:root {
  --ink: #111827;
  --muted: #4b5563;
  --line: #d9dee7;
  --paper: #f5f7fb;
  --white: #ffffff;
  --teal: #00a8a8;
  --blue: #1f6feb;
  --orange: #ff6a00;
  --orange-dark: #d94f00;
  --panel: #fdfefe;
  --dark: #0b1220;
  --dark-2: #111827;
  --success: #16a37b;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #f5f7fb;
  color: var(--ink);
  font-family: Inter, "Avenir Next", "PingFang SC", "Noto Sans", Arial, sans-serif;
  font-weight: 400;
}
a { color: inherit; text-decoration: none; }
code, pre { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto auto;
  align-items: center;
  gap: 22px;
  padding: 8px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(17, 24, 39, 0.1);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
}
.brand { display: inline-flex; align-items: center; gap: 10px; min-width: 0; font-weight: 720; }
.brand img { width: 30px; height: 30px; border-radius: 0; }
.brand span { display: grid; gap: 1px; }
.brand strong { font-size: 17px; letter-spacing: 0; font-weight: 760; }
.brand small { color: #6b7280; font-size: 11px; font-weight: 600; }
.nav { display: flex; align-items: center; gap: 23px; color: #374151; font-size: 14px; white-space: nowrap; }
.nav a:hover { color: var(--orange); }
.lang-switch { display: inline-flex; gap: 2px; padding: 3px; border: 1px solid var(--line); border-radius: 4px; background: #f8fafc; }
.lang-switch a { padding: 7px 9px; border-radius: 4px; color: var(--muted); font-size: 13px; font-weight: 700; }
.lang-switch a.active { background: var(--orange); color: var(--white); }
.hero {
  min-height: 560px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.76fr);
  align-items: start;
  gap: clamp(26px, 5vw, 72px);
  padding: clamp(54px, 6vw, 76px) clamp(20px, 5vw, 72px) 42px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.9) 47%, rgba(245, 247, 251, 0.72) 100%),
    linear-gradient(135deg, rgba(255, 106, 0, 0.1) 0%, rgba(31, 111, 235, 0.08) 42%, rgba(17, 24, 39, 0.04) 100%);
}
.hero-copy { display: grid; gap: 18px; max-width: 760px; }
.eyebrow { margin: 0; color: var(--orange); font-size: 13px; font-weight: 760; letter-spacing: 0.08em; text-transform: uppercase; }
h1, h2, h3, p { margin: 0; }
h1 { max-width: 740px; font-size: clamp(30px, 2.65vw, 40px); line-height: 1.18; letter-spacing: 0; font-weight: 680; }
.hero-copy > p:not(.eyebrow) { max-width: 680px; color: #405168; font-size: 16px; line-height: 1.72; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 40px; border-radius: 4px; padding: 0 17px; font-weight: 720; }
.button.primary { background: var(--orange); color: var(--white); }
.button.primary:hover { background: var(--orange-dark); }
.button.secondary { border: 1px solid #cfd6e3; background: var(--white); color: var(--ink); }
.hero-proof { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: 720px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.72); }
.hero-proof div { display: grid; gap: 5px; min-height: 68px; align-content: center; padding: 10px 14px; border-right: 1px solid var(--line); }
.hero-proof div:last-child { border-right: 0; }
.hero-proof strong { font-size: 15px; font-weight: 720; }
.hero-proof span { color: var(--muted); font-size: 12px; line-height: 1.42; }
.terminal-panel { min-width: 0; overflow: hidden; border: 1px solid #1b2b46; border-radius: 4px; background: var(--dark); color: #d8e7ff; box-shadow: 0 18px 46px rgba(17, 24, 39, 0.14); }
.terminal-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 14px 16px; border-bottom: 1px solid #1b2b46; background: var(--dark-2); color: #a7b6ca; font-size: 13px; }
.dots { display: inline-flex; gap: 6px; }
.dots span { width: 10px; height: 10px; border-radius: 50%; background: #3b4a60; }
.dots span:nth-child(1) { background: #ff6a00; }
.dots span:nth-child(2) { background: #8b9bb4; }
