:root {
  --bg: #08111c;
  --text: #eaf2fb;
  --muted: #9fb1c8;
  --dark: #132033;
  --ink: #0c1827;
  --line: rgba(160, 190, 220, 0.22);
  --cyan: #20d5d2;
  --blue: #2f80ed;
  --white: #ffffff;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: #f7fafc;
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 74px;
  padding: 14px clamp(20px, 5vw, 72px);
  color: var(--text);
  background: rgba(8, 17, 28, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 180px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(32, 213, 210, 0.55);
  border-radius: 8px;
  color: var(--cyan);
  background: rgba(32, 213, 210, 0.1);
  font-weight: 800;
}
.brand strong, .brand small { display: block; }
.brand strong { font-size: 18px; letter-spacing: 0; }
.brand small { color: var(--muted); font-size: 12px; }
.nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; justify-content: flex-end; }
.nav a {
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 14px;
}
.nav a:hover, .nav a.active { color: var(--white); background: rgba(255, 255, 255, 0.08); }
.hero {
  position: relative;
  min-height: calc(100vh - 74px);
  overflow: hidden;
  color: var(--text);
  background: #07101a;
  display: grid;
  align-items: center;
  padding: clamp(72px, 10vw, 116px) clamp(20px, 5vw, 72px);
}
#powerCanvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 16, 26, 0.86) 0%, rgba(7, 16, 26, 0.62) 54%, rgba(7, 16, 26, 0.2) 100%),
    radial-gradient(circle at 80% 22%, rgba(32, 213, 210, 0.15), transparent 30%);
  pointer-events: none;
}
.hero-content, .hero-panel { position: relative; z-index: 1; }
.hero-content { max-width: 760px; }
.eyebrow {
  margin: 0 0 12px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
.hero h1 { margin-bottom: 18px; font-size: clamp(56px, 10vw, 112px); line-height: 0.98; letter-spacing: 0; }
.hero-lead { max-width: 650px; color: #d5e2ef; font-size: clamp(18px, 2.2vw, 24px); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
}
.button.primary { color: #02131d; background: var(--cyan); }
.button.secondary { color: var(--text); border-color: rgba(255, 255, 255, 0.28); background: rgba(255, 255, 255, 0.06); }
.hero-panel {
  position: absolute;
  right: clamp(20px, 5vw, 72px);
  bottom: 34px;
  width: min(320px, calc(100% - 40px));
  padding: 20px;
  border: 1px solid rgba(32, 213, 210, 0.34);
  border-radius: 8px;
  background: rgba(9, 24, 38, 0.74);
  backdrop-filter: blur(14px);
}
.hero-panel span, .hero-panel small { color: var(--muted); }
.hero-panel strong { display: block; color: var(--white); font-size: 42px; line-height: 1.1; }
.section { padding: clamp(56px, 8vw, 96px) clamp(20px, 5vw, 72px); }
.section-heading { max-width: 760px; margin-bottom: 34px; }
.section h2, .page-hero h1, .cta h2 {
  color: var(--ink);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.16;
  letter-spacing: 0;
}
.service-grid, .news-grid, .jobs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.service-card, .news-card, .jobs article, .contact-card, .contact-form, .qr-card {
  border: 1px solid #dbe6f0;
  border-radius: 8px;
  background: var(--white);
}
.service-card, .news-card, .jobs article { padding: 24px; }
.service-card h3, .news-card h3, .jobs h3 { color: var(--dark); font-size: 21px; }
.service-card p, .news-card span, .jobs p, .body-large, .page-hero p, .contact-card dd, .qr-card p { color: #506176; }
.icon { display: inline-block; margin-bottom: 20px; color: var(--blue); font-weight: 800; }
.band { background: #eaf2f8; }
.split, .about-layout, .contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
}
.scenario-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.scenario-list span { padding: 18px; border-left: 3px solid var(--cyan); background: var(--white); color: var(--dark); font-weight: 700; }
.news-card p { color: var(--blue); font-weight: 800; }
.cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 0 clamp(20px, 5vw, 72px) clamp(56px, 8vw, 96px);
  padding: clamp(32px, 5vw, 56px);
  border-radius: 8px;
  color: var(--text);
  background: #0c1827;
}
.cta h2 { color: var(--white); margin-bottom: 0; }
.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(20px, 5vw, 72px);
  color: #8fa2b8;
  background: #07101a;
  font-size: 14px;
}
.page-hero {
  padding: clamp(72px, 10vw, 122px) clamp(20px, 5vw, 72px) clamp(44px, 7vw, 76px);
  color: var(--text);
  background:
    linear-gradient(120deg, rgba(8, 17, 28, 0.96), rgba(13, 40, 57, 0.92)),
    repeating-linear-gradient(90deg, rgba(32, 213, 210, 0.08) 0 1px, transparent 1px 74px);
}
.page-hero h1 { color: var(--white); margin-bottom: 14px; }
.page-hero p { max-width: 780px; color: #c7d7e8; font-size: 18px; }
.product-list { display: grid; gap: 16px; }
.product-item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 18px;
  padding: 26px;
  border: 1px solid #dbe6f0;
  border-radius: 8px;
  background: var(--white);
}
.product-index { color: var(--cyan); font-size: 26px; font-weight: 800; }
.metrics { display: grid; gap: 14px; }
.metrics div { padding: 24px; border-radius: 8px; color: var(--text); background: var(--dark); }
.metrics strong, .metrics span { display: block; }
.metrics strong { color: var(--cyan); font-size: 34px; }
.contact-layout { grid-template-columns: 1fr 1.15fr 0.7fr; }
.contact-card, .contact-form, .qr-card { padding: 26px; }
.contact-card dl { display: grid; gap: 18px; margin: 0; }
.contact-card dt { color: var(--blue); font-weight: 800; }
.contact-card dd { margin: 4px 0 0; }
.contact-form { display: grid; gap: 16px; }
.contact-form label, .contact-form span { display: grid; gap: 7px; }
.contact-form span { color: var(--dark); font-weight: 700; }
input, textarea { width: 100%; border: 1px solid #cfdce8; border-radius: 6px; padding: 12px 13px; font: inherit; }
textarea { resize: vertical; }
.qr-card { text-align: center; }
.qr-placeholder {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  width: 180px;
  height: 180px;
  margin: 0 auto 18px;
  padding: 22px;
  border: 10px solid #0c1827;
  background: #fff;
}
.qr-placeholder::after { content: ""; position: absolute; inset: 68px; background: var(--cyan); }
.qr-placeholder span { background: #0c1827; }
@media (max-width: 900px) {
  .site-header { position: static; align-items: flex-start; flex-direction: column; }
  .nav { justify-content: flex-start; }
  .hero { min-height: 760px; padding-bottom: 190px; }
  .service-grid, .news-grid, .jobs, .split, .about-layout, .contact-layout { grid-template-columns: 1fr; }
  .cta { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 560px) {
  .brand { min-width: 0; }
  .nav a { padding: 7px 9px; }
  .hero h1 { font-size: 54px; }
  .hero-panel { left: 20px; right: 20px; }
  .scenario-list, .product-item { grid-template-columns: 1fr; }
  .site-footer { flex-direction: column; }
}