:root {
  --bg: #ffffff;
  --ink: #081a33;
  --muted: #5e6f85;
  --soft: #f6f9fc;
  --line: #dbe6ef;
  --teal: #008f83;
  --teal-2: #10b3a4;
  --blue: #2563eb;
  --focus: rgba(0, 143, 131, 0.22);
  --shadow: 0 18px 42px rgba(16, 36, 60, 0.12);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 62px;
  display: grid;
  grid-template-columns: 280px 1fr 280px;
  align-items: center;
  padding: 0 8.5vw;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
.brand, .nav, .header-actions, .hero-buttons, .proof-row, .chat-title, .workflow-steps, .case-track, .process-row, .socials {
  display: flex;
  align-items: center;
}
.brand { gap: 13px; font-size: 26px; font-weight: 850; }
.brand-glyph {
  position: relative;
  width: 34px;
  height: 34px;
}
.brand-glyph i {
  position: absolute;
  width: 15px;
  height: 26px;
  background: linear-gradient(135deg, var(--teal), #19c7b2);
  transform: rotate(45deg);
  border-radius: 3px;
}
.brand-glyph i:first-child { left: 2px; top: 0; }
.brand-glyph i:last-child { right: 1px; bottom: 0; background: linear-gradient(135deg, #0d6f7d, var(--teal-2)); }
.nav { justify-content: center; gap: 46px; font-size: 16px; font-weight: 750; }
.nav a { height: 62px; display: grid; place-items: center; border-bottom: 3px solid transparent; }
.nav a.active, .nav a:hover { color: var(--teal); border-color: var(--teal); }
.header-actions { justify-content: flex-end; gap: 16px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 26px;
  border-radius: 8px;
  font-weight: 800;
  white-space: nowrap;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease, background 160ms ease;
}
.btn.outline { border: 1.5px solid var(--teal); color: var(--teal); }
.btn.solid, .hero-primary { color: #fff; background: var(--teal); box-shadow: 0 12px 28px rgba(0, 143, 131, 0.22); }
.btn:hover { transform: translateY(-1px); }
.btn.solid:hover,
.hero-primary:hover { background: #007c72; box-shadow: 0 16px 34px rgba(0, 143, 131, 0.28); }
.btn.outline:hover,
.hero-secondary:hover { border-color: #007c72; color: #007c72; background: #f2fbf9; }

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(560px, 40%) minmax(0, 60%);
  gap: 28px;
  min-height: 458px;
  padding: 34px 8.5vw 14px;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  right: 4vw;
  top: 36px;
  width: 320px;
  height: 320px;
  opacity: 0.28;
  background:
    linear-gradient(120deg, transparent 47%, #91d8d2 48%, #91d8d2 52%, transparent 53%),
    linear-gradient(30deg, transparent 47%, #91d8d2 48%, #91d8d2 52%, transparent 53%);
  background-size: 96px 96px;
  pointer-events: none;
}
.brand-word {
  margin: 18px 0 16px;
  color: var(--teal);
  font-size: 38px;
  line-height: 1;
  font-weight: 850;
}
.hero h1 {
  margin: 0;
  max-width: 650px;
  font-size: clamp(44px, 3.45vw, 58px);
  line-height: 1.09;
  letter-spacing: 0;
  font-weight: 900;
}
.hero-lead {
  max-width: 600px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.65;
}
.hero-buttons { gap: 18px; margin-top: 22px; }
.hero-secondary { color: var(--ink); background: #fff; border: 1px solid #cbd8e4; }
.proof-row { gap: 40px; margin-top: 24px; color: #455a70; font-size: 16px; }
.proof-row span::before {
  content: "◎";
  margin-right: 8px;
  color: var(--teal);
  font-weight: 900;
}

