:root {
  --ink: #123252;
  --muted: #5a7690;
  --line: rgba(26, 140, 255, 0.16);
  --card: rgba(255, 255, 255, 0.78);
  --accent: #1a8cff;
  --accent-2: #3ec8ff;
  --deep: #0b4f86;
  --shadow: 0 16px 40px rgba(22, 112, 186, 0.1);
  --radius: 20px;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--ink);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
  background:
    radial-gradient(820px 380px at 8% -8%, rgba(80, 196, 255, 0.42), transparent 62%),
    radial-gradient(680px 420px at 100% 0%, rgba(170, 220, 255, 0.55), transparent 58%),
    linear-gradient(180deg, #eaf5fe, #f8fbff 46%, #e4f2fd);
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(26, 140, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 140, 255, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(#000, transparent 80%);
}

a { color: inherit; }
img { max-width: 100%; display: block; }
main {
  flex: 1;
  display: flex;
  flex-direction: column;
}
main::before,
main::after {
  content: "";
  flex: 1 1 0;
  min-height: 28px;
}
.wrap { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }

.top {
  position: sticky;
  top: 0;
  z-index: 5;
  backdrop-filter: blur(18px);
  background: rgba(234, 245, 254, 0.78);
  border-bottom: 1px solid rgba(255, 255, 255, 0.7);
}
.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand img { width: 40px; height: 40px; filter: drop-shadow(0 8px 12px rgba(0, 148, 255, 0.28)); }
.brand strong { font-size: 16px; letter-spacing: 0.02em; }
.brand span { display: block; margin-top: 1px; color: var(--muted); font-size: 12px; }
nav {
  display: flex;
  gap: 4px;
  padding: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.9);
}
nav a {
  text-decoration: none;
  padding: 7px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
}
nav a[aria-current="page"] {
  color: #fff;
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  box-shadow: 0 6px 16px rgba(26, 140, 255, 0.28);
}
nav a:hover { color: var(--ink); }
nav a[aria-current="page"]:hover { color: #fff; }

.stage { padding: 8px 0 12px; }
.hero {
  padding: 0 0 22px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.78fr);
  gap: 40px;
  align-items: center;
}
.hero > * { min-width: 0; }
.kicker {
  margin: 0 0 10px;
  color: var(--deep);
  font-size: 12px;
  letter-spacing: 0.16em;
}
h1 { margin: 0 0 12px; font-size: 48px; line-height: 1.12; letter-spacing: -0.03em; }
.lead { margin: 0; max-width: 36em; color: var(--muted); font-size: 17px; }
.page-head { padding: 48px 0 8px; }
.page-head h1 { font-size: 36px; }
.page-head p { margin: 0; color: var(--muted); }

.glass {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
}
.menu { padding: 14px; }
.row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 4px 0;
  padding: 11px 14px;
  border-radius: 14px;
  text-decoration: none;
  transition: background 0.15s ease;
}
.row:hover { background: rgba(26, 140, 255, 0.08); }
.row em {
  font-style: normal;
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: var(--muted);
  width: 1.6em;
}
.row.on {
  color: #fff;
  background: linear-gradient(100deg, #1a8cff, #46c8ff);
  box-shadow: 0 8px 18px rgba(26, 140, 255, 0.25);
}
.row.on em { color: rgba(255, 255, 255, 0.8); }
.row.on:hover { background: linear-gradient(100deg, #1a8cff, #46c8ff); }

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.tools { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card { padding: 18px 18px 16px; }
.card h3 { margin: 0 0 6px; font-size: 16px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.state {
  display: inline-block;
  margin-top: 12px;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(26, 140, 255, 0.08);
  color: var(--deep);
  font-size: 12px;
}
.facts { padding: 6px 18px; }
.facts p { display: flex; gap: 16px; margin: 0; padding: 14px 0; border-bottom: 1px solid var(--line); }
.facts p:last-child { border-bottom: 0; }
.facts span { width: 4.5em; flex: none; color: var(--muted); }

footer {
  margin-top: 0;
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.62);
  border-top: 1px solid rgba(255, 255, 255, 0.9);
}
.foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}
.foot-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-size: 14px;
}
.foot-brand img { width: 26px; height: 26px; }
.foot-brand b { font-weight: 650; }
.foot-brand span { color: var(--muted); }
.beian {
  text-decoration: none;
  color: var(--muted);
  font-size: 13px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line);
}
.beian:hover { color: var(--deep); }

@media (min-width: 1600px) {
  :root { --max: 1240px; }
  h1 { font-size: 56px; }
  .lead { font-size: 18px; }
  .hero { gap: 56px; }
  .card { padding: 22px 22px 18px; }
}

@media (max-width: 860px) {
  body { overflow-x: hidden; }
  h1 { font-size: 34px; }
  .hero, .grid, .tools { grid-template-columns: minmax(0, 1fr); }
  main::before { min-height: 8px; }
  .wrap { width: min(var(--max), calc(100% - 24px)); }
  .bar { flex-direction: column; align-items: stretch; min-height: 0; padding: 10px 0; }
  .brand span { display: none; }
  nav { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); width: 100%; min-width: 0; padding: 3px; }
  nav a { text-align: center; padding: 8px 0; font-size: 14px; }
  .foot { flex-direction: column; align-items: flex-start; padding: 16px 0; }
}