:root{--bg:#FFFFFF;--deep:#F5F7FA;--panel:#FFFFFF;--muted:#EEF1F6;--ink:#0A1628;--body:#1E2A3A;--sub:#4A5568;--light:#718096;--blue:#0033A0;--brighter:#0052CC;--night:#002066;--line:rgba(0,51,160,.14);--shadow:0 12px 36px rgba(0,33,102,.08);--top:134px;--max:1220px}
*,*::before,*::after{box-sizing:border-box}
html{min-width:0;scroll-behavior:smooth}body{margin:0;min-width:0;background:var(--bg);color:var(--body);font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.78;overflow-x:clip;-webkit-text-size-adjust:100%}
html.ui-locked,body.ui-locked{overflow:hidden!important}img{max-width:100%;height:auto;vertical-align:middle}button,input{font:inherit}button{cursor:pointer}a{text-decoration:none;color:inherit}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #60A5FA;outline-offset:3px}a:hover{color:var(--blue)}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:var(--ink);letter-spacing:-.025em}h1{font-size:clamp(28px,3vw,32px);line-height:1.28;margin-bottom:14px}h2{font-size:clamp(21px,2.2vw,26px);line-height:1.35;margin-bottom:12px}h3{font-size:18px;line-height:1.4}p{margin-bottom:16px}strong{color:var(--ink)}.wrap{width:min(var(--max),calc(100% - 32px));margin-inline:auto}.muted{color:var(--sub)}.overline{display:inline-flex;align-items:center;gap:9px;color:var(--blue);font-weight:800;letter-spacing:.13em;font-size:12px;line-height:1.6;text-transform:uppercase}.overline::before{content:"";height:5px;width:18px;background:var(--brighter);border-radius:2px}.eyebrow{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--blue)}.section-head{display:flex;gap:20px;align-items:end;justify-content:space-between;margin:0 0 22px}.section-head>div{min-width:0}.section-head h2{margin:6px 0 0}.section-head p{margin:8px 0 0;color:var(--sub);max-width:720px}.more-link{font-size:14px;color:var(--blue);font-weight:800;display:inline-flex;align-items:center;gap:10px;min-height:44px;white-space:nowrap}.more-link::after{content:'→';font-size:20px}.more-link:hover{text-decoration:underline}
/* Header background is independent of text container: full viewport at 320px. */
.site-header{position:fixed;top:0;left:0;right:0;width:100%;z-index:100;background:white;box-shadow:0 1px 0 var(--line)}.blue-line{height:22px;width:100%;background:var(--night);color:#fff}.blue-line-inner{max-width:var(--max);height:22px;margin:auto;padding-inline:16px;display:flex;align-items:center;justify-content:space-between;position:relative}.blue-line-label{font-size:11px;font-weight:700;letter-spacing:.06em;line-height:22px;color:#fff;white-space:nowrap}.top-search{position:relative;z-index:2;border:0;background:transparent;color:white;display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;flex:none;margin-top:0;transform:translateY(0px);border-radius:8px}.top-search:hover{background:rgba(255,255,255,.18);color:white}.top-search svg{height:16px;width:16px}.masthead{height:68px;width:100%;background:#fff;border-bottom:1px solid var(--line)}.masthead-inner{height:100%;max-width:var(--max);margin:auto;padding:0 16px;display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:8px;align-items:center}.brand-link{justify-self:start;display:inline-flex;align-items:center;gap:8px;min-height:44px;min-width:0;max-width:100%;font-size:22px;font-weight:900;color:var(--night)}.brand-image{height:36px;width:min(156px,100%);object-fit:contain;object-position:left center;flex:none}.brand-fallback{white-space:nowrap}.directory-trigger{height:44px;min-width:80px;padding:0 14px;border-radius:10px;border:1px solid #bacded;color:var(--night);background:#f6f9ff;display:flex;align-items:center;justify-content:center;gap:9px;font-size:14px;font-weight:800}.directory-trigger:hover{background:#e7efff;border-color:var(--blue)}.hamburger{display:flex;flex-direction:column;gap:4px}.hamburger