html{scroll-behavior:auto}body.aoi-unified{margin:0}.local-notice{background:#385d4b;color:#fff;text-align:center;padding:8px 20px;font-size:12px;line-height:1.7}.unified-header{position:static;background:none;border:0}.unified-bar{display:flex;justify-content:space-between;align-items:center;gap:28px;max-width:1280px;margin:auto;padding:26px 48px}.unified-header .brand{display:flex;align-items:center;text-decoration:none;font-size:22px;line-height:1.5}.unified-header .brand small{display:block;font-size:12px;margin-bottom:3px}.unified-header .brand svg{width:28px;height:40px;flex:none}.unified-nav{display:flex;gap:24px;font-size:14px}.unified-nav a{white-space:nowrap;text-decoration:none}body.aoi-unified a.button{background:#42634c;color:#fff;border:1px solid #42634c;border-radius:40px;padding:13px 24px;line-height:1.7;white-space:normal;text-decoration:none;max-width:100%;font-size:16px}.aoi-unified .course{background:#ffffff8c;border:1px solid #c6d8be;border-radius:20px;padding:26px 30px;margin:30px 0;display:flex;justify-content:space-between;align-items:center;gap:24px}.aoi-unified .course h2{font-size:23px;margin:0}.aoi-unified .course p{font-size:16px}.aoi-unified .heading-copy h1{font-size:44px!important}.aoi-unified .heading-copy .lead{font-size:19px;line-height:2}.aoi-unified .heading-copy p{line-height:2}.aoi-unified .resources{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.aoi-unified .card,.aoi-unified .legacy-pdfs{background:#ffffff9c;border:1px solid #cddcc5;border-radius:18px;padding:28px 30px}.aoi-unified .card p,.aoi-unified .card li{font-size:17px;line-height:1.9}.aoi-unified .card h3{font-size:26px}.aoi-unified .legacy-pdfs summary{font-family:var(--aoi-serif);font-size:23px;cursor:pointer}.aoi-unified .legacy-pdfs li{line-height:1.9;margin:12px 0}.aoi-unified .legacy-pdfs .note{font-size:14px}.aoi-unified .chapter-body{overflow-wrap:anywhere;min-width:0}.aoi-unified .chapter-body figure{margin:32px 0}.aoi-unified .chapter-body img{max-width:100%;height:auto;display:block;margin:24px auto;cursor:zoom-in}.aoi-unified .chapter-body .source-text{white-space:pre-wrap}.aoi-unified .chapter-body .source-code{white-space:pre-wrap;overflow-wrap:anywhere;padding:22px;background:#edf2e7;color:#304d3d;border-radius:12px}.aoi-unified .chapter-body .source-num{min-width:1.5em;display:inline-block}.aoi-unified .chapter-body h2{background:none;border-left:0;border-radius:0}.aoi-unified .reading-nav{max-width:100%;display:flex;flex-wrap:wrap;justify-content:space-between;gap:18px;align-items:center;padding:32px 0;margin-top:38px}.aoi-unified .lesson-heading{background:none;border:0}.aoi-unified .lesson-heading .chapter-title{border:0}.aoi-unified .lesson-heading a{font-size:14px}.aoi-unified .footer{max-width:1120px;margin:50px auto 0;background:none;text-align:center;padding:28px 30px 45px}.aoi-unified .footer .terms{font-size:13px;line-height:1.8}.aoi-unified .source-content{line-height:2;font-size:18px}.aoi-unified .source-content .button{white-space:normal;max-width:100%}.aoi-unified .source-content img{max-width:100%;height:auto;cursor:zoom-in}.aoi-unified .source-content .table-wrap{max-width:100%;overflow:auto}.aoi-unified .source-content .article-outline{display:block}.aoi-unified .source-content .article-outline a{white-space:normal}.aoi-unified .source-content h1,.aoi-unified .source-content h2,.aoi-unified .source-content h3{line-height:1.8}.unified-image-dialog{border:1px solid #cbd9c3;border-radius:16px;max-width:min(96vw,1500px);max-height:94vh;padding:18px;background:#fffdf6}.unified-image-dialog::backdrop{background:#253c31bf}.unified-image-dialog img{display:block;max-width:100%;max-height:82vh;object-fit:contain}.unified-image-dialog button{display:block;margin:0 0 12px auto;padding:8px 18px;border:1px solid #b5c4ad;border-radius:20px;background:white;color:#385d4b;font:inherit;cursor:pointer}@media(max-width:900px){.unified-bar{padding:22px 28px;flex-wrap:wrap}.unified-nav{gap:18px}}@media(max-width:600px){.unified-bar{padding:20px;display:block}.unified-header .brand{font-size:18px}.unified-header .brand small{font-size:11px}.unified-nav{margin-top:17px;justify-content:space-between;gap:8px;font-size:12px}.aoi-unified .heading-copy h1{font-size:32px!important}.aoi-unified .course{padding:22px;flex-direction:column;align-items:stretch}.aoi-unified .resources{grid-template-columns:1fr}.aoi-unified .card,.aoi-unified .legacy-pdfs{padding:24px 22px}.aoi-unified .reading-nav{flex-direction:column;align-items:stretch}.aoi-unified .source-content{font-size:17px}.aoi-unified .source-content table{font-size:14px}.aoi-unified .chapter-body .source-code{padding:16px}.aoi-unified .lesson-toc a{white-space:normal}.aoi-unified .source-content .article-outline a{white-space:normal}.aoi-unified .footer{padding:24px 20px}}
body.aoi-unified .unified-header .brand small{display:block;font-size:12px;margin:0 0 3px}body.aoi-unified .lesson-toc{display:block}body.aoi-unified .lesson-toc a{white-space:normal}

body.aoi-unified .source-content .article-header{background:transparent;border:0;padding:0;margin:30px 0}body.aoi-unified .source-content .article-kicker,body.aoi-unified .source-content .article-meta{color:#526d58;opacity:1}

body.aoi-unified .source-content{--blue:#567963;--blue-deep:#42634c;--blue-soft:#e6eee1;--blue-faint:#f1f5ec;--ink:#294a3d;--text:#4b6256;--muted:#657b6c;--line:#cddcc5;--paper:#fffefb}body.aoi-unified .source-content .download-panel a,body.aoi-unified .source-content .button-link,body.aoi-unified .source-content .latest-update-actions a{color:#fff;background:#42634c;border-color:#42634c}