:root{--page:#F3F6F9;--paper:#FFFFFF;--mist:#E8EEF5;--ink:#0B1220;--body:#1E293B;--muted:#475569;--dim:#64748B;--blue:#2563EB;--blue-deep:#1D4ED8;--blue-light:#60A5FA;--lime:#65A30D;--slate:#334155;--line:rgba(37,99,235,.16);--shadow:0 14px 36px rgba(11,18,32,.08);--header:136px;--width:1180px}
*{box-sizing:border-box}
html{min-width:0;overflow-x:clip;scroll-behavior:smooth}
body{margin:0;background:var(--page);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--body);font-size:16px;line-height:1.75;overflow-x:clip}
body.overlay-open{overflow:hidden}
a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{max-width:100%;height:auto;display:block}a,button,input{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--blue-light);outline-offset:3px}a:hover{color:var(--blue-deep)}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:-100px;left:12px;z-index:999;padding:10px;background:#fff;color:var(--blue)}.skip-link:focus{top:10px}.site-width,.header-shell{width:min(var(--width),calc(100% - 40px));margin-inline:auto}
.site-header{position:fixed;z-index:50;top:0;left:0;right:0;width:100%;background:var(--paper);box-shadow:0 3px 14px rgba(11,18,32,.05)}
.status-bar{height:32px;background:var(--slate);color:#fff;width:100%;position:relative}.status-content{display:flex;align-items:center;justify-content:space-between;height:32px}.status-brand{font-size:11px;font-weight:800;letter-spacing:.06em;color:#fff}.status-brand span{padding:0 4px;color:#fff}.icon-button{border:0;background:none;color:inherit;display:inline-flex;align-items:center;justify-content:center}.status-search{position:relative;z-index:5;min-width:58px;min-height:44px;padding:0 4px;gap:5px;font-size:12px;font-weight:650;align-self:flex-start;margin-top:-6px;margin-right:-5px}.status-search svg{width:17px;height:17px}.status-search:hover{color:#fff;text-decoration:underline}
.command-bar{height:60px;background:#fff}.command-content{display:grid;grid-template-columns:50px minmax(0,1fr) 112px;align-items:center;height:60px;gap:12px}.menu-square{height:44px;width:44px;background:#fff;border:1px solid rgba(37,99,235,.28);border-radius:13px;display:flex;justify-content:center;align-items:center;color:var(--blue)}.menu-square:hover{background:var(--mist)}.menu-lines{display:grid;gap:5px}.menu-lines i{width:20px;height:2px;background:var(--blue);border-radius:8px;display:block}.header-brand{justify-self:center;display:inline-flex;min-width:0;align-items:center;justify-content:center;max-width:190px;height:44px}.brand-mark{width:auto;height:32px;max-width:100%;object-fit:contain}.brand-fallback{font-size:23px;font-weight:900;letter-spacing:-.06em;color:var(--blue)}.command-app{min-height:44px;padding:9px 12px;display:inline-flex;align-items:center;justify-content:center;gap:6px;background:linear-gradient(135deg,#60A5FA 0%,#2563EB 52%,#1D4ED8 100%);color:#fff;font-size:13px;font-weight:800;border-radius:22px;white-space:nowrap;box-shadow:0 7px 14px rgba(37,99,235,.15)}.command-app:hover{color:#fff;filter:brightness(1.06)}.command-app svg{width:15px;height:15px}
.desktop-tabs{height:44px;background:#fff;border-top:1px solid #eef2f8;border-bottom:1px solid var(--line)}.tab-content{height:43px;display:flex;align-items:stretch;justify-content:center;gap:clamp(28px,5vw,72px)}.tab-content a{display:flex;align-items:center;position:relative;white-space:nowrap;min-height:42px;font-size:14px;font-weight:700;color:var(--muted)}.tab-content a::after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:transparent;border-radius:4px 4px 0 0}.tab-content a:hover,.tab-content a.active{color:var(--blue)}.tab-content a.active::after{background:var(--blue)}
