:root{--excel-green:#107c41;--excel-dark:#064d2d;--excel-ink:#183c2d;--excel-muted:#5f7268;--excel-line:#dce8e0;--excel-bg:#f5f8f6}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:88px}body{margin:0}.shared-header{width:100%;background:#fff;color:#183c2d;border-bottom:1px solid #e4ebe6;position:relative;z-index:50;font-family:Arial,sans-serif}.shared-header .topbar__inner{max-width:1360px;min-height:72px;padding:12px 30px;margin:auto;display:flex;align-items:center;gap:20px}.shared-header .brand-logo{display:inline-flex;align-items:center;gap:14px;color:#183c2d;text-decoration:none;font-size:24px;font-weight:750}.shared-header .brand-logo__mark{width:36px;height:36px;position:relative;display:grid;place-items:center;background:#107c41;border-radius:3px;color:#fff;box-shadow:7px -4px 0 #b2d7c0}.shared-header .brand-logo__mark b{font-size:24px;z-index:1}.shared-header .brand-logo__mark i{display:none}.shared-header .ai-network{margin-left:auto}.shared-header .topbar__inner>a:last-child{background:#107c41;color:#fff;text-decoration:none;font-size:14px;font-weight:700;padding:13px 24px;border-radius:8px;min-height:44px;display:inline-flex;align-items:center}.shared-header .topbar__inner>a:last-child:hover{background:#075d32}.shared-footer{margin-top:72px;background:#073f29;color:#fff;font-family:Arial,sans-serif}.shared-footer-inner{max-width:1360px;padding:56px 30px 24px;margin:auto}.footer-intro{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-bottom:34px;border-bottom:1px solid #2c6047}.footer-logo{display:inline-flex;align-items:center;gap:12px;color:white;font-size:28px;font-weight:700;text-decoration:none}.footer-logo span{display:grid;place-items:center;background:#21894e;width:40px;height:40px;border-radius:4px}.footer-intro p{font-size:17px;line-height:1.5;color:#c5d9ce;margin:0}.footer-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:36px;padding:36px 0}.footer-links h2{font-size:12px;line-height:1.4;letter-spacing:.09em;text-transform:uppercase;color:#a4cbb5;margin:0 0 16px}.footer-links a{display:block;width:fit-content;max-width:100%;padding:9px 0;color:#fff;text-decoration:none;font-size:14px;line-height:1.45;overflow-wrap:anywhere}.footer-links a:hover{text-decoration:underline;color:#c3edce}.footer-bottom{border-top:1px solid #2c6047;padding-top:24px;display:flex;gap:28px;justify-content:space-between;color:#c5d9ce;font-size:12px;line-height:1.6}.footer-bottom p{max-width:680px;margin:0}.footer-bottom span{white-space:nowrap}:focus-visible{outline:3px solid #3482c2;outline-offset:4px}.skip-link{position:absolute;left:15px;top:-80px;padding:12px 20px;background:#fff;color:#075d32;z-index:1000}.skip-link:focus{top:10px}@media(max-width:900px){.footer-links{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.shared-header .topbar__inner{padding:12px 16px;gap:12px;min-height:68px}.shared-header .brand-logo{font-size:19px;gap:10px}.shared-header .brand-logo__mark{width:27px;height:30px}.shared-header .topbar__inner>a:last-child{font-size:12px;padding:12px}.shared-header .ai-network summary{padding:10px;min-width:44px;min-height:44px}.shared-header .ai-network summary>span{display:none}.shared-footer-inner{padding:36px 20px 24px}.footer-intro{align-items:flex-start}.footer-intro p{font-size:14px}.footer-links{gap:22px}.footer-links a{min-height:44px;padding:10px 0}.footer-bottom{flex-direction:column;gap:12px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}

.topbar.ai-network-header.shared-header{min-height:72px;height:auto}.topbar.ai-network-header.shared-header>.topbar__inner{display:flex;min-height:72px;height:auto;width:100%;max-width:1360px;gap:20px;padding:12px 30px}.shared-header .topbar__inner>a:last-child{line-height:18px}.topbar.ai-network-header.shared-header .ai-network{margin-left:auto}@media(max-width:560px){.topbar.ai-network-header.shared-header>.topbar__inner{min-height:68px;padding:12px 16px;gap:12px}.topbar.ai-network-header.shared-header{min-height:68px}.shared-header .brand-logo{flex-shrink:0}}

.footer-links h2{overflow-wrap:anywhere}@media(max-width:420px){.footer-links{grid-template-columns:1fr}}

.topbar.ai-network-header.shared-header .brand-logo__mark b{font-size:24px;font-weight:700}.topbar.ai-network-header.shared-header .brand-logo strong{font-size:22px;font-weight:700;font-family:Arial,sans-serif}@media(max-width:560px){.topbar.ai-network-header.shared-header .brand-logo strong{font-size:19px}.topbar.ai-network-header.shared-header .brand-logo__mark b{font-size:22px}}

/* Scope footer typography so article heading styles cannot enlarge it. */
.shared-footer{margin-top:48px}
.shared-footer .shared-footer-inner{padding:32px 30px 20px}
.shared-footer .footer-intro{padding-bottom:20px;gap:20px}
.shared-footer .footer-logo{font-size:24px;gap:10px}
.shared-footer .footer-logo span{width:34px;height:34px}
.shared-footer .footer-intro p{font-size:14px;line-height:1.5}
.shared-footer .footer-links{gap:28px;padding:24px 0}
.shared-footer .footer-links section{min-width:0}
.shared-footer .footer-links h2{font-size:12px;font-weight:700;line-height:1.5;letter-spacing:.04em;margin:0 0 10px;text-wrap:initial;overflow-wrap:normal}
.shared-footer .footer-links a{font-size:14px;line-height:1.4;padding:6px 0}
.shared-footer .footer-bottom{padding-top:16px}
@media(max-width:560px){
 .shared-footer{margin-top:36px}
 .shared-footer .shared-footer-inner{padding:24px 16px 18px}
 .shared-footer .footer-intro{padding-bottom:16px;gap:16px}
 .shared-footer .footer-logo{font-size:22px;flex-shrink:0}
 .shared-footer .footer-intro p{font-size:12px;max-width:160px}
 .shared-footer .footer-links{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:18px;row-gap:22px;padding:20px 0}
 .shared-footer .footer-links a{font-size:13px;min-height:44px;padding:9px 0;display:flex;align-items:center}
 .shared-footer .footer-links h2{min-height:36px;margin-bottom:6px}
}