:root {
  color-scheme: dark;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  color: #f4f7f0;
  background: #050c09;
  --ink: #f4f7f0;
  --muted: #a6b0a0;
  --muted-2: #738074;
  --paper: #050c09;
  --surface: #08110d;
  --line: rgba(198, 214, 191, 0.16);
  --line-strong: rgba(168, 244, 57, 0.44);
  --accent: #a8f439;
  --accent-light: #d8f4a6;
  --mono: "SFMono-Regular", "Cascadia Code", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { min-width: 320px; margin: 0; background: var(--paper); }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
p, h1, h2, h3, dl, dd, figure { margin: 0; }
ul, ol { margin: 0; padding: 0; }
::selection { color: #071008; background: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

.shell { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
.site-header { position: sticky; z-index: 10; top: 0; border-bottom: 1px solid var(--line); background: rgba(3, 8, 5, 0.88); backdrop-filter: blur(18px); }
.site-header__inner { display: flex; min-height: 76px; align-items: center; justify-content: space-between; gap: 28px; }
.brand img { width: 174px; height: auto; }
.site-nav { display: flex; align-items: center; gap: 26px; color: #c6cec8; font-size: 13px; }
.site-nav a:hover { color: var(--accent); }

.hero { position: relative; overflow: hidden; padding: 110px 0 82px; border-bottom: 1px solid var(--line); background: radial-gradient(circle at 78% 18%, rgba(168, 244, 57, 0.12), transparent 35%), linear-gradient(150deg, #06100b, #020604); }
.hero::after { position: absolute; inset: 0; opacity: .16; background-image: linear-gradient(rgba(168,244,57,.2) 1px, transparent 1px), linear-gradient(90deg, rgba(168,244,57,.2) 1px, transparent 1px); background-size: 64px 64px; content: ""; mask-image: linear-gradient(to bottom, black, transparent 86%); }
.hero__inner { position: relative; z-index: 1; max-width: 930px; }
.eyebrow { margin-bottom: 20px; color: var(--accent); font-family: var(--mono); font-size: 11px; letter-spacing: .16em; }
h1 { max-width: 960px; font-size: clamp(44px, 6.4vw, 78px); font-weight: 570; letter-spacing: -.055em; line-height: 1.08; }
.lead { max-width: 800px; margin-top: 30px; color: var(--muted); font-size: clamp(16px, 2vw, 20px); line-height: 1.85; }
.meta-row { display: flex; flex-wrap: wrap; gap: 12px 28px; margin-top: 32px; color: var(--muted-2); font-family: var(--mono); font-size: 11px; }
.meta-row a { color: var(--accent); }

main { display: block; }
.content-section { padding: 82px 0; border-bottom: 1px solid var(--line); }
.content-section h2 { margin-bottom: 22px; color: var(--ink); font-size: clamp(30px, 4vw, 48px); font-weight: 570; letter-spacing: -.04em; line-height: 1.2; }
.content-section h3 { margin: 34px 0 14px; color: var(--ink); font-size: clamp(21px, 2.5vw, 28px); font-weight: 590; line-height: 1.35; }
.content-section p, .content-section li { color: var(--muted); font-size: 15px; line-height: 1.9; }
.content-section p + p { margin-top: 16px; }
.content-section ul, .content-section ol { display: grid; gap: 12px; padding-left: 22px; }
.content-section a:not(.button) { color: var(--accent); text-decoration: underline; text-decoration-color: rgba(168,244,57,.35); text-underline-offset: 4px; }

.update-box { display: grid; gap: 10px; padding: 22px 24px; border: 1px solid var(--line-strong); background: rgba(13, 31, 19, .7); }
.update-box strong { color: var(--accent-light); font-size: 14px; }
.update-box ul { padding-left: 18px; }
.update-box li { font-size: 13px; }

.data-table { overflow-x: auto; margin-top: 30px; border: 1px solid var(--line); }
table { width: 100%; min-width: 760px; border-collapse: collapse; background: rgba(7, 17, 11, .72); }
caption { padding: 16px 18px; color: var(--muted-2); font-size: 11px; text-align: left; }
th, td { padding: 20px 18px; border-top: 1px solid var(--line); border-right: 1px solid var(--line); text-align: left; vertical-align: top; font-size: 13px; line-height: 1.7; }
th:last-child, td:last-child { border-right: 0; }
thead th { color: var(--accent); font-family: var(--mono); font-size: 10px; letter-spacing: .08em; }
tbody th { color: var(--ink); font-weight: 620; }
tbody td { color: var(--muted); }

.case-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 34px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.case-card { display: flex; flex-direction: column; padding: 32px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: linear-gradient(155deg, rgba(10,24,15,.82), rgba(3,9,6,.92)); }
.case-card .number { color: var(--accent); font-family: var(--mono); font-size: 11px; }
.case-card h2, .case-card h3 { margin: 24px 0 16px; font-size: 27px; }
.case-card p { flex: 1; font-size: 14px; }
.case-card a { display: inline-flex; margin-top: 28px; color: var(--accent); font-size: 13px; }

.fact-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 30px 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.fact-grid div { padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.fact-grid dt { color: var(--muted-2); font-family: var(--mono); font-size: 10px; letter-spacing: .08em; }
.fact-grid dd { margin-top: 12px; color: var(--accent-light); font-size: 19px; line-height: 1.45; }

.boundary { padding: 24px; margin-top: 30px; border-left: 2px solid var(--accent); background: rgba(168, 244, 57, .05); }
.boundary strong { display: block; margin-bottom: 8px; color: var(--ink); }
.boundary p { font-size: 13px; }
.source-list { display: grid; gap: 12px; margin-top: 24px; padding-left: 20px; }
.button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; padding: 0 22px; margin-top: 28px; border: 1px solid var(--line-strong); color: var(--accent); font-size: 13px; }
.button:hover { color: #071008; background: var(--accent); }
.author-box { display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 26px; padding: 28px; margin-top: 34px; border: 1px solid var(--line); background: var(--surface); }
.author-box strong { color: var(--accent); font-size: 13px; }
.author-box p { font-size: 13px; }

.site-footer { padding: 42px 0; color: var(--muted-2); font-size: 11px; line-height: 1.8; }
.site-footer__inner { display: flex; align-items: flex-start; justify-content: space-between; gap: 30px; }
.site-footer a { color: var(--accent); }

@media (max-width: 820px) {
  .shell { width: calc(100% - 38px); }
  .site-header__inner { min-height: 68px; }
  .brand img { width: 148px; }
  .site-nav a:not(:last-child) { display: none; }
  .hero { padding: 82px 0 62px; }
  .content-section { padding: 62px 0; }
  .case-list, .fact-grid { grid-template-columns: 1fr; }
  .author-box { grid-template-columns: 1fr; }
  .site-footer__inner { flex-direction: column; }
}

@media (max-width: 480px) {
  h1 { font-size: 39px; }
  .lead { font-size: 15px; }
  .content-section h2 { font-size: 31px; }
  .case-card { padding: 26px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}