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@media(min-width:1400px){.hero-art{min-height:280px}}
@media(max-width:900px){.header-bar{gap:20px}.main-nav{gap:20px}.header-tools{gap:10px}.header-contact{display:none}.hero{gap:20px;padding-top:52px}.hero h1{font-size:40px}.product-panel{padding:28px;gap:28px;grid-template-columns:1fr 1.2fr}.workflow{padding-left:22px}.what-grid{gap:25px}.section{padding-top:62px;padding-bottom:58px}.audiences{gap:25px}.proof-section{gap:30px}.faq-section{grid-template-columns:190px 1fr;gap:30px}.product-hero-grid{gap:30px}.fact-grid{grid-template-columns:1fr 1fr;gap:32px}.product-sections>.section{padding-block:48px}.footer-last{font-size:12px}}
@media(max-width:680px){html{scroll-padding-top:82px}.header-bar{height:66px;gap:10px}.wordmark{font-size:15px;letter-spacing:.25em}.main-nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;margin:0;padding:12px 20px 20px;background:var(--bg);border-bottom:1px solid var(--line);font-size:14px}.main-nav.open{display:flex}.main-nav a{padding:13px 0}.menu{display:block;margin-left:auto}.header-tools{gap:7px}.languages button{min-width:31px}.icon-button{width:34px;height:34px}.hero{display:block;padding-top:42px}.hero-copy{max-width:100%;padding:0 0 32px}.hero h1{font-size:36px;max-width:90%;position:relative;z-index:2}.hero .lede{font-size:14px;max-width:48ch;margin-top:22px;position:relative;z-index:2}.hero-actions{margin-top:25px;gap:24px}.hero-signature{font-size:12px;margin-top:26px}.hero-art{position:absolute;right:12px;top:12px;width:170px;height:180px;min-height:0;opacity:.27;z-index:0}.hero-bottom{font-size:12px;padding-top:20px;flex-direction:column;align-items:flex-start;gap:13px}.hero-bottom>div{gap:22px;font-size:12px}.section{padding-top:50px;padding-bottom:48px}.section-heading{margin-bottom:26px}.section-heading h2{font-size:27px}.section-heading p{font-size:13px;margin-top:13px}.product-selector{margin-bottom:20px}.product-selector button{font-size:13px;min-height:68px;padding-bottom:14px}.tab-product{font-size:12px}.product-panel{display:block;padding:25px 23px}.product-copy h3{font-size:26px}.product-copy p{font-size:13px;max-width:100%;margin-top:12px}.product-copy>.text-link{margin-top:14px}.workflow{padding:24px 0 0;margin-top:25px;border-left:0;border-top:1px solid var(--line)}.flow-heading{font-size:12px;gap:15px}.flow-heading .product-icon{width:30px;height:34px}.flow-track{margin-top:28px}.flow-step{font-size:12px;padding-inline:0}.flow-feedback{font-size:13px;min-height:76px;margin-top:19px}.figure-caption{margin-top:15px;font-size:12px}.section-note{font-size:12px;line-height:1.85}.what-grid{grid-template-columns:1fr 1fr;gap:32px 24px;margin-top:30px}.what-grid .num{margin-bottom:12px}.what-grid p{font-size:13px;margin-top:10px}.audiences{grid-template-columns:1fr;gap:27px;margin-top:28px}.audiences>div{padding-top:19px}.audiences .label{margin-bottom:10px}.audiences h3{font-size:20px}.audiences p{margin-top:12px;font-size:13px}.proof-section{display:block}.proof-heading .section-heading{margin-bottom:26px}.proof-empty{padding:25px}.faq-section{display:block}.faq-section .section-heading{margin-bottom:25px}.faq-answer{padding-right:8px}.contact-section{padding-top:0;padding-bottom:50px}.contact-surface{padding:35px 24px 28px}.contact-surface h2{font-size:27px}.contact-surface>p{font-size:13px}.contact-surface .contact-caption{font-size:12px}.site-footer{padding-top:28px}.footer-first{align-items:flex-start;flex-direction:column;gap:15px}.footer-first