.hero-visual { position: relative; min-height: 440px; z-index: 1; }
.dashboard {
  position: absolute;
  top: 0;
  left: 0;
  width: min(720px, calc(100% - 40px));
  height: 380px;
  display: grid;
  grid-template-columns: 140px 1fr;
  overflow: hidden;
  background: #fff;
  border: 1px solid #d9e4ee;
  border-radius: 13px;
  box-shadow: var(--shadow);
}
.dash-sidebar {
  display: grid;
  align-content: start;
  gap: 4px;
  padding: 14px 12px;
  background: #fbfdff;
  border-right: 1px solid #e3edf5;
  color: #66788d;
  font-size: 12px;
}
.dash-sidebar strong { color: var(--ink); margin-bottom: 8px; }
.mini-logo {
  display: inline-block;
  width: 13px;
  height: 13px;
  margin-right: 7px;
  background: var(--teal);
  border-radius: 3px;
  transform: rotate(45deg);
}
.dash-sidebar span { padding: 6px 9px; border-radius: 7px; }
.dash-sidebar .selected { color: #fff; background: var(--teal); }
.dash-main { padding: 14px 18px; }
.dash-head { display: flex; justify-content: space-between; align-items: center; }
.dash-head h2 { margin: 0; font-size: 20px; }
.dash-tools span {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-left: 10px;
  border: 1px solid #b8c7d6;
  border-radius: 50%;
}
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 9px;
  margin-top: 12px;
}
.kpi-grid div, .line-panel, .donut-panel, .table-panel {
  background: #fff;
  border: 1px solid #e2ebf3;
  border-radius: 9px;
}
.kpi-grid div { padding: 9px 12px; }
.kpi-grid label { display: block; color: #687a8f; font-size: 12px; }
.kpi-grid strong { display: block; margin: 5px 0 2px; font-size: 22px; }
.kpi-grid em, .table-panel em { color: var(--teal); font-style: normal; font-weight: 800; font-size: 12px; }
.chart-row { display: grid; grid-template-columns: 1.55fr 1fr; gap: 10px; margin-top: 10px; }
.line-panel, .donut-panel { min-height: 130px; padding: 10px; }
.line-panel h3, .donut-panel h3 { margin: 0 0 8px; font-size: 14px; }
.line-panel svg { width: 100%; height: 82px; }
.donut-panel { display: grid; grid-template-columns: 110px 1fr; column-gap: 10px; align-items: center; }
.donut-panel h3 { grid-column: 1 / -1; }
.donut {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: conic-gradient(var(--blue) 0 48%, var(--teal) 48% 78%, #89d7ff 78% 100%);
  position: relative;
}
.donut::after {
  content: "";
  position: absolute;
  inset: 19px;
  background: #fff;
  border-radius: 50%;
}
.donut-panel ul { margin: 0; padding-left: 18px; color: #50657a; font-size: 12px; line-height: 1.9; }
.table-panel {
  display: grid;
  grid-template-columns: 1.4fr 1fr 0.8fr 0.8fr;
  gap: 0;
  margin-top: 10px;
  overflow: hidden;
  font-size: 12px;
}
.table-panel span, .table-panel strong, .table-panel em { padding: 6px 10px; border-bottom: 1px solid #e8f0f7; }
.table-panel span { color: #66788d; background: #f8fbfd; }

.chat-card {
  position: absolute;
  right: 34px;
  top: 70px;
  width: 245px;
  min-height: 248px;
  padding: 14px;
  background: #fff;
  border: 1px solid #dce8f1;
  border-radius: 13px;
  box-shadow: var(--shadow);
}
.chat-title { justify-content: space-between; font-size: 13px; }
.chat-title span { color: var(--teal); font-size: 12px; }
.chat-card p {
  margin: 14px 0 10px;
  padding: 10px;
  background: #eef6ff;
  border-radius: 8px;
  color: #456178;
  font-size: 12px;
}
.chat-card ol { margin: 0 0 8px 18px; padding: 0; font-size: 12px; line-height: 1.55; }
.mini-charts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.mini-charts i, .mini-app, .report-thumb, .agent-thumb, .chat-thumb {
  min-height: 45px;
  background:
    linear-gradient(135deg, transparent 58%, rgba(0,143,131,.25) 59%),
    linear-gradient(180deg, #f7fbff, #fff);
  border: 1px solid #e3edf5;
  border-radius: 8px;
}
.input-line { margin-top: 10px; padding: 8px 10px; color: #9aabba; border: 1px solid #e3edf5; border-radius: 8px; font-size: 12px; }
.workflow-card {
  position: absolute;
  right: 0;
  bottom: 4px;
  width: min(500px, calc(100% - 220px));
  padding: 14px;
  background: #fff;
  border: 1px solid #dce8f1;
  border-radius: 12px;
  box-shadow: var(--shadow);
}
.workflow-card strong { display: block; margin-bottom: 10px; font-size: 13px; }
.workflow-steps { gap: 12px; }
.workflow-steps span {
  flex: 1;
  padding: 9px 7px;
  text-align: center;
  color: #41566d;
  border: 1px solid #cad9e7;
  border-radius: 8px;
  font-size: 12px;
  line-height: 1.35;
}
.workflow-steps span:not(:last-child)::after { content: "→"; margin-left: 8px; color: #8ba0b4; }

