:root{color-scheme:light;--bg:#f5f4ef;--ink:#183c35;--muted:#596960;--paper:#fffefb;--line:#dce1d8;--accent:#c5ef83;--soft:#eaf0e5;--warn:#735000;--hero:#133c35;--hero-text:#f9f9ee}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:82px}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.65}main{max-width:860px;margin:auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:20px 50px}.hero{background:var(--hero);color:var(--hero-text);border-radius:22px;padding:32px;position:relative}.eyebrow{font-size:12px;letter-spacing:.09em;font-weight:750;margin:0 0 12px}.edition{display:inline-block;color:var(--accent);border:1px solid currentColor;border-radius:5px;padding:2px 8px;font-size:12px}h1{font-size:clamp(38px,8vw,64px);line-height:1.17;letter-spacing:-.04em;margin:24px 0 20px}h2{font-size:25px;line-height:1.3;margin:0}h3{font-size:18px;line-height:1.55;margin:0 0 9px;font-weight:750;overflow-wrap:anywhere}.lead{font-size:14px;opacity:.86}.meta{font-size:14px;line-height:1.9;margin-top:26px}.meta strong{color:var(--accent);font-weight:600}nav{display:flex;gap:6px;position:sticky;top:0;z-index:2;background:var(--bg);padding:12px 0;isolation:isolate}nav a{flex:1;text-align:center;font-size:13px;line-height:1.4;padding:12px 4px;border:1px solid var(--line);background:var(--paper);border-radius:10px;font-weight:700;text-decoration:none;white-space:nowrap;color:var(--ink)}nav a:hover,nav a:focus-visible{background:var(--accent);outline:2px solid var(--ink)}.intro{padding:18px 4px 22px;color:var(--muted);font-size:14px}.intro strong{color:var(--ink)}.intro p{margin:6px 0 12px}summary{cursor:pointer;font-size:13px;min-height:36px;padding-block:7px;color:var(--muted)}details p{font-size:14px;overflow-wrap:anywhere}a{color:var(--ink);text-underline-offset:3px}section{margin-bottom:40px;scroll-margin-top:0}.section-head{display:flex;justify-content:space-between;gap:12px;align-items:end;padding:24px 4px 18px;border-top:2px solid var(--ink)}.section-head>div{min-width:0}.section-head p:last-child{font-size:12px;text-align:right;color:var(--muted);margin:0;flex-shrink:0}.section-head .eyebrow{color:var(--muted)}.session{display:grid;grid-template-columns:74px minmax(0,1fr);gap:14px;border:1px solid var(--line);background:var(--paper);border-radius:12px;padding:18px 16px;margin:9px 0}.time{font-size:17px;font-weight:750;font-variant-numeric:tabular-nums;letter-spacing:-.025em;line-height:1.5}.time span{display:block;font-size:12px;font-weight:500;color:var(--muted)}.content{min-width:0}.speaker{font-size:14px;margin:10px 0 12px;font-weight:650;overflow-wrap:anywhere}.speaker>span{display:block;font-size:12px;font-weight:400;color:var(--muted)}.speaker small{display:block;font-size:12px;font-weight:400;color:var(--muted)}.moderator{font-size:13px;border-top:1px dashed var(--line);padding-top:10px}.tag{font-size:11px;font-weight:700;color:var(--muted);margin:0 0 7px}.note{background:var(--soft);color:var(--warn);padding:4px 8px;border-radius:4px;font-size:12px}.language{font-size:11px;color:var(--muted);display:block;margin-top:1px}.utility{background:transparent;border-color:transparent;padding-block:10px;margin-block:2px}.utility h3{font-size:14px;color:var(--muted);font-weight:500;margin:0}.utility .time{font-size:14px}.parallel{font-size:13px;background:var(--soft);padding:12px;border-radius:8px}footer{padding:24px 4px;border-top:2px solid var(--ink);color:var(--muted);font-size:13px}footer h2{font-size:18px;color:var(--ink)}@media(max-width:400px){.hero{padding:25px 23px}.session{grid-template-columns:62px minmax(0,1fr);gap:9px;padding:16px 12px}h3{font-size:17px}.section-head h2{font-size:23px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}@media(prefers-color-scheme:dark){:root{color-scheme:dark;--bg:#13231f;--ink:#e3eee4;--muted:#afc1b4;--paper:#1c2e27;--line:#354c40;--soft:#2d3e2b;--warn:#edd795;--hero:#204b3d;--hero-text:#f9f9ee}nav a:hover,nav a:focus-visible{color:#183c35}}