:root{
  --bg:#070b09;
  --bg-2:#0b1210;
  --panel:#0e1714;
  --panel-2:#122019;
  --line:#1c2b23;
  --line-2:#274032;
  --fg:#d8e6df;
  --fg-dim:#8aa398;
  --green:#3ddc84;
  --green-deep:#18b45f;
  --amber:#f0a832;
  --red:#ff6b5e;
  --blue:#5eb8ff;
  --mono:ui-monospace,"Cascadia Mono","JetBrains Mono",Consolas,"Sarasa Mono SC",Menlo,monospace;
  --sans:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --radius:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--fg);
  font-family:var(--sans);font-size:16px;line-height:1.65;
  background-image:
    radial-gradient(900px 500px at 80% -10%, rgba(61,220,132,.10), transparent 60%),
    radial-gradient(700px 420px at 0% 20%, rgba(94,184,255,.06), transparent 60%);
  background-attachment:fixed;
  overflow-wrap:anywhere;
}
code,pre{font-family:var(--mono)}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--green);color:#04120a;padding:8px 14px;border-radius:0 0 8px 0;z-index:20}
.skip-link:focus{left:0}

/* header */
.site-header{position:sticky;top:0;z-index:10;background:rgba(7,11,9,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{display:flex;align-items:baseline;gap:10px;text-decoration:none;color:var(--fg)}
.brand-mark{font-family:var(--mono);color:var(--green);font-size:20px;line-height:1}
.brand-name{font-family:var(--mono);font-weight:700;font-size:20px;letter-spacing:.5px}
.brand-tag{font-size:12px;color:var(--fg-dim)}
.site-nav{display:flex;gap:6px}
.nav-short{display:none}
.site-nav a{color:var(--fg-dim);text-decoration:none;font-size:14.5px;padding:7px 13px;border-radius:8px;transition:.18s}
.site-nav a:hover{color:var(--green);background:rgba(61,220,132,.09)}
.site-nav a.nav-dl{color:#04140b;background:var(--green);font-weight:700}
.site-nav a.nav-dl:hover{color:#04140b;background:#5ce89b}
.head-right{display:flex;align-items:center;gap:10px}
.lang-btn{font-family:var(--mono);font-size:13px;line-height:1;color:var(--fg-dim);background:transparent;
  border:1px solid var(--line-2);border-radius:999px;padding:8px 13px;cursor:pointer;transition:.18s}
.lang-btn:hover{color:var(--green);border-color:var(--green-deep);background:rgba(61,220,132,.08)}
.lang-btn.on{color:#04140b;background:var(--green);border-color:var(--green);font-weight:700}

/* hero */
.hero{padding:76px 0 40px;overflow:hidden}
.hero-inner{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:52px;align-items:center}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:13px;color:var(--green);
  border:1px solid var(--line-2);background:rgba(61,220,132,.06);padding:5px 12px;border-radius:999px;margin:0 0 20px}
.hero-kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green);animation:pulse 2.2s infinite}
@keyframes pulse{50%{opacity:.35}}
h1{font-size:clamp(34px,4.4vw,54px);line-height:1.14;margin:0 0 18px;font-weight:800;letter-spacing:-.5px}
.hero-title{text-align:center;margin:0 auto 38px;font-size:clamp(26px,3.7vw,50px);line-height:1.24;letter-spacing:-.3px;text-wrap:balance}
@media (min-width:900px){html:not([lang="en"]) .hero-title{white-space:nowrap}}
.hero-sub{color:var(--fg-dim);font-size:17px;max-width:56ch;margin:0 0 26px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:34px}
.btn{display:inline-block;text-decoration:none;font-weight:600;font-size:15px;padding:12px 22px;border-radius:10px;transition:.18s;border:1px solid transparent}
.btn-primary{background:var(--green);color:#04140b;box-shadow:0 6px 24px rgba(61,220,132,.25)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(61,220,132,.35)}
.btn-ghost{border-color:var(--line-2);color:var(--fg)}
.btn-ghost:hover{border-color:var(--green);color:var(--green)}
.hero-stats{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(126px,1fr));gap:14px;margin:0;padding:0}
.hero-file{margin:-16px 0 30px;font-family:var(--mono);font-size:12.5px;color:var(--fg-dim)}
.hero-file .fname{color:var(--green)}
.hero-stats li{border-left:2px solid var(--line-2);padding-left:12px}
.hero-stats strong{display:block;font-family:var(--mono);font-size:22px;color:var(--green)}
.hero-stats span{font-size:13px;color:var(--fg-dim)}

