.detail-hero{padding:38px 0 42px;background:#fff;border-bottom:1px solid var(--line)}.skill-overview{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:50px;align-items:start}.overview-main{display:flex;gap:22px}.overview-icon{width:76px;height:76px;border-radius:22px;background:var(--ink);color:#fff;display:grid;place-items:center;font-family:"Plus Jakarta Sans",sans-serif;font-size:24px;font-weight:700;flex:0 0 auto}.overview-copy .eyebrow{display:flex;align-items:center;gap:8px;color:var(--brand);font-size:12px;font-weight:700;letter-spacing:.12em}.overview-copy h1{font-family:"Plus Jakarta Sans","Noto Sans SC",sans-serif;font-size:43px;line-height:1.08;letter-spacing:-.05em;margin:13px 0 13px}.overview-copy>p{max-width:650px;color:var(--muted);font-size:14px;line-height:1.75;margin:0}.overview-tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:20px}.overview-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:26px}.button-primary,.button-secondary{height:44px;border-radius:12px;padding:0 17px;display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;border:1px solid transparent;cursor:pointer}.button-primary{background:var(--brand);color:#fff}.button-secondary{background:#fff;border-color:var(--line);color:var(--ink)}.button-secondary.active{color:var(--brand);border-color:var(--brand-line);background:var(--brand-soft)}.project-card{border:1px solid var(--line);border-radius:19px;background:var(--page);padding:22px}.project-card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.project-card-head strong{font-size:12px}.status{display:flex;align-items:center;gap:6px;color:var(--success);font-size:12px}.status:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--success)}.project-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.project-stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px}.project-stat b{display:block;font-size:15px}.project-stat span{color:var(--subtle);font-size:12px}.project-rows{display:grid;gap:11px;margin-top:17px}.project-row{display:flex;justify-content:space-between;gap:18px;color:var(--muted);font-size:12px}.project-row b{color:var(--ink);font-weight:500}.anchor-nav{position:sticky;top:74px;z-index:20;background:#fff;border-bottom:1px solid var(--line)}.anchor-row{height:54px;display:flex;align-items:center;gap:26px;overflow-x:auto;scrollbar-width:none}.anchor-row a{white-space:nowrap;color:var(--muted);font-size:12px}.anchor-row a:hover{color:var(--brand)}
.detail-main{display:grid;grid-template-columns:minmax(0,1fr) 265px;gap:44px;padding:48px 0 100px}.content-column{min-width:0}.content-section{scroll-margin-top:150px;padding-bottom:46px;margin-bottom:46px;border-bottom:1px solid var(--line)}.content-section:last-child{border:0}.section-kicker{display:block;color:var(--brand);font-size:12px;font-weight:700;letter-spacing:.14em;margin-bottom:9px}.content-section h2{font-family:"Plus Jakarta Sans","Noto Sans SC",sans-serif;font-size:28px;letter-spacing:-.035em;margin:0 0 17px}.content-section h3{font-size:16px;margin:26px 0 10px}.content-section>p,.content-section li{color:var(--muted);font-size:13px;line-height:1.85}.content-section ul{padding-left:19px}.verdict{background:var(--brand-soft);border:1px solid var(--brand-line);border-radius:18px;padding:24px}.verdict-top{display:flex;justify-content:space-between;gap:20px}.verdict h2{margin-bottom:9px}.score{width:58px;height:58px;border-radius:50%;background:#fff;border:5px solid var(--brand);display:grid;place-items:center;color:var(--brand);font-weight:800;flex:0 0 auto}.verdict p{color:#795c4c;margin-bottom:0}.pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}.pros,.cons{background:#ffffffa8;border:1px solid #fff;border-radius:14px;padding:16px}.pros strong,.cons strong{font-size:12px}.pros ul,.cons ul{margin:8px 0 0}.pros li,.cons li{font-size:12px;line-height:1.7}.capability-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.capability{border:1px solid var(--line);border-radius:15px;background:#fff;padding:18px}.capability span{width:30px;height:30px;border-radius:9px;background:var(--soft);color:var(--brand);display:grid;place-items:center;font-weight:700;font-size:12px}.capability h3{font-size:13px;margin:13px 