:root{color-scheme:light;--navy:#12284a;--teal:#087e83;--paper:#faf7f2;--line:#d7dfe7}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:18px}body{margin:0;background:#eef1f4;color:var(--navy);font:16px/1.7 Tahoma,Arial,sans-serif}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button,a,summary{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #e5a438;outline-offset:4px}
.site-header{display:flex;align-items:center;justify-content:space-between;gap:24px;background:var(--navy);color:#fff;padding:18px max(22px,calc((100vw - 1360px)/2))}.brand{font-weight:700;white-space:nowrap}.site-header nav{display:flex;flex-wrap:wrap;gap:8px}.site-header nav a{padding:9px 15px;border-radius:7px;font-size:14px;color:#dce5ec}.site-header nav span{margin-inline-end:6px;opacity:.6}.site-header nav a[aria-current=page]{color:#fff;background:#245267}.site-header nav a:hover{background:#23435d}
main{max-width:1360px;margin:auto;padding:24px}.page-start{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:8px 0 23px}.boundary{font-size:12px;color:var(--teal);margin:0}.page-start h1{font-size:23px;line-height:1.4;margin:5px 0 0}.slide-index{display:flex;gap:7px;align-items:center;font-size:13px}.slide-index span{color:#647488;margin-inline-end:5px}.slide-index a{display:grid;place-items:center;min-width:36px;min-height:36px;border:1px solid #cbd5df;border-radius:50%;background:#fff}.slide-index a:hover{background:var(--navy);color:#fff}
.slide{margin:0 0 34px;scroll-margin-top:20px}.slide-tools{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:0 0 9px}.slide-tools h2{font-size:14px;font-weight:400;margin:0}.slide-number{display:inline-block;font-size:12px;color:var(--teal);margin-inline-end:9px}.zoom-open{border:0;background:transparent;color:var(--teal);padding:8px 10px;font-size:13px}.slide-frame{position:relative;direction:ltr;background:var(--paper);box-shadow:0 7px 28px #12284a13;overflow:hidden;isolation:isolate}.slide-frame img{display:block;width:100%;height:auto;aspect-ratio:1921/1080}.feedback-cover{position:absolute;background:#fff;pointer-events:none}.feedback-cover.revealed{opacity:0}.answer-hit{position:absolute;background:transparent;border:0;padding:0;border-radius:12px;color:transparent;touch-action:manipulation}.answer-hit:focus-visible{outline:4px solid #e5a438;outline-offset:-5px}.answer-hit:hover{box-shadow:inset 0 0 0 2px #087e8360}
.transcript{font-size:13px;color:#526579;border-bottom:1px solid var(--line);padding:8px 1px}.transcript summary{cursor:pointer;width:fit-content}.transcript>div{padding:8px 16px;background:#fff;margin-top:10px;border-radius:6px;line-height:1.9}.transcript p{margin:5px 0}.quiz-reset{border:1px solid #c7d3dc;background:#fff;border-radius:6px;padding:5px 15px;margin-top:12px;font-size:12px;color:var(--teal)}
.page-end{display:flex;justify-content:space-between;gap:20px;align-items:center;border-top:2px solid #bacbd6;margin-top:12px;padding:24px 0 8px}.page-end p{margin:0}.page-end nav{display:flex;gap:14px;align-items:center;font-size:14px}.page-end nav a{padding:10px 16px;border-radius:7px}.next-page{background:var(--navy);color:#fff}footer{max-width:1360px;margin:auto;display:flex;gap:22px;align-items:center;padding:15px 24px 32px;font-size:12px;color:#627185}footer span{margin-inline-end:auto}
dialog{padding:0;border:0;border-radius:12px;width:98vw;max-width:1800px;max-height:96dvh;color:var(--navy);background:#edf1f4;overflow:hidden}dialog::backdrop{background:#081424dd}.zoom-toolbar{padding:10px 18px;background:#fff;display:flex;justify-content:space-between;align-items:center;gap:12px}.zoom-toolbar h2{margin:0;font-size:14px}.zoom-toolbar>div{display:flex;gap:8px}.zoom-toolbar button{border:1px solid #d3dce4;background:#fff;border-radius:6px;padding:6px 13px;min-width:38px;color:var(--navy)}#zoom-scroll{overflow:auto;max-height:calc(96dvh - 115px);direction:ltr;overscroll-behavior:contain}#zoom-content{width:100%;margin:auto}.zoom-hint{font-size:11px;text-align:center;margin:5px;padding:2px}.sr-only,.skip-link{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link:focus{clip:auto;width:auto;height:auto;top:6px;right:6px;background:#fff;color:#12284a;padding:10px;z-index:10}body.modal-open{overflow:hidden}
@media(max-width:760px){.site-header{display:block;padding:15px 15px 10px}.brand{display:block;font-size:15px;margin-bottom:10px}.site-header nav{display:grid;grid-template-columns:repeat(3,1fr);gap:4px}.site-header nav a{padding:8px 4px;font-size:11px;text-align:center}.site-header nav span{display:none}main{padding:16px 10px}.page-start{padding:3px 5px 15px;align-items:flex-start}.page-start h1{font-size:19px}.slide-index{gap:4px}.slide-index span{display:none}.slide-index a{min-width:29px;min-height:29px;font-size:11px}.slide-tools h2{font-size:11px}.slide-number{margin-inline-end:5px}.zoom-open{font-size:12px;padding:7px 4px}.slide{margin-bottom:25px}.page-end{display:block;padding:18px 4px 6px}.page-end nav{justify-content:space-between;margin-top:14px;font-size:12px;gap:6px}.page-end nav a{padding:10px 12px}footer{padding:14px 15px 25px;gap:15px;flex-wrap:wrap;font-size:11px}footer span{flex-basis:100%}.zoom-toolbar{padding:8px;align-items:center}.zoom-toolbar h2{font-size:12px;max-width:45%}.zoom-toolbar button{padding:5px 9px;font-size:12px}.transcript{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}@media print{.site-header,.page-start,.slide-tools,.transcript,.page-end,footer,.quiz-reset,dialog{display:none!important}body,main{margin:0;padding:0;background:#fff}.slide{break-after:page;margin:0}.slide-frame{box-shadow:none}.feedback-cover{display:none}}