.bc-nav{display:grid;grid-template-columns:repeat(4,1fr);border-block:1px solid var(--line);gap:20px;padding:20px 0}.bc-nav a{text-decoration:none}.bc-nav span{display:block;font-size:11px;letter-spacing:.08em;color:var(--muted)}.bc-nav strong{font-size:21px;font-weight:500}.bc-nav a:hover strong{color:#a45e22}.bc-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:8vw}.bc-stage{padding:52px 0;border-bottom:1px solid var(--line);scroll-margin-top:24px}.bc-stage h2{font-size:clamp(28px,3vw,42px);line-height:1.2;letter-spacing:-.04em;font-weight:500;margin:15px 0}.bc-stage>p{max-width:620px;color:var(--muted)}.bc-tools{border-left:3px solid var(--orange);padding:5px 0 5px 22px;margin-top:32px}.bc-tools p{font-size:14px}.bc-tools a{display:block;margin:12px 0}.bc-aside{position:sticky;top:25px;align-self:start;margin-top:45px}.bc-aside #bc-progress{font-size:13px;padding:18px 0;border-block:1px solid var(--line);margin-top:24px}.bc-stage:last-child{border:0}@media(max-width:850px){.bc-layout{grid-template-columns:1fr}.bc-aside{position:static;margin:0 0 32px}.bc-nav{gap:10px}.bc-nav strong{font-size:16px}.bc-nav span{font-size:10px}}