.site-main{padding-top:calc(var(--header) + 28px);padding-bottom:80px;min-height:70vh}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3{color:var(--ink);line-height:1.3;letter-spacing:-.025em}h1{font-size:clamp(28px,3vw,38px);font-weight:850}h2{font-size:clamp(22px,2.2vw,29px)}h3{font-size:18px}p{margin-bottom:1em}.eyebrow{font-size:12px;letter-spacing:.12em;color:var(--blue);font-weight:850;text-transform:uppercase}.label{font-size:12px;letter-spacing:.08em;color:var(--blue-deep);font-weight:850}.section{margin-top:38px}.section-title{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:18px}.section-title h2{margin:3px 0 0}.section-title a,.text-link{display:inline-flex;align-items:center;gap:5px;color:var(--blue-deep);font-size:14px;font-weight:800;min-height:44px}.section-title a:hover,.text-link:hover{text-decoration:underline}.section-intro{font-size:16px;max-width:800px;color:var(--muted)}.surface{background:var(--paper);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.soft-surface{background:var(--mist);border-radius:18px;border:1px solid var(--line)}.divider{border:0;border-top:1px solid var(--line);margin:25px 0}.accent{color:var(--blue)}.badge{display:inline-flex;background:#E8F0FF;color:#1D4ED8;border-radius:20px;align-items:center;gap:7px;font-size:12px;font-weight:850;padding:5px 12px}.badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lime)}.action{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:9px 20px;font-size:14px;font-weight:800;border-radius:24px;white-space:nowrap}.action-primary{background:linear-gradient(135deg,#60A5FA 0%,#2563EB 52%,#1D4ED8 100%);color:#fff;box-shadow:0 10px 24px rgba(37,99,235,.2)}.action-primary:hover{color:#fff;filter:brightness(1.05)}.action-quiet{color:var(--blue-deep);background:#fff;border:1px solid rgba(37,99,235,.3)}.action-quiet:hover{background:#E8F0FF}.actions{display:flex;gap:10px;flex-wrap:wrap}.media-frame{background:linear-gradient(135deg,#E8EEF5,#F7FAFF);border:1px solid var(--line);border-radius:16px;display:flex;align-items:center;justify-content:center;overflow:hidden;min-width:0}.media-frame img{max-width:100%;max-height:100%;width:100%;height:100%;object-fit:contain;object-position:center}.media-fallback{display:flex;align-items:center;justify-content:center;min-height:150px;background:linear-gradient(135deg,#E5EEF9,#fff);color:var(--slate);font-weight:800;text-align:center;padding:22px;width:100%;height:100%}
.hero-card{overflow:hidden;padding:36px 38px 26px}.hero-copy{max-width:830px}.hero-kicker{margin-bottom:10px}.hero-card h1{max-width:800px;margin-bottom:18px;font-size:clamp(30px,3.5vw,45px)}.hero-card .hero-lead{max-width:820px;color:var(--muted);line-height:1.9;margin-bottom:21px}.hero-visual{margin-top:28px;min-height:155px;max-height:340px;aspect-ratio:2.7/1;background:#E8EEF5;border-radius:15px;box-shadow:none}.hero-visual img{max-height:340px}.hero-visual .media-fallback{font-size:22px}
.theme-strips{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.theme-row{min-height:128px;padding:19px;border-radius:15px;border:1px solid var(--line);background:#fff;display:flex;flex-direction:column;gap:6px;box-shadow:0 7px 18px rgba(11,18,32,.035);transition:transform .2s,border-color .2s}.theme-row:hover{border-color:#60A5FA;transform:translateY(-2px)}.theme-row strong{font-size:17px;color:var(--ink);display:flex;align-items:center;gap:9px}.theme-row strong::before{content:"";height:9px;width:9px;flex:none;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px #E6EFFF}.theme-row span{font-size:13px;line-height:1.65;color:var(--muted)}
