:root{
  color-scheme:light dark;
  --bg:#f6f8fb;--bg-elev:#ffffff;--bg-soft:#eef3f8;--bg-subtle:#f1f5f9;
  --text:#111923;--text-2:#506172;--text-3:#778593;
  --line:rgba(30,58,80,.11);--line-strong:rgba(30,58,80,.18);
  --blue:#1e78f2;--blue-2:#38bff2;--blue-soft:rgba(30,120,242,.08);--green:#22a66a;
  --shadow:0 24px 70px rgba(35,57,78,.10);--shadow-sm:0 10px 30px rgba(35,57,78,.07);
  --radius:22px;--shell:1180px;
}
html[data-theme="dark"]{
  --bg:#0b0f14;--bg-elev:#11161d;--bg-soft:#0e141b;--bg-subtle:#151b23;
  --text:#f4f7fa;--text-2:#9aa7b5;--text-3:#707e8d;
  --line:rgba(214,229,242,.09);--line-strong:rgba(214,229,242,.16);
  --blue:#56a6ff;--blue-2:#55d4f3;--blue-soft:rgba(86,166,255,.09);--green:#42cf88;
  --shadow:0 28px 80px rgba(0,0,0,.28);--shadow-sm:0 12px 34px rgba(0,0,0,.18);
}
@media(prefers-color-scheme:dark){html:not([data-theme]){
  --bg:#0b0f14;--bg-elev:#11161d;--bg-soft:#0e141b;--bg-subtle:#151b23;
  --text:#f4f7fa;--text-2:#9aa7b5;--text-3:#707e8d;
  --line:rgba(214,229,242,.09);--line-strong:rgba(214,229,242,.16);
  --blue:#56a6ff;--blue-2:#55d4f3;--blue-soft:rgba(86,166,255,.09);--green:#42cf88;
  --shadow:0 28px 80px rgba(0,0,0,.28);--shadow-sm:0 12px 34px rgba(0,0,0,.18);
}}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"SF Pro Display","Segoe UI","PingFang SC","Microsoft YaHei",system-ui,sans-serif;-webkit-font-smoothing:antialiased;transition:background .2s ease,color .2s ease}a{color:inherit;text-decoration:none}button{font:inherit}.shell{width:min(calc(100% - 48px),var(--shell));margin-inline:auto}.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 83%,transparent);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.nav-shell{height:70px;display:flex;align-items:center;gap:34px}.brand{display:inline-flex;align-items:center;gap:9px;font-weight:740;letter-spacing:.14em;font-size:13px}.brand img{width:32px;height:32px}.main-nav{display:flex;gap:26px;margin-left:22px;font-size:13px;color:var(--text-2)}.main-nav a{transition:color .15s}.main-nav a:hover{color:var(--text)}.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}.nav-cta{height:38px;display:inline-flex;align-items:center;gap:8px;padding:0 14px;border:1px solid var(--line-strong);border-radius:11px;background:var(--bg-elev);font-size:12px;font-weight:650;box-shadow:var(--shadow-sm)}.theme-switch{height:34px;padding:3px;display:flex;border:1px solid var(--line);border-radius:10px;background:var(--bg-soft)}.theme-switch button{text-align:center;border:0;background:transparent;color:var(--text-3);font-size:10px;padding:0 8px;border-radius:7px;cursor:pointer}.theme-switch button[aria-pressed="true"]{background:var(--bg-elev);color:var(--text);box-shadow:0 1px 4px rgba(20,30,40,.1)}

.hero{min-height:720px;padding:92px 0 88px;display:grid;grid-template-columns:minmax(0,1fr) minmax(480px,1.02fr);gap:64px;align-items:center}.eyebrow,.kicker,.section-title>span,.ecosystem-card>div>span,.story-inner>div>span,.download-card>span{font-size:10px;letter-spacing:.15em;font-weight:750;color:var(--text-3)}.eyebrow{display:flex;align-items:center;gap:9px}.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--blue-2);box-shadow:0 0 0 4px var(--blue-soft)}.hero h1{font-size:clamp(46px,5vw,70px);letter-spacing:-.055em;line-height:1.04;margin:25px 0 24px;font-weight:720}.hero h1 span{color:var(--text-2);font-weight:630}.hero-lede{max-width:620px;margin:0;color:var(--text-2);font-size:17px;line-height:1.85}.hero-actions{display:flex;gap:10px;margin-top:34px}.button{text-align:center;height:45px;padding:0 18px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;gap:10px;font-size:13px;font-weight:700;border:1px solid var(--line-strong);transition:transform .15s,box-shadow .15s,background .15s}.button:hover{transform:translateY(-1px)}.button.primary{background:var(--text);color:var(--bg);border-color:transparent;box-shadow:var(--shadow-sm)}.button.secondary{background:var(--bg-elev);color:var(--text)}.trust-row{display:flex;align-items:center;gap:11px;margin-top:34px;color:var(--text-3);font-size:10px}.trust-row i{width:2px;height:2px;background:var(--text-3);border-radius:50%}

