-detail .source-insight-list p { font: 15px/1.9 system-ui, sans-serif; }
.source-people li p { margin: 10px 0 0; color: #465266; font-size: 13px; line-height: 1.8; }
.source-listen-link a { display: inline-flex; padding: 14px 22px; border-radius: 8px; background: var(--ink); color: white; font-size: 14px; font-weight: 700; text-decoration: none; }
.source-audio-status { color: var(--muted); font-size: 13px; }
.source-chinese-summary h3 { font-size: 20px; line-height: 1.6; }
.source-chinese-summary > p { font-size: 16px; line-height: 2; }

.source-core { margin: 16px 0 36px; border: 1px solid var(--ink); background: #fff; }
.source-core > header { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; padding: 34px 36px; color: #fff; background: var(--ink); }
.source-core > header span { color: #ffc278; font-size: 10px; font-weight: 800; letter-spacing: .16em; }
.source-detail .source-core h2 { margin: 10px 0 0; font: 700 clamp(32px,4vw,44px)/1.1 Inter, "PingFang SC", sans-serif; letter-spacing: -.03em; }
.source-core > header > p { margin: 0; color: #c7d3e5; font-size: 13px; line-height: 1.7; }
.source-core .source-insight-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); padding: 12px 32px 20px; column-gap: 36px; }
.source-core .source-insight-list article { display: block; padding: 26px 0; border-top: 1px solid var(--line); }
.source-core .source-insight-list article:first-child { grid-column: 1/-1; border-top: 0; padding-block: 32px; }
.source-core .source-insight-list article > span { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 14px; font: 700 12px/1.2 Inter, sans-serif; color: var(--orange-dark); }
.source-core .source-insight-list article > span::before { content: ''; width: 18px; height: 3px; background: var(--orange); }
.source-core .source-insight-list h3 { margin: 0 0 12px; color: var(--ink); font-size: 21px; line-height: 1.5; letter-spacing: -.025em; }
.source-core .source-insight-list article:first-child h3 { font-size: clamp(24px,3vw,30px); }
.source-core .source-insight-list p { margin: 0; color: #526174; font-size: 15px; line-height: 1.9; }
.source-core-takeaway { padding: 32px; font-size: 20px; line-height: 1.8; }
.source-reader > header { padding-bottom: 20px; border-bottom: 2px solid var(--ink); }
.source-detail .source-reader > header h2 { margin: 0; font-size: 30px; letter-spacing: -.035em; }
.transcript-turn { display: grid; grid-template-columns: 150px minmax(0,1fr); gap: 28px; padding: 30px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 90px; }
.transcript-turn header strong, .transcript-turn header time { display: block; }
.transcript-turn header strong { color: var(--blue); font-size: 14px; line-height: 1.6; }
.transcript-turn header time { margin-top: 8px; color: var(--muted); font: 12px/1.5 ui-monospace, monospace; }
.transcript-turn p { margin: 0 0 16px; color: #344256; font-size: 17px; line-height: 2; }
.transcript-turn p:last-child { margin-bottom: 0; }
.transcript-empty { padding: 26px 0 34px; color: var(--muted); font-size: 15px; line-height: 1.8; }
.transcript-empty a { color: var(--blue); font-size: 13px; }
.source-summary-archive { margin-top: 24px; border: 1px solid var(--line); background: #fff; }
.source-summary-archive > summary { padding: 18px 24px; cursor: pointer; color: var(--muted); font-size: 13px; font-weight: 600; }
.source-summary-archive > div { padding: 0 24px 8px; }
@media (max-width: 720px) {
  .source-core > header { padding: 28px 24px; align-items: flex-start; flex-direction: column; gap: 16px; }
  .source-core .source-insight-list { grid-template-columns: 1fr; padding-inline: 24px; }
  .source-core .source-insight-list h3 { font-size: 22px; }
  .transcript-turn { grid-template-columns: 1fr; gap: 12px; }
  .transcript-turn header { display: flex; align-items: baseline; gap: 12px; }
  .transcript-turn header time { margin-top: 0; }
  .source-summary-archive > div { padding-inline: 12px; }
}
.source-core .source-insight-list article:last-child:nth-child(even) { grid-column: 1/-1; }
.insight-article > header .source-publication-note { margin: 16px 0 0; color: var(--muted); font-size: 12px; font-weight: 400; line-height: 1.8; letter-spacing: 0; }