:root {
  --bg: #050a2b;
  --bg2: #071547;
  --panel: rgba(11, 29, 82, 0.82);
  --panel2: rgba(10, 22, 63, 0.92);
  --line: rgba(81, 172, 255, 0.28);
  --line2: rgba(118, 227, 255, 0.34);
  --text: #f4f8ff;
  --muted: #9eb9da;
  --cyan: #24d9ff;
  --blue: #2388ff;
  --deep: #03071f;
  --shadow: rgba(0, 145, 255, 0.38);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  font-family: "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  background:
    radial-gradient(circle at 50% 0%, rgba(0, 145, 255, 0.22), transparent 32%),
    linear-gradient(180deg, #040821 0%, #07103f 34%, #05091f 100%);
  overflow-x: hidden;
}

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

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

.siteNav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: flex;
  align-items: center;
  height: 66px;
  padding: 0 max(28px, calc((100vw - 1180px) / 2));
  color: #dcebff;
  background: rgba(3, 13, 42, 0.72);
  border-bottom: 1px solid rgba(102, 194, 255, 0.18);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 900;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  box-shadow: 0 0 22px rgba(44, 210, 255, 0.45);
}

.siteNav nav {
  display: flex;
  gap: 32px;
  margin-left: auto;
  font-size: 13px;
  font-weight: 700;
}

.siteNav nav a {
  opacity: 0.86;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.siteNav nav a:hover {
  color: white;
  opacity: 1;
}

.hero {
  position: relative;
  min-height: 760px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 560px);
  align-items: center;
  gap: 46px;
  padding: 116px max(28px, calc((100vw - 1180px) / 2)) 90px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(23, 133, 255, 0.28), transparent 34%),
    radial-gradient(circle at 78% 42%, rgba(36, 217, 255, 0.22), transparent 28%),
    linear-gradient(180deg, #071846 0%, #07123d 56%, #070b28 100%);
}

.gridLayer {
  position: absolute;
  inset: 0;
  opacity: 0.55;
  background-image:
    linear-gradient(rgba(78, 177, 255, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(78, 177, 255, 0.14) 1px, transparent 1px),
    radial-gradient(circle, rgba(137, 229, 255, 0.55) 1px, transparent 2px);
  background-size: 58px 58px, 58px 58px, 90px 90px;
  transform: perspective(800px) rotateX(58deg) translateY(-160px) scale(1.35);
  transform-origin: center top;
}

.heroGlow {
  position: absolute;
  right: -180px;
  top: 100px;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(31, 173, 255, 0.34), transparent 66%);
  filter: blur(10px);
}

.heroCopy,
.aiStage,
.partnerBand,
.business,
.solutions,
.guide,
.news,
.contactBand,
.siteFooter {
  position: relative;
}

.eyebrow,
.sectionKicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #79dcff;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow::before,
.sectionKicker::before {
  content: "";
  width: 28px;
  height: 2px;
  border-radius: 99px;
  background: linear-gradient(90deg, transparent, var(--cyan));
}

.hero h1 {
  max-width: 720px;
  margin-top: 24px;
  font-size: clamp(42px, 5.2vw, 72px);
  line-height: 1.08;
  font-weight: 950;
  letter-spacing: 0;
  text-shadow: 0 0 34px rgba(45, 197, 255, 0.46);
}

.hero p {
  max-width: 580px;
  margin-top: 24px;
  color: #c1d6f4;
  font-size: 17px;
  line-height: 1.9;
}

.heroActions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.primaryAction,
.ghostAction,
.solutionCard a,
.contactBand a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 900;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.primaryAction {
  color: #00112d;
  background: linear-gradient(135deg, #4ee9ff, #1d8cff 62%, #7ad2ff);
  box-shadow: 0 0 34px rgba(35, 153, 255, 0.52);
}

.ghostAction,
.solutionCard a {
  color: #eaf7ff;
  border: 1px solid rgba(131, 219, 255, 0.42);
  background: rgba(255, 255, 255, 0.05);
}

.primaryAction:hover,
.ghostAction:hover,
.solutionCard a:hover,
.contactBand a:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 34px rgba(63, 208, 255, 0.45);
}

