:root{--bg:#fff;--surface:#f5f5f5;--surface-hover:#eaeaea;--text:#161616;--muted:#777;--line:#e8e8e8;--accent:#f60;--accent-soft:#fff2e8;--chip-on:#191919;--chip-text:#fff;--green:#32745b;--shadow:0 8px 32px #0000000a;color-scheme:light}
:root[data-theme=dark]{--bg:#101010;--surface:#242424;--surface-hover:#333;--text:#f1f1f1;--muted:#a1a1a1;--line:#303030;--accent-soft:#352214;--chip-on:#f1f1f1;--chip-text:#111;--green:#9bc8af;--shadow:0 8px 32px #0003;color-scheme:dark}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,"PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{color:inherit;background:none;border:0;cursor:pointer}input,select{color:var(--text)}button:disabled{cursor:default;opacity:.5}button,a,input,select{ -webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:4px}svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}h1,h2,h3,p{margin:0}button,a{touch-action:manipulation}.skip{position:fixed;left:20px;top:-60px;z-index:99;background:var(--text);color:var(--bg);padding:10px 20px;border-radius:8px}.skip:focus{top:12px}
.topbar{position:fixed;inset:0 0 auto;height:68px;background:var(--bg);display:flex;align-items:center;justify-content:space-between;gap:30px;padding:0 24px 0 18px;z-index:30}.brand-group{display:flex;align-items:center;gap:16px;min-width:213px}.brand{display:flex;align-items:center;font-size:22px;font-weight:760;letter-spacing:-1px;white-space:nowrap}.brand span{color:var(--accent)}.brand sup{font:700 10px/1.4 ui-monospace,SFMono-Regular,monospace;letter-spacing:.5px;padding:2px 5px;margin:0 0 12px 6px;border:1px solid var(--line);border-radius:4px;color:var(--muted)}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;flex-shrink:0}.icon-button:hover{background:var(--surface)}.icon-button svg{width:21px;height:21px}.search{display:flex;flex:0 1 620px;height:40px}.search input{width:100%;min-width:0;border:1px solid var(--line);border-radius:24px 0 0 24px;padding:0 19px;background:var(--bg);outline:none;font-size:14px}.search input::placeholder{color:#999}.search input:focus{border-color:var(--muted)}.search button{display:grid;place-items:center;width:60px;flex-shrink:0;background:var(--surface);border:1px solid var(--line);border-left:0;border-radius:0 24px 24px 0}.search button:hover{background:var(--surface-hover)}.header-actions{display:flex;gap:8px;min-width:86px;justify-content:flex-end}
.sidebar{position:fixed;left:0;top:68px;bottom:0;width:232px;padding:17px 14px;z-index:25;overflow-y:auto;background:var(--bg);display:flex;flex-direction:column}.sidebar nav{display:grid;gap:3px}.nav-link{display:flex;align-items:center;gap:20px;min-height:44px;border-radius:9px;padding:0 16px;font-size:13px;white-space:nowrap}.nav-link:hover{background:var(--surface)}.nav-link.active{background:var(--surface);font-weight:650}.nav-link.active svg{stroke-width:2.2}.nav-link em{font:11px ui-monospace,monospace;color:var(--muted);margin-left:auto;font-style:normal}.nav-divider{border:0;border-top:1px solid var(--line);margin:19px 12px}.nav-label{font-size:10px;color:var(--muted);letter-spacing:1.2px;margin:0 16px 8px}.side-note{margin-top:auto;padding:40px 16px 8px;color:var(--muted);font-size:11px;line-height:1.9}.side-note a:hover{color:var(--accent)}.side-note .dot{width:5px;height:5px;border-radius:50%;background:var(--green);display:inline-block;margin-right:6px}.side-note b{font-weight:500}.scrim{display:none}.collapsed .sidebar{width:80px;padding:17px 8px}.collapsed .nav-link{padding:10px 0;min-height:68px;flex-direction:column;gap:6px;font-size:10px}.collapsed .nav-link em,.collapsed .nav-label,.collapsed .side-note{display:none}.collapsed .nav-divider{margin:12px 5px}
