:root{color-scheme:light;--paper: #ecebe7;--paper-deep: #e5e3de;--ink: #171719;--muted: rgb(25 25 23 / .56);--faint: rgb(25 25 23 / .4);--line: rgb(35 34 31 / .12);--line-strong: rgb(35 34 31 / .2);--panel: rgb(255 255 255 / .5);--panel-solid: #f3f1ed;--glass: rgb(247 245 241 / .66);--glass-edge: rgb(255 255 255 / .72);--frost-line: rgb(45 43 39 / .13);--frost-surface: rgb(255 255 255 / .5);--frost-control-hover: rgb(255 255 255 / .72);--frost-shadow: 0 18px 44px rgb(52 49 42 / .09);--frost-inset-highlight: rgb(255 255 255 / .72);--frost-inset-shadow: rgb(35 34 31 / .035);--scroll-thumb: rgb(45 43 39 / .18);--scroll-thumb-hover: rgb(45 43 39 / .3);--edge-cyan: #38bdf8;--edge-violet: #c084fc;--edge-pink: #f472b6;--edge-warm: #fff4c7;--reading-progress-fill: rgb(82 80 75 / .42);--reading-progress-line: rgb(45 43 39 / .18);--spectrum: linear-gradient(115deg, #d8cbc2, #9cabb8 34%, #8fb8b0 67%, #f2eee7);--sans: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;--serif: var(--sans);--ease-out: cubic-bezier(.22,1,.36,1)}:root[data-theme=dark]{color-scheme:dark;--paper: #17181c;--paper-deep: #121318;--ink: #f7f7f5;--muted: rgb(247 247 245 / .62);--faint: rgb(247 247 245 / .4);--line: rgb(255 255 255 / .12);--line-strong: rgb(255 255 255 / .2);--panel: rgb(17 17 19 / .68);--panel-solid: #111113;--glass: rgb(17 17 19 / .68);--glass-edge: rgb(255 255 255 / .055);--frost-line: rgb(255 255 255 / .105);--frost-surface: rgb(17 17 19 / .68);--frost-control-hover: rgb(255 255 255 / .065);--frost-shadow: 0 18px 44px rgb(0 0 0 / .2);--frost-inset-highlight: rgb(255 255 255 / .055);--frost-inset-shadow: rgb(255 255 255 / .018);--scroll-thumb: rgb(255 255 255 / .16);--scroll-thumb-hover: rgb(255 255 255 / .28);--reading-progress-fill: rgb(247 247 245 / .68);--reading-progress-line: rgb(255 255 255 / .18)}*{box-sizing:border-box;scrollbar-width:thin;scrollbar-color:var(--scroll-thumb) transparent}*::-webkit-scrollbar{width:5px;height:5px}*::-webkit-scrollbar-track{background:transparent}*::-webkit-scrollbar-thumb{min-height:32px;border:1px solid transparent;border-radius:999px;background:var(--scroll-thumb);background-clip:padding-box}*::-webkit-scrollbar-thumb:hover{background:var(--scroll-thumb-hover);background-clip:padding-box}*::-webkit-scrollbar-corner{background:transparent}html{background:var(--paper);color:var(--ink);scroll-behavior:smooth}body{display:flow-root;margin:0;min-height:100vh;background:var(--paper);font-family:var(--sans);-webkit-font-smoothing:antialiased;transition:color .3s,background .3s}a{color:inherit;text-decoration:none}button,input{font:inherit}::selection{background:var(--ink);color:var(--paper)}.shell{width:min(1180px,calc(100% - 64px));margin:0 auto}.eyebrow{font-size:10px;letter-spacing:.12em;color:var(--muted)}.rule{border:0;border-top:1px solid var(--line);margin:0}:focus-visible{outline:1px solid var(--ink);outline-offset:5px}.glass-surface{background:var(--glass);border:1px solid var(--frost-line);box-shadow:var(--frost-shadow),inset 0 1px 0 var(--frost-inset-highlight);backdrop-filter:blur(24px) saturate(108%);-webkit-backdrop-filter:blur(24px) saturate(108%)}@keyframes rise{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.reveal{animation:rise .68s var(--ease-out) both}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}@media(max-width:700px){.shell{width:calc(100% - 36px)}}.ambient[data-astro-cid-37fxchfa]{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none;background:linear-gradient(145deg,var(--paper-deep),var(--paper) 