:root{--bg:#e7d9cb;--surface:#fff;--fg:#111;--muted:#111111b3;--muted-2:#1111118c;--border:#1111111f;--black:#000;--white:#fff;--inverse-fg:#c2c8cc;--font-body:Almarai, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;--font-heading:"Libre Baskerville", Georgia, "Times New Roman", serif;--container:2000px;--page-pad:clamp(16px, 4vw, 72px)}*,:before,:after{box-sizing:border-box}html,body{height:100%}body{font-family:var(--font-body);color:var(--fg);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0}a{color:inherit;text-decoration:none}.section-dark{background:var(--black);color:var(--inverse-fg);position:relative}.section-dark a{color:inherit}.section-dark--home{background-image:url(/assets/beijing-DI_9-oGQ.jpg);background-position:50%;background-repeat:no-repeat;background-size:cover}.section-dark--home:before{content:"";pointer-events:none;background:#0000008c;position:absolute;inset:0}.section-dark>*{z-index:1;position:relative}.app-shell{flex-direction:column;min-height:100vh;display:flex}.app-main{flex:1}.page{width:100%}.site-header{z-index:30;padding:calc(var(--page-pad) * .5) var(--page-pad);background:0 0;position:fixed;top:0;left:0;right:0}.site-header .header-logo img{filter:none}.header-inner{max-width:var(--container);grid-template-columns:auto 1fr auto;align-items:center;gap:18px;margin:0 auto;display:grid}.header-logo img{width:auto;height:clamp(48px,7.36vw,106px);display:block}.header-nav{justify-content:flex-end;align-items:center;gap:28px;display:flex}.header-link{letter-spacing:.2px;color:var(--header-link-color,var(--inverse-fg));font-size:16px;line-height:1.2}.header-link.router-link-active{text-underline-offset:6px;text-decoration:underline}.app-shell[data-theme=home]{--header-link-color:#fff;--home-edge-left:max(clamp(20px, 3.8vw, 52px), env(safe-area-inset-left,0px));--home-edge-right:clamp(12px, 3vw, 40px)}.app-shell[data-theme=home] .site-header{padding-top:env(safe-area-inset-top,0px);padding-right:var(--home-edge-right);padding-bottom:clamp(4px,1vw,12px);padding-left:var(--home-edge-left)}.app-shell[data-theme=home] .header-inner{width:100%;max-width:none;margin-inline:0}.app-shell[data-theme=inverse]{--header-link-color:var(--inverse-fg)}.header-burger{cursor:pointer;background:0 0;border:0;padding:10px;display:none}.burger-lines{gap:7px;display:grid}.burger-lines span{background:var(--header-link-color,var(--inverse-fg));width:28px;height:1px;display:block}@media (width<=767px){.header-nav{display:none}.header-burger{justify-self:end;display:inline-flex}}.menu-overlay{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:40;background:#00000040;position:fixed;inset:0}.menu-panel{background:var(--bg);padding:var(--page-pad);border-bottom:1px solid var(--border);position:absolute;inset:0 0 auto}.menu-top{justify-content:space-between;align-items:center;gap:18px;display:flex}.menu-close{font-family:var(--font-body);cursor:pointer;background:0 0;border:0;font-size:16px}.menu-nav{gap:18px;margin-top:28px;display:grid}.menu-link{font-size:18px}.btn{border:1px solid var(--fg);background:var(--fg);color:var(--white);cursor:pointer;border-radius:999px;justify-content:center;align-items:center;padding:14px 22px;font-size:16px;line-height:1;display:inline-flex}.btn.btn-secondary{color:var(--inverse-fg);border-color:var(--inverse-fg);background:0 0;width:max-content}.hero-section,.content-section,.contact-section{padding:calc(var(--page-pad) * 1.2) var(--page-pad)}.hero-section.section-dark,.content-section.section-dark,.contact-hero.section-dark{padding-top:calc(clamp(72px, 8vw, 140px) + (var(--page-pad) * .6))}.home-hero-stack{flex-direction:column;justify-content:flex-start;min-height:100svh;display:flex}.home-hero-stack .hero-section.home-hero-top{min-height:0;padding-top:calc(env(safe-area-inset-top,0px) + clamp(56px, 8vh, 104px));padding-bottom:clamp(20px,3vh,48px);padding-left:var(--page-pad);padding-right:var(--page-pad);flex-direction:column;flex:auto;justify-content:center;align-items:flex-start;display:flex}.app-shell[data-theme=home] .home-hero-stack .hero-section.home-hero-top{padding-left:var(--home-edge-left);padding-right:var(--home-edge-right)}.home-hero-stack .hero-inner{width:100%;max-width:min(88rem, calc(100vw - 2 * var(--page-pad)));margin:0;gap:clamp(18px,2.6vh,30px);margin-inline:0}.app-shell[data-theme=home] .home-hero-stack .hero-inner{max-width:min(88rem, calc(100vw - var(--home-edge-left) - var(--home-edge-right)))}.home-hero-stack .hero-kicker{letter-spacing:-.02em;white-space:normal;max-width:100%;margin:0;font-size:clamp(1.5rem,2.05vw,2.35rem);line-height:1.2}.home-hero-stack .home-hero-marquee{flex:none;width:100%;margin-top:auto;padding-bottom:0}.home-hero-stack .home-hero-marquee .marquee{border-top:none;border-bottom:none;padding:clamp(12px,2vh,28px) 0 clamp(4px,1vh,16px)}.btn-hero-ghost{font-family:var(--font-body);letter-spacing:.02em;min-width:min(264px,100%);min-height:52px;margin-top:.125rem;padding:16px 40px;font-size:15px;line-height:1.2;color:#fff!important;border-color:#ffffffeb!important}.about-hero-inner{grid-template-columns:1fr 500px;align-items:start;gap:clamp(24px,4vw,64px);display:grid}.about-hero-media 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auto}.hero-inner{align-content:start;justify-items:start;gap:22px;display:grid}.hero-kicker{max-width:none;font-family:var(--font-heading);letter-spacing:-.02em;color:#fff;font-size:clamp(28px,3.2vw,44px);font-weight:400;line-height:1.1424}h1,h2,h4{font-family:var(--font-heading);letter-spacing:-.02em;margin:0;font-weight:400}h1{font-size:clamp(44px,6.2vw,80px);line-height:1.05}h2{font-size:clamp(22px,3vw,34px);line-height:1.15}h4{font-family:var(--font-body);letter-spacing:.02em;text-transform:none;font-size:14px;font-weight:700}p{margin:0}.lead{max-width:980px;color:var(--inverse-fg);margin-top:18px;font-size:18px;line-height:1.7}.marquee-section{padding:0}.marquee-section.section-dark--home:not(.home-hero-marquee){padding-bottom:clamp(120px,26vh,260px)}.marquee{border-top:1px solid #ffffff2e;border-bottom:1px solid #ffffff2e;width:100%;padding:3% 0;overflow:hidden}.marquee-track{will-change:transform;animation:marquee var(--duration,56s) linear 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.label,.contact-section[data-variant=dark] .req{color:#ffffffb3}.contact-section[data-variant=dark] input,.contact-section[data-variant=dark] textarea{color:#fff;background:0 0;border-color:#ffffff59}.contact-section[data-variant=dark] input:focus,.contact-section[data-variant=dark] textarea:focus{border-color:#fff9}.contact-section[data-variant=dark] .btn{background:var(--inverse-fg);border-color:var(--inverse-fg);color:#000}.two-col{grid-template-columns:1fr 1fr;gap:14px;display:grid}@media (width<=767px){.two-col{grid-template-columns:1fr}}.field.checkbox{grid-template-columns:auto 1fr;align-items:center;gap:10px}.field.checkbox input{border-radius:4px;width:16px;height:16px}.contact-form{gap:14px;display:grid}.field{gap:8px;display:grid}.label{color:var(--muted-2);font-size:14px}.req{color:var(--muted-2);font-weight:400}input,textarea{border:1px solid 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1fr;align-items:start;gap:clamp(18px,3vw,48px);margin:0 auto;display:grid}@media (width<=767px){.footer-inner{grid-template-columns:1fr}}.site-footer h2{color:var(--white)}.site-footer h4{color:#ffffffb3;margin-bottom:10px}.site-footer p{color:#ffffffd1;margin-bottom:12px;line-height:1.7}