i{display:block;background:var(--blue);width:17px;height:2px;border-radius:2px}.app-trigger{justify-self:end;min-height:44px;display:inline-flex;align-items:center;padding:0 19px;color:white;background:linear-gradient(135deg,#0052CC 0%,#0033A0 50%,#002066 100%);border-radius:11px;font-size:14px;font-weight:800;white-space:nowrap}.app-trigger:hover{color:white;filter:brightness(1.09)}.tab-bar{height:44px;width:100%;background:var(--deep);border-bottom:1px solid var(--line)}.tab-inner{display:flex;align-items:center;gap:9px;height:100%;padding:0;overflow:hidden}.tab-link{height:32px;min-width:82px;padding:5px 15px;display:flex;align-items:center;justify-content:center;color:#405571;font-size:13px;font-weight:800;border-radius:5px;white-space:nowrap}.tab-link:hover{background:#e6edfb}.tab-link.active{background:var(--blue);color:#fff}.tab-link.active:hover{color:#fff}
.main-content{padding-top:calc(var(--top) + 28px);padding-bottom:72px;min-height:85vh}.home-section{margin-top:58px}.hero-cover,.surface-card,.feature-card,.content-card,.content-head,.reading-section,.status-card,.footer-prelude,.faq-card{border:1px solid var(--line);box-shadow:var(--shadow);background:var(--panel);border-radius:14px}.hero-cover{overflow:hidden;border-radius:16px}.media-frame{background:var(--muted);border-radius:12px;overflow:hidden;display:flex;justify-content:center;align-items:center;position:relative;isolation:isolate}.media-frame img{width:100%;height:100%;max-width:100%;object-fit:contain!important;object-position:center!important}.media-frame .media-placeholder{font-size:19px;font-weight:850;color:var(--night);letter-spacing:.08em;padding:12px;text-align:center}.media-frame.banner{width:100%;height:300px;border-radius:0;background:#edf2fc}.hero-copy{padding:30px 37px 36px}.hero-copy h1{max-width:1000px;margin:10px 0 17px;font-size:clamp(29px,3vw,39px)}.hero-copy p{max-width:900px;color:var(--sub);line-height:1.85}.action-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:23px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:44px;padding:10px 19px;border:1px solid var(--blue);border-radius:10px;font-size:14px;line-height:1.2;font-weight:800;white-space:nowrap;transition:transform .15s,background .15s,box-shadow .15s}.btn:hover{transform:translateY(-1px);box-shadow:0 7px 18px rgba(0,51,160,.14)}.btn.primary{background:linear-gradient(135deg,#0052CC 0%,#0033A0 50%,#002066 100%);color:#fff}.btn.primary:hover{color:#fff}.btn.secondary{background:white;color:var(--blue)}.btn.secondary:hover{background:var(--deep);color:var(--night)}.section-stripe{height:3px;background:linear-gradient(90deg,var(--brighter),var(--night));border-radius:2px;max-width:52px;margin-bottom:14px}
.six-tags{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.tag-tile{display:flex;gap:13px;align-items:flex-start;padding:19px;background:var(--deep);border:1px solid var(--line);border-radius:12px;min-height:132px}.tag-tile:hover{border-color:var(--brighter);background:#edf3ff}.tag-tile .tile-dot{height:12px;width:12px;flex:none;background:var(--blue);border-radius:3px;margin-top:8px}.tag-tile:nth-child(even) .tile-dot{background:var(--brighter)}.tag-tile h3{margin:0 0 5px;font-size:16px}.tag-tile p{font-size:14px;line-height:1.67;color:var(--sub);margin:0}.twin-layout{display:grid;grid-template-columns:1.05fr 1fr;align-items:stretch;gap:18px}.twin-layout>.media-frame{min-height:200px}.number-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.number-teaser{padding:20px;border-radius:12px;background:var(--deep);border:1px solid var(--line)}.number-teaser .big-no{display:block;font-size:30px;line-height:1;color:var(--blue);font-weight:900;margin-bottom:10px}.number-teaser h3{font-size:16px;margin-bottom:4px}.number-teaser p{color:var(--sub);font-size:14px;margin:0}.three-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.feature-card{overflow:hidden}.feature-card .media-frame{height:200px;border-radius:0;background:#edf3fb}.feature-body{padding:21px}.feature-body