/* ============================================================
   党建活动栏目页（party-building.html）
   页头 / 页脚沿用 home.css，这里只放本栏目页自己的样式，
   配色沿用 home.css 的变量（--red / --ink / --line / --bg-soft 等）
   ============================================================ */

/* 自带 hidden 属性的图片必须真正隐藏（灯箱用来存放同一动态的多张图） */
[hidden] { display: none !important; }
html { scroll-padding-top: 100px; }

/* ---------- 红色 Banner ---------- */
.pb-banner {
  background: linear-gradient(120deg, var(--red) 0%, var(--red-dark) 100%);
  color: #fff;
}
.pb-banner-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 40px;
  padding: 54px 0 84px;
}
.pb-crumb { font-size: 13px; color: rgba(255,255,255,.78); margin-bottom: 14px; letter-spacing: .5px; }
.pb-crumb a:hover { color: #fff; text-decoration: underline; }
.pb-banner h1 { font-size: 34px; font-weight: 700; letter-spacing: 3px; line-height: 1.3; }
.pb-banner p { margin-top: 12px; font-size: 15px; opacity: .92; max-width: 680px; }
.pb-btn {
  flex: none; background: #fff; color: var(--red);
  padding: 12px 34px; border-radius: 999px; font-weight: 600; letter-spacing: 2px;
  box-shadow: 0 6px 18px rgba(0,0,0,.16); transition: all .2s;
}
.pb-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,.22); }

/* ---------- 正文区 ---------- */
.pb-page { display: flow-root; background: var(--bg-soft); padding-bottom: 80px; font-size: 14px; }
.pb-page .wrap { width: min(1200px, 92%); margin: 0 auto; }

/* 数据看板：上浮压在 Banner 底边 */
.pb-page .stats {
  position: relative; z-index: 2;
  margin-top: -44px;
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  box-shadow: 0 14px 36px rgba(31,39,51,.08);
  padding: 30px 24px;
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.pb-page .stat {
  /* 看板数字是按钮：点击弹出明细 */
  display: block; width: 100%; text-align: center; padding: 8px 12px;
  background: none; border: 0; border-radius: 10px; font: inherit; color: inherit;
  cursor: pointer; transition: background .2s, transform .2s;
}
.pb-page .stat:hover { background: #FDF3F5; transform: translateY(-2px); }
.pb-page .stat:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }
.pb-page .stat-hint { margin-top: 6px; font-size: 12.5px; color: var(--red); opacity: .75; letter-spacing: 1px; }
.pb-page .stat:hover .stat-hint { opacity: 1; }
.pb-page .stat + .stat { border-left: 1px solid var(--line); }
.pb-page .stat-num { font-size: 36px; font-weight: 700; color: var(--red); line-height: 1.25; }
.pb-page .stat-num small { font-size: 16px; font-weight: 500; margin-left: 3px; }
.pb-page .stat-label { font-size: 13.5px; color: var(--ink-2); margin-top: 4px; letter-spacing: .5px; }

/* 区块标题（覆盖 home.css 里居中的 .sec-head） */
.pb-page .sec-head {
  display: flex; align-items: baseline; gap: 14px;
  text-align: left; max-width: none; margin: 56px 0 24px;
}
.pb-page .sec-head .bar { width: 4px; height: 22px; background: var(--red); border-radius: 2px; align-self: center; }
.pb-page .sec-head h2 { font-size: 24px; font-weight: 700; color: var(--ink); letter-spacing: 2px; }
.pb-page .sec-head span:not(.bar) { font-size: 13.5px; color: var(--gray); letter-spacing: .5px; }

/* ---------- 置顶要闻 ---------- */
.pb-page .feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.pb-page .feature-card {
  background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
  cursor: pointer; transition: box-shadow .25s, transform .25s;
}
.pb-page .feature-card:hover { box-shadow: 0 14px 34px rgba(31,39,51,.12); transform: translateY(-3px); }
.pb-page .feature-img { position: relative; aspect-ratio: 3 / 2; overflow: hidden; background: #EEF0F4; }
.pb-page .feature-img img {
  width: 100%; height: 100%; object-fit: cover; object-position: center 40%;
  transition: transform .5s;
}
.pb-page .feature-card:hover .feature-img img { transform: scale(1.03); }
.pb-page .feature-body { padding: 24px 28px 28px; }
.pb-page .feature-body h3 { font-size: 19px; line-height: 1.5; color: var(--ink); margin-top: 12px; }
.pb-page .feature-body p { margin-top: 10px; font-size: 14px; color: var(--ink-2); line-height: 1.85; }