p{font-size:12px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px 18px;margin-top:30px;margin-bottom:30px}.footer-grid h4{font-size:13px}.footer-last{flex-direction:column;gap:14px}.footer-last>div{gap:20px}.product-hero{padding-top:25px;padding-bottom:45px}.product-hero-grid{display:block}.product-hero h1{font-size:34px}.product-hero .lede{font-size:14px}.product-hero .workflow{padding:24px 0 0;border-left:0;border-top:1px solid var(--line);margin-top:30px}.product-hero .hero-actions .actions{gap:15px}.product-sections .section-head h2{font-size:26px}.product-sections .section-head p{font-size:13px}.fact-grid{gap:28px 23px}.fact>.num{font-size:12px}.fact h3{font-size:17px}.fact p{font-size:13px}.pipeline{grid-template-columns:1fr;gap:26px}.chain{grid-template-columns:1fr;gap:0}.chain>a,.chain>div{padding:19px 0}.chain h3{font-size:22px;margin:10px 0}.product-contact{padding-block:40px 50px}.product-contact h2{font-size:27px}.product-contact p{font-size:13px}.article{padding-top:38px;padding-bottom:50px}.article>h1{font-size:30px}.article>section h2{font-size:22px}.article>section{padding-top:28px;margin-top:28px}.source-archive .product-grid{grid-template-columns:1fr}.source-archive .what-grid{grid-template-columns:1fr 1fr}.source-archive .process{grid-template-columns:1fr 1fr}.source-archive .footer-grid{grid-template-columns:1fr 1fr}.source-archive .navtools{margin-top:16px}.source-archive .service{flex-wrap:wrap;gap:10px}.source-archive .footer-bottom{font-size:12px}.source-disclosure{padding:16px}.source-archive .hero-copy h1{font-size:26px;max-width:100%}}
@media(max-width:380px){.header-bar{gap:5px}.wordmark{font-size:14px;letter-spacing:.2em}.header-tools{gap:3px}.languages button{min-width:28px}.menu{padding-inline:6px}.hero h1{font-size:33px}.hero .lede{font-size:13px}.product-panel{padding:24px 19px}.flow-step{font-size:11.5px}.flow-feedback{font-size:12.5px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
.footer-grid h3{font:400 12px/1.8 var(--sans);color:var(--ink);margin-bottom:6px}
.product-sections .section-head>.label{margin:14px 0 0}

/* Existing starbean brand files retain their original artwork and proportions. */
.demo-link{gap:8px;align-items:center;min-height:44px}.demo-logo{display:inline-flex;width:36px;height:36px;flex:0 0 36px;align-items:center;justify-content:center}.demo-logo img{display:block;width:36px;height:36px;object-fit:contain;flex-shrink:0}.demo-logo .demo-logo-dark{display:none}html[data-theme=dark] .demo-logo .demo-logo-light{display:none}html[data-theme=dark] .demo-logo .demo-logo-dark{display:block}

/* ASCII coffee geometry stays behind content; the gutter field never crosses the reading column. */
.home{position:relative;isolation:isolate}.home #main,.home .site-footer{position:relative;z-index:1}
#ascii-backdrop{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:0;contain:strict}
.hero-art{overflow:hidden}.hero-art canvas{opacity:1}.hero-meta{display:flex;align-items:center;flex-wrap:wrap;gap:14px}
@media(max-width:680px){.hero-art{top:0;right:8px;width:172px;height:190px;opacity:.48}.hero-bottom{gap:9px}.hero-meta{gap:12px}}

/* Approved navigation extension: center disclosure navigation, persistent footer preferences. */
