.sup{--sup-ink:#0f172a;--sup-muted:#64748b;--sup-line:#e2e8f0;--sup-brand:#0059ac;--sup-bg:#f8fafc;background:var(--sup-bg);min-height:100vh;color:var(--sup-ink);flex-direction:column;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;display:flex}.sup-header{border-bottom:1px solid var(--sup-line);z-index:20;background:#fff;position:sticky;top:0}.sup-header-inner{align-items:center;gap:1.25rem;max-width:1060px;margin:0 auto;padding:.85rem 1.25rem;display:flex}.sup-brand{color:inherit;flex-shrink:0;align-items:center;gap:.55rem;text-decoration:none;display:inline-flex}.sup-header-links{flex-shrink:0;gap:1rem;margin-left:auto;display:flex}.sup-lang{color:var(--sup-muted);font-size:.86rem;font-weight:600;text-decoration:none}.sup-lang:hover{color:var(--sup-ink)}.sup-search{flex:1;max-width:420px;position:relative}.sup-search-input{border:1px solid var(--sup-line);background:var(--sup-bg);border-radius:8px;width:100%;padding:.55rem .9rem;font-family:inherit;font-size:.9rem}.sup-search-input:focus{border-color:var(--sup-brand);background:#fff;outline:none;box-shadow:0 0 0 3px #0059ac1a}.sup-search-results{border:1px solid var(--sup-line);background:#fff;border-radius:10px;max-height:60vh;position:absolute;top:calc(100% + 6px);left:0;right:0;overflow:hidden auto;box-shadow:0 12px 32px #0f172a24}.sup-search-results ul{margin:0;padding:0;list-style:none}.sup-search-results a{color:inherit;border-bottom:1px solid #f1f5f9;padding:.7rem .9rem;text-decoration:none;display:block}.sup-search-results a:hover{background:#f8fafc}.sup-search-results strong{font-size:.9rem;display:block}.sup-search-results span{color:var(--sup-muted);text-overflow:ellipsis;white-space:nowrap;margin-top:2px;font-size:.8rem;display:block;overflow:hidden}.sup-search-empty{color:var(--sup-muted);margin:0;padding:.9rem;font-size:.86rem}.sup-main{flex:1;width:100%;max-width:1060px;margin:0 auto;padding:2rem 1.25rem 4rem}.sup-hero{margin-bottom:2rem}.sup-hero h1{letter-spacing:-.02em;margin:0 0 .5rem;font-size:2.1rem}.sup-hero-sub{color:var(--sup-muted);max-width:62ch;margin:0;font-size:1.05rem}.sup-crumbs{color:var(--sup-muted);flex-wrap:wrap;align-items:center;gap:.45rem;margin-bottom:1.25rem;font-size:.85rem;display:flex}.sup-crumbs a{color:var(--sup-brand);text-decoration:none}.sup-crumbs a:hover{text-decoration:underline}.sup-cat-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem;display:grid}.sup-cat-card{border:1px solid var(--sup-line);color:inherit;background:#fff;border-radius:12px;padding:1.15rem 1.25rem;text-decoration:none;transition:border-color .15s,box-shadow .15s,transform .15s;display:block}.sup-cat-card:hover{border-color:var(--sup-brand);transform:translateY(-1px);box-shadow:0 6px 20px #0059ac1a}.sup-cat-card h2{margin:0 0 .35rem;font-size:1.05rem}.sup-cat-card p{color:var(--sup-muted);margin:0 0 .7rem;font-size:.88rem;line-height:1.5}.sup-cat-count{text-transform:uppercase;letter-spacing:.04em;color:var(--sup-brand);font-size:.76rem;font-weight:700}.sup-article-list{gap:.6rem;margin:0;padding:0;list-style:none;display:grid}.sup-article-list a{border:1px solid var(--sup-line);color:inherit;background:#fff;border-radius:10px;padding:.95rem 1.1rem;text-decoration:none;display:block}.sup-article-list a:hover{border-color:var(--sup-brand)}.sup-article-list strong{margin-bottom:.2rem;font-size:.98rem;display:block}.sup-article-list