.heroStats {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 36px;
}

.heroStats span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 40px;
  padding: 0 14px;
  color: #bed4ef;
  border: 1px solid rgba(99, 194, 255, 0.24);
  border-radius: 999px;
  background: rgba(3, 16, 50, 0.56);
}

.heroStats b {
  color: white;
  font-size: 18px;
}

.aiStage {
  min-height: 470px;
  display: grid;
  place-items: center;
  transform-style: preserve-3d;
}

.aiStage::before {
  content: "";
  position: absolute;
  width: min(56vw, 560px);
  height: min(56vw, 560px);
  border: 1px solid rgba(87, 202, 255, 0.28);
  border-radius: 30%;
  transform: rotate(45deg);
  background:
    linear-gradient(135deg, rgba(36, 217, 255, 0.12), transparent 42%),
    radial-gradient(circle at 40% 40%, rgba(39, 169, 255, 0.26), transparent 46%);
  box-shadow:
    inset 0 0 60px rgba(53, 196, 255, 0.12),
    0 0 80px rgba(33, 157, 255, 0.3);
  animation: floatShape 5.5s ease-in-out infinite;
}

.aiCore {
  position: relative;
  z-index: 2;
  font-size: clamp(96px, 14vw, 190px);
  line-height: 0.9;
  font-weight: 950;
  color: #8cf4ff;
  text-shadow:
    0 8px 0 #0870df,
    0 16px 0 #054b9e,
    0 0 54px rgba(48, 227, 255, 0.8);
  transform: skewX(-8deg);
}

.chip {
  position: absolute;
  z-index: 3;
  padding: 9px 14px;
  color: #d8f8ff;
  border: 1px solid rgba(95, 211, 255, 0.34);
  border-radius: 999px;
  background: rgba(6, 23, 65, 0.78);
  box-shadow: 0 0 24px rgba(31, 161, 255, 0.28);
}

.c1 { left: 8%; top: 20%; }
.c2 { right: 4%; top: 28%; }
.c3 { left: 16%; bottom: 18%; }
.c4 { right: 16%; bottom: 14%; }

.partnerBand {
  min-height: 500px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 86px 24px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 40%, rgba(34, 143, 255, 0.18), transparent 32%),
    linear-gradient(180deg, #070b28 0%, #090b32 100%);
}

.partnerBand h2 {
  margin-top: 22px;
  font-size: clamp(38px, 6vw, 78px);
  line-height: 1.08;
  letter-spacing: 0;
}

.partnerBand p {
  max-width: 720px;
  margin: 22px auto 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.pulseField {
  position: absolute;
  left: -5%;
  right: -5%;
  bottom: 0;
  height: 230px;
  overflow: hidden;
  opacity: 0.78;
  background:
    radial-gradient(ellipse at center, rgba(24, 160, 255, 0.35), transparent 58%),
    repeating-radial-gradient(ellipse at center, rgba(62, 191, 255, 0.5) 0 1px, transparent 2px 13px);
  transform: perspective(680px) rotateX(64deg);
  transform-origin: bottom;
}

.business {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) minmax(320px, 420px);
  gap: 42px;
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
  padding: 120px 28px 80px;
}

.verticalTabs {
  display: grid;
  gap: 12px;
}

.verticalTabs span {
  min-height: 50px;
  display: flex;
  align-items: center;
  padding: 0 20px;
  color: #9bb4d6;
  border-radius: 0 999px 999px 0;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(113, 201, 255, 0.12);
}

.verticalTabs .active {
  color: white;
  background: linear-gradient(90deg, #148dff, #25d6ff);
  box-shadow: 0 0 24px rgba(36, 170, 255, 0.35);
}

.businessCopy h2,
.sectionHead h2,
.guide h2,
.news h2,
.contactBand h2 {
  margin-top: 14px;
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.16;
  letter-spacing: 0;
}

.businessCopy p,
.sectionHead p,
.contactBand p {
  margin-top: 18px;
  color: var(--muted);
  line-height: 1.9;
}

.businessCopy ul {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.businessCopy li {
  color: #d2e4ff;
}

