.series-guide{max-width:1040px;margin:0 auto;padding:36px 0 24px}.series-breadcrumb{color:var(--muted-foreground);gap:12px;margin-bottom:40px;font-size:12px;display:flex}.series-guide-header{border-bottom:1px solid var(--border);margin-bottom:36px;padding-bottom:36px}.series-guide-kicker{color:var(--muted-foreground);align-items:center;gap:14px;font-size:13px;display:flex}.series-guide h1{letter-spacing:-.055em;margin:18px 0;font-size:clamp(30px,4vw,52px);font-weight:800}.series-guide p{max-width:760px;color:var(--muted-foreground);font-size:15px;line-height:1.85}.series-guide-actions{flex-wrap:wrap;gap:12px;margin-top:26px;display:flex}.series-guide-actions a{border:1px solid var(--border);border-radius:4px;align-items:center;gap:28px;padding:12px 18px;font-size:14px;font-weight:650;display:flex}.series-guide-actions a:first-child{background:var(--foreground);color:var(--background)}.series-guide h2{letter-spacing:-.03em;margin:0 0 22px;font-size:20px;font-weight:750}.series-guide-topics{grid-template-columns:repeat(3,1fr);gap:28px;margin-bottom:44px;display:grid}.series-guide-number{color:var(--muted-foreground);font-size:12px;font-weight:700}.series-guide h3{margin:12px 0;font-size:16px;font-weight:700}.series-guide-topics p{font-size:14px}.series-guide-faq>div{border-top:1px solid var(--border);padding:14px 0 22px}.series-guide-source{border-top:1px solid var(--border);margin-top:20px;padding:26px 0}.series-guide-source a{text-underline-offset:5px;margin:12px 0;font-size:14px;text-decoration:underline;display:inline-block}.series-guide .series-guide-note{margin-top:12px;font-size:12px}.series-guide-other{border-top:1px solid var(--border);flex-wrap:wrap;gap:24px;padding:22px 0;font-size:14px;display:flex}.series-guide a:focus-visible{outline:2px solid var(--foreground);outline-offset:4px}@media (max-width:650px){.series-guide{padding:22px 0}.series-breadcrumb{margin-bottom:24px}.series-guide-topics{grid-template-columns:1fr;gap:20px}.series-guide-topics section{border-bottom:1px solid var(--border);padding-bottom:20px}.series-guide h1{font-size:32px}.series-guide-header{padding-bottom:26px}.series-guide-actions a{gap:14px;padding:11px 14px}}