:root {
  --night: #0a0a0c;
  --panel: rgba(14, 18, 17, .78);
  --panel-strong: rgba(22, 28, 25, .92);
  --green: #00ffa3;
  --green-soft: rgba(0, 255, 163, .18);
  --white: #f4f4f5;
  --ink: #d9e5df;
  --muted: #87958f;
  --amber: #f8d66d;
  --danger: #ff5b6e;
  --line: rgba(244, 244, 245, .13);
  --line-green: rgba(0, 255, 163, .28);
  --shadow: 0 28px 90px rgba(0, 0, 0, .48);
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 14%, rgba(0, 255, 163, .13), transparent 28rem),
    radial-gradient(circle at 86% 8%, rgba(248, 214, 109, .075), transparent 24rem),
    linear-gradient(145deg, #050506, var(--night) 54%, #0d1110);
  font-family: "IBM Plex Sans", "Noto Sans SC", "Microsoft YaHei UI", "PingFang SC", sans-serif;
  letter-spacing: 0;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  opacity: .26;
  background-image:
    linear-gradient(rgba(0, 255, 163, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 163, .08) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(circle at center, #000 16%, transparent 86%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  opacity: .11;
  background: repeating-linear-gradient(0deg, transparent 0 6px, rgba(244,244,245,.08) 7px);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }
h1, h2, h3, p { margin-top: 0; }

#node-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: .72;
  pointer-events: none;
}

.loader {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 18px;
  background: #050506;
  transition: opacity .65s ease, visibility .65s ease;
  animation: loader-fallback .6s ease 2.2s forwards;
}
.loader-core { position: relative; width: 74px; height: 74px; }
.loader-core span {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(0,255,163,.24);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin 1.4s linear infinite;
}
.loader-core span:nth-child(2) { inset: 12px; animation-direction: reverse; animation-duration: 1s; border-top-color: var(--white); }
.loader-core span:nth-child(3) { inset: 26px; background: var(--green); box-shadow: 0 0 28px var(--green); animation: pulse-core 1.2s ease-in-out infinite; }
.loader strong { color: var(--green); font-size: 12px; letter-spacing: .14em; }
body.loaded .loader { opacity: 0; visibility: hidden; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse-core { 50% { transform: scale(.72); opacity: .5; } }
@keyframes loader-fallback { to { opacity: 0; visibility: hidden; } }

.site-header {
  position: sticky;
  top: 0;
  z-index: 12;
  max-width: var(--max);
  margin: 16px auto 0;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(6, 8, 8, .78);
  backdrop-filter: blur(18px);
  box-shadow: 0 16px 70px rgba(0,0,0,.34);
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 204px; }
.brand img { width: 42px; height: 42px; border-radius: 8px; filter: drop-shadow(0 0 14px rgba(0,255,163,.35)); }
.brand b { display: block; color: var(--white); font-size: 19px; }
.brand em { display: block; margin-top: 1px; color: var(--muted); font-size: 10px; font-style: normal; text-transform: uppercase; }
.site-nav { flex: 1; display: flex; align-items: center; justify-content: center; gap: 3px; }
.site-nav a {
  padding: 10px 11px;
  border-radius: 7px;
  color: #bec9c3;
  font-size: 14px;
  transition: color .22s ease, background .22s ease, transform .22s ease;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--white); background: rgba(0,255,163,.1); transform: translateY(-1px); }
.header-call {
  padding: 10px 15px;
  border-radius: 7px;
  color: #06100c;
  background: var(--green);
  font-weight: 900;
  box-shadow: 0 0 28px rgba(0,255,163,.34);
}
.nav-toggle { display: none; margin-left: auto; width: 42px; height: 38px; border: 0; background: transparent; }
.nav-toggle span { display: block; height: 2px; margin: 7px 6px; background: var(--green); }

