@font-face{font-family:'DM Sans';src:url('/assets/fonts/dm-sans-latin.woff2') format('woff2');font-style:normal;font-weight:100 1000;font-display:swap}
:root{--canvas:#fff;--white:#fff;--ink:#191817;--muted:#65605d;--line:#e6dfdb;--warm:#fcf6f4;--sage:#e7ede5;--green:#48654b;--accent:#c6432a;--accent-hover:#ab3521;--accent-soft:#f5e7e1;--surface-muted:#f8f4f1;--shadow:0 18px 44px rgb(74 38 21 / 7%);--font:'DM Sans','Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;--font-zh-sans:'Noto Sans SC','DM Sans','PingFang SC','Microsoft YaHei',sans-serif;--font-zh-display:var(--font-zh-sans)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{margin:0;background:var(--canvas);color:var(--ink);font:16px/1.65 var(--font);-webkit-font-smoothing:antialiased}
button,a,input{-webkit-tap-highlight-color:transparent;touch-action:manipulation}
button{font:inherit;color:inherit;cursor:pointer}
a{color:inherit;text-decoration:none;text-underline-offset:5px}
button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}
::selection{background:var(--accent-soft);color:var(--ink)}
::-webkit-scrollbar{width:9px}::-webkit-scrollbar-track{background:var(--canvas)}::-webkit-scrollbar-thumb{background:#bdb4ae;border:2px solid var(--canvas);border-radius:8px}
h1,h2,h3,p{margin:0}
h1,h2,h3{text-wrap:balance}
h2{font-size:clamp(36px,4.5vw,64px);font-weight:550;line-height:1.07;letter-spacing:-.04em}
h3{font-weight:550;line-height:1.25;letter-spacing:-.025em}
p{text-wrap:pretty}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
svg{flex-shrink:0}.icon{width:22px;height:22px;vertical-align:middle}
.icon-sparkle .sparkle-main{fill:currentColor;fill-opacity:.1}
.icon-sparkle .sparkle-satellite{fill:currentColor;stroke-width:1.3;transform-box:fill-box;transform-origin:center}
@media(hover:hover) and (prefers-reduced-motion:no-preference){
 .service-image-label:hover .sparkle-satellite,.responsibility-ai h3:hover .sparkle-satellite{animation:sparkle-glint .5s cubic-bezier(.16,1,.3,1) 1}
}
@keyframes sparkle-glint{0%,100%{transform:scale(1);opacity:1}40%{transform:scale(.65);opacity:.55}75%{transform:scale(1.1);opacity:1}}
.section-shell{width:min(1320px,calc(100% - 88px));margin-inline:auto}
.skip-link{position:fixed;z-index:100;top:12px;left:15px;padding:12px 18px;background:var(--ink);color:#fff;transform:translateY(-180%)}
.skip-link:focus{transform:none}
.site-header{position:sticky;z-index:30;top:0;background:var(--canvas)}
.header-inner{width:min(1440px,calc(100% - 88px));min-height:94px;margin:auto;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:26px;position:relative}
.brand{display:inline-flex;flex-shrink:0}.header-inner>.brand{grid-column:2;grid-row:1;justify-self:center}.brand-logo{width:210px;height:auto}
.header-actions{grid-column:3;grid-row:1;display:flex;align-items:center;justify-content:flex-end;gap:18px}
.menu-toggle{display:flex;grid-column:1;grid-row:1;align-items:center;justify-content:center;gap:10px;justify-self:start;background:var(--ink);color:#fff;border:0;border-radius:999px;min-height:46px;padding:10px 21px;font-size:14px}
.menu-toggle .icon{width:17px;height:17px}
.menu-toggle:hover{background:var(--accent)}
.navigation{position:absolute;top:calc(100% - 4px);left:0;right:0;display:none;padding:34px 40px 38px;background:var(--ink);color:#fff;border-radius:20px;box-shadow:var(--shadow);grid-template-columns:1fr 1fr;gap:10px 40px}
.navigation.is-open{display:grid}
.navigation a{font-size:clamp(20px,3vw,36px);font-weight:500;letter-spacing:-.025em;padding:10px 0;border-bottom:1px solid #ffffff26}
.navigation a:hover{color:#f1b5a0}
.navigation .mobile-login{font-size:15px;display:flex;align-items:center;justify-content:space-between;grid-column:1/-1;margin-top:14px;border-bottom:0}
.login-link{display:none}
.language-switch{display:flex;gap:2px;align-items:center;flex-shrink:0}
.language-switch a{font-size:11px;padding:6px;line-height:1.8;color:var(--muted);border-radius:5px}
.language-switch a[aria-current]{color:var(--ink);background:var(--accent-soft);font-weight:700}
.language-switch a:hover{background:var(--surface-muted)}
