@font-face{font-family:"Chewy";src:url(fonts/Chewy-Regular.ttf) format("truetype");font-display:swap}
@font-face{font-family:"Baloo 2";src:url(fonts/Baloo2-Variable.ttf) format("truetype");font-weight:400 800;font-display:swap}
:root{--k:#010506;--k2:#16191a;--paper:#EEF8F7;--bg:#F6FAF9;--white:#fff;--amber:#F9AC08;--orange:#E25E23;
--ink:#101415;--ink2:#3d4446;--mute:#6f7879;--line:#d9e3e1;--amber-soft:#FFF3D1;--orange-soft:#FCE6DA;--teal-soft:#E3F1EF;
--disp:"Chewy","Baloo 2",system-ui,sans-serif;--head:"Baloo 2",-apple-system,system-ui,sans-serif;--sans:-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;--w:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.7 var(--sans);-webkit-font-smoothing:antialiased}
a{color:var(--ink);text-decoration-color:var(--orange);text-decoration-thickness:2px;text-underline-offset:3px}a:hover{color:var(--orange)}
img{max-width:100%}.wrap{max-width:var(--w);margin:0 auto;padding:0 28px}
/* ===== top bar (black, like the logo) ===== */
.top{position:sticky;top:0;z-index:20;background:var(--k);color:var(--paper)}
.top .wrap{display:flex;align-items:center;gap:30px;height:68px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--paper)}
.brand .mark{width:44px;height:44px;flex:none}
.brand b{display:block;font:400 26px/1 var(--disp);letter-spacing:.01em}.brand small{display:block;font:600 11px var(--head);letter-spacing:.16em;text-transform:uppercase;color:var(--amber);margin-top:2px}
.nav{display:flex;gap:6px}.nav a{padding:6px 14px;border-radius:99px;color:#cfd9d8;text-decoration:none;font:600 15px var(--head)}
.nav a:hover{color:#fff;background:#1d2223}.nav a.on{background:var(--amber);color:var(--k)}
.search{margin-left:auto;position:relative}.search input{width:250px;border:1px solid #2c3334;background:#121718;color:#fff;border-radius:99px;padding:9px 18px;font:14px var(--sans)}
.search input::placeholder{color:#8b9798}.search input:focus{outline:2px solid var(--amber);border-color:transparent}
#qr{position:absolute;right:0;top:48px;width:400px;background:#fff;color:var(--ink);border-radius:16px;box-shadow:0 24px 60px rgba(0,0,0,.25);display:none;max-height:70vh;overflow:auto}
#qr.show{display:block}#qr a{display:block;padding:11px 18px;text-decoration:none;border-bottom:1px solid var(--line)}#qr a:last-child{border:0}#qr a:hover{background:var(--amber-soft);color:var(--ink)}
#qr a small{display:block;color:var(--orange);font:700 11px var(--head);letter-spacing:.08em;text-transform:uppercase}#qr a b{font:600 16px var(--head)}#qr a span{display:block;font-size:13px;color:var(--ink2)}#qr .none{padding:14px 18px;color:var(--mute)}
.burger{display:none;border:0;background:none;font-size:24px;color:#fff;margin-left:auto}
/* ===== hero ===== */
.hero{background:var(--k);color:var(--paper);overflow:hidden;position:relative}
.hero-in{display:grid;grid-template-columns:1.3fr .9fr;gap:40px;align-items:center;padding-top:70px;padding-bottom:84px}
.eyebrow{font:700 12px var(--head);letter-spacing:.18em;text-transform:uppercase;color:var(--amber);margin:0 0 18px}
.hero h1{font:400 clamp(44px,6vw,80px)/1.02 var(--disp);margin:0 0 24px;letter-spacing:.005em}
.hero h1 .a1{color:var(--amber)}.hero h1 .a2{color:var(--orange)}
.hero .lede{color:#c6d1d0}
.lede{font-size:19px;color:var(--ink2);max-width:640px;margin:0 0 8px}
.stats{display:flex;gap:34px;margin-top:34px;color:#93a0a0;font:600 13px var(--head);letter-spacing:.06em;text-transform:uppercase}
.stats b{display:block;font:400 42px/1 var(--disp);color:var(--paper);letter-spacing:0;margin-bottom:4px}
.hero-art{position:relative;justify-self:end;width:min(420px,100%)}.hero-art .big{width:100%;display:block;filter:drop-shadow(0 30px 60px rgba(0,0,0,.5))}
.hero-art::before{display:none}
/* ===== term nav + sections ===== */
.termnav{display:flex;gap:8px;flex-wrap:wrap;margin:34px 0 8px}
.termnav a{padding:7px 16px;border:2px solid var(--k);border-radius:99px;text-decoration:none;color:var(--k);font:700 14px var(--head);background:#fff}
.termnav a:hover{background:var(--k);color:var(--paper)}
.term{padding-top:22px}
.term h2,.page h2{font:700 32px/1.2 var(--head);margin:30px 0 20px;display:flex;align-items:center;gap:12px}
.term h2 small,.page h2 small{font:600 14px var(--head);color:var(--mute)}
i.sq{width:22px;height:22px;background:var(--amber);position:relative;flex:none;display:inline-block}
i.sq::after{content:"";position:absolute;inset:3px;border-radius:50%;background:var(--k)}
.badge{font:700 11px var(--head);letter-spacing:.1em;text-transform:uppercase;background:var(--orange);color:#fff;border-radius:99px;padding:4px 11px}
/* ===== cards ===== */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.card{display:flex;flex-direction:column;background:#fff;border:2px solid var(--k);border-radius:18px;overflow:hidden;text-decoration:none;color:var(--ink);transition:transform .18s,box-shadow .18s}
.card:hover{transform:translate(-3px,-3px);box-shadow:6px 6px 0 var(--amber);color:var(--ink)}
.cv{position:relative;aspect-ratio:4/3;background:var(--k);overflow:hidden;border-bottom:2px solid var(--k)}
.cv img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}.cv .ph{position:absolute;inset:0}
.ph{width:100%;height:100%;display:grid;place-items:center;background:var(--k);position:relative;overflow:hidden}
.ph::before{content:"";position:absolute;width:62%;aspect-ratio:1;background:var(--amber);top:50%;left:50%;transform:translate(-50%,-50%)}
.ph::after{content:"";position:absolute;width:42%;aspect-ratio:1;border-radius:50%;background:var(--k);top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:inset -14px 14px 0 0 var(--k)}
.ph span{position:relative;z-index:2;font:400 54px var(--disp);color:var(--orange)}
