:root{--blue:#002fa7;--ink:#171a22;--muted:#626874;--line:#dedfe4;--surface:#f7f7f8;--white:#fff;--font:"Helvetica Neue",Helvetica,"PingFang SC","Microsoft YaHei",Arial,sans-serif}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:104px}body{margin:0;color:var(--ink);background:var(--white);font-family:var(--font);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}button,a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:5px}img{display:block;max-width:100%;height:auto}p,h1,h2,h3,figure{margin:0}h1,h2,h3{font-weight:600;line-height:1.25}p{overflow-wrap:break-word}.container{width:min(1240px,calc(100% - 96px));margin-inline:auto}.section{padding-block:112px}.muted{color:var(--muted)}.blue-text{color:var(--blue)}.icon{display:block;width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex:none}.icon-definitions{position:absolute;width:0;height:0;overflow:hidden}.eyebrow{font-size:14px;font-weight:500;letter-spacing:.04em;line-height:1.6}.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}.skip-link{position:fixed;top:12px;left:16px;padding:10px 18px;background:var(--blue);color:white;z-index:100;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}
.site-header{position:sticky;top:0;background:rgba(255,255,255,.97);z-index:20;border-bottom:1px solid var(--line)}.header-inner{height:84px;display:flex;align-items:center;justify-content:space-between}.brand{display:inline-flex;align-items:center;gap:11px;font-size:24px;font-weight:650;letter-spacing:.06em;line-height:1}.brand img{object-fit:contain}.main-nav{display:flex;align-items:center;gap:38px;font-size:14px}.main-nav>a{padding-block:12px;transition:color .18s}.main-nav>a:hover{color:var(--blue)}.main-nav .nav-download{display:flex;align-items:center;gap:20px;color:var(--blue);margin-left:16px}.nav-download .icon{width:19px;height:19px}.menu-toggle{display:none}
.hero{padding-top:82px}.hero>.eyebrow{display:flex;align-items:center;gap:10px}.blue-mark{width:8px;height:8px;background:var(--blue);display:inline-block}.hero-heading{display:grid;grid-template-columns:1.35fr 1fr;gap:70px;align-items:start;margin-top:24px;margin-bottom:62px}h1{font-size:clamp(48px,5.6vw,80px);letter-spacing:-.055em;line-height:1.25}.hero-intro{padding-top:8px;max-width:414px;justify-self:end}.hero-lead{font-size:22px;line-height:1.65;font-weight:500;margin-bottom:14px}.hero-intro>.muted{font-size:15px;max-width:350px}.store-links{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:26px}.store-link{display:flex;align-items:center;gap:12px;border:1px solid var(--line);padding:14px 12px;background:var(--white);min-height:72px;transition:border-color .18s,background .18s}.store-link:hover{border-color:var(--blue);background:var(--surface)}.store-icon{width:24px;height:24px;color:var(--blue)}.store-link>span,.download-link>span{display:flex;flex-direction:column;line-height:1.5}.store-link small{font-size:11px;color:var(--muted);margin-bottom:2px}.store-link strong{font-size:13px;font-weight:600;white-space:nowrap}.link-arrow{width:16px;height:16px;margin-left:auto;color:var(--muted)}
.product-stage{position:relative;min-width:0;background-color:var(--surface);background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:62px 62px;border:1px solid var(--line);padding:42px 170px 42px 42px;overflow:hidden}.desktop-shot{background:white;border:1px solid #c9ccd6}.shot-caption{display:flex;justify-content:space-between;padding:7px 16px;border-bottom:1px solid var(--line);font-size:11px;color:var(--muted);letter-spacing:.03em}.desktop-shot>img{width:100%;aspect-ratio:1180/780;object-fit:cover;object-position:top left}.phone-shot{position:absolute;width:18%;max-width:206px;bottom:20px;right:38px;border:5px solid #232733;border-radius:26px;background:#232733;overflow:hidden}.phone-shot img{width:100%;border-radius:20px}.phone-label{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);color:var(--blue);font-size:10px;background:white;padding:2px 12px;border:1px solid var(--line);border-radius:3px;white-space:nowrap}.product-figure>figcaption{display:flex;justify-content:space-between;gap:18px;font-size:12px;color:var(--muted);padding-top:15px}.product-figure>figcaption>span:last-child{white-space:nowrap}.product-principles{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:38px;padding-block:23px;font-size:14px}.product-principles>span{padding-left:24px;border-right:1px solid var(--line)}.product-principles>span:first-child{padding-left:0}.product-principles>span:last-child{border-right:0}.product-principles>span::before{content:"";display:inline-block;width:5px;height:5px;background:var(--blue);vertical-align:middle;margin-right:12px}
