:root {
  --indigo: #5b5ce2;
  --indigo-deep: #4546bf;
  --indigo-soft: #e8e9fb;
  --mint: #56c7ad;
  --mint-deep: #167260;
  --mint-soft: #e0f5f0;
  --ink: #182033;
  --ink-2: #3e485f;
  --muted: #68738a;
  --mist: #f1f3fa;
  --paper: #f7f8fc;
  --white: #ffffff;
  --line: #d9deea;
  --line-soft: #e7eaf2;
  --danger: #ad3e57;
  --shadow-sm: 0 1px 2px rgba(23, 23, 42, .06), 0 12px 30px -24px rgba(43, 35, 102, .22);
  --shadow-md: 0 20px 60px -34px rgba(43, 35, 102, .32);
  --shadow-lg: 0 34px 90px -40px rgba(43, 35, 102, .42);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 34px;
  --container: 1240px;
  --gutter: 24px;
  --font: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; -webkit-text-size-adjust: 100%; }
body {
  min-width: 320px;
  color: var(--ink-2);
  background: var(--paper);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
body.nav-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
ul, ol { padding: 0; list-style: none; }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.13; letter-spacing: -.035em; }
p { text-wrap: pretty; }
::selection { color: var(--ink); background: rgba(86, 199, 173, .38); }

.skip-link {
  position: fixed;
  top: 10px;
  left: 12px;
  z-index: 1000;
  padding: 10px 14px;
  color: var(--white);
  background: var(--ink);
  border-radius: 10px;
  transform: translateY(-150%);
  transition: transform .18s ease;
}
.skip-link:focus { transform: none; }
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { position: relative; padding: 104px 0; }
.section--compact { padding: 76px 0; }
.section--mist { background: var(--mist); }
.section--ink { color: #d8d7e5; background: var(--ink); }
.section--ink h2, .section--ink h3 { color: var(--white); }
.section-head { max-width: 760px; margin-bottom: 48px; }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head h2 { margin-top: 16px; font-size: clamp(2rem, 4.5vw, 3.65rem); }
.section-head p { margin-top: 18px; color: var(--muted); font-size: clamp(1rem, 1.6vw, 1.16rem); }
.section--ink .section-head p { color: #b7b5c8; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--indigo-deep);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; border-radius: 99px; background: var(--mint); }
.section--ink .eyebrow { color: #c9c4ff; }
.pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, .74);
  font-size: .78rem;
  font-weight: 700;
}
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 4px rgba(86, 199, 173, .14); }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: .94rem;
  font-weight: 760;
  line-height: 1.2;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
}
.button::after { content: "→"; transition: transform .18s ease; }
.button:hover { transform: translateY(-2px); }
.button:hover::after { transform: translateX(3px); }
.button--primary { color: var(--white); background: var(--indigo); box-shadow: 0 12px 28px -14px rgba(91, 92, 226, .68); }
.button--primary:hover { background: var(--indigo-deep); }
.button--secondary { color: var(--ink); background: var(--white); border-color: var(--line); box-shadow: var(--shadow-sm); }
.button--secondary:hover { border-color: #c8c3e5; box-shadow: var(--shadow-md); }
.button--mint { color: #143a32; background: var(--mint); }
.button--text { min-height: auto; padding: 5px 0; color: var(--indigo-deep); border-radius: 0; }
.button--text:hover { transform: none; }
.button--no-arrow::after { display: none; }
.button.is-copied { color: #11372e; background: var(--mint); }
.text-link { color: var(--indigo-deep); font-weight: 750; text-decoration: underline; text-decoration-color: rgba(91, 92, 226, .26); text-underline-offset: 4px; }
.text-link:hover { text-decoration-color: currentColor; }

:focus-visible { outline: 3px solid rgba(91, 92, 226, .36); outline-offset: 3px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: rgba(247, 248, 252, .9);
  backdrop-filter: blur(18px) saturate(145%);
  -webkit-backdrop-filter: blur(18px) saturate(145%);
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.site-header.is-scrolled, .site-header.is-open { border-color: var(--line-soft); background: rgba(247, 248, 252, .98); box-shadow: 0 10px 28px -28px rgba(24, 32, 51, .62); }
.header-inner { height: 76px; display: flex; align-items: center; gap: 18px; }
.brand { flex: none; display: inline-flex; align-items: center; }
.brand img { width: 150px; height: auto; }
.site-nav { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.site-nav > a {
  position: relative;
  padding: 10px 9px;
  color: #4d4e62;
  font-size: .88rem;
  font-weight: 680;
  white-space: nowrap;
}
.site-nav > a::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--indigo);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .18s ease;
}
.site-nav > a:hover, .site-nav > a[aria-current="page"] { color: var(--ink); }
.site-nav > a:hover::after, .site-nav > a[aria-current="page"]::after { transform: scaleX(1); }
.site-nav > a.nav-contact { margin-left: 5px; padding: 9px 14px; color: var(--white); border-radius: 999px; background: var(--indigo); }
.site-nav > a.nav-contact::after { display: none; }
.site-nav > a.nav-contact:hover { color: var(--white); background: var(--indigo-deep); }
.header-actions { display: flex; align-items: center; gap: 10px; margin-left: 8px; }
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 8px 10px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 760;
  background: var(--white);
  white-space: nowrap;
}
.lang-switch:hover { color: var(--indigo-deep); border-color: #c8c3e5; }
.header-cta { min-height: 42px; padding-inline: 16px; font-size: .84rem; }
.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--white);
  cursor: pointer;
}
.menu-icon, .menu-icon::before, .menu-icon::after { width: 18px; height: 2px; display: block; border-radius: 2px; background: var(--ink); transition: transform .2s ease, opacity .2s ease; }
.menu-icon { position: relative; }
.menu-icon::before, .menu-icon::after { content: ""; position: absolute; left: 0; }
.menu-icon::before { top: -6px; }
.menu-icon::after { top: 6px; }
.site-header.is-open .menu-icon { background: transparent; }
.site-header.is-open .menu-icon::before { transform: translateY(6px) rotate(45deg); }
.site-header.is-open .menu-icon::after { transform: translateY(-6px) rotate(-45deg); }

