:root{color-scheme:light;--background:#fff;--surface:#fff;--surface-subtle:#fafafa;--text:#18171c;--muted:#6f6d76;--faint:#92909a;--border:#e5e4ea;--border-strong:#d7d5df;--accent:#5b36df;--accent-soft:#f0ecff;--accent-border:#d9d0ff;--radius:8px;--header-height:72px;--sidebar-width:210px;--results-width:440px;font-synthesis:none;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html{background:var(--background)}body{min-width:320px;color:var(--text);background:var(--background);margin:0;font-size:15px;line-height:1.6}button,input,select{font:inherit}button,a,select,input{-webkit-tap-highlight-color:transparent}a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.icon{flex:none;display:block}.app-shell{grid-template-columns:var(--sidebar-width) var(--results-width) minmax(0, 1fr);grid-template-rows:var(--header-height) calc(100vh - var(--header-height));min-height:100vh;display:grid;overflow:hidden}.topbar{grid-column:1/-1;grid-template-columns:var(--sidebar-width) minmax(360px, 520px) 1fr;height:var(--header-height);border-bottom:1px solid var(--border);background:var(--surface);align-items:center;gap:24px;padding:0 24px;display:grid}.brand{color:var(--text);letter-spacing:-.02em;white-space:nowrap;align-items:center;gap:11px;font-size:18px;font-weight:720;line-height:1;text-decoration:none;display:flex}.brand .icon{color:var(--accent);stroke-width:1.8px}.search-control{border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--surface);width:100%;height:42px;color:var(--faint);align-items:center;gap:10px;padding:0 14px;transition:border-color .12s,box-shadow .12s;display:flex}.search-control:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.search-control input{width:100%;min-width:0;color:var(--text);background:0 0;border:0;outline:0;font-size:14px}.search-control input::placeholder{color:var(--faint)}.utility-nav{justify-content:flex-end;align-items:center;gap:28px;display:flex}.utility-nav a{color:#35333a;align-items:center;gap:7px;font-size:14px;font-weight:560;text-decoration:none;display:inline-flex}.utility-nav a:hover,.utility-nav a.is-active{color:var(--accent)}.sidebar{border-right:1px solid var(--border);background:var(--surface);grid-area:2/1;padding:16px 12px;overflow-y:auto}.sidebar nav{gap:4px;display:grid}.nav-item{color:#37353c;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:7px;grid-template-columns:22px 1fr auto;align-items:center;gap:10px;min-height:44px;padding:0 12px;font-size:14px;display:grid}.nav-item:hover{background:var(--surface-subtle)}.nav-item.is-active{color:var(--accent);background:var(--accent-soft);font-weight:650}.nav-item small{color:var(--faint);font-variant-numeric:tabular-nums;font-size:11px}.nav-item.is-active small{color:var(--accent)}.results-pane{border-right:1px solid var(--border);background:var(--surface);flex-direction:column;grid-area:2/2;min-width:0;display:flex;overflow:hidden}.filterbar{flex-wrap:wrap;gap:8px;padding:16px 14px 8px;display:flex}.filterbar label{display:block}.filterbar label>span{clip:rect(0, 0, 0, 0);width:1px;height:1px;position:absolute;overflow:hidden}.filterbar select{border:1px solid var(--border-strong);color:#3c3941;background:var(--surface);cursor:pointer;border-radius:6px;max-width:116px;height:34px;padding:0 28px 0 10px;font-size:13px}.result-summary{min-height:42px;color:var(--muted);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:0 16px;font-size:13px;display:flex}.result-list{overscroll-behavior:contain;min-height:0;overflow-y:auto}.result-row{border-bottom:1px solid var(--border);min-height:104px;color:var(--text);justify-content:space-between;align-items:center;gap:16px;margin:0;padding:16px 20px;text-decoration:none;transition:background .1s;display:flex;position:relative}.result-row:hover{background:var(--surface-subtle)}.result-row.is-selected{background:linear-gradient(90deg,#f6f3ff 0%,#fbfaff 100%)}.result-row.is-selected:before{background:var(--accent);content:"";width:3px;position:absolute;inset:0 auto 0 0}.result-main{min-width:0}.result-row h2{color:var(--text);text-overflow:ellipsis;white-space:nowrap;margin:0 0 5px;font-size:15px;font-weight:670;line-height:1.45;overflow:hidden}.result-row