*,*:before,*:after{box-sizing:border-box}body{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";margin:0;background:#f8fafc;color:#0f172a}a{color:inherit}.container{max-width:960px;padding:24px;margin:0 auto}.card{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:16px;box-shadow:0 1px 2px #0000000a}.row{display:flex;gap:12px;align-items:center}.col{display:flex;flex-direction:column;gap:10px}.btn{appearance:none;border:0;border-radius:10px;padding:10px 14px;background:#2563eb;color:#fff;cursor:pointer;font-weight:600}.btn.secondary{background:#0f172a}.btn.ghost{background:transparent;color:#0f172a;border:1px solid #cbd5e1}.pay-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}.pay-option{appearance:none;border:1px solid #e2e8f0;border-radius:12px;padding:12px 14px;background:#f8fafc;color:#0f172a;cursor:pointer;display:flex;align-items:center;gap:12px;text-align:left;min-height:60px;transition:transform .12s ease,border-color .12s ease,box-shadow .12s ease}.pay-option:hover{border-color:#94a3b8;box-shadow:0 10px 24px #0f172a1f;transform:translateY(-1px)}.pay-option:focus-visible{outline:2px solid #2563eb;outline-offset:2px}.pay-icon{width:36px;height:36px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:12px;letter-spacing:.5px;color:#fff;flex:0 0 auto}.pay-icon svg{width:20px;height:20px;fill:currentColor}.pay-icon.alipay{background:#1677ff}.pay-icon.paypal{background:#003087}.pay-icon.wechat{background:#22c55e}.pay-text{display:flex;flex-direction:column;gap:2px}.pay-title{font-weight:700}.pay-desc{font-size:12px;color:#64748b}input{width:100%;padding:10px 12px;border:1px solid #cbd5e1;border-radius:10px;outline:none}img{max-width:100%;height:auto}.muted{color:#64748b;font-size:14px}