@charset "UTF-8";
:root{color-scheme:dark;--bg:#101615;--panel:#171f1d;--panel-hover:#1d2924;--line:#2a3430;--text:#edf1ed;--muted:#9ba8a1;--accent:#b2dbbf;--accent-dark:#243d2e;--sidebar:224px;--radius:10px;font-family:Inter,"Microsoft YaHei","PingFang SC",system-ui,sans-serif;font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--text);font-size:16px;line-height:1.65}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.4}a,button{transition:background .2s,color .2s,border-color .2s,transform .2s}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:5px}svg{width:21px;height:21px;stroke:currentColor;stroke-width:1.65;fill:none;stroke-linecap:round;stroke-linejoin:round;vertical-align:middle;flex-shrink:0}img{max-width:100%;height:auto}h1,h2,h3,p{margin:0}button{color:inherit}::selection{background:#547d5f;color:white}.skip{position:fixed;top:-100px;left:20px;z-index:100;padding:10px;background:var(--accent);color:var(--bg)}.skip:focus{top:10px}.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar);background:#121917;border-right:1px solid var(--line);padding:34px 18px 22px;z-index:50;display:flex;flex-direction:column;overflow:auto}.brand{display:flex;gap:12px;align-items:center;padding:0 7px 35px;font-size:23px;font-weight:700;letter-spacing:2px;line-height:1.4}.brand-mark{display:grid;place-items:center;background:var(--accent);color:#183020;border-radius:9px;width:42px;height:48px;font-family:"STSong","SimSun",serif;font-size:29px;flex-shrink:0;box-shadow:inset 0 0 0 4px #18291d,inset 0 0 0 5px var(--accent)}.brand small{display:block;font-size:12px;color:var(--muted);font-weight:400;letter-spacing:1.8px;margin-top:5px}.sidebar-label{font-size:12px;letter-spacing:1.7px;color:#83928a;padding:8px 15px 14px}.nav-item{display:flex;gap:13px;align-items:center;padding:11px 15px;margin:3px 0;border-radius:7px;font-size:14px;color:#aeb9b2;position:relative}.nav-item svg{width:19px;height:19px}.nav-item:hover{color:var(--accent);background:#202b25}.nav-item.active{background:#233b2c;color:#bfe4c9}.nav-tick{width:4px;height:4px;background:var(--accent);border-radius:50%;margin-left:auto}.nav-divider{height:1px;background:var(--line);margin:18px 13px}.sidebar-bottom{margin-top:auto;padding:48px 12px 0}.small-seal{font-family:"STSong","SimSun",serif;letter-spacing:5px;font-size:18px;color:#c6d4c8}.sidebar-bottom p{font-size:12px;color:#a6b2a9;margin:9px 0 3px}.sidebar-bottom>span:last-of-type{font-size:12px;color:#7b8c80}.sidebar-bottom>a{border-top:1px solid var(--line);display:flex;justify-content:space-between;margin-top:22px;padding-top:17px;font-size:13px;color:#95a49a}.site-shell{margin-left:var(--sidebar)}.topbar{height:76px;display:flex;justify-content:space-between;align-items:center;padding:0 42px;border-bottom:1px solid var(--line);gap:20px}.breadcrumbs{font-size:13px;color:#8f9d95;display:flex;gap:16px;align-items:center}.breadcrumbs strong{color:#ccd5cf;font-weight:400}.breadcrumbs>span{color:#4f5e54}.topbar-right{display:flex;align-items:center;gap:35px}.edition{font-size:12px;letter-spacing:2.2px;color:#93a097}.header-search{display:flex;gap:9px;color:#b7c1ba;font-size:13px;align-items:center}.header-search svg{width:17px}.header-search kbd{font-family:inherit;border:1px solid #3c493f;font-size:12px;padding:0 7px;border-radius:4px;margin-left:8px}.home-main{max-width:1500px;margin:auto;padding:30px 42px 0}.hero{position:relative;isolation:isolate;overflow:hidden;border:1px solid #3c5149;border-radius:12px;min-height:349px;background:#19342f url('hero.jpg') center 43%/cover}.hero:before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(17,37,29,.98) 2%,rgba(18,39,33,.91) 35%,rgba(19,38,34,.15) 100%),linear-gradient(0deg,rgba(20,42,35,.7),transparent 40%)}.hero-content{padding:33px 39px;max-width:690px}.eyebrow{font-size:12px;color:#c0d8c6;letter-spacing:2px;display:flex;gap:9px;align-items:center}.eyebrow>span{width:15px;height:1px;background:var(--accent)}.hero h1{font-family:"Noto Serif SC","STSong","SimSun",serif;font-size:42px;line-height:1.32;font-weight:600;letter-spacing:4px;margin:17px 0 14px}.hero