.pcf-page{min-height:100vh;min-height:100svh;padding:clamp(18px,3vw,40px);display:grid;place-items:center;background:radial-gradient(circle at 16% 12%,color-mix(in srgb,var(--accent) 15%,transparent),transparent 34%),radial-gradient(circle at 86% 86%,color-mix(in srgb,var(--accent) 8%,transparent),transparent 30%),var(--bg-main);box-sizing:border-box}.pcf-shell{width:min(1240px,100%);height:min(860px,calc(100svh - clamp(36px,6vw,80px)));min-height:620px;display:grid;grid-template-columns:minmax(270px,350px) minmax(0,1fr);gap:clamp(18px,2.5vw,34px);align-items:stretch}.pcf-intro{min-width:0;align-self:center;padding:clamp(8px,2vw,24px)}.pcf-brand{display:flex;align-items:center;gap:14px;margin-bottom:26px}.pcf-mark{width:52px;height:52px;flex:0 0 52px;display:grid;place-items:center;border:1px solid color-mix(in srgb,var(--accent) 34%,var(--border-color));border-radius:15px;background:color-mix(in srgb,var(--accent) 14%,var(--bg-card));color:var(--accent);font-size:22px;font-weight:750;box-shadow:0 14px 36px -24px color-mix(in srgb,var(--accent) 60%,transparent)}.pcf-eyebrow{margin:0 0 5px;color:var(--accent);font-size:11px;font-weight:700;letter-spacing:.09em;text-transform:uppercase}.pcf-intro h1{margin:0;color:var(--text-primary);font-size:clamp(30px,4vw,44px);line-height:1;letter-spacing:-.045em}.pcf-lede{margin:0;color:var(--text-secondary);font-size:clamp(17px,1.75vw,20px);line-height:1.55}.pcf-topics{margin-top:24px;display:flex;flex-wrap:wrap;gap:8px}.pcf-topics span{padding:7px 10px;border:1px solid var(--border-color);border-radius:999px;background:color-mix(in srgb,var(--bg-card) 78%,transparent);color:var(--text-secondary);font-size:12px;line-height:1}.pcf-note{margin:26px 0 0;padding-top:20px;border-top:1px solid var(--border-color);color:var(--text-tertiary);font-size:13px;line-height:1.55}.pcf-chat-panel,.pcf-chat-host{min-width:0;min-height:0;height:100%}.pcf-chat-panel{position:relative}@media (max-width: 820px){.pcf-page{display:block;padding:12px}.pcf-shell{width:100%;height:auto;min-height:calc(100svh - 24px);display:flex;flex-direction:column;gap:12px}.pcf-intro{flex:0 0 auto;padding:4px 4px 0}.pcf-brand{margin-bottom:10px;gap:10px}.pcf-mark{width:40px;height:40px;flex-basis:40px;border-radius:12px;font-size:18px}.pcf-eyebrow{margin-bottom:3px;font-size:9px}.pcf-intro h1{font-size:28px}.pcf-lede{max-width:680px;font-size:14px;line-height:1.42}.pcf-topics,.pcf-note{display:none}.pcf-chat-panel{flex:1 1 auto;height:max(500px,calc(100svh - 150px))}}@media (max-width: 420px){.pcf-page{padding:8px}.pcf-shell{min-height:calc(100svh - 16px);gap:8px}.pcf-intro{padding-inline:2px}.pcf-lede{font-size:13px}.pcf-chat-panel{height:max(480px,calc(100svh - 138px))}}@media (max-width: 820px) and (max-height: 620px){.pcf-lede{display:none}.pcf-chat-panel{height:calc(100svh - 84px);min-height:430px}}