h3{font-size:19px;margin-bottom:8px}.feature-body p{line-height:1.73;color:var(--sub);font-size:15px}.feature-body .more-link{margin-top:4px}.split-story{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;background:var(--deep);border:1px solid var(--line);border-radius:14px;padding:24px}.split-story .media-frame{height:220px;background:#e6efff}.split-story p{color:var(--sub)}.list-lines{display:grid;gap:10px}.list-line{display:flex;align-items:center;justify-content:space-between;gap:15px;min-height:62px;padding:12px 17px;border:1px solid var(--line);border-radius:10px;background:#fff}.list-line strong{font-size:15px}.list-line span{font-size:13px;color:var(--sub)}.list-line:hover{border-color:#6798df;background:#f4f8ff}.theme-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.theme-tile{min-height:148px;padding:21px;background:#f5f8ff;border:1px solid var(--line);border-radius:12px}.theme-tile h3{margin:0 0 7px}.theme-tile p{color:var(--sub);font-size:14px;margin:0}.shelf-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.shelf-list .list-line{justify-content:start}.shelf-list .shelf-index{font-size:23px;color:var(--blue);font-weight:900;flex:none}.shelf-list .list-line>div{min-width:0;display:flex;flex-direction:column}.rank-list{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.rank-item{background:#f5f8ff;border:1px solid var(--line);border-radius:12px;padding:22px 16px}.rank-item .rank-no{font-size:45px;line-height:1.1;letter-spacing:-.06em;color:var(--blue);font-weight:900}.rank-item h3{margin:10px 0 7px;font-size:16px}.rank-item p{font-size:13px;line-height:1.65;color:var(--sub);margin:0}.timeline-list{border-left:3px solid #a9c5ed;margin-left:15px;display:grid;gap:15px;padding:8px 0 8px 24px}.timeline-item{position:relative;background:#fff;border:1px solid var(--line);padding:16px 22px;border-radius:12px}.timeline-item::before{content:"";position:absolute;top:20px;left:-35px;width:17px;height:17px;border:4px solid #fff;border-radius:50%;background:var(--blue);box-shadow:0 0 0 2px #9cbae2}.timeline-item h3{margin:0 0 6px}.timeline-item p{margin:0;color:var(--sub);font-size:14px}.four-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.step-card{background:var(--deep);border:1px solid var(--line);padding:19px;border-radius:12px}.step-card .step-no{color:var(--blue);font-size:28px;font-weight:900}.step-card h3{font-size:16px;margin:8px 0}.step-card p{font-size:14px;color:var(--sub);margin:0}.related-trio{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.related-tile{border:1px solid var(--line);border-radius:12px;padding:22px;background:#fff;min-height:160px}.related-tile h3{font-size:17px}.related-tile p{font-size:14px;color:var(--sub)}.app-feature{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:center;background:var(--deep);border-radius:15px;border:1px solid var(--line);padding:29px}.app-feature .app-text{min-width:0}.app-feature .app-text p{color:var(--sub)}.app-art{display:flex;align-items:center;justify-content:center;min-width:0}.app-art .media-frame{width:min(100%,275px);height:410px;background:transparent}.app-art .media-frame img{max-height:410px}.app-icon{margin:14px 0}.app-icon .media-frame{width:62px;height:62px;border-radius:16px}.app-icon img{object-fit:contain}.policy-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.footer-prelude{padding:22px}.footer-prelude h3{font-size:17px;margin-bottom:8px}.footer-prelude p{font-size:14px;color:var(--sub);margin-bottom:0}.faq-preview{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.faq-preview .faq-card{padding:22px}.faq-preview h3{font-size:17px}.faq-preview p{font-size:14px;color:var(--sub);margin:0}.brand-outro{background:var(--night);color:#e9f0ff;border-radius:15px;padding:32px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand-outro h2{color:white}.brand-outro p{max-width:800px;color:#d1ddf1;margin:0}
