:root{--ink:#111318;--paper:#f0f1ed;--silver:#d8dad5;--blue:#2447d8;--orange:#ff5a1f;--yellow:#d9ff39;--line:#747982;--display:"Arial Narrow","Microsoft YaHei UI",sans-serif;--body:"Microsoft YaHei","Segoe UI",sans-serif;--max:1220px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);line-height:1.7}img{max-width:100%}a{color:inherit;text-decoration:none}button,a,summary{outline-offset:4px}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--orange)}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:var(--display);line-height:1.05}h2{font-size:clamp(2rem,4vw,4.6rem);letter-spacing:-.055em}.site-header{height:78px;padding:0 max(24px,calc((100% - var(--max))/2));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--ink);position:sticky;top:0;z-index:30;background:rgba(240,241,237,.96)}.brand{display:flex;align-items:center;gap:10px;font-weight:900;line-height:1}.brand>b{width:38px;height:38px;display:grid;place-items:center;background:var(--blue);color:white;clip-path:polygon(0 0,100% 0,100% 72%,74% 100%,0 100%)}.brand span{display:grid;gap:5px}.brand small{font-size:9px;letter-spacing:.14em;font-weight:600}.site-nav{display:flex;align-items:center;gap:25px;font-size:14px;font-weight:700}.site-nav>a:not(.nav-download){padding:27px 0 21px;border-bottom:5px solid transparent}.site-nav a.active{border-color:var(--blue)}.nav-download{background:var(--orange);color:white;padding:11px 17px;clip-path:polygon(0 0,90% 0,100% 25%,100% 100%,10% 100%,0 75%)}.nav-toggle{display:none;background:none;border:0}.section{max-width:var(--max);margin:auto;padding:112px 34px;border-left:1px solid var(--line);border-right:1px solid var(--line)}.folio,.section-code,.section-head>span,.section-head+span{font-size:12px;font-weight:900;letter-spacing:.15em;text-transform:uppercase}.section-head{display:grid;grid-template-columns:160px 1fr 320px;gap:30px;align-items:end;margin-bottom:58px}.section-head h2,.section-head p{margin-bottom:0}.section-head.compact{grid-template-columns:160px 1fr}.section-head.centered{display:block;text-align:center;max-width:780px;margin:0 auto 58px}.section-head.centered span{display:block;margin-bottom:16px}.section-head.centered p{margin-top:20px}.button,.download-button{white-space:nowrap;word-break:keep-all;writing-mode:horizontal-tb}.button{min-width:154px;min-height:48px;padding:11px 20px;display:inline-flex;flex-direction:row;align-items:center;justify-content:center;border:1px solid var(--ink);font-weight:900}.button.primary{background:var(--blue);border-color:var(--blue);color:white}.button.ghost{background:transparent}.button:hover{background:var(--orange);border-color:var(--orange);color:white}

.hero{max-width:var(--max);min-height:740px;margin:auto;padding:76px 34px 70px;display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center;position:relative;border-left:1px solid var(--line);border-right:1px solid var(--line);background:linear-gradient(90deg,transparent 49.8%,rgba(17,19,24,.12) 50%,transparent 50.2%)}.hero-copy{padding-bottom:100px}.hero h1{font-size:clamp(3.5rem,7vw,7.2rem);letter-spacing:-.075em;margin:20px 0 26px}.hero h1 em{font-style:normal;color:var(--blue)}.lead{font-size:18px;max-width:560px}.hero-actions{display:flex;gap:12px;margin:34px 0 18px}.microcopy{font-size:12px}.hero-media{align-self:center;height:auto;padding:0;margin-top:0;margin-bottom:0;overflow:visible;transform:none}.hero-media img{filter:saturate(.75) contrast(1.04)}.binding-rail{position:absolute;left:34px;right:34px;bottom:28px;background:var(--ink);color:white;display:grid;grid-template-columns:180px 1fr;align-items:stretch}.rail-title{padding:18px;background:var(--orange);font-weight:900}.binding-rail ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr)}.binding-rail li{display:flex;align-items:center;gap:12px;padding:11px 18px;border-right:1px solid #555;position:relative}.binding-rail li:after{content:"";position:absolute;right:-6px;width:11px;height:11px;background:var(--yellow);transform:rotate(45deg);z-index:2}.binding-rail li:last-child:after{display:none}.binding-rail b{font-size:11px;color:var(--yellow)}.binding-rail strong,.binding-rail small{display:block}.binding-rail small{color:#b8bac0;font-size:11px}