.num{position:absolute;left:12px;top:12px;min-width:38px;height:38px;padding:0 8px;background:var(--amber);color:var(--k);display:grid;place-items:center;font:400 22px var(--disp);border:2px solid var(--k);z-index:3}
.cb{padding:16px 18px 18px;display:flex;flex-direction:column;gap:6px;flex:1}.cb b{font:700 19px/1.25 var(--head)}
.cb p{margin:0;font-size:14px;line-height:1.5;color:var(--ink2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.cb small{margin-top:auto;color:var(--mute);font:600 12px var(--head);padding-top:6px;letter-spacing:.02em}
/* ===== lesson header (black band) ===== */
.lh{background:var(--k);color:var(--paper)}.lh-in{display:grid;grid-template-columns:1.25fr 1fr;gap:52px;align-items:center;padding-top:52px;padding-bottom:56px}
.lh-in:not(:has(.lh-img)){grid-template-columns:1fr}
.kicker{font:700 13px var(--head);letter-spacing:.12em;text-transform:uppercase;color:#93a0a0}.kicker a{color:var(--amber);text-decoration:none}
.lh h1{font:400 clamp(34px,4.2vw,54px)/1.08 var(--disp);margin:12px 0 16px;letter-spacing:.005em}
.blurb{font:500 20px/1.5 var(--head);color:#c6d1d0;margin:0 0 20px}
.facts{display:flex;flex-wrap:wrap;gap:10px 30px;margin:0 0 18px}.facts dt{font:700 11px var(--head);text-transform:uppercase;letter-spacing:.14em;color:var(--orange)}.facts dd{margin:0;font-size:15px;color:var(--paper)}
.chips{display:flex;flex-wrap:wrap;gap:7px}.chip{font:600 13px var(--head);padding:4px 13px;border-radius:99px;background:var(--amber);color:var(--k);text-decoration:none}
.chip:hover{background:#fff;color:var(--k)}.chip.c-periods{background:transparent;border:1.5px solid #59625f;color:var(--paper)}
.alt{font-size:13px;color:#8b9798;margin:16px 0 0}
.lh-img{position:relative}.lh-img::before{content:"";position:absolute;width:46%;aspect-ratio:1;background:var(--amber);right:-18px;top:-18px}
.lh-img::after{content:"";position:absolute;width:26%;aspect-ratio:1;border-radius:50%;background:var(--orange);left:-22px;bottom:-22px}
.lh-img img{position:relative;z-index:1;width:100%;max-height:420px;object-fit:cover;border-radius:4px;cursor:zoom-in;display:block;border:6px solid var(--paper)}
/* ===== lesson body ===== */
.lesson{display:grid;grid-template-columns:230px minmax(0,1fr);gap:56px;padding-top:46px;padding-bottom:60px}
.toc-in{position:sticky;top:100px;display:flex;flex-direction:column;gap:2px;font:600 14px/1.35 var(--head)}
.toc b{font:700 11px var(--head);text-transform:uppercase;letter-spacing:.14em;color:var(--mute);margin-bottom:10px}
.toc a{color:var(--ink2);text-decoration:none;padding:6px 12px;border-left:3px solid var(--line)}
.toc a:hover,.toc a.on{color:var(--k);border-color:var(--k);background:#fff}
.toc a.k-homework{border-left-color:var(--orange)}.toc a.k-activity{border-left-color:var(--amber)}.toc a.k-discuss,.toc a.k-warmup{border-left-color:#7fb8b0}
article{max-width:780px;min-width:0}
.sec{margin:0 0 46px;position:relative}.sec h2{font:700 30px/1.2 var(--head);margin:4px 0 14px}
.kl{display:inline-flex;align-items:center;gap:8px;font:700 12px var(--head);text-transform:uppercase;letter-spacing:.14em;color:var(--mute)}
.kl::before{content:"";width:12px;height:12px;background:var(--k)}
.sec.k-goals,.sec.k-discuss,.sec.k-activity,.sec.k-homework,.sec.k-warmup{border-radius:18px;padding:24px 28px;border:2px solid var(--k)}
.sec.k-goals{background:#fff}.sec.k-goals h2::before,.sec.k-discuss h2::before,.sec.k-warmup h2::before,.sec.k-activity h2::before,.sec.k-homework h2::before{content:"";display:inline-block;width:20px;height:20px;margin-right:12px;vertical-align:-1px}
.sec.k-goals h2::before{background:radial-gradient(circle,var(--k) 0 55%,var(--amber) 56%)}
.sec.k-discuss,.sec.k-warmup{background:var(--teal-soft)}.k-discuss h2::before,.k-warmup h2::before{border-radius:50%;background:var(--k)}
.sec.k-activity{background:var(--amber-soft)}.k-activity h2::before{background:var(--amber);border:2px solid var(--k)}
.sec.k-homework{background:var(--orange-soft);box-shadow:6px 6px 0 var(--orange)}.k-homework h2::before{border-radius:50%;background:var(--orange)}
.k-goals .kl::before{background:var(--amber)}.k-discuss .kl::before,.k-warmup .kl::before{border-radius:50%}.k-activity .kl::before{background:var(--amber)}.k-homework .kl::before{border-radius:50%;background:var(--orange)}
.sec.k-goals h2,.sec.k-discuss h2,.sec.k-activity h2,.sec.k-homework h2,.sec.k-warmup h2{font-size:24px}
.sec.k-artwork{border-top:2px solid var(--k);padding-top:26px}
.k-artwork .kl{color:var(--orange)}.k-artwork .kl::before{background:var(--amber);box-shadow:inset 0 0 0 3px var(--amber),inset 0 0 0 12px var(--k)}
.sec.k-context{border-top:1px solid var(--line);padding-top:24px}
.sec.k-source{font-size:14px;color:var(--mute)}.sec.k-source h2{font-size:18px}
.sb h3{font:700 23px/1.3 var(--head);margin:28px 0 8px}.sb h4{font:700 19px/1.35 var(--head);margin:24px 0 6px}.sb h5{font:700 16px var(--head);margin:18px 0 4px}
.sb p{margin:8px 0}.sb ul,.sb ol{padding-left:24px;margin:8px 0}.sb li{margin:4px 0}.sb li::marker{color:var(--orange);font-weight:700}
.sb p.q{background:#fff;border:2px solid var(--k);padding:12px 18px 12px 52px;border-radius:14px;margin:16px 0;position:relative;font-weight:500}
.sb p.q::before{content:"?";position:absolute;left:14px;top:12px;width:26px;height:26px;border-radius:50%;background:var(--orange);color:#fff;display:grid;place-items:center;font:400 18px/1 var(--disp)}
.indent{margin-left:22px}
figure{margin:18px 0}figure img{display:block;max-height:480px;width:auto;margin:0 auto;border-radius:6px;cursor:zoom-in;background:#e6eeec}
figcaption{font-size:13px;line-height:1.5;color:var(--mute);margin-top:8px;text-align:center}
