/* ========== 往届回顾子页面 ========== */
.pb-history {
    padding: 4rem 0;
    background: #fff;
  }
  
  /* 标题区（沿用全站风格） */
  .pb-history .title-box {
    text-align: center;
    margin-bottom: 2rem;
  }
  .pb-history .title-info {
    display: inline-flex;
    align-items: center;
    gap: 12px;
  }
  .pb-history .title-info img { height: 26px; }
  .pb-history .title-info span {
    font-size: 2rem;
    font-weight: bold;
    margin: 0 1rem;
    color: #2f308a;
  }
  .pb-history .title-sub {
    font-size: 1.1rem;
    color: #999;
    margin-top: 0.5rem;
    letter-spacing: .5px;
  }
  
  /* 网格布局（容器宽度与站点统一） */
  .section-box {
    width: 1200px;
    max-width: 90%;
    margin: 0 auto;
  }
  .pb-history .history-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
  @media (max-width: 767px) {
    .pb-history .history-grid { grid-template-columns: 1fr; }
  }
  
  /* 卡片 */
  .pb-history .history-card {
    display: block;
    border-radius: 14px;
    overflow: hidden;
    background: #fff;
    border: 1px solid rgba(0,0,0,0.06);
    box-shadow: 0 10px 24px rgba(0,0,0,0.06);
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    text-decoration: none;
    color: inherit;
  }
  .pb-history .history-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 36px rgba(0,0,0,0.10);
    border-color: rgba(0,0,0,0.12);
  }
  
  /* 封面图 */
  .pb-history .history-cover {
    position: relative;
    aspect-ratio: 16/9;
    background: #f5f7fb;
  }
  .pb-history .history-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }
  
  /* 左上角“往届”角标 */
  .pb-history .history-badge {
    position: absolute;
    left: 12px; top: 12px;
    background: rgba(47, 48, 138, 0.92);
    color: #fff;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 0.88rem;
    letter-spacing: 0.3px;
    box-shadow: 0 6px 14px rgba(0,0,0,0.18);
  }
  
  /* 文本区 */
  .pb-history .history-info {
    padding: 14px 16px 16px;
  }
  .pb-history .history-title {
    font-size: 1.05rem;
    line-height: 1.45;
    color: #222;
    font-weight: 700;
    margin: 0 0 6px;
  }
  .pb-history .history-place {
    color: #555;
    font-size: 0.95rem;
  }
  
  /* 兼容老浏览器不支持 aspect-ratio 的情况（可选） */
  @supports not (aspect-ratio: 16/9) {
    .pb-history .history-cover { height: 0; padding-bottom: 56.25%; }
    .pb-history .history-cover img { position: absolute; left: 0; top: 0; width: 100%; height: 100%; }
  }