.topology-card{border:1px solid var(--line);border-radius:26px;background:var(--bg-elev);box-shadow:var(--shadow);padding:22px;position:relative;overflow:hidden}.topology-card::before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(135deg,var(--blue-soft),transparent 35%)}.topology-head,.topology-brand,.mini-top{display:flex;align-items:center}.topology-head{position:relative;justify-content:space-between}.topology-brand{gap:10px}.topology-brand img{width:42px;height:42px}.topology-brand div{display:grid;gap:2px}.topology-brand strong{font-size:13px}.topology-brand small{font-size:9px;color:var(--text-3);letter-spacing:.08em}.online{font-size:10px;color:var(--text-2);border:1px solid var(--line);border-radius:999px;padding:7px 9px;display:flex;align-items:center;gap:7px}.online i,.mini-top i{width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px color-mix(in srgb,var(--green) 14%,transparent)}.host-summary{margin-top:25px;display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:16px;overflow:hidden}.host-summary>div{padding:16px 15px;display:grid;gap:6px}.host-summary>div+div{border-left:1px solid var(--line)}.host-summary small{font-size:9px;color:var(--text-3)}.host-summary strong{font-size:20px}.host-summary .text-status{font-size:14px;color:var(--green)}.topology-rail{height:58px;position:relative;margin:1px 31px}.topology-rail::before{content:"";position:absolute;top:0;left:50%;height:28px;width:1px;background:var(--line-strong)}.topology-rail::after{content:"";position:absolute;top:27px;left:16.66%;right:16.66%;height:1px;background:var(--line-strong)}.topology-rail span{position:absolute;top:27px;width:1px;height:31px;background:var(--line-strong)}.topology-rail span:nth-child(1){left:16.66%}.topology-rail span:nth-child(2){left:50%}.topology-rail span:nth-child(3){right:16.66%}.instance-mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.instance-mini{border:1px solid var(--line);border-radius:15px;padding:14px;background:var(--bg-soft);min-width:0}.instance-mini.connected{border-color:color-mix(in srgb,var(--blue) 25%,var(--line));background:linear-gradient(180deg,var(--blue-soft),var(--bg-soft))}.mini-top{justify-content:space-between;font-size:11px;font-weight:700}.instance-mini:not(.connected) .mini-top i{background:var(--text-3);box-shadow:none}.instance-mini strong{font-size:10px;display:block;margin-top:24px}.instance-mini small{display:block;margin-top:5px;color:var(--text-3);font-size:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.preview-note{margin:16px 2px 0;color:var(--text-3);font-size:8px;text-align:right}

.statement{padding:54px 0 80px;border-top:1px solid var(--line);display:grid;grid-template-columns:200px 1fr;gap:40px}.statement>span{font-size:9px;letter-spacing:.15em;color:var(--text-3);font-weight:700}.statement p{margin:0;font-size:clamp(26px,3vw,40px);line-height:1.32;letter-spacing:-.04em;font-weight:560}.section{padding:100px 0}.section-title{max-width:760px;margin-bottom:45px}.section-title h2,.console-copy h2,.ecosystem-card h2,.story-inner h2,.download-card h2{font-size:clamp(34px,4vw,52px);line-height:1.13;letter-spacing:-.045em;margin:12px 0 14px}.section-title h2 em{font-style:normal;color:var(--text-2)}.section-title p,.console-copy>p,.ecosystem-card p,.story-inner p,.download-card p{margin:0;color:var(--text-2);line-height:1.8;font-size:14px}.benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.benefit{border-top:1px solid var(--line-strong);padding:28px 6px 4px 0;min-height:310px;display:flex;flex-direction:column}.benefit h3{font-size:21px;letter-spacing:-.025em;margin:26px 0 12px}.benefit p{font-size:13px;line-height:1.75;color:var(--text-2);margin:0;max-width:320px}.benefit>span{margin-top:auto;font-size:9px;letter-spacing:.12em;color:var(--text-3);text-transform:uppercase}.benefit-icon{width:46px;height:40px;position:relative;color:var(--blue)}.icon-window{border:1.5px solid currentColor;border-radius:8px}.icon-window::before{content:"";position:absolute;left:0;right:0;top:9px;border-top:1.5px solid currentColor}.icon-window::after{content:"•••";position:absolute;left:5px;top:-8px;font-size:11px;letter-spacing:1px}.icon-stream::before,.icon-stream::after{content:"";position:absolute;border:1.5px solid currentColor;border-radius:50%}.icon-stream::before{width:32px;height:32px;left:1px;top:3px}.icon-stream::after{width:13px;height:13px;left:11px;top:13px;background:var(--blue-soft)}.icon-control::before{content:"";position:absolute;left:2px;top:5px;width:39px;height:29px;border:1.5px solid currentColor;border-radius:8px}.icon-control::after{content:"";position:absolute;left:9px;right:9px;top:15px;height:1.5px;background:currentColor;box-shadow:0 7px currentColor}

