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saturate(160%)}}._left_erf28_39{display:flex;align-items:center;gap:8px;min-width:0}._brand_erf28_45{display:flex;align-items:center;gap:12px;cursor:pointer;min-width:0;text-decoration:none;color:inherit;border-radius:var(--radius-control)}._brand_erf28_45:focus-visible{outline:none;box-shadow:var(--ring-focus)}._seal_erf28_60{width:38px;height:38px;flex-shrink:0;display:flex;align-items:center;justify-content:center}._mark_erf28_69{width:100%;height:100%;background-color:var(--brand);-webkit-mask:url(/static/vnformulate-logo-mark.png) center / contain no-repeat;mask:url(/static/vnformulate-logo-mark.png) center / contain 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var(--dur-base) var(--ease-out-expo)}._navLink_erf28_117:hover{color:var(--text-primary)}._navLink_erf28_117:hover:after{transform:scaleX(1)}._navActive_erf28_147{color:var(--crimson);background:var(--crimson-glow)}._labelShort_erf28_148{display:none}@media(max-width:900px){._labelFull_erf28_151{display:none}._labelShort_erf28_148{display:inline}}._betaBadge_erf28_155{display:inline-block;margin-left:6px;padding:1px 5px;font-size:9px;font-weight:700;line-height:1.4;letter-spacing:.06em;text-transform:uppercase;vertical-align:1px;color:var(--text-on-accent);background:var(--crimson);border-radius:4px}._navActive_erf28_147:hover{color:var(--crimson);background:var(--crimson-glow)}._btnHamburger_erf28_171{display:none;width:36px;height:36px;border-radius:var(--radius-sm);align-items:center;justify-content:center;color:var(--text-muted);transition:var(--tx-interactive)}._btnHamburger_erf28_171:hover{background:var(--bg-surface);color:var(--crimson)}._btnHamburger_erf28_171 svg{width:20px;height:20px}._themeToggle_erf28_184{width:36px;height:36px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:var(--tx-interactive)}._themeToggle_erf28_184:hover{background:var(--bg-surface);color:var(--accent);box-shadow:var(--glow)}._themeToggle_erf28_184 svg{width:18px;height:18px}._langToggle_erf28_196{height:36px;min-width:36px;padding:0 8px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--text-muted);transition:var(--tx-interactive)}._langToggle_erf28_196:hover{background:var(--bg-surface);color:var(--accent);box-shadow:var(--glow)}@media(max-width:768px){._btnHamburger_erf28_171{display:flex}._brandText_erf28_78{display:block}._subtitle_erf28_98{margin-top:-2px}._navLink_erf28_117{padding:6px 10px;font-size:12px;white-space:nowrap}._nav_erf28_105{overflow-x:auto;scrollbar-width:none;min-width:0;overscroll-behavior-x:contain}._nav_erf28_105::-webkit-scrollbar{display:none}._nav_erf28_105[data-more]{-webkit-mask-image:linear-gradient(to right,#000 calc(100% - 28px),transparent);mask-image:linear-gradient(to right,#000 calc(100% - 28px),transparent)}}@media(max-width:480px){._subtitle_erf28_98{display:none}._brand_erf28_45{gap:8px}._nav_erf28_105{gap:2px}._navLink_erf28_117{padding:6px 8px}}@media print{._header_erf28_1{display:none}}html[data-over-hero] ._header_erf28_1{background:transparent;-webkit-backdrop-filter:none;backdrop-filter:none;border-bottom-color:transparent}html[data-over-hero] ._header_erf28_1:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(180deg,#0b0e148c,#0b0e1400);pointer-events:none;z-index:-1}html[data-over-hero] ._title_erf28_84,html[data-over-hero] ._subtitle_erf28_98,html[data-over-hero] 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6px;font-size:11.5px;white-space:nowrap}._themeToggle_erf28_184{width:30px;height:30px;flex:none}._langToggle_erf28_196{min-width:28px;padding:0 4px}._betaBadge_erf28_155{margin-left:3px;padding:0 3px;font-size:8px}}._toolsButton_erf28_327{display:inline-flex;align-items:center;gap:4px;border:0;background:none;font-family:inherit;cursor:pointer}._chevron_erf28_336{width:12px;height:12px;transition:transform var(--dur-micro) var(--ease-hover)}._toolsButton_erf28_327[aria-expanded=true] ._chevron_erf28_336{transform:rotate(180deg)}._toolsList_erf28_341{position:fixed;z-index:150;min-width:220px;margin:0;padding:var(--space-2);list-style:none;background:var(--surface-2);color:var(--text);border:1px solid var(--text);border-radius:var(--radius-card);box-shadow:var(--elev-3-nr);animation:_settleIn_erf28_1 var(--dur-move) var(--ease-enter) backwards}._toolsLink_erf28_355{display:flex;align-items:center;gap:6px;min-height:40px;padding:0 var(--space-3);border-radius:var(--radius-control);color:var(--text);text-decoration:none;font-size:14px;font-weight:500}._toolsLink_erf28_355:hover{background:var(--accent-tint)}._toolsLink_erf28_355:focus-visible{outline:none;box-shadow:var(--ring-focus)}._toolsLink_erf28_355[aria-current=page]{font-weight:700;text-decoration:underline;text-underline-offset:3px}._pilotLink_erf28_371{display:inline-flex;align-items:center;min-height:34px;padding:0 