:root{--ink:#192d43;--muted:#576c80;--blue:#086cda;--brand:#2296ff;--pale:#eff8ff;--line:#dce7ef;--radius:24px;--shadow:0 18px 50px #315f9112;--shell:min(1160px, calc(100% - 64px) );font-family:PingFang SC,Microsoft YaHei,system-ui,sans-serif;color:var(--ink);background:#fff;font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:96px}body{margin:0;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}img{display:block;max-width:100%;object-fit:contain}h1,h2,h3,p,figure{margin:0}h1,h2,h3{line-height:1.35}h1{font-size:clamp(38px,4.3vw,60px);letter-spacing:-.035em}h2{font-size:clamp(28px,3.3vw,42px);letter-spacing:-.025em}h3{font-size:21px}p{color:var(--muted)}p+p{margin-top:18px}em{font-style:normal;color:var(--blue)}[hidden]{display:none!important}.shell{width:var(--shell);margin-inline:auto}.muted{color:var(--muted)}:focus-visible{outline:3px solid #155da0;outline-offset:5px}.skip-link{position:fixed;top:-100px;left:20px;z-index:200;background:#fff;padding:12px 24px;border:2px solid var(--blue)}.skip-link:focus{top:8px}.button,.nav-cta{display:inline-flex;align-items:center;justify-content:center;gap:20px;min-height:52px;padding:13px 26px;border:1px solid transparent;border-radius:99px;font-size:16px;font-weight:600;transition:background .2s,transform .2s}.button-primary,.nav-cta{color:#fff;background:var(--blue)}.button-primary:hover,.nav-cta:hover{background:#1766b1;transform:translateY(-2px)}.button-secondary{background:#fff;border-color:#b7cde1;color:var(--blue)}button:disabled{background:#edf1f5;color:#5b6a78;border-color:#dce3e9;cursor:not-allowed;transform:none}.text-link{display:inline-flex;align-items:center;min-height:44px;color:var(--blue);font-weight:600}.text-link:hover{text-decoration:underline}.actions{display:flex;align-items:center;gap:28px;margin-top:30px}.eyebrow{display:block;color:var(--blue);font-size:14px;font-weight:600;letter-spacing:.06em}.section-heading{text-align:center;margin:0 auto 46px;max-width:820px}.section-heading h2{margin:0 0 18px}.section-heading p{font-size:18px;line-height:1.85;max-width:770px;margin:auto}.section-space{padding-block:88px}.soft-section{background:#f5f9fc}.panel{padding:36px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}.notice{padding:20px 24px;border-radius:16px;background:var(--pale);color:#37556e;margin-top:28px;font-size:14px}.notice a{color:var(--blue);display:inline-block;margin-left:12px}.content-split{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.content-split h2{margin:0 0 24px}.about-intro-title{font-size:clamp(26px,3.1vw,42px);white-space:nowrap}.cards-three{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}.cards-three article{padding:30px;border:1px solid var(--line);border-radius:20px;background:#fff}.cards-three h3{margin:20px 0 12px}.step-number{font-size:24px;color:var(--blue);font-weight:600}.page-hero{padding:76px 0 66px;text-align:center;background:var(--pale)}.page-hero h1{margin:0 0 22px}.page-hero p{font-size:18px}.page-hero .text-link{margin-top:18px}.site-header{position:sticky;top:0;z-index:100;background:#ffffffed;border-bottom:1px solid #e8eff5;backdrop-filter:blur(16px)}.nav-shell{height:80px;display:flex;align-items:center;gap:36px}.wordmark{display:flex;align-items:center;gap:10px;font-size:23px;font-weight:700;white-space:nowrap}.wordmark-icon{width:40px;height:40px}.wordmark small{font-size:14px;font-weight:400;color:var(--muted);margin-left:9px;border-left:1px solid #b7c7d6;padding-left:9px}.desktop-nav{display:flex;gap:34px;margin-left:auto}.desktop-nav a{padding:10px 0;font-size:15px}.desktop-nav a:hover,[aria-current=page]{color:var(--blue)}.nav-cta{font-size:14px;min-height:44px;padding:9px 24px}.menu-toggle,.mobile-nav{display:none}.site-footer{padding:58px 0 24px;background:#f8fafc;border-top:1px solid var(--line)}.