:root{--bg:#f4f1ea;--panel:#fffdf8;--ink:#10233b;--muted:#5f6b78;--line:#d9d4c8;--blue:#1e4ed8;--teal:#0f8f84;--orange:#f4a11a}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;line-height:1.62}.wrap{max-width:900px;margin:auto;padding:24px 18px 70px}.top{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-bottom:18px;border-bottom:1px solid var(--line)}.logo{display:block;width:220px;max-width:58vw;height:auto}.back{font-size:12px;font-weight:900;color:var(--blue);text-decoration:none}.hero{padding:52px 0 22px}.eyebrow{font-size:10px;text-transform:uppercase;letter-spacing:.14em;color:var(--teal);font-weight:950}.hero h1{font-size:clamp(42px,8vw,66px);line-height:.96;letter-spacing:-.055em;margin:10px 0 14px}.hero p{margin:0;max-width:740px;color:var(--muted)}.meta{font-size:11px;color:#78818c;margin-top:14px}.card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:24px;margin-top:14px}.card h2{font-size:22px;letter-spacing:-.035em;margin:0 0 10px}.card h3{font-size:16px;margin:22px 0 8px}.card p,.card li{font-size:13px;color:#46586b}.card a{color:var(--blue);font-weight:800}.note{border-left:4px solid var(--orange);padding:12px 14px;background:#fff7e5;border-radius:0 12px 12px 0;font-size:12px;color:#4e5d6c}.formula{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;background:#f4f6f8;border:1px solid #dde2e7;padding:12px;border-radius:10px;overflow:auto;color:#25364b}.source{font-size:11px;color:#68798b;border-top:1px solid #e6e1d8;margin-top:16px;padding-top:12px}.footer{margin-top:34px;padding-top:18px;border-top:1px solid var(--line);display:flex;gap:14px;flex-wrap:wrap;font-size:11px}.footer a{color:#526176;font-weight:800;text-decoration:none}.formGrid{display:grid;gap:13px}.formGrid label span{display:block;font-size:11px;font-weight:850;margin-bottom:5px}.formGrid input,.formGrid select,.formGrid textarea{width:100%;border:1px solid #cfc9bc;border-radius:10px;background:#fff;padding:12px;font:inherit;color:var(--ink)}.formGrid textarea{min-height:150px;resize:vertical}.submit{border:0;border-radius:10px;background:var(--orange);color:#172033;padding:12px 16px;font-weight:950;cursor:pointer}.status{min-height:22px;font-size:12px;color:var(--teal);font-weight:800}@media(max-width:560px){.wrap{padding:18px 14px 50px}.hero{padding-top:38px}.top{align-items:flex-start}.logo{width:180px}.card{padding:19px}}