.header-bar{display:grid;grid-template-columns:1fr auto 1fr;gap:24px}.header-bar>.wordmark{justify-self:start}.main-nav{margin:0;gap:8px;justify-self:center}.nav-item{position:relative}.nav-trigger{display:inline-flex;align-items:center;gap:8px;padding:12px 15px;min-height:44px;background:none;border:0;font-size:13px;color:var(--secondary)}.nav-trigger>svg{width:12px;height:12px;transition:transform .2s var(--ease)}.nav-trigger[aria-expanded=true]>svg{transform:rotate(180deg)}.nav-trigger:hover,.nav-trigger[aria-expanded=true]{color:var(--ink)}.nav-panel{position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%);width:320px;padding:10px;background:var(--surface);border:1px solid var(--line);border-radius:16px;z-index:40}.nav-panel>a{display:flex;flex-direction:column;gap:4px;padding:14px 16px;border-radius:8px;text-decoration:none}.nav-panel>a:hover{background:var(--soft)}.nav-product-name{font-size:14px;font-weight:400;color:var(--ink)}.nav-purpose{font-size:12px;line-height:1.7;color:var(--muted)}.header-demo{justify-self:end;flex-wrap:nowrap;gap:7px;padding:5px 16px;font-size:12px;white-space:nowrap}.header-demo .demo-logo,.header-demo .demo-logo img{width:32px;height:32px;flex-basis:32px}.demo-label-mobile{display:none}.header-demo .demo-logo .demo-logo-light{display:none}.header-demo .demo-logo .demo-logo-dark{display:block}html[data-theme=dark] .header-demo .demo-logo .demo-logo-light{display:block}html[data-theme=dark] .header-demo .demo-logo .demo-logo-dark{display:none}
.footer-main{display:grid;grid-template-columns:1fr 2.1fr;gap:60px;padding-block:10px 40px}.footer-brand{display:flex;align-items:flex-start;flex-direction:column;gap:16px}.footer-brand>p{font-size:12px;color:var(--secondary)}.footer-brand>.footer-company{font-size:11px;color:var(--muted);max-width:25ch;line-height:1.9}.footer-grid{grid-template-columns:repeat(3,minmax(0,1fr));margin:0;gap:32px}.footer-grid>div{gap:8px;min-width:0}.footer-grid h3{margin-bottom:8px}.footer-grid a{padding-block:3px;overflow-wrap:anywhere}.social-note{font-size:11px;color:var(--muted);line-height:1.9;max-width:22ch;margin-top:8px}.footer-utility{display:flex;justify-content:space-between;align-items:center;gap:24px;border-top:1px solid var(--line);padding-top:20px}.footer-preferences{display:flex;align-items:center;flex-wrap:wrap;gap:28px}.footer-language{align-items:center;gap:3px}.preference-label{font-size:11px;color:var(--muted);margin-right:8px}.theme-field{display:flex;align-items:center;gap:4px}.theme-field select{font:400 12px/1.5 var(--sans);min-height:44px;max-width:170px;padding:6px 28px 6px 12px;border:1px solid var(--line-strong);border-radius:8px;background:var(--surface);color:var(--ink);cursor:pointer;accent-color:var(--ink)}.theme-field select:focus-visible{outline:2px solid var(--ink);outline-offset:4px}.footer-copyright{font-size:11px;color:var(--muted)}[id^=enterprise-]{scroll-margin-top:96px}
@media(max-width:900px){.header-bar{gap:14px}.nav-trigger{padding-inline:10px}.header-demo{padding-inline:12px}.footer-main{gap:30px;grid-template-columns:.8fr 2fr}.footer-grid{gap:22px}.footer-utility{align-items:flex-start;flex-direction:column;gap:20px}}
@media(max-width:680px){.header-bar{grid-template-columns:1fr auto auto;gap:9px}.menu{margin:0;justify-self:end;grid-column:2;grid-row:1}.header-demo{grid-column:3;grid-row:1;padding:5px 10px;gap:4px}.header-demo .demo-logo,.header-demo .demo-logo img{width:28px;height:28px;flex-basis:28px}.demo-label-desktop{display:none}.demo-label-mobile{display:inline}.main-nav{position:absolute;justify-self:stretch;width:100%;max-height:calc(100dvh - 66px);overflow:auto;padding:12px 20px 20px;gap:6px}.nav-item{width:100%}.nav-trigger{width:100%;justify-content:space-between;padding:12px 