:root{--bg:#f7f7f5;--panel:#fff;--ink:#171719;--muted:#747477;--line:#e8e8e5;--red:#e92d47;--orange:#ed6a22;--shadow:0 18px 60px rgba(20,20,20,.10)}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input{font:inherit}button{cursor:pointer}.topbar{height:92px;justify-content:space-between;padding:0 5vw;border-bottom:1px solid var(--line);background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);position:-webkit-sticky;position:sticky;top:0;z-index:20}.brand,.topbar{display:flex;align-items:center}.brand{gap:12px;font-size:28px;font-weight:900;letter-spacing:-1px}.brand-logo img{width:auto;height:68px;object-fit:contain}.brand-logo b{font-size:22px;font-weight:900;color:#171719;letter-spacing:-.8px}.top-actions{gap:12px}.ghost,.login-btn,.top-actions{display:flex;align-items:center}.ghost,.login-btn{border:1px 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input{width:100%;padding:13px 14px;border:1px solid #ddd;border-radius:12px;outline:none}.primary{width:100%;border:0;border-radius:14px;padding:15px 18px;background:var(--orange);color:white;font-weight:850;font-size:16px;margin-top:12px}.primary:disabled{opacity:.5;cursor:not-allowed}.error,.success{padding:11px 13px;border-radius:12px;font-size:13px;margin:12px 0}.error{background:#fff0f0;color:#a02d2d}.success{background:#edf9f0;color:#25713a}.hint{display:block;color:#999;line-height:1.45;margin-top:12px}.login-modal{max-width:470px}@media(max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}.hero{padding-top:56px}.hero h1{letter-spacing:-2.5px}}@media(max-width:620px){.topbar{padding:0 18px;height:80px}.brand{font-size:24px}.brand-logo img{height:56px}.brand-logo b{font-size:17px}.user-chip{display:none}.ghost{padding:9px 10px}.hero{padding:44px 18px 32px}.hero p{font-size:16px}.workspace{padding:0 14px 60px}.grid{grid-template-columns:1fr}.tool-card{min-height:88px}.section{margin:27px 0}.modal{padding:24px;border-radius:22px}.modal h3{font-size:25px}.privacy{font-size:11px}.search-wrap{margin-top:25px}}.processing-box{margin:14px 0;padding:14px;border:1px solid #eadfda;border-radius:14px;background:#fffaf7}.processing-head{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;margin-bottom:9px}.processing-head span{font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:#b64c12;font-weight:800}.progress-track{height:9px;background:#f1e9e4;border-radius:999px;overflow:hidden}.progress-bar{height:100%;background:var(--orange);border-radius:999px;transition:width .35s ease}.processing-box small{display:block;color:#8b827d;margin-top:8px}.result-panel{margin:14px 0;padding:15px;border:1px solid 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