@property --sky-top{syntax:"<color>";inherits:true;initial-value:#0b1a2e}@property --sky-mid{syntax:"<color>";inherits:true;initial-value:#10233d}@property --sky-bottom{syntax:"<color>";inherits:true;initial-value:#07090d}@property --sky-glow{syntax:"<color>";inherits:true;initial-value:#2a6fb8}@property --accent{syntax:"<color>";inherits:true;initial-value:#4fa8ff}@property --accent-ink{syntax:"<color>";inherits:true;initial-value:#04101f}:root{--bg:#07090d;--bg-2:#0b0e14;--surface:#0e1219;--surface-2:#151b25;--line:#ffffff17;--line-strong:#fff3;--ink:#eceff4;--ink-soft:#a3acba;--ink-faint:#7d8696;--brand:#4fa8ff;--link:#7cc0ff;--primary:#f2f4f7;--primary-ink:#07090d;--chip:#ffffff0f;--focus:#7cc0ff;--glow-alpha:.32;--grain:.06;--f-zh:"PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;--f-display:var(--font-display), var(--f-zh);--f-body:var(--font-body), var(--f-zh);--f-mono:var(--font-mono), var(--f-zh);--radius:6px;--radius-sm:4px;--gutter:clamp(16px, 4vw, 40px);--max:1280px;--header-h:64px;--sky-ease:cubic-bezier(.65, 0, .35, 1);--sky-time:1.2s;color-scheme:dark}:root[data-theme=day]{--bg:#f3f4f6;--bg-2:#eaecf0;--surface:#fff;--surface-2:#eef0f3;--line:#0a0e141a;--line-strong:#0a0e143d;--ink:#0a0e14;--ink-soft:#485160;--ink-faint:#5f6876;--brand:#0860bd;--link:#0a5fb8;--primary:#0a0e14;--primary-ink:#fff;--chip:#0a0e140f;--focus:#0a6fd6;--glow-alpha:.18;--grain:.035;color-scheme:light}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:calc(var(--header-h) + 16px);background:var(--bg);transition:--sky-top var(--sky-time) var(--sky-ease), --sky-mid var(--sky-time) var(--sky-ease), --sky-bottom var(--sky-time) var(--sky-ease), --sky-glow var(--sky-time) var(--sky-ease), --accent var(--sky-time) var(--sky-ease), --accent-ink var(--sky-time) var(--sky-ease)}body{min-height:100vh;font-family:var(--f-body);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;margin:0;font-size:1rem;line-height:1.65;overflow-x:hidden}:lang(zh) body,body:lang(zh){line-height:1.8}img,video,svg{max-width:100%;display:block}img,video{height:auto}a{color:var(--link);text-underline-offset:.2em;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}h1,h2,h3{font-family:var(--f-display);letter-spacing:.005em;text-transform:uppercase;text-wrap:balance;margin:0;font-weight:700;line-height:.95}:lang(zh) :is(h1,h2,h3){letter-spacing:.04em;line-height:1.2}h2{font-size:clamp(2.4rem,6vw,4rem)}h3{font-size:1.6rem}p{text-wrap:pretty;margin:0}:focus-visible{outline:2px solid var(--focus);outline-offset:3px}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;position:absolute!important}.skip-link{z-index:100;background:var(--primary);color:var(--primary-ink);padding:10px 16px;font-weight:600;position:absolute;top:-60px;left:12px}.skip-link:focus{top:12px}.wrap{width:min(100% - var(--gutter) * 2, var(--max));margin-inline:auto}.kicker,.mono{font-family:var(--f-mono);letter-spacing:.14em;text-transform:uppercase;font-size:.75rem;font-weight:500}.kicker{color:var(--ink-soft);align-items:center;gap:10px;display:inline-flex}.kicker:before{content:"";background:var(--brand);width:18px;height:1px}:lang(zh) .kicker{letter-spacing:.18em}.sky{z-index:-1;pointer-events:none;background:var(--bg);position:fixed;inset:0;overflow:hidden}.sky:before{content:"";background:radial-gradient(48% 42% at 78% 12%, color-mix(in srgb, var(--sky-glow) calc(var(--glow-alpha) * 100%), transparent), transparent 70%), radial-gradient(55% 50% at 8% 70%, color-mix(in srgb, var(--sky-mid) calc(var(--glow-alpha) * 85%), transparent), transparent 72%), radial-gradient(40% 35% at 60% 100%, color-mix(in srgb, var(--sky-top) calc(var(--glow-alpha) * 70%), transparent), transparent 70%);transition:opacity 1.2s;position:absolute;inset:-10%}.sky:after{content:"";opacity:var(--grain);mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");position:absolute;inset:0}.sky