:root{--ink:#181614;--ink-soft:#4a443d;--muted:#736b60;--line:#e7e2d9;--line-strong:#d5ccbe;--soft:#f5f2eb;--blue:#155eef;--blue-dark:#0d47bd;--blue-soft:#eaf0ff;--page:#fff;--canvas:#faf8f5;--max:1120px;--radius:16px;--radius-sm:10px;--radius-pill:999px;--shadow-sm:0 1px 3px #2921180a, 0 1px 2px #29211805;--shadow-md:0 10px 30px #2921180f, 0 4px 8px #29211808;--shadow-lg:0 24px 56px #2921181a;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;--font-display:"Inter", -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, 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h2{letter-spacing:-.01em;margin-bottom:4px;font-size:1.2rem;line-height:1.3}.follow-cta p{color:#aab3c2;font-size:var(--text-sm);margin:0}.follow-cta .button{flex-shrink:0}.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.empty-state{border:1px solid var(--line);border-radius:var(--radius);color:var(--muted);background:var(--soft);padding:36px}.site-footer{border-top:1px solid var(--line);min-height:150px;color:var(--muted);justify-content:space-between;align-items:center;gap:24px;display:flex}.site-footer p{margin:0}.site-footer-links,.site-footer-links nav,.site-footer-links div{flex-wrap:wrap;align-items:center;gap:22px;display:flex}.site-footer-links{justify-content:flex-end}@media (width<=820px){.hero,.about-band{grid-template-columns:1fr}.hero-aside{align-self:start}.card-grid,.content-grid,.split-panel,.media-kit-grid,.case-study-grid{grid-template-columns:1fr}.topic-list{grid-template-columns:1fr 1fr}}@media 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