.capabilities, .products, .cases, .process {
  padding: 13px 7vw 0;
  border-top: 1px solid var(--line);
}
.section-title {
  position: relative;
  width: fit-content;
  margin: 10px auto 14px;
  font-size: 24px;
  line-height: 1;
}
.section-title::before, .section-title::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 64px;
  height: 1px;
  background: #bfd1e0;
}
.section-title::before { right: calc(100% + 22px); }
.section-title::after { left: calc(100% + 22px); }
.capability-grid { display: grid; grid-template-columns: 1fr 0.95fr 1.08fr; gap: 16px; }
.capability-card {
  display: grid;
  grid-template-columns: minmax(140px, 38%) minmax(0, 1fr);
  min-height: 170px;
  padding: 18px;
  background: #fff;
  border: 1px solid #dfe9f2;
  border-radius: 10px;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}
.capability-card:hover {
  transform: translateY(-2px);
  border-color: #c4d7e8;
  box-shadow: 0 14px 36px rgba(16, 36, 60, 0.08);
}
.capability-card.center-card { grid-template-columns: minmax(130px, 38%) minmax(0, 1fr); }
.capability-card.app-card { grid-template-columns: minmax(0, 1fr) minmax(150px, 38%); }
.capability-card h3, .case-card h3 { margin: 0 0 8px; font-size: 20px; }
.capability-card p { margin: 0 0 8px; color: #4d6178; line-height: 1.5; }
.capability-card ul { margin: 0; padding-left: 18px; line-height: 1.65; }
.laptop {
  width: min(168px, 100%);
  height: 96px;
  margin: 24px auto 0;
  background:
    linear-gradient(90deg, transparent 12%, #2d72d9 13% 22%, transparent 23%),
    linear-gradient(90deg, transparent 26%, #5bc7ea 27% 48%, transparent 49%),
    linear-gradient(90deg, transparent 53%, #0fb49c 54% 74%, transparent 75%),
    #f7fbff;
  border: 8px solid #1b2a3d;
  border-bottom-width: 18px;
  border-radius: 8px;
  box-shadow: 0 12px 20px rgba(18, 40, 70, .12);
}
.agent-hub {
  position: relative;
  width: min(154px, 100%);
  height: 135px;
  margin: 2px auto;
}
.agent-hub span {
  position: absolute;
  left: 50%;
  top: 50%;
  display: grid;
  place-items: center;
  width: 62px;
  height: 62px;
  transform: translate(-50%, -50%);
  background: #e8fbf7;
  border: 1px solid #b6e8df;
  border-radius: 50%;
  color: var(--teal);
  font-weight: 900;
}
.agent-hub i {
  position: absolute;
  width: 34px;
  height: 34px;
  border: 1px solid #c8dcec;
  border-radius: 8px;
  background: #fff;
}
.agent-hub i:nth-child(2) { left: 4px; top: 64px; }
.agent-hub i:nth-child(3) { left: 73px; top: 0; }
.agent-hub i:nth-child(4) { right: 4px; top: 64px; }
.agent-hub i:nth-child(5) { left: 28px; bottom: 5px; }
.agent-hub i:nth-child(6) { right: 28px; bottom: 5px; }
.mini-app {
  width: min(180px, 100%);
  height: 110px;
  align-self: center;
  background:
    linear-gradient(90deg, #0f2f66 0 22%, transparent 22%),
    linear-gradient(180deg, #f8fbff, #fff);
}