main{margin-left:232px;padding:92px 32px 40px;min-height:100vh}.collapsed main{margin-left:80px}.page-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:25px}.eyebrow{font:10px/1.5 ui-monospace,SFMono-Regular,monospace;color:var(--muted);letter-spacing:1.9px;margin-bottom:7px}.page-heading h1{font-size:25px;font-weight:700;letter-spacing:-.7px;line-height:1.5}.page-heading p{font-size:12px;color:var(--muted);margin-top:6px}.snapshot{font-size:11px;color:var(--muted);display:flex;gap:7px;align-items:center;white-space:nowrap;padding-bottom:4px}.snapshot span{width:5px;height:5px;background:var(--green);border-radius:50%}.topics{display:flex;align-items:center;gap:8px;overflow-x:auto;padding:2px 2px 15px;scrollbar-width:none;border-bottom:1px solid var(--line)}.topics::-webkit-scrollbar{display:none}.chip{display:inline-flex;align-items:center;justify-content:center;white-space:nowrap;flex-shrink:0;min-height:33px;padding:5px 13px;border-radius:7px;background:var(--surface);font-size:12px;font-weight:500;gap:6px}.chip:hover{background:var(--surface-hover)}.chip.active{background:var(--chip-on);color:var(--chip-text)}.chip small{font:10px ui-monospace,monospace;opacity:.6}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:65px}.result-count{font-size:12px;color:var(--muted)}.result-count b{color:var(--text);font-weight:550}.toolbar-actions{display:flex;align-items:center;gap:12px}.toolbar select{border:0;background:var(--bg);font-size:12px;max-width:150px;padding:6px 22px 6px 8px;cursor:pointer;outline-offset:0}.filter-button{display:flex;align-items:center;gap:7px;font-size:12px;padding:6px 10px;border-radius:7px}.filter-button svg{width:16px;height:16px}.filter-button:hover,.filter-button.active{background:var(--surface)}.filter-badge{width:5px;height:5px;border-radius:50%;background:var(--accent)}.filters{border:1px solid var(--line);border-radius:10px;padding:18px;display:flex;align-items:end;gap:20px;flex-wrap:wrap;margin:0 0 22px;background:var(--surface)}.filters[hidden]{display:none}.filter-field{display:grid;gap:7px;color:var(--muted);font-size:11px}.filter-field select{background:var(--bg);border:1px solid var(--line);border-radius:6px;min-width:140px;padding:7px 10px;font-size:12px}.check-field{display:flex;align-items:center;gap:7px;font-size:12px;min-height:34px}.check-field input{accent-color:var(--accent)}.text-button{font-size:12px;padding:8px 0;color:var(--muted)}.text-button:hover{color:var(--accent)}
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(265px,1fr));gap:32px 20px}.video-card{min-width:0;position:relative}.video-link{display:block}.thumbnail{position:relative;aspect-ratio:16/9;background:var(--surface);border-radius:10px;overflow:hidden}.thumbnail img{width:100%;height:100%;display:block;object-fit:cover;transition:transform .22s ease}.video-link:hover .thumbnail img{transform:scale(1.025)}.duration{position:absolute;right:7px;bottom:7px;background:#000c;color:#fff;font:600 11px/1.6 ui-monospace,monospace;padding:0 5px;border-radius:3px}.seen-mark{position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--accent)}.later-button{position:absolute;top:7px;right:7px;width:29px;height:29px;border-radius:5px;background:#000c;color:#fff;display:grid;place-items:center;opacity:0;transition:opacity .15s;z-index:1}.later-button svg{width:17px;height:17px}.video-card:hover .later-button,.later-button:focus-visible,.later-button.saved{opacity:1}.later-button.saved{background:var(--accent)}.video-info{padding:12px 1px 0}.video-title{font-size:14px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;letter-spacing:-.1px}.video-channel{font-size:12px;color:var(--muted);margin-top:5px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.video-meta{display:flex;justify-content:space-between;align-items:center;gap:7px;margin-top:7px;font-size:10px;color:var(--muted)}.hn-count{display:inline-flex;gap:5px;align-items:center;color:var(--muted)}.hn-count