/*! tailwindcss v4.3.0 | MIT License | https://tailwindcss.com */@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,::backdrop,:after,:before{--tw-border-style:solid}}}@layer theme{:host,:root{--font-sans:ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";--font-mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,::backdrop,:after,:before{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}:host,html{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif,system-ui,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,pre,samp{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{outline:auto}progress{vertical-align:baseline}summary{display:list-item}menu,ol,ul{list-style:none}audio,canvas,embed,iframe,img,object,svg,video{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,optgroup,select,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,::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-millisecond-field,::-webkit-datetime-edit-second-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,::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.static{position:static}.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}.flex{display:flex}.grid{display:grid}.grow{flex-grow:1}.border{border-style:var(--tw-border-style);border-width:1px}}:root{--background:#fafafa;--foreground:#0a0a0a;--muted:#666;--line:#eaeaea;--panel:#fff;--accent:#0070f3;--accent-strong:#0059c8;--shadow-soft:0 16px 40px #00000014;--grid-line:#00000009;--page-glow:#0070f314;--header-line:#0000000f;--card-bg:#ffffffd6;--card-hover-bg:#fffffff5;--card-hover-border:#000;--card-sheen:#ffffffd1;--card-sheen-accent:#0070f314;--tag-hover-bg:#0070f314;--tag-hover-border:#0070f36b;--code-bg:#0a0a0a;--code-fg:#ededed;--hero-base-gradient:linear-gradient(115deg,#000,#333 30%,#7a7a7a 47%,#111 66%,#000);--hero-glass-white:#ffffff9e;--hero-glass-soft:#cee2fa5c;--hero-glass-accent:#0070f329;--hero-shadow-filter:drop-shadow(0 16px 32px #0000001f);--hero-shadow-filter-hover:drop-shadow(0 20px 36px #00000029);--hero-text-shadow:0 1px 0 #ffffff85,0 22px 52px #0000002e;--hero-text-shadow-hover:0 1px 0 #ffffff94,0 22px 48px #00000038;--motion-ease:cubic-bezier(.22,1,.36,1);--font-sans:"Geist","Inter",ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--font-mono:"Geist Mono","SFMono-Regular","SF Mono",Consolas,"Liberation Mono",monospace}:root[data-theme=dark]{--background:#07080a;--foreground:#f4f4f5;--muted:#a1a1aa;--line:#ffffff1f;--panel:#101216;--accent:#5ab0ff;--accent-strong:#9ed0ff;--shadow-soft:0 18px 48px #0000006b;--grid-line:#ffffff0b;--page-glow:#50a0ff29;--header-line:#ffffff14;--card-bg:#111318c7;--card-hover-bg:#16191ff0;--card-hover-border:#9ed0ff94;--card-sheen:#ffffff21;--card-sheen-accent:#5ab0ff2e;--tag-hover-bg:#5ab0ff1f;--tag-hover-border:#9ed0ff7a;--code-bg:#020409;--code-fg:#e4e4e7;--hero-base-gradient:linear-gradient(115deg,#fff,#d7e9ff 28%,#7fbfff 48%,#f8fbff 68%,#aab7c7);--hero-glass-white:#ffffffc7;--hero-glass-soft:#77bbff61;--hero-glass-accent:#0070f347;--hero-shadow-filter:drop-shadow(0 16px 36px #5ab0ff24);--hero-shadow-filter-hover:drop-shadow(0 20px 44px #5ab0ff33);--hero-text-shadow:0 1px 0 #ffffff29,0 22px 52px #0000007a;--hero-text-shadow-hover:0 1px 0 #ffffff38,0 22px 48px #0000008f}*{box-sizing:border-box}body{background:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px),radial-gradient(circle at 50% 0,var(--page-glow),transparent 34%),var(--background);color:var(--foreground);font-family:var(--font-sans);background-size:64px 64px,64px 64px,100% 100%,auto;margin:0;transition:background-color .18s,color .18s}a{color:inherit;text-decoration:none}a:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:4px}.shell{width:min(1080px,100% - 32px);margin:0 auto}.section{animation:fade-rise .56s var(--motion-ease) both;padding:44px 0}.section:nth-child(2){animation-delay:80ms}.section:nth-child(3){animation-delay:.14s}.section:nth-child(4){animation-delay:.2s}.section:nth-child(5){animation-delay:.26s}.eyebrow{color:var(--accent);font-size:.78rem;font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;font-weight:650}.muted{color:var(--muted)}.hero-title{--glass-x:42%;--glass-y:42%;color:#000;text-wrap:balance;max-width:960px;margin:12px 0;padding:.02em 0 .12em;font-size:clamp(2.5rem,7vw,5.8rem);font-weight:760;line-height:.98}html:lang(zh-CN) .hero-title{padding:.08em 0 .18em;font-size:clamp(2.35rem,6.4vw,5.35rem);line-height:1.08}@supports ((-webkit-background-clip:text) or (background-clip:text)){.hero-title{background:var(--hero-base-gradient);color:#0000;filter:var(--hero-shadow-filter);text-shadow:var(--hero-text-shadow);-webkit-text-fill-color:transparent;background-size:180% 100%;-webkit-background-clip:text;background-clip:text;transition:filter .18s,text-shadow .18s}.hero-title.is-glass-active{background-image:radial-gradient(circle at var(--glass-x) var(--glass-y),var(--hero-glass-white) 0,var(--hero-glass-soft) 5%,var(--hero-glass-accent) 11%,transparent 20%),var(--hero-base-gradient);background-size:100% 100%,180% 100%}.hero-title:hover{filter:var(--hero-shadow-filter-hover);text-shadow:var(--hero-text-shadow-hover)}}.grid{gap:14px;display:grid}.section>.eyebrow+.grid{margin-top:22px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.card{border:1px solid var(--line);background:var(--card-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:background .18s ease,border-color .18s ease,box-shadow .22s ease,transform .22s var(--motion-ease);border-radius:8px;padding:20px;position:relative;overflow:hidden}.card:before{border-radius:inherit;background:linear-gradient(120deg,transparent 16%,var(--card-sheen) 36%,transparent 56%),radial-gradient(circle at 18% 0,var(--card-sheen-accent),transparent 34%);content:"";opacity:0;pointer-events:none;transition:opacity .18s ease,transform .42s var(--motion-ease);position:absolute;inset:0;transform:translate(-18%)}.card:focus-within,.card:hover{border-color:var(--card-hover-border);background:var(--card-hover-bg);box-shadow:var(--shadow-soft);transform:translateY(-2px)}.card:focus-within:before,.card:hover:before{opacity:.66;transform:translate(0)}.card>*{z-index:1;position:relative}.card h2,.card h3,.content-card strong{transition:color .18s ease,transform .22s var(--motion-ease)}.content-card:focus-within h3,.content-card:focus-within strong,.content-card:hover h3,.content-card:hover strong{color:var(--accent-strong)}.tag{border:1px solid var(--line);min-height:28px;color:var(--muted);font-family:var(--font-mono);transition:background-color .16s ease,border-color .16s ease,color .16s ease,transform .18s var(--motion-ease);border-radius:999px;align-items:center;padding:0 10px;font-size:.86rem;display:inline-flex}a.tag:focus-visible,a.tag:hover{border-color:var(--tag-hover-border);background:var(--tag-hover-bg);color:var(--accent-strong);transform:translateY(-1px)}.article-layout{padding-top:52px}.article-header{width:min(780px,100%);margin-bottom:34px}.article-title{text-wrap:balance;max-width:820px;margin:12px 0 14px;font-size:clamp(2rem,4.2vw,3.35rem);line-height:1.08}html:lang(zh-CN) .article-title{line-height:1.16}.article-description{max-width:720px;margin:0;font-size:1.08rem;line-height:1.72}.article-tags{flex-wrap:wrap;gap:8px;margin:22px 0 0;display:flex}.prose{width:min(720px,100%);color:var(--foreground)}@supports (color:color-mix(in lab,red,red)){.prose{color:color-mix(in srgb,var(--foreground) 88%,var(--muted))}}.prose{overflow-wrap:break-word;font-size:1.075rem;line-height:1.82}html:lang(zh-CN) .prose{font-size:1.06rem;line-height:1.92}.prose>:first-child{margin-top:0}.prose>:last-child{margin-bottom:0}.prose p{margin:1.15em 0}.prose h1,.prose h2,.prose h3,.prose h4{color:var(--foreground);text-wrap:balance;font-weight:720;line-height:1.22}.prose h1{margin:1.8em 0 .62em;font-size:2rem}.prose h2{border-top:1px solid var(--line);margin:2.15em 0 .72em;padding-top:.25em;font-size:1.58rem}.prose h3{margin:1.75em 0 .62em;font-size:1.28rem}.prose h4{margin:1.45em 0 .5em;font-size:1.08rem}.