.products {
  background: linear-gradient(180deg, #ffffff 0%, #f8fbfd 100%);
  padding-bottom: 18px;
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.product-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 230px;
  gap: 22px;
  min-height: 230px;
  padding: 24px;
  background: #fff;
  border: 1px solid #dfe9f2;
  border-radius: 12px;
  box-shadow: 0 12px 34px rgba(16, 36, 60, 0.06);
}
.product-kicker {
  display: block;
  margin-bottom: 10px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
}
.product-card h3 {
  margin: 0 0 10px;
  font-size: 28px;
  line-height: 1.15;
}
.product-card p {
  margin: 0 0 14px;
  color: #4d6178;
  line-height: 1.7;
}
.product-card ul {
  margin: 0;
  padding-left: 18px;
  color: #12243b;
  line-height: 1.8;
}
.product-preview {
  align-self: stretch;
  min-height: 170px;
  border: 1px solid #d7e6f0;
  border-radius: 10px;
  background:
    linear-gradient(135deg, transparent 60%, rgba(0, 143, 131, 0.18) 61%),
    linear-gradient(180deg, #f7fbff, #fff);
  position: relative;
  overflow: hidden;
}
.product-preview::before,
.product-preview::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  height: 10px;
  border-radius: 5px;
  background: #dce9f3;
}
.product-preview::before { top: 24px; }
.product-preview::after { top: 46px; width: 58%; right: auto; }
.agent-preview {
  background:
    radial-gradient(circle at 50% 52%, rgba(0, 143, 131, 0.2) 0 28px, transparent 29px),
    linear-gradient(90deg, transparent 0 44%, #0f2f66 44% 56%, transparent 56%),
    linear-gradient(180deg, #f7fbff, #fff);
}
.report-preview {
  background:
    linear-gradient(90deg, transparent 10%, #2d72d9 10% 20%, transparent 20% 28%, #5bc7ea 28% 46%, transparent 46% 54%, #0fb49c 54% 74%, transparent 74%),
    linear-gradient(180deg, #f7fbff, #fff);
}

.cases { padding-top: 10px; }
.case-gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  padding-bottom: 18px;
}
.shot-card {
  min-height: 238px;
  padding: 14px;
  background: #fff;
  border: 1px solid #dfe9f2;
  border-radius: 12px;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}
.shot-card:hover {
  transform: translateY(-2px);
  border-color: #c4d7e8;
  box-shadow: 0 14px 34px rgba(16, 36, 60, 0.08);
}
.large-shot {
  grid-column: span 2;
}
.shot-frame {
  min-height: 136px;
  margin-bottom: 12px;
  border: 1px dashed #bfd1e0;
  border-radius: 10px;
  background:
    linear-gradient(135deg, transparent 58%, rgba(0, 143, 131, 0.22) 59%),
    linear-gradient(180deg, #f8fbff, #ffffff);
  position: relative;
  overflow: hidden;
}
.large-shot .shot-frame {
  min-height: 182px;
}
.shot-frame::before {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  top: 18px;
  height: 14px;
  border-radius: 7px;
  background: #dce9f3;
}
.shot-frame::after {
  content: "";
  position: absolute;
  left: 16px;
  bottom: 18px;
  width: 48%;
  height: 42px;
  border-radius: 8px;
  background: rgba(0, 143, 131, 0.16);
}
.chat-shot::after {
  left: auto;
  right: 16px;
  width: 56%;
}
.agent-shot {
  background:
    radial-gradient(circle at 50% 55%, rgba(0, 143, 131, 0.18) 0 26px, transparent 27px),
    linear-gradient(180deg, #f8fbff, #ffffff);
}
.shot-card h3 {
  margin: 0 0 6px;
  font-size: 17px;
}
.shot-card p {
  margin: 0;
  color: #53677c;
  line-height: 1.5;
}
.case-track { justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); padding-bottom: 14px; }
.case-card { display: grid; grid-template-columns: 130px 34px 1fr; gap: 12px; align-items: center; flex: 1; }
.case-card h3 { text-wrap: balance; }
.case-thumb { height: 72px; }
.case-no {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  color: #fff;
  background: var(--teal);
  border-radius: 50%;
  font-weight: 850;
}
.case-card p { margin: 0 0 8px; color: #53677c; line-height: 1.45; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags span { padding: 4px 10px; background: #eef4f8; border-radius: 6px; color: #51667a; font-size: 12px; }

