:root{
  --bg:#0e1720; --panel:#16212e; --panel2:#1a2836; --line:#243447;
  --txt:#e6edf3; --mut:#8aa0b4; --acc:#4c9be8; --acc-dark:#1d4b74;
  --good:#3fb950; --good-dark:#193612; --warn:#e0a94c; --warn-dark:#443320;
  --purple:#a475ef;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--txt); background:var(--bg);
}
a{color:inherit;text-decoration:none}
.container{max-width:1440px;margin:0 auto}

/* ---------- Top nav ---------- */
.topnav{
  display:flex;align-items:center;gap:16px;height:64px;
  padding:0 24px;background:var(--panel);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:10;
}
.topnav .brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px}
.brand-logo{width:34px;height:34px;object-fit:contain;display:block}
.topnav .brand .tag{font-size:12px;color:var(--mut);font-weight:400;margin-left:4px}
.topnav .store-link{margin-left:34px;font-size:12px;font-weight:400;color:var(--mut);white-space:nowrap}
.topnav .store-link:hover{color:var(--txt)}
.topnav .links{display:flex;align-items:center;gap:28px;margin-left:auto}
.topnav .links a{font-size:14px;color:var(--mut)}
.topnav .links a.active{color:var(--acc);font-weight:600}
.topnav .links a:hover{color:var(--txt)}
.icon{width:16px;height:16px;stroke-width:1.8;flex:0 0 auto}
.lucide-fallback{display:inline-block}
.icon.lg{width:28px;height:28px;color:var(--acc)}
.icon.md{width:18px;height:18px}
.item{display:flex;align-items:center;gap:8px}
.section-icon{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:8px;background:var(--panel2);color:var(--acc)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:11px 20px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;
  border:1px solid var(--line);background:var(--panel2);color:var(--txt);
}
.btn:hover{border-color:var(--acc)}
.btn.primary{background:var(--acc);color:var(--bg);font-weight:600;border-color:var(--acc)}
.btn.primary:hover{filter:brightness(1.08)}
.btn.sm{padding:7px 14px;font-size:13px}
.linklike{background:transparent;border:0;color:var(--acc);padding:0;font:inherit;cursor:pointer}
.linklike:hover{text-decoration:underline}
.linklike.danger-link{color:var(--warn)}

/* ---------- Pills ---------- */
.pill{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:100px;font-size:12px;font-weight:500;background:var(--panel2);color:var(--mut)}
.pill.acc{background:var(--acc-dark);color:var(--acc)}
.pill.good{background:var(--good-dark);color:var(--good)}
.pill.warn{background:var(--warn-dark);color:var(--warn)}

/* ---------- Cards ---------- */
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:22px}
.card.code{background:#0b0e13}
.divider{height:1px;background:var(--line);border:none;margin:14px 0}

/* ---------- Hero ---------- */
.hero{padding:88px 64px 72px;display:flex;flex-direction:column;align-items:center;gap:24px;text-align:center}
.hero h1{font-size:42px;line-height:1.24;margin:0;font-weight:700}
.hero h1 .acc{color:var(--acc)}
.hero p.sub{max-width:720px;color:var(--mut);font-size:16px;line-height:1.6;margin:0}
.hero .cta-row{display:flex;gap:14px}
.demo-card{width:880px;max-width:100%;text-align:left}
.demo-head{display:flex;align-items:center;gap:8px;font-family:ui-monospace,monospace}
.demo-body{display:flex;gap:24px;margin-top:14px}
.demo-body .label{font-size:11px;color:var(--mut);margin-bottom:6px}
.demo-body .value{font-size:14px;font-weight:600}
.demo-arrow{font-size:20px;color:var(--acc);align-self:center}

/* ---------- Trust bar ---------- */
.trust{display:flex;align-items:center;padding:25px 64px;background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust .stat{flex:1;text-align:center}
.trust .stat b{display:block;font-size:24px;color:var(--acc)}
.trust .stat span{font-size:12px;color:var(--mut)}

/* ---------- Sections ---------- */
.section{padding:72px 64px;text-align:center}
.section.alt{background:var(--panel)}
.section h2{font-size:28px;margin:0 0 8px}
.section .lead{color:var(--mut);font-size:14px;margin:0 0 40px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:left;max-width:1260px;margin:0 auto}
.grid4 .card{display:flex;flex-direction:column;gap:10px}
.grid4 .card.highlight{border-color:var(--acc);border-width:1.5px}
.grid4 .card h3{font-size:16px;margin:0;display:flex;align-items:center;gap:8px}
.grid4 .card p{font-size:13px;color:var(--mut);line-height:1.5;margin:0}

