:root{color-scheme:light;--paper:#f7f6f2;--surface:#fffefa;--ink:#292b25;--muted:#66695f;--line:#dedfd6;--soft:#edeee7;--red:#a83d30;--selected:#efe4dd;--olive:#4f6546;--sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;--serif:"Iowan Old Style","Songti SC","STSong",serif;--mono:"SFMono-Regular",Consolas,monospace}
*{box-sizing:border-box}html{scroll-padding-top:20px}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.85 var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select{color:inherit;font:inherit}button,a,select,summary{touch-action:manipulation;-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:0;background:none}button:active{transform:translateY(1px)}button:focus-visible:active{transform:none}:focus-visible{outline:2px solid var(--red);outline-offset:4px}main:focus{outline:none}h1,h2,h3,p{margin:0;text-wrap:pretty}svg{height:19px;width:19px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;vertical-align:middle;flex-shrink:0}
.page-shell{max-width:1280px;width:calc(100% - 96px);margin:auto}.skip-link{position:fixed;top:-90px;left:20px;padding:8px 16px;background:var(--ink);color:var(--surface);z-index:30}.skip-link:focus{top:10px}.masthead{min-height:87px;display:flex;align-items:center;gap:20px}.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}.brand-mark{color:var(--red);display:grid;place-items:center}.brand-mark svg{height:36px;width:36px;stroke-width:1.4}.mark-dot{fill:currentColor;stroke:none}.brand strong{font-size:25px;font-weight:750;line-height:1.3}.edition{margin-left:auto;font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums}.main-nav{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:24px}.nav-links{display:flex;gap:30px;overflow-x:auto;scrollbar-width:none}.nav-links::-webkit-scrollbar{display:none}.nav-links a{display:flex;align-items:center;min-height:51px;font-size:16px;color:var(--muted);white-space:nowrap;position:relative}.nav-links a.active{color:var(--red);font-weight:650}.nav-links a.active:after{content:"";height:2px;position:absolute;left:0;right:0;bottom:0;background:var(--red)}main{min-height:70vh}
.reading-layout{display:grid;grid-template-columns:195px minmax(0,1fr);gap:42px;padding-top:28px;align-items:start}.source-sidebar{position:sticky;top:24px;padding-top:6px}.sidebar-heading{font-size:14px;color:var(--muted);display:flex;justify-content:space-between;align-items:center;padding:0 10px 14px}.sidebar-heading span{font-size:12px;font-variant-numeric:tabular-nums}.source-button{display:flex;width:100%;align-items:center;justify-content:space-between;gap:14px;padding:10px;min-height:46px;margin:3px 0;text-align:left;font-size:14px;border-radius:3px;line-height:1.65}.source-button.active{background:var(--selected);color:var(--red);font-weight:650}.source-button span{font-size:12px;color:var(--muted);font-weight:400;font-variant-numeric:tabular-nums}.sidebar-footer{margin:20px 10px 0;border-top:1px solid var(--line);padding-top:14px;display:flex;justify-content:space-between;color:var(--muted);font-size:13px;min-height:44px}.content-column{min-width:0}.feed-heading,.page-heading{display:flex;justify-content:space-between;align-items:baseline;gap:18px;padding-bottom:19px}.feed-heading h1,.page-heading h1{font-size:28px;line-height:1.5;font-weight:700}.result-count{font-size:14px;color:var(--muted);white-space:nowrap}
