body { font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; }
.wrap { max-width: 520px; margin: 24px auto; padding: 16px; }
label { margin-top: 12px; display:block; font-weight: 600; }
input, select, textarea { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 6px; box-sizing: border-box; }
button { margin-top: 16px; padding: 12px; width: 100%; border: 0; border-radius: 8px; font-size: 16px; }
.hint { color: #666; font-size: 13px; }