.hero, .page-hero, .section-pad, .contact-band, .article-detail {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}
.hero {
  min-height: calc(100vh - 92px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .78fr);
  gap: 44px;
  align-items: center;
  padding: 70px 0 46px;
}
.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}
.hero h1, .page-hero h1 {
  margin-bottom: 24px;
  max-width: 860px;
  color: var(--white);
  font-size: clamp(42px, 6vw, 88px);
  line-height: .98;
  font-weight: 950;
}
.hero h1 span {
  display: block;
  color: transparent;
  background: linear-gradient(95deg, var(--white), var(--green) 46%, var(--amber));
  -webkit-background-clip: text;
  background-clip: text;
  text-shadow: 0 0 38px rgba(0,255,163,.22);
}
.hero-lead, .page-hero p {
  max-width: 760px;
  color: #c8d4cf;
  font-size: 18px;
  line-height: 1.85;
}
.hero-actions, .center-action { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  transition: transform .24s ease, border-color .24s ease, box-shadow .24s ease;
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-120%) skewX(-18deg);
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.28), transparent);
  transition: transform .55s ease;
}
.btn:hover::before { transform: translateX(120%) skewX(-18deg); }
.btn.primary { border-color: transparent; color: #05100c; background: var(--green); font-weight: 950; box-shadow: 0 16px 36px rgba(0,255,163,.24); }
.btn.ghost { color: var(--white); background: rgba(255,255,255,.045); }
.btn:hover { transform: translateY(-2px); border-color: var(--line-green); box-shadow: 0 18px 46px rgba(0,255,163,.16); }
.hero-trust { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.hero-trust span {
  padding: 9px 12px;
  border: 1px solid rgba(0,255,163,.22);
  border-radius: 999px;
  color: #cffff0;
  background: rgba(0,255,163,.075);
  font-size: 13px;
}

.terminal-panel, .dashboard-mock, .lead-form, .qa-card, .service-card, .article-card, .timeline article, .article-cta, .scenario-grid article, .feature-card, .rich-grid article, .two-col-rich > div {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(255,255,255,.07), rgba(255,255,255,.026));
  box-shadow: var(--shadow);
}
.terminal-panel {
  padding: 18px;
  transform-style: preserve-3d;
  background:
    linear-gradient(145deg, rgba(0,255,163,.075), rgba(255,255,255,.025)),
    var(--panel);
}
.panel-head { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; }
.panel-head span { width: 9px; height: 9px; border-radius: 50%; background: var(--danger); }
.panel-head span:nth-child(2) { background: var(--amber); }
.panel-head span:nth-child(3) { background: var(--green); }
.panel-head b { margin-left: auto; color: #d9fff1; font-weight: 800; }
.radar-orbit {
  position: relative;
  display: grid;
  place-items: center;
  width: min(315px, 84vw);
  aspect-ratio: 1;
  margin: 30px auto;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,255,163,.18), transparent 59%);
}
.radar-orbit i {
  position: absolute;
  inset: 18%;
  border: 1px solid rgba(0,255,163,.22);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: orbit 4.2s linear infinite;
}
.radar-orbit i:nth-child(2) { inset: 8%; animation-duration: 5.4s; animation-direction: reverse; border-top-color: var(--white); }
.radar-orbit i:nth-child(3) { inset: 0; animation-duration: 7s; border-top-color: var(--amber); }
.radar-orbit strong { color: var(--white); font-size: 58px; line-height: 1; }
.radar-orbit em { display: block; margin-top: 8px; color: var(--muted); font-style: normal; }
@keyframes orbit { to { transform: rotate(360deg); } }
.metric-row { margin: 14px 0; display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: center; }
.metric-row span { color: var(--muted); }
.metric-row b { color: var(--white); }
progress { grid-column: 1 / -1; width: 100%; height: 8px; border: 0; border-radius: 999px; overflow: hidden; background: rgba(255,255,255,.07); }
progress::-webkit-progress-bar { background: rgba(255,255,255,.07); }
progress::-webkit-progress-value { background: linear-gradient(90deg, var(--green), var(--amber)); }
.terminal-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.terminal-tags span { padding: 8px 10px; border-radius: 7px; background: rgba(0,255,163,.075); color: #d9fff1; font-size: 13px; }