0 6px}.capability p{color:var(--muted);font-size:12px;line-height:1.65;margin:0}.audience-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.audience{border-radius:16px;padding:19px}.audience.good{background:#eef8f2;border:1px solid #cfe9d8}.audience.bad{background:#faf3f1;border:1px solid #edd9d4}.audience strong{font-size:12px}.audience ul{margin-bottom:0}.info-table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:15px;overflow:hidden;background:#fff}.info-table th,.info-table td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;font-size:12px}.info-table tr:last-child th,.info-table tr:last-child td{border:0}.info-table th{width:180px;color:var(--muted);font-weight:500;background:var(--soft)}.install-tabs{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:12px}.tab-button{height:34px;border:1px solid var(--line);background:#fff;border-radius:9px;padding:0 12px;color:var(--muted);font-size:12px;cursor:pointer}.tab-button.active{background:var(--ink);border-color:var(--ink);color:#fff}.tab-panel{display:none}.tab-panel.active{display:block}.code-box{background:#1f1f21;color:#f2f2f2;border-radius:15px;overflow:hidden}.code-head{height:40px;border-bottom:1px solid #363638;display:flex;align-items:center;justify-content:space-between;padding:0 14px;color:#98989d;font-size:12px}.copy-button{border:0;background:#353537;color:#d5d5d8;border-radius:7px;padding:5px 8px;font-size:12px;cursor:pointer}.code-box pre{margin:0;padding:19px;overflow:auto;font:11px/1.7 "SFMono-Regular",Consolas,monospace}.step-list{display:grid;gap:12px;margin-top:16px}.step{display:grid;grid-template-columns:28px 1fr;gap:12px}.step b{width:28px;height:28px;border-radius:8px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:12px}.step strong{display:block;font-size:12px;margin:5px 0}.step p{color:var(--muted);font-size:12px;line-height:1.65;margin:0}.case-card{background:var(--ink);color:#fff;border-radius:19px;padding:26px}.case-card .case-label{color:#fb923c;font-size:12px;font-weight:700;letter-spacing:.13em}.case-card h3{font-size:20px;margin:13px 0 9px}.case-card p{color:#aaa;font-size:12px}.case-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:20px}.case-metric{background:#28282a;border:1px solid #3a3a3d;border-radius:11px;padding:12px}.case-metric b{display:block;font-size:14px}.case-metric span{color:#8f8f94;font-size:12px}.sidebar{align-self:start;position:sticky;top:148px;display:grid;gap:13px}.side-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:17px}.side-card h3{font-size:12px;margin:0 0 13px}.toc{display:grid;gap:10px}.toc a{color:var(--muted);font-size:12px}.toc a:hover{color:var(--brand)}.quick-row{display:flex;justify-content:space-between;gap:15px;color:var(--muted);font-size:12px;margin:10px 0}.quick-row b{color:var(--ink);font-weight:500}.risk-card{background:#fff8eb;border-color:#f0ddb7}.risk-card p{color:#856a37;font-size:12px;line-height:1.65;margin:0}.related-list{display:grid;gap:9px}.related-skill{display:flex;align-items:center;gap:9px}.related-skill span{width:30px;height:30px;border-radius:9px;background:var(--soft);display:grid;place-items:center;color:var(--brand);font-size:12px;font-weight:700}.related-skill strong{display:block;font-size:12px}.related-skill small{color:var(--subtle);font-size:12px}
.feature-article{display:grid;grid-template-columns:1.05fr .95fr;border:1px solid var(--line);border-radius:22px;overflow:hidden;background:#fff;margin-bottom:34px}.feature-cover{min-height:340px;background:var(--ink);color:#fff;padding:34px;display:flex;flex-direction:column;justify-content:space-between}.feature-cover .cover-word{font-family:"Plus Jakarta Sans",sans-serif;font-size:70px;letter-spacing:-.07em;line-height:.9;color:#ffffff14;align-self:flex-end}.feature-copy{padding:40px;display:flex;flex-direction:column;justify-content:center}.feature-copy .category{color:var(--brand);font-size:12px;font-weight:700;letter-spacing:.13em}.feature-copy h2{font-size:28px;line-height:1.35;letter-spacing:-.035em;margin:16px 0 13px}.feature-copy p{color:var(--muted);font-size:12px;line-height:1.75}.article-filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:25px}.article-grid-list{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.article-list-card{background:#fff;border:1px