:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial}body{margin:0;background:#f7f8fb;color:#111}.container{max-width:720px;margin:0 auto;padding:16px}.card{background:#fff;border-radius:16px;padding:16px;box-shadow:0 2px 10px #0000000f}.btn{padding:14px 16px;border:0;border-radius:14px;font-size:18px;cursor:pointer}.btnPrimary{background:#0b3d91;color:#fff;width:100%}.input{width:100%;padding:14px;border-radius:12px;border:1px solid #d7dce8;font-size:16px}.h1{font-size:22px;margin:0 0 12px}.small{font-size:13px;color:#555}