:root{--radius:20px}
    *{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}
    button,a,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer}button:disabled{cursor:default}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--brand);outline-offset:5px}button{color:inherit}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.3}button{border:0}svg{display:block}section[id]{scroll-margin-top:95px}.wrap{width:min(1120px,calc(100% - 64px));margin:auto}.skip{position:absolute;top:-100px;background:var(--ink);color:white;padding:12px;z-index:20}.skip:focus{top:8px}
    .top{position:sticky;top:0;z-index:5;border-bottom:1px solid var(--line);background:rgba(250,249,246,.96);backdrop-filter:blur(16px)}.top-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:11px;font-size:21px;font-weight:700;letter-spacing:2px}.top nav{display:flex;gap:30px;font-size:14px;color:var(--muted)}.top nav a:hover{color:var(--brand)}
    .hero{display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:40px;padding:90px 0 76px}.eyebrow{display:flex;align-items:center;gap:8px;color:var(--brand);font-size:12px;letter-spacing:2px;font-weight:600}.eyebrow:before{content:"";width:18px;height:1px;background:currentColor}h1{font-size:clamp(38px,4.2vw,60px);font-weight:650;letter-spacing:-2px;margin:24px 0}h1 span{color:var(--brand)}.hero-copy{max-width:450px;color:var(--muted);font-size:17px;line-height:1.9}.hero-actions{display:flex;align-items:center;gap:25px;flex-wrap:wrap;margin-top:30px}.primary{display:inline-flex;align-items:center;justify-content:center;gap:16px;background:var(--brand);color:var(--on-brand);padding:13px 23px;border-radius:32px;font-size:14px;font-weight:600}.primary:hover{background:var(--brand-hover)}.text-link{color:var(--brand);font-size:14px;display:inline-flex;gap:10px;align-items:center}.hero-note{font-size:12px;color:var(--muted);margin-top:20px}.hero-note span{color:#406a55;margin-right:5px}
    .art{height:375px;position:relative;display:grid;place-items:center;isolation:isolate}.art:before{content:"";position:absolute;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,var(--soft) 0%,#eff1ed 52%,transparent 73%);z-index:-1}.orbit{position:absolute;width:370px;height:295px;border:1px solid #d0d9df;border-radius:50%;transform:rotate(-22deg);z-index:-1}.orbit:after{content:"";position:absolute;width:7px;height:7px;border-radius:50%;background:var(--gold);top:44px;left:45px}.sheet{position:absolute;width:244px;height:284px;border:1px solid #d5dbdd;border-radius:12px;background:#fff;box-shadow:0 14px 45px #22332b10;padding:26px}.sheet-back{transform:translate(-43px,-9px) rotate(-12deg);background:var(--paper)}.code-label{font:11px ui-monospace,monospace;color:var(--muted);margin-bottom:28px}.code-lines span{display:block;height:6px;margin-bottom:14px;border-radius:3px;background:#b5c8bb;width:90%}.code-lines span:nth-child(2){width:60%;background:#87a78c}.code-lines span:nth-child(3){width:78%;margin-left:12px}.code-lines span:nth-child(4){width:45%;margin-left:12px}.sheet-front{transform:translate(38px,21px) rotate(6deg);display:flex;flex-direction:column}.doc-kicker{color:var(--muted);font-size:10px;letter-spacing:2px}.doc-title{font-size:25px;font-weight:650;line-height:1.45;margin-top:20px}.doc-line{height:1px;background:var(--line);margin-top:19px}.doc-caption{font-size:11px;color:var(--muted);margin-top:12px}.doc-foot{display:flex;align-items:center;gap:12px;margin-top:auto;font-size:10px;color:var(--muted)}.doc-icon{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--soft);color:var(--brand);font-size:17px}.art-tag{position:absolute;right:9px;bottom:34px;background:white;border:1px solid var(--line);box-shadow:0 6px 18px #22332b08;border-radius:26px;padding:10px 16px;font-size:12px;transform:rotate(-3deg)}.art-caption{position:absolute;bottom:0;color:var(--muted);font-size:10px;letter-spacing:1px}
    .principles{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;gap:35px}.principle{display:flex;align-items:center;gap:13px}.principle svg{width:23px;height:23px;flex-shrink:0;stroke:var(--brand);stroke-width:1.4;fill:none}.principle strong{font-size:13px;font-weight:600;display:block}.principle small{font-size:11px;color:var(--muted);display:block;margin-top:3px}