.features{background:var(--surface);margin-top:100px}.section-heading{display:grid;grid-template-columns:1fr 1fr;align-items:end;column-gap:90px;margin-bottom:72px}.section-heading .eyebrow{grid-column:1/-1;margin-bottom:20px;color:var(--blue)}h2{font-size:46px;letter-spacing:-.04em}.section-heading>p:last-child{color:var(--muted);font-size:17px;margin-bottom:3px}.feature-row{display:grid;grid-template-columns:.8fr 1.5fr;gap:96px;align-items:center;padding-block:64px;border-top:1px solid var(--line)}.feature-row:last-child{padding-bottom:0}.feature-copy{max-width:340px}.feature-number{font-size:15px;font-variant-numeric:tabular-nums;color:var(--blue);display:block;margin-bottom:24px}h3{font-size:31px;letter-spacing:-.025em}.feature-copy>p{color:var(--muted);font-size:15px;line-height:1.95;margin-top:24px}.feature-points{padding:0;margin:24px 0 0;list-style:none;font-size:13px}.feature-points>li{padding-block:9px;border-bottom:1px solid var(--line)}.feature-points>li:first-child{border-top:1px solid var(--line)}.feature-copy>.platform-note{font-size:12px;line-height:1.8;margin-top:16px}.feature-image{min-width:0}.feature-image>img{width:100%;border:1px solid var(--line);aspect-ratio:1180/780;object-fit:cover;object-position:top left;background:white}.feature-image>figcaption{font-size:12px;color:var(--muted);margin-top:11px}.feature-row-reverse{grid-template-columns:1.5fr .8fr}.feature-row-reverse>.feature-copy{grid-column:2;grid-row:1}.feature-row-reverse>.feature-image{grid-column:1;grid-row:1}
.workflow-heading .eyebrow{color:var(--blue);margin-bottom:20px}.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);margin:50px 0 0;padding:0;border-top:1px solid var(--line)}.steps>li{padding:30px 34px 0;border-right:1px solid var(--line)}.steps>li:first-child{padding-left:0}.steps>li:last-child{padding-right:0;border-right:0}.step-number{display:block;font-size:46px;line-height:1.3;font-weight:400;color:var(--blue);font-variant-numeric:tabular-nums;letter-spacing:-.04em;margin-bottom:36px}.steps h3{font-size:22px}.steps p{font-size:14px;color:var(--muted);margin-top:16px;line-height:1.95;max-width:300px}
.download-section{background:var(--blue);color:white;padding-block:76px}.download-inner{display:grid;grid-template-columns:1.15fr 1fr;gap:110px;align-items:center}.download-inner .eyebrow{color:#d9e0f4;margin-bottom:24px}.download-inner h2{font-size:43px}.download-inner>div>p:last-child{font-size:15px;margin-top:22px;color:#e0e5f2}.download-options{min-width:0}.download-link{display:flex;align-items:center;gap:18px;padding:18px 0;border-top:1px solid rgba(255,255,255,.35);transition:padding .2s}.download-link:hover{padding-left:8px}.download-link>.icon:first-child{width:30px;height:30px}.download-link>.icon:last-of-type{margin-left:auto}.download-link small{font-size:12px;color:#d9e0f4;margin-bottom:3px}.download-link strong{font-size:18px;font-weight:500}.download-options .download-note{font-size:11px;border-top:1px solid rgba(255,255,255,.35);padding-top:15px;margin-top:0;color:#e0e5f2;line-height:1.8}.download-link:focus-visible{outline-color:white}