8px;font-size:14px}.nav-panel{position:static;width:100%;transform:none;margin:0 0 10px;padding:4px;background:var(--surface);border-radius:12px}.nav-panel>a{padding:12px 14px}.nav-product-name{font-size:14px}.nav-purpose{font-size:12px}.footer-main{display:flex;flex-direction:column;gap:34px;padding-bottom:30px}.footer-brand{gap:13px}.footer-brand>.footer-company{max-width:100%}.footer-grid{grid-template-columns:1fr 1fr;gap:28px 20px}.footer-grid>div:last-child{grid-column:1/-1}.social-note{max-width:100%;margin-top:3px}.footer-utility{padding-top:18px;gap:18px}.footer-preferences{gap:10px 24px}.footer-copyright{font-size:10px}}
@media(max-width:380px){.header-bar{gap:5px}.header-demo{padding-inline:8px;font-size:11px}.header-demo .demo-logo,.header-demo .demo-logo img{width:26px;height:26px;flex-basis:26px}.menu{padding-inline:7px}.theme-field select{max-width:156px}}

/* Content reading hierarchy. Existing system fonts only; no font binaries are distributed. */
:root{--reading-heading-font:var(--sans);--reading-title:clamp(32px,3.5vw,40px);--reading-heading:clamp(26px,2.6vw,30px);--reading-subheading:22px;--reading-body:16px;--reading-leading:1.9}
html[lang=en]{--reading-leading:1.8}
.product-page main :is(h1,h2,h3),main .article>h1,main .article>section>:is(h2,h3){font-family:var(--reading-heading-font);font-weight:400;letter-spacing:0;font-synthesis:none;line-height:1.4}
.product-page .product-hero h1>span{font-family:inherit}
.product-page .product-hero h1,main .article>h1{font-size:var(--reading-title);line-height:1.3}
.product-page .section-head h2,.product-page .product-contact h2,main .article>section>h2{font-size:var(--reading-heading)}
.product-page :is(.fact,.pipeline) h3{font-size:var(--reading-subheading);line-height:1.5}
.product-page .chain h3{font-family:var(--display);font-size:22px;line-height:1.45}
.product-page :is(.lede,.section-head p,.fact p,.pipeline p,.product-contact p),main .article>p,main .article>section>p{font-family:var(--sans);font-size:var(--reading-body);font-weight:400;line-height:var(--reading-leading);letter-spacing:0;max-width:68ch}
.product-page .product-hero .lede{font-size:17px;line-height:var(--reading-leading);margin-top:24px;max-width:48ch}
.product-page .product-hero{padding-block:52px 80px}
.product-page .product-hero-grid{gap:64px}
.product-page .product-sections>.section{padding-block:76px}
.product-page .section-head{max-width:760px;margin-bottom:44px}
.product-page .section-head p{margin-top:20px}
.product-page .fact-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:44px 56px}
.product-page .fact p,.product-page .pipeline p{margin-top:16px}
.product-page .pipeline{gap:40px 56px}
.product-page .workflow .flow-feedback{font-size:15px;line-height:1.85;max-width:55ch;min-height:0}
.product-page .product-contact{padding-block:72px 88px}
.product-page .product-contact p{margin-top:22px}
main .article{padding-block:72px 88px}
main .article>h1{margin-bottom:28px;max-width:22ch}
main .article>section{padding-top:40px;margin-top:40px}
main .article>section>h2{margin-bottom:20px;max-width:30ch}
main .article>p+p,main .article>section>p+p{margin-top:20px}
@media(max-width:900px){.product-page .product-hero-grid{gap:36px}.product-page .fact-grid,.product-page .pipeline{column-gap:36px}}
