:root {
  --bg: #050d1a;
  --bg-2: #07172b;
  --panel: rgba(10, 28, 48, 0.86);
  --panel-2: rgba(14, 38, 62, 0.72);
  --line: rgba(120, 190, 220, 0.16);
  --line-strong: rgba(0, 229, 195, 0.42);
  --text: #e8f4ff;
  --muted: #8aa6bd;
  --teal: #00e5c3;
  --teal-2: #14b8a6;
  --amber: #ffb020;
  --red: #ff5a5f;
  --blue: #4aa8ff;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
  --radius: 18px;
  --max: clamp(1240px, 96vw, 2200px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 0%, rgba(0, 229, 195, 0.12), transparent 34%),
    radial-gradient(circle at 88% 8%, rgba(74, 168, 255, 0.12), transparent 36%),
    linear-gradient(180deg, var(--bg) 0%, #061120 55%, #040a14 100%);
  color: var(--text);
  font-family: "Be Vietnam Pro", "Segoe UI", system-ui, -apple-system, sans-serif;
  line-height: 1.55;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
img { max-width: 100%; display: block; }

#site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(4, 12, 22, 0.82);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 22px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { height: 26px; width: auto; }
.nav { display: flex; gap: 4px; margin-left: auto; flex-wrap: wrap; }
.nav a {
  padding: 8px 10px; border-radius: 999px; color: var(--muted); font-size: 12px;
  transition: 0.2s; white-space: nowrap;
}
.nav a:hover, .nav a.active { color: var(--text); background: rgba(0, 229, 195, 0.09); }
.header-cta { display: flex; gap: 8px; align-items: center; }
.menu-toggle { display: none; }
.lang-select {
  background: rgba(255,255,255,0.05); border: 1px solid var(--line); color: var(--text);
  border-radius: 999px; padding: 7px 9px; font-size: 12px; outline: none;
}
.lang-select option { background: #0a1a2c; color: var(--text); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 18px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 700; font-size: 13px; transition: 0.2s; background: var(--teal); color: #04111c;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 30px rgba(0, 229, 195, 0.22); }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--teal); color: var(--teal); }
.btn.amber { background: var(--amber); color: #1b1200; }
.btn.small { padding: 8px 13px; font-size: 12px; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; box-shadow: none; }

.page { max-width: var(--max); margin: 0 auto; padding: 38px 24px 84px; }
.eyebrow {
  display: flex; align-items: center; gap: 10px;
  color: var(--teal); font-size: 11px; font-weight: 800; letter-spacing: 0.22em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 34px; height: 3px; background: var(--teal); border-radius: 2px; }
h1, h2, h3, h4 { line-height: 1.12; margin: 0; }
h1 { font-size: clamp(38px, 5.2vw, 72px); letter-spacing: -0.04em; }
h2 { font-size: clamp(26px, 3vw, 40px); letter-spacing: -0.03em; }
h3 { font-size: 19px; }
.lead { color: var(--muted); font-size: 16px; max-width: 720px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.mono { font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace; }

.hero { display: grid; grid-template-columns: 1.12fr 0.88fr; gap: 28px; align-items: stretch; }
.hero-copy { padding: 40px 0 20px; }
.hero-copy h1 { margin: 18px 0 18px; }
.hero-copy h1 span { color: var(--teal); }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 26px; }
.hero-panel {
  position: relative; overflow: hidden; border: 1px solid var(--line);
  border-radius: 26px; background: linear-gradient(160deg, rgba(0,229,195,0.08), rgba(74,168,255,0.05) 45%, rgba(6,17,32,0.9));
  box-shadow: var(--shadow); min-height: 420px; padding: 24px;
}
.hero-panel::after {
  content: ""; position: absolute; inset: -40% -30% auto auto; width: 340px; height: 340px;
  background: radial-gradient(circle, rgba(0,229,195,0.22), transparent 65%);
  filter: blur(10px); pointer-events: none;
}
.hero-panel .panel-label { color: var(--muted); font-size: 11px; letter-spacing: 0.18em; }
.hero-panel .big-stat { font-size: clamp(64px, 8vw, 112px); font-weight: 900; letter-spacing: -0.06em; color: var(--teal); line-height: 0.9; margin-top: 18px; }
.split-bar { margin-top: 22px; }
.split-bar .track { height: 14px; border-radius: 999px; background: rgba(255,255,255,0.08); overflow: hidden; display: flex; }
.split-bar .ten { width: 10%; background: var(--amber); }
.split-bar .ninety { width: 90%; background: linear-gradient(90deg, var(--teal), var(--blue)); }
.split-bar .legend { display: flex; justify-content: space-between; margin-top: 10px; font-size: 12px; color: var(--muted); }
.hero-note { margin-top: 22px; padding: 12px 14px; border-left: 2px solid var(--teal); background: rgba(0,229,195,0.06); color: var(--muted); font-size: 13px; }

.map-visual { position: relative; margin-top: 20px; height: 230px; }
.map-visual svg { width: 100%; height: 100%; }
.map-dot { fill: var(--teal); filter: drop-shadow(0 0 6px rgba(0,229,195,0.9)); }
.map-dot.amber { fill: var(--amber); }
.map-line { stroke: rgba(0,229,195,0.35); stroke-width: 1; fill: none; stroke-dasharray: 4 5; }
.map-label { fill: var(--muted); font-size: 10px; }

.section { margin-top: 56px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 18px; margin-bottom: 20px; flex-wrap: wrap; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }

.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; transition: 0.22s;
}
.card:hover { border-color: var(--line-strong); transform: translateY(-2px); box-shadow: 0 16px 40px rgba(0,0,0,0.28); }
.card .icon { width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; background: rgba(0,229,195,0.1); color: var(--teal); font-weight: 800; margin-bottom: 14px; }
.card p { color: var(--muted); font-size: 13px; margin: 8px 0 0; }
.card-link { display: inline-flex; margin-top: 14px; color: var(--teal); font-size: 12px; font-weight: 700; }
.platform-card { display: block; }
.platform-card:hover .card-link { color: var(--text); }
.platform-note { margin: 16px 0 0; color: var(--muted); font-size: 12px; }
.route-title { margin-top: 12px; }
.route-line { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 12px; align-items: center; margin-top: 20px; }
.route-line > div { border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; background: var(--panel); }
.route-line b { display: block; font-size: 15px; }
.route-line small { display: block; color: var(--muted); font-size: 11px; margin-top: 4px; }
.route-arrow { color: var(--teal); font-weight: 800; }

.scene-card { cursor: pointer; position: relative; overflow: hidden; min-height: 140px; }
.scene-card::after { content: ""; position: absolute; right: -20px; bottom: -30px; width: 110px; height: 110px; border-radius: 50%; background: radial-gradient(circle, rgba(0,229,195,0.18), transparent 65%); }
.scene-card b { font-size: 18px; }
.scene-card span { display: block; color: var(--muted); font-size: 12px; margin-top: 6px; }

.kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.kpi { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 18px; }
.kpi b { display: block; font-size: clamp(26px, 3vw, 38px); letter-spacing: -0.04em; color: var(--teal); }
.kpi span { color: var(--muted); font-size: 12px; }

.form-card { background: var(--panel); border: 1px solid var(--line); border-radius: 22px; padding: 26px; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field label { font-size: 12px; color: var(--muted); font-weight: 700; letter-spacing: 0.03em; }
.field input, .field select, .field textarea {
  width: 100%; background: rgba(255,255,255,0.04); border: 1px solid var(--line);
  color: var(--text); border-radius: 12px; padding: 11px 12px; outline: none; transition: 0.2s;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(0,229,195,0.12); }
.field option { background: #0a1a2c; }
.checks { display: flex; flex-wrap: nowrap; gap: 8px; overflow-x: auto; padding-bottom: 2px; scrollbar-width: none; }
.checks::-webkit-scrollbar { display: none; }
.check { display: inline-flex; flex: 0 0 auto; align-items: center; gap: 7px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; font-size: 12px; color: var(--muted); cursor: pointer; white-space: nowrap; }
.check input { accent-color: var(--teal); }
.check.on { border-color: var(--teal); color: var(--teal); background: rgba(0,229,195,0.08); }

.funnel { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 18px 0 26px; }
.funnel-step { border: 1px solid var(--line); border-radius: 14px; padding: 14px; background: var(--panel-2); }
.funnel-step b { display: block; font-size: 30px; color: var(--teal); }
.funnel-step span { font-size: 11px; color: var(--muted); }
.funnel-step .bar { height: 5px; border-radius: 999px; background: rgba(255,255,255,0.08); margin-top: 10px; overflow: hidden; }
.funnel-step .bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--teal), var(--blue)); animation: grow 1s ease both; }
@keyframes grow { from { width: 0 !important; } }

.candidate { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 18px; align-items: start; }
.candidate-list { display: grid; gap: 12px; }
.candidate-card { display: grid; grid-template-columns: 112px 1fr; gap: 14px; padding: 12px; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); }
.candidate-card img { width: 112px; height: 112px; object-fit: contain; background: #fff; border-radius: 12px; padding: 6px; }
.candidate-card .fit { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 4px 8px; border-radius: 999px; font-size: 10px; font-weight: 700; letter-spacing: 0.02em; white-space: nowrap; }
.badge-teal { background: rgba(0,229,195,0.12); color: var(--teal); border: 1px solid rgba(0,229,195,0.25); }
.badge-amber { background: rgba(255,176,32,0.12); color: var(--amber); border: 1px solid rgba(255,176,32,0.25); }
.badge-red { background: rgba(255,90,95,0.12); color: var(--red); border: 1px solid rgba(255,90,95,0.25); }
.badge-blue { background: rgba(74,168,255,0.12); color: var(--blue); border: 1px solid rgba(74,168,255,0.25); }

.mall-toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; margin: 18px 0; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill { padding: 8px 13px; border: 1px solid var(--line); border-radius: 999px; background: transparent; color: var(--muted); font-size: 12px; }
.pill.on { background: var(--text); color: #06111e; border-color: var(--text); font-weight: 700; }
.search { background: rgba(255,255,255,0.04); border: 1px solid var(--line); border-radius: 999px; color: var(--text); padding: 9px 14px; min-width: 220px; flex: 1 1 280px; max-width: 420px; outline: none; }

.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.product-card { border: 1px solid var(--line); border-radius: 16px; background: var(--panel); overflow: hidden; transition: 0.2s; display: flex; flex-direction: column; }
.product-card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.product-card .shot { height: 170px; background: #fff; padding: 12px; position: relative; overflow: hidden; }
.product-card .shot img { position: absolute; top: 12px; left: 12px; width: calc(100% - 24px); height: calc(100% - 24px); object-fit: contain; }
.product-card .body { padding: 14px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.product-card .title { display: flex; justify-content: space-between; gap: 8px; align-items: baseline; }
.product-card .title b { font-size: 15px; }
.product-card .title em { font-style: normal; color: var(--muted); font-size: 11px; }
.product-card .price { display: flex; justify-content: space-between; gap: 8px; margin-top: auto; padding-top: 8px; border-top: 1px solid var(--line); }
.product-card .price small { color: var(--muted); display: block; font-size: 10px; }
.product-card .price b { font-size: 13px; color: var(--teal); }
.product-card .actions { display: flex; gap: 6px; margin-top: 8px; }

.detail { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items: start; }
.detail-shot { background: #fff; border-radius: 20px; padding: 22px; min-height: 360px; display: grid; place-items: center; border: 1px solid var(--line); }
.detail-shot img { max-height: 320px; object-fit: contain; }
.detail-info h1 { font-size: clamp(30px, 4vw, 48px); }
.detail-meta { display: flex; gap: 10px; flex-wrap: wrap; margin: 12px 0; color: var(--muted); font-size: 12px; }
.price-box { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 16px 0; }
.price-box div { background: var(--panel-2); border: 1px solid var(--line); border-radius: 14px; padding: 14px; }
.price-box small { color: var(--muted); display: block; font-size: 11px; }
.price-box b { font-size: 20px; color: var(--teal); }
.spec-table { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; margin-top: 12px; }
.spec-table div { background: var(--panel); padding: 9px 11px; display: flex; justify-content: space-between; gap: 10px; font-size: 12px; }
.spec-table dt { color: var(--muted); }
.spec-table dd { margin: 0; text-align: right; }

.compare-table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: 16px; }
.table-scroll::-webkit-scrollbar { height: 6px; }
.table-scroll::-webkit-scrollbar-thumb { background: rgba(120,190,220,0.25); border-radius: 3px; }
.table-hint { display: none; margin: 10px 0 0; }
.compare-table th, .compare-table td { padding: 12px; border-bottom: 1px solid var(--line); text-align: left; font-size: 13px; vertical-align: top; }
.compare-table th { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; background: rgba(255,255,255,0.03); }
.compare-table td.diff { color: var(--amber); font-weight: 700; }
.compare-head { display: flex; gap: 12px; align-items: center; }
.compare-head img { width: 58px; height: 58px; object-fit: contain; background: #fff; border-radius: 10px; padding: 4px; }