p{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;align-items:center;gap:7px;margin:0;font-size:12px;line-height:1.5;display:flex;overflow:hidden}.result-row p i{color:#bbb8c2;font-style:normal}.result-row>.icon{display:none}.tag-line{gap:6px;margin-top:9px;display:flex;overflow:hidden}.tag-line span{border:1px solid var(--border);color:#625f68;background:var(--surface);text-overflow:ellipsis;white-space:nowrap;border-radius:4px;max-width:110px;padding:2px 7px;font-size:11px;line-height:1.4;overflow:hidden}.empty-state{color:var(--muted);text-align:center;padding:64px 24px}.reader-pane{background:var(--surface);grid-area:2/3;min-width:0;overflow:auto}.content-detail{width:min(100%,920px);min-height:100%;margin:0 auto;padding:30px 38px 94px}.detail-head{align-items:flex-start;gap:12px;display:flex}.detail-title-block{min-width:0}.content-detail h1{color:#111015;letter-spacing:-.025em;margin:0;font-size:clamp(24px,2.1vw,32px);font-weight:760;line-height:1.25}.detail-metadata{border-bottom:1px solid var(--border);grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 32px;margin:24px 0 28px;padding:0 0 24px;display:grid}.detail-metadata div{grid-template-columns:74px 1fr;gap:10px;min-width:0;display:grid}.detail-metadata dt,.detail-metadata dd{margin:0;font-size:13px}.detail-metadata dt{color:var(--muted)}.detail-metadata dd{color:#333139;text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.detail-metadata code,.citation-bar code{font-family:SFMono-Regular,Consolas,Liberation Mono,monospace}.prose{color:#242228;font-size:15px;line-height:1.9}.prose>:first-child{margin-top:0}.prose h1{display:none}.prose h2{border-top:1px solid var(--border);color:#18171c;letter-spacing:-.01em;margin:30px 0 10px;padding-top:22px;font-size:19px;font-weight:720}.prose h3{color:#242228;margin:24px 0 8px;font-size:16px;font-weight:680}.prose p,.prose ul,.prose ol,.prose blockquote,.prose pre,.prose table{margin:10px 0 16px}.prose ul,.prose ol{padding-left:1.5em}.prose li+li{margin-top:4px}.prose blockquote{border-left:3px solid var(--accent-border);color:#514e58;margin-left:0;padding:1px 0 1px 16px}.prose a{color:var(--accent);text-underline-offset:3px;text-decoration-thickness:1px}.prose code{background:#f3f2f5;border-radius:4px;padding:2px 5px;font-family:SFMono-Regular,Consolas,monospace;font-size:.9em}.prose pre{border:1px solid var(--border);border-radius:var(--radius);background:#f8f8fa;padding:14px 16px;overflow-x:auto}.prose pre code{background:0 0;padding:0}.prose table{border-collapse:collapse;width:100%;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--border);text-align:left;vertical-align:top;min-width:120px;padding:8px 10px}.prose th{background:var(--surface-subtle);font-weight:650}.citation-bar{border-top:1px solid var(--border);backdrop-filter:blur(10px);background:#fffffff5;align-items:center;gap:10px;margin:34px -10px -72px;padding:12px 10px;display:flex;position:sticky;bottom:0}.copy-citation{border:1px solid var(--accent);min-height:38px;color:var(--accent);background:var(--surface);white-space:nowrap;cursor:pointer;border-radius:7px;justify-content:center;align-items:center;gap:7px;padding:0 14px;font-size:13px;font-weight:650;display:inline-flex}.copy-citation:hover{background:var(--accent-soft)}.citation-bar>code{border:1px solid var(--border);min-width:0;color:var(--muted);text-overflow:ellipsis;white-space:nowrap;border-radius:6px;padding:8px 10px;font-size:11px;line-height:1.4;overflow:hidden}.mobile-search,.mobile-tabs,.mobile-filter-trigger,.mobile-detail-summary,.mobile-back{display:none}.standalone-shell{background:var(--surface);min-height:100vh}.standalone-navigation{z-index:30;position:fixed;top:24px;left:24px}.standalone-navigation>summary{z-index:2;border:1px solid var(--border-strong);border-radius:var(--radius);color:#35333a;cursor:pointer;backdrop-filter:blur(12px);background:#fffffff0;align-items:center;gap:8px;min-height:42px;padding:0 13px;font-size:13px;font-weight:650;list-style:none;display:flex;position:relative;box-shadow:0 4px 18px #17142314}.standalone-navigation>summary::-webkit-details-marker{display:none}.standalone-navigation[open]>summary{color:var(--accent);border-color:var(--accent-border);background:var(--accent-soft)}.standalone-navigation__drawer{border-right:1px