/* Original, dependency-free interface. Pure white canvas; system Chinese fonts. */
:root{color-scheme:light;--ink:#3c3c43;--muted:#666a70;--faint:#787d84;--line:#e8e9eb;--soft:#f7f8f9;--accent:#3451b2;--sidebar:248px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0;background:#fff;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.75;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,summary:focus-visible{outline:2px solid #536a5b;outline-offset:5px;border-radius:3px}p,h1,h2,h3{margin:0}p{color:var(--muted)}svg{display:block;flex:none}.icon{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.skip-link{position:fixed;top:-70px;left:16px;padding:10px 18px;background:var(--ink);color:#fff;z-index:10}.skip-link:focus{top:12px}.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar);border-right:1px solid var(--line);padding:39px 22px 28px;display:flex;flex-direction:column;background:#f6f6f7}.brand{display:flex;align-items:center;gap:11px;font-size:18px;font-weight:650;letter-spacing:.02em;padding:0 13px}.brand-mark{height:30px;width:28px;color:var(--ink)}.sidebar-label{margin:52px 14px 13px;font-size:11px;letter-spacing:.16em;color:var(--faint)}.nav-link{display:flex;align-items:center;gap:12px;min-height:44px;margin:5px 0;padding:10px 13px;border-radius:6px;color:#656a70;font-size:14px;line-height:1.6}.nav-link .icon{width:18px;height:18px;color:#7b8085}.nav-link:hover{background:#fafafa;color:var(--ink)}.nav-link[aria-current=page]{background:#eceef4;color:#3451b2;font-weight:600}.nav-link[aria-current=page] .icon{color:#3451b2}.nav-priority{height:4px;width:4px;background:#6675aa;border-radius:50%;margin-left:auto}.sidebar-bottom{margin-top:auto;padding:20px 14px 0;font-size:12px;color:var(--faint);line-height:1.9}.sidebar-bottom span{display:block}.mobile-header{display:none}.workspace{margin-left:var(--sidebar);min-height:100vh}.page-wrap{max-width:1152px;margin:0 auto;padding:38px 64px 22px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:30px;font-size:12px;color:var(--faint)}.breadcrumb{display:flex;align-items:center;gap:11px;min-width:0}.breadcrumb a:hover{color:var(--ink)}.breadcrumb .icon{width:13px;height:13px;color:#a6a9ae}.top-note{font-size:11px;letter-spacing:.08em}.home-content{max-width:840px;margin:auto}.page-heading{padding:55px 0 40px}.eyebrow{font-size:11px;letter-spacing:.16em;color:#767b80;margin-bottom:10px}.page-heading h1{font-size:38px;line-height:1.4;font-weight:650;letter-spacing:-.035em}.page-heading .intro{font-size:15px;line-height:1.9;margin-top:14px;max-width:660px}.priority-card{display:block;border:1px solid #dedfe3;border-radius:9px;padding:29px 31px 24px;transition:border-color .15s,background .15s}.priority-card:hover{border-color:#b8bfd2;background:#fdfdfe}.card-top{display:flex;align-items:center;gap:8px;color:var(--accent);font-size:12px}.card-top .icon{width:16px;height:16px}.priority-middle{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:17px}.priority-middle h2{font-size:24px;font-weight:600;letter-spacing:-.02em}.priority-middle p{font-size:14px;margin-top:8px}.arrow-ring{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid #e0e6e2;border-radius:50%;color:#59637c;flex:none}.priority-bottom{border-top:1px solid var(--line);margin-top:24px;padding-top:17px;display:flex;align-items:center;justify-content:space-between;font-size:12px}.quiet-status{color:var(--faint);display:inline-flex;align-items:center;gap:7px}.quiet-status::before{content:"";width:4px;height:4px;border:1px solid #929b94;border-radius:50%}.text-link{display:inline-flex;align-items:center;gap:8px;color:#3451b2}.text-link .icon{width:14px;height:14px}.section-label{display:flex;align-items:center;justify-content:space-between;margin:35px 0 10px}.section-label h2{font-size:13px;font-weight:600}.section-label span{font-size:11px;color:var(--faint)}.topic-row{display:flex;gap:20px;align-items:center;padding:23px 3px;border-bottom:1px solid var(--line)}.topic-icon{display:flex;align-items:center;justify-content:center;width:39px;height:39px;border:1px