.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin:18px 0;align-items:start}
.gallery figure{margin:0}.gallery figure img{width:100%;height:220px;object-fit:cover}.gallery figcaption{text-align:left}
.cols{display:grid;gap:22px;margin:16px 0;align-items:start}.cols.n2{grid-template-columns:1fr 1fr}.cols.n3{grid-template-columns:1fr 1fr 1fr}.cols.n4,.cols.n5,.cols.n6{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}
.col figure:first-child{margin-top:0}.col figure img{width:100%;max-height:340px;object-fit:contain}
blockquote{margin:16px 0;padding:6px 0 6px 22px;border-left:6px solid var(--amber);font:500 19px/1.6 var(--head);color:var(--ink2)}
.callout{display:flex;gap:12px;background:#fff;border:2px solid var(--k);border-radius:14px;padding:14px 18px;margin:16px 0}.ci{font-size:20px}
details{background:#fff;border:2px solid var(--k);border-radius:14px;padding:10px 16px;margin:12px 0}summary{cursor:pointer;font:700 16px var(--head)}
hr{border:0;border-top:1px dashed #b9c6c4;margin:30px 0}
.tw{overflow-x:auto;margin:16px 0}table{border-collapse:collapse;font-size:15px;background:#fff;min-width:100%;border:2px solid var(--k)}
td,th{border:1px solid var(--line);padding:9px 12px;vertical-align:top;text-align:left}tr:first-child td,th{background:var(--k);color:var(--paper);font:700 14px var(--head)}
mark{background:var(--amber-soft);padding:0 3px;box-shadow:inset 0 -3px 0 var(--amber)}code{background:#e6eeec;padding:1px 6px;border-radius:5px;font-size:.9em}
/* video */
.video{margin:22px 0}.video video{width:100%;border-radius:14px;background:#000}
.yt{position:relative;aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:var(--k);cursor:pointer;border:2px solid var(--k)}
.yt img{width:100%;height:100%;object-fit:cover;opacity:.85;border-radius:0;max-height:none;display:block}
.yt button{position:absolute;inset:0;margin:auto;width:74px;height:74px;border:0;border-radius:50%;background:var(--orange);color:#fff;font-size:26px;cursor:pointer;box-shadow:0 0 0 8px rgba(249,172,8,.85)}
.yt:hover button{transform:scale(1.06)}.yt iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
/* books */
.book{display:flex;gap:14px;align-items:center;background:#fff;border:2px solid var(--k);border-radius:16px;padding:12px;text-decoration:none;color:var(--ink);margin:14px 0;max-width:470px;transition:transform .15s,box-shadow .15s}
.book:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--amber);color:var(--ink)}
.bk-cover{width:64px;flex:none}.bk-cover img{width:64px;height:88px;object-fit:cover;border-radius:3px;box-shadow:0 4px 10px rgba(0,0,0,.2);display:block}
.bk-ph{width:64px;height:88px;border-radius:3px;background:var(--orange);color:#fff;display:grid;place-items:center;font:28px var(--disp)}
.bk-meta b{display:block;font:700 17px/1.25 var(--head)}.bk-meta i{display:block;font-size:13px;color:var(--ink2)}
.bk-meta small{display:inline-block;margin-top:6px;font:700 11px var(--head);letter-spacing:.08em;background:var(--k);color:var(--amber);padding:2px 9px;border-radius:99px}
.orig{font-size:13px;margin-top:40px}.orig a{color:var(--mute)}
.pn{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px;border-top:2px solid var(--k);padding-top:24px}
.pn a{text-decoration:none;color:var(--ink);font:700 16px/1.35 var(--head);padding:14px 18px;border:2px solid var(--k);border-radius:16px;background:#fff}
.pn a:hover{background:var(--amber);color:var(--k)}.pn a.r{text-align:right}.pn small{display:block;font:700 11px var(--head);letter-spacing:.12em;text-transform:uppercase;color:var(--orange);margin-bottom:4px}
.pn a:hover small{color:var(--k)}
/* pages */
.page{padding-top:44px;padding-bottom:60px}.pt{font:400 64px/1 var(--disp);margin:0 0 14px;display:flex;align-items:center;gap:16px}
.pt-mark .ptm{width:52px;height:52px;display:block}
.themes{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:22px}
.theme{background:#fff;border:2px solid var(--k);border-radius:18px;padding:18px 20px}.theme h3{font:700 22px var(--head);margin:0 0 10px;display:flex;align-items:center;gap:10px}
.theme h3::before{content:"";width:14px;height:14px;background:var(--amber);border:2px solid var(--k)}.theme:nth-child(3n+2) h3::before{border-radius:50%;background:var(--orange)}.theme:nth-child(3n) h3::before{border-radius:50%;background:var(--k)}
.theme h3 small{font:600 13px var(--head);color:var(--mute)}
.mini{display:flex;gap:12px;align-items:center;padding:8px 0;text-decoration:none;color:var(--ink);border-top:1px solid var(--line);font-size:14px;line-height:1.35}
.mini img,.mini .ph{width:54px;height:42px;object-fit:cover;border-radius:6px;flex:none}.mini .ph::before{width:70%}.mini .ph::after{width:46%;box-shadow:inset -4px 4px 0 var(--k)}
.mini small{display:block;color:var(--orange);font:700 10px var(--head);letter-spacing:.1em;text-transform:uppercase}.mini:hover{color:var(--orange)}
.timeline{list-style:none;padding:0;margin:0;border-left:3px solid var(--k)}.timeline li{position:relative;padding:0 0 28px 30px}
.timeline li::before{content:"";position:absolute;left:-12px;top:8px;width:16px;height:16px;border-radius:50%;background:var(--orange);border:3px solid var(--k)}
.timeline li:nth-child(even)::before{border-radius:0;background:var(--amber)}
.timeline h3{font:700 22px var(--head);margin:0 0 8px}.timeline .row{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:0 22px}
.az{columns:3 240px;column-gap:30px}.art{break-inside:avoid;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px}.art b{display:block;font:700 17px var(--head)}
.art a{margin-right:10px;text-decoration:none;font:600 12px var(--head);color:var(--orange)}
