:root{color-scheme:dark;--bg:#10151d;--surface:#171e28;--surface2:#1d2631;--line:#303b48;--text:#f2f5f8;--muted:#aeb9c7;--brand:#97e7d6;--purple:#b8a7ef;--radius:16px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:96px}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,summary:focus-visible{outline:3px solid var(--brand);outline-offset:5px}a:hover{color:var(--brand)}.wrap{max-width:1240px;margin:auto;padding-left:32px;padding-right:32px}.skip{position:fixed;z-index:10;top:-80px;left:16px;background:var(--brand);color:var(--bg);padding:12px}.skip:focus{top:10px}header{border-bottom:1px solid var(--line);background:var(--bg)}.nav{height:88px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;font-size:25px;font-weight:720;gap:10px;letter-spacing:-.8px}.brand img{object-fit:contain}.brand-note{font-size:12px;color:var(--muted);font-weight:400;letter-spacing:1px;margin-left:12px;padding-left:20px;border-left:1px solid var(--line)}nav{display:flex;gap:30px;font-size:14px;color:#c5ced9}.nav-cta{font-size:14px;border:1px solid #53616e;padding:9px 16px;border-radius:7px}.nav-cta span{margin-left:12px}.hero{display:grid;grid-template-columns:.93fr 1.07fr;gap:48px;align-items:center;padding-top:91px;padding-bottom:86px}.eyebrow{font-size:11px;font-weight:650;letter-spacing:2.3px;color:var(--muted);display:flex;align-items:center;gap:9px}.eyebrow>span{height:6px;width:6px;border-radius:50%;background:var(--brand)}h1{font-size:clamp(38px,4.4vw,60px);line-height:1.24;letter-spacing:-2px;font-weight:750;margin:22px 0 26px}.accent{color:var(--brand)}.intro{color:var(--muted);font-size:17px;line-height:1.9;margin:0}.actions{display:flex;gap:25px;align-items:center;margin-top:32px}.button{display:inline-flex;justify-content:center;align-items:center;gap:30px;padding:13px 23px;border-radius:7px;font-size:15px;font-weight:650;line-height:1.5;min-height:48px}.primary{background:var(--brand);color:#102b2a}.primary:hover{background:#b4f1e5;color:#102b2a}.secondary{background:#26313e;color:var(--text);border:1px solid #4b596b}.secondary:hover{background:#303e4c}.text-link{font-size:14px;display:inline-block}.hero-meta{font-size:11px;color:var(--muted);margin-top:22px;display:flex;align-items:center;gap:10px}.hero-meta i{height:3px;width:3px;background:var(--muted);border-radius:50%}.studio{border:1px solid #435362;border-radius:13px;overflow:hidden;background:var(--surface);box-shadow:0 22px 60px #0003;transform:translateY(8px)}.studio-bar{display:flex;align-items:center;padding:13px 16px;gap:16px;font-size:9px;letter-spacing:1.5px;color:var(--muted);border-bottom:1px solid var(--line)}.window-dots{display:flex;gap:4px}.window-dots b{width:6px;height:6px;background:#556272;border-radius:50%}.schematic{margin-left:auto;letter-spacing:0}.studio-content{padding:18px}.canvas-head{display:flex;justify-content:space-between;font-size:12px;margin-bottom:12px}.small-label{font-size:9px;color:var(--muted)}.artboard{position:relative;border-radius:6px;overflow:hidden;background:#14272c}.artboard svg{display:block;width:100%;height:auto}.art-tag{position:absolute;top:14px;left:14px;font-size:10px;background:#101d24;padding:4px 8px;border:1px solid #35545a;color:#b9d7d8;border-radius:3px}.mode-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin:13px 0}.mode-strip span{font-size:10px;padding:7px 0;text-align:center;border:1px solid var(--line);border-radius:4px;color:var(--muted)}.mode-strip 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p{font-size:13px;color:var(--muted);line-height:1.9;min-height:74px}.feature-tag{display:inline-block;font-size:10px;padding-top:16px;color:#c4cdd7;letter-spacing:1px}.fineprint{font-size:11px;color:#92a1b3;margin-top:20px}.workflow-section{background:#141b24;border-top:1px solid #25303b;border-bottom:1px solid #25303b}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:50px;margin-top:45px}.step-num{display:flex;align-items:center;gap:15px;color:var(--brand);font-family:monospace;font-size:28px;border-bottom:1px solid var(--line);padding-bottom:15px}.step-num