.how-section{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.simple-flow{border:1px solid var(--line);border-radius:24px;background:var(--bg-elev);display:grid;grid-template-columns:1fr 70px 1.15fr 70px 1fr;align-items:stretch;padding:18px;box-shadow:var(--shadow-sm)}.flow-node{min-height:300px;padding:22px;border-radius:17px;border:1px solid var(--line);background:var(--bg-soft);display:flex;flex-direction:column}.flow-core{background:linear-gradient(180deg,var(--blue-soft),var(--bg-soft));border-color:color-mix(in srgb,var(--blue) 22%,var(--line))}.flow-number{font-size:9px;letter-spacing:.15em;color:var(--text-3);font-weight:800}.flow-node>img{width:53px;height:53px;margin:34px 0 32px}.flow-symbol{width:48px;height:48px;margin:36px 0 32px;position:relative}.symbol-plus::before,.symbol-plus::after{content:"";position:absolute;background:var(--blue);border-radius:2px;left:23px;top:7px;width:2px;height:34px}.symbol-plus::after{transform:rotate(90deg)}.symbol-device{border:1.5px solid var(--blue);border-radius:8px;width:48px;height:34px;margin-top:43px;margin-bottom:39px}.symbol-device::after{content:"";position:absolute;width:14px;height:1.5px;background:var(--blue);left:17px;bottom:-6px}.flow-node h3{margin:0 0 10px;font-size:19px}.flow-node p{margin:0;color:var(--text-2);font-size:12px;line-height:1.7}.handled-chips{margin-top:auto;display:flex;flex-wrap:wrap;gap:6px;padding-top:20px}.handled-chips span{font-size:8px;color:var(--text-3);border:1px solid var(--line);border-radius:999px;padding:5px 8px;background:var(--bg-elev)}.flow-link{align-self:center;height:1px;background:var(--line-strong);position:relative}.flow-link span{position:absolute;right:0;top:-3px;width:7px;height:7px;border-top:1px solid var(--text-3);border-right:1px solid var(--text-3);transform:rotate(45deg)}.boundary-note{margin-top:18px;font-size:10px;line-height:1.7;color:var(--text-3);padding:0 3px}.boundary-note strong{color:var(--text-2)}

.console-section{display:grid;grid-template-columns:.72fr 1.28fr;gap:54px;align-items:center}.console-copy ul{list-style:none;padding:0;margin:30px 0 0;display:grid;gap:15px}.console-copy li{display:flex;gap:10px;align-items:flex-start;color:var(--text-2);font-size:12px}.console-copy li i{width:6px;height:6px;border-radius:50%;background:var(--blue);margin-top:6px;flex:0 0 auto}.console-copy li strong{color:var(--text)}.product-window{border:1px solid var(--line-strong);border-radius:22px;background:var(--bg-elev);box-shadow:var(--shadow);overflow:hidden;display:grid;grid-template-columns:128px 1fr;min-height:520px}.product-sidebar{padding:17px 12px;border-right:1px solid var(--line);background:color-mix(in srgb,var(--bg-soft) 72%,var(--bg-elev));display:flex;flex-direction:column}.product-logo{display:flex;align-items:center;gap:7px;padding:2px 3px 18px;font-size:10px}.product-logo img{width:24px;height:24px}.product-sidebar nav{display:grid;gap:4px}.product-sidebar nav span{height:34px;border-radius:8px;display:flex;align-items:center;gap:9px;padding:0 9px;font-size:9px;color:var(--text-3)}.product-sidebar nav span.active{background:var(--bg-elev);color:var(--text);box-shadow:0 1px 5px rgba(20,30,40,.06)}.product-sidebar nav i{width:10px;height:10px;opacity:.7}.nav-dot{border:1px solid currentColor;border-radius:50%}.nav-square{border:1px solid currentColor;border-radius:2px}.nav-line{border-top:1px solid currentColor;border-bottom:1px solid currentColor}.nav-sliders{border-left:1px solid currentColor;border-right:1px solid currentColor}.nav-pulse{border-bottom:1px solid currentColor;transform:skewY(-20deg)}.product-sidebar>small{margin-top:auto;color:var(--text-3);font-size:7px;padding:8px}.product-main{padding:21px}.product-top{display:flex;justify-content:space-between;align-items:flex-start}.product-top small{font-size:8px;color:var(--text-3);letter-spacing:.1em}.product-top h3{font-size:25px;margin:3px 0 0;letter-spacing:-.035em}.product-top button,.diagnostic-strip button{border:1px solid var(--line-strong);background:var(--text);color:var(--bg);border-radius:9px;height:34px;padding:0 11px;font-size:9px;font-weight:700}.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:22px}.metric-grid>div{border:1px solid var(--line);border-radius:11px;background:var(--bg-soft);padding:12px}.metric-grid small{display:block;color:var(--text-3);font-size:7px}.metric-grid strong{font-size:17px;display:block;margin-top:7px}.metric-grid .metric-text{font-size:12px;color:var(--green)}.instance-panel{margin-top:12px;border:1px solid var(--line);border-radius:13px;overflow:hidden}.panel-head{padding:12px;display:flex;justify-content:space-between;align-items:center}.panel-head>div{display:grid;gap:2px}.panel-head strong{font-size:10px}.panel-head small{font-size:7px;color:var(--text-3)}.panel-head>span{font-size:7px;color:var(--text-3)}.instance-row{min-height:55px;border-top:1px solid var(--line);display:grid;grid-template-columns:1.25fr .8fr .5fr;gap:8px;align-items:center;padding:8px 12px;font-size:8px;color:var(--text-2)}.instance-row.live{background:color-mix(in srgb,var(--blue-soft) 48%,transparent)}.instance-name{display:flex;align-items:center;gap:8px}.instance-name>i{width:6px;height:6px;border-radius:50%;background:var(--text-3)}.instance-row.live .instance-name>i{background:var(--green)}.instance-name>div{display:grid;gap:2px}.instance-name strong{font-size:9px;color:var(--text)}.instance-name small{font-size:7px;color:var(--text-3)}.instance-row b{font-size:7px;color:var(--green);font-weight:700}.instance-row:not(.live) b{color:var(--text-3)}.diagnostic-strip{display:flex;align-items:center;justify-content:space-between;margin-top:12px;border-top:1px solid var(--line);padding-top:12px;font-size:8px;color:var(--text-3)}.diagnostic-strip button{height:30px;background:var(--bg-elev);color:var(--text-2)}