.wrapnav a{font-size:13px;padding:5px 12px}
.works{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:20px}
.work{background:#fff;border:2px solid var(--k);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;font-size:13px}
.work img,.work .ph{width:100%;height:170px;object-fit:cover;cursor:zoom-in;display:block;border-bottom:2px solid var(--k)}.work b{font:700 16px/1.3 var(--head);padding:10px 12px 0}
.work span{padding:2px 12px;color:var(--ink2)}.work a{padding:4px 12px 12px;text-decoration:none;font:700 12px var(--head);color:var(--orange);margin-top:auto}
.gal h2 small{margin-left:4px}
.books{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:20px}.bk .book{margin:0;max-width:none}
.for{display:flex;gap:10px;flex-wrap:wrap;margin:8px 4px 0}.for a{text-decoration:none;font:700 12px var(--head);color:var(--orange)}
.vids{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}.vid a{display:block;font:600 13px/1.4 var(--head);margin-top:8px;text-decoration:none}.vid video{width:100%;border-radius:14px}
/* footer */
.foot{background:var(--k);color:#93a0a0;padding:36px 0 50px;font-size:13px;margin-top:40px}.foot a{color:var(--paper)}
.fb{display:flex;align-items:center;gap:10px;margin-bottom:8px}.fmark{width:36px;height:36px}.fb b{font:400 24px var(--disp);color:var(--paper)}
/* lightbox */
#lb{position:fixed;inset:0;z-index:50;background:rgba(1,5,6,.95);display:flex;align-items:center;justify-content:center}#lb[hidden]{display:none}
#lb img{max-width:88vw;max-height:84vh;border-radius:3px}.lb-c{position:absolute;bottom:22px;left:0;right:0;text-align:center;color:#ccd6d5;font-size:14px;padding:0 60px}
#lb button{position:absolute;background:var(--amber);border:0;color:var(--k);font-size:30px;width:52px;height:52px;border-radius:50%;cursor:pointer;line-height:1}#lb button:hover{background:var(--orange);color:#fff}
.lb-x{top:18px;right:18px}.lb-p{left:18px}.lb-n{right:18px}
@media(max-width:980px){.lesson{grid-template-columns:1fr}.toc{display:none}.lh-in,.hero-in{grid-template-columns:1fr}.hero-art{display:none}.search input{width:180px}}
@media(max-width:720px){.wrap{padding:0 18px}.nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--k);flex-direction:column;padding:12px}
body.menu .nav{display:flex}.burger{display:block}.search{display:none}.cols.n2,.cols.n3{grid-template-columns:1fr}.hero-in{padding-top:44px;padding-bottom:50px}.pn{grid-template-columns:1fr}.pt{font-size:48px}}
@media print{.top,.toc,.pn,.foot{display:none}.lesson{display:block}.lh{background:#fff;color:#000}}
/* ===== in-site reading ===== */
.bookblock{margin:16px 0}.bookblock .book{margin:0;max-width:none;cursor:default}.bookblock .book:hover{transform:none;box-shadow:none}
.bk-acts{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.bk-acts button,.bk-acts a{font:700 13px var(--head);border:2px solid var(--k);border-radius:99px;padding:6px 14px;cursor:pointer;text-decoration:none;color:var(--k);background:#fff}
.bk-read{background:var(--amber)!important}.bk-read.on{background:var(--k)!important;color:var(--amber)!important}.bk-acts a:hover{background:var(--k);color:var(--paper)}
.bk-frame{margin-top:10px;border:2px solid var(--k);border-radius:16px;overflow:hidden;background:#525659}
.bk-frame iframe{display:block;width:100%;height:78vh;border:0}
.bk-go{margin-left:auto;font:700 13px var(--head);background:var(--amber);border:2px solid var(--k);border-radius:99px;padding:5px 14px;white-space:nowrap}
.rd-head{background:var(--k);color:var(--paper)}.rd-in{display:flex;align-items:center;gap:24px;padding-top:18px;padding-bottom:18px;flex-wrap:wrap}
.rd-back{color:var(--amber);text-decoration:none;font:700 14px var(--head)}.rd-t{flex:1;min-width:240px}
.rd-t h1{font:400 30px/1.1 var(--disp);margin:0}.rd-t p{margin:2px 0 0;color:#9aa6a6;font-size:14px}
.rd-acts{display:flex;gap:8px}.rd-acts a{font:700 13px var(--head);border:2px solid #3a4344;border-radius:99px;padding:6px 14px;color:var(--paper);text-decoration:none}.rd-acts a:hover{background:var(--amber);color:var(--k);border-color:var(--amber)}
.rd-body{max-width:1200px;margin:0 auto;padding:18px 28px 10px}
iframe.pdf{display:block;width:100%;height:calc(100vh - 210px);min-height:520px;border:2px solid var(--k);border-radius:14px;background:#525659}
.epub{border:2px solid var(--k);border-radius:14px;background:#fff;overflow:hidden}
.ep-bar{display:flex;align-items:center;gap:12px;padding:8px 12px;background:var(--k)}
.ep-bar button{width:40px;height:40px;border-radius:50%;border:0;background:var(--amber);font:700 22px/1 var(--head);cursor:pointer}.ep-bar button:hover{background:var(--orange);color:#fff}
.ep-toc{flex:1;max-width:520px;font:600 14px var(--head);padding:7px 10px;border-radius:10px;border:0}.ep-pos{color:var(--amber);font:700 13px var(--head);margin-left:auto}
.ep-view{height:calc(100vh - 270px);min-height:480px;padding:10px}
.ep-msg{padding:40px;font-size:16px;text-align:center}
.rd-used{font:600 13px var(--head);color:var(--mute);margin:12px 2px}.rd-used a{color:var(--orange);margin-left:8px;text-decoration:none}
html.embed .top,html.embed .foot,html.embed .rd-head,html.embed .rd-used{display:none}
html.embed body{background:#525659}html.embed .rd-body{padding:0;max-width:none}
html.embed iframe.pdf{height:78vh;min-height:0;border:0;border-radius:0}html.embed .epub{border:0;border-radius:0}html.embed .ep-view{height:calc(78vh - 56px);min-height:0}
@media(max-width:720px){.bookblock .book{flex-wrap:wrap}.bk-acts{width:100%;justify-content:flex-start}}
/* ===== hero variants ===== */
.opt-note{padding:30px 28px 0}.opt-note h1{font:800 34px var(--head);margin:0}.opt-lab{font:800 20px var(--head);padding-top:46px;padding-bottom:12px;border-top:3px solid var(--k);margin-top:40px}
