:root{--background:#F4F7FB;--paper:#fff;--surface:#fff;--surface-soft:#EBF1F9;--navy:#182641;--navy-deep:#101B32;--navy-light:#304564;--blue:#2456C8;--blue-deep:#173E96;--blue-soft:#E7EEFC;--lime:#C6E875;--lime-soft:#EFF7D7;--lime-deep:#4B6530;--ice:#BFE6F0;--ice-soft:#EDF8FB;--ice-deep:#246E83;--violet:#756DAB;--violet-soft:#F0EEFA;--orange:#BA6035;--orange-soft:#FFF0E6;--title:#1C2A41;--body:#46546A;--muted:#65748A;--border:#DEE5EF;--divider:#E9EEF5;--shadow:0 16px 48px rgba(24,38,65,.07)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;color:var(--body);background:var(--background);font:16px/1.72 system-ui,-apple-system,'Segoe UI','PingFang SC','Microsoft 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0}.help-entry summary{padding:21px 23px}.faq-badge{font-size:12px;background:var(--surface-soft);padding:4px 10px;border-radius:20px;min-width:90px;text-align:center}.help-body{padding:0 25px 27px}.help-body p{padding:8px 0;border-bottom:1px solid var(--divider)}.help-body p b{display:inline-block;min-width:82px;color:var(--title)}.help-body .text-link{margin-right:24px}.no-results{padding:40px;background:var(--paper);border-radius:13px}.about-statement{display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center}.about-image,.about-statement>.image-fallback{width:100%;height:330px;object-fit:cover;border-radius:20px}.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.timeline>div{border-top:2px solid var(--blue);background:var(--paper);padding:30px;border-radius:0 0 16px 16px}.timeline span{color:var(--blue);font-size:13px;font-weight:800}.timeline h3{margin:15px 0}.error-page{text-align:center;padding:140px 0;min-height:60vh}.site-footer{background:var(--navy-deep);color:#c4d2e4;padding:65px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:38px}.footer-grid>div{display:flex;flex-direction:column;align-items:start;gap:9px}.foot-logo{color:#fff;font-size:22px;font-weight:800}.footer-grid strong{color:#fff}.footer-grid a{font-size:14px}.footer-grid a:hover{color:var(--lime)}.footer-grid p,.footer-grid small{font-size:13px}.footer-bottom{display:flex;justify-content:space-between;gap:15px;border-top:1px solid #34415a;margin-top:45px;padding-top:20px;font-size:12px}.bottom-nav{display:none}.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}[hidden]{display:none!important}
@media(max-width:1180px){.brand-small{display:none}.main-nav{gap:12px}.main-nav a{font-size:13px}.platform-grid{grid-template-columns:repeat(2,1fr)}.device-strip{grid-template-columns:repeat(4,1fr)}.device-strip>a{grid-column:1/-1;text-align:center}}
@media(max-width:900px){.shell{width:min(100% - 48px,1320px)}.main-nav,.nav-download{display:none}.menu-button{display:block}.mobile-nav{display:block;position:absolute;right:24px;left:24px;top:78px;background:var(--paper);border:1px solid var(--border);border-radius:15px;box-shadow:var(--shadow);z-index:3}.mobile-nav nav{display:grid;padding:15px}.mobile-nav a{padding:11px;border-bottom:1px solid var(--divider)}.nav-shade{display:block;position:fixed;inset:72px 0 0;background:#0612267a;z-index:2}.hero{grid-template-columns:1fr;padding-top:46px}.hero-visual{min-height:370px}.category-track{grid-template-columns:repeat(2,1fr)}.split-visual,.two-columns,.about-statement{grid-template-columns:1fr}.feature-layout{grid-template-columns:1fr;gap:25px}.feature-index{position:static;display:flex;flex-direction:row;overflow-x:auto}.feature-index strong{display:none}.feature-index a{white-space:nowrap}.security-content{grid-template-columns:1fr}.security-index{position:static;display:flex;flex-wrap:wrap;gap:15px}.security-index strong{width:100%}.footer-grid{grid-template-columns:repeat(2,1fr)}.workspace-layout{grid-template-columns:1fr 1fr}.section-space{margin-top:75px;margin-bottom:75px}}