solid var(--line);border-radius:17px;overflow:hidden;transition:.2s ease}.article-list-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.article-thumb{height:165px;padding:19px;background:var(--soft);display:flex;flex-direction:column;justify-content:space-between}.article-thumb.dark{background:var(--ink);color:#fff}.article-thumb.orange{background:var(--brand);color:#fff}.article-thumb span:first-child{font-size:12px;font-weight:700;letter-spacing:.11em}.article-thumb b{font-family:"Plus Jakarta Sans",sans-serif;font-size:32px;align-self:flex-end;opacity:.15}.article-card-copy{padding:18px}.article-card-copy h2{font-size:14px;line-height:1.45;margin:0 0 9px}.article-card-copy p{height:38px;overflow:hidden;color:var(--muted);font-size:12px;line-height:1.7}.article-card-meta{display:flex;justify-content:space-between;color:var(--subtle);font-size:12px;margin-top:15px}
.article-hero{padding:52px 0 46px;background:#fff;border-bottom:1px solid var(--line)}.article-header{max-width:850px}.article-header .category{color:var(--brand);font-size:12px;font-weight:700;letter-spacing:.13em}.article-header h1{font-family:"Plus Jakarta Sans","Noto Sans SC",sans-serif;font-size:48px;line-height:1.18;letter-spacing:-.05em;margin:18px 0}.article-header .lead{color:var(--muted);font-size:15px;line-height:1.75}.author-row{display:flex;align-items:center;gap:11px;margin-top:25px}.author-avatar{width:38px;height:38px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:700}.author-row strong{display:block;font-size:12px}.author-row span{color:var(--subtle);font-size:12px}.article-layout{display:grid;grid-template-columns:190px minmax(0,760px) 220px;gap:38px;justify-content:center;padding:52px 0 100px}.article-toc{position:sticky;top:105px;align-self:start}.article-toc h3{font-size:12px;margin:0 0 13px}.article-toc a{display:block;color:var(--muted);font-size:12px;line-height:1.55;padding:6px 0;border-left:1px solid var(--line);padding-left:11px}.article-toc a:hover{color:var(--brand);border-color:var(--brand)}.article-content{min-width:0}.article-content h2{scroll-margin-top:110px;font-family:"Plus Jakarta Sans","Noto Sans SC",sans-serif;font-size:26px;letter-spacing:-.03em;margin:45px 0 16px}.article-content h2:first-child{margin-top:0}.article-content h3{font-size:17px;margin:30px 0 12px}.article-content p,.article-content li{color:#4f4f54;font-size:14px;line-height:2}.article-content img{max-width:100%}.article-content blockquote{margin:26px 0;padding:18px 20px;border-left:3px solid var(--brand);background:var(--brand-soft);color:#795c4c;font-size:12px;line-height:1.8}.article-content .code-box{margin:22px 0}.article-side{align-self:start;position:sticky;top:105px}.article-side .side-card{margin-bottom:12px}.share-row{display:flex;gap:7px}.share-button{width:32px;height:32px;border:1px solid var(--line);border-radius:9px;background:#fff;display:grid;place-items:center;font-size:12px}.progress-bar{position:fixed;top:0;left:0;height:3px;background:var(--brand);width:32%;z-index:50}
.directory-hero{padding:46px 0 34px;background:#fff;border-bottom:1px solid var(--line)}.directory-hero h1{font-family:"Plus Jakarta Sans","Noto Sans SC",sans-serif;font-size:44px;letter-spacing:-.05em;margin:12px 0}.directory-hero p{color:var(--muted);font-size:13px;line-height:1.7}.directory-main{padding:44px 0 96px}.learning-path{background:var(--ink);color:#fff;border-radius:23px;padding:34px;margin-bottom:34px}.learning-path-head{display:flex;justify-content:space-between;gap:30px;align-items:flex-end}.learning-path h2{font-size:26px;margin:0 0 9px}.learning-path p{color:#aaa;font-size:12px;margin:0}.path-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:28px}.path-step{background:#262628;border:1px solid #3a3a3c;border-radius:14px;padding:16px}.path-step b{width:27px;height:27px;background:var(--brand);border-radius:8px;display:grid;place-items:center;font-size:12px;margin-bottom:18px}.path-step strong{display:block;font-size:12px}.path-step span{color:#8f8f94;font-size:12px}.course-grid,.