:root {
  color-scheme: light;
  --ink: #242019;
  --muted: #756d62;
  --soft: #f6eee4;
  --paper: #fbfaf6;
  --white: #ffffff;
  --line: #e6dccf;
  --accent: #b85b35;
  --accent-2: #2f7f72;
  --deep: #26362f;
  --shadow: 0 24px 70px rgba(54, 43, 32, .13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(184,91,53,.055) 1px, transparent 1px),
    linear-gradient(180deg, var(--paper), #ffffff 42%, #f3f8f7);
  background-size: 42px 42px, auto;
  line-height: 1.72;
}
a { color: inherit; text-decoration: none; }
p, h1, h2, h3 { margin-top: 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px clamp(20px, 5vw, 78px);
  background: rgba(251, 250, 246, .9);
  border-bottom: 1px solid rgba(230, 220, 207, .92);
  backdrop-filter: blur(18px);
}
.brand { display: inline-flex; gap: 12px; align-items: center; font-size: 18px; font-weight: 800; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  color: white;
  background: linear-gradient(135deg, var(--deep), var(--accent));
  box-shadow: 0 10px 24px rgba(184,91,53,.22);
}
.nav { display: flex; gap: 28px; color: #52616d; font-size: 15px; font-weight: 700; }
.nav a { position: relative; padding: 6px 0; }
.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--accent);
  transition: transform .2s ease;
}
.nav a:hover::after { transform: scaleX(1); }

.hero {
  position: relative;
  min-height: 690px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, .82fr);
  gap: clamp(34px, 6vw, 88px);
  align-items: center;
  padding: 92px clamp(20px, 5vw, 78px) 68px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 82% 22%, rgba(47,127,114,.16), transparent 30%),
    radial-gradient(circle at 18% 18%, rgba(184,91,53,.16), transparent 34%),
    linear-gradient(135deg, rgba(255,255,255,.84), rgba(246,238,228,.8));
}
.hero-copy { max-width: 790px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--accent-2); }
h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.05;
  letter-spacing: 0;
}
h2 { margin-bottom: 18px; font-size: clamp(30px, 4vw, 46px); line-height: 1.16; letter-spacing: 0; }
h3 { margin-bottom: 12px; font-size: 22px; line-height: 1.25; }
.lead { max-width: 720px; color: #435463; font-size: 20px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.proof-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}
.proof-points span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 7px 13px;
  border: 1px solid rgba(11,124,134,.18);
  border-radius: 999px;
  color: #40525e;
  background: rgba(255,255,255,.68);
  font-size: 14px;
  font-weight: 800;
}
.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 11px 24px;
  border-radius: 8px;
  font-weight: 900;
  transition: transform .2s ease, box-shadow .2s ease;
}
.button:hover { transform: translateY(-2px); }
.primary { color: white; background: var(--accent); box-shadow: 0 14px 30px rgba(184,91,53,.24); }
.secondary { border: 1px solid var(--line); background: rgba(255,255,255,.82); }

.signal-panel,
.orbit,
.dashboard {
  position: relative;
  border: 1px solid rgba(255,255,255,.7);
  border-radius: 8px;
  background: rgba(255,255,255,.74);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  overflow: hidden;
}
.signal-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding: 18px; }
.signal-panel::before,
.orbit::before,
.dashboard::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(184,91,53,.09), transparent 48%, rgba(47,127,114,.12));
  pointer-events: none;
}
.metric {
  position: relative;
  min-height: 162px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,.9);
}
.metric strong { display: block; margin-bottom: 18px; color: var(--deep); font-size: 38px; line-height: 1; }
.metric span { color: var(--muted); }
.metric.wide { grid-column: 1 / -1; min-height: 124px; color: white; background: linear-gradient(135deg, var(--deep), #3e4d42); }
.metric.wide strong, .metric.wide span { color: white; }