52%,var(--paper-deep))}.ambient[data-astro-cid-37fxchfa]:after{content:"";position:absolute;inset:0;opacity:.16;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%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)' opacity='.18'/%3E%3C/svg%3E");mix-blend-mode:soft-light}.ambient[data-astro-cid-37fxchfa] i[data-astro-cid-37fxchfa]{position:absolute;display:block;width:68vw;height:20vw;border-radius:50%;opacity:.13;filter:blur(76px);transform:rotate(-18deg);animation:drift 24s ease-in-out infinite alternate}.ambient[data-astro-cid-37fxchfa] i[data-astro-cid-37fxchfa]:nth-child(1){top:-6vw;left:-12vw;background:#9cabb8}.ambient[data-astro-cid-37fxchfa] i[data-astro-cid-37fxchfa]:nth-child(2){top:24vh;right:-28vw;background:#d8cbc2;animation-delay:-9s}.ambient[data-astro-cid-37fxchfa] i[data-astro-cid-37fxchfa]:nth-child(3){bottom:-9vw;left:18vw;background:#8fb8b0;animation-delay:-16s}:root[data-theme=light] .ambient[data-astro-cid-37fxchfa] i[data-astro-cid-37fxchfa]{opacity:.24;filter:blur(92px)}@keyframes drift{to{transform:translate3d(3vw,2vh,0) rotate(-14deg) scale(1.04)}}.masthead[data-astro-cid-37fxchfa]{--edge-angle: 0deg;--edge-opacity: 0;position:sticky;top:18px;z-index:20;isolation:isolate;width:min(1180px,calc(100% - 64px));height:58px;margin:18px auto 0;padding:0 10px 0 22px;border-radius:16px}.masthead-surface[data-astro-cid-37fxchfa]{position:absolute;z-index:0;inset:0;border:1px solid var(--frost-line);border-radius:inherit;background:var(--glass);box-shadow:var(--frost-shadow),inset 0 1px 0 var(--frost-inset-highlight);backdrop-filter:blur(24px) saturate(108%);-webkit-backdrop-filter:blur(24px) saturate(108%);transform:translateZ(0) scaleY(1);opacity:1;transition:opacity .36s ease-out,transform .52s cubic-bezier(.16,1,.3,1),filter .52s cubic-bezier(.16,1,.3,1)}@property --collapse-angle{syntax: "<angle>"; inherits: false; initial-value: 0deg;}.masthead-edge[data-astro-cid-37fxchfa],.masthead-transition-edge[data-astro-cid-37fxchfa]{position:absolute;z-index:2;inset:-1px;padding:1px;border-radius:inherit;-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}.masthead-edge[data-astro-cid-37fxchfa]{background:conic-gradient(from calc(var(--edge-angle) - 31deg) at 50% 50%,transparent 0deg,var(--edge-cyan) 8deg,var(--edge-violet) 22deg,var(--edge-warm) 34deg,var(--edge-pink) 48deg,transparent 62deg,transparent 360deg);opacity:var(--edge-opacity);transition:opacity .18s ease-out}.masthead-transition-edge[data-astro-cid-37fxchfa]{--collapse-angle: 0deg;z-index:5;background:conic-gradient(from var(--collapse-angle) at 50% 50%,transparent 0deg,var(--edge-cyan) 10deg,var(--edge-violet) 42deg,var(--edge-warm) 74deg,var(--edge-pink) 106deg,transparent 138deg,transparent 360deg);opacity:0;transform-origin:center}.masthead-content[data-astro-cid-37fxchfa]{position:relative;z-index:3;width:100%;height:100%;display:flex;align-items:center;justify-content:space-between;opacity:1;transform:translateZ(0);transition:opacity .32s ease-out,transform .52s cubic-bezier(.16,1,.3,1),filter .52s cubic-bezier(.16,1,.3,1)}.masthead-left[data-astro-cid-37fxchfa]{display:flex;align-items:center;gap:16px;min-width:0}.identity[data-astro-cid-37fxchfa]{display:flex;align-items:center}.identity[data-astro-cid-37fxchfa] b[data-astro-cid-37fxchfa]{font-size:17px;font-weight:700;line-height:1;letter-spacing:.08em}nav[data-astro-cid-37fxchfa]{display:flex;align-items:center;gap:24px;font-size:11px;color:var(--muted)}nav[data-astro-cid-37fxchfa] a[data-astro-cid-37fxchfa]{position:relative}nav[data-astro-cid-37fxchfa] a[data-astro-cid-37fxchfa]:not(.lab-link):after{content:"";position:absolute;left:0;right:100%;bottom:-5px;border-bottom:1px