:root{--bg:#FFFFFF;--surface:#F5F7FA;--subtle:#EEF1F6;--ink:#0A1628;--body:#1E2A3A;--muted:#4A5568;--hint:#718096;--blue:#0033A0;--bright:#0052CC;--deep:#002066;--border:rgba(0,51,160,.14);--shadow:0 12px 36px rgba(0,33,102,.08);--topbar:22px;--masthead:68px;--tabs:44px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:clip}
body{margin:0;min-width:0;overflow-x:clip;background:var(--bg);color:var(--body);font:400 16px/1.77 -apple-system,BlinkMacSystemFont,"Noto Sans CJK SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;-webkit-font-smoothing:antialiased}
body.overlay-open{overflow:hidden}
a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{display:block;max-width:100%}
[hidden]{display:none!important}
:focus-visible{outline:3px solid #69A8FC;outline-offset:3px}
a,button{ -webkit-tap-highlight-color:transparent}
.container{width:min(100% - 32px,1220px);margin-inline:auto}
.fixed-top{position:fixed;inset:0 0 auto;z-index:45;width:100%;background:#fff}
.topline{width:100%;height:var(--topbar);background:var(--deep);color:#fff}
.topline-inner{height:100%;display:flex;justify-content:space-between;align-items:center;position:relative}
.topline-brand{font-size:12px;line-height:1;letter-spacing:.06em;font-weight:700;white-space:nowrap}.topline-dot{opacity:.65;padding:0 5px}
.topline-search{position:relative;margin:0;padding:0 1px 0 8px;height:44px;min-width:80px;align-self:center;border:0;background:transparent;color:#fff;font-size:12px;font-weight:650;display:inline-flex;align-items:center;justify-content:flex-end;gap:9px;z-index:5}
.search-glyph{display:inline-block;width:15px;height:15px;border:2px solid currentColor;border-radius:50%;position:relative;flex:none;transform:scale(.87)}.search-glyph::after{content:"";width:8px;height:2px;background:currentColor;position:absolute;top:11px;left:11px;transform:rotate(45deg);border-radius:2px}
.masthead{height:var(--masthead);background:#fff;border-bottom:1px solid var(--border)}.masthead-inner{height:100%;display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:16px}
.logo-link{display:inline-flex;align-items:center;justify-self:start;min-width:0;min-height:44px;max-width:210px}
.brand-logo{height:34px;max-width:100%;object-fit:contain;object-position:left center;width:auto}
.brand-fallback{font-size:25px;line-height:1;font-weight:850;color:var(--blue);letter-spacing:-.07em}.brand-fallback small{font-size:13px;letter-spacing:.1em;color:var(--muted)}
.catalog-trigger{display:flex;align-items:center;justify-content:center;gap:12px;min-height:44px;min-width:112px;border:1px solid var(--border);border-radius:11px;background:var(--surface);color:var(--ink);font-weight:750;font-size:14px;transition:background .2s,border-color .2s,transform .2s}
.catalog-trigger:hover{background:#E7EDFA;border-color:var(--blue)}
.grid-icon{display:grid;grid-template-columns:repeat(2,7px);grid-template-rows:repeat(2,7px);gap:3px}.grid-icon i{display:block;background:var(--blue);border-radius:2px}
.app-link{justify-self:end;display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:44px;padding:0 21px;border-radius:11px;background:linear-gradient(135deg,#0052CC 0%,#0033A0 50%,#002066 100%);color:#fff;font-size:14px;font-weight:750;white-space:nowrap;transition:box-shadow .2s,transform .2s}
.app-link:hover,.btn-primary:hover{box-shadow:0 9px 20px rgba(0,51,160,.22);transform:translateY(-2px)}
.tabbar{height:var(--tabs);background:var(--surface);border-bottom:1px solid var(--border)}.tabbar-inner{height:100%;display:flex;align-items:center;gap:8px}.tabbar a{font-size:13px;font-weight:700;color:#39516D;padding:5px 18px;min-height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:5px;white-space:nowrap;transition:background .2s,color .2s}.tabbar a:hover{color:var(--blue);background:#E5ECF9}.tabbar a.active{background:var(--blue);color:#fff}
