.rb-hero{overflow-x:clip;max-width:100%;padding-top:80px}
.rb-canvas{position:relative;display:grid;grid-template-columns:minmax(0,580px) minmax(0,676px);justify-content:space-between;column-gap:24px;min-height:664px;padding:0 24px 0 56px;border:1px solid var(--canvas-edge);border-radius:var(--r-canvas) var(--r-canvas) 50% 50% / var(--r-canvas) var(--r-canvas) 26px 26px;background:linear-gradient(180deg,var(--canvas-top),var(--canvas-bottom));box-shadow:inset 0 1px 0 var(--white-a95)}
.rb-atmo{position:absolute;inset:0;border-radius:inherit;overflow:hidden;pointer-events:none;z-index:0;background:radial-gradient(58% 72% at 84% 0%,var(--rose-a07) 0%,var(--clear) 72%),radial-gradient(42% 62% at 100% 36%,var(--violet-a06) 0%,var(--clear) 72%)}
.rb-copy{position:relative;z-index:3;align-self:center;padding:64px 0 56px}
.rb-tag{display:inline-flex;align-items:center;gap:8px;min-height:30px;padding:4px 12px 4px 10px;border:1px solid var(--border);border-radius:var(--r-md);background:var(--bg-panel);font-size:13px;font-weight:600;color:var(--text-muted)}
.rb-tag-dot{width:8px;height:8px;flex:none;border-radius:var(--r-round);background:var(--accent);box-shadow:0 0 0 3px var(--rose-a12)}
.rb-h1{margin-top:24px;font-family:var(--font-display);font-weight:var(--weight-display);font-size:clamp(56px,4.72vw,68px);line-height:1.08;letter-spacing:-.03em;color:var(--text)}
.rb-h1 .ln{display:block}
.rb-sub{margin-top:24px;max-width:540px;font-size:20px;line-height:1.6;font-weight:400;color:var(--text-muted)}
.rb-sub strong{color:var(--text);font-weight:600}
.rb-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.rb-trust{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:24px;font-size:14px;color:var(--text-muted);list-style:none;padding:0}
.rb-trust li{display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.ck{width:14px;height:14px;flex:none;fill:none;stroke:var(--success);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.rb-rows{display:grid;gap:12px;margin-top:32px}
.rb-row{display:grid;grid-template-columns:52px minmax(0,1fr);column-gap:10px;align-items:center}
.rb-row-label{font-size:12px;font-weight:600;color:var(--text-muted);white-space:nowrap}
.rb-row ul{display:flex;flex-wrap:wrap;gap:6px;list-style:none;padding:0}
.hchip{display:inline-flex;align-items:center;gap:6px;min-height:32px;padding:4px 9px;border:1px solid var(--border);border-radius:var(--r-sm);background:var(--bg-panel);font-size:13px;font-weight:500;color:var(--text);white-space:nowrap}
.pf{width:15px;height:15px;flex:none;display:block;fill:currentColor;color:var(--text)}
.flag{width:21px;height:14px;flex:none;display:block;overflow:hidden;border-radius:var(--r-xs)}
.fw{fill:var(--flag-white)}
.fr{fill:var(--flag-red)}
.fn{fill:var(--flag-navy)}
.fk{fill:var(--flag-black)}
.fg{fill:var(--flag-gold)}
.sw{fill:none;stroke:var(--flag-white)}
.sr{fill:none;stroke:var(--flag-red)}
.fedge{fill:none;stroke:var(--flag-edge);stroke-width:1.2}
.rb-device{position:relative;z-index:2;align-self:start;margin-top:-48px;transform:rotate(-2deg);transform-origin:50% 50%}
.rb-sheet{position:absolute;top:22px;right:18px;bottom:-16px;left:-10px;z-index:0;border:1px solid var(--panel-edge);border-radius:var(--r-panel);background:var(--sheet-bg);box-shadow:var(--shadow-sheet);transform:rotate(-2.2deg)}
.rb-panel{position:relative;z-index:1;overflow:hidden;border:1px solid var(--panel-edge);border-radius:var(--r-panel);background:var(--bg-panel);box-shadow:var(--shadow-panel)}
