:root {
  --bg: #f4f3ef; --paper: #ffffff; --ink: #16181d; --ink-2: #454b57; --muted: #868b95; --line: #e3e1da; --line-2: #d6d3ca; --soft: #efede7;
  --code-bg: #15171c; --code-ink: #e6e3dc; --code-muted: #8d929c; --code-line: #262932;
  --accent: #0e6b5e; --accent-soft: #e3f0ec;
  --gpt: #0f8a6b; --gpt-soft: #e4f3ee; --grok: #2a2c31; --grok-soft: #ebebea; --gemini: #2a5fd8; --gemini-soft: #e8eefc;
  --ok: #138a4b; --ok-bg: #e5f4ea; --warn: #b86e05; --warn-bg: #fbf0dc; --bad: #c8322b; --bad-bg: #fbe7e5; --none: #cfccc3; --none-bg: #ecebe6;
  --shadow: 0 1px 0 rgba(22, 24, 29, .03), 0 10px 30px -18px rgba(22, 24, 29, .28);
  --sans: "PingFang SC", "HarmonyOS Sans SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, "Segoe UI", sans-serif;
  --mono: "SF Mono", "JetBrains Mono", "Cascadia Code", ui-monospace, Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101114; --paper: #17191d; --ink: #ecebe6; --ink-2: #b9bcc3; --muted: #80858f; --line: #262930; --line-2: #33363e; --soft: #1d2025;
    --code-bg: #0b0c0f; --code-line: #22252c;
    --accent: #4fc2ab; --accent-soft: #14302b;
    --gpt: #3cc79f; --gpt-soft: #12291f; --grok: #e4e2dc; --grok-soft: #24262b; --gemini: #7da2ff; --gemini-soft: #18213a;
    --ok: #3ccf7f; --ok-bg: #11291c; --warn: #f0b04a; --warn-bg: #2c2210; --bad: #f2756d; --bad-bg: #2e1715; --none: #3a3d45; --none-bg: #1f2227;
    --shadow: none; color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 76px; }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--ink); font: 14px/1.65 var(--sans);
  background-image: radial-gradient(var(--line) 1px, transparent 1px); background-size: 22px 22px; background-attachment: fixed; }
a { color: inherit; }
code, .mono { font-family: var(--mono); }
h1, h2, h3, p { margin: 0; }
button { font: inherit; color: inherit; }
.muted { color: var(--muted); }
.small { font-size: 12px; }

/* ---------- top bar ---------- */
.bar { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(1.4) blur(12px); -webkit-backdrop-filter: saturate(1.4) blur(12px); border-bottom: 1px solid var(--line); }
.bar-in { max-width: 1180px; margin: 0 auto; padding: 0 20px; height: 58px; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 9px; text-decoration: none; }
.logo { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 7px; background: var(--ink); color: var(--bg);
  font: 700 15px/1 var(--mono); }
.brand-t { font-weight: 700; font-size: 16px; letter-spacing: -.2px; }
.brand-t b { font: 600 11px/1 var(--mono); letter-spacing: .8px; margin-left: 6px; padding: 3px 5px; border-radius: 4px; border: 1px solid var(--line-2); color: var(--muted); vertical-align: 2px; }
.nav { display: flex; gap: 4px; flex: 1; }
.nav a { text-decoration: none; padding: 6px 12px; border-radius: 8px; color: var(--ink-2); font-size: 14px; white-space: nowrap; }
.nav a:hover { color: var(--ink); background: var(--soft); }
.nav a.on { color: var(--ink); background: var(--paper); box-shadow: inset 0 0 0 1px var(--line); font-weight: 600; }
.live { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; font-size: 13px; color: var(--ink-2);
  padding: 5px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--paper); white-space: nowrap; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--none); flex: none; }
[data-state="operational"] .dot { background: var(--ok); box-shadow: 0 0 0 3px var(--ok-bg); animation: pulse 2.4s ease-in-out infinite; }
[data-state="degraded"] .dot { background: var(--warn); box-shadow: 0 0 0 3px var(--warn-bg); }
[data-state="outage"] .dot { background: var(--bad); box-shadow: 0 0 0 3px var(--bad-bg); }
@keyframes pulse { 50% { box-shadow: 0 0 0 6px transparent; } }

