:root{color-scheme:light;--ink:#1d1d1f;--ink-soft:#303238;--muted:#787880;--line:#e5e5ea;--card:#f7f7f6;--surface:#f5f5f3;--dark:#121215;--content:1200px;font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink)}button,a{font:inherit}a{color:inherit;text-decoration:none}button{cursor:pointer}img,svg,video{display:block;max-width:100%}h1,h2,h3,h4,p{margin:0}.container{width:min(var(--content),calc(100% - 48px));margin-inline:auto}.skip-link{position:absolute;top:-80px;left:12px;padding:10px 16px;background:#fff;z-index:100}.skip-link:focus{top:8px}:focus-visible{outline:3px solid #555b63;outline-offset:3px}
.site-header{height:64px;border-bottom:1px solid var(--line);background:#fff;position:relative;z-index:10}.header-inner{height:100%;display:flex;align-items:center;gap:32px}.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;color:#86868b;font-size:14px;font-weight:500}.brand img{width:124px;height:auto;max-height:22px;object-fit:contain}.brand-divider{width:1px;height:14px;background:var(--line)}.primary-nav{display:flex;align-items:center;gap:32px;margin-left:auto;font-size:13px;color:#86868b}.primary-nav a:hover,.primary-nav a[aria-current=page]{color:var(--ink-soft);font-weight:600}.version-badge{margin-left:84px;border:1px solid #e9e9ec;border-radius:999px;padding:4px 10px;color:#86868b;font-size:11px;white-space:nowrap}.menu-toggle{display:none;background:none;border:0;padding:8px;width:40px;height:40px}.menu-toggle span{display:block;height:2px;background:#303238;margin:5px 0;border-radius:1px}
.hero{background:#fff}.hero-inner{min-height:1056px;padding-top:80px;padding-bottom:100px;display:flex;flex-direction:column;align-items:center}.hero-copy{text-align:center;max-width:850px}.hero-copy h1{font-family:Outfit,Inter,"Microsoft YaHei",sans-serif;font-weight:800;font-size:64px;line-height:1.2;letter-spacing:-.045em}.hero-copy p{font-size:20px;line-height:1.6;color:#86868b;margin-top:20px}.hero-actions{display:flex;flex-direction:column;align-items:center;gap:16px;margin-top:72px}.download-row{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}.pill-button{min-height:43px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 24px;border-radius:999px;border:1px solid var(--ink);font-size:14px;font-weight:600;white-space:nowrap;transition:transform .2s,box-shadow .2s,background .2s}.pill-button:hover{transform:translateY(-2px);box-shadow:0 9px 22px rgba(0,0,0,.1)}.pill-dark{background:var(--ink);color:#fff}.pill-outline{background:#fff;color:var(--ink)}.download-icon{width:18px;height:18px;flex:none;stroke:currentColor}.small-muted{color:#86868b;font-size:12px;line-height:1.5}.hero-product{width:min(1000px,100%);height:auto;margin-top:auto;border-radius:4px;object-fit:contain}
.learn-section{padding:96px 0 104px}.section-intro{display:flex;flex-direction:column;gap:13px}.eyebrow{color:var(--ink-soft);font-weight:600;font-size:13px;line-height:19px;letter-spacing:.01em}.section-intro h2{font-size:38px;line-height:1.45;letter-spacing:-.025em;font-weight:650}.section-intro>p:last-child{font-size:16px;line-height:23px;color:var(--muted)}.quick-card{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:32px;min-height:340px;padding:32px;margin-top:52px;border-radius:22px;background:var(--surface)}.quick-copy{display:flex;flex-direction:column;align-items:flex-start;gap:14px}.quick-copy h3{font-size:30px;line-height:1.45;letter-spacing:-.02em;font-weight:650}.quick-copy>p:not(.eyebrow):not(.operation-chain){font-size:15px;line-height:22px;color:var(--muted)}.quick-copy .operation-chain{font-size:14px;font-weight:600;line-height:20px;color:var(--ink)}.rect-button{display:inline-flex;align-items:center;justify-content:space-between;gap:18px;margin-top:2px;min-width:176px;height:44px;padding:0 16px;border-radius:8px;background:var(--ink-soft);color:#fff;font-size:14px;font-weight:600;transition:background .2s,transform .2s}.rect-button:hover{background:#111;transform:translateY(-2px)}.quick-visual{height:276px;overflow:hidden;border-radius:16px;position:relative;background:#d0d0d2}.quick-visual