.rb-panel::after{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;pointer-events:none;z-index:4;background:linear-gradient(218deg,var(--rose-a45) 0%,var(--white-a95) 9%,var(--clear) 30%);-webkit-mask:linear-gradient(var(--text) 0 0) content-box,linear-gradient(var(--text) 0 0);-webkit-mask-composite:xor;mask:linear-gradient(var(--text) 0 0) content-box exclude,linear-gradient(var(--text) 0 0)}
.rb-chrome{display:grid;grid-template-columns:minmax(0,1fr) 252px;column-gap:16px;align-items:center;height:54px;padding:0 18px;border-bottom:1px solid var(--border);background:linear-gradient(205deg,var(--rose-a07) 0%,var(--clear) 38%),var(--chrome-bg)}
.rb-tabs{display:flex;gap:4px;min-width:0}
.rb-tab{display:inline-flex;align-items:center;min-height:28px;padding:0 10px;border-radius:var(--r-sm);font-size:13px;font-weight:500;color:var(--text-muted);white-space:nowrap}
.rb-tab.is-on{background:var(--text);color:var(--on-ink);font-weight:600}
.rb-chrome-r{display:flex;align-items:center;gap:10px;min-width:0}
.rb-count{font-size:13px;font-weight:700;color:var(--text);white-space:nowrap}
.rb-count b{font-family:var(--font-mono);font-weight:500;color:var(--text-muted);margin-left:2px}
.rb-filter{flex:1;min-width:0;display:flex;align-items:center;gap:6px;height:30px;padding:0 10px;border:1px solid var(--border);border-radius:var(--r-sm);background:var(--bg-panel);font-size:12px;color:var(--text-muted);white-space:nowrap}
.rb-filter svg{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:1.5}
.rb-body{display:grid;grid-template-columns:minmax(0,1fr) 252px;column-gap:16px;padding:20px 18px 52px}
.rb-filters{display:flex;flex-direction:column;justify-content:space-between;gap:18px;min-width:0}
.rb-group-h{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px;font-size:11.5px;font-weight:600;color:var(--text-muted)}
.rb-group-h small{font-family:var(--font-mono);font-size:10.5px;font-weight:500;color:var(--text-faint)}
.rb-chips{display:flex;flex-wrap:wrap;gap:6px}
.pchip{display:inline-flex;align-items:center;gap:6px;min-height:30px;padding:4px 9px;border-radius:var(--r-sm);background:var(--bg-panel-2);font-size:12.5px;font-weight:500;color:var(--text);white-space:nowrap}
.pchip .flag{width:18px;height:12px}
.pchip .mono{font-size:12px}
.pchip.is-on{background:var(--rose-a10);color:var(--accent-dark);box-shadow:inset 0 0 0 1px var(--rose-a30)}
.ic{width:14px;height:14px;flex:none;display:block;color:var(--text-muted)}
.ic-s{fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.rb-tier-ticks,.rb-tier-price{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));font-family:var(--font-mono);font-size:11.5px;color:var(--text-muted)}
.rb-tier-ticks span:nth-child(2),.rb-tier-price span:nth-child(2){text-align:center}
.rb-tier-ticks span:nth-child(3),.rb-tier-price span:nth-child(3){text-align:right}
.rb-tier-ticks .is-cur,.rb-tier-price .is-cur{color:var(--text);font-weight:600}
.rb-track{position:relative;height:6px;margin:10px 8px;border-radius:var(--r-xs);background:var(--bg-panel-2);box-shadow:inset 0 1px 2px var(--ink-a12)}
.rb-track-fill{position:absolute;inset:0 50% 0 0;border-radius:inherit;background:var(--text)}
.rb-mark{position:absolute;top:50%;width:6px;height:6px;border-radius:var(--r-round);background:var(--bg-panel);box-shadow:0 0 0 1.5px var(--border);transform:translate(-50%,-50%)}
.rb-mark.at-0{left:0;box-shadow:0 0 0 1.5px var(--text)}
.rb-mark.at-100{left:100%}
.rb-thumb{position:absolute;top:50%;left:50%;width:18px;height:18px;border-radius:var(--r-round);border:2px solid var(--text);background:var(--bg-panel);box-shadow:0 2px 6px var(--ink-a12);transform:translate(-50%,-50%)}
