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/* Matched against the reference at 1440 × 1000 and 390 × 844. */
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20px;white-space:nowrap}.demo-access-form .pill-button:disabled{opacity:.5;cursor:default;transform:none}.hero-meta{display:none}.hero-mock{width:448px;height:612.4px;min-height:0;border:0;border-radius:24px;box-shadow:var(--shadow);flex-shrink:0}.hero-mock .chrome{height:36px;padding:0 20px;font-size:13px;line-height:18.85px;letter-spacing:1.3px;gap:16px;border:0}.hero-mock .traffic{gap:8px;margin-right:4px}.hero-mock .traffic i{width:10px;height:10px;background:#d4d4d4}.hero-mock-body{padding:24px}.user-message{display:block;width:85%;min-height:69px;margin:0 0 0 auto;text-align:left;padding:12px 16px;border-radius:24px 4px 24px 24px;font-size:15px;line-height:22.5px;letter-spacing:.075px}.assistant-shell{margin-top:24px;border-radius:20px;background:var(--card);padding:16px;min-height:435px;transition:opacity .5s}.assistant-label{margin:0;font:13px/18.85px GeistMono,monospace;color:var(--coral);letter-spacing:1.3px}.assistant-greeting{margin-top:8px;font-size:15px;line-height:24.375px;letter-spacing:.075px}.term-card{padding:16px;margin-top:16px;border:0;background:var(--surface);border-radius:20px}.term-card h3{font-size:15px;line-height:22.5px;letter-spacing:.075px}.term-card .full-name{font:13px/18.85px Geist,sans-serif;letter-spacing:.26px;margin-top:4px}.term-card .nested{background:var(--card);padding:12px;border-radius:16px;margin-top:16px}.nested small{font:13px/18.85px GeistMono,monospace;letter-spacing:1.3px;color:var(--muted)}.nested p{font-size:15px;line-height:24.375px;letter-spacing:.075px;margin-top:4px;color:var(--ink)}.tags{gap:8px;margin-top:12px}.tags span{font-size:13px;line-height:18.85px;letter-spacing:.26px;padding:4px 10px;border-radius:99px;background:var(--card);border:1px solid var(--border)}.card-link{font-size:15px;line-height:22.5px;letter-spacing:.075px;font-weight:600;margin-top:16px}.mobile-hero-card{display:none}.hero-spacer{height:224px;background:var(--bg)}.section-intro{padding:112px 0 16px}.section-intro .eyebrow,.standard-section>.container>.eyebrow,.faq-grid>div>.eyebrow{color:var(--muted)}.section-intro h2{margin-top:12px;letter-spacing:-2.52px}.step-band{padding:128px 0;min-height:716px;height:716px}.step-grid{height:460px;gap:64px}.step-visual{display:flex;justify-content:center;min-width:0;height:460px}.step-visual>.mockup{width:100%;max-width:560px;height:460px;min-height:0;display:flex;flex-direction:column;border:0;border-radius:24px;box-shadow:var(--shadow)}.step-copy h2{margin:12px 0 16px;letter-spacing:-2.52px}.step-copy>p{font-size:18px;line-height:27.9px;letter-spacing:-.09px;max-width:none}.eyebrow{font-size:13px;line-height:18.85px;letter-spacing:1.3px;text-transform:none}.mockup>.chrome{height:36px;flex-shrink:0;padding:0 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.reset-graph{padding-right:8px}.graph-mock #knowledge-graph{height:auto;min-height:0;width:100%;flex:1;overflow:hidden}.graph-mock #knowledge-graph text{font:11px Geist,sans-serif;fill:var(--ink)}.graph-legend{font:13px/19px Geist,sans-serif;padding:12px 14px 8px;gap:16px;flex-shrink:0}.graph-legend span:before{font-size:9px;margin-right:4px}.graph-legend span:nth-child(3):before{color:var(--coral)}.graph-legend span:nth-child(4):before{color:var(--muted)}.graph-legend span:nth-child(5):before{color:#132034}.graph-note{padding:0 16px 10px;font:9px/13px GeistMono,monospace}.files-grid{flex:1}.file-preview h3{font-size:28px}.file-preview p{font-size:15px;line-height:24px}.file-nav{font-size:12px}.file-nav