:root{--bg:#fff;--ink:#17212b;--muted:#657180;--line:#e6e9ec;--soft:#f4f6f8;--accent:#e95022;--blue:#2269a6;--rail:#18222c;--radius:10px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #2489d2;outline-offset:4px}button{border:0}header{height:78px;border-bottom:1px solid var(--line);background:white;position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:35px;padding:0 32px}.logo{display:flex;gap:10px;align-items:center;font-size:24px;font-weight:780;letter-spacing:-1px;white-space:nowrap}.logo small{font-size:11px;letter-spacing:0;color:#6c7681;font-weight:500;margin-left:-5px;align-self:flex-end;margin-bottom:5px}.mark{width:33px;height:29px;background:var(--accent);border-radius:8px;display:grid;place-items:center;color:white;font-size:15px;padding-left:2px}.search{max-width:580px;display:flex;flex:1;height:41px;border:1px solid #dbe0e5;border-radius:7px;overflow:hidden;margin:auto}.search input{min-width:0;flex:1;border:0;background:#f8f9fa;padding:0 16px;color:var(--ink)}.search button{background:#eef1f3;border-left:1px solid #dbe0e5;width:49px;font-size:22px}.top-link{font-size:13px;color:var(--muted)}.mobile-menu{display:none;background:var(--soft);font-size:22px;padding:3px 10px;border-radius:6px}.rail{position:fixed;top:78px;bottom:0;width:220px;background:var(--rail);color:#c7d0d9;z-index:25;padding:29px 17px;overflow:auto}.rail a{display:flex;align-items:center;gap:14px;font-size:14px;padding:11px 15px;border-radius:7px;margin-bottom:5px}.rail a:hover{background:#263540}.rail a.active{background:#33404c;color:#fff}.navicon{font-size:19px;width:20px;text-align:center}.rail hr{border:0;border-top:1px solid #36414c;margin:23px 8px}.rail p{font-size:12px;padding:0 15px;color:#8fa0af}.rail .topic-link{font-size:13px;padding:8px 15px}.rail-note{padding:24px 15px!important;font-size:12px!important;line-height:1.8}.rail-note a{display:inline;padding:0;font-size:12px;color:#c6d5e3}.main{margin-left:220px;padding:34px 38px 0;max-width:1820px}.intro{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;padding:0 0 25px}.intro h1{font-size:32px;line-height:1.2;letter-spacing:-1px;margin:0 0 10px;font-weight:750}.intro p{color:var(--muted);margin:0;max-width:690px;font-size:14px}.count{font-size:12px;white-space:nowrap;text-align:right;color:var(--muted);padding-bottom:3px}.count strong{display:block;font-size:23px;letter-spacing:-.5px;color:var(--ink)}.chips{display:flex;gap:9px;overflow:auto;padding:0 0 24px;scrollbar-width:none}.chip{background:var(--soft);padding:7px 15px;border:1px solid var(--line);border-radius:7px;white-space:nowrap;font-size:13px}.chip.active{background:var(--ink);color:white;border-color:var(--ink)}.featured{display:grid;grid-template-columns:1.1fr 1fr;gap:25px;background:#f0f4f7;border:1px solid #e2e8ed;border-radius:12px;padding:16px;margin-bottom:34px}.featured .thumb{margin:0;aspect-ratio:16/9;border-radius:7px}.featured-copy{display:flex;flex-direction:column;justify-content:center;padding:8px 22px 8px 0}.eyebrow{font-size:12px;color:#536d7e;margin:0 0 10px;display:flex;align-items:center;gap:8px}.eyebrow:before{content:'';height:7px;width:7px;border-radius:50%;background:var(--accent)}.featured h2{font-size:28px;line-height:1.2;letter-spacing:-.6px;margin:0 0 13px}.featured p{color:#5d6c79;font-size:14px;margin:0 0 14px}.featured .byline{font-size:12px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:7px;padding:10px 16px;background:var(--ink);color:white;font-size:13px;font-weight:600}.button.light{background:var(--soft);color:var(--ink);border:1px solid var(--line)}.featured .button{background:var(--accent);align-self:flex-start;margin-top:4px}.section-head{display:flex;align-items:center;justify-content:space-between;margin:26px 0 18px;gap:20px}.section-head h2{margin:0;font-size:20px;letter-spacing:-.4px}.section-head p{font-size:12px;color:var(--muted);margin:3px 0 0}.section-head