.content-cluster{margin-block:38px;border:1px solid var(--line);border-top:3px solid var(--primary);border-radius:var(--radius-lg);background:var(--surface);overflow:hidden}.content-cluster>header{padding:24px 26px 21px;display:grid;grid-template-columns:46px minmax(0,1fr);gap:15px;align-items:start;background:linear-gradient(115deg,color-mix(in srgb,var(--primary) 7%,var(--surface)),var(--surface) 62%)}.content-cluster .cluster-mark{width:44px;aspect-ratio:1;display:grid;place-items:center;border:1px solid color-mix(in srgb,var(--primary) 22%,var(--line));border-radius:13px;color:var(--primary);background:var(--surface)}.content-cluster .cluster-mark svg{width:21px}.content-cluster h2{margin:4px 0 7px;font-size:clamp(1.3rem,2.2vw,1.85rem);line-height:1.18;letter-spacing:-.03em}.content-cluster header p:last-child{max-width:690px;margin:0;color:var(--muted);font-size:.82rem;line-height:1.65}.content-cluster nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line)}.cluster-link{min-width:0;min-height:88px;padding:15px 18px;display:grid;grid-template-columns:28px minmax(0,1fr) auto;gap:11px;align-items:center;border-bottom:1px solid var(--line);color:var(--ink);transition:background-color .2s ease,color .2s ease}.cluster-link:nth-child(odd){border-inline-end:1px solid var(--line)}.cluster-link:nth-last-child(-n+2){border-bottom:0}.cluster-link>svg:first-child{width:19px;color:var(--primary)}.cluster-link>svg:last-child{width:15px;color:var(--muted);transition:transform .2s ease}.cluster-link>span{min-width:0;display:grid;gap:4px}.cluster-link strong{font-size:.76rem;line-height:1.4}.cluster-link small{color:var(--muted);font-size:.66rem;line-height:1.55}.cluster-link:hover{background:var(--surface-soft);color:var(--primary)}.cluster-link:hover>svg:last-child{transform:translate(2px,-2px)}[dir=rtl] .cluster-link:hover>svg:last-child{transform:translate(-2px,-2px)}.cluster-link:focus-visible{outline:3px solid color-mix(in srgb,var(--primary) 35%,transparent);outline-offset:-3px}.cluster-link.is-current{background:color-mix(in srgb,var(--efficiency) 7%,var(--surface))}.cluster-link.is-current>b{padding:4px 7px;border-radius:999px;background:color-mix(in srgb,var(--efficiency) 13%,var(--surface));color:var(--efficiency);font-size:.58rem;white-space:nowrap}.cpu-practical-guide .content-cluster{margin-block:26px}@media(max-width:620px){.content-cluster>header{padding:20px;grid-template-columns:38px minmax(0,1fr)}.content-cluster .cluster-mark{width:38px}.content-cluster nav{grid-template-columns:1fr}.cluster-link,.cluster-link:nth-child(odd),.cluster-link:nth-last-child(-n+2){border-inline-end:0;border-bottom:1px solid var(--line)}.cluster-link:last-child{border-bottom:0}}