:root{--bg:#f4f1ea;--ink:#1c1b18;--mut:#6a665d;--acc:#1f4d3a;--card:#fffdf8;--line:#ddd6c8}
@media (prefers-color-scheme:dark){:root{--bg:#141513;--ink:#ecebe6;--mut:#a3a197;--acc:#7cc4a0;--card:#1e1f1c;--line:#34362f}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.55}
.w{max-width:900px;margin:0 auto;padding:0 16px}.bar{position:sticky;top:0;z-index:9;background:var(--acc);color:#fff;padding:10px 16px;display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap;font-weight:600}
.bar a{background:#fff;color:#1f4d3a;text-decoration:none;padding:7px 14px;border-radius:6px}
h1{font-size:clamp(1.9rem,5.5vw,2.9rem);line-height:1.08;margin:36px 0 12px}h2{margin:34px 0 10px}
.buy{display:inline-block;background:var(--acc);color:#fff;text-decoration:none;font-weight:800;padding:14px 22px;border-radius:6px;margin:10px 0}
.f{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px 16px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px}
label{font-weight:600;font-size:.9rem;display:block;margin-bottom:4px}input,select{width:100%;font:inherit;padding:8px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--ink)}
.prev{overflow-x:auto;padding:16px 0}.scale{transform-origin:top left}
.legal{font-size:.82rem;color:var(--mut);padding:28px 0 90px}a{color:var(--acc)}ol li{margin:.3em 0}