.hx-t{font:800 clamp(38px,4.6vw,58px)/1.02 var(--head);margin:0;letter-spacing:-.01em}.hx-t span{display:block;color:var(--amber)}
.hx-s{font:500 19px/1.5 var(--head);color:#b9c5c4;margin:14px 0 0;max-width:460px}
.hx-b{display:flex;gap:10px;margin-top:26px;flex-wrap:wrap}.hx-b a{font:700 15px var(--head);padding:10px 20px;border-radius:99px;text-decoration:none}
.hx-b .b1{background:var(--amber);color:var(--k)}.hx-b .b1:hover{background:var(--orange);color:#fff}.hx-b .b2{border:2px solid #3a4344;color:var(--paper)}.hx-b .b2:hover{border-color:var(--paper)}
.hx-n{display:flex;gap:26px;margin-top:30px;font:700 12px var(--head);letter-spacing:.1em;text-transform:uppercase;color:#7f8c8c}.hx-n b{display:block;font:800 26px/1 var(--head);color:var(--paper);letter-spacing:0;margin-bottom:3px}
.hx-m{width:58px;height:58px;display:block;margin-bottom:18px}
.hx{background:var(--k);color:var(--paper);overflow:hidden}
/* A */
.hxA-in{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:center;padding-top:56px;padding-bottom:60px}
.mosaic{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.mt{aspect-ratio:1;display:block;overflow:hidden;position:relative}.mt img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}
.mt:hover img{transform:scale(1.07)}.mt.ci{border-radius:50%}.mt.sq{border-radius:4px}
.f-amber{background:var(--amber)}.f-orange{background:var(--orange);border-radius:50%}.f-black{background:#1b2122;border-radius:50%;box-shadow:inset 0 0 0 10px var(--amber)}
.mosaic .mt:nth-child(n+13){display:none}
/* B */
.hxB{padding:44px 0 46px}.hxB-top{display:flex;align-items:flex-end;gap:26px;flex-wrap:wrap}.hxB-top .hx-m{margin:0 0 6px}.hxB-top .hx-n{margin:0 0 6px auto}
.hxB-lab{display:flex;justify-content:space-between;align-items:center;margin:34px 0 14px;font:800 13px var(--head);letter-spacing:.12em;text-transform:uppercase;color:var(--amber)}
.hxB-lab a{color:#9aa6a6;text-decoration:none;letter-spacing:.04em}
.strip{display:flex;gap:16px;overflow-x:auto;padding:4px max(28px,calc((100vw - var(--w))/2 + 28px)) 14px;scroll-snap-type:x mandatory;scrollbar-width:thin}
.st{flex:0 0 220px;scroll-snap-align:start;text-decoration:none;color:var(--paper);position:relative}
.st-i{display:block;aspect-ratio:4/3;border-radius:12px;overflow:hidden;background:#1b2122;border:2px solid #262d2e}.st-i img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}
.st-i .ph{display:block;width:100%;height:100%}.st:hover .st-i img{transform:scale(1.05)}.st:hover .st-i{border-color:var(--amber)}
.st-n{position:absolute;top:8px;left:8px;min-width:30px;height:30px;padding:0 6px;background:var(--amber);color:var(--k);display:grid;place-items:center;font:800 15px var(--head)}
.st b{display:block;font:700 15px/1.3 var(--head);margin-top:10px}
/* C */
.hxC{background:var(--paper);color:var(--k)}.hxC .hx-s{color:var(--ink2)}.hxC .hx-n{color:var(--mute)}.hxC .hx-n b{color:var(--k)}.hxC .hx-t span{color:var(--orange)}
.hxC .hx-b .b1{background:var(--k);color:var(--amber)}.hxC .hx-b .b2{border-color:var(--k);color:var(--k)}
.hxC-in{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding-top:60px;padding-bottom:64px}
.poster{position:relative;display:block;width:min(460px,100%);aspect-ratio:1;justify-self:center;text-decoration:none;color:var(--k)}
.p-sq{position:absolute;inset:7%;background:var(--amber)}
.p-ci{position:absolute;inset:0;margin:auto;width:70%;height:70%;border-radius:50%;overflow:hidden;background:var(--k);box-shadow:0 0 0 12px var(--k)}
.p-ci img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s}.poster:hover .p-ci img{transform:scale(1.06)}
.p-or{position:absolute;width:30%;height:30%;border-radius:50%;background:var(--orange);left:4%;bottom:4%;mix-blend-mode:multiply}
.p-cap{position:absolute;right:-6px;bottom:2%;background:var(--k);color:var(--paper);padding:10px 14px;font:700 11px var(--head);letter-spacing:.1em;text-transform:uppercase;max-width:62%}
.p-cap b{display:block;font:700 15px/1.3 var(--head);letter-spacing:0;text-transform:none;color:var(--amber);margin-top:2px}
@media(max-width:980px){.hxA-in,.hxC-in{grid-template-columns:1fr}.hxB-top .hx-n{margin-left:0}}
.hxB-top{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:26px}.hxB-top .hx-m{margin:0;width:72px;height:72px}.hxB-top .hx-n{margin:0}
.hxB-top .hx-s{margin-top:8px}.strip{scroll-padding-inline:max(28px,calc((100vw - var(--w))/2 + 28px))}
.p-or{mix-blend-mode:normal;opacity:1}
@media(max-width:980px){.hxB-top{grid-template-columns:auto 1fr}.hxB-top .hx-n{grid-column:1/-1}}
/* ===== v4: programs / themes / typography ===== */
.hsec{padding-top:30px}.hs-h{display:flex;align-items:baseline;justify-content:space-between;gap:20px}.hs-h a{font:700 14px var(--head);text-decoration:none;color:var(--orange)}
i.sq.ci::after{inset:0;border-radius:50%;background:var(--orange)}i.sq.ci{background:var(--k);border-radius:50%}
.tgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:18px}
.tcard{display:block;background:#fff;border:2px solid var(--k);border-radius:16px;overflow:hidden;text-decoration:none;color:var(--ink);transition:transform .18s,box-shadow .18s}
.tcard:hover{transform:translate(-3px,-3px);box-shadow:6px 6px 0 var(--amber);color:var(--ink)}
.clg{display:grid;grid-template-columns:1fr 1fr;aspect-ratio:16/10;background:var(--k);gap:2px;border-bottom:2px solid var(--k)}
.clg img{width:100%;height:100%;object-fit:cover;display:block;min-height:0}.clg img:only-child{grid-column:1/-1;grid-row:1/3}
.tc-b{display:flex;justify-content:space-between;align-items:baseline;gap:8px;padding:12px 14px}.tc-b b{font:700 17px/1.2 var(--head)}.tc-b small{font:700 12px var(--head);color:var(--orange);white-space:nowrap}