@media(max-width:680px){:root{--reading-subheading:21px}.product-page .product-hero{padding-block:32px 52px}.product-page .product-hero .lede{font-size:16px;margin-top:20px}.product-page .product-sections>.section{padding-block:52px}.product-page .section-head{margin-bottom:32px}.product-page .fact-grid,.product-page .pipeline{grid-template-columns:minmax(0,1fr);gap:32px}.product-page .fact>.num{margin-bottom:10px}.product-page .fact p,.product-page .pipeline p{margin-top:12px}.product-page .product-contact{padding-block:52px 64px}.product-page .chain h3{font-size:20px}main .article{padding-block:44px 64px}main .article>h1{margin-bottom:24px}main .article>section{padding-top:32px;margin-top:32px}}

/* Concise company navigation: Products, Solutions, Deployment; one primary demo action. */
.site-header{border-bottom:0}.main-nav{align-items:center}.main-nav>.nav-deploy{display:inline-flex;align-items:center;min-height:44px;padding:12px 15px;font:400 13px/1.5 var(--sans);color:var(--secondary)}.nav-deploy:hover{color:var(--ink);text-decoration:none}.nav-trigger{font-weight:400}.header-demo{border:0}.nav-panel{border:0}
@media(max-width:900px){.main-nav>.nav-deploy{padding-inline:10px}}
@media(max-width:680px){.main-nav{align-items:stretch}.main-nav>.nav-deploy{padding:12px 8px;font-size:14px}}

/* User screenshot: compact Auto/moon/sun segment and adjacent current-language pill. */
.footer-utility{display:grid;grid-template-columns:1fr 2.1fr;gap:60px;align-items:center;border-top:0;padding-top:20px}.footer-preferences{gap:10px;flex-wrap:nowrap;justify-self:start}.appearance-control{display:inline-flex;align-items:center;gap:1px;padding:3px;border:1px solid var(--line-strong);border-radius:999px;flex-shrink:0}.appearance-control button{display:inline-flex;align-items:center;justify-content:center;width:28px;height:26px;border:0;padding:0;border-radius:999px;background:transparent;color:var(--muted);font:400 11px/1 var(--sans)}.appearance-control button:first-child{width:34px}.appearance-control button[aria-checked=true]{background:var(--soft);color:var(--ink)}.appearance-control button:hover{color:var(--ink);background:var(--soft)}.appearance-control svg{width:15px;height:15px}.appearance-control button:focus-visible,.language-trigger:focus-visible,.language-menu button:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.language-control{position:relative;flex-shrink:0}.language-trigger{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:34px;padding:0 12px;border:1px solid var(--line-strong);border-radius:999px;background:transparent;color:var(--ink);font:400 12px/1.4 var(--sans);white-space:nowrap}.language-trigger>svg{width:15px;height:15px}.language-trigger:hover,.language-trigger[aria-expanded=true]{background:var(--soft)}.language-menu{position:absolute;right:0;bottom:calc(100% + 8px);width:166px;padding:6px;border:1px solid var(--line);border-radius:12px;background:var(--surface);z-index:35}.language-menu button{display:flex;align-items:center;justify-content:space-between;width:100%;min-height:40px;padding:9px 10px;border:0;border-radius:7px;background:transparent;color:var(--secondary);font:400 13px/1.5 var(--sans);text-align:left}.language-menu button:hover,.language-menu button:focus-visible{background:var(--soft);color:var(--ink)}.language-check{width:15px;height:15px;visibility:hidden}.language-menu button[aria-checked=true]{color:var(--ink)}.language-menu button[aria-checked=true] .language-check{visibility:visible}
@media(max-width:900px){.footer-utility{grid-template-columns:.8fr 2fr;gap:30px}}
@media(max-width:680px){.footer-utility{display:flex;align-items:flex-start;gap:20px}.footer-preferences{order:1;gap:10px}.footer-copyright{order:2}.appearance-control button{width:34px;height:36px}.appearance-control button:first-child{width:40px}.language-trigger{height:44px;padding-inline:13px}.language-menu button{min-height:44px}}