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.course-card,.tool-card{background:#fff;border:1px solid var(--line);border-radius:17px;overflow:hidden;transition:.2s ease}.course-card:hover,.tool-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.course-cover{height:165px;padding:19px;background:var(--brand-soft);display:flex;flex-direction:column;justify-content:space-between}.course-cover.dark{background:var(--ink);color:#fff}.course-cover .level{font-size:12px;font-weight:700;letter-spacing:.11em}.course-cover b{font-family:"Plus Jakarta Sans",sans-serif;font-size:34px;align-self:flex-end;opacity:.14}.course-copy,.tool-copy{padding:18px}.course-copy h2,.tool-copy h2{font-size:14px;margin:0 0 8px}.course-copy p,.tool-copy p{color:var(--muted);font-size:12px;line-height:1.65;height:34px;overflow:hidden}.course-meta,.tool-meta{display:flex;justify-content:space-between;color:var(--subtle);font-size:12px;margin-top:15px}.tool-toolbar{display:flex;gap:10px;align-items:center;justify-content:space-between;margin-bottom:26px}.tool-toolbar .page-search{width:360px}.tool-categories{display:flex;gap:7px;flex-wrap:wrap}.tool-logo{height:110px;background:var(--soft);display:grid;place-items:center}.tool-logo span{width:52px;height:52px;border-radius:16px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;color:var(--brand);font-weight:800}.price{color:var(--success);font-weight:700}
.about-hero{padding:72px 0 62px;background:#fff}.about-hero-inner{max-width:900px}.about-hero .eyebrow{color:var(--brand);font-size:12px;font-weight:700;letter-spacing:.14em}.about-hero h1{font-family:"Plus Jakarta Sans","Noto Sans SC",sans-serif;font-size:58px;line-height:1.1;letter-spacing:-.055em;margin:20px 0}.about-hero p{max-width:760px;color:var(--muted);font-size:16px;line-height:1.85}.about-section{padding:90px 0}.about-section.soft{background:var(--soft)}.about-title{display:grid;grid-template-columns:280px 1fr;gap:50px}.about-title h2{font-family:"Plus Jakarta Sans","Noto Sans SC",sans-serif;font-size:32px;letter-spacing:-.04em;margin:0}.about-title>div>p{color:var(--muted);font-size:13px;line-height:1.85;margin-top:0}.principle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:30px}.principle{background:#fff;border:1px solid var(--line);border-radius:16px;padding:21px}.principle b{color:var(--brand);font-size:12px}.principle h3{font-size:14px;margin:15px 0 8px}.principle p{color:var(--muted);font-size:12px;line-height:1.7}.timeline{display:grid;gap:12px}.timeline-item{display:grid;grid-template-columns:42px 1fr;gap:14px;align-items:start}.timeline-item b{width:38px;height:38px;background:var(--brand);color:#fff;border-radius:12px;display:grid;place-items:center;font-size:12px}.timeline-item div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:17px}.timeline-item strong{display:block;font-size:12px}.timeline-item span{color:var(--muted);font-size:12px}.faq{display:grid;gap:9px}.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px}.faq summary{cursor:pointer;font-size:12px;font-weight:600}.faq p{color:var(--muted);font-size:12px;line-height:1.7;margin-bottom:0}
@media(max-width:1050px){.skill-overview{grid-template-columns:1fr}.project-card{max-width:620px}.detail-main{grid-template-columns:1fr}.sidebar{position:static;grid-template-columns:repeat(2,1fr)}.article-layout{grid-template-columns:170px minmax(0,1fr)}.article-side{display:none}.article-grid-list,.course-grid,.tool-grid{grid-template-columns:repeat(2,1fr)}.about-title{grid-template-columns:1fr}.principle-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.overview-main{flex-direction:column}.overview-copy h1{font-size:36px}.project-stats{grid-template-columns:1fr}.anchor-row{gap:18px}.pros-cons,.capability-grid,.audience-grid{grid-template-columns:1fr}.info-table th{width:110px}.case-metrics{grid-template-columns:1fr}.sidebar{grid-template-columns:1fr}.feature-article{grid-template-columns:1fr}.feature-cover{min-height:220px}.feature-copy{padding:24px}.article-grid-list,.course-grid,.tool-grid{grid-template-columns:1fr}.article-header h1{font-size:36px}.article-layout{grid-template-columns:1fr;padding-top:34px}.article-toc{display:none}.article-content p,.article-content li{font-size:13px}.path-steps{grid-template-columns:1fr 1fr}.tool-toolbar{align-items:flex-start;flex-direction:column}.tool-toolbar .page-search{width:100%}.about-hero{padding:52px 0}.about-hero h1{font-size:40px}.about-section{padding:68px 0}.principle-grid{grid-template-columns:1fr}}

