@font-face{font-family:Google Sans Flex;font-style:oblique 0deg 10deg;font-display:swap;font-weight:1 1000;font-stretch:25% 151%;src:url(/_astro/GoogleSansFlex-latin-ext.Dts5KydU.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-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Google Sans Flex;font-style:oblique 0deg 10deg;font-display:swap;font-weight:1 1000;font-stretch:25% 151%;src:url(/_astro/GoogleSansFlex-latin.Bh-jJm8p.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}@font-face{font-family:Lora Variable;font-style:normal;font-display:swap;font-weight:400 700;src:url(/_astro/Lora-wght.CjumTWhB.woff2)format("woff2-variations")}@font-face{font-family:Paper Mono;font-style:normal;font-display:swap;font-weight:100 800;src:url(/_astro/PaperMono-wght.gRWSTw1s.woff2)format("woff2-variations")}:root{--type-font-display:"Red Hat Display", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Helvetica, Arial, sans-serif;--type-font-text:"Red Hat Text", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Helvetica, Arial, sans-serif;--type-font-web:"General Sans", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Helvetica, Arial, sans-serif;--type-font-site:"Google Sans Flex", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Helvetica, Arial, sans-serif;--type-font-mono:"Paper Mono", ui-monospace, "SF Mono", Menlo, Consolas, "Courier New", monospace;--type-font-serif:Lora, "Noto Serif SC", "Songti SC", Georgia, 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(width<=767px){:root{--type-hero-size:48px;--type-title-size:35px;--type-heading-size:20px;--type-lead-size:18px;--type-body-size:16px;--type-quote-size:24px;--type-document-size:16px}.type-document{--type-title-size:29px;--type-heading-size:20px;--type-lead-size:18px;--type-body-size:16px;--type-quote-size:18px;--type-document-size:16px}}:lang(zh){--type-lead-line-height:1.75;--type-body-line-height:1.75;--type-quote-line-height:1.75;--type-document-line-height:1.75;--type-hero-line-height:1.2;--type-label-letter-spacing:0em;--type-label-text-transform:none}:lang(zh) :not(:lang(zh)){--type-lead-line-height:1.5;--type-body-line-height:1.5;--type-quote-line-height:1.5;--type-document-line-height:1.5;--type-hero-line-height:1.1;--type-label-letter-spacing:.125em;--type-label-text-transform:uppercase}:root{color-scheme:light;--font-cjk:"Resomark CJK Apple", "Resomark CJK";--font-cjk-sans:"PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", "Noto Sans 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3rem);--site-title-weight:500;--site-closing-weight:550;--site-title-line-height:1.12;--site-title-tracking:-.025em;--site-heading-size:clamp(1.125rem, 1.05rem + .25vw, 1.25rem);--site-heading-weight:550;--site-heading-line-height:1.35;--site-heading-tracking:0;--site-step-size:clamp(1.25rem, 1rem + .6vw, 1.5rem);--site-lead-size:clamp(1.0625rem, 1.02rem + .15vw, 1.125rem);--site-lead-weight:400;--site-lead-line-height:1.6;--site-body-size:1rem;--site-body-weight:400;--site-body-line-height:1.6;--site-small-size:.875rem;--site-small-line-height:1.5;--site-figure-size:clamp(1.75rem, 1.4rem + 1vw, 2.25rem);--site-figure-weight:500;--site-button-weight:550;--site-nav-weight:500;--site-figure-tracking:0;--site-zh-title-tracking:-.02em;--site-zh-title-latin-tracking:-.025em;--site-zh-heading-tracking:-.01em;--site-zh-heading-latin-tracking:0;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--space-24:6rem;--space-32:8rem;--section-y:clamp(4rem, 2.5rem + 4vw, 6.5rem);--head-gap:var(--space-4);--more-gap:var(--space-5);--content-gap:clamp(2.5rem, 1.6rem + 2.4vw, 4rem);--gutter:clamp(1rem, .4rem + 2.6vw, 