.quote-layout { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 20px; align-items: start; }
.summary { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 20px; position: sticky; top: 100px; }
.summary .line { display: flex; justify-content: space-between; gap: 10px; padding: 8px 0; border-bottom: 1px dashed var(--line); font-size: 13px; }
.summary .line.total { border-bottom: none; font-size: 18px; font-weight: 800; color: var(--teal); padding-top: 14px; }
.timeline { display: grid; gap: 0; margin-top: 16px; }
.timeline .step { display: grid; grid-template-columns: 24px 1fr; gap: 10px; }
.timeline .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--teal); margin: 6px auto 0; box-shadow: 0 0 12px rgba(0,229,195,0.6); }
.timeline .line { width: 2px; height: 38px; background: var(--line); margin: 2px auto; }
.timeline .step:last-child .line { display: none; }
.timeline b { font-size: 13px; }
.timeline span { display: block; color: var(--muted); font-size: 11px; }

.cockpit { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 18px; }
.cockpit-map { position: relative; min-height: 360px; border: 1px solid var(--line); border-radius: 20px; background: radial-gradient(circle at 30% 30%, rgba(0,229,195,0.08), transparent 45%), var(--panel); overflow: hidden; }
.cockpit-map svg { width: 100%; height: 100%; }
.robot-dot { fill: var(--teal); filter: drop-shadow(0 0 8px rgba(0,229,195,0.9)); }
.robot-dot.alert { fill: var(--red); animation: pulse 1.2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }
.alert-feed { display: grid; gap: 10px; }
.alert-item { display: flex; gap: 10px; align-items: flex-start; border: 1px solid var(--line); border-radius: 14px; padding: 12px; background: var(--panel); }
.alert-item .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--red); margin-top: 6px; flex: none; }
.alert-item b { font-size: 13px; }
.alert-item span { display: block; color: var(--muted); font-size: 11px; }
.sla-ring { width: 92px; height: 92px; border-radius: 50%; background: conic-gradient(var(--teal) 0 72%, rgba(255,255,255,0.08) 72% 100%); display: grid; place-items: center; margin: 10px auto; }
.sla-ring div { width: 70px; height: 70px; border-radius: 50%; background: #081525; display: grid; place-items: center; text-align: center; font-size: 11px; color: var(--muted); }
.sla-ring b { display: block; color: var(--text); font-size: 18px; }

.passport { border: 1px solid var(--line-strong); border-radius: 22px; padding: 24px; background: linear-gradient(150deg, rgba(0,229,195,0.1), rgba(74,168,255,0.06), var(--panel)); position: relative; overflow: hidden; }
.passport::after { content: "AIROBO"; position: absolute; right: -16px; bottom: 18px; font-size: 78px; font-weight: 900; color: rgba(255,255,255,0.04); transform: rotate(-12deg); }
.passport-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 18px; }
.passport-grid div { border: 1px solid var(--line); border-radius: 12px; padding: 11px; background: rgba(0,0,0,0.14); }
.passport-grid small { display: block; color: var(--muted); font-size: 10px; }
.passport-grid b { font-size: 13px; }
.compliance-layout { display: grid; grid-template-columns: 330px 1fr; gap: 18px; align-items: start; }
.compliance-layout > * { min-width: 0; }
.compliance-side { position: sticky; top: 90px; min-width: 0; }
.compliance-list { display: flex; flex-direction: column; gap: 6px; margin-top: 12px; max-height: 560px; overflow: auto; min-width: 0; max-width: 100%; }
.compliance-item { display: flex; align-items: center; justify-content: space-between; gap: 10px; width: 100%; text-align: left; padding: 9px 10px; border-radius: 12px; border: 1px solid transparent; background: rgba(255,255,255,0.02); color: var(--text); }
.compliance-item:hover { background: rgba(0,229,195,0.06); }
.compliance-item.on { border-color: rgba(0,229,195,0.4); background: rgba(0,229,195,0.08); }
.compliance-item b { display: block; font-size: 13px; }
.compliance-item small { display: block; color: var(--muted); font-size: 10px; margin-top: 2px; }
.compliance-item .badge { flex: 0 0 auto; }
.passport-head { display: flex; align-items: center; gap: 14px; margin-top: 12px; }
.passport-head img { width: 84px; height: 84px; object-fit: contain; background: #fff; border-radius: 12px; padding: 6px; }
.tier { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 18px; }
.tier div { border: 1px solid var(--line); border-radius: 14px; padding: 14px; background: var(--panel); }
.tier b { display: block; font-size: 13px; margin-bottom: 6px; }
.tier p { color: var(--muted); font-size: 11px; margin: 0; }
.tier .a { color: var(--teal); }
.tier .b { color: var(--amber); }
.tier .c { color: var(--red); }

.network-map { border: 1px solid var(--line); border-radius: 20px; background: var(--panel); min-height: 380px; position: relative; overflow: hidden; }
.network-map svg { width: 100%; height: 100%; }
.hub { fill: var(--teal); filter: drop-shadow(0 0 8px rgba(0,229,195,0.8)); }
.hub-ring { fill: none; stroke: rgba(0,229,195,0.28); stroke-width: 1; }
.hub-label { fill: var(--text); font-size: 11px; font-weight: 700; }

.network-map { position: relative; }
.map-grid { stroke: rgba(120,190,220,0.08); stroke-width: 0.6; }
.map-route {
  fill: none; stroke: rgba(0,229,195,0.38); stroke-width: 1.3;
  stroke-dasharray: 6 8; animation: routeFlow 2.8s linear infinite;
}
@keyframes routeFlow { to { stroke-dashoffset: -42; } }
.map-node { fill: var(--teal); filter: drop-shadow(0 0 7px rgba(0,229,195,0.85)); }
.map-node.cn { fill: var(--blue); filter: drop-shadow(0 0 7px rgba(74,168,255,0.8)); }
.map-node.on { fill: #b7ffee; }
.map-halo {
  fill: none; stroke: rgba(0,229,195,0.28); stroke-width: 1;
  transform-box: fill-box; transform-origin: center;
  animation: haloPulse 3s ease-in-out infinite;
}
.map-halo.on { stroke: rgba(0,229,195,0.8); }
@keyframes haloPulse {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.35); opacity: 0.35; }
}
.hub-link { cursor: pointer; outline: none; }
.hub-hit { fill: transparent; pointer-events: all; }
.hub-link:hover .hub-label, .hub-link:focus .hub-label { fill: var(--teal); }
.hub-label { fill: var(--text); font-size: 13px; font-weight: 700; transition: 0.2s; }
.hub-label.on { fill: var(--teal); }
.map-city { pointer-events: none; }
.map-city-label { fill: var(--text); font-size: 13px; font-weight: 700; }
.map-city-tag { fill: var(--blue); font-size: 8.5px; letter-spacing: 0.16em; }
.map-legend {
  position: absolute; right: 14px; top: 12px; display: flex; gap: 14px;
  font-size: 9px; letter-spacing: 0.1em; color: var(--muted); pointer-events: none;
}
.map-legend i {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  margin-right: 6px; vertical-align: 1px;
}
.map-legend .cn { background: var(--blue); box-shadow: 0 0 8px var(--blue); }
.map-legend .vn { background: var(--teal); box-shadow: 0 0 8px var(--teal); }
.hub-card { display: block; }
.hub-card:hover .card-link { color: var(--text); }
.back-link { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 12px; }
.back-link:hover { color: var(--teal); }
.hub-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 14px; }
.hub-head h1 { font-size: clamp(34px, 4vw, 56px); }
.hub-list { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 10px; }
.hub-list li { display: flex; gap: 10px; align-items: flex-start; color: var(--muted); font-size: 13px; }
.hub-list li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 10px rgba(0,229,195,0.8); margin-top: 7px; flex: none; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.hub-map { max-width: 860px; margin: 16px auto 0; }

