.theme-icon-light,[data-theme=light] .theme-icon-dark{display:none}[data-theme=light] .theme-icon-light{display:block}.menu-close-icon[data-astro-cid-nen7h5rs],[data-astro-cid-nen7h5rs][aria-expanded=true] .menu-open-icon[data-astro-cid-nen7h5rs]{display:none}[data-astro-cid-nen7h5rs][aria-expanded=true] .menu-close-icon[data-astro-cid-nen7h5rs]{display:block}.sr-only[data-astro-cid-oqgw6c2e]{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@font-face{font-family:Space Grotesk Variable;font-style:normal;font-display:swap;font-weight:300 700;src:url(/_astro/space-grotesk-vietnamese-wght-normal.D0rl6rjA.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Space Grotesk Variable;font-style:normal;font-display:swap;font-weight:300 700;src:url(/_astro/space-grotesk-latin-ext-wght-normal.D9tNdqV9.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Space Grotesk Variable;font-style:normal;font-display:swap;font-weight:300 700;src:url(/_astro/space-grotesk-latin-wght-normal.BhU9QXUp.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{color-scheme:dark;--bg:#08090d;--bg-raised:#0e1017;--bg-soft:#141722;--surface:#12151fc7;--surface-solid:#12151f;--surface-hover:#191d2a;--text:#f4f5f8;--text-soft:#b5b8c6;--text-muted:#8a8fa1;--line:#ffffff1a;--line-strong:#ffffff2e;--violet:#9b87f5;--violet-bright:#b8a7ff;--cyan:#59d8e6;--amber:#ffbd66;--rose:#ff7f9f;--success:#75df9a;--shadow:0 24px 80px #0000005c;--radius-sm:.7rem;--radius:1rem;--radius-lg:1.5rem;--shell:1180px;--header-height:72px;--font-sans:"Space Grotesk Variable", ui-sans-serif, "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;--font-mono:"SFMono-Regular", Consolas, "Liberation Mono", monospace;--display-weight:650;--display-tracking:-.035em;--type-page-title:clamp(2rem, 4.2vw, 3.5rem);--type-section-title:clamp(1.85rem, 3.8vw, 3.25rem);--type-lead:clamp(1rem, 1.6vw, 1.18rem)}:root[data-theme=light]{color-scheme:light;--bg:#f5f4f0;--bg-raised:#fff;--bg-soft:#ebe9e3;--surface:#ffffffc7;--surface-solid:#fff;--surface-hover:#f0eee8;--text:#17171c;--text-soft:#4e5160;--text-muted:#666b78;--line:#14161e1a;--line-strong:#14161e2e;--violet:#6956c9;--violet-bright:#5846ba;--cyan:#087e8d;--amber:#a86200;--rose:#c83e63;--success:#187a3b;--shadow:0 24px 70px #26252a1f}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-height) + 1rem);background:var(--bg)}body{min-width:0;color:var(--text);background:radial-gradient(circle at 8% -10%, color-mix(in srgb, var(--violet) 17%, transparent), transparent 34rem), radial-gradient(circle at 92% 4%, color-mix(in srgb, var(--cyan) 10%, transparent), transparent 30rem), var(--bg);font-family:var(--font-sans);font-optical-sizing:auto;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;margin:0;font-size:16px;line-height:1.72;transition:background-color .18s,color .18s}body[data-surface=main]{background:var(--bg)}body[data-surface=main]:before{opacity:.08}body[data-surface=main] .eyebrow:before{box-shadow:none}body[data-surface=main] .eyebrow{letter-spacing:.06em;text-transform:none}body[data-surface=main] .card:after{opacity:.05}body[data-surface=main] .card:hover{transform:none}h1,h2,h3,h4{font-weight:var(--display-weight);text-wrap:balance}p,li,dd,blockquote{overflow-wrap:break-word;text-wrap:pretty}html:lang(zh-CN) body{line-break:strict}@supports (word-break:auto-phrase){html:lang(zh-CN) h1,html:lang(zh-CN) h2,html:lang(zh-CN) h3,html:lang(zh-CN) h4{word-break:auto-phrase}}body:before{z-index:-1;background-image:linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);content:"";pointer-events:none;opacity:.22;background-size:64px 