/* ==========================================================================
   edu - 教育培训风
   深蓝 + 翠绿，卡片化，无衬线，留白克制
   ========================================================================== */

:root {
  --pri: #1a5490;
  --pri-dark: #0e3a6a;
  --pri-soft: #eef4fa;
  --accent: #2e8b57;
  --ink: #1c2530;
  --muted: #5a6470;
  --bd: #e2e6ed;
  --bg: #f5f7fa;
  --card: #ffffff;
  --header-bg: #ffffff;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font: 15px/1.65 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft Yahei", sans-serif;
  color: var(--ink);
  background: var(--bg);
}

/* ===== 顶部 ===== */
.t-header {
  background: var(--header-bg);
  border-bottom: 1px solid var(--bd);
  position: sticky; top: 0; z-index: 50;
  box-shadow: 0 1px 4px rgba(0,0,0,.04);
}
.t-header-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center;
  padding: 14px 20px;
  gap: 18px;
}
.t-brand {
  display: flex; align-items: center; gap: 10px;
  font-size: 19px; font-weight: 600;
  color: var(--pri);
  letter-spacing: 0.5px;
}
.t-brand .seal {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--pri), var(--accent));
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: bold;
  border-radius: 8px;
}
.t-brand small { font-size: 12px; color: var(--muted); display: block; font-weight: normal; }
.t-nav {
  margin-left: auto;
  display: flex; gap: 2px;
}
.t-nav a {
  color: var(--ink);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 14px;
  text-decoration: none;
}
.t-nav a:hover { background: var(--pri-soft); color: var(--pri); }
.t-nav a.on { background: var(--pri); color: #fff; }

/* ===== Banner ===== */
.t-banner {
  background: linear-gradient(135deg, var(--pri) 0%, var(--accent) 100%);
  color: #fff;
  padding: 64px 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.t-banner::before {
  content: '';
  position: absolute; top: -50%; right: -10%;
  width: 60%; height: 200%;
  background: radial-gradient(ellipse at center, rgba(255,255,255,.15) 0%, transparent 70%);
  transform: rotate(-15deg);
}
.t-banner > * { position: relative; }
.t-banner h1 {
  font-size: 34px; margin: 0 0 10px;
  font-weight: 600;
  letter-spacing: 1px;
}
.t-banner p { font-size: 15px; opacity: .9; margin: 0 0 22px; }
.t-banner .stat-row {
  display: inline-flex; gap: 36px;
  background: rgba(255,255,255,.12);
  border-radius: 999px;
  padding: 14px 32px;
  backdrop-filter: blur(8px);
}
.t-banner .stat-row b { font-size: 24px; margin-right: 4px; color: #fff; }

/* ===== 搜索 ===== */
.t-search {
  max-width: 880px;
  margin: -32px auto 0;
  background: #fff;
  border-radius: 12px;
  padding: 22px 24px;
  box-shadow: 0 8px 24px rgba(0,0,0,.1);
  position: relative;
  z-index: 2;
}
.t-search h3 {
  margin: 0 0 14px;
  font-size: 16px;
  color: var(--pri);
  display: flex; align-items: center; gap: 8px;
}
.t-search h3::before {
  content: '';
  width: 4px; height: 16px;
  background: var(--accent);
  border-radius: 2px;
}
.t-search form { display: flex; flex-wrap: wrap; gap: 8px; }
.t-search input, .t-search select {
  padding: 9px 12px;
  border: 1px solid var(--bd);
  border-radius: 6px;
  font: inherit;
  font-size: 14px;
  background: #fafbfc;
}
.t-search input[type=text] { flex: 1; min-width: 200px; }
.t-search input:focus, .t-search select:focus { outline: none; border-color: var(--pri); background: #fff; }
.t-search button {
  background: var(--pri); color: #fff;
  border: none; border-radius: 6px;
  padding: 9px 24px;
  font: inherit; font-size: 14px; font-weight: 500;
  cursor: pointer;
  transition: background .15s;
}
.t-search button:hover { background: var(--pri-dark); }

