:root{--ink:#173e35;--deep:#123e34;--muted:#687b73;--line:#dce5df;--wash:#f1f5f0;--paper:#fff;--accent:#c7df6f;--serif:"Songti SC","STSong","Noto Serif CJK SC",serif;--sans:"PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.8 var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible{outline:3px solid #387a62;outline-offset:5px}p{margin:0 0 1.4em}h1,h2,h3{line-height:1.3;letter-spacing:-.035em;margin:0;font-weight:600}h1{font:600 clamp(38px,4.4vw,66px)/1.35 var(--serif)}h2{font:600 clamp(28px,3vw,42px)/1.4 var(--serif)}h3{font-size:22px}em{font-style:normal;position:relative;white-space:nowrap}em:after{content:"";position:absolute;left:0;bottom:0;width:100%;height:8px;background:var(--accent);z-index:-1}.skip{position:fixed;top:-100px;left:20px;background:#fff;padding:8px 18px;z-index:100}.skip:focus{top:10px}.preview-bar{font-size:11px;background:var(--wash);text-align:center;color:var(--muted);padding:4px 16px;border-bottom:1px solid var(--line)}.site-header{height:90px;display:flex;align-items:center;gap:30px;max-width:1328px;margin:auto;padding:0 48px}.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap}.brand-mark{display:grid;place-items:center;color:white;background:var(--deep);width:37px;height:37px;border-radius:11px 11px 11px 2px;font-size:29px;line-height:1}.brand b{font-size:23px;letter-spacing:.02em}.brand b span{font-weight:500;font-size:13px;margin-left:7px;letter-spacing:.08em}.site-header nav{margin:auto;display:flex;gap:34px;font-size:14px}.site-header nav a{padding:6px 0}.site-header a:hover,.footer-links a:hover{text-decoration:underline;text-underline-offset:6px}.site-header nav a[aria-current]{box-shadow:0 2px var(--ink)}.login-link{font-size:14px;border:1px solid var(--line);padding:8px 17px;border-radius:5px}.hero{max-width:1328px;margin:auto;display:grid;grid-template-columns:1.1fr 1fr;gap:70px;padding:80px 48px 100px;min-height:590px;align-items:center}.eyebrow{display:block;font-size:12px;color:var(--muted);margin-bottom:24px;letter-spacing:.09em}.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#59916a;margin-right:8px}.hero h1{position:relative;z-index:1}.lead{max-width:550px;font-size:17px;line-height:1.9;color:#637970;margin-top:25px}.hero-note{font-size:13px;color:var(--muted);margin:20px 0 29px}.actions{display:flex;align-items:center;gap:30px;flex-wrap:wrap}.button{display:inline-flex;gap:32px;align-items:center;background:var(--deep);color:white;font-size:14px;padding:14px 25px;border-radius:5px;transition:background .2s}.button:hover{background:#24654f}.text-link{font-size:13px;border-bottom:1px solid #a3b6a8;padding-bottom:4px}.answer-scene{background:var(--wash);padding:24px 28px 22px;border-radius:24px 24px 24px 5px;position:relative}.scene-top,.sheet-title,.scene-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:11px;color:var(--muted)}.micro{font-size:10px;padding:2px 7px;border:1px solid var(--line);border-radius:3px}.question{display:flex;gap:14px;align-items:flex-start;margin:33px 0 26px}.question p{font:600 21px/1.6 var(--serif);margin:0}.q-icon{font-size:11px;border:1px solid #b8c8bd;border-radius:50%;width:24px;height:24px;display:grid;place-items:center;margin-top:5px;flex-shrink:0}.answer-sheet{background:#fff;border:1px solid #e0e8e0;border-radius:12px;padding:23px 23px 8px;box-shadow:0 12px 25px #193e3505}.sheet-title{justify-content:flex-start;margin-bottom:15px}.mini-brand{font-size:12px;font-weight:600;border:1px solid #d6e0d5;padding:1px 6px}.check-row{display:flex;gap:15px;align-items:center;padding:17px 0;border-top:1px solid #e6ece7}.check-row .number{color:#a1b393;font-size:12px}.check-row strong{display:block;font-weight:500;font-size:14px}.check-row