    .section{padding:86px 0}.section-heading{display:flex;justify-content:space-between;gap:24px;align-items:end;margin:17px 0 28px}h2{font-size:34px;font-weight:600;letter-spacing:-.7px}.sub{font-size:14px;color:var(--muted);margin-top:12px;max-width:650px}.section-count{font:12px ui-monospace,monospace;color:var(--muted);letter-spacing:1px}.asset-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.asset-choice{text-align:left;border:1px solid var(--line);border-radius:16px;background:transparent;padding:22px;display:flex;align-items:center;gap:16px;position:relative;transition:background .2s,border .2s}.asset-choice:hover{background:var(--soft)}.asset-choice[aria-pressed=true]{border-color:var(--brand);background:var(--soft)}.asset-choice[aria-pressed=true]:after{content:"✓";position:absolute;right:17px;top:17px;color:var(--brand);font-size:12px}.asset-icon{font:22px ui-monospace,monospace;width:44px;height:44px;display:grid;place-items:center;background:#ffffffb8;border-radius:11px;color:var(--brand)}.asset-choice strong{display:block;font-size:15px}.asset-choice small{font-size:12px;color:var(--muted)}.asset-detail{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:32px;margin-top:16px;display:grid;grid-template-columns:.85fr 1.3fr;gap:45px}.label{font-size:11px;color:var(--brand);letter-spacing:1px}.asset-detail h3{font-size:27px;margin:8px 0 12px}.asset-detail p{font-size:14px;color:var(--muted)}.asset-facts{display:grid;grid-template-columns:1fr 1fr;gap:24px}.asset-facts h4{font-size:12px;margin:0 0 7px;color:var(--ink)}.asset-facts p{font-size:13px}.asset-warning{grid-column:1/-1;border-top:1px solid #e9ece9;padding-top:15px;display:flex;gap:14px;align-items:start}.asset-warning span{color:var(--brand);font-size:13px;flex-shrink:0}.asset-source{font-size:12px;margin-top:14px;color:var(--brand);display:inline-block;text-decoration:underline;text-underline-offset:4px}
    .value-shell{background:#eef1ee;border-top:1px solid #e2e6e1;border-bottom:1px solid #e2e6e1}.value-shell .section{padding-top:74px;padding-bottom:72px}.persona-row{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:30px 0 23px}.personas{display:flex;padding:5px;gap:4px;background:#e0e6e2;border-radius:28px;width:max-content}.personas button{background:transparent;font-size:13px;padding:9px 18px;border-radius:24px;color:var(--muted)}.personas button[aria-pressed=true]{background:white;color:var(--ink);box-shadow:0 2px 4px #22332b08}.topic-note{font-size:11px;color:var(--muted)}.value-intro{font-size:14px;color:var(--muted);margin-bottom:23px;max-width:820px;min-height:24px}.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.value-card{display:flex;flex-direction:column;align-items:start;text-align:left;background:#fff;border:1px solid #e0e5df;border-radius:var(--radius);padding:26px;min-height:282px;transition:transform .2s,box-shadow .2s}.value-card:hover{transform:translateY(-3px);box-shadow:0 10px 22px #22332b08}.card-category{font-size:10px;color:var(--muted);letter-spacing:1px}.card-stat{font-size:31px;font-weight:600;line-height:1.2;margin:24px 0 13px;letter-spacing:-1px;color:var(--ink)}.card-stat .unit{font-size:14px;letter-spacing:0;font-weight:500;margin-left:5px}.value-card h3{font-size:16px;margin-bottom:11px}.value-card p{font-size:12px;color:var(--muted);line-height:1.85}.card-action{display:flex;justify-content:space-between;width:100%;padding-top:23px;margin-top:auto;color:var(--brand);font-size:12px}.truth{display:flex;align-items:start;gap:13px;margin-top:24px;padding:17px 20px;border:1px solid #cbd5ca;border-radius:12px;font-size:12px;color:#43574b}.truth span{font-size:16px;line-height:1.3;color:#577764;flex-shrink:0}.truth strong{color:#2d4d3a;font-weight:600}
