@charset "UTF-8";
:root{--paper:#f7f7f2;--ink:#25382d;--muted:#7b8479;--line:#d6dbcf;--lime:#d8ed91;--olive:#344d36;--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Helvetica,Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;--font-mono:"SF Mono",SFMono-Regular,ui-monospace,Menlo,Consolas,"Liberation Mono",monospace;--font-serif:Georgia,"Times New Roman","Songti SC",SimSun,serif;--sans:var(--font-sans);--fs-micro:11px;--fs-small:13px;--fs-body:15px;--fs-lead:17px;--fs-sub:20px;--fs-h3:clamp(20px,1.8vw,24px);--fs-h2:clamp(26px,3.2vw,42px);--fs-h1:clamp(30px,4.2vw,58px);--fs-display:clamp(42px,5.2vw,68px)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-sans);-webkit-font-smoothing:antialiased}button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}button{color:inherit}button:disabled{cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid #92af50;outline-offset:5px}::selection{background:var(--lime)}button{border:0;background:none}h1,h2,h3,p{margin:0}svg{display:block}h2{font-weight:500;font-size:var(--fs-h2);line-height:1.45;letter-spacing:-.8px}section{scroll-margin-top:20px}.section-shell{width:calc(100% - 112px);max-width:1392px;margin:auto}.section-space{padding-top:96px;padding-bottom:96px}.header{height:100px;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:0 56px;border-bottom:1px solid var(--line);background:rgba(247,247,242,.94);position:sticky;top:0;z-index:20;backdrop-filter:blur(18px)}.brand{display:flex;gap:11px;align-items:center;font-weight:500;font-size:var(--fs-h3);letter-spacing:-.4px}.brand-mark{width:38px;height:38px}.brand-sub{font-size:var(--fs-micro);letter-spacing:3.4px;display:block;margin-top:3px}.header nav{display:flex;gap:32px;margin-left:auto;margin-right:20px;font-size:var(--fs-small)}.header nav a{padding:12px 0;position:relative}.header nav a:after{content:"";position:absolute;bottom:3px;left:0;width:0;height:1px;background:var(--ink);transition:width .2s}.header nav a:hover:after{width:100%}.header-cta{font-size:var(--fs-small);border:1px solid #aab5a4;padding:12px 16px;border-radius:3px}.header-cta span{margin-left:20px;font-size:var(--fs-lead)}.header-cta:hover{background:var(--lime);border-color:var(--lime)}.menu-toggle{display:none}.hero{display:grid;grid-template-columns:1.08fr 1fr;min-height:650px;padding-top:55px;padding-bottom:38px;align-items:center;gap:20px}.eyebrow{font-size:var(--fs-micro);letter-spacing:1.8px;display:flex;align-items:center;gap:10px;margin:16px 0 35px}.status-dot{height:6px;width:6px;background:#577147;border-radius:50%;box-shadow:0 0 0 4px #e4e9dc}.eyebrow-divider{height:12px;width:1px;background:#b3bbad;margin:0 4px}.hero h1{font-size:var(--fs-h1);font-weight:500;letter-spacing:-1.2px;line-height:1.45;white-space:nowrap}.underline-word{position:relative}.underline-word svg{position:absolute;bottom:-9px;left:0;width:100%;height:15px;stroke:#a6bd69;stroke-width:4;fill:none}.hero-desc{font-size:var(--fs-body);line-height:1.95;color:#6d786b;margin-top:32px;letter-spacing:.4px}.hero-actions{display:flex;align-items:center;gap:28px;margin-top:35px}.button{min-height:50px;display:inline-flex;align-items:center;justify-content:space-between;gap:36px;padding:15px 23px;border-radius:3px;font-size:var(--fs-small);line-height:1.5;transition:background .2s,transform .2s}.button-dark{background:var(--ink);color:#f3f5ec}.button-dark:hover{background:#446044;transform:translateY(-2px)}.button