.view { max-width: 1180px; margin: 0 auto; padding: 36px 20px 64px; outline: none; }
.view > * { animation: rise .45s cubic-bezier(.2, .7, .2, 1) both; }
.view > *:nth-child(2) { animation-delay: .05s; } .view > *:nth-child(3) { animation-delay: .1s; } .view > *:nth-child(4) { animation-delay: .15s; }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } }
@media (prefers-reduced-motion: reduce) { .view > * { animation: none; } .dot { animation: none !important; } }

.eyebrow { font: 600 11px/1 var(--mono); letter-spacing: 1.4px; text-transform: uppercase; color: var(--muted); }
.sec { margin-top: 44px; }
.sec-h { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.sec-h h2 { font-size: 19px; letter-spacing: -.3px; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); }

/* ---------- home ---------- */
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 40px; align-items: center; }
.hero h1 { font-size: 40px; line-height: 1.15; letter-spacing: -1.2px; margin: 14px 0 14px; font-weight: 750; }
.hero h1 span { color: var(--accent); }
.hero .lead { color: var(--ink-2); font-size: 15px; max-width: 30em; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.fact { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 9px; background: var(--paper);
  border: 1px solid var(--line); font-size: 13px; color: var(--ink-2); }
.fact b { color: var(--ink); font-weight: 600; }
.cta { display: flex; gap: 10px; margin-top: 26px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px; border-radius: 10px; text-decoration: none; font-weight: 600;
  border: 1px solid var(--line-2); background: var(--paper); cursor: pointer; font-size: 14px; }
.btn:hover { border-color: var(--ink-2); }
.btn.primary { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn.primary:hover { opacity: .9; }

.term { background: var(--code-bg); color: var(--code-ink); border-radius: 14px; overflow: hidden; box-shadow: 0 24px 60px -30px rgba(0, 0, 0, .55);
  border: 1px solid var(--code-line); }
.term-h { display: flex; align-items: center; gap: 6px; padding: 10px 12px; border-bottom: 1px solid var(--code-line); }
.term-h i { width: 10px; height: 10px; border-radius: 50%; background: #3a3d46; }
.term-tabs { display: flex; gap: 2px; margin-left: 10px; }
.term-tabs button { border: 0; background: none; color: var(--code-muted); font: 500 12px/1 var(--mono); padding: 6px 9px; border-radius: 6px; cursor: pointer; }
.term-tabs button.on { background: #262932; color: #fff; }
.term pre { margin: 0; padding: 16px 18px 18px; font: 12.5px/1.7 var(--mono); overflow-x: auto; min-height: 236px; }

.chans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.chan { position: relative; padding: 20px 20px 18px; text-decoration: none; display: flex; flex-direction: column; gap: 12px; overflow: hidden;
  transition: transform .2s ease, border-color .2s ease; }
.chan::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--c); }
.chan:hover { transform: translateY(-2px); border-color: var(--line-2); }
.chan-h { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.chan-n { font-size: 18px; font-weight: 700; letter-spacing: -.3px; display: flex; align-items: center; gap: 9px; }
.chan-n .mk { width: 26px; height: 26px; border-radius: 7px; display: grid; place-items: center; background: var(--cs); color: var(--c); font: 700 12px/1 var(--mono); }
.chan-d { color: var(--ink-2); font-size: 13px; min-height: 42px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font-size: 12px; padding: 2px 9px; border-radius: 999px; background: var(--soft); color: var(--ink-2); white-space: nowrap; }
.chip.c { background: var(--cs); color: var(--c); font-weight: 600; }
.chan-f { display: flex; align-items: baseline; justify-content: space-between; border-top: 1px dashed var(--line-2); padding-top: 12px; margin-top: auto; }
.chan-f .p { font: 700 20px/1 var(--mono); letter-spacing: -.5px; }
.chan-f .p small { font: 500 12px/1 var(--sans); color: var(--muted); margin-left: 3px; }
.chan-f .go { font-size: 13px; color: var(--c); font-weight: 600; }
.gpt { --c: var(--gpt); --cs: var(--gpt-soft); } .grok { --c: var(--grok); --cs: var(--grok-soft); } .gemini { --c: var(--gemini); --cs: var(--gemini-soft); }