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) 42%,transparent);text-decoration-color:color-mix(in srgb,var(--accent) 42%,transparent)}}.prose a{text-underline-offset:.18em;text-decoration-thickness:.08em;transition:color .16s,text-decoration-color .16s}.prose a:focus-visible,.prose a:hover{color:var(--accent);text-decoration-color:currentColor}.prose strong{font-weight:700}.prose em,.prose strong{color:var(--foreground)}@supports (color:color-mix(in lab,red,red)){.prose em{color:color-mix(in srgb,var(--foreground) 92%,var(--accent))}}.prose ol,.prose ul{margin:1.1em 0;padding-left:1.35em}.prose li{margin:.42em 0;padding-left:.18em}.prose li::marker{color:var(--accent);font-weight:700}.prose li>p{margin:.55em 0}.prose blockquote{border-left:3px solid var(--accent);background:var(--accent);border-radius:0 8px 8px 0;margin:1.6em 0}@supports (color:color-mix(in lab,red,red)){.prose blockquote{background:color-mix(in srgb,var(--accent) 8%,transparent)}}.prose blockquote{color:var(--foreground);padding:.8em 1em}@supports (color:color-mix(in lab,red,red)){.prose blockquote{color:color-mix(in srgb,var(--foreground) 82%,var(--muted))}}.prose blockquote>:first-child{margin-top:0}.prose blockquote>:last-child{margin-bottom:0}.prose code{border:1px solid var(--line)}@supports (color:color-mix(in lab,red,red)){.prose code{border:1px solid color-mix(in srgb,var(--line) 72%,var(--accent))}}.prose code{background:var(--foreground);border-radius:5px}@supports (color:color-mix(in lab,red,red)){.prose code{background:color-mix(in srgb,var(--foreground) 5%,transparent)}}.prose code{color:var(--foreground);font-family:var(--font-mono);padding:.12em .34em;font-size:.88em}.prose pre{border:1px solid var(--line);margin:1.55em 0;overflow:auto}@supports (color:color-mix(in lab,red,red)){.prose pre{border:1px solid color-mix(in srgb,var(--line) 72%,transparent)}}.prose pre{background:var(--code-bg);color:var(--code-fg);-webkit-overflow-scrolling:touch;border-radius:8px;padding:18px;line-height:1.68;box-shadow:inset 0 1px #ffffff0f}.prose pre code{color:inherit;background:0 0;border:0;border-radius:0;padding:0;font-size:.9rem}.prose hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}.prose img,.prose video{border:1px solid var(--line);border-radius:8px;max-width:100%;height:auto;margin:1.7em 0;display:block}.prose table{border-collapse:collapse;-webkit-overflow-scrolling:touch;width:100%;margin:1.6em 0;font-size:.94em;display:block;overflow-x:auto}.prose td,.prose th{border-bottom:1px solid var(--line);text-align:left;vertical-align:top;padding:.68em .8em}.prose th{color:var(--foreground);white-space:nowrap;font-weight:700}.site-header{animation:fade-drop .52s var(--motion-ease) both;z-index:20;border-bottom:1px solid var(--header-line);background:var(--background);position:sticky;top:0}@supports (color:color-mix(in lab,red,red)){.site-header{background:color-mix(in srgb,var(--background) 94%,transparent)}}.site-header{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.site-header-nav{padding:18px 0}.brand-link,.nav-link{font-size:.94rem;transition:color .18s;position:relative}.brand-link{align-items:center;gap:10px;display:inline-flex}.brand-icon{border-radius:6px;flex:none;width:28px;height:28px;display:block}.site-nav{align-items:center;gap:16px;display:flex}.theme-toggle{border:1px