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1.4fr;gap:35px}.footer-intro p{margin-top:20px;font-size:14px}.footer-column{display:flex;align-items:flex-start;flex-direction:column;gap:8px;font-size:14px;color:var(--muted);min-width:0}.footer-column strong{color:var(--ink);margin-bottom:9px}.footer-column a{min-height:32px;overflow-wrap:anywhere}.footer-column a:hover{color:var(--blue)}.footer-column p{margin:0}.footer-bottom{border-top:1px solid var(--line);margin-top:38px;padding-top:22px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted)}.footer-records{display:flex;gap:16px}.home-hero{background:linear-gradient(115deg,#0867dc,#096bde 48%,#20b0f6);overflow:hidden}.hero-layout{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:24px;min-height:655px;padding-block:50px}.hero-copy{position:relative;z-index:2}.hero-copy h1{margin:22px 0}.hero-copy>p{font-size:18px;line-height:1.9}.hero-tags{display:flex;gap:20px;margin-top:30px;font-size:13px;color:#4b6881}.feature-nav{display:grid;grid-template-columns:repeat(5,1fr);padding:28px 0}.feature-nav a{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px;padding:16px 12px;font-size:14px;border-right:1px solid var(--line)}.feature-nav a:last-child{border:0}.feature-number{color:var(--blue);font-size:12px}.feature-nav a:hover{background:var(--pale);border-radius:12px;color:var(--blue)}.feature-section{padding:78px 0 34px;overflow:hidden;background:#eff8ff}.feature-answers{background:#fff}.feature-knowledge{background:#f1f8fc}.feature-practice{background:#fffbf2}.feature-analysis{background:#f0f7ff}.family-section{padding-block:72px;text-align:center}.family-section h2{margin:0;font-size:clamp(32px,3vw,42px);line-height:1.45;white-space:nowrap;text-wrap:balance}.family-title-break{display:none}.family-section .family-subtitle{margin:20px auto 0;color:var(--blue);font-size:18px;font-weight:600;text-wrap:balance}.family-section .family-description{max-width:740px;margin:18px auto 0;font-size:16px;line-height:1.9;text-wrap:balance}.family-subtitle span{display:inline-block}.closing-cta{text-align:center;background:#eaf5ff;padding:65px 0}.closing-cta img{margin:0 auto 20px}.closing-cta h2{margin-bottom:28px}.closing-cta p{margin-top:18px;font-size:13px}.product-scene{position:relative;max-width:960px;margin:auto}.scene-composition{position:relative;display:flex;justify-content:center;align-items:center;min-height:560px;padding:12px 0 24px}.scene-orbit{position:absolute;inset:60px 2% 50px;border:1px solid #bedef4;border-radius:50% 50% 0 0;opacity:.65;transform:scaleY(.92);pointer-events:none}.scene-orbit:before,.scene-orbit:after{content:"";position:absolute;inset:35px 55px -1px;border:1px solid #bedef4;border-radius:50% 50% 0 0}.scene-orbit:after{inset:70px 110px -1px}.demo-phone{position:relative;z-index:1;width:310px;min-height:505px;padding:17px 18px 58px;border:9px solid #cde6fa;border-radius:44px;background:#fbfdff;box-shadow:0 28px 60px #2f73ab18;text-align:left;flex:none;overflow:hidden}.phone-speaker{width:70px;height:6px;background:#bad9ed;border-radius:8px;position:absolute;top:10px;left:calc(50% - 35px)}.demo-status{display:flex;justify-content:space-between;font-size:10px;color:#43586b;margin-bottom:17px}.demo-header{display:flex;align-items:center;gap:8px}.demo-header b{font-size:17px}.demo-header>span{margin-left:auto;font-size:23px;color:var(--blue)}.demo-welcome{margin:17px -2px 12px;padding:15px;border-radius:16px;background:#e9f4ff}.demo-welcome small{color:#426b91;font-size:10px}.demo-welcome h3{font-size:25px;margin:4px 0}.demo-welcome p{font-size:11px}.capture-target{text-align:center;padding:14px 6px;border-radius:18px;background:linear-gradient(135deg,#078bff,#21b4fc);color:#fff}.camera-symbol{margin:auto auto 5px;width:56px;height:47px;border:5px solid #d8eeff;border-radius:14px;background:#fff;color:#358deb;font-size:38px;line-height:36px;box-shadow:0 8px 14px #1e63ac22}.capture-target b{font-size:16px}.capture-target