:root{color-scheme:dark light;--bg: #0f1419;--bg-alt: #161d26;--surface: #1c2530;--text: #e8eef5;--muted: #9aa8b8;--accent: #3d9cf9;--accent-hover: #6bb4fb;--border: #2a3544;--warn-bg: #2a2218;--warn-border: #6b4e2a;--radius: 12px;--shadow: 0 12px 40px rgba(0, 0, 0, .35);--font: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;--max: min(72ch, 100% - 2rem)}@media(prefers-color-scheme:light){:root{--bg: #f6f8fb;--bg-alt: #eef2f7;--surface: #ffffff;--text: #1a2330;--muted: #5c6b7d;--accent: #0b6bcb;--accent-hover: #0858a8;--border: #d5dde8;--warn-bg: #fff8e6;--warn-border: #e6c35c;--shadow: 0 8px 28px rgba(15, 35, 60, 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var(--border)}.site-header__inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-block:.75rem;flex-wrap:wrap}.logo{font-weight:700;font-size:1.125rem;letter-spacing:-.02em}.logo--muted{color:var(--text)}.nav{display:flex;flex-wrap:wrap;gap:.75rem 1.25rem}.nav a{color:var(--muted);text-decoration:none;font-size:.9375rem}.nav a:hover,.nav a:focus-visible{color:var(--accent)}.hero{padding-block:clamp(3rem,8vw,5rem);background:radial-gradient(ellipse 80% 50% at 50% -20%,color-mix(in srgb,var(--accent) 22%,transparent),transparent)}.hero__inner{text-align:center}.eyebrow{margin:0 0 .5rem;font-size:.8125rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.hero h1{margin:0;font-size:clamp(2.25rem,6vw,3.25rem);font-weight:800;letter-spacing:-.03em;line-height:1.1}.lead{margin:1rem auto 0;max-width:52ch;font-size:1.0625rem;color:color-mix(in srgb,var(--text) 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var(--border);background:var(--bg-alt)}.site-footer__inner{text-align:center}.site-footer p{margin:.35rem 0}.site-footer__credit{margin-top:.75rem;max-width:42rem;margin-inline:auto;line-height:1.5}.site-footer__credit a{color:var(--accent);word-break:break-all}.site-footer__credit a:hover,.site-footer__credit a:focus-visible{color:var(--accent-hover)}.muted{font-size:.875rem;color:var(--muted)}code{font-size:.875em;padding:.1em .35em;border-radius:4px;background:color-mix(in srgb,var(--surface) 85%,var(--border))}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}