span{font-size:11px;color:var(--muted);font-family:inherit}.steps h3{margin-top:21px}.steps p{font-size:14px;color:var(--muted);line-height:1.9}.billing-note{margin-top:40px;display:flex;align-items:center;gap:20px;padding:24px;background:#1c2730;border-radius:9px;border:1px solid #35434c}.billing-icon{font-size:37px;color:var(--brand)}.billing-note h3{font-size:16px;margin:0 0 5px}.billing-note p{font-size:12px;color:var(--muted);margin:0}.billing-note a{margin-left:auto;white-space:nowrap;color:var(--brand);font-size:12px}.download-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.download-card{border:1px solid #49635f;background:#19262a;padding:32px;border-radius:12px}.download-card.mac{background:var(--surface);border-color:var(--line)}.download-heading{display:flex;justify-content:space-between;align-items:center}.platform-icon{font-size:38px;line-height:1;color:var(--brand)}.mac .platform-icon{color:var(--purple)}.badge{font-size:10px;letter-spacing:.5px;background:#283e3e;color:#a6e4d9;padding:5px 10px;border-radius:4px}.badge.muted{color:#c3b6ec;background:#302e42}.download-card h3{font-size:25px;margin:21px 0 7px}.version{font-size:13px;color:var(--muted);margin:0 0 24px}.version span{margin:0 8px}.full{width:100%;justify-content:space-between}.download-notice{font-size:12px;line-height:1.85;color:var(--muted);margin:18px 0 0}.mac-gate{border:0!important}.mac-gate summary{list-style:none}.mac-gate summary::-webkit-details-marker{display:none}.preview-info{padding:20px 0 0;font-size:13px;color:#d6dbe4}.preview-info p{color:var(--muted)}.preview-info a{color:var(--brand)}.faq-section{border-top:1px solid var(--line);display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}.faq-intro{color:var(--muted);font-size:14px}.faq-list details{border-bottom:1px solid var(--line);padding:19px 0}.faq-list details:first-child{padding-top:4px}.faq-list summary{cursor:pointer;list-style:none;font-size:16px;display:flex;justify-content:space-between;align-items:center;gap:20px;min-height:35px}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:'＋';color:var(--muted);font-size:20px}.faq-list details[open] summary:after{content:'−'}.faq-list p{color:var(--muted);font-size:14px;line-height:1.9;margin:12px 25px 8px 0}footer{border-top:1px solid var(--line)}.footer-inner{display:flex;align-items:center;gap:30px;padding-top:30px;padding-bottom:30px}.footer-inner p{color:var(--muted);font-size:12px}.footer-inner>span{margin-left:auto;color:#92a1b3;font-size:11px}.footer-inner>a:last-child{font-size:12px;color:var(--muted)}
@media(min-width:1450px){.hero{padding-top:110px;padding-bottom:110px}}@media(max-width:1000px){.brand-note{display:none}.hero{gap:28px}h1{font-size:44px}.intro{font-size:15px}.feature{padding:22px 18px}.feature-grid{gap:12px}.capability{font-size:11px}.steps{gap:25px}.section-head>p{font-size:13px}}@media(max-width:760px){.wrap{padding-left:22px;padding-right:22px}.nav{height:auto;min-height:80px;flex-wrap:wrap;padding-top:16px;padding-bottom:16px;gap:15px}.brand{font-size:23px}nav{order:3;width:100%;justify-content:space-between;gap:10px;font-size:13px}.nav-cta{font-size:12px;padding:7px 11px}.hero{grid-template-columns:1fr;padding-top:48px;padding-bottom:48px;gap:36px}h1{font-size:46px;letter-spacing:-1.5px}.intro{font-size:16px}.desktop{display:none}.studio{transform:none}.hero-meta{font-size:11px}.capability{flex-wrap:wrap;gap:18px;justify-content:flex-start}.capability>span{width:100%}.capability strong{font-size:11px}.capability strong:before{margin-right:6px}.section{padding-top:60px;padding-bottom:60px}.section-head{display:block;margin-bottom:26px}h2{font-size:30px}.section-head>p{margin-top:20px}.feature-grid{grid-template-columns:1fr 1fr;gap:12px}.feature{padding:22px 18px}.feature p{min-height:80px;font-size:13px}.steps{grid-template-columns:1fr;gap:24px;margin-top:30px}.steps h3{margin-top:15px}.steps p{margin-bottom:0}.billing-note{flex-wrap:wrap;gap:12px;padding:20px}.billing-icon{display:none}.billing-note