.ecosystem-section{padding-top:55px}.ecosystem-card{border:1px solid var(--line);border-radius:22px;background:var(--bg-elev);padding:28px;display:grid;grid-template-columns:110px 1fr;gap:30px;align-items:center;box-shadow:var(--shadow-sm)}.ecosystem-logo{width:96px;height:96px;border-radius:20px;background:var(--bg-soft);border:1px solid var(--line);display:grid;place-items:center}.ecosystem-logo img{max-width:62px;max-height:62px}.ecosystem-card h2{font-size:30px;margin:7px 0 8px}.ecosystem-card p{max-width:720px}.third-party-note{font-size:8px;color:var(--text-3);margin:10px 4px 0}.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.scene{border-top:1px solid var(--line-strong);padding-top:22px;min-height:180px}.scene>span{font-size:8px;letter-spacing:.1em;color:var(--text-3)}.scene h3{font-size:19px;margin:28px 0 9px}.scene p{font-size:12px;color:var(--text-2);line-height:1.75;margin:0;max-width:310px}

.story-strip{background:var(--bg-soft);border-block:1px solid var(--line);padding:75px 0}.story-inner{display:grid;grid-template-columns:230px 1fr;gap:55px;align-items:center}.story-mark{width:190px;height:190px}.story-mark img{width:100%;height:100%}.story-inner h2{font-size:38px}.story-inner p{max-width:720px}.download-section{padding:100px 0}.download-card{text-align:center;border:1px solid var(--line);border-radius:28px;background:var(--bg-elev);box-shadow:var(--shadow);padding:65px 30px}.download-card>img{width:78px;height:78px;margin-bottom:20px}.download-card h2{font-size:46px}.download-card p{max-width:620px;margin-inline:auto}.download-actions{display:flex;justify-content:center;gap:10px;margin-top:27px}.footer{height:90px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;color:var(--text-3);font-size:9px}.footer p{margin:0}.footer>p:last-child{text-align:right}.footer .brand img{width:26px;height:26px}.footer .brand{font-size:10px}

.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s ease,transform .55s ease}.reveal.visible{opacity:1;transform:none}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.button{transition:none}}

@media(max-width:1020px){.main-nav{display:none}.hero{grid-template-columns:1fr;padding-top:70px;gap:48px}.hero-copy{max-width:720px}.topology-card{max-width:760px}.benefit-grid{grid-template-columns:1fr}.benefit{min-height:210px}.simple-flow{grid-template-columns:1fr 42px 1.1fr 42px 1fr}.console-section{grid-template-columns:1fr}.console-copy{max-width:720px}.product-window{max-width:820px}.story-inner{grid-template-columns:170px 1fr}.story-mark{width:150px;height:150px}}
@media(max-width:720px){.shell{width:min(calc(100% - 30px),var(--shell))}.site-header{position:relative}.nav-shell{height:64px}.brand img{width:29px;height:29px}.nav-cta{display:none}.theme-switch button{padding:0 7px}.hero{min-height:auto;padding:62px 0 70px}.hero h1{font-size:43px}.hero-lede{font-size:15px}.trust-row{flex-wrap:wrap}.topology-card{padding:15px}.host-summary{margin-top:18px}.instance-mini-grid{grid-template-columns:1fr}.topology-rail{display:none}.instance-mini strong{margin-top:16px}.statement{grid-template-columns:1fr;padding:38px 0 65px;gap:15px}.section{padding:74px 0}.section-title{margin-bottom:32px}.section-title h2,.console-copy h2{font-size:36px}.simple-flow{display:flex;flex-direction:column;padding:12px}.flow-node{min-height:230px}.flow-link{width:1px;height:25px;align-self:center}.flow-link span{right:-3px;top:auto;bottom:0;transform:rotate(135deg)}.console-section{gap:35px}.product-window{grid-template-columns:1fr;min-height:auto}.product-sidebar{display:none}.product-main{padding:15px}.metric-grid{grid-template-columns:repeat(3,1fr)}.instance-row{grid-template-columns:1.2fr .75fr}.instance-row>b{display:none}.ecosystem-card{grid-template-columns:1fr;padding:22px}.ecosystem-logo{width:70px;height:70px}.scene-grid{grid-template-columns:1fr}.scene{min-height:150px}.story-inner{grid-template-columns:1fr;gap:24px}.story-mark{width:105px;height:105px}.story-inner h2{font-size:33px}.download-card{padding:48px 20px}.download-card h2{font-size:34px}.download-actions{flex-direction:column;align-items:stretch}.footer{height:auto;padding:25px 0;grid-template-columns:1fr;gap:13px}.footer>p:last-child{text-align:left}}
@media(max-width:460px){.theme-switch button{font-size:9px;padding:0 6px}.hero h1{font-size:38px}.hero-actions{flex-direction:column;align-items:stretch}.topology-brand img{width:36px;height:36px}.host-summary>div{padding:12px 10px}.statement p{font-size:28px}.product-top h3{font-size:22px}.metric-grid{gap:5px}.instance-row{grid-template-columns:1fr}.instance-row>span{display:none}}


