:root {
  --paper: #f6f3ec;
  --ink: #101828;
  --soft-ink: #53606f;
  --line: #d9d5ca;
  --blue: #0052ff;
  --blue-dark: #003dbf;
  --signal: #ff5c35;
  --card: #fffdf8;
  --code: #111827;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(16, 24, 40, .035) 1px, transparent 1px),
    var(--paper);
  background-size: 100% 32px;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
}
a { color: inherit; }
img { max-width: 100%; }
.container { width: min(1160px, 92%); margin: 0 auto; }

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(16, 24, 40, .13);
  background: rgba(246, 243, 236, .92);
  backdrop-filter: blur(16px);
}
.nav-inner { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 900; text-decoration: none; letter-spacing: -.03em; }
.brand img { width: 34px; height: 34px; border-radius: 10px; }
.brand small { padding-left: 10px; border-left: 1px solid var(--line); color: var(--soft-ink); font: 700 11px/1.2 ui-monospace, monospace; letter-spacing: .14em; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 18px; }
.nav-link { color: var(--soft-ink); font-size: 14px; font-weight: 700; text-decoration: none; }
.nav-link:hover, .nav-link.active { color: var(--blue); }
.nav-cta { padding: 9px 14px; border: 1px solid var(--ink); background: var(--ink); color: #fff; text-decoration: none; font-size: 13px; font-weight: 800; }

.blog-hero { padding: 86px 0 48px; border-bottom: 1px solid var(--line); }
.issue-line { display: flex; justify-content: space-between; gap: 20px; margin-bottom: 28px; color: var(--soft-ink); font: 700 11px/1.4 ui-monospace, monospace; letter-spacing: .13em; text-transform: uppercase; }
.hero-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 70px; align-items: end; }
.eyebrow { color: var(--blue); font: 800 12px/1.4 ui-monospace, monospace; letter-spacing: .15em; text-transform: uppercase; }
h1, h2, h3 { font-family: Georgia, "Songti SC", "SimSun", serif; }
.blog-hero h1 { max-width: 760px; margin: 12px 0 18px; font-size: clamp(48px, 7vw, 92px); line-height: .98; letter-spacing: -.055em; }
.blog-hero h1 em { color: var(--blue); font-style: normal; }
.hero-note { margin: 0; color: var(--soft-ink); font-size: 18px; }
.dispatch { border-top: 4px solid var(--ink); padding-top: 18px; }
.dispatch strong { display: block; margin-bottom: 8px; font: 800 13px/1.4 ui-monospace, monospace; text-transform: uppercase; }
.dispatch p { margin: 0; color: var(--soft-ink); }

.section { padding: 62px 0; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-bottom: 26px; border-bottom: 3px solid var(--ink); }
.section-head h2 { margin: 0 0 10px; font-size: 30px; }
.section-head span { color: var(--soft-ink); font: 700 11px/1.4 ui-monospace, monospace; text-transform: uppercase; }
.lead-story { display: grid; grid-template-columns: 1.15fr .85fr; min-height: 440px; border: 1px solid var(--line); background: var(--card); }
.lead-art { position: relative; overflow: hidden; min-height: 360px; background: var(--blue); }
.lead-art img { width: 100%; height: 100%; min-height: 360px; object-fit: cover; display: block; transition: transform .4s ease; }
.lead-art:hover img { transform: scale(1.025); }
.lead-copy { padding: clamp(28px, 5vw, 62px); display: flex; flex-direction: column; justify-content: center; }
.meta { display: flex; flex-wrap: wrap; gap: 8px 16px; color: var(--soft-ink); font: 700 11px/1.4 ui-monospace, monospace; text-transform: uppercase; }
.lead-copy h2 { margin: 18px 0 14px; font-size: clamp(32px, 4vw, 52px); line-height: 1.08; }
.lead-copy p { color: var(--soft-ink); font-size: 16px; }
.read-link { align-self: flex-start; margin-top: 12px; color: var(--blue); font-weight: 850; text-decoration: none; border-bottom: 2px solid currentColor; }

.story-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.story-card { position: relative; min-height: 340px; padding: 30px; border: 1px solid var(--line); background: var(--card); transition: transform .2s ease, box-shadow .2s ease; }
.story-card:hover { transform: translateY(-5px); box-shadow: 10px 12px 0 rgba(0, 82, 255, .12); }
.story-card::before { content: attr(data-no); position: absolute; right: 24px; top: 18px; color: rgba(16,24,40,.08); font: 900 74px/1 Georgia, serif; }
.story-card h3 { position: relative; margin: 46px 0 14px; font-size: 30px; line-height: 1.15; }
.story-card p { color: var(--soft-ink); }
.cluster-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.cluster { min-height: 210px; padding: 24px; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); text-decoration: none; background: rgba(255,255,255,.3); }
.cluster:hover { background: var(--ink); color: #fff; }
.cluster b { display: block; color: var(--blue); font: 800 11px/1.4 ui-monospace, monospace; text-transform: uppercase; }
.cluster h3 { margin: 44px 0 8px; font-size: 23px; }
.cluster span { color: var(--soft-ink); font-size: 13px; }
.cluster:hover span { color: #cbd5e1; }
.newsletter { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; padding: 38px; color: white; background: var(--blue); }
.newsletter h2 { margin: 0 0 6px; font-size: 32px; }
.newsletter p { margin: 0; color: #dbe6ff; }
.newsletter a { padding: 12px 18px; color: var(--ink); background: white; font-weight: 850; text-decoration: none; }