/* ---------- 板块筛选 ---------- */
.pb-page .filters { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 26px; }
.pb-page .filter-btn {
  border: 1px solid var(--line); background: #fff; color: var(--ink-2);
  border-radius: 999px; padding: 8px 22px; font-size: 14px; letter-spacing: 1px;
  cursor: pointer; font-family: inherit; transition: all .2s;
}
.pb-page .filter-btn:hover { border-color: var(--red); color: var(--red); }
.pb-page .filter-btn.active { background: var(--red); border-color: var(--red); color: #fff; }

/* ---------- 动态卡片 ---------- */
.pb-page .card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pb-page .card {
  background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
  display: flex; flex-direction: column; cursor: pointer;
  transition: box-shadow .25s, transform .25s;
}
.pb-page .card:hover { box-shadow: 0 14px 34px rgba(31,39,51,.12); transform: translateY(-3px); }
.pb-page .card.hide { display: none; }
.pb-page .card-img { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: #EEF0F4; }
.pb-page .card-img img {
  width: 100%; height: 100%; object-fit: cover; object-position: center 35%;
  transition: transform .5s;
}
.pb-page .card:hover .card-img img { transform: scale(1.04); }
/* 证书、奖牌、海报、文件：完整显示，不裁切 */
.pb-page .card-img img.contain { object-fit: contain; object-position: center; }
.pb-page .card:hover .card-img img.contain { transform: scale(1.02); }
.pb-page .img-count {
  position: absolute; right: 12px; bottom: 12px; pointer-events: none;
  background: rgba(20,24,30,.66); color: #fff; font-size: 12px;
  border-radius: 6px; padding: 2px 10px; letter-spacing: .5px;
}
.pb-page .card-body { padding: 18px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.pb-page .card-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.pb-page .chip { font-size: 12px; border-radius: 4px; padding: 1px 9px; line-height: 1.7; letter-spacing: .5px; }
.pb-page .chip-cat { color: var(--red); background: #FDF0F2; border: 1px solid #F6D3D9; }
.pb-page .chip-unit { color: var(--ink-2); background: var(--bg-soft); border: 1px solid var(--line); }
.pb-page .card-date { font-size: 12.5px; color: var(--gray); letter-spacing: .5px; }
.pb-page .card-body h3 { font-size: 16.5px; line-height: 1.55; color: var(--ink); margin-top: 12px; }
.pb-page .card-body p { margin-top: 8px; font-size: 13.5px; color: var(--ink-2); line-height: 1.85; flex: 1; }

/* 不支持 aspect-ratio 的旧浏览器：退回固定高度 */
@supports not (aspect-ratio: 4 / 3) {
  .pb-page .card-img { height: 240px; }
  .pb-page .feature-img { height: 300px; }
}

/* ---------- 数据看板明细弹窗 ---------- */
.pb-modal {
  position: fixed; inset: 0; z-index: 900; padding: 24px;
  background: rgba(16,18,24,.6);
  display: none; align-items: center; justify-content: center;
}
.pb-modal.open { display: flex; }
.pb-modal-box {
  position: relative; width: min(860px, 100%); max-height: 86vh; overflow-y: auto;
  background: #fff; border-radius: 14px; padding: 34px 36px 32px;
  border-top: 5px solid var(--red);
  box-shadow: 0 24px 60px rgba(0,0,0,.28);
}
.pb-modal-close {
  position: absolute; top: 14px; right: 16px; width: 36px; height: 36px; border-radius: 8px;
  background: none; border: none; font-size: 30px; line-height: 1; color: var(--gray); cursor: pointer;
}
.pb-modal-close:hover { color: var(--red); background: var(--bg-soft); }
.pb-modal-close:focus { outline: none; }
.pb-modal-close:focus-visible { outline: 2px solid var(--red); outline-offset: 1px; }
.pb-modal-title { font-size: 22px; font-weight: 700; color: var(--ink); letter-spacing: 1.5px; padding-right: 40px; }
.pb-modal-body { margin-top: 6px; }
.pb-modal-sub { margin-bottom: 16px; font-size: 13.5px; color: var(--gray); }