small{font-size:11px;color:#7d8d84;display:block;margin-top:4px}.check-symbol{margin-left:auto;font-size:18px;color:#6a8a6b}.source-note{border-top:1px solid var(--line);font-size:10px;padding:14px 0;color:var(--muted)}.source-note .dot{width:5px;height:5px}.scene-foot{justify-content:center;font-size:10px;margin-top:22px;gap:12px}.scene-foot i{width:16px;height:1px;background:#b4c7b8}.platform-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);text-align:center;padding:25px 24px 18px}.platform-band>span{font-size:11px;color:var(--muted)}.platform-band>div{font-size:15px;margin:12px 0;font-weight:500}.platform-band b{padding:0 17px;color:#a7b7ac;font-weight:400}.platform-band p{font-size:10px;color:var(--muted);margin:10px 0 0}.section{max-width:1232px;margin:auto;padding:92px 0}.split-heading{display:flex;gap:70px;justify-content:space-between;align-items:flex-end}.split-heading .section-intro{max-width:420px;color:var(--muted);font-size:14px;margin:0 0 7px}.value-rows{max-width:1232px;margin:auto;display:grid;grid-template-columns:repeat(3,1fr);padding-bottom:90px}.value-rows article{padding:0 35px;border-left:1px solid var(--line)}.value-rows article:first-child{padding-left:0;border:0}.value-label{color:#6a856d;font-size:12px;margin-bottom:20px;display:block}.value-rows h3{font-size:21px;line-height:1.55;margin-bottom:18px}.value-rows p{font-size:13px;color:var(--muted);margin:0;max-width:290px}.process-section{border-top:1px solid var(--line)}.process{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:50px}.process article{border-top:2px solid #adc2a2;padding-top:22px}.process article>span{font-size:11px;color:var(--muted)}.process h3{font:600 26px/1.4 var(--serif);margin:15px 0}.process p{font-size:13px;color:var(--muted)}.process strong{font-size:11px;font-weight:500}.evidence-section{border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:110px}.evidence-section>div>p{font-size:14px;color:var(--muted);max-width:400px;margin-top:23px}.evidence-stack>div{border-top:1px solid var(--line);padding:21px 0}.evidence-stack span,.evidence-stack small{font-size:11px;color:var(--muted);display:block}.evidence-stack strong{display:block;font:600 21px/1.6 var(--serif);margin:7px 0}.sample-strip{background:var(--deep);color:white;max-width:1232px;margin:0 auto 90px;padding:48px 50px;display:flex;justify-content:space-between;gap:36px;align-items:center;border-radius:7px}.sample-strip .eyebrow{color:#b2c9b7;margin-bottom:10px}.sample-strip h2{font-size:30px}.sample-strip p{font-size:12px;color:#c3d4c9;margin:14px 0 0}.button.secondary{background:var(--accent);color:var(--deep);white-space:nowrap}.page-hero{max-width:1232px;padding:78px 0 75px;margin:auto;border-bottom:1px solid var(--line)}.page-hero h1{font-size:clamp(35px,4vw,55px)}.page-hero .lead{max-width:770px}.service-detail{max-width:1232px;margin:auto;display:grid;grid-template-columns:repeat(3,1fr);gap:40px;padding-top:65px}.service-detail article{border-top:2px solid #a4ba9c;padding-top:24px}.service-detail h2{font-size:27px;margin-bottom:23px}.service-detail p,.service-detail dd{font-size:14px;color:var(--muted)}dl{margin-top:30px}dt{font-size:12px;font-weight:600;margin:20px 0 6px}dd{margin:0}.narrow{max-width:800px}.narrow h2{font-size:31px;margin-bottom:24px;margin-top:35px}.narrow h2:first-child{margin-top:0}.narrow p{color:var(--muted)}.muted{color:var(--muted)}.measurement{max-width:1232px;margin:auto;padding-top:60px}.measurement article{display:grid;grid-template-columns:70px 220px 1fr;border-bottom:1px solid var(--line);padding:35px 0;gap:30px}.measurement article>span{font-size:13px;color:var(--muted)}.measurement h2{font-size:27px}.measurement p{max-width:580px;color:var(--muted);font-size:14px;margin:0}.large-list{padding:0 0 0 24px;color:var(--muted)}.large-list li{padding:0 0 15px 8px}.callout{border-left:3px