@layer reset,base,layout,components,responsive,cjk;@layer reset{*,*:before,*:after{box-sizing:border-box}body,h1,h2,h3,p,figure{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}img,svg{display:block}img{max-width:100%;height:auto}a{color:inherit;text-decoration:none}button{color:inherit}[hidden]{display:none!important}}@layer base{:root{color-scheme:light;--paper: #f8f9f6;--white: #fff;--ink: #20231f;--muted: #61675e;--rule: #d8ddd3;--accent: #9ca786;--accent-pale: #edf0e6;--sans: "Inter", "Segoe UI", Arial, sans-serif;--mono: "SFMono-Regular", Consolas, monospace;--header-height: 80px}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-height) + 24px)}body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}:lang(ja){--sans: "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;line-break:strict}:lang(zh-HK){--sans: "Noto Sans HK", "PingFang HK", "Microsoft JhengHei", sans-serif;line-break:strict}h1,h2,h3{font-weight:600;line-height:1.12;letter-spacing:-.045em;text-wrap:balance;overflow-wrap:anywhere}h1{font-size:clamp(44px,4.55vw,68px)}h2{font-size:clamp(32px,3.3vw,48px);white-space:pre-line}h3{font-size:23px;letter-spacing:-.025em;line-height:1.3}p{overflow-wrap:anywhere}:lang(ja) :is(h1,h2),:lang(zh-HK) :is(h1,h2){line-height:1.48;letter-spacing:-.035em}:lang(ja) h1{font-size:clamp(34px,3.6vw,54px)}:lang(zh-HK) h1{font-size:clamp(34px,3.8vw,55px)}:lang(ja) h2,:lang(zh-HK) h2{font-size:clamp(29px,2.8vw,42px)}:lang(ja) p,:lang(zh-HK) p{line-height:1.95}::selection{background:#dbe3cd;color:var(--ink)}:focus-visible{outline:2px solid #536143;outline-offset:5px}button,summary,a{touch-action:manipulation}summary{cursor:pointer}.shell{width:min(1280px,calc(100% - 96px));margin-inline:auto}.section{padding-block:108px}.eyebrow{font-size:11px;font-weight:600;letter-spacing:.14em;line-height:1.5;display:flex;align-items:center;gap:10px;margin-bottom:27px}.status-dot{display:inline-block;width:6px;height:6px;flex-shrink:0;background:#7d8e66}.section-heading{display:grid;grid-template-columns:1.2fr 1fr;align-items:end;gap:80px;margin-bottom:54px}.section-heading>p{color:var(--muted);max-width:390px;justify-self:end}.button{display:inline-flex;align-items:center;justify-content:center;gap:22px;padding:15px 22px;min-height:52px;background:var(--ink);color:#fff;border:1px solid var(--ink);font-size:14px;line-height:1.5;font-weight:500;transition:background .2s,transform .2s}.button:hover{background:#3e4736;border-color:#3e4736;transform:translateY(-1px)}.button svg,.text-link svg{flex-shrink:0}.text-link{display:inline-flex;align-items:center;gap:12px;font-size:14px;font-weight:500;padding-block:12px;text-decoration:underline;text-decoration-color:var(--rule);text-underline-offset:6px}.text-link:hover{text-decoration-color:currentColor}.brand{display:inline-flex;align-items:center;gap:10px;font-family:Segoe UI,Arial,sans-serif;font-weight:800;font-size:24px;letter-spacing:-.055em;line-height:1;white-space:nowrap}.brand svg{flex-shrink:0}.brand-link{display:inline-flex;padding-block:10px}.skip-link{position:fixed;z-index:100;top:-100px;left:20px;background:var(--ink);color:#fff;padding:14px}.skip-link:focus{top:12px}}@layer layout{.site-header{position:sticky;top:0;z-index:20;background:#f8f9f6f5;border-bottom:1px solid var(--rule);backdrop-filter:blur(12px)}.header-inner{display:flex;align-items:center;gap:36px;min-height:80px}.desktop-nav{display:flex;gap:25px;margin-left:auto;font-size:13px}.desktop-nav a{padding-block:14px;white-space:nowrap;color:var(--muted)}.desktop-nav a:hover{color:var(--ink)}.header-actions{display:flex;align-items:center;gap:23px}.language-picker{position:relative;font-size:13px;white-space:nowrap}.language-picker summary{list-style:none;display:flex;align-items:center;gap:8px;min-height:44px;cursor:pointer}.language-picker summary::-webkit-details-marker{display:none}.language-flag{flex:none;border-radius:2px;box-shadow:0 