.module-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 16px; }
.module { border: 1px solid var(--line); border-radius: 12px; padding: 12px; background: var(--panel); font-size: 12px; }
.module b { display: block; color: var(--teal); margin-bottom: 3px; }

/* ---- closing video ---- */
.closing-video {
  position: relative; overflow: hidden; min-height: 560px;
  display: grid; place-items: center; border-top: 1px solid var(--line);
}
.closing-video-bg {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center 40%; opacity: 0.72;
}
.closing-shade {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(4,10,20,0.92) 0%, rgba(4,10,20,0.28) 42%, rgba(4,10,20,0.86) 100%);
}
.closing-inner {
  position: relative; z-index: 1; width: 100%; max-width: var(--max);
  padding: 88px 24px; display: grid; justify-items: center; text-align: center; gap: 12px;
}
.closing-inner .eyebrow { justify-content: center; }
.closing-inner h2 { font-size: clamp(30px, 3.4vw, 52px); max-width: 900px; }
.closing-inner .lead { max-width: 620px; }
.closing-inner .hero-actions { justify-content: center; margin-top: 12px; }

.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 24px; }
.notice { border-left: 2px solid var(--amber); background: rgba(255,176,32,0.07); padding: 12px 14px; color: var(--muted); font-size: 12px; border-radius: 0 10px 10px 0; }

#site-footer {
  border-top: 1px solid var(--line);
  padding: 22px 24px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 11px;
  max-width: var(--max);
  margin: 0 auto;
}

.fade-in { animation: fadeIn 0.38s ease both; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---- visual polish ---- */
body {
  background-size: 170% 170%, 170% 170%, 100% 100%;
  animation: bgShift 26s ease-in-out infinite alternate;
}
@keyframes bgShift {
  0% { background-position: 0% 0%, 100% 0%, 50% 50%; }
  100% { background-position: 18% 12%, 82% 18%, 50% 50%; }
}

.hero-copy h1 span {
  background: linear-gradient(100deg, #00e5c3 0%, #8dfbe6 38%, #4aa8ff 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 22px rgba(0, 229, 195, 0.22));
}
.hero-panel::before {
  content: ""; position: absolute; width: 340px; height: 340px; right: -90px; top: -90px;
  border-radius: 50%; pointer-events: none;
  background: conic-gradient(from 0deg, transparent 0 52%, rgba(0,229,195,0.20) 68%, rgba(74,168,255,0.18) 82%, transparent 100%);
  animation: slowSpin 16s linear infinite;
}
@keyframes slowSpin { to { transform: rotate(360deg); } }
.map-dot { transform-box: fill-box; transform-origin: center; animation: dotPulse 2.8s ease-in-out infinite; }
.map-dot.amber { animation-delay: 0.7s; }
@keyframes dotPulse { 0%, 100% { transform: scale(1); opacity: 0.9; } 50% { transform: scale(1.55); opacity: 0.45; } }

.btn { position: relative; overflow: hidden; }
.btn::after {
  content: ""; position: absolute; top: 0; left: -70%; width: 45%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,0.38), transparent);
  transform: skewX(-18deg); transition: left 0.55s ease; pointer-events: none;
}
.btn:hover::after { left: 125%; }

.card:hover, .product-card:hover {
  box-shadow: 0 18px 50px rgba(0,0,0,0.32), 0 0 0 1px rgba(0,229,195,0.16) inset, 0 0 34px rgba(0,229,195,0.08);
}
.kpi b { text-shadow: 0 0 26px rgba(0,229,195,0.35); }
.hero-panel .big-stat { text-shadow: 0 0 44px rgba(0,229,195,0.32); }
.nav a.active { box-shadow: 0 0 18px rgba(0,229,195,0.12) inset; }
.product-card .shot { background: radial-gradient(circle at 50% 38%, #ffffff 0%, #f0f8fc 62%, #e1edf5 100%); }

.ticker {
  margin-top: 46px; overflow: hidden;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(0,229,195,0.05), rgba(74,168,255,0.05));
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.ticker-track { display: flex; gap: 34px; width: max-content; padding: 12px 0; animation: tickerMove 34s linear infinite; }
.ticker span { color: var(--muted); font-size: 12px; letter-spacing: 0.08em; white-space: nowrap; }
.ticker span::before { content: "◆"; color: var(--teal); margin-right: 10px; font-size: 8px; vertical-align: 2px; }
@keyframes tickerMove { to { transform: translateX(-50%); } }

.passport::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(115deg, transparent 32%, rgba(255,255,255,0.07) 46%, transparent 60%);
  transform: translateX(-110%);
  animation: passportSheen 7s ease-in-out infinite;
}
@keyframes passportSheen { 0%, 62% { transform: translateX(-110%); } 100% { transform: translateX(110%); } }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---- home tech stage ---- */
.home-page { position: relative; }
.hero-tech { position: relative; overflow: hidden; }
.hero-tech .hero-copy h1 { font-size: clamp(32px, 3.9vw, 56px); }
.hero-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  z-index: 0; opacity: 0.6; pointer-events: none;
}
.hero-tech .hero-copy, .hero-tech .hero-panel { position: relative; z-index: 1; }
.hero-tech::after {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: linear-gradient(180deg, transparent 0%, rgba(0,229,195,0.05) 45%, rgba(0,229,195,0.16) 50%, rgba(0,229,195,0.05) 55%, transparent 100%);
  background-size: 100% 260px; background-repeat: no-repeat;
  animation: scanDown 10s linear infinite; opacity: 0.7;
}
@keyframes scanDown { 0% { background-position: 0 -300px; } 100% { background-position: 0 115%; } }

.hero-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.sys-chip {
  display: inline-flex; align-items: center; gap: 7px; padding: 6px 11px;
  border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,0.035);
  font-size: 11px; color: var(--muted); white-space: nowrap;
}
.sys-chip i {
  width: 6px; height: 6px; border-radius: 50%; background: var(--teal);
  box-shadow: 0 0 10px rgba(0,229,195,0.9); animation: pulse 2.4s infinite;
}
.sys-chip:nth-child(2) i { animation-delay: 0.5s; }
.sys-chip:nth-child(3) i { animation-delay: 1s; }
.sys-chip:nth-child(4) i { animation-delay: 1.5s; }