.strip3 { display: grid; grid-template-columns: 1.2fr 1fr; gap: 14px; }
.panel { padding: 18px 20px; }
.panel h3 { font-size: 15px; margin-bottom: 10px; }
.notice { display: flex; gap: 10px; align-items: baseline; padding: 7px 0; border-top: 1px solid var(--line); font-size: 13px; }
.notice:first-of-type { border-top: 0; }
.notice time { font: 12px var(--mono); color: var(--muted); white-space: nowrap; }
.notice b { font-weight: 600; margin-right: 6px; }
.steps { margin: 0; padding: 0; list-style: none; counter-reset: s; }
.steps li { counter-increment: s; display: flex; gap: 10px; padding: 6px 0; font-size: 13.5px; color: var(--ink-2); }
.steps code, .panel code { font-size: 12px; background: var(--soft); border: 1px solid var(--line); padding: 0 5px; border-radius: 5px; color: var(--ink); word-break: break-all; }
.steps li::before { content: counter(s); font: 600 11px/20px var(--mono); width: 20px; height: 20px; border-radius: 6px; text-align: center; background: var(--soft); color: var(--ink); flex: none; }

.copyable { cursor: pointer; border: 1px dashed transparent; border-radius: 6px; padding: 0 4px; margin: 0 -4px; transition: border-color .15s; }
.copyable:hover { border-color: var(--line-2); }
.copyable.done { border-color: var(--accent); }
.contacts { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.contact { display: inline-flex; gap: 8px; align-items: center; padding: 6px 12px; border-radius: 9px; background: var(--soft); border: 1px solid transparent; cursor: pointer; font-size: 13px; }
.contact:hover { border-color: var(--line-2); }
.contact span { color: var(--muted); font-size: 12px; }
.contact em { font-style: normal; color: var(--accent); font-size: 12px; }

/* ---------- pricing ---------- */
.page-h h1 { font-size: 30px; letter-spacing: -.8px; margin: 10px 0 8px; }
.page-h p { color: var(--ink-2); }
.ptabs { display: flex; gap: 6px; flex-wrap: wrap; margin: 24px 0 16px; }
.ptabs button { border: 1px solid var(--line); background: var(--paper); border-radius: 999px; padding: 6px 14px; cursor: pointer; font-size: 13px; color: var(--ink-2); }
.ptabs button.on { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.pgroups { display: grid; gap: 14px; }
.pg { overflow: hidden; }
.pg-h { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.pg-t { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-weight: 700; font-size: 16px; }
.pg-t .bad { font: 600 11px/1 var(--sans); padding: 4px 8px; border-radius: 999px; background: var(--cs); color: var(--c); }
.pg-t .tag { font: 600 11px/1 var(--sans); padding: 4px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); }
.pg-s { color: var(--muted); font-size: 12.5px; margin-top: 3px; font-weight: 400; }
.pg-p { text-align: right; white-space: nowrap; }
.pg-p b { font: 700 24px/1 var(--mono); letter-spacing: -.6px; }
.pg-p small { color: var(--muted); font-size: 12px; margin-left: 3px; }
.pg-p div { color: var(--muted); font-size: 12px; margin-top: 4px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 20px; border-bottom: 1px solid var(--line); vertical-align: top; }
tbody tr:last-child td { border-bottom: 0; }
th { font: 600 11px/1.4 var(--mono); letter-spacing: .8px; text-transform: uppercase; color: var(--muted); background: var(--soft); white-space: nowrap; }
td.num { font: 600 13.5px var(--mono); white-space: nowrap; }
.mid { font: 13px var(--mono); white-space: nowrap; }
.caps { display: flex; flex-wrap: wrap; gap: 4px; }
.caps span { font-size: 11.5px; padding: 1px 7px; border-radius: 5px; background: var(--soft); color: var(--ink-2); white-space: nowrap; }
.pnote { margin-top: 14px; font-size: 12.5px; color: var(--muted); }
.pg td.num, .pg th:last-child { text-align: right; }
.pg td { vertical-align: middle; }

.price-h { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; }
.sub-btn { gap: 7px; }
.btn.ghost { border-color: transparent; background: transparent; color: var(--ink-2); }
.btn.ghost:hover { color: var(--ink); border-color: var(--line-2); }
.dlg { border: 1px solid var(--line); border-radius: 16px; padding: 26px 26px 22px; width: min(440px, calc(100vw - 32px)); background: var(--paper); color: var(--ink); box-shadow: 0 30px 80px -30px rgba(0, 0, 0, .45); }
.dlg::backdrop { background: rgba(16, 17, 20, .38); backdrop-filter: blur(3px); }
.dlg h3 { font-size: 20px; margin: 8px 0 6px; letter-spacing: -.3px; }
.dlg p { font-size: 13.5px; margin: 0 0 16px; }
.dlg-x { position: absolute; top: 10px; right: 12px; }
.dlg-x button { border: 0; background: none; font-size: 22px; line-height: 1; color: var(--muted); cursor: pointer; padding: 4px 8px; border-radius: 8px; }
.dlg-x button:hover { background: var(--soft); color: var(--ink); }
#subForm { display: flex; gap: 8px; }
#subForm input[type=email] { flex: 1; min-width: 0; font: inherit; font-size: 14px; padding: 9px 12px; border-radius: 10px; border: 1px solid var(--line-2); background: var(--bg); color: var(--ink); }
#subForm input[type=email]:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
#subForm .btn { white-space: nowrap; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.sub-msg { min-height: 20px; margin: 12px 0 0 !important; font-size: 13px; color: var(--muted); }
.sub-msg.ok { color: var(--ok); } .sub-msg.err { color: var(--bad); }