/* inner page formats */
.content-head{padding:27px 30px 24px;display:grid;grid-template-columns:minmax(0,1fr) 36%;gap:22px;align-items:center;min-height:250px}.content-head .head-copy{min-width:0}.content-head p{max-width:850px;color:var(--sub);margin-bottom:0}.content-head .media-frame{height:220px}.content-head.no-image{grid-template-columns:1fr;min-height:230px}.page-breadcrumb{font-size:12px;color:var(--sub);margin:0 0 13px}.page-breadcrumb a{color:var(--blue)}.section-summary{max-width:900px;font-size:15px;color:var(--sub)}.article-area{margin-top:25px}.reading-grid{display:grid;gap:14px}.reading-section{padding:23px 26px}.reading-section h2{font-size:20px;display:flex;gap:12px;align-items:center}.reading-section p{line-height:1.82;max-width:1000px;margin:0}.reading-no{flex:none;color:var(--blue);font-weight:900;letter-spacing:-.06em;font-size:30px;line-height:1}.numbered .reading-grid,.big-number .reading-grid,.steps .reading-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.numbered .reading-section,.steps .reading-section,.big-number .reading-section{min-height:230px}.big-number .reading-no{font-size:55px}.themes .reading-grid,.discovery .reading-grid,.people .reading-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.themes .reading-section,.discovery .reading-section,.people .reading-section{background:#f7f9fe}.shelf .reading-section,.directory .reading-section,.series .reading-section{display:grid;grid-template-columns:215px minmax(0,1fr);gap:20px;align-items:start}.shelf .reading-section h2,.directory .reading-section h2,.series .reading-section h2{margin:0}.timeline .reading-grid{border-left:3px solid #a3c2ec;margin-left:17px;padding-left:22px;gap:20px}.timeline .reading-section{position:relative}.timeline .reading-section::before{content:"";width:14px;height:14px;position:absolute;left:-31px;top:34px;border-radius:100%;background:var(--blue);border:3px solid white;box-shadow:0 0 0 2px #9fbfe9}.essay .reading-section,.terms .reading-section,.statement .reading-section,.guide .reading-section{box-shadow:none;background:#fff}.essay .reading-section:nth-child(odd){background:var(--deep)}.terms .reading-section h2,.statement .reading-section h2{border-left:4px solid var(--blue);padding-left:15px}.product .reading-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.product .reading-section:first-child{grid-column:1/-1;background:#f5f8ff}.wide .content-head{grid-template-columns:1fr}.wide .content-head .media-frame{height:240px;order:-1}.related-bar{margin-top:28px;background:#eef3fb;border-radius:13px;padding:19px 23px}.related-bar p{font-size:14px;margin-bottom:10px}.related-bar .action-row{margin:0}.related-bar a{min-height:44px;display:inline-flex;align-items:center;padding:8px 14px;background:white;border:1px solid var(--line);border-radius:9px;color:var(--blue);font-weight:750;font-size:14px}.related-bar a:hover{background:#e5efff}.faq-full{display:grid;gap:13px}.qa{background:white;border:1px solid var(--line);border-radius:12px;padding:21px 25px}.qa h2{font-size:19px;margin:0 0 11px}.qa p{margin:0;color:var(--sub)}
/* footer */
.site-footer{background:var(--ink);color:#A0AEC0;padding:46px 0 95px}.site-footer a{color:#d9e4f3}.site-footer a:hover{color:white;text-decoration:underline}.footer-brand{display:flex;align-items:center;gap:15px;border-bottom:1px solid rgba(175,198,239,.19);padding-bottom:28px;margin-bottom:28px}.footer-brand img{height:33px;width:142px;object-fit:contain;object-position:left;filter:brightness(0) invert(1)}.footer-brand strong{font-size:21px;color:#fff}.footer-brand span{display:block;font-size:12px;color:#abc0e0;letter-spacing:.13em}.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.footer-group h3{color:white;font-size:15px;margin:0 0 13px}.footer-group ul{list-style:none;margin:0;padding:0;display:grid;gap:5px}.footer-group li a{font-size:14px;display:inline-flex;min-height:32px;align-items:center}.footer-info{border-top:1px solid rgba(175,198,239,.19);margin-top:27px;padding-top:24px;font-size:13px;line-height:1.82;color:#bdcce0}.footer-info p{margin:0 0 10px}.footer-info small{font-size:12px}