p{font-size:14px;color:#c0ccc4}.hero-search{display:flex;gap:12px;align-items:center;max-width:553px;background:#f0f4ec;color:#3b4d40;border-radius:6px;padding:7px 7px 7px 16px;margin-top:24px;box-shadow:0 4px 24px #0002}.hero-search input{min-width:0;flex:1;background:transparent;border:none;outline:none;color:#243e2e;font-size:14px}.hero-search input::placeholder{color:#7b877d}.hero-search button{border:0;border-radius:4px;color:#d9ebdc;background:#2c4736;padding:9px 15px;white-space:nowrap;font-size:14px}.hero-search button:hover{background:#3f644b}.hero-search button>span{margin-left:13px}.hot-search{display:flex;gap:16px;font-size:12px;color:#d2dfd5;margin-top:13px;flex-wrap:wrap}.hot-search>span{color:#99aea0}.hot-search a:hover{color:#fff;text-decoration:underline}.hero-caption{position:absolute;right:27px;bottom:23px;display:flex;flex-direction:column;gap:3px;text-align:right;letter-spacing:3px;font-size:12px;color:#e0e8e3;text-shadow:0 1px 6px #000}.hero-caption small{font-size:12px;letter-spacing:2px;color:#c3d0c8}.archive-strip{display:flex;justify-content:space-between;align-items:center;gap:14px;color:#96a49a;font-size:12px;padding:20px 0 25px;border-bottom:1px solid var(--line)}.archive-strip>span{display:flex;align-items:center;gap:9px}.archive-strip svg{width:16px;height:16px}.archive-strip>div{display:flex;align-items:center;gap:17px}.archive-strip strong{font-weight:500;color:#d1ddd4}.archive-strip i{width:1px;height:12px;background:#34433a}.section{margin-top:31px}.section-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;gap:16px}.section-kicker{display:block;font-size:12px;letter-spacing:2px;color:#8a9d8e;margin-bottom:6px}.section-heading h2{font-size:21px;font-weight:500;letter-spacing:1px}.text-link{font-size:12px;color:#a4b4a8;white-space:nowrap}.text-link span{margin-left:9px}.text-link:hover{color:var(--accent)}.category-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.category-card{min-width:0;border:1px solid var(--line);border-radius:8px;background:#171f1c;padding:22px 17px 14px}.category-card:hover{background:var(--panel-hover);border-color:#738d78;transform:translateY(-3px)}.category-icon{display:inline-grid;place-items:center;width:35px;height:35px;color:#b6cfb9;background:#28372d;border-radius:7px;margin-bottom:15px}.category-icon svg{width:21px;height:21px}.category-card:nth-child(2) .category-icon{color:#c6c4a4;background:#33372b}.category-card:nth-child(3) .category-icon{color:#b9ccd3;background:#27383b}.category-card:nth-child(4) .category-icon{color:#c6bfd5;background:#34323d}.category-card:nth-child(5) .category-icon{color:#dac6a0;background:#3c3628}.category-card:nth-child(6) .category-icon{color:#c7b8b0;background:#392f2a}.category-card h3{font-size:16px;font-weight:500;letter-spacing:1px}.category-card p{font-size:12px;color:#92a396;margin:6px 0 17px;white-space:nowrap}.category-tail{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:12px;font-size:12px;color:#8ca291}.category-tail b{font-weight:400;color:#b6d0bd;font-size:15px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:19px}.feature-card{border:1px solid var(--line);border-radius:9px;overflow:hidden;background:var(--panel);min-width:0}.feature-card:hover{border-color:#6f8a76;transform:translateY(-3px)}.feature-card>img{width:100%;height:143px;display:block;object-fit:cover;filter:saturate(.65);transition:filter .3s}.feature-card:hover>img{filter:saturate(1)}.feature-body{padding:18px 21px}.tag{display:inline-block;color:#c0d8c4;background:#293a2e;font-size:12px;letter-spacing:1px;padding:2px 8px;border-radius:3px}.feature-body h3{font-size:21px;font-family:"STSong","SimSun",serif;font-weight:500;letter-spacing:2px;display:flex;justify-content:space-between;margin:10px 0}.feature-body h3>span{font-family:system-ui;font-size:17px;color:#a9bcad}.feature-body p{font-size:12px;line-height:1.8;color:#a5b0a8}.feature-meta{border-top:1px solid var(--line);padding-top:12px;margin-top:17px;font-size:12px;color:#8d9e91;display:flex;justify-content:space-between;gap:10px}.lower-grid{display:grid;grid-template-columns:1fr 300px;gap:28px;margin-top:8px}.recent-row{display:grid;grid-template-columns:76px 1fr 79px;gap:13px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}.recent-row:hover .recent-title{color:var(--accent)}.recent-category{font-size:12px;color:#b8c8ba;border:1px solid #3b4a3e;border-radius:4px;text-align:center;padding:2px 4px}.recent-title{font-size:14px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.recent-date{font-size:12px;color:#8e9d92;text-align:right}.starter-panel{margin-top:31px;padding:28px;border:1px solid #34483b;background:linear-gradient(130deg,#253a2e,#17231d);border-radius:9px;position:relative}.starter-panel>span:first-child{position:absolute;right:24px;top:27px;color:#789f7f}.starter-panel>span:first-child svg{width:32px;height:32px}.starter-panel h2{font-size:25px;line-height:1.5;font-family:"STSong","SimSun",serif;letter-spacing:2px;font-weight:400;margin-top:23px}.starter-panel p{font-size:12px;color:#a5b7a9;margin:14px 0 24px;line-height:1.9}.starter-panel a{display:flex;justify-content:space-between;align-items:center;border:1px solid #557760;background:#334f3b;padding:10px 14px;border-radius:5px;font-size:13px;color:#d3e5d5}.starter-panel a:hover{background:#45674b}.starter-panel small{font-size:12px;color:#8ca38f;display:block;margin-top:13px;letter-spacing:.6px}.footer{display:flex;justify-content:space-between;gap:16px;font-size:12px;color:#7e9082;border-top:1px solid var(--line);padding:25px 0;margin-top:42px}.footer a{margin-left:14px}.icon-button{display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--line);background:var(--panel);border-radius:6px}.menu-button{display:none}.back-top{position:fixed;right:20px;bottom:20px;font-size:22px;z-index:30;opacity:0;pointer-events:none;transition:opacity .2s}.back-top.visible{opacity:1;pointer-events:auto}.mobile-only{display:none}
/* Library and reading surfaces */
.page-main{max-width:1360px;margin:auto;padding:37px 42px}.page-title{font-family:"STSong","SimSun",serif;font-size:34px;font-weight:500;letter-spacing:2px}.page-intro{color:var(--muted);font-size:14px;margin:10px 0 25px}.library-search{max-width:none;margin:22px 0 25px;padding:11px 11px 11px 18px}.library-search input{font-size:16px}.filter-row{display:flex;flex-wrap:wrap;gap:8px;padding-bottom:24px;border-bottom:1px solid var(--line)}.filter-chip{border:1px solid var(--line);background:transparent;border-radius:5px;padding:7px 15px;color:#acb9b0;font-size:14px}.filter-chip:hover,.filter-chip[aria-pressed="true"]{background:#29432f;color:#c6e4c9;border-color:#638369}.results-toolbar{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:23px 0 12px;font-size:14px;color:var(--muted)}.results-toolbar select{background:var(--panel);border:1px solid var(--line);padding:7px 10px;color:#c2cec5;border-radius:5px;font-size:14px}.results-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.result-card{padding:23px;background:var(--panel);border:1px solid var(--line);border-radius:8px;display:flex;flex-direction:column;min-width:0}.result-card:hover{border-color:#608169;background:#1d2a20}.result-card h2{font-size:17px;font-weight:500;line-height:1.6;margin:12px 0 9px;overflow-wrap:anywhere}.result-card p{font-size:13px;line-height:1.8;color:#9eada3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.result-meta{display:flex;gap:14px;justify-content:space-between;color:#8fa394;font-size:12px;margin-top:auto;padding-top:20px}.result-card .tag{align-self:flex-start}.pagination{display:flex;gap:15px;align-items:center;justify-content:center;margin-top:28px;font-size:14px}.pagination button{border:1px solid var(--line);padding:8px 18px;border-radius:5px;background:var(--panel)}.pagination button:hover:not(:disabled){border-color:var(--accent)}.empty-state{text-align:center;padding:70px 20px;grid-column:1/-1;color:var(--muted);border:1px dashed #3b5042;border-radius:8px}.empty-state h2{font-size:23px;color:var(--text);margin-bottom:12px}.empty-state a{display:inline-block;color:var(--accent);margin-top:22px;text-decoration:underline}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:30px;margin-top:27px;align-items:start}.article-header{border-bottom:1px solid var(--line);padding-bottom:25px}.article-header h1{font-size:30px;line-height:1.5;letter-spacing:1px;margin:13px 0 