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:22px}
.pcard{display:grid;grid-template-columns:150px 1fr;background:#fff;border:2px solid var(--k);border-radius:18px;overflow:hidden;text-decoration:none;color:var(--ink);transition:transform .18s,box-shadow .18s}
.pcard:hover{transform:translate(-3px,-3px);box-shadow:6px 6px 0 var(--orange);color:var(--ink)}
.pcard .clg{aspect-ratio:auto;height:100%;border-bottom:0;border-right:2px solid var(--k)}
.pc-b{padding:16px 18px}.pc-b b{display:block;font:800 24px/1.1 var(--head);margin:6px 0 2px}.pc-b small{display:block;color:var(--mute);font:600 13px var(--head)}
.pc-b .badge{font-size:10px}.pc-b ol{margin:10px 0 0;padding-left:20px;font-size:13px;line-height:1.5;color:var(--ink2)}.pc-b ol li::marker{color:var(--orange);font-weight:700}.pc-b li.more{list-style:none;color:var(--mute)}
.ph-head .wrap{padding-top:44px;padding-bottom:44px}.ph-head h1{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.rows{display:flex;flex-direction:column;gap:14px;max-width:960px}
.row{display:grid;grid-template-columns:56px 180px 1fr;gap:20px;align-items:center;background:#fff;border:2px solid var(--k);border-radius:16px;padding:12px;text-decoration:none;color:var(--ink);transition:transform .15s,box-shadow .15s}
.row:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--amber);color:var(--ink)}
.rn{width:48px;height:48px;background:var(--amber);border:2px solid var(--k);display:grid;place-items:center;font:400 26px var(--disp);justify-self:center}
.ri{display:block;aspect-ratio:4/3;border-radius:10px;overflow:hidden;background:var(--k)}.ri img{width:100%;height:100%;object-fit:cover;display:block}
.rt b{display:block;font:700 20px/1.25 var(--head)}.rt p{margin:4px 0 6px;font-size:14px;line-height:1.5;color:var(--ink2)}
.ct{display:flex;flex-wrap:wrap;gap:5px}.ct i{font:600 11px var(--head);font-style:normal;background:var(--teal-soft);color:var(--ink2);padding:2px 9px;border-radius:99px}
.cb .ck{font:700 11px var(--head);letter-spacing:.08em;text-transform:uppercase;color:var(--orange)}.cb .ct{margin-top:auto;padding-top:8px}
.pintro{max-width:780px;margin-bottom:30px}
.related{margin-top:40px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}.related b{font:700 14px var(--head);margin-right:6px}
.steps{display:flex;gap:6px;margin-top:22px;flex-wrap:wrap}.steps a{width:32px;height:32px;display:grid;place-items:center;border:1.5px solid #3a4344;color:#9aa6a6;text-decoration:none;font:700 14px var(--head)}
.steps a:hover{border-color:var(--amber);color:var(--amber)}.steps a.on{background:var(--amber);border-color:var(--amber);color:var(--k)}
.credit{position:absolute;z-index:2;right:12px;bottom:12px;background:rgba(1,5,6,.75);color:#cfd9d8;font:600 11px var(--head);padding:3px 9px;border-radius:99px}
.row2{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:0 22px}
.mini .ph{width:54px;height:42px}
/* typography cleanup */
.sec h2{margin-top:0}
.sb p.lead{font:600 18px/1.55 var(--head);color:var(--ink);margin:18px 0 8px}
.sb p.src{font-size:13px;color:var(--mute);margin-top:14px}.sb p.src a{color:var(--mute)}
.sb p.q{background:none;border:0;border-radius:0;padding:4px 0 4px 40px;margin:14px 0;font:600 18px/1.55 var(--head)}
.sb p.q::before{left:0;top:6px}
.sb > :first-child{margin-top:0}
.sb h3+h4,.sb h4+h5{margin-top:6px}
/* video links */
.ytl{display:flex;align-items:center;gap:16px;background:#fff;border:2px solid var(--k);border-radius:16px;padding:10px;text-decoration:none;color:var(--ink);margin:18px 0;max-width:620px;transition:transform .15s,box-shadow .15s}
.ytl:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--orange);color:var(--ink)}
.yt-th{position:relative;width:200px;flex:none;aspect-ratio:16/9;border-radius:10px;overflow:hidden;background:var(--k)}.yt-th img{width:100%;height:100%;object-fit:cover;display:block;opacity:.9}
.yt-play{position:absolute;inset:0;margin:auto;width:44px;height:44px;border-radius:50%;background:var(--orange);color:#fff;display:grid;place-items:center;font-size:16px;box-shadow:0 0 0 5px rgba(249,172,8,.85)}
.yt-tx b{display:block;font:700 17px var(--head)}.yt-tx small{color:var(--mute);font-size:12px;word-break:break-all}
.vcap{font-size:13px;color:var(--mute);margin:-8px 0 16px}
.vids{grid-template-columns:repeat(auto-fill,minmax(360px,1fr))}.vid .ytl{margin:0;max-width:none}.vfor{display:block;font:600 13px/1.4 var(--head);margin-top:8px;text-decoration:none;color:var(--orange)}
@media(max-width:720px){.row{grid-template-columns:44px 1fr}.ri{display:none}.pcard{grid-template-columns:1fr}.pcard .clg{aspect-ratio:16/9;border-right:0;border-bottom:2px solid var(--k)}.yt-th{width:120px}}
.clg.n1 img{grid-column:1/-1;grid-row:1/3}.clg.n2 img{grid-row:1/3}.clg.n3 img:first-child{grid-row:1/3}
.hs-h h2{font:700 32px/1.2 var(--head);margin:30px 0 20px;display:flex;align-items:center;gap:14px}
.sec.k-bare{margin-bottom:10px}.sec.k-bare h2{font-size:24px}
.sb p.q{padding:0;font:600 18px/1.55 var(--head);color:var(--ink)}.sb p.q::before{display:none}
.bk-meta i{margin-top:2px}
.ytv{margin:20px 0;max-width:720px}
.yt-ph,.ytv iframe{display:block;width:100%;aspect-ratio:16/9;border:2px solid var(--k);border-radius:14px;overflow:hidden;background:var(--k);padding:0;position:relative;cursor:pointer}
.yt-ph img{width:100%;height:100%;object-fit:cover;display:block;opacity:.92}.yt-ph:hover img{opacity:1}
.yt-ph .yt-play{width:70px;height:70px;font-size:24px;box-shadow:0 0 0 8px rgba(249,172,8,.85)}.yt-ph:hover .yt-play{background:#f0702f}
.yt-cap{padding:8px 2px 0}.yt-cap b{display:block;font:700 17px/1.3 var(--head)}.yt-cap span{font-size:13px;color:var(--mute)}.yt-cap a{color:var(--orange);font-weight:600;text-decoration:none}
