/* Hallmark · genre: editorial · macrostructure: Catalogue / Long Document · design-system: design.md · designed-as-app
 * pre-emit critique: P4 H4 E4 S4 R5 V4 · user constraints: pure white, Chinese system fonts, established brand
 */
/* BEGIN inlined tokens.css: keep definitions synchronized with tokens.css. */
:root{
  --color-paper:oklch(1 0 0);
  --color-ink:oklch(.26 .035 258);
  --color-muted:oklch(.51 .026 258);
  --color-accent:oklch(.49 .148 258);
  --color-accent-hover:oklch(.41 .13 258);
  --color-rule:oklch(.90 .012 258);
  --color-success:oklch(.48 .07 155);
  --font-body:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --font-display:var(--font-body);
  --font-code:ui-monospace,SFMono-Regular,Consolas,monospace;
  --space-2xs:4px;--space-xs:8px;--space-sm:12px;--space-md:16px;
  --space-lg:24px;--space-xl:32px;--space-2xl:40px;--space-3xl:48px;--space-4xl:64px;--space-5xl:80px;
  --text-meta:13px;--text-small:14px;--text-summary:15px;--text-body:18px;--text-row:21px;
  --radius-control:4px;--ease-out:cubic-bezier(.16,1,.3,1);--dur-short:120ms;
}
/* END inlined tokens.css */
html,body{overflow-x:clip}
:root{--ink:var(--color-ink);--muted:var(--color-muted);--blue:var(--color-accent);--line:var(--color-rule);font-family:var(--font-body)}
a{transition:color var(--dur-short) var(--ease-out)}
a:active{color:var(--color-accent-hover)}
button:active,.button:active{filter:brightness(.92)}
button:disabled,.button[aria-disabled=true]{opacity:.5;cursor:default}
h1,h2,h3{min-width:0;overflow-wrap:anywhere;font-family:var(--font-display);font-style:normal}
.header-row{min-height:88px}
.main-nav{font-weight:500;font-size:14px;gap:var(--space-lg)}
.main-nav a,.region-nav a,.feed-tabs a,.footer-row nav a{white-space:nowrap}
.main-nav a{padding-block:var(--space-xs)}
.main-nav a[aria-current]{color:var(--color-accent);font-weight:600}
.content-grid{grid-template-columns:minmax(0,1fr) 244px;padding-top:var(--space-xl);gap:var(--space-2xl)}
.feed-heading{padding-bottom:var(--space-md);align-items:baseline}
.feed-heading h1{font-size:24px;font-weight:600;letter-spacing:-.4px}
.feed-heading h1::before{content:none}
.feed-tabs{font-size:var(--text-meta);gap:var(--space-lg)}
.article-row{display:block;padding:var(--space-lg) 0}
.article-row.with-thumb{display:grid;grid-template-columns:minmax(0,1fr) 104px;gap:var(--space-lg)}
.with-thumb .row-copy{grid-column:1;grid-row:1}
.with-thumb .article-thumb{grid-column:2;grid-row:1}
.article-thumb{height:80px;align-self:start;margin-top:var(--space-xs)}
.article-thumb img{padding:var(--space-xs)}
.article-thumb[hidden]{display:none}
.row-copy h2{font-size:var(--text-row);font-weight:600;line-height:1.6;margin:0 0 var(--space-xs);letter-spacing:-.3px}
.row-copy>p{font-size:var(--text-summary);line-height:1.8;margin:0 0 var(--space-sm);color:var(--color-muted)}
.row-meta{font-size:var(--text-meta);gap:var(--space-xs);color:var(--color-muted)}
.row-meta a{color:var(--color-muted)}
.row-meta a:hover{color:var(--color-accent)}
.pinned{font-size:12px;margin-right:var(--space-xs);vertical-align:1px}
.side-section{margin-bottom:var(--space-2xl)}
.side-section h2{font-size:16px;font-weight:600;margin-bottom:var(--space-md)}
.section-top{align-items:baseline}
.section-top>a{margin-bottom:var(--space-md)}
.topic-links li,.side-links li{margin:var(--space-sm) 0;font-size:var(--text-small);line-height:1.8}
.topic-links a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:clip}
.side-more{display:inline-block;color:var(--color-accent);font-size:var(--text-meta);margin-top:var(--space-sm)}
.provider-links{gap:var(--space-md) var(--space-lg);font-size:var(--text-small)}
.provider-links a{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.article-grid{grid-template-columns:minmax(0,1fr) 244px;gap:var(--space-2xl)}
.article-grid>main{max-width:820px}
.sidebar-ad{display:block;margin-bottom:var(--space-sm)}
.sidebar-ad img{display:block;width:100%;height:60px;object-fit:contain}
.article-header h1{font-size:32px;font-weight:600;line-height:1.55;letter-spacing:-.5px}
.article-summary{color:var(--color-muted);font-size:16px;margin-bottom:var(--space-md)}
.article-header{padding-bottom:var(--space-sm);margin-bottom:var(--space-xl)}
.prose{font-family:var(--font-body);font-size:var(--text-body);line-height:1.9}
.prose h2{font-weight:600;margin-top:var(--space-2xl);margin-bottom:var(--space-md)}
.prose h3{font-weight:600}
.prose code{font-family:var(--font-code)}
.prose pre{border-color:var(--color-rule);padding:var(--space-lg)}
.purchase{border:0;padding:var(--space-xl) 0;gap:var(--space-lg)}
.purchase strong{font-size:18px;font-weight:600}
.purchase p{font-size:var(--text-small);color:var(--color-muted)}
.button:hover{background:var(--color-accent-hover)}
.related{margin-top:var(--space-3xl);padding-top:0}
.related h2{font-size:20px;font-weight:600}
.table-scroll th,.table-scroll td{font-size:15px;padding:var(--space-sm) var(--space-md)}
.table-scroll th{color:var(--color-ink)}
.site-footer{padding:var(--space-xl) 0}
.footer-name{display:inline-flex;align-items:center}
.footer-name img{width:164px;height:auto;display:block}
.footer-row p,.footer-row nav{font-size:var(--text-meta);color:var(--color-muted)}
@media(max-width:1100px){
 .content-grid{gap:var(--space-xl)}
 .article-grid{gap:var(--space-xl)}
}
@media(max-width:900px){
 .content-grid{display:block;max-width:760px}
 .content-grid>.sidebar{display:none}
}
@media(max-width:767px){
 .header-row{min-height:80px}
 .menu-toggle{min-height:44px;padding:var(--space-xs) var(--space-sm);font-size:13px}
 .main-nav{gap:var(--space-xs) var(--space-lg);padding:var(--space-sm) 0 var(--space-md)}
 .main-nav a{min-height:40px;display:inline-flex;align-items:center}
 .region-nav{font-size:13px;gap:var(--space-sm) var(--space-md)}
 .content-grid{padding-top:var(--space-lg)}
 .feed-heading{gap:var(--space-sm);padding-bottom:var(--space-sm)}
 .feed-heading h1{font-size:22px}
 .feed-tabs{gap:var(--space-md);font-size:12px}
 .article-row{padding:var(--space-lg) 0}
 .article-row.with-thumb{grid-template-columns:minmax(0,1fr) 72px;gap:var(--space-md)}
 .article-thumb{height:60px;margin-top:var(--space-xs)}
 .article-thumb img{padding:var(--space-2xs)}
 .row-copy h2{font-size:18px;line-height:1.65;margin-bottom:var(--space-xs)}
 .with-thumb .row-copy h2{font-size:17px}
 .row-copy>p{font-size:var(--text-small);line-height:1.8;margin-bottom:var(--space-sm)}
 .row-meta{font-size:12px;gap:var(--space-xs)}
 .pinned{font-size:11px}
 .article-header h1{font-size:26px}
 .article-header{margin-bottom:var(--space-lg)}
 .prose{font-size:17px}
 .purchase{padding:var(--space-lg) 0;align-items:flex-start}
 .table-scroll th,.table-scroll td{font-size:14px}
 .footer-row nav{gap:var(--space-md) var(--space-lg)}
}
@media(prefers-reduced-motion:reduce){a{transition:none}}