.filter-form{border-bottom:1px solid var(--line);padding-bottom:16px}.search-row{display:flex;gap:12px;align-items:center}.search-box{display:flex;align-items:center;gap:10px;min-width:0;flex:1;height:46px;background:var(--soft);padding:0 13px;border-radius:3px}.search-box svg{width:17px;height:17px;color:var(--muted)}.search-box input{min-width:0;width:100%;height:100%;border:0;outline:0;background:transparent;font-size:16px}.search-box:focus-within{box-shadow:inset 0 0 0 1px var(--muted)}.filter-panel{position:relative;font-size:14px}.filter-panel summary{cursor:pointer;list-style:none;display:flex;gap:7px;align-items:center;min-height:44px;padding:0 10px;color:var(--muted)}.filter-panel summary::-webkit-details-marker{display:none}.filter-panel summary svg{width:14px;height:14px}.filter-panel[open] summary{color:var(--red)}.filter-controls{position:absolute;top:calc(100% + 7px);right:0;width:290px;padding:18px;background:var(--surface);box-shadow:0 4px 20px #292b251a;z-index:10;border:1px solid var(--line);border-radius:3px}.filter-controls label{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--muted);font-size:13px;margin-bottom:12px}.select{height:42px;border:1px solid var(--line);background:var(--surface);border-radius:3px;padding:0 25px 0 10px;font-size:14px;min-width:135px;max-width:190px}.toggle-unread{display:flex;gap:9px;align-items:center;min-height:40px;font-size:13px;color:var(--muted)}.toggle-unread input{accent-color:var(--red);width:15px;height:15px}.filter-reset{color:var(--red);min-height:40px;font-size:13px;padding:0}.mobile-source{display:none}.topic-row{display:flex;flex-wrap:wrap;gap:5px;margin-top:11px}.topic-button{min-height:40px;padding:0 10px;font-size:13px;color:var(--muted);border-radius:3px}.topic-button.active{background:var(--selected);color:var(--red);font-weight:650}.active-risk{display:flex;align-items:center;gap:8px;color:var(--red);font-size:13px;margin-top:10px}
.day-label{display:flex;align-items:baseline;gap:9px;padding:24px 0 10px;font-size:16px;line-height:1.5;font-weight:600}.day-label .year{font-size:13px;color:var(--muted);font-weight:400}.day-label .date-rule{flex:1;height:1px;background:var(--line);align-self:center;margin:0 4px}.day-label .day-count{font-size:13px;color:var(--muted);font-weight:400}.news-item{padding:22px 0 24px;border-bottom:1px solid var(--line)}.item-meta{display:flex;align-items:center;flex-wrap:wrap;gap:9px;color:var(--muted);font-size:13px;line-height:1.8;margin-bottom:8px}.source-dot{width:5px;height:5px;background:var(--olive);flex-shrink:0}.kind{color:var(--olive)}.kind.incident{color:var(--red)}.kind.advisory{color:#7c602f}.news-title{font-size:23px;line-height:1.6;font-weight:650}.news-item.is-read .news-title{color:#61645a}.news-summary{font-size:17px;line-height:1.9;color:#55594f;margin-top:10px}.news-footer{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px 20px;margin-top:14px}.item-tags{display:flex;flex-wrap:wrap;gap:7px}.tag{color:var(--muted);font-size:12px}.tag+.tag:before{content:"/";color:#a6aa9e;padding-right:7px}.article-links{display:flex;align-items:center;gap:17px}.article-links a,.text-link{font-size:14px;color:var(--red);min-height:40px;display:inline-flex;gap:6px;align-items:center}.article-links svg,.text-link svg{width:14px;height:14px}.compilation-label{color:var(--muted);font-size:12px}.results-caption{font-size:13px;color:var(--muted);text-align:center;padding:28px 0}.empty-state{padding:60px 0;text-align:center}.empty-state h2{font-size:22px;font-weight:600}.empty-state p{font-size:15px;color:var(--muted);margin-top:10px}.outline-button{display:inline-flex;min-height:42px;align-items:center;gap:8px;border:1px solid var(--line);padding:0 14px;font-size:14px;border-radius:3px}.empty-state .outline-button{margin-top:20px}.loading-state,.noscript{padding:50px 0;color:var(--muted)}.toast{position:fixed;bottom:22px;left:50%;opacity:0;transform:translate(-50%,8px);padding:10px 20px;color:var(--surface);background:var(--ink);font-size:14px;pointer-events:none;border-radius:3px;transition:opacity .15s ease-out,transform .15s ease-out;z-index:40;max-width:calc(100% - 32px)}.toast.visible{opacity:1;transform:translate(-50%,0)}
