:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--canvas:#fbfaf8;--paper:#fff;--soft:#f7f6f3;--line:#e7e2d9;--line-strong:#d8d1c7;--ink:#2f3437;--muted:#6b6f73;--accent:#5e4db2;--brand-claude:#d97757;--brand-codex:#0d0d0d;--brand-codex-icon:#3f56f6;--link:#1a73e8;--warning:#946c00;--success:#3e7a57;--article-width:800px}*{box-sizing:border-box}html,body{background:var(--canvas);min-height:100%;color:var(--ink);margin:0;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}.entry-page{place-items:center;min-height:100vh;padding:32px;display:grid}.entry-hero{border:1px solid var(--line);background:var(--paper);border-radius:12px;width:min(760px,100%);padding:40px}.eyebrow{color:var(--muted);margin:0 0 12px;font-size:13px}.entry-hero h1{letter-spacing:0;margin:0;font-size:34px;line-height:1.2}.entry-copy{color:var(--muted);line-height:1.7}.entry-actions{flex-wrap:wrap;gap:8px;margin-top:24px;display:flex}.entry-actions a{border:1px solid var(--line);background:var(--soft);border-radius:8px;padding:10px 12px;font-size:14px}.product-gallery-page{background:var(--paper);min-height:calc(100vh - 52px);padding:44px 48px 80px}.product-gallery-shell{grid-template-columns:minmax(230px,360px) minmax(0,1fr);align-items:start;gap:44px;width:min(1560px,100%);margin:0 auto;display:grid}.product-gallery-title{align-items:flex-end;width:min(1560px,100%);margin:0 auto 52px;padding-top:26px;display:flex}.product-gallery-title h1{letter-spacing:0;margin:0;font-size:46px;font-weight:740;line-height:1.08}.product-rail{min-width:0}.rail-section{padding-bottom:24px}.rail-section+.rail-section{border-top:1px solid var(--line);padding-top:24px}.rail-section h2{margin:0 0 14px;font-size:20px;line-height:1.25}.rail-section p{color:var(--muted);margin:0;font-size:14px;line-height:1.65}.reference-trigger{border:1px solid var(--line);width:100%;color:var(--ink);cursor:pointer;text-align:left;background:#fffdfa;border-radius:8px;padding:14px}.reference-trigger:hover{border-color:var(--line-strong)}.reference-trigger span{color:var(--muted);margin-bottom:8px;font-size:12px;font-weight:750;line-height:1;display:block}.reference-trigger strong{font-size:15px;line-height:1.35;display:block}.reference-modal-layer{z-index:60;overscroll-behavior:contain;place-items:center;padding:24px;display:grid;position:fixed;inset:0;overflow:hidden}.reference-modal-layer[hidden]{display:none}.reference-modal-backdrop{cursor:pointer;background:#18181852;border:0;position:fixed;inset:0}.reference-modal{z-index:1;overscroll-behavior:contain;border:1px solid var(--line);background:var(--paper);-webkit-overflow-scrolling:touch;border-radius:8px;width:min(760px,100%);max-height:min(720px,100vh - 48px);padding:20px;position:relative;overflow:auto;box-shadow:0 24px 70px #2f34372e}.reference-modal-header{align-items:flex-start;margin-bottom:18px;display:flex}.reference-modal-header h2{letter-spacing:0;margin:0;font-size:24px;line-height:1.2}.reference-card-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;display:grid}.reference-card{border:1px solid var(--line);background:#fffdfa;border-radius:8px;min-width:0;display:block;overflow:hidden}.reference-card:hover{border-color:var(--line-strong)}.reference-card-cover{aspect-ratio:1.72;background:radial-gradient(circle at 20% 18%,#ffffffb8,#0000 28%),linear-gradient(135deg,#f3e2d7 0%,#d97757 54%,#2f3437 100%);display:block;overflow:hidden}.reference-card-cover img{object-fit:cover;width:100%;height:100%;display:block}.reference-card-cover.is-empty{background:linear-gradient(135deg,#f7e6d6eb,#fffdfaeb),repeating-linear-gradient(135deg,#2f343714 0 1px,#0000 1px 