.pulse-block{padding:30px}.pulse-layout{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:24px}.pulse-photo{height:300px}.pulse-body p{color:var(--muted)}.pulse-nav{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:15px}.pulse-nav a{padding:12px;border:1px solid var(--line);border-radius:12px;display:flex;gap:11px;align-items:center;min-height:62px;font-weight:800;font-size:15px}.pulse-nav a strong{font-size:28px;line-height:1;color:var(--blue)}.pulse-nav a:hover{background:#f3f7ff}
.three-up{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.subject-card{overflow:hidden}.subject-card .media-frame{border:0;border-radius:0;max-height:195px;height:188px;background:#E8EEF5}.subject-content{padding:20px 21px 22px}.subject-content p{font-size:14px;color:var(--muted);line-height:1.8}.subject-content .text-link{margin-top:4px}
.feature-stack{display:grid;gap:16px}.feature-block{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:30px;padding:26px;align-items:center}.feature-block .media-frame{height:225px}.feature-block h3{font-size:24px}.feature-block p{color:var(--muted)}.feature-block:nth-child(even) .feature-image{order:-1}.feature-block:nth-child(even){grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}
.mural-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px}.mural-preview{min-height:320px}.mural-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.mural-tile{padding:18px;min-height:150px;display:flex;flex-direction:column;justify-content:space-between;background:#fff;border:1px solid var(--line);border-radius:15px}.mural-tile strong{font-size:17px}.mural-tile p{font-size:13px;color:var(--muted);margin:10px 0 0}.mural-tile em{font-size:12px;color:var(--blue);font-style:normal;font-weight:800}
.folder-layout{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:22px;align-items:stretch}.folder-layout>.media-frame{min-height:360px}.file-list{overflow:hidden}.file-row{display:grid;grid-template-columns:44px minmax(0,1fr) 24px;gap:13px;align-items:center;padding:13px 18px;min-height:69px;border-bottom:1px solid var(--line)}.file-row:last-child{border-bottom:0}.file-icon{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:#EAF2FF;color:var(--blue);font-weight:900}.file-row strong{display:block;color:var(--ink)}.file-row small{display:block;font-size:12px;color:var(--dim);line-height:1.6}.file-arrow{color:var(--blue);font-size:22px}
.meter-list{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:13px}.meter-tile{padding:21px 18px 17px}.meter-tile .large-n{font-size:50px;color:var(--blue);font-weight:900;line-height:1.1;letter-spacing:-.07em}.meter-tile h3{font-size:16px;margin:12px 0 7px}.meter-tile p{font-size:13px;color:var(--muted);margin:0}
.time-axis{position:relative;margin-left:20px;border-left:2px solid #BDCEEE;padding-left:31px;display:grid;gap:18px}.time-step{position:relative;padding:16px 20px}.time-step::before{content:"";position:absolute;top:29px;left:-40px;width:14px;height:14px;border-radius:50%;background:var(--blue);border:4px solid #E3EDFF}.time-step strong{display:block}.time-step p{font-size:14px;color:var(--muted);margin:4px 0 0}.time-status{display:inline-block;color:var(--blue);font-size:12px;font-weight:850;margin-bottom:3px}
.app-feature{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:28px;padding:34px;align-items:center;background:linear-gradient(110deg,#fff 10%,#F0F6FF 100%)}.app-feature h2{margin-bottom:12px}.app-feature p{color:var(--muted)}.app-photo{height:395px;position:relative;border-color:rgba(37,99,235,.10)}.app-photo img{max-height:390px}.app-badge{display:inline-flex;vertical-align:middle;align-items:center;width:62px;height:62px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:8px;margin-bottom:18px}.app-badge img{object-fit:contain;width:100%;height:100%}.micro-note{font-size:13px;color:var(--dim)}