.bottom-grid{display:flex;gap:24px;padding:72px 64px;max-width:1440px;margin:0 auto}
.sample-card{flex:0 0 656px}
.sample-card h3{font-size:18px;margin:0 0 4px}
.sample-card p{color:var(--mut);font-size:13px;line-height:1.5;margin:0 0 14px}
.pricing-card{flex:0 0 300px}
.pricing-card h3{font-size:18px;margin:0 0 14px}
.pricing-row{display:flex;justify-content:space-between;padding:8px 0;font-size:13px}
.pricing-row span:last-child{color:var(--acc)}

.footer{display:flex;align-items:center;padding:28px 64px;background:var(--panel);border-top:1px solid var(--line);color:var(--mut);font-size:12px}
.footer .sp{flex:1}

/* ---------- Playground ---------- */
.pg-head{padding:48px 64px 24px}
.pg-head h1{font-size:26px;margin:0 0 8px}
.pg-head p{color:var(--mut);font-size:13px;margin:0}
.tabs{display:flex;gap:10px;padding:0 64px 24px;flex-wrap:wrap}
.tab{padding:9px 16px;border-radius:100px;font-size:13px;font-weight:500;background:var(--panel2);color:var(--mut);cursor:pointer;border:1px solid transparent}
.tab.active{background:var(--acc-dark);color:var(--acc);border-color:var(--acc)}
.pg-body{display:flex;gap:24px;padding:0 64px 64px;align-items:flex-start}
.query-card{flex:0 0 500px}
.query-card h3{margin:0 0 4px;font-size:15px}
.query-card label{font-size:12px;color:var(--mut);display:block;margin:12px 0 6px}
.query-card input{
  width:100%;background:var(--bg);border:1px solid var(--line);color:var(--txt);
  padding:10px 14px;border-radius:8px;font:14px ui-monospace,monospace;
}
.query-card input:focus{outline:none;border-color:var(--acc)}
.examples{margin-top:14px}
.examples .ex-label{font-size:12px;color:var(--mut);font-weight:500;margin-bottom:6px}
.ex-item{display:flex;gap:8px;align-items:center;padding:4px 0;font-size:13px;color:var(--mut);cursor:pointer}
.ex-item:hover{color:var(--txt)}
.ex-item .arrow{color:var(--acc)}
.result-col{flex:1;display:flex;flex-direction:column;gap:16px;min-width:0}
.result-head{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--mut);font-family:ui-monospace,monospace;flex-wrap:wrap}
.result-table{width:100%;border-collapse:collapse;font-size:13px;margin-top:10px}
.result-table th,.result-table td{border:1px solid var(--line);padding:6px 9px;text-align:left;max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.result-table th{background:var(--panel2);color:var(--mut);font-weight:600}
.disclaimer{color:var(--warn);font-size:12px;margin-top:10px}
.code-card{font-family:ui-monospace,monospace;font-size:13px;color:var(--good);white-space:pre-wrap;word-break:break-all}
.code-card .dots{display:flex;gap:6px;margin-bottom:10px}
.code-card .dots span{width:10px;height:10px;border-radius:50%;display:inline-block}
.empty-state{color:var(--mut);text-align:center;padding:40px 0}
.loading{color:var(--acc);text-align:center;padding:40px 0}
.soon-card{text-align:center;padding:60px 22px;color:var(--mut)}
.soon-card .big{font-size:32px;margin-bottom:10px}

