:root{--ink:oklch(27% .035 231);--muted:oklch(45% .032 231);--brand:oklch(47% .095 222);--deep:oklch(29% .05 222);--wash:oklch(96.8% .008 222);--line:oklch(87% .017 222);--white:oklch(100% 0 0);--focus:oklch(58% .15 260);font-family:"Segoe UI","Microsoft YaHei UI","PingFang SC",sans-serif;color:var(--ink);font-synthesis:none}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{margin:0;background:var(--white);font-size:16px;line-height:1.75}
a{color:var(--brand);text-underline-offset:5px}
a:hover{text-decoration-thickness:2px}
button{font:inherit;cursor:pointer}
button,a{-webkit-tap-highlight-color:transparent}
a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--focus);outline-offset:5px}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,p,figure{margin:0}
p{max-width:72ch;text-wrap:pretty}
h1,h2,h3{line-height:1.25;text-wrap:balance}
h1{font-size:clamp(2.5rem,4.1vw,4.2rem);letter-spacing:-.035em;font-weight:650}
h2{font-size:clamp(1.7rem,2.4vw,2.2rem);letter-spacing:-.025em;font-weight:650}
h3{font-size:1.22rem;font-weight:650}
.wrap{width:min(1240px,calc(100% - 96px));margin-inline:auto}
.skip{position:fixed;top:10px;left:10px;padding:8px 18px;background:var(--white);z-index:4;transform:translateY(-150%)}
.skip:focus{transform:none}
.site-header{position:sticky;top:0;background:var(--white);border-bottom:1px solid var(--line);z-index:2}
.header-inner{display:flex;align-items:center;gap:28px;min-height:80px}
.brand{display:flex;gap:12px;align-items:center;color:var(--ink);text-decoration:none;flex-shrink:0}
.brand strong{font-size:19px;line-height:1.2;display:block;letter-spacing:-.02em}
.brand small{font-size:11px;line-height:1.2;color:var(--muted);display:block;margin-top:5px}
.nav{display:flex;align-items:center;justify-content:flex-end;gap:27px;flex:1}
.nav a{font-size:14px;color:var(--ink);text-decoration:none;white-space:nowrap}
.nav a:hover,.nav a[aria-current=page]{color:var(--brand)}
.language{border-left:1px solid var(--line);padding-left:23px;color:var(--muted);font-size:14px;text-decoration:none;white-space:nowrap}
.menu-toggle{display:none}
.button{display:inline-flex;justify-content:center;align-items:center;gap:20px;padding:12px 22px;border:1px solid var(--brand);border-radius:3px;background:var(--brand);color:var(--white);font-size:15px;text-decoration:none;font-weight:600;transition:background .18s ease,transform .18s ease}
.button:hover{background:var(--deep);border-color:var(--deep);transform:translateY(-2px)}
.button.secondary{background:transparent;color:var(--brand);border-color:var(--line)}
.button.secondary:hover{background:var(--wash);border-color:var(--brand)}
.text-link{font-weight:600;display:inline-flex;align-items:center;gap:12px}
.hero{position:relative;background:var(--wash);border-bottom:1px solid var(--line)}
.hero-layout{padding-block:78px 70px;text-align:center}
.hero-copy{max-width:940px;margin-inline:auto}
.hero-product{font-size:14px;color:var(--brand);font-weight:600;margin:0 auto 23px}
.hero h1{font-size:clamp(2.4rem,4.2vw,3.65rem);line-height:1.28;letter-spacing:-.025em;font-weight:600}
.hero h1 span{display:block;color:var(--brand);margin-top:8px}
.hero .lead{font-size:17px;line-height:1.9;color:var(--muted);max-width:740px;margin:27px auto 0}
.hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:29px}
.hero-note{font-size:13px;color:var(--muted);margin:22px auto 0}
.capability-strip{border-bottom:1px solid var(--line)}