.dots span:nth-child(3) { background: #00a8a8; }
.terminal-panel pre { margin: 0; padding: 18px; overflow: auto; color: #e6f4ff; font-size: 12px; line-height: 1.62; white-space: pre; word-break: normal; }
.terminal-panel .accent { color: #ffb077; }
.terminal-panel .muted { color: #8ea0b8; }
.platform-panel {
  min-width: 0;
  border: 1px solid #d0d7e2;
  border-radius: 4px;
  background: #ffffff;
  box-shadow: 0 18px 46px rgba(17, 24, 39, 0.08);
}
.platform-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
}
.platform-head strong { font-size: 15px; font-weight: 680; }
.platform-head span { color: var(--muted); font-size: 13px; }
.route-map {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 14px;
  background:
    linear-gradient(90deg, rgba(255, 106, 0, 0.08) 0 1px, transparent 1px 100%),
    linear-gradient(180deg, rgba(255, 106, 0, 0.08) 0 1px, transparent 1px 100%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  background-size: 28px 28px, 28px 28px, auto;
}
.route-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 48px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
}
.node-card {
  min-height: 62px;
  display: grid;
  align-content: center;
  gap: 6px;
  border: 1px solid var(--line);
  background: #ffffff;
  padding: 10px;
}
.node-card strong { font-size: 14px; font-weight: 660; }
.node-card span { color: var(--muted); font-size: 11px; line-height: 1.38; }
.node-card.primary { border-color: rgba(255, 106, 0, 0.42); box-shadow: inset 2px 0 0 var(--orange); }
.route-arrow {
  height: 2px;
  background: linear-gradient(90deg, rgba(255, 106, 0, 0.2), var(--orange), rgba(255, 106, 0, 0.2));
}
.gateway-core {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding: 0 14px 14px;
}
.metric-tile {
  min-height: 66px;
  border: 1px solid var(--line);
  background: #f8fafc;
  padding: 10px;
}
.metric-tile i {
  display: block;
  width: 18px;
  height: 18px;
  margin-bottom: 7px;
  border: 2px solid var(--orange);
  font-style: normal;
}
.metric-tile:nth-child(2) i { border-color: #1f6feb; }
.metric-tile:nth-child(3) i { border-color: #00a8a8; }
.metric-tile strong { display: block; margin-bottom: 4px; font-size: 13px; font-weight: 660; }
.metric-tile span { color: var(--muted); font-size: 11px; line-height: 1.36; }
.code-strip {
  border-top: 1px solid var(--line);
  background: #111827;
  color: #e5edf7;
  padding: 10px 14px;
  overflow: auto;
  font-size: 11px;
  line-height: 1.5;
  white-space: pre;
}
.code-strip em { color: #ffb077; font-style: normal; }
.section { padding: 72px clamp(20px, 5vw, 72px); }
.section.alt { background: var(--white); }
.section-head { display: grid; gap: 12px; max-width: 760px; margin-bottom: 26px; }
.section-head span { color: var(--orange); font-size: 13px; font-weight: 860; letter-spacing: 0.08em; text-transform: uppercase; }
h2 { font-size: clamp(26px, 3vw, 40px); line-height: 1.14; letter-spacing: 0; font-weight: 720; }
.section-head p { color: var(--muted); font-size: 17px; line-height: 1.7; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.card { position: relative; border: 1px solid var(--line); border-radius: 4px; background: var(--panel); padding: 24px; }
.card::before { content: ""; display: block; width: 34px; height: 34px; margin-bottom: 18px; border: 2px solid var(--orange); background: linear-gradient(135deg, rgba(255, 106, 0, 0.08), rgba(255, 255, 255, 0)); }
.card:nth-child(2)::before { border-color: #1f6feb; }
.card:nth-child(3)::before { border-color: #00a8a8; }
.card h3 { margin-bottom: 10px; font-size: 19px; font-weight: 720; }
.card p { color: var(--muted); line-height: 1.65; }
.card code { display: inline-block; margin-top: 14px; color: var(--orange-dark); font-size: 13px; font-weight: 760; }