.button{display:inline-flex;align-items:center;justify-content:center;gap:22px;min-height:54px;padding:15px 24px;font-size:14px;font-weight:500;line-height:1.4;border-radius:999px;transition:background .2s ease,color .2s ease;white-space:normal;text-align:center}
.button .icon{width:18px;height:18px;transition:transform .25s cubic-bezier(.16,1,.3,1)}
.button:hover .icon{transform:translate(3px,-3px)}
.button-dark{background:var(--accent);color:#fff}.button-dark:hover{background:var(--accent-hover)}
.button-light{background:var(--white);color:var(--ink)}.button-light:hover{background:var(--accent-soft);color:var(--accent-hover)}
.button-small{min-height:46px;font-size:12px;padding:12px 19px;gap:14px;background:var(--ink)}
.hero{display:grid;grid-template-columns:1.35fr .75fr;gap:32px 9%;padding-block:72px 44px;align-items:end}
.hero-copy{min-width:0}
.hero h1{font-size:clamp(52px,6.35vw,92px);font-weight:550;line-height:1.02;letter-spacing:-.04em}
.hero-line{display:block;overflow:clip;padding-bottom:.08em;margin-bottom:-.08em}
.hero-line-text{display:block}
.hero-emphasis{color:var(--accent)}
.hero-aside{padding-bottom:5px;max-width:440px}
.hero-description{font-size:16px;line-height:1.75;color:var(--muted)}
.hero-actions{display:flex;align-items:center;gap:22px;margin-top:26px;flex-wrap:wrap}
.hero-contact-line{margin:14px 0 0;font-size:13px;color:var(--muted)}
.hero-contact-line a{color:inherit;text-underline-offset:3px}
.hero-contact-line a:hover{text-decoration:underline}
.hero-related{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:16px}
.hero-related .text-link{font-size:13px}
.demo-link{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:550}
.demo-link .icon{width:16px;height:16px}.demo-link:hover span{text-decoration:underline}
.hero-notes{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:22px}
.hero-notes li{display:flex;align-items:center;gap:5px;font-size:10px;color:var(--muted)}
.hero-notes .icon{width:12px;height:12px}
.hero-signature{grid-column:1/-1;display:flex;align-items:center;gap:clamp(20px,4vw,65px);padding-block:20px 4px;line-height:.94;letter-spacing:-.04em;overflow:hidden}
.signature-ai{font-size:clamp(124px,18vw,270px);font-weight:600}
.signature-plus{color:var(--accent);font-size:clamp(75px,10vw,150px);font-weight:400}
.signature-team{font-size:clamp(60px,9vw,138px);font-weight:500;white-space:normal}
.demo-chapter{background:var(--warm);padding-block:104px 92px;overflow:clip}
.demo-heading{max-width:800px;margin:0 auto 56px;text-align:center}
.demo-heading h2{font-size:clamp(34px,4.4vw,62px)}
.scenario-switch{display:flex;gap:4px;padding:5px;border:1px solid var(--line);border-radius:999px;width:fit-content;max-width:100%;margin:0 auto 40px}
.scenario-switch button{border:0;border-radius:999px;background:transparent;padding:11px 24px;font-size:12px;line-height:1.4;min-height:42px;font-weight:550}
.scenario-switch button[aria-pressed=true]{background:var(--ink);color:#fff}
.scenario-switch button:hover:not([aria-pressed=true]){background:var(--accent-soft)}
.demo-heading .scenario-switch{margin-top:32px;margin-bottom:0}
.demo-stage{--scene-progress:1;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(110px,.36fr) minmax(0,.94fr);align-items:center;gap:22px;position:relative}
.demo-perspective{grid-column:1/-1;font-size:11px;color:var(--muted);line-height:1.5;margin-bottom:0}
.conversation{position:relative;background:#fff;border-radius:14px;box-shadow:var(--shadow);overflow:hidden;min-width:0;font-family:-apple-system,BlinkMacSystemFont,'Helvetica Neue','Segoe UI',sans-serif;transform:translateX(calc((1 - var(--scene-progress))*28px)) rotate(calc((1 - var(--scene-progress))*-2deg));transform-origin:center}
.wa-header{display:flex;align-items:center;gap:9px;padding:13px 14px;background:#f7f7f7;border-bottom:1px solid #e7e7e7;color:#111b21}
.wa-header .icon{width:20px;height:20px}.wa-back,.wa-action{display:flex;color:#008069;flex-shrink:0}.wa-back{margin-left:-3px}
.wa-avatar{width:34px;height:34px;border-radius:50%;background:#dfe5e7;color:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0}
.wa-avatar .icon{width:29px;height:29px;translate:0 4px;fill:#fff;stroke:#fff}
