:root{--bg-0:#0d0a2e;--bg-1:#160b38;--bg-2:#271052;--surface:#ffffff0a;--surface-hover:#ffffff14;--border:#ffffff1f;--border-strong:#ffffff38;--fg:#f4f1ff;--fg-soft:#f4f1ffb8;--fg-subtle:#f4f1ff80;--accent:#8b5cf6;--accent-soft:#a78bfa;--warn:#fbbf24;--radius:14px;--radius-lg:22px;--maxw:1080px;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-heading:var(--font-sans)}@media (prefers-reduced-motion:reduce){*{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{min-height:100vh;font-family:var(--font-sans);color:var(--fg);background:radial-gradient(ellipse at 50% -10%, var(--bg-2), var(--bg-1) 45%, var(--bg-0) 100%) fixed;margin:0;font-size:16px;line-height:1.7}a{color:var(--accent-soft);text-decoration:none}a:hover{color:#fff}img{max-width:100%;height:auto}.shell{flex-direction:column;min-height:100vh;display:flex}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 1.25rem}.container--narrow{max-width:760px}.site-header{z-index:50;border-bottom:1px solid var(--border);backdrop-filter:blur(14px);background:#0d0a2eb8;position:sticky;top:0}.site-header__inner{align-items:center;gap:1.5rem;height:60px;display:flex}.brand{color:var(--fg);letter-spacing:-.02em;align-items:center;gap:.5rem;font-weight:700;display:inline-flex}.brand svg{flex:none}.site-nav{align-items:center;gap:1.25rem;margin-left:auto;font-size:.9rem;display:flex}.site-nav a{color:var(--fg-soft)}.site-nav a:hover,.site-nav a[aria-current=page]{color:#fff}main{flex:1}.section{padding:3.5rem 0}.section--tight{padding:2rem 0}.eyebrow{color:var(--accent-soft);background:#8b5cf629;border-radius:999px;align-items:center;gap:.4rem;padding:.25rem .7rem;font-size:.78rem;display:inline-flex}h1,h2,h3{font-family:var(--font-heading);letter-spacing:-.02em;line-height:1.25}h1{margin:0 0 .75rem;font-size:clamp(1.75rem,4vw,2.6rem)}h2{margin:2.25rem 0 .75rem;font-size:1.35rem}h3{margin:1.5rem 0 .5rem;font-size:1.05rem}.lede{color:var(--fg-soft);max-width:60ch;font-size:1.05rem}.muted{color:var(--fg-subtle);font-size:.88rem}.card{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);color:inherit;padding:1.25rem;transition:border-color .15s,background .15s;display:block}a.card:hover{border-color:var(--border-strong);background:var(--surface-hover)}.grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem;display:grid}.notice{border-radius:var(--radius);color:#fde68a;background:#fbbf241a;border:1px solid #fbbf2459;gap:.6rem;padding:.85rem 1rem;font-size:.88rem;display:flex}.prose{color:var(--fg-soft);font-size:1.02rem}.prose p{margin:0 0 1.1rem}.prose h2,.prose h3{color:var(--fg)}.prose ul,.prose ol{margin:0 0 1.1rem;padding-left:1.4rem}.prose li{margin-bottom:.4rem}.prose strong{color:var(--fg)}.prose em{color:var(--fg);font-style:italic}.prose a{color:var(--accent-soft);text-underline-offset:.18em;text-decoration:underline #a78bfa66;transition:color .15s,text-decoration-color .15s}.prose a:hover{color:var(--fg);text-decoration-color:currentColor}.prose a:focus-visible{outline:2px solid var(--accent-soft);outline-offset:2px;border-radius:2px}.prose a[target=_blank]:after{content:" ↗";color:var(--fg-subtle);font-size:.85em}.prose blockquote{border-left:3px solid var(--accent);color:var(--fg-subtle);margin:1.25rem 0;padding:.5rem 1rem}.faq details{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);margin-bottom:.6rem;padding:.85rem 1rem}.faq summary{cursor:pointer;font-weight:600}.faq p{color:var(--fg-soft);margin:.6rem 0 0}.crumbs{color:var(--fg-subtle);align-items:center;gap:.4rem;margin-bottom:1rem;font-size:.82rem;display:flex}.site-footer{border-top:1px solid var(--border);color:var(--fg-subtle);padding:2rem 0;font-size:.85rem}.site-footer__inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem 1.5rem;display:flex}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}