/* Home hero */
.home-hero {
  position: relative;
  overflow: hidden;
  padding: 74px 0 84px;
  background:
    radial-gradient(54% 74% at 88% 4%, rgba(91, 92, 226, .14), transparent 72%),
    radial-gradient(38% 62% at 8% 90%, rgba(86, 199, 173, .1), transparent 72%),
    var(--paper);
}
.home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .36;
  background-image: linear-gradient(rgba(91, 92, 226, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(91, 92, 226, .045) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, .86fr) minmax(560px, 1.25fr); gap: 54px; align-items: center; }
.hero-copy { position: relative; z-index: 2; }
.hero-copy h1 { max-width: 12.5ch; margin-top: 22px; font-size: clamp(3rem, 5vw, 4.4rem); letter-spacing: -.065em; }
.hero-copy h1 em { color: var(--indigo); font-style: normal; }
html[lang="zh-CN"] .hero-copy h1 em { display: inline-block; white-space: nowrap; }
.hero-title-lock { display: inline-block; white-space: nowrap; }
html[lang="en"] .hero-copy h1 { max-width: 13ch; font-size: clamp(3rem, 4.85vw, 4.4rem); letter-spacing: -.055em; }
.hero-copy .hero-lede { max-width: 590px; margin-top: 24px; color: var(--muted); font-size: clamp(1.05rem, 1.8vw, 1.28rem); }
.hero-copy .button-row { margin-top: 32px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 30px; color: var(--muted); font-size: .82rem; font-weight: 650; }
.hero-proof span { display: inline-flex; align-items: center; gap: 7px; }
.hero-proof span::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--mint); }

.workspace-wrap { position: relative; min-width: 0; isolation: isolate; }
.workspace-wrap::before { content: ""; position: absolute; z-index: -1; inset: 10% -8% -11% 5%; border-radius: 50%; background: rgba(91, 92, 226, .14); filter: blur(52px); }
.workspace-flow-canvas {
  position: absolute;
  z-index: 0;
  top: -82px;
  left: -112px;
  width: calc(100% + 208px);
  height: calc(100% + 160px);
  pointer-events: none;
  opacity: .88;
}
.workspace {
  position: relative;
  z-index: 2;
  overflow: hidden;
  min-height: 545px;
  border: 1px solid rgba(116, 103, 197, .23);
  border-radius: 27px;
  background: #fdfcff;
  box-shadow: var(--shadow-lg), 0 0 0 8px rgba(255, 255, 255, .45);
  font-size: .78rem;
}
.workspace-topbar { height: 51px; display: flex; align-items: center; gap: 10px; padding: 0 16px; color: #75758a; border-bottom: 1px solid #e9e7f0; background: rgba(255, 255, 255, .88); }
.workspace-dots { display: flex; gap: 5px; }
.workspace-dots i { width: 7px; height: 7px; border-radius: 50%; background: #d7d4e1; }
.workspace-title { color: var(--ink); font-weight: 780; }
.workspace-status { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; }
.workspace-status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 4px rgba(86, 199, 173, .13); }
.workspace-body { height: 494px; display: grid; grid-template-columns: 53px 178px minmax(230px, 1fr) 150px; min-width: 0; }
.channel-rail { display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 14px 8px; border-right: 1px solid #e9e7f0; background: #f5f3fb; }
.channel-chip { width: 30px; height: 30px; display: grid; place-items: center; color: #656579; border: 1px solid #dfdce9; border-radius: 10px; background: var(--white); font-size: .63rem; font-weight: 850; }
.channel-chip.is-active { color: var(--white); border-color: var(--indigo); background: var(--indigo); box-shadow: 0 8px 16px -10px rgba(91, 92, 226, .76); }
.inbox-panel { overflow: hidden; border-right: 1px solid #e9e7f0; background: #faf9fc; }
.panel-head { padding: 16px 14px 11px; color: var(--ink); font-size: .78rem; font-weight: 830; }
.panel-filter { display: flex; gap: 5px; padding: 0 10px 11px; }
.panel-filter span { padding: 5px 7px; color: #747388; border-radius: 7px; background: #f0eef5; font-size: .56rem; font-weight: 740; }
.panel-filter span:first-child { color: var(--indigo-deep); background: var(--indigo-soft); }
.inbox-item { display: grid; grid-template-columns: 29px 1fr auto; gap: 7px; padding: 10px; border-top: 1px solid #efedf3; }
.inbox-item.is-active { background: var(--indigo-soft); box-shadow: inset 3px 0 var(--indigo); }
.avatar { width: 29px; height: 29px; display: grid; place-items: center; border-radius: 10px; color: var(--indigo-deep); background: #e8e4ff; font-size: .64rem; font-weight: 850; }
.avatar--mint { color: #156c59; background: var(--mint-soft); }
.avatar--peach { color: #8d4c39; background: #fbe8df; }
.inbox-name { color: var(--ink); font-size: .67rem; font-weight: 800; }
.inbox-preview { overflow: hidden; margin-top: 3px; color: #757489; font-size: .58rem; text-overflow: ellipsis; white-space: nowrap; }
.inbox-time { color: #8f8e9f; font-size: .53rem; }
.conversation-panel { min-width: 0; display: flex; flex-direction: column; background: #fff; }
.conversation-head { display: flex; align-items: center; gap: 9px; padding: 12px 13px; border-bottom: 1px solid #efedf3; }
.conversation-name { color: var(--ink); font-weight: 820; }
.conversation-meta { color: #7c7b8e; font-size: .58rem; }
.route-badge { margin-left: auto; padding: 5px 8px; color: #176d5b; border: 1px solid #b9eadc; border-radius: 999px; background: var(--mint-soft); font-size: .56rem; font-weight: 800; }
.message-stream { flex: 1; overflow: hidden; padding: 16px 14px; background: linear-gradient(#fff, #fbfafd); }
.message { width: fit-content; max-width: 82%; margin-bottom: 10px; padding: 9px 11px; color: #4b4a5e; border: 1px solid #ebe9f1; border-radius: 6px 14px 14px; background: #f5f4f8; font-size: .64rem; line-height: 1.5; }
.message--agent { margin-left: auto; color: #373451; border-color: #dcd7ff; border-radius: 14px 6px 14px 14px; background: var(--indigo-soft); }
.message-note { display: flex; align-items: center; gap: 7px; width: fit-content; margin: 12px auto; padding: 5px 8px; color: #6f6e82; border-radius: 999px; background: #f3f1f6; font-size: .55rem; }
.message-note::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--mint); }
.composer { margin: 0 12px 12px; padding: 10px; color: #8d8c9c; border: 1px solid #dfdce8; border-radius: 11px; background: #fff; font-size: .61rem; box-shadow: 0 8px 18px -16px rgba(23, 23, 42, .5); }
.context-panel { overflow: hidden; padding: 14px 12px; border-left: 1px solid #e9e7f0; background: #faf9fc; }
.context-title { color: var(--ink); font-size: .68rem; font-weight: 820; }
.context-block { margin-top: 13px; padding-top: 11px; border-top: 1px solid #e8e6ee; }
.context-label { color: #858495; font-size: .53rem; font-weight: 780; letter-spacing: .07em; text-transform: uppercase; }
.context-value { margin-top: 4px; color: #4d4c60; font-size: .62rem; font-weight: 680; }
.tag-mini { display: inline-block; margin: 5px 3px 0 0; padding: 4px 6px; color: #665f96; border-radius: 6px; background: #eeebfb; font-size: .53rem; font-weight: 750; }
.team-stack { display: flex; margin-top: 7px; }
.team-stack span { width: 24px; height: 24px; display: grid; place-items: center; margin-right: -5px; color: #49465b; border: 2px solid #faf9fc; border-radius: 8px; background: #e4e1eb; font-size: .5rem; font-weight: 800; }
.workspace-metrics { position: relative; z-index: 2; margin-top: 14px; padding: 13px 14px 14px; border: 1px solid rgba(91, 92, 226, .16); border-radius: 18px; background: rgba(255, 255, 255, .92); box-shadow: var(--shadow-sm); }
.workspace-metrics__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; color: var(--ink); font-size: .67rem; font-weight: 800; }
.workspace-metrics__head b { padding: 4px 7px; color: var(--indigo-deep); border: 1px solid #d7d9f4; border-radius: 999px; background: var(--indigo-soft); font-size: .55rem; letter-spacing: .06em; text-transform: uppercase; }
.workspace-metrics__grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 7px; }
.workspace-metric { min-width: 0; padding: 9px 9px 8px; border: 1px solid var(--line-soft); border-radius: 11px; background: var(--paper); }
.workspace-metric span { min-height: 2.5em; display: -webkit-box; overflow: hidden; color: var(--muted); font-size: .56rem; font-weight: 700; line-height: 1.25; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.workspace-metric strong { display: block; margin-top: 3px; color: var(--ink); font-size: .9rem; line-height: 1.25; letter-spacing: -.02em; }
.workspace-metric i { display: block; height: 3px; margin-top: 7px; overflow: hidden; border-radius: 99px; background: #e1e5ef; }
.workspace-metric i::after { content: ""; display: block; width: var(--metric-fill); height: 100%; border-radius: inherit; background: var(--indigo); }
.workspace-metric:nth-child(2) i::after, .workspace-metric:nth-child(5) i::after { background: var(--mint); }
.flow-callout { position: absolute; z-index: 3; display: inline-flex; align-items: center; gap: 7px; padding: 8px 11px; color: #49536a; border: 1px solid rgba(91, 92, 226, .16); border-radius: 999px; background: rgba(255, 255, 255, .94); box-shadow: var(--shadow-sm); font-size: .65rem; font-weight: 750; }
.flow-callout::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--mint); }
.flow-callout--a { top: -14px; left: 10%; }
.flow-callout--b { right: -14px; top: 20%; }
.flow-callout--c { right: 5%; bottom: -15px; }