64px;position:fixed;inset:0;mask-image:linear-gradient(#00000057,#0000 76%)}::selection{color:#0a0910;background:var(--violet-bright)}a{color:inherit;text-decoration:none}button,input,textarea{color:inherit;font:inherit}button,a{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid color-mix(in srgb, var(--cyan) 70%, white);outline-offset:4px}img{max-width:100%;display:block}.skip-link{z-index:999;color:#08090d;background:var(--cyan);border-radius:999px;padding:.65rem 1rem;font-weight:700;position:fixed;top:.75rem;left:.75rem;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}.shell{width:min(calc(100% - 2.5rem), var(--shell));margin-inline:auto}.site-main{min-height:calc(100vh - 12rem);padding-top:var(--header-height);overflow:clip}.page-section{padding-block:clamp(4rem,7vw,6.5rem)}.section-heading{justify-content:space-between;align-items:end;gap:2rem;margin-bottom:2.25rem;display:flex}.section-heading h2,.page-title{max-width:18ch;font-size:var(--type-section-title);letter-spacing:var(--display-tracking);margin:0;line-height:1.1}.page-title{font-size:var(--type-page-title)}.section-heading p{max-width:42rem;color:var(--text-soft);margin:0}.eyebrow{color:var(--text-muted);font-family:var(--font-mono);letter-spacing:.13em;text-transform:uppercase;align-items:center;gap:.6rem;margin:0 0 1rem;font-size:.76rem;font-weight:650;display:inline-flex}.eyebrow:before{content:"";background:currentColor;border-radius:50%;width:.55rem;height:.55rem;box-shadow:0 0 18px}.eyebrow[data-tone=violet]{color:var(--violet-bright)}.eyebrow[data-tone=cyan]{color:var(--cyan)}.eyebrow[data-tone=amber]{color:var(--amber)}.eyebrow[data-tone=rose]{color:var(--rose)}.lead{max-width:48rem;color:var(--text-soft);font-size:var(--type-lead);margin:1.5rem 0 0}.button-row{flex-wrap:wrap;gap:.75rem;margin-top:2rem;display:flex}.button{border:1px solid var(--line-strong);background:var(--surface);backdrop-filter:blur(14px);border-radius:999px;justify-content:center;align-items:center;gap:.55rem;min-height:46px;padding:.72rem 1.1rem;font-size:.92rem;font-weight:680;transition:transform .16s,border-color .16s,background .16s;display:inline-flex}.button:hover{border-color:var(--violet);background:var(--surface-hover);transform:translateY(-2px)}.button.primary{color:#0c0b12;background:linear-gradient(135deg, var(--violet-bright), #d9d0ff);border-color:#0000}.button.primary:hover{background:linear-gradient(135deg,#c2b4ff,#f0ecff)}.text-link{color:var(--text-soft);align-items:center;gap:.45rem;font-weight:660;display:inline-flex}.text-link:hover{color:var(--text)}.surface{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow);backdrop-filter:blur(18px)}.card-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;display:grid}.card{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);backdrop-filter:blur(12px);min-height:100%;padding:1.35rem;transition:transform .18s,border-color .18s,background .18s;position:relative;overflow:hidden}.card:hover{border-color:var(--line-strong);background:var(--surface-hover);transform:translateY(-4px)}.card:after{background:var(--card-glow,var(--violet));content:"";filter:blur(70px);opacity:.12;pointer-events:none;border-radius:50%;height:9rem;position:absolute;inset:auto -20% -55% 20%}.card[data-tone=cyan]{--card-glow:var(--cyan)}.card[data-tone=amber]{--card-glow:var(--amber)}.card[data-tone=rose]{--card-glow:var(--rose)}.tag-list{flex-wrap:wrap;gap:.45rem;margin:0;padding:0;list-style:none;display:flex}.tag{border:1px solid var(--line);color:var(--text-muted);background:color-mix(in srgb, var(--bg-raised) 