a{margin-left:0}.download-grid{grid-template-columns:1fr;gap:18px}.download-card{padding:26px}.faq-section{grid-template-columns:1fr;gap:26px}.footer-inner{flex-wrap:wrap;gap:16px}.footer-inner p{margin:0}.footer-inner>span{width:50%;margin-left:0}.footer-inner>a:last-child{margin-left:auto}.eyebrow{font-size:10px;letter-spacing:1.7px}}@media(max-width:370px){h1{font-size:39px}.wrap{padding-left:18px;padding-right:18px}.feature-grid{grid-template-columns:1fr}.feature p{min-height:0}.flow{font-size:9px}.mode-strip span{font-size:9px}.actions{gap:16px}.button{padding-left:18px;padding-right:18px}.text-link{font-size:12px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* Product demonstration edition 03. A input + B reference -> B output. */
:root{--bg:#090d14;--surface:#121a25;--surface2:#1a2534;--line:#293447;--text:#f5f7fb;--muted:#aab7c8;--brand:#91b2ff;--purple:#baa9f6}header{background:var(--bg)}.nav{height:82px}.nav-cta{border-color:#40506a}.nav-cta:hover{border-color:#7e9fff}.product-hero{padding-top:58px;padding-bottom:60px}.hero-heading{display:flex;align-items:center;justify-content:space-between;gap:50px;margin-bottom:36px}.hero-heading h1{font-size:54px;line-height:1.22;letter-spacing:-1.6px;margin:20px 0 0;font-weight:680}.hero-heading .accent{color:#c1d4ff}.hero-heading .eyebrow{font-size:10px;color:#9dacc4;letter-spacing:2px}.hero-heading .eyebrow>span{background:#7f9eff}.hero-summary{padding-top:10px;min-width:320px}.hero-summary>p:first-child{color:#acbacd;font-size:14px;line-height:1.9;margin:0}.hero-summary .actions{margin-top:22px;gap:25px}.hero-summary .hero-meta{font-size:10px;margin:14px 0 0;color:#8e9eb4}.button{border-radius:8px;min-height:48px;transition:background .15s,border-color .15s}.button:active{transform:translateY(1px)}.primary{background:#627dff;color:#fff}.primary:hover{background:#7890ff;color:#fff}.swap-studio{border:1px solid #344158;border-radius:14px;overflow:hidden;background:#101721}.swap-toolbar{display:flex;justify-content:space-between;align-items:center;padding:15px 22px;border-bottom:1px solid #2b374a;background:#151e2b;gap:14px}.swap-toolbar>div{display:flex;gap:12px;align-items:center}.swap-toolbar strong{font-size:13px;font-weight:600}.swap-toolbar>div>span:last-child{font-size:11px;color:#96a8c1}.studio-mark{height:10px;width:10px;border:2px solid #9db6ff;border-radius:3px}.toolbar-separator{width:1px;height:12px;background:#42516a}.concept-badge{font-size:10px;background:#293448;color:#c5d2e7;padding:3px 9px;border-radius:4px;white-space:nowrap}.swap-labels{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-bottom:1px solid #344158;padding:0 16px;background:#111a27}.swap-labels>div{display:flex;align-items:center;gap:10px;position:relative;padding:17px 16px;min-width:0}.role-letter{width:28px;height:28px;display:grid;place-items:center;background:#25334a;border:1px solid #465b78;border-radius:6px;font:600 12px ui-monospace,monospace;color:#b9c9df;flex-shrink:0}.role-letter.reference{color:#c9bafd;background:#2b2741;border-color:#544c73}.role-letter.output{color:#9fe5d5;background:#193932;border-color:#396b5e}.swap-labels strong{font-size:12px;font-weight:600;display:block;color:#e5ebf5}.swap-labels small{font-size:10px;color:#8fa1bb;display:block;margin-top:2px}.operator{position:absolute;right:-7px;color:#899bb6;font-size:19px;z-index:1}.swap-labels .result-label strong{color:#a0e5d6}.swap-visual{margin:0;background:#0b111a}.swap-visual img{display:block;width:100%;height:auto;object-fit:contain}.swap-visual figcaption{display:flex;justify-content:center;align-items:center;gap:8px;padding:13px 20px;font-size:11px;color:#9eacc1;border-top:1px solid #344158;text-align:center}.caption-dot{width:5px;height:5px;border-radius:50%;background:#8495ae;flex-shrink:0}.swap-footer{padding:16px 22px;border-top:1px solid #29364a;display:flex;justify-content:space-between;gap:20px;align-items:center;background:#141d2a}.swap-footer p{font-size:11px;color:#acbbcf;margin:0}.swap-footer p span{margin:0 10px;color:#6480ab}.swap-footer