solid var(--line);border-radius:7px;color:#676f69;flex:none}.topic-copy{flex:1}.topic-copy h3{font-size:16px;font-weight:560}.topic-copy p{font-size:13px;margin-top:3px;color:#777b80}.topic-row>.icon{color:#929892;width:17px;height:17px;transition:transform .15s}.topic-row:hover h3{color:#3451b2}.topic-row:hover>.icon{transform:translateX(3px)}.home-note{padding:30px 0 14px;display:flex;gap:10px;align-items:flex-start;font-size:12px;color:var(--faint)}.home-note .icon{width:15px;height:15px;margin-top:3px;color:#8a938c}.home-note p{font-size:12px;color:var(--faint)}.site-footer{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:18px;margin-top:38px;color:var(--faint);font-size:11px}.site-footer a{display:flex;gap:5px;align-items:center}.site-footer a:hover{color:var(--ink)}.site-footer .icon{height:12px;width:12px;transform:rotate(-90deg)}.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 154px;gap:56px}.article-grid .page-heading{padding-bottom:31px}.article-grid h1{font-size:32px;letter-spacing:-.03em}.article-status{padding-top:0;margin-bottom:26px;font-size:12px}.article-section{scroll-margin-top:30px}.article-section h2{font-size:24px;font-weight:600;letter-spacing:-.02em;border-top:1px solid var(--line);padding-top:28px;margin:32px 0 22px}.empty-state{border:0;background:#f6f6f7;border-radius:8px;padding:26px 28px;margin-bottom:38px}.empty-symbol{width:30px;height:30px;margin-bottom:17px;color:#7b8880}.empty-symbol .icon{width:25px;height:25px;stroke-width:1.15}.empty-state h3{font-size:17px;font-weight:550;margin-bottom:10px}.empty-state p{font-size:15px;line-height:1.95;max-width:460px}.pending-label{display:inline-block;margin-top:18px;font-size:11px;color:#626873;background:#eaecef;padding:3px 9px;border-radius:4px}.method-list{margin:0;padding:0}.method-item{display:grid;grid-template-columns:120px 1fr;gap:20px;padding:13px 0}.method-item dt{font-size:13px;font-weight:550}.method-item dd{margin:0;font-size:14px;color:var(--muted);line-height:1.9}.toc{position:sticky;top:40px;align-self:start;border-left:1px solid var(--line);padding-left:17px;margin-top:62px;font-size:12px}.toc-title{font-weight:600;margin-bottom:13px}.toc a{display:block;margin:10px 0;color:var(--muted);font-size:12px}.toc a:hover{color:var(--ink)}.reading-nav{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:46px;padding-top:22px;border-top:1px solid var(--line)}.reading-nav a{font-size:13px;line-height:1.7}.reading-nav a:last-child{text-align:right}.reading-nav small{display:block;font-size:11px;color:var(--faint);margin-bottom:5px}.reading-nav a:hover{color:#3451b2}.entry{border-top:1px solid var(--line);padding:25px 0;scroll-margin-top:30px}.entry:first-of-type{border-top:0;padding-top:0}.entry h3{font-size:21px;font-weight:600}.entry h4{font-size:16px;margin:24px 0 10px;font-weight:600}.entry p{color:#3c3c43;font-size:16px;line-height:1.95;margin:12px 0;white-space:pre-line}.entry-meta{display:flex;flex-wrap:wrap;gap:6px 18px;margin:12px 0 18px;color:var(--faint);font-size:12px}.source-link{font-size:13px;color:#3451b2;text-decoration:underline;text-underline-offset:3px;word-break:break-word}.observation{padding:20px 0 10px 20px;border-left:1px solid #dce4de;margin:25px 0}.observation h4{margin:0 0 10px}.observation figure{margin:20px 0}.observation img{display:block;max-width:100%;height:auto;border:1px solid var(--line);border-radius:5px}.observation figcaption{font-size:12px;line-height:1.8;color:var(--muted);margin-top:8px}.case-time-note{font-size:12px!important}.article-grid article{min-width:0}
@media(min-width:1550px){.page-wrap{padding-top:46px}.page-heading{padding-top:68px}}
@media(max-width:1180px){:root{--sidebar:220px}.sidebar{padding-left:16px;padding-right:16px}.page-wrap{padding-left:40px;padding-right:40px}.article-grid{grid-template-columns:minmax(0,1fr) 125px;gap:30px}.brand{font-size:17px}.nav-link{font-size:13px;gap:10px}}