.panel-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.live-badge {
  display: inline-flex; align-items: center; gap: 6px; padding: 3px 8px;
  border: 1px solid rgba(0,229,195,0.35); border-radius: 999px;
  background: rgba(0,229,195,0.08); color: var(--teal);
  font-size: 10px; letter-spacing: 0.12em; white-space: nowrap;
}
.live-badge i {
  width: 5px; height: 5px; border-radius: 50%; background: var(--teal);
  box-shadow: 0 0 8px var(--teal); animation: pulse 1.6s infinite;
}
.hero-panel .corner {
  position: absolute; width: 16px; height: 16px; z-index: 2; pointer-events: none;
  border: 0 solid rgba(0,229,195,0.5);
}
.corner.tl { top: 10px; left: 10px; border-top-width: 1px; border-left-width: 1px; border-top-left-radius: 6px; }
.corner.tr { top: 10px; right: 10px; border-top-width: 1px; border-right-width: 1px; border-top-right-radius: 6px; }
.corner.bl { bottom: 10px; left: 10px; border-bottom-width: 1px; border-left-width: 1px; border-bottom-left-radius: 6px; }
.corner.br { bottom: 10px; right: 10px; border-bottom-width: 1px; border-right-width: 1px; border-bottom-right-radius: 6px; }

.core-stage { position: relative; height: 206px; margin: 10px 0 4px; display: grid; place-items: center; }
.core-ring { position: absolute; border-radius: 50%; border: 1px solid rgba(0,229,195,0.18); }
.core-ring.r1 { width: 112px; height: 112px; border-style: dashed; border-color: rgba(0,229,195,0.35); animation: slowSpin 18s linear infinite; }
.core-ring.r2 { width: 162px; height: 162px; border-color: rgba(74,168,255,0.2); animation: spinRev 26s linear infinite; }
.core-ring.r3 { width: 204px; height: 204px; border-color: rgba(120,190,220,0.12); }
@keyframes spinRev { to { transform: rotate(-360deg); } }
.core-sweep {
  position: absolute; width: 162px; height: 162px; border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 0 68%, rgba(0,229,195,0.4) 82%, transparent 100%);
  -webkit-mask: radial-gradient(circle, transparent 59%, #000 61%);
  mask: radial-gradient(circle, transparent 59%, #000 61%);
  animation: slowSpin 6.5s linear infinite;
}
.core {
  width: 76px; height: 76px; border-radius: 50%; display: grid; place-items: center;
  font-weight: 900; font-size: 20px; letter-spacing: 0.08em; color: #dffdf7;
  background: radial-gradient(circle at 35% 30%, rgba(0,229,195,0.35), rgba(4,17,28,0.95));
  border: 1px solid rgba(0,229,195,0.55);
  box-shadow: 0 0 46px rgba(0,229,195,0.35), inset 0 0 22px rgba(0,229,195,0.22);
  animation: corePulse 3.4s ease-in-out infinite;
}
@keyframes corePulse {
  0%, 100% { box-shadow: 0 0 34px rgba(0,229,195,0.28), inset 0 0 18px rgba(0,229,195,0.18); }
  50% { box-shadow: 0 0 60px rgba(0,229,195,0.5), inset 0 0 26px rgba(0,229,195,0.3); }
}
.orbit-chip {
  position: absolute; display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 9px; border: 1px solid var(--line); border-radius: 999px;
  background: rgba(5,13,26,0.8); font-size: 10px; color: var(--muted);
  white-space: nowrap; animation: floatChip 6s ease-in-out infinite;
}
.orbit-chip i { width: 4px; height: 4px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 6px var(--teal); }
.orbit-chip.c1 { top: 8px; left: 0; }
.orbit-chip.c2 { right: -4px; top: 46%; animation-delay: 1.4s; }
.orbit-chip.c3 { bottom: 6px; left: 8%; animation-delay: 2.6s; }
@keyframes floatChip { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }

.panel-metric { margin-top: 2px; }
.panel-metric .big-stat { margin-top: 0; font-size: clamp(48px, 6vw, 76px); }
.panel-console {
  display: flex; align-items: center; gap: 8px; margin-top: 14px; padding: 9px 12px;
  border: 1px solid var(--line); border-radius: 10px; background: rgba(0,0,0,0.28);
  font-size: 11px; color: var(--muted); min-height: 36px; overflow: hidden;
}
.panel-console > i {
  width: 6px; height: 6px; border-radius: 50%; background: var(--teal);
  box-shadow: 0 0 10px var(--teal); flex: none; animation: pulse 1.6s infinite;
}
.panel-console .caret { width: 6px; height: 12px; background: var(--teal); flex: none; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.match-demo {
  margin-top: 18px; padding: 18px; position: relative; overflow: hidden;
  border: 1px solid var(--line); border-radius: 22px;
  background: linear-gradient(150deg, rgba(0,229,195,0.06), rgba(74,168,255,0.045) 48%, var(--panel));
  box-shadow: var(--shadow);
}
.match-demo::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(120,190,220,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,190,220,0.06) 1px, transparent 1px);
  background-size: 38px 38px;
  -webkit-mask-image: radial-gradient(circle at 18% 0%, #000, transparent 72%);
  mask-image: radial-gradient(circle at 18% 0%, #000, transparent 72%);
}
.match-tabs { display: flex; flex-wrap: wrap; gap: 8px; position: relative; z-index: 1; }
.match-tab {
  padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line);
  background: rgba(255,255,255,0.03); color: var(--muted); font-size: 12px;
  transition: 0.2s; white-space: nowrap;
}
.match-tab:hover { border-color: var(--line-strong); color: var(--text); }
.match-tab.on {
  background: var(--teal); border-color: transparent; color: #04111c;
  font-weight: 800; box-shadow: 0 0 22px rgba(0,229,195,0.25);
}
.match-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 14px; position: relative; z-index: 1; }
.match-card {
  display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 12px; padding: 12px;
  border: 1px solid var(--line); border-radius: 16px; background: rgba(5,13,26,0.55);
  transition: 0.22s; overflow: hidden;
}
.match-card:hover {
  border-color: var(--line-strong); transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(0,0,0,0.32), 0 0 26px rgba(0,229,195,0.08);
}
.match-shot {
  height: 92px; border-radius: 12px; padding: 6px; display: grid; place-items: center;
  background: radial-gradient(circle at 50% 35%, #ffffff, #e6f2fa);
}
.match-shot img { max-height: 80px; width: 100%; object-fit: contain; }
.match-body { min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.match-top { display: flex; align-items: baseline; justify-content: space-between; gap: 6px; }
.match-top b { font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.match-score { color: var(--teal); font-size: 9px; font-weight: 800; white-space: nowrap; }
.match-bar { height: 4px; border-radius: 999px; background: rgba(255,255,255,0.08); overflow: hidden; margin: 6px 0 4px; }
.match-bar i {
  display: block; height: 100%; border-radius: 999px;
  background: linear-gradient(90deg, var(--teal), var(--blue));
  box-shadow: 0 0 10px rgba(0,229,195,0.6); animation: grow 0.9s ease both;
}
.match-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 2px; }
.match-body .card-link { margin-top: auto; font-size: 11px; }

