.site-header[data-astro-cid-qlfjksao]{position:sticky;top:0;z-index:30;padding-top:12px}.nav-shell[data-astro-cid-qlfjksao]{height:64px;border:1px solid var(--line);border-radius:19px;background:var(--glass);backdrop-filter:blur(24px) saturate(160%);box-shadow:0 5px 22px #1a221d0a;display:flex;align-items:center;justify-content:space-between;padding:0 14px 0 18px}.brand[data-astro-cid-qlfjksao]{display:flex;align-items:center;gap:10px}.brand-mark[data-astro-cid-qlfjksao]{width:34px;height:34px;display:block}.brand-words[data-astro-cid-qlfjksao]{display:grid;line-height:1.1}.brand-words[data-astro-cid-qlfjksao] strong[data-astro-cid-qlfjksao]{font-size:.96rem;letter-spacing:.02em}.brand-words[data-astro-cid-qlfjksao] small[data-astro-cid-qlfjksao]{font-size:.52rem;letter-spacing:.16em;color:var(--muted);margin-top:4px}.desktop-nav[data-astro-cid-qlfjksao]{display:flex;gap:5px;margin-left:auto;margin-right:22px}.desktop-nav[data-astro-cid-qlfjksao] a[data-astro-cid-qlfjksao]{padding:8px 13px;border-radius:100px;color:var(--muted);font-size:.85rem;transition:all .2s}.desktop-nav[data-astro-cid-qlfjksao] a[data-astro-cid-qlfjksao]:hover,.desktop-nav[data-astro-cid-qlfjksao] a[data-astro-cid-qlfjksao].active{background:var(--surface-soft);color:var(--text)}.desktop-nav[data-astro-cid-qlfjksao] a[data-astro-cid-qlfjksao].active{font-weight:650}.nav-actions[data-astro-cid-qlfjksao]{display:flex;gap:7px}.nav-actions[data-astro-cid-qlfjksao] .icon-button[data-astro-cid-qlfjksao]{width:38px;height:38px;border:0;background:transparent}.nav-actions[data-astro-cid-qlfjksao] .icon-button[data-astro-cid-qlfjksao]:hover{background:var(--surface-soft)}.menu-trigger[data-astro-cid-qlfjksao]{display:none!important}.close-icon,.menu-trigger[data-astro-cid-qlfjksao][aria-expanded=true] .menu-icon{display:none}.menu-trigger[data-astro-cid-qlfjksao][aria-expanded=true] .close-icon{display:block}.sun-icon[data-astro-cid-qlfjksao]{display:none}:root[data-theme=light] .sun-icon[data-astro-cid-qlfjksao]{display:block}:root[data-theme=light] .moon-icon[data-astro-cid-qlfjksao]{display:none}.mobile-nav[data-astro-cid-qlfjksao]{position:absolute;top:84px;left:18px;right:18px;padding:10px;border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(24px);border-radius:20px;box-shadow:var(--shadow)}.mobile-nav[data-astro-cid-qlfjksao] a[data-astro-cid-qlfjksao],.mobile-search[data-astro-cid-qlfjksao]{display:flex;padding:12px 14px;border-radius:12px;font-size:.95rem}.mobile-nav[data-astro-cid-qlfjksao] a[data-astro-cid-qlfjksao]:hover,.mobile-search[data-astro-cid-qlfjksao]:hover{background:var(--surface-soft)}.mobile-search[data-astro-cid-qlfjksao]{width:100%;align-items:center;gap:8px;border:0;background:transparent;color:var(--muted);text-align:left}.mobile-search[data-astro-cid-qlfjksao] kbd[data-astro-cid-qlfjksao]{margin-left:auto}.search-overlay[data-astro-cid-qlfjksao]{position:fixed;inset:0;z-index:80;display:none;align-items:flex-start;justify-content:center;padding:15vh 20px 20px}.search-overlay[data-astro-cid-qlfjksao].open{display:flex;animation:fade-in .18s ease both}.search-backdrop[data-astro-cid-qlfjksao]{position:absolute;inset:0;background:#1216135c;backdrop-filter:blur(5px)}.search-panel[data-astro-cid-qlfjksao]{position:relative;width:min(600px,100%);background:var(--surface);border:1px solid var(--line);border-radius:24px;box-shadow:0 28px 90px #0003;padding:22px}.search-top[data-astro-cid-qlfjksao]{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.search-top[data-astro-cid-qlfjksao] h2[data-astro-cid-qlfjksao]{font-size:1.15rem;margin:0;letter-spacing:-.03em}.search-field[data-astro-cid-qlfjksao]{height:54px;border-radius:14px;background:var(--surface-soft);display:flex;gap:11px;align-items:center;padding:0 