@media(max-width:960px){.toc{display:none}.article-grid{display:block}.page-heading h1{font-size:32px}.top-note{display:none}}
@media(max-width:720px){html{scroll-padding-top:90px}.sidebar{display:none}.workspace{margin-left:0}.mobile-header{display:block;position:sticky;top:0;z-index:5;background:#fff;border-bottom:1px solid var(--line)}.mobile-bar{min-height:65px;display:flex;align-items:center;justify-content:space-between;padding:0 22px}.mobile-bar .brand{font-size:16px;padding:0;gap:9px}.mobile-bar .brand-mark{width:24px;height:26px}.mobile-menu summary{list-style:none;display:flex;align-items:center;gap:7px;font-size:12px;color:var(--muted);cursor:pointer;padding:10px 0 10px 12px}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu summary .icon{width:17px;height:17px}.mobile-menu[open] summary{color:var(--ink)}.mobile-menu nav{position:absolute;left:0;right:0;top:65px;background:white;border-bottom:1px solid var(--line);padding:13px 20px 18px;box-shadow:0 12px 22px #20212406}.page-wrap{padding:24px 24px 22px}.topbar{font-size:11px;min-height:20px}.page-heading{padding:35px 0 30px}.page-heading h1,.article-grid h1{font-size:29px;letter-spacing:-.035em}.page-heading .intro{font-size:14px;margin-top:12px}.priority-card{padding:23px 23px 20px}.priority-middle{gap:12px;margin-top:13px}.priority-middle h2{font-size:21px}.priority-middle p{font-size:13px;line-height:1.85}.arrow-ring{width:29px;height:29px}.arrow-ring .icon{width:17px}.priority-bottom{margin-top:20px;padding-top:14px;font-size:11px}.section-label{margin-top:29px}.topic-row{gap:14px;padding:21px 0}.topic-copy h3{font-size:15px}.topic-copy p{font-size:12px;line-height:1.8}.topic-icon{width:34px;height:34px}.topic-icon .icon{width:18px;height:18px}.home-note{padding-top:26px}.site-footer{margin-top:27px;font-size:10px}.empty-state{padding:28px 23px;margin-bottom:31px}.empty-state h3{font-size:16px}.empty-state p{font-size:13px}.article-status{margin-bottom:27px}.article-section h2{font-size:21px;padding-top:23px}.method-item{grid-template-columns:1fr;gap:5px;padding:15px 0}.method-item dt{font-size:13px}.method-item dd{font-size:12px}.reading-nav{margin-top:31px}.reading-nav a{font-size:12px}.article-section,.entry{scroll-margin-top:90px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* SEO collection and article navigation; other sections retain their original layout. */
.seo-page{--sidebar:276px}
.seo-page .sidebar{padding:30px 18px 20px}
.seo-page .sidebar-label{margin-top:27px;margin-bottom:10px}
.sidebar-scroll{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#d5d6db transparent;padding-right:4px}
.sidebar>.brand,.sidebar>.sidebar-label,.sidebar>.sidebar-bottom{flex-shrink:0}
@media(max-width:720px){.mobile-menu nav{max-height:calc(100vh - 65px);max-height:calc(100dvh - 65px);overflow-y:auto}}
.seo-page .sidebar-bottom{flex:none;margin-top:12px;padding-top:10px}
.seo-page .nav-link{min-height:36px;margin:3px 0;padding:7px 13px;font-size:13px}
.seo-page .nav-link[aria-current=true]{background:#eceef4;color:var(--accent);font-weight:600}
.seo-page .nav-link[aria-current=true] .icon{color:var(--accent)}
.course-tree{margin:20px 10px 10px;border-top:1px solid #dedfe3;padding-top:15px}
.course-tree>summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;font-weight:600;color:#5f636c;padding:0 0 10px}
.course-tree>summary::-webkit-details-marker{display:none}
.disclosure-symbol{position:relative;width:14px;height:14px;flex:none}
.disclosure-symbol::before,.disclosure-symbol::after{content:"";position:absolute;background:#747987;top:6px;left:2px;width:10px;height:1px}
.disclosure-symbol::after{transform:rotate(90deg)}
.course-tree[open] .disclosure-symbol::after{display:none}
.course-articles{list-style:none;margin:0;padding:0}
.course-article{display:flex;gap:12px;align-items:baseline;font-size:14px;line-height:1.7;padding:9px 0;color:#616671}
.course-article:hover,.course-article[aria-current=page]{color:var(--ink);font-weight:600}
.chapter-number{font-size:11px;min-width:16px;color:#8b9098;font-variant-numeric:tabular-nums;font-weight:400}