/* V4.1: language and development log additions. Existing V4 visual system is unchanged. */
.lang-switch{height:34px;padding:3px;display:flex;border:1px solid var(--line);border-radius:10px;background:var(--bg-soft)}
.lang-switch button{border:0;background:transparent;color:var(--text-3);font-size:10px;padding:0 8px;border-radius:7px;cursor:pointer;min-width:28px}
.lang-switch button[aria-pressed="true"]{background:var(--bg-elev);color:var(--text);box-shadow:0 1px 4px rgba(20,30,40,.1)}
.updates-section{border-top:1px solid var(--line)}
.updates-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:38px}
.updates-title{margin-bottom:0}
.updates-all{flex:0 0 auto;font-size:11px;color:var(--text-2);display:inline-flex;align-items:center;gap:8px;padding-bottom:6px}
.updates-all:hover{color:var(--text)}
.updates-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.update-card{min-height:230px;border-top:1px solid var(--line-strong);padding:22px 4px 4px 0;display:flex;flex-direction:column}
.update-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--text-3);font-size:9px}
.update-meta>span{letter-spacing:.09em;text-transform:uppercase}
.update-card h3{font-size:20px;line-height:1.35;letter-spacing:-.025em;margin:34px 0 10px}
.update-card>p{color:var(--text-2);font-size:12px;line-height:1.75;margin:0}
.update-link{margin-top:auto;padding-top:24px;color:var(--blue);font-size:10px;font-weight:700}
.updates-empty{grid-column:1/-1;min-height:170px;border:1px dashed var(--line-strong);border-radius:18px;display:grid;place-items:center;color:var(--text-3);font-size:12px;background:var(--bg-soft)}
.updates-page-hero{padding:90px 0 58px;border-bottom:1px solid var(--line)}
.updates-page-hero>span{display:block;margin-top:36px;font-size:10px;letter-spacing:.15em;font-weight:750;color:var(--text-3)}
.updates-page-hero h1{font-size:clamp(48px,6vw,76px);letter-spacing:-.055em;line-height:1;margin:18px 0 20px}
.updates-page-hero p{max-width:690px;color:var(--text-2);font-size:15px;line-height:1.8;margin:0}
.back-link{font-size:11px;color:var(--text-3)}
.back-link:hover{color:var(--text)}
.updates-archive{padding:58px 0 110px;display:grid;gap:44px}
.update-card-detailed{min-height:0;border:1px solid var(--line);border-radius:20px;padding:25px;background:var(--bg-elev);box-shadow:var(--shadow-sm)}
.update-card-detailed h3{font-size:28px;margin:28px 0 12px}
.update-card-detailed>p{max-width:760px;font-size:14px}
.update-body{max-width:820px;margin-top:26px;padding-top:24px;border-top:1px solid var(--line)}
.update-body p{color:var(--text-2);font-size:13px;line-height:1.85;margin:0 0 15px}
@media(max-width:1020px){.updates-grid{grid-template-columns:1fr}.update-card{min-height:180px}.updates-all{padding-bottom:0}.nav-actions{gap:7px}}
@media(max-width:720px){.updates-head{align-items:flex-start;flex-direction:column;margin-bottom:28px}.lang-switch button,.theme-switch button{padding:0 6px}.updates-page-hero{padding:64px 0 42px}.updates-archive{padding:40px 0 78px}.update-card-detailed{padding:20px}}
@media(max-width:460px){.lang-switch{height:32px}.lang-switch button{font-size:9px;min-width:25px}.nav-actions{gap:5px}.updates-page-hero h1{font-size:44px}}