.rb-lines{display:flex;flex-direction:column;justify-content:space-between;gap:10px;min-width:0}
.rb-line{position:relative;display:grid;grid-template-columns:20px minmax(0,1fr) 12px;align-items:center;column-gap:10px;width:calc(100% - 30px);padding:12px;border:1px solid var(--border);border-radius:var(--r-md);background:var(--bg-panel);box-shadow:0 1px 0 var(--ink-a06)}
.rb-line:nth-child(2){margin-left:6px}
.rb-line:nth-child(3){margin-left:12px}
.rb-line:nth-child(4){margin-left:18px}
.rb-line:nth-child(5){margin-left:24px}
.rb-line:nth-child(6){margin-left:30px}
.rb-line .flag{width:20px;height:14px}
.rb-line-name{font-family:var(--font-mono);font-size:12.5px;font-weight:600;color:var(--text);white-space:nowrap}
.rb-line-name .sep{color:var(--text-faint);font-weight:400}
.rb-line-use{margin-top:3px;font-size:11.5px;color:var(--text-muted)}
.chev{width:12px;height:12px;fill:none;stroke:var(--text-faint);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.rb-line.is-on{border-color:var(--rose-a30);box-shadow:var(--shadow-row-on)}
.rb-line.is-on::before{content:"";position:absolute;left:-1px;top:10px;bottom:10px;width:3px;border-radius:0 var(--r-xs) var(--r-xs) 0;background:var(--accent)}
.rb-line.is-on .chev{stroke:var(--accent)}
.rb-float{position:absolute;z-index:3;display:grid;grid-template-columns:32px minmax(0,1fr);column-gap:12px;align-items:center;padding:14px 16px;border-radius:var(--r-md)}
.rb-float-ic{width:32px;height:32px;border-radius:var(--r-md);display:grid;place-items:center}
.rb-float-ic svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.rb-float-tag{display:inline-block;padding:2px 6px;border-radius:var(--r-xs);font-family:var(--font-mono);font-size:10.5px;font-weight:500;letter-spacing:.03em}
.rb-float strong{display:block;margin-top:5px;font-size:14px;font-weight:700;line-height:1.35}
.rb-float-trust{left:24px;bottom:-40px;width:258px;background:linear-gradient(125deg,var(--accent),var(--violet));color:var(--on-ink);box-shadow:var(--shadow-grad);transform:rotate(-4deg)}
.rb-float-trust .rb-float-ic,.rb-float-trust .rb-float-tag{background:var(--white-a20);color:var(--on-ink)}
.rb-float-pack{right:20px;bottom:-46px;width:264px;border:1px solid var(--panel-edge);background:var(--bg-panel);color:var(--text);box-shadow:var(--shadow-card);transform:rotate(3deg)}
.rb-float-pack .rb-float-ic{background:var(--rose-a10);color:var(--accent)}
.rb-float-pack .rb-float-tag{background:var(--bg-panel-2);color:var(--text-muted)}
.rb-peek{padding-top:36px;padding-bottom:48px;text-align:center}
.rb-mark-row{display:flex;align-items:center;justify-content:center;gap:20px}
.rb-mark-row::before,.rb-mark-row::after{content:"";flex:0 1 280px;height:1px;background:linear-gradient(90deg,var(--clear),var(--border))}
.rb-mark-row::after{background:linear-gradient(270deg,var(--clear),var(--border))}
.rb-badge-mark{width:32px;height:32px;flex:none;display:grid;place-items:center;border-radius:var(--r-md);background:linear-gradient(135deg,var(--accent),var(--violet));color:var(--on-ink)}
.rb-badge-mark svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round}
.rb-badge-mark svg circle{fill:currentColor;stroke:none}
.rb-h2{margin-top:16px;font-size:34px;line-height:1.2;font-weight:var(--weight-display);letter-spacing:-.025em}
.rb-peek p{margin-top:8px;font-size:17px;color:var(--text-muted)}
.badge,.tag{display:inline-flex;align-items:center;min-height:28px;max-width:100%;overflow:hidden;overflow-wrap:anywhere;padding:4px 8px;border-radius:var(--r-sm);font-size:12px;font-weight:650;background:var(--bg-panel-2);color:var(--text)}
