:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #1f2933;
  --muted: #5f6b7a;
  --line: #dde3ea;
  --accent: #1f6feb;
  --accent-dark: #174ea6;
  --soft: #eef4ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
}

.wrap {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
}

.header-inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  color: var(--text);
  font-weight: 700;
}

nav {
  display: flex;
  gap: 20px;
  font-size: 15px;
}

nav a {
  color: var(--muted);
}

.hero {
  background: linear-gradient(180deg, #ffffff 0%, #eef4ff 100%);
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  min-height: 460px;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  gap: 48px;
  align-items: center;
  padding: 56px 0;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 720px;
  margin-bottom: 20px;
  font-size: clamp(34px, 6vw, 56px);
  line-height: 1.15;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 20px;
  font-size: 26px;
  line-height: 1.25;
}

h3 {
  margin-bottom: 10px;
  font-size: 19px;
}

.lead {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 18px;
}

.hero-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 18px 60px rgba(31, 41, 51, 0.08);
}

dl {
  margin: 0;
}

.hero-panel div {
  padding: 22px 24px;
  border-bottom: 1px solid var(--line);
}

.hero-panel div:last-child {
  border-bottom: 0;
}

dt {
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 14px;
}

dd {
  margin: 0;
  font-weight: 700;
}

.section {
  padding: 64px 0;
}

.muted {
  background: var(--panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

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

.note {
  min-height: 210px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.note-date {
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 14px;
}

.note p:last-child,
.two-col p,
.contact-box p {
  margin-bottom: 0;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
}

.contact-box {
  max-width: 1080px;
}

.hint {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #1f2933;
  color: #d8dee6;
}

.footer-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 14px;
}

.site-footer a {
  color: #d8dee6;
}

@media (max-width: 780px) {
  .wrap {
    width: min(100% - 28px, 1080px);
  }

  .header-inner,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 14px 0;
  }

  nav {
    width: 100%;
    justify-content: space-between;
    gap: 12px;
  }

  .hero-grid,
  .note-list,
  .two-col {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    min-height: auto;
    gap: 28px;
    padding: 44px 0;
  }

  .section {
    padding: 44px 0;
  }

  .note {
    min-height: auto;
  }
}