@media (prefers-reduced-motion: reduce) {
  body, .hero-panel::before, .map-dot, .passport::before, .ticker-track { animation: none !important; }
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .btn::after { display: none; }
  .hero-tech::after, .hero-canvas, .core-ring, .core-sweep, .core, .orbit-chip,
  .sys-chip i, .live-badge i, .panel-console > i, .panel-console .caret, .match-bar i,
  .map-halo, .map-route { animation: none !important; }
  .closing-video-bg { display: none; }
  .closing-video { background: url("video/robot-poster.jpg") center / cover no-repeat; }
}

html[lang="vi"] .hero-copy h1,
html[lang="ms"] .hero-copy h1 { font-size: clamp(34px, 4.4vw, 58px); }

@media (max-width: 1240px) {
  .header-inner { padding: 10px 16px; gap: 10px; }
  .header-cta { margin-left: auto; }
  .menu-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 38px; height: 38px; border-radius: 12px; flex: none;
    border: 1px solid var(--line); background: rgba(255,255,255,0.05);
    color: var(--text); font-size: 18px; line-height: 1;
  }
  .nav { display: none; }
  .nav.open {
    display: flex; flex-direction: column; gap: 4px;
    position: absolute; left: 0; right: 0; top: 100%;
    padding: 12px 16px 18px;
    background: #050d1a;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 50px rgba(0,0,0,0.45);
    z-index: 60;
    -webkit-mask-image: none; mask-image: none;
  }
  .nav.open a { padding: 12px 14px; font-size: 14px; border-radius: 12px; }
  .nav.open a.active { background: rgba(0,229,195,0.1); }
}

@media (max-width: 1080px) {
  .hero, .candidate, .detail, .quote-layout, .cockpit, .contact-grid, .compliance-layout { grid-template-columns: 1fr; }
  .compliance-side { position: static; }
  .compliance-list { max-height: none; }
  .summary { position: static; }
  .grid-5, .product-grid { grid-template-columns: repeat(3, 1fr); }
  .module-list { grid-template-columns: repeat(2, 1fr); }
  .hero-panel { min-height: 360px; }
}
@media (min-width: 1600px) {
  .header-inner { padding: 16px 32px; gap: 28px; }
  .brand-logo { height: 30px; }
  .nav a { font-size: 13px; padding: 9px 12px; }
  .page { padding: 48px 32px 96px; }
  .hero { grid-template-columns: 1.08fr 0.92fr; gap: 42px; }
  .hero-tech .hero-copy h1 { font-size: clamp(52px, 3.4vw, 76px); }
  html[lang="vi"] .hero-copy h1,
  html[lang="ms"] .hero-copy h1 { font-size: clamp(46px, 3.1vw, 68px); }
  .lead { font-size: 17px; max-width: 780px; }
  h2 { font-size: clamp(32px, 2.3vw, 46px); }
  .hero-panel { min-height: 500px; padding: 30px; }
  .core-stage { height: 244px; }
  .core-ring.r1 { width: 132px; height: 132px; }
  .core-ring.r2 { width: 190px; height: 190px; }
  .core-ring.r3 { width: 238px; height: 238px; }
  .core-sweep { width: 190px; height: 190px; }
  .core { width: 88px; height: 88px; font-size: 23px; }
  .orbit-chip { font-size: 11px; padding: 6px 11px; }
  .panel-metric .big-stat { font-size: clamp(64px, 4.6vw, 94px); }
  .hero-note { font-size: 14px; }
  .section { margin-top: 72px; }
  .match-demo { padding: 24px; }
  .match-card { grid-template-columns: 120px minmax(0, 1fr); }
  .match-shot { height: 120px; }
  .match-shot img { max-height: 104px; }
  .match-top b { font-size: 16px; }
  .match-score { font-size: 10px; }
  .match-tab { font-size: 13px; padding: 9px 16px; }
  .card { padding: 24px; }
  .kpi b { font-size: 42px; }
  .kpi, .funnel-step { padding: 22px; }
  .product-grid { gap: 18px; }
}

@media (max-width: 900px) {
  .match-grid { grid-template-columns: 1fr; }
  .match-card { grid-template-columns: 120px minmax(0, 1fr); }
  .match-shot { height: 120px; }
  .match-shot img { max-height: 104px; }
}
@media (max-width: 760px) {
  h1 { font-size: clamp(30px, 8vw, 40px); }
  h2 { font-size: clamp(22px, 6vw, 30px); }
  h3 { font-size: 17px; }
  .lead { font-size: 14px; }
  .eyebrow { font-size: 10px; letter-spacing: 0.14em; }
  .eyebrow::before { width: 24px; }

  .brand-logo { height: 24px; }

  .page { padding: 20px 16px 56px; }
  .section { margin-top: 40px; }
  .hero-copy { padding: 12px 0 0; }
  .hero-panel { min-height: 320px; padding: 20px; }
  .hero-panel .big-stat { font-size: 68px; }
  html[lang="vi"] .hero-copy h1,
  html[lang="ms"] .hero-copy h1 { font-size: clamp(28px, 7.4vw, 36px); }
  .map-visual { height: 180px; }
  .hero-actions { margin-top: 20px; }

  .grid-3, .grid-2, .grid-5, .product-grid, .kpi-row, .funnel, .form-grid, .tier, .passport-grid, .module-list { grid-template-columns: 1fr 1fr; }

  .match-grid { grid-template-columns: 1fr; }
  .match-card { grid-template-columns: 88px minmax(0, 1fr); }
  .match-shot { height: 88px; }
  .match-shot img { max-height: 76px; }
  .route-line { grid-template-columns: 1fr; }
  .route-arrow { display: none; }
  .closing-video { min-height: 440px; }
  .closing-inner { padding: 64px 18px; }
  .closing-inner h2 { font-size: clamp(26px, 7vw, 34px); }
  .core-stage { height: 186px; }
  .orbit-chip { font-size: 9px; padding: 4px 8px; }
  .hero-canvas { opacity: 0.5; }

