:root{--bg:#f7f8fc;--text:#111827;--muted:#6b7280;--card:#fff;--line:#e5e7eb;--accent:#5b5ce2;--accent2:#7c3aed;--shadow:0 10px 30px rgba(17,24,39,.08)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;line-height:1.55}body.dark{--bg:#0b1020;--text:#f9fafb;--muted:#aab2c0;--card:#111827;--line:#263244;--shadow:0 10px 30px rgba(0,0,0,.25)}a{color:inherit}.container{width:min(1120px,92%);margin:auto}.top{border-bottom:1px solid var(--line);background:var(--card);position:sticky;top:0;z-index:5}.nav{height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{font-weight:800;font-size:20px;text-decoration:none}.brand span{color:var(--accent)}button,.btn{border:0;border-radius:12px;padding:12px 16px;background:var(--accent);color:white;font-weight:700;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px}button.secondary,.secondary{background:var(--card);color:var(--text);border:1px solid var(--line)}.hero{padding:70px 0 35px;text-align:center}.hero h1{font-size:clamp(34px,6vw,60px);line-height:1.05;margin:0 0 18px}.hero p{color:var(--muted);font-size:18px;max-width:720px;margin:0 auto 28px}.search{width:min(700px,100%);padding:16px 18px;border:1px solid var(--line);border-radius:15px;background:var(--card);color:var(--text);font-size:16px;outline:none}.filters{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin:15px 0 35px}.chip{padding:9px 14px;border:1px solid var(--line);border-radius:999px;background:var(--card);cursor:pointer}.chip.active{background:var(--accent);color:#fff;border-color:var(--accent)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:18px;padding:10px 0 60px}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow)}.card h3{margin:8px 0}.card p{color:var(--muted);font-size:14px}.icon{font-size:28px}.tool{padding:45px 0 70px}.toolbox{max-width:820px;margin:20px auto;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:25px;box-shadow:var(--shadow)}label{display:block;font-weight:700;margin:14px 0 7px}input,textarea,select{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:11px;background:var(--bg);color:var(--text);font:inherit}textarea{min-height:180px;resize:vertical}.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.result{margin-top:18px;padding:15px;border:1px dashed var(--line);border-radius:12px;white-space:pre-wrap;overflow:auto}.ad{min-height:90px;border:1px dashed var(--line);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:12px;margin:25px 0}.footer{border-top:1px solid var(--line);padding:30px 0;color:var(--muted)}.footer a{margin-right:18px}.drop{border:2px dashed var(--line);border-radius:16px;padding:35px;text-align:center}.notice{padding:12px 14px;background:rgba(91,92,226,.1);border-radius:12px;margin:12px 0}.small{font-size:13px;color:var(--muted)}