.wa-avatar.wa-contact-avatar{width:40px;height:40px;background:#dce9df;color:#34583e;font-size:13px;line-height:1;font-weight:600;letter-spacing:.02em}
.wa-contact-avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%}
.wa-contact-avatar[data-tone=rose]{background:#f0dedc;color:#7a4541}
.wa-contact-avatar[data-tone=sand]{background:#ece4d6;color:#665333}
.wa-identity{min-width:0;flex:1}.wa-identity strong{display:block;font-size:14px;font-weight:600;line-height:1.4}.wa-identity>span{display:block;font-size:11px;color:#596b75;margin-top:2px}.wa-action{margin-left:5px}
.messages{background-color:#efeae2;background-image:linear-gradient(#efeae2e8,#efeae2e8),url('/assets/redesign/whatsapp-chat-wallpaper.webp');background-size:auto,360px 640px;padding:14px 20px 20px;display:flex;flex-direction:column;gap:12px}
.wa-date{align-self:center;background:#fff;color:#54656f;border-radius:6px;padding:3px 10px;font-size:10px;line-height:1.5;box-shadow:0 1px 1px rgb(11 20 26 / 8%);margin-bottom:3px}
.message{position:relative;color:#111b21;font-size:14px;line-height:1.5;padding:8px 10px 6px;max-width:89%;box-shadow:0 1px 1px #0b141a26}
.message p{margin:0;text-wrap:pretty}
.message-customer{background:#fff;align-self:flex-start;border-radius:0 8px 8px 8px;min-width:100px}
.message-assistant{background:#d9fdd3;align-self:flex-end;border-radius:8px 0 8px 8px}
.message::before{content:'';position:absolute;top:0;width:8px;height:12px;background:inherit;clip-path:polygon(0 0,100% 0,100% 100%)}
.message-customer::before{left:-7px}.message-assistant::before{right:-7px;transform:scaleX(-1)}
.message-meta{display:flex;align-items:center;justify-content:flex-end;font-size:10px;color:#566770;gap:4px;margin-top:3px;line-height:1.3;font-variant-numeric:tabular-nums}
.wa-receipt{width:17px;height:12px;color:#53bdeb}
.wa-compose{display:flex;align-items:center;gap:10px;padding:10px 12px;background:#f7f7f7;color:#008069}
.wa-compose>.icon{width:20px;height:20px}
.wa-input{display:flex;align-items:center;flex:1;min-width:0;min-height:32px;border:1px solid #e0e3e5;border-radius:18px;background:#fff;color:#667781;font-size:12px;padding:5px 12px}
.ai-bridge{display:flex;align-items:center;justify-content:center;position:relative;min-width:0;gap:0}
.bridge-core{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:5px;color:var(--accent);flex-shrink:0;transform:scale(calc(.86 + var(--scene-progress)*.14))}
.bridge-core .bridge-mark{font-size:64px;font-weight:500;line-height:1;letter-spacing:-.04em}
.bridge-label{font-size:11px;color:var(--muted);text-align:center}
.bridge-line-in,.bridge-line-out{position:absolute;width:32px;height:24px;color:var(--accent);opacity:.6;stroke-dasharray:4 4;stroke-dashoffset:calc((1 - var(--scene-progress))*40)}
.bridge-line-in{right:calc(100% - 12px)}.bridge-line-out{left:calc(100% - 12px)}
.bridge-line{stroke:currentColor;stroke-width:5;stroke-dasharray:none;stroke-dashoffset:0}.bridge-line path:first-child{stroke-dasharray:1;stroke-dashoffset:calc(1 - var(--scene-progress))}.bridge-line circle{fill:currentColor;stroke:none}
.handover{position:relative;min-width:0;padding:27px 25px 0;background:#fff;border-radius:20px;box-shadow:var(--shadow);transform:translateX(calc((1 - var(--scene-progress))*-28px)) rotate(calc((1 - var(--scene-progress))*2deg));transform-origin:center}
.handover-top{display:flex;gap:9px;align-items:center;font-size:11px;font-weight:550;color:var(--green)}
.handover-icon{background:var(--sage);padding:6px;border-radius:6px}.handover-top .icon{width:15px;height:15px}.handover-top>.icon{margin-left:auto}
.handover h3{font-size:27px;line-height:1.2;margin-top:20px}
.handover dl{margin:26px 0}.handover dl>div{display:flex;justify-content:space-between;gap:15px;font-size:12px;margin-top:16px}.handover dt{color:var(--muted)}.handover dd{margin:0;font-weight:550;text-align:right}
.next-action{border-top:1px solid var(--line);display:flex;align-items:flex-start;gap:8px;font-size:12px;line-height:1.65;margin:0 -25px;padding:18px 23px;background:#f2f5ef;border-radius:0 0 20px 20px}.next-action .icon{width:16px;height:16px;margin-top:2px}