2.5rem);--container:68.75rem;--container-wide:82rem;--measure:36rem;--radius-xs:4px;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:20px;--radius-2xl:28px;--radius-pill:999px;--radius-window:12px;--mock-fs:3.1cqw;--mock-fs-s:2.55cqw;--mock-fs-cap:2.5cqw;--mock-r:3.2cqw;--ease-out:cubic-bezier(.16, 1, .3, 1);--ease-in-out:cubic-bezier(.65, 0, .35, 1);--ease-spring:cubic-bezier(.34, 1.4, .64, 1);--dur-1:.12s;--dur-2:.2s;--dur-3:.36s;--dur-4:.64s;--dur-5:.96s;--cream:#fcfbf7;--bg:#fff;--bg-subtle:#fff;--surface:#fff;--surface-2:#f4f4f1;--surface-3:#ebebe7;--ink:#1d1d1f;--ink-2:#4b4c4e;--ink-3:#6b6e75;--ink-4:#85878c;--ink-dim:color-mix(in srgb, var(--blue) 18%, #646a75);--wordmark-ink:var(--ink);--nav-ink:var(--ink);--footer-link-ink:var(--ink);--footer-note-ink:var(--ink-3);--line-ink:color-mix(in srgb, var(--blue) 30%, #0f1115);--line:color-mix(in srgb, var(--line-ink) 10%, transparent);--line-2:color-mix(in srgb, var(--line-ink) 17%, transparent);--line-strong:color-mix(in srgb, var(--line-ink) 27%, transparent);--blue:#638ae0;--brand:#4b77db;--accent:var(--blue);--accent-hover:color-mix(in srgb, var(--accent) 88%, black);--accent-text:#3464db;--accent-text-hover:#224ec3;--accent-soft:color-mix(in srgb, var(--accent) 11%, transparent);--accent-line:color-mix(in srgb, var(--accent) 30%, transparent);--accent-on-soft:color-mix(in srgb, var(--blue) 74%, black);--accent-text-card:color-mix(in srgb, var(--accent-text-hover) 90%, black);--accent-text-card-hover:color-mix(in srgb, var(--accent-text-hover) 75%, black);--on-accent:#fff;--folder-fill:linear-gradient(color-mix(in srgb, var(--blue) 62%, white), var(--blue));--mark-mod:#d3b020;--mark-add:#1f8f4a;--mark-add-bg:#27a6571f;--mark-add-word:#27a6575c;--mark-del:#cf4d59;--mark-del-bg:#e06c7621;--mark-del-word:#f05a585c;--mark-old-ink:color-mix(in srgb, var(--ink) 50%, transparent);--win-bar:#f6f6f4;--win-side:#f2f2ef;--win-select:#0f111512;--grain-size:180px 180px;--shadow-1:0 1px 2px #0f11150d, 0 0 0 1px var(--line);--shadow-2:0 0 0 1px var(--line), 0 2px 4px #0f11150a, 0 10px 24px -8px #0f11151f;--shadow-3:0 0 0 1px var(--line), 0 4px 8px #0f11150a, 0 24px 48px -16px #0f11152e;--shadow-window:0 0 0 1px #0f111512, 0 1px 2px #0f11150a, 0 6px 14px -4px #0f11150d, 0 24px 48px -16px #0f11151f, 0 56px 110px -40px color-mix(in srgb, var(--blue) 18%, transparent);--highlight-top:inset 0 1px 0 #ffffffb3;--glow:radial-gradient(60% 55% at 50% 40%, color-mix(in srgb, var(--blue) 16%, transparent), transparent 70%);--focus-ring:0 0 0 2px var(--bg), 0 0 0 4px var(--accent)}:root:is([data-route=changes],[data-route=editor],[data-route=git]){--section-y:clamp(2.5rem, 1.5rem + 2.6vw, 4rem);--content-gap:clamp(2rem, 1.4rem + 1.6vw, 3rem)}:root[data-route=home]{--bg:var(--cream);--section-y:clamp(3.5rem, 2.2rem + 4.6vw, 6rem);--content-gap:clamp(2.5rem, 1.9rem + 1.7vw, 3.5rem)}:root[data-route=pricing]{--bg:var(--cream)}:root[data-theme=dark]{color-scheme:dark;--bg:#0b0c0e;--bg-subtle:#111216;--surface:#141519;--surface-2:#191b20;--surface-3:#22252b;--ink:#edeef0;--ink-2:#afb0b2;--ink-3:#808183;--ink-4:#5d5e60;--ink-dim:color-mix(in srgb, var(--blue) 14%, #646a75);--line-ink:color-mix(in srgb, var(--blue) 25%, white);--line:color-mix(in srgb, var(--line-ink) 8.5%, transparent);--line-2:color-mix(in srgb, var(--line-ink) 13.5%, transparent);--line-strong:color-mix(in srgb, var(--line-ink) 22%, transparent);--accent-on-soft:color-mix(in srgb, var(--blue) 98%, white);--accent-text:var(--accent);--accent-text-hover:color-mix(in srgb, var(--blue) 78%, white);--accent-text-card:color-mix(in srgb, var(--blue) 48%, white);--accent-text-card-hover:color-mix(in srgb, var(--blue) 35%, white);--mark-mod:#d9b52b;--mark-add:#46be74;--mark-add-bg:#3fb96e24;--mark-add-word:#27a65754;--mark-del:#ef7c86;--mark-del-bg:#ef7c8621;--mark-del-word:#f1585554;--mark-old-ink:color-mix(in