14px;color:var(--muted)}.search-field[data-astro-cid-qlfjksao] input[data-astro-cid-qlfjksao]{min-width:0;flex:1;border:0;outline:0;background:transparent;color:var(--text);font:inherit}.search-field[data-astro-cid-qlfjksao] kbd[data-astro-cid-qlfjksao],kbd[data-astro-cid-qlfjksao]{font-size:.68rem;color:var(--muted);border:1px solid var(--line);border-radius:5px;padding:2px 5px}.search-results[data-astro-cid-qlfjksao]{max-height:42vh;overflow:auto}.search-hint[data-astro-cid-qlfjksao]{padding:20px 4px;color:var(--muted);font-size:.88rem}.search-result[data-astro-cid-qlfjksao]{padding:13px 4px;border-bottom:1px solid var(--line)}.search-result[data-astro-cid-qlfjksao] a[data-astro-cid-qlfjksao]{font-weight:650}.search-result[data-astro-cid-qlfjksao] p[data-astro-cid-qlfjksao]{font-size:.82rem;color:var(--muted);margin:4px 0 0}.search-all[data-astro-cid-qlfjksao]{display:flex;justify-content:space-between;padding-top:16px;font-size:.84rem;color:var(--accent-strong);font-weight:600}@media(max-width:760px){.desktop-nav[data-astro-cid-qlfjksao]{display:none}.nav-shell[data-astro-cid-qlfjksao]{height:60px}.menu-trigger[data-astro-cid-qlfjksao]{display:grid!important}.mobile-nav[data-astro-cid-qlfjksao][hidden]{display:none}.mobile-nav[data-astro-cid-qlfjksao]:not([hidden]){display:block}.search-overlay[data-astro-cid-qlfjksao]{padding-top:10vh}}@media(prefers-reduced-transparency:reduce){.nav-shell[data-astro-cid-qlfjksao],.mobile-nav[data-astro-cid-qlfjksao],.search-panel[data-astro-cid-qlfjksao]{backdrop-filter:none;background:var(--surface)}}.site-footer[data-astro-cid-35ed7um5]{margin-top:100px;padding:34px 0 calc(26px + env(safe-area-inset-bottom));border-top:1px solid var(--line)}.footer-inner[data-astro-cid-35ed7um5]{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:end}.footer-brand[data-astro-cid-35ed7um5]{display:flex;align-items:center;gap:10px;font-weight:700}.footer-brand[data-astro-cid-35ed7um5]>span[data-astro-cid-35ed7um5]{display:grid;line-height:1.1}.footer-brand[data-astro-cid-35ed7um5] small[data-astro-cid-35ed7um5]{font-size:.5rem;letter-spacing:.14em;color:var(--muted);margin-top:4px}.footer-copy[data-astro-cid-35ed7um5] p[data-astro-cid-35ed7um5]{font-size:.8rem;color:var(--muted);margin:8px 0 0}.footer-links[data-astro-cid-35ed7um5]{display:flex;align-items:center;gap:20px}.footer-links[data-astro-cid-35ed7um5] a[data-astro-cid-35ed7um5]{display:flex;align-items:center;gap:6px;font-size:.8rem;color:var(--muted)}.footer-links[data-astro-cid-35ed7um5] a[data-astro-cid-35ed7um5]:hover{color:var(--accent-strong)}.copyright[data-astro-cid-35ed7um5]{grid-column:1/-1;color:var(--muted);font-size:.72rem}.back-top[data-astro-cid-35ed7um5]{margin-left:12px}@media(max-width:640px){.site-footer[data-astro-cid-35ed7um5]{margin-top:72px}.footer-inner[data-astro-cid-35ed7um5]{grid-template-columns:1fr;align-items:start;gap:20px}.footer-links[data-astro-cid-35ed7um5]{flex-wrap:wrap;gap:16px}.copyright[data-astro-cid-35ed7um5]{grid-column:auto}}/*! tailwindcss v4.3.5 | MIT License | https://tailwindcss.com */@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:block))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-mono:"SFMono-Regular", Consolas, "Liberation