i{display:grid;place-items:center;width:13px;height:13px;background:var(--accent-soft);color:var(--accent);font:700 8px ui-monospace,monospace;font-style:normal;border-radius:2px}.card-topic{font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:115px}.load-more{display:flex;justify-content:center;margin:34px 0}.pill{display:inline-flex;justify-content:center;align-items:center;gap:7px;border-radius:20px;min-height:36px;padding:7px 15px;background:var(--surface);font-size:12px}.pill svg{width:17px;height:17px}.pill:hover{background:var(--surface-hover)}.pill.active{background:var(--accent-soft);color:var(--accent)}.pill.primary{color:#fff;background:var(--accent)}.pill.primary:hover{background:#e85d00}.footnote{margin:35px 0 0;padding-top:19px;border-top:1px solid var(--line);font-size:11px;color:var(--muted);display:flex;justify-content:space-between;gap:15px}.footnote a:hover{color:var(--accent)}.empty{display:grid;justify-items:center;padding:80px 20px;text-align:center;gap:12px}.empty-icon{background:var(--surface);width:64px;height:64px;border-radius:50%;display:grid;place-items:center;color:var(--muted);margin-bottom:6px}.empty h2{font-size:18px;font-weight:600}.empty p{font-size:13px;color:var(--muted);max-width:440px}.loading{display:flex;align-items:center;gap:12px;color:var(--muted);padding:80px 20px;justify-content:center}.loading span{width:16px;height:16px;border:2px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.watch-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:27px;padding-top:3px}.player{aspect-ratio:16/9;background:#080808;border-radius:11px;overflow:hidden;position:relative}.player iframe{width:100%;height:100%;border:0;display:block}.poster{padding:0;width:100%;height:100%;display:block;position:relative}.poster img{width:100%;height:100%;object-fit:cover;opacity:.85}.play-circle{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--accent);border-radius:50%;width:66px;height:66px;display:grid;place-items:center;color:#fff;box-shadow:0 4px 28px #0005}.play-circle svg{width:30px;height:30px;fill:currentColor;stroke:none;margin-left:4px}.watch-title{font-size:21px;font-weight:650;line-height:1.5;margin:18px 0 12px;letter-spacing:-.3px}.watch-owner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.channel-name{font-size:13px;font-weight:650}.watch-owner .subtext{font-size:11px;color:var(--muted);margin-top:3px}.watch-actions{display:flex;gap:8px;flex-wrap:wrap}.description{background:var(--surface);border-radius:10px;padding:18px 20px;margin-top:19px;font-size:12px;line-height:1.9}.description .desc-meta{font-size:11px;font-weight:600;margin-bottom:8px}.description .selection{color:var(--accent);font-size:11px;margin-bottom:12px}.description p+p{margin-top:10px}.why{padding-top:12px;border-top:1px solid var(--line);margin-top:16px}.why-label{font-size:11px;font-weight:650;display:flex;align-items:center;gap:6px;margin-bottom:5px}.why-label svg{width:14px;height:14px;color:var(--accent)}.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:15px}.tag{display:inline-block;background:var(--bg);border-radius:5px;padding:2px 7px;font-size:10px;color:var(--muted)}.tag:hover{color:var(--accent)}.comments{margin-top:30px}.section-label{font-size:15px;font-weight:650;margin-bottom:6px}.section-note{font-size:11px;color:var(--muted);margin-bottom:20px}.comment{padding:19px 0;border-top:1px solid var(--line)}.comment-header{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:10px;color:var(--muted);margin-bottom:9px}.comment-header