srgb, var(--ink) 50%, transparent);--win-bar:#1c1e23;--win-side:#17191d;--win-select:#ffffff12;--grain-size:120px 120px;--shadow-1:0 0 0 1px var(--line);--shadow-2:0 0 0 1px var(--line), 0 8px 24px -8px #00000080;--shadow-3:0 0 0 1px var(--line-2), 0 24px 48px -16px #0009;--shadow-window:0 0 0 1px #ffffff1a, 0 1px 0 #ffffff0a, 0 16px 32px -8px #00000080, 0 48px 96px -32px #000000b3, 0 64px 140px -40px color-mix(in srgb, var(--blue) 24%, transparent);--highlight-top:inset 0 1px 0 #ffffff0f;--glow:radial-gradient(60% 55% at 50% 40%, color-mix(in srgb, var(--blue) 22%, transparent), transparent 70%)}:root[data-theme=dark]:not([data-route=home]){--bg:var(--bg-subtle)}:root:lang(zh){--measure:32rem;--font-doc:var(--font-text);--site-hero-tracking:var(--site-zh-title-tracking);--site-hero-display-tracking:var(--site-zh-title-tracking);--site-hero-display-line-height:1.08;--site-title-tracking:var(--site-zh-title-tracking);--site-heading-tracking:var(--site-zh-heading-tracking);--site-lead-line-height:1.75;--site-body-line-height:1.75;--site-hero-weight:500;--site-hero-display-weight:500;--site-title-weight:500;--site-closing-weight:600;--site-heading-weight:600;--site-lead-weight:400;--site-body-weight:400;--site-figure-weight:500;--site-button-weight:var(--type-button-weight);--site-nav-weight:var(--type-small-weight-emphasis);--site-zh-hero-weight:600;--site-zh-hero-latin-weight:520}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:5rem}body{background:var(--bg);color:var(--ink);font-family:var(--font-text);font-feature-settings:var(--font-features);font-size:var(--site-body-size);font-weight:var(--site-body-weight);line-height:var(--site-body-line-height);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;isolation:isolate;margin:0;position:relative;overflow-x:clip}img,video,svg{max-width:100%;display:block}img,video{height:auto}.logo{flex:none;display:inline-flex}.logo-dark,:root[data-theme=dark] .logo-light{display:none}.logo-ui{color:var(--wordmark-ink)}.logo-ui svg{width:100%;height:100%;display:block}:root[data-theme=dark] .logo-dark{display:block}button{font:inherit;color:inherit}b,strong{font-weight:var(--type-body-weight-emphasis)}a{color:inherit;text-decoration:none}h1,h2,h3,h4,p,ul,ol,figure,dl,dd{margin:0}p,li,dd,figcaption,summary{text-wrap:pretty}ul[role=list],ol[role=list]{padding:0;list-style:none}::selection{background:var(--accent-soft);color:inherit}:root[data-theme=dark] ::selection{background:color-mix(in srgb, var(--accent) 35%, transparent)}:focus-visible{box-shadow:var(--focus-ring);border-radius:var(--radius-sm);outline:none}.skip{left:var(--space-4);z-index:100;padding:var(--space-2) var(--space-4);border-radius:var(--radius-pill);background:var(--ink);color:var(--bg);font-size:var(--type-small-size);line-height:var(--type-small-line-height);position:absolute;top:-100px}.skip:focus{top:var(--space-4)}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.container{width:min(100% - 2 * var(--gutter), var(--container));margin-inline:auto}.container-wide{width:min(100% - 2 * var(--gutter), var(--container-wide));margin-inline:auto}.section{padding-block:var(--section-y);position:relative}.band{background:var(--bg-subtle)}.display,.title,.h2,.h3{font-family:var(--font-display);text-wrap:balance;font-kerning:normal}.display,.title{font-size:var(--site-hero-size);font-weight:var(--site-hero-weight);line-height:var(--site-hero-line-height);letter-spacing:var(--site-hero-tracking)}.h2{font-size:var(--site-title-size);font-weight:var(--site-title-weight);line-height:var(--site-title-line-height);letter-spacing:var(--site-title-tracking)}:root[data-route] main :is(.display,.title,.h2,.uca-title){font-family:var(--font-hero-display);letter-spacing:var(--site-hero-display-tracking);line-height:var(--site-hero-display-line-height)}.h3{font-size:var(--site-heading-size);font-weight:var(--site-heading-weight);line-height:var(--site-heading-line-height);letter-spacing:var(--site-heading-tracking)}:lang(zh) .display,:lang(zh) .title,:lang(zh) .h2,:lang(zh) .h3{font-feature-settings:"palt", var(--font-features)}:lang(zh) :is(.display,.title,.h2,.uca-title){--site-lt-tracking:var(--site-zh-title-latin-tracking)}:lang(zh) :is(.h3,.st-title){--site-lt-tracking:var(--site-zh-heading-latin-tracking)}:lang(zh) .uc-title{letter-spacing:var(--site-zh-heading-tracking);--site-lt-tracking:normal}:lang(zh) .lt{letter-spacing:var(--site-lt-tracking)}.lead{font-size:var(--site-lead-size);font-weight:var(--site-lead-weight);line-height:var(--site-lead-line-height);color:var(--ink-2);max-width:var(--measure);text-wrap:pretty}.muted{color:var(--ink-3)}.fine{font-size:var(--type-small-size);line-height:var(--type-small-line-height);color:var(--ink-3)}.mono{font-family:var(--font-mono);font-feature-settings:normal}:where(code,pre,samp){font-feature-settings:normal}.eyebrow{font-family:var(--font-mono);font-feature-settings:normal;font-size:var(--type-label-size);font-weight:var(--type-label-weight);line-height:var(--type-label-line-height);letter-spacing:var(--type-label-letter-spacing);text-transform:var(--type-label-text-transform);color:var(--ink-2);align-items:center;gap:.6em;display:inline-flex}.eyebrow:before{content:"";background:var(--mark-mod);transform-origin:50% 0;border-radius:2px;width:3px;height:1.05em}.js .reveal .eyebrow:before{transition:transform var(--dur-4) var(--ease-out) .16s;transform:scaleY(0)}.js .reveal.is-in .eyebrow:before{transform:scaleY(1)}.more{font-size:var(--type-button-size);line-height:var(--type-button-line-height);font-weight:var(--type-title-weight);color:var(--accent-text);text-underline-offset:.25em;transition:color var(--dur-2) ease, text-decoration-color var(--dur-2) ease;align-items:center;gap:.35em;text-decoration-line:underline;text-decoration-color:#0000;text-decoration-thickness:1px;display:inline-flex}.more svg{width:14px;height:14px;transition:transform var(--dur-2) var(--ease-out)}.more:hover{color:var(--accent-text-hover);text-decoration-color:currentColor}.more:hover svg{transform:translate(3px)}@property --glass-turn{syntax:"<angle>";inherits:false;initial-value:-75deg}.btn,.glass{--glass-ease:cubic-bezier(.25, 1, .5, 1);--glass-face:#ffffff8c;--glass-sheen:linear-gradient(-75deg, #d1d1d108, #d1d1d11a, #d1d1d108);--glass-spec:linear-gradient(transparent, transparent);--glass-edge:#ffffffe6;--glass-inner:inset 0 1px 4px #ffffffab, inset 0 -4px 4px #ffffffd9, inset 0 0 14px #c2c2c233;--glass-drop:0 11px 17px #0000000e, 0 23px 19px #0000000a;--glass-drop-hover:0 14.3px 22.1px #00000012, 0 29.9px 24.7px #0000000d;--glass-drop-near:0 4px 10px #0000000e, 0 8px 11px #0000000a;--glass-ring:0 3px 2px -1px #0000000c;--glass-ring-hover:var(--glass-ring);--glass-ring-near:0 3px .6px -1px #0000000c;--glass-rim:#000000ed;--glass-rim-fill:linear-gradient(#ffffff80, #ffffff80);--glass-hair:#ffffff59;--glass-ink:#363636;--glass-ink-shadow:0 .05em .05em #0000000d;--glass-lit:#ffffffe6;--glass-lit-blend:normal;--glass-lamp-off:90deg;--glass-refract:0;--glass-strength:20;--glass-bezel:20;--glass-dispersion:5}.dl-mac,:root[data-dl=share] .dl-share{display:contents}.dl-share,:root[data-dl=share] .dl-mac{display:none}.dl-closed{display:contents}a[data-download-closed]{opacity:.45;pointer-events:none;cursor:default}.btn{--h:40px;height:var(--h);border-radius:var(--radius-pill);border:1px solid 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