/* Header layout requested by the user: brand + three banners, navigation underneath. */
.site-header{border-bottom:0}
.header-row{min-height:96px;gap:var(--space-3xl);justify-content:space-between}
.header-ads{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-md);width:min(960px,calc(100% - 264px));margin-left:auto}
.header-ads a{display:block;min-width:0}
.header-ads img{display:block;width:100%;height:auto}
.navigation-row{display:flex;align-items:center;justify-content:space-between;gap:var(--space-lg);min-height:56px;border-top:1px solid var(--color-accent)}
.main-nav{flex:none;font-size:15px;font-weight:600;gap:var(--space-lg)}
.region-nav{min-height:44px;padding:0;margin-left:auto;justify-content:flex-end;gap:var(--space-md);font-size:12px;flex-wrap:wrap}
.navigation-ad{display:block;margin-top:var(--space-sm)}
.navigation-ad a,.navigation-ad picture{display:block}
.navigation-ad img{display:block;width:100%;height:auto}
@media(max-width:1100px){
 .navigation-row{flex-wrap:wrap;gap:0;padding-bottom:var(--space-xs)}
 .region-nav{width:100%;min-height:40px}
 .header-ads{width:calc(100% - 264px);gap:var(--space-xs)}
}
@media(max-width:900px){
 .header-row{min-height:0;flex-wrap:wrap;gap:var(--space-md);padding:var(--space-md) 0 var(--space-xs)}
 .header-ads{display:flex;width:100%;margin:0;gap:var(--space-sm);overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:thin;padding-bottom:var(--space-xs)}
 .header-ads a{flex:0 0 min(320px,100%);scroll-snap-align:start}
 .navigation-row{display:block;padding:0 0 var(--space-xs)}
 .main-nav{font-size:14px;gap:var(--space-xs) var(--space-lg);padding:var(--space-xs) 0}
 .main-nav.open{display:flex}
 .region-nav{justify-content:flex-end;margin:0;min-height:44px;padding:var(--space-sm) 0;font-size:13px;gap:var(--space-sm) var(--space-md)}
}