img{width:100%;height:100%;object-fit:cover;object-position:center 48%}.visual-open{position:absolute;right:16px;bottom:16px;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;color:var(--ink);background:rgba(255,255,255,.9);font-size:20px}.section-row{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-top:52px;margin-bottom:52px}.section-row h3{font-size:28px;line-height:41px;letter-spacing:-.02em;font-weight:650}.section-row p{color:var(--muted);font-size:15px;line-height:22px;margin-top:8px}.section-row>a{font-size:14px;font-weight:600;color:var(--ink-soft);white-space:nowrap;padding-bottom:3px}.section-row>a:hover,.feature-link:hover{text-decoration:underline;text-underline-offset:3px}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.feature-card{min-width:0;height:260px;border-radius:16px;background:var(--card);padding:20px;display:flex;flex-direction:column;gap:8px;transition:transform .22s,box-shadow .22s}.feature-card:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(0,0,0,.07)}.feature-visual{height:118px;flex:none;background:#eeefef;border-radius:10px;overflow:hidden}.feature-visual svg{width:100%;height:100%}.feature-title{display:flex;align-items:start;justify-content:space-between;gap:12px;margin-top:1px;height:27px}.feature-title h4{font-size:17px;font-weight:650;line-height:24px}.feature-title span{font-size:12px;color:#86868b}.feature-card>p{color:var(--muted);font-size:14px;line-height:20px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.feature-link{font-size:13px;font-weight:600;color:var(--ink-soft);line-height:18px;margin-top:auto}
.bottom-cta{background:#f5f5f7;text-align:center;padding:120px 0}.bottom-cta .container{display:flex;flex-direction:column;align-items:center;gap:16px}.bottom-cta h2{font-family:Outfit,Inter,"Microsoft YaHei",sans-serif;font-size:40px;letter-spacing:-.03em;line-height:1.3}.bottom-cta p{font-size:16px;color:#86868b}.bottom-cta .pill-button{margin-top:24px}.bottom-cta .small-muted{margin-top:-4px}.site-footer{background:var(--dark);color:#86868b;padding:80px 0 64px}.footer-main{display:flex;justify-content:space-between;gap:60px}.footer-brand{width:360px;max-width:100%}.footer-brand img{width:102px;height:auto;max-height:20px;object-fit:contain}.footer-brand p{font-size:13px;line-height:22px;margin-top:16px}.footer-columns{display:flex;gap:64px}.footer-columns>div{display:flex;flex-direction:column;align-items:flex-start;gap:12px;white-space:nowrap}.footer-columns h3{font-size:14px;color:#e5e5ea;font-weight:600}.footer-columns a,.footer-columns span{font-size:13px}.footer-columns a:hover{color:#fff}.footer-bottom{display:flex;align-items:center;justify-content:space-between;border-top:1px solid rgba(255,255,255,.08);padding-top:32px;margin-top:48px;font-size:12px}
.tutorial-main{padding-top:64px;padding-bottom:112px}.breadcrumb{display:flex;gap:12px;align-items:center;color:var(--muted);font-size:14px;line-height:20px}.breadcrumb a:hover{text-decoration:underline}.tutorial-heading{padding-top:28px;margin-bottom:44px}.tutorial-heading h1{font-size:42px;line-height:1.33;letter-spacing:-.03em;font-weight:650;margin:12px 0}.tutorial-heading>p:last-child{font-size:16px;line-height:24px;color:var(--muted)}.tutorial-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:32px;align-items:start}.tutorial-sidebar{border-radius:18px;background:var(--card);padding:22px;display:flex;flex-direction:column;gap:8px;position:sticky;top:24px}.tutorial-sidebar h2{font-size:18px;line-height:28px;font-weight:650}.sidebar-label{font-size:12px;color:var(--muted);font-weight:600;margin-top:6px}.tutorial-sidebar a{min-height:40px;padding:10px;border-radius:8px;font-size:14px;line-height:20px}.tutorial-sidebar a:hover{background:#eceeed}.tutorial-sidebar a[aria-current=page]{background:#eceeed;color:var(--ink-soft);font-weight:600}.tutorial-article{min-width:0;display:flex;flex-direction:column;gap:28px}.article-heading{display:flex;flex-direction:column;gap:8px}.article-heading