12px)}.reference-card-body{border-top:1px solid var(--line);padding:13px 14px 14px}.reference-card strong{font-size:16px;line-height:1.35;display:block}.reference-card p{color:var(--muted);margin:8px 0 0;font-size:13px;line-height:1.55}.product-gallery-panel{min-width:0}.product-gallery-header{max-width:880px;margin-bottom:28px}.product-gallery-header h1{letter-spacing:0;margin:0;font-size:38px;line-height:1.18}.product-gallery-header p:last-child{color:var(--muted);margin:14px 0 0;font-size:15px;line-height:1.7}.database-title{color:var(--ink);background:#f7e6d6;border-radius:6px;justify-content:space-between;align-items:center;gap:12px;padding:7px 10px;font-size:20px;font-weight:750;line-height:1.25;display:flex}.database-title span:last-child{color:var(--muted);font-size:13px;font-weight:650}.course-article{width:min(var(--article-width), 100%);margin:0 auto;font-size:16px;line-height:1.76}.course-article h1,.course-article h2,.course-article h3{letter-spacing:0;line-height:1.28}.course-article h1{margin:0 0 28px;font-size:34px}.course-article h2{margin:44px 0 14px;font-size:24px}.course-article h3{margin:30px 0 12px;font-size:19px}.course-article p,.course-article ul,.course-article ol,.course-article table,.course-article pre,.course-article blockquote,.course-media{margin:18px 0}.course-article ul,.course-article ol{padding-left:30px}.course-article ul.contains-task-list{padding-left:0;list-style:none}.course-article li{padding-left:4px}.course-article li.task-list-item{align-items:center;gap:8px;padding-left:0;display:flex}.course-article li.task-list-item input[type=checkbox]{flex:none;margin:0}.course-article li+li{margin-top:3px}.course-article li p{margin:6px 0}.course-article li p:first-child{margin-top:0}.course-article li p:last-child{margin-bottom:0}.course-article blockquote{border:1px solid var(--line);border-left:4px solid var(--success);color:var(--ink);background:#fbfbf7;border-radius:8px;padding:14px 16px}.course-article .course-details-normalized{border-left-color:var(--accent);background:var(--paper)}.course-article[data-product=claude-code] .course-callout{border-left-color:var(--brand-claude);background:#fff7f2}.course-article[data-product=codex] .course-callout{border-left-color:var(--brand-codex);background:#f4f6ff}.course-article .course-media-missing{border-left-color:var(--warning);background:#fff8e6}.course-article blockquote p{margin:0}.course-article blockquote p+p,.course-article blockquote pre{margin-top:12px}.course-article blockquote strong:first-child{margin-bottom:2px;display:inline-block}.course-article a{color:var(--link);text-underline-offset:3px;text-decoration:underline;text-decoration-thickness:1px}.course-article a:hover{color:#1558b0}.course-article code{background:var(--soft);border-radius:5px;padding:2px 5px;font-size:.92em}.course-article pre{color:#f4f1e8;background:#252729;border-radius:8px;padding:16px;overflow-x:auto}.course-article pre code{background:0 0;padding:0}.course-article table{border-collapse:collapse;width:100%;font-size:14px}.course-article th,.course-article td{border:1px solid var(--line);vertical-align:top;padding:10px}.course-article th{background:var(--soft);font-weight:650}.course-media{width:min(var(--article-width), 100%);border:1px solid var(--line);background:var(--paper);border-radius:8px;max-width:100%;padding:10px}.course-media img{border-radius:6px;width:100%;max-width:100%;height:auto;display:block}.course-media figcaption{color:var(--muted);margin-top:8px;font-size:13px;line-height:1.6}.site-header{z-index:20;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fbfaf8e6;justify-content:space-between;align-items:center;gap:18px;height:52px;padding:0 