16px;font-weight:500;overflow-wrap:anywhere}.article-meta{display:flex;flex-wrap:wrap;gap:18px;color:var(--muted);font-size:12px}.article-main{min-width:0}.article-content{font-size:16px;line-height:1.95;overflow-wrap:anywhere;padding:28px 0;color:#d7dfd9}.article-content p{margin:0 0 16px}.article-content a{color:#b9dcbc;text-decoration:underline;text-underline-offset:4px}.article-content a:hover{color:#e0f5dc}.article-content h1,.article-content h2,.article-content h3{font-size:22px;color:#edf2ed;margin:28px 0 16px;font-weight:500;line-height:1.5}.article-content img{display:block;max-width:100%;height:auto;border-radius:5px;margin:14px auto;cursor:zoom-in;background:#1e2821}.article-content li{margin:6px 0}.article-content ul,.article-content ol{padding-left:26px}.article-content strong{font-weight:600;color:#eff6eb}.table-wrap{overflow:auto;max-width:100%;margin:20px 0;border:1px solid #35433a;border-radius:6px}.article-content table{width:100%;border-collapse:collapse;min-width:560px;font-size:14px;background:#17201a}.article-content td,.article-content th{padding:12px;border:1px solid #35433a;vertical-align:top;min-width:80px}.article-content th{background:#283a2d;color:#d9e7db}.article-content td p{margin:0 0 10px}.article-content td img{max-width:500px;width:100%;height:auto}.article-content td a{white-space:normal}.article-content hr{border:0;border-top:1px solid var(--line);margin:28px 0}.article-content .missing-image{display:block;color:#8c9c92;background:#202b24;border:1px dashed #45584a;border-radius:5px;padding:12px;font-size:13px}.article-aside{position:sticky;top:24px;display:flex;flex-direction:column;gap:20px}.aside-box{border:1px solid var(--line);background:var(--panel);border-radius:8px;padding:21px}.aside-box h2{font-size:15px;font-weight:500;margin-bottom:15px}.aside-box a{display:block;padding:10px 0;color:#aabeb0;font-size:13px;border-top:1px solid var(--line);overflow-wrap:anywhere}.aside-box a:hover{color:var(--accent)}.aside-box p{font-size:12px;color:var(--muted);line-height:1.9}.article-origin{border-top:1px solid var(--line);padding-top:22px;font-size:12px;color:var(--muted);margin-top:20px}.article-origin a{color:var(--accent)}.back-link{font-size:13px;color:#a9bdae;display:inline-block;margin-bottom:20px}.lightbox{max-width:96vw;max-height:94vh;padding:44px 14px 14px;background:#18211c;border:1px solid #65846c;border-radius:8px}.lightbox::backdrop{background:#000d}.lightbox img{display:block;max-width:90vw;max-height:82vh;object-fit:contain}.lightbox .close{position:absolute;top:5px;right:9px;font-size:23px;background:transparent;border:0;width:34px;height:34px}.content-notice{background:#233426;border-left:3px solid var(--accent);padding:16px 20px;border-radius:0 6px 6px 0;margin:24px 0;font-size:14px;color:#c6d8ca}.about-copy{max-width:800px;font-size:16px;line-height:1.9}.about-copy h2{font-size:22px;margin:30px 0 14px}.about-copy p{margin:14px 0;color:#bdc9c0}
@media(min-width:1550px){.hero{min-height:380px}.hero-content{padding:38px 45px}.hero h1{font-size:48px}.hero-search{margin-top:27px}.feature-card>img{height:180px}}
@media(max-width:1250px){:root{--sidebar:200px}.brand{font-size:20px;gap:9px}.brand small{font-size:12px;letter-spacing:1px}.sidebar{padding-left:13px;padding-right:13px}.topbar{padding:0 28px}.home-main,.page-main{padding-left:28px;padding-right:28px}.category-grid{grid-template-columns:repeat(3,1fr)}.category-card{position:relative;padding:18px}.category-icon{float:left;margin:0 14px 0 0}.category-card p{margin-bottom:13px}.category-tail{clear:both}.edition{display:none}.hero-caption{display:none}.hero-content{padding:30px}.hero h1{font-size:39px}.lower-grid{grid-template-columns:1fr 260px;gap:22px}.feature-body{padding:17px}.article-layout{grid-template-columns:minmax(0,1fr) 205px;gap:22px}}