.badge-accent{background:var(--rose-a10);color:var(--accent-dark)}
.status-dot{display:inline-block;width:7px;height:7px;flex-shrink:0;border-radius:var(--r-round);background:var(--success);margin-right:8px}
.status-dot-rose{background:var(--accent)}
.status-dot-violet{background:var(--violet)}
.status-dot-warn{background:var(--warn)}
[role="tablist"]{display:flex;flex-wrap:wrap;gap:6px;padding:6px;border-radius:var(--r-md);background:var(--bg-panel-2)}
[role="tab"]{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:40px;padding:8px 14px;border:0;border-radius:var(--r-sm);background:var(--clear);color:var(--text-muted);font-weight:600}
[role="tab"][aria-selected="true"]{background:var(--text);color:var(--on-ink)}
[role="tabpanel"]{margin-top:20px}
.feature-shell{display:grid;grid-template-columns:minmax(0,1fr) minmax(240px,.38fr);gap:24px}
.feature-card{overflow:hidden;border:1px solid var(--border);border-radius:var(--r-md);background:var(--bg-panel)}
.feature-head{padding:28px;border-bottom:1px solid var(--border)}
.feature-head p{margin-top:8px;color:var(--text-muted)}
.feature-browser{display:grid;grid-template-columns:210px minmax(0,1fr)}
.feature-sidebar[role="tablist"]{display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:4px;padding:16px;border-radius:0;background:var(--chrome-bg);border-right:1px solid var(--border)}
.feature-sidebar [role="tab"]{justify-content:flex-start;text-align:left}
.feature-sidebar [aria-selected="true"] .status-dot{background:var(--on-ink)}
.feature-detail{padding:28px}
.feature-detail [role="tabpanel"]{margin-top:0}
.feature-detail p{margin-top:16px;line-height:1.85;color:var(--text-muted)}
.feature-detail .pchip{margin-top:20px}
.feature-code{padding:24px;border:1px solid var(--border);border-radius:var(--r-md);background:var(--bg-panel)}
.feature-code pre{margin-top:20px}
.hot-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.hot-column{display:grid;align-content:start;gap:12px}
.hot-card{padding:20px;border:1px solid var(--border);border-radius:var(--r-md);background:var(--bg-panel);box-shadow:inset 0 1px 0 var(--white-a95)}
.hot-card p{margin-top:8px;font-size:14px;color:var(--text-muted)}
.hot-card-gradient{background:linear-gradient(125deg,var(--accent),var(--violet));color:var(--on-ink);border-color:var(--clear);box-shadow:var(--shadow-sheet)}
.hot-card-gradient p{color:var(--on-ink)}
.hot-card-gradient .tag{background:var(--white-a20);color:var(--on-ink)}
.toc-tabs{position:sticky;top:12px;z-index:20;display:flex;flex-wrap:nowrap;gap:8px;max-width:100%;overflow-x:auto;padding:10px;border:1px solid var(--border);border-radius:var(--r-md);background:var(--bg-panel);scrollbar-width:thin}
.toc-tabs a{display:inline-flex;align-items:center;min-height:40px;padding:8px 14px;border-radius:var(--r-sm);white-space:nowrap;flex-shrink:0;color:var(--text-muted)}
.toc-tabs a.is-current{background:var(--text);color:var(--on-ink)}
.toc-tabs.toc-static{position:static}
body:has(.toc-tabs) section[id]{scroll-margin-top:var(--toc-offset)}
.faq-item{border-bottom:1px solid var(--border);background:var(--bg-panel)}
.faq-item summary{position:relative;min-height:56px;cursor:pointer;padding:18px 48px 18px 20px;font-weight:650;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:20px;top:15px;font-size:22px;color:var(--accent-dark)}
.faq-item[open] summary::after{content:"−"}
.faq-item p{padding:0 20px 20px;color:var(--text-muted);line-height:1.8}