p{font-size:10px;color:#fff;margin-top:4px}.demo-row{display:flex;justify-content:space-between;font-size:12px;padding:14px 2px}.demo-row b{color:var(--blue)}.demo-question{padding:13px;border:1px solid #e2eaf1;border-radius:12px;background:#fff;font-size:12px}.demo-question p{font-size:12px;margin:8px 0}.chip{display:inline-block;border-radius:6px;padding:3px 8px;background:#edf5ff;color:#286cae;font-size:10px}.demo-bottom{position:absolute;bottom:12px;left:18px;right:18px;display:flex;justify-content:space-between;border-top:1px solid #e3edf5;padding:13px 2px 0;font-size:10px;color:#526c81}.demo-bottom span:first-child{color:var(--blue)}.scene-note{position:absolute;z-index:2;width:290px;padding:25px;border:1px solid #e1edf4;border-radius:20px;background:#fff;box-shadow:0 20px 44px #3476a91a;text-align:left}.note-left{left:0;top:150px;transform:rotate(-3deg)}.note-right{right:0;top:236px;transform:rotate(3deg)}.scene-note strong{display:block;font-size:17px;line-height:1.5}.mini-label{display:block;color:var(--blue);font-size:11px;margin-bottom:12px;letter-spacing:.06em}.scene-note p{font-size:13px;margin-top:12px}.scene-note small{font-size:11px;color:var(--muted)}.paper-sample{margin-top:16px;padding:14px;border-radius:8px;background:#f8fafc}.scan-box{position:relative;margin-top:12px;border:2px solid #5aa6ff;border-radius:5px;padding:13px 8px;font-size:14px}.scan-box i{display:block;color:var(--blue);font-size:10px;font-style:normal;margin-top:8px}.paper-lines{height:34px;background:repeating-linear-gradient(transparent 0 15px,#e4eaf0 15px 16px)}.note-check{display:grid;place-items:center;background:#e1f6ef;color:#267454;border-radius:50%;width:30px;height:30px;margin-bottom:10px}.pill-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}.pill-row span{font-size:11px;padding:4px 9px;border-radius:6px;background:#edf6ff;color:#32688c}.math-sample b{display:block;color:var(--blue);margin-top:12px;font-size:18px}.demo-tabs{display:flex;gap:30px;padding:10px;color:var(--muted);font-size:13px}.demo-tabs b{color:var(--blue);border-bottom:2px solid var(--blue)}.knowledge-map{display:flex;align-items:center;flex-direction:column;margin-top:14px;font-size:14px}.knowledge-map span{background:#f0f7fe;border-radius:8px;padding:7px 20px;min-width:160px;text-align:center}.knowledge-map i{color:#8bb9df;font-style:normal}.chapter{background:#e9f3fe;border-radius:10px;padding:10px}.chapter>*{display:block}.chapter small{font-size:10px;color:var(--muted)}.chapter b{font-size:14px}.knowledge-row{display:flex;justify-content:space-between;align-items:center;padding:10px 4px;border-bottom:1px solid #e1eaf2;font-size:13px}.dot{width:8px;height:8px;border-radius:50%;background:#c2d4e3}.dot.active{background:#4c98e7}.practice-art{height:125px;display:grid;place-items:center}.practice-art img{height:115px;width:160px}.demo-action{margin-top:12px;text-align:center;background:var(--blue);color:#fff;padding:8px;border-radius:10px;font-size:13px}.export-paper{background:#f8fafc;padding:15px;margin-top:14px;border-radius:6px}.export-paper b{font-size:13px}.export-paper>span{display:block;color:var(--blue);font-size:12px;margin-top:10px}.analysis-chart{text-align:center}.analysis-chart svg{display:block;height:158px;margin:auto}.analysis-chart small{color:#607c92;font-size:10px}.analysis-chart+.demo-question{margin-top:13px}.focus-sample>span{display:block;font-size:20px;margin-top:16px}.sample-track{height:8px;background:#e6eef6;margin:14px 0 8px;border-radius:9px}.sample-track i{display:block;width:65%;height:100%;background:#69a9e6;border-radius:9px}.scene-hero{width:100%;min-width:0}.scene-hero .scene-composition{min-height:540px}.scene-hero .note-left{width:195px;left:-5px;top:285px;padding:18px}.scene-hero .note-left .paper-sample{padding:8px}.scene-hero .note-left strong{font-size:14px}.scene-hero .note-left .paper-sample>p,.scene-hero .paper-lines{display:none}.scene-hero .note-right{right:-12px;top:145px;width:185px;padding:18px}.scene-hero .note-right strong{font-size:14px}.scene-hero .note-right p{font-size:12px}.scene-hero .pill-row{gap:4px}.scene-hero .pill-row span{font-size:10px;padding:3px 6px}.scene-hero .demo-phone{transform:rotate(4deg)}.download-platforms{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;align-items:stretch}.platform-heading{display:flex;align-items:center;gap:16px}.platform-heading h2{font-size:28px;margin:4px 0}.status-pill{margin-left:auto;white-space:nowrap;font-size:12px;color:var(--blue);background:#eaf5ff;border-radius:20px;padding:5px 12px}.android-panel>p,.ios-panel>p{margin:22px 0}.android-panel>.button{width:100%}.feedback{font-size:14px;min-height:24px}.feedback:empty{display:none}.feedback[data-state=error],.invite-feedback[data-state=error]{color:#ad3030}.feedback[data-state=success]{color:#247254}.download-version-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin:16px 0 0;font-size:13px}.download-version-meta>div{display:flex;align-items:baseline;gap:7px}.download-version-meta dt,.operator-info dt{font-size:13px;color:var(--muted)}.download-version-meta dd{margin:0;font-size:14px;color:var(--ink)}dd{margin:4px 0 0;overflow-wrap:anywhere}.copy-code{min-height:44px;padding:8px 14px;color:var(--blue);background:#fff;border:1px solid #b8d0e6;border-radius:10px}.ios-panel{background:#f5f9fe;min-height:360px}.platform-symbol{font-size:26px;font-weight:700;color:var(--blue);display:grid;place-items:center;width:64px;height:64px;background:#e3effd;border-radius:20px;flex:none}.about-brand{display:flex;justify-content:center;align-items:center;background:#f2f8fe;border-radius:40px;min-height:330px}.operator-info{margin:0}.operator-info>div+div{margin-top:22px}.operator-info dd a{color:var(--blue)}.invite-hero{padding:80px 0;background:var(--pale)}.invite-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:65px;align-items:center}.invite-copy h1{font-size:clamp(32px,3.6vw,50px);margin:20px 0 26px}.invite-copy em{display:inline-block;margin-top:8px}.invite-lead{font-size:17px}.invite-mobile-lead{display:none}.invite-benefits{display:flex;flex-wrap:wrap;gap:16px;margin-top:30px;font-size:13px;color:var(--muted)}.invite-benefits i{color:var(--blue);font-style:normal;margin-right:5px}.invite-more{display:inline-block;margin-top:26px;color:var(--blue);padding-block:10px}.invitation-card{min-width:0;padding:30px;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}.invitation-brand{display:flex;align-items:center;gap:14px;margin-bottom:22px}.invitation-brand div>*{display:block}.invitation-brand small{color:var(--muted);font-size:12px}.invitation-brand strong{font-size:20px}.invite-code-panel,.invite-empty{background:#edf6ff;border-radius:16px;padding:20px}.invite-code-label{font-size:13px;color:var(--muted)}.invite-code-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:10px}.invite-code{font-size:30px;color:var(--blue);letter-spacing:.06em;overflow-wrap:anywhere;min-width:0;flex:1;user-select:text}.copy-code{flex:none;font-size:13px}.invite-code-panel p{margin-top:12px;font-size:13px}.invite-feedback{font-size:13px;margin-top:10px;overflow-wrap:anywhere}.invite-feedback:empty{display:none}.invite-actions{display:grid;gap:12px;margin-top:20px}.invite-actions .button{width:100%;font-size:15px}.invite-version{display:block;color:var(--muted);font-size:12px;margin-top:8px}.invite-install-link{display:block;color:var(--blue);font-size:13px;padding:14px 0 0;text-align:center}.invite-browser-guide{grid-column:1/-1;padding:24px;background:#fff8e7;border:1px solid #e8d7ac;border-radius:16px}.invite-browser-guide span{font-size:14px}.invite-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;padding-block:65px}.invite-steps article{display:flex;gap:15px}.invite-steps article>span{color:var(--blue);font-size:22px}.invite-steps