.vernier-sim-container[data-astro-cid-c4kvc5hr]{width:100%;min-height:100vh;position:relative}.shell[data-astro-cid-c4kvc5hr]{max-width:1440px;margin:0 auto;padding:1.5rem 1rem}.hero-header-section[data-astro-cid-c4kvc5hr]{text-align:center;margin-bottom:2rem}.hero-header-section[data-astro-cid-c4kvc5hr] h1[data-astro-cid-c4kvc5hr]{background:linear-gradient(90deg,#fff,#cbd5e1);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:.75rem;font-family:Outfit,system-ui,sans-serif;font-size:2.2rem;font-weight:800}.hero-sub[data-astro-cid-c4kvc5hr]{color:#94a3b8;max-width:900px;margin:0 auto 1.25rem;font-size:1rem;line-height:1.6}.feature-badges-wrapper[data-astro-cid-c4kvc5hr]{flex-wrap:wrap;justify-content:center;gap:.5rem;display:flex}.badge-item[data-astro-cid-c4kvc5hr]{color:#06b6d4;background:#06b6d41a;border:1px solid #06b6d440;border-radius:20px;padding:.3rem .75rem;font-size:.8rem;font-weight:600}.tool-layout-body[data-astro-cid-c4kvc5hr]{width:100%}.tool-main-content[data-astro-cid-c4kvc5hr]{flex-direction:column;gap:2.5rem;display:flex}.user-guide-section[data-astro-cid-c4kvc5hr],.seo-article-section[data-astro-cid-c4kvc5hr]{background:#131b2e;border:1px solid #ffffff14;border-radius:16px;padding:1.75rem}.section-head[data-astro-cid-c4kvc5hr] h2[data-astro-cid-c4kvc5hr]{color:#f8fafc;margin-bottom:.35rem;font-family:Outfit,system-ui,sans-serif;font-size:1.5rem;font-weight:700}.section-head[data-astro-cid-c4kvc5hr] p[data-astro-cid-c4kvc5hr]{color:#94a3b8;margin-bottom:1.25rem;font-size:.9rem}.guide-accordions[data-astro-cid-c4kvc5hr]{flex-direction:column;gap:.75rem;display:flex}.guide-accordion[data-astro-cid-c4kvc5hr]{background:#1c2842;border:1px solid #ffffff14;border-radius:10px;overflow:hidden}.guide-accordion[data-astro-cid-c4kvc5hr] summary[data-astro-cid-c4kvc5hr]{cursor:pointer;color:#f8fafc;user-select:none;align-items:center;gap:.75rem;padding:.85rem 1.1rem;font-weight:600;display:flex}.guide-icon[data-astro-cid-c4kvc5hr]{color:#06b6d4;width:24px;height:24px}.guide-title[data-astro-cid-c4kvc5hr]{flex:1;font-size:.95rem}.guide-chev[data-astro-cid-c4kvc5hr]{color:#64748b;width:18px;height:18px;transition:transform .2s}.guide-accordion[data-astro-cid-c4kvc5hr][open] .guide-chev[data-astro-cid-c4kvc5hr]{transform:rotate(90deg)}.guide-body[data-astro-cid-c4kvc5hr]{color:#cbd5e1;padding:0 1.1rem 1.1rem 2.85rem;font-size:.88rem;line-height:1.6}.seo-article-body[data-astro-cid-c4kvc5hr]{color:#cbd5e1;flex-direction:column;gap:2rem;font-size:.95rem;line-height:1.7;display:flex}.author-card[data-astro-cid-c4kvc5hr]{background:#1c2842;border:1px solid #ffffff14;border-radius:12px;align-items:center;gap:1rem;padding:1.2rem;display:flex}.author-avatar[data-astro-cid-c4kvc5hr]{border:2px solid #06b6d4;border-radius:50%}.author-label[data-astro-cid-c4kvc5hr]{text-transform:uppercase;color:#64748b;font-size:.75rem;font-weight:700}.author-name[data-astro-cid-c4kvc5hr]{color:#f8fafc;font-size:1.1rem;font-weight:700}.author-role[data-astro-cid-c4kvc5hr]{color:#06b6d4;font-size:.8rem;display:block}.author-bio[data-astro-cid-c4kvc5hr]{color:#94a3b8;margin-top:.25rem;font-size:.82rem}.handbook-chapter[data-astro-cid-c4kvc5hr] h2[data-astro-cid-c4kvc5hr]{color:#f8fafc;border-bottom:1px solid #ffffff14;margin-bottom:.75rem;padding-bottom:.4rem;font-family:Outfit,system-ui,sans-serif;font-size:1.3rem;font-weight:700}.formula-block[data-astro-cid-c4kvc5hr]{color:#38bdf8;background:#0f172a;border:1px solid #334155;border-radius:8px;margin:1rem 0;padding:1rem;font-family:JetBrains Mono,monospace;font-size:.85rem}[data-theme=light] .vernier-sim-container[data-astro-cid-c4kvc5hr]{color:#0f172a}[data-theme=light] .hero-header-section[data-astro-cid-c4kvc5hr] h1[data-astro-cid-c4kvc5hr]{background:linear-gradient(90deg,#0f172a,#334155);-webkit-text-fill-color:transparent;-webkit-background-clip:text}[data-theme=light] .hero-sub[data-astro-cid-c4kvc5hr]{color:#475569}[data-theme=light] .badge-item[data-astro-cid-c4kvc5hr]{color:#0891b2;background:#0891b21a;border-color:#0891b240}[data-theme=light] .user-guide-section[data-astro-cid-c4kvc5hr],[data-theme=light] .seo-article-section[data-astro-cid-c4kvc5hr]{background:#fff;border-color:#e2e8f0;box-shadow:0 4px 20px #0000000a}[data-theme=light] .section-head[data-astro-cid-c4kvc5hr] h2[data-astro-cid-c4kvc5hr]{color:#0f172a}[data-theme=light] .section-head[data-astro-cid-c4kvc5hr] p[data-astro-cid-c4kvc5hr]{color:#64748b}[data-theme=light] .guide-accordion[data-astro-cid-c4kvc5hr]{background:#f8fafc;border-color:#e2e8f0}[data-theme=light] .guide-accordion[data-astro-cid-c4kvc5hr] summary[data-astro-cid-c4kvc5hr]{color:#0f172a}[data-theme=light] .guide-icon[data-astro-cid-c4kvc5hr]{color:#0891b2}[data-theme=light] .guide-chev[data-astro-cid-c4kvc5hr]{color:#64748b}[data-theme=light] .guide-body[data-astro-cid-c4kvc5hr]{color:#334155}[data-theme=light] .guide-tip[data-astro-cid-c4kvc5hr]{color:#334155;background:#0891b214;border-left-color:#0891b2}[data-theme=light] .seo-article-body[data-astro-cid-c4kvc5hr]{color:#334155}[data-theme=light] .author-card[data-astro-cid-c4kvc5hr]{background:#f8fafc;border-color:#e2e8f0;box-shadow:0 2px 10px #00000008}[data-theme=light] .author-avatar[data-astro-cid-c4kvc5hr]{border-color:#0891b2}[data-theme=light] .author-label[data-astro-cid-c4kvc5hr]{color:#64748b}[data-theme=light] .author-name[data-astro-cid-c4kvc5hr]{color:#0f172a}[data-theme=light] .author-role[data-astro-cid-c4kvc5hr]{color:#0891b2}[data-theme=light] .author-bio[data-astro-cid-c4kvc5hr]{color:#475569}[data-theme=light] .handbook-chapter[data-astro-cid-c4kvc5hr] h2[data-astro-cid-c4kvc5hr]{color:#0f172a;border-bottom-color:#e2e8f0}[data-theme=light] .formula-block[data-astro-cid-c4kvc5hr]{color:#0891b2;background:#f8fafc;border-color:#0891b24d}