@media(max-width:960px){:root{--sidebar:184px}.sidebar{padding-left:10px;padding-right:10px}.brand{font-size:18px;gap:7px}.brand-mark{width:35px;height:42px;font-size:24px}.brand small{font-size:12px}.nav-item{padding:11px 12px;font-size:13px;gap:10px}.home-main,.page-main{padding-left:22px;padding-right:22px}.topbar{padding:0 22px}.hero-content{padding:27px 25px}.hero h1{font-size:37px}.hero-search button{padding:9px 11px}.hero-search button span{display:none}.archive-strip>span{display:none}.archive-strip>div{width:100%;justify-content:space-between}.category-grid{gap:9px}.category-card{padding:15px 12px}.category-icon{float:none;margin-bottom:9px}.feature-grid{gap:12px}.feature-card>img{height:112px}.feature-body p{font-size:12px}.feature-meta>span{display:none}.lower-grid{grid-template-columns:1fr}.starter-panel{display:none}.article-layout{grid-template-columns:1fr}.article-aside{position:static;display:grid;grid-template-columns:1fr 1fr}.results-grid{grid-template-columns:1fr}.footer{flex-direction:column;gap:5px}.header-search>span:not([data-icon]){display:none}.article-header h1{font-size:26px}}
@media(max-width:700px){:root{--sidebar:224px}.sidebar{transform:translateX(-100%);transition:transform .25s;padding-top:27px;box-shadow:0 0 0 100vmax transparent}.sidebar.open{transform:translateX(0);box-shadow:0 0 0 100vmax #000a}.site-shell{margin-left:0}.brand{font-size:23px}.brand small{font-size:12px}.nav-item{font-size:14px}.menu-button{display:grid}.topbar{height:64px;padding:0 18px;gap:12px}.breadcrumbs{margin-right:auto;gap:10px;font-size:12px}.topbar-right{gap:0}.header-search kbd{display:none}.home-main,.page-main{padding:18px 16px 0}.hero{min-height:352px;background-position:62% center}.hero:before{background:linear-gradient(90deg,#132b24f7,#19382ea8),linear-gradient(0deg,#122e23b3,transparent)}.hero-content{padding:27px 21px}.hero h1{font-size:38px;letter-spacing:3px;margin-top:22px}.hero p{font-size:13px;line-height:1.9}.hero-search{margin-top:25px;padding-left:12px;gap:8px}.hero-search input{font-size:13px}.hero-search button{font-size:12px;padding:9px 10px}.hero-search>span svg{width:18px}.hot-search{font-size:12px;gap:11px}.hot-search>a:last-child{display:none}.hero-caption{display:none}.eyebrow{font-size:12px;letter-spacing:1.5px}.archive-strip{font-size:12px;padding:16px 0 19px}.archive-strip>div{gap:7px}.section{margin-top:25px}.section-heading{margin-bottom:15px}.section-heading h2{font-size:20px}.section-kicker{font-size:12px;letter-spacing:1.5px}.text-link{font-size:12px}.category-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.category-card{padding:17px 12px 11px}.category-icon{height:32px;width:32px}.category-card h3{font-size:15px;letter-spacing:0}.category-card p{font-size:12px;white-space:normal;line-height:1.8;margin-bottom:12px}.category-tail{font-size:12px;gap:2px}.feature-grid{grid-template-columns:1fr;gap:12px}.feature-card{display:grid;grid-template-columns:36% 1fr;min-height:148px}.feature-card>img{height:100%;min-height:148px;object-fit:cover}.feature-body{padding:14px 16px}.feature-body h3{font-size:20px;margin:6px 0}.feature-body p{font-size:12px}.feature-meta{padding-top:9px;margin-top:10px;font-size:12px}.tag{font-size:12px}.recent-row{grid-template-columns:67px 1fr;gap:10px;padding:16px 0}.recent-title{font-size:13px}.recent-date{display:none}.recent-category{font-size:12px}.footer{font-size:12px;margin-top:29px}.page-title{font-size:30px;margin-top:10px}.page-intro{font-size:14px}.filter-chip{font-size:13px;padding:6px 11px}.results-toolbar{font-size:12px;align-items:start}.results-toolbar select{font-size:12px;max-width:115px}.result-card{padding:19px}.result-card h2{font-size:17px}.result-card .tag{font-size:12px}.article-aside{grid-template-columns:1fr}.article-content{font-size:16px;line-height:1.9}.article-header h1{font-size:26px}.article-content table{min-width:530px}.article-content td img{max-width:380px}.article-meta{gap:10px;font-size:12px}.page-main>.footer{margin-top:30px}.back-top{right:12px;bottom:12px}.library-search input{font-size:14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}
@media print{.sidebar,.topbar,.article-aside,.footer,.back-top,.back-link{display:none}.site-shell{margin:0}.page-main{padding:0}.article-layout{display:block}:root{--bg:white;--text:black;--muted:#444;--line:#ddd;color-scheme:light}body,.article-content,.article-content strong{color:black;background:white}.article-content table{background:white;color:black}.article-content a{color:#16442a}.article-content img{max-height:80vh;object-fit:contain}.table-wrap{overflow:visible}.article-header h1{font-size:24px}}

