:root {
  color-scheme: dark;
  --bg: #020713;
  --bg-soft: #071528;
  --panel: rgba(8, 20, 39, 0.76);
  --panel-strong: rgba(9, 23, 45, 0.92);
  --ink: #f6fbff;
  --soft: #c8d8e8;
  --muted: #8fa5bb;
  --line: rgba(116, 171, 255, 0.2);
  --cyan: #37d7ff;
  --blue: #4d7dff;
  --violet: #8d6dff;
  --green: #5cf2c8;
  --dark: #01040b;
  --radius: 8px;
  --shadow: 0 34px 110px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 72% 14%, rgba(55, 215, 255, 0.13), transparent 30rem),
    radial-gradient(circle at 20% 6%, rgba(141, 109, 255, 0.12), transparent 28rem),
    linear-gradient(145deg, #01040b 0%, #071528 48%, #020713 100%);
  color: var(--ink);
  font-family: "Inter", "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(116, 171, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(116, 171, 255, 0.045) 1px, transparent 1px);
  background-size: 74px 74px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 76%);
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: 76px;
  display: grid;
  grid-template-columns: minmax(230px, 1fr) auto minmax(240px, auto);
  align-items: center;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgba(2, 7, 19, 0.82);
  backdrop-filter: blur(20px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(55, 215, 255, 0.52);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(55, 215, 255, 0.18), rgba(141, 109, 255, 0.08));
  box-shadow: 0 0 28px rgba(55, 215, 255, 0.15);
  overflow: hidden;
}

.brand-mark img {
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.brand-text strong,
.brand-text small {
  display: block;
}

.brand-text strong {
  font-size: 18px;
  letter-spacing: 0;
}

.brand-text small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.desktop-nav a,
.mobile-nav a {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  transition: color 160ms ease;
}

.desktop-nav a:hover,
.mobile-nav a:hover {
  color: var(--ink);
}

.header-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
}

button,
.primary-btn,
.secondary-btn,
.header-cta {
  min-height: 42px;
  border-radius: var(--radius);
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.lang-switch {
  height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  border: 1px solid var(--line);
  color: var(--soft);
  background: rgba(255, 255, 255, 0.045);
}

.lang-switch i {
  width: 1px;
  height: 14px;
  background: var(--line);
}

.primary-btn,
.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid rgba(55, 215, 255, 0.68);
  color: #02111a;
  background: linear-gradient(135deg, var(--cyan), #b9f1ff 52%, var(--green));
  box-shadow: 0 18px 42px rgba(55, 215, 255, 0.2);
}

.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.055);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.045);
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}

.mobile-nav {
  display: none;
}

.hero {
  position: relative;
  min-height: calc(100vh - 76px);
  display: grid;
  grid-template-columns: minmax(390px, 0.78fr) minmax(560px, 1.12fr);
  align-items: center;
  gap: clamp(24px, 4vw, 54px);
  padding: clamp(64px, 8vw, 108px) clamp(18px, 4.6vw, 66px) 54px;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 120px;
  pointer-events: none;
  background: linear-gradient(to bottom, transparent, rgba(2, 7, 19, 0.9));
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 24px;
  font-size: clamp(42px, 5.3vw, 76px);
  line-height: 1.04;
  letter-spacing: 0;
}

html[lang="en"] h1 {
  font-size: clamp(42px, 4.7vw, 68px);
  line-height: 1.06;
}

.hero-lead {
  max-width: 680px;
  color: var(--soft);
  font-size: clamp(16px, 1.35vw, 20px);
  line-height: 1.82;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.hero-proof span {
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--soft);
  background: rgba(255, 255, 255, 0.045);
  font-size: 13px;
}

.model-map {
  position: relative;
  z-index: 2;
  min-height: min(650px, 64vw);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 18, 34, 0.68);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.map-bg,
#routeCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.map-bg {
  object-fit: cover;
  opacity: 0.92;
}