    .more-values{margin-top:22px;border-top:1px solid #d8dfd7;padding-top:4px}.more-values summary{color:var(--brand);font-size:13px}.more-values .value-grid{margin-top:8px}.more-values .value-card{min-height:245px}.faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:85px}.faq-layout h2{margin:17px 0}.faq-layout .sub{max-width:280px}.faqs details{border-bottom:1px solid var(--line)}.faqs details:first-child{border-top:1px solid var(--line)}summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;font-size:15px;font-weight:500;padding:20px 0}summary::-webkit-details-marker{display:none}summary:after{content:"+";font-size:21px;line-height:1.15;color:var(--muted);font-weight:400}details[open] summary:after{content:"−"}.faqs details p{font-size:13px;color:var(--muted);padding-bottom:23px;line-height:1.95}.faqs a{text-decoration:underline;text-underline-offset:3px;color:var(--brand)}
    footer{border-top:1px solid var(--line);padding:25px 0 30px}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;font-size:11px;color:var(--muted)}.footer-left{display:flex;align-items:center;gap:20px}.footer-left .brand{font-size:16px;letter-spacing:1px}.footer-left .brand-mark{width:25px;height:25px;font-size:16px;border-radius:6px}.prototype-label{background:#ece9e2;padding:4px 9px;border-radius:6px;font-size:10px;white-space:nowrap}
    dialog{color:var(--ink);border:1px solid var(--line);border-radius:22px;padding:0;width:min(640px,calc(100% - 30px));max-height:85vh;box-shadow:0 24px 90px #0002;background:var(--paper)}dialog::backdrop{background:#23362c65;backdrop-filter:blur(4px)}.modal-head{display:flex;align-items:start;justify-content:space-between;gap:20px;padding:28px 30px 22px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--paper);z-index:1}.modal-head h2{font-size:23px;margin-top:6px}.close{display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--line);border-radius:50%;background:transparent;font-size:23px;line-height:1;flex-shrink:0}.modal-body{padding:26px 30px 30px}.modal-summary{font-size:15px;color:var(--muted);line-height:1.85}.modal-body h3{font-size:13px;margin:24px 0 9px}.modal-body ul{padding-left:19px;margin:0;font-size:13px;color:var(--muted)}.modal-body li{margin:8px 0}.modal-caveat{background:#f0eae2;border-radius:12px;padding:16px;margin-top:24px;font-size:12px;color:#705139}.sources a{display:block;font-size:12px;color:var(--brand);text-decoration:underline;text-underline-offset:4px;margin:12px 0}.source-note{font-size:11px;color:var(--muted);line-height:1.8}.workspace-message .primary{margin-top:24px}.workspace-message p+p{margin-top:17px}
    @media(max-width:900px){.wrap{width:calc(100% - 44px)}.hero{gap:15px;padding:66px 0}.hero h1{font-size:44px}.art{transform:scale(.88);transform-origin:center}.section{padding:64px 0}.section-heading h2{font-size:29px}.asset-detail{gap:25px}.value-card{padding:22px}.faq-layout{gap:45px}}
    @media(max-width:650px){.wrap{width:calc(100% - 36px)}.top-inner{height:65px;gap:10px}.top nav{gap:15px;font-size:12px}.top nav a:first-child{display:none}.brand{font-size:17px;gap:7px;letter-spacing:1px}.brand-mark{width:28px;height:28px;font-size:18px}.hero{display:flex;flex-direction:column;align-items:stretch;padding:44px 0 28px;gap:0}.eyebrow{font-size:10px}.hero h1{font-size:39px;letter-spacing:-1px;margin:21px 0}.hero-copy{font-size:14px;max-width:340px}.hero-actions{gap:20px;margin-top:24px}.primary{font-size:13px;padding:12px 20px}.text-link{font-size:12px}.hero-note{font-size:11px}.art{height:325px;transform:scale(.9);margin:6px -7px -8px}.art-tag{right:2px;bottom:26px}.principles{gap:12px;padding:18px 0}.principle{display:block}.principle svg{width:19px;height:19px;margin-bottom:8px}.principle strong{font-size:11px}.principle small{font-size:10px;line-height:1.5;max-width:100px}.section{padding:52px 0}.section-heading{margin-bottom:23px}.section-heading h2,h2{font-size:27px}.section-count{display:none}.sub{font-size:12px}.asset-grid{gap:7px}.asset-choice{display:block;padding:16px 11px;border-radius:13px}.asset-icon{width:32px;height:32px;font-size:17px;margin-bottom:9px}.asset-choice strong{font-size:12px}.asset-choice small{font-size:10px}.asset-choice[aria-pressed=true]:after{right:10px;top:10px}.asset-detail{grid-template-columns:1fr;padding:23px;gap:24px}.asset-detail h3{font-size:24px}.asset-detail