.demo-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--muted);font-size:10px;line-height:1.5;margin-top:30px}
.replay-button{display:flex;gap:7px;align-items:center;background:none;border:0;color:var(--ink);font-size:11px;min-height:40px;padding:4px}.replay-button .icon{width:15px;height:15px}.replay-button:hover span{text-decoration:underline}
.is-replaying .step-message{animation:message-arrive .65s cubic-bezier(.16,1,.3,1) backwards}.is-replaying .message-assistant{animation-delay:.8s}.is-replaying .message-customer:last-child{animation-delay:1.6s}.is-replaying .handover{animation-delay:2.4s}
@keyframes message-arrive{from{opacity:.12;filter:blur(3px);translate:0 10px}to{opacity:1;filter:blur(0);translate:0 0}}
.proof{padding-block:96px 114px}
.proof>h2{max-width:660px;font-size:clamp(30px,3.4vw,46px);margin-bottom:64px}
.proof-list{display:grid;grid-template-columns:repeat(3,1fr);gap:48px}
.proof-list article{border-top:1px solid var(--line);padding-top:24px}
.proof-icon{display:block;color:var(--accent);margin-bottom:24px}.proof-icon .icon{width:25px;height:25px}
.proof-list h3{font-size:25px;margin-bottom:16px}
.proof-list p{font-size:15px;line-height:1.8;color:var(--muted)}
.service-section{padding-bottom:116px}
.service-heading{display:grid;grid-template-columns:1.2fr .8fr;gap:100px;align-items:end;margin-bottom:62px}
.section-intro{font-size:16px;line-height:1.85;color:var(--muted)}
.service-media{--scene-progress:1;position:relative;height:580px;overflow:hidden;border-radius:20px;clip-path:inset(calc((1 - var(--scene-progress))*5%) calc((1 - var(--scene-progress))*10%) round 20px);background:var(--warm)}
.service-media>img{width:100%;height:100%;object-fit:cover;object-position:50% 48%;transform:scale(calc(1.09 - var(--scene-progress)*.09))}
.image-caption{position:absolute;bottom:18px;left:20px;font-size:10px;background:#ffffffed;color:var(--ink);padding:6px 10px;border-radius:5px;max-width:calc(100% - 40px)}
.service-image-label{position:absolute;top:24px;left:24px;display:flex;gap:9px;align-items:center;background:#fff;font-size:14px;padding:13px 18px;border-radius:999px}.service-image-label .icon{color:var(--accent);width:19px;height:19px}
.service-list{display:grid;grid-template-columns:repeat(3,1fr);gap:48px;margin-top:45px}
.service-list article{display:flex;gap:14px}.service-list article>span{color:var(--accent);padding-top:4px}.service-list .icon{width:18px;height:18px}.service-list h3{font-size:22px;margin-bottom:12px}.service-list p{font-size:15px;color:var(--muted);line-height:1.8}
.process-section{background:var(--ink);color:#fff;padding-block:110px 100px}
.section-heading{display:grid;grid-template-columns:1.25fr .75fr;gap:110px;align-items:end;margin-bottom:76px}
.section-heading>p{font-size:16px;line-height:1.8;color:#c6c1bd}
.process-list{display:grid;grid-template-columns:repeat(3,1fr);gap:50px}
.process-list li{border-top:1px solid #ffffff36;padding-top:25px}
.step-number{font-size:58px;line-height:1;font-weight:400;letter-spacing:-.04em;color:#f2b6a1;display:block;margin-bottom:44px}
.process-list h3{font-size:26px;margin-bottom:18px}.process-list p{font-size:15px;color:#c6c1bd;line-height:1.85}
.control-section{padding-block:120px;display:grid;grid-template-columns:1fr 1.05fr;gap:100px;align-items:start}
.control-intro .section-intro{margin-top:28px}
.responsibility{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.responsibility>div{border-top:1px solid var(--line);padding-top:23px}
.responsibility h3{font-size:21px;display:flex;gap:8px;align-items:center;margin-bottom:30px}
.responsibility h3 .icon{width:20px;height:20px;color:var(--accent)}
.responsibility li{display:flex;gap:7px;align-items:flex-start;font-size:14px;margin-top:23px;line-height:1.75}
.responsibility li .icon{width:14px;height:14px;margin-top:5px;color:var(--muted)}
.expansion{border-top:1px solid var(--line);padding-block:74px 90px;display:grid;grid-template-columns:.9fr 1.1fr;gap:100px}
.expansion h2{font-size:clamp(32px,3.7vw,50px)}
.expansion>div>p{margin-top:24px;color:var(--muted);font-size:15px;line-height:1.8}