/* Readable labels and interactive question archive. */
.hero p,.feature-body p,.starter-panel p,.result-card p,.aside-box a,.text-link,.filter-chip{font-size:14px}.category-card p{font-size:12px;white-space:normal}.hero-search input,.hero-search button,.header-search{font-size:14px}.category-tail,.feature-meta,.recent-category,.article-meta{font-size:12px}.question-tool label{display:block;margin-bottom:12px}#question-search{width:100%;border:1px solid #607d67;background:#192b20;padding:12px 16px;border-radius:6px;color:#e5eee7;margin:10px 0;font-size:16px}#question-status{color:#adbeaf;font-size:14px}#question-list{list-style:none;padding:0}#question-list li{border:1px solid #354a3c;background:#18231c;border-radius:7px;padding:18px;margin:12px 0}#question-list li[hidden]{display:none}[hidden]{display:none!important}
@media(max-width:700px){.category-card p{font-size:12px}.category-tail{font-size:12px}.category-card{padding-left:10px;padding-right:10px}.feature-body p{font-size:14px}.feature-meta{font-size:12px}.hero-search input{font-size:14px}.hero-search button{font-size:13px}.section-kicker{font-size:12px;letter-spacing:1px}.text-link{font-size:12px}.brand small{font-size:12px}}

.brand small{letter-spacing:.5px;white-space:nowrap}

/* The archive opens on its full directory, with granular topics one click away. */
.sidebar{padding-top:24px}.sidebar .brand{padding-bottom:20px}.sidebar .nav-item{padding-top:8px;padding-bottom:8px}.nav-item small{font-size:12px;margin-left:auto;color:#829689}.nav-group-label{color:#91a798;font-size:12px;letter-spacing:1px;border-top:1px solid var(--line);padding:17px 13px 7px;margin-top:10px}.nav-subtopics{border-left:1px solid #455f4b;margin:4px 12px 13px 23px;padding-left:13px}.nav-subtopics a{display:block;font-size:12px;color:#9cb2a3;padding:5px 0;line-height:1.6}.nav-subtopics a:hover,.nav-subtopics a[aria-current=page]{color:#d3edce}.sidebar-bottom{padding-top:20px}.portal-main{max-width:1530px;padding-top:26px}.portal-hero{display:flex;align-items:center;justify-content:space-between;gap:25px;background:linear-gradient(100deg,#1a3329f2,#1b332ce6),url(hero.jpg) center/cover;border:1px solid #3c5545;border-radius:10px;padding:25px 27px}.portal-hero h1{font-size:27px;letter-spacing:1px;line-height:1.5;font-weight:500}.portal-hero p{font-size:13px;color:#adc4b3;margin-top:8px}.portal-hero .hero-search{margin:0;width:46%;flex-shrink:0}.quick-panel{margin-top:20px;padding:19px 22px;background:var(--panel);border:1px solid var(--line);border-radius:8px}.quick-panel h2{font-size:15px;font-weight:500;margin-bottom:13px}.quick-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px 22px}.quick-links a{display:flex;justify-content:space-between;font-size:14px;color:#bfd8c6;padding:5px 0}.quick-links a:hover{color:#edffe4}.quick-links span{color:#788f7f}.schedule-panel{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));border:1px solid var(--line);border-radius:8px;overflow:hidden;margin-top:14px;background:#18221b}.schedule-panel a{display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:13px;padding:12px 5px;border-right:1px solid var(--line);gap:3px}.schedule-panel a:last-child{border:0}.schedule-panel small{font-size:12px;color:#90a997}.schedule-panel a:hover{background:#2a4230}.directory-heading{display:flex;justify-content:space-between;gap:20px;align-items:center;margin:32px 0 17px}.directory-heading h2{font-weight:500;font-size:22px;letter-spacing:.5px}.directory-heading p{font-size:14px;color:var(--muted);margin-top:6px}.directory-heading>a{font-size:14px;color:var(--accent);white-space:nowrap}.directory-heading>span{font-size:13px;color:var(--muted)}.category-jumps{display:flex;flex-wrap:wrap;gap:7px 8px;background:#18231c;border:1px solid var(--line);border-radius:8px;padding:15px}.category-jumps a{font-size:14px;padding:5px 12px;border-radius:4px;color:#b9cebf}.category-jumps a:hover{background:#34503b;color:#e2f5df}.portal-group{margin-top:30px}.portal-group>h2{font-size:15px;font-weight:500;letter-spacing:2px;color:#b5cdbb;margin-bottom:13px;display:flex;align-items:center;gap:15px}.portal-group>h2:after{content:"";height:1px;flex:1;background:var(--line)}.directory-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.directory-card{border:1px