:root{color-scheme:light;--bg:#fcfdff;--surface:#f3f6fc;--panel:#ffffff;--ink:#142942;--muted:#62748a;--line:#e1e8f1;--blue:#2f6bde;--blue-ink:#2f6bde;--tint:#e9f1ff;--header:rgba(252,253,255,.94);--shadow:0 28px 65px -30px #274e863d;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--bg:#101a2a;--surface:#162338;--panel:#1b2b42;--ink:#ecf2fc;--muted:#a5b6cc;--line:#2c3c55;--blue-ink:#87b3ff;--tint:#1e3453;--header:rgba(16,26,42,.95);--shadow:0 28px 65px -30px #0008}}
:root[data-theme=dark]{color-scheme:dark;--bg:#101a2a;--surface:#162338;--panel:#1b2b42;--ink:#ecf2fc;--muted:#a5b6cc;--line:#2c3c55;--blue-ink:#87b3ff;--tint:#1e3453;--header:rgba(16,26,42,.95);--shadow:0 28px 65px -30px #0008}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.7}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}button{border:0}button:focus-visible,a:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--blue-ink);outline-offset:5px}img{display:block;max-width:100%;height:auto}svg{width:22px;height:22px;vertical-align:middle}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:600}button span[data-icon]{display:inline-flex}button svg{pointer-events:none}.container{max-width:1240px;width:calc(100% - 96px);margin:auto}.skip-link{position:fixed;top:-80px;left:20px;padding:10px;background:var(--panel);z-index:50}.skip-link:focus{top:10px}.site-header{position:sticky;top:0;background:var(--header);z-index:20;border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}.header-inner{height:88px;display:flex;align-items:center;justify-content:space-between;gap:32px}.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;line-height:1.3}.brand>span{font-size:22px;letter-spacing:1.2px;font-weight:650}.brand small{display:block;font-size:10px;letter-spacing:1px;font-weight:400;margin-top:6px;color:var(--muted)}.main-nav{display:flex;gap:32px;font-size:14px}.main-nav a:hover,.site-footer a:hover{color:var(--blue-ink)}.header-actions{display:flex;align-items:center;gap:16px}.button{display:inline-flex;justify-content:center;align-items:center;gap:14px;min-height:54px;padding:13px 24px;border-radius:8px;font-weight:500;white-space:nowrap;transition:transform .2s,box-shadow .2s,background .2s}.button:hover{transform:translateY(-2px);box-shadow:0 8px 20px #17447a20}.button.primary{background:var(--blue);color:#fff}.button.secondary{border:1px solid var(--line);background:var(--panel)}.button.small{min-height:42px;padding:9px 18px;font-size:13px}.icon-button{background:transparent;width:40px;height:40px;border-radius:50%;font-size:24px;display:grid;place-items:center}.icon-button:hover{background:var(--tint)}.menu-button{display:none}.hero{padding:88px 0 60px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:.87fr 1.13fr;align-items:center;min-height:530px;gap:24px}.eyebrow{font-size:13px;color:var(--blue-ink);letter-spacing:2px;font-weight:600;margin-bottom:22px}.hero h1{font-size:clamp(40px,3.7vw,54px);line-height:1.35;letter-spacing:-1.5px;white-space:nowrap}.hero h1 em{color:var(--blue-ink);font-style:normal}.hero-description{color:var(--muted);font-size:17px;line-height:1.95;margin-top:26px}.button-row{display:flex;gap:12px;margin-top:34px}.hero-note{font-size:12px;color:var(--muted);margin-top:22px;letter-spacing:2px}.mobile-break{display:none}.hero-visual{position:relative;min-height:480px;display:flex;align-items:center;margin-right:-48px}.visual-plane{position:absolute;inset:-40px -120px -12px 30px;background:var(--tint);border-radius:180px 0 0 28px;transform:rotate(-8deg);z-index:-1}.desktop-frame{width:100%;border:1px solid #d1deef;border-radius:11px;background:#fff;box-shadow:var(--shadow);overflow:hidden;transform:perspective(1400px) rotateY(-5deg);margin-bottom:65px}.frame-top{height:33px;display:flex;align-items:center;justify-content:space-between;padding:0 12px;font-size:9px;color:#64748b;background:#f9fbff;border-bottom:1px solid #e2e8f1}.frame-top svg{width:14px;height:14px}.window-marks{display:flex;gap:4px}.window-marks i{width:5px;height:5px;border:1px solid #b7c4d6;border-radius:100%}.image-button{padding:0;display:block;width:100%;background:transparent;cursor:zoom-in}.desktop-shot{width:100%}.phone-frame{position:absolute;width:158px;right:4px;bottom:-4px;border:5px solid #162b46;border-radius:27px;box-shadow:0 22px 38px #17385b2e;overflow:hidden;background:#fff;transform:rotate(3deg)}.visual-caption{position:absolute;bottom:0;left:18px;font-size:11px;color:var(--muted)}.visual-caption span{display:block;font-size:9px;opacity:.85;margin-top:3px}.scenario-strip{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:33px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:15px;color:var(--muted)}.scenario-strip>span{font-size:12px}.scenario-strip strong{font-weight:500;letter-spacing:1px}.section{padding-top:108px;padding-bottom:100px}.section-heading h2{font-size:36px;line-height:1.5;letter-spacing:-.8px}.section-heading>p:last-of-type:not(.eyebrow){font-size:15px;color:var(--muted);line-height:1.9;margin-top:18px}.product-tabs{display:flex;gap:10px;border-bottom:1px solid var(--line);margin-top:45px}.product-tabs button{flex:1;background:transparent;padding:18px 12px;display:flex;gap:10px;align-items:center;justify-content:center;color:var(--muted);position:relative;white-space:nowrap}.product-tabs button[aria-selected=true]{color:var(--blue-ink);font-weight:600}.product-tabs button[aria-selected=true]:after{content:"";position:absolute;bottom:-1px;left:20%;right:20%;height:3px;background:var(--blue);border-radius:3px}.product-panel{display:grid;grid-template-columns:.73fr 1.27fr;gap:40px;align-items:center;background:var(--surface);border-radius:14px;margin-top:28px;padding:42px;min-height:460px;overflow:hidden}.product-kicker{font-size:12px;color:var(--blue-ink)}.product-copy h3{font-size:28px;line-height:1.5;margin:10px 0 18px}.product-copy>p{font-size:14px;color:var(--muted);max-width:330px}.product-copy ul{list-style:none;padding:0;margin:24px 0;font-size:13px}.product-copy li{margin:10px 0;padding-left:24px;position:relative}.product-copy li:before{content:'✓';color:var(--blue-ink);position:absolute;left:0}.text-link{background:transparent;padding:0;display:inline-flex;align-items:center;gap:18px;color:var(--blue-ink);font-size:14px;font-weight:500;min-height:44px}.text-link:hover span{transform:translate(2px,-2px)}.text-link span{transition:transform .2s}.product-image-wrap{border:1px solid var(--line);border-radius:9px;overflow:hidden;background:#f3f6fc;box-shadow:var(--shadow);height:354px;display:flex;justify-content:center;align-items:flex-start}.product-image-wrap img{width:100%;height:100%;object-fit:cover;object-position:top left}.product-image-wrap.mobile-product{background:var(--tint);border:0;box-shadow:none}.product-image-wrap.mobile-product img{width:auto;height:100%;object-fit:contain;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}.image-disclaimer{font-size:11px;color:var(--muted);text-align:right;margin-top:14px}.collaboration-section{background:var(--surface)}.collaboration-grid{display:grid;grid-template-columns:1fr 1fr;gap:130px}.collaboration-grid .text-link{margin-top:24px}.role-list article{display:flex;gap:22px;padding:0 0 28px;margin-bottom:28px;border-bottom:1px solid var(--line)}.role-list article:last-child{padding:0;margin:0;border:0}.role-symbol{height:50px;width:50px;display:grid;place-items:center;background:var(--panel);border:1px solid var(--line);border-radius:12px;flex-shrink:0}.role-symbol svg{width:25px;height:25px}.role-list h3{font-size:18px;margin-bottom:7px}.role-list p{font-size:14px;color:var(--muted)}.assistant-heading{display:flex;justify-content:space-between;align-items:center}.mascot{width:160px;height:160px;object-fit:contain;margin-right:30px}.assistant-layout{display:grid;grid-template-columns:1.7fr .7fr;gap:64px;align-items:center;margin-top:45px}.assistant-screenshot{border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}.assistant-steps article{margin-bottom:34px}.assistant-steps article:last-child{margin:0}.assistant-steps article>span{color:var(--blue-ink);display:block;margin-bottom:12px}.assistant-steps h3{font-size:18px;margin-bottom:10px}.assistant-steps p{font-size:14px;color:var(--muted)}.faq-section{display:grid;grid-template-columns:.85fr 1.15fr;gap:80px;padding-top:25px}.faq-section h2{font-size:30px}.faq-list details{border-bottom:1px solid var(--line);padding:21px 0}.faq-list details:first-child{padding-top:0}.faq-list summary{list-style:none;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:32px}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary span{font-size:22px;color:var(--muted);transition:transform .2s}.faq-list