:root{--bg:#fff;--text:#080808;--muted:#575a60;--faint:#95989e;--line:#dedfe1;--soft:#f7f7f8;--accent:#0a5cff;--max:1400px;--font:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Helvetica Neue",Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;overflow-x:hidden;background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.shell{width:min(var(--max),calc(100% - 96px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line)}.nav{min-height:90px;display:flex;align-items:center}.wordmark{font-size:32px;font-weight:760;letter-spacing:-.05em}.nav-links{margin-left:auto;display:flex;gap:50px;font-size:17px}.nav-links a{border-bottom:2px solid transparent;padding:9px 0}.nav-links a:hover,.nav-links a:focus-visible{color:var(--accent);border-color:currentColor}.nav-toggle{display:none;margin-left:auto;padding:8px 12px;background:#fff;border:1px solid var(--line);font:600 14px var(--font)}
.hero{min-height:760px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:60px;padding:66px 0 80px}.hero-copy h1{margin:0 0 28px;font-size:clamp(67px,7.2vw,112px);line-height:.92;letter-spacing:-.075em;font-weight:770}.hero-copy p{margin:0 0 34px;max-width:640px;color:var(--muted);font-size:clamp(20px,2.05vw,30px);line-height:1.42}.actions{display:flex;flex-wrap:wrap;gap:18px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:58px;padding:0 28px;border:1px solid var(--text);font-size:16px;font-weight:680;transition:transform .18s ease,background .18s ease}.button:hover{transform:translateY(-2px)}.button.primary{color:#fff;background:var(--accent);border-color:var(--accent)}.button.primary:hover{background:#004bd8}.button.secondary:hover{background:var(--soft)}
.orbit{position:relative;width:min(620px,46vw);aspect-ratio:1;justify-self:end}.ring,.orbit-path{position:absolute;border:1px solid #b4b6ba;border-radius:50%}.ring-one{inset:3%}.ring-two{inset:13%}.ring-three{inset:27%;border-style:dashed}.orbit-path{inset:3%;border-color:transparent var(--accent) var(--accent) transparent;border-width:3px;transform:rotate(-38deg)}.orbit-core{position:absolute;inset:35%;border:3px solid var(--text);border-radius:50%;background:#fff}.orbit-core i,.orbit-core b{position:absolute;left:50%;bottom:50%;width:4px;background:var(--text);transform-origin:50% 100%}.orbit-core i{height:38%;transform:translateX(-50%)}.orbit-core b{height:32%;transform:translateX(-50%) rotate(128deg)}.orbit-node{position:absolute;display:grid;place-items:center;width:86px;height:86px;background:#fff;border:1px solid #b4b6ba;border-radius:50%;font-size:29px;font-style:normal}.node-code{left:6%;top:17%}.node-server{right:-1%;top:42%}.node-product{left:43%;bottom:-3%}.orbit-dot{position:absolute;width:14px;height:14px;border-radius:50%;background:var(--text)}.dot-one{top:20%;right:16%}.dot-two{bottom:18%;left:8%}.dot-three{bottom:16%;right:10%;background:var(--accent)}
.products{padding:100px 0 112px;border-top:1px solid var(--line)}.products>h2{margin:0 0 64px;padding-bottom:42px;border-bottom:1px solid var(--line);font-size:clamp(53px,5.8vw,90px);line-height:1;letter-spacing:-.065em}.product{min-width:0}.product-vibeit{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:center;padding-bottom:70px;border-bottom:1px solid var(--line)}.product-copy{display:grid;grid-template-columns:130px 1fr;gap:32px;align-items:start}.product-icon{width:124px;height:124px;border-radius:26px;box-shadow:0 16px 36px rgba(0,0,0,.11)}.product h3{margin:5px 0 18px;font-size:clamp(33px,3.4vw,54px);letter-spacing:-.05em}.product p{margin:0 0 28px;color:var(--muted);font-size:20px;line-height:1.5}.product a{color:var(--accent);font-size:18px;font-weight:620}.product a span{display:inline-block;margin-left:10px;transition:transform .18s ease}.product a:hover span{transform:translateX(5px)}.vibeit-frame{margin:0;min-height:420px;display:flex;align-items:end;justify-content:center;overflow:hidden;border:16px solid #121214;border-bottom:0;background:var(--soft);border-radius:28px 28px 0 0}.vibeit-frame img{width:100%;height:100%;object-fit:cover;object-position:center top}.product-pair{display:grid;grid-template-columns:1fr 1fr}.product-compact{padding:58px 58px 20px 0;min-height:520px;display:flex;flex-direction:column}.product-compact+.product-compact{padding-left:58px;padding-right:0;border-left:1px solid var(--line)}.compact-heading{display:flex;align-items:center;gap:28px}.compact-heading .product-icon{width:96px;height:96px;border-radius:21px}.product-compact h3{font-size:38px}.product-compact p{max-width:500px}.product-compact>a{margin-top:auto}.timenu-preview{margin:24px 0 42px;height:160px;border:1px solid #cfd0d3;background:var(--soft);display:flex;align-items:flex-start;padding:18px;gap:15px;color:var(--muted)}.timenu-preview span{width:16px;height:16px;border-radius:50%;background:#d7d8da;box-shadow:22px 0 #d7d8da,44px 0 #d7d8da}.timenu-preview strong{margin-left:auto;color:var(--text);font-size:14px}.timenu-preview i{width:15px;height:15px;border:2px solid var(--text);border-radius:50%}.sentinel-frame{margin:12px 0 32px;height:190px;border:1px solid #222;overflow:hidden;background:#090909}.sentinel-frame img{width:100%;height:100%;object-fit:cover;object-position:top}
.about{padding:110px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:90px;align-items:center}.about h2,.founder h2{margin:0 0 30px;font-size:clamp(58px,6.5vw,96px);line-height:.96;letter-spacing:-.07em}.about p,.founder p{margin:0;max-width:760px;color:var(--muted);font-size:clamp(20px,2vw,28px);line-height:1.5}.target{position:relative;width:min(420px,35vw);aspect-ratio:1;justify-self:center}.target span{position:absolute;border:1px solid #9fa2a7;border-radius:50%}.target span:nth-child(1){inset:5%}.target span:nth-child(2){inset:19%}.target span:nth-child(3){inset:33%}.target i,.target b{position:absolute;background:#9fa2a7}.target i{width:1px;top:0;bottom:0;left:50%}.target b{height:1px;left:0;right:0;top:50%}
.founder{min-height:520px;padding:90px 0;display:grid;grid-template-columns:1fr .65fr;align-items:center;gap:70px}.founder p{max-width:760px;margin-bottom:30px}.founder a{color:var(--accent);font-size:18px;font-weight:620}.founder a span{margin-left:10px}.monogram{width:min(310px,28vw);aspect-ratio:1;justify-self:center;border-radius:50%;display:grid;place-items:center;background:var(--soft);font-size:clamp(72px,9vw,136px);letter-spacing:-.08em}
.footer{border-top:1px solid var(--line)}.footer-top{min-height:100px;display:flex;align-items:center;justify-content:space-between;gap:40px}.footer-top strong{font-size:20px}.footer-top nav{display:flex;gap:54px}.footer-top a:hover{color:var(--accent)}.footer-bottom{min-height:80px;display:flex;align-items:center;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
.legal{width:min(800px,calc(100% - 48px));margin:0 auto;padding:80px 0 120px}.legal h1{margin:0 0 20px;font-size:clamp(56px,7vw,86px);letter-spacing:-.065em}.legal .lead{margin:0 0 46px;color:var(--muted);font-size:21px;line-height:1.55}.legal section{padding:26px 0;border-top:1px solid var(--line)}.legal h2{margin:0 0 10px;font-size:25px;letter-spacing:-.03em}.legal p{margin:0;color:var(--muted);line-height:1.65}.legal a{color:var(--accent)}
@media(max-width:1000px){.shell{width:min(100% - 48px,var(--max))}.hero{grid-template-columns:minmax(0,1fr)}.orbit{width:min(620px,86vw);max-width:100%;justify-self:center;order:-1}.hero-copy{min-width:0;width:100%;text-align:center}.hero-copy p{margin-left:auto;margin-right:auto}.actions{justify-content:center}.product-vibeit,.about-grid{grid-template-columns:1fr}.vibeit-frame{min-height:360px}.target{width:min(420px,70vw)}}
@media(max-width:700px){.shell{width:min(100% - 32px,var(--max))}.nav{min-height:74px;flex-wrap:wrap}.wordmark{font-size:27px}.nav-toggle{display:block}.nav-links{display:none;width:100%;order:3;flex-direction:column;gap:0;padding:0 0 14px}.nav-links.open{display:flex}.nav-links a{padding:12px 0;border-bottom:1px solid var(--line)}.hero{min-height:auto;padding-top:40px;gap:34px}.hero-copy h1{font-size:44px;line-height:.96}.hero-copy p{font-size:19px}.actions{flex-direction:column}.button{width:100%}.orbit{width:min(340px,88vw)}.orbit-node{width:56px;height:56px;font-size:20px}.products{padding-top:70px}.products>h2{font-size:54px}.product-copy{grid-template-columns:76px 1fr;gap:20px}.product-icon{width:74px;height:74px;border-radius:17px}.vibeit-frame{min-height:250px;border-width:9px}.product-pair{grid-template-columns:1fr}.product-compact,.product-compact+.product-compact{padding:44px 0;border-left:0;border-bottom:1px solid var(--line)}.founder{grid-template-columns:1fr}.monogram{width:220px}.footer-top{align-items:flex-start;flex-direction:column;justify-content:center}.footer-top nav{gap:24px;flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}
#products,#about,#zhiluo{scroll-margin-top:90px}