/* overlay, full-width catalogue, search */
.page-shade{position:fixed;inset:0;z-index:110;background:rgba(9,20,39,.58);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .18s,visibility .18s}.page-shade.is-on{visibility:visible;opacity:1;pointer-events:auto}.toc-panel{position:fixed;z-index:120;top:90px;left:50%;width:min(1220px,100%);max-height:calc(100dvh - 104px);overflow-y:auto;overscroll-behavior:contain;transform:translate(-50%,-26px);visibility:hidden;opacity:0;pointer-events:none;transition:opacity .18s,transform .18s,visibility .18s;background:white;box-shadow:0 22px 60px rgba(0,25,83,.22);border:1px solid var(--line);border-top:4px solid var(--blue);border-radius:0 0 15px 15px}.toc-panel.is-open{visibility:visible;opacity:1;pointer-events:auto;transform:translate(-50%,0)}.toc-head{position:sticky;top:0;z-index:2;background:#fff;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:16px 22px;gap:15px}.toc-brand{display:flex;gap:15px;align-items:center;min-width:0}.toc-brand img{width:125px;height:31px;object-fit:contain}.toc-brand strong{color:var(--ink);font-size:18px}.icon-close{min-height:44px;min-width:44px;padding:8px 13px;display:inline-flex;justify-content:center;align-items:center;background:#f2f6ff;color:var(--night);border:1px solid var(--line);border-radius:9px;font-size:22px;font-weight:700;line-height:1}.icon-close:hover{background:#e2ebfd}.toc-groups{padding:24px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.toc-group{min-width:0}.toc-group h3{font-size:13px;color:var(--blue);letter-spacing:.09em;text-transform:uppercase;margin-bottom:10px}.toc-item{display:block;padding:12px 11px;border-radius:10px;border:1px solid transparent;margin-bottom:5px}.toc-item:hover{background:#f0f5fe;border-color:var(--line)}.toc-item b{display:block;font-size:15px;color:var(--ink);line-height:1.5}.toc-item span{font-size:12px;color:var(--sub);display:block;line-height:1.65;margin-top:2px}.search-panel{position:fixed;z-index:125;top:90px;right:max(16px,calc((100vw - 1220px)/2));width:min(530px,calc(100% - 32px));background:white;border:1px solid var(--line);box-shadow:0 24px 70px rgba(0,20,65,.22);border-radius:0 0 14px 14px;padding:19px 23px 24px;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-14px);transition:opacity .18s,transform .18s,visibility .18s}.search-panel.is-open{visibility:visible;opacity:1;pointer-events:auto;transform:translateY(0)}.search-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.search-head h2{font-size:19px;margin:0}.search-panel p{font-size:14px;color:var(--sub);margin:13px 0}.search-input{border:1px solid #bdcce7;border-radius:10px;width:100%;height:49px;padding:10px 15px;background:#f8faff;color:var(--ink);font-size:15px}.search-options{margin-top:15px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.search-options a{min-height:44px;display:flex;align-items:center;justify-content:space-between;background:var(--deep);border:1px solid var(--line);color:var(--night);border-radius:8px;padding:9px 13px;font-size:14px;font-weight:700}.search-options a::after{content:'↗';color:var(--blue)}.search-options a:hover{background:#e8f0ff}.search-options a[hidden]{display:none}.search-empty{margin-top:14px;font-size:14px;color:var(--sub)}.search-empty[hidden]{display:none}
.mobile-bottom{display:none}
@media(max-width:1000px){.toc-groups{grid-template-columns:repeat(2,minmax(0,1fr))}.rank-list{grid-template-columns:repeat(3,minmax(0,1fr))}.four-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.themes .reading-grid,.discovery .reading-grid,.people .reading-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{gap:14px}}