details[open] summary span{transform:rotate(45deg)}.faq-list details p{font-size:14px;color:var(--muted);line-height:1.9;padding:16px 32px 0 0}.start-section{background:var(--tint);border-radius:16px;display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:64px;padding:55px 64px;margin-bottom:85px}.start-section h2{font-size:32px;line-height:1.55;letter-spacing:-.8px}.start-section>div>p:last-child{font-size:14px;color:var(--muted);margin-top:14px}.start-section .eyebrow{margin-bottom:15px}.start-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch}.start-actions small{font-size:11px;color:var(--muted);text-align:center;margin-top:4px}.site-footer{padding-bottom:28px}.footer-main{display:flex;justify-content:space-between;align-items:center;padding-bottom:38px}.footer-main>div{display:flex;gap:30px;font-size:13px}.footer-bottom{border-top:1px solid var(--line);padding-top:24px;font-size:11px;display:flex;justify-content:space-between;color:var(--muted)}dialog{color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:20px;box-shadow:var(--shadow)}dialog::backdrop{background:#0c1e36b8;backdrop-filter:blur(5px)}.image-dialog{width:min(1200px,94vw);max-height:90dvh}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;position:sticky;top:-20px;padding:8px 0;background:var(--panel);font-size:13px}.dialog-heading button{flex-shrink:0}.image-dialog img{max-width:100%;margin:auto;max-height:none}.dialog-hint{text-align:center;color:var(--muted);font-size:11px;margin-top:15px}.download-dialog{width:430px;padding:38px;max-width:calc(100% - 30px)}.close-download{position:absolute;right:12px;top:12px}.download-dialog h2{font-size:24px;margin:20px 0 10px}.download-dialog p{color:var(--muted);font-size:14px}.download-dialog .button{width:100%;margin:22px 0 15px}.download-dialog .download-note{font-size:12px}#mobile-menu{padding:12px 24px 22px;background:var(--bg);border-top:1px solid var(--line)}#mobile-menu:not([hidden]){display:grid;gap:16px}
@media(min-width:1500px){.hero{padding-top:110px;padding-bottom:85px}.hero-visual{margin-right:-35px}}
@media(max-width:1100px){.container{width:calc(100% - 56px)}.main-nav{gap:20px}.header-inner{gap:20px}.brand>span{font-size:19px}.brand small{font-size:9px}.hero{padding:65px 0 55px}.hero h1{font-size:42px}.hero-grid{min-height:470px;gap:20px}.hero-visual{min-height:390px;margin-right:-20px}.phone-frame{width:128px;bottom:0}.visual-caption{bottom:-10px;left:0}.button-row{gap:8px}.hero .button{font-size:13px;padding:13px 16px}.product-panel{padding:30px;gap:25px}.product-copy h3{font-size:25px}.collaboration-grid{gap:65px}.assistant-layout{gap:38px}.faq-section{gap:40px}.start-section{padding:44px;gap:40px}}
@media(max-width:800px){.main-nav{display:none}.menu-button{display:flex;flex-direction:column;gap:6px;align-items:center;justify-content:center}.menu-button span{height:1.5px;width:19px;background:var(--ink)}.header-inner{height:76px}.hero-grid{grid-template-columns:1fr;gap:28px}.hero-copy{max-width:600px}.hero h1{font-size:48px}.hero-visual{margin:0;min-height:490px;max-width:650px}.hero .button{font-size:15px}.hero-description{font-size:16px}.hero-note{margin-top:18px}.visual-plane{inset:0 -20px 0 20px;border-radius:150px 14px 20px 14px}.phone-frame{width:155px;right:20px;bottom:4px}.desktop-frame{max-width:590px}.hero{padding-top:50px}.scenario-strip{flex-wrap:wrap;justify-content:flex-start;gap:24px 44px}.scenario-strip>span{width:100%}.section{padding-top:72px;padding-bottom:72px}.section-heading h2{font-size:30px}.product-panel{grid-template-columns:1fr;padding:30px;gap:30px}.product-copy>p{max-width:520px}.product-copy h3 br{display:none}.product-copy ul{display:flex;flex-wrap:wrap;gap:0 20px;margin:16px 0}.product-image-wrap{height:auto;aspect-ratio:1.6}.product-image-wrap.mobile-product{height:400px;aspect-ratio:auto}.collaboration-grid{gap:45px;grid-template-columns:1fr}.role-list{display:grid;grid-template-columns:1fr 1fr;gap:30px}.role-list article{border:0;margin:0;padding:0;gap:15px}.assistant-layout{grid-template-columns:1fr}.assistant-steps{display:grid;grid-template-columns:1fr 1fr;gap:30px}.assistant-steps article{margin:0}.assistant-steps article:last-child{grid-column:1/-1}.faq-section{grid-template-columns:1fr;gap:35px;padding-top:10px}.start-section{grid-template-columns:1fr;gap:30px}.start-actions{max-width:360px}.footer-main{align-items:flex-start;gap:30px}.footer-main>div{display:grid;grid-template-columns:1fr 1fr;gap:18px 28px}.section-heading>p br{display:none}}
