@font-face{font-family:PuHuiTi;src:url('/assets/fonts/puhuiti-regular.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:PuHuiTi;src:url('/assets/fonts/puhuiti-bold.woff2') format('woff2');font-weight:700;font-style:normal;font-display:swap}
:root{color-scheme:dark;--bg:#071113;--text:#eaf5f3;--muted:#8ba4a6;--accent:#56d3c3;--line:rgba(98,172,167,.17);--control:rgba(153,212,207,.045);--hover:rgba(70,186,171,.12);--shadow:rgba(32,184,170,.1)}
:root[data-theme=light]{color-scheme:light;--bg:#f0f7f5;--text:#153d40;--muted:#49676d;--accent:#08786d;--line:rgba(27,114,110,.19);--control:rgba(255,255,255,.55);--hover:rgba(32,184,170,.09);--shadow:rgba(32,184,170,.08)}
*{box-sizing:border-box}html{min-width:280px;background:var(--bg);scroll-behavior:smooth}body{margin:0;font-family:PuHuiTi,system-ui,'Segoe UI','PingFang SC',sans-serif;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;user-select:none}a{color:inherit;text-decoration:none}button,select{font:inherit}a,select{-webkit-tap-highlight-color:transparent}a:focus-visible{outline:2px solid var(--accent);outline-offset:5px;border-radius:7px}img{-webkit-user-drag:none}svg{display:block}.skip{position:fixed;left:20px;top:16px;z-index:10;padding:12px 18px;background:var(--bg);border:1px solid var(--accent);border-radius:8px;transform:translateY(-180%)}.skip:focus{transform:translateY(0)}
.ambient{position:fixed;inset:0;overflow:hidden;pointer-events:none}.ambient-grid{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:72px 72px;opacity:.18;mask-image:linear-gradient(100deg,transparent 5%,#000 100%)}.ambient-glow{position:absolute;width:1000px;height:850px;right:-300px;top:0;background:radial-gradient(ellipse,rgba(21,121,108,.13),transparent 67%)}
.page{position:relative;max-width:1440px;margin:0 auto;min-height:100svh;padding:24px 64px 28px;display:flex;flex-direction:column}.header{display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:block;flex-shrink:0;padding:6px 0}.logo{width:216px;height:auto}.logo-light{display:none}[data-theme=light] .logo-dark{display:none}[data-theme=light] .logo-light{display:block}
.hero{flex:1;display:grid;grid-template-columns:1.12fr 1fr;align-items:center;gap:30px;padding:64px 0 72px;outline:0;min-width:0}.hero-copy{padding-left:12px;animation:arrive .7s ease-out both}h1{margin:0;font-size:clamp(48px,6.1vw,86px);font-weight:700;line-height:1.2;letter-spacing:-.045em}h1>span{display:block}.accent{margin-top:12px;color:var(--accent)}.product-link{display:inline-flex;align-items:center;gap:22px;min-height:48px;margin-top:44px;padding:11px 18px;border:1px solid var(--line);border-radius:9px;font-size:15px;color:var(--text);background:var(--control);transition:background .18s,border-color .18s,transform .18s}.product-link svg{width:18px;height:18px;stroke:var(--accent);stroke-width:1.7;fill:none;transition:transform .18s}.product-link:hover{border-color:var(--accent);background:var(--hover)}.product-link:hover svg{transform:translateX(3px)}.product-link:active{transform:translateY(1px);background:var(--control)}
.brand-scene{position:relative;width:100%;max-width:560px;aspect-ratio:1;justify-self:end;display:grid;place-items:center;animation:arrive .9s ease-out both;pointer-events:none}.scene-halo{position:absolute;inset:8%;background:radial-gradient(circle,rgba(32,184,170,.12),transparent 67%);border-radius:50%}.orbits{position:absolute;inset:0;width:100%;height:100%;opacity:.6}.hero-symbol{position:relative;width:64%;height:auto;filter:drop-shadow(0 18px 35px rgba(0,0,0,.12))}.scene-caption{position:absolute;bottom:4%;left:0;right:0;display:flex;justify-content:center;align-items:center;gap:14px;color:var(--muted);font-size:11px;letter-spacing:.24em}.scene-caption span{width:24px;height:1px;background:var(--line)}