button{font-size:11px}.summary-item{font-size:15px;line-height:23px}.summary-item small{font-size:12px}.standard-section{padding:160px 0}.section-title{letter-spacing:-2.52px}.setup-grid{gap:40px;margin-top:64px}.setup-grid .number{font-family:Geist,sans-serif;font-size:112px;line-height:112px;font-weight:700;letter-spacing:-5.04px;margin-bottom:16px}.setup-grid h3{font-size:32px;line-height:36px;letter-spacing:-.8px;margin-bottom:16px}.setup-grid p{font-size:18px;line-height:27.9px;letter-spacing:-.09px}.why{padding:0}.why .container{max-width:768px}.why-main{padding:160px 0}.why .section-title{white-space:normal}.why-grid{display:block;margin-top:48px}.why blockquote{margin:0;font-size:24px;line-height:33.6px;letter-spacing:-.36px}.why-grid p{font-size:20px;line-height:31px;letter-spacing:-.1px;margin-top:32px}.comparison{border:0;border-radius:0;box-shadow:none;margin-top:48px}.comparison-row{background:transparent!important;border:0;gap:32px;padding:14px 0}.comparison-row:first-child{font:13px/19px GeistMono,monospace;letter-spacing:1px}.comparison-row:not(:first-child) span{padding-top:12px;border-top:1px solid var(--border);font-size:18px;line-height:28px}.comparison-row:not(:first-child) span:last-child{font-weight:600}.languages{border:0;display:block;margin:0;padding:176px 0}.languages>strong{display:block;font-size:40px;line-height:44px;letter-spacing:-1.2px;margin-bottom:40px}.languages>span{display:block;font-size:20px;font-style:italic;line-height:31px;margin-top:24px}.provider-card{grid-template-columns:1fr;gap:24px;padding:32px;border-radius:20px;transition:background .2s,border-color .2s}.provider-card:hover{border-color:var(--coral);background:linear-gradient(120deg,color-mix(in srgb,var(--coral) 5%,var(--bg)),var(--bg))}.provider-symbol{display:grid;place-items:center;width:48px;height:48px;border:1px solid var(--border);border-radius:50%;font-size:26px;color:var(--ink)}.provider-card h3{font-size:32px;margin-top:24px}.provider-card p{font-size:18px;line-height:28px}.provider-card details{font-size:15px;padding:12px 0;font-weight:600}.provider-card details p{font-size:13px;line-height:19px;font-style:italic;font-weight:400}.provider-card summary{list-style:none;display:flex;justify-content:space-between}.provider-card summary:after{content:'+';border:1px solid var(--border);border-radius:50%;width:20px;height:20px;text-align:center;font-size:15px;line-height:18px}.provider-card details[open] summary:after{transform:rotate(45deg)}.faq-grid{grid-template-columns:4fr 8fr;gap:48px}.faq-items details{padding:24px 0}.faq-items details:first-child{padding-top:24px}.faq-items details:last-child{border-bottom:0}.faq-items summary{font-size:24px;line-height:33.6px;letter-spacing:-.36px}.faq-items p{font-size:20px;line-height:31px;letter-spacing:-.1px;margin-top:16px}.faq-items summary:after{color:var(--muted)}.closing h2{max-width:850px}.closing .hero-cta{margin-top:40px}.closing .demo-access-form{margin-left:auto;margin-right:auto}.closing-stats{gap:80px}.js-reveal{transform:translateY(40px);transition:opacity .6s ease-out,transform .6s ease-out}.scene-item{transition:opacity .5s,transform .5s}.scene-item.scene-wait{opacity:0;transform:translateY(8px)}.auto-cursor:after{content:'▏';color:var(--gold);animation:blink 1s infinite}
@media(min-width:768px) and (max-width:1023px){.hero{padding-top:160px;padding-bottom:128px}.container{padding:0 24px}.hero h1{font-size:112px;line-height:112px}.hero-grid{gap:48px}.hero-mock{width:100%}.step-band{height:auto;min-height:0;padding:112px 0}.step-grid{height:auto;grid-template-columns:1fr;gap:40px}.step-band:nth-child(odd) .step-copy,.step-band:nth-child(odd) .step-visual{order:initial}.step-copy h2{font-size:72px}.section-intro{padding-top:96px}.hero-spacer{height:192px}.header-actions{gap:16px}nav{position:static;transform:none;gap:22px}.brand{font-size:14px}.header-inner{gap:20px}.header-actions .pill-button{font-size:13px;padding:8px 16px}}
