:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#17324d;--muted:#5b7086;--line:#d9e5ef;--wash:#f4f9fc;--accent-dark:#14569f}*{box-sizing:border-box}html{min-height:100%}body{min-height:100vh;color:var(--ink);background:var(--wash);margin:0;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Yu Gothic,sans-serif;line-height:1.8}a{color:var(--accent-dark)}.site-header,main,footer{width:min(720px,100% - 40px);margin-inline:auto}.site-header{padding:56px 0 28px}.eyebrow{color:var(--accent-dark);letter-spacing:.08em;font-size:.9rem;font-weight:700}h1{letter-spacing:-.04em;margin:10px 0 8px;font-size:clamp(2rem,7vw,3.2rem);line-height:1.2}.lead{color:var(--muted);margin:0;font-size:1.1rem}main{padding:18px 0 64px}.card{border:1px solid var(--line);background:#fff;border-radius:20px;margin:28px 0;padding:26px 28px;box-shadow:0 8px 24px #1b466d0f}h2{margin:0 0 10px;font-size:1.25rem}h3{margin:22px 0 4px;font-size:1rem}p{margin:10px 0}ul{margin:8px 0 0;padding-left:1.4em}.nav-links{flex-wrap:wrap;gap:14px;margin-top:20px;display:flex}.nav-links a{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 14px;text-decoration:none}footer{color:var(--muted);padding:0 0 48px;font-size:.9rem}@media (max-width:520px){.site-header,main,footer{width:min(100% - 28px,720px)}.site-header{padding-top:36px}.card{border-radius:16px;padding:22px 20px}}