span{font-size:var(--fs-sub);line-height:1}.text-link{display:inline-flex;align-items:center;gap:20px;font-size:var(--fs-small);padding:10px 0}.text-link span{font-size:var(--fs-sub)}.text-link:hover{color:#627948}.hero-foot{border-top:1px solid var(--line);margin-top:51px;padding-top:22px;display:flex;align-items:center;gap:26px;width:91%}.micro-label{font-size:var(--fs-micro);letter-spacing:1.8px;font-weight:500}.hero-foot>span:last-child{font-family:var(--font-serif);font-size:var(--fs-sub);letter-spacing:-.3px}.tiny-plus{font-family:var(--font-sans);font-size:var(--fs-h3);color:#7c8b5c;vertical-align:super;margin-left:10px}.hero-art{align-self:stretch;position:relative;background:#eef0e7;border-radius:3px;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;min-width:0}.hero-art:after{content:"";pointer-events:none;position:absolute;inset:0;background-image:radial-gradient(#737e6130 .65px,transparent .65px);background-size:6px 6px;opacity:.22;mix-blend-mode:multiply}.hero-art #landscape{width:100%;height:auto;position:absolute;top:50%;transform:translateY(-50%);left:0}.art-top,.art-bottom{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;margin:26px 26px;font-family:var(--font-mono);font-size:var(--fs-micro);letter-spacing:1px}.art-top{color:#7b8773}.art-bottom{font-size:var(--fs-micro);letter-spacing:1px}.art-bottom i{width:5px;height:5px;background:#778a59;display:inline-block;border-radius:50%;margin-right:7px}.coordinates{font-size:var(--fs-micro);letter-spacing:2px}.focus-marker{animation:marker-breathe 4s ease-in-out infinite;transform-origin:367px 250px}@keyframes marker-breathe{50%{opacity:.6}}.principle-strip{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:23px 56px;background:#eff1e7;gap:25px}.principle-strip>span{font-size:var(--fs-small);letter-spacing:1px}.principle-strip i{font-weight:300;color:#92a079;font-size:var(--fs-sub);font-style:normal;margin:0 27px}.principle-strip p{font-size:var(--fs-small);color:#77826d;margin-left:auto}.principle-strip 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18px}.service-card p{font-size:var(--fs-small);line-height:1.95;color:#7b8474;max-width:330px}.service-deliver{border-top:1px solid #d3dac6;margin-top:27px;padding-top:17px;font-size:var(--fs-micro);color:#5f7152;letter-spacing:.5px}.scenario-section{background:#e9ede1;border-top:1px solid #dbe1cf;border-bottom:1px solid #dbe1cf}.scenario-tabs{display:flex;border-bottom:1px solid #cbd5be;margin-bottom:35px;gap:8px}.scenario-tabs button{font-size:var(--fs-small);padding:18px 24px;width:210px;display:flex;justify-content:space-between;align-items:center;border-bottom:2px solid transparent;color:#77856a;transition:background .2s}.scenario-tabs button:hover{background:#e2e8d6}.scenario-tabs button[aria-selected=true]{border-bottom-color:var(--ink);color:var(--ink);background:#dfe6d2}.scenario-panel{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;min-height:440px}.scenario-tag{font-size:var(--fs-micro);letter-spacing:.8px;color:#7b876f;border:1px solid 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#ccd6bd;border-radius:3px;position:relative;background:#f7f8f2}.flow-node>span{font:8px monospace;letter-spacing:1px;color:#8e9d7b}.flow-node strong{font-weight:400;font-size:var(--fs-small);margin-top:8px}.flow-node i{font:13px