solid #9cb38e;background:var(--wash);padding:30px;margin-top:30px}.callout p{margin:12px 0 0;font-size:14px}.sample-facts{max-width:1232px;margin:60px auto 0;padding:35px 0;display:grid;grid-template-columns:1fr 1fr;gap:80px;background:var(--wash);padding:40px}.sample-facts small{color:var(--muted);font-size:12px}.sample-facts h2{font-size:31px;margin-top:12px}.sample-facts>p{font-size:15px;align-self:center;color:var(--muted);margin:0}footer{border-top:1px solid var(--line);max-width:1328px;margin:auto;padding:50px 48px 45px;display:flex;justify-content:space-between;gap:40px}footer p{font-size:12px;color:var(--muted);margin:15px 0}.footer-links{display:grid;grid-template-columns:1fr 1fr;gap:15px 35px;font-size:12px}.footer-note{font-size:10px;color:var(--muted);text-align:right}
@media(min-width:1500px){.hero{padding-top:100px;padding-bottom:115px}.hero h1{font-size:69px}}
@media(max-width:1328px){.section,.value-rows,.page-hero,.service-detail,.measurement,.sample-strip,.sample-facts{margin-left:48px;margin-right:48px}.narrow{margin-left:auto;margin-right:auto;padding-left:32px;padding-right:32px}.hero{gap:45px}}
@media(max-width:850px){.site-header{padding:0 25px;height:76px;gap:20px}.site-header nav{gap:18px}.hero{padding:48px 25px 55px;gap:30px}.hero h1{font-size:42px}.lead{font-size:15px}.answer-scene{padding:20px}.question p{font-size:18px}.answer-sheet{padding:18px 17px 6px}.section,.value-rows,.page-hero,.service-detail,.measurement,.sample-strip,.sample-facts{margin-left:25px;margin-right:25px}.section{padding-top:65px;padding-bottom:65px}.split-heading{gap:35px}.split-heading .section-intro{max-width:330px}.value-rows article{padding:0 22px}.value-rows h3{font-size:18px}.evidence-section{gap:45px}.sample-strip{padding:35px}.service-detail{gap:25px}.service-detail h2{font-size:23px}.measurement article{grid-template-columns:35px 150px 1fr;gap:20px}.platform-band b{padding:0 8px}footer{padding:35px 25px;gap:20px}.sample-facts{gap:35px}}
@media(max-width:620px){.site-header{height:auto;min-height:77px;flex-wrap:wrap;padding-top:16px;padding-bottom:14px;gap:14px}.brand b{font-size:21px}.brand-mark{width:32px;height:32px;font-size:25px}.site-header nav{order:3;width:100%;justify-content:space-between;margin:0;font-size:12px;gap:8px;border-top:1px solid var(--line);padding-top:12px}.login-link{margin-left:auto;font-size:12px;padding:5px 12px}.hero{grid-template-columns:1fr;padding-top:39px;gap:40px}.hero h1{font-size:43px}.eyebrow{font-size:11px;margin-bottom:17px}.hero-note{margin:18px 0 23px}.actions{gap:20px}.button{padding:12px 18px;gap:18px;font-size:13px}.text-link{font-size:12px}.answer-scene{max-width:450px;width:100%;justify-self:center;padding:20px 22px}.question{margin:23px 0 22px}.question p{font-size:20px}.check-row small{font-size:10px}.platform-band{padding:23px 22px}.platform-band>div{font-size:12px;line-height:2.2}.platform-band b{padding:0 6px}.split-heading{display:block}.split-heading .section-intro{max-width:none;margin-top:24px}.value-rows{display:block;padding-bottom:30px}.value-rows article,.value-rows article:first-child{border:0;border-top:1px solid var(--line);padding:25px 0}.value-rows h3{font-size:22px}.value-rows h3 br{display:none}.value-rows p{max-width:none}.value-label{margin-bottom:14px}.process-section .text-link{display:inline-block;margin-top:20px}.process{display:block;margin-top:30px}.process article{padding:22px 0 28px}.process h3{font-size:25px}.evidence-section{display:block}.evidence-stack{margin-top:30px}.sample-strip{display:block;padding:30px 25px;margin-bottom:50px}.sample-strip h2{font-size:27px}.sample-strip .button{margin-top:25px}.page-hero{padding-top:45px;padding-bottom:40px}.page-hero h1{font-size:35px}.service-detail{display:block;padding-top:35px}.service-detail