.model-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.model-list a, .model-list span { min-height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 12px; border: 1px solid var(--line); border-radius: 4px; background: var(--white); padding: 0 15px; color: var(--ink); font-weight: 780; }
.model-list small { color: var(--success); font-size: 12px; }
.traffic-links, .catalog-grid, .faq-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.traffic-links a, .catalog-card, .faq-card { border: 1px solid var(--line); border-radius: 4px; background: var(--white); padding: 18px; }
.traffic-links a:hover, .catalog-card:hover, .faq-card:hover { border-color: var(--orange); box-shadow: inset 3px 0 0 var(--orange); }
.traffic-links strong, .catalog-card strong, .faq-card strong { display: block; margin-bottom: 7px; }
.traffic-links span, .catalog-card span, .faq-card span { color: var(--muted); font-size: 14px; line-height: 1.55; }
.category-band { display: grid; gap: 18px; margin-top: 28px; }
.category-row { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 18px; align-items: start; border-top: 1px solid var(--line); padding-top: 18px; }
.category-title { display: grid; gap: 8px; }
.category-title strong { font-size: 18px; font-weight: 720; }
.category-title span { color: var(--muted); font-size: 13px; line-height: 1.5; }
.pill-list { display: flex; flex-wrap: wrap; gap: 10px; }
.pill-list a, .pill-list span { border: 1px solid var(--line); background: #fff; padding: 10px 13px; border-radius: 4px; font-size: 14px; color: #111827; }
.pill-list a:hover { border-color: var(--orange); color: var(--orange-dark); }
.faq-index { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 24px; align-items: start; }
.side-nav { position: sticky; top: 76px; display: grid; gap: 8px; border: 1px solid var(--line); background: #fff; padding: 14px; }
.side-nav a { padding: 9px 10px; color: var(--muted); font-size: 14px; border-radius: 4px; }
.side-nav a:hover { background: #fff7f0; color: var(--orange-dark); }
.question-section { display: grid; gap: 12px; margin-bottom: 28px; }
.question-section h2 { font-size: 28px; }
.faq { display: grid; gap: 12px; max-width: 900px; }
.faq details { border: 1px solid var(--line); border-radius: 4px; background: var(--white); padding: 16px 18px; }
.faq summary { cursor: pointer; font-weight: 820; }
.faq p { margin-top: 10px; color: var(--muted); line-height: 1.65; }
.cta-band { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 22px; border: 1px solid #1b2b46; border-radius: 4px; background: linear-gradient(135deg, #101827 0%, #111827 70%, #23160d 100%); color: var(--white); padding: 28px; }
.cta-band p { color: #a7b6ca; line-height: 1.65; }
.site-footer { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 20px; padding: 28px clamp(20px, 5vw, 72px); border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }
.landing-hero { padding: 64px clamp(20px, 5vw, 72px) 56px; border-bottom: 1px solid var(--line); background: linear-gradient(135deg, #ffffff 0%, #f6f7fb 72%, rgba(255, 106, 0, 0.08) 100%); }
.landing-hero .wrap { display: grid; grid-template-columns: minmax(0, 0.94fr) minmax(360px, 0.72fr); align-items: start; gap: 56px; }
.landing-copy { display: grid; gap: 16px; max-width: 760px; }
.landing-copy h1 { font-size: clamp(34px, 3.1vw, 46px); font-weight: 680; }
.landing-copy p { color: var(--muted); font-size: 17px; line-height: 1.72; }
.breadcrumb { color: #4b5563; font-size: 13px; font-weight: 620; }
.landing-copy .eyebrow { font-size: 12px; font-weight: 720; }
.sdk-panel {
  border: 1px solid #d0d7e2;
  border-radius: 4px;
  background: #ffffff;
  box-shadow: 0 18px 46px rgba(17, 24, 39, 0.08);
}
.sdk-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 15px 18px;
  border-bottom: 1px solid var(--line);
}