solid #34463a;background:#17221b;border-radius:8px;overflow:hidden;scroll-margin-top:25px}.directory-card>header{display:flex;align-items:center;gap:11px;padding:15px 18px;background:#213025;border-bottom:1px solid #34463a;flex-wrap:wrap}.directory-card>header>[data-icon]{color:#aacfaf}.directory-card h3{font-size:18px;font-weight:500;letter-spacing:.5px}.directory-count{font-size:12px;color:#8da492}.directory-entry{margin-left:auto;font-size:12px;color:#b4ceb8}.directory-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 16px;padding:12px 18px 16px}.directory-links>a{display:flex;align-items:center;justify-content:space-between;gap:6px;padding:7px 0;color:#bed0c2;font-size:14px;border-bottom:1px solid #29392e;line-height:1.6}.directory-links>a:hover{color:#e5f8df}.directory-links small{color:#778f7e;font-size:12px}.original-directory{margin-top:38px;border-top:1px solid var(--line)}.original-links-grid{columns:2;column-gap:28px}.original-links-grid>section{break-inside:avoid;border:1px solid var(--line);padding:16px 19px;border-radius:7px;margin-bottom:15px}.original-links-grid h3{font-size:16px;font-weight:500;color:#c5dcc9;margin-bottom:10px}.original-links-grid ul{list-style:none;padding:0;margin:0}.original-links-grid li{padding:5px 0;font-size:14px;line-height:1.85;color:#a7bfae}.original-links-grid a:hover{color:#e6f5de;text-decoration:underline}.library-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.filter-panel{border:1px solid #34463a;background:#17211b;padding:20px 22px;border-radius:9px}.filter-panel h2{font-size:14px;color:#b2c9b9;font-weight:500;margin:0 0 12px}.filter-panel .filter-row{border:0;padding:0;gap:7px}.filter-panel .filter-chip{font-size:14px;padding:7px 12px;background:#1c2a21}.filter-panel .filter-chip[aria-pressed=true]{background:#476c4e;color:#edf7e8;border-color:#89b58a}.topic-heading{display:flex;align-items:center;justify-content:space-between;gap:15px}.topic-heading h2{margin:0}.topic-heading>a{font-size:13px}.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:15px}#topic-panel{margin-top:22px;border-top:1px solid #34463a;padding-top:19px}.topic-chip{border:1px solid #354b3b;background:#1b2b21;border-radius:5px;display:flex;align-items:center;justify-content:space-between;padding:10px 12px;gap:10px;text-align:left;line-height:1.5;font-size:14px;color:#bdd1c2}.topic-chip small{font-size:12px;color:#a1b1a4}.topic-chip:hover,.topic-chip[aria-pressed=true]{background:#38553f;border-color:#89a78a;color:#eef7e8}.kind-panel{margin-top:20px;border-top:1px solid #34463a;padding-top:18px}.kind-filters{display:flex;gap:8px;flex-wrap:wrap}.kind-chip{font-size:13px;background:transparent;border:1px solid #354b3b;border-radius:5px;padding:6px 10px;color:#a9c0b0}.kind-chip small{font-size:12px;margin-left:5px;color:#8aa193}.kind-chip[aria-pressed=true],.kind-chip:hover{background:#324d3b;color:#e4f4df;border-color:#728e76}.topic-shortcuts{margin:18px 0 0;display:flex;gap:8px 18px;align-items:center;flex-wrap:wrap;border-left:3px solid #88b28b;padding:12px 15px;background:#1d2e22;font-size:14px}.topic-shortcuts strong{font-size:13px;color:#92b79b;font-weight:500}.topic-shortcuts a{color:#c4e2c7}.topic-shortcuts a:hover{text-decoration:underline}.result-tags{display:flex;align-items:center;gap:12px}.result-tags>span:last-child{font-size:12px;color:#94ae9c}.result-tags .tag{font-size:12px}.search-scope{font-size:12px;margin-top:6px;color:#9dae9f}.search-scope button{color:#c2e6bc;font-size:13px;padding:0;border:0;background:transparent;text-decoration:underline;text-underline-offset:4px}.empty-state button{margin-top:20px}.article-topic-box a{font-size:14px}.article-aside{max-height:calc(100vh - 48px);overflow:auto}.result-card h2{font-size:18px}.result-card p{font-size:14px}