#routeCanvas {
  z-index: 2;
}

.hub-node,
.map-node,
.map-caption {
  position: absolute;
  z-index: 3;
}

.hub-node {
  left: 50%;
  top: 47%;
  width: 168px;
  min-height: 138px;
  display: grid;
  justify-items: center;
  align-content: center;
  padding: 16px;
  border: 1px solid rgba(55, 215, 255, 0.72);
  border-radius: var(--radius);
  color: var(--ink);
  text-align: center;
  background: radial-gradient(circle at 50% 10%, rgba(55, 215, 255, 0.2), rgba(7, 18, 34, 0.94));
  box-shadow: 0 0 55px rgba(55, 215, 255, 0.24);
  transform: translate(-50%, -50%);
}

.hub-node img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  margin-bottom: 8px;
}

.hub-node strong {
  font-size: 17px;
}

.hub-node span {
  margin-top: 3px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.map-node {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 0 12px 0 8px;
  border: 1px solid rgba(116, 171, 255, 0.38);
  border-radius: var(--radius);
  color: var(--soft);
  background: rgba(5, 14, 29, 0.8);
  box-shadow: 0 0 22px rgba(55, 215, 255, 0.08);
  transform: translate(-50%, -50%);
  white-space: nowrap;
}

.node-logo {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  flex: 0 0 24px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  color: #02111a;
  background: linear-gradient(135deg, var(--cyan), #d6f8ff);
  box-shadow: 0 0 16px rgba(55, 215, 255, 0.28);
  font-size: 11px;
  font-weight: 900;
  line-height: 1;
}

.logo-chatgpt {
  background: linear-gradient(135deg, #7fffd9, #e9fff8);
}

.logo-gemini {
  background: linear-gradient(135deg, #8d6dff, #e7dcff);
}

.logo-claude {
  background: linear-gradient(135deg, #ffb46e, #fff0d8);
}

.logo-deepseek {
  background: linear-gradient(135deg, #4d7dff, #d8e6ff);
}

.logo-qwen {
  background: linear-gradient(135deg, #37d7ff, #c9f6ff);
}

.logo-llama {
  background: linear-gradient(135deg, #90a7ff, #e5e9ff);
}

.logo-hermes {
  background: linear-gradient(135deg, #f2d36b, #fff8d4);
}

.logo-openclaw {
  background: linear-gradient(135deg, #ff7ad9, #ffe0f6);
}

.enterprise-node {
  border-color: rgba(92, 242, 200, 0.38);
  background: rgba(7, 32, 40, 0.82);
}

.app-logo {
  color: #022016;
  background: linear-gradient(135deg, var(--green), #d4fff2);
  box-shadow: 0 0 16px rgba(92, 242, 200, 0.28);
}

.logo-service {
  background: linear-gradient(135deg, #5cf2c8, #baf7ff);
}

.logo-data {
  background: linear-gradient(135deg, #6bd6ff, #e0f8ff);
}

.logo-dev {
  background: linear-gradient(135deg, #9e86ff, #eee9ff);
}

.logo-knowledge {
  background: linear-gradient(135deg, #b4f56b, #efffd7);
}

.node-chatgpt { left: 18%; top: 31%; }
.node-gemini { left: 35%; top: 19%; }
.node-claude { left: 75%; top: 24%; }
.node-deepseek { left: 77%; top: 45%; }
.node-qwen { left: 67%; top: 56%; }
.node-llama { left: 24%; top: 61%; }
.node-hermes { left: 42%; top: 73%; }
.node-openclaw { left: 84%; top: 70%; }
.node-marketing { left: 18%; top: 76%; }
.node-service { left: 33%; top: 81%; }
.node-data { left: 54%; top: 79%; }
.node-dev { left: 70%; top: 78%; }
.node-knowledge { left: 86%; top: 76%; }

.map-caption {
  left: 18px;
  right: 18px;
  bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(2, 7, 19, 0.72);
  backdrop-filter: blur(14px);
}

.map-caption span {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.map-caption strong {
  color: var(--soft);
  font-size: 14px;
  text-align: right;
}

.orchestration-panel,
.workflow-section,
.agent-section,
.scenario-section,
.advantage-section,
.contact-section {
  max-width: 1440px;
  margin: 0 auto;
  padding: clamp(70px, 8vw, 112px) clamp(18px, 4.6vw, 66px);
}

.orchestration-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.08;
  letter-spacing: 0;
}

.value-grid,
.agent-grid,
.scenario-grid {
  display: grid;
  gap: 14px;
}

.value-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.value-grid article,
.agent-grid article,
.scenario-grid article,
.contact-form,
.advantage-list,
.workflow-rail article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.23);
}