.channel-context { padding-top: 24px; }
.channel-context__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px; }
.channel-context__label { margin-right: 8px; color: var(--muted); font-size: .82rem; font-weight: 700; }
.channel-label { max-width: 100%; padding: 8px 13px; overflow-wrap: anywhere; color: #55556b; border: 1px solid var(--line); border-radius: 999px; background: rgba(255, 255, 255, .74); font-size: .78rem; font-weight: 720; line-height: 1.3; text-align: center; }
.channel-disclaimer { flex-basis: 100%; margin-top: 8px; color: #858496; text-align: center; font-size: .72rem; }

/* Workflow */
.workflow-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.workflow-card { position: relative; min-height: 265px; padding: 24px 20px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow-sm); }
.workflow-card::after { content: ""; position: absolute; left: 20px; right: 20px; bottom: 0; height: 3px; border-radius: 4px 4px 0 0; background: var(--indigo); opacity: calc(.25 + var(--step, 1) * .12); }
.workflow-number { width: 36px; height: 36px; display: grid; place-items: center; color: var(--indigo-deep); border: 1px solid #dcd7ff; border-radius: 12px; background: var(--indigo-soft); font-size: .76rem; font-weight: 850; }
.workflow-card h3 { margin-top: 34px; font-size: 1.24rem; }
.workflow-card p { margin-top: 10px; color: var(--muted); font-size: .9rem; }
.workflow-art { display: flex; align-items: center; gap: 5px; margin-top: 24px; }
.workflow-art i { height: 7px; flex: 1; border-radius: 99px; background: #ddd9ee; }
.workflow-art i:nth-child(2) { background: var(--indigo); }
.workflow-art i:last-child { background: var(--mint); }

