/* PG editorial reading platform */
:root{color-scheme:dark;--bg:#080A0D;--top:rgba(8,10,13,.96);--panel:#0D1015;--panel2:#12161C;--panel3:#171C23;--hover:#1B2129;--title:#F5F7FA;--body:#C7CDD5;--dim:#9098A3;--blue:#5C7CFA;--bright:#6EA8FF;--ice:#8ED8FF;--purple:#7775FF;--line:rgba(255,255,255,.09);--line2:rgba(255,255,255,.16)}
*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:88px}body{margin:0;background:var(--bg);color:var(--body);font:16px/1.78 Arial,"PingFang SC","Microsoft YaHei",sans-serif}a{color:var(--bright);text-underline-offset:3px}a:hover{color:var(--ice)}button{font:inherit}button,a{outline-offset:4px}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--ice);border-radius:5px}img{max-width:100%;height:auto}h1,h2,h3,p,figure{margin-top:0}h1,h2,h3{line-height:1.38;color:var(--title);letter-spacing:-.02em}h1{font-size:34px}h2{font-size:24px}h3{font-size:19px}p{margin-bottom:16px}small{font-size:13px}.shell{max-width:1200px;margin:auto;padding:0 24px}.skip-link{position:absolute;left:-9999px;z-index:120;background:var(--panel);padding:10px}.skip-link:focus{left:12px;top:12px}.site-header{position:sticky;top:0;z-index:80;background:var(--top);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}.header-inner{height:68px;display:flex;align-items:center;gap:25px}.brand{flex:none;display:flex;align-items:center;text-decoration:none;color:var(--title);min-width:130px}.brand img{max-width:145px;max-height:34px;width:auto;height:auto;object-fit:contain}.brand-text{font-weight:800;font-size:23px;letter-spacing:.05em;color:var(--title)}.brand-text span{color:var(--bright)}.desktop-nav{display:flex;gap:22px;align-items:center;margin-left:auto;min-width:0}.desktop-nav a{font-size:14px;color:var(--body);white-space:nowrap;text-decoration:none}.desktop-nav a[aria-current]{color:var(--bright);font-weight:700}.desktop-nav a:hover{color:var(--ice)}.menu-trigger{border:1px solid var(--line2);background:var(--panel2);color:var(--title);border-radius:8px;padding:8px 12px;white-space:nowrap;cursor:pointer;font-size:14px}.entry{background:var(--blue);color:#fff;padding:9px 14px;border-radius:8px;font-weight:700;font-size:14px;text-decoration:none;white-space:nowrap}.entry:hover{background:var(--bright);color:#080A0D}.fallback-categories{font-size:13px;color:var(--dim);margin:15px 0 27px}.fallback-categories a{text-decoration:none}.fallback-categories span{margin-right:7px}.menu-shade{position:fixed;inset:0;background:rgba(0,0,0,.62);z-index:86}.menu-shade[hidden],.menu-panel[hidden]{display:none!important}.menu-panel{position:fixed;z-index:90;top:69px;right:max(24px,calc((100vw - 1200px)/2 + 24px));width:min(620px,calc(100vw - 48px));max-height:min(77vh,650px);overflow:auto;background:var(--panel2);border:1px solid var(--line2);border-radius:0 0 14px 14px;box-shadow:0 20px 80px #0009}.menu-top{position:sticky;top:0;z-index:1;display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--line);background:var(--panel2);color:var(--title)}.menu-close{background:none;border:1px solid var(--line2);border-radius:8px;color:var(--body);padding:3px 11px;cursor:pointer}.menu-body{padding:12px 20px 24px}.menu-group{padding:14px 0;border-bottom:1px solid var(--line)}.menu-group h2{font-size:14px;color:var(--dim);font-weight:700;margin-bottom:8px}.menu-links{display:flex;gap:9px 15px;flex-wrap:wrap}.menu-links a,.menu-all{font-size:14px;color:var(--body);text-decoration:none}.menu-links a:hover,.menu-all:hover{color:var(--ice)}.menu-all{display:inline-block;margin-top:20px;font-weight:700;color:var(--bright)}.site-footer{margin-top:80px;padding:38px 0 18px;background:#050608;border-top:1px solid var(--line)}.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px}.foot-grid>div{min-width:0}.foot-grid>div:not(:first-child){display:flex;flex-direction:column;gap:5px}.foot-grid strong{color:var(--title)}.foot-grid a{font-size:14px;text-decoration:none}.foot-brand{font-weight:750;color:var(--title)!important;font-size:20px!important}.foot-brand small{display:block;font-size:12px;font-weight:400;color:var(--dim)}.foot-grid p{font-size:13px;color:var(--dim);margin:8px 0}.foot-bottom{font-size:12px;color:var(--dim);padding-top:20px;margin-top:20px;border-top:1px solid var(--line)}.backtop{position:fixed;bottom:20px;right:20px;width:42px;height:42px;background:var(--panel3);color:var(--title);border:1px solid var(--line2);border-radius:10px;cursor:pointer;z-index:75}.backtop[hidden]{display:none}
