@layer reset,tokens,base,components,utilities;@layer tokens{:root{color-scheme:light;accent-color:#0f6b4e;--color-canvas: #f3f0ee;--color-surface: #fcfbfa;--color-ink: #141413;--color-muted: #625f59;--color-line: #d8d4ce;--color-dark: #111614;--color-dark-surface: #1a211e;--color-dark-ink: #f7f5f1;--color-dark-muted: #bec7c1;--color-primary: #0f6b4e;--color-primary-strong: #0a503a;--color-primary-soft: #dcebe5;--color-sleep: #2856b6;--color-activity: #d95a2b;--color-activity-ink: #943914;--color-warning-surface: #f7e7dd;--color-scrollbar: #8a877f;--font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--font-display: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--text-display: clamp(3rem, 7vw, 5rem);--text-h1-reading: clamp(2.5rem, 5vw, 4.25rem);--text-h2: clamp(2.125rem, 4.6vw, 3.75rem);--text-h3: clamp(1.35rem, 2vw, 1.75rem);--text-body: 1.0625rem;--text-small: .875rem;--text-label: .75rem;--leading-display: 1.04;--leading-heading: 1.12;--leading-body: 1.55;--space-1: .5rem;--space-2: 1rem;--space-3: 1.5rem;--space-4: 2rem;--space-5: 2.5rem;--space-6: 3rem;--space-8: 4rem;--space-10: 5rem;--space-12: 6rem;--space-16: 8rem;--space-18: 9rem;--radius-small: .875rem;--radius-medium: 1.5rem;--radius-large: clamp(1.75rem, 3vw, 2.5rem);--radius-pill: 999px;--page-gutter: clamp(1rem, 4vw, 4rem);--page-max: 90rem;--reading-max: 47.5rem;--header-height: 5.5rem;--touch-min: 2.75rem;--duration-fast: .14s;--duration-ui: .22s;--duration-reveal: .3s;--ease-out: cubic-bezier(.23, 1, .32, 1);--ease-in-out: cubic-bezier(.77, 0, .175, 1)}}@layer reset{*,*:before,*:after{box-sizing:border-box}html{scrollbar-gutter:stable;scroll-behavior:smooth;scroll-padding-block-start:calc(var(--header-height) + var(--space-2))}body,h1,h2,h3,p,ul,ol,figure,blockquote,dl,dd{margin:0}ul,ol{padding:0}img,picture,svg{display:block;max-inline-size:100%}button,input,textarea,select{font:inherit}[hidden]{display:none!important}}@layer base{:root{scrollbar-width:thin;scrollbar-color:var(--color-scrollbar) transparent}body{min-block-size:100dvh;overflow-x:clip;background:var(--color-canvas);color:var(--color-ink);font-family:var(--font-sans);font-size:var(--text-body);line-height:var(--leading-body);text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:var(--leading-heading);text-wrap:balance}:lang(en) h1,:lang(en) h2,:lang(en) h3{letter-spacing:-.025em}:lang(zh-CN) h1,:lang(zh-CN) h2,:lang(zh-CN) h3{letter-spacing:0}p,li,dd{text-wrap:pretty}a{color:inherit;text-decoration-thickness:.08em;text-underline-offset:.2em}button,a{-webkit-tap-highlight-color:transparent}:where(a,button,summary):focus-visible{outline:max(2px,.12em) solid var(--color-primary);outline-offset:.22em}[id]{scroll-margin-block-start:calc(var(--header-height) + var(--space-2))}::selection{background:var(--color-primary-soft);color:var(--color-ink)}}@layer components{.page-shell{inline-size:min(100%,var(--page-max));margin-inline:auto;padding-inline:var(--page-gutter)}.section{padding-block:clamp(var(--space-10),10vw,var(--space-18))}.eyebrow{color:var(--color-primary);font-size:var(--text-label);font-weight:700;letter-spacing:.11em;line-height:1.2;text-transform:uppercase}:lang(zh-CN) .eyebrow{letter-spacing:.06em}.section-heading{max-inline-size:14ch;font-size:var(--text-h2)}.section-intro{max-inline-size:40rem;color:var(--color-muted)}.button-row{display:flex;flex-wrap:wrap;gap:var(--space-2)}.button{min-block-size:var(--touch-min);display:inline-flex;align-items:center;justify-content:center;gap:.65rem;padding:.72rem 1.25rem;border:1px solid transparent;border-radius:var(--radius-pill);font-size:.95rem;font-weight:650;line-height:1;text-decoration:none;white-space:nowrap;transition:background-color var(--duration-ui) var(--ease-out),color var(--duration-ui) var(--ease-out),border-color var(--duration-ui) var(--ease-out),transform