@media(max-width:600px){.shell{width:calc(100% - 32px)}.site-header,.topbar{height:65px}.brand strong{font-size:18px}.header-actions{gap:5px}.icon-button{width:40px;height:40px}.mobile-nav{top:70px;left:12px;right:12px}.hero{padding-top:34px;gap:26px}.hero h1{font-size:clamp(29px,8vw,36px)}.hero-copy>p,.page-intro p{font-size:15px}.hero-visual{min-height:320px;padding:12px}.browser-mock{transform:none}.mock-panel{min-height:130px;padding:12px}.mock-panel b{font-size:14px}.mock-pills span{font-size:8px}.mock-content{gap:6px}.section-space{margin-top:65px;margin-bottom:65px}.section-heading{align-items:start;flex-direction:column;gap:9px}.section-heading h2{font-size:27px}.category-track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:10px}.category-tile{min-width:220px;scroll-snap-align:start}.path-line{padding:13px;display:grid;grid-template-columns:1fr}.path-line>i{transform:rotate(90deg);text-align:center;font-size:14px}.path-line>div{padding:8px 12px}.dark-band{padding:55px 0}.split-visual{gap:28px}.reading-stage{grid-template-columns:1fr}.reading-controls,.reading-preview{padding:20px}.device-strip{grid-template-columns:repeat(2,1fr)}.shortcut-row,.faq-preview,.workspace-layout,.platform-grid,.timeline{grid-template-columns:1fr}.feature-statement{padding:25px;min-height:0}.feature-chapter{padding:22px;margin-bottom:22px}.chapter-grid{grid-template-columns:1fr}.chapter-top{flex-direction:column;align-items:start}.chapter-emoji{font-size:30px}.page-intro{padding-top:52px;padding-bottom:34px}.page-intro h1{font-size:clamp(29px,8vw,36px)}.security-banner{grid-template-columns:1fr;padding:24px}.security-index{gap:6px 12px}.security-index a{font-size:12px}.security-accordion summary,.help-entry summary{padding:18px 15px;gap:10px}.help-entry summary{flex-wrap:wrap}.help-entry summary strong{flex-basis:65%}.faq-badge{min-width:0}.help-body{padding:0 16px 18px}.help-body p b{display:block}.download-header{flex-direction:column;align-items:start;padding:24px}.install-steps{grid-template-columns:1fr}.tool-panel{padding:22px}.inline-form{flex-wrap:wrap}.inline-form input{flex-basis:100%}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child,.footer-grid>div:last-child{grid-column:1/-1}.site-footer{padding-bottom:85px}.footer-bottom{flex-direction:column}.bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;height:60px;background:var(--paper);border-top:1px solid var(--border);z-index:40;justify-content:space-around;align-items:center;padding-bottom:env(safe-area-inset-bottom)}.bottom-nav a{font-size:13px;color:var(--title);font-weight:700}.closing-banner{padding:45px 19px}}
@media(max-width:360px){.brand strong{font-size:16px}.browser-mock{padding:9px}.mock-pills{display:none}.header-actions{gap:3px}.btn{padding:9px 14px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child,.footer-grid>div:last-child{grid-column:auto}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

.brand-logo{width:110px;height:32px;object-fit:contain}.visual-library{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.visual-library figure,.scene-gallery figure{margin:0;background:var(--paper);border-radius:15px;overflow:hidden;border:1px solid var(--border)}.visual-library img,.visual-library .image-fallback,.scene-gallery img,.scene-gallery .image-fallback{width:100%;aspect-ratio:16/10;object-fit:cover;min-height:0}.visual-library figcaption,.scene-gallery figcaption{font-size:14px;font-weight:750;color:var(--title);padding:12px 16px}.scene-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.reading-art{border-radius:20px;overflow:hidden;position:relative;min-height:150px;background:var(--ice-soft);display:flex;align-items:center;gap:30px}.reading-art img,.reading-art .image-fallback{width:43%;height:180px;object-fit:cover}.reading-art span{font-size:20px;font-weight:750;max-width:430px;padding:20px;color:var(--title)}@media(max-width:900px){.visual-library{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:600px){.visual-library,.scene-gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.reading-art{display:block}.reading-art img,.reading-art .image-fallback{width:100%;height:140px}.reading-art span{display:block;font-size:16px}}