p{font-size:12px}.asset-facts{gap:20px}.asset-warning{display:block}.asset-warning span{display:block;margin-bottom:7px}.value-shell .section{padding:50px 0}.persona-row{display:block;margin:24px 0 16px}.personas{width:100%;justify-content:space-between;padding:4px;gap:0}.personas button{padding:9px 11px;font-size:12px}.topic-note{display:block;margin-top:13px}.value-intro{font-size:12px;min-height:0}.value-grid{grid-template-columns:1fr;gap:13px}.value-card{min-height:0;padding:23px}.card-stat{margin:14px 0 10px;font-size:30px}.value-card h3{font-size:15px}.card-action{padding-top:18px}.truth{padding:16px;font-size:11px}.faq-layout{grid-template-columns:1fr;gap:26px}.faq-layout .sub{max-width:100%}summary{font-size:13px}.footer-inner{display:block}.footer-left{flex-wrap:wrap;gap:15px}.prototype-label{display:inline-block;margin-top:17px}.modal-head{padding:23px}.modal-body{padding:23px}.modal-head h2{font-size:21px}}
    @media(min-width:651px) and (max-width:900px){.orbit{width:270px;height:220px}.sheet-back{transform:translate(-28px,-9px) rotate(-12deg) scale(.82)}.sheet-front{transform:translate(27px,16px) rotate(6deg) scale(.82)}.art-tag{right:0}}
    @media(max-width:650px){.art{transform:none;overflow:clip;height:305px}.art:before{width:290px;height:290px}.orbit{width:270px;height:220px}.sheet-back{transform:translate(-28px,-9px) rotate(-12deg) scale(.82)}.sheet-front{transform:translate(27px,16px) rotate(6deg) scale(.82)}.art-tag{right:7px;bottom:23px;font-size:11px}.art-caption{bottom:2px}}
    .community-link{font-size:13px;color:var(--brand);white-space:nowrap}.contacts{border-top:1px solid var(--line);padding:62px 0 70px}.contact-intro{margin-bottom:28px}.contact-intro h2{margin:14px 0}.contact-intro p{font-size:14px;color:var(--muted);max-width:600px}.contact-layout{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:22px;align-items:start}.contact-feature{padding:31px;border:1px solid #ccdbcf;border-radius:20px;background:var(--soft);min-width:0}.channel-icon{display:grid;place-items:center;width:41px;height:41px;background:white;color:var(--brand);border:1px solid var(--line);border-radius:12px;font-size:19px;flex-shrink:0}.contact-feature-head{display:flex;align-items:flex-start;gap:18px}.contact-feature-copy{min-width:0}.contact-feature h3{font-size:25px;margin:0 0 10px}.contact-feature-copy p{font-size:14px;color:var(--muted)}.contact-scan{display:flex;gap:20px;align-items:center;margin-top:25px}.contact-qr{width:192px;flex-shrink:0;text-align:center}.qr-preview{display:block;width:100%;padding:0;background:white;border:1px solid var(--line);border-radius:12px;overflow:hidden;cursor:zoom-in}.qr-preview img{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:contain}.contact-qr>small{display:block;margin-top:8px;font-size:10px;color:var(--muted)}.scan-copy{min-width:0}.scan-copy strong{display:block;font-size:14px;font-weight:600}.scan-copy p{font-size:12px;line-height:1.8;color:var(--muted);margin:8px 0}.channel-meta{font-size:11px;color:var(--muted);line-height:1.7;overflow-wrap:anywhere}.contact-secondary{display:grid;gap:12px;align-self:stretch}.contact-secondary:not(:has(.channel-item[open])){grid-auto-rows:1fr}.channel-item{border:1px solid var(--line);border-radius:15px;background:white;min-width:0;overflow:hidden}.channel-row{display:flex;align-items:center;gap:16px;padding:22px;margin:0;list-style:none}.channel-item:not([open])>.channel-row{height:100%}.channel-row:hover{background:#f5f7f2}.channel-row:focus-visible{outline-offset:-3px;border-radius:14px}.channel-row .channel-icon{width:37px;height:37px;font-size:16px;background:var(--paper)}.channel-copy{flex:1;min-width:0}.channel-copy strong{display:block;font-size:14px;margin-bottom:4px}.channel-copy small{display:block;font-size:12px;color:var(--muted);line-height:1.7}.channel-item>.channel-row:after{content:'⌄';color:var(--brand);font-size:17px}.channel-item[open]>.channel-row:after{content:'⌃'}.channel-body{padding:0 22px 22px;border-top:1px solid var(--line)}.channel-body .contact-qr{margin:20px auto 14px;width:208px}.channel-body .channel-meta{margin:17px 