monospace;position:absolute;right:20px;top:28px;color:#8da270}.flow-node.ai-node{background:var(--ink);border-color:var(--ink);color:#eff6df}.ai-node>span,.ai-node i{color:#bfd69a}.flow-connector{height:45px;position:relative;display:flex;align-items:center;justify-content:center;color:#7d9161}.flow-connector span{font-size:var(--fs-h3);font-weight:300}.flow-connector small{position:absolute;left:calc(50% + 18px);font-size:var(--fs-micro);letter-spacing:.4px}.loop-note{font-size:var(--fs-micro);letter-spacing:1px;display:flex;justify-content:center;gap:20px;margin-top:22px;color:#899a73}.loop-note 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var(--font-sans);color:var(--lime)}.about-copy{padding-top:30px}.about-copy>.micro-label{color:#819478;font-size:var(--fs-micro)}.about-copy h3{font-size:var(--fs-h3);letter-spacing:.4px;font-weight:400;margin:17px 0 23px}.about-copy p{font-size:var(--fs-small);line-height:2.1;color:#a8b79e;margin:13px 0;max-width:430px}.about-tags{display:flex;gap:10px;margin-top:27px}.about-tags span{font-size:var(--fs-micro);border:1px solid #4e6048;border-radius:2px;padding:7px 12px;color:#b8c4ad}.start .section-kicker{margin-bottom:30px}.status-line{display:flex;gap:8px;align-items:center}.status-line i{width:5px;height:5px;border-radius:50%;background:#819557}.start-grid{display:flex;align-items:flex-end;justify-content:space-between;gap:40px}.start-grid 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span{margin-left:10px}.footer-bottom{grid-column:1/-1;display:flex;justify-content:space-between;font:8px monospace;color:#a0a88f;border-top:1px solid #e7eade;margin-top:20px;padding-top:20px;letter-spacing:.5px}.skip{position:fixed;top:-60px;left:20px;background:var(--ink);color:white;z-index:100;padding:12px}.skip:focus{top:10px}dialog{border:1px solid #d3dcc7;border-radius:6px;box-shadow:0 30px 100px #172d3340;background:var(--paper);color:var(--ink);padding:45px;width:600px;max-width:calc(100% - 32px);max-height:90dvh;overflow-y:auto}dialog::backdrop{background:#1c2b2299;backdrop-filter:blur(7px)}body.dialog-open{overflow:hidden}.dialog-close{position:absolute;right:18px;top:12px;font-weight:300;font-size:var(--fs-h2);color:#7b8b69;width:36px;height:36px}.dialog-close:hover{color:var(--ink)}dialog h2{font-size:var(--fs-h2);letter-spacing:-.8px;margin-top:16px}.dialog-intro{font-size:var(--fs-small);line-height:1.85;color:#819071;margin:16px 0 25px}form{display:grid;gap:17px}form label{font-size:var(--fs-small);display:grid;gap:8px}input,select,textarea{width:100%;background:#eef1e6;border:1px solid #d1dac5;border-radius:3px;padding:12px;color:var(--ink);font-size:var(--fs-small);line-height:1.7}input::placeholder,textarea::placeholder{color:#96a086}textarea{resize:vertical}form .button{margin-top:6px;justify-content:center}pre{white-space:pre-wrap;font:13px/1.9 var(--font-sans);padding:23px;background:#eef1e6;overflow-wrap:anywhere;border-radius:3px}.result-actions{display:flex;align-items:center;gap:25px;margin-top:25px}.privacy-note{font-size:var(--fs-micro);color:#8c987e;margin-top:20px}.notes-list{display:grid;grid-template-columns:85px 1fr;font-size:var(--fs-small);line-height:1.9}.notes-list dt,.notes-list dd{margin:0;padding:13px 0;border-top:1px solid var(--line)}.notes-list dt{color:#8a987b}.notes-list dd{padding-left:14px}.notes-list+.button{margin-top:25px}#toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%) translateY(100px);background:var(--ink);color:white;padding:14px 22px;border-radius:4px;z-index:100;font-size:var(--fs-small);transition:transform .3s}#toast.visible{transform:translateX(-50%) translateY(0)}