.features{background:var(--silver)}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink);border-left:1px solid var(--ink)}.feature-grid article{min-height:235px;padding:26px;position:relative;border-right:1px solid var(--ink);border-bottom:1px solid var(--ink)}.feature-grid article:nth-child(2),.feature-grid article:nth-child(6){background:var(--blue);color:white}.feature-grid article>b{display:grid;place-items:center;width:42px;height:42px;border:1px solid currentColor}.feature-grid h3{font-size:26px;margin:34px 0 12px}.feature-grid small{position:absolute;right:15px;top:15px;font:700 10px monospace}.visual-proof{display:grid;grid-template-columns:1.08fr .92fr;gap:0;padding:0}.proof-image{position:relative;background:var(--blue);display:grid;align-items:center}.proof-image img{display:block}.proof-image span{position:absolute;left:0;bottom:0;background:var(--yellow);padding:7px 14px;font-size:11px;font-weight:900}.proof-copy{padding:90px 55px;background:var(--ink);color:white}.proof-copy h2{font-size:clamp(2.5rem,4vw,4.4rem);margin:25px 0}.proof-copy ul{padding:0;list-style:none;margin-top:35px}.proof-copy li{padding:13px 0;border-top:1px solid #555}.proof-copy li b{color:var(--yellow);margin-right:18px}.platform-grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid}.platform-grid article{display:grid;grid-template-columns:60px 1fr auto;align-items:center;gap:20px;padding:28px 0;border-bottom:1px solid}.platform-grid article:nth-child(odd){padding-right:28px;border-right:1px solid}.platform-grid article:nth-child(even){padding-left:28px}.platform-grid i{width:52px;height:52px;display:grid;place-items:center;background:var(--ink);color:white;font-style:normal;font-size:23px}.platform-grid h3,.platform-grid p{margin-bottom:5px}.scenarios{background:var(--ink);color:white}.scenario-grid{display:grid;grid-template-columns:1fr .85fr .65fr;gap:12px;align-items:stretch}.scenario-grid article{border:1px solid #555;min-height:440px;position:relative;overflow:hidden}.scenario-grid article>div{padding:28px;position:relative;z-index:2}.scenario-grid h3{font-size:32px;margin:18px 0}.scenario-grid img{display:block;width:100%;height:210px;object-fit:cover;filter:grayscale(.4)}.scenario-grid article:nth-child(2){display:flex;flex-direction:column-reverse}.scenario-grid article:nth-child(3){background:var(--orange);border-color:var(--orange);padding:30px;display:flex;flex-direction:column;justify-content:space-between}.scenario-grid article:nth-child(3)>div{padding:0}.scenario-grid article:nth-child(3) a{font-weight:900}.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.quote-grid figure{margin:0;padding:30px;border-top:7px solid var(--blue);background:white}.quote-grid figure:nth-child(2){transform:translateY(30px);border-color:var(--orange)}.quote-grid blockquote{margin:0;min-height:120px;font-size:17px}.quote-grid figcaption{display:flex;align-items:center;gap:12px;border-top:1px solid;padding-top:18px}.avatar{width:43px;height:43px;display:grid;place-items:center;background:var(--blue);color:white;font-weight:900;clip-path:polygon(0 0,100% 0,100% 70%,70% 100%,0 100%)}.avatar.orange{background:var(--orange)}.avatar.yellow{background:var(--yellow);color:var(--ink)}.quote-grid small{display:block}.pricing{background:var(--silver)}.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);align-items:center}.pricing-grid article{min-height:450px;padding:35px;border:1px solid var(--ink);background:var(--paper)}.pricing-grid article+article{border-left:0}.pricing-grid article.featured{min-height:510px;background:var(--blue);color:white;position:relative;padding-top:60px}.pricing-grid .featured>span{position:absolute;top:0;left:0;background:var(--yellow);color:var(--ink);padding:8px 15px;font-size:11px;font-weight:900}.pricing-grid h3{font-size:45px;margin:20px 0}.pricing-grid ul{padding-left:18px;min-height:145px}.pricing-grid .featured .button{border-color:white}.faq{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}.faq h2{margin:25px 0}.faq details,.help-faq details{border-top:1px solid;padding:19px 0}.faq details:last-child,.help-faq details:last-child{border-bottom:1px solid}.faq summary,.help-faq summary{font-weight:900;cursor:pointer;display:flex;justify-content:space-between}.faq summary span,.help-faq summary span{color:var(--orange);font-size:22px}.faq details[open] summary span,.help-faq details[open] summary span{transform:rotate(45deg)}.site-footer{background:var(--ink);color:white;padding:70px max(34px,calc((100% - var(--max))/2));display:grid;grid-template-columns:1fr 1.4fr;gap:60px}.footer-brand p{max-width:400px;color:#b5b7bd;margin-top:22px}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.footer-links h3{color:var(--yellow)}.footer-links a{display:block;color:#c6c8cc;margin:8px 0}.footer-bottom{grid-column:1/-1;border-top:1px solid #45484f;padding-top:20px;display:flex;justify-content:space-between;font-size:12px;color:#93969d}