.main-content{padding-top:calc(var(--topbar) + var(--masthead) + var(--tabs) + 26px);padding-bottom:78px}
h1,h2,h3,h4,p{margin-top:0}h1,h2,h3{color:var(--ink);line-height:1.35;letter-spacing:-.02em}h1{font-size:clamp(28px,3vw,32px);margin-bottom:16px;font-weight:850}h2{font-size:23px;margin-bottom:13px;font-weight:800}h3{font-size:18px;font-weight:800;margin-bottom:9px}p{margin-bottom:14px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:11px;line-height:1.5;font-weight:850;letter-spacing:.18em;text-transform:uppercase}
.eyebrow::before{content:"";display:block;width:19px;height:3px;background:var(--bright);border-radius:4px}
.lead{font-size:16px;line-height:1.9;color:var(--muted);max-width:910px}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:22px}.btn{min-height:44px;padding:0 22px;border:1px solid transparent;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:760;white-space:nowrap;transition:transform .2s,background .2s,box-shadow .2s;color:var(--ink)}.btn-primary{background:linear-gradient(135deg,#0052CC 0%,#0033A0 50%,#002066 100%);color:#fff}.btn-outline{background:#fff;border-color:var(--blue);color:var(--blue)}.btn-outline:hover{background:#EEF3FF;transform:translateY(-2px)}.text-link{display:inline-flex;gap:6px;align-items:center;color:var(--blue);font-weight:760;min-height:44px;font-size:14px}.text-link:hover{text-decoration:underline}
.image-slot{background:linear-gradient(135deg,#F0F5FC,#E9F0FB);overflow:hidden;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:13px;min-width:0;width:100%}.image-slot img{display:block;width:100%;height:100%;max-width:100%;object-fit:contain;object-position:center}.image-slot--banner{height:300px}.image-slot--tile{height:205px}.image-slot--wide{height:240px}.image-slot--wide-small{height:185px}.image-slot--phone{height:min(420px,60vw);background:linear-gradient(135deg,#EAF2FF,#F8FBFF)}.image-slot--small{height:185px}
.image-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--deep);font-size:22px;font-weight:700;gap:8px}.image-placeholder span{font-size:12px;letter-spacing:.22em}
.hero{border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);background:#fff;overflow:hidden;margin-bottom:32px}.hero .image-slot{border:0;border-radius:0;background:#E9F0F9}.hero-body{padding:29px 36px 34px}.hero-body h1{max-width:840px;margin:13px 0}.hero-body .lead{max-width:850px;margin:0}
.home-section{margin:0 0 29px;padding:32px 0 4px;border-top:1px solid var(--border)}.section-intro{display:flex;justify-content:space-between;align-items:end;gap:22px;margin-bottom:20px}.section-intro p{font-size:14px;color:var(--muted);max-width:660px;margin:0}.section-intro h2{margin:6px 0 0;font-size:24px}
.topic-strips{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.topic-strip{display:flex;gap:12px;align-items:flex-start;padding:17px 18px;min-height:115px;border:1px solid var(--border);border-radius:11px;background:var(--surface);transition:background .2s,border-color .2s}.topic-strip:hover{background:#EBF2FF;border-color:#A9C2EF}.topic-dot{flex:none;width:10px;height:10px;background:var(--bright);margin-top:6px;border-radius:2px}.topic-strip:nth-child(2n) .topic-dot{background:var(--deep)}.topic-strip strong{display:block;font-size:16px;color:var(--ink)}.topic-strip small{display:block;margin-top:6px;font-size:13px;color:var(--muted);line-height:1.65}
.feature-focus{display:grid;grid-template-columns:43% minmax(0,1fr);gap:30px;align-items:center;padding:24px;border:1px solid var(--border);border-radius:15px;background:linear-gradient(105deg,#F5F7FA,#fff)}.feature-focus .image-slot{height:260px}.feature-focus .lead{font-size:15px}.index-notes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin-top:18px}.index-note{padding:11px 12px;border-radius:8px;background:#F1F5FB;font-size:14px;color:var(--ink)}.index-note b{color:var(--blue);margin-right:12px;font-size:18px}