18px;display:flex;position:sticky;top:0}.site-brand{align-items:center;gap:9px;min-width:0;height:36px;display:inline-flex}.site-brand-icon{object-fit:contain;border-radius:8px;flex:none;width:32px;height:32px}.site-brand-wordmark{object-fit:contain;width:auto;max-width:150px;height:18px}.product-toggle{--toggle-brand:var(--brand-claude);width:232px;height:34px;color:var(--ink);background:#fff7f2;border:1px solid #d977574d;border-radius:999px;padding:3px;transition:background-color .22s,border-color .22s;position:relative;overflow:hidden;box-shadow:0 1px 2px #2f34370a}.product-toggle.is-codex{--toggle-brand:var(--brand-codex);background:#f4f5f7;border-color:#0d0d0d3d}.product-toggle:before{content:"";background:var(--toggle-brand);border-radius:999px;width:calc(50% - 3px);height:calc(100% - 6px);transition:transform .22s,background-color .22s,box-shadow .22s;position:absolute;top:3px;left:3px;box-shadow:0 6px 14px #2f343724}.product-toggle.is-codex:before{transform:translate(100%)}.product-toggle-link{z-index:1;grid-template-columns:1fr 1fr;align-items:center;width:100%;height:100%;display:grid;position:relative}.product-toggle-option{min-width:0;height:100%;color:var(--muted);pointer-events:none;white-space:nowrap;border-radius:999px;place-items:center;font-size:13px;font-weight:700;line-height:1;transition:color .18s;display:grid}.product-toggle-option.is-active{color:var(--paper)}.course-layout{grid-template-columns:260px minmax(24px, 1fr) minmax(0, var(--article-width)) 210px minmax(24px, 1fr);background:var(--paper);min-height:calc(100vh - 52px);display:grid}.course-layout.single-column{grid-template-columns:minmax(0,1fr)}.course-sidebar{border-right:1px solid var(--line);background:var(--soft);grid-area:1/1;height:calc(100vh - 52px);padding:18px 12px;position:sticky;top:52px;overflow-y:auto}.course-article-shell{grid-area:1/3/auto/5;grid-template-columns:minmax(0, var(--article-width)) 210px;align-items:start;min-width:0;display:grid}.sidebar-group{margin-bottom:18px}.sidebar-group h2{color:var(--muted);margin:0 8px 8px;font-size:12px;font-weight:650}.sidebar-link{color:#52575b;border-radius:7px;padding:7px 8px;font-size:13px;line-height:1.35;display:block}.sidebar-link.active{background:var(--paper);color:var(--ink);font-weight:650;box-shadow:inset 0 0 0 1px #2f34370f}.course-main{background:var(--paper);grid-area:1/1;min-width:0;padding:48px 0 80px}.course-layout.single-column .course-main{grid-column:1}.article-toc{grid-area:1/2;place-self:start end;align-items:center;width:190px;height:calc(100vh - 52px);display:flex;position:sticky;top:52px;overflow:visible;transform:translate(56px)}.toc-depth-3{padding-left:12px}.news-list{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px;margin-top:20px;display:grid}.news-list-more{border:1px solid var(--line-strong);min-width:124px;color:var(--ink);cursor:pointer;background:#fffdfa;border-radius:8px;margin:18px auto 0;padding:11px 14px;font-size:14px;font-weight:700;line-height:1;display:block}.news-list-more:hover{border-color:var(--ink)}.news-card{border:1px solid var(--line);background:var(--paper);border-radius:8px;transition:border-color .16s,box-shadow .16s,transform .16s;display:block;overflow:hidden}.news-card:hover{border-color:var(--line-strong);background:#fffdfa;transform:translateY(-2px);box-shadow:0 12px 30px #2f343714}.news-card.is-current{color:var(--paper);background:#2f3437;border-color:#2f3437}.news-card.is-current:hover{background:#2f3437;border-color:#2f3437}.news-card.is-read:not(.is-current) .news-card-body