.vid .ytv{margin:0}
.brand b{font:400 28px/1 var(--disp);letter-spacing:.01em;color:var(--paper)}.brand:hover b{color:var(--amber)}.top .wrap{height:60px}
/* ===== hero mosaic v2 ===== */
.mosaic{display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(3,1fr);gap:12px;aspect-ratio:4/3}
.mosaic .mt{aspect-ratio:auto;position:relative;display:block;overflow:visible;min-width:0;min-height:0}
.mosaic .mt:nth-child(n+13){display:block}
.m-in{position:absolute;inset:0;overflow:hidden;display:block;background:#1b2122}
.m-in img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.m-qtl .m-in{border-radius:100% 0 0 0}.m-qbr .m-in{border-radius:0 0 100% 0}.m-circ .m-in{border-radius:50%}
.m-arch .m-in{border-radius:50% 50% 0 0/50% 50% 0 0}.m-sq .m-in{border-radius:3px}
.m-big{grid-column:1/3;grid-row:1/3}.m-big .m-in{background:transparent;overflow:visible}
.b-sq{position:absolute;inset:6%;background:var(--amber)}
.b-ci{position:absolute;left:50%;top:50%;width:80%;height:80%;transform:translate(-50%,-50%);border-radius:50%;overflow:hidden;box-shadow:0 0 0 10px var(--k);background:var(--k)}
.b-or{position:absolute;width:30%;height:30%;border-radius:50%;background:var(--orange);left:2%;bottom:2%;box-shadow:0 0 0 6px var(--k)}
.m-logo{display:grid!important;place-items:center;background:transparent}.m-logo .lm{width:88%;height:88%;display:block}
.m-cap{position:absolute;left:8px;right:8px;bottom:8px;z-index:3;background:rgba(1,5,6,.86);color:#c6d1d0;font:600 11px/1.35 var(--head);padding:7px 10px;border-radius:8px;opacity:0;transform:translateY(6px);transition:.25s;pointer-events:none}
.m-cap b{display:block;color:var(--amber);font-size:12px}
.mt:hover .m-cap{opacity:1;transform:none}.mt:hover .m-in img{filter:saturate(1.1)}
.m-big:hover .b-ci img{transform:scale(1.55)!important}
.m-big .m-cap{left:14%;right:14%;bottom:10%}
@media(max-width:980px){.mosaic{max-width:560px}}
/* ===== theme cards v2: one image, solid colour ===== */
.tgrid2{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.tcard2{position:relative;display:block;aspect-ratio:1/1.05;border-radius:20px;overflow:hidden;text-decoration:none;transition:transform .2s,box-shadow .2s}
.tcard2:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(1,5,6,.18)}
.t-black{background:var(--k);color:var(--paper)}.t-amber{background:var(--amber);color:var(--k)}.t-paper{background:#fff;color:var(--k);box-shadow:inset 0 0 0 2px var(--k)}.t-orange{background:var(--orange);color:#fff}
.tc-art{position:absolute;top:9%;right:9%;width:62%;aspect-ratio:1;overflow:hidden;background:#1b2122}
.tc-art img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}.tcard2:hover .tc-art img{transform:scale(1.08)}
.s-circ{border-radius:50%}.s-qtl{border-radius:100% 0 0 0}.s-arch{border-radius:50% 50% 0 0/50% 50% 0 0}.s-sq{border-radius:4px}
.t-black .tc-art{box-shadow:0 0 0 6px var(--amber)}.t-amber .tc-art,.t-orange .tc-art{box-shadow:0 0 0 6px var(--k)}.t-paper .tc-art{box-shadow:0 0 0 6px var(--orange)}
.tc-txt{position:absolute;left:8%;right:8%;bottom:8%}
.tc-txt b{display:block;font:800 26px/1.05 var(--head);letter-spacing:-.01em;max-width:85%}
.tc-txt small{display:block;margin-top:6px;font:700 12px var(--head);letter-spacing:.1em;text-transform:uppercase;opacity:.75}
p.more{margin:18px 0 0}p.more a{font:700 15px var(--head);color:var(--k);text-decoration:none;border-bottom:3px solid var(--amber)}
.tc-art{top:8%;right:8%;width:52%}
.tc-txt{bottom:7%}.tc-txt b{font-size:24px;max-width:100%}
.hx-k{font:700 12px var(--head);letter-spacing:.18em;text-transform:uppercase;color:#7f8c8c;margin:0 0 16px}
.hx-slogan{font:400 clamp(40px,4.4vw,60px)/1.08 var(--disp);letter-spacing:.005em}.hx-slogan span{display:block;color:var(--amber);margin-top:4px}
/* ===== search box v2 ===== */
.search input{width:190px;height:40px;padding:0 16px 0 40px;border:2px solid #2f3738;background:transparent;color:var(--paper);border-radius:99px;font:600 15px var(--head);transition:width .25s,border-color .2s,background .2s}
.search input::placeholder{color:#8b9798;font:600 15px var(--head)}
.search input:hover{border-color:#4a5455}
.search input:focus{width:280px;outline:none;border-color:var(--amber);background:#0d1213}
.search input::-webkit-search-cancel-button{-webkit-appearance:none}
.search::before{content:"";position:absolute;left:15px;top:12px;width:11px;height:11px;border-radius:50%;border:2.5px solid var(--amber);pointer-events:none;z-index:1}
.search::after{content:"";position:absolute;left:27px;top:25px;width:7px;height:2.5px;background:var(--amber);transform:rotate(45deg);transform-origin:left center;pointer-events:none;border-radius:2px}
#qr{top:50px;border:2px solid var(--k)}
.wimg{position:relative;display:block;border-bottom:2px solid var(--k)}.wimg img{border-bottom:0!important}
.wcr{position:absolute;right:8px;bottom:8px;background:rgba(1,5,6,.75);color:#cfd9d8!important;font:600 10px var(--head)!important;padding:2px 8px!important;border-radius:99px;text-decoration:none;margin:0!important}
.wlist{margin-top:18px;background:#fff;border:2px solid var(--k);border-radius:16px;padding:16px 20px;max-width:900px}
.wlist>b{font:700 12px var(--head);letter-spacing:.12em;text-transform:uppercase;color:var(--mute)}
.wlist ul{list-style:none;margin:8px 0 0;padding:0}.wlist li{display:grid;grid-template-columns:1fr auto;gap:2px 16px;padding:10px 0;border-top:1px solid var(--line)}.wlist li:first-child{border-top:0}
.wl-t{font:700 16px/1.3 var(--head)}.wl-m{grid-row:2;font-size:13px;color:var(--ink2)}.wlist li a{grid-row:1/3;grid-column:2;align-self:center;font:700 12px var(--head);color:var(--orange);text-decoration:none;white-space:nowrap}