.expansion-options>span{display:flex;padding:16px 0;border-bottom:1px solid var(--line);font-size:clamp(25px,3.1vw,44px);line-height:1.25;letter-spacing:-.03em;color:var(--accent)}
.expansion-options>span:first-child{padding-top:0}
.expansion-options .scope-note{font-size:13px;line-height:1.7;margin-top:24px}
.faq-section{display:grid;grid-template-columns:.85fr 1.15fr;gap:110px;padding-block:100px 120px;border-top:1px solid var(--line)}
.faq-section .section-intro{margin-top:26px}
.faq-list details{border-bottom:1px solid var(--line)}.faq-list details:first-child{border-top:1px solid var(--line)}
.faq-list summary{display:flex;align-items:center;justify-content:space-between;gap:24px;cursor:pointer;list-style:none;font-size:18px;line-height:1.6;font-weight:500;padding:26px 0}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary .icon{width:20px;height:20px;transition:transform .2s ease}.faq-list details[open] summary .icon{transform:rotate(45deg)}
.faq-answer{padding:0 30px 28px 0;font-size:15px;line-height:1.85;color:var(--muted)}
.contact-section{background:var(--warm);padding-block:106px 90px}
.contact-inner{display:grid;grid-template-columns:1.35fr .65fr;gap:80px;align-items:end}
.contact-inner h2{font-size:clamp(42px,5.9vw,84px)}
.contact-inner p{font-size:16px;color:var(--muted);max-width:600px;margin-top:30px;line-height:1.8}
.contact-actions{display:flex;flex-direction:column;align-items:flex-start;gap:18px}
.contact-actions>.button{background:var(--accent);color:#fff}.contact-actions>.button:hover{background:var(--accent-hover)}
.contact-actions>span{font-size:12px;color:var(--muted)}
.email-link{display:flex;align-items:center;gap:12px;font-size:13px}.email-link:hover{text-decoration:underline}.email-link .icon{width:16px;height:16px}
.site-footer{padding-block:60px 25px}
.footer-main{display:flex;justify-content:space-between;gap:30px;padding-bottom:50px}
.footer-main .brand-logo{width:232px}.footer-main p{font-size:13px;color:var(--muted);margin-top:18px;max-width:390px}.footer-main .footer-location{max-width:280px;text-align:right;margin-top:0}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:22px;gap:20px;font-size:11px;color:var(--muted)}
.legal-links{display:flex;gap:22px;flex-wrap:wrap}.legal-links a:hover{text-decoration:underline}
html[lang^=zh] body{font-family:var(--font-zh-sans);font-synthesis:none}
html[lang^=zh] h1,html[lang^=zh] h2,html[lang^=zh] h3{font-family:var(--font-zh-display);letter-spacing:-.02em}
html[lang^=zh] .hero h1{font-size:clamp(50px,5.8vw,84px);font-weight:600;line-height:1.15}
html[lang^=zh] h2{font-weight:550;line-height:1.25}
html[lang^=zh] h3{font-weight:550;line-height:1.4}
html[lang^=zh] .signature-team{font-size:clamp(52px,8.8vw,124px);letter-spacing:-.035em}
html[lang^=zh] .conversation{font-family:-apple-system,BlinkMacSystemFont,'Helvetica Neue','Segoe UI',sans-serif}
html[lang^=ms] .hero h1{font-size:clamp(45px,5.6vw,80px)}
.motion-enabled .hero-line-text{animation:hero-line-in .75s cubic-bezier(.16,1,.3,1) both}
.motion-enabled .hero-line:nth-child(2) .hero-line-text{animation-delay:.09s}
.motion-enabled .hero-line:nth-child(3) .hero-line-text{animation-delay:.18s}
@keyframes hero-line-in{from{translate:0 70%;opacity:.35;filter:blur(2px)}to{translate:0 0;opacity:1;filter:blur(0)}}
@media(max-width:1100px){
.section-shell,.header-inner{width:calc(100% - 64px)}.header-inner{gap:20px}.brand-logo{width:190px}.header-actions{gap:12px}.button-small{font-size:11px;padding-inline:16px;gap:9px}
.hero{column-gap:6%;padding-top:60px}.hero-description{font-size:15px}.hero-actions{gap:16px}.hero-actions .button{font-size:13px;padding-inline:20px}
.demo-stage{grid-template-columns:minmax(0,1.08fr) 84px minmax(0,.92fr);gap:20px}.bridge-core .bridge-mark{font-size:50px}.bridge-line-in,.bridge-line-out{width:20px}
.handover{padding:23px 20px 0}.handover h3{font-size:23px}.handover dl>div{font-size:11px}.next-action{margin-inline:-20px;padding-inline:18px;font-size:11px}
.service-heading,.section-heading,.control-section,.expansion,.faq-section{gap:55px}.proof-list,.service-list{gap:30px}.service-media{height:500px}
