:root{--ink:#1d1d1f;--muted:#6e6e73;--secondary:#424245;--blue:#0071e3;--line:#0000001f;--bg:#f5f5f7;--card:#fff;--radius:16px;--font:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:96px}body{margin:0;color:var(--ink);background:var(--bg);font:14px/1.65 var(--font);-webkit-font-smoothing:antialiased}h1,h2,h3,p{margin:0}a{color:inherit;text-decoration:none}button,textarea{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #0071e380;outline-offset:4px}a,button,summary{-webkit-tap-highlight-color:transparent}
.wide{width:100%;max-width:1280px;margin:auto;padding-inline:16px}.preview-strip{font-size:11px;line-height:32px;background:#eef4fc;color:#4b6688}.preview-strip .wide{display:flex;justify-content:space-between;align-items:center;gap:16px}.preview-strip a{display:inline-flex;align-items:center;min-height:32px;color:#3f658f}
.site-header{position:sticky;top:0;z-index:20;background:#fffffff5;backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:10px;padding:0 16px;min-height:40px;border:1px solid #0071e34d;border-radius:24px;background:#fbfcff;box-shadow:0 10px 24px -18px #0004;white-space:nowrap;font-size:16px;font-weight:700;letter-spacing:-.02em}.brand img{width:24px;height:24px;object-fit:contain;border-radius:6px}
#nav{display:flex;align-items:center;justify-content:flex-end;gap:4px;flex:1}#nav a{display:inline-flex;align-items:center;justify-content:center;gap:6px;white-space:nowrap;min-height:32px;padding:6px 10px;border-radius:12px;font-size:12px;font-weight:500;color:var(--muted);transition:background .16s,color .16s}#nav a:hover{background:#efeff4;color:var(--ink)}#nav a.active{background:#0071e31a;color:var(--blue)}#nav svg{width:16px;height:16px;flex-shrink:0;opacity:.7}#nav .utility-first{margin-left:18px}.menu-toggle{display:none}
.content{width:calc(100% - 32px);max-width:1248px;margin:auto;padding-bottom:40px}.intro{text-align:center;padding:40px 0 36px}.eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:500;color:var(--blue);margin-bottom:12px}.eyebrow>span{width:5px;height:5px;border-radius:50%;background:var(--blue)}.intro h1{font-size:48px;line-height:1.16;letter-spacing:-.04em;font-weight:700;margin-bottom:16px}.intro>p:last-of-type{font-size:18px;line-height:1.65;color:var(--muted)}.mobile-br{display:none}.intro-cta{margin-top:24px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:22px;min-height:44px;padding:10px 20px;border:1px solid transparent;border-radius:8px;font-size:14px;line-height:1.5;font-weight:500;transition:background .16s,box-shadow .16s}.primary{background:var(--blue);color:#fff}.primary:hover{background:#0062c4}.secondary{background:#f2f2f7;color:var(--ink);border-color:var(--line)}.secondary:hover{background:#e9e9ef}
.section-heading{display:flex;align-items:center;gap:12px;font-size:24px;line-height:1.35;letter-spacing:-.025em;font-weight:700;margin:0 0 20px}.section-heading:before{content:"";width:4px;height:24px;border-radius:3px;background:var(--blue);flex-shrink:0}.before-purchase{margin-bottom:36px}.before-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.before-card{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);box-shadow:0 8px 22px -20px #0006}.card-icon{width:34px;height:34px;display:flex;align-items:center;justify-content:center;color:var(--blue);background:#0071e30d;border-radius:10px;margin-bottom:16px}.card-icon svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.before-card h3{font-size:18px;line-height:1.5;font-weight:650;letter-spacing:-.025em;margin-bottom:10px}.before-card p{font-size:14px;line-height:1.65;color:var(--muted)}
.communication{margin-bottom:32px}.communication .section-heading{margin-bottom:24px}.steps{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;padding:0;margin:0}.steps li{display:flex;gap:14px;align-items:flex-start}.step-number{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:30px;height:30px;border-radius:50%;background:#0071e31a;color:var(--blue);font-size:14px;font-weight:650}.steps h3{font-size:17px;line-height:1.5;font-weight:650;letter-spacing:-.02em;margin:2px 0 8px}.steps p{font-size:14px;line-height:1.65;color:var(--muted)}
