.shared-shell{max-width:1440px;margin:0 auto;padding:0 18px}.shared-shell>#site-shared-header,.shared-shell>#site-shared-footer{width:100%}.masthead{padding:0}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:4px}.brand{display:inline-flex;align-items:center;gap:14px;text-decoration:none;min-width:0;flex:0 1 auto}.brand img{width:440px;max-width:60vw;height:auto;max-height:108px;display:block;object-fit:contain;flex-shrink:0}.brand-copy{display:flex;flex-direction:column;gap:3px}.brand-overline{font-size:0.74rem;text-transform:uppercase;letter-spacing:0.16em;color:var(--muted);font-weight:700}.brand-title{font-size:0.96rem;font-weight:700;color:var(--accent)}.topnav{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.topnav a{text-decoration:none;padding:10px 14px;border-radius:999px;background:rgba(255,255,255,0.85);border:1px solid rgba(215,233,223,0.9);color:var(--accent);font-size:0.9rem;font-weight:700;box-shadow:0 10px 24px rgba(18,53,40,0.05)}.hamburger-btn{display:none;flex-direction:column;justify-content:center;gap:5px;background:rgba(255,255,255,0.85);border:1px solid var(--border);border-radius:10px;padding:8px 10px;cursor:pointer;flex-shrink:0}.hamburger-line{display:block;width:20px;height:2px;background:var(--accent);border-radius:2px;transition:transform 0.2s,opacity 0.2s}.mobile-menu{display:none;position:fixed;top:0;right:0;bottom:0;width:min(280px,80vw);background:var(--surface);border-left:1px solid var(--border);box-shadow:-8px 0 32px rgba(18,53,40,0.14);z-index:200;flex-direction:column;padding:0;transform:translateX(100%);transition:transform 0.25s ease}.mobile-menu.is-open{display:flex;transform:translateX(0)}.mobile-menu-header{display:flex;align-items:center;justify-content:space-between;padding:18px 16px 14px;border-bottom:1px solid var(--border)}.mobile-menu-title{font-weight:800;font-size:1rem;color:var(--accent)}.mobile-menu-close{background:none;border:none;font-size:1.2rem;color:var(--muted);cursor:pointer;padding:4px 8px;border-radius:6px}.mobile-menu-close:hover{background:var(--surface-2)}.mobile-menu-nav{display:flex;flex-direction:column;padding:12px 0;gap:2px;overflow-y:auto}.mobile-menu-nav a{display:block;padding:14px 20px;text-decoration:none;color:var(--accent);font-weight:700;font-size:0.96rem;border-bottom:1px solid var(--border)}.mobile-menu-nav a:last-child{border-bottom:none}.mobile-menu-nav a:hover,.mobile-menu-nav a:focus{background:var(--primary-soft);color:var(--primary)}.topnav-group{position:relative;display:inline-flex;align-items:center}.topnav-group-toggle{text-decoration:none;padding:10px 14px;border-radius:999px;background:rgba(255,255,255,0.85);border:1px solid rgba(215,233,223,0.9);color:var(--accent);font-size:0.9rem;font-weight:700;box-shadow:0 10px 24px rgba(18,53,40,0.05);cursor:default}.topnav-group-toggle::after{content:'▾';margin-left:6px;font-size:0.78rem}.topnav-group-menu{position:absolute;top:calc(100% + 6px);left:0;min-width:220px;display:none;flex-direction:column;align-items:flex-start;gap:4px;padding:0;border:none;border-radius:0;background:transparent;box-shadow:none;z-index:40}.topnav-group-menu::before{content:'';position:absolute;top:-8px;left:0;right:0;height:8px}.topnav-group:hover .topnav-group-menu,.topnav-group:focus-within .topnav-group-menu{display:flex}.topnav-group-menu a,.topnav-group-menu .menu-text{display:inline-flex;align-items:center;justify-content:center;min-height:34px;padding:8px 11px;border-radius:999px;border:1px solid rgba(215,233,223,0.9);background:rgba(255,255,255,0.95);box-shadow:0 10px 24px