a{font-size:12px;color:var(--blue)}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px 20px}.card{min-width:0;position:relative}.thumb{display:block;background:#e7ebee;aspect-ratio:16/9;overflow:hidden;border-radius:9px;position:relative;margin-bottom:11px}.thumb img{display:block;width:100%;height:100%;object-fit:cover}.thumb:after{content:'▶';display:grid;place-items:center;background:#19222bbd;border-radius:50%;width:42px;height:42px;position:absolute;left:calc(50% - 21px);top:calc(50% - 21px);color:white;opacity:0;transition:opacity .15s}.thumb:hover:after{opacity:1}.type{position:absolute;bottom:8px;right:8px;background:#111c26e6;color:#fff;font-size:10px;border-radius:3px;padding:2px 6px}.card h3{font-size:15px;line-height:1.4;margin:0 30px 7px 0;font-weight:650;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card h3 a:hover{color:var(--blue)}.byline,.context{font-size:12px;line-height:1.55;color:var(--muted)}.context{color:#607d68;font-size:11px;margin-top:3px}.save{background:var(--soft);border:1px solid var(--line);color:#5d6d7c;position:absolute;right:0;bottom:35px;height:29px;width:29px;border-radius:50%;font-size:19px;line-height:1}.save[aria-pressed=true]{background:#e8f0e9;color:#386747;border-color:#b5cbb8}.explainer{margin-top:46px;border-top:1px solid var(--line);padding:28px 0;display:grid;grid-template-columns:1fr 1fr;gap:35px}.explainer h2{font-size:21px;line-height:1.3;margin:0 0 12px;letter-spacing:-.4px}.explainer h3{font-size:15px;margin:18px 0 7px}.explainer p,.prose p,.prose li{font-size:14px;color:#586777;line-height:1.8}.explainer a,.prose a,.credits a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}.faq{border-top:1px solid var(--line);padding:25px 0}.faq h2{font-size:20px}.faq details{border-bottom:1px solid var(--line);padding:14px 0}.faq summary{cursor:pointer;font-weight:600;font-size:14px}.faq details p{font-size:14px;color:var(--muted);max-width:780px}.footer{border-top:1px solid var(--line);padding:24px 0 30px;display:flex;gap:20px;justify-content:space-between;color:var(--muted);font-size:11px}.footer nav{display:flex;gap:17px}.breadcrumb{color:var(--muted);font-size:12px;margin-bottom:18px}.watch-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:30px}.player{aspect-ratio:16/9;background:#151b20;border-radius:10px;overflow:hidden;position:relative}.player img{width:100%;height:100%;object-fit:cover;opacity:.7}.player button{position:absolute;inset:0;color:white;background:transparent;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:12px;font-size:15px;text-shadow:0 1px 5px #000}.player button span{background:var(--accent);width:65px;height:48px;border-radius:12px;display:grid;place-items:center;font-size:22px;padding-left:3px}.player iframe{width:100%;height:100%;border:0}.watch-title{font-size:25px;line-height:1.3;letter-spacing:-.5px;margin:20px 0 12px}.watch-actions{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:22px}.watch-actions .save{position:static;border-radius:7px;width:auto;height:auto;font-size:13px;padding:9px 15px}.description{background:var(--soft);padding:22px;border-radius:10px;font-size:14px;margin-bottom:30px}.description h2{font-size:16px;margin:15px 0 8px}.description h2:first-child{margin-top:0}.description p{color:#576674;margin:5px 0 12px}.tags{display:flex;flex-wrap:wrap;gap:8px}.tags a{color:var(--blue);font-size:12px}.comment{border-top:1px solid var(--line);padding:18px 0}.comment-head{color:var(--muted);font-size:12px}.comment p{white-space:pre-line;overflow-wrap:anywhere;font-size:14px;line-height:1.75}.comment a{font-size:12px;color:var(--blue)}.recommend .grid{grid-template-columns:1fr;gap:25px}.recommend h2{font-size:17px;margin:0 0 18px}.recommend .card h3{font-size:13px}.prose{max-width:860px;padding-bottom:40px}.prose h1{font-size:34px;letter-spacing:-1px}.prose h2{margin-top:30px;font-size:22px}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.topic-card{border:1px