:root{--brand: oklch(.6 .17 160);--brand-foreground: oklch(1 0 0);--brand-muted: oklch(.95 .02 160);--brand-accent: oklch(.75 .15 85);--brand-accent-muted: oklch(.95 .04 85)}:root{--brand: oklch(.44 .11 158);--brand-strong: oklch(.3 .07 162);--brand-foreground: oklch(.99 .01 150);--brand-muted: oklch(.96 .02 158);--brand-accent: oklch(.8 .13 83);--brand-accent-strong: oklch(.62 .12 72);--brand-accent-muted: oklch(.96 .03 85);--on-accent: oklch(.28 .05 82);--pine: oklch(.255 .05 161);--hero-fg: oklch(.97 .012 150);color-scheme:light;--background: #fbfdfb;--foreground: #10201a;--muted: #5d726a;--line: #dfe8e3;--line-strong: #cbd9d2;--surface: #ffffff;--surface-soft: #f2f8f4;--shadow-sm: 0 1px 2px rgba(16, 32, 26, .05);--shadow-md: 0 18px 44px rgba(16, 32, 26, .12);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--background);color:var(--foreground);text-rendering:optimizeLegibility}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}h1,h2,h3,p{margin-top:0}p{color:var(--muted);line-height:1.7}h1,.demo-copy h2,.mission h2,.simple-page h1{font-family:"Instrument Serif",Georgia,Times New Roman,serif;font-weight:400;letter-spacing:0}[data-locale=zh] h1,[data-locale=zh] .demo-copy h2,[data-locale=zh] .mission h2,[data-locale=zh] .simple-page h1{font-family:"Noto Serif TC",serif;font-weight:600;letter-spacing:.01em}.container{margin:0 auto;width:calc(100% - 32px);max-width:1120px}.site-header{background:var(--pine)}.site-header--overlay{position:absolute;top:0;left:0;right:0;z-index:10;background:transparent}.locale-switch{font-size:.88rem;letter-spacing:.02em}.site-header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:64px;width:calc(100% - 32px);max-width:1120px;margin:0 auto}.brand-link{display:inline-flex;align-items:center}.brand-wordmark{font-family:"Instrument Serif",Georgia,serif;font-weight:400;font-size:1.8rem;line-height:1;letter-spacing:.01em;color:var(--hero-fg);white-space:nowrap}.brand-wordmark--zh{font-family:"Noto Serif TC",serif;font-weight:600;font-size:1.6rem;letter-spacing:.1em}.nav-primary{display:flex;align-items:center;gap:30px}.nav-primary a{color:color-mix(in oklab,var(--hero-fg) 78%,transparent);font-size:.95rem;font-weight:500}.nav-utility{display:flex;align-items:center;gap:22px}.nav-utility a:not(.button){color:color-mix(in oklab,var(--hero-fg) 76%,transparent);font-size:.92rem;font-weight:600}.nav-primary a:hover,.nav-utility a:not(.button):hover{color:var(--hero-fg)}.locale-menu{position:relative}.locale-menu summary{display:inline-flex;align-items:center;gap:7px;min-height:36px;border:1px solid color-mix(in oklab,var(--hero-fg) 22%,transparent);border-radius:8px;background:color-mix(in oklab,var(--hero-fg) 8%,transparent);color:var(--hero-fg);cursor:pointer;font-size:.9rem;font-weight:600;list-style:none;padding:0 10px;transition:border-color .16s ease,background .16s ease}.locale-menu summary::-webkit-details-marker{display:none}.locale-menu summary:hover,.locale-menu[open] summary{border-color:color-mix(in oklab,var(--hero-fg) 42%,transparent);background:color-mix(in oklab,var(--hero-fg) 14%,transparent)}.locale-menu summary:focus-visible,.locale-option:focus-visible{outline:3px solid color-mix(in oklab,var(--brand-accent) 45%,transparent);outline-offset:2px}.locale-menu svg{width:16px;height:16px;color:var(--brand-accent)}.locale-options{position:absolute;top:calc(100% + 8px);right:0;z-index:20;display:grid;min-width:168px;overflow:hidden;border:1px solid var(--line);border-radius:10px;background:var(--surface);box-shadow:var(--shadow-md);padding:6px}.locale-option{display:flex;align-items:center;min-height:34px;border-radius:7px;color:var(--foreground)!important;font-size:.9rem;font-weight:600;padding:0 10px}.locale-option:hover{background:var(--surface-soft)}.locale-option.is-current{background:var(--brand-muted);color:var(--brand)!important;cursor:default}.button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;border:1px solid var(--brand-accent);border-radius:9px;background:var(--brand-accent);color:var(--on-accent);cursor:pointer;font-weight:700;padding:0 18px;text-align:center;transition:box-shadow .16s ease,transform .16s ease,filter .16s ease}.button:hover{box-shadow:0 10px 26px #10201a33;transform:translateY(-1px);filter:brightness(1.04)}.button-small{min-height:36px;padding:0 15px}.button-large{min-height:50px;padding:0 26px;font-size:1.02rem}.hero{position:relative;isolation:isolate;overflow:hidden;background:linear-gradient(165deg,oklch(.28 .052 163),var(--pine) 62%);color:var(--hero-fg);padding:120px 0 108px;min-height:100vh;display:flex;align-items:center}.hero .container{position:relative;z-index:3}.hero-aurora{position:absolute;inset:0;z-index:0;overflow:hidden}.hero-aurora:before,.hero-aurora:after{content:"";position:absolute;border-radius:50%;filter:blur(72px);will-change:transform}.hero-aurora:before{width:52vw;height:52vw;right:-8%;top:-20%;background:radial-gradient(circle,color-mix(in oklab,var(--brand-accent) 