:root{--ink:#121212;--paper:#f3f1ec;--white:#fffefa;--line:#c9c6bf;--muted:#686761;--mint:#b7ebcf;--peach:#f2b7b3;--yellow:#f1dda2;--orange:#ff6b2c;--radius:26px;--mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;--sans:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#222;color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}.page-frame{width:min(1720px,calc(100% - 40px));min-height:calc(100vh - 40px);margin:20px auto;background:var(--paper);border:2px solid var(--ink);border-radius:30px;overflow:hidden}.topbar{height:78px;padding:0 28px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;border-bottom:1px solid 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p{line-height:1.7;color:var(--muted)}.method-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--ink)}.method-list li{display:grid;grid-template-columns:100px 1fr;border-bottom:1px solid var(--ink);padding:24px 8px}.method-list span{font:14px var(--mono);color:var(--orange)}.method-list p{margin:0;font-size:20px}.action-box{background:var(--ink);color:white;padding:40px;border-radius:var(--radius)}.action-box h2{font-size:38px}.action-box li{padding:17px 0;border-bottom:1px solid #ffffff33;line-height:1.5}.transcript-note{color:var(--muted);line-height:1.7}.transcript-section details{border:1px solid var(--ink);margin-top:28px}.transcript-section summary{cursor:pointer;list-style:none;padding:20px 22px;background:var(--yellow);display:flex;justify-content:space-between;font-weight:700}.markdown-body{padding:26px 34px;max-width:820px}.markdown-body h4,.markdown-body h5{margin:40px 0 18px}.markdown-body p,.markdown-body li{font-size:16px;line-height:1.9}.markdown-body 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@media(max-width:720px){body{background:var(--paper)}.page-frame{width:100%;min-height:100vh;margin:0;border:0;border-radius:0}.topbar{height:68px;padding:0 16px;grid-template-columns:1fr auto}.topbar nav{display:none}.date-pill{font-size:11px;padding:9px 11px}.hero{min-height:590px;padding:45px 22px;background-size:33.33% 110px}.hero h1{font-size:72px;margin:78px 0 35px}.hero-copy,.primary-btn{margin-left:0}.hero-copy{font-size:16px}.live-panel{padding:24px}.big-stat strong{font-size:110px}.mini-stats{grid-template-columns:1fr}.mini-stats div{border-right:0;border-bottom:1px solid var(--line)}.speaker-section,.insights-section{padding:54px 16px}.section-head{display:block}.section-head h2{font-size:34px}.search{width:100%;margin-top:24px}.speaker-grid,.insight-grid{grid-template-columns:1fr}.speaker-card{min-height:310px}.speaker-card h3{font-size:42px}.section-index{display:none}.closing{padding:75px 22px;background-size:33.33% 90px}.closing h2{font-size:48px}footer{gap:20px;flex-direction:column}.speaker-hero{margin:0 12px;min-height:520px;padding:26px}.speaker-hero h1{font-size:84px}.speaker-hero h2{font-size:20px;max-width:90%}.detail-main{padding:60px 18px}.statement{font-size:34px}.metric-strip{grid-template-columns:1fr}.metric-strip div{border-right:0;border-bottom:1px solid var(--ink)}.metric-strip div:last-child{border-bottom:0}.detail-insights{grid-template-columns:1fr}.method-list li{grid-template-columns:54px 1fr}.method-list p{font-size:17px}.action-box{padding:28px 22px}.markdown-body{padding:20px 16px}.markdown-body p,.markdown-body li{font-size:15px}.content-title h2{font-size:31px}}