:root{--blue:#2447d5;--blue-dark:#1b36a7;--ink:#172039;--muted:#57627b;--line:#dce2ee;--soft:#eef2ff;--paper:#f7f9fc;--radius:14px;color-scheme:light;font-family:Inter,"Segoe UI",Arial,sans-serif;font-size:16px;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #e27c15;outline-offset:5px}p{font-size:1rem;line-height:1.7;margin:0 0 1rem;color:var(--muted)}h1,h2,h3{line-height:1.15;letter-spacing:-.035em;margin:0 0 1rem}h1{font-size:clamp(2.7rem,6vw,4.9rem);font-weight:750}h2{font-size:clamp(1.65rem,3vw,2.2rem)}h3{font-size:1.25rem;line-height:1.3;letter-spacing:-.02em}button{font:inherit;cursor:pointer}.wrap{width:min(1160px,calc(100% - 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var(--line);border-radius:var(--radius);background:white;margin-bottom:70px}.spotlight h2{font-size:1.7rem}.spotlight p{max-width:610px}.spotlight-mark{font-family:Consolas,monospace;font-size:4.3rem;color:var(--blue);letter-spacing:-.12em}.spotlight-mark span{font-size:2.3rem}.text-link{font-weight:650;display:inline-block;line-height:1.6;text-decoration:underline;text-underline-offset:5px}.spotlight-meta{display:flex;flex-direction:column;gap:20px;border-left:1px solid var(--line);padding-left:30px}.spotlight-meta>span{font-size:1.8rem;font-weight:700;color:var(--blue)}.spotlight-meta small{font-size:.69rem;display:block;font-weight:600;letter-spacing:.07em;color:var(--muted);margin-top:5px}.site-footer{border-top:1px solid var(--line);background:white;margin-top:60px}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:28px 0}.footer-inner 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@media print{.site-header,.site-footer,.course-sidebar,.copy-code{display:none}.wrap{width:100%}.course-layout{display:block}.unit{break-inside:avoid}.code-card{background:#f4f4f4;color:#111}.code-header{background:#eee}.code-output code{color:#111}.code-output{border-color:#ddd}h1{font-size:2.5rem}a{color:#111}.two-col{grid-template-columns:1fr 1fr}}

.daa-spotlight{background:#edf2ff;padding:32px;border-radius:14px;margin:30px auto 45px}.daa-spotlight h2{font-size:2rem}.daa-spotlight p{line-height:1.7}@media(max-width:700px){.site-header .header-inner{flex-wrap:wrap;gap:8px;padding-top:12px;padding-bottom:10px}.site-header nav{width:100%;margin:0!important;justify-content:space-between;gap:8px!important}.site-header nav a{min-height:44px;display:flex;align-items:center;font-size:.8rem}.header-note{display:none}.site-header{position:static!important}}