rgba(18,53,40,0.05);color:var(--accent);font-weight:700;font-size:0.72rem;line-height:1.1;white-space:nowrap}.topnav-group-menu a{text-decoration:none}.topnav-group-menu .menu-text{flex-direction:column;align-items:flex-start;justify-content:center;color:var(--accent);cursor:default;min-width:190px;padding-top:6px;padding-bottom:6px}.menu-text-title{display:block;font-weight:700;font-size:0.72rem}.menu-text-sub{display:block;margin-top:1px;font-size:0.75em;font-weight:700;color:#2f6fe4;letter-spacing:0.01em}.topnav-group-menu a:hover,.topnav-group-menu a:focus{background:var(--primary-soft);color:var(--primary)}.mobile-nav-group{border-bottom:1px solid var(--border);padding-bottom:10px;margin-bottom:6px}.mobile-nav-group-title{display:block;padding:10px 20px 4px;font-size:0.78rem;letter-spacing:0.08em;text-transform:uppercase;color:#4b6558;font-weight:700}.mobile-nav-group a{padding-left:30px}.mobile-nav-group .menu-text{display:block;padding:11px 20px 11px 30px;color:#4b6558;font-weight:700;font-size:0.96rem;border-bottom:1px solid var(--border);cursor:default;line-height:1.12}.mobile-nav-group .menu-text .menu-text-title{display:block;color:var(--accent)}.mobile-nav-group .menu-text .menu-text-sub{display:block;margin-top:1px;font-size:0.66em;color:#2f6fe4}.mobile-menu-backdrop{display:none;position:fixed;inset:0;background:rgba(18,53,40,0.35);z-index:199;pointer-events:none}.mobile-menu-backdrop.is-open{display:block;pointer-events:auto}.shared-shell>#site-shared-footer>.shared-shell,.shell>#site-shared-footer>.shared-shell{max-width:none;margin:0;padding:0;width:100%;box-sizing:border-box}.footer{margin:18px 0 24px;padding:26px 18px;background:rgba(255,255,255,0.9);border:1px solid rgba(215,233,223,0.92);border-radius:28px;box-shadow:var(--shadow)}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:18px}.footer h3{margin:0 0 10px;color:var(--accent);font-size:1rem}.footer p,.footer li,.footer a{color:var(--muted);line-height:1.65;text-decoration:none}.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}.footer-bottom{margin-top:18px;padding-top:14px;border-top:1px solid var(--border);font-size:0.84rem;color:var(--muted)}.footer-social{display:inline-flex;gap:8px;margin-top:8px;align-items:center}.footer-social a{width:34px;height:34px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;background:#eff8f5;border:1px solid #d7e9df;color:#163b2e}.footer-social a:hover{background:#00a991;color:#ffffff;border-color:#00a991}.footer-social svg{width:16px;height:16px;fill:currentColor}@media (max-width:768px){.footer-grid{grid-template-columns:1fr}}@media (max-width:640px){.topbar{align-items:center!important;flex-direction:row!important;flex-wrap:nowrap!important;justify-content:space-between!important;gap:12px!important}.brand{order:1;min-width:0;flex:1 1 auto;overflow:visible}.masthead .brand img{width:clamp(220px,62vw,352px)!important;max-width:calc(100vw - 92px)!important;height:auto!important;max-height:86px!important;object-fit:contain!important}.brand-copy{display:none!important}.topnav,.topnav>a,.topnav-group,.topnav-group-toggle,.topnav-group-menu{display:none!important}.hamburger-btn{display:flex!important;order:2;align-self:center}}.article-head .article-byline{margin:0 0 14px;color:var(--muted,#5b7065);font-size:0.92rem}.article-head .article-byline a{color:var(--accent,#163b2e);font-weight:600;text-decoration:none}.article-head .article-byline a:hover{text-decoration:underline}@media (max-width:768px){.article-body table{display:block;width:100%;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}.article-body .comparison-table th,.article-body .comparison-table td{white-space:nowrap}}