.site-header{margin-bottom:2rem;animation:.7s both rise}html[data-tool-booted] .site-header{animation:none}.site-header-top{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:.75rem;margin:0 0 1.25rem;display:flex}.site-header-lead{flex-wrap:wrap;align-items:center;gap:.15rem .85rem;min-width:0;display:flex}.site-header-directory{min-height:44px;color:var(--ink-soft);align-items:center;padding:0 .15rem;font-size:.9rem;font-weight:600;text-decoration:none;display:inline-flex}.site-header-directory:hover{color:var(--accent)}.site-header-directory:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:4px}.site-header-directory[aria-current=page]{color:var(--accent-deep)}.site-header-brand{width:fit-content;min-height:44px;color:var(--accent-deep);letter-spacing:.04em;flex-wrap:wrap;align-items:center;gap:.75rem;margin:0;font-size:.9rem;font-weight:600;text-decoration:none;display:flex}.site-header-brand:hover{color:var(--accent)}.site-header-brand:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:4px}.site-header-brand span{border-left:1px solid var(--line);color:var(--muted);letter-spacing:.08em;padding-left:.75rem;font-family:Outfit,sans-serif;font-size:.75rem;font-weight:500}.site-header-title-row{justify-content:space-between;align-items:flex-start;gap:.75rem;margin:0 0 .75rem;display:flex}.site-header-title-row h1{flex:1;min-width:0;margin:0}.site-header h1{color:var(--ink);letter-spacing:-.03em;overflow-wrap:anywhere;margin:0 0 .75rem;font-family:Outfit,PingFang SC,Microsoft YaHei,sans-serif;font-size:clamp(1.75rem,3.5vw,2.25rem);font-weight:600;line-height:1.3}.site-header-title-row h1{margin:0}.site-header-description{max-width:40rem;color:var(--ink-soft);margin:0;font-size:1rem;line-height:1.75}.site-header:after{content:"";background:var(--accent);border-radius:2px;width:2rem;height:3px;margin-top:1.25rem;display:block}@media (prefers-reduced-motion:reduce){.site-header{animation:none}}