.page-heading{padding-top:28px;padding-bottom:23px;border-bottom:1px solid var(--line)}.source-tools{display:flex;align-items:center;gap:25px;justify-content:space-between;margin:22px 0 28px}.source-tools .search-box{max-width:460px}.source-tools>span{font-size:13px;color:var(--muted)}.source-group-heading{font-size:20px;padding-bottom:14px;border-bottom:1px solid var(--line);display:flex;gap:12px;align-items:center}.source-group-heading small{font-size:13px;color:var(--muted);font-weight:400}.source-group{margin:28px 0 35px}.source-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}.source-entry{padding:24px 0;border-bottom:1px solid var(--line);min-width:0}.source-entry-header{display:flex;align-items:baseline;flex-wrap:wrap;justify-content:space-between;gap:5px 16px}.source-entry h3{font-size:19px;line-height:1.6}.method-label{font:12px var(--mono);color:var(--muted)}.source-entry p{font-size:16px;color:var(--muted);margin:9px 0}.source-status{font-size:12px;color:var(--olive)}.source-status.reference{color:var(--muted)}.source-entry-links{display:flex;flex-wrap:wrap;gap:6px 20px;margin-top:7px}.source-entry-links a{min-height:40px;display:inline-flex;gap:5px;align-items:center;font-size:14px;color:var(--red)}.source-entry-links svg{width:14px;height:14px}.source-details summary{min-height:40px;font-size:13px;color:var(--muted);cursor:pointer;padding-top:7px}.source-details p{font-size:14px}
.back-row{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:19px 0;border-bottom:1px solid var(--line)}.back-link{display:flex;align-items:center;gap:8px;min-height:42px;font-size:14px;color:var(--muted)}.detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:64px;padding:30px 0}.detail-main{min-width:0}.detail-main h1{font-size:34px;line-height:1.55;font-weight:650;margin:12px 0 17px}.detail-id{font:13px/1.8 var(--mono);color:var(--muted);overflow-wrap:anywhere;margin-top:12px}.detail-deck{font-size:18px;line-height:1.95;margin:25px 0}.evidence-box{padding:22px;background:var(--soft);border-radius:3px;margin:25px 0}.evidence-box h2{font-size:16px;font-weight:650;margin-bottom:10px}.evidence-box p{font-size:16px;color:#55594f;line-height:1.9}.detail-section{border-top:1px solid var(--line);padding:22px 0}.detail-section h2{font-size:17px;margin-bottom:12px}.detail-section p{font-size:17px;color:#55594f;line-height:1.9}.reference-link{display:block;padding:14px 0;color:var(--red);overflow-wrap:anywhere}.reference-link strong{display:block;font-size:16px;font-weight:550}.reference-link span{display:block;color:var(--muted);font-size:12px;margin-top:5px}.pdf-reference{font-size:14px!important;margin-top:13px}.detail-rail h2{font-size:15px;padding-bottom:13px;border-bottom:1px solid var(--line)}.detail-dl{margin:0}.detail-dl>div{border-bottom:1px solid var(--line);padding:12px 0}.detail-dl dt{color:var(--muted);font-size:12px;margin-bottom:3px}.detail-dl dd{margin:0;font-size:15px}.related-section{margin-top:15px}.related-section>h2{font-size:19px;border-bottom:1px solid var(--line);padding-bottom:12px}.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}.related-item{padding:20px 0}.related-item h3{font-size:18px;line-height:1.7}
@media(hover:hover){a:hover{color:var(--red)}.source-button:not(.active):hover,.topic-button:not(.active):hover{background:var(--soft)}}
@media(max-width:1100px){.page-shell{width:calc(100% - 64px)}.reading-layout{grid-template-columns:175px minmax(0,1fr);gap:30px}.source-button{font-size:13px}.detail-layout{gap:35px;grid-template-columns:minmax(0,1fr) 210px}}
