:root {
  color-scheme: light;
  --bg: #f7f8fb;
  --panel: #ffffff;
  --ink: #151922;
  --muted: #657086;
  --line: #dde2ec;
  --accent: #2f6df6;
  --accent-strong: #1d4ed8;
  --ok: #16a34a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}

.shell {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0 32px;
}

.hero {
  padding: 48px 0 34px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 16px;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.08;
}

h2 {
  margin-bottom: 12px;
  font-size: 20px;
}

.lead {
  max-width: 700px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 18px;
}

.status-panel {
  margin: 32px 0;
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.status-row {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 18px;
  color: var(--ok);
  font-weight: 700;
}

.pulse {
  width: 10px;
  height: 10px;
  background: var(--ok);
  border-radius: 999px;
  box-shadow: 0 0 0 6px rgba(22, 163, 74, .12);
}

.muted {
  color: var(--muted);
}

.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  margin-top: 12px;
  padding: 0 20px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

.primary-link:hover {
  background: var(--accent-strong);
}

.notice-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.notice-grid article {
  min-height: 180px;
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.notice-grid p {
  margin-bottom: 0;
  color: var(--muted);
}

footer {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 760px) {
  .shell {
    width: min(100% - 24px, 1040px);
    padding-top: 28px;
  }

  .hero {
    padding: 34px 0 26px;
  }

  .status-panel {
    padding: 22px;
  }

  .notice-grid {
    grid-template-columns: 1fr;
  }
}