.info-trio{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.info-card{padding:25px}.info-card h3{font-size:20px}.info-card p{font-size:14px;color:var(--muted)}
.page-intro{padding:31px 35px 25px;overflow:hidden}.breadcrumb{font-size:12px;color:var(--dim);margin-bottom:19px}.breadcrumb a{color:var(--blue-deep);font-weight:800}.page-intro h1{margin:0 0 18px}.page-intro .lead{max-width:820px;font-size:17px;line-height:1.85;color:var(--muted)}.intro-topline{display:flex;align-items:center;gap:12px;margin-bottom:12px}.intro-dash{width:33px;height:2px;background:var(--blue)}.page-intro .intro-media{height:245px;margin-top:18px;max-width:100%}.intro-media img{object-fit:contain}.interior-sections{display:grid;gap:15px;margin-top:18px}.editorial-section{background:#fff;border-radius:16px;border:1px solid var(--line);padding:27px 32px}.editorial-section h2{font-size:23px;margin:0 0 14px;display:flex;gap:13px;align-items:baseline}.section-number{font-weight:900;color:var(--blue);font-size:17px}.editorial-section p{color:var(--body);line-height:2;margin-bottom:11px}.editorial-section p:last-child{margin-bottom:0}.keyline{padding-left:16px;border-left:3px solid var(--blue);background:#F3F7FF;border-radius:0 10px 10px 0;padding-top:10px;padding-bottom:10px}.editorial-end{padding:26px 30px;background:#E8EEF5;border:1px solid var(--line);border-radius:16px;margin-top:17px}.editorial-end h2{font-size:19px}.editorial-end p{margin:0;color:var(--muted)}.related{padding-top:20px}.related h2{font-size:21px}.related-links{display:flex;flex-wrap:wrap;gap:11px}.related-links a{display:inline-flex;align-items:center;min-height:44px;padding:8px 18px;background:#fff;border:1px solid var(--line);border-radius:22px;color:var(--blue-deep);font-size:14px;font-weight:800}.related-links a:hover{background:#E8F0FF}.numbered-index{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px;margin-top:20px}.index-line{display:block;border:1px solid var(--line);border-radius:14px;padding:18px;background:#fff}.index-line b{font-size:32px;color:var(--blue);display:block;line-height:1.1}.index-line span{font-size:15px;font-weight:800}.index-line small{display:block;color:var(--dim);font-size:12px;margin-top:4px}.wide-feature .page-intro{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:20px;align-items:center}.wide-feature .page-intro .intro-media{height:270px;margin:0}.wide-feature .intro-topline,.wide-feature .breadcrumb{grid-column:1/-1}.wide-feature .intro-copy{min-width:0}.wide-feature .lead{margin-bottom:0}.step-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.step-card{padding:22px;background:#fff;border:1px solid var(--line);border-radius:16px}.step-card b{font-size:38px;color:var(--blue);line-height:1}.step-card h3{margin:15px 0 7px}.step-card p{font-size:14px;color:var(--muted);margin:0}.faq-list{display:grid;gap:12px;margin-top:18px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:15px;padding:21px 25px}.faq-item h2{display:flex;align-items:baseline;gap:10px;margin:0 0 10px;font-size:19px}.faq-item h2 b{font-size:15px;color:var(--blue)}.faq-item p{line-height:1.95;margin:0}.search-results{margin:20px 0}.result-count{font-size:14px;color:var(--muted)}.result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:12px}.result-card{display:block;padding:19px 20px;background:#fff;border:1px solid var(--line);border-radius:13px}.result-card strong{display:block;color:var(--ink)}.result-card span{font-size:13px;color:var(--dim)}.result-card:hover{background:#F0F6FF}.search-empty{padding:23px;border:1px dashed #9EBCF9;border-radius:12px;background:#fff}.legal-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.legal-grid .editorial-section{padding:24px}