.value-grid article,
.agent-grid article,
.scenario-grid article {
  padding: 22px;
}

.value-grid span {
  display: inline-block;
  margin-bottom: 34px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 900;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.25;
}

article p,
.section-heading p,
.advantage-list p,
.contact-section p {
  color: var(--muted);
  line-height: 1.72;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(300px, 0.55fr);
  gap: 34px;
  align-items: end;
  margin-bottom: 32px;
}

.section-heading.narrow {
  max-width: 920px;
  display: block;
}

.workflow-rail {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}

.workflow-rail article {
  position: relative;
  min-height: 154px;
  display: grid;
  align-content: space-between;
  padding: 18px;
  overflow: hidden;
}

.workflow-rail article::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  top: 50%;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  opacity: 0.5;
}

.workflow-rail strong {
  color: var(--cyan);
  font-size: 13px;
}

.workflow-rail span {
  color: var(--soft);
  font-weight: 800;
  line-height: 1.35;
}

.agent-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.agent-grid article {
  min-height: 178px;
  background:
    linear-gradient(145deg, rgba(55, 215, 255, 0.06), rgba(141, 109, 255, 0.045)),
    var(--panel);
}

.scenario-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.scenario-grid span {
  display: block;
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 900;
}

.advantage-section,
.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 0.62fr);
  gap: 36px;
  align-items: start;
}

.advantage-list {
  display: grid;
  gap: 1px;
  padding: 0;
  overflow: hidden;
  background: var(--line);
}

.advantage-list p {
  margin: 0;
  padding: 18px;
  background: rgba(8, 20, 39, 0.92);
}

.domain-link {
  display: inline-block;
  margin-top: 8px;
  color: var(--cyan);
  font-weight: 900;
  text-decoration: none;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 22px;
  background: var(--panel-strong);
}

label span {
  display: block;
  margin-bottom: 8px;
  color: var(--soft);
  font-size: 14px;
  font-weight: 800;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.055);
  outline: none;
}

input {
  height: 44px;
  padding: 0 12px;
}

textarea {
  min-height: 132px;
  resize: vertical;
  padding: 12px;
  line-height: 1.6;
}

input:focus,
textarea:focus {
  border-color: rgba(55, 215, 255, 0.7);
  box-shadow: 0 0 0 3px rgba(55, 215, 255, 0.12);
}

.form-result {
  min-height: 24px;
  margin: 0;
  color: var(--green);
  line-height: 1.55;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(18px, 4.6vw, 66px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 1180px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .desktop-nav,
  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: inline-block;
  }

  .mobile-nav {
    position: fixed;
    left: 14px;
    right: 14px;
    top: 84px;
    z-index: 45;
    display: none;
    grid-template-columns: 1fr;
    gap: 1px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--line);
  }

  .mobile-nav.is-open {
    display: grid;
  }

  .mobile-nav a {
    padding: 15px 18px;
    background: rgba(7, 18, 34, 0.98);
  }

  .hero,
  .orchestration-panel,
  .section-heading,
  .advantage-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .model-map {
    min-height: 620px;
  }

  .workflow-rail,
  .scenario-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .site-header {
    min-height: 68px;
    padding: 12px 14px;
  }

  .brand-text strong {
    font-size: 16px;
  }

  .hero {
    min-height: auto;
    padding: 48px 14px 42px;
  }

  .hero-actions,
  .site-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .primary-btn,
  .secondary-btn {
    width: 100%;
  }

  .model-map {
    min-height: 640px;
  }

  .map-caption {
    display: grid;
    text-align: left;
  }

  .map-caption strong {
    text-align: left;
  }

  .map-node {
    min-height: 32px;
    padding: 0 8px 0 6px;
    font-size: 12px;
  }

  .node-logo {
    width: 20px;
    height: 20px;
    flex-basis: 20px;
    font-size: 9px;
  }

  .hub-node {
    width: 142px;
    min-height: 124px;
  }

  .value-grid,
  .workflow-rail,
  .agent-grid,
  .scenario-grid {
    grid-template-columns: 1fr;
  }

  .orchestration-panel,
  .workflow-section,
  .agent-section,
  .scenario-section,
  .advantage-section,
  .contact-section {
    padding: 62px 14px;
  }
}