.chapter-items{margin:3px 0 10px 28px;border-left:1px solid #dddfe5}
.chapter-link{display:block;position:relative;padding:6px 10px 6px 13px;font-size:12px;line-height:1.7;color:#676d76;overflow-wrap:anywhere}
.chapter-link:hover{color:var(--accent)}
.chapter-link[aria-current=location]{color:var(--accent);font-weight:600}
.chapter-link[aria-current=location]::before{content:"";position:absolute;width:2px;left:-1px;top:7px;bottom:7px;background:var(--accent)}
.chapter-group{font-weight:600;color:#4e5560;padding-top:10px}
.theory-links,.theory-children{list-style:none;margin:0;padding:0;min-width:0}
.theory-links li{margin:0;padding:0;min-width:0}
.theory-children{margin-left:10px}
.theory-links .chapter-link{white-space:normal;overflow-wrap:anywhere;min-width:0}
.theory-links .chapter-stage{font-weight:600;color:#4e5560;margin-top:5px}
.chapter-ending{margin-top:3px}
.seo-reading,.seo-collection{max-width:740px;margin:0 auto}
.seo-reading{--topic-gap:28px}
.seo-page .page-heading{padding:48px 0 32px}
.seo-page .seo-reading>.page-heading{padding-bottom:0}
.seo-page .page-heading h1{font-size:32px;letter-spacing:-.03em}
.seo-reading .page-heading .intro{font-size:16px;line-height:1.9;max-width:none}
.seo-reading .page-heading .intro:last-child{margin-bottom:0}
.seo-reading>.page-heading+.tool-entry,.seo-reading>.page-heading+.empty-state{margin-top:var(--topic-gap)}
.seo-reading p{font-size:16px;line-height:1.95;color:var(--ink);margin:16px 0}
.seo-reading .eyebrow{font-size:11px;line-height:1.75;margin:0 0 10px;color:var(--faint)}
.seo-reading .part-heading{font-size:24px;font-weight:600;line-height:1.5;border-top:1px solid var(--line);padding-top:29px;margin:36px 0 23px;letter-spacing:-.02em}
.seo-reading .theory-section>.part-heading{margin-top:12px}
/* Headings own section spacing; nested wrappers must not add another gap. */
.theory-topic{margin:0}
.theory-topic>:last-child{margin-bottom:0}
.theory-topic>h3,.theory-topic>h4,.theory-topic>h5,.theory-topic>h6{font-weight:600;letter-spacing:-.015em;line-height:1.6;margin:var(--topic-gap) 0 15px}
.theory-topic>h3{font-size:20px}
.theory-topic>h4{font-size:19px}
.theory-topic>h5,.theory-topic>h6{font-size:17px}
.theory-stage>h3{font-size:22px;border-top:1px solid var(--line);padding-top:26px;margin-top:38px}
.theory-points{padding-left:23px;margin:18px 0 20px;line-height:1.95;font-size:16px}
.theory-points li{padding-left:3px;margin:10px 0}
.theory-points strong{font-weight:600}
.content-funnel{list-style:none;padding:0;margin:22px 0}
.content-funnel-stage{display:grid;grid-template-columns:128px minmax(0,1fr);gap:24px;align-items:stretch;margin:0;padding:0}
.content-funnel-label{position:relative;isolation:isolate;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:3px;width:100%;min-height:72px;margin:5px auto;color:var(--accent)}
.content-funnel-label::before{content:"";position:absolute;inset:0;z-index:-1;background:#f0f3fa;clip-path:polygon(0 0,100% 0,94% 100%,6% 100%)}
.content-funnel-stage:nth-child(2) .content-funnel-label{width:86%}.content-funnel-stage:nth-child(2) .content-funnel-label::before{background:#e7ecf7}
.content-funnel-stage:nth-child(3) .content-funnel-label{width:72%}.content-funnel-stage:nth-child(3) .content-funnel-label::before{background:#dce4f3}
.content-funnel-label span{font-size:14px;font-weight:650;letter-spacing:.04em}.content-funnel-label strong{font-size:12px;font-weight:500}
.content-funnel-details{min-width:0;padding:13px 0;border-bottom:1px solid var(--line)}
.content-funnel-stage:last-child .content-funnel-details{border-bottom:0}
.seo-reading .content-funnel-stage p{font-size:14px;line-height:1.7;margin:5px 0 0}
.seo-reading .content-funnel-stage .content-funnel-task{font-size:16px;font-weight:600;line-height:1.5;margin:0}
.seo-reading .content-funnel-stage .content-funnel-keywords{font-size:13px;color:var(--muted)}
.content-funnel-keywords span{margin-right:9px;color:var(--faint)}
