.page-hero{text-align:center;padding-top:80px;padding-bottom:64px;position:relative;overflow:hidden}.page-hero__bg{background:radial-gradient(ellipse 50% 40% at 50% 0%, color-mix(in oklab, var(--primary) 14%, transparent), transparent 60%);position:absolute;inset:0}.page-hero>*{position:relative}.page-hero .h1{max-width:800px;margin:20px auto 24px}.anchor-bar{z-index:20;background:color-mix(in oklab, var(--bg) 92%, transparent);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-faint);position:sticky;top:64px}.anchor-bar__inner{gap:4px;padding:12px 0;display:flex;overflow-x:auto}.anchor-bar a{white-space:nowrap;border-radius:var(--r-md);font-family:var(--ff-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--fg-muted);padding:8px 14px;font-size:11px;transition:all .15s}.anchor-bar a:hover{color:var(--fg);background:var(--bg-elevated)}.f-block{border-bottom:1px solid var(--border-faint);grid-template-columns:1fr 1fr;align-items:center;gap:56px;padding:80px 0;display:grid}.f-block:nth-child(2n) .f-block__copy{order:2}.f-block:last-child{border-bottom:0}@media (max-width:800px){.f-block{grid-template-columns:1fr;gap:32px;padding:56px 0}.f-block:nth-child(2n) .f-block__copy{order:0}}.f-block h2{letter-spacing:-.025em;margin:16px 0;font-size:clamp(28px,3.6vw,38px);font-weight:700;line-height:1.1}.f-block .body{max-width:480px;font-size:15.5px}.f-block ul{flex-direction:column;gap:10px;margin:24px 0 0;padding:0;list-style:none;display:flex}.f-block ul li{color:var(--fg-2);gap:12px;font-size:14px;display:flex}.f-block ul li:before{content:"";background:var(--primary);border-radius:50%;flex-shrink:0;width:4px;height:4px;margin-top:9px}.f-visual{background:var(--bg-card);border:1px solid var(--border-faint);border-radius:var(--r-xl);min-height:380px;padding:32px}.prog{background:var(--bg-elevated);border-radius:2px;height:4px;overflow:hidden}.prog>div{background:var(--primary);height:100%}.hint-tier{border-bottom:1px dashed var(--border-faint);align-items:flex-start;gap:14px;padding:14px 0;display:flex}.hint-tier:last-child{border-bottom:0}.hint-tier__n{background:var(--bg-inset);border:1px solid var(--border-faint);width:28px;height:28px;color:var(--fg-muted);font-family:var(--ff-mono);border-radius:8px;flex-shrink:0;place-items:center;font-size:12px;font-weight:600;display:grid}.hint-tier--active .hint-tier__n{background:var(--primary-dim);color:#fff;border-color:var(--primary)}.hint-tier__l{font-family:var(--ff-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--fg-dim);font-size:10.5px}.hint-tier__t{color:var(--fg);margin-top:4px;font-size:14px}.rag-step{align-items:center;gap:14px;padding:12px 0;display:flex}.rag-step__ico{background:var(--bg-inset);border:1px solid var(--border-faint);width:32px;height:32px;color:var(--fg-2);border-radius:8px;flex-shrink:0;place-items:center;display:grid}.rag-step+.rag-step .rag-step__ico{position:relative}.rag-step+.rag-step .rag-step__ico:before{content:"";background:var(--border);width:1px;height:12px;position:absolute;bottom:100%;left:50%;transform:translate(-50%)}.overview-grid{background:var(--border-faint);border:1px solid var(--border-faint);border-radius:var(--r-lg);grid-template-columns:repeat(4,1fr);gap:1px;display:grid;overflow:hidden}@media (max-width:900px){.overview-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:520px){.overview-grid{grid-template-columns:1fr}}.overview-card{background:var(--bg);padding:24px;transition:background .18s}.overview-card:hover{background:var(--bg-elevated)}.overview-card__ico{background:color-mix(in oklab, var(--primary) 18%, var(--bg-elevated));width:36px;height:36px;color:var(--primary);border-radius:10px;place-items:center;margin-bottom:14px;display:grid}.overview-card h4{letter-spacing:-.01em;margin:0 0 6px;font-size:15px;font-weight:600}.overview-card p{color:var(--fg-muted);margin:0;font-size:13px;line-height:1.5}.overview-card a{color:var(--primary);margin-top:10px;font-size:12px;display:inline-block}.exam-pill-grid{grid-template-columns:repeat(4,1fr);gap:8px;margin-top:20px;display:grid}@media (max-width:700px){.exam-pill-grid{grid-template-columns:repeat(2,1fr)}}.exam-pill{background:var(--bg-inset);border:1px solid var(--border-faint);border-radius:var(--r-md);color:var(--fg-2);padding:10px 12px;font-size:12.5px;font-weight:500}.exam-pill .sub{font-family:var(--ff-mono);color:var(--fg-dim);text-transform:uppercase;letter-spacing:.05em;margin-top:3px;font-size:10px;display:block}.age-grid{background:var(--border-faint);border:1px solid var(--border-faint);border-radius:var(--r-lg);grid-template-columns:repeat(4,1fr);gap:1px;margin-top:24px;display:grid;overflow:hidden}@media (max-width:700px){.age-grid{grid-template-columns:repeat(2,1fr)}}.age-cell{background:var(--bg);padding:24px}.age-cell .band{font-family:var(--ff-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--primary);font-size:11px}.age-cell h4{letter-spacing:-.015em;margin:6px 0 8px;font-size:18px;font-weight:600}.age-cell p{color:var(--fg-muted);margin:0;font-size:13px;line-height:1.5}@media (max-width:700px){.page-hero{padding-top:40px;padding-bottom:40px}}