/* Reuse product-page symbols; solution symbols are functional illustrations, not brand marks. */
.nav-panel>a{display:grid;grid-template-columns:32px minmax(0,1fr);gap:12px;align-items:center}.nav-entry-copy{display:flex;flex-direction:column;gap:4px;min-width:0}.nav-entry-icon{display:flex;align-items:center;justify-content:center;width:32px;height:32px;color:var(--secondary)}.nav-entry-icon .product-icon{width:24px;height:27px;stroke-width:1.8}.nav-entry-icon .solution-icon{width:24px;height:24px;stroke-width:1.2}

/* Latest user direction: clear system sans throughout; hierarchy comes from scale and space. */
.home .hero h1,.home .section-heading h2,.home .contact-surface h2{font-family:var(--sans);letter-spacing:0;line-height:1.5;font-synthesis:none}.home .hero h1{font-weight:300;line-height:1.35}.home .hero h1 em{font-weight:400;line-height:inherit}.home .section-heading h2,.home .contact-surface h2{font-size:30px;font-weight:400}
.product-page .product-hero h1,main .article>h1{font-family:var(--sans);font-size:var(--reading-title);font-weight:300;line-height:1.4}.product-page .section-head h2,.product-page .product-contact h2,main .article>section>h2{font-family:var(--sans);font-size:var(--reading-heading);font-weight:400;line-height:1.5}.product-page :is(.fact,.pipeline) h3{font-family:var(--sans);font-size:18px;line-height:1.55;font-weight:400;letter-spacing:0;text-wrap:pretty}.product-page :is(.fact,.pipeline) p{margin-top:14px}
.footer-brand>p{font-family:var(--sans);font-size:14px;line-height:1.8;font-weight:300;letter-spacing:0}.source-archive .quote{font-family:var(--sans);font-size:18px;line-height:1.8;font-weight:300;letter-spacing:0;max-width:55ch;text-wrap:pretty}
.what-grid .num,.fact>.num{font-family:ui-monospace,Menlo,Consolas,"PingFang SC",monospace;font-size:12px;line-height:1.7;letter-spacing:0;font-variant-numeric:tabular-nums}
html[lang=zh-CN] .home .hero h1{line-height:1.45}html[lang=en] .product-page :is(.fact,.pipeline) h3{line-height:1.5}
@media(max-width:680px){.home .hero h1{font-size:36px}.home .section-heading h2,.home .contact-surface h2{font-size:27px;line-height:1.5}.product-page :is(.fact,.pipeline) h3{font-size:18px;line-height:1.55}.source-archive .quote{font-size:18px;line-height:1.8}.footer-brand>p{font-size:14px}}

/* User reference: a separate, quiet social column with a vertical platform list. */
.footer-grid{grid-template-columns:repeat(4,minmax(0,1fr));column-gap:24px}.footer-grid .footer-social-heading{color:var(--muted)}.footer-socials{display:grid;gap:12px;min-width:0}.footer-grid .social-account{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:2px;min-height:44px;padding:0;margin:0;font-family:var(--sans);line-height:1.6;text-decoration:none}.social-platform{font-size:13px;font-weight:400;color:var(--ink);letter-spacing:0;white-space:nowrap}.social-handle{font-size:11px;font-weight:400;color:var(--muted);letter-spacing:0;white-space:nowrap;font-variant-numeric:tabular-nums}.footer-grid a.social-account:hover .social-platform{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}.footer-grid a.social-account:focus-visible{outline-offset:4px}
@media(max-width:900px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 22px}}
@media(max-width:680px){.footer-grid{column-gap:20px}.footer-grid>div:last-child{grid-column:auto}.footer-socials{gap:8px}}