.businessCopy li::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}

.businessVisual {
  min-height: 420px;
  display: grid;
  place-items: center;
}

.ring {
  position: absolute;
  width: 360px;
  height: 360px;
  border: 1px dashed rgba(103, 206, 255, 0.34);
  border-radius: 50%;
  animation: spin 26s linear infinite;
}

.handCard {
  width: 250px;
  height: 250px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: white;
  background:
    radial-gradient(circle at 62% 38%, rgba(109, 248, 255, 0.35), transparent 18%),
    radial-gradient(circle, rgba(32, 171, 255, 0.32), rgba(5, 18, 58, 0.96) 70%);
  border: 1px solid rgba(117, 225, 255, 0.3);
  box-shadow: 0 0 70px rgba(35, 148, 255, 0.4);
  text-align: center;
}

.handCard span {
  width: 74px;
  height: 74px;
  border-radius: 20px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.84), rgba(27, 217, 255, 0.16)),
    linear-gradient(45deg, transparent 46%, #35e0ff 47% 54%, transparent 55%);
  transform: rotate(45deg);
}

.handCard b {
  margin-top: -34px;
  font-size: 18px;
}

.solutions {
  max-width: 1120px;
  margin: 0 auto;
  padding: 84px 28px 92px;
}

.sectionHead {
  text-align: center;
}

.solutionStack {
  display: grid;
  gap: 22px;
  margin-top: 46px;
}

.solutionCard {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 430px);
  gap: 34px;
  align-items: center;
  min-height: 250px;
  padding: 34px;
  border: 1px solid rgba(65, 173, 255, 0.34);
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(17, 44, 111, 0.92), rgba(5, 14, 48, 0.9)),
    radial-gradient(circle at 82% 28%, rgba(36, 217, 255, 0.18), transparent 32%);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.03),
    0 20px 48px rgba(0, 0, 0, 0.24),
    0 0 28px rgba(17, 124, 255, 0.22);
}

.solutionCard span {
  color: #7ca9db;
  font-size: 13px;
  font-weight: 900;
}

.solutionCard h3 {
  margin-top: 12px;
  font-size: 28px;
}

.solutionCard p {
  max-width: 480px;
  margin-top: 14px;
  color: #b5cae8;
  line-height: 1.86;
}

.solutionCard a {
  width: max-content;
  min-height: 36px;
  margin-top: 22px;
  padding: 0 16px;
  font-size: 12px;
}

.cardVisual {
  min-height: 178px;
  border-radius: 16px;
  border: 1px solid rgba(120, 219, 255, 0.2);
  overflow: hidden;
  box-shadow: inset 0 0 44px rgba(61, 200, 255, 0.16);
}

.searchVisual {
  background:
    radial-gradient(circle at 46% 48%, rgba(255, 255, 255, 0.88) 0 10%, transparent 11%),
    radial-gradient(circle at 50% 50%, rgba(83, 224, 255, 0.42) 0 18%, transparent 19%),
    linear-gradient(135deg, #dff8ff, #3dbbff 44%, #0c2f7a);
}

.chatVisual {
  background:
    linear-gradient(135deg, transparent 20%, rgba(255, 255, 255, 0.26) 21% 30%, transparent 31%),
    radial-gradient(circle at 45% 50%, rgba(65, 217, 255, 0.78), transparent 24%),
    linear-gradient(135deg, #034da3, #07245f);
}

.docVisual {
  background:
    linear-gradient(125deg, rgba(255, 255, 255, 0.72) 0 22%, transparent 23%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.36) 0 2px, transparent 2px 18px),
    linear-gradient(135deg, #7ceaff, #1a75ff);
}

.dcmVisual {
  background:
    radial-gradient(circle at 50% 52%, rgba(84, 219, 255, 0.88), transparent 20%),
    radial-gradient(circle at 50% 55%, rgba(35, 137, 255, 0.28), transparent 44%),
    linear-gradient(135deg, #041238, #0a397b);
}