@media(max-width:1250px){.portal-hero{flex-direction:column;align-items:stretch;gap:15px}.portal-hero .hero-search{width:100%;max-width:none}.schedule-panel{grid-template-columns:repeat(4,1fr)}.schedule-panel a:nth-child(-n+4){border-bottom:1px solid var(--line)}.schedule-panel a:nth-child(4){border-right:0}.directory-links{padding:10px 14px 14px;gap:2px 10px}.directory-card>header{padding:14px}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.quick-links{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:960px){.directory-grid{grid-template-columns:1fr}.original-links-grid{columns:1}.directory-heading{align-items:start}.directory-heading h2{font-size:20px}.directory-heading p{font-size:13px}.article-aside{max-height:none;overflow:visible}.library-heading{align-items:start}.library-heading>.text-link{font-size:12px}.filter-panel{padding:17px}.portal-hero h1{font-size:25px}.sidebar .nav-item{font-size:14px}}
@media(max-width:700px){.portal-main{padding-top:16px}.portal-hero{padding:21px 19px;gap:16px}.portal-hero h1{font-size:24px}.portal-hero p{font-size:12px}.portal-hero .hero-search{margin:0}.quick-panel{padding:16px}.quick-panel h2{font-size:15px}.quick-links{gap:7px 14px}.quick-links a{font-size:13px}.schedule-panel a{font-size:12px;padding:10px 3px}.directory-heading{gap:12px}.directory-heading>a{font-size:12px;white-space:normal;max-width:92px}.category-jumps{padding:10px;gap:4px}.category-jumps a{padding:6px 9px;font-size:13px}.portal-group{margin-top:24px}.directory-card h3{font-size:18px}.directory-card>header{gap:9px;padding:13px 15px}.directory-links{gap:2px 13px;padding:10px 15px 14px}.directory-links>a{font-size:14px}.directory-entry{font-size:12px}.original-links-grid>section{padding:15px}.original-links-grid li{font-size:14px}.filter-panel{padding:15px 12px}.filter-panel .filter-chip{font-size:13px;padding:7px 10px}.topic-grid{grid-template-columns:1fr 1fr;gap:7px}.topic-chip{font-size:13px;padding:9px;gap:5px}.topic-heading>a{font-size:12px}.kind-chip{font-size:13px}.topic-shortcuts{font-size:13px}.result-tags{flex-wrap:wrap;gap:5px 10px}.results-toolbar>div{min-width:0;flex:1}.results-toolbar>label{flex-shrink:0}.sidebar .brand{font-size:22px}.library-heading>.text-link{max-width:72px}.page-title{font-size:27px}.article-aside{max-height:none}.portal-group>h2{font-size:15px}}

/* Stable navigation geometry before and after scripts initialize. */
html{scrollbar-gutter:stable}.sidebar{scrollbar-gutter:stable;overflow-anchor:none}.sidebar .nav-item>[data-icon]{display:inline-flex;align-items:center;justify-content:center;flex:0 0 19px;width:19px;height:19px}.sidebar .nav-item{min-height:39px}
.search-dialog{width:min(600px,calc(100% - 32px));max-height:calc(100dvh - 48px);margin:12vh auto auto;padding:24px;border:1px solid #597660;border-radius:12px;background:#18251e;color:var(--text);box-shadow:0 24px 80px #0008}.search-dialog::backdrop{background:#07100bcc}.search-dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}.search-dialog h2{font-size:21px;font-weight:500}.search-dialog .hero-search{max-width:none;margin-top:20px}.search-dialog input{font-size:16px}.search-dialog>p{font-size:12px;color:var(--muted);margin-top:14px}.search-dialog .icon-button{font-size:25px;line-height:1}.search-dialog .hero-search:focus-within{outline:2px solid var(--accent);outline-offset:3px}@media(max-width:700px){.search-dialog{padding:19px;margin-top:9vh}}

/* The sidebar owns primary categories; content starts with detailed filters. */
.filter-panel #topic-panel{margin-top:0;padding-top:0;border-top:0}.filter-panel #topic-panel[hidden]+.kind-panel{margin-top:0;padding-top:0;border-top:0}

/* Give reference tables the full reading area instead of a narrow side column. */
@media screen {
  body[data-page=article] .page-main{max-width:none}
  body[data-page=article] .article-layout{grid-template-columns:minmax(0,1fr)}
  body[data-page=article] .article-aside{position:static;max-height:none;overflow:visible;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-content .wide-table{min-width:var(--table-min-width,1000px)}
  .article-content .table-date{white-space:nowrap;overflow-wrap:normal}
  .table-wrap{overscroll-behavior-x:contain}
}
@media screen and (min-width:961px){body[data-page=article] .page-main{padding-left:28px;padding-right:28px}}
@media screen and (max-width:700px){body[data-page=article] .article-aside{grid-template-columns:minmax(0,1fr)}}