:root{--navy:#082e52;--blue:#1262a8;--sky:#eaf3fb;--ink:#162c40;--muted:#5b6c7d;--line:#dce4eb;--paper:#f4f7fa;--white:#fff;color-scheme:light;font-family:Arial,Helvetica,sans-serif;font-size:16px;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0}button,input,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}a:hover{color:var(--blue)}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #2484d3;outline-offset:4px}button{border:0}svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.skip{position:fixed;top:-100px;left:12px;background:white;padding:16px;z-index:100}.skip:focus{top:12px}.masthead{height:102px;display:flex;align-items:center;gap:30px;padding:0 5%;background:white;border-bottom:3px solid var(--navy)}.brand{display:flex;flex-direction:column;line-height:1;color:var(--navy)}.brand strong{font-size:36px;letter-spacing:-1.5px;font-weight:900}.brand strong span{font-size:11px;vertical-align:top;letter-spacing:0}.brand>span{font-size:12px;letter-spacing:2.25px;margin-top:5px}.partner{border-left:1px solid var(--line);padding-left:25px;font-size:14px;letter-spacing:1.2px;line-height:1.35;color:var(--navy)}.partner span{display:block;font-weight:800}.install-top{margin-left:auto;border:1px solid var(--line);border-radius:7px;padding:11px 18px;background:white;color:var(--navy);font-size:14px;font-weight:700;min-height:44px}.install-top:hover{background:var(--sky)}.app-layout{display:grid;grid-template-columns:208px minmax(0,1fr);max-width:1440px;margin:auto;min-height:calc(100vh - 102px)}#navigation{padding:35px 16px;border-right:1px solid var(--line);background:white;display:flex;flex-direction:column;gap:8px}#navigation a{padding:14px 15px;border-radius:7px;display:flex;align-items:center;gap:12px;font-size:15px;font-weight:600;min-height:50px}#navigation a[aria-current=page]{background:var(--sky);color:var(--blue)}#navigation a:hover{background:var(--paper)}main{padding:37px 42px 60px;min-width:0;outline:0}.eyebrow{font-size:12px;letter-spacing:1.5px;font-weight:700;text-transform:uppercase;color:var(--blue);margin:0 0 10px}h1{font-size:32px;letter-spacing:-.7px;line-height:1.16;color:var(--navy);margin:0 0 12px}h2{font-size:22px;letter-spacing:-.25px;color:var(--navy);margin:0}h3{font-size:18px;line-height:1.42;margin:0;font-weight:600;overflow-wrap:anywhere}p{line-height:1.6;margin:0 0 18px}.intro{color:var(--muted);max-width:660px}.searchbox{position:relative;display:flex;align-items:center;background:white;border:1px solid #b7c8d7;border-radius:8px;margin:23px 0 13px;max-width:800px}.searchbox svg{color:var(--muted);margin:0 14px 0 17px}.searchbox input{min-width:0;width:100%;height:54px;background:transparent;border:0;padding:12px 15px 12px 0;color:var(--ink);outline-offset:0}.searchbox:focus-within{border-color:var(--blue);box-shadow:0 0 0 2px #c7e2f6}.searchbox input:focus{outline:0}.searchbox input::placeholder{color:#65778a}.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}.chip{background:transparent;border:1px solid var(--line);color:var(--muted);font-size:14px;min-height:40px;border-radius:22px;padding:8px 16px}.chip[aria-pressed=true]{background:var(--navy);color:white;border-color:var(--navy)}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:25px 0 14px}.toolbar h2{font-size:20px}.text-link{font-size:14px;font-weight:600;color:var(--blue);min-height:44px;display:inline-flex;align-items:center;gap:6px}.text-link svg{width:17px;height:17px}.status{font-size:13px;color:var(--muted);margin:9px 0 18px;line-height:1.5}.status button{font-size:13px;background:transparent;color:var(--blue);text-decoration:underline;padding:6px}.feature{background:var(--navy);color:white;border-radius:10px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px 27px;margin:22px 0 26px}.feature:hover{background:#0b3c68;color:white}.feature .eyebrow{color:#b9dfff;font-size:11px}.feature