0 8px}.channel-instruction{font-size:12px;color:var(--muted);line-height:1.8;margin:12px 0 17px}.channel-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:13px}.channel-actions button,.channel-actions a{display:inline-flex;align-items:center;gap:6px;padding:9px 12px;font-size:12px;border:1px solid #cbd7ce;border-radius:8px;background:white;color:var(--brand)}.channel-actions button:hover,.channel-actions a:hover{background:var(--soft)}.channel-actions .channel-primary{background:var(--brand);border-color:var(--brand);color:white}.channel-actions .channel-primary:hover{background:var(--brand-hover)}.copy-feedback{font-size:11px;color:var(--brand);margin-top:8px;line-height:1.7}.copy-feedback:empty{display:none}.copy-feedback input{display:block;width:100%;margin-top:7px;padding:9px;border:1px solid var(--line);border-radius:6px;background:white;color:var(--ink);font-size:12px}.channel-icon img{width:100%;height:100%;object-fit:contain;border-radius:11px}.channel-badge{display:inline-block;margin-top:7px;padding:2px 7px;border-radius:5px;background:#f4eee0;font-size:10px;color:#765923}.channel-topics{display:flex;flex-wrap:wrap;gap:7px;margin:14px 0}.channel-topics span{padding:4px 8px;border-radius:6px;background:var(--soft);color:var(--brand);font-size:11px}.qr-original{display:block;width:min(100%,430px);height:auto;margin:0 auto 20px}.contact-footnote{font-size:11px;color:var(--muted);margin-top:21px}.footer-utility{display:flex;gap:18px;align-items:center;white-space:nowrap}.operator-link{padding:0;border:0;background:transparent;color:var(--muted);font-size:11px}.operator-link:hover{text-decoration:underline}
    @media(max-width:900px){.contact-layout{gap:16px}.contact-feature{padding:25px}.contact-scan{align-items:start;gap:14px;flex-wrap:wrap}.channel-row{padding:20px;gap:13px}}
    @media(max-width:650px){.top nav a{display:none}.top nav a[href="#value"]{display:block}.top nav{margin-left:auto}.community-link{font-size:12px}.contacts{padding:44px 0 50px}.contact-intro p{font-size:12px}.contact-layout{grid-template-columns:1fr;gap:15px}.contact-feature{padding:25px}.contact-feature-head{gap:13px}.contact-feature h3{font-size:20px}.contact-feature-copy p{font-size:13px}.contact-scan{gap:16px;align-items:center}.contact-scan .contact-qr{width:168px}.scan-copy{flex:1;min-width:105px}.footer-utility{margin-top:19px;justify-content:space-between}.footer-utility .prototype-label{margin:0}}
    @media(max-width:420px){.contact-scan{flex-direction:column;align-items:flex-start}.contact-scan .contact-qr{align-self:center;width:192px}.scan-copy{width:100%}.channel-body .contact-qr{width:min(208px,100%)}}
    @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
    .application-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.application-card{padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:white}.application-card h3{font-size:18px}.application-card ul,.application-card ol{padding-left:20px;margin:18px 0;font-size:14px;color:var(--muted)}.application-card li+li{margin-top:12px}.application-card p{font-size:12px;color:var(--muted);line-height:1.9}.application-card p a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}.application-card>.text-link{margin-top:18px}#application+.faq-layout{border-top:1px solid var(--line)}
    @media(max-width:900px){.application-grid{grid-template-columns:1fr}.application-card{padding:23px}}
    .page-status{margin:20px auto;padding:16px;border:1px solid var(--line);border-radius:12px;color:var(--muted);font-size:14px}.page-status button{margin-left:14px;padding:8px 12px;border-radius:8px;background:var(--brand);color:white}
    .reference-body{padding:12px 0;color:var(--muted);font-size:13px}.reference-body>h3{color:var(--ink);font-size:16px;margin:25px 0 12px}.reference-body>p{margin:12px 0}.reference-body .asset-detail{margin:16px 0}.reference-policy{border-bottom:1px solid var(--line)}.reference-policy .modal-body{padding:0 0 24px}.reference-policy summary{scroll-margin-top:90px;color:var(--ink)}.reference-policy:not([open])>summary:after{content:"+"}.reference-policy h3{color:var(--ink)}