:root {
  color-scheme: light;
  --ink: #172033;
  --muted: #5f6879;
  --line: #dfe4ec;
  --paper: #ffffff;
  --wash: #f5f7fb;
  --accent: #b80f38;
  --accent-dark: #8f0c2c;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--wash); font: 16px/1.65 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: var(--accent-dark); }
.shell { width: min(920px, calc(100% - 32px)); margin: 0 auto; }
header { background: linear-gradient(135deg, #ad1238 0%, #c51c46 52%, #721027 100%); color: #fff; }
nav { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 64px; }
.brand { color: #fff; font-weight: 760; text-decoration: none; letter-spacing: .01em; }
.nav-links { display: flex; flex-wrap: wrap; gap: 18px; }
.nav-links a { color: #fff; text-decoration: none; font-size: 14px; }
.hero { padding: 72px 0 76px; }
.eyebrow { margin: 0 0 12px; font-size: 13px; font-weight: 780; letter-spacing: .14em; text-transform: uppercase; opacity: .82; }
h1 { margin: 0; max-width: 720px; font-size: clamp(38px, 7vw, 68px); line-height: 1.04; letter-spacing: -.045em; }
.lede { max-width: 690px; margin: 24px 0 0; font-size: 19px; opacity: .92; }
main { padding: 34px 0 72px; }
.card { margin: 22px 0; padding: 30px; background: var(--paper); border: 1px solid var(--line); border-radius: 20px; box-shadow: 0 18px 50px rgba(35, 42, 55, .06); }
h2 { margin: 0 0 14px; font-size: 28px; letter-spacing: -.025em; }
h3 { margin: 28px 0 8px; font-size: 19px; }
p, ul { margin: 10px 0; }
ul { padding-left: 22px; }
.notice { border-left: 5px solid var(--accent); }
.meta { color: var(--muted); font-size: 14px; }
.lang-jump { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 4px; }
.pill { display: inline-flex; padding: 7px 12px; border: 1px solid var(--line); border-radius: 999px; background: #fff; text-decoration: none; font-size: 14px; }
footer { padding: 30px 0 46px; color: var(--muted); font-size: 14px; }
code { padding: 2px 6px; border-radius: 6px; background: #eef1f6; }
@media (max-width: 620px) { nav { align-items: flex-start; flex-direction: column; padding: 18px 0; } .hero { padding: 50px 0 56px; } .card { padding: 22px; border-radius: 16px; } }