span{color:var(--sup-muted);font-size:.86rem;line-height:1.5}.sup-empty{border:1px dashed var(--sup-line);color:var(--sup-muted);text-align:center;background:#fff;border-radius:10px;padding:1.5rem}.sup-article{border:1px solid var(--sup-line);background:#fff;border-radius:14px;max-width:78ch;padding:2rem 2.25rem 2.5rem}.sup-article header h1{letter-spacing:-.02em;margin:0 0 .6rem;font-size:1.95rem;line-height:1.2}.sup-lede{color:#334155;margin:0 0 .75rem;font-size:1.02rem;line-height:1.6}.sup-updated{color:var(--sup-muted);margin:0 0 1.5rem;font-size:.8rem}.sup-toc{background:var(--sup-bg);border:1px solid var(--sup-line);border-radius:10px;margin-bottom:1.75rem;padding:.9rem 1.1rem}.sup-toc h2{text-transform:uppercase;letter-spacing:.05em;color:var(--sup-muted);margin:0 0 .4rem;font-size:.74rem}.sup-toc ol{margin:0;padding-left:1.1rem}.sup-toc li{margin:.2rem 0;font-size:.88rem}.sup-toc a{color:var(--sup-brand);text-decoration:none}.sup-toc a:hover{text-decoration:underline}.sup-body{color:#1e293b;font-size:1rem;line-height:1.7}.sup-body h2{letter-spacing:-.01em;margin:2.2rem 0 .75rem;scroll-margin-top:5rem;font-size:1.3rem}.sup-body h3{margin:1.6rem 0 .5rem;font-size:1.08rem}.sup-body p{margin:0 0 1rem}.sup-body ul,.sup-body ol{margin:0 0 1.15rem;padding-left:1.4rem}.sup-body li{margin:.35rem 0}.sup-body a{color:var(--sup-brand)}.sup-body strong{font-weight:650}.sup-body code{background:#f1f5f9;border-radius:4px;padding:.1em .35em;font-size:.88em}.sup-body table{border-collapse:collapse;width:100%;margin:0 0 1.3rem;font-size:.9rem}.sup-body th,.sup-body td{text-align:left;border-bottom:1px solid var(--sup-line);padding:.55rem .7rem}.sup-body th{background:var(--sup-bg);font-weight:650}.sup-callout{border-left:3px solid var(--sup-brand);background:#eff6ff;border-radius:0 8px 8px 0;margin:0 0 1.3rem;padding:.85rem 1.1rem}.sup-callout p:last-child{margin-bottom:0}.sup-callout--warn{background:#fffbeb;border-left-color:#d97706}.sup-figure{margin:1.4rem 0 1.6rem}.sup-figure img{border:1px solid var(--sup-line);border-radius:10px;width:100%;height:auto;display:block}.sup-figure figcaption{color:var(--sup-muted);text-align:center;margin-top:.5rem;font-size:.82rem}.sup-related{border:1px solid var(--sup-line);background:#fff;border-radius:12px;max-width:78ch;margin:2rem 0 0;padding:1.25rem 1.5rem}.sup-related h2{margin:0 0 .6rem;font-size:.95rem}.sup-related ul{margin:0;padding-left:1.2rem}.sup-related li{margin:.3rem 0;font-size:.92rem}.sup-related a{color:var(--sup-brand)}.sup-stuck{color:#fff;background:#0f172a;border-radius:14px;max-width:78ch;margin-top:2.5rem;padding:1.6rem 1.75rem}.sup-stuck h2{margin:0 0 .35rem;font-size:1.15rem}.sup-stuck p{color:#cbd5e1;margin:0 0 1rem;font-size:.92rem}.sup-btn{background:var(--sup-brand);color:#fff;border-radius:8px;padding:.6rem 1.15rem;font-size:.9rem;font-weight:650;text-decoration:none;display:inline-block}.sup-btn:hover{background:#004a91}.sup-footer{border-top:1px solid var(--sup-line);text-align:center;color:var(--sup-muted);background:#fff;padding:1.5rem 1.25rem;font-size:.84rem}.sup-footer a{color:var(--sup-muted)}@media (width<=720px){.sup-header-inner{flex-wrap:wrap;gap:.75rem}.sup-search{flex-basis:100%;order:3;max-width:none}.sup-article{border-left:0;border-right:0;border-radius:0;margin:0 -1.25rem;padding:1.5rem 1.25rem 2rem}.sup-hero h1{font-size:1.7rem}}