/* terminal */
.term{background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--line-2);border-radius:var(--radius);
  box-shadow:0 24px 60px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.04);overflow:hidden}
.term-bar{display:flex;align-items:center;gap:7px;padding:10px 14px;background:rgba(0,0,0,.28);border-bottom:1px solid var(--line)}
.tbtn{width:11px;height:11px;border-radius:50%;display:inline-block}
.tbtn.r{background:#ff5f57}.tbtn.y{background:#febc2e}.tbtn.g{background:#28c840}
.term-title{margin-left:10px;font-family:var(--mono);font-size:12px;color:var(--fg-dim)}
.term-body{margin:0;padding:16px 18px 20px;font-size:13.2px;line-height:1.75;color:#c9ded4;white-space:pre-wrap;overflow-wrap:anywhere}
.term-body .p{color:var(--green);font-weight:700;margin-right:7px}
.term-body .out{color:#9fb8ac}
.term-body .ok{color:var(--green)}
.term-body .dim,.term-body .cmt{color:#5f7a6c}
.term-body .cmt{display:block;margin-top:10px}
.term-body .k{color:var(--blue)}
.term-body .v{color:var(--fg)}
.term-body .n{color:var(--amber)}
.term-body .tm{color:var(--amber)}
.term-body .lv-w{color:var(--amber);font-weight:700}
.term-body .lv-e{color:var(--red);font-weight:700}
.term-body .ip{color:var(--blue)}
.term-body .hm{color:var(--green);font-weight:700}
.cur{display:inline-block;width:8px;height:15px;background:var(--green);margin-left:4px;vertical-align:-2px;animation:blink 1.05s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* sections */
.section{padding:74px 0}
.sec-title{font-size:clamp(26px,3vw,36px);margin:0 0 10px;font-weight:800;letter-spacing:-.3px}
.sec-sub{color:var(--fg-dim);max-width:70ch;margin:0 0 34px;font-size:16px}
.sec-sub code,.hero-sub code,li code,p code{background:rgba(61,220,132,.1);color:var(--green);padding:1px 6px;border-radius:5px;font-size:.9em}