/* General card systems */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { min-height: 250px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow-sm); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.feature-card:hover { transform: translateY(-4px); border-color: #c9c5e5; box-shadow: var(--shadow-md); }
.feature-icon { width: 48px; height: 48px; display: grid; place-items: center; color: var(--indigo-deep); border: 1px solid #dcd7ff; border-radius: 15px; background: var(--indigo-soft); font-size: 1.05rem; font-weight: 850; }
.feature-icon--mint { color: #176d5b; border-color: #b9eadc; background: var(--mint-soft); }
.feature-card h3 { margin-top: 30px; font-size: 1.3rem; }
.feature-card p { margin-top: 12px; color: var(--muted); }
.feature-card .text-link { display: inline-block; margin-top: 22px; font-size: .88rem; }
.split-section { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.split-copy h2 { margin-top: 16px; font-size: clamp(2rem, 4.2vw, 3.5rem); }
.split-copy > p { margin-top: 20px; color: var(--muted); font-size: 1.08rem; }
.check-list { display: grid; gap: 13px; margin-top: 26px; }
.check-list li { position: relative; padding-left: 31px; color: #505066; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 1px; width: 21px; height: 21px; display: grid; place-items: center; color: #145f50; border-radius: 7px; background: var(--mint-soft); font-size: .7rem; font-weight: 900; }
.surface-card { position: relative; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius-xl); background: var(--white); box-shadow: var(--shadow-lg); }
.surface-bar { height: 40px; display: flex; align-items: center; gap: 6px; padding: 0 4px 14px; border-bottom: 1px solid var(--line-soft); }
.surface-bar i { width: 7px; height: 7px; border-radius: 50%; background: #d8d5df; }
.surface-title { margin-left: 7px; color: var(--ink); font-size: .76rem; font-weight: 800; }
.routing-board { display: grid; grid-template-columns: .8fr 1.2fr; gap: 12px; margin-top: 16px; }
.routing-rules, .routing-preview { padding: 16px; border-radius: 16px; background: var(--mist); }
.routing-rules h4, .routing-preview h4 { font-size: .78rem; letter-spacing: -.01em; }
.rule-row { display: grid; grid-template-columns: 8px 1fr auto; gap: 8px; align-items: center; margin-top: 12px; padding: 10px; border: 1px solid #e3e0eb; border-radius: 10px; background: var(--white); font-size: .64rem; }
.rule-row i { width: 8px; height: 8px; border-radius: 50%; background: var(--mint); }
.rule-row span:last-child { color: #8a8999; }
.queue-row { display: flex; justify-content: space-between; gap: 8px; margin-top: 10px; padding: 10px 0; border-bottom: 1px solid #e0dde7; color: #55546a; font-size: .65rem; }
.queue-row b { color: var(--indigo-deep); }
.note-card { padding: 22px; color: #55556a; border-left: 3px solid var(--mint); border-radius: 0 16px 16px 0; background: var(--mint-soft); }
.note-card strong { color: #164f43; }

/* Complementary network capabilities and suitable industry contexts */
.section--network {
  overflow: hidden;
  border-block: 1px solid #dfe3ef;
  background:
    linear-gradient(rgba(91, 92, 226, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91, 92, 226, .035) 1px, transparent 1px),
    #e9edf6;
  background-size: 48px 48px;
}
.section--network::before { content: ""; position: absolute; width: 520px; height: 520px; right: -260px; top: -250px; border: 1px solid rgba(91, 92, 226, .12); border-radius: 50%; box-shadow: 0 0 0 56px rgba(91, 92, 226, .03), 0 0 0 112px rgba(91, 92, 226, .02); }
.section--network .container { position: relative; z-index: 1; }
.capability-matrix { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px; }
.capability-card { grid-column: span 2; min-height: 318px; display: flex; flex-direction: column; padding: 27px; border: 1px solid #d4d9e7; border-radius: var(--radius-lg); background: rgba(255, 255, 255, .94); box-shadow: var(--shadow-sm); transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.capability-card:nth-child(n+4) { grid-column: span 3; }
.capability-card:hover { transform: translateY(-4px); border-color: #bec4df; box-shadow: var(--shadow-md); }
.capability-card__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.capability-code { min-width: 42px; height: 32px; display: inline-grid; place-items: center; padding-inline: 8px; color: var(--white); border-radius: 10px; background: var(--indigo); font-size: .68rem; font-weight: 880; letter-spacing: .04em; }
.capability-kind { color: var(--muted); font-size: .67rem; font-weight: 720; text-align: right; }
.capability-card h3 { margin-top: 28px; font-size: 1.28rem; }
.capability-card p { margin-top: 12px; color: var(--muted); font-size: .89rem; }
.network-capability-link { position: relative; display: flex; align-items: center; gap: 12px; margin-top: auto; padding-top: 20px; border-top: 1px solid var(--line-soft); color: var(--indigo-deep); }
.network-capability-link span { font-size: .86rem; font-weight: 800; }
.network-capability-link small { margin-left: auto; color: var(--muted); font-size: .66rem; }
.network-capability-link::after { content: "↗"; color: var(--indigo); font-size: .92rem; }
.capability-boundary { max-width: 940px; margin: 26px auto 0; color: #677188; text-align: center; font-size: .76rem; }
.industry-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 14px; }
.industry-card { grid-column: span 3; min-height: 205px; padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: var(--white); box-shadow: var(--shadow-sm); }
.industry-card > span { color: var(--indigo-deep); font-size: .68rem; font-weight: 850; letter-spacing: .1em; }
.industry-card h3 { margin-top: 26px; font-size: 1.15rem; }
.industry-card p { margin-top: 10px; color: var(--muted); font-size: .84rem; }
.region-note { display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: center; margin-top: 18px; padding: 21px 24px; border: 1px solid #d4d9ef; border-radius: 18px; background: var(--indigo-soft); }
.region-note strong { color: var(--indigo-deep); font-size: .9rem; }
.region-note span { color: #59647d; font-size: .84rem; }