var(--duration-fast) var(--ease-out)}.button--primary{background:var(--color-primary);color:var(--color-surface)}.button--secondary{border-color:var(--color-line);background:transparent;color:var(--color-ink)}.button:active{transform:scale(.97)}.status-note{display:inline-flex;align-items:center;gap:var(--space-1);color:var(--color-muted);font-size:var(--text-small)}.status-note:before{inline-size:.5rem;block-size:.5rem;border-radius:50%;background:var(--color-primary);content:""}.sr-only{position:absolute;inline-size:1px;block-size:1px;padding:0;border:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}}@layer utilities{.skip-link{position:fixed;z-index:100;inset-block-start:var(--space-1);inset-inline-start:var(--space-1);transform:translateY(-160%);padding:.75rem 1rem;border-radius:var(--radius-pill);background:var(--color-ink);color:var(--color-surface);font-weight:650;text-decoration:none;transition:transform var(--duration-fast) var(--ease-out)}.skip-link:focus{transform:translateY(0)}[data-reveal]{opacity:1;transform:none}[data-reveal-ready] [data-reveal]:not([data-revealed]){opacity:0;transform:translateY(.75rem)}[data-reveal-ready] [data-reveal]{transition:opacity var(--duration-reveal) var(--ease-out),transform var(--duration-reveal) var(--ease-out)}@media(hover:hover)and (pointer:fine){.button--primary:hover{background:var(--color-primary-strong)}.button--secondary:hover{border-color:var(--color-ink);background:var(--color-surface)}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}[data-reveal-ready] [data-reveal]:not([data-revealed]){opacity:1;transform:none}}@media(prefers-contrast:more){.button,:where(a,button,summary):focus-visible{outline-width:3px}}}.site-footer[data-astro-cid-gcn2mc3v]{padding-block:var(--space-10) var(--space-4);border-block-start:1px solid var(--color-line);background:var(--color-surface)}.footer-grid[data-astro-cid-gcn2mc3v]{display:grid;grid-template-columns:minmax(0,2fr) repeat(2,minmax(9rem,1fr));gap:var(--space-6)}.footer-brand[data-astro-cid-gcn2mc3v]{max-inline-size:28rem}.footer-brand[data-astro-cid-gcn2mc3v]>[data-astro-cid-gcn2mc3v]+[data-astro-cid-gcn2mc3v]{margin-block-start:var(--space-2)}.footer-wordmark[data-astro-cid-gcn2mc3v]{font-size:.92rem;font-weight:750;letter-spacing:.13em}.footer-note[data-astro-cid-gcn2mc3v],.footer-bottom[data-astro-cid-gcn2mc3v]{color:var(--color-muted);font-size:var(--text-small)}nav[data-astro-cid-gcn2mc3v]{display:flex;flex-direction:column;align-items:flex-start;gap:.65rem;min-inline-size:0}nav[data-astro-cid-gcn2mc3v] a[data-astro-cid-gcn2mc3v]{max-inline-size:100%;overflow-wrap:anywhere}.footer-heading[data-astro-cid-gcn2mc3v]{margin-block-end:.25rem;color:var(--color-muted);font-size:var(--text-label);font-weight:700;letter-spacing:.08em;text-transform:uppercase}.footer-bottom[data-astro-cid-gcn2mc3v]{margin-block-start:var(--space-8);padding-block-start:var(--space-3);border-block-start:1px solid var(--color-line);display:flex;flex-wrap:wrap;gap:var(--space-1) var(--space-3)}@media(max-width:46rem){.footer-grid[data-astro-cid-gcn2mc3v]{grid-template-columns:1fr 1fr}.footer-brand[data-astro-cid-gcn2mc3v]{grid-column:1 / -1}}.site-header[data-astro-cid-ctg3m53h]{position:sticky;z-index:50;inset-block-start:0;min-block-size:var(--header-height);padding:.75rem var(--page-gutter);pointer-events:none}.header-shell[data-astro-cid-ctg3m53h]{inline-size:min(100%,78rem);min-block-size:4rem;margin-inline:auto;display:flex;align-items:center;justify-content:space-between;gap:var(--space-2);padding:.45rem .55rem .45rem 1.15rem;border:1px solid color-mix(in srgb,var(--color-line) 76%,transparent);border-radius:var(--radius-pill);background:color-mix(in srgb,var(--color-surface) 88%,transparent);box-shadow:0 .4rem 1.8rem #1414130f;backdrop-filter:blur(14px);pointer-events:auto}.brand[data-astro-cid-ctg3m53h]{min-block-size:var(--touch-min);display:inline-flex;align-items:center;gap:.7rem;font-size:.82rem;font-weight:750;letter-spacing:.12em;text-decoration:none;white-space:nowrap}.brand-mark[data-astro-cid-ctg3m53h]{inline-size:1.75rem;block-size:1.75rem;display:grid;place-items:center;border:1px