.eyebrow{font-size:13px;letter-spacing:.1em;font-weight:700;color:var(--bright);margin:0 0 13px}.lead{font-size:17px;line-height:1.85;color:var(--body)}.breadcrumbs{font-size:13px;color:var(--dim);display:flex;gap:9px;align-items:center;margin:0 0 30px}.breadcrumbs a{text-decoration:none;color:var(--dim)}.article-head{padding:6px 0 30px;border-bottom:1px solid var(--line);margin-bottom:32px}.article-head h1{font-size:32px;max-width:850px}.article-head .lead{max-width:820px}.channel-links{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:25px}.channel-links a{font-size:14px;text-decoration:none;color:var(--bright)}.article{max-width:1120px;margin:auto}.section-block{margin:0 0 30px;padding:25px 0;border-bottom:1px solid var(--line)}.section-index{font-size:12px;letter-spacing:.1em;color:var(--blue);font-weight:700}.section-copy{max-width:810px}.section-copy p{max-width:810px}.section-block h2{margin:0 0 16px}.section-copy p:last-child{color:var(--dim)}.related{padding:30px 0;margin-top:35px;border-top:1px solid var(--line2)}.related h2{font-size:20px}.related-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.related-links a{display:flex;flex-direction:column;text-decoration:none;border:1px solid var(--line);background:var(--panel);padding:17px;border-radius:10px;min-width:0;gap:5px}.related-links span{font-size:17px;color:var(--title);font-weight:700}.related-links small{color:var(--dim);line-height:1.5}.related-links a:hover{background:var(--hover)}
/* Independent page-family editorial structures */
.essay .section-block{max-width:850px;margin-left:auto;margin-right:auto}.essay .section-copy{padding-left:28px;border-left:2px solid var(--line2)}.process .section-block{display:grid;grid-template-columns:85px minmax(0,1fr);gap:28px}.process .section-index{padding-top:8px}.matrix-page .section-block{border-left:3px solid var(--blue);padding-left:25px;background:linear-gradient(90deg,rgba(92,124,250,.045),transparent 50%)}.field-notes .section-block{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(0,.4fr);gap:16px}.field-notes .section-copy{grid-column:1}.field-notes .section-index{grid-column:2;grid-row:1;text-align:right}.lexicon .section-block{background:var(--panel);padding:25px;border-radius:12px;display:grid;grid-template-columns:65px minmax(0,1fr);gap:14px}.article-split .section-block:nth-of-type(odd) .section-copy{margin-left:auto}.article-split .section-block:nth-of-type(even) .section-copy{margin-right:auto}.journal .section-block{max-width:790px;padding:35px 0}.notebook .section-block{padding:27px 30px;background:var(--panel);border:1px solid var(--line);border-radius:12px;margin-bottom:17px}.analysis-page .section-block{display:grid;grid-template-columns:160px minmax(0,1fr);gap:30px;border-top:1px solid var(--line);border-bottom:0}.guide-page .section-block{max-width:850px}.guide-page .section-block h2{padding-bottom:10px;border-bottom:1px solid var(--line2)}.jump-links{display:flex;gap:12px;flex-wrap:wrap;margin:12px 0 27px}.jump-links a{padding:7px 15px;border:1px solid var(--line2);border-radius:8px;text-decoration:none}