/* ---------- status ---------- */
.stat-hero { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; }
.state-big { font-size: 30px; letter-spacing: -.8px; font-weight: 750; margin-top: 10px; }
[data-state="operational"] .state-big em { color: var(--ok); }
[data-state="degraded"] .state-big em { color: var(--warn); }
[data-state="outage"] .state-big em { color: var(--bad); }
.state-big em { font-style: normal; }
.mon { padding: 20px; margin-top: 22px; }
.mon-h { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.mon-h .t { font-weight: 700; font-size: 16px; display: flex; gap: 10px; align-items: center; }
.kpis { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 10px; margin-bottom: 16px; }
.kpi { background: var(--soft); border-radius: 11px; padding: 12px 14px; }
.kpi .v { font: 700 21px/1.2 var(--mono); letter-spacing: -.6px; }
.kpi.big .v { font-size: 26px; color: var(--ok); }
[data-state="degraded"] .kpi.big .v { color: var(--warn); } [data-state="outage"] .kpi.big .v { color: var(--bad); }
.kpi .k { color: var(--muted); font-size: 12px; margin-top: 2px; }
.days { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 8px; margin-bottom: 18px; }
.day { border-radius: 10px; padding: 8px 4px; text-align: center; background: var(--none-bg); }
.day .d { font: 11px var(--mono); color: var(--muted); }
.day .p { font: 700 13px var(--mono); margin-top: 3px; }
.day .b { height: 4px; border-radius: 2px; margin: 7px 10px 0; background: var(--none); }
.day.operational { background: var(--ok-bg); } .day.operational .b { background: var(--ok); } .day.operational .p { color: var(--ok); }
.day.degraded { background: var(--warn-bg); } .day.degraded .b { background: var(--warn); } .day.degraded .p { color: var(--warn); }
.day.outage { background: var(--bad-bg); } .day.outage .b { background: var(--bad); } .day.outage .p { color: var(--bad); }
.sub-h { font-size: 13px; font-weight: 600; margin-bottom: 8px; }
.sub-h span { font-weight: 400; color: var(--muted); font-size: 12px; margin-left: 6px; }
.bars { display: flex; gap: 1px; height: 36px; align-items: flex-end; }
.bars i { flex: 1; min-width: 0; border-radius: 2px; background: var(--ok); opacity: .82; }
.bars i.empty { background: var(--none); opacity: .5; height: 8%; }
.bars i.fail { background: var(--bad); opacity: 1; height: 100% !important; }
.rule { margin-top: 12px; font-size: 12px; color: var(--muted); }

/* ---------- docs ---------- */
.docs { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 40px; align-items: start; }
.side { position: sticky; top: 82px; max-height: calc(100vh - 100px); overflow: auto; padding-bottom: 20px; }
.side h4 { font: 600 11px/1 var(--mono); letter-spacing: 1.2px; text-transform: uppercase; color: var(--muted); margin: 22px 0 8px 10px; }
.side h4:first-child { margin-top: 0; }
.side a { display: flex; align-items: center; gap: 8px; text-decoration: none; padding: 6px 10px; border-radius: 8px; color: var(--ink-2); font-size: 13.5px; }
.side a:hover { background: var(--soft); color: var(--ink); }
.side a.on { background: var(--paper); color: var(--ink); font-weight: 600; box-shadow: inset 0 0 0 1px var(--line); }
.side a .sw { width: 7px; height: 7px; border-radius: 2px; background: var(--c, var(--line-2)); flex: none; }
.side .toc { margin: 2px 0 6px 25px; border-left: 1px solid var(--line); }
.side .toc a { font-size: 12.5px; padding: 3px 10px; border-radius: 0 6px 6px 0; color: var(--muted); }
.side .toc a:hover { color: var(--ink); background: none; }
.side-m { display: none; }