h2{color:white;font-size:22px;margin-bottom:7px}.feature p{font-size:14px;margin:0;color:#d3e5f3}.feature>svg{width:30px;height:30px}.articles{background:white;border:1px solid var(--line);border-radius:9px;overflow:hidden}.article{display:grid;grid-template-columns:74px minmax(0,1fr) 25px;gap:16px;align-items:center;padding:24px;border-bottom:1px solid var(--line)}.article:last-child{border-bottom:0}.article:hover{background:#f8fbfe;color:var(--ink)}.date{align-self:start;color:var(--muted);font-size:12px;line-height:1.5;text-transform:uppercase;border-right:1px solid var(--line);padding-right:15px}.date strong{display:block;font-size:28px;font-weight:400;line-height:1.1;color:var(--navy);margin-bottom:4px}.tag{font-size:11px;font-weight:700;letter-spacing:.7px;text-transform:uppercase;color:var(--blue);display:block;margin-bottom:7px;line-height:1.4}.article>svg{width:19px;height:19px;color:#71879b}.subtle{color:var(--muted);font-size:14px;line-height:1.5}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.card{background:white;border:1px solid var(--line);border-radius:9px;padding:25px;display:flex;flex-direction:column;align-items:flex-start;min-width:0;gap:12px}.card:hover{border-color:#8eacc5;color:var(--ink)}.card .tile-icon{display:flex;align-items:center;justify-content:center;background:var(--sky);color:var(--blue);width:45px;height:45px;border-radius:7px;margin-bottom:4px}.card h3{color:var(--navy)}.card p{margin:0;color:var(--muted);font-size:14px}.card .card-action{margin-top:auto;padding-top:6px;color:var(--blue);font-size:14px;display:flex;align-items:center;gap:6px}.card-action svg{width:16px;height:16px}.book{border-top:3px solid var(--navy)}.book .tag{margin:0}.course{border-top:3px solid #609bcc}.course time{font-size:12px;color:var(--muted)}.catalog-note{margin:20px 0;color:var(--muted);font-size:14px;line-height:1.55}.empty{padding:35px;background:white;border:1px solid var(--line);border-radius:8px}.empty h3{margin-bottom:10px}.empty p{margin:0}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:46px;padding:12px 18px;border-radius:7px;background:var(--navy);color:white;font-size:15px;font-weight:600}.button:hover{background:#134e81;color:white}.button.light{background:var(--sky);color:var(--navy)}.account{max-width:680px}.account-panel{background:white;border:1px solid var(--line);border-radius:9px;padding:28px;margin-bottom:20px}.account-panel h2{margin-bottom:12px}.account-panel p{color:var(--muted);font-size:15px}.account-panel .button{margin-top:5px}.account-links{display:flex;flex-wrap:wrap;gap:20px}.muted{font-size:14px;color:var(--muted)}.connection{position:fixed;bottom:0;left:0;right:0;z-index:20;background:#fff3d4;color:#594411;padding:10px 20px;text-align:center;font-size:14px;line-height:1.45}.connection[hidden]{display:none}dialog{color:var(--ink);background:white;border:0;border-radius:12px;padding:26px;width:min(480px,calc(100% - 32px));max-height:85vh;box-shadow:0 20px 80px #03162e44}dialog::backdrop{background:#061c37aa}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px}.icon-button{background:var(--paper);border-radius:50%;color:var(--navy);font-size:26px;width:44px;height:44px;flex-shrink:0}.steps{padding-left:25px;line-height:1.6;margin-bottom:20px}.steps li{padding:5px 0}.platform-title{margin-top:20px;font-size:15px;font-weight:700}.footnote{margin-top:30px;padding-top:18px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);line-height:1.6}.update-button{font-size:14px;min-height:44px;padding:8px 10px;background:transparent;color:var(--blue)}[hidden]{display:none!important}
@media(min-width:1450px){.masthead{padding-left:calc((100vw - 1300px)/2);padding-right:calc((100vw - 1300px)/2)}}
@media(max-width:1000px){.app-layout{grid-template-columns:175px minmax(0,1fr)}main{padding:28px 25px 50px}#navigation{padding:24px 10px}#navigation a{padding:14px 10px;font-size:14px;gap:9px}.article{padding:20px;gap:12px}}