/* ===== 通用 ===== */
.t-wrap { max-width: 1200px; margin: 0 auto; padding: 32px 20px; }
.t-h2 {
  font-size: 22px; margin: 0 0 18px;
  font-weight: 600;
  display: flex; align-items: center; gap: 8px;
}
.t-h2::before {
  content: ''; width: 4px; height: 18px;
  background: var(--pri);
  border-radius: 2px;
}
.t-h2 small { font-size: 14px; color: var(--muted); font-weight: normal; margin-left: 6px; }
.t-h2 .more { margin-left: auto; font-size: 13px; color: var(--muted); text-decoration: none; font-weight: normal; }

.t-grid-2 { display: grid; grid-template-columns: 1.4fr 1fr; gap: 22px; }
@media (max-width: 900px) { .t-grid-2 { grid-template-columns: 1fr; } }

.t-card {
  background: var(--card);
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 1px 4px rgba(0,0,0,.04);
}
.t-list { list-style: none; margin: 0; padding: 0; }
.t-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--bd);
  display: flex; align-items: baseline; gap: 8px;
}
.t-list li:last-child { border: none; }
.t-list a { color: var(--ink); text-decoration: none; flex: 1; }
.t-list a:hover { color: var(--pri); }
.t-list time { color: var(--muted); font-size: 13px; }

.t-type-tabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
.t-type-tab {
  background: var(--card);
  border: 1px solid var(--bd);
  border-radius: 10px;
  padding: 18px 14px;
  text-align: center;
  text-decoration: none;
  color: var(--ink);
  transition: all .15s;
}
.t-type-tab:hover { border-color: var(--pri); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(26, 84, 144, .12); color: var(--pri); }
.t-type-tab b { display: block; font-size: 17px; margin-bottom: 4px; }
.t-type-tab small { color: var(--muted); font-size: 12px; }

.t-result {
  padding: 14px 0;
  border-bottom: 1px solid var(--bd);
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr auto;
  gap: 12px;
  font-size: 14px;
  align-items: center;
}
.t-result b { color: var(--pri); }
.t-result a.btn {
  display: inline-block;
  padding: 5px 14px;
  background: var(--pri);
  color: #fff;
  border-radius: 6px;
  text-decoration: none;
  font-size: 12px;
  transition: background .15s;
}
.t-result a.btn:hover { background: var(--pri-dark); }

/* ===== 底部 ===== */
.t-footer {
  background: #1a2330;
  color: #99a3b0;
  padding: 32px 20px;
  text-align: center;
  font-size: 13px;
  margin-top: 40px;
}
.t-footer a { color: #99a3b0; text-decoration: none; margin: 0 6px; }
.t-footer a:hover { color: #fff; }

/* ===== 详情页 ===== */
.t-detail {
  background: var(--card);
  border-radius: 12px;
  padding: 36px 40px;
  max-width: 800px; margin: 0 auto;
  box-shadow: 0 1px 6px rgba(0,0,0,.05);
}
.t-detail h1 { font-size: 26px; margin: 0 0 12px; text-align: center; color: var(--pri); }
.t-detail .meta { color: var(--muted); text-align: center; font-size: 13px; margin-bottom: 28px; }
.t-detail .cert-card {
  background: linear-gradient(135deg, #f8fbff 0%, #eef4fa 100%);
  border: 1px solid var(--bd);
  border-radius: 12px;
  padding: 24px 28px;
  margin: 18px 0;
}
.t-detail .cert-row {
  display: flex; padding: 9px 0;
  border-bottom: 1px solid var(--bd);
}
.t-detail .cert-row:last-child { border: none; }
.t-detail .cert-row span { width: 110px; color: var(--muted); }
.t-detail .cert-row b { color: var(--pri); }

/* ===== 内容正文 ===== */
.t-content {
  background: var(--card);
  border-radius: 12px;
  padding: 28px 36px;
  line-height: 1.8;
  box-shadow: 0 1px 4px rgba(0,0,0,.04);
}
.t-content p { margin: 12px 0; }
.t-content h1, .t-content h2, .t-content h3 { color: var(--pri); }