p{font-size:13px;color:var(--ink-soft);font-weight:600}.article-heading h2{font-size:26px;line-height:1.35;letter-spacing:-.02em;font-weight:650}.media-stage{height:493px;border-radius:18px;background:#eeefef;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}.media-poster{width:100%;height:100%;object-fit:cover}.media-stage>video{width:100%;height:100%;object-fit:contain;background:#17181c}.media-caption{position:absolute;bottom:0;left:0;right:0;min-height:60px;background:rgba(20,23,28,.92);color:#fff;display:flex;gap:20px;align-items:center;padding:14px 24px;font-size:14px}.media-caption strong{font-weight:600;min-width:155px}.media-caption span{color:#c7ccd6}.motion-large{width:min(78%,700px);aspect-ratio:344/118}.motion-large svg{width:100%;height:100%}.motion-stage-copy{position:absolute;top:28px;left:32px;right:32px;color:var(--ink-soft);font-size:14px;font-weight:600}.preparation{background:var(--card);padding:24px;border-radius:18px}.preparation h3{font-size:20px;line-height:28px;margin-bottom:8px}.preparation ul{margin:0;padding-left:22px;font-size:15px;line-height:25px}.steps-heading{display:flex;flex-direction:column;gap:6px}.steps-heading h3{font-size:25px;line-height:34px;letter-spacing:-.02em}.steps-heading p{color:var(--muted);font-size:15px;line-height:22px}.step-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.step-card{min-height:190px;border:1px solid #e0e3e8;border-radius:16px;background:#fff;padding:22px;display:flex;gap:18px;align-items:flex-start}.step-number{width:40px;height:40px;border-radius:10px;background:#e8e9e8;display:grid;place-items:center;color:var(--ink-soft);font-weight:600;font-size:17px;flex:none}.step-content{min-width:0}.step-content h4{font-size:20px;line-height:28px;margin-bottom:7px;font-weight:650}.step-content p{font-size:15px;line-height:23px}.step-content .step-result{font-size:14px;color:var(--ink-soft);line-height:21px;margin-top:7px}.help-panel{background:var(--card);border-radius:16px;padding:20px}.help-panel h3{font-size:18px;line-height:26px}.help-panel p{font-size:15px;line-height:22px;margin:8px 0}.help-panel a{font-size:14px;font-weight:600;color:var(--ink-soft)}.help-panel a:hover{text-decoration:underline}.tutorial-footer{background:#17181c;color:#fff;padding:58px 0}.tutorial-footer .container{display:flex;align-items:center;justify-content:space-between;gap:24px}.tutorial-footer strong{font-size:18px}.tutorial-footer nav{display:flex;flex-wrap:wrap;gap:24px;color:#dedee2;font-size:14px}.tutorial-footer a:hover{color:#fff;text-decoration:underline}
@media(max-width:1100px){.version-badge{margin-left:0}.hero-inner{min-height:900px}.hero-product{margin-top:90px}.quick-card{grid-template-columns:1fr 1fr}.feature-card{height:auto;min-height:260px}.footer-columns{gap:32px}.tutorial-layout{grid-template-columns:240px minmax(0,1fr)}.tutorial-sidebar{padding:16px}}
@media(max-width:800px){.primary-nav{gap:18px}.version-badge{display:none}.hero-inner{min-height:0;padding:72px 0 88px}.hero-copy h1{font-size:48px}.hero-copy p{font-size:17px}.hero-actions{margin-top:42px}.hero-product{margin-top:68px}.quick-card{grid-template-columns:1fr}.quick-visual{height:300px}.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.learn-section{padding:72px 0 88px}.footer-main{flex-direction:column}.tutorial-layout{grid-template-columns:1fr}.tutorial-sidebar{position:relative;top:auto;display:flex;flex-direction:row;flex-wrap:wrap;align-items:center;gap:4px 8px}.tutorial-sidebar h2{width:100%}.sidebar-label{width:100%;margin-top:10px}.tutorial-sidebar a{white-space:nowrap}.tutorial-heading{margin-bottom:28px}}