.responsibility{gap:22px}.responsibility h3{font-size:18px}.responsibility li{font-size:13px}.contact-inner{gap:50px}
}
@media(max-width:760px){
html{scroll-padding-top:90px}.section-shell,.header-inner{width:calc(100% - 40px)}.header-inner{min-height:78px;gap:10px;grid-template-columns:1fr auto 1fr}.brand-logo{width:164px}.header-actions>.button{display:none}.header-actions{gap:0}
.menu-toggle{min-height:40px;padding:10px;border-radius:50%;width:40px;min-width:40px}.menu-label{display:none}.language-switch a{font-size:10px;padding:4px}
.navigation{left:0;right:0;top:calc(100% - 2px);padding:20px 24px 24px;grid-template-columns:1fr;gap:0;border-radius:15px}.navigation a{font-size:25px;padding:13px 0}
.hero{grid-template-columns:1fr;gap:32px;padding-block:40px 37px;align-items:start}.hero h1{font-size:clamp(48px,8.5vw,64px)}html[lang^=zh] .hero h1{font-size:clamp(44px,7.8vw,58px)}html[lang^=ms] .hero h1{font-size:clamp(40px,7.7vw,54px)}
.hero-aside{max-width:540px}.hero-description{font-size:15px}.hero-actions{margin-top:22px;gap:22px}.hero-notes{margin-top:18px;gap:5px 13px}
.hero-signature{gap:20px;padding:10px 0 0}.signature-ai{font-size:clamp(88px,21vw,140px)}.signature-plus{font-size:clamp(48px,11vw,74px)}.signature-team{font-size:clamp(35px,7.8vw,58px)}html[lang^=zh] .signature-team{font-size:clamp(30px,7.5vw,54px);letter-spacing:-.035em}
.demo-chapter{padding-block:65px 55px}.demo-heading{margin-bottom:30px}.demo-heading h2{font-size:34px}.scenario-switch{margin-bottom:30px;max-width:100%;width:100%}.scenario-switch button{font-size:11px;flex:1;padding:10px 8px;min-width:0}
.demo-stage{grid-template-columns:1fr;gap:18px}.demo-perspective{margin:0;font-size:10px}.conversation{transform:none;max-width:520px;width:100%;margin-inline:auto}.message{font-size:14px}
.ai-bridge{min-height:76px;flex-direction:column;max-width:520px;width:100%;margin-inline:auto}.bridge-core{transform:none}.bridge-core .bridge-mark{font-size:37px}.bridge-label{font-size:10px}.bridge-line-in{right:calc(50% + 55px);transform:rotate(90deg);width:26px}.bridge-line-out{left:calc(50% + 55px);transform:rotate(90deg);width:26px}
.handover{width:100%;max-width:520px;margin-inline:auto;transform:none;padding:24px 25px 0}.handover h3{font-size:25px;margin-top:16px}.handover dl{margin:22px 0}.handover dl>div{font-size:12px;margin-top:14px}.next-action{margin-inline:-25px;padding:16px 23px;font-size:12px}
.demo-foot{margin-top:22px;font-size:9px;gap:12px}.demo-foot>span{max-width:66%}.replay-button{font-size:10px}
.proof{padding-block:60px 70px}.proof>h2{font-size:31px;margin-bottom:36px}.proof-list{grid-template-columns:1fr;gap:30px}.proof-list article{padding:22px 0 0 40px;position:relative}.proof-icon{position:absolute;left:0;top:26px;margin:0}.proof-icon .icon{width:22px;height:22px}.proof-list h3{font-size:22px;margin-bottom:10px}.proof-list p{font-size:14px}
h2{font-size:36px}.service-section{padding-bottom:70px}.service-heading{grid-template-columns:1fr;gap:24px;margin-bottom:32px}.section-intro{font-size:15px}
.service-media{height:390px;clip-path:none;border-radius:14px}.service-media>img{transform:none}.image-caption{font-size:9px;left:12px;bottom:12px;max-width:calc(100% - 24px)}.service-image-label{top:15px;left:15px;padding:10px 14px;font-size:12px}
.service-list{grid-template-columns:1fr;gap:27px;margin-top:32px}.service-list h3{font-size:21px;margin-bottom:8px}.service-list p{font-size:14px}
.process-section{padding-block:67px 70px}.section-heading{grid-template-columns:1fr;gap:24px;margin-bottom:40px}.section-heading>p{font-size:15px}.process-list{grid-template-columns:1fr;gap:36px}.process-list li{padding:24px 0 0 54px;position:relative}.step-number{font-size:30px;position:absolute;top:28px;left:0;margin:0}.process-list h3{font-size:24px;margin-bottom:13px}.process-list p{font-size:14px}
.control-section{padding-block:70px;grid-template-columns:1fr;gap:35px}.control-intro .section-intro{margin-top:23px}.responsibility{gap:26px}.responsibility h3{font-size:18px;gap:7px;margin-bottom:25px}.responsibility li{font-size:13px;margin-top:18px}