.request-grid{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(280px,1fr);gap:24px;align-items:stretch;scroll-margin-top:96px}.request-card,.contact-card{border:1px solid var(--line);border-radius:24px;background:var(--card);box-shadow:0 12px 28px -24px #0005}.request-card{padding:28px}.card-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.card-heading h2{font-size:20px;line-height:1.4;font-weight:650;letter-spacing:-.025em}.optional{font-size:12px;color:var(--muted);white-space:nowrap}textarea{display:block;width:100%;min-height:226px;padding:16px;border:1px solid var(--line);border-radius:12px;background:#f5f5f7;color:var(--secondary);font:16px/1.9 var(--font);resize:vertical;transition:border-color .16s,box-shadow .16s}textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px #0071e31a}.copy-row{display:flex;align-items:center;gap:16px;margin-top:20px}.local-note{font-size:12px;color:var(--muted)}.copy-status{font-size:13px;color:#0066cc;line-height:1.65;margin-top:12px}.copy-status:empty{display:none}
.contact-card{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:28px}.contact-icon{display:flex;align-items:center;justify-content:center;width:52px;height:52px;overflow:hidden;border:1px solid #ffffffd1;border-radius:20px;background:#e5f3e9;margin-bottom:16px}.contact-icon img{display:block;width:65px;height:65px;max-width:none;object-fit:cover;flex-shrink:0}.contact-card h2{font-size:15px;line-height:1.5;font-weight:450;color:var(--muted)}.wechat{font-size:32px;line-height:1.3;font-weight:700;color:var(--ink);letter-spacing:-.025em;margin:8px 0 18px}.contact-tip{font-size:13px;line-height:1.7;color:var(--muted);margin-top:18px}.privacy-note,.demo-note{text-align:center;font-size:12px;line-height:1.75;color:var(--muted)}.privacy-note{margin-top:20px}.demo-note{margin-top:4px}
.enterprise-faq{border-top:1px solid var(--line);margin-top:36px;padding-top:32px}.faq-heading{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px 20px;margin-bottom:20px}.faq-heading .eyebrow{display:block;width:100%;margin:0 0 2px;font-size:12px}.faq-heading .section-heading{margin:0}.faq-heading>span{font-size:12px;color:var(--muted)}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 16px;align-items:start}.faq-grid details{padding:0 20px;border:1px solid var(--line);border-radius:12px;background:var(--card)}.faq-grid summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:58px;padding:16px 0;cursor:pointer;list-style:none;font-size:15px;line-height:1.6;font-weight:550;color:var(--ink)}.faq-grid summary::-webkit-details-marker{display:none}.faq-grid summary>span{flex-shrink:0;color:var(--muted);font-size:18px;font-weight:300;transition:transform .16s}.faq-grid details[open] summary>span{transform:rotate(45deg)}.faq-grid details p{font-size:14px;line-height:1.75;color:var(--muted);padding-bottom:16px}.faq-grid details p+p{margin-top:4px}
.site-footer{border-top:1px solid var(--line);background:#fff;color:var(--muted)}.site-footer>.wide{padding-block:48px 24px}.footer-grid{display:grid;grid-template-columns:1.5fr .85fr 1.15fr 1fr;gap:48px;margin-bottom:40px}.footer-brand-name{display:flex;align-items:center;gap:12px;color:var(--ink);font-size:20px;letter-spacing:-.02em}.footer-brand-name img{width:32px;height:32px;object-fit:contain;border-radius:7px}.footer-brand>p{max-width:330px;font-size:14px;line-height:1.65;margin-top:18px}.site-footer h3{font-size:16px;color:var(--ink);line-height:1.5;font-weight:650;margin-bottom:18px}.site-footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.site-footer li a{font-size:14px;line-height:1.6;display:inline-block}.site-footer a:hover{color:var(--ink)}.site-footer li a:visited{color:#5f5f65}.footer-contact{display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:14px;padding:12px;border:1px solid var(--line);border-radius:8px;background:#f5f5f7;min-height:44px}.footer-bottom{border-top:1px solid var(--line);padding-top:24px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:12px;line-height:1.7}.footer-bottom>div{display:flex;gap:20px}.mobile-site-nav{display:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:1100px){.header-inner{gap:16px}#nav a{padding-inline:7px}#nav .utility-first{margin-left:6px}#nav svg{display:none}.content{max-width:1040px}.before-card{padding:20px}.before-card h3{font-size:17px}.request-grid{gap:20px}.footer-grid{gap:28px}}