.strip-inner{display:flex;justify-content:space-between;align-items:center;gap:18px;padding-block:22px;font-size:13px;color:var(--muted)}
.strip-inner span{display:flex;gap:10px;align-items:center}
.section{padding-block:76px}
.section-heading{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start;margin-bottom:42px}
.section-heading p{color:var(--muted);padding-top:4px}
.feature-list{display:grid;grid-template-columns:1fr 1fr 1fr;gap:44px}
.feature{padding-top:23px;border-top:1px solid var(--line)}
.feature h3{margin-bottom:15px}
.feature p{font-size:15px;color:var(--muted)}
.feature a{margin-top:19px;font-size:14px}
.model-figure{margin-top:49px;display:flex;align-items:center;gap:34px;background:var(--wash);padding:30px}
.model-figure>a{width:64%;flex-shrink:0}
.model-figure figcaption{font-size:14px;color:var(--muted)}
.model-figure figcaption strong{display:block;font-size:17px;margin-bottom:10px;color:var(--ink)}
.input-section{background:var(--wash)}
.input-tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:32px}
.input-tabs button{border:0;border-bottom:3px solid transparent;background:transparent;color:var(--muted);padding:14px 24px;font-size:16px}
.input-tabs button[aria-selected=true]{color:var(--brand);border-bottom-color:var(--brand);font-weight:600}
.input-tabs button:hover{background:var(--white)}
.input-panel{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:64px}
.input-panel[hidden]{display:none}
.input-copy h3{font-size:23px;margin-bottom:18px}
.input-copy p{color:var(--muted);font-size:15px}
.input-copy ul{margin:21px 0;padding-left:20px;font-size:14px}
.input-copy li{padding-block:4px}
.screen-link{display:block;background:var(--white);padding:10px;border:1px solid var(--line);border-radius:3px}
.screen-link img{width:100%;aspect-ratio:1.2;object-fit:contain}
.input-panel figcaption{font-size:12px;color:var(--muted);text-align:center;margin-top:10px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:36px;counter-reset:step}
.steps>div{counter-increment:step}
.steps>div:before{content:"0" counter(step);color:var(--brand);font-size:14px;display:block;border-bottom:1px solid var(--line);padding-bottom:17px;margin-bottom:22px}
.steps h3{margin-bottom:13px}
.steps p{font-size:14px;color:var(--muted)}
.workflow-link{margin-top:35px}













.resources{display:grid;grid-template-columns:1fr 1.35fr;gap:80px}
.resources-intro p{margin-top:20px;color:var(--muted);font-size:15px}
.resource-link{display:grid;grid-template-columns:1fr auto;gap:12px;padding:22px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}
.resource-link:first-child{padding-top:0}
.resource-link:hover h3{color:var(--brand)}
.resource-link p{font-size:14px;color:var(--muted);margin-top:8px}
.resource-link>span{font-size:22px;color:var(--brand)}
.contact{padding-block:53px;background:var(--wash);border-top:1px solid var(--line)}
.contact-inner{display:flex;justify-content:space-between;align-items:center;gap:40px}
.contact h2{font-size:26px}
.contact p{font-size:14px;color:var(--muted);margin-top:15px}
.contact-address{text-align:right}
.contact-address a{font-size:20px;overflow-wrap:anywhere}
.contact-address p{margin-top:8px}
.site-footer{padding-block:27px;color:var(--muted);font-size:12px}
.footer-inner{display:flex;justify-content:space-between;gap:20px}
.footer-inner a{color:var(--muted);margin-left:20px}
.doc-top{background:var(--wash);padding-block:48px 42px;border-bottom:1px solid var(--line)}
.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:21px}