.support{display:grid;grid-template-columns:1fr 1.2fr;gap:120px}.support-heading>.eyebrow{color:var(--blue);margin-bottom:22px}.support h2{font-size:40px}.contact-block{margin-top:44px;font-size:14px}.contact-block>p:first-child{color:var(--muted);margin-bottom:10px}.contact-block>a{color:var(--blue);display:inline-flex;align-items:center;gap:14px;font-size:17px}.contact-block>a .icon{width:18px;height:18px}.contact-block .qq-label{font-size:12px;color:var(--muted);margin-top:24px}.qq-group{display:flex;gap:16px;align-items:center}.qq-group>span{font-size:17px;letter-spacing:.03em}.copy-button{background:none;border:0;border-bottom:1px solid var(--line);padding:2px 0;color:var(--blue);cursor:pointer;font-size:12px;min-height:32px}.copy-button:hover{border-color:var(--blue)}.copy-status{color:var(--blue);font-size:12px;min-height:24px;margin-top:5px}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:24px;padding-block:25px;font-size:16px;font-weight:500;cursor:pointer;line-height:1.7}summary::-webkit-details-marker{display:none}summary .icon{width:20px;height:20px;color:var(--blue);transition:transform .2s}details[open] summary .icon{transform:rotate(45deg)}.faq-answer{padding:0 28px 24px 0;color:var(--muted);font-size:14px;line-height:1.95}.faq-answer>p+p{margin-top:12px}
.site-footer{border-top:1px solid var(--line)}.footer-inner{min-height:112px;display:flex;align-items:center;gap:28px}.footer-brand{font-size:20px;gap:8px}.footer-inner>p{font-size:12px;color:var(--muted)}.copyright{margin-left:auto;color:var(--muted);font-size:12px}.back-top{display:inline-flex;align-items:center;gap:12px;font-size:12px;margin-left:20px}.back-top .icon{width:18px;height:18px;transform:rotate(-90deg)}
.error-main{min-height:75vh;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:24px}.error-code{font-size:16px;color:var(--blue)}.error-main h1{font-size:64px}.error-main>p{color:var(--muted);max-width:500px}.button-primary{display:inline-flex;align-items:center;gap:40px;background:var(--blue);padding:12px 22px;color:white;margin-top:8px}
@media(min-width:1500px){.hero{padding-top:96px}.hero-heading{gap:110px}.hero-intro{max-width:440px}.store-link{padding-inline:16px}}
@media(max-width:1100px){.container{width:calc(100% - 64px)}.hero-heading{gap:36px;grid-template-columns:1.15fr 1fr}h1{font-size:clamp(44px,5.7vw,65px)}.hero-lead{font-size:20px}.store-links{grid-template-columns:1fr;gap:8px}.store-link{padding:9px 14px;min-height:58px;gap:14px}.store-link>span{flex-direction:row;align-items:baseline;gap:10px}.store-link small{margin:0}.store-icon{width:20px;height:20px}.product-stage{padding:30px 140px 30px 30px}.phone-shot{right:22px;bottom:18px}.feature-row{gap:52px;grid-template-columns:.9fr 1.3fr}.feature-row-reverse{grid-template-columns:1.3fr .9fr}.download-inner{gap:60px}.download-inner h2{font-size:37px}.support{gap:70px}.support h2{font-size:36px}.section{padding-block:88px}.features{margin-top:80px}}
@media(max-width:760px){html{scroll-padding-top:86px}.container{width:calc(100% - 40px)}.header-inner{height:70px}.brand{font-size:22px}.brand img{width:36px;height:36px}.menu-toggle:not([hidden]){display:flex;align-items:center;gap:14px;background:none;border:0;padding:10px 0 10px 18px;font-size:13px;min-height:44px;cursor:pointer}.menu-lines{width:20px;height:12px;display:block;border-block:1.5px solid var(--ink);position:relative}.menu-lines::after{content:"";position:absolute;top:4px;left:0;width:20px;border-top:1.5px solid var(--ink)}.main-nav{gap:20px;font-size:12px}.main-nav .nav-download{margin-left:0;gap:8px}html.js .main-nav{display:none;position:absolute;top:70px;left:0;right:0;background:white;border-bottom:1px solid var(--line);padding:16px 20px;flex-direction:column;align-items:stretch;gap:0}html.js .main-nav[data-open="true"]{display:flex}.main-nav>a{padding-block:12px}html.js .main-nav .nav-download{justify-content:space-between}.hero{padding-top:48px}.hero>.eyebrow{font-size:12px}.hero-heading{grid-template-columns:1fr;gap:26px;margin-top:22px;margin-bottom:34px}h1{font-size:clamp(40px,8.5vw,62px);letter-spacing:-.04em;line-height:1.3}.hero-intro{justify-self:start;max-width:none;width:100%;padding:0}.hero-lead{font-size:18px;line-height:1.6;margin-bottom:10px}.hero-lead br{display:none}.hero-intro>.muted{max-width:430px;font-size:14px}.store-links{grid-template-columns:1fr 1fr;margin-top:24px;gap:10px}.store-link{padding:12px 10px;gap:10px;min-height:70px}.store-link>span{flex-direction:column;gap:0}.store-link small{font-size:10px;margin-bottom:2px}.store-link