/* ---------- Docs ---------- */
.docs-body{display:flex;align-items:flex-start}
.docs-sidebar{
  flex:0 0 280px;background:var(--panel);border-right:1px solid var(--line);padding:24px 16px;
  min-height:calc(100vh - 64px);position:sticky;top:64px;max-height:calc(100vh - 64px);overflow:auto;
}
.docs-sidebar .section-label{font-size:11px;font-weight:600;color:var(--mut);margin:18px 12px 6px}
.sidebar-item,
.docs-sidebar .item,
.console-sidebar .item{
  display:flex;align-items:center;gap:10px;min-height:36px;padding:8px 12px;
  border-radius:8px;border-left:3px solid transparent;font-size:13px;color:#a7bbce;
}
.sidebar-item .icon,
.docs-sidebar .item .icon,
.console-sidebar .item .icon{
  width:18px;height:18px;color:currentColor;stroke-width:1.9;flex:0 0 18px;
}
.sidebar-placeholder{width:18px;height:18px;flex:0 0 18px;opacity:0}
.docs-sidebar .item:hover,
.console-sidebar .item:hover{background:var(--panel2);color:#d8e8f6}
.docs-sidebar .item.active,
.console-sidebar .item.active{
  background:#223648;color:#f7fbff;font-weight:650;box-shadow:inset 3px 0 0 var(--acc);
}
.docs-sidebar .item.active .icon,
.console-sidebar .item.active .icon{color:#62b5ff}
.docs-content{flex:1;padding:40px 56px 60px;max-width:960px;min-width:0}
.docs-content h1{font-size:20px;margin:0}
.ep-head{display:flex;align-items:center;gap:10px}
.ep-head .path{font-family:ui-monospace,monospace;font-size:20px;font-weight:600}
.docs-content .desc{color:var(--mut);font-size:14px;line-height:1.6;margin:14px 0 24px}
.docs-content h2{font-size:15px;font-weight:600;margin:24px 0 12px}
.params-table{width:100%;border-collapse:collapse}
.params-table td{padding:8px 6px;font-size:13px;vertical-align:top}
.params-table td.pname{color:var(--acc);font-family:ui-monospace,monospace;width:100px}
.params-table td.ptype{color:var(--mut);font-family:ui-monospace,monospace;width:80px}
.params-table td.preq{width:70px}
pre{margin:0;font-family:ui-monospace,monospace;font-size:13px;white-space:pre-wrap;word-break:break-word}
pre.resp{color:var(--purple)}
pre.req{color:var(--good)}
.notice{background:var(--warn-dark);color:var(--warn);border-radius:8px;padding:12px 16px;font-size:13px;margin-bottom:20px}

/* ---------- Dictionary ---------- */
.dictionary-sidebar{flex-basis:260px}
.dictionary-content{max-width:1120px}
.dict-stats{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px;color:var(--mut);font-size:13px}
.dict-stats span{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:8px 12px}
.dictionary-section{scroll-margin-top:84px;margin-bottom:26px}
.dictionary-section h2{font-size:16px;margin:0 0 12px}
.table-card{padding:0;overflow:hidden;border-radius:8px}
.table-card .keys-table{margin:0}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin-top:24px}
.cat-card{display:flex;flex-direction:column;gap:10px;padding:20px}
.cat-card:hover{border-color:var(--acc)}
.cat-card h3{margin:0;font-size:15px}
.cat-card p{margin:0;color:var(--mut);font-size:13px;line-height:1.5;flex:1}
.cat-card-stats{display:flex;gap:8px;flex-wrap:wrap}

/* ---------- Console ---------- */
.console-body{display:flex;align-items:flex-start}
.console-sidebar{
  flex:0 0 240px;background:var(--panel);border-right:1px solid var(--line);padding:24px 16px 24px;
  min-height:calc(100vh - 64px);position:sticky;top:64px;max-height:calc(100vh - 64px);overflow:auto;
}
.console-sidebar .item{margin-bottom:6px}
.console-content{flex:1;padding:40px 48px 60px;max-width:1000px}
.console-header{display:flex;align-items:center;margin-bottom:24px}
.console-header h1{font-size:22px;margin:0}
.quota-head{display:flex;align-items:center;font-size:14px;font-weight:500;margin-bottom:10px}
.quota-head .num{margin-left:auto;color:var(--mut);font-size:13px;font-weight:400}
.quota-bar{height:10px;border-radius:100px;background:var(--panel2);overflow:hidden}
.quota-bar .fill{height:100%;background:var(--acc);border-radius:100px}
.quota-note{margin-top:10px;font-size:12px;color:var(--mut)}
.quota-note .acc{color:var(--acc)}
.keys-table{width:100%;border-collapse:collapse;margin-top:4px}
.keys-table th{text-align:left;font-size:12px;color:var(--mut);font-weight:600;padding:8px 6px}
.keys-table td{padding:10px 6px;font-size:13px;border-top:1px solid var(--line)}
.keys-table td.mono{font-family:ui-monospace,monospace;color:var(--mut)}
.keys-table td.action{color:var(--acc);cursor:pointer}
.bill-row{display:flex;align-items:center;margin-bottom:8px}
.bill-row h3{font-size:14px;font-weight:500;margin:0}
.mb24{margin-bottom:24px}