.breadcrumbs a{text-decoration:none}
.doc-top h1{font-size:clamp(2rem,3vw,3.1rem)}
.doc-top p{color:var(--muted);margin-top:14px}
.doc-layout{display:grid;grid-template-columns:218px minmax(0,1fr);gap:58px;padding-block:44px 88px}
.doc-sidebar{align-self:start;position:sticky;top:115px;font-size:14px}
.doc-sidebar>strong{font-size:12px;color:var(--muted);display:block;margin-bottom:13px}
.doc-sidebar>a{display:block;padding:9px 13px;margin-left:-13px;text-decoration:none;color:var(--ink);border-radius:3px}
.doc-sidebar>a[aria-current=page]{background:var(--wash);color:var(--brand);font-weight:600}
.toc{border-top:1px solid var(--line);margin-top:24px;padding-top:18px}
.toc strong{font-size:12px;display:block;color:var(--muted);margin-bottom:7px}
.toc a{display:block;color:var(--muted);text-decoration:none;font-size:12px;line-height:1.5;padding-block:5px}
.toc a:hover{color:var(--brand)}
.prose{min-width:0;font-size:15px}
.prose>p{margin-bottom:20px;max-width:none}
.prose h2{font-size:25px;margin-top:46px;margin-bottom:21px;scroll-margin-top:110px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:20px;margin-top:32px;margin-bottom:18px;scroll-margin-top:110px}
.prose ul,.prose ol{padding-left:24px;margin-block:17px 25px}
.prose li{margin-bottom:7px}
.prose code{background:var(--wash);padding:2px 5px;border-radius:3px;font-size:.9em;overflow-wrap:anywhere}
.table-scroll{overflow-x:auto;margin-block:24px 28px}
.prose table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.65;min-width:560px}
.prose td,.prose th{text-align:left;vertical-align:top;padding:13px 15px;border-bottom:1px solid var(--line)}
.prose th{background:var(--wash);font-weight:600}
.prose th:first-child,.prose td:first-child{padding-left:12px}
.prose a:has(img){display:block;width:50%;margin-block:23px}
.prose a:has(.ni-result-chart){width:25%}
.prose a img{border:1px solid var(--line)}
.prose .profile-image{width:50%;margin-block:23px}
.prose .gallery-block{margin-block:25px}
.prose .freq-gallery{margin-block:25px}
.prose .source-note{margin-top:38px;padding-top:18px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.back-top{margin-top:30px;font-size:13px}
.lightbox{border:1px solid var(--line);padding:0;border-radius:4px;max-width:94vw;max-height:94vh;background:var(--white);color:var(--ink)}
.lightbox::backdrop{background:oklch(16% .03 222 / .8)}
.lightbox-bar{display:flex;align-items:center;gap:25px;justify-content:space-between;padding:12px 18px;font-size:13px;border-bottom:1px solid var(--line)}
.lightbox-bar p{max-width:60ch}
.lightbox-bar button{padding:4px 13px;border:1px solid var(--line);background:var(--white);color:var(--ink);border-radius:2px;white-space:nowrap}
.lightbox-bar a{white-space:nowrap}
.lightbox-image-wrap{overflow:auto;max-height:80vh;padding:12px}
.lightbox img{max-width:88vw;max-height:76vh;object-fit:contain;margin:auto}
.lightbox-error{padding:20px;color:var(--ink)}
[hidden]{display:none!important}

@media(max-width:1100px){.wrap{width:calc(100% - 56px)}
.nav{gap:16px}
.header-inner{gap:19px}
.section-heading,.input-panel{gap:38px}
.brand small{max-width:220px}
.resources{gap:50px}
.doc-layout{gap:30px;grid-template-columns:180px minmax(0,1fr)}}
@media(max-width:800px){.hero-layout{padding-block:60px 52px}
.hero .lead{font-size:16px;max-width:650px}
.hero h1{font-size:clamp(2.3rem,5.7vw,3rem)}
.wrap{width:calc(100% - 40px)}
.header-inner{min-height:72px;gap:15px;flex-wrap:wrap}
.brand strong{font-size:18px}