74%, transparent);font-family:var(--font-mono);border-radius:999px;padding:.25rem .62rem;font-size:.7rem;display:inline-flex}.muted{color:var(--text-muted)}.mono{font-family:var(--font-mono)}.page-hero{padding:clamp(4rem,7.5vw,6.5rem) 0 clamp(2.5rem,5vw,4.5rem)}.page-hero .page-title{max-width:15ch}.page-hero .lead{max-width:50rem}.split-grid{grid-template-columns:minmax(0,1.3fr) minmax(16rem,.7fr);gap:clamp(1rem,3vw,2rem);display:grid}.stack{gap:1rem;display:grid}.panel{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);backdrop-filter:blur(16px);padding:clamp(1.2rem,3vw,2rem)}.panel h2,.panel h3{letter-spacing:-.03em;margin-top:0}.panel p:last-child{margin-bottom:0}.fact-list{gap:0;margin:0;display:grid}.fact-list>div{border-bottom:1px solid var(--line);grid-template-columns:minmax(7rem,.35fr) 1fr;gap:1rem;padding:.85rem 0;display:grid}.fact-list>div:last-child{border-bottom:0}.fact-list dt{color:var(--text-muted);font-family:var(--font-mono);font-size:.75rem}.fact-list dd{color:var(--text-soft);margin:0}.callout{border:1px solid color-mix(in srgb, var(--cyan) 32%, var(--line));border-radius:var(--radius);color:var(--text-soft);background:color-mix(in srgb, var(--cyan) 7%, var(--surface));padding:1rem 1.1rem}.callout strong{color:var(--text)}.site-header{z-index:100;height:var(--header-height);background:color-mix(in srgb, var(--bg) 78%, transparent);backdrop-filter:blur(18px)saturate(140%);border-bottom:1px solid #0000;transition:border-color .18s,background .18s;position:fixed;inset:0 0 auto}.site-header[data-scrolled=true]{border-bottom-color:var(--line)}.header-inner{grid-template-columns:1fr auto 1fr;align-items:center;gap:1rem;height:100%;display:grid}.brand{letter-spacing:-.03em;justify-self:start;align-items:center;gap:.7rem;font-weight:760;display:inline-flex}.brand-mark{border:1px solid var(--line-strong);width:2rem;height:2rem;color:var(--violet-bright);background:var(--surface);font-family:var(--font-mono);border-radius:.6rem;place-items:center;font-size:.76rem;display:grid}.site-nav{align-items:center;gap:.2rem;display:flex}.nav-link{color:var(--text-muted);border-radius:999px;padding:.45rem .72rem;font-size:.84rem;font-weight:640}.nav-link:hover,.nav-link[aria-current=page]{color:var(--text);background:var(--surface-hover)}.header-actions{justify-self:end;align-items:center;gap:.45rem;display:flex}.icon-button,.menu-button{border:1px solid var(--line);width:2.75rem;height:2.75rem;color:var(--text-soft);background:var(--surface);cursor:pointer;border-radius:50%;place-items:center;padding:0;display:inline-grid}.icon-button:hover,.menu-button:hover{color:var(--text);border-color:var(--line-strong)}.menu-button{display:none}.command-hint{border:1px solid var(--line);color:var(--text-muted);background:var(--surface);cursor:pointer;border-radius:999px;align-items:center;gap:.45rem;padding:.45rem .72rem;font-size:.78rem;display:inline-flex}.command-hint kbd{color:var(--text-soft);font-family:var(--font-mono);font-size:.7rem}.site-footer{border-top:1px solid var(--line);color:var(--text-muted);padding:2rem 0 3rem}.footer-grid{grid-template-columns:1.2fr 1fr 1fr;gap:2rem;display:grid}.footer-title{color:var(--text);margin:0 0 .5rem;font-size:1.1rem}.footer-links{flex-direction:column;align-items:start;gap:.4rem;display:flex}.footer-links a:hover{color:var(--text)}.footer-bottom{border-top:1px solid var(--line);font-family:var(--font-mono);justify-content:space-between;gap:1rem;margin-top:2.2rem;padding-top:1.2rem;font-size:.72rem;display:flex}.command-dialog{border:1px solid