.process { padding-bottom: 4px; }
.process-row { gap: 20px; }
.process-row article {
  position: relative;
  flex: 1;
  min-height: 72px;
  padding: 14px 16px 14px 64px;
  border: 1px solid #dfe9f2;
  border-radius: 10px;
  background: #fff;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}
.process-row article:hover {
  transform: translateY(-1px);
  border-color: #c6d8e8;
  background: #fbfdff;
}
.process-row article:not(:last-child)::after {
  content: "›";
  position: absolute;
  right: -20px;
  top: 22px;
  color: #9aabba;
  font-size: 32px;
}
.process-row span { position: absolute; left: 34px; top: 16px; color: var(--teal); font-weight: 900; }
.process-row strong { display: block; margin-bottom: 5px; }
.process-row p { margin: 0; color: #607288; line-height: 1.45; }

.site-footer {
  position: relative;
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr 1.35fr 116px;
  gap: 48px;
  padding: 13px 8.5vw 24px;
  border-top: 1px solid var(--line);
}
.site-footer h2 { margin: 0 0 6px; font-size: 28px; }
.site-footer h3 { margin: 0 0 10px; font-size: 17px; }
.site-footer p, .site-footer li { color: #43586f; line-height: 1.5; }
.site-footer ul { margin: 0; padding-left: 18px; }
.socials { gap: 20px; margin-top: 18px; }
.socials span {
  width: 24px;
  height: 24px;
  background: var(--ink);
  border-radius: 5px;
}
.qr-box {
  text-align: center;
  color: #20354d;
  font-size: 13px;
}
.qr-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  width: 92px;
  height: 92px;
  margin: 0 auto 8px;
  padding: 9px;
  border: 1px solid #cad8e5;
  border-radius: 8px;
}
.qr-grid i { background: #071a33; }
.qr-grid i:nth-child(even) { background: #fff; border: 3px solid #071a33; }
.copyright {
  position: absolute;
  left: 50%;
  bottom: 8px;
  transform: translateX(-50%);
  margin: 0;
  font-size: 13px;
}

@media (max-width: 1200px) {
  .site-header { grid-template-columns: 220px 1fr; padding: 0 32px; }
  .header-actions { display: none; }
  .hero { grid-template-columns: 1fr; padding: 36px 32px; }
  .hero-visual { min-height: 520px; }
  .dashboard { width: min(760px, 100%); }
  .chat-card { right: 24px; }
  .capability-grid, .product-grid, .case-track, .process-row, .site-footer { display: grid; grid-template-columns: 1fr; }
  .case-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .large-shot { grid-column: span 1; }
  .product-card { grid-template-columns: minmax(0, 1fr) 220px; }
  .process-row article:not(:last-child)::after { display: none; }
}

@media (max-width: 700px) {
  .site-header { height: 60px; display: flex; justify-content: space-between; padding: 0 16px; }
  .brand { font-size: 18px; }
  .nav { display: none; }
  .hero { padding: 24px 16px; }
  .brand-word { font-size: 28px; margin-top: 12px; }
  .hero h1 { font-size: 40px; }
  .hero-lead { font-size: 16px; }
  .proof-row, .hero-buttons { align-items: flex-start; flex-direction: column; gap: 12px; }
  .hero-visual { min-height: auto; }
  .dashboard, .chat-card, .workflow-card { position: static; width: 100%; margin-top: 16px; }
  .dashboard { height: auto; grid-template-columns: 1fr; }
  .dash-sidebar { display: none; }
  .kpi-grid, .chart-row, .donut-panel, .table-panel { grid-template-columns: 1fr; }
  .capabilities, .products, .cases, .process { padding: 18px 16px 0; }
  .capability-card, .case-card, .product-card { grid-template-columns: 1fr; }
  .case-gallery { grid-template-columns: 1fr; }
  .laptop, .mini-app { width: 100%; }
  .section-title::before, .section-title::after { display: none; }
  .site-footer { padding: 24px 16px 40px; gap: 18px; }
  .copyright { position: static; transform: none; }
}