/* Secondary page hero */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: 94px 0 82px;
  text-align: center;
  background:
    radial-gradient(42% 100% at 50% 0%, rgba(91, 92, 226, .13), transparent 72%),
    radial-gradient(28% 76% at 82% 82%, rgba(86, 199, 173, .08), transparent 72%),
    var(--paper);
}
.page-hero::after { content: ""; position: absolute; width: 340px; height: 340px; left: -160px; bottom: -250px; border: 1px solid rgba(91, 92, 226, .14); border-radius: 50%; box-shadow: 0 0 0 44px rgba(91, 92, 226, .03), 0 0 0 88px rgba(91, 92, 226, .02); }
.page-hero .container { position: relative; z-index: 1; }
.page-hero .eyebrow { justify-content: center; }
.page-hero h1 { max-width: 18ch; margin: 20px auto 0; font-size: clamp(2.7rem, 6.7vw, 5.6rem); }
.page-hero p { max-width: 710px; margin: 22px auto 0; color: var(--muted); font-size: clamp(1.05rem, 1.8vw, 1.22rem); }
.page-hero .button-row { justify-content: center; margin-top: 32px; }
.hero-index { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 36px; }
.hero-index a { padding: 8px 12px; color: #5d5c70; border: 1px solid var(--line); border-radius: 999px; background: rgba(255, 255, 255, .72); font-size: .78rem; font-weight: 700; }
.hero-index a:hover { color: var(--indigo-deep); border-color: #c7c2e4; }

/* Product */
.product-stack { display: grid; gap: 30px; }
.product-block { display: grid; grid-template-columns: .82fr 1.18fr; gap: 50px; align-items: center; padding: 52px; border: 1px solid var(--line); border-radius: var(--radius-xl); background: var(--white); box-shadow: var(--shadow-sm); }
.product-block:nth-child(even) { grid-template-columns: 1.18fr .82fr; }
.product-block:nth-child(even) .product-copy { order: 2; }
.product-step { color: var(--indigo-deep); font-size: .74rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.product-copy h2 { margin-top: 12px; font-size: clamp(1.8rem, 3.5vw, 2.9rem); }
.product-copy p { margin-top: 16px; color: var(--muted); }
.product-bullets { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.product-bullets span { padding: 7px 10px; color: #605d7d; border-radius: 9px; background: var(--indigo-soft); font-size: .76rem; font-weight: 720; }
.mini-ui { min-height: 280px; padding: 20px; border: 1px solid #e3e0eb; border-radius: 21px; background: var(--mist); }
.mini-ui__head { display: flex; justify-content: space-between; gap: 12px; padding-bottom: 13px; color: var(--ink); border-bottom: 1px solid #dfdce5; font-size: .72rem; font-weight: 800; }
.mini-ui__row { display: grid; grid-template-columns: 34px 1fr auto; gap: 10px; align-items: center; margin-top: 13px; padding: 12px; border: 1px solid #e3e0e9; border-radius: 12px; background: var(--white); font-size: .68rem; }
.mini-ui__row i { width: 34px; height: 34px; display: grid; place-items: center; color: var(--indigo-deep); border-radius: 11px; background: var(--indigo-soft); font-style: normal; font-weight: 850; }
.mini-ui__row strong { display: block; color: var(--ink); }
.mini-ui__row small { color: #8b8999; }
.mini-ui__row b { color: #176d5b; font-size: .6rem; }
.insight-bars { display: grid; gap: 13px; margin-top: 22px; }
.insight-row { display: grid; grid-template-columns: 118px 1fr auto; gap: 12px; align-items: center; color: #636276; font-size: .65rem; }
.insight-track { height: 10px; overflow: hidden; border-radius: 99px; background: #e4e1eb; }
.insight-track i { display: block; height: 100%; border-radius: inherit; background: var(--indigo); }
.insight-row b { min-width: 38px; color: var(--ink); text-align: right; font-size: .68rem; }
.insight-row:nth-child(2) .insight-track i { width: 74%; background: #8478ed; }
.insight-row:nth-child(3) .insight-track i { width: 58%; background: var(--mint); }

/* Solutions */
.audience-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.audience-card { padding: 34px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow-sm); }
.audience-card__top { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.audience-card__code { color: var(--indigo-deep); font-size: .72rem; font-weight: 850; letter-spacing: .12em; }
.audience-card__tag { padding: 6px 9px; color: #176d5b; border-radius: 999px; background: var(--mint-soft); font-size: .68rem; font-weight: 800; }
.audience-card h2 { margin-top: 20px; font-size: 1.8rem; }
.audience-card > p { margin-top: 12px; color: var(--muted); }
.scenario-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 26px; }
.scenario { padding: 15px; border: 1px solid var(--line-soft); border-radius: 13px; background: var(--mist); }
.scenario strong { display: block; color: var(--ink); font-size: .79rem; }
.scenario span { display: block; margin-top: 5px; color: var(--muted); font-size: .76rem; }
.boundary-note { margin-top: 42px; padding: 26px 30px; border: 1px dashed #c9c3e8; border-radius: var(--radius-lg); color: #5b5971; background: #f8f6ff; }

/* Developers */
.integration-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.integration-card { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow-sm); }
.integration-card .feature-icon { width: 42px; height: 42px; font-size: .9rem; }
.integration-card h2 { margin-top: 24px; font-size: 1.34rem; }
.integration-card p { margin-top: 10px; color: var(--muted); font-size: .92rem; }
.code-shell { overflow: hidden; border: 1px solid #343449; border-radius: var(--radius-lg); background: #171722; box-shadow: var(--shadow-lg); }
.code-shell__bar { display: flex; align-items: center; gap: 6px; padding: 13px 17px; color: #a7a5ba; border-bottom: 1px solid #343449; font-size: .72rem; }
.code-shell__bar i { width: 7px; height: 7px; border-radius: 50%; background: #5e5c6c; }
.code-shell__bar span { margin-left: 7px; }
.code-shell pre { padding: 24px; overflow-x: auto; color: #e5e3f0; font: 500 .8rem/1.75 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: pre; }
.code-key { color: #bdb6ff; }
.code-value { color: #82e6ca; }
.concept-label { padding: 14px 18px; color: #b9b7c8; border-top: 1px solid #343449; background: #20202c; font-size: .72rem; }
.dev-path { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.dev-step { padding: 23px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--white); }
.dev-step b { color: var(--indigo-deep); font-size: .72rem; letter-spacing: .1em; }
.dev-step h3 { margin-top: 17px; font-size: 1.1rem; }
.dev-step p { margin-top: 8px; color: var(--muted); font-size: .83rem; }