b{color:var(--text);font-size:11px}.comment-text{font-size:12px;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere}.comment-footer{margin-top:11px;display:flex;gap:12px;font-size:10px;align-items:center;color:var(--muted)}.comment-footer a:hover{color:var(--accent)}.stance{padding:2px 6px;background:var(--surface);border-radius:4px}.stance.rec,.stance.strong_rec{background:var(--accent-soft);color:var(--accent)}.related h2{font-size:14px;font-weight:650;padding:0 0 13px}.related-list{display:grid;gap:17px}.related-card{display:flex;gap:10px;min-width:0}.related-card .thumbnail{width:133px;flex-shrink:0;border-radius:6px;align-self:start}.related-card h3{font-size:12px;font-weight:550;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.related-card p{font-size:10px;color:var(--muted);margin-top:4px}.related-card .duration{font-size:9px;right:4px;bottom:4px}.breadcrumb{display:inline-flex;align-items:center;gap:5px;color:var(--muted);font-size:11px;margin-bottom:18px}.breadcrumb svg{width:14px;height:14px}.breadcrumb:hover{color:var(--accent)}
.topic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}.topic-card{padding:24px;background:var(--surface);border:1px solid transparent;border-radius:11px;transition:border .15s}.topic-card:hover{border-color:var(--accent)}.topic-number{font:12px ui-monospace,monospace;color:var(--accent);margin-bottom:23px;display:flex;justify-content:space-between}.topic-number svg{width:17px;height:17px}.topic-card h2{font-size:17px;font-weight:650}.topic-card p{font-size:12px;line-height:1.8;color:var(--muted);margin:8px 0 18px}.topic-card small{font-size:11px;color:var(--muted)}.playlist-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(275px,1fr));gap:28px 20px}.mosaic{position:relative;aspect-ratio:16/9;display:grid;grid-template-columns:1fr 1fr;gap:2px;overflow:hidden;border-radius:11px;background:var(--surface)}.mosaic img{width:100%;height:100%;object-fit:cover}.mosaic span{position:absolute;bottom:8px;right:8px;font-size:10px;border-radius:4px;background:#000c;color:white;padding:3px 7px}.playlist-card h2{font-size:15px;margin-top:12px;font-weight:650}.playlist-card p{font-size:12px;color:var(--muted);margin-top:5px}.reading-width{max-width:820px}.prose{font-size:13px;line-height:1.95}.prose h2{font-size:17px;margin:30px 0 10px;font-weight:650}.prose p{margin-bottom:14px;color:var(--muted)}.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:24px 0}.stat{background:var(--surface);padding:22px;border-radius:9px}.stat strong{display:block;font:500 29px/1.4 ui-monospace,monospace;letter-spacing:-1px}.stat span{font-size:11px;color:var(--muted)}.rule-list{padding-left:20px;color:var(--muted)}.rule-list li{margin:7px 0}.settings-list{border-top:1px solid var(--line);margin-top:25px}.setting{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:22px 0;border-bottom:1px solid var(--line)}.setting h2{font-size:13px;font-weight:600}.setting p{font-size:11px;color:var(--muted);margin-top:5px}.setting select{border:1px solid var(--line);background:var(--surface);border-radius:6px;padding:7px 10px;font-size:12px;min-width:110px}.toggle{width:36px;height:21px;appearance:none;position:relative;background:var(--surface-hover);border:0;border-radius:20px;cursor:pointer;flex-shrink:0;transition:background .15s}.toggle:after{content:"";position:absolute;width:15px;height:15px;left:3px;top:3px;background:#fff;border-radius:50%;box-shadow:0 1px 3px #0002;transition:transform .15s}.toggle:checked{background:var(--accent)}.toggle:checked:after{transform:translateX(15px)}.settings-note{font-size:11px;color:var(--muted);margin-top:18px}.settings-buttons{display:flex;gap:9px;flex-wrap:wrap;margin-top:25px}#toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,10px);background:var(--chip-on);color:var(--chip-text);padding:10px 19px;border-radius:7px;box-shadow:var(--shadow);z-index:100;font-size:12px;opacity:0;pointer-events:none;transition:opacity .16s,transform .16s}#toast.show{opacity:1;transform:translate(-50%,0)}
