:root {
  color-scheme: dark;
  --bg: #080b0d;
  --panel: rgba(12, 18, 20, 0.78);
  --panel-strong: rgba(15, 23, 26, 0.92);
  --line: rgba(120, 220, 214, 0.25);
  --text: #f5fbfa;
  --muted: #a8b8b5;
  --cyan: #62e8df;
  --green: #96e874;
  --amber: #f5ca63;
  --blue: #5b7cff;
  --ink: #071012;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  letter-spacing: 0;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(90deg, rgba(98, 232, 223, 0.05) 1px, transparent 1px),
    linear-gradient(0deg, rgba(150, 232, 116, 0.04) 1px, transparent 1px),
    linear-gradient(110deg, rgba(8, 11, 13, 0.2), rgba(8, 11, 13, 0.92) 70%),
    repeating-linear-gradient(
      0deg,
      rgba(255, 255, 255, 0.02) 0,
      rgba(255, 255, 255, 0.02) 1px,
      transparent 1px,
      transparent 5px
    );
  background-size: 64px 64px, 64px 64px, auto, auto;
}

a {
  color: inherit;
  text-decoration: none;
}

figure {
  margin: 0;
}

img {
  display: block;
  max-width: 100%;
}

#vision-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.site-shell {
  position: relative;
  z-index: 2;
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 14px 0;
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid rgba(98, 232, 223, 0.55);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(98, 232, 223, 0.18), rgba(245, 202, 99, 0.18)),
    rgba(8, 11, 13, 0.82);
  color: var(--cyan);
  font-size: 0.88rem;
  font-weight: 800;
}

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

.brand strong {
  font-size: 1.05rem;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.78rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: #d9e8e5;
  font-size: 0.94rem;
}

.site-nav a {
  padding: 8px 0;
  border-bottom: 1px solid transparent;
}

.site-nav a:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.hero {
  display: grid;
  grid-template-columns: minmax(320px, 0.82fr) minmax(440px, 1.18fr);
  align-items: center;
  min-height: calc(100vh - 76px);
  padding: 78px 0 92px;
  gap: 42px;
}

.hero-copy {
  max-width: 600px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  font-size: 4.85rem;
  line-height: 1;
}

h2 {
  margin-bottom: 0;
  font-size: 2.35rem;
  line-height: 1.16;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.1rem;
}

.hero-lead {
  max-width: 650px;
  margin-bottom: 34px;
  color: #d6e7e4;
  font-size: 1.22rem;
  line-height: 1.85;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 8px;
  font-weight: 700;
}

.button.primary {
  background: var(--cyan);
  color: var(--ink);
  box-shadow: 0 0 30px rgba(98, 232, 223, 0.24);
}

.button.secondary {
  border: 1px solid rgba(244, 251, 249, 0.26);
  background: rgba(244, 251, 249, 0.06);
}

.button:hover {
  transform: translateY(-1px);
}

.hero-visual {
  position: relative;
  min-height: 470px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 38%, rgba(98, 232, 223, 0.18), transparent 32%),
    linear-gradient(135deg, rgba(91, 124, 255, 0.16), rgba(150, 232, 116, 0.05)),
    var(--panel);
  overflow: hidden;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
}

.hero-visual::before {
  position: absolute;
  inset: 26px;
  content: "";
  border: 1px solid rgba(98, 232, 223, 0.16);
  border-radius: 8px;
  pointer-events: none;
}

.orbit-field {
  position: relative;
  height: 360px;
}

.orbit-ring {
  position: absolute;
  inset: 50%;
  border: 1px solid rgba(98, 232, 223, 0.28);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.ring-one {
  width: 250px;
  height: 250px;
}

.ring-two {
  width: 360px;
  height: 360px;
  border-style: dashed;
}

.ring-three {
  width: 460px;
  height: 210px;
  border-color: rgba(245, 202, 99, 0.26);
}

.core-node,
.orbit-node {
  position: absolute;
  display: grid;
  place-items: center;
  border-radius: 999px;
  font-weight: 800;
}

.core-node {
  top: 50%;
  left: 50%;
  width: 116px;
  height: 116px;
  border: 1px solid rgba(98, 232, 223, 0.58);
  background: rgba(8, 16, 18, 0.88);
  color: var(--cyan);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 42px rgba(98, 232, 223, 0.24);
}

.orbit-node {
  min-width: 86px;
  height: 38px;
  padding: 0 14px;
  border: 1px solid rgba(244, 251, 249, 0.18);
  background: rgba(244, 251, 249, 0.08);
  color: #eefaf8;
  font-size: 0.88rem;
}

.node-a {
  top: 72px;
  left: 50%;
  transform: translateX(-50%);
}

.node-b {
  top: 172px;
  right: 46px;
}

.node-c {
  right: 116px;
  bottom: 38px;
}

.node-d {
  bottom: 48px;
  left: 86px;
}

.node-e {
  top: 164px;
  left: 42px;
}

.graphic-readout {
  position: absolute;
  right: 26px;
  bottom: 26px;
  left: 26px;
  display: grid;
  gap: 8px;
  padding: 20px;
  border: 1px solid rgba(98, 232, 223, 0.22);
  border-radius: 8px;
  background: rgba(8, 13, 15, 0.82);
}

.graphic-readout span {
  color: var(--green);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.graphic-readout strong {
  font-size: 1.25rem;
}

.graphic-readout p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.7;
}

.section {
  padding: 92px 0;
  border-top: 1px solid rgba(120, 220, 214, 0.16);
}

.section-heading {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 32px;
  align-items: end;
  margin-bottom: 32px;
}