h2{font-size:19px;margin-bottom:12px}.invite-steps p{font-size:14px}@media (min-width:761px) and (max-width:1050px){.hero-layout{grid-template-columns:1fr 1fr}.hero-copy h1{font-size:42px}.scene-hero .scene-note{display:none}.scene-note{width:240px;padding:20px}.note-left{left:0}.note-right{right:0}.footer-main{grid-template-columns:1.3fr 1fr 1fr}.company-info{grid-column:1/-1}.content-split{gap:40px}.invite-layout{gap:30px}.desktop-nav{gap:18px}.nav-shell{gap:22px}.wordmark small{display:none}}@media (max-width:760px){:root{--shell: calc(100% - 40px) }html{scroll-padding-top:80px}.nav-shell{height:68px;gap:12px}.wordmark{font-size:clamp(14px,4vw,18px);gap:7px}.wordmark-icon{width:34px;height:34px}.wordmark small,.desktop-nav{display:none}.nav-cta{margin-left:auto;min-height:44px;padding:8px 17px;font-size:13px}.menu-toggle{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-width:44px;height:44px;padding:8px;background:transparent;border:1px solid var(--line);border-radius:12px}.menu-toggle span{width:18px;height:2px;background:var(--ink)}.mobile-nav.is-open{display:grid;padding:8px 20px 20px;border-top:1px solid var(--line)}.mobile-nav a{padding:12px 10px;min-height:48px}.hero-layout{grid-template-columns:1fr;gap:10px;padding:45px 0 20px}.hero-copy{text-align:center}.hero-copy h1{font-size:clamp(33px,8.3vw,46px);margin:20px 0}.eyebrow{font-size:12px;letter-spacing:0}.hero-copy>p{font-size:15px}.actions{justify-content:center;margin-top:25px;gap:22px}.button{min-height:50px;padding:12px 23px;font-size:15px}.hero-tags{justify-content:center;gap:12px;font-size:11px;margin-top:23px}.scene-hero .scene-composition{min-height:420px;padding-top:22px}.scene-hero .demo-phone{width:270px;min-height:440px;transform:rotate(3deg);padding-bottom:45px}.scene-hero .note-left,.scene-hero .note-right,.scene-hero .demo-question{display:none}.feature-nav{grid-template-columns:repeat(2,1fr);padding-block:16px;gap:4px}.feature-nav a{font-size:13px;padding:12px 6px;justify-content:flex-start;border:0;min-height:48px}.feature-nav a:last-child{grid-column:1/-1;justify-content:center}.feature-section{padding:56px 0 24px}.section-heading{margin-bottom:26px}.section-heading h2{font-size:30px;margin:0 0 16px}.section-heading p{font-size:15px;line-height:1.85}.scene-composition{display:grid;grid-template-columns:1fr;gap:12px;padding-bottom:6px;min-height:0}.demo-phone{grid-row:1;margin:auto;width:min(300px,100%);min-height:490px}.scene-note{position:relative;inset:auto;width:min(340px,100%);margin:auto;transform:none;padding:20px;box-shadow:0 8px 25px #3476a90c}.note-left{grid-row:2}.note-right{grid-row:3}.scene-note strong{font-size:16px}.scene-note .mini-label{margin-bottom:8px}.scene-note .paper-sample{margin-top:10px}.scene-orbit{inset:80px 0 240px;border-radius:45%}.scene-orbit:before{inset:30px 20px -1px}.scene-orbit:after{inset:60px 40px -1px}.knowledge-map{flex-direction:row;font-size:12px;gap:5px}.knowledge-map span{min-width:0;padding:8px}.knowledge-map i{transform:rotate(-90deg)}.check-list p{margin-top:8px}.content-split,.download-platforms,.invite-layout{grid-template-columns:1fr;gap:28px}.about-intro-title{font-size:clamp(28px,3.3vw,42px);white-space:normal;text-wrap:balance}.family-section{padding-block:56px}.family-section h2{font-size:29px;white-space:normal;text-wrap:balance}.family-title-comma{display:none}.family-title-break{display:block}.family-section .family-subtitle{max-width:22em;font-size:16px}.family-section .family-description{font-size:15px}.closing-cta{padding:50px 0}.closing-cta h2{font-size:29px}.closing-cta p{font-size:11px}.section-space{padding-block:55px}.page-hero{padding:50px 0 42px}.page-hero h1{font-size:34px}.page-hero p{font-size:16px}.cards-three{grid-template-columns:1fr;gap:14px}.cards-three article{padding:25px}.cards-three h3{margin-top:10px}.panel{padding:24px;border-radius:20px}.platform-heading{gap:10px;flex-wrap:wrap}.platform-heading