/* Resources */
.resource-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.resource-card { display: flex; flex-direction: column; min-height: 300px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow-sm); }
.resource-type { color: var(--indigo-deep); font-size: .72rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.resource-card h2 { margin-top: 24px; font-size: 1.38rem; }
.resource-card p { margin-top: 12px; color: var(--muted); }
.resource-card .text-link { margin-top: auto; padding-top: 24px; font-size: .88rem; }
.guide-stack { display: grid; gap: 13px; max-width: 900px; margin-inline: auto; }
.guide-stack details { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--white); box-shadow: var(--shadow-sm); }
.guide-stack summary { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 22px 24px; color: var(--ink); cursor: pointer; font-weight: 760; list-style: none; }
.guide-stack summary::-webkit-details-marker { display: none; }
.guide-stack summary::after { content: "+"; color: var(--indigo); font-size: 1.25rem; }
.guide-stack details[open] summary::after { content: "−"; }
.guide-content { padding: 0 24px 24px; color: var(--muted); }
.guide-content ol { display: grid; gap: 9px; padding-left: 22px; list-style: decimal; }
.guide-content li { padding-left: 4px; }

/* Pricing and contact */
.pricing-principles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.pricing-factor { padding: 25px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow-sm); }
.pricing-factor b { color: var(--indigo-deep); font-size: .76rem; letter-spacing: .1em; }
.pricing-factor h2 { margin-top: 20px; font-size: 1.2rem; }
.pricing-factor p { margin-top: 10px; color: var(--muted); font-size: .88rem; }
.scope-table { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow-sm); }
.scope-row { display: grid; grid-template-columns: .75fr 1.25fr 1.25fr; }
.scope-row > * { padding: 18px 20px; border-bottom: 1px solid var(--line-soft); }
.scope-row > * + * { border-left: 1px solid var(--line-soft); }
.scope-row:last-child > * { border-bottom: 0; }
.scope-row--head { color: var(--ink); background: var(--mist); font-size: .78rem; font-weight: 820; }
.scope-row:not(.scope-row--head) strong { color: var(--ink); font-size: .88rem; }
.scope-row:not(.scope-row--head) span { color: var(--muted); font-size: .84rem; }
.honest-callout { display: grid; grid-template-columns: 1fr auto; gap: 28px; align-items: center; margin-top: 36px; padding: 30px; border: 1px solid #cbc6e7; border-radius: var(--radius-lg); background: #f7f5ff; }
.honest-callout h3 { font-size: 1.25rem; }
.honest-callout p { margin-top: 8px; color: var(--muted); }
.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 54px; align-items: start; }
.contact-copy h2 { margin-top: 16px; font-size: clamp(2rem, 4vw, 3.2rem); }
.contact-copy > p { margin-top: 18px; color: var(--muted); }
.contact-status { margin-top: 26px; padding: 18px; border: 1px solid #c8c3e5; border-radius: var(--radius-md); background: #f7f5ff; }
.contact-status strong { display: block; color: var(--ink); }
.contact-status span { display: block; margin-top: 6px; color: var(--muted); font-size: .86rem; }
.section--contact { padding-block: 56px; background: linear-gradient(135deg, rgba(91, 92, 226, .075), rgba(86, 199, 173, .055)), var(--paper); }
.contact-methods { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 48px; align-items: center; padding: 42px; border: 1px solid rgba(91, 92, 226, .18); border-radius: var(--radius-xl); background: rgba(255, 255, 255, .9); box-shadow: var(--shadow-md); }
.contact-methods__copy h2 { max-width: 18ch; margin-top: 14px; font-size: clamp(2rem, 3.8vw, 3.2rem); }
.contact-methods__copy > p { max-width: 680px; margin-top: 16px; color: var(--muted); }
.contact-methods .button-row { margin-top: 24px; }
.contact-email { display: inline-flex; margin-top: 20px; color: var(--indigo-deep); font-size: clamp(1rem, 1.8vw, 1.24rem); font-weight: 780; overflow-wrap: anywhere; }
.contact-email:hover { color: var(--indigo); }
.wechat-qr-card { width: 250px; display: grid; place-items: center; padding: 18px; color: var(--ink); border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow-sm); text-align: center; }
.wechat-qr-card img { width: 190px; height: 190px; display: block; padding: 12px; border-radius: 12px; background: #fff; object-fit: contain; }
.wechat-qr-card span { margin-top: 12px; font-weight: 790; }
.wechat-qr-card small { margin-top: 4px; color: var(--muted); font-size: .76rem; }
.wechat-qr-card:hover { border-color: rgba(91, 92, 226, .35); transform: translateY(-2px); }
.template-card { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow-md); }
.template-card__head { display: flex; align-items: start; justify-content: space-between; gap: 18px; }
.template-card h2 { font-size: 1.35rem; }
.template-card__head p { margin-top: 7px; color: var(--muted); font-size: .86rem; }
.template-text { margin-top: 22px; padding: 19px; color: #4f4e61; border: 1px solid var(--line-soft); border-radius: 14px; background: var(--mist); font: 500 .82rem/1.8 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: pre-wrap; }
.copy-status { min-height: 22px; margin-top: 12px; color: var(--mint-deep); font-size: .78rem; }