article{padding-top:25px;margin-bottom:40px}.service-detail h2{font-size:28px}.narrow{padding-left:0;padding-right:0}.measurement{padding-top:30px}.measurement article{grid-template-columns:35px 1fr;gap:15px;padding:25px 0}.measurement article p{grid-column:2}.measurement h2{font-size:27px}.sample-facts{display:block;padding:25px}.sample-facts>p{margin-top:25px}.callout{padding:22px}footer{flex-wrap:wrap;padding-top:35px}.footer-links{gap:12px 24px}.footer-note{width:100%;text-align:left;margin-top:8px}.section{padding-top:50px;padding-bottom:50px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
:root{--muted:#52665c}h1,h2,h3{text-wrap:balance}.hero-copy,.answer-scene,.process article,.value-rows article{min-width:0}.check-row small{color:#566b5e}.check-row .number{color:#5b7052}a{touch-action:manipulation;-webkit-tap-highlight-color:#d7e4be}.site-header nav a{min-height:36px;display:inline-flex;align-items:center}.footer-links a{min-height:28px}.preview-bar{padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right))}
/* Commercial report and consultation views share the original editorial palette. */
.nav-consult{font-weight:600}.report-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:25px;margin-bottom:30px}.demo-badge{font-size:12px;border:1px solid #b7c8b5;background:var(--wash);padding:7px 12px;white-space:nowrap}.report-preview{border:1px solid #c8d5c8;box-shadow:0 16px 48px #173e3508}.report-meta{display:flex;gap:25px;flex-wrap:wrap;background:var(--deep);color:#edf4e9;padding:18px 28px;font-size:12px}.report-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.report-grid article{padding:32px;border-right:1px solid var(--line)}.report-grid article:last-child{border:0}.report-number{font:italic 25px var(--serif);color:#647d55}.report-grid h3{font:600 27px/1.4 var(--serif);margin:12px 0 16px}.report-grid p,.report-grid dd{font-size:14px;color:var(--muted)}.report-boundary{border-top:1px solid var(--line);background:var(--wash);padding:20px 28px;font-size:13px;display:flex;gap:15px;flex-wrap:wrap}.report-boundary span{color:var(--muted)}.sample-detail{padding-top:0;padding-bottom:70px}.contact-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:100px}.contact-steps{list-style:none;padding:0;counter-reset:contact;margin:35px 0}.contact-steps li{counter-increment:contact;position:relative;border-top:1px solid var(--line);padding:22px 0 10px 43px}.contact-steps li:before{content:"0" counter(contact);position:absolute;left:0;color:#6c805c;font-size:13px}.contact-steps p{font-size:14px;color:var(--muted);margin:7px 0 10px}.contact-panel{background:var(--wash);padding:42px;border-radius:7px;align-self:start}.contact-panel h2{font-size:32px;margin-bottom:22px}.contact-panel>p{font-size:14px;color:var(--muted)}.contact-panel h3{font-size:20px;margin:28px 0 12px}.contact-panel hr{border:0;border-top:1px solid #cbd8cb;margin:30px 0}.contact-panel .contact-note{font-size:12px;margin:17px 0 0}.contact-note a{text-decoration:underline;text-underline-offset:4px}.availability{border:1px solid #c1cfbd;background:white;padding:18px 20px}.availability strong{font-size:15px}.availability p{font-size:13px;color:var(--muted);margin:8px 0 0}.faq-section{border-top:1px solid var(--line);padding-top:65px}.faq-list{margin-top:35px;max-width:850px}.faq-list details{border-top:1px solid var(--line)}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{cursor:pointer;min-height:60px;padding:18px 35px 18px 0;font-size:16px;list-style:none;position:relative}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";position:absolute;right:5px;font-size:22px;top:12px;color:var(--muted)}.faq-list details[open] summary:after{content:"−"}.faq-list details p{font-size:14px;color:var(--muted);max-width:700px;padding-bottom:10px}.faq-list details a{text-decoration:underline;text-underline-offset:4px}summary:focus-visible{outline:3px solid #387a62;outline-offset:5px}summary:hover{color:#24654f}p,dd{overflow-wrap:break-word}.site-header nav a,.footer-links a,.login-link{min-height:44px}.text-link{display:inline-flex;align-items:center;min-height:36px}h2[id],h3[id]{scroll-margin-top:30px}