a{font-size:11px;color:#a8c1ff;white-space:nowrap}.capability{padding-top:26px;padding-bottom:26px;font-size:12px}.capability>span{color:#c3cfdf}.section{padding-top:85px;padding-bottom:85px}h2{font-size:35px;font-weight:640;line-height:1.4}.eyebrow{color:#8fa3bf}.feature-grid{gap:0;border:1px solid var(--line);border-radius:12px;overflow:hidden}.feature{border:0;border-radius:0;padding:28px 25px;border-right:1px solid var(--line);background:#121a25}.feature:last-child{border-right:0}.feature:nth-child(even){background:#151d2a}.feature-no{color:#71829c;right:23px;top:26px}.feature-icon{height:68px;margin-bottom:14px;color:#9ebaff}.feature-icon svg{width:52px;height:52px;fill:none;stroke:currentColor;stroke-width:1.3;stroke-linecap:round;stroke-linejoin:round}.feature h3{font-size:20px}.feature p{line-height:1.9;min-height:76px}.feature-tag{border-top:1px solid #2c394e;display:block;margin-top:12px;color:#8fa3bf;font-size:10px}.workflow-section{background:#0f1621}.steps{gap:42px}.billing-note{background:#172231;border-color:#324158}.download-card{background:#172239;border-color:#3d5279}.download-card.mac{background:#141d29}.download-card h3{font-weight:600}.badge{background:#283c5f;color:#bad0ff}.secondary{background:#25334a;border-color:#455a7b}.faq-list summary{font-size:15px;min-height:38px}.footer-inner{padding-top:30px;padding-bottom:30px}
@media(min-width:1300px){.swap-studio{max-width:1020px;margin-left:auto;margin-right:auto}.hero-heading{max-width:1020px;margin-left:auto;margin-right:auto}}
@media(max-width:1000px){.hero-heading{gap:28px}.hero-heading h1{font-size:48px}.hero-summary{min-width:280px}.feature{padding:24px 18px}.feature p{min-height:100px}.swap-labels{padding:0 8px}.swap-labels>div{padding-left:12px;padding-right:12px}.swap-footer p span{margin:0 6px}}
@media(max-width:760px){.nav{height:auto;min-height:80px}.product-hero{padding-top:36px;padding-bottom:36px}.hero-heading{display:block;margin-bottom:25px}.hero-heading h1{font-size:39px;line-height:1.25;margin-top:16px}.hero-heading .eyebrow{font-size:9px;letter-spacing:1.4px}.hero-summary{min-width:0;padding-top:20px}.hero-summary>p:first-child{font-size:13px}.hero-summary .actions{margin-top:18px}.hero-summary .hero-meta{font-size:10px}.swap-toolbar{padding:12px;gap:8px}.swap-toolbar>div{gap:8px}.swap-toolbar strong{font-size:11px}.swap-toolbar>div>span:last-child{font-size:9px}.concept-badge{font-size:9px;padding:3px 6px}.swap-studio{border-radius:10px}.swap-labels{padding:0;grid-template-columns:repeat(3,minmax(0,1fr))}.swap-labels>div{padding:12px 5px;display:block;text-align:center}.role-letter{width:22px;height:22px;margin:0 auto 6px;font-size:10px;border-radius:5px}.swap-labels strong{font-size:10px;white-space:nowrap}.swap-labels small{display:none}.operator{right:-5px;top:18px;font-size:14px}.swap-visual figcaption{font-size:9px;padding:10px 12px;line-height:1.7}.swap-footer{display:block;padding:12px}.swap-footer p{font-size:9px;line-height:1.8}.swap-footer p span{margin:0 3px}.swap-footer a{display:inline-block;font-size:10px;margin-top:8px}.capability{gap:15px;font-size:11px}.section{padding-top:60px;padding-bottom:60px}h2{font-size:30px}.feature{padding:23px 18px}.feature:nth-child(2){border-right:0}.feature:nth-child(-n+2){border-bottom:1px solid var(--line)}.feature-icon{height:55px}.feature-icon svg{width:44px;height:44px}.feature h3{font-size:18px}.feature p{font-size:12px;min-height:80px}.feature-no{top:23px;right:18px}.steps{gap:26px}.download-card h3{font-size:23px}.faq-list summary{font-size:14px}}
@media(max-width:370px){.hero-heading h1{font-size:35px}.swap-toolbar>div>span:last-child,.toolbar-separator{display:none}.swap-labels strong{font-size:9px}.feature-grid{grid-template-columns:1fr}.feature{border-right:0;border-bottom:1px solid var(--line)}.feature:last-child{border-bottom:0}.feature p{min-height:0}.swap-footer p{font-size:8px}.hero-summary .actions{gap:20px}}
@media(prefers-reduced-motion:reduce){.button{transition:none}.button:active{transform:none}}