.sdk-panel-head strong { font-size: 15px; font-weight: 680; }
.sdk-panel-head span { color: var(--muted); font-size: 13px; }
.sdk-config {
  display: grid;
  gap: 12px;
  padding: 18px;
  background:
    linear-gradient(90deg, rgba(255, 106, 0, 0.06) 0 1px, transparent 1px 100%),
    linear-gradient(180deg, rgba(255, 106, 0, 0.06) 0 1px, transparent 1px 100%),
    #ffffff;
  background-size: 28px 28px, 28px 28px, auto;
}
.config-line {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  padding: 13px 14px;
}
.config-line strong { color: #111827; font-size: 13px; font-weight: 680; }
.config-line code { color: #d94f00; font-size: 12px; overflow-wrap: anywhere; }
.sdk-note {
  padding: 14px 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}
.compare-table { width: 100%; border-collapse: collapse; overflow: hidden; border: 1px solid var(--line); border-radius: 4px; background: var(--white); }
.compare-table th, .compare-table td { padding: 15px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.compare-table th { background: #f3f6fb; color: #111827; font-size: 14px; font-weight: 800; }
.compare-table td:first-child { border-left: 3px solid transparent; font-weight: 780; }
.compare-table tbody tr:hover td:first-child { border-left-color: var(--orange); }
.compare-table tr:last-child td { border-bottom: 0; }
.table-wrap { max-width: 100%; overflow: auto; border: 1px solid var(--line); background: var(--white); }
.model-table { width: 100%; min-width: 940px; border-collapse: collapse; background: var(--white); }
.model-table th, .model-table td { padding: 12px 13px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; font-size: 13px; line-height: 1.55; }
.model-table th { position: sticky; top: 51px; z-index: 2; background: #f3f6fb; color: #111827; font-weight: 820; }
.model-table code { color: #d94f00; font-size: 12px; overflow-wrap: anywhere; }
.model-table small { display: block; margin-top: 5px; color: var(--muted); font-size: 11px; }
.mini-tag { display: inline-flex; margin: 0 4px 4px 0; border: 1px solid #d7dde8; background: #f8fafc; padding: 2px 6px; border-radius: 4px; color: #374151; font-size: 12px; white-space: nowrap; }
.filter-bar { display: grid; grid-template-columns: minmax(220px, 1fr) minmax(190px, 0.34fr) auto; gap: 10px; align-items: center; margin-bottom: 14px; }
.filter-bar input, .filter-bar select { width: 100%; min-height: 42px; border: 1px solid var(--line); border-radius: 4px; background: var(--white); padding: 0 12px; color: var(--ink); font: inherit; }
.filter-bar span { color: var(--muted); font-size: 14px; white-space: nowrap; }
.plan-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.plan-card { display: grid; gap: 16px; align-content: start; border: 1px solid var(--line); border-radius: 4px; background: var(--white); padding: 24px; }
.plan-card.featured { border-color: rgba(255, 106, 0, 0.5); box-shadow: inset 3px 0 0 var(--orange); }
.plan-card h3 { font-size: 20px; font-weight: 720; }
.price { display: flex; align-items: baseline; gap: 8px; font-size: 34px; font-weight: 760; }
.price span { color: var(--muted); font-size: 14px; font-weight: 600; }
.feature-list { display: grid; gap: 10px; color: var(--muted); line-height: 1.55; }
.feature-list li { margin-left: 18px; }
.doc-layout { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 24px; align-items: start; }
.doc-content { display: grid; gap: 26px; }
.doc-block { display: grid; gap: 12px; border: 1px solid var(--line); border-radius: 4px; background: var(--white); padding: 22px; }
.doc-block h2 { font-size: 26px; }
.doc-block p { color: var(--muted); line-height: 1.7; }
.doc-image-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.doc-image { margin: 0; border: 1px solid var(--line); background: #f8fafc; }