solid var(--line);background:var(--card-bg);width:32px;height:32px;color:var(--muted);cursor:pointer;transition:background-color .16s ease,border-color .16s ease,color .16s ease,transform .18s var(--motion-ease);border-radius:999px;place-items:center;display:inline-grid}.theme-toggle:focus-visible,.theme-toggle:hover{border-color:var(--tag-hover-border);background:var(--tag-hover-bg);color:var(--accent-strong);transform:translateY(-1px)}.theme-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.theme-toggle-icon{font-size:1rem;line-height:1;display:block;transform:translateY(-.5px)}.language-toggle{border:1px solid var(--line);background:var(--card-bg);border-radius:999px;padding:2px;display:inline-flex;position:relative;overflow:hidden}.language-toggle:before{background:var(--foreground);content:"";pointer-events:none;width:calc(50% - 2px);transition:transform .22s var(--motion-ease);border-radius:999px;position:absolute;top:2px;bottom:2px;left:2px;transform:translate(0)}.language-toggle[data-locale=zh]:before{transform:translate(100%)}.language-toggle-button{z-index:1;min-width:42px;min-height:26px;color:var(--muted);cursor:pointer;font-family:var(--font-mono);background:0 0;border:0;border-radius:999px;font-size:.76rem;transition:color .16s;position:relative}.language-toggle-button[aria-pressed=true]{color:var(--panel)}.language-toggle-button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.brand-link{font-weight:760}.brand-link:after,.nav-link:after{content:"";opacity:0;transform-origin:50%;height:1px;transition:opacity .18s ease,transform .22s var(--motion-ease);background:currentColor;position:absolute;bottom:-5px;left:0;right:0;transform:scaleX(.6)}.brand-link:focus-visible,.brand-link:hover,.nav-link:focus-visible,.nav-link:hover{color:var(--accent-strong)}.brand-link:focus-visible:after,.brand-link:hover:after,.nav-link:focus-visible:after,.nav-link:hover:after{opacity:1;transform:scaleX(1)}.content-card{animation:card-enter .46s var(--motion-ease) both}.card-link-overlay{border-radius:inherit;z-index:2;position:absolute;inset:0}.card-tags{z-index:3;position:relative}.grid>.card:nth-child(2),.grid>.content-card:nth-child(2){animation-delay:70ms}.grid>.card:nth-child(3),.grid>.content-card:nth-child(3){animation-delay:.12s}.grid>.card:nth-child(4),.grid>.content-card:nth-child(4){animation-delay:.17s}@keyframes fade-rise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes fade-drop{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}@keyframes fade-in-soft{0%{opacity:0}to{opacity:1}}@keyframes card-enter{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@media (max-width:760px){.section{padding:34px 0}.grid.three,.grid.two{grid-template-columns:1fr}.article-layout{padding-top:36px}.article-header{margin-bottom:28px}.article-title{font-size:clamp(1.78rem,8.8vw,2.45rem)}.article-description{font-size:1rem;line-height:1.68}.prose{font-size:1rem;line-height:1.78}html:lang(zh-CN) .prose{font-size:1rem;line-height:1.86}.prose h1{font-size:1.72rem}.prose h2{font-size:1.38rem}.prose h3{font-size:1.18rem}.prose pre{border-radius:0;margin-left:-16px;margin-right:-16px}.site-nav{gap:8px}.nav-link{font-size:.86rem}.language-toggle-button{min-width:38px}.theme-toggle{width:30px;height:30px}}@media (prefers-reduced-motion:reduce){*,:after,:before{scroll-behavior:auto!important;transition-duration:1ms!important;animation-duration:1ms!important;animation-iteration-count:1!important;animation-delay:0s!important}.card:focus-within,.card:hover,.theme-toggle:focus-visible,.theme-toggle:hover,a.tag:focus-visible,a.tag:hover{transform:none}.card:before{opacity:0!important;transform:none!important}}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}