/* V4.2 — multilingual runtime + GitHub README development view */
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.language-picker{position:relative;height:34px;display:flex;align-items:center}
.language-picker select{height:34px;max-width:154px;border:1px solid var(--line);border-radius:10px;background:var(--bg-soft);color:var(--text);padding:0 30px 0 10px;font:inherit;font-size:10px;font-weight:650;outline:none;cursor:pointer;color-scheme:light dark;transition:border-color .18s ease,background .18s ease}
.language-picker select:hover,.language-picker select:focus{border-color:var(--line-strong);background:var(--bg-elev)}
/* Arabic: keep the exact same left-to-right page geometry as every other locale.
   Arabic glyphs still use the Unicode bidi algorithm, but we deliberately do not
   put RTL direction on layout/flex/grid elements because `direction: rtl` can
   reverse flex inline order and moves `start` alignment to the right. */
html[data-text-dir="rtl"] .language-picker select{padding:0 30px 0 10px;direction:ltr;text-align:left;unicode-bidi:plaintext}
html[data-text-dir="rtl"] body{direction:ltr;text-align:left}
html[data-text-dir="rtl"] [data-i18n],html[data-text-dir="rtl"] [data-i18n-html]{direction:ltr;unicode-bidi:plaintext}
html[data-text-dir="rtl"] .markdown-body,html[data-text-dir="rtl"] #readme-toc{direction:ltr;text-align:left}
html[data-text-dir="rtl"] .markdown-body [dir="rtl"]{direction:ltr!important;text-align:left}
html[data-text-dir="rtl"] .markdown-body :is(h1,h2,h3,h4,h5,h6,p,li,blockquote,td,th,a,strong,em),
html[data-text-dir="rtl"] #readme-toc a{direction:ltr;unicode-bidi:plaintext;text-align:left}

.development-section{display:grid;grid-template-columns:minmax(0,.9fr) minmax(420px,1.1fr);gap:70px;align-items:center;border-top:1px solid var(--line)}
.development-copy{max-width:590px}
.development-copy h2{font-size:clamp(36px,4vw,52px);letter-spacing:-.048em;line-height:1.04;margin:12px 0 18px}
.development-copy>p{color:var(--text-2);font-size:14px;line-height:1.82;margin:0}
.development-points{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0 28px}
.development-points span{border:1px solid var(--line);background:var(--bg-soft);border-radius:999px;padding:7px 10px;font-size:9px;color:var(--text-2)}
.development-preview{display:block;color:inherit;border:1px solid var(--line);border-radius:22px;background:var(--bg-elev);box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}
.development-preview:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.dev-preview-top,.dev-preview-footer{height:48px;padding:0 17px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);font-size:8px;color:var(--text-3);letter-spacing:.08em}
.dev-preview-top>span{display:flex;align-items:center;gap:7px}.dev-preview-top i{width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px color-mix(in srgb,var(--green) 12%,transparent)}
.dev-preview-top b{font-weight:700;color:var(--text-2);letter-spacing:0}.dev-preview-doc{min-height:260px;padding:28px 25px;background:linear-gradient(180deg,color-mix(in srgb,var(--bg-soft) 48%,transparent),transparent)}
.dev-preview-line{height:8px;border-radius:4px;background:var(--line-strong);margin-bottom:10px}.dev-preview-line.w-72{width:72%;height:17px;background:color-mix(in srgb,var(--text) 14%,transparent)}.dev-preview-line.w-45{width:45%}.dev-preview-line.w-88{width:88%}.dev-preview-line.w-82{width:82%}.dev-preview-line.w-60{width:60%}.dev-preview-rule{height:1px;background:var(--line);margin:23px 0}.dev-preview-code{border:1px solid var(--line);border-radius:11px;background:var(--bg-soft);padding:14px;margin-top:25px;display:grid;gap:8px}.dev-preview-code span{height:5px;border-radius:3px;background:color-mix(in srgb,var(--blue) 22%,var(--line));width:74%}.dev-preview-code span:nth-child(2){width:57%}.dev-preview-code span:nth-child(3){width:83%}.dev-preview-footer{border-top:1px solid var(--line);border-bottom:0;height:44px;letter-spacing:0}.dev-preview-footer span:last-child{color:var(--blue);font-weight:700}