.orbit {
  min-height: 430px;
  background: linear-gradient(135deg, var(--deep), #203f48);
}
.orbit::after {
  content: "";
  position: absolute;
  inset: 54px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 50%;
}
.node {
  position: absolute;
  z-index: 1;
  display: grid;
  place-items: center;
  min-width: 82px;
  min-height: 82px;
  padding: 12px;
  border-radius: 50%;
  color: white;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 18px 35px rgba(0,0,0,.18);
}
.node.main {
  inset: 50%;
  width: 126px;
  height: 126px;
  transform: translate(-50%, -50%);
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  font-size: 30px;
}
.n1 { top: 44px; left: 48px; }
.n2 { top: 58px; right: 46px; }
.n3 { bottom: 56px; left: 74px; }
.n4 { right: 64px; bottom: 44px; }

.dashboard {
  min-height: 430px;
  padding: 24px;
  background: linear-gradient(135deg, var(--deep), #101c24);
}
.dash-head { position: relative; z-index: 1; display: flex; gap: 8px; margin-bottom: 34px; }
.dash-head span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: rgba(255,255,255,.36);
}
.bars {
  position: relative;
  z-index: 1;
  height: 194px;
  display: flex;
  align-items: end;
  gap: 18px;
  padding: 20px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 8px;
  background: rgba(255,255,255,.07);
}
.bars i {
  flex: 1;
  min-width: 24px;
  border-radius: 8px 8px 0 0;
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
  box-shadow: 0 10px 26px rgba(0,0,0,.16);
}
.dash-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}
.dash-grid span {
  padding: 13px 14px;
  border-radius: 8px;
  color: #e9fbf8;
  background: rgba(255,255,255,.09);
  font-weight: 800;
}

.section { padding: 86px clamp(20px, 5vw, 78px); }
.section-title { max-width: 760px; margin-bottom: 34px; }
.grid { display: grid; gap: 20px; }
.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card,
.solution,
.business-grid article,
.partner-row div {
  position: relative;
  min-height: 230px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,.92);
  box-shadow: 0 14px 38px rgba(20, 42, 52, .07);
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover,
.solution:hover,
.business-grid article:hover,
.partner-row div:hover {
  transform: translateY(-4px);
  border-color: rgba(11,124,134,.28);
  box-shadow: 0 22px 55px rgba(20, 42, 52, .11);
}
.card::before,
.solution::before,
.business-grid article::before {
  content: "";
  display: block;
  width: 46px;
  height: 5px;
  margin-bottom: 24px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}
.card p,
.solution p,
.split p,
.capability p,
.contact p,
.partner-row span,
.timeline span { color: var(--muted); }

.split,
.data-band,
.capability {
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(320px, 1fr);
  gap: 48px;
  background: var(--white);
  border-block: 1px solid var(--line);
}
.feature-list,
.cap-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}
.feature-list li,
.cap-list span {
  min-height: 68px;
  display: flex;
  align-items: center;
  padding: 16px 18px;
  border-left: 4px solid var(--accent-2);
  border-radius: 0 8px 8px 0;
  background: var(--soft);
  font-weight: 800;
}
.steps,
.data-grid,
.partner-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.steps div,
.data-grid div {
  min-height: 154px;
  padding: 24px;
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, var(--soft));
  border: 1px solid var(--line);
}
.steps span,
.solution span { display: block; color: var(--accent); font-weight: 900; font-size: 26px; }
.steps p { margin-bottom: 0; font-weight: 900; }

.contact {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, .86fr);
  gap: 38px;
  color: white;
  background: linear-gradient(135deg, rgba(184,91,53,.92), rgba(38,54,47,.98)), var(--deep);
  overflow: hidden;
}
.contact::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -120px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  border: 48px solid rgba(255,255,255,.06);
}
.contact .eyebrow, .contact p { color: #cde8e5; }
address {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
  padding: 26px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 8px;
  background: rgba(255,255,255,.1);
  font-style: normal;
}
address span { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.14); }
address span:last-child { border-bottom: 0; }
.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 26px clamp(20px, 5vw, 78px);
  color: #677684;
  background: #ffffff;
  border-top: 1px solid var(--line);
}

@media (max-width: 920px) {
  .site-header { align-items: flex-start; gap: 12px; flex-direction: column; }
  .nav { width: 100%; justify-content: space-between; gap: 10px; overflow-x: auto; }
  .hero,
  .split,
  .data-band,
  .capability,
  .contact { grid-template-columns: 1fr; }
  .three,
  .steps,
  .data-grid,
  .partner-row { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-top: 56px; }
}