@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/static/inter-cyrillic-ext-wght-normal.BOeWTOD4.woff2) format("woff2-variations");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/static/inter-cyrillic-wght-normal.DqGufNeO.woff2) format("woff2-variations");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/static/inter-greek-ext-wght-normal.DlzME5K_.woff2) format("woff2-variations");unicode-range:U+1F00-1FFF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/static/inter-greek-wght-normal.CkhJZR-_.woff2) format("woff2-variations");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/static/inter-vietnamese-wght-normal.CBcvBZtf.woff2) format("woff2-variations");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/static/inter-latin-ext-wght-normal.DO1Apj_S.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,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:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/static/inter-latin-wght-normal.Dx4kXJAl.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--bg:#f6f5f2;--bg-soft:#fbfaf8;--paper:#ffffff;--ink:#15161a;--body:#3b3d44;--muted:#6f727a;--faint:#9a9da4;--line:#e8e6e0;--line-2:#ddd9d1;--accent:#3257e8;--accent-soft:#eef1ff;--ok:#1c9a63;--code:#16171c;--code-fg:#d8dbe2;--code-dim:#6b6f79;--r:13px;--maxw:1080px;--mono:"SF Mono",ui-monospace,"JetBrains Mono",Menlo,Consolas,monospace;--sans:"Inter Variable","Inter",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;--serif:"Iowan Old Style","Palatino Linotype",Georgia,"Songti SC",serif}*{box-sizing:border-box;margin:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--body);font-family:var(--sans);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;font-feature-settings:"cv05","ss01"}a{color:inherit;text-decoration:none}::selection{background:#dde3ff}img,svg{display:block}.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:28px}.reveal{opacity:0;transform:translateY(14px);transition:opacity .7s cubic-bezier(.2,.6,.2,1),transform .7s cubic-bezier(.2,.6,.2,1)}.reveal.in{opacity:1;transform:none}.btn{display:inline-flex;align-items:center;gap:8px;font-weight:500;font-size:15px;padding:11px 20px;border-radius:10px;transition:.18s;cursor:pointer;border:1px solid transparent;white-space:nowrap}.btn-dark{background:var(--ink);color:#fff;border-color:var(--ink)}.btn-dark:hover{background:#000;transform:translateY(-1px)}.btn-line{background:var(--paper);color:var(--ink);border-color:var(--line-2)}.btn-line:hover{border-color:var(--ink)}nav{position:sticky;top:0;z-index:40;background:#f6f5f2c7;backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid transparent;transition:border-color .25s}nav.stuck{border-bottom-color:var(--line)}.nav{display:flex;align-items:center;justify-content:space-between;height:66px}.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:17.5px;letter-spacing:-.02em;color:var(--ink)}.brand .mk{width:24px;height:24px;border-radius:7px;background:linear-gradient(140deg,#4f9dff,#7a6bff 55%,#c46bff);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700}.nav-links{display:flex;gap:30px}.nav-links a{color:var(--muted);font-size:15px;transition:color .15s}.nav-links a:hover{color:var(--ink)}.nav-right{display:flex;align-items:center;gap:18px}.lang{font-family:var(--mono);font-size:13px;color:var(--muted);background:none;border:none;cursor:pointer;padding:4px}.lang:hover{color:var(--ink)}@media(max-width:740px){.nav-links{display:none}}.hero{text-align:center;padding:108px 0 0;position:relative}.kicker{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:12.5px;letter-spacing:.02em;color:var(--muted);border:1px solid var(--line-2);background:var(--paper);border-radius:999px;padding:6px 14px;margin-bottom:32px}.kicker .dot{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px #1c9a6324}h1{font-size:clamp(42px,6.6vw,76px);line-height:1.04;letter-spacing:-.045em;font-weight:600;color:var(--ink);margin-inline:auto;max-width:15ch}h1 em{font-style:italic;font-family:var(--serif);font-weight:500;color:var(--accent);letter-spacing:-.01em}.lede{max-width:600px;margin:26px auto 40px;color:var(--muted);font-size:clamp(17px,2.1vw,20px);line-height:1.62}.lede