strong{color:#777c80;font-weight:650}.news-card.is-read:not(.is-current) .news-card-body p{color:#969a9f}.news-card-cover{aspect-ratio:1.72;background:radial-gradient(circle at 24% 22%,#ffffffc7,#0000 30%),linear-gradient(135deg,#e7d5c8 0%,#d97757 52%,#2f3437 100%);display:block;position:relative;overflow:hidden}.news-card-cover img{object-fit:cover;width:100%;height:100%;display:block}.news-card-new{z-index:1;color:#fffffff0;text-transform:uppercase;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#18181894;border:1px solid #ffffff47;border-radius:999px;align-items:center;padding:5px 8px;font-size:11px;font-weight:800;line-height:1;display:inline-flex;position:absolute;top:10px;left:10px}.news-card-current{z-index:1;color:#fffffff0;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#1818188a;border:1px solid #ffffff47;border-radius:999px;place-items:center;width:30px;height:30px;display:grid;position:absolute;top:10px;right:10px}.news-card-current svg{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8px;width:17px;height:17px}.news-card-body{border-top:1px solid var(--line);grid-template-rows:auto auto;gap:8px;min-height:132px;padding:13px 14px 14px;display:grid}.news-card-body strong{-webkit-line-clamp:2;-webkit-box-orient:vertical;min-height:44px;font-size:16px;line-height:1.35;display:-webkit-box;overflow:hidden}.news-card.is-current .news-card-body{border-top-color:#ffffff24}.empty-state{color:var(--muted);font-size:14px;line-height:1.6}.news-card-body p{min-height:67px;color:var(--muted);-webkit-line-clamp:3;-webkit-box-orient:vertical;margin:0;font-size:14px;line-height:1.55;display:-webkit-box;overflow:hidden}.news-card.is-current .news-card-body p{color:#ffffffb8}.product-news-section,.product-commands-section{margin-top:38px}.commands-gallery{justify-items:center;gap:16px;margin-top:20px;display:grid}.command-install-panel{width:min(880px,100%);margin:20px auto 0}.command-install-copy{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:8px 16px;margin-bottom:10px;display:flex}.command-install-copy strong{color:var(--ink);letter-spacing:0;font-size:15px;font-weight:680}.command-install-copy span{color:var(--muted);font-size:12px;font-weight:520}.command-shell-block{background:#f7f7f5;border:1px solid #2f343714;border-radius:8px;min-height:106px;padding:20px;position:relative;overflow:hidden}.command-shell-actions{align-items:center;gap:6px;display:inline-flex;position:absolute;top:10px;right:10px}.command-download-links{display:none}.command-shell-button{background:var(--paper);color:var(--ink);cursor:pointer;border:1px solid #2f34371f;border-radius:8px;justify-content:center;align-items:center;padding:9px 11px;font-size:12px;font-weight:620;line-height:1;text-decoration:none;display:inline-flex;box-shadow:0 4px 12px #2f343714}.command-shell-block pre{color:#303030;white-space:pre-wrap;margin:0;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:clamp(12px,.9vw,14px);line-height:1.6;overflow-x:auto}.command-card{border:1px solid var(--line);background:var(--paper);border-radius:8px;width:min(880px,100%);margin:0 auto;padding:clamp(16px,1.8vw,24px);overflow:hidden}.command-card-header h3{color:var(--ink);letter-spacing:0;margin:0;font-size:clamp(18px,1.55vw,24px);font-weight:740;line-height:1.14}.command-card-header p{color:var(--ink);flex-wrap:wrap;align-items:center;gap:11px;margin:10px 0 16px;font-size:clamp(12px,.95vw,14px);font-weight:520;line-height:1.46;display:flex}.command-rating{color:#f4b536;letter-spacing:0;text-shadow:0 1px #2f34371f;white-space:nowrap;font-size:.92em}.command-preview{background:#f7f7f5;border-radius:8px;max-height:430px;padding:clamp(14px,1.5vw,22px);position:relative;overflow:hidden}.command-card.is-expanded .command-preview{max-height:none}.command-preview:after{content:"";pointer-events:none;background:linear-gradient(#f7f7f500,#f7f7f5 74%);height:108px;position:absolute;bottom:0;left:0;right:0}.command-card.is-expanded .command-preview:after{display:none}.command-preview pre{color:#2f3133;white-space:pre-wrap;margin:0;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:clamp(10px,.72vw,12px);line-height:1.55;overflow:hidden}.command-see-more{z-index:1;color:var(--paper);cursor:pointer;background:#303030;border:0;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:10px 14px;font-size:12px;font-weight:500;line-height:1;display:inline-flex;position:absolute;bottom:20px;left:50%;transform:translate(-50%);box-shadow:0 6px 16px #2f343733}.news-detail-page{background:var(--paper);min-height:calc(100vh - 52px)}.news-cover-hero{background:var(--ink);width:100%;height:clamp(168px,24vw,280px);overflow:hidden}.news-cover-hero img{object-fit:cover;object-position:center;width:100%;height:100%;display:block}.news-detail-layout{grid-template-columns:minmax(112px, 168px) minmax(0, calc(var(--article-width) + 46px + 230px));background:var(--paper);justify-content:center;gap:46px;padding:48px 48px 88px;display:grid}.news-date-rail{justify-content:center;min-width:0;padding-top:2px;display:flex}.news-date-card{border-top:2px solid var(--ink);width:116px;color:var(--ink);text-align:center;padding-top:16px}.news-date-card span,.news-date-card small{color:var(--muted);font-size:12px;font-weight:700;line-height:1;display:block}.news-date-card strong{letter-spacing:0;margin:8px 0 9px;font-size:31px;font-weight:800;line-height:1.05;display:block}.news-detail-main{min-width:0}.news-article-shell{grid-template-columns:minmax(0, var(--article-width)) minmax(170px, 230px);align-items:start;gap:46px;min-width:0;display:grid}.news-article-body{min-width:0;margin-bottom:56px}.news-detail-main .course-article{width:100%;margin:0}.news-post-nav{width:min(var(--article-width), 100%);justify-content:space-between;gap:12px;margin:48px 0 0;display:flex}.news-nav-card{border:1px solid var(--line);background:#fffdfa;border-radius:8px;flex:0 calc(50% - 6px);min-width:0;padding:15px;display:block}.news-nav-card:hover{border-color:var(--line-strong)}.news-nav-card span{color:var(--muted);margin-bottom:7px;font-size:12px;font-weight:750;display:block}.news-nav-card strong{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:15px;line-height:1.38;display:-webkit-box;overflow:hidden}.news-nav-card.is-disabled{opacity:.46}.news-remote-rail{place-self:start end;align-items:center;width:190px;min-width:0;height:calc(100vh - 52px);display:flex;position:sticky;top:52px;overflow:visible;transform:translate(56px)}.news-remote{border:1px solid var(--line);background:#fffdfa;border-radius:8px;padding:18px;box-shadow:0 12px 30px #2f343712}.article-toc .news-remote,.news-remote-rail .news-remote{width:100%;max-height:calc(100vh - 96px);overflow-y:auto}.news-remote-link{color:#7d7f82;padding:4px 0;font-size:12px;font-weight:520;line-height:1.45;text-decoration:none;transition:color .12s,transform .12s;display:block}.news-remote-link.toc-depth-3{padding-left:14px;font-size:11.5px;font-weight:500}.news-remote-link.is-seen{color:#a1a4a8}.news-remote-link.is-active{color:var(--brand-claude);font-weight:620;transform:translate(2px)}.news-remote.is-codex .news-remote-link.is-active{color:var(--brand-codex-icon)}.news-more-section{width:min(var(--article-width), 100%);margin-top:42px}.product-rail .news-list{grid-template-columns:1fr;gap:16px;margin-top:0}.product-rail .news-card-cover{aspect-ratio:1.82}.chapter-gallery{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px;margin-top:20px;display:grid}.chapter-card{border:1px solid var(--line);background:var(--paper);border-radius:8px;min-width:0;transition:border-color .16s,box-shadow .16s,transform .16s;display:block;overflow:hidden}.chapter-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:0 12px 30px #2f343714}.chapter-cover{aspect-ratio:1.42;background:#2f3437;position:relative;overflow:hidden}.chapter-cover:after{content:"";background:linear-gradient(#1818181a 0%,#18181857 54%,#181818bd 100%),radial-gradient(circle at 50% 42%,#fff3,#0000 42%);position:absolute;inset:0}.brand-claude{background:#fbf1ec}.brand-codex{background:#111418}.chapter-cover-logo{object-fit:contain;opacity:.9;filter:drop-shadow(0 14px 22px #0000002e);width:44%;max-width:118px;max-height:58%;position:absolute;top:46%;left:50%;transform:translate(-50%,-50%)}.chapter-cover-copy{z-index:1;color:#fffffff5;text-align:left;position:absolute;bottom:14px;left:16px;right:16px}.chapter-cover-copy span{color:#ffffffb8;margin-bottom:7px;font-size:11px;font-weight:750;line-height:1;display:block}.chapter-cover-copy strong{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:18px;font-weight:800;line-height:1.24;display:-webkit-box;overflow:hidden}.chapter-card-body{border-top:1px solid var(--line);padding:13px 14px 14px}.chapter-card-body strong{color:var(--ink);font-size:16px;line-height:1.35;display:block}.section-title{margin:40px 0 0;font-size:20px}.admin-page{background:var(--paper);min-height:calc(100vh - 52px);padding:48px}.admin-panel,.admin-wide-panel{border:1px solid var(--line);background:#fffdfa;border-radius:8px;width:min(720px,100%);margin:0 auto;padding:24px}.admin-wide-panel{width:min(1080px,100%)}.admin-panel h1,.admin-wide-panel h1{margin:0;font-size:30px;line-height:1.22}.admin-login-form{gap:12px;margin-top:22px;display:grid}.admin-login-form label{color:var(--muted);gap:7px;font-size:13px;font-weight:700;display:grid}.admin-login-form input{border:1px solid var(--line-strong);background:var(--paper);min-width:0;color:var(--ink);border-radius:8px;padding:10px 11px;font-size:15px}.admin-actions,.admin-page-header,.admin-news-row-actions,.admin-news-detail-meta{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.admin-actions{margin-top:22px}.admin-page-header{border-bottom:1px solid var(--line);justify-content:space-between;padding-bottom:18px}.admin-actions a,.admin-page-header a,.admin-news-row-actions a,.admin-news-detail-meta a,.admin-login-form button,.admin-actions button,.admin-page-header button,.admin-news-row-actions button,.admin-news-detail-meta button{border:1px solid var(--line-strong);background:var(--paper);min-height:38px;color:var(--ink);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;padding:9px 12px;font-size:14px;font-weight:700;line-height:1;display:inline-flex}.admin-login-form button,.admin-news-row-actions button,.admin-news-detail-meta button{border-color:var(--ink);background:var(--ink);color:var(--paper)}.admin-news-list{gap:12px;margin-top:20px;display:grid}.admin-news-row{border:1px solid var(--line);background:var(--paper);border-radius:8px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:18px;padding:16px;display:grid}.admin-news-row-main{min-width:0}.admin-news-row-main a{margin-top:9px;font-size:17px;font-weight:760;line-height:1.34;display:block}.admin-news-row-main p{color:var(--muted);margin:7px 0 0;font-size:14px;line-height:1.55}.admin-news-row-main