.footer{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px;border-top:1px solid var(--line);font-size:13px;line-height:1.6;color:var(--muted)}.copyright{letter-spacing:.02em}.filing{user-select:text;transition:color .18s}.filing:hover{color:var(--accent)}.filing:active{color:var(--text)}
@keyframes arrive{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1600px){.page{padding-top:40px;padding-bottom:36px}.hero{padding-top:90px;padding-bottom:90px}}
@media(max-width:1050px){.page{padding-left:36px;padding-right:36px}.hero{gap:8px}.hero-copy{padding-left:0}h1{font-size:clamp(42px,6vw,64px)}.scene-caption{font-size:10px}}
@media(max-width:720px){.page{padding:18px 24px 24px}.header{gap:16px;flex-wrap:wrap}.logo{width:170px}.hero{grid-template-columns:1fr;padding:62px 0 32px;gap:24px}.hero-copy{text-align:center}h1{font-size:clamp(40px,8vw,60px)}.accent{margin-top:8px}.product-link{margin-top:30px}.brand-scene{justify-self:center;max-width:350px}.footer{justify-content:center;text-align:center;padding-top:20px;gap:8px 24px}.scene-caption{font-size:10px}.ambient-grid{background-size:52px 52px}}
@media(max-width:460px){.header{justify-content:center}.logo{width:188px}.hero{padding-top:44px}.brand-scene{max-width:300px}h1{font-size:clamp(34px,9.5vw,44px)}.footer{flex-direction:column}}
@media(max-height:650px) and (min-width:721px){.hero{padding-top:28px;padding-bottom:32px}.brand-scene{max-width:390px}.page{padding-top:16px;padding-bottom:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
:root{--menu-bg:rgba(10,26,29,.97);--menu-shadow:0 16px 42px rgba(0,0,0,.28);--selected:rgba(32,184,170,.14)}
:root[data-theme=light]{--menu-bg:rgba(248,254,252,.98);--menu-shadow:0 16px 42px rgba(16,78,74,.13);--selected:rgba(32,184,170,.12)}
[hidden]{display:none!important}.preferences{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.picker{position:relative}.picker-trigger{position:relative;display:flex;align-items:center;gap:10px;min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:10px;background:var(--control);color:var(--text);font:inherit;font-size:14px;cursor:pointer;transition:background .18s,border-color .18s;isolation:isolate}.picker-trigger>svg{position:relative;width:16px;height:16px;flex-shrink:0;fill:none;stroke:var(--muted);stroke-width:1.5}.picker-trigger .chevron{width:14px;height:14px;transition:transform .18s}.picker-value{position:relative;white-space:nowrap}.picker-trigger[aria-expanded=true] .chevron{transform:rotate(180deg)}.picker-trigger:hover,.picker-trigger[aria-expanded=true]{background:var(--hover);border-color:var(--accent)}.picker-trigger:active{background:var(--control)}.picker-trigger:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.picker-menu{position:fixed;z-index:20;min-width:184px;max-width:calc(100vw - 32px);padding:6px;border:1px solid var(--line);border-radius:13px;background:var(--menu-bg);box-shadow:var(--menu-shadow);backdrop-filter:blur(18px);overflow-y:auto;animation:menu-arrive .15s ease-out}.picker-option{display:flex;align-items:center;justify-content:space-between;gap:22px;width:100%;min-height:42px;padding:9px 12px;border:1px solid transparent;border-radius:8px;background:transparent;color:var(--text);font:inherit;font-size:14px;text-align:left;cursor:pointer}.picker-option:hover{background:var(--hover)}.picker-option:active{background:var(--selected)}.picker-option[aria-selected=true]{background:var(--selected);border-color:var(--line);color:var(--accent)}.picker-option[aria-selected=true]::after{content:'';width:6px;height:10px;flex-shrink:0;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);margin:0 3px 3px 0}.picker-option:focus-visible{outline:1px solid var(--accent);outline-offset:-1px}
@keyframes menu-arrive{from{opacity:0;transform:translateY(-3px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:460px){.preferences{width:100%;justify-content:center;gap:10px}.picker-trigger{gap:8px;padding:0 10px}}