b{color:var(--ink);font-weight:500}.cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.run{display:inline-flex;align-items:center;gap:14px;margin:34px auto 0;font-family:var(--mono);font-size:15px;color:var(--ink);background:var(--paper);border:1px solid var(--line-2);border-radius:11px;padding:12px 12px 12px 18px;box-shadow:0 1px #14162808}.run .p{color:var(--faint)}.cp{cursor:pointer;background:var(--bg);border:1px solid var(--line-2);border-radius:8px;color:var(--muted);font-family:var(--mono);font-size:12px;padding:6px 12px;transition:.15s}.cp:hover{color:var(--ink)}.cp.ok{color:var(--ok);border-color:#bfe3cd}.hi{max-width:524px;margin:40px auto 0;text-align:left;background:#fff;border:1px solid #e5e2da;border-radius:16px;box-shadow:0 2px 4px #1416280d,0 32px 64px -30px #222e6847}.hi-tabs{display:flex;gap:6px;padding:8px;border-bottom:1px solid var(--line)}.htab{flex:1;font-size:13.5px;font-weight:600;color:var(--muted);background:none;border:none;border-radius:10px;padding:10px;cursor:pointer;transition:.16s;font-family:var(--sans)}.htab.on{color:#fff;background:var(--ink)}.htab:hover:not(.on){color:var(--ink);background:var(--bg)}.hi-body{padding:16px;min-height:60px;display:flex;align-items:center}.hpanel{display:none;width:100%}.hpanel.on{display:flex;align-items:center;gap:10px}.hcmd{flex:1;font-family:var(--mono);font-size:15px;color:var(--ink);overflow-x:auto;white-space:nowrap;scrollbar-width:none;padding-left:6px}.hcmd::-webkit-scrollbar{display:none}.hcmd .p{color:var(--accent)}.hi .cp{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:500;padding:9px 16px;font-size:13px}.hi .cp:hover{background:#000}.hi .cp.ok{background:var(--ok);border-color:var(--ok);color:#fff}.hpanel[data-h=dl].on{flex-direction:column;align-items:stretch;gap:14px}.dlgroup{display:flex;flex-direction:column;gap:8px}.dllabel{display:flex;align-items:center;gap:7px;font-family:var(--mono);font-size:11.5px;letter-spacing:.02em;color:var(--muted);text-align:left}.dllabel .dot{width:6px;height:6px;border-radius:50%}.dllabel .dot.ok{background:var(--ok)}.dllabel .dot.pre{background:var(--accent)}.dlrow{display:flex;gap:8px}.hpanel[data-h=npm].on,.hpanel[data-h=brew].on{flex-direction:column;align-items:stretch;gap:16px}.cmdgroup{display:flex;flex-direction:column;gap:8px}.cmdrow{display:flex;align-items:center;gap:10px;min-width:0}.cmdrow .hcmd{flex:1}.cmdtag{align-self:flex-start;font-family:var(--mono);font-size:10.5px;font-weight:600;letter-spacing:.02em;padding:3px 9px;border-radius:999px;white-space:nowrap}.cmdtag.ok{color:var(--ok);background:#1c9a631a}.cmdtag.pre{color:var(--accent);background:var(--accent-soft)}.hdl{flex:1;text-align:center;font-size:13.5px;font-weight:600;color:var(--ink);background:var(--bg);border:1px solid var(--line-2);border-radius:10px;padding:12px 8px;transition:.15s}.hdl:hover{border-color:var(--ink);background:#fff}.hnote{margin:16px auto 0;max-width:600px;font-size:13px;line-height:1.65;color:var(--muted)}.hnote b{color:var(--ink);font-weight:600}.hnote code{font-family:var(--mono);font-size:12px;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:1px 6px}.hnote a{color:var(--ink);font-weight:600;text-decoration:none;border-bottom:1px solid var(--line-2)}.hnote a:hover{border-color:var(--ink)}.ghlink{display:inline-block;margin-top:22px;color:var(--muted);font-size:14.5px;transition:.15s}.ghlink:hover{color:var(--ink)}.term{max-width:740px;margin:74px auto 0;text-align:left;background:var(--code);border-radius:16px;overflow:hidden;box-shadow:0 1px #ffffff80,0 40px 80px -44px #181a348c,0 0 0 1px #1416280a}.tbar{display:flex;align-items:center;gap:7px;padding:14px 18px;border-bottom:1px solid rgba(255,255,255,.06)}.tbar i{width:11px;height:11px;border-radius:50%;background:#33363f}.tbar span{margin-left:12px;font-family:var(--mono);font-size:12px;color:#71757f}.tbody{padding:22px 24px;min-height:236px;font-family:var(--mono);font-size:13px;line-height:2;color:var(--code-fg);white-space:pre-wrap}.tbody .ln{display:block;opacity:0;transform:translateY(3px);transition:opacity .25s,transform .25s}.tbody .ln.on{opacity:1;transform:none}.tbody .u{color:#7aa2ff}.tbody .i{color:#9ab8ff}.tbody .d{color:#6a6e78}.tbody .k{color:#7bd6a9}.tbody .e{color:#c7a3f0}.tbody .c{color:#585c66}.caret{display:inline-block;width:7px;height:15px;background:#7aa2ff;vertical-align:-2px;margin-left:2px;animation:bl 1s steps(1) infinite}@keyframes bl{50%{opacity:0}}@media(max-width:560px){.tbody{font-size:11px}}section{padding:112px 0}.lab{font-family:var(--mono);font-size:13px;letter-spacing:.05em;color:var(--accent);margin-bottom:16px}h2{font-size:clamp(28px,4vw,42px);line-height:1.12;letter-spacing:-.035em;font-weight:600;color:var(--ink);max-width:18ch}.sub{color:var(--muted);font-size:18px;max-width:560px;margin-top:14px}.head{margin-bottom:48px}.tabs{display:flex;gap:26px;border-bottom:1px solid var(--line)}.tab{font-size:15px;font-weight:500;color:var(--muted);background:none;border:none;border-bottom:2px solid transparent;padding:0 0 14px;margin-bottom:-1px;cursor:pointer;transition:.15s}.tab.on{color:var(--ink);border-bottom-color:var(--ink)}.tab:hover{color:var(--ink)}.panel{display:none}.panel.on{display:block;animation:fade .35s ease}@keyframes fade{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.block{position:relative;background:var(--code);border-radius:13px;margin-top:24px;overflow:hidden}.block pre{padding:24px 26px;font-family:var(--mono);font-size:14px;line-height:2.1;color:var(--code-fg);white-space:pre-wrap;overflow-x:auto}.block .p{color:#7aa2ff}.block .c{color:#6a6e78}.block .cp{position:absolute;top:14px;right:14px;background:#ffffff0f;border-color:#ffffff1f;color:#aeb2bc}.block .cp:hover{color:#fff}.under{margin-top:16px;color:var(--muted);font-size:15px}.under code{font-family:var(--mono);font-size:13px;background:var(--paper);border:1px solid var(--line);padding:1px 6px;border-radius:5px;color:var(--ink)}.under a{color:var(--accent)}.dls{margin-top:24px;border-top:1px solid var(--line)}.dl{display:flex;align-items:center;gap:18px;padding:18px 6px;border-bottom:1px solid var(--line);transition:.15s}.dl:hover{background:var(--bg-soft)}.dl .os{font-weight:600;color:var(--ink);min-width:84px;font-size:15.5px}.dl .fn{font-family:var(--mono);font-size:13.5px;color:var(--body);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dl .ar{font-size:13px;color:var(--faint);white-space:nowrap}.dl .go{color:var(--accent);font-family:var(--mono)}@media(max-width:600px){.dl .ar{display:none}.dl .fn{font-size:12px}}.grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}@media(max-width:820px){.grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:540px){.grid{grid-template-columns:1fr}}.feat{padding:34px 30px 36px 0;border-bottom:1px solid var(--line)}.feat .n{font-family:var(--mono);font-size:12.5px;color:var(--faint);margin-bottom:14px}.feat h3{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:8px;letter-spacing:-.01em}.feat p{color:var(--muted);font-size:15px;line-height:1.6}.feat code{font-family:var(--mono);font-size:12.5px;color:var(--ink)}.why{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}@media(max-width:760px){.why{grid-template-columns:1fr;gap:40px}}.nums{display:flex;flex-direction:column;gap:26px}.num{display:flex;align-items:baseline;gap:20px;border-top:1px solid var(--line);padding-top:22px}.num .v{font-size:42px;font-weight:600;letter-spacing:-.03em;color:var(--ink);min-width:128px}.num .l{color:var(--muted);font-size:15px}.band{background:var(--ink);border-radius:20px;padding:60px 48px;text-align:center;color:#fff}.band h2{color:#fff;margin-inline:auto}.band .sub{color:#a7abb6;margin-inline:auto;margin-bottom:30px}.band .run{background:#1f2128;border-color:#2c2f38;color:#eef0f4}.band .run .p{color:#6b6f79}.band .cp{background:#15161a;border-color:#2c2f38;color:#aeb2bc}footer{border-top:1px solid var(--line);padding:46px 0;margin-top:8px}.foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;color:var(--faint);font-size:14.5px}.foot a{color:var(--muted)}.foot a:hover{color:var(--ink)}.foot-links{display:flex;gap:26px;flex-wrap:wrap}[data-zh]{display:none}:root[lang=zh] [data-en]{display:none}:root[lang=zh] [data-zh]{display:inline}:root[lang=zh] [data-zh].blk{display:block}:root[lang=zh] h1,:root[lang=zh] h2{letter-spacing:-.02em}