.brand small{font-size:10px;max-width:none}
.language{margin-left:auto;padding-left:15px}
.menu-toggle{display:block;border:1px solid var(--line);padding:5px 11px;background:var(--white);color:var(--ink);border-radius:3px;font-size:13px}
.nav{order:4;flex-basis:100%;justify-content:flex-start;padding:0 0 16px;gap:24px;flex-wrap:wrap}
.site-header.enhanced .nav{display:none}
.site-header.enhanced .nav.is-open{display:flex}
.strip-inner{flex-wrap:wrap;justify-content:flex-start;column-gap:28px;row-gap:8px;font-size:12px;padding-block:17px}
.section{padding-block:59px}
.section-heading{grid-template-columns:1fr;gap:20px;margin-bottom:31px}
.feature-list{gap:23px}
.feature h3{font-size:18px}
.feature p{font-size:14px}
.model-figure{display:block;padding:22px}
.model-figure>a{width:100%}
.model-figure figcaption{margin-top:20px}
.input-panel{gap:28px}
.input-tabs button{padding:12px 18px;font-size:14px}
.input-copy h3{font-size:22px}
.input-copy ul{font-size:13px}
.input-copy p{font-size:14px}
.screen-link{padding:5px}
.steps{grid-template-columns:1fr 1fr;gap:30px}


.resources{gap:35px;grid-template-columns:1fr}
.contact-inner{display:block}
.contact-address{text-align:left;margin-top:29px}
.footer-inner{flex-direction:column;gap:10px}
.footer-inner a{margin:0 20px 0 0}
.doc-layout{grid-template-columns:1fr;gap:28px;padding-top:25px}
.doc-sidebar{position:static;display:flex;flex-wrap:wrap;gap:7px;font-size:13px;border-bottom:1px solid var(--line);padding-bottom:21px}
.doc-sidebar>strong,.toc{display:none}
.doc-sidebar>a{margin:0;padding:7px 11px}
.doc-top{padding-block:33px}
.prose a:has(img){width:65%}
.prose a:has(.ni-result-chart){width:40%}
.prose .profile-image{width:65%}}
@media(max-width:520px){.hero-layout{padding-block:46px}
.hero h1{font-size:2.1rem}
.hero-product{font-size:12px;margin-bottom:20px}
.hero .lead{font-size:15px;margin-top:22px;text-align:left}
.hero-note{font-size:11px}
.hero-actions{gap:10px}
.strip-inner{justify-content:center;font-size:11px}
.brand small{display:none}
.header-inner{gap:10px}
.language{font-size:12px}
.brand{gap:8px}
.brand strong{font-size:16px}
.menu-toggle{font-size:12px;padding:4px 8px}
.button{font-size:14px;padding:11px 17px;gap:12px}
.feature-list{grid-template-columns:1fr}
.feature{padding-top:22px}
.feature h3{margin-bottom:10px}
.feature a{margin-top:12px}
.model-figure{margin-top:30px;padding:16px}
.input-tabs{gap:0;justify-content:space-between}
.input-tabs button{padding:12px 10px;font-size:13px}
.input-panel{grid-template-columns:1fr}
.input-panel figure{width:82%;margin-inline:auto}
.input-copy ul{margin-block:15px}
.input-copy h3{font-size:22px}
.steps{gap:25px}
.steps h3{font-size:18px}




.contact-address a{font-size:18px}
.prose a:has(img){width:82%}
.prose a:has(.ni-result-chart){width:60%}
.prose .profile-image{width:82%}
.prose{font-size:14px}
.prose h2{font-size:23px}
.prose table{font-size:13px}
.doc-sidebar>a{padding:6px 8px}
.lightbox-bar{gap:12px;flex-wrap:wrap}
.lightbox-bar p{flex-basis:100%;font-size:12px}
.section h2{font-size:28px}
html{scroll-padding-top:88px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
*,*:before,*:after{animation:none!important;transition:none!important}}
@media print{.site-header,.site-footer,.contact,.doc-sidebar,.back-top{display:none}
.doc-layout{display:block}
.wrap{width:100%}
.prose table{min-width:0}
.table-scroll{overflow:visible}
.hero{background:white;color:black}
.section{padding-block:25px}}