.table-scroll{max-width:100%;overflow-x:auto;scrollbar-color:var(--dim) var(--panel)}table{border-collapse:collapse;min-width:570px;width:100%;background:var(--panel);font-size:15px}caption{text-align:left;color:var(--dim);margin-bottom:8px;font-size:13px}td,th{padding:13px 15px;border:1px solid var(--line);text-align:left;vertical-align:top}th{color:var(--title);background:var(--panel3)}.note{font-size:14px;color:var(--dim);margin-top:16px}.media-natural{display:grid;place-items:center;min-width:0;padding:8px;border-radius:12px;background:#0D1015}.media-natural img{display:block;width:auto;height:auto;max-width:100%;max-height:var(--image-max-height,280px);object-fit:contain;object-position:center}.media-missing{display:grid;place-items:center;text-align:center;padding:25px;min-height:115px;border:1px dashed var(--line2);border-radius:12px;background:var(--panel);color:var(--dim);font-size:14px}.image-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.image-grid figure,.home-images figure{min-width:0;margin:0}.image-grid figcaption,.home-images figcaption{font-size:13px;color:var(--dim);margin:8px 0 0}.study-figure{margin:20px auto 30px;max-width:850px}.study-figure figcaption{font-size:15px;line-height:1.85;color:var(--dim);margin-top:11px}.feature-media{max-width:850px}.mobile-visual{max-width:450px}.reading-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;list-style:decimal inside;padding:0}.reading-list li{padding:18px;background:var(--panel);border:1px solid var(--line);border-radius:10px}.reading-list p{font-size:14px;color:var(--dim);margin:7px 0}.reading-list strong{color:var(--title)}.faq-list details{border-bottom:1px solid var(--line);padding:14px 0}.faq-list summary{cursor:pointer;color:var(--title);font-weight:650}.faq-list details p{margin:12px 0 0;max-width:760px}.rules{max-width:1000px}
.home-masthead{display:grid;grid-template-columns:minmax(0,2.4fr) minmax(180px,.6fr);gap:38px;align-items:end;padding:18px 0 36px}.home-masthead h1{font-size:38px;max-width:850px}.home-masthead .lead{max-width:850px}.home-prompts{display:grid;gap:11px;padding-bottom:8px}.home-prompts span{border-bottom:1px solid var(--line2);padding:11px 3px;font-size:14px;color:var(--bright)}.home-poster{margin:5px 0 40px}.home-poster .media-natural{background:transparent}.home-section{padding:30px 0 46px;border-top:1px solid var(--line)}.section-heading{margin-bottom:22px}.section-heading p:not(.eyebrow){max-width:800px;color:var(--dim)}.question-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.question-grid a{min-width:0;text-decoration:none;background:var(--panel);border:1px solid var(--line);padding:23px;border-radius:12px;color:var(--body)}.question-grid a:hover{background:var(--hover)}.question-grid span{font-size:13px;color:var(--bright)}.question-grid h3{font-size:20px;margin:10px 0}.question-grid p{font-size:15px;line-height:1.78;margin:0}.editorial-layout{display:grid;grid-template-columns:1.35fr 1fr;gap:22px}.editorial-lead{padding:27px;background:var(--panel);border-radius:12px}.editorial-lead h3{font-size:24px}.editorial-stack{display:grid;gap:12px}.editorial-stack a{padding:20px;border:1px solid var(--line);border-radius:10px;text-decoration:none;background:var(--panel2)}.editorial-stack strong{display:block;color:var(--title);font-size:17px}.editorial-stack p{font-size:14px;line-height:1.65;color:var(--dim);margin:5px 0 0}.text-link{display:inline-block;margin-top:10px}.home-images{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.inline-links,.service-links{display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:21px}.rule-strip{margin:10px 0 35px;background:var(--panel2);border:1px solid var(--line);border-radius:14px;padding:28px;display:grid;grid-template-columns:2fr 1fr;gap:28px}.rule-strip p{margin-bottom:0}.rule-links{display:flex;flex-direction:column;justify-content:center;gap:12px}.rule-links a{padding:13px;text-decoration:none;background:var(--panel3);border-radius:8px}.theme-path>p{max-width:870px}.three-paths{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.three-paths a{padding:18px;border:1px solid var(--line);text-decoration:none;background:var(--panel);border-radius:10px}.three-paths small{color:var(--dim)}.home-service{padding-bottom:0}.home-service>p{max-width:880px}