  .product-card .shot { height: 150px; }
  .candidate-card { grid-template-columns: 88px 1fr; }
  .candidate-card img { width: 88px; height: 88px; }
  .detail-shot { min-height: 240px; padding: 16px; }
  .detail-shot img { max-height: 220px; }
  .cockpit-map { min-height: 260px; }
  .network-map { min-height: 0; }
  .passport { padding: 18px; }
  .passport::after { font-size: 54px; }
  .passport-head img { width: 68px; height: 68px; }
  .form-card { padding: 18px; }
  .compare-table { min-width: 720px; }
  .table-hint { display: block; }
  .funnel-step b { font-size: 24px; }
  .compliance-list { flex-direction: row; overflow-x: auto; max-height: none; gap: 8px; padding-bottom: 6px; scrollbar-width: none; width: 100%; }
  .compliance-list::-webkit-scrollbar { display: none; }
  .compliance-item { flex: 0 0 auto; width: auto; min-width: 168px; }
}
@media (max-width: 520px) {
  .grid-3, .grid-2, .product-grid, .funnel, .form-grid, .tier, .passport-grid, .module-list { grid-template-columns: 1fr; }
  .grid-5, .kpi-row { grid-template-columns: 1fr 1fr; }
  .product-card .shot { height: 210px; }
  .price-box { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero-panel .big-stat { font-size: 58px; }
  .card { padding: 16px; }
  .kpi { padding: 14px; }
  .search { min-width: 0; width: 100%; }
  .brand-logo { height: 22px; }
  .header-cta .badge { display: none; }
  .header-cta > .btn:not(.ghost) { display: none; }
  .compare-head img { width: 44px; height: 44px; }
  .compare-table { min-width: 640px; }
  .orbit-chip.c3 { display: none; }
  .closing-video { min-height: 400px; }
  .closing-inner { padding: 56px 16px; }
  .hub-label, .map-city-label { font-size: 20px; }
  .map-city-tag { display: none; }
  .map-disclaimer { font-size: 18px; }
  .map-legend { font-size: 8px; gap: 10px; top: 8px; right: 8px; }
  .hero-chips { gap: 6px; }
  .sys-chip { font-size: 10px; padding: 5px 9px; }
  .match-demo { padding: 14px; }
  .match-tab { font-size: 11px; padding: 7px 11px; }
  #site-footer { flex-direction: column; gap: 6px; padding: 18px 16px; }
}

/* ---- home v2: banner / marquee / alternating scenes ---- */
.vn-hero {
  position: relative; overflow: hidden; display: flex; align-items: flex-end;
  min-height: clamp(600px, 92vh, 980px);
  border-bottom: 1px solid var(--line);
}
.vn-hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 74% 34%, rgba(0,229,195,0.16), transparent 44%),
    radial-gradient(circle at 92% 8%, rgba(74,168,255,0.12), transparent 40%),
    linear-gradient(180deg, #07172b 0%, #050d1a 68%, #040a14 100%);
}
.vn-hero-robot {
  position: absolute; right: 0; bottom: 0; z-index: 2;
  width: min(52%, 760px); height: auto; pointer-events: none;
  filter: drop-shadow(0 40px 90px rgba(0,229,195,0.16)) drop-shadow(0 20px 40px rgba(0,0,0,0.55));
}
.vn-hero-shade {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(4,10,20,0.94) 0%, rgba(4,10,20,0.72) 38%, rgba(4,10,20,0.16) 72%, rgba(4,10,20,0.32) 100%),
    linear-gradient(0deg, rgba(4,10,20,0.96) 0%, rgba(4,10,20,0.24) 48%, rgba(4,10,20,0.12) 100%);
}
.vn-hero-inner {
  position: relative; z-index: 2; width: 100%; max-width: var(--max);
  margin: 0 auto; padding: clamp(88px, 13vh, 160px) 32px clamp(46px, 7vh, 84px);
}
.vn-hero h1 {
  margin: 20px 0 22px; font-size: clamp(48px, 6.6vw, 112px);
  line-height: 0.98; letter-spacing: -0.05em;
}
.vn-hero h1 .line { display: block; }
.vn-hero h1 .grad {
  background: linear-gradient(100deg, #00e5c3 0%, #8dfbe6 40%, #4aa8ff 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 26px rgba(0,229,195,0.18));
}
.vn-hero .lead { max-width: min(680px, 42vw); color: rgba(232,244,255,0.78); font-size: clamp(15px, 1.15vw, 19px); }
.vn-hero .hero-actions { margin-top: 30px; }
.vn-hero-meta {
  display: flex; flex-wrap: wrap; gap: 10px; max-width: 960px;
  margin-top: 32px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,0.14);
}
.vn-hero .sys-chip { background: rgba(4,10,20,0.42); backdrop-filter: blur(8px); }

.vn-marquee {
  padding: 40px 0 52px; overflow: hidden; border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(0,229,195,0.035), transparent 72%);
}
.vn-marquee-head {
  max-width: var(--max); margin: 0 auto 14px; padding: 0 32px;
  display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; flex-wrap: wrap;
}
.vn-marquee-head h2 { margin-top: 6px; font-size: clamp(20px, 1.8vw, 28px); }
.vn-marquee-stage { position: relative; padding: 24px 0; }
.vn-marquee-viewport {
  display: grid; gap: 24px; overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.vn-marquee-track {
  display: flex; align-items: flex-start; gap: 10px; padding-right: 10px;
  width: max-content; will-change: transform;
  animation: vnMarquee 68s linear infinite;
}
.vn-track-a { animation-duration: 64s; animation-delay: -6s; }
.vn-track-b { animation-duration: 94s; animation-delay: -38s; animation-direction: reverse; }
.vn-track-c { animation-duration: 78s; animation-delay: -20s; }
@keyframes vnMarquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.vn-robot { flex: 0 0 auto; width: clamp(96px, 7.2vw, 128px); display: block; }
.vn-track-a .vn-robot { width: clamp(96px, 7.2vw, 128px); }
.vn-track-b .vn-robot { width: clamp(78px, 5.8vw, 104px); }
.vn-track-c .vn-robot { width: clamp(110px, 8.2vw, 146px); }
.vn-robot-shot {
  position: relative; display: block; aspect-ratio: 1 / 1; padding: 5px;
  border-radius: 12px; overflow: hidden; opacity: 0.82;
  background: radial-gradient(circle at 50% 38%, #ffffff 0%, #eef6fb 62%, #dde9f1 100%);
  box-shadow: inset 0 0 0 1px rgba(120, 190, 220, 0.18);
}
.vn-robot-shot::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(4,10,20,0) 48%, rgba(4,10,20,0.34) 100%);
}
.vn-robot-shot img {
  position: absolute; inset: 5px; width: calc(100% - 10px); height: calc(100% - 10px);
  object-fit: contain; filter: saturate(0.82) contrast(0.98);
}
.vn-marquee-badge {
  position: absolute; left: 50%; top: 50%; z-index: 2; cursor: pointer;
  width: auto; height: calc(100% - 48px); aspect-ratio: 1; transform: translate(-50%, -50%);
  display: grid; place-content: center; justify-items: center; gap: 6px; text-align: center;
  border-radius: 50%; border: 1px solid rgba(0,229,195,0.45);
  background: linear-gradient(160deg, #0e3b4a 0%, #071a2b 100%);
  box-shadow: 0 0 60px rgba(0,229,195,0.18), 0 0 120px rgba(0,229,195,0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.vn-marquee-badge::after {
  content: ""; position: absolute; inset: -34px; z-index: -1; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,229,195,0.22) 0%, rgba(0,229,195,0.08) 46%, transparent 70%);
  opacity: 0.75; transition: opacity 0.3s ease, transform 0.3s ease;
}
.vn-marquee-badge:hover {
  transform: translate(-50%, -50%) scale(1.05);
  border-color: rgba(0,229,195,0.8);
  box-shadow: 0 0 80px rgba(0,229,195,0.35), 0 0 160px rgba(0,229,195,0.16);
}
.vn-marquee-badge:hover::after { opacity: 1; transform: scale(1.08); }
.vn-marquee-badge::before {
  content: ""; position: absolute; inset: -16px; border-radius: 50%;
  border: 1px dashed rgba(0,229,195,0.32); animation: slowSpin 26s linear infinite;
}
.vn-badge-kicker { color: var(--teal); font-size: 11px; letter-spacing: 0.28em; }
.vn-marquee-badge strong { color: var(--text); font-size: clamp(64px, 5.2vw, 100px); line-height: 1; letter-spacing: -0.05em; }
.vn-badge-sub { color: var(--muted); font-size: 10px; letter-spacing: 0.18em; }