.cards-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.editorial-card{padding:14px;border:1px solid var(--border);background:#fff;border-radius:14px;box-shadow:0 6px 18px rgba(0,33,102,.035)}.editorial-card .image-slot{margin-bottom:17px}.editorial-card h3{margin:0 5px 10px}.editorial-card p{margin:0 5px 10px;color:var(--muted);font-size:14px;line-height:1.8}.editorial-card .text-link{margin:0 5px}
.split-feature{display:grid;grid-template-columns:minmax(0,1fr) 35%;gap:26px;padding:25px;border:1px solid var(--border);border-radius:14px;background:var(--surface);align-items:center}.split-feature .image-slot{height:224px}.summary-lines{display:grid;gap:9px}.summary-line{display:flex;align-items:baseline;gap:15px;font-size:14px;border-bottom:1px solid var(--border);padding:10px 0}.summary-line strong{font-weight:820;color:var(--blue);font-size:14px}.summary-line p{margin:0;color:var(--muted)}
.theme-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.theme-tile{padding:20px;min-height:148px;border:1px solid var(--border);border-radius:12px;background:#F5F7FA}.theme-tile:nth-child(2),.theme-tile:nth-child(5){background:#EBF2FF}.theme-tile .theme-index{display:block;color:var(--blue);font-size:12px;font-weight:850;letter-spacing:.16em;margin-bottom:13px}.theme-tile h3{font-size:16px}.theme-tile p{font-size:13px;color:var(--muted);line-height:1.65;margin:0}
.shelf-layout{display:grid;grid-template-columns:35% minmax(0,1fr);gap:22px;align-items:start}.shelf-list{display:grid;gap:8px}.shelf-row{display:grid;grid-template-columns:54px minmax(0,1fr) 22px;gap:12px;align-items:center;padding:15px 18px;border:1px solid var(--border);border-radius:10px;background:#fff;min-height:76px}.shelf-row .shelf-code{font-size:19px;font-weight:850;color:var(--blue)}.shelf-row strong{display:block;font-size:15px;color:var(--ink)}.shelf-row small{display:block;font-size:13px;color:var(--muted);line-height:1.6}.shelf-row .shelf-next{color:var(--blue)}
.ranking-layout{display:grid;grid-template-columns:minmax(0,1fr) 34%;gap:24px;align-items:start}.ranking{list-style:none;padding:0;margin:0;display:grid;gap:8px;counter-reset:rank}.ranking li{display:flex;gap:18px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:10px;padding:12px 17px}.ranking b{font-size:40px;line-height:1;color:var(--blue);letter-spacing:-.05em}.ranking strong{display:block;color:var(--ink);font-size:16px}.ranking small{font-size:13px;color:var(--muted)}
.timeline-layout{display:grid;grid-template-columns:minmax(0,1fr) 37%;gap:30px}.timeline{border-left:3px solid #B6C8E6;margin:7px 0 0 12px;display:grid;gap:0}.timeline-item{position:relative;padding:0 0 25px 26px}.timeline-item:last-child{padding-bottom:0}.timeline-item::before{content:"";position:absolute;left:-10px;top:7px;width:17px;height:17px;background:var(--blue);border:3px solid #fff;box-shadow:0 0 0 2px #9BBCF1;border-radius:50%}.status{display:inline-block;font-size:12px;font-weight:820;letter-spacing:.03em;padding:3px 9px;color:var(--blue);background:#ECF2FB;border-radius:6px}.timeline-item h3{margin:9px 0 5px}.timeline-item p{font-size:14px;color:var(--muted);margin:0}
.craft-track{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.craft-step{padding:18px;background:#F3F6FB;border:1px solid var(--border);border-radius:10px}.craft-step b{color:var(--blue);font-size:31px;line-height:1}.craft-step h3{margin:17px 0 8px}.craft-step p{font-size:13px;color:var(--muted);margin:0}