/* Four-column editorial directories */
.article-grid-list,.course-grid,.tool-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.article-thumb,.course-cover{height:150px}.tool-logo{height:128px}.article-list-card,.course-card,.tool-card{display:block}.article-card-copy h2,.course-copy h2,.tool-copy h2{line-height:1.5}.article-filters{margin:0}.course-card .course-copy,.tool-card .tool-copy{min-height:128px}.card-arrow{color:var(--brand);font-weight:700}.directory-detail-hero{padding:48px 0;background:#fff;border-bottom:1px solid var(--line)}.directory-detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:55px;align-items:center}.detail-eyebrow{color:var(--brand);font-size:12px;font-weight:700;letter-spacing:.13em}.directory-detail-hero h1{font-family:"Plus Jakarta Sans","Noto Sans SC",sans-serif;font-size:48px;line-height:1.12;letter-spacing:-.05em;margin:16px 0}.directory-detail-hero .lead{max-width:700px;color:var(--muted);font-size:14px;line-height:1.8}.detail-meta-row{display:flex;gap:8px;flex-wrap:wrap;margin:21px 0 27px}.detail-meta-row span{padding:7px 10px;background:var(--soft);border-radius:999px;color:var(--muted);font-size:12px}.detail-poster{min-height:260px;border-radius:24px;background:var(--ink);color:#fff;padding:28px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}.detail-poster.orange{background:var(--brand)}.detail-poster span{font-size:12px;font-weight:700;letter-spacing:.13em}.detail-poster b{font-family:"Plus Jakarta Sans",sans-serif;font-size:68px;line-height:.85;letter-spacing:-.08em;opacity:.13;align-self:flex-end}.detail-body{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:48px;padding:54px 0 100px}.detail-content section{padding-bottom:42px;margin-bottom:42px;border-bottom:1px solid var(--line)}.detail-content section:last-child{border:0}.detail-content h2{font-family:"Plus Jakarta Sans","Noto Sans SC",sans-serif;font-size:27px;letter-spacing:-.035em;margin:0 0 17px}.detail-content h3{font-size:15px;margin:25px 0 10px}.detail-content p,.detail-content li{color:var(--muted);font-size:13px;line-height:1.9}.lesson-list{display:grid;gap:10px}.lesson{display:grid;grid-template-columns:38px 1fr auto;gap:13px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px}.lesson b{width:35px;height:35px;border-radius:10px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:12px}.lesson strong{display:block;font-size:12px}.lesson span{color:var(--subtle);font-size:12px}.tool-score-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.tool-score{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px}.tool-score b{font-size:20px;color:var(--brand)}.tool-score span{display:block;color:var(--muted);font-size:12px;margin-top:5px}.detail-side{align-self:start;position:sticky;top:105px;display:grid;gap:13px}.fact-list{display:grid;gap:12px}.fact-row{display:flex;justify-content:space-between;gap:15px;color:var(--muted);font-size:12px}.fact-row b{color:var(--ink);font-weight:600;text-align:right}.full-button{width:100%;justify-content:center}.related-card{display:flex;gap:11px;align-items:center}.related-card-icon{width:40px;height:40px;border-radius:11px;background:var(--soft);color:var(--brand);display:grid;place-items:center;font-weight:800;font-size:12px}.related-card strong{display:block;font-size:12px}.related-card span{color:var(--subtle);font-size:12px}
@media(max-width:1100px){.article-grid-list,.course-grid,.tool-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.directory-detail-grid{grid-template-columns:minmax(0,1fr) 320px}}
@media(max-width:820px){.article-grid-list,.course-grid,.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.directory-detail-grid,.detail-body{grid-template-columns:1fr}.detail-poster{max-width:560px}.detail-side{position:static;grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.article-grid-list,.course-grid,.tool-grid{grid-template-columns:1fr}.directory-detail-hero h1{font-size:37px}.detail-side{grid-template-columns:1fr}.tool-score-grid{grid-template-columns:1fr}.lesson{grid-template-columns:38px 1fr}.lesson>span{grid-column:2}}

