:root {
  --bg: #f3f3ee;
  --paper: #fafaf6;
  --paper-2: #ecece5;
  --ink: #17191c;
  --ink-2: #42464d;
  --ink-3: #777d86;
  --rule: #cfd0c8;
  --ai: #315cff;
  --ai-soft: #e9edff;
  --biz: #9a5b38;
  --biz-soft: #efe3da;
  --biz-rule: #c9c0b8;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
.wrap { width: min(1120px, calc(100% - 48px)); margin-inline: auto; }

.brand-en, .issue, .nav a, .spectral-label, .tag, .eyebrow, .note-label,
.note-block strong, .kicker, .index-no, .meta, .section-label span:first-child,
.quote-small, .tracing-card blockquote, .panel-head, dt, .business-meta,
.business-strip span, .appendix-title, .appendix-label, .appendix-fine,
.footer-label, .footer-fine {
  font-family: "Spectral", Georgia, serif;
}

.masthead {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(243, 243, 238, .96);
  border-bottom: 1px solid var(--rule);
  backdrop-filter: blur(10px);
}
.masthead-inner {
  min-height: 56px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
  min-width: 0;
}
.brand-en {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  white-space: nowrap;
}
.brand-cn { font-size: 11px; color: var(--ink-3); white-space: nowrap; }
.issue {
  color: var(--ink-3);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.nav { display: flex; justify-content: flex-end; gap: 22px; }
.nav a {
  color: var(--ink-2);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  text-decoration: none;
}
.nav a:hover { color: var(--ai); }

.cover {
  padding: 72px 0 54px;
  border-bottom: 2px solid var(--ink);
}
.cover-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--ink-3);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.cover-meta .rule { flex: 1; height: 1px; background: var(--rule); }
.tag { border: 1px solid var(--rule); padding: 3px 9px; }
.tag-ai { color: var(--ai); }
.cover-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.68fr) minmax(245px, .72fr);
  gap: 66px;
  align-items: end;
  margin-top: 58px;
}
.eyebrow {
  color: var(--ai);
  font-size: 11px;
  font-style: italic;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.cover h1 {
  font-size: clamp(54px, 8vw, 96px);
  line-height: .98;
  letter-spacing: -.055em;
  font-weight: 900;
}
.dek {
  max-width: 650px;
  margin-top: 28px;
  padding-left: 18px;
  border-left: 3px solid var(--ai);
  color: var(--ink-2);
  font-size: 15px;
  font-weight: 300;
  line-height: 1.85;
}
.cover-note {
  position: relative;
  border-top: 2px solid var(--ink);
  padding: 17px 0 58px;
}
.note-label {
  color: var(--ink-3);
  font-size: 10px;
  font-style: italic;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.note-block + .note-block { margin-top: 14px; }
.note-block strong {
  display: block;
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 2px;
}
.note-block p { color: var(--ink-2); font-size: 12px; line-height: 1.65; }
.stamp {
  position: absolute;
  right: 0;
  bottom: 0;
  font-family: "Noto Sans SC", sans-serif;
  font-size: 46px;
  line-height: 1;
  font-weight: 900;
  color: var(--ai);
  opacity: .18;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--rule);
  color: var(--ink-3);
  font-size: 10px;
  letter-spacing: .08em;
}
.section-label span:first-child {
  color: var(--ink);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.section-label span:first-child::after {
  content: "";
  display: inline-block;
  width: 42px;
  height: 1px;
  background: var(--rule);
  margin-left: 14px;
  vertical-align: middle;
}

.editorial { padding: 54px 0 8px; }
.editorial-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr);
  gap: 56px;
  padding: 40px 0 48px;
}
.kicker {
  display: inline-block;
  padding: 2px 7px 1px;
  border: 1px solid currentColor;
  font-size: 10px;
  font-style: italic;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.kicker.ai { color: var(--ai); }
.kicker.biz { color: var(--biz); }
.editorial-copy h2 {
  margin: 17px 0 11px;
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1.06;
  letter-spacing: -.04em;
  font-weight: 800;
}
.editorial-copy > p { color: var(--ink-2); max-width: 62ch; font-size: 15px; }
.verdict-panel {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--ai);
  padding: 26px;
}
.panel-head {
  color: var(--ink-3);
  font-size: 10px;
  font-style: italic;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 15px;
}
.verdict { font-size: 23px; line-height: 1.45; font-weight: 700; margin-bottom: 23px; }
dl div {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 16px;
  padding: 9px 0;
  border-top: 1px solid var(--rule);
}
dt, dd { font-size: 10px; }
dt { color: var(--ink-3); font-style: italic; letter-spacing: .06em; }
dd { color: var(--ink-2); font-family: "Noto Sans SC", sans-serif; }