@media(max-width:720px){.content-funnel-stage{grid-template-columns:80px minmax(0,1fr);gap:16px}.content-funnel-label span{font-size:12px}.content-funnel-label strong{font-size:11px}.content-funnel-details{padding:12px 0}.seo-reading .content-funnel-stage p{font-size:13px}.seo-reading .content-funnel-stage .content-funnel-task{font-size:15px}.seo-reading .content-funnel-stage .content-funnel-keywords{font-size:12px}}
.article-table-wrap{max-width:100%;overflow-x:auto;margin:22px 0;border:1px solid var(--line);border-radius:5px}
.article-table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.75}
.article-table caption{text-align:left;padding:12px;background:#fafafa;color:var(--muted);font-size:13px}
.article-table th,.article-table td{text-align:left;vertical-align:top;padding:12px;border-top:1px solid var(--line)}
.article-table thead th{background:#f0f2f7;font-weight:600}
.article-table tbody th{font-weight:550}
.article-table th:first-child,.article-table th:last-child,.article-table td:last-child{white-space:nowrap}
.article-table-wrap:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.article-table-comparison{min-width:640px;table-layout:fixed}
.article-table-comparison th:first-child{width:24%}
.article-table-comparison th,.article-table-comparison td{overflow-wrap:anywhere}
.article-table-comparison th:first-child,.article-table-comparison th:last-child,.article-table-comparison td:last-child{white-space:normal}
.seo-reading .article-table-hint{display:none;font-size:12px;color:var(--muted);margin:-14px 0 20px}
@media(max-width:720px){.seo-reading .article-table-hint{display:block}}
.index-directions{margin:22px 0;padding-left:18px;border-left:2px solid #dfe3ee}
.index-directions>div{display:flex;gap:28px;align-items:baseline;margin:10px 0}
.index-directions dt{font-weight:600;font-size:15px;min-width:70px}
.index-directions dd{margin:0;font-size:15px;color:#535965}
.practice-note{background:#f6f6f7;border-radius:6px;padding:17px 21px}
.practice-note p{margin:0;color:#626874;font-size:14px}
[data-reading-heading]{scroll-margin-top:56px}
[data-reading-heading]:focus{outline:none}
[data-reading-heading]:focus-visible{outline:2px solid #bdc7e5;outline-offset:7px}
.article-back{padding-top:24px;border-top:1px solid var(--line);margin-top:38px;font-size:13px;color:var(--accent)}
.collection-label{font-size:14px;font-weight:600;margin:5px 0 17px}
.collection-list{border-top:1px solid var(--line)}
.collection-row{display:flex;gap:23px;align-items:flex-start;padding:26px 0;border-bottom:1px solid var(--line)}
.collection-number{font-size:12px;color:var(--faint);padding-top:5px;min-width:18px}
.collection-row>div{flex:1;min-width:0}
.collection-row h2{font-size:21px;line-height:1.5;font-weight:600;margin:0 0 9px}
.collection-row p{font-size:14px;line-height:1.9;max-width:540px}
.collection-row>.icon{width:17px;height:17px;margin-top:8px;color:var(--faint)}
.collection-row:hover h2,.collection-row:hover>.icon{color:var(--accent)}
.collection-note{display:block;font-size:11px;color:var(--faint);margin-top:14px}
.collection-footnote{font-size:12px;color:var(--faint);margin-top:24px}
.mobile-return{display:block;margin:15px 10px 3px;padding:12px 0 3px;border-top:1px solid var(--line);font-size:12px;color:var(--accent)}
.pending-article h2{font-size:18px;font-weight:600;margin:0 0 10px}
.seo-reading .pending-article p{font-size:14px;color:var(--muted);margin:0}
.scope-note{margin:21px 0 12px;padding:15px 19px;border-left:2px solid #dfe3ee;background:#f8f8fa;border-radius:0 5px 5px 0}
.seo-reading .scope-note p{font-size:13px;line-height:1.9;color:#626874;margin:0}
.seo-reading .pending-detail{font-size:13px;color:var(--faint);margin:16px 0}
.workflow-step .part-heading{font-size:22px}
.reading-transition .part-heading{font-size:21px}
.template-download{margin:24px 0 30px;min-width:0}
.template-download h3{font-size:18px;font-weight:600;line-height:1.6}
