:root {
  --bg: #08111f;
  --bg-soft: rgba(12, 23, 44, 0.78);
  --panel: rgba(10, 18, 34, 0.82);
  --line: rgba(134, 184, 255, 0.18);
  --text: #eaf2ff;
  --muted: #9fb2d0;
  --accent: #68d7ff;
  --accent-2: #8a7dff;
  --accent-3: #42f3b6;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(104, 215, 255, 0.16), transparent 26%),
    radial-gradient(circle at 85% 20%, rgba(138, 125, 255, 0.18), transparent 24%),
    linear-gradient(180deg, #050a14 0%, #08111f 55%, #060b15 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(120, 160, 220, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 160, 220, 0.08) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.6), transparent 90%);
  pointer-events: none;
}

.bg-glow {
  position: fixed;
  width: 34vw;
  aspect-ratio: 1;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.35;
  pointer-events: none;
}

.bg-glow-a {
  top: 10vh;
  left: -8vw;
  background: rgba(104, 215, 255, 0.45);
}

.bg-glow-b {
  right: -6vw;
  top: 45vh;
  background: rgba(138, 125, 255, 0.35);
}

.topbar,
main,
.footer {
  width: min(1180px, calc(100vw - 40px));
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0;
  position: sticky;
  top: 0;
  backdrop-filter: blur(18px);
  z-index: 20;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: block;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.brand-name {
  font-size: 1.05rem;
  font-weight: 700;
}

.brand-sub,
.eyebrow,
.section-label {
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 10px 18px;
  border: 1px solid rgba(150, 180, 255, 0.15);
  background: rgba(10, 18, 34, 0.55);
  border-radius: 999px;
}

.nav a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
}

.nav a:hover,
.footer span:last-child {
  color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  color: var(--text);
  transition: 0.2s ease;
  white-space: nowrap;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #06101c;
  font-weight: 700;
}

.btn-secondary,
.btn-ghost {
  background: rgba(12, 23, 44, 0.6);
  border-color: rgba(150, 180, 255, 0.18);
}

.hero {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 28px;
  padding: 38px 0 28px;
  align-items: stretch;
}

.hero-copy,
.hero-panel,
.card,
.contact-card,
.timeline-item,
.banner,
.section-split {
  border: 1px solid rgba(150, 180, 255, 0.14);
  background: linear-gradient(180deg, rgba(12, 23, 44, 0.84), rgba(8, 17, 31, 0.9));
  box-shadow: var(--shadow);
}

.hero-copy,
.hero-panel,
.banner,
.section-split {
  border-radius: var(--radius);
  padding: 30px;
}

.hero-copy h1 {
  margin: 10px 0 14px;
  font-size: 2.75rem;
  line-height: 1.04;
  white-space: nowrap;
}

.hero-text {
  color: #cad9f0;
  line-height: 1.8;
  margin: 0 0 24px;
  max-width: 62ch;
  text-wrap: pretty;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.hero-stats div {
  padding: 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(150, 180, 255, 0.12);
}

.hero-stats strong {
  display: block;
  font-size: 1.35rem;
  margin-bottom: 4px;
}

.hero-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.panel-top,
.panel-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  color: var(--muted);
}

.pulse {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-3);
  box-shadow: 0 0 18px rgba(66, 243, 182, 0.8);
  position: relative;
}

.pulse::after {
  content: "";
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 1px solid rgba(66, 243, 182, 0.45);
  animation: pulse 2.2s infinite;
}

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

.panel-grid article,
.card,
.contact-card,
.timeline-item {
  border-radius: 16px;
}

.panel-grid article {
  padding: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(150, 180, 255, 0.12);
}

.panel-grid h3,
.card h3,
.contact-card h3,
.timeline-item h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.panel-grid p,
.card p,
.contact-card p,
.timeline-item p,
.section-split p,
.banner p {
  margin: 0;
  color: #c6d4ea;
  line-height: 1.72;
  overflow-wrap: normal;
  line-break: strict;
  text-wrap: pretty;
}

.card p,
.panel-grid p,
.timeline-item p {
  font-size: 0.92rem;
}

.hero-text,
.panel-grid p,
.card p,
.timeline-item p,
.section-split p {
  text-align: justify;
  text-align-last: left;
}

.hero-text,
.panel-grid p {
  line-break: strict;
  word-break: auto-phrase;
}

.section {
  padding: 18px 0 8px;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.section-head h2,
.section-split h2,
.banner h2 {
  margin: 4px 0 0;
  font-size: clamp(1.4rem, 2vw, 2rem);
}

.section-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items: center;
  margin-top: 8px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.card {
  padding: 22px 18px;
}

.card::before,
.timeline-item::before,
.contact-card::before {
  content: "";
  display: block;
  width: 42px;
  height: 2px;
  margin-bottom: 18px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.timeline-item {
  padding: 22px 18px;
}

.timeline-item span {
  display: inline-flex;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: #07101b;
  background: linear-gradient(135deg, var(--accent-3), var(--accent));
  font-weight: 800;
}

.banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 16px 0 8px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.contact-card {
  padding: 22px;
}

.contact-wechat {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.contact-wechat img {
  width: 114px;
  height: 114px;
  border-radius: 10px;
  background: #fff;
  padding: 8px;
  object-fit: contain;
}

.contact-wechat h3,
.contact-wechat p {
  margin: 0;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0 36px;
  color: var(--muted);
}

@keyframes pulse {
  0% {
    transform: scale(0.65);
    opacity: 0.9;
  }
  100% {
    transform: scale(1.8);
    opacity: 0;
  }
}

@media (max-width: 980px) {
  .topbar {
    flex-wrap: wrap;
    justify-content: center;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: center;
    border-radius: 18px;
    flex-wrap: wrap;
  }

  .hero,
  .section-split,
  .banner,
  .contact-grid,
  .card-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .topbar,
  main,
  .footer {
    width: min(100vw - 24px, 1180px);
  }

  .hero-copy,
  .hero-panel,
  .banner,
  .section-split {
    padding: 22px;
  }

  .hero-copy h1 {
    font-size: 1.25rem;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .section-head,
  .footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav {
    gap: 14px;
  }
}