@media(max-width:767px){.container{padding:0 16px}.header-inner{height:64px}.brand{font-size:16px}.header-actions,header nav{display:none}.menu-toggle{display:grid;place-items:center;width:24px;height:24px;padding:0}.menu-toggle.open svg path{d:path('M6 6L18 18M6 18L18 6')}.mobile-menu{position:absolute;top:64px;left:0;right:0;background:var(--bg);padding:16px;box-shadow:0 10px 20px #00000003}.mobile-menu>a{display:block;padding:15px 12px;font-size:16px}.mobile-menu>.pill-button{width:100%;border-radius:8px;justify-content:flex-start;margin-top:4px;font-size:16px;line-height:24px;padding:13px}.mobile-controls{display:flex;gap:20px;align-items:center;padding:32px 12px 8px}.mobile-menu .language-menu{left:0;right:auto}.hero{padding:128px 0}.hero-grid{grid-template-columns:1fr;gap:64px}.hero-copy{min-height:0}.hero h1,html[lang=zh-CN] .hero h1{font-size:72px;line-height:75.6px;letter-spacing:-2.52px}.hero-eyebrow{margin-bottom:16px;gap:12px;font-size:13px;line-height:18.85px}.eyebrow-description{max-width:100%;align-items:center}.hero-symbol{margin-bottom:24px}.hero-copy>p{font-size:20px;line-height:31px;margin-top:24px}.mobile-hero-card{display:block;position:relative;margin-top:24px;padding:16px;border-radius:24px;border:1px solid var(--border);background:var(--surface);min-height:130px}.mobile-hero-card strong{font-size:15px;font-weight:600;line-height:22.5px}.mobile-hero-card small{font-size:13px;line-height:18.85px;letter-spacing:.26px;color:var(--muted);display:block;margin-top:4px;padding-right:60px}.mobile-hero-card .term-monogram{position:absolute;right:16px;top:16px;background:#c9a9611a;color:var(--gold);font:10px/19px GeistMono,monospace;padding:1px 7px;border-radius:99px}.mobile-hero-card .card-link{margin-top:12px}.hero-cta{margin-top:40px}.demo-access-form{display:flex;flex-direction:column;align-items:stretch;gap:8px;max-width:384px}.demo-access-form input{width:100%;height:52px;flex:none}.demo-access-form .pill-button{width:100%;height:52px;padding:14px 20px}.hero-mock-wrap{display:flex}.hero-mock{width:100%;max-width:448px;height:auto;min-height:612px}.hero-mock-body{padding:24px}.user-message{font-size:15px}.assistant-shell{min-height:0}.hero-spacer{height:128px}.section-intro{padding:80px 0 16px}.section-intro h2,.section-title,.step-copy h2,.closing h2,html[lang=zh-CN] .section-title,html[lang=zh-CN] .section-intro h2,html[lang=zh-CN] .step-copy h2,html[lang=zh-CN] .closing h2{font-size:40px;line-height:44px;letter-spacing:-1.2px}.step-band{height:auto;min-height:0;padding:80px 0}.step-grid{height:auto;gap:40px;grid-template-columns:1fr}.step-band:nth-child(odd) .step-copy,.step-band:nth-child(odd) .step-visual{order:initial}.step-copy>p{font-size:18px;line-height:27.9px}.step-visual{height:460px}.step-visual>.mockup{height:460px;max-width:560px}.mock-content{padding:24px 20px}.field-label{margin:16px 0 7px}.chip{font-size:11px;padding:6px 10px}.mock-footer{font-size:11px;padding:12px 16px}.mock-footer .next{font-size:12px;padding:10px 15px}.mockup>.chrome{font-size:11px;gap:7px}.mockup>.chrome>.traffic i{width:10px;height:10px}.mockup>.chrome>.traffic{left:12px;gap:4px}.graph-legend{font-size:10px;gap:9px;flex-wrap:wrap}.graph-toolbar{padding:12px 8px 0}.graph-tabs button,.reset-graph{font-size:12px;padding:2px 9px}.graph-mock #knowledge-graph{height:auto;min-height:0}.graph-note{font-size:8px;line-height:12px}.standard-section{padding:112px 0}.setup-grid{grid-template-columns:1fr;gap:48px}.setup-grid .number{font-size:112px;line-height:112px}.setup-grid h3{font-size:32px}.why{padding:0}.why .container{padding:0 16px}.why-main{padding:112px 0}.why-grid{margin-top:48px}.why blockquote{font-size:24px;line-height:33.6px}.comparison-row{gap:24px}.languages{padding:128px 0}.languages>strong{font-size:32px;line-height:36px}.provider-card{padding:32px;gap:24px}.provider-card h3{font-size:28px}.provider-card p{font-size:16px;line-height:25px}.faq-grid{grid-template-columns:1fr;gap:48px}.faq-items summary{font-size:24px;line-height:33.6px}.faq-items p{font-size:20px;line-height:31px}.faq-items details:first-child{padding-top:24px}.closing{padding:128px 0}.closing>div>p{font-size:20px;line-height:31px}.closing .demo-access-form{width:100%}.closing-stats{gap:32px}.closing-stats strong{font-size:26px}.closing-stats span{font-size:10px}footer{padding:64px 0 28px}}
@media(prefers-reduced-motion:reduce){.hero h1 span.word-enter,.scene-item.scene-wait{opacity:1;transform:none}.js-reveal{opacity:1;transform:none}*{transition:none!important;animation:none!important}}
.comparison-title{font-size:24px;line-height:34px;letter-spacing:-.36px;margin-top:48px}.comparison-title+.comparison{margin-top:16px}
/* Final typography tokens measured from the reference. */
html[data-theme=dark]{--bg:#000;--surface:#0f0f0f;--card:#000;--ink:#fff;--muted:#8c8c8c;--border:#1f1f1f;--soft:#161616}
.eyebrow{font-size:12px;font-weight:600;line-height:12px;letter-spacing:1.44px}.hero-eyebrow{font-size:13px;font-weight:400;line-height:18.85px;letter-spacing:.26px;min-height:22.84375px}.hero-eyebrow .beta{font-weight:600}.step-copy>p,.setup-grid p{font-size:17px;line-height:26.35px;letter-spacing:0}.setup-grid h3{font-size:36px;font-weight:700;line-height:43.2px;letter-spacing:-.9px}.demo-access-form input{max-width:223px}.demo-access-form .pill-button{width:153px;flex-shrink:0}nav{left:calc(50% - 24px);font-weight:500}.graph-mock{max-width:none!important;width:100%!important}.faq-items summary{line-height:31.2px}.provider-card h3{font-size:36px;line-height:43.2px;font-weight:700;letter-spacing:-.9px}.languages>strong{font-size:56px;font-weight:700;line-height:61.6px;letter-spacing:-1.68px}
@media(max-width:767px){.hero h1,html[lang=zh-CN] .hero h1{font-size:72px;line-height:75.6px;letter-spacing:-2.52px}.section-intro h2,.section-title,.step-copy h2,.closing h2,html[lang=zh-CN] .section-title,html[lang=zh-CN] .section-intro h2,html[lang=zh-CN] .step-copy h2,html[lang=zh-CN] .closing h2{font-size:56px;line-height:61.6px;letter-spacing:-1.68px}.demo-access-form input{max-width:none}.demo-access-form .pill-button{width:100%}.step-copy>p,.setup-grid p{font-size:17px;line-height:26.35px}.languages>strong{font-size:36px;line-height:43.2px;letter-spacing:-.9px}.provider-card h3{font-size:36px;line-height:43.2px}.faq-grid .section-title{font-size:56px!important;line-height:61.6px!important}}
@media(min-width:768px) and (max-width:1023px){nav{left:auto}.header-inner{justify-content:space-between}.header-actions{gap:14px}}
.hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.hero-copy{min-width:0}.file-nav button{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media(min-width:768px) and (max-width:1023px){.hero h1,html[lang=zh-CN] .hero h1{font-size:clamp(64px,8.5vw,86px);line-height:1.05;letter-spacing:-.035em}}
@media(max-width:767px){.hero-grid{grid-template-columns:minmax(0,1fr)}}
.step-copy{min-width:0}.step-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
@media(max-width:1023px){.step-grid{grid-template-columns:minmax(0,1fr)}}
@media(max-width:380px){.closing-stats{gap:24px}.closing-stats strong{font-size:24px}.closing-stats>div{min-width:0}}