@media(max-width:520px){.container{width:calc(100% - 40px)}.header-inner{height:72px;gap:8px}.brand{gap:7px}.brand img{width:34px;height:34px}.brand>span{font-size:18px}.brand small{font-size:8px;letter-spacing:.5px}.header-actions{gap:2px}.header-actions .small{display:none}.icon-button{width:38px}.hero{padding:43px 0 30px}.hero h1{font-size:37px;letter-spacing:-1.4px}.eyebrow{font-size:11px;margin-bottom:18px}.hero-description{font-size:15px;margin-top:22px}.mobile-break{display:block}.button-row{gap:10px;margin-top:26px}.hero .button{font-size:13px;padding:12px 15px;min-height:48px;gap:8px}.hero .button svg{width:18px;height:18px}.hero-note{font-size:10px;letter-spacing:1px}.hero-grid{gap:25px}.hero-visual{min-height:310px;margin-top:6px}.desktop-frame{width:95%;margin-bottom:20px}.frame-top{height:23px;font-size:6px}.frame-top svg{width:10px}.window-marks i{width:4px;height:4px}.phone-frame{width:95px;border-width:3px;border-radius:17px;right:0;bottom:8px}.visual-caption{font-size:9px;bottom:0}.visual-caption span{font-size:8px}.visual-plane{inset:-5px -12px 0 15px;border-radius:95px 8px 12px 12px}.scenario-strip{padding:24px 0;gap:18px 0;justify-content:space-between;font-size:12px}.scenario-strip>span{font-size:11px}.scenario-strip strong{letter-spacing:0}.section{padding-top:58px;padding-bottom:58px}.section-heading h2{font-size:27px;line-height:1.5}.section-heading>p:last-of-type:not(.eyebrow){font-size:13px;margin-top:14px}.product-tabs{gap:0;margin-top:28px}.product-tabs button{font-size:12px;padding:15px 2px;gap:5px}.product-tabs svg{width:16px;height:16px}.product-panel{padding:24px 20px;margin-top:20px;gap:25px;min-height:0}.product-copy h3{font-size:25px;margin:10px 0 16px}.product-copy>p{font-size:13px}.product-copy ul{display:block;font-size:12px;margin:18px 0}.product-copy li{margin:8px 0}.product-image-wrap{border-radius:6px}.image-disclaimer{font-size:9px;text-align:left}.role-list{grid-template-columns:1fr;gap:30px}.role-symbol{width:44px;height:44px}.role-list h3{font-size:17px}.role-list p{font-size:13px}.collaboration-grid{gap:35px}.mascot{width:85px;height:85px;margin:0;align-self:center}.assistant-heading{gap:10px}.assistant-heading h2{font-size:25px}.assistant-heading .section-heading>p:last-child{font-size:12px}.assistant-layout{margin-top:30px;gap:30px}.assistant-steps{grid-template-columns:1fr;gap:26px}.assistant-steps article{padding-left:35px;position:relative}.assistant-steps article>span{position:absolute;left:0;top:2px}.assistant-steps h3{font-size:17px;margin-bottom:7px}.assistant-steps p{font-size:13px}.faq-section{padding-top:10px;gap:25px}.faq-section h2{font-size:25px}.faq-list summary{font-size:14px}.faq-list details p{font-size:13px;padding-right:0}.start-section{padding:30px 24px;margin-bottom:55px;border-radius:12px;gap:28px}.start-section h2{font-size:24px}.start-section>div>p:last-child{font-size:12px}.start-actions .button{font-size:13px;min-height:48px;padding:12px 16px}.footer-main{flex-direction:column;gap:30px;padding-bottom:30px}.footer-main>div{display:flex;flex-wrap:wrap;gap:20px;font-size:12px}.footer-bottom{gap:12px;flex-direction:column;font-size:10px}.image-dialog{padding:12px}.dialog-heading{top:-12px;font-size:12px}.download-dialog{padding:30px}.download-dialog h2{font-size:23px}}
@media(max-width:360px){.container{width:calc(100% - 32px)}.hero h1{font-size:32px}.hero .button{padding:11px 12px;font-size:12px}.hero-visual{min-height:280px}.phone-frame{width:84px}.visual-caption{font-size:8px}.visual-caption span{font-size:7px}.product-tabs button{font-size:11px;gap:3px}.product-tabs svg{width:14px}.assistant-heading h2{font-size:23px}.mascot{width:65px;height:65px}.start-section{padding:25px 20px}.start-section h2{font-size:22px}}
@media(prefers-reduced-motion:no-preference){.hero-copy{animation:enter .75s both}.hero-visual{animation:enter .9s .1s both}@keyframes enter{from{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

:root[data-theme=dark] .brand img{background:#eef3ff;border-radius:8px;padding:3px}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .brand img{background:#eef3ff;border-radius:8px;padding:3px}}