.development-page .main-nav a.active{color:var(--text)}
.dev-hero{padding:92px 0 50px;border-bottom:1px solid var(--line)}
.back-link{display:inline-flex;color:var(--text-3);font-size:10px;margin-bottom:35px}.back-link:hover{color:var(--text)}
.dev-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:70px;align-items:end}
.dev-hero h1{font-size:clamp(52px,7vw,82px);letter-spacing:-.06em;line-height:.96;margin:14px 0 20px}
.dev-hero p{max-width:700px;color:var(--text-2);font-size:15px;line-height:1.78;margin:0}
.dev-source-summary{border:1px solid var(--line);border-radius:17px;background:var(--bg-elev);overflow:hidden;box-shadow:var(--shadow-sm)}
.dev-source-summary>div{padding:14px 16px;display:grid;gap:6px}.dev-source-summary>div+div{border-top:1px solid var(--line)}.dev-source-summary small{font-size:8px;color:var(--text-3);letter-spacing:.08em;text-transform:uppercase}.dev-source-summary strong{font-size:11px;color:var(--text);font-weight:700;overflow-wrap:anywhere}.source-network{display:flex!important;align-items:center;gap:8px}.source-network i,.source-pill i{width:6px;height:6px;border-radius:50%;background:var(--green);flex:0 0 auto}.source-network.mirror i,.source-pill.mirror i{background:#e9a23b}
.doc-section{padding:34px 0 110px}
.doc-toolbar{min-height:54px;border:1px solid var(--line);border-radius:14px;background:var(--bg-elev);display:flex;align-items:center;justify-content:space-between;gap:20px;padding:10px 12px 10px 14px;box-shadow:var(--shadow-sm);margin-bottom:14px}
.doc-source-meta{display:flex;align-items:center;gap:11px;min-width:0;font-size:9px;color:var(--text-3)}.doc-source-meta>span:last-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.source-pill{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);background:var(--bg-soft);border-radius:999px;padding:6px 9px;color:var(--text-2);flex:0 0 auto}.source-pill b{font-size:8px}.doc-toolbar-actions{display:flex;align-items:center;gap:6px;flex:0 0 auto}.doc-toolbar-actions button,.doc-toolbar-actions a,.readme-state button{height:31px;border:1px solid var(--line);border-radius:8px;background:var(--bg-soft);color:var(--text-2);font-size:9px;font-weight:650;padding:0 10px;display:inline-flex;align-items:center;cursor:pointer}.doc-toolbar-actions button:hover,.doc-toolbar-actions a:hover,.readme-state button:hover{border-color:var(--line-strong);color:var(--text);background:var(--bg-elev)}
.doc-notice{border:1px solid color-mix(in srgb,#e9a23b 35%,var(--line));border-radius:14px;background:color-mix(in srgb,#e9a23b 7%,var(--bg-elev));padding:14px 16px;margin-bottom:14px}.doc-notice[hidden]{display:none}.doc-notice strong{font-size:11px}.doc-notice p{font-size:10px;line-height:1.6;color:var(--text-2);margin:5px 0 0;max-width:820px}
.doc-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:22px;align-items:start}.doc-toc{position:sticky;top:88px}.doc-toc-inner{border:1px solid var(--line);border-radius:16px;background:var(--bg-elev);padding:15px;box-shadow:var(--shadow-sm)}.doc-toc-inner>span{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--text-3);font-weight:750;margin-bottom:12px}.doc-toc nav{display:grid;gap:2px}.doc-toc nav a{font-size:13px;color:var(--text-3);line-height:1.5;padding:7px 8px;border-radius:7px}.doc-toc nav a:hover{background:var(--bg-soft);color:var(--text)}.doc-toc nav a.h3{padding-inline-start:18px;font-size:12px}.doc-toc nav em{font-style:normal;color:var(--text-3);font-size:12px;line-height:1.55}
.markdown-card{min-height:520px;border:1px solid var(--line);border-radius:18px;background:var(--bg-elev);box-shadow:var(--shadow-sm);overflow:hidden}.readme-state{min-height:520px;display:grid;place-items:center;align-content:center;text-align:center;padding:40px;color:var(--text-3);gap:12px}.readme-state[hidden]{display:none}.readme-state p{max-width:520px;margin:0;font-size:11px;line-height:1.7}.readme-state.error strong{font-size:18px;color:var(--text)}.readme-spinner{width:23px;height:23px;border:2px solid var(--line-strong);border-top-color:var(--blue);border-radius:50%;animation:readme-spin .8s linear infinite}@keyframes readme-spin{to{transform:rotate(360deg)}}
.markdown-body{padding:44px clamp(24px,5vw,70px) 70px;max-width:1000px;margin:0 auto;color:var(--text-2);font-size:14px;line-height:1.82;overflow-wrap:anywhere}.markdown-body[hidden]{display:none}.markdown-body>*:first-child{margin-top:0}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4,.markdown-body h5,.markdown-body h6{position:relative;color:var(--text);font-weight:760;letter-spacing:-.03em;line-height:1.25;scroll-margin-top:95px}.markdown-body h1,.markdown-body .readme-project-title{font-size:38px;margin:0 0 24px;color:var(--text);font-weight:760;letter-spacing:-.03em;line-height:1.25}.markdown-body h2{font-size:27px;margin:48px 0 15px;padding-top:12px;border-top:1px solid var(--line)}.markdown-body h3{font-size:20px;margin:34px 0 12px}.markdown-body h4{font-size:16px;margin:28px 0 10px}.heading-anchor{position:absolute;inset-inline-start:-20px;color:var(--text-3);font-weight:500;opacity:0;text-decoration:none}.markdown-body h1:hover .heading-anchor,.markdown-body h2:hover .heading-anchor,.markdown-body h3:hover .heading-anchor{opacity:1}.markdown-body p{margin:0 0 17px}.markdown-body a{color:var(--blue);text-decoration:none}.markdown-body a:hover{text-decoration:underline}.markdown-body strong{color:var(--text);font-weight:720}.markdown-body ul,.markdown-body ol{padding-inline-start:1.5em;margin:12px 0 20px}.markdown-body li{margin:6px 0}.markdown-body li::marker{color:var(--text-3)}.markdown-body blockquote{margin:22px 0;padding:14px 18px;border-inline-start:3px solid var(--blue);background:var(--bg-soft);border-radius:0 11px 11px 0;color:var(--text-2)}.markdown-body[dir="rtl"] blockquote{border-radius:11px 0 0 11px}.markdown-body blockquote p:last-child{margin-bottom:0}.markdown-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}.markdown-body code{font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;font-size:.9em;background:var(--bg-soft);border:1px solid var(--line);padding:.15em .4em;border-radius:5px;color:var(--text)}.markdown-body pre{position:relative;margin:20px 0 24px;background:#0b1018;color:#dce8ff;border:1px solid color-mix(in srgb,#7aa8ff 18%,#1e2a3b);border-radius:13px;overflow:auto;padding:18px 17px;direction:ltr;text-align:left}.markdown-body pre code{background:none;border:0;color:inherit;padding:0;font-size:12px;line-height:1.65;white-space:pre}.copy-code{position:absolute;top:8px;right:8px;border:1px solid rgba(255,255,255,.12);border-radius:7px;background:rgba(255,255,255,.06);color:#aebbd0;font-size:8px;padding:5px 7px;cursor:pointer}.copy-code:hover{background:rgba(255,255,255,.1);color:#fff}.table-wrap{overflow:auto;margin:20px 0 28px;border:1px solid var(--line);border-radius:12px}.markdown-body table{width:100%;border-collapse:collapse;min-width:520px}.markdown-body th,.markdown-body td{padding:10px 12px;border-bottom:1px solid var(--line);border-inline-end:1px solid var(--line);text-align:start;vertical-align:top;font-size:11px}.markdown-body th{background:var(--bg-soft);color:var(--text);font-weight:720}.markdown-body tr:last-child td{border-bottom:0}.markdown-body th:last-child,.markdown-body td:last-child{border-inline-end:0}.markdown-body img{display:block;max-width:100%;height:auto;border:1px solid var(--line);border-radius:13px;margin:24px auto;box-shadow:var(--shadow-sm);cursor:zoom-in}.task-item{display:flex;align-items:flex-start;gap:8px}.task-item input{margin-top:.38em;accent-color:var(--blue)}