.download-button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:9px 15px;border:1px solid #cbd3e5;border-radius:5px;background:#f5f7fc;color:var(--accent);font-size:13px;line-height:1.6;font-weight:550}
.download-button:hover{background:#edf1fa;border-color:#aebbd9}
.seo-reading .template-instructions{font-size:14px;line-height:1.9;margin:8px 0 14px;color:#626874}
.template-preview{max-width:100%;overflow-x:auto;margin-top:22px;border:1px solid var(--line);border-radius:5px}
.template-preview:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.template-preview table{width:100%;min-width:650px;border-collapse:collapse;table-layout:fixed;font-size:14px;line-height:1.75}
.template-preview caption{text-align:left;padding:13px 15px;background:#fafafa;color:var(--muted);font-size:13px;line-height:1.8}
.template-preview th,.template-preview td{padding:12px 14px;text-align:left;vertical-align:top;border-top:1px solid var(--line);overflow-wrap:anywhere}
.template-preview thead th{background:#f0f2f7;font-weight:600}
.template-preview th:first-child{width:18%}.template-preview th:last-child{width:18%}
.template-preview tbody th{font-weight:550}.template-preview tbody tr:nth-child(even){background:#fafafa}
[aria-labelledby="keyword-intent-summary-template-title"] .template-preview table{min-width:1560px}
[aria-labelledby="keyword-intent-summary-template-title"] .template-preview th:first-child{width:10%}
[aria-labelledby="keyword-intent-summary-template-title"] .template-preview th:nth-child(2),[aria-labelledby="keyword-intent-summary-template-title"] .template-preview th:nth-child(3){width:15%}
[aria-labelledby="keyword-intent-summary-template-title"] .template-preview th:nth-child(4){width:20%}
[aria-labelledby="keyword-intent-summary-template-title"] .template-preview th:nth-child(5),[aria-labelledby="keyword-intent-summary-template-title"] .template-preview th:nth-child(6){width:7%}
[aria-labelledby="keyword-intent-summary-template-title"] .template-preview th:nth-child(7),[aria-labelledby="keyword-intent-summary-template-title"] .template-preview th:nth-child(8){width:6%}
[aria-labelledby="keyword-intent-summary-template-title"] .template-preview th:last-child{width:14%}
[aria-labelledby="keyword-intent-summary-template-title"] .template-preview tbody td{white-space:pre-line}
[aria-labelledby="keyword-intent-summary-template-title"] .template-preview td:nth-child(n+5){text-align:right}
.seo-reading [aria-labelledby="keyword-intent-summary-template-title"] .template-scroll-hint{display:block}
.seo-reading .template-scroll-hint{display:none;font-size:12px;color:var(--muted);margin:6px 0 0}
@media(max-width:720px){.seo-reading .template-scroll-hint{display:block}}
.analysis-sequence{list-style:none;padding-left:0;margin:18px 0;font-size:16px;line-height:1.95}
.analysis-sequence li{padding-left:4px;margin:10px 0}
.seo-reading .step-tools{font-size:13px;line-height:1.8;color:#687284;margin:10px 0 16px}
.analysis-sequence h3{font-size:17px;line-height:1.7;font-weight:600;margin:0 0 8px}
.seo-reading .analysis-sequence li{margin:var(--topic-gap) 0}
.seo-reading .analysis-sequence p{font-size:15px;line-height:1.95;margin:10px 0}
.seo-reading .analysis-sequence .step-tools{font-size:12px;line-height:1.8;margin:6px 0 10px}
.tool-entry{display:flex;align-items:center;flex-wrap:wrap;gap:10px 20px;margin:-5px 0 var(--topic-gap,28px);font-size:13px}
.tool-entry>span{color:var(--faint);font-size:12px}
.tool-entry a{font-size:13px}
.article-screenshot{margin:22px 0 30px;min-width:0}
.screenshot-original{display:block;border:1px solid var(--line);border-radius:5px;overflow:hidden;background:#fff}
.article-screenshot img{display:block;width:100%;height:auto}
.article-screenshot figcaption{margin-top:10px;font-size:12px;line-height:1.8;color:var(--muted);overflow-wrap:anywhere}
.article-screenshot figcaption a{font-size:inherit}
.keyword-tool{margin:24px 0 var(--topic-gap,28px);padding:24px;border:1px solid #dfe3eb;border-radius:8px;background:#fbfcfe;min-width:0}
.keyword-tool [hidden]{display:none!important}