.app-feature{display:grid;grid-template-columns:minmax(0,1fr) 36%;gap:24px;padding:27px 30px;background:linear-gradient(115deg,#F3F7FC,#EAF1FC);border:1px solid var(--border);border-radius:16px;align-items:center}.app-feature p{font-size:15px;color:var(--muted)}.app-icon{display:flex;align-items:center;gap:12px;margin-bottom:18px}.app-icon img{width:53px;height:53px;object-fit:contain;border-radius:11px}.app-icon strong{font-size:20px;color:var(--ink)}.app-feature .image-slot{max-width:330px;justify-self:center;border:0}
.home-bottom{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.bottom-card{background:var(--surface);border-radius:13px;border:1px solid var(--border);padding:23px}.bottom-card p{font-size:14px;color:var(--muted);line-height:1.85}.bottom-card h3{font-size:18px}.footer-tiny-links{display:flex;gap:18px;flex-wrap:wrap;margin-top:10px}
.detail-hero{background:linear-gradient(135deg,#F3F7FC,#fff 75%);border:1px solid var(--border);border-radius:15px;padding:34px 38px;margin-bottom:24px}.detail-hero h1{margin:12px 0 16px}.detail-hero .lead{font-size:16px}.bread{font-size:12px;color:var(--muted);margin-bottom:12px}.bread a{color:var(--blue)}.bread span{margin:0 7px;color:var(--hint)}
.detail-media-row{display:grid;grid-template-columns:1fr 30%;align-items:stretch;gap:20px;margin-bottom:22px}.detail-media-row .image-slot{height:230px}.reading-notice{display:flex;flex-direction:column;justify-content:center;background:var(--deep);border-radius:12px;padding:23px;color:#E7EEFF}.reading-notice .eyebrow{color:#A3C9FF}.reading-notice h2{color:#fff;font-size:19px;margin:12px 0 8px}.reading-notice p{font-size:14px;color:#D2E2F9;margin:0;line-height:1.8}
.article-sections{display:grid;gap:14px;margin:20px 0 25px}.article-section{display:grid;grid-template-columns:62px minmax(0,1fr);gap:14px;padding:22px 24px;border:1px solid var(--border);border-radius:12px;background:#fff}.section-number{font-size:33px;line-height:1;color:#93B2DF;font-weight:850}.article-section h2{font-size:19px;margin:0 0 9px}.article-section p{font-size:15px;line-height:1.88;color:var(--body);margin:0}
.layout-profile .article-sections,.layout-grid .article-sections{grid-template-columns:repeat(2,minmax(0,1fr))}.layout-profile .article-section,.layout-grid .article-section{display:block;min-height:232px}.layout-profile .section-number,.layout-grid .section-number{display:block;margin-bottom:16px}
.layout-numbered .article-section,.layout-ranking .article-section{grid-template-columns:82px minmax(0,1fr)}.layout-ranking .section-number{font-size:52px;color:var(--blue)}
.layout-timeline .article-sections{border-left:3px solid #B6C8E6;margin-left:15px}.layout-timeline .article-section{position:relative;border-left:0;border-radius:0 12px 12px 0}.layout-timeline .section-number{color:var(--blue)}
.layout-shelf .article-section{background:#F7F9FC}.layout-shelf .section-number{font-size:21px;color:var(--blue)}.layout-essay .article-section{grid-template-columns:1fr;max-width:1010px}.layout-essay .section-number{font-size:15px;color:var(--blue)}
.layout-product .article-section,.layout-terms .article-section{grid-template-columns:55px minmax(0,1fr)}.layout-long .article-section:nth-child(2n){background:#F6F8FB}.layout-index .article-section{background:#F9FBFF}
.article-closer{padding:24px 28px;margin:0 0 26px;border-left:4px solid var(--blue);border-radius:0 10px 10px 0;background:#F0F5FC}.article-closer h2{font-size:18px}.article-closer p{margin:0;font-size:15px;line-height:1.85}
.cross-navigation{border-top:1px solid var(--border);padding:25px 0}.cross-navigation h2{font-size:19px}.cross-links{display:flex;flex-wrap:wrap;gap:10px}.cross-links a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 17px;border:1px solid #AFC6E7;color:var(--blue);border-radius:9px;font-size:14px;font-weight:750}.cross-links a:hover{background:#E9F2FF}
