:root{--bg:#fbfbfd;--bg-elev:#fff;--text:#1c1d21;--text-dim:#6b6f76;--line:#e6e7ea;--accent:#2f6feb;--accent-soft:#eaf1ff;--warn:#b45309;--dead:#9aa0a6;--radius:12px;--maxw:1000px;--header-h:58px;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", Roboto, Helvetica, Arial, sans-serif;--mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace}@media 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var(--line);background:var(--bg-elev);width:44px;height:44px;color:var(--text);cursor:pointer;border-radius:999px;flex-direction:column;flex:none;justify-content:center;align-items:center;gap:4px;padding:0;display:none}.nav-toggle:hover{border-color:var(--accent);color:var(--accent)}.nav-toggle:focus-visible{outline:2px solid var(--accent-soft);border-color:var(--accent)}.nt-bar{background:currentColor;border-radius:2px;width:18px;height:2px;transition:transform .18s,opacity .18s;display:block}.nav-toggle[aria-expanded=true] .nt-bar:first-child{transform:translateY(6px)rotate(45deg)}.nav-toggle[aria-expanded=true] .nt-bar:nth-child(2){opacity:0}.nav-toggle[aria-expanded=true] .nt-bar:nth-child(3){transform:translateY(-6px)rotate(-45deg)}.search{margin-left:auto;position:relative}.search input{width:200px;font:inherit;color:var(--text);background:var(--bg-elev);border:1px solid var(--line);border-radius:999px;padding:7px 11px;font-size:14px}.search input:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}.search-results{background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--radius);width:min(420px,88vw);max-height:60vh;padding:6px;display:none;position:absolute;top:calc(100% + 6px);right:0;overflow:auto;box-shadow:0 12px 32px #0000001f}.search-results[data-open=true]{display:block}.search-results a{color:var(--text);border-radius:8px;padding:8px 10px;display:block}.search-results a:hover{background:var(--accent-soft);text-decoration:none}.search-results .sr-title{font-size:14px;font-weight:600}.search-results .sr-meta{color:var(--text-dim);font-size:12px}.search-results .sr-empty{color:var(--text-dim);padding:10px;font-size:14px}main{padding:32px 0 72px}.page-title{letter-spacing:-.02em;margin:0 0 6px;font-size:26px}.page-desc{color:var(--text-dim);margin:0 0 26px;font-size:15px}.page-desc strong{color:var(--text)}.section{margin:34px 0 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a{white-space:normal;border-radius:10px;flex-direction:column;justify-content:center;min-height:48px;padding:8px 10px 8px 22px;font-weight:400;display:flex}html.js .site-nav .nm-label{font-size:15px}html.js .site-nav .nm-desc{display:block}html.js .site-nav .search{border-bottom:1px solid var(--line);margin:10px 0 4px;padding:0 10px 14px}html.js .site-nav .search input{width:100%;padding:12px 14px;font-size:15px}html.js .site-nav .search-results{width:auto;left:10px;right:10px}}@media (width<=520px){.nm-label{font-size:13px}.nav-menu a,.nav-item>a{padding:3px 6px}.search input{width:130px}}