@media(max-width:760px){.page-shell{width:calc(100% - 40px)}.masthead{min-height:76px}.brand strong{font-size:24px}.brand-mark svg{width:31px;height:31px}.edition{font-size:12px}.main-nav{gap:14px}.nav-links{gap:25px}.nav-links a{font-size:15px;min-height:48px}.reading-layout{grid-template-columns:1fr;gap:0;padding-top:23px}.source-sidebar{display:none}.feed-heading{padding-bottom:17px}.feed-heading h1,.page-heading h1{font-size:26px}.result-count{font-size:13px}.search-box{height:44px;padding:0 11px}.search-row{flex-wrap:wrap;gap:9px}.mobile-source{display:block;min-width:0;flex-basis:calc(100% - 80px)}.mobile-source .select{min-width:0;max-width:190px;width:100%;font-size:13px}.filter-panel summary{font-size:13px;padding:0 6px}.filter-panel{margin-left:auto}.search-box{flex-basis:100%}.filter-controls{right:0;width:270px}.topic-row{gap:3px;margin-top:10px}.topic-button{padding:0 8px;font-size:12px;min-height:40px}.day-label{font-size:15px;padding-top:22px}.day-label .year,.day-label .day-count{font-size:12px}.news-item{padding:18px 0 23px}.news-title{font-size:21px;line-height:1.7}.news-summary{font-size:17px;line-height:1.9}.item-meta{font-size:12px;gap:7px}.tag{font-size:11px}.article-links a{font-size:13px}.news-footer{gap:4px 15px}.source-grid{grid-template-columns:1fr}.source-tools{flex-direction:column;align-items:flex-start;gap:15px}.source-tools .search-box{min-height:44px;width:100%;max-width:none;flex-basis:auto}.source-tools>span{font-size:12px}.source-entry h3{font-size:18px}.detail-layout{grid-template-columns:1fr;gap:25px;padding-top:24px}.detail-main h1{font-size:29px;line-height:1.6}.detail-deck{font-size:18px}.detail-section p{font-size:17px}.detail-rail{padding-top:4px}.detail-dl{display:grid;grid-template-columns:1fr 1fr;column-gap:24px}.detail-dl dd{font-size:14px}.related-grid{grid-template-columns:1fr;gap:0}.back-row{padding:14px 0}.back-link,.outline-button{font-size:13px}}
@media(max-width:370px){.page-shell{width:calc(100% - 30px)}.brand strong{font-size:22px}.brand-mark svg{width:28px;height:28px}.edition{font-size:11px}.nav-links{gap:22px}.nav-links a{font-size:14px}.news-title{font-size:20px}.detail-main h1{font-size:27px}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.news-item h2{font-size:inherit;line-height:1.6}.news-title{display:block}.day-label{padding:18px 0 4px}.news-item{padding-top:16px}
@media(max-width:760px){.topic-row{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}.topic-row::-webkit-scrollbar{display:none}.topic-button{flex-shrink:0}.day-label{padding-top:18px}.news-item{padding-top:14px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation:none!important}button:active{transform:none}}

.detail-sources{margin:18px 0;padding:12px 0;border-bottom:1px solid var(--line)}.detail-sources h2{font-size:14px;font-weight:600;color:var(--muted);margin-bottom:4px}.detail-sources .reference-link{padding:6px 0;line-height:1.7}.detail-sources .reference-link strong{font-size:16px}.detail-sources .reference-link span{margin-top:2px}.detail-sources .pdf-reference{margin-top:8px}

/* Source map: the category panels and buttons remain usable without the SVG. */
.source-tools{margin:24px 0 32px;gap:16px}.source-tools .search-box{max-width:460px}.source-search-count:empty{display:none}
.source-map{position:relative;display:grid;grid-template-columns:180px minmax(0,1fr);column-gap:90px;align-items:center;margin:0 0 40px}
.source-connections{position:absolute;inset:0;width:100%;height:100%;stroke:var(--line);stroke-width:1.6;pointer-events:none;overflow:visible;z-index:0}
.source-connections path{fill:none;vector-effect:non-scaling-stroke}.source-connections path.is-selected{stroke:var(--red);stroke-width:1.8}
.source-hub,.source-category{position:relative;z-index:1;background:var(--surface);border:1px solid var(--line);border-radius:18px}
.source-hub{padding:28px 14px;text-align:center;border-color:#bec0b5;box-shadow:0 0 0 5px #edeee780}
.source-hub-count{display:flex;align-items:baseline;justify-content:center;gap:9px;line-height:1.4}.source-hub-count strong{font-size:40px;letter-spacing:-1px;font-weight:650;font-variant-numeric:tabular-nums}.source-hub-count>span{font-size:18px}.source-hub-caption{display:block;font-size:14px;color:var(--muted);margin-top:8px}