Mono", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab,red,red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.container{width:100%}@media(min-width:40rem){.container{max-width:40rem}}@media(min-width:48rem){.container{max-width:48rem}}@media(min-width:64rem){.container{max-width:64rem}}@media(min-width:80rem){.container{max-width:80rem}}@media(min-width:96rem){.container{max-width:96rem}}.block{display:block}.hidden{display:none}.inline{display:inline}.table{display:table}.transform{transform:var(--tw-rotate-x, ) var(--tw-rotate-y, ) var(--tw-rotate-z, ) var(--tw-skew-x, ) var(--tw-skew-y, )}.italic{font-style:italic}.filter{filter:var(--tw-blur, ) var(--tw-brightness, ) var(--tw-contrast, ) var(--tw-grayscale, ) var(--tw-hue-rotate, ) var(--tw-invert, ) var(--tw-saturate, ) var(--tw-sepia, ) var(--tw-drop-shadow, )}}:root{color-scheme:light;--bg:#f7f7f4;--surface:#fff;--surface-soft:#f0f0eb;--text:#20211f;--muted:#777a75;--line:#23272217;--accent:#557566;--accent-strong:#395a49;--accent-wash:#e8eee9;--warm:#e7d9bf;--shadow:0 18px 60px #242b2514;--glass:#fafaf7c7;--radius:24px;--content:1120px;--reading:720px;--ease:cubic-bezier(.2,.75,.25,1)}:root[data-theme=dark]{color-scheme:dark;--bg:#171917;--surface:#202320;--surface-soft:#272b27;--text:#eceee9;--muted:#a0a69f;--line:#eceee91a;--accent:#9bb8a5;--accent-strong:#bdd1c3;--accent-wash:#2b352e;--warm:#71634e;--shadow:0 18px 60px #00000047;--glass:#1d201dcc}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{background:var(--bg);color:var(--text);font-family:var(--font-sans);letter-spacing:.01em;min-width:320px;margin:0;font-size:16px;line-height:1.7;transition:background .25s,color .25s}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit}::selection{background:var(--accent)}@supports (color:color-mix(in lab,red,red)){::selection{background:color-mix(in srgb,var(--accent) 25%,transparent)}}.container{width:min(var(--content),calc(100% - 48px));margin-inline:auto}.eyebrow{text-transform:uppercase;letter-spacing:.16em;color:var(--muted);font-size:.72rem;font-weight:650}.section-heading{justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px;display:flex}.section-heading h2{letter-spacing:-.04em;margin:.4rem 0 0;font-size:clamp(1.45rem,2vw,2rem);line-height:1.25}.text-link{color:var(--accent-strong);align-items:center;gap:7px;font-size:.9rem;font-weight:600;display:inline-flex}.text-link:hover{gap:11px}.icon-button{border:1px solid var(--line);background:var(--glass);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);cursor:pointer;width:42px;height:42px;transition:transform .2s var(--ease),background .2s;border-radius:50%;place-items:center;display:grid}.icon-button:hover{background:var(--surface);transform:translateY(-2px)}.icon-button:active{transform:scale(.96)}:focus-visible{outline:3px solid var(--accent)}@supports (color:color-mix(in lab,red,red)){:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 60%,transparent)}}:focus-visible{outline-offset:3px}.skip-link{z-index:99;background:var(--surface);border-radius:12px;padding:10px 14px;position:absolute;top:-60px;left:16px}.skip-link:focus{top:12px}.fade-in{animation:fade-in .7s var(--ease) both}@keyframes fade-in{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.reading-progress{background:var(--accent);z-index:100;width:0;height:2px;transition:width 80ms linear;position:fixed;top:0;left:0}.prose{color:var(--text);overflow-wrap:anywhere;font-size:1.075rem;line-height:1.95}.prose>*{max-width:100%}.prose p{margin:1.45em 0}.prose h2,.prose h3,.prose h4{letter-spacing:-.035em;margin:2.4em 0 .8em;scroll-margin-top:100px;line-height:1.38}.prose a{color:var(--accent-strong);text-decoration:underline;-webkit-text-decoration-color:var(--accent);text-decoration-color:var(--accent)}@supports (color:color-mix(in lab,red,red)){.prose