/* ═══════════════════════════════════════
   美宝教育规划 · 静态站点样式
   温暖、清晰、适合打印
   ═══════════════════════════════════════ */

:root {
  --bg: #fdfaf5;
  --card: #fff;
  --text: #2c2416;
  --muted: #8b7355;
  --accent: #c0392b;
  --blue: #2c5f8a;
  --green: #3a7d44;
  --gold: #d4a843;
  --border: #e8e0d5;
  --shadow: 0 1px 3px rgba(0,0,0,.06);
}

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

body {
  font-family: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","SimSun",sans-serif;
  font-size: 16px; line-height: 1.8; color: var(--text);
  background: var(--bg); max-width: 1040px; margin: auto; padding: 20px;
}

/* ── Nav ── */
nav {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding: 12px 0; margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
nav a {
  text-decoration: none; color: var(--blue);
  padding: 6px 14px; border-radius: 4px; font-size: 14px;
  transition: background .2s;
}
nav a:hover, nav a.active { background: #e8edf2; }

/* ── Typography ── */
h1 { font-size: 28px; text-align: center; margin: 20px 0 8px; color: #1a1a1a; }
h2 { font-size: 20px; margin: 28px 0 12px; padding-bottom: 6px; border-bottom: 2px solid var(--border); }
h3 { font-size: 17px; margin: 18px 0 8px; color: #3a3a3a; }
p { margin: 8px 0; }
.muted { color: var(--muted); font-size: 14px; }

/* ── Cards ── */
.card {
  background: var(--card); border-radius: 8px;
  padding: 20px; margin: 14px 0;
  box-shadow: var(--shadow); border: 1px solid var(--border);
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px; margin: 14px 0;
}
.week-card {
  background: var(--card); border-radius: 8px; padding: 16px;
  box-shadow: var(--shadow); border: 1px solid var(--border);
  transition: transform .15s;
}
.week-card:hover { transform: translateY(-2px); }
.week-card h3 { margin: 0 0 6px; font-size: 16px; }
.week-card .links { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.week-card .links a {
  display: inline-block; padding: 4px 10px; border-radius: 3px;
  text-decoration: none; color: #fff; font-size: 13px;
}

/* ── Badge colors ── */
.badge { display: inline-block; padding: 3px 8px; border-radius: 3px; font-size: 12px; color: #fff; }
.badge-math { background: #f5c6cb; color: #2c2416; }
.badge-chinese { background: #c3e6cb; color: #2c2416; }
.badge-english { background: #b6d4fe; color: #2c2416; }
.badge-history { background: #d4c4e3; color: #2c2416; }
.badge-geo { background: #fde2c3; color: #2c2416; }

/* ── Progress bars ── */
.progress-bar {
  height: 10px; background: #eee; border-radius: 5px; margin: 4px 0 10px;
}
.progress-fill {
  height: 100%; border-radius: 5px;
  background: linear-gradient(90deg, var(--blue), #5b9bd5);
}

/* ── Tables ── */
table {
  width: 100%; border-collapse: collapse; margin: 12px 0;
  font-size: 14px;
}
th {
  background: #333; color: #fff; padding: 8px 12px;
  text-align: left; font-weight: normal;
}
td { padding: 8px 12px; border-bottom: 1px solid var(--border); }
tr:hover td { background: #fffef8; }

/* ── Stats grid ── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px; margin: 16px 0;
}
.stat {
  background: var(--card); border-radius: 8px; padding: 16px;
  text-align: center; box-shadow: var(--shadow);
}
.stat .num { font-size: 36px; font-weight: bold; color: var(--accent); }
.stat .label { font-size: 13px; color: var(--muted); margin-top: 4px; }

/* ── Hero ── */
.hero {
  text-align: center; padding: 40px 20px;
  background: linear-gradient(135deg, #f5efe0 0%, #e8dcc8 100%);
  border-radius: 12px; margin-bottom: 24px;
}
.hero h1 { font-size: 32px; border: none; margin-bottom: 8px; }
.hero p { font-size: 18px; color: var(--muted); }

/* ── Footer ── */
footer {
  text-align: center; padding: 20px; margin-top: 40px;
  border-top: 1px solid var(--border); color: var(--muted); font-size: 13px;
}

/* ── Timeline ── */
.timeline { position: relative; padding-left: 24px; margin: 16px 0; }
.timeline::before {
  content: ''; position: absolute; left: 8px; top: 0; bottom: 0;
  width: 2px; background: var(--border);
}
.timeline-item { position: relative; margin-bottom: 16px; padding-left: 20px; }
.timeline-item::before {
  content: ''; position: absolute; left: -20px; top: 8px;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--gold);
}
.timeline-item .date { font-size: 13px; color: var(--muted); }

/* ── Mobile ── */
@media (max-width: 768px) {
  body { font-size: 15px; padding: 12px; }
  h1 { font-size: 22px; }
  h2 { font-size: 18px; }
  nav { gap: 4px; }
  nav a { padding: 5px 10px; font-size: 13px; }
  .card-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .hero { padding: 24px 16px; }
  .hero h1 { font-size: 24px; }
  .hero p { font-size: 15px; }
  table { font-size: 13px; }
  th, td { padding: 6px 8px; }
  .week-card { padding: 12px; }
}

@media (max-width: 480px) {
  body { font-size: 14px; padding: 8px; }
  h1 { font-size: 20px; }
  nav { gap: 2px; }
  nav a { padding: 4px 8px; font-size: 12px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .stat .num { font-size: 28px; }
  .hero { padding: 20px 12px; }
  .hero h1 { font-size: 20px; }
  .card { padding: 14px; }
  .week-card .links a { font-size: 11px; padding: 3px 7px; }
}

@media print {
  body { background: #fff; font-size: 14px; }
  nav, footer, .no-print { display: none; }
  .card, .week-card { box-shadow: none; border: 1px solid #ddd; break-inside: avoid; }
}