:root{--bg: #000000;--bg-soft: #0A0A0A;--ink: #FFFFFF;--ink-dim: #A3A3A3;--rule: #262626;--rule-hover: #E30613;--accent: #E30613;--accent-hi: #FF1A1A;--hover-bg: #0F0F0F}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:-apple-system,Helvetica Neue,Helvetica,Arial,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--ink);line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.shell{max-width:1440px;margin:0 auto;padding:0 6%;display:grid;grid-template-columns:84px 1fr;gap:48px;align-items:start}.shell__body{min-width:0}.container{max-width:none;margin:0;padding:0}.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}.c3{grid-column:span 3}.c4{grid-column:span 4}.c6{grid-column:span 6}.c8{grid-column:span 8}.c9{grid-column:span 9}.c12{grid-column:span 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