canvas{opacity:0;width:100%;height:100%;transition:opacity 1.2s;position:absolute;inset:0}.sky.is-live canvas{opacity:1}.sky.is-live:before{opacity:0}.btn{--btn-bg:var(--primary);--btn-ink:var(--primary-ink);--btn-line:transparent;border-radius:var(--radius-sm);border:1px solid var(--btn-line);background:var(--btn-bg);min-height:48px;color:var(--btn-ink);font:600 .82rem/1 var(--f-body);letter-spacing:.1em;text-transform:uppercase;cursor:pointer;white-space:nowrap;justify-content:center;align-items:center;gap:.6em;padding:0 1.4em;text-decoration:none;transition:background-color .2s,color .2s,border-color .2s,transform .2s;display:inline-flex}:lang(zh) .btn{letter-spacing:.12em;font-size:.9rem}.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn svg{flex:none;width:1.15em;height:1.15em}.btn--accent{--btn-bg:var(--accent);--btn-ink:var(--accent-ink)}.btn--ghost{--btn-bg:transparent;--btn-ink:currentColor;--btn-line:currentColor}.btn--ghost:hover{--btn-bg:color-mix(in srgb, currentColor 12%, transparent)}.btn--quiet{--btn-bg:transparent;--btn-ink:var(--ink);--btn-line:var(--line-strong)}.btn--quiet:hover{--btn-line:var(--ink)}.btn--big{min-height:56px;padding:0 1.8em;font-size:.88rem}.btn--small{min-height:44px;padding:0 1.1em;font-size:.74rem}.chip{border:1px solid var(--line-strong);color:var(--ink-soft);font:500 .7rem/1.2 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;border-radius:2px;align-items:center;padding:.35em .7em;display:inline-flex}:lang(zh) .chip{font-family:var(--f-body);letter-spacing:.08em;font-size:.78rem}.chips{flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none;display:flex}.badge{color:#fff;font:500 .68rem/1 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;background:#05070abf;border-radius:2px;align-items:center;gap:.5em;padding:.5em .75em;display:inline-flex}:lang(zh) .badge{font-family:var(--f-body);letter-spacing:.1em;font-size:.74rem}.badge:before{content:"";background:#5fe3a1;border-radius:50%;width:6px;height:6px}.badge[data-status=prototype]:before,.badge[data-status=coming-soon]:before{background:#ffc46b}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.section{padding-block:clamp(64px,9vw,128px)}.section-head{gap:16px;max-width:760px;margin-bottom:clamp(28px,4vw,48px);display:grid}.section-head p{color:var(--ink-soft);max-width:60ch;font-size:1.05rem}.on-sky{color:var(--ink)}.prose{max-width:68ch}.prose>*+*{margin-top:1.1em}.prose h2{margin-top:1.6em;font-size:clamp(1.8rem,4vw,2.4rem)}.prose h3{margin-top:1.4em}.prose p,.prose li{color:var(--ink-soft)}.prose strong{color:var(--ink)}.prose img{border-radius:var(--radius)}.prose ul,.prose ol{padding-left:1.3em}.prose li+li{margin-top:.4em}.prose code{font-family:var(--f-mono);background:var(--chip);border-radius:3px;padding:.1em .35em;font-size:.88em}.prose blockquote{border-left:2px solid var(--brand);margin-inline:0;padding-left:1em}.media-frame{aspect-ratio:16/9;background:#05070a;position:relative;overflow:hidden}.media-frame>img,.media-frame>video{object-fit:cover;width:100%;height:100%}.play-overlay{z-index:1000;background:#000;position:fixed;inset:0}.play-overlay iframe{border:0;width:100%;height:100%;display:block;position:absolute;inset:0}.play-close{z-index:2;top:max(8px, env(safe-area-inset-top));left:max(8px, env(safe-area-inset-left));color:#fff;cursor:pointer;background:#00000073;border:0;border-radius:50%;width:36px;height:36px;font:400 24px/1 system-ui,sans-serif;position:absolute}@media (prefers-reduced-motion:reduce){html{--sky-time:0s}*,:before,:after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}.logo[data-astro-cid-f7espo7c]{color:inherit;align-items:center;gap:10px;display:inline-flex}.mark[data-astro-cid-f7espo7c]{flex:none;display:inline-block}.mark[data-astro-cid-f7espo7c] svg{width:100%;height:100%}.word[data-astro-cid-f7espo7c]{font-family:var(--f-display);text-transform:uppercase;white-space:nowrap;align-items:baseline;gap:.45em;line-height:1;display:inline-flex}.word[data-astro-cid-f7espo7c] b[data-astro-cid-f7espo7c]{letter-spacing:.14em;font-size:1.3rem;font-weight:700}.word[data-astro-cid-f7espo7c] span[data-astro-cid-f7espo7c]{letter-spacing:.14em;color:var(--ink-soft);font-size:1.3rem;font-weight:600}.word[data-astro-cid-f7espo7c].zh b[data-astro-cid-f7espo7c],.word[data-astro-cid-f7espo7c].zh span[data-astro-cid-f7espo7c]{font-family:var(--f-zh);letter-spacing:.12em;font-size:1.05rem}.theme-toggle[data-astro-cid-l6lhmie6]{border:1px solid var(--line-strong);border-radius:var(--radius-sm);min-width:44px;height:44px;color:var(--ink);cursor:pointer;font:600 .75rem/1 var(--f-body);letter-spacing:.1em;text-transform:uppercase;background:0 0;place-items:center;padding:0 10px;display:inline-grid}.theme-toggle[data-astro-cid-l6lhmie6]:hover{border-color:var(--ink)}.theme-toggle[data-astro-cid-l6lhmie6]>span[data-astro-cid-l6lhmie6]{grid-area:1/1;align-items:center;gap:8px;transition:opacity .25s;display:inline-flex}.tt-night[data-astro-cid-l6lhmie6]{opacity:0}[data-theme=day] .tt-night[data-astro-cid-l6lhmie6]{opacity:1}[data-theme=day] .tt-day[data-astro-cid-l6lhmie6]{opacity:0}.with-label[data-astro-cid-l6lhmie6]{padding:0 14px}.lang-switch[data-astro-cid-lemdd452]{border:1px solid var(--line-strong);border-radius:var(--radius-sm);font:600 .75rem/1 var(--f-body);letter-spacing:.08em;gap:2px;padding:3px;display:inline-flex}.lang-switch[data-astro-cid-lemdd452]>[data-astro-cid-lemdd452]{min-width:44px;height:36px;color:var(--ink-soft);border-radius:2px;place-items:center;padding:0 10px;text-decoration:none;display:inline-grid}.lang-switch[data-astro-cid-lemdd452] a[data-astro-cid-lemdd452]:hover{color:var(--ink);background:var(--chip)}.lang-switch[data-astro-cid-lemdd452] .on[data-astro-cid-lemdd452]{background:var(--ink);color:var(--bg)}.site-header[data-astro-cid-nen7h5rs]{z-index:50;height:var(--header-h);padding-top:env(safe-area-inset-top);color:#fff;background:linear-gradient(#0000008c,#0000);border-bottom:1px solid #0000;transition:background-color .3s,color .3s,border-color .3s;position:fixed;inset:0 0 auto}.site-header[data-astro-cid-nen7h5rs].is-scrolled,body:not(:has(.has-hero)) .site-header[data-astro-cid-nen7h5rs]{background:color-mix(in srgb, var(--bg) 88%, transparent);-webkit-backdrop-filter:blur(14px);color:var(--ink);border-bottom-color:var(--line)}.bar[data-astro-cid-nen7h5rs]{height:var(--header-h);align-items:center;gap:24px;display:flex}.brand[data-astro-cid-nen7h5rs]{color:inherit;align-items:center;min-height:44px;margin-right:auto;text-decoration:none;display:inline-flex}.brand[data-astro-cid-nen7h5rs] .word span{color:inherit;opacity:.7}.main-nav[data-astro-cid-nen7h5rs]{align-items:center;gap:28px;display:flex}.main-nav[data-astro-cid-nen7h5rs] ul[data-astro-cid-nen7h5rs]{gap:4px;margin:0;padding:0;list-style:none;display:flex}.main-nav[data-astro-cid-nen7h5rs] ul[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]{min-height:44px;color:inherit;font:600 .78rem/1 var(--f-body);letter-spacing:.12em;text-transform:uppercase;opacity:.85;align-items:center;padding:0 12px;text-decoration:none;display:inline-flex;position:relative}.main-nav[data-astro-cid-nen7h5rs] ul[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]:hover,.main-nav[data-astro-cid-nen7h5rs] ul[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs][aria-current=page]{opacity:1}.main-nav[data-astro-cid-nen7h5rs] ul[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs][aria-current=page]:after{content:"";background:var(--brand);height:2px;position:absolute;bottom:8px;left:12px;right:12px}.nav-tools[data-astro-cid-nen7h5rs]{align-items:center;gap:8px;display:flex}.nav-tools[data-astro-cid-nen7h5rs] .lang-switch,.nav-tools[data-astro-cid-nen7h5rs] .theme-toggle{color:inherit;border-color:color-mix(in