.section-copy {
  color: #cfddda;
  font-size: 1.08rem;
  line-height: 2;
}

.profile-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(360px, 1.2fr);
  gap: 28px;
  align-items: start;
}

.profile-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.profile-board div,
.service-card,
.workflow article,
.domain-map,
.license-card {
  border: 1px solid rgba(120, 220, 214, 0.2);
  border-radius: 8px;
  background: var(--panel);
}

.profile-board div {
  min-height: 128px;
  padding: 22px;
}

.profile-board span,
.license-meta span,
.domain-core span {
  display: block;
  margin-bottom: 12px;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.profile-board strong {
  display: block;
  color: #f8fffd;
  line-height: 1.6;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.service-card {
  min-height: 226px;
  padding: 26px;
}

.service-card span,
.workflow span {
  display: inline-block;
  margin-bottom: 34px;
  color: var(--green);
  font-weight: 800;
}

.service-card p,
.workflow p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.8;
}

.workflow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  counter-reset: steps;
}

.workflow article {
  position: relative;
  min-height: 210px;
  padding: 24px;
}

.workflow article:not(:last-child)::after {
  position: absolute;
  top: 50%;
  right: -19px;
  width: 20px;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.domain-map {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  margin-top: 18px;
  padding: 28px;
}

.domain-core {
  display: grid;
  min-height: 180px;
  place-content: center;
  border: 1px solid rgba(245, 202, 99, 0.28);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(245, 202, 99, 0.16), transparent 58%),
    rgba(244, 251, 249, 0.03);
  text-align: center;
}

.domain-core strong {
  font-size: 1.2rem;
}

.domain-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.domain-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid rgba(244, 251, 249, 0.16);
  border-radius: 8px;
  background: rgba(244, 251, 249, 0.06);
  color: #dcebe8;
  font-weight: 700;
}

.license-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.license-card {
  overflow: hidden;
}

.license-preview {
  height: 330px;
  background: #f7f8f7;
  overflow: hidden;
}

.license-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.license-preview-wide img {
  object-fit: contain;
  object-position: center;
  background: #f7f8f7;
}

.license-meta {
  display: grid;
  gap: 8px;
  padding: 22px;
}

.license-meta span {
  margin-bottom: 4px;
}

.license-meta strong {
  color: #f8fffd;
  font-size: 1.08rem;
  line-height: 1.45;
}

.license-meta p {
  margin-bottom: 0;
  color: #d4e5e2;
  line-height: 1.7;
}

.license-meta small {
  color: var(--muted);
  line-height: 1.6;
}

.contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 220px;
  min-height: 58px;
  border: 1px solid rgba(245, 202, 99, 0.5);
  border-radius: 8px;
  background: rgba(245, 202, 99, 0.1);
  color: var(--amber);
  font-weight: 800;
}

.site-footer {
  display: grid;
  gap: 10px;
  padding: 30px 0 42px;
  border-top: 1px solid rgba(120, 220, 214, 0.16);
  color: #9dadab;
  font-size: 0.86rem;
  line-height: 1.8;
}

.site-footer p {
  margin-bottom: 0;
}

.site-footer span {
  margin: 0 8px;
  color: rgba(98, 232, 223, 0.45);
}

@media (max-width: 980px) {
  .site-shell {
    width: min(100% - 28px, 720px);
  }

  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
  }

  .site-nav {
    width: 100%;
    justify-content: space-between;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 4px;
    white-space: nowrap;
  }

  .hero,
  .profile-layout,
  .domain-map {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding: 58px 0 72px;
  }

  .hero-visual {
    min-height: 430px;
  }

  h1 {
    font-size: 3.65rem;
  }

  h2 {
    font-size: 1.9rem;
  }

  .hero-lead {
    font-size: 1.08rem;
  }

  .section {
    padding: 70px 0;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .service-grid,
  .workflow,
  .license-grid {
    grid-template-columns: 1fr;
  }

  .workflow article:not(:last-child)::after {
    top: auto;
    right: 50%;
    bottom: -19px;
    width: 1px;
    height: 20px;
    background: linear-gradient(180deg, var(--cyan), transparent);
  }

  .contact {
    align-items: flex-start;
    flex-direction: column;
  }

  .contact-link {
    width: 100%;
  }
}

@media (max-width: 560px) {
  .site-nav {
    font-size: 0.86rem;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
  }

  h1 {
    font-size: 3rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero-visual {
    min-height: 390px;
  }

  .orbit-field {
    height: 284px;
  }

  .ring-one {
    width: 178px;
    height: 178px;
  }

  .ring-two {
    width: 260px;
    height: 260px;
  }

  .ring-three {
    width: 310px;
    height: 150px;
  }

  .core-node {
    width: 88px;
    height: 88px;
  }

  .orbit-node {
    min-width: 72px;
    height: 32px;
    padding: 0 10px;
    font-size: 0.78rem;
  }

  .node-a {
    top: 44px;
  }

  .node-b {
    top: 134px;
    right: 20px;
  }

  .node-c {
    right: 60px;
    bottom: 22px;
  }

  .node-d {
    bottom: 30px;
    left: 28px;
  }

  .node-e {
    top: 132px;
    left: 16px;
  }

  .graphic-readout {
    right: 18px;
    bottom: 18px;
    left: 18px;
    padding: 16px;
  }

  .profile-board {
    grid-template-columns: 1fr;
  }

  .service-card,
  .workflow article,
  .profile-board div,
  .license-meta {
    padding: 22px;
  }

  .license-preview {
    height: 300px;
  }

  .site-footer span {
    display: none;
  }
}