@media(min-width:1600px){.header{padding-left:max(56px,calc((100vw - 1392px)/2));padding-right:max(56px,calc((100vw - 1392px)/2))}.hero{min-height:720px}.principle-strip{padding-left:max(56px,calc((100vw - 1392px)/2));padding-right:max(56px,calc((100vw - 1392px)/2))}}
@media(max-width:1100px){.section-shell{width:calc(100% - 64px)}.header{height:84px;padding:0 32px;gap:20px}.header nav{gap:20px;margin-right:0}.hero{min-height:600px;gap:16px}.hero h1{letter-spacing:-.8px}.hero-actions{gap:18px;flex-wrap:wrap}.hero-foot{margin-top:30px}.hero-art{min-height:490px}.eyebrow{letter-spacing:1px;gap:8px}.button{gap:24px;padding:13px 18px}.text-link{gap:12px}.principle-strip{padding:20px 32px}.principle-strip i{margin:0 14px}.section-space{padding-top:75px;padding-bottom:75px}.service-card{padding:25px 22px}.scenario-panel{gap:40px}.scenario-diagram{padding:25px 22px}.about-grid{gap:60px}.method-track article{padding:0 20px}.art-top,.art-bottom{margin:23px 18px}}
@media(max-width:800px){.header nav{gap:16px}.header-cta{display:none}.hero{grid-template-columns:1fr 1fr;min-height:540px;padding-top:35px;padding-bottom:35px}.hero h1{letter-spacing:-1.5px}.hero-art{min-height:450px}.hero-actions{gap:8px;margin-top:23px}.hero-foot{gap:13px;padding-top:17px}.art-bottom{gap:9px}.coordinates{display:none}.section-kicker{margin-bottom:35px}.intro-grid{gap:35px}.pain-list>div{gap:13px}.service-grid{gap:12px}.service-card{padding:22px 18px}.service-card .micro-label{letter-spacing:.5px}.scenario-panel{gap:27px}.flow-node i{right:12px}.method-track article{padding:0 15px}.method-track p{min-height:86px}.about-grid{gap:40px;grid-template-columns:1fr 1fr}.about-tags{gap:7px}.about-tags span{padding:6px 8px}}
@media(max-width:640px){html{scroll-padding-top:80px}.section-shell{width:calc(100% - 40px)}.header{height:74px;padding:0 20px}.brand{gap:8px}.brand-mark{width:33px;height:33px}.brand-sub{letter-spacing:3px}.menu-toggle{display:flex;flex-direction:column;gap:6px;padding:10px;width:40px;height:40px;justify-content:center}.menu-toggle span{height:1px;width:22px;background:var(--ink);transition:transform .2s}.menu-toggle[aria-expanded=true] span:first-child{transform:translateY(3.5px) rotate(45deg)}.menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}.header nav{display:none;position:absolute;top:73px;left:0;right:0;background:var(--paper);padding:20px 25px;border-bottom:1px solid var(--line)}.header nav.open{display:flex;flex-direction:column;gap:4px}.header nav a{padding:14px 0}.hero{display:flex;flex-direction:column;gap:32px;align-items:stretch;padding-top:28px;padding-bottom:25px}.eyebrow{margin-top:8px;margin-bottom:25px;letter-spacing:1.2px}.hero h1{line-height:1.5;letter-spacing:-1.5px}.hero-desc{margin-top:25px;line-height:1.95}.desktop-break{display:none}.hero-actions{gap:20px;margin-top:24px;flex-wrap:nowrap}.hero-actions .button{padding:14px 17px;gap:18px}.hero-actions .text-link{gap:8px}.hero-foot{display:none}.hero-art{min-height:335px;width:100%}.hero-art #landscape{width:100%;max-height:430px}.art-top,.art-bottom{margin:18px 20px}.coordinates{display:inline}.principle-strip{padding:18px 