/* ===== artworks v3: teacher's works + detail viewer ===== */
.artp{padding-top:10px}.artl{margin:22px 0 34px}
.artl-h{display:inline-flex;align-items:baseline;gap:10px;flex-wrap:wrap;text-decoration:none;color:var(--ink);font:700 19px/1.3 var(--head);margin-bottom:12px}
.artl-h span{font:700 11px var(--head);letter-spacing:.1em;text-transform:uppercase;color:var(--orange)}.artl-h:hover{color:var(--orange)}
.agrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:14px}
.at{position:relative;display:block;padding:0;border:0;background:var(--k);border-radius:14px;overflow:hidden;aspect-ratio:1;cursor:pointer;text-align:left}
.at img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s,opacity .3s}
.at-t{position:absolute;left:0;right:0;bottom:0;padding:26px 12px 10px;background:linear-gradient(transparent,rgba(1,5,6,.88));color:#fff;font:700 13px/1.3 var(--head);opacity:0;transform:translateY(6px);transition:.25s}
.at:hover img{transform:scale(1.06)}.at:hover .at-t,.at:focus-visible .at-t{opacity:1;transform:none}
.at:focus-visible{outline:3px solid var(--amber);outline-offset:2px}
#ad{position:fixed;inset:0;z-index:60;background:rgba(1,5,6,.9);display:flex;align-items:center;justify-content:center;padding:24px}#ad[hidden]{display:none}
.ad-box{position:relative;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,1fr);width:min(1180px,100%);max-height:calc(100vh - 48px);background:var(--paper);border-radius:22px;overflow:hidden}
.ad-img{background:var(--k);display:flex;align-items:center;justify-content:center;min-height:420px}.ad-img img{max-width:100%;max-height:calc(100vh - 48px);object-fit:contain;display:block}
.ad-tx{padding:34px 34px 24px;overflow:auto;display:flex;flex-direction:column}
.ad-k{font:700 11px var(--head);letter-spacing:.12em;text-transform:uppercase;color:var(--orange);margin:0 0 6px}
.ad-t{font:800 28px/1.15 var(--head);margin:0 0 6px}.ad-m{font-size:14px;color:var(--ink2);margin:0 0 18px}
.ad-note{font-size:17px;line-height:1.7;margin:0 0 18px}
.ad-look{background:var(--amber);border-radius:14px;padding:12px 16px;margin-bottom:18px}.ad-look b{font:800 11px var(--head);letter-spacing:.12em;text-transform:uppercase}.ad-look p{margin:4px 0 0;font:600 16px/1.5 var(--head)}
.ad-nav{margin-top:auto;display:flex;gap:8px;align-items:center;justify-content:space-between;padding-top:10px;border-top:1px solid var(--line)}
.ad-nav button,.ad-go{font:700 13px var(--head);border:2px solid var(--k);background:#fff;border-radius:99px;padding:7px 14px;cursor:pointer;color:var(--k);text-decoration:none}
.ad-go{background:var(--k);color:var(--amber)}.ad-nav button:hover{background:var(--amber)}
.ad-x{position:absolute;top:12px;right:12px;z-index:2;width:40px;height:40px;border-radius:50%;border:0;background:var(--k);color:#fff;font-size:24px;cursor:pointer;line-height:1}
@media(max-width:860px){.ad-box{grid-template-columns:1fr;overflow:auto}.ad-img{min-height:0;max-height:50vh}.ad-img img{max-height:50vh}.ad-tx{overflow:visible}}
.playall{font:700 15px var(--head);border:2px solid var(--k);background:var(--amber);color:var(--k);border-radius:99px;padding:10px 20px;cursor:pointer;margin-top:6px}.playall:hover{background:var(--k);color:var(--amber)}
.ad-nav{justify-content:flex-start}.ad-go{margin-left:auto}
.ad-nav .ad-p,.ad-nav .ad-n{width:40px;height:40px;padding:0;font-size:20px;line-height:1}
.ad-play{min-width:98px}.ad-play.on{background:var(--k)!important;color:var(--amber)}
.ad-bar{height:4px;background:var(--line);border-radius:99px;margin-top:12px;overflow:hidden}.ad-bar i{display:block;height:100%;width:0;background:var(--orange)}
#ad:not(.playing) .ad-bar{visibility:hidden}
.ad-cnt{margin:8px 0 0;font:600 12px var(--head);color:var(--mute);text-align:right}
.ad-img img{transition:opacity .35s}
/* viewer nav v2 */
.ad-go{display:inline-block;align-self:flex-start;font:700 15px/1.4 var(--head);color:var(--orange)!important;background:none!important;border:0!important;padding:0!important;margin:0 0 18px!important;text-decoration:none;border-bottom:2px solid var(--orange)!important;border-radius:0!important}
.ad-go:hover{color:var(--k)!important;border-color:var(--k)!important}
.ad-nav{display:grid!important;grid-template-columns:1fr auto 1fr;gap:12px;align-items:center;margin-top:auto;padding-top:16px}
.ad-nav .ad-p,.ad-nav .ad-n{width:auto!important;height:52px!important;padding:0 18px!important;font:700 16px var(--head)!important;border:2px solid var(--k);border-radius:14px;background:#fff;cursor:pointer}
.ad-nav .ad-n{background:var(--k)!important;color:var(--amber)!important}.ad-nav .ad-p:hover{background:var(--amber)}.ad-nav .ad-n:hover{background:var(--orange)!important;color:#fff!important}
.ad-cnt{margin:0!important;font:700 13px var(--head);color:var(--mute);text-align:center!important;min-width:56px}
.ad-img{position:relative}
.ad-ip,.ad-in{position:absolute;top:0;bottom:0;width:22%;border:0;background:transparent;color:#fff;font-size:44px;cursor:pointer;opacity:0;transition:opacity .2s}
.ad-ip{left:0;text-align:left;padding-left:18px;background:linear-gradient(90deg,rgba(1,5,6,.45),transparent)}.ad-in{right:0;text-align:right;padding-right:18px;background:linear-gradient(270deg,rgba(1,5,6,.45),transparent)}
.ad-img:hover .ad-ip,.ad-img:hover .ad-in{opacity:1}
@media(hover:none){.ad-ip,.ad-in{opacity:.9;background:none}}
.sched{display:block;font:600 12px var(--head);color:var(--mute);margin-top:2px}
.book-static{cursor:default}.book-static:hover{transform:none;box-shadow:none}.bk-note{margin-left:auto;font:700 12px var(--head);color:var(--mute);white-space:nowrap}