.source-branches{display:grid;gap:16px;min-width:0}.source-category{padding:17px 20px 18px;min-width:0}.source-category.is-selected{border-color:#bf8c7f}
.source-category h2{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:650;line-height:1.5;margin-bottom:11px}.source-category h2 span{color:var(--muted);font-size:14px;font-weight:400;font-variant-numeric:tabular-nums}
.source-members{display:flex;flex-wrap:wrap;gap:8px}.source-node{display:inline-flex;align-items:center;min-width:0;max-width:100%;min-height:44px;padding:8px 14px;border:1px solid var(--line);border-radius:10px;font-size:17px;line-height:1.55;text-align:left;overflow-wrap:anywhere;background:var(--paper)}
.source-node.is-selected{color:var(--red);background:var(--selected);border-color:#bf8c7f}.source-node:active{transform:none}
.source-detail{border-top:1px solid var(--line);padding:26px 0 40px;scroll-margin-top:24px}.source-detail-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.source-detail-heading>div{min-width:0}.source-detail h2{font-size:26px;line-height:1.5;font-weight:650;overflow-wrap:anywhere;margin:3px 0 12px}.source-detail h2:focus{outline:none}.source-detail h2:focus-visible{outline:2px solid var(--red)}
.source-close{display:grid;place-items:center;flex-shrink:0;width:44px;height:44px;border:1px solid var(--line);border-radius:50%;font-size:26px;line-height:1;color:var(--muted)}.source-description{font-size:17px;max-width:780px;color:var(--muted)}
.source-detail .source-entry-links{margin:12px 0 10px;gap:4px 24px}.source-detail .source-entry-links a,.source-zero{min-height:44px;font-size:16px;display:inline-flex;align-items:center}.source-zero{color:var(--muted)}.source-detail .source-status{font-size:14px}.source-detail .source-details{margin-top:8px;max-width:780px}.source-detail .source-details summary{font-size:16px;min-height:44px;display:list-item;padding:6px 0;line-height:2;list-style-position:inside}.source-detail .source-details p{font-size:16px;color:var(--muted);margin-top:6px}
@media(hover:hover){.source-node:not(.is-selected):hover{background:var(--soft);border-color:#b8bbaf}.source-close:hover{color:var(--red);border-color:#bf8c7f}}
@media(max-width:959px){.source-map{grid-template-columns:32px minmax(0,1fr);column-gap:8px;row-gap:24px;align-items:start}.source-hub{grid-column:2;width:100%;padding:18px 14px;box-shadow:none}.source-hub-count strong{font-size:34px}.source-hub-caption{margin-top:3px}.source-branches{grid-column:2;gap:14px}.source-category{padding:16px;border-radius:16px}.source-members{gap:8px}.source-node{font-size:17px;padding:8px 12px}.source-category h2{font-size:20px}}
@media(max-width:760px){.source-tools{flex-direction:row;align-items:center;flex-wrap:wrap;margin:22px 0 26px;gap:8px}.source-tools .search-box{flex-basis:100%}.source-tools .source-search-count{font-size:14px}.source-map{margin-bottom:30px}.source-detail h2{font-size:23px}.source-detail{padding-top:22px}.source-detail .source-entry-links{gap:0 20px}}
.detail-main{overflow-wrap:anywhere}.package-entry{padding:14px 0;border-bottom:1px solid var(--line)}.package-entry:last-child{border-bottom:0;padding-bottom:0}.package-entry h3{font:600 16px/1.8 var(--mono);overflow-wrap:anywhere}.package-entry h3 span{font:12px var(--sans);font-weight:400;color:var(--muted)}.package-versions{margin:10px 0 0}.package-versions>div{display:grid;grid-template-columns:88px minmax(0,1fr);gap:12px;margin-top:6px}.package-versions dt{font-size:14px;color:var(--muted)}.package-versions dd{margin:0;font:14px/1.9 var(--mono);overflow-wrap:anywhere}.preconditions{margin:0;padding-left:1.3em;font-size:17px;color:#55594f}.preconditions li+li{margin-top:8px}.detail-dl dd{overflow-wrap:anywhere}