.expansion{padding-block:48px 60px;grid-template-columns:1fr;gap:36px}.expansion h2{font-size:33px}.expansion>div>p{font-size:14px;margin-top:20px}.expansion-options>span{font-size:30px;padding-block:16px}
.faq-section{grid-template-columns:1fr;gap:30px;padding-block:60px 70px}.faq-list summary{font-size:16px;padding-block:22px}.faq-answer{font-size:14px;padding-right:24px}
.contact-section{padding-block:62px}.contact-inner{grid-template-columns:1fr;gap:32px}.contact-inner h2{font-size:43px}.contact-inner p{font-size:15px;margin-top:24px}.contact-actions{gap:16px}.contact-actions>.button{min-height:55px}
.site-footer{padding-block:38px 23px}.footer-main{flex-direction:column;gap:24px;padding-bottom:30px}.footer-main .brand-logo{width:195px}.footer-main p{font-size:12px;margin-top:14px}.footer-main .footer-location{text-align:left;max-width:none}.footer-bottom{flex-wrap:wrap;gap:15px;font-size:10px}.legal-links{order:3;width:100%;gap:18px}.footer-bottom>.language-switch{margin-left:auto}
}
@media(max-width:389px){
.section-shell,.header-inner{width:calc(100% - 32px)}.header-inner{gap:7px}.brand-logo{width:144px}.menu-toggle{min-height:34px;min-width:34px;width:34px;padding:8px}.language-switch a{font-size:9px;padding:3px}
.hero h1{font-size:44px}html[lang^=zh] .hero h1{font-size:39px}html[lang^=ms] .hero h1{font-size:37px}.hero-actions{gap:17px}.hero-actions .button{font-size:12px;padding-inline:17px}.demo-link{font-size:12px}
.hero-signature{gap:12px}.signature-ai{font-size:85px}.signature-plus{font-size:43px}.signature-team{font-size:33px}html[lang^=zh] .signature-team{font-size:29px}
.demo-heading h2{font-size:30px}.wa-header{gap:7px;padding-inline:11px}.wa-action{margin-left:1px}.wa-avatar{width:30px;height:30px}.wa-header .icon{width:18px;height:18px}.messages{padding-inline:16px}.message{font-size:13px}.wa-compose{gap:8px}.handover h3{font-size:22px}
.responsibility{grid-template-columns:1fr;gap:32px}.responsibility h3{font-size:20px}.responsibility li{font-size:14px}
.service-media{height:325px}.contact-inner h2{font-size:37px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.conversation,.handover,.bridge-core,.service-media>img{transform:none!important}.service-media{clip-path:none}.hero-line-text,.step-message{opacity:1;filter:none;translate:none}}
@media print{.site-header{position:static}.navigation,.header-actions,.menu-toggle,.replay-button{display:none}.section-shell{width:100%}.hero,.service-heading,.control-section,.faq-section,.contact-inner{display:block}.hero-signature{display:none}.demo-stage{display:block}.ai-bridge{margin-block:20px}.service-media{clip-path:none}.conversation,.handover{transform:none}.process-section{background:#fff;color:#111}.process-section p{color:#333}}

/* The live product example belongs in the first viewport, alongside its promise. */
.hero.hero-product{grid-template-columns:minmax(0,.88fr) minmax(0,1.12fr);align-items:center;gap:48px;padding-block:36px 60px}
.hero-main{min-width:0}
.hero-product h1,html[lang^=zh] .hero-product h1,html[lang^=ms] .hero-product h1{font-size:clamp(44px,4.4vw,64px);line-height:1.13}
.hero-product .hero-aside{max-width:470px;margin-top:28px;padding:0}
.hero-product .hero-notes{gap:10px 16px}
.hero-product .hero-notes li{font-size:12px}
.hero-demo{min-width:0;background:var(--warm);padding:24px;border-radius:20px;scroll-margin-top:110px}
.hero-demo .demo-heading{margin:0 0 14px;text-align:left}
.hero-demo .demo-heading h2{font-size:21px;line-height:1.4;letter-spacing:-.02em}
.hero-demo .scenario-switch{margin:12px 0 0;width:fit-content;max-width:100%;padding:3px}
.hero-demo .scenario-switch button{font-size:12px;padding:8px 16px;min-height:40px}
.hero-demo .demo-stage{grid-template-columns:minmax(0,1fr) 114px;gap:16px 18px;align-items:center}
.hero-demo .demo-perspective{font-size:12px;margin:0}
.hero-demo .conversation{grid-column:1;grid-row:2;transform:none;width:100%}
.hero-demo .messages{padding:12px 16px 16px;gap:10px;min-height:196px}
.hero-demo .message{font-size:13px;max-width:94%;line-height:1.5}
.hero-demo .wa-header{padding:11px 12px;gap:7px}
.hero-demo .wa-action{margin-left:0}
.hero-demo .wa-action .icon{width:18px;height:18px}