solid var(--line);border-radius:8px;padding:18px}.topic-card:hover{background:var(--soft)}.topic-card strong{display:block;font-size:14px}.topic-card span{font-size:12px;color:var(--muted)}.empty{padding:60px 25px;text-align:center;background:var(--soft);border-radius:10px}.loadmore{display:block;margin:28px auto;background:var(--soft);border:1px solid var(--line);padding:11px 25px;border-radius:7px}.loading{padding:30px;color:var(--muted)}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;border-radius:8px;padding:12px 24px;z-index:60}.skip{position:absolute;top:-100px}.skip:focus{top:5px;background:white;z-index:100;padding:12px}body.dark{--bg:#141c23;--ink:#e3e9ef;--muted:#a1aebb;--line:#35414b;--soft:#212c35;--blue:#85bbe8}body.dark header{background:var(--bg)}body.dark .search input{background:var(--soft)}body.dark .featured{background:#25333e;border-color:#3e4d59}body.dark .featured p,body.dark .explainer p,body.dark .prose p,body.dark .description p{color:#aebbc7}body.dark .featured .button{color:white}body.dark .search button{background:#35414b}#theme{background:var(--soft);color:var(--ink);padding:7px 11px;border-radius:6px;font-size:18px}
@media(min-width:1600px){.grid{grid-template-columns:repeat(4,minmax(0,1fr))}}@media(max-width:1180px){.rail{width:190px}.main{margin-left:190px;padding:28px 25px 0}.featured h2{font-size:23px}.featured-copy{padding-right:3px}.featured p{font-size:13px}.grid{gap:24px 16px}.watch-layout{grid-template-columns:1fr}.recommend .grid{grid-template-columns:repeat(3,1fr)}.top-link{display:none}.topic-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:850px){header{height:68px;padding:0 20px;gap:15px}.logo{font-size:22px}.rail{top:68px;transform:translateX(-100%);width:220px;transition:transform .15s}.rail.open{transform:translateX(0);box-shadow:8px 0 30px #0003}.main{margin-left:0}.mobile-menu{display:block}.search{max-width:none}.featured{gap:18px}.featured h2{font-size:23px}.count{display:none}}@media(max-width:600px){header{height:auto;min-height:65px;flex-wrap:wrap;padding:14px 17px 12px;gap:10px}.logo{font-size:22px;margin-right:auto}.logo small{display:none}.mark{width:29px;height:26px}.mobile-menu{font-size:20px;order:-1}.search{order:5;flex-basis:100%;height:37px;margin-top:2px}.search input{font-size:14px}.rail{top:115px}.main{padding:25px 18px 0}.intro h1{font-size:27px}.intro{padding-bottom:20px}.intro p{font-size:13px}.chips{padding-bottom:20px;gap:7px}.chip{font-size:12px;padding:6px 11px}.featured{display:block;padding:11px;border-radius:10px;margin-bottom:28px}.featured-copy{padding:17px 6px 7px}.featured h2{font-size:23px;margin-bottom:10px}.featured p{font-size:13px}.featured .button{margin-top:8px}.eyebrow{font-size:11px;margin-bottom:9px}.section-head{margin-top:25px}.section-head h2{font-size:19px}.section-head a{font-size:11px}.grid{grid-template-columns:1fr;gap:26px}.thumb{margin-bottom:10px}.card h3{font-size:16px}.byline{font-size:12px}.context{font-size:11px}.explainer{grid-template-columns:1fr;gap:15px;margin-top:32px}.footer{display:block;font-size:11px}.footer nav{margin-top:15px;flex-wrap:wrap}.watch-title{font-size:23px}.watch-actions{flex-wrap:wrap}.recommend .grid{grid-template-columns:1fr}.topic-grid{grid-template-columns:1fr}.description{padding:18px}.prose h1{font-size:29px}.section-head select{max-width:150px}.toast{min-width:250px;text-align:center;font-size:13px}.featured .thumb:after{opacity:1}}
[hidden]{display:none!important}
body.dark .context{color:#a1c2a8}body.dark .search button{color:var(--ink)}
.feature-details{font-size:12px;color:var(--blue);margin-top:11px}.featured .player{align-self:center}.featured .button:disabled{opacity:.8;cursor:default}.featured .player img{opacity:.9}.featured .player button{font-size:12px}
body.dark .chip.active{color:var(--bg)}body.dark .mobile-menu{color:var(--ink)}