/* Real cover hierarchy instead of acronym placeholders */
.course-cover.orange{background:var(--brand);color:#fff}.feature-cover-title{max-width:360px;font-family:"Plus Jakarta Sans","Noto Sans SC",sans-serif;font-size:31px;line-height:1.28;font-weight:700;letter-spacing:-.045em}.overview-brand{width:76px;height:76px;border-radius:22px;background:var(--ink);display:grid;place-items:center;flex:0 0 auto}.overview-brand .brand-mark{width:38px;height:38px;color:#fff}.detail-poster{position:relative}.detail-poster-copy{max-width:260px;display:grid;gap:11px}.detail-poster-copy strong{font-family:"Plus Jakarta Sans","Noto Sans SC",sans-serif;font-size:25px;line-height:1.25;letter-spacing:-.04em}.detail-poster-copy small{font-size:12px;line-height:1.7;opacity:.68}.detail-poster .poster-fingerprint{width:88px;height:88px;position:absolute;right:25px;bottom:20px;color:#fff;background:currentColor;opacity:.12;-webkit-mask:url('../brand/skill-fingerprint.svg') center/contain no-repeat;mask:url('../brand/skill-fingerprint.svg') center/contain no-repeat}.related-brand{width:40px;height:40px;border-radius:11px;background:var(--soft);display:grid;place-items:center;flex:0 0 auto}.related-brand .brand-mark{width:20px;height:20px;color:var(--brand);background:currentColor}.related-skill .related-brand{width:30px;height:30px;border-radius:9px}.related-skill .related-brand .brand-mark{width:15px;height:15px;color:var(--brand);background:currentColor}.lesson .lesson-brand{width:35px;height:35px;border-radius:10px;background:var(--brand-soft);display:grid;place-items:center}.lesson .lesson-brand .brand-mark{width:17px;height:17px;color:var(--brand);background:currentColor}

/* Shared rich-editor body: structured facts above, readable HTML below */
.editor-content,.content-column,.detail-content,.article-content{color:#3f3f43;overflow-wrap:anywhere}
.editor-content h1,.content-column>h1,.detail-content>h1,.article-content>h1{font-family:"Plus Jakarta Sans","Noto Sans SC",sans-serif;font-size:36px;line-height:1.25;letter-spacing:-.045em;margin:0 0 25px;color:var(--ink)}
.editor-content h2,.content-column .content-section>h2,.detail-content section>h2,.article-content h2{font-family:"Plus Jakarta Sans","Noto Sans SC",sans-serif;font-size:28px;line-height:1.4;letter-spacing:-.035em;color:var(--ink);margin:46px 0 18px;scroll-margin-top:130px}
.editor-content h2:first-child,.detail-content section:first-child>h2,.article-content h2:first-child{margin-top:0}
.editor-content h3,.content-column .content-section>h3,.detail-content section>h3,.article-content h3{font-size:19px;line-height:1.5;color:var(--ink);margin:32px 0 13px}
.editor-content h4,.content-column h4,.detail-content h4,.article-content h4{font-size:15px;line-height:1.55;color:var(--ink);margin:25px 0 10px}
.editor-content p,.editor-content li,.content-column .content-section>p,.content-column .content-section>ul li,.detail-content section>p,.detail-content section>ul li,.article-content p,.article-content li{font-size:14px;line-height:2;color:#515158}
.editor-content p,.content-column .content-section>p,.detail-content section>p,.article-content p{margin:0 0 19px}
.editor-content ul,.editor-content ol,.content-column .content-section>ul,.detail-content section>ul,.article-content ul,.article-content ol{padding-left:1.5em;margin:16px 0 23px}
.editor-content li+li,.content-column .content-section li+li,.detail-content section li+li,.article-content li+li{margin-top:7px}
.editor-content strong,.editor-content b,.content-column strong,.detail-content strong,.article-content strong{color:var(--ink);font-weight:700}
.editor-content a:not(.button-primary):not(.button-secondary):not(.lesson):not(.related-card),.content-column .content-section a:not(.button-primary),.detail-content section a:not(.button-primary),.article-content a{color:var(--brand);text-decoration:underline;text-decoration-color:var(--brand-line);text-underline-offset:4px}
.editor-content blockquote,.content-column blockquote,.detail-content blockquote,.article-content blockquote{margin:28px 0;padding:20px 22px;border-left:4px solid var(--brand);border-radius:0 14px 14px 0;background:var(--brand-soft);color:#765a4c;font-size:13px;line-height:1.9}