@media(max-width:767px){
 html{scroll-padding-top:88px}body{padding-bottom:57px}.preview-strip{font-size:10px;line-height:30px}.preview-strip a{min-height:30px}.header-inner{height:72px}.brand{font-size:16px;min-height:40px;padding-inline:14px;gap:9px}.menu-toggle{display:flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;padding:10px;border:0;border-radius:12px;background:transparent;color:var(--muted)}.menu-toggle svg{width:21px;height:21px;fill:currentColor}
 #nav{display:none;position:absolute;top:72px;left:0;right:0;padding:12px 16px;gap:4px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 8px 16px -12px #0004;justify-content:flex-start;flex-wrap:wrap}#nav.open{display:flex}#nav a{font-size:13px;padding:10px;min-height:44px}#nav svg{display:block}#nav .utility-first{margin-left:0}
 .content{padding-bottom:32px}.intro{padding:32px 0}.intro .eyebrow{font-size:11px;margin-bottom:12px}.intro h1{font-size:34px;line-height:1.2;margin-bottom:14px}.intro>p:last-of-type{font-size:15px;line-height:1.7}.mobile-br{display:block}.intro-cta{margin-top:20px}.section-heading{font-size:21px;gap:10px;margin-bottom:18px}.section-heading:before{height:22px;width:4px}
 .before-purchase{margin-bottom:30px}.before-grid{display:block;border:1px solid var(--line);border-radius:16px;background:#fff;padding:0 18px}.before-card{display:grid;grid-template-columns:84px minmax(0,1fr);gap:14px;padding:18px 0;border:0;border-bottom:1px solid var(--line);border-radius:0;box-shadow:none;background:transparent}.before-card:last-child{border-bottom:0}.card-icon{display:none}.before-card h3{font-size:15px;line-height:1.65;margin:0;font-weight:600}.before-card p{font-size:14px;line-height:1.65}
 .communication{margin-bottom:28px}.communication .section-heading{margin-bottom:20px}.steps{display:flex;flex-direction:column;gap:22px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:16px}.steps li{gap:12px}.step-number{width:28px;height:28px;font-size:13px}.steps h3{font-size:16px;margin-top:1px;margin-bottom:6px}.steps p{font-size:14px;line-height:1.65}
 .request-grid{grid-template-columns:1fr;gap:16px}.request-card{padding:22px 20px;border-radius:20px}.card-heading{margin-bottom:16px;display:block}.card-heading h2{font-size:18px;line-height:1.4}.optional{display:block;font-size:12px;margin-top:6px}textarea{font-size:16px;line-height:1.9;padding:14px;min-height:236px;border-radius:10px}.copy-row{margin-top:16px;gap:12px;flex-wrap:wrap}.copy-row>.button{width:100%;justify-content:space-between;min-height:46px}.local-note{font-size:12px}.copy-status{font-size:12px}
 .contact-card{display:grid;grid-template-columns:minmax(0,1fr) auto;column-gap:12px;text-align:left;justify-content:normal;align-items:center;padding:22px 20px;border-radius:20px}.contact-icon{display:none}.contact-card h2{grid-column:1;grid-row:1;font-size:13px}.wechat{grid-column:1;grid-row:2;font-size:28px;margin:5px 0 0}.contact-card .button{grid-column:2;grid-row:1/3;font-size:13px;padding-inline:14px}.contact-tip{grid-column:1/3;font-size:13px;line-height:1.7;margin-top:16px}.contact-tip br{display:none}.contact-card .copy-status{grid-column:1/3}
 .privacy-note,.demo-note{text-align:left;font-size:12px;line-height:1.75}.privacy-note{margin-top:18px}.demo-note{margin-top:6px}.enterprise-faq{margin-top:28px;padding-top:28px}.faq-heading{gap:8px}.faq-heading .eyebrow{font-size:11px}.faq-heading>span{width:100%;font-size:12px;margin-top:2px}.faq-grid{grid-template-columns:1fr;gap:10px}.faq-grid details{padding-inline:16px}.faq-grid summary{font-size:14px;line-height:1.65;min-height:58px;padding-block:16px}.faq-grid details p{font-size:14px;line-height:1.75}
