:root {
  --bg: #05080d;
  --bg-2: #081018;
  --bg-3: #0d1622;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-2: rgba(255, 255, 255, 0.06);
  --line: rgba(148, 197, 214, 0.14);
  --line-strong: rgba(94, 234, 212, 0.35);
  --text: #eef4fb;
  --muted: #8ea0b5;
  --faint: #5e7086;
  --cyan: #5eead4;
  --sky: #7dd3fc;
  --blue: #60a5fa;
  --ink: #061018;
  --white: #f8fafc;
  --danger: #fb7185;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  --container: 1180px;
  --header: 72px;
  --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font-family: inherit; }
ul { list-style: none; }

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(900px 500px at 12% -10%, rgba(94, 234, 212, 0.12), transparent 55%),
    radial-gradient(700px 480px at 92% 8%, rgba(56, 189, 248, 0.1), transparent 50%),
    linear-gradient(rgba(148, 197, 214, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 197, 214, 0.05) 1px, transparent 1px);
  background-size: auto, auto, 64px 64px, 64px 64px;
}
.bg-noise {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.wrap { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.site { position: relative; z-index: 1; }

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  background: rgba(5, 8, 13, 0.55);
  backdrop-filter: blur(18px);
  transition: border-color .25s, background .25s;
}
.header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(5, 8, 13, 0.88);
}
.header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.brand img { width: 36px; height: 36px; }
.brand span { font-size: 16px; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  padding: 8px 14px;
  color: var(--muted);
  font-size: 14px;
  border-radius: 999px;
  transition: color .2s, background .2s;
}
.nav a:hover, .nav a.is-active {
  color: var(--text);
  background: var(--surface-2);
}
.header-cta { display: flex; align-items: center; gap: 10px; }
.menu-btn {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  border-radius: 10px;
  cursor: pointer;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .2s, border-color .2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, #5eead4, #38bdf8);
  color: var(--ink);
  box-shadow: 0 10px 30px rgba(56, 189, 248, 0.22);
}
.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--line-strong); background: var(--surface); }
.btn-sm { height: 40px; padding: 0 16px; font-size: 13px; }

/* Hero */
.hero {
  position: relative;
  padding: 72px 0 40px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.08em;
  background: rgba(94, 234, 212, 0.06);
  margin-bottom: 22px;
}
.kicker i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}
.hero h1 {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, #5eead4, #7dd3fc);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead {
  color: var(--muted);
  font-size: 17px;
  max-width: 560px;
  margin-bottom: 28px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 36px; }
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  color: var(--faint);
  font-size: 13px;
}
.trust-row strong { color: var(--text); font-weight: 600; display: block; font-size: 14px; }

.hero-panel {
  position: relative;
  padding: 8px;
}
.console {
  border-radius: 24px;
  border: 1px solid var(--line);
  background:
    radial-gradient(420px 180px at 100% 0%, rgba(94, 234, 212, 0.12), transparent 55%),
    linear-gradient(180deg, rgba(13, 22, 34, 0.95), rgba(6, 16, 24, 0.98));
  overflow: hidden;
  box-shadow: var(--shadow);
}
.console-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  color: var(--faint);
  font-size: 12px;
  font-family: var(--mono);
}
.console-dots { display: flex; gap: 6px; }
.console-dots i { width: 8px; height: 8px; border-radius: 50%; background: #334155; display: block; }
.console-dots i:first-child { background: #5eead4; }
.console-body { padding: 8px; display: grid; gap: 8px; }
.console-row {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid transparent;
}
.console-row:hover { border-color: var(--line); }
.console-row .code {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.06em;
}
.console-row strong { display: block; font-size: 14px; }
.console-row span { color: var(--muted); font-size: 12px; }
.console-row .ok { color: var(--cyan); font-size: 12px; }
.console-foot {
  padding: 16px 18px 20px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 12px;
  border-top: 1px solid var(--line);
}
.console-foot b { color: var(--text); display: block; font-size: 18px; letter-spacing: -0.03em; }

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin: 28px auto 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.metric {
  background: var(--bg-2);
  padding: 22px 20px;
}
.metric b {
  display: block;
  font-size: 26px;
  letter-spacing: -0.04em;
  color: var(--white);
}
.metric span { color: var(--muted); font-size: 13px; }

section { padding: 88px 0; }
.sec-head { max-width: 720px; margin-bottom: 40px; }
.sec-head .label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin-bottom: 12px;
  text-transform: uppercase;
}
.sec-head h2 {
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.25;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}
.sec-head p { color: var(--muted); font-size: 16px; }

.situation-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color .2s, transform .2s, background .2s;
}
.card:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
  background: var(--surface-2);
}
.card .idx {
  font-family: var(--mono);
  color: var(--cyan);
  font-size: 12px;
  margin-bottom: 12px;
}
.card h3 { font-size: 18px; line-height: 1.4; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 14px; }
.tag {
  display: inline-flex;
  margin-top: 14px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(94, 234, 212, 0.1);
  color: var(--cyan);
  font-size: 12px;
}