20px;gap:12px}.principle-strip>span{letter-spacing:.5px}.principle-strip i{margin:0 13px}.principle-strip p{display:none}.principle-strip a{margin-left:auto}.section-space{padding-top:56px;padding-bottom:56px}.section-kicker{margin-bottom:30px;gap:10px;letter-spacing:.5px}.section-kicker>span:first-child{letter-spacing:.7px}.section-kicker>span:last-child{letter-spacing:.3px}h2{letter-spacing:-1.1px}.intro-grid{grid-template-columns:1fr;gap:28px}.pain-list{margin-top:21px}.pain-list>div{padding:15px 0}.section-heading{align-items:flex-start;flex-direction:column;gap:20px;margin-bottom:28px}.section-heading>p{line-height:1.8}.service-grid{grid-template-columns:1fr;gap:12px}.service-card{min-height:0;padding:24px;display:grid;grid-template-columns:1fr 55px}.service-top{grid-column:2;grid-row:1;margin:0;flex-direction:column;align-items:flex-end;gap:18px}.service-top svg{width:40px;height:40px}.service-card>div:nth-child(2){grid-column:1;grid-row:1}.service-card .micro-label{letter-spacing:1.2px}.service-card h3{margin:12px 0}.service-card p{padding-right:22px}.service-deliver{grid-column:1/-1;margin-top:20px;padding-top:15px}.scenario-tabs{gap:0;margin-bottom:28px}.scenario-tabs button{width:33.333%;padding:14px 10px}.scenario-panel{grid-template-columns:1fr;gap:28px;min-height:0}.scenario-copy h3{margin-top:20px}.scenario-copy>p{min-height:0;max-width:none}.scenario-outcome{margin-top:20px}.scenario-diagram{padding:25px;max-width:none}.diagram-flow{max-width:100%}.flow-node{padding:15px 18px}.flow-node i{right:20px;top:25px}.method-head{display:block;margin-bottom:35px}.method-head>p{margin-top:24px;line-height:1.9}.method-track{grid-template-columns:1fr 1fr;gap:32px 0}.method-track article{padding:0 0 0 18px}.method-track article:nth-child(odd){border:0;padding:0 18px 0 0}.step-index{padding-bottom:18px}.method-track h3{margin-bottom:12px}.method-track p{min-height:70px}.step-output{margin-top:13px}.method-note{line-height:1.8;margin-top:30px}.about-grid{grid-template-columns:1fr;gap:28px;padding-top:53px;padding-bottom:53px}.about-grid h2{letter-spacing:-.8px}.about-grid h2 sup{right:-30px}.about-copy{padding:0}.about-copy>.micro-label{display:none}.about-copy h3{margin-top:10px;margin-bottom:17px}.about-copy p{line-height:2}.about-tags span{padding:8px 13px}.about-tags{gap:10px}.start-grid{flex-direction:column;align-items:stretch;gap:25px}.start-grid h2{letter-spacing:-1.7px}.start-grid>div>p{margin-bottom:20px}.start .section-kicker{margin-bottom:22px}.footer{grid-template-columns:1fr 1fr;padding-top:28px;gap:20px}.footer-brand span{margin-left:4px}.footer>p{display:none}.footer>div:not(.footer-bottom){gap:15px}.footer>div>a{width:28px;height:28px}.footer-bottom{margin-top:4px;padding-top:18px}dialog{padding:35px 23px;width:calc(100% - 28px);max-width:calc(100% - 28px)}.notes-list{grid-template-columns:66px 1fr}.notes-list dd{padding-left:10px}.result-actions{gap:20px}pre{padding:18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

/* Content refinement: concrete deliverables, pilot plans and collaboration. */
.intro-grid h2{font-size:var(--fs-h2)}
.service-deliver{line-height:1.8;font-size:var(--fs-micro)}.service-card p{color:#66745e}
.service-foot{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:22px}.service-foot p{font-size:var(--fs-micro);color:#7b876d}
