@font-face{font-family:Yunyu Inter;src:url(/fonts/inter-latin.woff2)format("woff2");font-style:normal;font-weight:100 900;font-display:swap}@font-face{font-family:Yunyu Sans SC;src:url(/fonts/noto-sans-sc-subset.woff2)format("woff2");font-style:normal;font-weight:100 900;font-display:swap}@font-face{font-family:Yunyu Serif SC;src:url(/fonts/noto-serif-sc-subset.woff2)format("woff2");font-style:normal;font-weight:100 900;font-display:swap}:root{--bg:#0f1011;--bg-elevated:#161819;--bg-soft:#1d2022;--text-primary:#f0ede6;--text-secondary:#999;--text-tertiary:#858780;--line:#ffffff14;--line-strong:#ffffff29;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-12:48px;--content-width:1440px;--page-padding:clamp(20px, 4vw, 56px);--space-section:clamp(80px, 10vw, 140px);--header-height:64px;--scroll-margin-top:calc(var(--header-height) + var(--space-4));--demo-sidebar-width:216px;--demo-workspace-min-height:520px;--control-min-size:44px;--demo-entry-offset:8px;--demo-press-scale:.98;--text-demo-title:20px;--text-demo-big:32px;--text-demo-body:14px;--text-demo-caption:12px;--radius-sm:2px;--radius-md:4px;--font-serif:"Yunyu Serif SC", "Songti SC", STSong, Georgia, serif;--font-sans:"Yunyu Inter", "Yunyu Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono:ui-monospace, "SFMono-Regular", Consolas, "Yunyu Sans SC", monospace;--duration-fast:.12s;--duration-normal:.2s;--duration-slow:.32s;--duration-stagger:60ms;--ease-out:cubic-bezier(.16, 1, .3, 1);--paper:#eae6dc;--paper-muted:#dfdbd1;--ink:#252824;--ink-muted:#60645d;--paper-line:#2528242e;--hero-type:clamp(38px, 5.2vw, 76px);--answer-type:clamp(48px, 5.5vw, 80px);--document-height:340px}.site-header{z-index:100;background-color:var(--bg);border-bottom:1px solid var(--line);height:64px;transition:background-color var(--duration-normal) 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var(--ease-out);font-size:13px;text-decoration:none}.site-header__link:hover{color:var(--text-primary)}.site-header__actions{align-items:center;gap:16px;display:flex}.site-header__mobile-toggle{border:1px solid var(--line);border-radius:var(--radius-sm);width:36px;height:36px;color:var(--text-primary);cursor:pointer;background:0 0;justify-content:center;align-items:center;display:flex}.site-header__mobile-menu{background-color:var(--bg-elevated);border-bottom:1px solid var(--line-strong);padding:24px var(--page-padding);flex-direction:column;gap:16px;display:flex;position:absolute;top:64px;left:0;right:0}@media (width>=860px){.site-header__nav{display:flex}.site-header__mobile-toggle{display:none}}.section-head-bar{font-family:var(--font-mono);letter-spacing:.14em;color:var(--text-tertiary);text-transform:uppercase;margin-bottom:28px;font-size:11px}.button{border-radius:var(--radius-sm);min-height:42px;font-family:var(--font-sans);cursor:pointer;transition:background-color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:8px 24px;font-size:13px;font-weight:500;text-decoration:none;display:inline-flex}.button--primary{background-color:var(--text-primary);color:var(--bg);border-color:var(--text-primary)}.button--primary:hover{color:var(--bg);background-color:#fff;border-color:#fff}.text-link{color:var(--text-secondary);cursor:pointer;transition:color var(--duration-fast) var(--ease-out);align-items:center;gap:6px;font-size:13px;text-decoration:none;display:inline-flex}.text-link:hover{color:var(--text-primary)}#demo,#capabilities,#journey,#contact{scroll-margin-top:var(--scroll-margin-top)}.hero-editorial{flex-direction:column;padding-top:clamp(84px,8vw,112px);padding-bottom:clamp(28px,3vw,40px);display:flex;position:relative}.hero-meta-bar{letter-spacing:.12em;color:var(--text-tertiary);border-bottom:1px solid 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