.section-pad { padding: 82px 0; }
.section-title { max-width: 760px; margin-bottom: 32px; }
.section-title h2, .contact-band h2, .deep-copy h2, .article-cta h2 {
  margin-bottom: 12px;
  color: var(--white);
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.15;
}
.section-title p:not(.eyebrow) { color: var(--muted); line-height: 1.85; }
.feature-grid, .qa-grid, .service-grid, .article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.bento-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.feature-card.wide { grid-column: span 2; }
.feature-card.tall { grid-row: span 2; }
.feature-card, .qa-card, .service-card, .article-card {
  padding: 24px;
  transition: transform .25s ease, border-color .25s ease, background .25s ease;
}
.feature-card:hover, .qa-card:hover, .service-card:hover, .article-card:hover {
  transform: translateY(-6px);
  border-color: var(--line-green);
  background: rgba(0,255,163,.065);
}
.feature-card span, .service-card span, .article-card span { color: var(--green); font-size: 12px; font-weight: 900; }
.feature-card h3, .qa-card h3, .service-card h3, .article-card h3 { color: var(--white); line-height: 1.35; }
.feature-card p, .qa-card p, .service-card p, .article-card p, .timeline p { color: #aebdb6; line-height: 1.78; }
.service-card a { color: var(--green); font-weight: 900; }

.scenario-grid, .rich-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.scenario-grid article, .rich-grid article, .two-col-rich > div {
  padding: 24px;
  transition: transform .25s ease, border-color .25s ease, background .25s ease;
}
.scenario-grid article:hover, .rich-grid article:hover, .two-col-rich > div:hover {
  transform: translateY(-5px);
  border-color: var(--line-green);
  background: rgba(0,255,163,.055);
}
.scenario-grid span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 16px;
  border-radius: 50%;
  color: #04110c;
  background: var(--green);
  font-weight: 950;
}
.scenario-grid h3, .rich-grid h3, .two-col-rich h3 { color: var(--white); line-height: 1.35; }
.scenario-grid p, .rich-grid p { color: var(--muted); line-height: 1.78; }
.two-col-rich { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.timeline article { padding: 22px; position: relative; overflow: hidden; }
.timeline article::after {
  content: "";
  position: absolute;
  inset: auto 18px 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
}
.timeline span { color: var(--green); font-size: 28px; font-weight: 950; }

.contact-band {
  margin-block: 58px 90px;
  padding: 34px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  border: 1px solid var(--line-green);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(0,255,163,.13), rgba(244,244,245,.035));
}

.page-hero.compact { padding: 90px 0 30px; }
.deep-section {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1fr);
  gap: 36px;
  align-items: center;
}
.dashboard-mock { min-height: 368px; padding: 22px; position: relative; overflow: hidden; background: var(--panel); }
.signal-bars { position: absolute; inset: auto 28px 54px 28px; height: 220px; display: flex; gap: 13px; align-items: end; }
.signal-bars i { flex: 1; border-radius: 8px 8px 0 0; background: linear-gradient(180deg, var(--green), rgba(0,255,163,.08)); box-shadow: 0 0 18px rgba(0,255,163,.14); }
.trace-line { position: absolute; inset: 78px 28px auto; height: 126px; border: 2px solid transparent; border-top-color: var(--amber); border-radius: 50%; transform: rotate(-8deg); opacity: .86; }
.mock-labels { position: absolute; left: 28px; right: 28px; bottom: 18px; display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; }
.check-list { list-style: none; padding: 0; margin: 0 0 26px; display: grid; gap: 14px; }
.check-list li { position: relative; padding-left: 30px; color: #cbd8d2; line-height: 1.72; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 950; }