@media(max-width:620px){.container{width:min(var(--content),calc(100% - 32px))}.site-header{height:60px}.header-inner{justify-content:space-between}.brand img{width:110px}.menu-toggle{display:block}.primary-nav{display:none;position:absolute;left:0;right:0;top:60px;background:#fff;border-bottom:1px solid var(--line);padding:16px;box-shadow:0 16px 24px rgba(0,0,0,.06);flex-direction:column;align-items:stretch;margin:0;gap:0}.primary-nav.is-open{display:flex}.primary-nav a{padding:11px 16px}.hero-inner{padding:64px 0 72px}.hero-copy h1{font-size:40px}.hero-copy p{font-size:16px;line-height:1.55}.hero-actions{margin-top:32px}.download-row{gap:10px}.pill-button{padding:10px 16px;font-size:13px}.hero-product{margin-top:52px}.learn-section{padding:64px 0 76px}.section-intro h2{font-size:31px;line-height:1.32}.quick-card{padding:24px;margin-top:36px;gap:24px}.quick-copy h3{font-size:25px}.quick-visual{height:240px}.section-row{align-items:start;margin:42px 0 28px;flex-direction:column;gap:16px}.section-row h3{font-size:25px}.feature-grid{grid-template-columns:1fr;gap:14px}.feature-card{height:260px}.bottom-cta{padding:84px 0}.bottom-cta h2{font-size:31px}.footer-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}.footer-columns>div{white-space:normal}.site-footer{padding:60px 0 40px}.footer-bottom{align-items:start;flex-direction:column;gap:12px}.tutorial-main{padding-top:32px;padding-bottom:72px}.tutorial-heading{padding-top:24px}.tutorial-heading h1{font-size:34px}.tutorial-sidebar{overflow:auto;max-height:none;flex-wrap:nowrap;align-items:center;padding:12px;border-radius:12px}.tutorial-sidebar h2,.tutorial-sidebar .sidebar-label{display:none}.tutorial-sidebar a{flex:none}.article-heading h2{font-size:24px}.media-stage{height:330px}.motion-large{width:88%}.motion-stage-copy{top:18px;left:20px}.media-caption{font-size:12px;gap:8px;align-items:flex-start;flex-direction:column;padding:12px 16px}.media-caption strong{min-width:0}.preparation{padding:20px}.step-grid{grid-template-columns:1fr;gap:12px}.step-card{min-height:0;padding:18px}.step-content h4{font-size:18px}.tutorial-footer .container{align-items:flex-start;flex-direction:column}.tutorial-footer nav{gap:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.pill-button,.rect-button,.feature-card{transition:none}.pill-button:hover,.rect-button:hover,.feature-card:hover{transform:none}}
.step-content .step-note{margin-top:8px;padding:8px 10px;border-radius:8px;background:#f5f6f7;color:var(--muted);font-size:13px;line-height:20px}
.feature-card{height:auto;min-height:278px}
.feature-card>p{white-space:normal;overflow:visible;text-overflow:clip}
.quick-card,.tutorial-sidebar,.preparation,.help-panel{background:#f7f7f8;border:1px solid #ededf0}
.quick-card{border-radius:20px}
.rect-button{border-radius:999px;background:var(--ink)}
.feature-card{background:#f8f8fa;border:1px solid #ededf0;box-shadow:0 1px 2px rgba(20,20,25,.025)}
.feature-card:hover{box-shadow:0 12px 28px rgba(20,20,25,.075)}
.feature-visual{background:#eeeff1}
.step-card{border-color:#e7e7eb}
.icp-link{margin-left:10px;white-space:nowrap}
.icp-link:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.qr-dialog{width:min(360px,calc(100% - 32px));max-height:90vh;overflow:auto;border:0;border-radius:20px;padding:20px;background:#fff;color:var(--ink);box-shadow:0 24px 60px rgba(0,0,0,.24);text-align:center}
.qr-dialog::backdrop{background:rgba(0,0,0,.6);backdrop-filter:blur(8px)}
.qr-dialog-close{position:absolute;right:12px;top:12px;width:32px;height:32px;display:grid;place-items:center;border:0;border-radius:50%;background:#ececee;color:var(--ink);font-size:22px;line-height:1}
.qr-dialog-close:hover{background:#dddde0}
.qr-dialog-title{font-size:17px;line-height:24px;margin:4px 36px 16px;font-weight:650}
.qr-dialog-image{width:100%;height:auto;max-height:70vh;object-fit:contain;border-radius:12px}
.qr-dialog-desc{color:var(--muted);font-size:13px;line-height:20px;margin-top:12px}
.quick-video{width:100%;height:100%;object-fit:contain;background:#111}
.motion-companion{background:#eeefef;border-radius:18px;padding:28px;display:flex;flex-direction:column;align-items:center;gap:14px}.motion-companion h3{align-self:flex-start;font-size:18px}.motion-companion .motion-large{width:min(78%,700px)}