img{width:48px;height:48px}.platform-heading .platform-symbol{width:48px;height:48px;font-size:20px;border-radius:15px}.platform-heading h2{font-size:24px}.download-platforms{gap:20px}.ios-panel{min-height:0}.notice{padding:18px}.notice a{margin-left:0}.about-brand{min-height:260px}.about-brand img{width:210px;height:210px}.invite-hero{padding:40px 0}.invite-copy{text-align:center}.invite-copy h1{font-size:30px;margin:14px 0}.invite-lead,.invite-benefits,.invite-more{display:none}.invite-mobile-lead{display:block;font-size:14px}.invitation-card{padding:22px}.invitation-brand img{width:44px;height:44px}.invitation-brand strong{font-size:18px}.invite-code{font-size:27px}.invite-steps{grid-template-columns:1fr;gap:26px;padding-block:40px}.footer-main{grid-template-columns:1fr 1fr;gap:30px}.footer-intro,.company-info{grid-column:1/-1}.footer-intro p{margin-top:12px}.footer-column a{min-height:40px;padding-block:5px}.footer-bottom{flex-direction:column;gap:10px}.site-footer{padding-top:40px}}@media (max-width:360px){.site-header .nav-cta{display:none}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}.icon{display:inline-block;flex:none;vertical-align:middle}.home-hero .eyebrow,.home-hero .hero-copy h1,.home-hero .hero-copy em{color:#fff}.home-hero .hero-copy>p{color:#fff}.home-hero .hero-copy .button-primary{background:#fff;color:#0861c4;box-shadow:0 10px 28px #005ac32e}.home-hero .hero-copy .button-primary:hover{background:#f0faff}.home-hero .hero-copy .text-link,.home-hero .hero-tags{color:#fff}.hero-tags span+span{border-left:1px solid #ffffff80;padding-left:18px}.home-hero .scene-orbit,.home-hero .scene-orbit:before,.home-hero .scene-orbit:after{border-color:#fff5}.home-hero .demo-phone{border-color:#b4e2ff;box-shadow:0 25px 55px #0053b945}.feature-nav a{flex-direction:column;gap:12px;font-size:15px;padding-block:20px}.feature-icon{display:grid;place-items:center;width:60px;height:60px;border-radius:18px;background:linear-gradient(145deg,#45baff,#0878ef);color:#fff;box-shadow:inset 0 2px 2px #fff6,0 7px 15px #0b80ea24}.feature-icon-1{background:linear-gradient(145deg,#a994ff,#7560df);box-shadow:inset 0 2px 2px #fff6,0 7px 15px #7560df24}.feature-icon-2{background:linear-gradient(145deg,#48d5bf,#159e91);box-shadow:inset 0 2px 2px #fff6,0 7px 15px #159e9124}.feature-icon-3{background:linear-gradient(145deg,#ffcf68,#efa128);box-shadow:inset 0 2px 2px #fff6,0 7px 15px #efa12824}.feature-icon-4{background:linear-gradient(145deg,#7cb8ff,#4888ef)}.camera-symbol{display:grid;place-items:center;width:68px;height:60px;border:0;border-radius:18px;background:linear-gradient(#fff,#e4f6ff);color:#128bf1;box-shadow:inset 0 -3px #c1e6ff,0 8px 18px #0067cd40;margin-bottom:10px}.status-icons{display:flex;gap:4px;align-items:center}.demo-header>span{display:inline-flex;align-items:center}.demo-bottom{padding-top:8px;bottom:10px}.demo-bottom>span{display:flex;flex-direction:column;align-items:center;gap:3px}.demo-phone{padding-bottom:68px}.scan-box i,.check-list p,.word-file{display:flex;align-items:center;gap:7px}.check-list .icon{color:#159e91}.knowledge-map .map-connector{width:2px;height:16px;background:#a5cfe8;margin-block:4px}.scene-note{border-color:#d9ebf8}@media (max-width:760px){.hero-tags span+span{padding-left:10px}.feature-nav{grid-template-columns:repeat(3,1fr);padding-block:18px;gap:8px}.feature-nav a{justify-content:flex-start;gap:10px;padding:12px 2px;font-size:12px}.feature-nav a:last-child{grid-column:auto;justify-content:flex-start}.feature-icon{width:48px;height:48px;border-radius:14px}.feature-icon .icon{width:25px;height:25px}.knowledge-map .map-connector{width:12px;height:2px;flex:none;transform:none}.scene-hero .demo-phone{padding-bottom:60px}}.capture-target b,.capture-target p{color:#07334f}@media (max-width:760px){.home-hero{background:linear-gradient(165deg,#0867dc,#096bde,#20b0f6)}}