solid var(--border);background:var(--surface);width:260px;padding:88px 16px 24px;position:fixed;top:0;bottom:0;left:0;box-shadow:18px 0 40px #1714231a}.standalone-navigation__brand{min-height:48px;color:var(--text);align-items:center;gap:10px;margin-bottom:14px;padding:0 10px;font-size:15px;font-weight:720;line-height:1.2;text-decoration:none;display:flex}.standalone-navigation__brand .icon{color:var(--accent)}.standalone-navigation__drawer nav{gap:4px;display:grid}.standalone-navigation__drawer nav a{color:#37353c;border-radius:7px;grid-template-columns:22px 1fr auto;align-items:center;gap:10px;min-height:44px;padding:0 12px;font-size:14px;text-decoration:none;display:grid}.standalone-navigation__drawer nav a:hover{color:var(--accent);background:var(--accent-soft)}.standalone-navigation__drawer nav small{color:var(--faint);font-variant-numeric:tabular-nums;font-size:11px}.content-detail--standalone{width:min(100%,860px);min-height:100vh;padding-top:44px}.not-found{width:min(100% - 40px,640px);margin:20vh auto 0}.not-found h1{margin-bottom:8px;font-size:30px}.not-found p{color:var(--muted)}.not-found a{color:var(--accent)}@media (width<=1120px){:root{--sidebar-width:184px;--results-width:370px}.topbar{gap:16px;padding-inline:18px}.brand{font-size:16px}.content-detail{padding-inline:28px}.detail-metadata{grid-template-columns:1fr}}@media (width<=899px){:root{--header-height:72px}body{font-size:14px}.standalone-navigation{display:none}.app-shell{min-height:100vh;display:block;overflow:visible}.topbar{z-index:10;height:var(--header-height);padding:0 20px;display:flex;position:sticky;top:0}.topbar>.search-control,.utility-nav,.sidebar,.reader-pane{display:none}.brand{width:100%;font-size:19px}.brand .icon{display:none}.results-pane{border:0;display:block;overflow:visible}.mobile-search{padding:10px 20px 12px;display:block}.search-control{height:44px}.mobile-tabs{border-bottom:1px solid var(--border);scrollbar-width:none;gap:25px;padding:0 20px;display:flex;overflow-x:auto}.mobile-tabs::-webkit-scrollbar{display:none}.mobile-tabs button{color:#403d45;white-space:nowrap;background:0 0;border:0;min-width:40px;min-height:48px;padding:0;font-size:14px;font-weight:580;position:relative}.mobile-tabs button.is-active{color:var(--accent)}.mobile-tabs button.is-active:after{background:var(--accent);content:"";height:2px;position:absolute;bottom:-1px;left:0;right:0}.filterbar{border-bottom:1px solid var(--border);background:var(--surface-subtle);padding:12px 20px;display:none}.filterbar.is-open{grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.filterbar select{background:var(--surface);width:100%;max-width:none;height:40px}.result-summary{background:var(--surface);min-height:50px;padding:0 20px}.mobile-filter-trigger{color:#4c4951;background:0 0;border:0;align-items:center;gap:6px;min-height:44px;padding:0;font-size:13px;display:inline-flex}.result-list{overflow:visible}.result-row{min-height:124px;padding:20px}.result-row h2{white-space:normal;margin-bottom:11px;font-size:17px}.result-row p{font-size:12px}.result-row>.icon{color:#222027;display:block}.tag-line{display:none}.result-row.is-selected{background:var(--accent-soft)}.result-row.is-selected:before{display:none}.content-detail,.content-detail--standalone{width:100%;padding:0 20px 90px}.detail-head{min-height:72px;padding-top:22px;position:relative}.mobile-back{width:44px;height:44px;color:var(--text);place-items:center;text-decoration:none;display:grid;position:absolute;top:18px;left:-8px}.content-detail--standalone .detail-title-block{width:100%;padding-top:72px}.content-detail h1{font-size:24px;line-height:1.3}.mobile-detail-summary{color:var(--muted);align-items:center;gap:7px;margin-top:12px;font-size:12px;display:flex}.mobile-detail-summary i{color:#bbb8c2;font-style:normal}.detail-metadata{display:none}.prose{margin-top:28px;font-size:15px;line-height:1.9}.prose h2{margin-top:24px;padding-top:20px;font-size:18px}.citation-bar{z-index:20;padding:12px 20px calc(12px + env(safe-area-inset-bottom));background:#fffffff7;margin:0;position:fixed;bottom:0;left:0;right:0}.copy-citation{width:100%;min-height:48px;font-size:15px}.citation-bar>code{display:none}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}