@media(max-width:767px){.region-nav{justify-content:flex-start}}

/* Text promotions below the navigation banner, grouped into four-row columns. */
.text-ads{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));grid-template-rows:repeat(4,auto);grid-auto-flow:column;gap:10px 24px;padding:22px 0 4px;font-size:14px;line-height:1.65}
.text-ads a{min-width:0;overflow-wrap:anywhere;text-decoration:none;align-self:start}
.text-ads .text-ad-blue{color:#2458d3}
.text-ads .text-ad-red{color:#cf252d;font-weight:600}
.text-ads .text-ad-ink{color:#30343b}
.text-ads a:hover{text-decoration:underline;text-underline-offset:4px}
.text-ads a:focus-visible{outline:2px solid currentColor;outline-offset:4px;border-radius:2px}
@media(max-width:1100px){.text-ads{grid-template-columns:repeat(4,minmax(0,1fr));grid-template-rows:repeat(6,auto);column-gap:20px}}
@media(max-width:767px){.text-ads{grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:none;grid-auto-flow:row;gap:10px 16px;padding-top:16px;font-size:13px}}

/* Keep mobile reading ahead of the full promotion inventory. */
.public-page{display:flex;flex-direction:column;min-height:100vh}
.public-page>.site-header{order:0}
.public-page>.promotion-band{order:1}
.public-page>.content-grid,.public-page>.login-shell{order:2}
.public-page>.site-footer{order:4}
.pagination{flex-wrap:wrap;gap:8px}
.pagination a{display:inline-flex;align-items:center;justify-content:center;min-width:40px;min-height:40px;padding:6px 10px}
.pagination a[aria-current="page"]{border-color:var(--color-accent);color:var(--color-accent);font-weight:600}
.pagination-position{font-size:var(--text-meta);color:var(--color-muted)}
@media(max-width:767px){
 .public-page>.promotion-band{order:3;padding-block:var(--space-md) var(--space-lg);border-top:1px solid var(--color-rule)}
 .public-page>.content-grid{padding-top:var(--space-md)}
 .header-row{gap:var(--space-sm)}
 .header-ads a{flex-basis:min(280px,100%)}
 .navigation-row .region-nav{padding:var(--space-xs) 0;gap:var(--space-xs) var(--space-md)}
 .article-header{margin-bottom:var(--space-md)}
 .article-header h1{font-size:24px;line-height:1.45;margin-bottom:var(--space-sm)}
 .article-summary{font-size:15px;line-height:1.75;margin-bottom:var(--space-sm)}
 .pagination-position{width:100%;order:1}
}

/* Bounded promotions; purchase tables keep a clear, usable final column. */
.prose table a[rel~="sponsored"],.plan-section table a[rel~="sponsored"]{color:#0969da;white-space:nowrap}
.prose table a[rel~="sponsored"]:hover,.plan-section table a[rel~="sponsored"]:hover{color:#074a9c;text-decoration:underline}
.prose table a[rel~="sponsored"]:focus-visible,.plan-section table a[rel~="sponsored"]:focus-visible{outline:2px solid #0969da;outline-offset:3px}
.text-ads{grid-template-rows:repeat(2,auto)}
@media(max-width:1100px){.text-ads{grid-template-rows:repeat(3,auto)}}
@media(max-width:767px){
 .header-ads{display:block;overflow:visible;padding-bottom:0}
 .header-ads>a:nth-child(n+2){display:none}
 .text-ads{grid-template-rows:none;grid-auto-flow:row}
 .text-ads>a:nth-child(n+5){display:none}
}

/* Provider identity and bounded task links; established editorial tokens only. */
.row-copy>p.provider-guide-title{color:var(--color-ink);font-size:var(--text-small);margin-bottom:var(--space-xs)}
.provider-overview{margin-bottom:var(--space-xl);padding-bottom:var(--space-md);border-bottom:1px solid var(--color-rule);min-width:0}
.provider-identity{display:flex;flex-wrap:wrap;align-items:baseline;gap:var(--space-sm);margin:0 0 var(--space-xs)}
.provider-identity strong{font-size:var(--text-row);font-weight:600;color:var(--color-ink);overflow-wrap:anywhere;min-width:0}
.provider-identity span{font-size:var(--text-meta);color:var(--color-muted)}
.provider-task-links{display:flex;flex-wrap:wrap;gap:var(--space-xs) var(--space-md);min-width:0}
.provider-task-links a{display:inline-flex;align-items:center;min-height:44px;max-width:100%;white-space:nowrap;color:var(--color-accent);font-size:var(--text-small)}
.provider-task-links a:hover{color:var(--color-accent-hover);text-decoration:underline;text-underline-offset:var(--space-2xs)}
.provider-task-links a:active{color:var(--color-accent-hover)}
.provider-task-links a:focus-visible{outline:2px solid var(--color-accent);outline-offset:var(--space-2xs);border-radius:var(--radius-control)}