.article-shell { display: grid; grid-template-columns: minmax(0, 760px) 250px; gap: 74px; align-items: start; padding: 72px 0; }
.article-header { padding-bottom: 36px; border-bottom: 1px solid var(--line); }
.article-header h1 { margin: 16px 0 22px; font-size: clamp(42px, 6vw, 70px); line-height: 1.03; letter-spacing: -.045em; }
.article-deck { margin: 0 0 22px; color: var(--soft-ink); font-size: 19px; }
.byline { display: flex; flex-wrap: wrap; gap: 10px 22px; color: var(--soft-ink); font-size: 13px; }
.article-cover { margin: 30px 0 0; }
.article-cover img { display: block; width: 100%; height: auto; border: 1px solid var(--line); }
.article-body { font-family: Georgia, "Noto Serif SC", "Songti SC", serif; font-size: 18px; }
.article-body h2 { margin: 58px 0 18px; padding-top: 12px; border-top: 3px solid var(--ink); font-size: 32px; line-height: 1.25; }
.article-body h3 { margin-top: 34px; font-size: 23px; }
.article-body p, .article-body li { color: #273444; }
.article-body a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.article-body pre { overflow-x: auto; padding: 24px; border-left: 5px solid var(--signal); color: #e5e7eb; background: var(--code); font: 14px/1.7 ui-monospace, SFMono-Regular, Consolas, monospace; }
.article-body code { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.article-body :not(pre) > code { padding: 2px 6px; color: #003dbf; background: #e5ecff; font-size: .88em; }
.article-body blockquote { margin: 32px 0; padding: 22px 28px; border-left: 5px solid var(--blue); background: rgba(0,82,255,.06); font-size: 20px; }
.article-body table { width: 100%; border-collapse: collapse; margin: 28px 0; font-family: "Noto Sans SC", sans-serif; font-size: 14px; }
.article-body th, .article-body td { padding: 12px; border: 1px solid var(--line); text-align: left; }
.article-body th { background: #ebe7dc; }
.takeaway { margin: 32px 0; padding: 24px; border: 1px solid var(--blue); background: var(--card); }
.takeaway strong { color: var(--blue); font-family: ui-monospace, monospace; text-transform: uppercase; }
.article-cta { margin-top: 54px; padding: 32px; color: white; background: var(--blue); }
.article-cta h2 { margin: 0 0 10px; padding: 0; border: 0; color: white; }
.article-cta p { color: #dbe6ff; }
.article-cta a { display: inline-block; margin: 10px 8px 0 0; padding: 10px 15px; color: var(--ink); background: white; font: 800 14px/1.4 "Noto Sans SC", sans-serif; text-decoration: none; }
.toc { position: sticky; top: 100px; padding-top: 14px; border-top: 4px solid var(--ink); }
.toc b { display: block; margin-bottom: 14px; font: 800 11px/1.4 ui-monospace, monospace; text-transform: uppercase; }
.toc a { display: block; padding: 7px 0; color: var(--soft-ink); font-size: 13px; text-decoration: none; border-bottom: 1px solid var(--line); }
.toc a:hover { color: var(--blue); }

.policy-page { width: min(860px, 92%); margin: 0 auto; padding: 72px 0; }
.policy-page h1 { margin: 14px 0 20px; font-size: clamp(42px, 6vw, 68px); line-height: 1.04; }
.policy-page h2 { margin-top: 46px; border-top: 3px solid var(--ink); padding-top: 14px; }
.policy-page p, .policy-page li { color: var(--soft-ink); }
.policy-box { margin: 28px 0; padding: 26px; border: 1px solid var(--line); background: var(--card); }

.site-footer { margin-top: 60px; padding: 44px 0; border-top: 1px solid var(--ink); }
.footer-grid { display: flex; justify-content: space-between; gap: 30px; color: var(--soft-ink); font-size: 13px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--blue); }

@media (max-width: 900px) {
  .nav-inner { align-items: flex-start; padding: 14px 0; }
  .nav-links { justify-content: flex-end; flex-wrap: wrap; gap: 10px 14px; }
  .hero-grid, .lead-story, .article-shell { grid-template-columns: 1fr; }
  .hero-grid { gap: 34px; }
  .article-shell { gap: 20px; }
  .toc { position: static; order: -1; }
  .cluster-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .brand small, .nav-link:not(.active) { display: none; }
  .blog-hero { padding-top: 54px; }
  .issue-line { display: block; }
  .issue-line span { display: block; margin-bottom: 6px; }
  .story-grid, .cluster-grid, .newsletter { grid-template-columns: 1fr; }
  .article-shell { padding-top: 44px; }
  .article-header h1 { font-size: 42px; }
  .article-body { font-size: 17px; }
  .footer-grid { display: block; }
  .footer-links { margin-top: 16px; }
}