.vn-home-body { padding-top: clamp(28px, 4vw, 56px); }
.scene-section { margin-top: 0; }
.scene-stack { margin-top: 6px; }
.scene-row {
  position: relative; display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(120px, 0.4fr) minmax(0, 1.25fr);
  align-items: center; gap: clamp(6px, 1vw, 14px);
  padding: clamp(18px, 2.4vw, 36px) 0;
  border-top: 1px solid var(--line);
}
.scene-copy { grid-column: 1; grid-row: 1; max-width: 500px; position: relative; z-index: 4; }
.scene-index { color: var(--teal); font-size: 12px; letter-spacing: 0.2em; }
.scene-copy h3 { margin: 10px 0 12px; font-size: clamp(30px, 3.4vw, 52px); letter-spacing: -0.04em; }
.scene-copy p { margin: 0; color: var(--muted); font-size: clamp(14px, 1.1vw, 17px); line-height: 1.7; }
.scene-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.scene-tags span { padding-bottom: 4px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.scene-link { display: inline-flex; margin-top: 18px; color: var(--teal); font-size: 13px; font-weight: 700; }
.scene-link:hover { color: var(--text); }
.scene-visual {
  grid-column: 3; grid-row: 1;
  position: relative; overflow: hidden; min-height: clamp(320px, 36vw, 560px);
  border-radius: 28px; background: #0a1a2c;
}
.scene-row:nth-child(even) .scene-visual { grid-column: 1; }
.scene-row:nth-child(even) .scene-copy { grid-column: 3; }
.scene-visual img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.01); transition: transform 0.8s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.scene-row:hover .scene-visual img { transform: scale(1.05); }
.scene-visual::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(180deg, rgba(4,10,20,0.02) 0%, rgba(4,10,20,0.16) 62%, rgba(4,10,20,0.5) 100%);
}
.scene-num {
  grid-column: 2; grid-row: 1; z-index: 3;
  align-self: center; justify-self: end; margin-right: -0.30em;
  line-height: 0.72; font-size: clamp(180px, 30vw, 520px); font-weight: 900;
  letter-spacing: -0.04em; color: transparent; white-space: nowrap;
  font-variant-numeric: tabular-nums;
  -webkit-text-stroke: 3px #14586b;
  transform: scaleY(1.2); transform-origin: center;
  pointer-events: none;
}
.scene-row:nth-child(even) .scene-num { justify-self: start; margin-right: 0; margin-left: -0.30em; }

.vn-closing {
  display: grid; justify-items: center; gap: 14px; text-align: center;
  margin: clamp(56px, 8vw, 112px) 0 12px; padding: clamp(48px, 7vw, 96px) clamp(22px, 4vw, 64px);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: radial-gradient(circle at 50% 0%, rgba(0,229,195,0.09), transparent 64%);
}
.vn-closing .eyebrow { justify-content: center; }
.vn-closing-line { margin: 0; color: var(--teal); font-size: clamp(16px, 1.5vw, 22px); letter-spacing: 0.06em; }
.vn-closing h2 { font-size: clamp(34px, 4.4vw, 68px); }
.vn-closing .lead { max-width: 620px; }
.vn-closing .hero-actions { justify-content: center; margin-top: 12px; }

html:not([lang="zh-CN"]) .vn-hero h1 { font-size: clamp(40px, 5.6vw, 92px); }

@media (prefers-reduced-motion: reduce) {
  .vn-marquee-track { animation: none; }
  .vn-marquee-viewport { overflow-x: auto; }
}

@media (max-width: 900px) {
  .scene-row { display: block; padding: 28px 0; }
  .scene-copy { max-width: none; margin-bottom: 18px; }
  .scene-visual { min-height: 300px; }
  .scene-num {
    position: absolute; left: 0; right: auto; bottom: 0; top: auto;
    justify-self: auto; margin: 0; transform: none;
    font-size: clamp(120px, 32vw, 200px);
  }
  .scene-row:nth-child(even) .scene-num { left: 0; right: auto; margin: 0; }
}
@media (max-width: 760px) {
  .vn-hero { min-height: 640px; }
  .vn-hero-inner { padding: 88px 16px 42px; }
  .vn-hero h1 { font-size: clamp(40px, 12vw, 64px); }
  .vn-hero .lead { font-size: 14px; }
  .vn-hero-robot { width: 88%; right: -24%; bottom: -2%; opacity: 0.28; }
  .vn-marquee { padding: 30px 0 38px; }
  .vn-marquee-head { padding: 0 16px; }
  .vn-marquee-stage { padding: 16px 0; }
  .vn-marquee-viewport { gap: 14px; }
  .vn-marquee-track { gap: 8px; padding-right: 8px; }
  .vn-track-a { animation-duration: 44s; }
  .vn-track-b { animation-duration: 62s; }
  .vn-track-c { animation-duration: 52s; }
  .vn-track-a .vn-robot { width: 84px; }
  .vn-track-b .vn-robot { width: 68px; }
  .vn-track-c .vn-robot { width: 96px; }
  .vn-robot-shot { padding: 2px; }
  .vn-marquee-badge { width: 200px; height: 200px; }
  .vn-marquee-badge strong { font-size: 52px; }
  .vn-badge-kicker { font-size: 10px; }
  .vn-badge-sub { font-size: 9px; }
  .vn-closing { padding: 42px 16px; }
  .scene-visual { min-height: 240px; border-radius: 22px; }
  .scene-num { font-size: clamp(120px, 32vw, 180px); }
}