.pb-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; }
.pb-table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 620px; }
.pb-table th { background: #F6F7FA; color: var(--ink); font-weight: 600; text-align: left; padding: 11px 14px; white-space: nowrap; }
.pb-table td { padding: 11px 14px; border-top: 1px solid var(--line); color: var(--ink-2); line-height: 1.6; }
.pb-table td:first-child, .pb-table th:first-child { width: 44px; text-align: center; color: var(--gray); }
.pb-table td:nth-child(2) { color: var(--ink); font-weight: 600; }
.pb-table td:last-child { white-space: nowrap; }
.pb-table tbody tr:hover { background: #FDF7F8; }

.pb-detail-group + .pb-detail-group { margin-top: 22px; }
.pb-detail-group h4 {
  font-size: 15.5px; color: var(--red); margin-bottom: 10px; padding-left: 10px;
  border-left: 3px solid var(--red); line-height: 1.2; letter-spacing: 1px;
}
.pb-detail-list { display: grid; gap: 10px; }
.pb-detail-list li {
  border: 1px solid var(--line); border-radius: 10px; padding: 14px 18px; background: #FBFBFD;
}
.pb-detail-main { font-size: 15.5px; font-weight: 600; color: var(--ink); line-height: 1.6; }
.pb-detail-main em { font-style: normal; font-weight: 400; font-size: 12.5px; color: var(--ink-2); background: var(--bg-soft); border: 1px solid var(--line); border-radius: 4px; padding: 0 8px; margin-left: 10px; }
.pb-detail-meta { margin-top: 4px; display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 13px; color: var(--gray); }
.pb-detail-desc { margin-top: 4px; font-size: 13.5px; color: var(--ink-2); line-height: 1.8; }

/* ---------- 灯箱 ---------- */
.pb-lightbox {
  position: fixed; inset: 0; z-index: 1000; padding: 40px;
  background: rgba(16,18,24,.9);
  display: none; align-items: center; justify-content: center;
}
.pb-lightbox.open { display: flex; }
.pb-lb-stage { max-width: 1000px; width: 100%; text-align: center; }
.pb-lb-stage img { max-width: 100%; max-height: 76vh; margin: 0 auto; border-radius: 8px; background: #fff; }
.pb-lb-cap { color: #EEF0F4; font-size: 14px; margin-top: 16px; letter-spacing: .5px; }
.pb-lb-count { color: #9AA3B2; font-size: 12.5px; margin-top: 4px; }
.pb-lb-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 46px; height: 46px; border-radius: 50%; border: none; cursor: pointer;
  background: rgba(255,255,255,.14); color: #fff; font-size: 22px; line-height: 1;
}
.pb-lb-btn:hover { background: rgba(255,255,255,.28); }
.pb-lb-prev { left: 28px; }
.pb-lb-next { right: 28px; }
.pb-lb-close {
  position: absolute; top: 20px; right: 30px; background: none; border: none;
  color: #fff; font-size: 34px; line-height: 1; cursor: pointer;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .pb-page .card-grid { grid-template-columns: repeat(2, 1fr); }
  .pb-page .feature-grid { grid-template-columns: 1fr; }
  .pb-page .stats { grid-template-columns: repeat(2, 1fr); gap: 18px 0; }
  .pb-page .stat:nth-child(3) { border-left: none; }
  .pb-banner-inner { flex-direction: column; align-items: flex-start; gap: 24px; padding: 40px 0 76px; }
  .pb-banner h1 { font-size: 28px; }
}
@media (max-width: 640px) {
  .pb-page .card-grid { grid-template-columns: 1fr; }
  .pb-page .stats { padding: 22px 12px; margin-top: -36px; }
  .pb-page .stat-num { font-size: 30px; }
  .pb-page .sec-head { flex-wrap: wrap; row-gap: 4px; margin-top: 44px; }
  .pb-page .feature-body { padding: 20px; }
  .pb-modal { padding: 12px; }
  .pb-modal-box { padding: 26px 18px 22px; }
  .pb-modal-title { font-size: 19px; }
  .pb-lightbox { padding: 16px; }
  .pb-lb-prev { left: 8px; }
  .pb-lb-next { right: 8px; }
}