:root{--fg:#1a1a1a;--bg:#f7f7f5;--card:#ffffff;--border:#d9d9d6;--primary:#1d4ed8;--primary-press:#1633a3;--safe:#15803d;--safe-bg:#e7f6ec;--caution:#b45309;--caution-bg:#fdf3e2;--danger:#b91c1c;--danger-bg:#fdecec}*{box-sizing:border-box}html{font-size:20px}body{margin:0;background:var(--bg);color:var(--fg);font-family:Apple SD Gothic Neo,Malgun Gothic,Segoe UI,system-ui,sans-serif;line-height:1.6;-webkit-text-size-adjust:100%}.wrap{max-width:560px;margin:0 auto;padding:24px 18px 64px}.title{font-size:1.9rem;font-weight:800;margin:8px 0 4px}.subtitle{font-size:1.05rem;color:#555;margin:0 0 20px}.drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;width:100%;min-height:200px;padding:24px;background:var(--card);border:3px dashed var(--border);border-radius:18px;cursor:pointer;text-align:center}.drop:focus-visible{outline:4px solid var(--primary);outline-offset:2px}.drop .emoji{font-size:3rem}.drop .hint{font-size:1.2rem;font-weight:700}.drop 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auto;width:24px;height:24px;border-radius:50%;background:#1d4ed8;color:#fff;font-size:.85rem;font-weight:800;display:inline-flex;align-items:center;justify-content:center}.pf-answer-actions{display:flex;gap:10px;margin-top:12px}.pf-ghost{padding:10px 14px;font-size:.98rem;font-weight:700;background:#eef0f3;color:#333;border:none;border-radius:10px;cursor:pointer}.pf-graph-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}.pf-legend{display:flex;gap:12px;font-size:.82rem;color:#555}.pf-legend span{display:inline-flex;align-items:center;gap:5px}.pf-legend i{width:11px;height:11px;border-radius:50%;display:inline-block}.kg{width:100%;height:auto;max-height:560px;display:block;margin-top:6px}.kg-hub-label{fill:#fff;font-size:15px;font-weight:800}.kg-app-label{fill:#5b6472;font-size:14px;font-weight:700}.kg-topic-label{fill:#2a2f3a;font-size:12.5px;font-weight:700}.kg-topic-count{fill:#fff;font-size:11px;font-weight:800}.kg-topic circle{transition:r 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12px;font-size:.88rem;font-weight:700;background:#eef0f3;color:#333;border:none;border-radius:9px;cursor:pointer}.pf-mini.solid{background:#0f766e;color:#fff}.pf-mini:disabled{opacity:.55}.pf-diff{display:flex;align-items:stretch;gap:10px;margin-top:12px}@media (max-width:640px){.pf-diff{flex-direction:column}.pf-diff-arrow{transform:rotate(90deg)}}.pf-diff-col{flex:1 1;padding:12px;border-radius:12px;font-size:.95rem}.pf-diff-col.before{background:#f4f5f7;color:#666}.pf-diff-col.after{background:#eafaf0;color:#14532d;border:1px solid #bbe7cb}.pf-diff-h{font-weight:800;margin-bottom:6px;font-size:.9rem}.pf-diff-src{font-weight:600;color:#15803d;font-size:.82rem}.pf-diff-sum{font-weight:700;margin-bottom:6px}.pf-diff-col ul{margin:0;padding-left:1.1em}.pf-diff-col li{margin:3px 0;line-height:1.4}.pf-diff-arrow{align-self:center;font-size:1.6rem;color:#15803d;font-weight:800}.pf-toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);z-index:100;max-width:90vw;background:rgba(17,22,33,.94);color:#fff;padding:12px 18px;border-radius:12px;font-size:.98rem;font-weight:600;box-shadow:0 8px 24px rgba(0,0,0,.3)}.pf-spin{width:1.15rem;height:1.15rem;border:.2em solid rgba(255,255,255,.5);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite;display:inline-block}.pf-spin.big{width:1.8rem;height:1.8rem;border-color:rgba(29,78,216,.25);border-top-color:var(--primary)}