/* About */
.belief-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.belief-card { padding: 30px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); }
.belief-card b { color: var(--indigo-deep); font-size: .72rem; letter-spacing: .12em; }
.belief-card h2 { margin-top: 24px; font-size: 1.4rem; }
.belief-card p { margin-top: 12px; color: var(--muted); }
.brand-story { display: grid; grid-template-columns: .88fr 1.12fr; gap: 70px; align-items: center; }
.brand-mark-stage { min-height: 420px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: var(--radius-xl); background: radial-gradient(circle at 50% 50%, rgba(86,199,173,.1), transparent 44%), var(--mist); }
.brand-mark-stage img { width: 180px; filter: drop-shadow(0 24px 28px rgba(53, 43, 128, .2)); }
.brand-story__copy h2 { margin-top: 16px; font-size: clamp(2rem, 4vw, 3.3rem); }
.brand-story__copy p { margin-top: 18px; color: var(--muted); }
.color-row { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 26px; }
.color-chip { display: inline-flex; align-items: center; gap: 8px; padding: 8px 11px; color: #5b5a6e; border: 1px solid var(--line); border-radius: 999px; background: var(--white); font-size: .76rem; font-weight: 720; }
.color-chip i { width: 13px; height: 13px; border-radius: 50%; background: var(--chip); }
.legal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.legal-card { scroll-margin-top: 104px; padding: 34px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow-sm); }
.legal-card h2 { margin-top: 14px; font-size: clamp(1.65rem, 2.8vw, 2.25rem); }
.legal-card p { margin-top: 15px; color: var(--muted); }

/* CTA and footer */
.cta-panel { position: relative; overflow: hidden; padding: 68px; color: #d8d6e8; border-radius: var(--radius-xl); background: var(--ink); box-shadow: var(--shadow-lg); }
.cta-panel::before { content: ""; position: absolute; width: 440px; height: 440px; right: -170px; top: -250px; border: 1px solid rgba(174, 178, 246, .22); border-radius: 50%; box-shadow: 0 0 0 48px rgba(91, 92, 226, .07), 0 0 0 96px rgba(91, 92, 226, .04); }
.cta-panel__inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr auto; gap: 36px; align-items: center; }
.cta-panel h2 { max-width: 15ch; color: var(--white); font-size: clamp(2rem, 4.5vw, 3.8rem); }
.cta-panel p { max-width: 650px; margin-top: 16px; color: #b9b7c9; }
.cta-panel .button-row { justify-content: flex-end; }
.site-footer { padding: 72px 0 30px; color: #aaa8ba; background: #12121e; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1.12fr 1.08fr 1.05fr 1.35fr; gap: 38px 24px; padding-bottom: 48px; border-bottom: 1px solid #2a2937; }
.footer-brand img { width: 164px; }
.footer-brand p { max-width: 270px; margin-top: 18px; color: #9694a7; font-size: .87rem; }
.footer-col h2 { color: #eceaf4; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; }
.footer-col a, .footer-col span { display: block; margin-top: 12px; color: #aaa8ba; font-size: .84rem; overflow-wrap: anywhere; }
.footer-email { overflow-wrap: normal !important; word-break: normal; }
.footer-email > span { display: inline; margin-top: 0; color: inherit; font: inherit; }
.footer-email__domain { white-space: nowrap; }
.footer-col a:hover { color: var(--mint); }
.footer-note { margin-top: 12px; color: #777586; font-size: .78rem; }
.network-list { display: grid; gap: 4px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-top: 26px; color: #777586; font-size: .76rem; }
.footer-bottom__tagline { text-align: center; }
.footer-bottom__links { display: flex; gap: 18px; }
.footer-bottom__links a { color: inherit; }
.footer-bottom a:hover { color: var(--mint); }

/* 404 */
.not-found { min-height: calc(100vh - 76px); display: grid; place-items: center; padding: 80px 0; background: radial-gradient(circle at 50% 34%, rgba(91,92,226,.12), transparent 30%), var(--paper); }
.not-found__inner { max-width: 720px; text-align: center; }
.not-found__code { display: inline-flex; align-items: center; gap: 15px; color: var(--indigo); font-size: clamp(4.5rem, 14vw, 9rem); font-weight: 850; line-height: 1; letter-spacing: -.08em; }
.not-found__code img { width: .65em; }
.not-found h1 { margin-top: 22px; font-size: clamp(2rem, 5vw, 3.8rem); }
.not-found p { max-width: 580px; margin: 18px auto 0; color: var(--muted); }
.not-found .button-row { justify-content: center; margin-top: 30px; }

[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .55s ease, transform .55s ease; }
[data-reveal].is-visible { opacity: 1; transform: none; }

@media (max-width: 1160px) {
  .hero-grid { grid-template-columns: .8fr 1.2fr; gap: 34px; }
  .workspace-body { grid-template-columns: 48px 155px minmax(220px, 1fr); }
  .context-panel { display: none; }
  .workflow-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1.4fr repeat(3, 1fr); }
  .footer-col--network { grid-column: 2 / -1; }
}

@media (max-width: 1080px) {
  .site-nav {
    position: fixed;
    inset: 76px 0 auto;
    max-height: calc(100vh - 76px);
    max-height: calc(100dvh - 76px);
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 2px;
    padding: 14px var(--gutter) 26px;
    overflow-y: auto;
    border-bottom: 1px solid var(--line);
    background: rgba(247, 248, 252, .995);
    box-shadow: var(--shadow-lg);
  }
  .site-nav[data-open="true"] { display: flex; }
  .site-nav > a { padding: 13px 10px; font-size: 1rem; }
  .site-nav > a::after { display: none; }
  .site-nav > a.nav-contact { margin: 8px 0 0; padding: 13px 14px; text-align: center; }
  .menu-button { display: inline-flex; }
  .header-cta { display: none; }
  .header-actions { margin-left: auto; }
  .hero-grid { grid-template-columns: 1fr; gap: 64px; }
  .hero-copy { max-width: 750px; }
  .hero-copy h1 { max-width: 11ch; }
  .workspace-wrap { max-width: 760px; margin-inline: auto; }
  .workspace-body { grid-template-columns: 53px 190px minmax(280px, 1fr) 160px; }
  .context-panel { display: block; }
  .split-section, .brand-story { gap: 44px; }
  .product-block, .product-block:nth-child(even) { gap: 36px; padding: 38px; }
  .integration-grid, .resource-grid, .belief-grid { grid-template-columns: repeat(2, 1fr); }
  .capability-matrix { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .capability-card, .capability-card:nth-child(n+4) { grid-column: auto; }
  .industry-card, .industry-card:nth-child(n+5) { grid-column: span 6; }
  .pricing-principles { grid-template-columns: repeat(2, 1fr); }
  .cta-panel__inner { grid-template-columns: 1fr; }
  .cta-panel .button-row { justify-content: flex-start; }
}