 .site-footer>.wide{padding-top:32px;padding-bottom:24px}.footer-grid{grid-template-columns:1fr;gap:24px;margin-bottom:28px}.footer-brand-name{font-size:18px}.footer-brand>p{margin-top:14px;max-width:none}.site-footer h3{margin-bottom:10px;font-size:15px}.site-footer ul{flex-direction:row;flex-wrap:wrap;gap:8px 20px}.site-footer li a{font-size:13px;min-height:32px;padding-block:5px}.footer-contact{font-size:13px;max-width:250px}.footer-bottom{display:block;font-size:11px;padding-top:20px}.footer-bottom>div{gap:20px;margin-top:14px}.footer-bottom a{display:inline-flex;min-height:32px;align-items:center}
 .mobile-site-nav{position:fixed;bottom:0;left:0;right:0;z-index:25;display:flex;align-items:stretch;justify-content:space-around;background:#fffffff5;border-top:1px solid var(--line);backdrop-filter:blur(14px);padding-bottom:env(safe-area-inset-bottom)}.mobile-site-nav a{display:flex;flex:1;align-items:center;justify-content:center;flex-direction:column;gap:2px;min-height:56px;color:var(--muted);font-size:11px;line-height:1.4}.mobile-site-nav svg{width:20px;height:20px;flex-shrink:0}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Enterprise header: match current homepage; scoped to this header only. */
.home-matched-header{background:#fff;border-bottom:1px solid rgba(0,0,0,.12);backdrop-filter:none}
.home-matched-header .header-inner{gap:16px;max-width:none}
.home-matched-header .brand{display:flex;position:relative;gap:12px;max-width:320px;height:40px;padding:0 16px;font:400 16px/24px var(--font);letter-spacing:normal;background:oklab(.993243 -.000669297 -.00287908 / .914118);border:1px solid oklab(.39336 -.032314 -.131166 / .314824);box-shadow:0 10px 24px -18px #00000042}
.home-matched-header .brand img{display:block;width:32px;height:32px;border-radius:0;flex-shrink:0}
.home-matched-header .brand span{display:block;font-size:16px;line-height:16px;font-weight:700;letter-spacing:-.288px}
.home-matched-header #nav{display:contents}
.home-matched-header .header-nav-main,.home-matched-header .header-nav-utility{display:flex;align-items:center;gap:4px;min-width:0}
.home-matched-header .header-nav-utility{gap:16px;flex-shrink:0;padding-right:16px}
.home-matched-header #nav a{height:32px;min-height:32px;padding:0 12px;font-size:12px;line-height:16px;gap:6px}
.home-matched-header #nav svg{display:block;width:16px;height:16px}
.home-matched-header #nav .utility-first{margin-left:0}
@media(min-width:640px){.home-matched-header .header-inner{max-width:640px}}
@media(min-width:768px){.home-matched-header .header-inner{max-width:768px}}
@media(min-width:1024px){.home-matched-header .header-inner{max-width:1024px}}
@media(min-width:1280px){.home-matched-header .header-inner{max-width:1280px}}
@media(min-width:1536px){.home-matched-header .header-inner{max-width:1536px}}
@media(max-width:1023px){
 .home-matched-header .menu-toggle{display:flex;align-items:center;justify-content:center;width:36px;height:36px;min-width:36px;min-height:36px;padding:0;border:0;background:transparent;border-radius:12px;color:var(--muted)}
 .home-matched-header .menu-toggle svg{width:20px;height:20px;fill:currentColor}
 .home-matched-header #nav{display:none;position:absolute;top:72px;left:0;right:0;padding:12px 16px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 8px 16px -12px #0004;justify-content:flex-start;flex-wrap:wrap;gap:4px}
 .home-matched-header #nav.open{display:flex}
 .home-matched-header .header-nav-utility{padding-right:0}
 .home-matched-header .header-nav-main,.home-matched-header .header-nav-utility{flex-wrap:wrap;gap:4px}
 .home-matched-header #nav a{height:44px;min-height:44px}
}
@media(max-width:639px){.home-matched-header .brand{padding-inline:14px;max-width:56vw}}