.hero-demo .ai-bridge{grid-column:2;grid-row:2;align-self:center;min-height:0}
.hero-demo .bridge-core{transform:none}
.hero-demo .bridge-line-in{width:20px;right:calc(100% - 7px)}
.hero-demo .bridge-line-out{display:none}
.hero-demo .assistant-state,.hero-demo .assistant-hint,.hero-demo .assistant-name{font-size:12px}
.hero-demo .assistant-state{min-height:2.5em}
.hero-demo .assistant-avatar-button{width:128px;height:128px;max-width:none}
.hero-demo .assistant-controls{flex-direction:column}
.hero-demo .handover{grid-column:1/-1;grid-row:3;transform:none;padding:17px 18px 0;border-radius:14px}
.hero-demo .handover h3{position:absolute;width:1px;height:1px;padding:0;margin:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.hero-demo .handover-top{font-size:12px}
.hero-demo .handover dl{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:12px 0}
.hero-demo .handover dl>div{display:block;font-size:12px;margin:0;min-width:0}
.hero-demo .handover dd{text-align:left;margin-top:4px;font-size:13px;overflow-wrap:anywhere}
.hero-demo .next-action{margin:0 -18px;padding:12px 18px;border-radius:0 0 14px 14px}
.hero-demo .more-demo-link{margin:0;text-align:left;font-size:12px;flex-shrink:0}
.hero-demo .demo-foot{margin-top:10px;font-size:11px;gap:12px;flex-wrap:wrap}
.hero-demo .replay-button{font-size:12px;flex-shrink:0}
@media(min-width:761px) and (max-width:1100px){
 .hero.hero-product{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:28px}
 .hero-product h1,html[lang^=zh] .hero-product h1,html[lang^=ms] .hero-product h1{font-size:clamp(35px,4.2vw,46px)}
 .hero-demo{padding:20px}.hero-demo .demo-stage{grid-template-columns:minmax(0,1fr) 88px;column-gap:12px}
 .hero-demo .assistant-avatar-button{width:88px;height:88px}.hero-demo .scenario-switch button{padding-inline:10px}
 .hero-demo .wa-action{display:none}
}
@media(max-width:900px) and (min-width:761px){
 .hero.hero-product{grid-template-columns:1fr;gap:30px}.hero-main{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}.hero-product .hero-aside{margin:0}.hero-demo{max-width:680px;width:100%;margin:auto}
}
@media(max-width:760px){
 .hero.hero-product{grid-template-columns:1fr;gap:30px;padding-block:26px 34px}
 .hero-product h1,html[lang^=zh] .hero-product h1,html[lang^=ms] .hero-product h1{font-size:clamp(35px,8.9vw,54px);line-height:1.15}
 .hero-product .hero-aside{margin-top:20px}.hero-product .hero-description{font-size:14px;line-height:1.75}.hero-product .hero-notes{gap:6px 12px}
 .hero-demo{padding:18px 14px;border-radius:16px}.hero-demo .demo-heading h2{font-size:18px}.hero-demo .scenario-switch{width:100%;margin-top:14px}.hero-demo .scenario-switch button{padding:8px 6px;font-size:12px}
 .hero-demo .demo-stage{grid-template-columns:1fr;gap:14px}.hero-demo .conversation{grid-column:1;grid-row:2}.hero-demo .messages{min-height:0}.hero-demo .message{font-size:14px}
 .hero-demo .ai-bridge{grid-column:1;grid-row:3;flex-direction:row;justify-content:flex-start;padding:0 12px}
 .hero-demo .assistant-core{display:grid;grid-template-columns:76px minmax(0,1fr);width:100%;max-width:none;text-align:left;gap:0 12px}
 .hero-demo .assistant-avatar-button{grid-column:1;grid-row:1/4;width:76px;height:76px}
 .hero-demo .assistant-name,.hero-demo .assistant-state{grid-column:2;text-align:left;min-height:0}
 .hero-demo .assistant-controls{grid-column:2;flex-direction:row;justify-content:flex-start;gap:8px}.hero-demo .assistant-hint{text-align:left}
 .hero-demo .bridge-line-in{display:none}.hero-demo .handover{grid-column:1;grid-row:4;padding:16px 16px 0}.hero-demo .handover dl{grid-template-columns:1fr;gap:10px}.hero-demo .handover dl>div{display:flex;justify-content:space-between;gap:16px}.hero-demo .handover dd{text-align:right;margin:0}.hero-demo .handover h3{font-size:18px}.hero-demo .next-action{margin-inline:-16px;padding-inline:16px}
 .hero-demo .demo-foot{flex-wrap:wrap;gap:0 12px;font-size:11px}.hero-demo .demo-foot>span{max-width:none}.hero-demo .replay-button{margin-left:auto}
}
@media print{.hero.hero-product,.hero-main{display:block}.hero-demo{margin-top:24px}.hero-demo .demo-stage{display:block}}