.doc { min-width: 0; max-width: 820px; }
.doc-h { padding-bottom: 20px; border-bottom: 1px solid var(--line); margin-bottom: 8px; }
.doc-h h1 { font-size: 30px; letter-spacing: -.8px; margin: 10px 0 8px; }
.doc-h p { color: var(--ink-2); font-size: 15px; }
.doc h2 { font-size: 20px; letter-spacing: -.3px; margin: 40px 0 12px; padding-top: 4px; }
.doc h3 { font-size: 15px; margin: 24px 0 8px; }
.doc p { margin: 10px 0; color: var(--ink-2); }
.doc p strong, .doc li strong { color: var(--ink); }
.doc ul { margin: 10px 0; padding-left: 20px; color: var(--ink-2); }
.doc li { margin: 4px 0; }
.doc :not(pre) > code { font-size: 12.5px; background: var(--soft); border: 1px solid var(--line); padding: 1px 5px; border-radius: 5px; color: var(--ink); word-break: break-word; }
.doc table { margin: 12px 0; background: var(--paper); border: 1px solid var(--line); border-radius: 12px; border-collapse: separate; border-spacing: 0; overflow: hidden; }
.doc th, .doc td { padding: 9px 14px; font-size: 13px; }
.doc td { color: var(--ink-2); }
.doc th { text-transform: none; letter-spacing: .3px; }
.doc th code { background: none; border: 0; padding: 0; font-size: 11.5px; color: var(--ink-2); }
.doc td:first-child code { white-space: nowrap; }
.tbl { overflow-x: auto; }
.req { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--bad); margin-left: 6px; vertical-align: 2px; }

.ep { display: flex; align-items: center; gap: 10px; margin: 14px 0 6px; padding: 10px 12px; border-radius: 11px; background: var(--paper);
  border: 1px solid var(--line); font: 13px var(--mono); flex-wrap: wrap; }
.ep .m { font-weight: 700; font-size: 11px; padding: 3px 7px; border-radius: 5px; letter-spacing: .5px; }
.ep .m.POST { background: var(--accent-soft); color: var(--accent); } .ep .m.GET { background: var(--gemini-soft); color: var(--gemini); }
.ep .path { color: var(--ink); word-break: break-all; }
.ep .d { font-family: var(--sans); color: var(--muted); font-size: 12.5px; margin-left: auto; }

.code { margin: 12px 0; background: var(--code-bg); border-radius: 12px; overflow: hidden; border: 1px solid var(--code-line); }
.code-h { display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--code-line); padding: 4px 6px 4px 8px; }
.code-h .tabs { display: flex; gap: 2px; }
.code-h button { border: 0; background: none; cursor: pointer; color: var(--code-muted); font: 500 12px/1 var(--mono); padding: 7px 9px; border-radius: 6px; }
.code-h .tabs button.on { color: #fff; background: #262932; }
.code-h .cp:hover { color: #fff; }
.code pre { margin: 0; padding: 14px 16px; overflow-x: auto; color: var(--code-ink); font: 12.5px/1.65 var(--mono); }
.tk-s { color: #b6d98c; } .tk-k { color: #f0a868; } .tk-c { color: #6b717c; font-style: italic; } .tk-n { color: #8cc7f0; }

.callout { display: flex; gap: 10px; margin: 14px 0; padding: 11px 14px; border-radius: 11px; background: var(--accent-soft); color: var(--ink-2); font-size: 13px; }
.callout::before { content: "i"; font: 700 11px/18px var(--mono); width: 18px; height: 18px; border-radius: 50%; text-align: center; background: var(--accent); color: var(--paper); flex: none; margin-top: 1px; }
.callout.warn { background: var(--warn-bg); } .callout.warn::before { content: "!"; background: var(--warn); }
.callout p { margin: 0; }

.foot { max-width: 1180px; margin: 0 auto; padding: 18px 20px 40px; color: var(--muted); font-size: 12px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; }

.toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px); opacity: 0; background: var(--ink); color: var(--bg);
  padding: 8px 14px; border-radius: 9px; font-size: 13px; transition: .2s; pointer-events: none; z-index: 50; }
.toast.on { opacity: 1; transform: translateX(-50%); }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; gap: 28px; }
  .chans { grid-template-columns: 1fr; }
  .strip3 { grid-template-columns: 1fr; }
  .docs { grid-template-columns: 1fr; gap: 0; }
  .side { display: none; }
  .side-m { display: flex; gap: 6px; overflow-x: auto; margin: 0 -20px 18px; padding: 0 20px 4px; scrollbar-width: none; }
  .side-m a { flex: none; text-decoration: none; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--paper); font-size: 13px; color: var(--ink-2); }
  .side-m a.on { background: var(--ink); color: var(--bg); border-color: var(--ink); }
}
@media (max-width: 640px) {
  .bar-in { height: auto; flex-wrap: wrap; gap: 8px 12px; padding: 10px 16px 0; }
  .nav { order: 3; flex-basis: 100%; overflow-x: auto; margin: 0 -16px; padding: 0 12px 8px; scrollbar-width: none; }
  .live { margin-left: auto; }
  .view { padding: 24px 16px 48px; }
  .hero h1 { font-size: 30px; letter-spacing: -.8px; }
  .term pre { min-height: 0; font-size: 11.5px; }
  .page-h h1, .doc-h h1 { font-size: 25px; }
  .pg-h { padding: 14px 16px; align-items: flex-start; }
  th, td { padding: 9px 14px; }
  .kpis { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .kpi.big { grid-column: 1 / -1; }
  .days { gap: 4px; }
  .day .p { font-size: 11px; letter-spacing: -.4px; }
  .day .b { margin: 6px 5px 0; }
  .ep .d { margin-left: 0; flex-basis: 100%; }
  .doc .tbl { margin: 0 -16px; padding: 0 16px; }
  .doc .tbl > table:not(.pt) { min-width: 560px; }
  .doc .pt th:nth-child(2), .doc .pt td:nth-child(2) { display: none; }
  .foot { padding: 16px; }
}

/* 嵌入 Sub2API 自定义菜单（iframe）：宿主已有品牌，去掉重复与背景 */
.embed body { background: transparent; background-image: none; }
.embed .brand, .embed .foot { display: none; }
.embed .bar { position: static; background: transparent; backdrop-filter: none; }
.embed .view { padding-top: 22px; }

/* ---------- 下载按钮 ---------- */
.dlbar { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 14px; }
.dl { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: var(--paper); color: var(--ink-2);
  border-radius: 8px; padding: 5px 10px; font-size: 12.5px; cursor: pointer; }
.dl:hover { color: var(--ink); border-color: var(--line-2); }
.price-act { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.price-act .dlbar { margin-top: 0; }
#printBox { display: none; }

/* ---------- 打印 / 存为 PDF ---------- */
@media print {
  @page { size: A4; margin: 14mm 12mm; }
  :root { --bg: #fff; --paper: #fff; --soft: #f3f2ee; --code-bg: #f6f6f4; --code-ink: #1b1d22; --code-line: #ddd; --code-muted: #666; color-scheme: light; }
  html.printing body > *:not(#printBox) { display: none !important; }
  html.printing #printBox { display: block; }
  body { background: #fff !important; background-image: none !important; color: #111; font-size: 11.5px; }
  .bar, .foot, .side, .side-m, .no-print, .dlbar, .ptabs, .toast, dialog, .live { display: none !important; }
  .view { max-width: none; padding: 0; }
  .view > * { animation: none !important; }
  .docs { display: block; }
  .doc { max-width: none; break-before: page; }
  .doc:first-of-type { break-before: auto; }
  .doc h2 { break-after: avoid; margin-top: 22px; }
  .card, .doc table, .code, .ep, .callout { box-shadow: none !important; break-inside: avoid; }
  .code { border: 1px solid #ddd; }
  .code-h .tabs button { color: #444 !important; background: none !important; }
  .code-h .cp { display: none; }
  .code pre { white-space: pre-wrap; word-break: break-all; color: #1b1d22; }
  .code pre + pre { border-top: 1px dashed #ccc; }
  .tk-s { color: #2f6b12; } .tk-k { color: #a24b00; } .tk-c { color: #777; } .tk-n { color: #1d5fa8; }
  .tbl { overflow: visible; }
  .doc .tbl > table:not(.pt) { min-width: 0; }
  .pg { break-inside: avoid; margin-bottom: 10px; }
  .print-h { display: flex; justify-content: space-between; border-bottom: 2px solid #111; padding-bottom: 6px; margin-bottom: 16px; font-size: 11px; color: #555; }
  .print-h b { color: #111; font-size: 14px; }
  .mid.copyable, .copyable { border: 0 !important; }
}

/* 纯文档站（docs.klinkw.com）：只留文档 */
.docs-only .nav, .docs-only .live, .docs-only .sub-btn { display: none; }
.docs-only .bar-in { justify-content: space-between; }