.fe-toolkit-nav{position:relative}.fe-toolkit-nav-trigger{display:inline-flex;align-items:center;gap:4px;border:none;background:none;padding:0;font-size:14px;color:var(--fe-muted);font-weight:500;cursor:pointer}.fe-toolkit-nav-trigger.is-active,.fe-toolkit-nav-trigger:hover{color:var(--fe-accent);font-weight:700}.fe-toolkit-nav-caret{font-size:10px;opacity:.8}.fe-toolkit-nav-menu{position:absolute;top:100%;left:0;z-index:50;padding-top:10px}.fe-toolkit-nav-panel{width:min(920px,calc(100vw - 48px));background:#fff;border:1px solid var(--fe-line);border-radius:12px;box-shadow:var(--fe-shadow);padding:14px 16px 18px}.fe-toolkit-nav-panel-head{display:flex;justify-content:flex-end;margin-bottom:8px}.fe-toolkit-nav-all{font-size:12px;font-weight:700;color:var(--fe-accent)}.fe-toolkit-nav-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:14px 18px;gap:14px 18px}.fe-toolkit-nav-group-title{margin:0 0 8px;font-size:12px;font-weight:800;color:var(--fe-navy);letter-spacing:.02em}.fe-toolkit-nav-list{list-style:none;margin:0;padding:0;display:grid;grid-gap:4px;gap:4px}.fe-toolkit-nav-link{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:6px 8px;border-radius:8px;font-size:13px;line-height:1.35;color:var(--fe-ink)}.fe-toolkit-nav-link:hover{background:#eef4ff;color:var(--fe-accent)}.fe-toolkit-nav-badge{flex-shrink:0;font-size:10px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--fe-accent);background:#e8f5f4;border-radius:999px;padding:2px 6px}.fe-toolkit-page{padding:24px;max-width:1200px;margin:0 auto}.fe-toolkit-hero{margin-bottom:24px}.fe-toolkit-hero h1{margin:0 0 8px;font-size:28px;color:var(--fe-navy)}.fe-toolkit-hero p{margin:0;color:var(--fe-muted);max-width:720px;line-height:1.5}.fe-toolkit-categories{display:grid;grid-gap:18px;gap:18px}.fe-toolkit-category{background:#fff;border:1px solid var(--fe-line);border-radius:14px;padding:18px 20px}.fe-toolkit-category h2{margin:0 0 12px;font-size:16px;color:var(--fe-navy)}.fe-toolkit-tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));grid-gap:10px;gap:10px}.fe-toolkit-tool-card{display:block;padding:12px 14px;border:1px solid var(--fe-line);border-radius:10px;background:var(--fe-bg);transition:border-color .15s ease,box-shadow .15s ease}.fe-toolkit-tool-card:hover{border-color:var(--fe-accent);box-shadow:0 8px 24px rgba(18,106,102,.08)}.fe-toolkit-tool-card strong{display:block;font-size:14px;margin-bottom:4px;color:var(--fe-ink)}.fe-toolkit-tool-card span{font-size:12px;color:var(--fe-muted)}.fe-toolkit-viewer{display:grid;grid-template-rows:auto 1fr;min-height:calc(100vh - 57px)}.fe-toolkit-viewer-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 20px;border-bottom:1px solid var(--fe-line);background:#fff}.fe-toolkit-viewer-header h1{margin:0;font-size:18px;color:var(--fe-navy)}.fe-toolkit-viewer-meta{font-size:12px;color:var(--fe-muted)}.fe-toolkit-frame{width:100%;height:100%;min-height:calc(100vh - 120px);border:0;background:#fff}