:root{--paper:#fff;--ink:#111318;--muted:#666b75;--line:#d9dde5;--line-soft:#edf0f4;--kimi-blue:#027aff;--kimi-blue-strong:#0064d8;--kimi-blue-deep:#001840;--kimi-blue-soft:#eaf3ff;--page-gutter:clamp(1.25rem, 4vw, 4.5rem);--header-height:4.5rem;--max-width:96rem}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--paper)}body{color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}body.deck-active{overflow:hidden}a{color:inherit;text-decoration:none}a:focus-visible{outline:2px solid var(--kimi-blue);outline-offset:5px}.site-header{z-index:20;height:var(--header-height);padding:0 var(--page-gutter);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffffff0;border-bottom:1px solid #d9dde5c7;justify-content:space-between;align-items:center;display:flex;position:fixed;inset:0 0 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var(--kimi-blue);border-radius:50%;width:clamp(4rem,8vw,7.5rem);position:absolute;top:clamp(8rem,18vh,12rem);right:clamp(2rem,10vw,11rem)}.scene--closing:after{content:"";aspect-ratio:1;background:var(--kimi-blue);border-radius:50%;width:clamp(1rem,2vw,1.7rem);position:absolute;top:clamp(11rem,26vh,18rem);right:clamp(1.5rem,6vw,7rem)}.deck-slide .scene--closing:before,.deck-slide .scene--closing:after{display:none}.scene--cover{isolation:isolate;background:#fbfcfe;min-height:100svh;overflow:hidden}.scene--cover .scene__rail,.scene--cover .scene__content{z-index:1}@media (max-width:767px){:root{--header-height:4rem}.site-header{align-items:center}.site-nav{gap:1rem}.site-mode{display:none}.site-nav button{font-size:0}.site-nav button:first-child:after,.site-nav button:nth-child(2):after,.site-nav button:nth-child(3):after{width:auto;height:auto;color:inherit;content:"01";background:0 0;font-size:.72rem;font-weight:650;display:block;position:static}.site-nav 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h2{max-width:12ch;font-size:clamp(2.7rem,14vw,4.5rem)}.scene__placeholder{grid-template-columns:1fr;gap:1.2rem;padding-top:8rem}.scene__placeholder>span:not(:first-child){width:100%}.scene__placeholder>span:last-child{width:32%}.scene--closing:before{width:4rem;top:8rem;right:1.5rem}.scene--closing:after{width:1rem;top:11.4rem;right:1.1rem}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}