/* spotlight: ai & data 重点模块 */
.spotlight{padding-top:34px}
.ttl-ai{color:var(--green)}
.ttl-data{color:var(--blue)}
.ttl-http{color:var(--amber)}
.hl{color:var(--green);font-weight:700;font-family:var(--mono)}
.spot-data .hl{color:var(--blue)}
.spot{margin:0 0 46px;border:1px solid var(--line-2);border-radius:18px;background:
  linear-gradient(180deg,rgba(61,220,132,.05),rgba(61,220,132,0) 240px),var(--bg-2);overflow:hidden}
.spot-data{background:linear-gradient(180deg,rgba(94,184,255,.06),rgba(94,184,255,0) 240px),var(--bg-2);border-color:#1e3448}
.spot-head{padding:26px 28px 20px;border-bottom:1px solid var(--line)}
.badge{display:inline-block;font-family:var(--mono);font-size:11.5px;letter-spacing:.6px;color:#04140b;background:var(--green);
  padding:3px 10px;border-radius:999px;font-weight:700;margin-bottom:12px}
.badge-data{color:#04121c;background:var(--blue)}
.spot-head h3{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin:0 0 10px;font-size:clamp(20px,2.4vw,27px)}
.spot-head h3 code{font-family:var(--mono);color:var(--green);background:rgba(61,220,132,.1);padding:2px 10px;border-radius:8px;font-size:.86em}
.spot-data .spot-head h3 code{color:var(--blue);background:rgba(94,184,255,.12)}
.spot-head h3 em{font-style:normal;font-family:var(--mono);font-size:12.5px;color:var(--fg-dim);font-weight:400}
.spot-head p{margin:0;color:var(--fg-dim);font-size:15.5px;max-width:80ch}
.spot-body{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:26px;padding:26px 28px 30px;align-items:start}
.spot-list{display:grid;gap:16px}
.sitem{border-left:2px solid var(--line-2);padding:2px 0 2px 16px;transition:.2s}
.sitem:hover{border-left-color:var(--green)}
.spot-data .sitem:hover{border-left-color:var(--blue)}
.snum{display:block;font-family:var(--mono);font-size:11.5px;color:var(--green-deep);letter-spacing:1px;margin-bottom:4px}
.spot-data .snum{color:#4a9ede}
.sitem h4{margin:0 0 6px;font-size:16.5px}
.sitem p{margin:0 0 10px;color:var(--fg-dim);font-size:14.5px}
.sitem p strong{color:var(--fg)}
.sitem .mini{max-width:640px}
.spot-side{display:grid;gap:16px;position:sticky;top:78px}
.spot-side .term-body{font-size:12.6px}
.spot-side .ok{color:var(--green)}
.spot-more{justify-self:start;font-family:var(--mono);font-size:13.5px}
.spot-data .spot-more:hover{border-color:var(--blue);color:var(--blue)}
.spot-http{background:linear-gradient(180deg,rgba(240,168,50,.06),rgba(240,168,50,0) 240px),var(--bg-2);border-color:#3b2b12}
.badge-http{color:#1d1204;background:var(--amber)}
.spot-http .hl{color:var(--amber)}
.spot-http .spot-head h3 code{color:var(--amber);background:rgba(240,168,50,.12)}
.spot-http .sitem:hover{border-left-color:var(--amber)}
.spot-http .snum{color:#c9902f}
.spot-http .spot-more:hover{border-color:var(--amber);color:var(--amber)}

/* feature grid */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
a.card{display:block;text-decoration:none;color:inherit;background:linear-gradient(180deg,var(--panel),#0a120e);
  border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:.2s;position:relative}
a.card:hover,a.card:focus-visible{border-color:var(--green-deep);transform:translateY(-3px);box-shadow:0 14px 34px rgba(0,0,0,.4)}
a.card:focus-visible{outline:2px solid var(--green);outline-offset:2px}
.card h3{display:flex;align-items:center;gap:10px;margin:0 0 10px;font-size:17px}
.ci{font-family:var(--mono);font-size:12px;color:#04140b;background:var(--green);padding:2px 8px;border-radius:6px;font-weight:700;white-space:nowrap}
.card p{margin:0 0 14px;color:var(--fg-dim);font-size:14.5px}
.more{display:inline-block;margin-top:2px;font-family:var(--mono);font-size:12.5px;color:var(--green-deep)}
a.card:hover .more{color:var(--green)}
.mini{background:#060a08;border:1px solid var(--line);border-radius:9px;padding:11px 13px;margin:0}
.mini code{font-size:12.6px;color:#a8c4b6;white-space:pre-wrap;overflow-wrap:anywhere}
.panel-more{margin:14px 0 0;display:flex;gap:18px;flex-wrap:wrap}
.panel-more a{font-family:var(--mono);font-size:13px;color:var(--green);text-decoration:none;border-bottom:1px dashed var(--line-2)}
.panel-more a:hover{border-bottom-color:var(--green)}

/* tabs */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px;border-bottom:1px solid var(--line);padding-bottom:14px}
.tab{font-family:var(--mono);font-size:14px;color:var(--fg-dim);background:transparent;border:1px solid var(--line);
  padding:9px 17px;border-radius:9px;cursor:pointer;transition:.18s}
.tab:hover{color:var(--green);border-color:var(--line-2)}
.tab.active{color:#04140b;background:var(--green);border-color:var(--green);font-weight:700}
.panel{display:none}
.panel.active{display:block}