14px;margin-left:4px;border-radius:var(--radius-control);background:var(--accent-grad);color:var(--text-on-accent);font-size:13.5px;font-weight:600;text-decoration:none;white-space:nowrap}._pilotLink_erf28_371:focus-visible{outline:none;box-shadow:var(--ring-focus)}@media(max-width:560px){._pilotLink_erf28_371{display:none}}@media print{._pilotLink_erf28_371,._toolsList_erf28_341{display:none}}._inner_1vsh6_8{width:100%;max-width:var(--content-max);margin:0 auto;padding:0 var(--space-5)}._hero_1vsh6_16{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:var(--space-8);align-items:start;max-width:var(--content-max);margin:0 auto;padding:calc(var(--header-total) + var(--space-8)) var(--space-5) var(--space-9)}._heroText_1vsh6_26{position:sticky;top:calc(var(--header-total) + var(--space-6))}._heroTitle_1vsh6_28{font-family:var(--font-display);font-size:var(--step-5);line-height:var(--leading-display);letter-spacing:var(--tracking-display);font-weight:600;margin:0 0 var(--space-5);text-wrap:balance}._heroLede_1vsh6_38{font-size:var(--step-1);line-height:var(--leading-body);max-width:34em;margin:0 0 var(--space-6)}._heroActions_1vsh6_45{display:flex;flex-wrap:wrap;gap:var(--space-3);margin-bottom:var(--space-5)}._heroNote_1vsh6_46{font-size:var(--step--1);line-height:var(--leading-body);max-width:36em;margin:0}._cta_1vsh6_48,._ctaQuiet_1vsh6_49{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 var(--space-5);border-radius:var(--radius-control);font:inherit;font-weight:600;text-decoration:none;cursor:pointer;transition:var(--tx-interactive)}._cta_1vsh6_48{background:var(--accent-grad);color:var(--text-on-accent);border:1px solid transparent;box-shadow:var(--elev-1-nr)}._cta_1vsh6_48:hover{box-shadow:var(--elev-2-nr);transform:var(--lift-hover)}._cta_1vsh6_48:active{box-shadow:var(--elev-flat);transform:var(--lift-press)}._cta_1vsh6_48:disabled{cursor:progress}._ctaQuiet_1vsh6_49{background:transparent;color:var(--text);border:1px solid var(--text)}._ctaQuiet_1vsh6_49:hover{background:var(--accent-tint)}._cta_1vsh6_48:focus-visible,._ctaQuiet_1vsh6_49:focus-visible,._more_1vsh6_70:focus-visible,._switchOption_1vsh6_71:focus-visible{outline:none;box-shadow:var(--ring-focus)}._preview_1vsh6_74{min-height:420px;background:var(--surface-2);border:1px solid var(--text);border-radius:var(--radius-card);padding:var(--space-5);box-shadow:var(--elev-2-nr)}._previewHead_1vsh6_83{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--space-3);padding-bottom:var(--space-4);border-bottom:2px solid var(--text)}._previewTitle_1vsh6_92{font-size:var(--step-0);font-weight:600;margin:0}._switch_1vsh6_71{display:inline-flex;border:1px solid var(--text);border-radius:var(--radius-pill);padding:3px;gap:3px}._switchOption_1vsh6_71{border:0;border-radius:var(--radius-pill);background:transparent;color:var(--text);font:inherit;font-size:var(--step--1);font-weight:600;padding:var(--space-2) var(--space-3);cursor:pointer;min-height:36px}._switchOption_1vsh6_71[aria-pressed=true]{background:var(--accent-grad);color:var(--text-on-accent)}._siteLine_1vsh6_115{font-weight:600;margin:var(--space-4) 0 var(--space-2)}._figures_1vsh6_116{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:var(--space-1) var(--space-4);font-size:var(--step--1)}._figures_1vsh6_116 span{font-weight:600}._figures_1vsh6_116 span:after{content:":"}._count_1vsh6_128{margin:var(--space-5) 0 var(--space-3);font-size:var(--step-0)}._count_1vsh6_128 strong{font-family:var(--font-display);font-size:var(--step-4);line-height:1;font-weight:600;color:var(--verify);font-variant-numeric:tabular-nums}._lines_1vsh6_141{list-style:none;margin:0;padding:0;border-top:1px solid var(--text)}._line_1vsh6_141{border-bottom:1px solid var(--border);animation:_settleIn_1vsh6_1 var(--dur-enter) var(--ease-enter) backwards}._line_1vsh6_141:nth-child(2){animation-delay:30ms}._line_1vsh6_141:nth-child(3){animation-delay:60ms}._line_1vsh6_141:nth-child(4){animation-delay:90ms}._line_1vsh6_141:nth-child(5){animation-delay:.12s}._line_1vsh6_141:nth-child(6){animation-delay:.15s}._lineSummary_1vsh6_152{display:grid;grid-template-columns:4.5em minmax(0,1fr) auto;gap:var(--space-3);align-items:baseline;padding:var(--space-3) 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0;color:var(--text);font:inherit;font-weight:600;text-decoration:underline;text-underline-offset:3px;cursor:pointer}._section_1vsh6_193,._band_1vsh6_194,._pilot_1vsh6_195{padding:var(--space-10) 0}._band_1vsh6_194{background:var(--surface-1);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}._section_1vsh6_193,._pilot_1vsh6_195{scroll-margin-top:var(--header-total)}._sectionTitle_1vsh6_200{font-family:var(--font-display);font-size:var(--step-3);line-height:var(--leading-tight);letter-spacing:var(--tracking-tight);font-weight:600;margin:0 0 var(--space-6);max-width:22em;text-wrap:balance}._sectionLede_1vsh6_210{font-size:var(--step-0);line-height:var(--leading-body);max-width:var(--measure);margin:0 0 var(--space-4)}._split_1vsh6_212{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:var(--space-8);align-items:start}._split_1vsh6_212 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