:root { color-scheme: light; font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif; color: #172033; background: #f5f7fb; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; }
.shell { width: min(680px, calc(100% - 32px)); margin: 56px auto 32px; }
.brand { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; color: #3b4a66; font-weight: 700; }
.brand-logo { width: 42px; height: 42px; border-radius: 10px; object-fit: cover; }
.page-url { margin: 0 0 16px; padding: 8px 12px; color: #475467; background: #f2f4f7; border-radius: 8px; font-size: 13px; word-break: break-all; }
.mark { display: grid; place-items: center; width: 34px; height: 34px; color: white; background: #1aad19; border-radius: 11px; }
.card { background: white; border: 1px solid #e8ecf3; border-radius: 20px; padding: 30px; box-shadow: 0 16px 50px rgba(30, 48, 84, .08); }
h1 { margin: 0 0 10px; font-size: clamp(24px, 5vw, 34px); }
.muted { color: #667085; line-height: 1.7; }
.price { margin: 28px 0; color: #e5484d; font-size: 42px; font-weight: 750; }
.price small { font-size: 18px; }
.facts { display: grid; gap: 12px; padding: 18px; background: #f7f9fc; border-radius: 14px; }
.fact { display: flex; justify-content: space-between; gap: 16px; }
button, .button { display: block; width: 100%; margin-top: 24px; padding: 15px 20px; border: 0; border-radius: 12px; color: white; background: #1aad19; font-size: 17px; font-weight: 700; text-align: center; text-decoration: none; cursor: pointer; }
button:disabled { cursor: wait; opacity: .6; }
.status { margin-top: 20px; padding: 14px; border-radius: 12px; background: #f2f4f7; text-align: center; }
.status.success { color: #087c24; background: #eaf8ee; }
.status.error { color: #b42318; background: #fef0ee; }
.qr { display: block; width: 240px; max-width: 80%; margin: 22px auto 4px; }
.contact-qr { display: block; width: 210px; max-width: 80%; margin: 16px auto; border-radius: 12px; }
footer { padding: 24px 8px; color: #7a8498; font-size: 13px; line-height: 2; text-align: center; }
footer a { color: inherit; }
.legal { line-height: 1.8; }
.legal h2 { margin-top: 28px; }
@media (max-width: 520px) { .shell { margin-top: 20px; } .card { padding: 22px; border-radius: 16px; } }