/* ============================================================
   DaiWAF 企业站 · 论坛列表页（论坛首页 / 板块页共用）
   结构：页头 → 布局 → 板块树 → 工具条 → 帖子行 → 广告位 → 响应式
   徽章/分页公共样式见 common.css
   ============================================================ */

/* ---------------- 页头 ---------------- */
.forum-head { padding-top: 104px; }
.forum-head h1 { font-size: 26px; font-weight: 800; }
.forum-head .ph-sub { font-size: 13px; color: var(--text-sub); margin-top: 6px; }
.fh-top { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.forum-toolbar {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 22px;
  flex-wrap: wrap;
}
.forum-head .forum-toolbar { margin-top: 0; }
.forum-search {
  flex: 1;
  max-width: 440px;
  display: flex;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
  background: var(--bg);
}
.forum-search input { flex: 1; border: none; background: none; padding: 0 18px; font-size: 14px; outline: none; }
.forum-search button {
  width: 58px;
  border: none;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  font-size: 15px;
}

/* ---------------- 布局 ---------------- */
.forum-layout {
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr);
  gap: 24px;
  /* 只设上下内边距，左右保留 .container 的 24px */
  padding-top: 28px;
  padding-bottom: 64px;
}
.forum-main { min-width: 0; }

/* ---------------- 板块树 ---------------- */
.board-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 10px;
  position: sticky;
  top: 88px;
  align-self: start;
  min-width: 0;
}
.board-card h4 { font-size: 12px; color: var(--text-light); padding: 6px 14px 10px; letter-spacing: .06em; }
.board-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 14px;
  color: var(--text-sub);
  transition: background .2s, color .2s;
}
.board-item .bi-name { display: inline-flex; align-items: center; gap: 8px; min-width: 0; }
.board-item .bi-name .b-ico { display: inline-flex; flex: none; color: var(--text-light); }
.board-item.on .bi-name .b-ico { color: var(--primary); }
.board-item .bi-name span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.board-item i { font-style: normal; font-size: 12px; color: var(--text-light); flex: none; }
.board-item:hover { background: var(--bg); color: var(--primary); }
.board-item.on { background: #EAF0FF; color: var(--primary); font-weight: 600; }
.board-item.on i { color: var(--primary); }

/* ---------------- 工具条 ---------------- */
.list-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px 14px;
  margin-bottom: 12px;
}
.list-total { font-size: 12px; color: var(--text-light); flex-shrink: 0; }
.post-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.post-tab {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 13px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text-sub);
  transition: all .2s;
}
.post-tab:hover { color: var(--primary); border-color: rgba(43, 107, 255, .4); }
.post-tab.on { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }

/* ---------------- 帖子行 ---------------- */
.post-list { display: flex; flex-direction: column; gap: 12px; }
.post-row {
  display: flex;
  gap: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.post-row:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); border-color: rgba(43, 107, 255, .35); }
.post-avatar {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, #2B6BFF, #22D3EE);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
  font-size: 15px;
}
.post-main { flex: 1; min-width: 0; }
.post-title { font-size: 15px; font-weight: 700; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.post-title a { color: var(--text); }
.post-title a:hover { color: var(--primary); }
.post-excerpt {
  font-size: 13px;
  color: var(--text-sub);
  margin-top: 6px;
  line-height: 1.6;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.post-meta { display: flex; gap: 16px; font-size: 12px; color: var(--text-light); margin-top: 10px; flex-wrap: wrap; }
.post-nums {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: 11px;
  color: var(--text-light);
  flex-shrink: 0;
  min-width: 52px;
}
.post-nums b { font-size: 16px; color: var(--text); font-variant-numeric: tabular-nums; }

/* ---------------- 广告位（SSR 直出，右上角「广告」角标） ---------------- */
.ad-slot {
  position: relative;
  margin: 18px 0;
  border-radius: 12px;
  border: 1px solid #DCE7FB;
  background: linear-gradient(135deg, #F0F6FF, #F0FBFF);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.ad-slot .ad-tag {
  position: absolute;
  top: -9px; right: 14px;
  background: #94A3B8;
  color: #fff;
  font-size: 10.5px;
  padding: 2px 9px;
  border-radius: 999px;
}
.ad-slot .ad-ico {
  flex: none;
  width: 42px; height: 42px;
  border-radius: 11px;
  background: linear-gradient(135deg, #2B6BFF, #22D3EE);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ad-slot .ad-ico svg { width: 22px; height: 22px; }
.ad-slot .ad-main { flex: 1; min-width: 0; }
.ad-slot .ad-title { font-size: 14px; font-weight: 700; color: var(--text); }
.ad-slot .ad-desc { font-size: 12.5px; color: var(--text-sub); margin-top: 3px; line-height: 1.5; }
.ad-slot .ad-cta { flex: none; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1024px) {
  .forum-layout { grid-template-columns: 1fr; }
  /* 手机端板块树改为横向药丸列表 */
  .board-card { position: static; display: flex; flex-wrap: wrap; gap: 6px; padding: 10px; }
  .board-card h4 { width: 100%; }
  .board-item { width: auto; padding: 7px 14px; border: 1px solid var(--line); border-radius: 999px; }
  .board-item i { display: none; }
}
@media (max-width: 640px) {
  .forum-head { padding-top: 88px; }
  .forum-head h1 { font-size: 20px; }
  .fh-top { flex-direction: column; align-items: stretch; gap: 14px; }
  .forum-toolbar { flex-direction: column; align-items: stretch; }
  .forum-search input { height: 42px; }
  .forum-toolbar .btn { justify-content: center; }
  .forum-layout { grid-template-columns: 1fr; gap: 14px; padding-top: 20px; }
  .board-card h4 { width: 100%; padding: 4px 6px 8px; }
  .board-item { padding: 7px 12px; font-size: 13px; }
  .list-bar { flex-wrap: wrap; }
  .list-total { width: 100%; order: 9; padding-left: 4px; }
  .ad-slot { flex-wrap: wrap; }
  .ad-slot .ad-cta { width: 100%; }
  .post-row { padding: 14px 12px; gap: 10px; }
  .post-avatar { width: 34px; height: 34px; border-radius: 10px; font-size: 15px; }
  .post-nums { display: none; }
  .post-title a { font-size: 14.5px; }
  .post-excerpt {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    white-space: normal;
  }
  .post-meta { flex-wrap: wrap; gap: 4px 10px; }
}