small,.admin-news-detail-meta{color:var(--muted);font-size:13px}.admin-news-row-actions{justify-content:flex-end}.admin-visibility-badge{border:1px solid var(--line);text-transform:uppercase;border-radius:999px;align-items:center;min-height:24px;padding:5px 8px;font-size:12px;font-weight:800;line-height:1;display:inline-flex}.admin-visibility-badge.is-public{color:var(--success);background:#edf7f0;border-color:#3e7a5747}.admin-visibility-badge.is-private{color:var(--warning);background:#fff8e6;border-color:#946c0047}.admin-news-banner{width:min(var(--article-width), 100%);border:1px solid var(--line);background:#fffdfa;border-radius:8px;justify-content:space-between;align-items:center;gap:12px;margin:0 0 22px;padding:12px;display:flex}.admin-news-banner a{color:var(--link);font-size:14px;font-weight:700}.admin-news-detail-meta{border-bottom:1px solid var(--line);margin-bottom:24px;padding:18px 0}.admin-news-preview .course-article{width:100%;margin:0}.purchase-gate{max-width:var(--article-width);border:1px solid var(--line);background:#fffdfa;border-radius:8px;padding:22px}.purchase-gate h2{margin:0 0 8px;font-size:20px}.purchase-gate p{color:var(--muted);line-height:1.6}.purchase-gate form{gap:8px;margin:18px 0 12px;display:flex}.purchase-gate input{border:1px solid var(--line-strong);border-radius:8px;flex:1;min-width:0;padding:10px 11px}.purchase-gate button,.purchase-link{border:1px solid var(--line-strong);background:var(--ink);color:#fff;border-radius:8px;padding:10px 12px;font-size:14px}.purchase-link{background:var(--paper);color:var(--ink);display:inline-block}.form-error{color:#a13a2f;font-size:13px}.locked-flow-preview{width:min(var(--article-width), 100%);margin:0 auto}.news-detail-main .locked-flow-preview{width:100%;margin:0}.locked-flow-preview .course-article{width:100%}.locked-flow-veil{min-height:480px;margin-top:28px;padding:10px 0 96px;position:relative;overflow:visible}.locked-placeholder-stack{filter:blur(5px);pointer-events:none;-webkit-user-select:none;user-select:none;gap:15px;margin-inline:-28px;padding-inline:28px;display:grid}.locked-placeholder{border-radius:8px}.locked-placeholder-heading{color:#777c80;white-space:nowrap;font-size:24px;font-weight:680;line-height:1.32;overflow:hidden}.locked-placeholder-heading.is-depth-3{font-size:19px;font-weight:620}.locked-placeholder-heading.is-short{width:34%}.locked-placeholder-heading.is-medium{width:58%}.locked-placeholder-heading.is-long{width:78%}.locked-placeholder-paragraph,.locked-placeholder-quote,.locked-placeholder-code,.locked-placeholder-list{gap:9px;display:grid}.locked-placeholder-paragraph span,.locked-placeholder-quote span,.locked-placeholder-code span,.locked-placeholder-list span{color:#777c80;white-space:nowrap;font-size:16px;line-height:1.76;display:block;overflow:hidden}.locked-placeholder-paragraph span:nth-child(2n),.locked-placeholder-quote span:nth-child(2n),.locked-placeholder-list span:nth-child(2n){width:90%}.locked-placeholder-paragraph span:last-child,.locked-placeholder-quote span:last-child{width:70%}.locked-placeholder-code{background:#2c2e30;border:1px solid #2f343714;padding:16px}.locked-placeholder-code span{color:#ffffff94;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:13px;line-height:1.7}.locked-placeholder-media{aspect-ratio:16/9;border:1px solid var(--line);background:linear-gradient(135deg,#2f343714,#2f343705),repeating-linear-gradient(135deg,#2f343714 0 1px,#0000 1px 14px);overflow:hidden}.locked-placeholder-media img{object-fit:cover;width:100%;height:100%;display:block}.unlock-prompt-shell{z-index:70;opacity:0;pointer-events:none;visibility:hidden;place-items:center;padding:24px;transition:opacity .18s,visibility .18s;display:grid;position:fixed;inset:0}.unlock-prompt-shell.is-visible{opacity:1;visibility:visible}.unlock-prompt-backdrop{cursor:default;pointer-events:auto;background:#2f34372e;position:absolute;inset:0}.unlock-prompt{z-index:1;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);pointer-events:auto;background:#fffdfaf0;border:1px solid #d8d1c7db;border-radius:8px;width:min(420px,100% - 32px);padding:22px;transition:transform .22s,box-shadow .22s;position:relative;transform:translateY(14px);box-shadow:0 36px 100px #2f34373d,0 12px 34px #2f343729}.unlock-prompt-shell.is-visible .unlock-prompt{transform:translateY(0)}.unlock-prompt h2{margin:0 0 8px;font-size:22px;line-height:1.25}.unlock-prompt p{color:var(--muted);margin:0;font-size:14px;line-height:1.65}.unlock-prompt form{gap:8px;margin:18px 0 12px;display:flex}.unlock-prompt input{border:1px solid var(--line-strong);background:var(--paper);min-width:0;color:var(--ink);border-radius:8px;flex:1;padding:10px 11px}.unlock-prompt button{border:1px solid var(--ink);background:var(--ink);color:var(--paper);cursor:pointer;border-radius:8px;padding:10px 14px}.unlock-prompt button:disabled{cursor:default;opacity:.58}@media (max-width:1080px){.course-layout{grid-template-columns:220px minmax(0,1fr)}.course-article-shell{grid-column:2;grid-template-columns:minmax(0,1fr)}.course-main{padding:40px 28px 72px}.article-toc{display:none}.product-gallery-page{padding:36px 28px 64px}.product-gallery-shell{grid-template-columns:minmax(190px,280px) minmax(0,1fr);gap:28px}.product-gallery-title{margin-bottom:44px;padding-top:22px}.product-gallery-title h1{font-size:40px}.chapter-gallery{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}.news-detail-layout{grid-template-columns:120px minmax(0,1fr);gap:28px;padding:40px 28px 72px}.news-article-shell{grid-template-columns:minmax(0,1fr)}.news-remote-rail{display:none}.admin-news-row{grid-template-columns:1fr}.admin-news-row-actions{justify-content:flex-start}}@media (max-width:760px){.site-header{gap:10px;padding:0 14px}.site-brand{flex:none;gap:0}.site-brand-icon{width:30px;height:30px}.site-brand-wordmark{display:none}.product-toggle{width:min(218px,100vw - 72px)}.course-layout{grid-template-columns:1fr}.course-article-shell,.course-main{grid-area:auto/1}.course-sidebar{border-right:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-area:auto/1;height:auto;position:static}.course-main{padding:30px 22px 56px}.product-gallery-page{padding:26px 18px 52px}.product-gallery-shell{grid-template-columns:1fr}.product-gallery-title{margin-bottom:38px;padding-top:18px}.product-gallery-title h1{font-size:31px}.product-gallery-panel{order:1}.product-rail{order:2;position:static}.product-gallery-header h1{font-size:30px}.chapter-gallery{grid-template-columns:1fr}.news-detail-layout{grid-template-columns:1fr;gap:24px;padding:30px 22px 56px}.news-cover-hero{height:150px}.news-date-rail{justify-content:flex-start}.news-date-card{text-align:left;width:auto;min-width:116px}.news-post-nav{flex-direction:column}.news-nav-card{flex-basis:auto}.admin-page{padding:26px 18px 52px}.admin-panel,.admin-wide-panel{padding:18px}.admin-page-header,.admin-news-detail-meta{flex-direction:column;align-items:flex-start}.admin-actions,.admin-news-row-actions{flex-direction:column;align-items:stretch}.admin-actions a,.admin-actions form,.admin-actions button,.admin-news-row-actions a,.admin-news-row-actions form,.admin-news-row-actions button{width:100%}.purchase-gate form,.unlock-prompt form{flex-direction:column}.locked-placeholder-stack{margin-inline:0;padding-inline:0}}