0 0 1px #20231f20}.language-chevron{flex:none;width:12px;height:12px;transition:transform .15s}.language-picker[open] .language-chevron{transform:rotate(180deg)}.language-nav{position:absolute;top:100%;right:0;min-width:180px;padding:6px;background:var(--paper);border:1px solid var(--rule);border-radius:8px;box-shadow:0 12px 32px #20231f16;z-index:30}.language-nav a{display:flex;align-items:center;gap:10px;min-height:44px;padding:8px 10px;color:var(--ink);border-radius:4px;font-size:13px}.language-nav a:hover,.language-nav a:focus-visible,.language-nav a[aria-current]{background:var(--accent-pale)}.language-check{margin-inline-start:auto}.compact{min-height:40px;padding:10px 14px;font-size:12px;gap:15px}.mobile-menu{display:none}.hero{display:grid;grid-template-columns:1.22fr 1fr;gap:28px 78px;padding-top:88px}.hero-copy{padding-block:16px 28px}h1 span{display:block}.quiet-line{color:#727a6a}.hero-intro{max-width:530px;color:var(--muted);margin-block:28px;font-size:17px;line-height:1.75}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px 22px}.watch-link{display:inline-flex;align-items:center;gap:10px;margin-top:24px;font-size:13px}.watch-link>span{display:grid;place-items:center;width:27px;height:27px;border:1px solid var(--rule);border-radius:50%;font-size:15px}.hero-foot{grid-column:1 / -1;border-block:1px solid var(--rule);padding-block:24px;display:flex;gap:32px;margin-top:30px;font-size:12px}.hero-foot>span{display:flex;align-items:center;gap:9px}.hero-foot .edition{margin-left:auto;color:var(--muted);font-family:var(--mono);font-size:10px}.governance-drawing{position:relative;align-self:start;padding:22px 35px 18px;border:1px solid var(--rule);background-image:radial-gradient(#d8ddd3 .65px,transparent .65px);background-size:15px 15px}.drawing-caption{display:flex;justify-content:space-between;gap:20px;font-size:9px;letter-spacing:.07em;margin-bottom:22px}.drawing-caption>span:last-child{white-space:nowrap;font-family:var(--mono);color:var(--muted)}.agent-node{display:flex;align-items:center;gap:16px;border:1px solid var(--rule);background:var(--paper);padding:17px 20px;margin-inline:20px}.node-symbol{font-size:30px}.agent-node strong{display:block;font-size:15px;font-weight:500}.agent-node div>span{font-size:11px;color:var(--muted)}.node-port{width:7px;height:7px;border:1px solid var(--muted);margin-left:auto}.connector{width:1px;height:26px;background:#aeb6a5;margin-inline:auto;position:relative}.connector:after{content:"";position:absolute;bottom:0;left:-3px;width:7px;height:7px;border-right:1px solid #aeb6a5;border-bottom:1px solid #aeb6a5;transform:rotate(45deg)}.gateway-node{border:1px solid #aeb6a5;background:var(--white);box-shadow:0 7px 18px #20231f06}.gateway-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:20px;border-bottom:1px solid var(--rule)}.gateway-head .brand{font-size:21px}.gateway-head .brand svg{width:26px;height:26px}.gateway-head>span:not(.brand){font-size:8px;color:var(--muted);font-family:var(--mono)}.gateway-node ol{list-style:none;margin:0;padding:10px}.gateway-node li{display:flex;align-items:center;gap:12px;padding:12px 10px;font-size:13px}.step-number{font:10px var(--mono);color:var(--muted)}.check{margin-left:auto;color:var(--muted)}.gateway-node li.clearance{background:var(--accent-pale)}.clearance svg{margin-left:auto;flex-shrink:0;color:#52663a}.system-node{display:flex;align-items:center;justify-content:center;gap:12px;padding:16px 10px;border:1px solid var(--rule);background:var(--paper);margin-inline:20px;font-size:12px}.system-node svg{flex-shrink:0}.drawing-note{text-align:center;font-size:10px;color:var(--muted);margin-top:18px}}@layer components{.pillar-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.pillar-card{border:1px solid var(--rule);padding:30px;display:flex;flex-direction:column;transition:background .2s,border-color .2s}.pillar-card+.pillar-card{border-left:0}.pillar-card:hover{background:#fff}.pillar-top{display:flex;align-items:start;justify-content:space-between;margin-bottom:40px}.pillar-top>span{font:11px var(--mono);color:var(--muted)}.pillar-card h3{font-size:22px;margin-bottom:12px}.pillar-card .card-sub{font-size:13px;color:var(--ink);margin-bottom:14px;font-weight:500}.pillar-card p{font-size:14px;color:var(--muted)}.technical-tag{font:10px/1.6 var(--mono);color:var(--muted);border-top:1px solid var(--rule);padding-top:20px;margin-top:auto;overflow-wrap:anywhere}.pillar-card>p:last-of-type{margin-bottom:30px}.scenarios-section{background:#f0f2ec;border-block:1px solid var(--rule)}.scenario-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-bottom:1px solid #bcc4b3;gap:20px}.scenario-tabs button{border:0;background:none;padding:18px 0;display:flex;align-items:center;text-align:left;gap:14px;color:var(--muted);font-size:14px}.scenario-tabs button>span{font:10px var(--mono)}.scenario-tabs button svg{margin-left:auto;flex-shrink:0}.scenario-tabs button[aria-selected=true]{box-shadow:0 2px var(--ink);color:var(--ink)}.scenario-panel{display:grid;grid-template-columns:1fr 1fr;gap:90px;padding-top:48px}.scenario-copy h3{font-size:31px;line-height:1.25;white-space:pre-line;margin-bottom:30px}.scenario-point{margin-top:24px}.scenario-point>span{font-size:11px;font-weight:600}.scenario-point p{color:var(--muted);font-size:14px;margin-top:7px}.flow-card{background:var(--paper);border:1px solid var(--rule);padding:27px}.flow-heading{display:flex;justify-content:space-between;gap:14px;border-bottom:1px solid var(--rule);padding-bottom:20px;font-size:12px}.flow-id{font:9px/1.8 var(--mono);color:var(--muted);white-space:nowrap}.flow-card ol{list-style:none;margin:20px 0;padding:0}.flow-card li{display:flex;align-items:center;gap:17px;padding:14px 12px}.flow-index{font:10px var(--mono);color:var(--muted)}.flow-card small{display:block;color:var(--muted);font-size:10px}.flow-card strong{display:block;font-size:13px;font-weight:500}.flow-authorize{background:var(--accent-pale)}.flow-end{margin-left:auto;color:var(--muted)}.flow-card>p{border-top:1px solid var(--rule);padding-top:18px;color:var(--muted);font-size:12px}.demo-section .section-heading{grid-template-columns:1.35fr 1fr}.demo-flows{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}.demo-flows button{display:flex;align-items:center;gap:12px;background:none;border:1px solid var(--rule);padding:12px 18px;font-size:13px;color:var(--muted)}.demo-flows button>span{font:10px var(--mono)}.demo-flows button[aria-selected=true]{background:var(--ink);border-color:var(--ink);color:#fff}.demo-flow-head{display:grid;grid-template-columns:1fr 1.6fr;gap:40px;align-items:start;margin-bottom:20px}.demo-flow-head h3{font-size:24px;line-height:1.25;white-space:pre-line}.demo-flow-head p{color:var(--muted);font-size:14px}.watch-flow{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:12px;font-weight:500;color:var(--ink);text-decoration:none}.watch-flow:hover{text-decoration:underline}.demo-player{border:1px solid var(--rule);background:#fff}.demo-toolbar{display:flex;justify-content:space-between;gap:16px;background:#f0f2ec;border-bottom:1px solid var(--rule);padding:10px 24px}.demo-tabs{display:flex;flex-wrap:wrap;gap:8px}.demo-tabs button{display:flex;align-items:center;gap:12px;background:none;border:1px solid transparent;padding:10px 16px;font-size:12px;color:var(--muted)}.demo-tabs button>span{font:9px var(--mono)}.demo-tabs button[aria-selected=true]{border-color:var(--rule);background:#fff;color:var(--ink)}.play-button{display:inline-flex;align-items:center;justify-content:center;gap:9px;background:none;border:0;font-size:12px;padding:10px 0}.capture-link{display:block;position:relative;background:#f8f7f3}.capture-link img{width:100%;aspect-ratio:1280 / 