@media(max-width:850px){.site-header{gap:16px}.site-header nav{gap:18px}.report-grid article{padding:24px}.contact-layout{gap:40px}.contact-panel{padding:30px}.report-heading{display:block}.demo-badge{display:inline-block;margin-top:20px}}
@media(max-width:620px){.site-header nav{gap:5px;font-size:12px;padding-top:5px}.site-header nav a{min-height:40px}.report-grid{display:block}.report-grid article{border:0;border-bottom:1px solid var(--line);padding:28px}.report-meta{display:grid;gap:6px;padding:18px 25px}.report-boundary{padding:20px 25px}.report-sample h2{font-size:30px}.sample-detail{padding-bottom:20px}.contact-layout{display:block}.contact-panel{padding:28px 25px;margin-top:40px}.contact-panel h2{font-size:29px}.contact-steps{margin:28px 0}.faq-section{padding-top:45px}.faq-list summary{font-size:15px}.demo-badge{white-space:normal}.page-hero h1{font-size:clamp(30px,8.5vw,35px)}.hero h1{font-size:clamp(35px,10.6vw,43px)}}
/* Evidence path: one conceptual image, explicitly presented as a method illustration. */
.visual-bridge{position:relative;max-width:1328px;margin:0 auto 72px;padding:0 48px;overflow:hidden}
.visual-bridge img{display:block;width:100%;height:clamp(300px,41vw,540px);object-fit:cover;border-radius:24px}
.visual-bridge figcaption{position:absolute;left:78px;bottom:30px;display:flex;flex-direction:column;gap:6px;max-width:min(560px,55%);padding:20px 24px;color:#fff;background:rgba(8,35,30,.83);border:1px solid rgba(255,255,255,.22);border-radius:14px;backdrop-filter:blur(12px)}
.visual-bridge figcaption strong{font-size:clamp(17px,2vw,24px);line-height:1.35}
.visual-bridge figcaption span{font-size:13px;color:#d5ebe3}
.visual-bridge figcaption small{font-size:11px;color:#b6d5ca}
@media(max-width:700px){.visual-bridge{padding:0 25px;margin-bottom:45px}.visual-bridge img{height:360px;object-position:58% center}.visual-bridge figcaption{left:38px;right:38px;bottom:12px;max-width:none;padding:14px 16px}.visual-bridge figcaption span{font-size:11px}}
/* Three authored diagrams carry the diagnostic, implementation and remeasurement story. */
.value-visual{display:block;width:100%;height:auto;aspect-ratio:660/420;object-fit:cover;border-radius:15px;margin:0 0 24px;background:#edf2e9}
.value-rows article{min-width:0}
.service-visual{display:block;width:min(100%,360px);height:auto;aspect-ratio:660/420;object-fit:cover;border-radius:14px;margin:0 0 28px;background:#edf2e9}
@media(max-width:700px){.value-visual{margin-bottom:18px}.service-visual{width:100%;max-width:340px}}
.sample-strip.with-preview{align-items:stretch;gap:54px;overflow:hidden;padding:46px 46px 0}
.sample-strip-copy{flex:0 0 34%;padding:32px 0 45px;align-self:center}
.sample-strip-copy .button{margin-top:20px}
.sample-preview-link{flex:1 1 58%;align-self:end;display:block;min-width:0;color:#d8e9dc;font-size:12px}
.sample-preview-link picture{display:block;border-radius:12px 12px 0 0;overflow:hidden;box-shadow:0 12px 30px #001f1680}
.sample-preview-link img{display:block;width:100%;height:auto;max-height:410px;object-fit:cover;object-position:top;background:#fff}
.sample-preview-link span{display:block;padding:10px 0}
@media(max-width:760px){.sample-strip.with-preview{display:block;padding:26px 24px 0}.sample-strip-copy{padding:2px 0 24px}.sample-preview-link img{max-height:440px}.sample-preview-link span{padding:9px 0 16px}}