.faq-list{display:grid;gap:12px;margin-top:23px}.faq-entry{border:1px solid var(--border);border-radius:12px;background:#fff;padding:23px 24px}.faq-entry h2{font-size:17px;display:flex;gap:13px}.faq-entry h2 span{color:var(--blue);font-weight:850}.faq-entry p{margin:0;color:var(--muted);font-size:15px;line-height:1.85}
.site-footer{background:var(--ink);color:#D6E0ED;padding:45px 0 28px;font-size:13px}.footer-lead{display:flex;justify-content:space-between;gap:45px;align-items:center;padding-bottom:28px;border-bottom:1px solid rgba(218,231,255,.14)}.footer-brand{display:flex;align-items:center;gap:14px}.footer-brand .brand-logo{background:white;padding:4px;border-radius:7px;height:43px}.footer-brand strong{display:block;font-size:23px;color:#fff;line-height:1.1}.footer-brand small{color:#A8BDE0;font-size:12px}.footer-lead p{max-width:520px;margin:0;color:#BDCCE2;line-height:1.75}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin:29px 0 22px}.footer-group h2{color:#fff;font-size:15px;margin-bottom:14px}.footer-group a{display:block;color:#BDC9DA;line-height:1.6;padding:5px 0;min-height:29px;max-width:150px}.footer-group a:hover,.footer-utility a:hover{color:#fff;text-decoration:underline}.footer-utility{display:flex;flex-wrap:wrap;gap:8px 22px;border-top:1px solid rgba(218,231,255,.12);padding-top:15px}.footer-disclaimer{margin-top:18px;color:#BFCCDD;font-size:13px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(218,231,255,.12);padding-top:15px;color:#A0AEC0;font-size:12px}
.overlay{position:fixed;inset:0;background:rgba(6,18,42,.58);opacity:0;visibility:hidden;pointer-events:none;z-index:65;transition:opacity .22s,visibility .22s}.overlay.is-open{visibility:visible;pointer-events:auto;opacity:1}
.catalog-panel{position:fixed;z-index:75;top:calc(var(--topbar) + var(--masthead));left:50%;width:min(100%,1220px);max-height:calc(100dvh - var(--topbar) - var(--masthead) - 15px);overflow-y:auto;overscroll-behavior:contain;transform:translate(-50%,-20px);opacity:0;visibility:hidden;pointer-events:none;background:#fff;border:1px solid #C6D7F2;box-shadow:var(--shadow);border-radius:0 0 16px 16px;transition:opacity .2s,transform .2s,visibility .2s}.catalog-panel.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:translate(-50%,0)}.catalog-heading{width:auto;max-width:none;margin:0;padding:18px 24px;display:flex;justify-content:space-between;gap:16px;align-items:center;border-bottom:1px solid var(--border);background:#F6F9FD}.catalog-title{display:flex;align-items:center;gap:17px}.catalog-title .brand-logo{height:31px}.catalog-title strong{display:block;font-size:18px;color:var(--ink)}.catalog-title span{display:block;font-size:12px;color:var(--muted)}.close-button{flex:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--border);background:#fff;color:var(--blue);font-size:31px;line-height:1}.close-button:hover{background:#DDEAFE}.catalog-columns{width:auto;max-width:none;margin:0;padding:22px 23px 25px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.catalog-group h2{font-size:16px;margin:0 0 10px;display:flex;align-items:center;gap:9px}.mini-rule{width:13px;height:3px;border-radius:3px;background:var(--bright)}.catalog-links{display:grid;gap:7px}.catalog-links a{display:block;position:relative;padding:10px 23px 11px 12px;border-radius:8px;border:1px solid transparent;min-height:66px;background:#F6F8FC}.catalog-links a:hover,.catalog-links a[aria-current="page"]{border-color:#AEC7EF;background:#EAF2FF}.catalog-links strong{display:block;color:var(--ink);font-size:14px;line-height:1.5}.catalog-links small{display:block;color:#596A81;font-size:11px;line-height:1.55;margin-top:3px}.catalog-arrow{position:absolute;right:9px;top:11px;font-size:14px;color:var(--blue)}