a{-webkit-text-decoration-color:color-mix(in srgb,var(--accent) 45%,transparent);text-decoration-color:color-mix(in srgb,var(--accent) 45%,transparent)}}.prose a{text-underline-offset:3px}.prose blockquote{border-left:3px solid var(--accent);color:var(--muted);margin:1.6em 0;padding:.15em 0 .15em 1.2em}.prose ul,.prose ol{padding-left:1.35em}.prose li{padding:.2em 0}.prose img{cursor:zoom-in;border-radius:16px;max-width:100%;height:auto}.prose figure{margin:2em 0}.prose figcaption{text-align:center;color:var(--muted);margin-top:.6rem;font-size:.82rem}.prose table{border-collapse:collapse;width:100%;font-size:.92rem;display:block;overflow:auto}.prose th,.prose td{border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;padding:.7em .9em}.prose th{background:var(--surface-soft);font-weight:650}.prose pre{border-radius:16px;max-width:calc(100vw - 32px);padding:22px 24px;font-size:.88rem;line-height:1.75;position:relative;overflow:auto;background:#1b201d!important}.prose code{font-family:var(--font-mono);font-size:.88em}.prose :not(pre)>code{background:var(--surface-soft);border-radius:5px;padding:.12em .36em}.prose pre code{background:0 0;padding:0}.prose hr{border:0;border-top:1px solid var(--line);margin:3em 0}.tag{background:var(--accent-wash);color:var(--accent-strong);border-radius:100px;padding:4px 10px;font-size:.72rem;font-weight:600;line-height:1.4;display:inline-flex}.callout{background:var(--accent-wash);border:1px solid var(--line);border-radius:16px;margin:1.5em 0;padding:18px 20px}.callout strong{margin-bottom:4px;display:block}.code-copy{color:#fff;cursor:pointer;background:#ffffff1a;border:1px solid #fff3;border-radius:9px;padding:6px 10px;font-size:.72rem;position:absolute;top:12px;right:12px}.code-copy:hover{background:#fff3}@media(max-width:640px){.container{width:min(var(--content),calc(100% - 36px))}.section-heading{align-items:start}.prose{font-size:1rem;line-height:1.9}.prose h2{font-size:1.45rem}.prose pre{border-radius:13px;padding:18px 16px}}@media(prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}:root{--type-display:clamp(3.25rem,7vw,6rem);--type-title:clamp(2rem,4.2vw,3.5rem);--type-section:clamp(1.45rem,2vw,2rem);--type-body:1.06rem;--space-section:clamp(3.5rem,7vw,5.5rem)}.prose{max-width:var(--reading);font-size:var(--type-body);letter-spacing:.012em;line-height:1.94}.prose h1{font-size:var(--type-title);letter-spacing:-.055em;line-height:1.2}.prose h2{font-size:1.62rem}.prose h3{font-size:1.28rem}.prose h1,.prose h2,.prose h3{font-weight:650}.prose [data-tone=muted]{color:var(--muted)}.prose [data-tone=blue]{color:#356c9a}:root[data-theme=dark] .prose [data-tone=blue]{color:#8db9e2}.prose [data-tone=green]{color:#3d7653}:root[data-theme=dark] .prose [data-tone=green]{color:#9dc8a7}.prose [data-tone=orange]{color:#a85f25}:root[data-theme=dark] .prose [data-tone=orange]{color:#e5a46d}.prose [data-tone=red]{color:#a64242}:root[data-theme=dark] .prose [data-tone=red]{color:#e69b9b}.prose [data-tone=purple]{color:#7355a0}:root[data-theme=dark] .prose [data-tone=purple]{color:#c2a5e8}.prose mark{color:inherit;background:#f4e8a8;border-radius:.22em;padding:.05em .15em}:root[data-theme=dark] .prose mark{background:#66572e}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}.lightbox{position:fixed;inset:0;z-index:90;background:#0a0c0ae6;display:grid;place-items:center;padding:30px;cursor:zoom-out}.lightbox img{max-width:min(1100px,94vw);max-height:88vh;object-fit:contain;border-radius:10px}.lightbox button{position:absolute;right:24px;top:18px;color:#fff;background:transparent;border:0;font-size:2rem;cursor:pointer}