@media(max-width:700px){.masthead{height:84px;padding:0 20px;gap:17px;border-bottom-width:2px}.brand strong{font-size:29px}.brand>span{font-size:9px;letter-spacing:1.8px}.partner{font-size:10px;padding-left:15px;letter-spacing:.7px}.install-top{font-size:12px;padding:8px 11px;min-height:38px}.app-layout{display:block;min-height:calc(100vh - 84px)}#navigation{position:fixed;bottom:0;left:0;right:0;z-index:30;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;border:0;border-top:1px solid var(--line);padding:5px 3px calc(5px + env(safe-area-inset-bottom));background:#fff}#navigation a{flex-direction:column;justify-content:center;gap:5px;padding:9px 2px;min-height:60px;border-radius:7px;font-size:14px;font-weight:600;line-height:1.2}#navigation a svg{width:23px;height:23px}#navigation a[aria-current=page]{background:#edf4fa}main{padding:26px 19px calc(95px + env(safe-area-inset-bottom))}h1{font-size:29px;margin-bottom:10px}.intro{font-size:15px}.eyebrow{font-size:11px}.searchbox{margin-top:21px}.searchbox input{font-size:16px;height:52px}.filters{gap:7px;margin-bottom:20px}.chip{font-size:13px;padding:8px 12px}.feature{padding:21px;margin:20px 0 24px;gap:12px}.feature h2{font-size:20px}.feature p{font-size:13px}.toolbar{margin-top:23px}.toolbar h2{font-size:20px}.toolbar .text-link{font-size:13px}.article{grid-template-columns:46px minmax(0,1fr) 16px;gap:12px;padding:19px 15px}.date{font-size:10px;padding-right:9px}.date strong{font-size:24px}.article h3{font-size:16px;line-height:1.45}.article>svg{width:16px;height:16px}.tag{font-size:10px;letter-spacing:.65px}.cards{grid-template-columns:1fr;gap:13px}.card{padding:22px}.card h3{font-size:18px}.book{padding:22px 23px}.connection{bottom:calc(75px + env(safe-area-inset-bottom));font-size:12px;padding:10px 15px}.account-panel{padding:24px}.account-panel .button{width:100%}.footnote{font-size:12px}.status{font-size:12px}.catalog-note{font-size:13px}}
@media(max-width:370px){.masthead{padding:0 13px;gap:10px}.partner{padding-left:10px;font-size:9px}.install-top{font-size:11px;padding:8px}.brand strong{font-size:27px}main{padding-left:14px;padding-right:14px}#navigation a{font-size:13px}}
@media(prefers-reduced-motion:no-preference){a,button{transition:background-color .15s,border-color .15s,color .15s}}

.section-hint{font-size:13px;color:var(--muted);margin:13px 0 6px;line-height:1.5}.section-links{flex-wrap:nowrap;overflow-x:auto;max-width:100%;gap:8px;padding:7px 4px 12px;scroll-padding-inline:8px;scrollbar-width:auto;scrollbar-color:#91a9bf #e7edf3;-webkit-overflow-scrolling:touch}.section-links .chip{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap;min-height:44px;font-size:14px}.section-links .section-link{background:white;color:var(--navy)}.section-links .section-link:hover{border-color:var(--blue);background:var(--sky);color:var(--blue)}.section-links .chip:focus-visible{outline-offset:1px}

.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:12px 0 24px}.topic-link{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:68px;padding:18px;background:white;border:1px solid var(--line);border-radius:8px;color:var(--navy);font-size:16px;line-height:1.4}.topic-link:hover{background:var(--sky);border-color:var(--blue)}.topic-link svg{width:18px;height:18px;flex-shrink:0}@media(max-width:700px){.topic-grid{grid-template-columns:1fr}.topic-link{min-height:58px;padding:16px}}

.masthead{height:auto;min-height:102px;padding:12px 5%;background:#0758a5;gap:24px}.brand-banner{display:block;width:min(720px,100%);min-width:0}.brand-banner img{display:block;width:100%;height:auto}.install-top{flex-shrink:0}@media(max-width:700px){.masthead{padding:0;gap:0;flex-wrap:wrap;min-height:0}.brand-banner{width:100%}.masthead .install-top{margin:8px 14px 10px auto;font-size:14px;min-height:44px}}