.seo-reading .keyword-tool p{font-size:14px;line-height:1.8;margin:8px 0 14px}
.seo-reading .keyword-tool .keyword-tool-lead{font-size:17px;font-weight:600;margin:0 0 6px}
.seo-reading .keyword-tool .keyword-note{font-size:12px;color:#697180;line-height:1.8;margin:7px 0 12px}
.keyword-tool button,.keyword-tool input,.keyword-tool select,.keyword-tool textarea{font:inherit;box-sizing:border-box}
.keyword-tool button{cursor:pointer;min-height:42px}
.keyword-tool button:disabled{cursor:default;opacity:.48}
.keyword-tool input:not([type=checkbox]):not([type=file]),.keyword-tool select,.keyword-tool textarea{display:block;width:100%;max-width:100%;border:1px solid #cbd2df;border-radius:5px;background:#fff;color:#353b45;font-size:14px;min-height:42px;padding:9px 11px}
.keyword-tool textarea{resize:vertical;min-height:155px;line-height:1.7}
.keyword-tool :is(input,select,textarea,button,summary):focus-visible{outline:2px solid #4568c7;outline-offset:3px}
.keyword-mode{display:flex;gap:6px;margin:22px 0 15px;border-bottom:1px solid #dfe3eb}
.keyword-mode button{border:0;border-bottom:2px solid transparent;background:transparent;padding:10px 14px;font-size:14px;color:#657083}
.keyword-mode button[aria-pressed=true]{border-bottom-color:#3657b5;color:#2748a5;font-weight:600}
.keyword-button{border:1px solid #bcc8df;background:#fff;color:#2f4c91;border-radius:5px;padding:9px 15px;font-size:14px;font-weight:550}
.keyword-button:hover:not(:disabled){background:#eff3fc}
.keyword-primary{color:#fff;background:#3657b5;border-color:#3657b5;white-space:nowrap}
.keyword-primary:hover:not(:disabled){background:#2b489c}
.keyword-drop{border:1px dashed #b8c4db;border-radius:6px;text-align:center;padding:21px 14px;background:#fff}
.keyword-drop.is-dragging{background:#eef3ff;border-color:#3657b5}
.keyword-drop .keyword-note{margin-bottom:0!important}
.keyword-encoding{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:14px 0;font-size:12px;color:#697180}
.keyword-encoding select{width:145px!important;min-height:34px!important;padding:5px 8px!important;font-size:12px!important}
.keyword-field{display:block;min-width:0;margin:10px 0 14px;font-size:13px;line-height:1.7}
.keyword-field>span{display:block;color:#515c6d;margin-bottom:6px}
.keyword-checkbox{display:flex;align-items:center;gap:8px;font-size:13px;margin:10px 0 16px}
.keyword-checkbox input{width:16px;height:16px}
.keyword-status{color:#53627b}
.keyword-errors:not(:empty){color:#a03131;font-size:13px;margin:12px 0;overflow-wrap:anywhere}
.keyword-errors p{margin:5px 0!important;font-size:13px!important}
.keyword-list-heading{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;padding-top:22px;margin-top:22px;border-top:1px solid #dfe3eb;font-size:14px}
.keyword-list-heading>span{font-size:12px;color:#697180}
.keyword-result{border:1px solid #dfe3eb;background:#fff;border-radius:6px;padding:17px;margin:15px 0}
.keyword-result-heading{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.keyword-result-heading>div{min-width:0}
.seo-reading .keyword-tool .keyword-source{font-size:13px;font-weight:600;overflow-wrap:anywhere;margin:0}
.keyword-text-button{border:0;background:transparent;color:#657083;font-size:12px;padding:0 4px;flex-shrink:0;min-height:30px!important}
.keyword-text-button:hover{color:#a03131}
.keyword-save-bar{display:flex;align-items:center;justify-content:space-between;gap:8px 16px;flex-wrap:wrap;padding:10px 0;border-bottom:1px solid #dfe3eb}
.seo-reading .keyword-tool .keyword-save-status{font-size:12px;line-height:1.7;color:#526b59;margin:0;flex:1;min-width:180px;overflow-wrap:anywhere}
.seo-reading .keyword-tool .keyword-save-status[data-state=error]{color:#a03131}
.keyword-save-actions{display:flex;gap:14px;flex-shrink:0}
.keyword-mapping{margin:12px 0 16px}
.keyword-tool summary{cursor:pointer;font-size:13px;color:#4e607f;line-height:1.7;padding:8px 0}
.keyword-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 15px}
.keyword-preview{overflow:auto;max-height:260px;max-width:100%;border:1px solid #e4e7ed;border-radius:4px}