.download-hero{max-width:var(--max);margin:auto;min-height:480px;padding:80px 34px;display:grid;grid-template-columns:1fr .8fr;align-items:end;border-left:1px solid var(--line);border-right:1px solid var(--line);background:var(--blue);color:white}.download-title h1,.help-hero h1{font-size:clamp(3.5rem,7vw,7.5rem);letter-spacing:-.075em;margin:22px 0}.download-title p:last-child{max-width:650px}.device-map{border:1px solid white;padding:28px;display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:center}.device-map span{background:var(--paper);color:var(--ink);padding:20px;text-align:center;font-weight:900}.device-map b{color:var(--yellow);font-size:30px}.device-map i{grid-column:1/-1;font-style:normal;font-size:12px}.download-matrix,.install-track,.handoff,.download-notes,.help-index,.answer-ledger,.help-faq,.about-contact{max-width:var(--max);margin:auto;border-left:1px solid var(--line);border-right:1px solid var(--line);padding:100px 34px}.download-matrix>header,.handoff>header,.help-index>header,.help-faq>header{display:flex;align-items:end;justify-content:space-between;border-bottom:1px solid;padding-bottom:28px}.download-matrix h2,.handoff h2,.help-index h2,.help-faq h2{margin:0}.download-list article{display:grid;grid-template-columns:70px 70px 1fr auto;align-items:center;gap:22px;padding:26px 0;border-bottom:1px solid}.download-list>article>i{width:58px;height:58px;background:var(--ink);color:white;display:grid;place-items:center;font-style:normal;font-size:24px}.device-no{font:700 12px monospace;color:var(--blue)}.download-list h3,.download-list p{margin-bottom:4px}.download-list small{color:#656a72}.install-track{padding:0;display:grid;grid-template-columns:1.15fr .85fr;background:var(--ink);color:white}.install-image{display:grid;align-items:center;background:var(--blue)}.install-image img{display:block}.install-copy{padding:70px 50px}.install-copy ol{list-style:none;padding:0}.install-copy li{border-top:1px solid #555;padding:18px 0}.install-copy li b{color:var(--yellow)}.install-copy p{margin:5px 0}.handoff-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:45px}.handoff-grid>div{padding:30px;border:1px solid}.handoff-grid>div+div{border-left:0}.handoff-grid b{color:var(--blue)}.handoff-grid h3{font-size:28px;margin:25px 0}.download-notes{background:var(--silver);display:grid;grid-template-columns:.7fr 1.2fr auto;gap:50px;align-items:center}.download-notes ul{margin:0;padding-left:18px}

.help-hero{max-width:var(--max);margin:auto;min-height:570px;padding:70px 34px 0;display:grid;grid-template-columns:1.05fr .95fr;align-items:end;border-left:1px solid var(--line);border-right:1px solid var(--line);overflow:hidden}.help-hero>div{align-self:center}.help-hero img{display:block;max-height:440px;width:100%;object-fit:cover;object-position:left}.help-index{background:var(--ink);color:white}.help-index nav{display:grid;grid-template-columns:repeat(4,1fr);margin-top:45px}.help-index nav a{padding:25px;border:1px solid #555;display:flex;gap:15px}.help-index nav a+a{border-left:0}.help-index nav b{color:var(--yellow)}.help-index nav span,.help-index nav small{display:block}.help-index nav small{color:#9da0a7;margin-top:8px}.answer-ledger{padding-top:0;padding-bottom:0}.answer-ledger article{display:grid;grid-template-columns:220px 1fr;border-bottom:1px solid;padding:75px 0}.answer-label{display:flex;gap:15px;font-weight:900}.answer-label b{color:var(--blue)}.answer-body{max-width:750px}.answer-body h2{font-size:clamp(2rem,4vw,4rem)}.answer-body ol,.answer-body ul{padding-left:20px}.answer-body>a{font-weight:900;color:var(--blue)}.format-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid;margin-top:30px}.format-strip span{padding:20px;font-weight:900}.format-strip span+span{border-left:1px solid}.format-strip small{display:block;font-weight:400;margin-top:8px}.mini-rail{display:flex;align-items:center;margin-top:30px}.mini-rail span{background:var(--blue);color:white;padding:15px;font-weight:900}.mini-rail i{height:2px;flex:1;background:var(--orange);position:relative}.mini-rail i:after{content:"";position:absolute;right:0;top:-4px;width:10px;height:10px;background:var(--yellow);transform:rotate(45deg)}.help-faq{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px;background:var(--silver)}.help-faq>header{display:block;border:0}.about-contact{display:grid;grid-template-columns:1fr 1fr;padding:0}.about-contact article{padding:75px 45px;min-height:330px}.about-contact article+article{background:var(--orange);color:white}.about-contact h2{font-size:42px;margin:28px 0}

