:root{--ink:#1f2430;--mute:#6b7280;--line:#e5e7eb;--bg:#f5f6f8;--card:#fff;--brand:#ea580c;--ok:#15803d;--bad:#b91c1c}@media (prefers-color-scheme:dark){:root{--ink:#f3f4f6;--mute:#9ca3af;--line:#2b303b;--bg:#12151b;--card:#1b1f27;--brand:#fb7a3a;--ok:#4ade80;--bad:#f87171}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}button,input,select,textarea{font:inherit;color:inherit}.wrap{max-width:640px;margin:0 auto;padding:4px 16px 120px}.center{max-width:420px;margin:20vh auto;padding:0 20px;text-align:center}h1{font-size:1.6rem;margin:8px 0 12px;letter-spacing:-.01em}h2{font-size:1.1rem;margin:0 0 8px}.lang{display:flex;justify-content:flex-end;gap:4px;padding:10px 16px 0;max-width:640px;margin:0 auto}.lang button{border:0;background:none;color:var(--mute);padding:4px 8px;border-radius:8px;cursor:pointer}.lang button.on{color:var(--brand);font-weight:700}.loc{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 14px;margin-bottom:12px}.note{color:var(--mute);font-size:.9rem}.note a{color:var(--brand)}.seg{display:flex;gap:8px;margin-bottom:12px}.seg button,.chips button{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:8px 14px;cursor:pointer;white-space:nowrap}.seg button{flex:1}.seg .on,.chips .on{background:var(--brand);border-color:var(--brand);color:#fff}.chips{display:flex;gap:8px;overflow-x:auto;padding:4px 0 12px;position:sticky;top:0;background:var(--bg)}select,input,textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;background:var(--card);margin:4px 0 10px}.item{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.nm{font-weight:600}.price{color:var(--mute);font-size:.92rem}.qty{display:flex;align-items:center;gap:10px}.qty button{width:38px;height:38px;border-radius:50%;border:1px solid var(--brand);background:none;color:var(--brand);font-size:1.2rem;cursor:pointer}.qty span{min-width:18px;text-align:center;font-weight:700}.btn{border:0;background:var(--brand);color:#fff;font-weight:700;border-radius:12px;padding:13px 18px;cursor:pointer}.btn:disabled{opacity:.6}.btn.block{display:block;width:100%}.btn.ghost{background:none;border:1px solid var(--line);color:var(--ink)}.bar{position:fixed;left:0;right:0;bottom:0;padding:12px 16px calc(12px + env(safe-area-inset-bottom));background:var(--bg);border-top:1px solid var(--line)}.bar .btn{max-width:608px;margin:0 auto}.sheet{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:flex-end;justify-content:center}.panel{background:var(--card);width:100%;max-width:640px;max-height:92vh;overflow:auto;border-radius:18px 18px 0 0;padding:18px 16px calc(18px + env(safe-area-inset-bottom))}.row{display:flex;justify-content:space-between;gap:12px;padding:3px 0}.row.big{font-weight:700;font-size:1.1rem;border-top:1px solid var(--line);margin-top:6px;padding-top:8px}.opt{display:flex;gap:10px;align-items:center;padding:10px 12px;border:1px solid var(--line);border-radius:10px;margin:6px 0}.opt input{width:auto;margin:0}.err{color:var(--bad);margin:8px 0}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;margin:12px 0}.steps{list-style:none;margin:0;padding:0}.steps li{display:flex;gap:12px;align-items:center;padding:7px 0;color:var(--mute)}.steps i{width:14px;height:14px;border-radius:50%;border:2px solid var(--line);flex:none}.steps .done{color:var(--ink)}.steps .done i{background:var(--ok);border-color:var(--ok)}.steps .now{color:var(--ink);font-weight:700}.steps .now i{border-color:var(--brand);background:var(--brand);box-shadow:0 0 0 4px color-mix(in srgb,var(--brand) 25%,transparent)}.num{font-size:1.9rem;font-weight:800;letter-spacing:-.02em}.bad{color:var(--bad);font-weight:700}