:root{--ink:#17171a;--muted:#6f7077;--paper:#fbfaf7;--card:#fff;--line:#e7e4de;--accent:#5b4bdb;--soft:#f5f2ff;--green:#237a55;--shadow:0 18px 50px rgba(27,24,20,.08)}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Inter","Noto Sans SC",Arial,sans-serif;line-height:1.6}.wrap{width:min(1040px,calc(100% - 32px));margin:auto}.top{padding:18px 0;border-bottom:1px solid var(--line);background:rgba(251,250,247,.94);position:sticky;top:0;z-index:5;backdrop-filter:blur(12px)}.nav{display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:800}.mark{width:34px;height:34px;border-radius:10px;background:var(--ink);color:#fff;display:grid;place-items:center}.navlinks{display:flex;gap:8px}.navlinks a{color:var(--muted);text-decoration:none;padding:8px 11px;border-radius:9px}.hero{padding:66px 0 30px;text-align:center}.eyebrow{display:inline-flex;padding:6px 10px;border:1px solid #ded9f7;background:var(--soft);color:#4b3fc1;border-radius:999px;font-size:12px;font-weight:800}.hero h1{font-size:clamp(40px,7vw,66px);line-height:1;letter-spacing:-.05em;font-weight:500;margin:17px auto}.hero p{max-width:650px;margin:auto;color:var(--muted);font-size:17px}.privacy{margin:16px auto;color:var(--green);font-weight:700;font-size:13px}.tool{background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);overflow:hidden}.drop{margin:18px;border:1.5px dashed #cfc9bd;border-radius:18px;min-height:210px;display:grid;place-items:center;text-align:center;padding:28px}.drop.is-dragging{border-color:var(--accent);background:var(--soft)}.drop.is-disabled{opacity:.65;pointer-events:none}.drop h2{margin:7px 0 4px;font-size:21px}.drop p,.status{color:var(--muted);margin:0}.choose,.primary,.download{border:0;border-radius:10px;padding:12px 17px;font:inherit;font-weight:800;cursor:pointer;text-decoration:none;display:inline-flex;justify-content:center;align-items:center}.choose{background:var(--ink);color:#fff}.primary,.download{background:var(--accent);color:#fff}.primary:disabled{opacity:.5;cursor:not-allowed}.workspace{padding:0 22px 24px}.file-info{border-top:1px solid var(--line);padding:20px 0 4px;display:flex;gap:12px;align-items:center}.file-icon{width:40px;height:40px;display:grid;place-items:center;border-radius:12px;background:var(--soft);font-size:20px}.file-copy{min-width:0}.file-copy strong{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-copy span,.status,.progress{font-size:13px;color:var(--muted)}.settings{border-top:1px solid var(--line);padding-top:20px;margin-top:18px}.settings h2{font-size:18px;margin:0 0 10px}.mode-list{display:grid;gap:8px}.mode{border:1px solid var(--line);border-radius:12px;padding:12px;display:flex;align-items:center;gap:9px;cursor:pointer;font-weight:750}.mode:has(input:checked){border-color:var(--accent);background:var(--soft)}.range-field{margin-top:12px}.range-field label{display:block;font-size:13px;font-weight:750;margin-bottom:6px}.range-field input{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px;font:inherit;color:var(--ink);background:#fff}.range-note{font-size:12px;color:var(--muted);margin:7px 0 0}.action{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:20px}.status{min-height:21px;margin-top:12px}.status[data-state=success]{color:var(--green);font-weight:700}.status[data-state=error]{color:#b42318;font-weight:700}.status[data-state=warning]{color:#9a6700}.progress{color:var(--accent);font-weight:700}.section{padding:58px 0}.section h2{font-size:30px;font-weight:500;margin:0 0 15px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.info,.related a{border-top:1px solid var(--line);padding-top:15px}.info h3{margin:7px 0 4px;font-size:16px}.info p,.faq p{margin:0;color:var(--muted);font-size:14px}.faq details{border-bottom:1px solid var(--line);padding:16px 0}.faq summary{font-weight:800;cursor:pointer}.related a{display:block;text-decoration:none;color:var(--ink)}.footer{padding:32px 0 50px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}@media(max-width:640px){.wrap{width:min(100% - 22px,1040px)}.hero{padding:48px 0 24px}.brand span:last-child{display:none}.workspace{padding:0 13px 18px}.drop{margin:12px}.grid{grid-template-columns:1fr}.action>*{width:100%}}