.quote-section { padding: 22px 0 62px; }
.tracing-card {
  position: relative;
  background: rgba(255,255,255,.48);
  border: 1px solid var(--rule);
  padding: 34px 46px 32px;
  transform: rotate(-.22deg);
  box-shadow: 2px 4px 14px rgba(0,0,0,.035);
}
.tracing-card::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 24px;
  height: 24px;
  border-left: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--bg);
}
.quote-small {
  text-align: center;
  color: var(--ink-3);
  font-size: 10px;
  font-style: italic;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.tracing-card blockquote {
  margin: 8px 0 3px;
  text-align: center;
  color: var(--ink);
  font-size: clamp(38px, 5vw, 58px);
  font-style: italic;
  font-weight: 600;
  line-height: 1.12;
}
.tracing-card p { text-align: center; color: var(--ink-2); font-size: 12px; }

.latest-head { padding-top: 2px; }
.section-intro { padding: 15px 0 4px; color: var(--ink-3); font-size: 12px; }
.posts { padding-bottom: 70px; }
.post {
  --post-accent: var(--ai);
  display: grid;
  grid-template-columns: minmax(245px, .72fr) minmax(0, 1.28fr);
  gap: 56px;
  padding: 46px 0;
  border-top: 2px solid var(--post-accent);
  border-bottom: 1px solid var(--rule);
}
.post + .post { border-top-width: 1px; }
.post-business { --post-accent: var(--biz); }
.post-topline { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.index-no {
  color: var(--ink-3);
  font-size: 10px;
  font-style: italic;
  letter-spacing: .06em;
}
.post h2 {
  margin: 17px 0 9px;
  font-size: clamp(28px, 3.2vw, 39px);
  line-height: 1.18;
  letter-spacing: -.035em;
  font-weight: 800;
}
.meta {
  color: var(--ink-3);
  font-size: 10px;
  font-style: italic;
  letter-spacing: .045em;
}
.content { color: var(--ink-2); min-width: 0; }
.content p, .content li { font-size: 15px; }
.content p + p { margin-top: 1.15em; }
.content ul, .content ol { margin: 14px 0 0 1.25em; }
.content h3 { margin: 1.65em 0 .65em; color: var(--ink); font-size: 20px; }
.content blockquote {
  margin: 1.5em 0;
  padding: 4px 0 4px 18px;
  border-left: 3px solid var(--post-accent);
  color: var(--ink);
  font-weight: 500;
}
.content pre {
  margin: 18px 0;
  padding: 16px 18px;
  overflow-x: auto;
  background: #1e2023;
  color: #e8e8e3;
  border-radius: 0;
  font: 13px/1.7 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.content img, figure img { width: 100%; display: block; height: auto; margin: 20px 0 0; }
figure { margin-top: 20px; }
figcaption {
  border-top: 1px solid var(--rule);
  padding-top: 7px;
  margin-top: 7px;
  color: var(--ink-3);
  font: italic 11px/1.5 "Spectral", Georgia, serif;
}
.video-embed, .content .video-wrap {
  position: relative;
  padding-top: 56.25%;
  margin-top: 20px;
  background: #111;
  overflow: hidden;
}
.video-embed iframe, .content .video-wrap iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.mini-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
  margin-top: 22px;
}
.mini-grid > div { padding: 14px 16px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.mini-grid span { color: var(--ai); font: italic 10px "Spectral", serif; }
.mini-grid strong { display: block; color: var(--ink); font-size: 13px; margin: 3px 0; }
.mini-grid p { color: var(--ink-3); font-size: 11.5px; }
.business-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 22px;
  border-top: 1px solid var(--biz-rule);
  border-left: 1px solid var(--biz-rule);
}
.business-strip span {
  padding: 7px 10px 6px;
  border-right: 1px solid var(--biz-rule);
  border-bottom: 1px solid var(--biz-rule);
  color: var(--biz);
  font-size: 9px;
  font-style: italic;
  letter-spacing: .06em;
}