srgb, currentColor 30%, transparent)}.nav-tools[data-astro-cid-nen7h5rs] .lang-switch>*{color:inherit;opacity:.75}.nav-tools[data-astro-cid-nen7h5rs] .lang-switch .on{background:color-mix(in srgb, currentColor 20%, transparent);color:inherit;opacity:1}.menu-btn[data-astro-cid-nen7h5rs]{display:none}@media (width<=900px){.menu-btn[data-astro-cid-nen7h5rs]{width:44px;height:44px;color:inherit;cursor:pointer;background:0 0;border:0;place-items:center;margin-right:-8px;display:inline-grid}.main-nav[data-astro-cid-nen7h5rs]{inset:var(--header-h) 0 auto;padding:16px var(--gutter) 24px;background:var(--bg);color:var(--ink);border-bottom:1px solid var(--line);opacity:0;visibility:hidden;flex-direction:column;align-items:stretch;gap:20px;transition:opacity .2s,transform .2s,visibility .2s;position:fixed;transform:translateY(-8px)}.site-header[data-astro-cid-nen7h5rs].is-open .main-nav[data-astro-cid-nen7h5rs]{opacity:1;visibility:visible;transform:none}.site-header[data-astro-cid-nen7h5rs].is-open{background:var(--bg);color:var(--ink)}.main-nav[data-astro-cid-nen7h5rs] ul[data-astro-cid-nen7h5rs]{flex-direction:column}.main-nav[data-astro-cid-nen7h5rs] ul[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]{border-bottom:1px solid var(--line);width:100%;min-height:52px;padding:0;font-size:1rem}.main-nav[data-astro-cid-nen7h5rs] ul[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs][aria-current=page]:after{display:none}}.site-footer[data-astro-cid-jo6i4kqk]{border-top:1px solid var(--line);background:var(--bg-2);padding:clamp(48px, 7vw, 80px) 0 max(28px, env(safe-area-inset-bottom))}.top[data-astro-cid-jo6i4kqk]{grid-template-columns:1fr 1.4fr;gap:40px;padding-bottom:40px;display:grid}.who[data-astro-cid-jo6i4kqk]{align-content:start;gap:14px;display:grid}.slogan[data-astro-cid-jo6i4kqk]{color:var(--ink-soft);font:600 1.1rem/1.2 var(--f-display);letter-spacing:.06em;text-transform:uppercase}.slogan[data-astro-cid-jo6i4kqk]:lang(zh){font-family:var(--f-zh);letter-spacing:.2em}.mail[data-astro-cid-jo6i4kqk]{color:var(--ink);align-items:center;gap:8px;width:fit-content;min-height:44px;display:inline-flex}.cols[data-astro-cid-jo6i4kqk]{grid-template-columns:repeat(3,1fr);gap:24px;display:grid}.cols[data-astro-cid-jo6i4kqk].no-social{grid-template-columns:repeat(2,1fr)}.col-title[data-astro-cid-jo6i4kqk]{font:500 .72rem/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:14px}.cols[data-astro-cid-jo6i4kqk] ul[data-astro-cid-jo6i4kqk]{gap:2px;margin:0;padding:0;list-style:none;display:grid}.cols[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{min-height:36px;color:var(--ink-soft);align-items:center;text-decoration:none;display:inline-flex}.cols[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]:hover{color:var(--ink)}.social[data-astro-cid-jo6i4kqk]{grid-template-columns:repeat(auto-fill,44px);gap:6px!important}.social[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{border:1px solid var(--line-strong);border-radius:var(--radius-sm);justify-content:center;width:44px;height:44px}.social[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]:hover{border-color:var(--ink)}.bottom[data-astro-cid-jo6i4kqk]{border-top:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding-top:24px;display:flex}.legal[data-astro-cid-jo6i4kqk]{color:var(--ink-faint);font-size:.85rem}.tools[data-astro-cid-jo6i4kqk]{flex-wrap:wrap;gap:8px;display:flex}@media (width<=860px){.top[data-astro-cid-jo6i4kqk]{grid-template-columns:1fr}.cols[data-astro-cid-jo6i4kqk]{grid-template-columns:1fr 1fr}.cols[data-astro-cid-jo6i4kqk]:not(.no-social)>div[data-astro-cid-jo6i4kqk]:last-child{grid-column:1/-1}}