var(--line-strong);border-radius:var(--radius-lg);width:min(100% - 2rem,650px);max-height:min(76vh,650px);color:var(--text);background:var(--surface-solid);padding:0;overflow:hidden;box-shadow:0 30px 120px #00000094}.command-dialog::backdrop{backdrop-filter:blur(10px);background:#020306bd}.command-search{border-bottom:1px solid var(--line);align-items:center;gap:.8rem;padding:1rem 1.1rem;display:flex}.command-search input{width:100%;color:var(--text);background:0 0;border:0;outline:0;padding:0;font-size:1rem}.command-results{gap:.35rem;max-height:54vh;padding:.7rem;display:grid;overflow:auto}.command-result{border-radius:.75rem;grid-template-columns:1fr auto;gap:.8rem;padding:.75rem .85rem;display:grid}.command-result:hover,.command-result:focus-visible,.command-result.is-active{background:var(--surface-hover)}.command-result strong{font-size:.9rem;display:block}.command-result span{color:var(--text-muted);font-size:.75rem}.command-empty{color:var(--text-muted);text-align:center;padding:2rem}.command-footer{border-top:1px solid var(--line);color:var(--text-muted);font-family:var(--font-mono);justify-content:space-between;padding:.7rem 1rem;font-size:.7rem;display:flex}.prose{width:min(100%,740px);color:var(--text-soft);margin-inline:auto;font-size:1.05rem;line-height:1.9}.prose h2,.prose h3,.prose h4{color:var(--text);letter-spacing:-.03em;scroll-margin-top:calc(var(--header-height) + 1rem);line-height:1.25}.prose h2{margin:3.5rem 0 1rem;font-size:1.7rem}.prose h3{margin:2.5rem 0 .8rem;font-size:1.3rem}.prose p,.prose ul,.prose ol{margin:1.15rem 0}.prose li+li{margin-top:.35rem}.prose strong{color:var(--text)}.prose a{color:var(--cyan);text-underline-offset:.2em;text-decoration:underline}.prose blockquote{border-left:3px solid var(--violet);color:var(--text);margin:2rem 0;padding:.3rem 0 .3rem 1.25rem;font-size:1.12rem}.prose code{border:1px solid var(--line);color:var(--rose);background:var(--surface);font-family:var(--font-mono);border-radius:.35rem;padding:.15em .38em;font-size:.88em}.prose pre{border:1px solid var(--line);border-radius:var(--radius);margin:1.6rem 0;padding:1.15rem;position:relative;overflow:auto;background:#0d1117!important}.prose pre code{color:inherit;background:0 0;border:0;padding:0}.prose hr{border:0;border-top:1px solid var(--line);margin:3rem 0}.reveal{animation:.56s cubic-bezier(.22,1,.36,1) both reveal-in}@keyframes reveal-in{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}@media (width<=920px){.header-inner{grid-template-columns:1fr auto}.site-nav{inset:var(--header-height) 0 0;z-index:99;min-height:calc(100vh - var(--header-height));border-bottom:1px solid var(--line);background:color-mix(in srgb, var(--bg-raised) 96%, transparent);box-shadow:var(--shadow);align-content:start;padding:.8rem 1.25rem 1.25rem;display:none;position:fixed}.site-nav[data-open=true]{display:grid}.nav-link{padding:.75rem .9rem}.header-actions{grid-column:2}.menu-button{display:inline-grid}.command-hint span{display:none}.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:1fr 1fr}.split-grid{grid-template-columns:1fr}}@media (width<=640px){:root{--header-height:64px}.shell{width:min(calc(100% - 1.4rem), var(--shell))}.brand span:last-child{display:none}.command-hint{justify-content:center;width:2.75rem;height:2.75rem;padding:0}.command-hint kbd{display:none}.section-heading{flex-direction:column;align-items:start;gap:.8rem}.card-grid,.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;align-items:start}.fact-list>div{grid-template-columns:1fr;gap:.2rem}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.reveal{animation:none}}