.keyword-preview table{border-collapse:collapse;width:100%;font-size:12px;line-height:1.6}
.keyword-preview th,.keyword-preview td{border-bottom:1px solid #e4e7ed;padding:8px 10px;text-align:left;min-width:115px;max-width:300px;overflow-wrap:anywhere;vertical-align:top}
.keyword-preview th{background:#f2f5fa;font-weight:600;position:sticky;top:0;white-space:nowrap}
.keyword-preview tr:last-child td{border-bottom:0}
.keyword-export-meta{border-top:1px solid #dfe3eb;margin:20px 0 15px;padding-top:8px}
.keyword-export{display:flex;align-items:flex-end;gap:15px;margin-top:18px}
.keyword-export .keyword-field{flex:1;margin:0;min-width:0}
@media(max-width:720px){.keyword-tool{padding:16px;margin-left:0;margin-right:0}.keyword-fields{grid-template-columns:1fr}.keyword-export{align-items:stretch;flex-direction:column}.keyword-export .keyword-primary{width:100%}.keyword-result{padding:13px}.keyword-mode button{padding-left:11px;padding-right:11px}.keyword-encoding .keyword-note{flex-basis:100%;margin:0!important}}
@media(max-width:720px){.template-download h3{font-size:17px}.download-button{width:100%;min-height:44px}.seo-reading .template-instructions{font-size:13px}}
@media(max-width:1100px) and (min-width:721px){.seo-page{--sidebar:248px}.seo-page .page-wrap{padding-left:36px;padding-right:36px}.seo-page .sidebar{padding-left:14px;padding-right:14px}}
@media(max-width:720px){
  .seo-page .mobile-bar{gap:10px;padding-left:20px;padding-right:20px}
  .seo-page .mobile-bar .brand{flex:none;font-size:15px}
  .seo-page .mobile-menu{min-width:0}
  .seo-page .mobile-menu>summary{gap:5px;max-width:44vw;font-size:11px;white-space:nowrap;min-height:44px}
  .seo-page [data-current-section]{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;min-width:0}
  .seo-page .mobile-menu nav{max-height:calc(100vh - 66px);max-height:calc(100dvh - 66px);overflow-y:auto;overscroll-behavior:contain;padding:12px 20px 20px}
  .seo-page .course-tree{margin:17px 10px 10px;padding-top:15px}
  .seo-page .course-tree>summary{font-size:12px;padding:0 0 10px;justify-content:space-between;max-width:none}
  .seo-page .course-article{font-size:14px;padding:9px 0}
  .seo-page .chapter-link{font-size:13px;padding-top:8px;padding-bottom:8px}
  .seo-page .chapter-items{margin-left:28px}
  .seo-page .page-heading{padding:31px 0 25px}
  .seo-page .page-heading h1{font-size:29px}
  .seo-reading .page-heading .intro{font-size:14px}
  .seo-reading p,.theory-points{font-size:15px;line-height:1.95}
  .seo-reading .part-heading{font-size:23px;padding-top:24px;margin-top:30px}
  .seo-reading{--topic-gap:25px}
  .theory-topic>h3{font-size:19px}
  .theory-stage>h3{font-size:21px;margin-top:32px;padding-top:23px}
  .theory-topic>h4{font-size:18px}
  .index-directions>div{display:block;margin:13px 0}
  .index-directions dd{font-size:14px;margin-top:3px}
  .practice-note p{font-size:13px}
  [data-reading-heading]{scroll-margin-top:16px}
  .collection-row{gap:15px;padding:23px 0}
  .collection-row h2{font-size:20px}
  .collection-row p{font-size:13px}
}
/* Brand case catalogue: reuse the knowledge base's article typography. */
.case-index{display:flex;flex-wrap:wrap;gap:10px 22px;margin:0 0 28px;font-size:13px;color:#3451b2}
.case-index a{padding:3px 0;text-decoration:underline;text-underline-offset:4px}
.case-index a span,.cases-grid .toc a span{color:var(--faint)}
.case-entry p.case-location{font-size:13px;color:var(--muted);margin:4px 0 8px}
.case-category-description{margin:-8px 0 22px}
.case-identity{display:flex;align-items:baseline;flex-wrap:wrap;gap:6px 18px;margin:8px 0 10px;color:var(--faint);font-size:13px}
.case-entry p.case-direction{font-size:13px;line-height:1.75;color:var(--muted);margin:10px 0 12px}
.case-points{padding-left:1.25em;margin:12px 0;color:#3c3c43;font-size:16px;line-height:1.95}
.case-points li+li{margin-top:8px}
.case-links{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:14px}
.case-entry p.case-takeaway{margin:12px 0}