.categories{max-width:1120px;margin:auto}.category-purpose,.category-full{margin:35px 0}.purpose-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.purpose-grid>div{background:var(--panel);border:1px solid var(--line);padding:20px;border-radius:10px}.purpose-grid h3{margin-bottom:10px}.purpose-grid p{font-size:14px;color:var(--dim)}.category-group{margin-top:25px}.category-group h3{font-size:18px;color:var(--ice)}.category-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.category-links a{padding:13px 16px;background:var(--panel2);border:1px solid var(--line);border-radius:9px;text-decoration:none;display:flex;justify-content:space-between;align-items:center;gap:10px}.category-links small{color:var(--dim)}.category-last{margin:35px 0}
@media(max-width:1050px){.desktop-nav{gap:13px}.header-inner{gap:16px}.brand{min-width:110px}.brand img{max-width:110px}.desktop-nav a{font-size:13px}}@media(max-width:940px){.desktop-nav{display:none}.header-inner{justify-content:space-between}.brand{margin-right:auto}.menu-panel{right:18px}}@media(max-width:700px){body{font-size:15px;line-height:1.78}.shell{padding:0 16px}.header-inner{height:64px;gap:8px}.brand{min-width:0}.brand img{max-width:96px;max-height:33px}.brand-text{font-size:19px}.menu-trigger{min-height:44px;padding:8px 10px;font-size:14px}.entry{font-size:13px;padding:9px 10px;min-height:42px;display:flex;align-items:center}.menu-panel{top:auto;right:0;left:0;bottom:0;width:100%;max-height:85vh;max-height:85dvh;border-radius:17px 17px 0 0;padding-bottom:env(safe-area-inset-bottom);overscroll-behavior:contain}.menu-shade{background:rgba(0,0,0,.7)}body.menu-open{overflow:hidden}.menu-top{padding:14px 16px}.menu-body{padding:8px 16px 20px}.menu-group{padding:12px 0}.menu-links{gap:12px 20px}.menu-links a{min-height:30px}.fallback-categories{margin:12px 0 22px}.breadcrumbs{margin-bottom:23px}.article-head{margin-bottom:23px}.article-head h1{font-size:27px}.lead{font-size:16px}.section-block{margin-bottom:18px;padding:22px 0}.section-block h2,.home-section h2{font-size:21px}.section-copy p{font-size:15px}.process .section-block,.analysis-page .section-block,.lexicon .section-block,.field-notes .section-block{display:block}.notebook .section-block,.lexicon .section-block{padding:18px}.matrix-page .section-block{padding-left:16px}.essay .section-copy{padding-left:15px}.related-links,.image-grid,.home-images,.three-paths,.category-links{grid-template-columns:1fr}.related-links{gap:10px}.home-masthead{display:block;padding:10px 0 30px}.home-masthead h1{font-size:29px}.home-prompts{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.home-prompts span{padding:5px 10px;border:1px solid var(--line2);border-radius:8px}.home-section{padding:24px 0 33px}.home-poster{margin-bottom:25px}.question-grid,.editorial-layout,.rule-strip,.purpose-grid{grid-template-columns:1fr}.question-grid a{padding:18px}.editorial-lead{padding:20px}.rule-strip{padding:20px;gap:15px}.foot-grid{grid-template-columns:1fr 1fr;gap:28px}.foot-grid>div:first-child{grid-column:span 2}.site-footer{margin-top:48px}.reading-list{grid-template-columns:1fr}.home-images .media-natural{--image-max-height:170px!important}.home-poster .media-natural{--image-max-height:170px!important}.image-grid .media-natural{--image-max-height:160px!important}.feature-media .media-natural{--image-max-height:210px!important}.mobile-visual .media-natural{--image-max-height:280px!important}.site-footer{padding-top:29px}}
@media(max-width:375px){.header-inner{gap:6px}.brand img{max-width:85px}.brand-text{font-size:17px}.menu-trigger{padding:6px 8px}.entry{padding:7px 8px}.home-masthead h1{font-size:26px}.article-head h1{font-size:24px}.category-links a{display:block}.category-links small{display:block}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}