.faq-list{border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden}
.faq-list .faq-item:last-child{border-bottom:0}
.plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.plan-card{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:20px;padding:28px;border:1px solid var(--border);border-radius:var(--r-md);background:var(--bg-panel);box-shadow:inset 0 1px 0 var(--white-a95)}
.plan-card.is-current{border-color:var(--accent);box-shadow:var(--shadow-sheet),inset 0 0 0 1px var(--rose-a30)}
.plan-badge{display:inline-flex;align-items:center;min-height:28px;padding:4px 8px;background:linear-gradient(120deg,var(--accent),var(--violet));color:var(--on-ink);border-radius:var(--r-sm);font-size:12px;font-weight:700}
.plan-price{font-family:var(--font-mono);font-size:36px;line-height:1.2;font-weight:650}
.plan-price small{font-family:var(--font-body);font-size:14px;font-weight:400;color:var(--text-muted)}
.plan-card ul{padding:0;list-style:none;display:grid;gap:10px;color:var(--text-muted)}
.plan-card .btn{margin-top:auto;width:100%}
.table-scroll{overflow-x:auto;max-width:100%;-webkit-overflow-scrolling:touch;border:1px solid var(--border);border-radius:var(--r-md);background:var(--bg-panel)}
.data-table,.route-table{width:100%;min-width:680px;border-collapse:collapse;text-align:left;font-size:14px}
.data-table caption,.route-table caption{text-align:left;padding:16px;font-weight:700;color:var(--text)}
.data-table :where(th,td),.route-table :where(th,td){padding:14px 18px;border-bottom:1px solid var(--border);word-break:keep-all}
.table-scroll th,.data-table th,.route-table th{background:var(--chrome-bg);color:var(--text);font-weight:700;white-space:nowrap}
.data-table td:first-child,.route-table td:first-child{color:var(--text);font-weight:600}
.route-group th{background:var(--bg-panel-2);color:var(--text)}
.prose>.data-table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%;min-width:0}
.platform-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.platform-card{display:flex;flex-direction:column;align-items:flex-start;gap:16px;padding:20px;border:1px solid var(--border);border-radius:var(--r-md);background:var(--bg-panel)}
.platform-card .pf{width:28px;height:28px}
.platform-card .btn{width:100%;padding-inline:10px}
.article-card{display:flex;flex-direction:column;gap:16px;padding:24px;border:1px solid var(--border);border-radius:var(--r-md);background:var(--bg-panel)}
.article-card h3{font-size:20px}
.article-card p{line-height:1.8;color:var(--text-muted)}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:12px;color:var(--text-muted)}
.article-card>a:last-child{margin-top:auto;min-height:32px;display:inline-flex;align-items:center;font-weight:650}
.callout{padding:20px 24px;border-left:3px solid var(--accent);border-radius:0 var(--r-md) var(--r-md) 0;background:var(--rose-a05);color:var(--text);line-height:1.8}
.promo-block{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px;border:1px solid var(--border);border-radius:var(--r-md);background:linear-gradient(110deg,var(--rose-a07),var(--violet-a06)),var(--bg-panel)}
.promo-brand{font-weight:var(--weight-display);font-size:22px}
.promo-block p{margin-top:8px;color:var(--text-muted)}
.promo-block .btn{flex-shrink:0;white-space:nowrap}
.cta-band{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:32px;border-radius:var(--r-md);background:var(--text);color:var(--on-ink)}
.cta-band .btn{background:var(--bg-panel);color:var(--text);border-color:var(--bg-panel)}
.ticker{overflow:hidden;max-width:100%;padding-block:18px;border-block:1px solid var(--border)}