@media (max-width:900px){.site-header{height:68px}.nav-toggle{display:grid;gap:5px;position:relative;z-index:40}.nav-toggle i{width:26px;height:2px;background:var(--ink)}.nav-toggle span{font-size:9px}.site-nav{position:fixed;inset:68px 0 auto;background:var(--paper);padding:24px;display:none;flex-direction:column;align-items:stretch;border-bottom:1px solid}.site-nav.open{display:flex}.site-nav>a:not(.nav-download){padding:8px;border:0}.hero,.download-hero,.help-hero{grid-template-columns:1fr}.hero{padding-top:55px;padding-bottom:210px}.hero-copy{padding-bottom:0}.binding-rail{grid-template-columns:1fr;bottom:20px}.binding-rail ol{grid-template-columns:repeat(3,1fr)}.rail-title{padding:8px 14px}.section-head{grid-template-columns:1fr}.feature-grid{grid-template-columns:1fr 1fr}.visual-proof,.install-track,.faq,.help-faq{grid-template-columns:1fr}.platform-grid,.scenario-grid,.pricing-grid,.quote-grid{grid-template-columns:1fr}.platform-grid article:nth-child(n){padding:24px 0;border-right:0}.scenario-grid article:nth-child(2){display:block}.quote-grid figure:nth-child(2){transform:none}.pricing-grid article+article{border-left:1px solid;border-top:0}.pricing-grid article.featured{min-height:450px}.download-hero{align-items:center}.device-map{margin-top:35px}.download-list article{grid-template-columns:50px 1fr}.download-list article>i{grid-row:1/3}.download-list article>div{grid-column:2}.download-list .button{grid-column:2;justify-self:start}.download-notes{grid-template-columns:1fr}.help-hero img{max-height:330px}.help-index nav{grid-template-columns:1fr 1fr}.help-index nav a:nth-child(3){border-left:1px solid}.answer-ledger article{grid-template-columns:1fr;gap:30px}.site-footer{grid-template-columns:1fr}.footer-bottom{grid-column:1;flex-direction:column;gap:8px}}
@media (max-width:600px){.section,.download-matrix,.handoff,.download-notes,.help-index,.answer-ledger,.help-faq{padding:75px 20px}.hero,.download-hero,.help-hero{padding-left:20px;padding-right:20px}.hero{padding-bottom:330px}.hero h1,.download-title h1,.help-hero h1{font-size:3.4rem}.hero-actions{align-items:stretch;flex-direction:column}.binding-rail{left:20px;right:20px}.binding-rail ol{grid-template-columns:1fr}.binding-rail li{padding:8px 12px}.binding-rail li:after{display:none}.feature-grid{grid-template-columns:1fr}.section-head{margin-bottom:38px}.proof-copy{padding:60px 25px}.platform-grid{grid-template-columns:1fr}.platform-grid article{grid-template-columns:50px 1fr}.platform-grid .button{grid-column:1/-1}.platform-grid article:nth-child(n){padding:20px 0}.quote-grid{gap:10px}.download-list article{grid-template-columns:1fr}.download-list article>i,.download-list article>div,.download-list .button{grid-column:1;grid-row:auto}.device-no{display:none}.device-map{grid-template-columns:1fr}.device-map b{display:none}.format-strip,.help-index nav,.handoff-grid,.about-contact{grid-template-columns:1fr}.format-strip span+span{border-left:0;border-top:1px solid}.help-index nav a+a{border-left:1px solid;border-top:0}.handoff-grid>div+div{border-left:1px solid;border-top:0}.mini-rail{align-items:stretch;flex-direction:column}.mini-rail i{width:2px;height:25px;flex:none;margin-left:20px}.about-contact article{padding:55px 22px}.footer-links{grid-template-columns:1fr 1fr}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

/* Hero image compliance: final high-specificity override */
body main section.hero{align-items:center}
body main section.hero .hero-media{align-self:center;height:auto;min-height:0;max-height:none;padding:0;margin-top:0;margin-bottom:0;overflow:visible;clip-path:none;transform:none}
body main section.hero .hero-media>img{display:block;width:100%;height:auto;min-height:0;max-height:none;margin:0;padding:0;object-fit:contain;object-position:center;clip-path:none;transform:none}