:root{--bg:#0b1220;--surface:#121a2b;--text:#e8eef8;--muted:#9aa8c0;--accent:#2dd4bf;--accent-dim:#115e59;--border:hsla(0,0%,100%,.08)}*{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100%;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Noto Sans TC,PingFang TC,Microsoft JhengHei,sans-serif;line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}main{max-width:720px;margin:0 auto;padding:2rem 1.25rem 4rem}.prose h1{font-size:1.75rem;margin:0 0 1rem;letter-spacing:-.02em}.prose h2{font-size:1.125rem;margin:2rem 0 .5rem;color:var(--text)}.prose li,.prose p{color:var(--muted);margin:.5rem 0}.prose ul{padding-left:1.25rem}.hero{text-align:center;padding:3rem 0 2rem}.hero h1{font-size:clamp(1.75rem,4vw,2.25rem);margin:0 0 .75rem}.hero p{color:var(--muted);max-width:36rem;margin:0 auto}.cards{display:grid;grid-gap:1rem;gap:1rem;margin-top:2.5rem}@media (min-width:560px){.cards{grid-template-columns:repeat(3,1fr)}}.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:1.25rem}.card h3{margin:0 0 .5rem;font-size:1rem}.card p{margin:0;font-size:.9rem;color:var(--muted)}.cta-row{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:2rem}.btn,.cta-row{justify-content:center}.btn{display:inline-flex;align-items:center;padding:.65rem 1.1rem;border-radius:999px;font-weight:600;font-size:.9rem;border:1px solid transparent}.btn-primary{background:linear-gradient(135deg,var(--accent),#0d9488);color:#042f2e}.btn-ghost{border-color:var(--border);color:var(--text);background:transparent}.meta{font-size:.8rem;color:var(--muted);margin-bottom:1.5rem}