:root {
  --bg: #fffaf3;
  --ink: #1d2321;
  --muted: #5c6663;
  --accent: #39c5bb;
  --accent-dark: #12867e;
  --line: #e8e0d3;
  --card: #ffffff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}

.wrap { max-width: 880px; margin: 0 auto; padding: 0 24px; }

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 250, 243, 0.9);
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 18px;
  padding-bottom: 18px;
}
.brand { font-weight: 700; font-size: 17px; }
.brand small { color: var(--muted); font-weight: 500; }
.school-year {
  font-size: 13px;
  color: var(--accent-dark);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 3px 12px;
  white-space: nowrap;
}

.hero { padding: 72px 0 48px; }
.kicker {
  font-size: 12px;
  letter-spacing: 0.18em;
  font-weight: 700;
  color: var(--accent-dark);
  margin-bottom: 12px;
}
.hero h1 { font-size: 44px; line-height: 1.15; margin-bottom: 16px; }
.hero .accent { color: var(--accent-dark); }
.lede { color: var(--muted); font-size: 17px; max-width: 620px; margin-bottom: 28px; }
.hero-links { display: flex; gap: 12px; flex-wrap: wrap; }

.button {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid var(--ink);
  color: var(--ink);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  transition: background 0.15s, color 0.15s;
}
.button:hover { background: var(--ink); color: var(--bg); }
.button.primary { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; }
.button.primary:hover { background: var(--ink); border-color: var(--ink); }

section { margin-bottom: 72px; }
.section-head { margin-bottom: 24px; }
.section-head h2 { font-size: 28px; }

.loading, .empty { color: var(--muted); }

.update-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
  margin-bottom: 20px;
}
.update-date {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--accent-dark);
  margin-bottom: 6px;
}
.update-card h3 { font-size: 21px; margin-bottom: 12px; }
.update-body p { margin-bottom: 12px; color: #2c3532; }
.update-body p:last-child { margin-bottom: 0; }
.update-images {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-top: 16px;
}
.update-images img {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--line);
  display: block;
}

.archive-card {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  background: var(--card);
  border: 1px dashed var(--accent);
  border-radius: 16px;
  padding: 28px;
}
.archive-badge {
  flex-shrink: 0;
  width: 88px;
  height: 88px;
  border-radius: 14px;
  background: repeating-linear-gradient(135deg, #f3ede1, #f3ede1 8px, #ece4d4 8px, #ece4d4 16px);
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.4;
  border: 1px solid var(--line);
}
.archive-copy h3 { font-size: 19px; margin-bottom: 8px; }
.archive-copy p { color: var(--muted); margin-bottom: 16px; font-size: 15px; }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 32px 0 48px;
  color: var(--muted);
  font-size: 14px;
}
.site-footer p { margin-bottom: 6px; }
.beian a { color: var(--muted); text-decoration: none; margin-right: 16px; }
.beian a:hover { color: var(--ink); }

@media (max-width: 600px) {
  .hero { padding: 48px 0 36px; }
  .hero h1 { font-size: 32px; }
  .archive-card { flex-direction: column; }
}