.editor-content blockquote p,.content-column blockquote p,.detail-content blockquote p,.article-content blockquote p{color:inherit;margin:0}
.editor-content code,.content-column code,.detail-content code,.article-content code{padding:.18em .42em;border:1px solid #e6e1dc;border-radius:6px;background:#f6f3f0;color:#a34720;font:12px/1.55 "SFMono-Regular",Consolas,monospace}
.editor-content pre,.content-column pre,.detail-content pre,.article-content pre{margin:23px 0;padding:20px 22px;overflow:auto;border-radius:15px;background:#202024;color:#eee;font:12px/1.75 "SFMono-Regular",Consolas,monospace;white-space:pre}
.editor-content pre code,.content-column pre code,.detail-content pre code,.article-content pre code{padding:0;border:0;background:transparent;color:inherit;font:inherit}
.editor-content .code-box pre,.content-column .code-box pre,.detail-content .code-box pre,.article-content .code-box pre{margin:0;border-radius:0}
.editor-content table,.content-column table,.detail-content table,.article-content table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:25px 0;background:#fff}
.editor-content th,.editor-content td,.content-column th,.content-column td,.detail-content th,.detail-content td,.article-content th,.article-content td{min-width:120px;padding:13px 15px;border:1px solid var(--line);text-align:left;font-size:12px;line-height:1.65}
.editor-content th,.content-column th,.detail-content th,.article-content th{background:var(--soft);color:var(--ink);font-weight:700}
.editor-content img,.content-column img,.detail-content img,.article-content img{display:block;max-width:100%;height:auto;margin:28px auto;border-radius:15px}
.editor-content figure,.content-column figure,.detail-content figure,.article-content figure{margin:30px 0}
.editor-content figcaption,.content-column figcaption,.detail-content figcaption,.article-content figcaption{text-align:center;color:var(--subtle);font-size:12px;line-height:1.6;margin-top:-18px}
.editor-content hr,.content-column hr,.detail-content hr,.article-content hr{border:0;border-top:1px solid var(--line);margin:44px 0}
@media(max-width:700px){.editor-content h1,.content-column>h1,.detail-content>h1,.article-content>h1{font-size:30px}.editor-content h2,.content-column .content-section>h2,.detail-content section>h2,.article-content h2{font-size:24px}.editor-content h3,.content-column .content-section>h3,.detail-content section>h3,.article-content h3{font-size:17px}.editor-content p,.editor-content li,.content-column .content-section>p,.content-column .content-section>ul li,.detail-content section>p,.detail-content section>ul li,.article-content p,.article-content li{font-size:13px;line-height:1.9}}

/* ================= 列表项内嵌段落收紧（修复 li > p 间距爆炸） ================= */
.editor-content li p, .article-content li p, .detail-content li p {
    margin: 0 0 6px;
    font-size: 13px;
    line-height: 1.8;
}
.editor-content li p:last-child, .article-content li p:last-child, .detail-content li p:last-child {
    margin: 0;
}
/* 列表项间距 */
.editor-content ol > li, .editor-content ul > li,
.article-content ol > li, .article-content ul > li {
    padding: 4px 0 10px;
    border-bottom: 1px solid #f0f0f1;
}
.editor-content ol > li:last-child, .editor-content ul > li,
.article-content ol > li:last-child, .article-content ul > li {
    border-bottom: 0;
}
/* 长链接防溢出 */
.editor-content a, .article-content a {
    word-break: break-all;
    overflow-wrap: anywhere;
}
/* 链接里的纯 URL 缩短显示 */
.editor-content li p a[href*="github.com"] {
    font-size: 12px;
    font-family: "SFMono-Regular", Consolas, monospace;
    color: var(--brand);
    text-decoration: none;
    border-bottom: 1px dashed var(--brand-line);
}

/* ================= 无 TOC 时 article-layout 列修正 ================= */
/* 3 列布局: TOC(190) 正文(760) 侧栏(220); 无 TOC 时正文占中间列 */
.article-layout > .article-content:first-child {
    grid-column: 2;
}
.article-layout > .article-content:first-child ~ .article-side {
    grid-column: 3;
}
/* 无 TOC 时收窄两侧 gap，让正文更居中 */
@media(min-width:701px){
    .article-layout > .article-content:first-child {
        /* 正常 3 列布局由 outer 规则处理 */
    }
}