solid;transition:right .25s}nav[data-astro-cid-37fxchfa] a[data-astro-cid-37fxchfa]:not(.lab-link):hover:after{right:0}.lab-link[data-astro-cid-37fxchfa]{min-height:38px;padding:0 15px;display:inline-flex;align-items:center;gap:8px;border:1px solid var(--frost-line);border-radius:10px;color:var(--ink);letter-spacing:.06em;background:var(--frost-surface);transition:background .2s,border-color .2s,transform .2s}.lab-link[data-astro-cid-37fxchfa]:hover{border-color:var(--line-strong);transform:translateY(-1px)}.lab-link[data-astro-cid-37fxchfa] span[data-astro-cid-37fxchfa]{font-size:12px;transition:transform .25s}.lab-link[data-astro-cid-37fxchfa]:hover span[data-astro-cid-37fxchfa]{transform:translate(2px,-2px)}nav[data-astro-cid-37fxchfa] button[data-astro-cid-37fxchfa]{min-width:34px;border:0;background:none;color:var(--muted);cursor:pointer;font-size:10px;padding:6px 0;transition:color .18s ease}nav[data-astro-cid-37fxchfa] button[data-astro-cid-37fxchfa]:hover{color:var(--ink)}.theme-dark[data-astro-cid-37fxchfa]{display:none}:root[data-theme=dark] .theme-light[data-astro-cid-37fxchfa]{display:none}:root[data-theme=dark] .theme-dark[data-astro-cid-37fxchfa]{display:inline}.back-link[data-astro-cid-37fxchfa]{width:38px;height:38px;display:grid;place-items:center;flex:0 0 auto;border:1px solid var(--frost-line);border-radius:11px;color:var(--muted);font-size:17px;line-height:1;background:color-mix(in srgb,var(--frost-surface) 58%,transparent);white-space:nowrap;transition:color .18s ease,border-color .18s ease,background .18s ease,transform .22s cubic-bezier(.16,1,.3,1)}.back-link[data-astro-cid-37fxchfa]:hover{color:var(--ink);border-color:var(--line-strong);background:var(--frost-control-hover)}.back-link[data-astro-cid-37fxchfa]:hover span[data-astro-cid-37fxchfa]{transform:translate(-2px)}.reading-progress[data-astro-cid-37fxchfa]{position:absolute;z-index:4;inset:50% auto auto 50%;width:min(980px,calc(100vw - 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20px);height:54px;margin-top:10px;padding-left:16px;border-radius:14px}.masthead-left[data-astro-cid-37fxchfa]{gap:10px}.reading-masthead[data-astro-cid-37fxchfa] .identity[data-astro-cid-37fxchfa]{display:none}.reading-masthead[data-astro-cid-37fxchfa] nav[data-astro-cid-37fxchfa]>a[data-astro-cid-37fxchfa]:not(.lab-link){display:none}.back-link[data-astro-cid-37fxchfa]{width:36px;height:36px}.reading-progress[data-astro-cid-37fxchfa]{width:calc(100vw - 36px);height:12px}.back-to-top[data-astro-cid-37fxchfa]{right:14px;bottom:14px;width:40px;height:40px}nav[data-astro-cid-37fxchfa]{gap:13px}nav[data-astro-cid-37fxchfa] a[data-astro-cid-37fxchfa]:nth-child(2){display:none}.lab-link[data-astro-cid-37fxchfa]{min-height:34px;padding:0 10px}.footer[data-astro-cid-37fxchfa]{margin-top:88px;display:block}}@media(prefers-reduced-motion:reduce){.masthead-surface[data-astro-cid-37fxchfa],.masthead-content[data-astro-cid-37fxchfa],.reading-progress[data-astro-cid-37fxchfa],.reading-progress-fill[data-astro-cid-37fxchfa],.back-to-top[data-astro-cid-37fxchfa],.back-link[data-astro-cid-37fxchfa] span[data-astro-cid-37fxchfa]{transition-duration:1ms}}@media(hover:none),(pointer:coarse){.masthead-edge[data-astro-cid-37fxchfa]{display:none}}@media(prefers-reduced-transparency:reduce){.masthead-surface[data-astro-cid-37fxchfa],.reading-progress-surface[data-astro-cid-37fxchfa]{background:var(--panel-solid);backdrop-filter:none;-webkit-backdrop-filter:none}}