.ticker-track{display:flex;width:max-content;max-width:none}
.ticker-group{display:flex;align-items:center;gap:32px;padding-right:32px;flex-shrink:0;font-family:var(--font-mono);color:var(--text-muted)}
.decor-zone{position:relative;overflow-x:clip;max-width:100%}
.preview-title{margin-bottom:24px}
.preview-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}
.swatch{min-height:104px;padding:16px;display:flex;align-items:flex-end;border:1px solid var(--border);border-radius:var(--r-md);font-family:var(--font-mono);font-size:12px;overflow-wrap:anywhere}
.swatch-bg{background:var(--bg)}
.swatch-panel{background:var(--bg-panel)}
.swatch-panel2{background:var(--bg-panel-2)}
.swatch-border{background:var(--border)}
.swatch-accent{background:var(--accent);color:var(--on-ink)}
.swatch-accent-dark{background:var(--accent-dark);color:var(--on-ink)}
.swatch-violet{background:var(--violet);color:var(--on-ink)}
.swatch-text{background:var(--text);color:var(--on-ink)}
.swatch-muted{background:var(--text-muted);color:var(--on-ink)}
.swatch-success{background:var(--success);color:var(--on-ink)}
.swatch-warn{background:var(--warn)}
.swatch-error{background:var(--error);color:var(--on-ink)}
.preview-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.preview-type{display:grid;gap:20px}
.preview-display{font-family:var(--font-display);font-size:48px;font-weight:var(--weight-display);line-height:1.15}
@media(max-width:1279px){
  .rb-canvas{grid-template-columns:minmax(0,1fr);justify-content:stretch;padding:0 40px 56px}
  .rb-copy{max-width:640px;padding:56px 0 0}
  .rb-device{width:100%;max-width:676px;margin:56px auto 64px}
  .platform-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media(max-width:900px){
  .feature-shell{grid-template-columns:1fr}
  .hot-grid{grid-template-columns:1fr}
  .plan-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .rb-hero{padding-top:12px}
  .rb-canvas{padding:0 20px 32px;border-radius:var(--r-canvas) var(--r-canvas) 50% 50% / var(--r-canvas) var(--r-canvas) 18px 18px}
  .rb-copy{padding-top:36px}
  .rb-h1{font-size:36px}
  .rb-sub{font-size:17px}
  .rb-row{grid-template-columns:1fr;row-gap:8px}
  .rb-device{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:36px 0 12px;transform:none}
  .rb-sheet{display:none}
  .rb-panel{grid-column:1/-1}
  .rb-float{position:static;width:auto;transform:none}
  .rb-chrome{grid-template-columns:1fr;row-gap:10px;height:auto;padding:12px 14px}
  .rb-tabs{overflow-x:auto}
  .rb-body{grid-template-columns:1fr;row-gap:20px;padding:16px 14px 18px}
  .rb-line,.rb-line:nth-child(n){width:100%;margin-left:0}
  .rb-h2{font-size:26px}
  .feature-browser{grid-template-columns:1fr}
  .feature-sidebar[role="tablist"]{flex-direction:row;flex-wrap:nowrap;overflow-x:auto;border-right:0;border-bottom:1px solid var(--border)}
  .feature-sidebar [role="tab"]{flex-shrink:0;white-space:nowrap}
  .feature-head,.feature-detail{padding:20px}
  .promo-block,.cta-band{align-items:flex-start;flex-direction:column}
  .platform-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:640px){
  .rb-device,.rb-sheet,.rb-float-trust,.rb-float-pack{transform:none}
  .preview-display{font-size:32px}
}
@media(max-width:520px){
  .rb-device{grid-template-columns:1fr}
  .rb-cta .btn{flex:1 1 auto;justify-content:center}
  .platform-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  .ticker-track{width:auto;flex-wrap:wrap}
  .ticker-group{flex-wrap:wrap;gap:16px;padding:0}
  .ticker-group[aria-hidden="true"]{display:none}
}