@media(max-width:1020px){.development-section{grid-template-columns:1fr;gap:38px}.development-copy{max-width:760px}.development-preview{max-width:760px}.dev-hero-grid{grid-template-columns:1fr;gap:30px}.dev-source-summary{max-width:500px}.doc-layout{grid-template-columns:1fr}.doc-toc{position:static}.doc-toc-inner{padding:12px 14px}.doc-toc nav{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){.language-picker select{max-width:112px;padding-inline-start:8px;padding-inline-end:24px}.development-section{padding-top:74px}.dev-preview-doc{min-height:210px}.dev-hero{padding:64px 0 36px}.dev-hero h1{font-size:50px}.doc-section{padding-top:22px}.doc-toolbar{align-items:flex-start;flex-direction:column}.doc-toolbar-actions{width:100%}.doc-toolbar-actions button,.doc-toolbar-actions a{flex:1;justify-content:center}.doc-toc nav{grid-template-columns:1fr}.markdown-body{padding:30px 22px 50px;font-size:13px}.markdown-body h1,.markdown-body .readme-project-title{font-size:31px}.markdown-body h2{font-size:23px}.heading-anchor{display:none}}
@media(max-width:460px){.language-picker select{max-width:96px;font-size:9px}.dev-source-summary{width:100%}.development-points{display:grid}.doc-source-meta>span:last-child{display:none}.markdown-card{border-radius:14px}.markdown-body{padding-inline:17px}.markdown-body pre{margin-inline:-4px}}


/* V4.4.9 — Development docs render immediately; do not wait for scroll/IntersectionObserver. */
.doc-layout > .reveal{opacity:1;transform:none;transition:none}

/* V4.4.3 — resilient Development snapshot */
.source-network.bundled i { opacity: .65; }
.source-pill.bundled { opacity: .92; }
.button.disabled, .button[aria-disabled="true"] { cursor: default; opacity: .72; }

/* V4.4.10 — keep Avalon shell geometry LTR while Arabic UI strings use RTL bidi; README/TOC remain native RTL. */

/* V4.4.12 — mobile typography SEO/accessibility hotfix.
   Yandex mobile audit strongly recommends at least 12px readable text.
   Desktop typography remains unchanged; only <=720px is affected. */
@media(max-width:720px){
  .theme-switch button,
  .language-picker select,
  .eyebrow,.kicker,.section-title>span,.ecosystem-card>div>span,.story-inner>div>span,.download-card>span,
  .trust-row,
  .topology-brand small,.online,.host-summary small,.mini-top,.instance-mini strong,.instance-mini small,.preview-note,
  .statement>span,.benefit>span,.icon-window::after,.flow-number,.handled-chips span,.boundary-note,
  .product-logo,.product-sidebar nav span,.product-sidebar>small,.product-top small,.product-top button,.diagnostic-strip button,
  .metric-grid small,.panel-head strong,.panel-head small,.panel-head>span,.instance-row,.instance-name strong,.instance-name small,.instance-row b,
  .diagnostic-strip,.third-party-note,.scene>span,.footer,.footer .brand,
  .lang-switch button,.updates-all,.update-meta,.update-link,.updates-page-hero>span,.back-link,
  .development-points span,.dev-preview-top,.dev-preview-footer,.dev-source-summary small,.dev-source-summary strong,
  .doc-source-meta,.source-pill b,.doc-toolbar-actions button,.doc-toolbar-actions a,.readme-state button,
  .doc-notice strong,.doc-notice p,.doc-toc-inner>span,.readme-state p,.copy-code,
  .markdown-body th,.markdown-body td {
    font-size:12px;
  }
}