.contact-page {
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}
.contact-copy h1 { color: var(--white); font-size: clamp(34px, 5vw, 62px); line-height: 1.08; }
.contact-copy p { color: var(--muted); line-height: 1.85; }
.contact-methods { display: grid; gap: 10px; margin: 24px 0; color: var(--white); }
.contact-qr { border-radius: 8px; border: 8px solid var(--white); }
.lead-form { padding: 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; background: var(--panel-strong); }
.lead-form label { display: grid; gap: 8px; color: #dbe8e2; font-weight: 800; }
.lead-form .wide { grid-column: 1 / -1; }
.lead-form input, .lead-form textarea, .lead-form select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--white);
  background: rgba(0,0,0,.24);
  outline: 0;
}
.lead-form input:focus, .lead-form textarea:focus, .lead-form select:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(0,255,163,.15); }
.lead-form button { width: max-content; }
.form-status { align-self: center; margin: 0; color: var(--green); }
.hp { position: absolute; left: -9999px; opacity: 0; }

.article-detail { max-width: 900px; padding: 84px 0; }
.article-detail header h1 { color: var(--white); font-size: clamp(34px, 5vw, 58px); line-height: 1.12; }
.article-detail header p:not(.eyebrow) { color: var(--muted); font-size: 18px; line-height: 1.8; }
.prose { color: #d7e4df; line-height: 1.92; font-size: 17px; }
.prose h2 { margin-top: 42px; color: var(--white); font-size: 28px; }
.prose h3 { color: var(--white); }
.prose a { color: var(--green); font-weight: 900; }
.prose ul, .prose ol { padding-left: 22px; }
.article-cta { margin-top: 42px; padding: 28px; background: var(--panel); }

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(0,0,0,.28);
}
.footer-grid, .footer-bottom {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}
.footer-grid {
  padding: 44px 0;
  display: grid;
  grid-template-columns: 1.15fr .7fr .95fr auto;
  gap: 28px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; color: var(--white); font-size: 20px; font-weight: 950; }
.site-footer h2 { color: var(--white); font-size: 16px; }
.site-footer p, .site-footer a, .footer-bottom { color: var(--muted); line-height: 1.75; }
.footer-qr img { border-radius: 8px; border: 6px solid var(--white); }
.footer-qr span { display: block; margin-top: 8px; text-align: center; color: var(--muted); font-size: 13px; }
.footer-bottom { padding: 18px 0; display: flex; justify-content: space-between; border-top: 1px solid var(--line); font-size: 13px; }

[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .75s ease, transform .75s ease; }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .site-header { width: calc(100% - 24px); margin-top: 12px; }
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    display: none;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(6,8,8,.96);
  }
  .site-nav.open { display: grid; }
  .header-call { display: none; }
  .hero, .deep-section, .contact-page { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-top: 54px; }
  .feature-grid, .qa-grid, .service-grid, .article-grid, .timeline, .footer-grid, .scenario-grid, .rich-grid { grid-template-columns: 1fr 1fr; }
  .feature-card.wide, .feature-card.tall { grid-column: auto; grid-row: auto; }
}

@media (max-width: 640px) {
  .hero, .page-hero, .section-pad, .contact-band, .article-detail, .footer-grid, .footer-bottom { width: calc(100% - 28px); }
  .brand { min-width: 0; }
  .brand em { display: none; }
  .hero h1, .page-hero h1 { font-size: 42px; }
  .hero-lead, .page-hero p { font-size: 16px; }
  .feature-grid, .qa-grid, .service-grid, .article-grid, .timeline, .footer-grid, .lead-form, .scenario-grid, .rich-grid, .two-col-rich { grid-template-columns: 1fr; }
  .lead-form .wide { grid-column: auto; }
  .contact-band { align-items: flex-start; flex-direction: column; padding: 24px; }
  .section-pad { padding: 58px 0; }
  .terminal-panel { padding: 14px; }
  .radar-orbit strong { font-size: 42px; }
  .footer-bottom { gap: 8px; flex-direction: column; }
}