:root{color-scheme:light;--ink:#11213a;--muted:#62718a;--line:#e6ebf2;--brand:#1976d2;--brand-dark:#0c56a1;--wash:#f5f9fe}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:linear-gradient(150deg,#f8fbff 0%,#fff 45%,#f4f8fc 100%);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif}a{color:inherit}.card{width:min(100%,680px);margin:0 auto;padding:20px 16px 48px}.topbar{display:flex;justify-content:flex-end;min-height:36px}.language{padding:8px 12px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:14px;text-decoration:none;background:#fff}.hero{padding:18px 10px 26px;text-align:center}.brand-mark{width:88px;height:88px;border-radius:28px;object-fit:contain;background:#fff;padding:8px;box-shadow:0 10px 30px #0b4d8c20}h1{margin:18px 0 6px;font-size:36px;letter-spacing:-.04em}.title{margin:0;color:var(--brand);font-size:16px;font-weight:700}.company{margin:8px 0 0;color:var(--muted);line-height:1.55}.tagline{display:inline-block;margin:18px 0 0;padding:8px 12px;border-radius:999px;background:#eaf4ff;color:#165b9f;font-size:14px;font-weight:600}.actions{display:grid;gap:10px;margin:0 0 28px}.action{display:flex;align-items:center;justify-content:center;min-height:54px;padding:12px 16px;border:1px solid var(--line);border-radius:15px;background:#fff;font-weight:700;text-decoration:none;box-shadow:0 4px 12px #152a4510}.action.primary{color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-dark));border-color:transparent}.section{margin:30px 0}h2{margin:0 0 13px;font-size:19px;letter-spacing:-.02em}.section-intro{margin:-4px 0 15px;color:var(--muted);font-size:14px}.products{display:grid;gap:10px}.product{display:flex;align-items:center;gap:13px;padding:12px;border:1px solid var(--line);border-radius:16px;background:#fff;text-decoration:none;transition:transform .15s ease,box-shadow .15s ease}.product:hover{transform:translateY(-2px);box-shadow:0 10px 22px #152a4512}.product img{flex:0 0 auto;width:46px;height:46px;border-radius:12px;object-fit:cover;background:var(--wash)}.product strong{display:block;font-size:15px}.product span{display:block;margin-top:3px;color:var(--muted);font-size:13px;line-height:1.35}.qr{display:flex;align-items:center;gap:20px;padding:20px;border-radius:18px;background:#fff;border:1px solid var(--line)}.qr img{width:118px;height:118px;padding:5px;border:1px solid var(--line);border-radius:10px;background:#fff}.qr h2{margin:0 0 7px}.qr p{margin:0;color:var(--muted);font-size:14px;line-height:1.5}footer{padding:4px 0;text-align:center;color:var(--muted);font-size:12px}@media(min-width:720px){.card{padding-top:28px}.actions{grid-template-columns:1fr 1fr}}@media(max-width:390px){h1{font-size:32px}.qr{gap:14px;padding:15px}.qr img{width:106px;height:106px}}