.guide {
  padding: 84px max(28px, calc((100vw - 1180px) / 2));
  background:
    radial-gradient(circle at 20% 20%, rgba(42, 183, 255, 0.12), transparent 30%),
    linear-gradient(180deg, #07103c, #05091f);
}

.guideGrid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 42px;
}

.guideGrid article,
.newsGrid article {
  padding: 28px;
  border: 1px solid rgba(100, 190, 255, 0.24);
  border-radius: 18px;
  background: rgba(7, 24, 67, 0.72);
}

.guideGrid b {
  color: var(--cyan);
  font-size: 28px;
}

.guideGrid h3 {
  margin-top: 16px;
  font-size: 22px;
}

.guideGrid p,
.newsGrid p {
  margin-top: 12px;
  color: var(--muted);
  line-height: 1.8;
}

.news {
  max-width: 1120px;
  margin: 0 auto;
  padding: 92px 28px 120px;
}

.newsGrid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 38px;
}

.newsGrid article {
  min-height: 168px;
}

.newsGrid article.active {
  border-color: rgba(36, 217, 255, 0.65);
  box-shadow: 0 0 42px rgba(36, 163, 255, 0.28);
}

.newsGrid time {
  display: block;
  margin-top: 22px;
  color: #6f89b4;
  font-size: 12px;
}

.contactBand {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) auto;
  gap: 38px;
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
  padding: 92px 28px 120px;
}

.globe {
  width: 230px;
  height: 230px;
  border-radius: 50%;
  background:
    linear-gradient(90deg, transparent 48%, rgba(137, 225, 255, 0.5) 49% 51%, transparent 52%),
    linear-gradient(0deg, transparent 48%, rgba(137, 225, 255, 0.5) 49% 51%, transparent 52%),
    repeating-radial-gradient(circle, rgba(76, 191, 255, 0.5) 0 1px, transparent 2px 18px),
    radial-gradient(circle, rgba(24, 159, 255, 0.28), transparent 64%);
  border: 1px solid rgba(121, 220, 255, 0.34);
  box-shadow: 0 0 62px rgba(36, 164, 255, 0.42);
}

.contactBand .primaryAction {
  white-space: nowrap;
}

.siteFooter {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 92px;
  padding: 0 max(28px, calc((100vw - 1180px) / 2));
  color: #7f98bf;
  border-top: 1px solid rgba(115, 198, 255, 0.14);
  background: #040719;
  font-size: 13px;
}

.siteFooter div {
  display: flex;
  align-items: center;
  gap: 10px;
  color: white;
  font-weight: 900;
}

.siteFooter img {
  width: 34px;
  height: 34px;
  border-radius: 10px;
}

@keyframes floatShape {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(-18px); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@media (max-width: 980px) {
  .siteNav {
    height: auto;
    min-height: 62px;
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px 18px;
  }

  .siteNav nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    gap: 8px;
    font-size: 12px;
  }

  .hero,
  .business,
  .contactBand {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 138px;
  }

  .aiStage {
    min-height: 360px;
  }

  .business {
    padding-top: 80px;
  }

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

  .verticalTabs span {
    justify-content: center;
    border-radius: 999px;
  }

  .solutionCard {
    grid-template-columns: 1fr;
  }

  .guideGrid,
  .newsGrid {
    grid-template-columns: 1fr;
  }

  .contactBand {
    text-align: center;
    justify-items: center;
  }
}

@media (max-width: 620px) {
  .siteNav nav {
    overflow-x: auto;
    justify-content: flex-start;
    padding-bottom: 2px;
  }

  .hero {
    min-height: 720px;
    padding-left: 18px;
    padding-right: 18px;
  }

  .heroStats {
    display: grid;
  }

  .aiStage {
    min-height: 300px;
  }

  .chip {
    font-size: 12px;
    padding: 7px 10px;
  }

  .partnerBand {
    min-height: 420px;
  }

  .business,
  .solutions,
  .guide,
  .news,
  .contactBand {
    padding-left: 18px;
    padding-right: 18px;
  }

  .solutionCard {
    padding: 24px;
  }

  .siteFooter {
    flex-direction: column;
    align-items: flex-start;
    padding-top: 24px;
    padding-bottom: 24px;
  }
}