solid var(--color-primary);border-radius:50%}.brand-mark[data-astro-cid-ctg3m53h] span[data-astro-cid-ctg3m53h]{inline-size:.72rem;block-size:.72rem;border:2px solid var(--color-primary);border-radius:50%}.site-navigation[data-astro-cid-ctg3m53h]{display:flex;align-items:center;gap:.2rem;overflow-x:auto;overscroll-behavior-inline:contain;scrollbar-width:none}.site-navigation[data-astro-cid-ctg3m53h]::-webkit-scrollbar{display:none}.site-navigation[data-astro-cid-ctg3m53h] a[data-astro-cid-ctg3m53h]{min-block-size:var(--touch-min);display:inline-flex;align-items:center;padding-inline:.9rem;border-radius:var(--radius-pill);color:var(--color-muted);font-size:.88rem;font-weight:600;text-decoration:none;white-space:nowrap;transition:background-color var(--duration-ui) var(--ease-out),color var(--duration-ui) var(--ease-out)}.site-navigation[data-astro-cid-ctg3m53h] a[data-astro-cid-ctg3m53h][aria-current=page],.site-navigation[data-astro-cid-ctg3m53h] .language-link[data-astro-cid-ctg3m53h]{color:var(--color-ink)}.language-link[data-astro-cid-ctg3m53h]{margin-inline-start:.3rem;border:1px solid var(--color-line)}.menu-toggle[data-astro-cid-ctg3m53h]{min-inline-size:var(--touch-min);min-block-size:var(--touch-min);display:none;align-items:center;justify-content:center;gap:.55rem;border:0;border-radius:var(--radius-pill);background:var(--color-ink);color:var(--color-surface);cursor:pointer}.menu-label[data-astro-cid-ctg3m53h]{font-size:.85rem;font-weight:650}.menu-icon[data-astro-cid-ctg3m53h]{inline-size:1rem;display:grid;gap:.25rem}.menu-icon[data-astro-cid-ctg3m53h] i[data-astro-cid-ctg3m53h]{block-size:1px;background:currentColor;transition:transform var(--duration-ui) var(--ease-out)}@media(hover:hover)and (pointer:fine){.site-navigation[data-astro-cid-ctg3m53h] a[data-astro-cid-ctg3m53h]:hover{background:var(--color-primary-soft);color:var(--color-ink)}}@media(max-width:48rem){.site-header[data-astro-cid-ctg3m53h]{min-block-size:5rem;padding:.5rem var(--page-gutter)}.header-shell[data-astro-cid-ctg3m53h]{position:relative;min-block-size:3.75rem;flex-wrap:wrap}html[data-js] .menu-toggle[data-astro-cid-ctg3m53h]{display:inline-flex}.site-navigation[data-astro-cid-ctg3m53h]{inline-size:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.25rem;padding-block:.35rem .55rem}.site-navigation[data-astro-cid-ctg3m53h] a[data-astro-cid-ctg3m53h]{justify-content:center}.language-link[data-astro-cid-ctg3m53h]{margin-inline-start:0}html[data-js] .site-navigation[data-astro-cid-ctg3m53h]{position:absolute;inset-block-start:calc(100% + .5rem);inset-inline:0;visibility:hidden;opacity:0;transform:translateY(-.5rem) scale(.97);transform-origin:top center;padding:.75rem;border:1px solid var(--color-line);border-radius:var(--radius-medium);background:var(--color-surface);box-shadow:0 1rem 2.5rem #1414131f;pointer-events:none;transition:opacity var(--duration-ui) var(--ease-out),transform var(--duration-ui) var(--ease-out),visibility 0s linear var(--duration-ui)}html[data-js] .site-header[data-astro-cid-ctg3m53h][data-open=true] .site-navigation[data-astro-cid-ctg3m53h]{visibility:visible;opacity:1;transform:translateY(0) scale(1);pointer-events:auto;transition-delay:0s}.site-header[data-astro-cid-ctg3m53h][data-open=true] .menu-icon[data-astro-cid-ctg3m53h] i[data-astro-cid-ctg3m53h]:first-child{transform:translateY(.15rem) rotate(45deg)}.site-header[data-astro-cid-ctg3m53h][data-open=true] .menu-icon[data-astro-cid-ctg3m53h] i[data-astro-cid-ctg3m53h]:last-child{transform:translateY(-.15rem) rotate(-45deg)}}@media(prefers-reduced-transparency:reduce){.header-shell[data-astro-cid-ctg3m53h]{background:var(--color-surface);backdrop-filter:none}}@media(prefers-contrast:more){.header-shell[data-astro-cid-ctg3m53h]{border-color:var(--color-ink);background:var(--color-surface)}}