.search-panel{position:fixed;z-index:78;top:calc(var(--topbar) + var(--masthead) + 7px);right:max(16px,calc((100vw - 1220px)/2));width:min(540px,calc(100% - 32px));max-height:calc(100dvh - 120px);overflow-y:auto;background:#fff;border:1px solid #C9D9F0;border-radius:13px;padding:24px;box-shadow:var(--shadow);visibility:hidden;opacity:0;transform:translateY(-12px);pointer-events:none;transition:visibility .2s,opacity .2s,transform .2s}.search-panel.is-open{visibility:visible;opacity:1;pointer-events:auto;transform:translateY(0)}.search-head{display:flex;align-items:flex-start;justify-content:space-between;gap:15px}.search-head h2{margin:7px 0 20px;font-size:22px}.search-field{display:flex;gap:13px;align-items:center;padding:12px 16px;border-radius:10px;border:2px solid #B3C8EA;color:var(--blue);background:#F9FBFF;min-height:54px}.search-field:focus-within{border-color:var(--blue)}.search-field input{width:100%;font-size:16px;color:var(--ink);border:0;outline:0;background:transparent;min-width:0}.search-field input::placeholder{color:#748198}.search-caption{font-size:13px;color:var(--muted);margin:14px 0}.search-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.search-results a{display:flex;justify-content:space-between;align-items:center;min-height:48px;padding:11px 15px;background:#F0F4FA;border-radius:8px;color:var(--ink);font-size:14px;font-weight:720;border:1px solid var(--border)}.search-results a:hover{background:#E4EEFD;color:var(--blue)}.search-results span{color:var(--blue)}.search-empty{margin:14px 0 0;font-size:14px;color:var(--muted)}
.mobile-bottom{display:none}
@media(max-width:1000px){.catalog-columns{grid-template-columns:repeat(2,minmax(0,1fr))}.cards-3{gap:11px}.editorial-card{padding:11px}.footer-groups{gap:18px}}
@media(max-width:760px){:root{--tabs:0px}.tabbar{display:none}.container{width:calc(100% - 32px)}.main-content{padding-top:calc(var(--topbar) + var(--masthead) + 22px);padding-bottom:76px}.topic-strips,.theme-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-focus,.split-feature,.shelf-layout,.ranking-layout,.timeline-layout,.app-feature,.detail-media-row{grid-template-columns:1fr}.cards-3{grid-template-columns:1fr}.editorial-card{display:grid;grid-template-columns:35% minmax(0,1fr);gap:14px}.editorial-card .image-slot{margin:0;grid-row:span 3;height:188px}.editorial-card h3{margin:0}.editorial-card p{margin:0}.editorial-card .text-link{margin:0}.feature-focus .image-slot{height:210px}.feature-focus{gap:18px}.craft-track{grid-template-columns:repeat(2,minmax(0,1fr))}.home-bottom{grid-template-columns:1fr}.footer-lead{display:block}.footer-lead p{margin-top:17px}.footer-groups{grid-template-columns:repeat(2,minmax(0,1fr))}.detail-media-row .image-slot{height:215px}.reading-notice{padding:18px}.layout-profile .article-sections,.layout-grid .article-sections{grid-template-columns:1fr}.app-feature .image-slot{max-width:310px}.mobile-bottom{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));position:fixed;bottom:0;left:0;right:0;width:100%;z-index:50;height:calc(50px + env(safe-area-inset-bottom,0px));padding-bottom:env(safe-area-inset-bottom,0px);background:#fff;border-top:1px solid #B5C7E5;box-shadow:0 -5px 18px rgba(0,34,99,.08)}.mobile-bottom a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;font-weight:720;color:#4D5D73;min-height:50px;min-width:0}.mobile-bottom a.active{background:var(--blue);color:#fff}.bottom-pict{width:17px;height:17px;border:2px solid currentColor;border-radius:4px;position:relative}.bottom-pict--home{transform:rotate(45deg);width:14px;height:14px;border-radius:2px;margin-bottom:3px}.bottom-pict--calendar::after{content:"";position:absolute;left:2px;right:2px;top:4px;border-top:2px solid currentColor}.bottom-pict--users{border-radius:50%;height:12px;width:12px;margin-bottom:4px}.bottom-pict--users::after{content:"";position:absolute;width:17px;height:8px;border:2px solid currentColor;border-radius:12px 12px 4px 4px;top:11px;left:-5px}.bottom-pict--layers::after{content:"";position:absolute;inset:3px;border:1.5px solid currentColor}.bottom-pict--smartphone{width:13px;height:19px}.catalog-panel{width:100%;border-radius:0 0 12px 12px}.search-panel{inset:calc(var(--topbar) + var(--masthead)) 0 0 auto;width:100%;height:calc(100dvh - var(--topbar) - var(--masthead));max-height:none;background:var(--surface);border-radius:0;padding:24px 16px}.search-results a{background:#fff}}