/* quickstart */
.qs-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:18px;margin-bottom:34px}
.qs-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.qs-card h3{margin:0 0 12px;font-size:17px;color:var(--green);font-family:var(--mono)}
.qs-card p{color:var(--fg-dim);font-size:14.5px;margin:14px 0 0}
.qs-main{border-color:var(--green-deep);box-shadow:0 0 0 1px rgba(61,220,132,.14),0 18px 40px rgba(0,0,0,.4)}
.qs-card .btn{margin-top:16px;font-size:14.5px;padding:11px 18px}
.chip{font-family:var(--mono);font-size:13px;color:var(--fg-dim);border:1px dashed var(--line-2);border-radius:8px;padding:6px 12px;background:rgba(0,0,0,.2)}
.chip code{color:var(--green);background:none;padding:0;font-size:13px}

/* faq */
.faq-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.faq-item{border-top:2px solid var(--green-deep);padding-top:14px}
.faq-item h3{margin:0 0 8px;font-size:16.5px}
.faq-item p{margin:0;color:var(--fg-dim);font-size:14.5px}

/* doc detail view */
.doc-view{padding:44px 0 74px}
.doc-wrap{max-width:940px}
.crumb{margin:0 0 14px}
.crumb a{font-family:var(--mono);font-size:13.5px;color:var(--fg-dim);text-decoration:none}
.crumb a:hover{color:var(--green)}
.doc-index{display:flex;flex-wrap:wrap;gap:7px;margin:0 0 26px;padding:12px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.doc-index a{font-family:var(--mono);font-size:12.5px;color:var(--fg-dim);text-decoration:none;
  border:1px solid var(--line);border-radius:999px;padding:4px 11px;transition:.15s;white-space:nowrap}
.doc-index a:hover{color:var(--green);border-color:var(--green-deep)}
.doc-index a[aria-current="page"]{color:#04140b;background:var(--green);border-color:var(--green);font-weight:700}
.doc-index a.star{color:var(--amber);border-color:rgba(240,168,50,.42);background:rgba(240,168,50,.07);font-weight:700}
.doc-index a.star:hover{color:#ffd48a;border-color:var(--amber)}
.doc-index a.star b{font-weight:400;margin-left:2px}
.doc-index a[aria-current="page"].star{color:#1d1204;background:var(--amber);border-color:var(--amber)}
.doc-jump{display:flex;flex-wrap:wrap;gap:6px;margin:-18px 0 30px}
.doc-jump a{font-size:12.5px;color:var(--fg-dim);text-decoration:none;border:1px solid var(--line);
  border-radius:7px;padding:4px 10px;transition:.15s}
.doc-jump a:hover{color:var(--green);border-color:var(--green-deep);background:rgba(61,220,132,.07)}
.doc-head{border-left:3px solid var(--green);padding-left:18px;margin-bottom:34px}
.doc-head h2{display:flex;align-items:center;gap:12px;margin:0 0 12px;font-size:clamp(24px,3.2vw,34px);line-height:1.2;letter-spacing:-.3px}
.doc-lead{margin:0 0 14px;color:var(--fg-dim);font-size:16.5px;max-width:66ch}
.doc-meta{display:flex;gap:10px;flex-wrap:wrap;margin:0}
.doc-sec{margin:0 0 30px}
.doc-sec h3{margin:0 0 14px;font-size:16px;color:var(--green);font-family:var(--mono);letter-spacing:.3px;
  border-bottom:1px solid var(--line);padding-bottom:8px}
.spec{margin:0;display:grid;gap:2px}
.spec-row{display:grid;grid-template-columns:minmax(0,210px) minmax(0,1fr);gap:16px;padding:11px 12px;border-radius:9px;transition:.15s}
.spec-row:nth-child(odd){background:rgba(255,255,255,.018)}
.spec-row:hover{background:rgba(61,220,132,.06)}
.spec dt{margin:0}
.spec dt code{font-size:13px;color:var(--green);background:rgba(61,220,132,.1);padding:2px 7px;border-radius:6px;white-space:normal;overflow-wrap:anywhere}
.spec dd{margin:0;color:#bfd2c8;font-size:14.5px}
.samples{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#060a08}
.srow{display:grid;grid-template-columns:auto minmax(0,1fr);gap:0 12px;padding:11px 14px;border-bottom:1px solid var(--line);align-items:start}
.srow:last-child{border-bottom:0}
.srow code{grid-column:2;font-size:13.2px;color:#d6e9df;word-break:break-all;white-space:pre-wrap}
.srow .sd{grid-column:2;font-size:12.8px;color:var(--fg-dim)}
.copy{grid-row:1;grid-column:1;align-self:start;font-family:var(--mono);font-size:11px;color:var(--fg-dim);
  background:transparent;border:1px solid var(--line-2);border-radius:6px;padding:3px 8px;cursor:pointer;transition:.15s}
.copy:hover{color:#04140b;background:var(--green);border-color:var(--green)}
.copy.done{color:var(--green);border-color:var(--green-deep)}
.srow .cmd::selection,.srow .cmd:focus{background:rgba(61,220,132,.22);outline:none;border-radius:4px}
.file-lead{margin:0 0 14px;color:var(--fg-dim);font-size:14.5px;line-height:1.75;max-width:70ch}
.file-lead code{font-family:var(--mono);font-size:12.8px;color:var(--green);background:rgba(61,220,132,.1);padding:1px 6px;border-radius:5px;overflow-wrap:anywhere}
.file{border:1px solid var(--line);border-radius:var(--radius);background:#060a08;overflow:hidden}
.file-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 14px;border-bottom:1px solid var(--line)}
.file-head code{font-family:var(--mono);font-size:12.5px;color:var(--green);min-width:0;overflow-wrap:anywhere}
.file pre{margin:0;padding:13px 15px;font-size:12.4px;line-height:1.66;color:#d6e9df;white-space:pre-wrap;overflow-wrap:anywhere}
.file .cmt{color:#5f7a6c}
.doc-note{border-left:3px solid var(--amber);background:rgba(240,168,50,.07);border-radius:0 10px 10px 0;
  padding:14px 18px;margin:0 0 32px;color:#e6d5b8;font-size:14.5px}
.doc-pager{display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--line);padding-top:20px}
.pager{text-decoration:none;border:1px solid var(--line);border-radius:11px;padding:12px 18px;transition:.18s;min-width:0}
.pager:hover{border-color:var(--green-deep);background:rgba(61,220,132,.06)}
.pager span{display:block;font-family:var(--mono);font-size:11.5px;color:var(--fg-dim);margin-bottom:3px}
.pager strong{display:block;font-size:15px;color:var(--fg)}
.pager.next{text-align:right}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:34px 0;margin-top:20px;background:rgba(0,0,0,.25)}
.footer-inner{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.footer-inner p{margin:0;font-size:14.5px}
.foot-dim{color:var(--fg-dim);font-family:var(--mono);font-size:12.5px!important;margin-left:auto!important}