.site-footer{background:var(--ink);color:#D6E4FF}.footer-inner{padding:40px 0 18px}.footer-head{display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid rgba(214,228,255,.18);padding-bottom:22px}.footer-head p{font-size:14px;color:#D6E4FF;margin:0}.footer-logo{display:flex;align-items:center;gap:15px;color:#fff}.footer-logo:hover{color:#fff}.footer-logo .brand-mark{height:30px}.footer-logo-text{font-size:17px;font-weight:850}.footer-logo-text small{display:block;font-size:11px;color:#D6E4FF;line-height:1.2}.footer-columns{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin:25px 0}.footer-columns>div{display:flex;flex-direction:column;gap:9px;align-items:flex-start}.footer-columns h2{font-size:15px;color:#fff;margin:0 0 5px}.footer-columns a{font-size:13px;color:#D6E4FF;min-height:23px}.footer-columns a:hover{color:#fff;text-decoration:underline}.footer-legal{font-size:12px;line-height:1.9;color:#D6E4FF;border-top:1px solid rgba(214,228,255,.14);padding-top:18px}.footer-base{border-top:1px solid rgba(214,228,255,.14);padding-top:12px;display:flex;gap:20px;align-items:center;flex-wrap:wrap;font-size:12px;color:#D6E4FF}.footer-base span{margin-right:auto}.footer-base a{color:#D6E4FF}
.overlay-shade{position:fixed;inset:0;z-index:140;background:rgba(11,18,32,.48);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s,visibility .2s}body.overlay-open .overlay-shade{opacity:1;visibility:visible;pointer-events:auto}.mosaic-directory{position:fixed;z-index:160;inset:0;overflow-y:auto;overscroll-behavior:contain;background:var(--page);visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-28px);transition:transform .24s,opacity .24s,visibility .24s}.menu-open .mosaic-directory{visibility:visible;pointer-events:auto;opacity:1;transform:translateY(0)}.mosaic-shell{width:min(1040px,calc(100% - 48px));margin-inline:auto;padding:28px 0 55px}.overlay-heading{display:flex;justify-content:space-between;align-items:center;gap:14px;padding-bottom:18px;border-bottom:1px solid var(--line)}.mosaic-brand{display:flex;align-items:center;gap:15px}.mosaic-brand .brand-mark{height:30px}.mosaic-brand span{font-size:20px;font-weight:850;color:var(--ink)}.mosaic-brand small{display:block;font-size:12px;color:var(--dim);font-weight:550}.overlay-close{display:inline-flex;justify-content:center;align-items:center;gap:8px;min-height:44px;min-width:80px;border:1px solid var(--line);background:#fff;color:var(--slate);border-radius:22px;padding:8px 15px;font-size:13px;font-weight:750}.overlay-close svg{width:17px;height:17px}.overlay-close:hover{background:var(--mist)}.mosaic-group{margin-top:23px}.mosaic-group h2{font-size:16px;margin-bottom:12px;display:flex;align-items:center;gap:9px}.group-dot{width:8px;height:8px;border-radius:2px;background:var(--blue);display:inline-block}.mosaic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.mosaic-tile{min-height:88px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:12px 15px;transition:background .15s}.mosaic-tile:hover{background:#E8F0FF;border-color:#9EBCF9}.mosaic-tile strong{color:var(--ink);font-size:15px;grid-column:1;line-height:1.45}.mosaic-tile span{color:var(--muted);grid-column:1;line-height:1.55;font-size:12px}.mosaic-tile b{grid-column:2;grid-row:1/3;font-size:18px;color:var(--blue);align-self:start;font-weight:500}