@media(max-width:480px){.masthead-inner{grid-template-columns:minmax(0,1fr) 66px minmax(0,1fr);gap:5px}.logo-link{max-width:125px}.brand-logo{height:30px}.catalog-trigger{min-width:54px;gap:5px;font-size:12px;padding:0 7px}.grid-icon{grid-template-columns:repeat(2,5px);grid-template-rows:repeat(2,5px);gap:3px}.app-link{min-height:44px;padding:0 9px;font-size:12px;gap:3px}.topline-search{min-width:60px;gap:6px}.hero .image-slot--banner{height:205px}.hero-body{padding:23px 20px 26px}.hero-body h1{font-size:28px}.main-content{padding-top:calc(var(--topbar) + var(--masthead) + 16px)}.home-section{padding-top:25px}.section-intro{align-items:start;display:block}.section-intro h2{font-size:22px}.section-intro p{margin-top:9px}.topic-strips{gap:9px}.topic-strip{padding:13px 11px;min-height:144px;gap:7px}.topic-strip strong{font-size:14px}.topic-strip small{font-size:12px}.topic-dot{width:7px;height:7px}.feature-focus,.split-feature{padding:14px}.cards-3{gap:12px}.editorial-card{display:block;padding:13px}.editorial-card .image-slot{height:180px;margin-bottom:14px}.editorial-card h3,.editorial-card p,.editorial-card .text-link{margin-left:2px;margin-right:2px}.editorial-card p{margin-bottom:6px}.theme-grid{gap:8px}.theme-tile{padding:14px;min-height:162px}.theme-tile h3{font-size:15px}.theme-tile p{font-size:12px}.shelf-row{grid-template-columns:38px minmax(0,1fr) 16px;padding:13px 11px;gap:9px}.shelf-row .shelf-code{font-size:17px}.ranking li{gap:12px}.ranking b{font-size:33px}.craft-track{gap:8px}.craft-step{padding:14px}.craft-step h3{font-size:15px}.app-feature{padding:19px}.image-slot--phone{height:360px}.detail-hero{padding:24px 20px}.detail-hero h1{font-size:28px}.article-section,.layout-numbered .article-section,.layout-ranking .article-section,.layout-product .article-section,.layout-terms .article-section{display:block;padding:19px 17px}.article-section .section-number{display:block;font-size:21px;margin:0 0 10px}.layout-ranking .article-section .section-number{font-size:36px}.article-section h2{font-size:18px}.article-section p{font-size:15px}.article-closer{padding:20px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}.catalog-columns{grid-template-columns:1fr;padding:16px}.catalog-group h2{font-size:15px}.catalog-links{grid-template-columns:repeat(2,minmax(0,1fr))}.catalog-links a{padding:9px 14px 10px 9px;min-height:91px}.catalog-links small{font-size:10px}.catalog-links strong{font-size:13px}.catalog-heading{padding:14px 16px}.catalog-title{gap:7px}.catalog-title .brand-logo{height:27px;max-width:112px}.catalog-title strong{font-size:15px}.catalog-title span{font-size:10px}.search-head h2{font-size:21px}.faq-entry{padding:18px}.faq-entry h2{font-size:16px}}
@media(max-width:350px){.masthead-inner{grid-template-columns:minmax(0,1fr) 57px 85px;gap:3px}.logo-link{max-width:106px}.brand-logo{height:28px}.catalog-trigger{min-width:52px}.app-link{padding:0 6px;font-size:11px}.topline-brand{font-size:11px}.hero .image-slot--banner{height:186px}.btn{padding:0 13px}.footer-brand .brand-logo{max-width:126px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}}
@media(max-width:760px){.site-footer{padding-bottom:calc(86px + env(safe-area-inset-bottom,0px))}}
/* Narrow-device command control stays on a single row. */
.catalog-trigger{white-space:nowrap;width:100%}
@media(max-width:350px){.catalog-trigger{padding:0 3px;gap:3px}}