@media (max-width: 820px) {
  :root { --gutter: 20px; }
  .section { padding: 76px 0; }
  .section--compact { padding: 58px 0; }
  .home-hero { padding: 62px 0 74px; }
  .page-hero { padding: 74px 0 64px; }
  .workspace { min-height: 500px; }
  .workspace-flow-canvas { top: -58px; left: -54px; width: calc(100% + 102px); height: calc(100% + 116px); opacity: .76; }
  .workspace-body { height: 449px; grid-template-columns: 48px 165px minmax(250px, 1fr); }
  .context-panel { display: none; }
  .workflow-grid { grid-template-columns: 1fr 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .industry-grid { grid-template-columns: 1fr 1fr; }
  .industry-card, .industry-card:nth-child(n+5) { grid-column: auto; }
  .split-section, .brand-story, .contact-grid { grid-template-columns: 1fr; }
  .contact-methods { grid-template-columns: 1fr; }
  .wechat-qr-card { justify-self: start; }
  .legal-grid { grid-template-columns: 1fr; }
  .product-block, .product-block:nth-child(even) { grid-template-columns: 1fr; }
  .product-block:nth-child(even) .product-copy { order: 0; }
  .audience-grid { grid-template-columns: 1fr; }
  .dev-path { grid-template-columns: 1fr 1fr; }
  .scope-row { grid-template-columns: .8fr 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-col--network { grid-column: auto; }
  .brand-mark-stage { min-height: 340px; }
  .cta-panel { padding: 48px 36px; }
}

@media (max-width: 600px) {
  :root { --gutter: 16px; }
  .header-inner { height: 68px; }
  .brand img { width: 132px; }
  .site-nav { inset: 68px 0 auto; max-height: calc(100dvh - 68px); }
  .lang-switch { padding: 7px 9px; }
  .home-hero { padding-top: 48px; }
  .hero-grid { gap: 44px; }
  .hero-copy h1 { font-size: clamp(2.72rem, 14vw, 4.1rem); }
  html[lang="en"] .hero-copy h1 { font-size: clamp(2.72rem, 13vw, 3.7rem); }
  .hero-copy .hero-lede { font-size: 1.02rem; }
  .hero-copy .button-row { margin-top: 28px; }
  .button-row { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .hero-proof { display: grid; row-gap: 8px; margin-top: 24px; }
  .workspace { min-height: 430px; border-radius: 20px; }
  .workspace-wrap[data-reveal] { opacity: 1; transform: none; }
  .workspace-flow-canvas { top: -34px; left: -22px; width: calc(100% + 44px); height: calc(100% + 74px); opacity: .68; }
  .workspace-topbar { padding-inline: 12px; }
  .workspace-body { height: 379px; grid-template-columns: 42px minmax(0, 1fr); }
  .workspace-metrics { padding: 12px; }
  .workspace-metrics__grid { grid-template-columns: 1fr 1fr; }
  .workspace-metric:last-child { grid-column: 1 / -1; }
  .channel-rail { padding-inline: 5px; }
  .channel-chip { width: 28px; height: 28px; }
  .inbox-panel, .context-panel { display: none; }
  .conversation-head { padding-inline: 10px; }
  .route-badge { max-width: 84px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .flow-callout--a { left: 4%; }
  .flow-callout--b { right: 2px; top: 15%; }
  .flow-callout--c { right: 3%; }
  .channel-context__label { flex-basis: 100%; margin: 0 0 3px; text-align: center; }
  .workflow-grid, .feature-grid, .integration-grid, .resource-grid, .belief-grid, .pricing-principles, .capability-matrix, .industry-grid { grid-template-columns: 1fr; }
  .capability-card, .capability-card:nth-child(n+4), .industry-card, .industry-card:nth-child(n+5) { grid-column: auto; }
  .capability-card { min-height: 288px; padding: 24px 20px; }
  .network-capability-link { align-items: flex-start; flex-direction: column; gap: 2px; padding-right: 24px; }
  .network-capability-link small { margin-left: 0; }
  .network-capability-link::after { position: absolute; right: 20px; }
  .industry-card { min-height: 0; }
  .region-note { grid-template-columns: 1fr; gap: 7px; }
  .workflow-card { min-height: 220px; }
  .workflow-card h3 { margin-top: 26px; }
  .feature-card { min-height: 0; }
  .section-head { margin-bottom: 34px; }
  .section-head h2 { font-size: 2.24rem; }
  .page-hero h1 { font-size: 2.72rem; }
  .product-block, .product-block:nth-child(even) { padding: 26px 20px; }
  .mini-ui { min-height: 250px; padding: 14px; }
  .routing-board { grid-template-columns: 1fr; }
  .scenario-grid { grid-template-columns: 1fr; }
  .audience-card { padding: 25px 20px; }
  .dev-path { grid-template-columns: 1fr; }
  .code-shell pre { padding: 18px; font-size: .7rem; }
  .scope-table { overflow-x: auto; }
  .scope-row { min-width: 650px; }
  .honest-callout { grid-template-columns: 1fr; }
  .template-card { padding: 22px 18px; }
  .template-card__head { display: block; }
  .template-card__head .button { margin-top: 18px; }
  .contact-methods { gap: 30px; padding: 26px 20px; }
  .wechat-qr-card { width: 100%; }
  .wechat-qr-card img { width: 196px; height: 196px; }
  .brand-mark-stage { min-height: 280px; }
  .brand-mark-stage img { width: 140px; }
  .cta-panel { padding: 40px 24px; }
  .cta-panel .button-row { justify-content: stretch; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px 20px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-col--network { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
  .not-found { min-height: calc(100vh - 68px); }
}

@media (max-width: 380px) {
  .lang-switch { font-size: .7rem; }
  .menu-button { width: 42px; height: 42px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-col--network { grid-column: auto; }
}

@media (max-width: 360px) {
  .hero-copy h1,
  html[lang="en"] .hero-copy h1 { font-size: 2.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}