@media (max-width:1080px){
  .spot-body{grid-template-columns:1fr}
  .spot-side{position:static}
}
@media (max-width:900px){
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .hero{padding-top:48px}
  .brand-tag{display:none}
  .foot-dim{margin-left:0!important}
  .spot-head,.spot-body{padding-left:18px;padding-right:18px}
}
@media (max-width:560px){
  .header-inner{height:auto;min-height:56px;padding:8px 0;gap:4px 10px}
  .site-nav{flex-wrap:wrap;justify-content:flex-end;gap:2px}
  .site-nav a{padding:9px 11px;font-size:13.5px;white-space:nowrap}
  .nav-long{display:none}
  .nav-short{display:inline}
  .nav-sm-hide{display:none}
  .head-right{gap:6px}
  .lang-btn{padding:11px 13px}
  .term-body{font-size:12.5px}
  .spec-row{grid-template-columns:1fr;gap:6px}
  .tab{padding:11px 14px;font-size:13.5px}
  .doc-index a{padding:8px 12px;font-size:13px}
  .doc-jump a{padding:8px 11px;font-size:13px}
  .copy{font-size:12px;padding:8px 11px}
  .crumb a,.panel-more a,.more,.spot-more{display:inline-block;padding:8px 2px}
  .foot-dim a{display:inline-block;padding:6px 4px}
  .snum,.badge,.pager span{font-size:12.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}