17%,transparent),transparent 66%);animation:aurora-a 26s ease-in-out infinite alternate}.hero-aurora:after{width:62vw;height:62vw;left:-16%;bottom:-26%;background:radial-gradient(circle,color-mix(in oklab,var(--brand) 46%,transparent),transparent 64%);animation:aurora-b 34s ease-in-out infinite alternate}@keyframes aurora-a{to{transform:translate(-6%,7%)}}@keyframes 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0;padding-left:16px;border-left:2px solid var(--brand-accent);color:color-mix(in oklab,var(--hero-fg) 64%,transparent);font-size:1rem;line-height:1.55}.hero-actions{display:flex;gap:14px;margin-top:36px}.trust{background:var(--pine);padding:44px 0}.trust-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}.trust-item h3{margin:0 0 6px;font-size:.95rem;font-weight:650;color:var(--hero-fg)}.trust-item p{margin:0;font-size:.85rem;line-height:1.5;color:color-mix(in oklab,var(--hero-fg) 62%,transparent)}@media(max-width:700px){.trust{padding:30px 0}.trust-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 20px}}.mission{position:relative;isolation:isolate;overflow:hidden;background:linear-gradient(200deg,var(--pine),oklch(.22 .045 163) 78%);color:var(--hero-fg);padding:128px 0}.mission .container{position:relative;z-index:3}.mission-inner{max-width:720px}.mission .eyebrow{color:var(--brand-accent)}.mission h2{margin:0 0 24px;font-size:clamp(2.1rem,4.6vw,3.4rem);line-height:1.1;color:var(--hero-fg);text-wrap:balance}[data-locale=zh] .mission h2{line-height:1.3;font-size:clamp(1.9rem,4.2vw,3rem)}.mission-body{max-width:60ch;margin:0;font-size:clamp(1.05rem,1.6vw,1.2rem);line-height:1.7;color:color-mix(in oklab,var(--hero-fg) 74%,transparent)}.mission-aurora{position:absolute;inset:0;z-index:0;overflow:hidden}.mission-aurora:before,.mission-aurora:after{content:"";position:absolute;border-radius:50%;filter:blur(80px);will-change:transform}.mission-aurora:before{width:40vw;height:40vw;right:-6%;top:-38%;background:radial-gradient(circle,color-mix(in oklab,var(--brand-accent) 14%,transparent),transparent 68%);animation:aurora-a 30s ease-in-out infinite alternate}.mission-aurora:after{width:48vw;height:48vw;left:-14%;bottom:-44%;background:radial-gradient(circle,color-mix(in oklab,var(--brand) 40%,transparent),transparent 66%);animation:aurora-b 38s ease-in-out infinite alternate}.demo-section{padding:96px 0;background:var(--background)}.demo-inner{display:grid;grid-template-columns:minmax(0,.9fr) minmax(320px,.7fr);gap:48px;align-items:start}.demo-copy h2{margin:8px 0 14px;font-size:clamp(1.9rem,4vw,2.6rem);line-height:1.15;color:var(--foreground)}.demo-copy p{max-width:460px;margin:0}.demo-form{display:grid;gap:16px;border:1px solid var(--line);border-radius:12px;background:var(--surface);box-shadow:var(--shadow-sm);padding:26px}.demo-form label{display:grid;gap:7px;color:var(--muted);font-size:.9rem;font-weight:650}.demo-form input,.demo-form textarea{width:100%;border:1px solid var(--line);border-radius:9px;background:var(--surface-soft);color:var(--foreground);padding:11px 12px}.demo-form input:focus,.demo-form textarea:focus{border-color:var(--brand);outline:3px solid color-mix(in oklab,var(--brand) 20%,transparent)}.demo-form textarea{resize:vertical}.demo-form button{min-height:46px;border:0;border-radius:9px;background:var(--brand-accent);color:var(--on-accent);cursor:pointer;font-weight:750}.demo-form button:disabled{cursor:wait;opacity:.7}.honeypot{position:absolute;left:-9999px}.form-success{margin:0;color:var(--brand);font-weight:700}.form-error{margin:0;color:#b42318;font-weight:700}.simple-page{margin:0 auto;width:calc(100% - 32px);max-width:760px;padding:88px 0}.simple-page h1{margin-bottom:20px;font-size:clamp(2.4rem,6vw,3.6rem);color:var(--foreground)}.simple-page h2{margin:30px 0 8px;font-size:1.15rem;color:var(--foreground)}.site-footer{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:96px;margin:0 auto;width:calc(100% - 32px);max-width:1120px;border-top:1px solid var(--line)}.site-footer nav{display:flex;align-items:center;gap:18px}.site-footer a{color:var(--muted);font-size:.9rem;font-weight:600}.site-footer a:hover{color:var(--foreground)}.site-footer p{margin:0;font-size:.9rem}[data-reveal].reveal-ready{opacity:0;transform:translateY(22px);transition:opacity .6s ease-out var(--reveal-delay, 0ms),transform .6s ease-out var(--reveal-delay, 0ms)}[data-reveal].reveal-ready.is-revealed{opacity:1;transform:translateY(0)}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}@media(max-width:900px){.demo-inner{grid-template-columns:1fr;gap:32px}}@media(max-width:700px){.site-header-inner{flex-wrap:wrap;gap:12px;padding:14px 0;min-height:0}.nav-utility{gap:16px}.hero{padding:92px 0 148px;min-height:auto}.hero-flow{display:none}.hero-flow-mobile{display:block}.hero-actions{flex-direction:column;align-items:stretch}.mission{padding:84px 0}.demo-form,.demo-copy{padding-inline:0}.site-footer{flex-direction:column;align-items:flex-start;padding:22px 0}}