@media(max-width:767px){:root{--top:90px}.tab-bar{display:none}.main-content{padding-top:calc(var(--top) + 22px);padding-bottom:54px}.home-section{margin-top:39px}.section-head{align-items:flex-start;flex-wrap:wrap;gap:8px}.section-head h2{font-size:22px}.section-head .more-link{margin-top:-3px}.blue-line-label{font-size:11px}.brand-image{width:118px;height:31px}.brand-link{font-size:18px}.directory-trigger{min-width:44px;width:44px;padding:0}.directory-trigger .dir-word{display:none}.app-trigger{padding:0 11px;min-width:76px;justify-content:center;font-size:13px}.masthead-inner{gap:5px}.hero-cover{border-radius:12px}.media-frame.banner{height:160px}.hero-copy{padding:22px 20px 24px}.hero-copy h1{font-size:28px}.hero-copy p{font-size:15px}.six-tags,.three-cards,.number-grid,.theme-grid,.shelf-list,.twin-layout,.split-story,.policy-grid,.faq-preview,.related-trio,.app-feature{grid-template-columns:1fr}.tag-tile{min-height:102px}.feature-card .media-frame{height:205px}.split-story{padding:19px}.split-story .media-frame{height:190px}.rank-list{grid-template-columns:repeat(2,minmax(0,1fr))}.four-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.app-feature{padding:22px}.app-art .media-frame{height:360px}.content-head{grid-template-columns:1fr;padding:23px 20px}.content-head .media-frame{height:195px}.content-head h1{font-size:29px}.reading-section{padding:21px 20px}.reading-section h2{font-size:19px}.numbered .reading-grid,.big-number .reading-grid,.steps .reading-grid,.product .reading-grid,.themes .reading-grid,.discovery .reading-grid,.people .reading-grid{grid-template-columns:1fr}.shelf .reading-section,.directory .reading-section,.series .reading-section{grid-template-columns:1fr;gap:7px}.timeline .reading-grid{margin-left:13px;padding-left:18px}.timeline .reading-section::before{left:-27px}.qa{padding:19px}.qa h2{font-size:17px}.brand-outro{flex-direction:column;align-items:flex-start;padding:24px}.site-footer{padding-top:40px;padding-bottom:100px}.footer-brand{flex-wrap:wrap}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:25px}.toc-panel{top:90px;width:100%;height:calc(100dvh - 90px);max-height:none;border-radius:0;border-left:none;border-right:none}.toc-groups{grid-template-columns:repeat(2,minmax(0,1fr));padding:13px;gap:12px}.toc-head{padding:11px 16px}.toc-brand img{width:95px}.toc-brand strong{font-size:15px}.toc-item{padding:10px 7px}.toc-item b{font-size:14px}.toc-item span{font-size:11px}.search-panel{top:90px;left:0;right:0;bottom:0;width:100%;border-radius:0;background:var(--deep);padding:20px 16px;overflow-y:auto;max-height:none}.search-options{grid-template-columns:repeat(2,minmax(0,1fr))}.mobile-bottom{position:fixed;z-index:90;bottom:0;left:0;right:0;width:100%;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));height:calc(50px + env(safe-area-inset-bottom));padding:0 6px env(safe-area-inset-bottom);background:white;border-top:1px solid var(--line);box-shadow:0 -8px 22px rgba(0,33,102,.07)}.mobile-bottom a{height:50px;display:flex;align-items:center;justify-content:center;min-width:0;padding:0 2px;color:var(--sub);font-size:12px;font-weight:800;border-radius:7px}.mobile-bottom a[aria-current="page"]{background:var(--blue);color:white}.mobile-bottom a:hover{background:#eaf1fc}.mobile-bottom a[aria-current="page"]:hover{color:white;background:var(--night)}body{padding-bottom:calc(50px + env(safe-area-inset-bottom))}}
@media(max-width:359px){.blue-line-label{letter-spacing:0;font-size:10px}.brand-image{width:105px}.app-trigger{min-width:70px;font-size:12px;padding:0 8px}.media-frame.banner{height:155px}.hero-copy h1{font-size:27px}.rank-item{padding:18px 12px}.rank-item .rank-no{font-size:39px}.toc-groups{gap:7px}.toc-item span{font-size:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}

.padded-card{padding:23px}.space-top-16{margin-top:16px}.space-top-17{margin-top:17px}