840;object-fit:contain}.capture-scroll{max-height:720px;overflow-y:auto;overscroll-behavior:contain}.capture-scroll img{aspect-ratio:auto;height:auto;display:block}.expand-label{position:absolute;bottom:16px;right:16px;display:flex;align-items:center;gap:8px;padding:9px 13px;background:#fff;border:1px solid var(--rule);font-size:11px}.capture-link:hover .expand-label{background:var(--accent-pale)}.demo-player figcaption{display:flex;align-items:start;gap:18px;padding:23px 30px;border-top:1px solid var(--rule);font-size:13px}.caption-number{font:11px/2 var(--mono);color:var(--muted)}.demo-provenance{display:flex;align-items:center;gap:8px;justify-content:center;font-size:11px;color:var(--muted);margin-top:18px}.security-section{background:#252923;color:#f0f2ec}.security-section .eyebrow{color:#b5beaa}.security-section .section-heading>p{color:#bac0b5}.security-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-block:1px solid #51574c}.security-grid article{display:flex;flex-direction:column;padding:28px}.security-grid article:first-child{padding-left:0}.security-grid article+article{border-left:1px solid #51574c}.security-number{display:flex;justify-content:space-between;margin-bottom:30px;color:#b7c0aa;font:11px var(--mono)}.security-number>span{font-size:18px}.security-grid h3{font-size:20px;line-height:1.4;margin-bottom:14px}.security-grid p{font-size:13px;color:#bdc4b7;margin-bottom:27px}.security-tag{font:9px/1.7 var(--mono);letter-spacing:.05em;margin-top:auto;color:#b6c1a9}.security-foot{display:flex;align-items:center;justify-content:space-between;gap:50px;margin-top:30px}.security-foot p{color:#bbc2b5;font-size:12px;max-width:680px}.security-foot .text-link{flex-shrink:0}.program-intro{display:grid;grid-template-columns:1fr 1fr;gap:90px}.program-intro .text-link{margin-top:20px}.program-intro p{color:var(--muted)}.program-intro .program-terms{font-size:12px;margin-top:20px}.roadmap{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));list-style:none;padding:0;margin:54px 0 48px}.roadmap li{padding-right:26px}.roadmap-time{display:flex;flex-direction:column;gap:17px;font:10px var(--mono);color:var(--muted);position:relative;margin-bottom:20px}.roadmap-time:after{content:"";height:1px;background:var(--rule);position:absolute;bottom:11px;left:24px;right:-26px}.roadmap li:last-child .roadmap-time:after{right:0}.roadmap-dot{width:24px;height:24px;border:1px solid var(--rule);display:grid;place-items:center;background:var(--paper);color:var(--ink)}.roadmap h3{font-size:17px;margin-bottom:10px}.roadmap p{font-size:13px;color:var(--muted)}.gap-note{display:grid;grid-template-columns:auto 1fr 1.5fr;gap:25px;align-items:start;background:#eff1ea;padding:32px}.gap-symbol{font:26px/1 var(--mono);color:#71825d}.gap-note h3{font-size:20px}.gap-note p{font-size:14px;color:var(--muted)}.faq-section{display:grid;grid-template-columns:.8fr 1.2fr;gap:100px;border-top:1px solid var(--rule)}.faq-section h2{font-size:37px}.faq-section>div>p:last-child{font-size:14px;color:var(--muted);margin-top:20px}.faq-list details{border-bottom:1px solid var(--rule)}.faq-list details:first-child{border-top:1px solid var(--rule)}.faq-list summary{display:flex;align-items:baseline;gap:16px;padding-block:22px;font-size:15px;font-weight:500;line-height:1.6;list-style:none}summary::-webkit-details-marker{display:none}.faq-number{font:10px var(--mono);color:var(--muted);flex-shrink:0}.faq-toggle{position:relative;width:12px;height:12px;margin-left:auto;flex-shrink:0}.faq-toggle:before,.faq-toggle:after{content:"";background:currentColor;position:absolute;top:5px;left:0;width:12px;height:1px}.faq-toggle:after{transform:rotate(90deg)}details[open] .faq-toggle:after{transform:rotate(0)}.faq-list details>p{font-size:14px;color:var(--muted);padding:0 25px 24px 30px}.contact-section{border-block:1px solid