.scenario-pilot{margin-top:23px;padding-top:20px;border-top:1px solid #cbd5be}.scenario-pilot>.micro-label{color:#697b55;font-size:var(--fs-micro)}.scenario-pilot>p{font-size:var(--fs-small);line-height:1.9;color:#5f7151;margin-top:10px;max-width:440px}.scenario-copy>p{min-height:0}.scenario-copy h3{font-size:var(--fs-h2)}.scenario-outcome{margin-top:20px}.scenario-panel{align-items:stretch}.scenario-diagram{display:flex;flex-direction:column;justify-content:center}.diagram-heading{width:100%}.diagram-flow{width:100%}.flow-node strong{padding-right:24px}
.value-check{margin-top:50px;padding:29px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr 2fr;gap:28px}.value-check>.micro-label,.value-check .micro-label{color:#899877;font-size:var(--fs-micro)}.value-check h3{font-size:var(--fs-sub);font-weight:500;margin-top:12px}.value-check dl{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;margin:0}.value-check dt{font-size:var(--fs-small);margin-bottom:10px}.value-check dd{font-size:var(--fs-micro);line-height:1.9;color:#7b876d;margin:0}.method-note{margin-top:22px}
.collaboration{border-bottom:1px solid var(--line)}.collaboration-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:70px}.collaboration-grid h2{font-size:var(--fs-h2)}.collaboration-grid>div>p{font-size:var(--fs-small);line-height:1.95;color:#7b876d;margin-top:25px}.faq-list details{border-bottom:1px solid var(--line)}.faq-list details:first-child{border-top:1px solid var(--line)}.faq-list summary{font-size:var(--fs-small);line-height:1.8;list-style:none;display:flex;justify-content:space-between;gap:20px;padding:21px 0;cursor:pointer}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary span{font-size:var(--fs-sub);font-weight:300;line-height:1.1;transition:transform .2s}.faq-list details[open] summary span{transform:rotate(45deg)}.faq-list details p{font-size:var(--fs-small);line-height:2;color:#728267;padding:0 24px 24px 0}.faq-list summary:focus-visible{outline:3px solid #92af50;outline-offset:4px}
@media(max-width:1000px){.collaboration-grid{gap:40px}.value-check{grid-template-columns:1fr;gap:25px}}
@media(max-width:640px){.intro-grid h2{letter-spacing:-1.2px}.service-foot{align-items:flex-start;gap:8px;flex-direction:column}.service-foot p{line-height:1.8}.scenario-diagram{min-height:420px}.value-check{margin-top:33px;padding:25px 0;gap:23px}.value-check dl{grid-template-columns:1fr;gap:18px}.value-check dl>div{display:grid;grid-template-columns:94px 1fr;gap:12px}.value-check dt{margin:0;line-height:1.9}.collaboration-grid{grid-template-columns:1fr;gap:30px}.collaboration-grid>div>p{margin-top:20px}.faq-list summary{padding:19px 0;gap:18px}.faq-list details p{padding-right:12px}.start-grid h2{letter-spacing:-.8px}}
/* ===== typography unification ===== */
body{font-family:var(--font-sans)}
.principle-strip i{font-size:var(--fs-sub)}
.principle-strip a{font-size:var(--fs-sub)}
.about-grid h2 sup{font-size:var(--fs-h3)}
.brand-sub{font-size:var(--fs-micro);letter-spacing:2.6px}
.footer-brand span{font-size:var(--fs-micro);letter-spacing:1.2px}
.scenario-tabs button span{font-size:var(--fs-small)}
.button span,.text-link span,.header-cta span{font-size:var(--fs-lead)}
.method-track h3{font-size:var(--fs-sub)}
.service-card h3{font-size:var(--fs-h3)}
.about-copy h3{font-size:var(--fs-h3)}
.scenario-copy h3{font-size:clamp(23px,2.1vw,30px);line-height:1.4}
dialog h2{font-size:var(--fs-h3)}