.doc-image img { display: block; width: 100%; height: auto; max-height: 520px; object-fit: contain; background: #fff; }
.doc-image figcaption { padding: 10px 12px; color: var(--muted); font-size: 12px; line-height: 1.45; border-top: 1px solid var(--line); }
.detail-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.72fr); gap: 18px; align-items: start; }
.spec-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.spec-card { border: 1px solid var(--line); background: var(--white); padding: 18px; }
.spec-card strong { display: block; margin-bottom: 8px; font-size: 15px; }
.spec-card span { color: var(--muted); font-size: 14px; line-height: 1.58; }
.step-list { counter-reset: steps; display: grid; gap: 12px; }
.step-list li { position: relative; list-style: none; border: 1px solid var(--line); background: var(--white); padding: 16px 16px 16px 52px; color: var(--muted); line-height: 1.62; }
.step-list li::before { counter-increment: steps; content: counter(steps); position: absolute; left: 16px; top: 16px; width: 22px; height: 22px; display: grid; place-items: center; background: var(--orange); color: #fff; border-radius: 50%; font-size: 12px; font-weight: 800; }
.related-list { display: grid; gap: 10px; }
.related-list a { border: 1px solid var(--line); background: var(--white); padding: 12px 14px; color: var(--muted); }
.related-list a:hover { border-color: var(--orange); color: var(--orange-dark); }
.console-shell { display: grid; grid-template-columns: 220px minmax(0, 1fr); min-height: 660px; border: 1px solid var(--line); background: var(--white); }
.console-sidebar { display: grid; align-content: start; gap: 8px; border-right: 1px solid var(--line); background: #f8fafc; padding: 18px; }
.console-sidebar strong { margin-bottom: 10px; font-size: 15px; }
.console-sidebar a { padding: 10px 11px; border-radius: 4px; color: var(--muted); font-size: 14px; }
.console-sidebar a.active, .console-sidebar a:hover { background: #fff7f0; color: var(--orange-dark); }
.console-main { display: grid; gap: 18px; align-content: start; padding: 22px; }
.console-topline { display: flex; align-items: center; justify-content: space-between; gap: 18px; border-bottom: 1px solid var(--line); padding-bottom: 16px; }
.console-topline h1 { font-size: 28px; }
.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.stat-card { border: 1px solid var(--line); background: #f8fafc; padding: 16px; }
.stat-card span { display: block; color: var(--muted); font-size: 12px; margin-bottom: 8px; }
.stat-card strong { font-size: 22px; }
.log-table { width: 100%; border-collapse: collapse; border: 1px solid var(--line); background: var(--white); }
.log-table th, .log-table td { padding: 13px 14px; border-bottom: 1px solid var(--line); text-align: left; font-size: 14px; }
.log-table th { background: #f3f6fb; font-weight: 800; }
.status-ok { color: var(--success); font-weight: 760; }
.status-warn { color: var(--orange-dark); font-weight: 760; }
@media (max-width: 920px) {
  .site-header { grid-template-columns: 1fr; align-items: start; }
  .nav { overflow-x: auto; padding-bottom: 2px; }
  .hero, .landing-hero .wrap { grid-template-columns: 1fr; }
  .grid-3, .model-list, .traffic-links, .catalog-grid, .faq-grid, .faq-index, .category-row, .plan-grid, .doc-layout, .console-shell, .stat-grid, .detail-grid, .spec-grid { grid-template-columns: 1fr; }
  .filter-bar { grid-template-columns: 1fr; }
  .hero-proof { grid-template-columns: 1fr; }
  .hero-proof div { border-right: 0; border-bottom: 1px solid var(--line); }
  .hero-proof div:last-child { border-bottom: 0; }
  .cta-band, .site-footer { grid-template-columns: 1fr; }
  .gateway-core, .route-row { grid-template-columns: 1fr; }
  .route-arrow { width: 2px; height: 28px; justify-self: center; }
  .side-nav { position: static; }
}