var(--rule);background:#ecefe6}.contact-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:90px;align-items:start}.contact-copy>p:not(.eyebrow){color:var(--muted);max-width:420px;margin-top:26px}.contact-emblem{margin-top:60px}.contact-emblem .brand{font-size:33px}.contact-emblem svg{width:49px;height:49px}.contact-copy .preview-note{font-size:12px;border-top:1px solid #ccd3c3;padding-top:18px}.form-card{background:var(--paper);padding:32px;border:1px solid var(--rule);min-width:0}fieldset{min-width:0}.intent-selector{padding:0;margin:0 0 24px;border:0;display:flex;flex-wrap:wrap;gap:8px}.intent-selector legend{padding:0;margin-bottom:12px;font-size:12px;font-weight:500}.intent-selector label{position:relative;display:inline-flex}.intent-selector input{position:absolute;inset:0;width:100%;opacity:0;cursor:pointer}.intent-selector span{display:block;border:1px solid var(--rule);padding:8px 10px;font-size:11px}.intent-selector input:checked+span{color:var(--ink);background:var(--accent-pale);border-color:#869475}.intent-selector input:focus-visible+span{outline:2px solid #536143;outline-offset:3px}.required-note{font-size:11px;color:var(--muted);margin-bottom:16px}.form-fields{display:grid;grid-template-columns:1fr 1fr;gap:18px}.form-fields>label{font-size:12px;font-weight:500;min-width:0}.form-fields .full{grid-column:1 / -1}.form-fields :is(input,select,textarea){display:block;width:100%;min-width:0;margin-top:7px;border:1px solid #cbd1c5;border-radius:0;background:#fff;color:var(--ink);padding:11px 12px;min-height:46px;font-size:16px}.form-fields textarea{resize:vertical;max-height:500px}.optional{color:var(--muted);font-weight:400;font-size:11px}.privacy-note{margin-block:18px;font-size:11px;color:var(--muted)}.privacy-note summary{text-decoration:underline;text-underline-offset:3px}.privacy-note p{margin-top:10px}.consent{display:flex;align-items:start;gap:10px;font-size:12px}.consent input{margin:3px 0 0;width:17px;height:17px;flex-shrink:0;accent-color:#536143}.form-submit{width:100%;justify-content:space-between;margin-top:24px}#form-review h3{margin-block:16px}#form-review>p{color:var(--muted);font-size:14px}.review-check{display:grid;place-items:center;width:38px;height:38px;background:var(--accent-pale);color:#536143}[data-review]{margin-block:25px}[data-review] dt{font-size:11px;color:var(--muted);margin-top:14px}[data-review] dd{margin:3px 0 0;font-size:14px;white-space:pre-wrap;overflow-wrap:anywhere}.site-footer{padding-block:44px 24px}.footer-main{display:flex;align-items:center;gap:32px;padding-bottom:32px;border-bottom:1px solid var(--rule)}.footer-main>p{font-size:12px;color:var(--muted)}.back-top{margin-left:auto;display:flex;align-items:center;gap:14px;font-size:11px}.footer-bottom{display:flex;justify-content:space-between;gap:25px;padding-top:20px;font-size:10px;color:var(--muted)}.footer-bottom nav{display:flex;gap:26px}}@layer responsive{@media(min-width:1600px){.hero{padding-top:105px}}@media(max-width:1200px){.shell{width:calc(100% - 64px)}.header-inner{gap:22px}.desktop-nav{gap:16px}.header-actions{gap:14px}.header-cta{display:none}.hero{gap:28px 38px;grid-template-columns:1.2fr 1fr;padding-top:66px}.governance-drawing{padding-inline:22px}.hero-actions .button{font-size:13px}.scenario-panel,.program-intro,.contact-grid{gap:48px}.security-grid article{padding:24px 20px}.faq-section{gap:55px}}@media(max-width:900px){.section{padding-block:76px}.hero{grid-template-columns:1fr;padding-top:55px}h1{font-size:clamp(45px,7.8vw,66px)}.hero-copy{max-width:700px}.hero-intro{max-width:600px}.governance-drawing{width:min(520px,100%);margin-inline:auto}.hero-foot{flex-wrap:wrap;gap:16px 28px;margin-top:16px}.hero-foot .edition{display:none}.section-heading{gap:35px}.pillar-card{padding:22px}.pillar-card h3{font-size:19px}.pillar-card p{font-size:13px}.scenario-panel{gap:30px}.scenario-copy 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