@media(min-width:1600px){.video-grid{grid-template-columns:repeat(4,minmax(0,1fr))}main{padding-left:40px;padding-right:40px}}@media(max-width:1150px){.watch-layout{grid-template-columns:minmax(0,1fr)}.related-list{grid-template-columns:1fr 1fr}.related{margin-top:12px}.watch-actions{gap:6px}.snapshot{display:none}.video-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.brand-group{min-width:185px}.topbar{gap:20px}.page-heading h1{font-size:23px}}@media(max-width:900px){.sidebar{width:80px;padding:17px 8px}.nav-link{padding:10px 0;min-height:68px;flex-direction:column;gap:6px;font-size:10px}.nav-link em,.nav-label,.side-note{display:none}.nav-divider{margin:12px 5px}main{margin-left:80px;padding:91px 24px 30px}.brand-group{min-width:190px}.search{flex:1}.topbar{gap:15px}.about-link{display:none}.header-actions{min-width:auto}.collapsed .sidebar{display:none}.collapsed main{margin-left:0}}
@media(max-width:620px){.topbar{height:112px;padding:0 14px;align-items:flex-start;gap:8px;flex-wrap:wrap}.brand-group{height:55px;gap:8px;min-width:0}.brand{font-size:21px}.header-actions{height:55px;align-items:center;margin-left:auto}.search{position:absolute;left:18px;right:18px;top:61px;height:36px;flex:none}.search input{font-size:12px;padding-left:14px}.search button{width:48px}.sidebar,.collapsed .sidebar{top:112px;width:218px;display:none;padding:13px}.sidebar nav{gap:2px}.nav-link,.collapsed .nav-link{flex-direction:row;gap:20px;font-size:13px;min-height:43px;justify-content:initial;padding:0 14px}.nav-link em{display:block}.nav-divider{margin:15px 10px}.nav-label{display:block}.side-note{display:block}.mobile-open .sidebar{display:flex;z-index:40}.mobile-open .scrim{display:block;position:fixed;inset:112px 0 0;background:#0005;z-index:35;width:100%}main,.collapsed main{margin-left:0;padding:133px 18px 25px}.page-heading{margin-bottom:21px}.page-heading h1{font-size:22px}.page-heading p{font-size:11px;line-height:1.8}.eyebrow{font-size:9px;letter-spacing:1.5px}.topics{gap:7px;margin-right:-18px;padding-right:18px}.chip{font-size:11px;min-height:31px;padding:5px 11px}.toolbar{min-height:62px;gap:8px}.toolbar-actions{gap:5px}.toolbar select{max-width:125px;font-size:11px}.filter-button{font-size:11px;padding-right:0}.result-count{font-size:11px}.video-grid{grid-template-columns:1fr;gap:25px}.video-title{font-size:15px}.video-info{padding-top:10px}.video-channel{margin-top:3px}.video-meta{margin-top:5px;font-size:11px}.card-topic{font-size:10px;max-width:145px}.thumbnail{border-radius:9px}.later-button{opacity:1}.footnote{display:block;font-size:10px;margin-top:28px}.footnote a{display:inline-block;margin-top:7px}.filters{gap:14px;padding:14px}.filter-field{flex:1;min-width:120px}.filter-field select{min-width:100%;width:100%}.watch-layout{gap:20px}.watch-title{font-size:18px}.watch-owner{gap:14px}.watch-actions{width:100%}.watch-actions .pill{font-size:11px;padding:7px 12px}.description{padding:15px;font-size:12px}.related-list{grid-template-columns:1fr}.related-card .thumbnail{width:145px}.related-card h3{font-size:13px}.stat-grid{gap:8px}.stat{padding:14px 10px}.stat strong{font-size:23px}.stat span{font-size:10px}.setting{gap:15px}.setting p{max-width:230px;line-height:1.8}.topic-grid{gap:12px}.topic-card{padding:20px}.prose{font-size:12px}.breadcrumb{margin-bottom:12px}.setting select{min-width:90px;max-width:120px}.page-heading>.pill{font-size:11px;padding:6px 11px;flex-shrink:0}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

.curated-source{color:var(--green)}.curated-source i{background:var(--surface);color:var(--green)}