.business-band {
  background: #ece8e2;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 62px;
}
.business-label { border-bottom-color: var(--biz-rule); }
.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--biz-rule);
  border-top: 3px solid var(--biz);
  margin-top: 34px;
}
.business-card { padding: 30px; min-height: 280px; }
.business-card + .business-card { border-left: 1px solid var(--biz-rule); }
.business-card h3 { font-size: 25px; line-height: 1.3; margin: 20px 0 13px; letter-spacing: -.025em; }
.business-card p { color: var(--ink-2); font-size: 13px; line-height: 1.8; }
.business-meta {
  margin-top: 24px;
  padding-top: 11px;
  border-top: 1px solid var(--biz-rule);
  color: var(--biz);
  font-size: 9px;
  font-style: italic;
  letter-spacing: .06em;
}

.about { padding: 62px 0 74px; }
.tracing-appendix {
  position: relative;
  background: rgba(255,255,255,.47);
  border: 1px solid var(--rule);
  padding: 34px 42px 28px;
  transform: rotate(-.28deg);
  box-shadow: 2px 5px 15px rgba(0,0,0,.025);
}
.tracing-appendix::before {
  content: "APPENDIX · ABOUT";
  position: absolute;
  left: 18px;
  top: -10px;
  background: var(--bg);
  padding: 0 8px;
  color: var(--ink-3);
  font: italic 10px "Spectral", Georgia, serif;
  letter-spacing: .08em;
}
.appendix-inner { transform: rotate(.28deg); }
.appendix-title {
  font-size: 35px;
  line-height: 1;
  font-style: italic;
  font-weight: 600;
  margin-bottom: 23px;
}
.appendix-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 38px; }
.appendix-label {
  color: var(--ink-3);
  border-bottom: 1px dashed var(--rule);
  padding-bottom: 4px;
  margin-bottom: 8px;
  font-size: 10px;
  font-style: italic;
  letter-spacing: .08em;
}
.tracing-appendix p { color: var(--ink-2); font-size: 12.5px; }
.appendix-fine {
  margin-top: 24px;
  padding-top: 10px;
  border-top: 1px solid var(--rule);
  color: var(--ink-3);
  font-size: 9px;
  font-style: italic;
  letter-spacing: .07em;
}

.footer { background: #17191c; color: #d7d9d3; padding: 46px 0 25px; }
.footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.footer-label { color: #80858c; font-size: 9px; font-style: italic; letter-spacing: .08em; }
.footer p { font-size: 12px; margin-top: 4px; }
.footer-fine {
  border-top: 1px solid #34373b;
  margin-top: 28px;
  padding-top: 14px;
  color: #666c74;
  font-size: 9px;
  font-style: italic;
  letter-spacing: .07em;
}

@media (max-width: 900px) {
  .masthead-inner { grid-template-columns: 1fr auto; }
  .issue { display: none; }
  .cover-grid, .editorial-grid, .post { grid-template-columns: 1fr; gap: 30px; }
  .business-grid { grid-template-columns: 1fr; }
  .business-card + .business-card { border-left: 0; border-top: 1px solid var(--biz-rule); }
}

@media (max-width: 600px) {
  .wrap { width: min(100% - 30px, 1120px); }
  .masthead-inner { min-height: 52px; gap: 10px; }
  .brand-cn { display: none; }
  .brand-en { font-size: 10px; }
  .nav { gap: 10px; }
  .nav a { font-size: 8px; }
  .cover { padding-top: 45px; }
  .cover-meta .spectral-label { display: none; }
  .cover-grid { margin-top: 35px; }
  .cover h1 { font-size: clamp(48px, 15vw, 72px); }
  .dek { font-size: 14px; }
  .editorial-grid { padding-top: 32px; }
  .verdict-panel { padding: 22px; }
  .tracing-card, .tracing-appendix { padding: 27px 22px; }
  .tracing-card blockquote { font-size: clamp(34px, 11vw, 48px); }
  .post { padding: 36px 0; }
  .mini-grid, .appendix-grid, .footer-grid { grid-template-columns: 1fr; }
  .business-card { min-height: 0; }
}