:root { font-family: Inter, "Segoe UI", "PingFang SC", sans-serif; color: #102033; background: #f2f4f1; }
* { box-sizing: border-box; }
body { margin: 0; }
main { width: min(720px, calc(100% - 32px)); margin: 0 auto; padding: 72px 0; }
.eyebrow { color: #155eef; font-size: 12px; font-weight: 800; letter-spacing: .16em; }
h1 { margin: 8px 0 32px; font-size: clamp(38px, 8vw, 64px); letter-spacing: -.05em; }
.card { margin: 18px 0; padding: 28px; background: white; border: 1px solid #dce0dc; border-radius: 16px; box-shadow: 0 14px 40px rgba(16,32,51,.06); }
.card h2 { margin-top: 0; }
p { line-height: 1.7; }
.muted, small { color: #667382; }
button { margin-top: 18px; padding: 12px 18px; color: white; background: #155eef; border: 0; border-radius: 9px; font: inherit; font-weight: 750; cursor: pointer; }
button:disabled { opacity: .5; cursor: wait; }
label { display: block; margin-top: 18px; font-size: 13px; font-weight: 700; }
select, input { width: 100%; margin-top: 8px; padding: 12px; border: 1px solid #dce0dc; border-radius: 8px; background: #fbfcfa; font: inherit; }
dl { display: grid; grid-template-columns: auto 1fr; gap: 10px 18px; padding: 16px; background: #f6f8f5; border-radius: 10px; }
dt { color: #667382; } dd { margin: 0; font-weight: 700; }
.material { padding: 12px 0; border-bottom: 1px solid #e5e8e4; }
.error { color: #7c2929; background: #fff7f7; }