.search-panel{position:fixed;z-index:170;top:92px;right:max(20px,calc((100vw - 1180px)/2));width:min(540px,calc(100% - 40px));visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-12px);transition:opacity .2s,transform .2s,visibility .2s}.search-open .search-panel{visibility:visible;pointer-events:auto;opacity:1;transform:none}.search-card{padding:23px;background:#fff;border-radius:18px;border:1px solid var(--line);box-shadow:0 24px 75px rgba(11,18,32,.22)}.search-card .overlay-heading{padding-bottom:13px}.search-card h2{font-size:23px;margin:4px 0 0}.mini-eyebrow{font-weight:850;color:var(--blue);letter-spacing:.09em;font-size:10px}.search-hint{font-size:14px;color:var(--muted);margin:17px 0 12px}.search-form{display:flex;gap:10px}.search-form input{min-width:0;width:100%;height:48px;border:1px solid #A7BDEC;background:#F6F9FF;border-radius:12px;padding:0 13px;color:var(--ink)}.search-form input::placeholder{color:#64748B}.search-form button{border:0;background:var(--blue);color:#fff;border-radius:12px;padding:9px 17px;white-space:nowrap;font-size:14px;font-weight:750;min-height:48px}.search-suggest h3{font-size:15px;margin:20px 0 10px}.quick-links{display:flex;flex-wrap:wrap;gap:8px}.quick-links a{font-size:13px;min-height:44px;padding:10px 15px;border:1px solid var(--line);border-radius:22px;background:var(--mist);font-weight:700;color:var(--blue-deep)}.quick-links a:hover{background:#DDE9FF}.search-footnote{font-size:12px;color:var(--dim);margin:17px 0 0}
.mobile-bottom{display:none}
@media(max-width:980px){.theme-strips{grid-template-columns:repeat(2,minmax(0,1fr))}.meter-list{grid-template-columns:repeat(3,minmax(0,1fr))}.pulse-layout{grid-template-columns:1fr 1fr}.footer-head{align-items:flex-start}.footer-head p{max-width:310px}.mosaic-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:700px){:root{--header:92px}.site-width,.header-shell{width:calc(100% - 32px)}.desktop-tabs{display:none}.site-main{padding-top:calc(var(--header) + 22px);padding-bottom:calc(88px + env(safe-area-inset-bottom,0px))}.command-content{grid-template-columns:50px minmax(0,1fr) 88px;gap:6px}.command-app{padding:9px 9px;font-size:13px}.command-app svg{display:none}.desktop-only{display:none}.header-brand .brand-mark{height:30px}.status-search{min-width:53px}.hero-card{padding:24px 20px 19px}.hero-card h1{font-size:30px}.hero-visual{margin-top:18px;aspect-ratio:2.1/1;max-height:340px}.section{margin-top:31px}.section-title{align-items:flex-start}.section-title h2{font-size:23px}.section-title a{white-space:nowrap}.theme-strips{gap:9px}.theme-row{min-height:143px;padding:14px}.theme-row strong{font-size:15px}.pulse-block{padding:19px}.pulse-layout{grid-template-columns:1fr;gap:15px}.pulse-photo{height:230px}.pulse-nav{grid-template-columns:1fr 1fr}.pulse-nav a{font-size:13px;gap:8px}.pulse-nav a strong{font-size:22px}.three-up{grid-template-columns:1fr}.subject-card .media-frame{height:215px;max-height:215px}.feature-block,.feature-block:nth-child(even){grid-template-columns:1fr;gap:16px;padding:20px}.feature-block .media-frame{height:205px}.feature-block:nth-child(even) .feature-image{order:0}.mural-layout,.folder-layout{grid-template-columns:1fr}.mural-preview{min-height:220px;max-height:260px}.mural-tile{min-height:145px;padding:15px}.folder-layout>.media-frame{min-height:220px;max-height:260px}.meter-list{grid-template-columns:repeat(2,minmax(0,1fr))}.meter-tile .large-n{font-size:40px}.app-feature{grid-template-columns:1fr;padding:20px}.app-photo{height:360px}.info-trio{grid-template-columns:1fr}.page-intro{padding:24px 20px 20px}.page-intro h1{font-size:29px}.page-intro .intro-media{height:205px}.editorial-section{padding:22px 20px}.editorial-section h2{font-size:20px}.wide-feature .page-intro{grid-template-columns:1fr}.wide-feature .page-intro .intro-media{height:210px}.numbered-index,.step-cards{grid-template-columns:1fr 1fr}.result-grid{grid-template-columns:1fr}.legal-grid{grid-template-columns:1fr}.footer-inner{padding:32px 0 23px}.footer-head{flex-direction:column;gap:7px}.footer-columns{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:24px}.footer-base span{width:100%}.mobile-bottom{display:block;position:fixed;bottom:0;left:0;right:0;z-index:70;width:100%;background:#fff;border-top:1px solid #DCE6F5;height:calc(50px + env(safe-area-inset-bottom,0px));padding-bottom:env(safe-area-inset-bottom,0px);box-shadow:0 -6px 22px rgba(11,18,32,.09)}.mobile-bottom-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));height:50px;padding:0 5px}.mobile-bottom a{font-size:11px;display:flex;align-items:center;justify-content:center;flex-direction:column;line-height:1.15;gap:1px;min-width:0;color:var(--muted);font-weight:700}.mobile-bottom a.current{color:var(--blue);background:#EEF4FF}.bottom-symbol{font-size:23px;line-height:1.1}.mosaic-shell{width:calc(100% - 32px);padding:19px 0 45px}.mosaic-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.mosaic-tile{padding:11px 11px;min-height:111px}.mosaic-tile strong{font-size:14px}.mosaic-tile span{font-size:11px;line-height:1.55}.mosaic-group{margin-top:18px}.mosaic-brand{gap:9px}.mosaic-brand .brand-mark{max-width:104px;height:26px}.mosaic-brand span{font-size:16px}.mosaic-brand small{font-size:10px}.overlay-close{min-width:72px;padding:8px 11px}.search-panel{inset:0;top:0;width:100%;max-height:100dvh;overflow-y:auto;transform:translateY(-24px);background:var(--page)}.search-card{border:0;box-shadow:none;border-radius:0;min-height:100dvh;padding:24px 16px}.search-form{flex-direction:column}.search-form button{min-height:44px}.search-panel .overlay-heading h2{font-size:22px}}
@media(max-width:380px){.status-brand{font-size:10px}.command-content{grid-template-columns:48px minmax(0,1fr) 80px}.command-app{font-size:12px;padding:8px}.header-brand .brand-mark{max-height:28px}.hero-card h1{font-size:28px}.theme-row{min-height:157px}.theme-row span{font-size:12px}.pulse-nav a{padding:8px}.mural-tile{min-height:154px}.mosaic-tile{min-height:116px}.footer-columns{gap:15px}.page-intro h1{font-size:27px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::after,*::before{transition:none!important;animation:none!important}}
/* Mobile product image keeps its portrait proportions within the product page. */
.app-layout .page-intro .intro-media{height:440px;max-height:440px}
.app-layout .page-intro .intro-media img{object-fit:contain}
.app-layout .page-intro .app-badge{margin-top:16px;margin-bottom:0}
@media(max-width:700px){.app-layout .page-intro .intro-media{height:350px;max-height:350px}}
@media(max-width:700px){.site-footer{padding-bottom:calc(50px + env(safe-area-inset-bottom,0px))}}

/* Improve tap target size for links in all screen sizes. */
.footer-columns a{display:flex;align-items:center;min-height:44px;padding:4px 0}
.footer-columns>div{gap:2px}
.footer-base a{display:inline-flex;align-items:center;min-height:44px}
.footer-logo{min-height:44px}
.tab-content a{min-height:44px}

/* Full-width cover slot: keep the complete media inside the card even at 320px. */
.hero-visual{width:100%;max-width:100%;min-width:0}
.hero-visual img{min-width:0;max-width:100%;object-fit:contain;object-position:center}
/* Readable headline scale on both wide and small screens. */
.hero-card h1{font-size:clamp(28px, 3vw, 32px)}
@media(max-width:700px){.hero-card h1{font-size:clamp(28px, 6vw, 30px)}}
/* Ensure compact footer and desktop tab labels have 44px-wide hit areas. */
.footer-columns a,.tab-content a{min-width:44px}