.chat-guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.chat-guide-card{padding:28px;border:1px solid var(--border-strong);border-radius:24px;background:var(--surface);display:flex;flex-direction:column;gap:16px}.chat-guide-card h3{font-size:23px;line-height:1.3;margin:0}.chat-guide-card p{color:var(--secondary);line-height:1.7;margin:0}.chat-guide-card a{color:var(--cyan);font-weight:650;margin-top:auto}.chat-guide-card a:hover{text-decoration:underline}.chat-guides-section{scroll-margin-top:120px}.article-nav{display:flex;align-items:center;justify-content:space-between;gap:20px;max-width:1120px;margin:auto;padding:24px}.article-nav nav{display:flex;flex-wrap:wrap;gap:20px}.article-nav a:focus-visible,.chat-guide-card a:focus-visible,.chat-article a:focus-visible{outline:3px solid var(--cyan);outline-offset:5px}.article-main{max-width:800px;margin:auto;padding:48px 24px 80px}.article-main h1{font-size:clamp(34px,5vw,56px);line-height:1.12;letter-spacing:-.035em;margin:20px 0 24px}.article-main .article-intro{font-size:21px;line-height:1.7;color:var(--secondary)}.article-meta,.article-kicker{color:var(--cyan);font-size:14px}.chat-article h2{font-size:27px;line-height:1.3;margin:44px 0 16px}.chat-article p,.chat-article li{font-size:18px;line-height:1.85;color:#ced5e6}.chat-article li{margin:10px 0}.chat-article ul,.chat-article ol{padding-left:26px}.chat-article a{color:var(--cyan);text-decoration:underline;text-underline-offset:4px}.article-cta{margin-top:44px;padding:28px;border:1px solid var(--border-strong);border-radius:24px;background:var(--surface)}.article-cta h2{margin-top:0}.article-cta .button{text-decoration:none;color:#fff}.article-related{margin-top:44px;border-top:1px solid var(--border);padding-top:24px}.article-related a{display:block;margin:16px 0}.article-footer{border-top:1px solid var(--border);padding:28px 24px;text-align:center;color:var(--secondary)}.article-footer a{display:inline-block;margin:8px}.article-skip{position:absolute;left:16px;top:-100px;padding:12px;background:#172335;z-index:100}.article-skip:focus{top:8px}@media(max-width:800px){.chat-guide-grid{grid-template-columns:1fr}.article-nav{align-items:flex-start;flex-direction:column}.article-main{padding-top:24px}.article-nav .brand{font-size:23px}.article-nav nav{gap:16px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}.chat-guide-card .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}