strong{font-size:12px}.store-icon{width:21px;height:21px}.link-arrow{display:none}.product-stage{padding:22px 65px 22px 14px;background-size:36px 36px}.phone-shot{width:21%;right:9px;bottom:10px;border-width:3px;border-radius:13px}.phone-shot img{border-radius:9px}.phone-label{font-size:7px;padding:1px 4px;bottom:5px}.shot-caption{font-size:8px;padding:4px 8px}.product-figure>figcaption{font-size:10px;flex-wrap:wrap;gap:4px;padding-top:10px}.product-principles{margin-top:24px;padding-block:16px;font-size:10px;gap:0}.product-principles>span{padding-left:10px}.product-principles>span::before{width:3px;height:3px;margin-right:5px}.section{padding-block:64px}.features{margin-top:48px}.section-heading{grid-template-columns:1fr;gap:22px;margin-bottom:36px}.section-heading .eyebrow{font-size:12px;margin-bottom:0}h2{font-size:36px}.section-heading>p:last-child{font-size:14px}.section-heading>p:last-child br{display:none}.feature-row,.feature-row-reverse{grid-template-columns:1fr;gap:26px;padding-block:36px}.feature-copy{max-width:480px}.feature-row-reverse>.feature-copy,.feature-row-reverse>.feature-image{grid-column:auto;grid-row:auto}.feature-number{font-size:12px;margin-bottom:16px}h3{font-size:27px}.feature-copy>p{font-size:14px;margin-top:16px}.feature-points{margin-top:18px;font-size:12px;display:flex;flex-wrap:wrap;gap:0 16px}.feature-points>li{border:0;padding-block:4px}.feature-points>li:first-child{border:0}.feature-points>li::before{content:"";display:inline-block;width:3px;height:3px;background:var(--blue);margin-right:7px;vertical-align:middle}.feature-image>figcaption{font-size:10px}.workflow-heading .eyebrow{font-size:12px;margin-bottom:16px}.steps{grid-template-columns:1fr;margin-top:32px}.steps>li,.steps>li:first-child,.steps>li:last-child{position:relative;padding:25px 0 25px 62px;border-right:0;border-bottom:1px solid var(--line)}.step-number{position:absolute;left:0;top:24px;font-size:30px;margin:0}.steps h3{font-size:20px}.steps p{font-size:13px;max-width:500px;margin-top:10px}.download-section{padding-block:48px}.download-inner{grid-template-columns:1fr;gap:30px}.download-inner .eyebrow{font-size:12px;margin-bottom:18px}.download-inner h2{font-size:33px}.download-inner>div>p:last-child{font-size:13px;margin-top:16px}.download-link strong{font-size:16px}.download-link{padding-block:17px}.download-link>.icon:first-child{width:25px;height:25px}.download-options .download-note{font-size:10px;padding-top:12px;margin-top:0}.support{grid-template-columns:1fr;gap:32px}.support h2{font-size:34px}.support-heading>.eyebrow{font-size:12px;margin-bottom:16px}.contact-block{margin-top:24px;font-size:13px}.contact-block>a{font-size:16px}.contact-block .qq-label{margin-top:16px}.copy-status{min-height:0}.copy-status:not(:empty){min-height:24px}.faq-list summary{font-size:14px;padding-block:21px}.faq-answer{font-size:13px;padding-right:0}.footer-inner{padding-block:28px;display:grid;grid-template-columns:1fr auto;gap:14px 12px;min-height:0}.footer-brand{font-size:19px}.footer-brand img{width:30px;height:30px}.footer-inner>p{grid-column:1;grid-row:2;font-size:10px}.copyright{grid-column:1;grid-row:3;margin:0;font-size:10px}.back-top{grid-column:2;grid-row:1;margin:0;font-size:11px}.error-main{min-height:70vh}.error-main h1{font-size:44px}}
@media(max-width:760px){html:not(.js) .header-inner{height:auto;min-height:70px;flex-wrap:wrap;padding-block:16px;gap:12px}html:not(.js) .main-nav{width:100%;justify-content:space-between}}
@media(max-width:360px){.container{width:calc(100% - 32px)}h1{font-size:38px}.store-links{gap:8px}.store-link{padding-inline:8px;gap:7px}.store-link strong{font-size:11px}.product-principles{font-size:9px}.product-principles>span{padding-left:7px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media print{.site-header,.store-links,.menu-toggle,.download-section,.copy-button,.back-top,.skip-link{display:none!important}.container{width:100%}.section{padding-block:30px}body{font-size:11pt}.hero{padding-top:0}.features{margin-top:30px}.feature-row{break-inside:avoid}details .faq-answer{display:block}.product-stage{background:white}.site-footer{margin-top:30px}}