.why {
  background: linear-gradient(180deg, transparent, rgba(13, 22, 34, 0.7));
}
.why-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 20px;
}
.why-main {
  padding: 36px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background:
    radial-gradient(500px 220px at 100% 0%, rgba(94, 234, 212, 0.12), transparent 50%),
    var(--bg-3);
}
.why-main h3 { font-size: 28px; margin: 8px 0 14px; }
.why-side { display: grid; gap: 16px; }
.stat-block b { font-size: 32px; color: var(--cyan); display: block; letter-spacing: -0.04em; }

.deliver-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.deliver-card {
  min-height: 210px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.deliver-card .arrow { color: var(--cyan); font-size: 18px; }

.steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}
.step {
  padding: 20px 18px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--surface);
  min-height: 180px;
}
.step .n {
  font-family: var(--mono);
  color: var(--sky);
  font-size: 12px;
  margin-bottom: 12px;
}
.step h3 { font-size: 16px; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 13px; }
.step .time { margin-top: 12px; color: var(--cyan); font-size: 12px; }

.industries {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.cta-band {
  padding: 28px 0 100px;
}
.cta-box {
  border-radius: 28px;
  padding: 48px;
  border: 1px solid var(--line);
  background:
    radial-gradient(700px 280px at 0% 0%, rgba(94, 234, 212, 0.14), transparent 50%),
    radial-gradient(500px 240px at 100% 100%, rgba(56, 189, 248, 0.12), transparent 50%),
    var(--bg-3);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  align-items: center;
}
.cta-box h2 { font-size: 34px; letter-spacing: -0.03em; margin: 8px 0 12px; }
.contact-list { display: grid; gap: 12px; }
.contact-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 18px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(5, 8, 13, 0.45);
}
.contact-item b { display: block; }
.contact-item span { color: var(--muted); font-size: 13px; }

.page-hero { padding: 64px 0 20px; }
.page-hero h1 {
  font-size: clamp(32px, 4.5vw, 52px);
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 14px;
}
.crumbs { color: var(--faint); font-size: 13px; margin-bottom: 18px; }
.crumbs a:hover { color: var(--cyan); }

.two-col {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 20px;
}
.list {
  display: grid;
  gap: 10px;
}
.list li {
  padding-left: 22px;
  position: relative;
  color: var(--muted);
  font-size: 14px;
}
.list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--cyan);
}

.faq { display: grid; gap: 10px; }
.faq-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  overflow: hidden;
}
.faq-item button {
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  color: var(--text);
  padding: 18px 20px;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.faq-item .a {
  display: none;
  padding: 0 20px 18px;
  color: var(--muted);
  font-size: 14px;
}
.faq-item.open .a { display: block; }
.faq-item .plus { color: var(--cyan); }

.form {
  display: grid;
  gap: 12px;
}
.form label { font-size: 13px; color: var(--muted); }
.form input, .form textarea, .form select {
  width: 100%;
  background: rgba(5, 8, 13, 0.5);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 12px;
  padding: 12px 14px;
  outline: none;
}
.form input:focus, .form textarea:focus, .form select:focus {
  border-color: var(--line-strong);
}
.form textarea { min-height: 120px; resize: vertical; }
.form-note { color: var(--faint); font-size: 12px; }
.toast {
  display: none;
  margin-top: 10px;
  color: var(--cyan);
  font-size: 14px;
}

.pricing {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.price-card.featured {
  border-color: var(--line-strong);
  background: linear-gradient(180deg, rgba(94, 234, 212, 0.08), var(--surface));
}
.price-card h3 { margin-bottom: 8px; }
.price-card .tier { color: var(--cyan); font-size: 13px; margin-bottom: 16px; }

.footer {
  border-top: 1px solid var(--line);
  padding: 48px 0 28px;
  color: var(--muted);
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 24px;
  margin-bottom: 32px;
}
.footer h4 { color: var(--text); margin-bottom: 12px; font-size: 14px; }
.footer a { display: block; padding: 4px 0; color: var(--muted); }
.footer a:hover { color: var(--cyan); }
.legal {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--faint);
  font-size: 12px;
}
.legal a { display: inline; }

.mobile-nav {
  display: none;
  position: fixed;
  inset: var(--header) 16px auto 16px;
  z-index: 60;
  padding: 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(8, 16, 24, 0.96);
  backdrop-filter: blur(16px);
}
.mobile-nav.open { display: grid; gap: 6px; }
.mobile-nav a { padding: 10px 8px; color: var(--text); }

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

@media (max-width: 980px) {
  .nav, .header-cta .phone { display: none; }
  .menu-btn { display: inline-flex; align-items: center; justify-content: center; }
  .hero-grid, .why-grid, .cta-box, .two-col, .footer-grid { grid-template-columns: 1fr; }
  .metrics, .situation-grid, .deliver-grid, .industries, .pricing { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .hero-panel { min-height: auto; }
  .cta-box { padding: 28px; }
}
@media (max-width: 640px) {
  .wrap { width: min(var(--container), calc(100% - 28px)); }
  .metrics, .situation-grid, .deliver-grid, .industries, .pricing, .steps { grid-template-columns: 1fr; }
  .console-row { grid-template-columns: 1fr auto; }
  .console-row .code { display: none; }
  .hero { padding-top: 40px; }
  section { padding: 64px 0; }
}