/* 模块标题形成轻量标题带；顶部主菜单及筛选控件保持各自职责。 */
.page > .section > .sectionhead,
.page > .section:has(> .module-timebar[hidden]) > .sectionhead {
  min-height:68px; margin:-22px -22px 16px; padding:15px 22px;
  border-bottom:1px solid #e5edf8; border-radius:10px 10px 0 0;
  background:linear-gradient(105deg,#f2f7ff 0%,#f9fbff 46%,#fff 85%);
  gap:12px 18px;
}
.page > .section > .sectionhead .titlegroup {
  display:flex; align-items:center; gap:10px; min-width:0;
}
.page > .section > .sectionhead .titlegroup:not(:has(> .ai-logo))::before {
  content:''; flex:0 0 4px; width:4px; height:19px;
  border-radius:3px; background:#1677ff;
}
.page > .section > .sectionhead h2 {
  color:#203652; font-size:19px; font-weight:600; line-height:1.45;
}
.page > .section > .sectionhead .ai-logo {
  display:inline-flex; align-items:center; justify-content:center;
  height:26px; padding:0 7px; border:1px solid #d5e6ff;
  border-radius:6px; background:#e8f2ff; color:#1677ff;
  font-size:12px; box-shadow:none;
}
.page > .section > .sectionhead .module-header-time { gap:10px; }
.page > .section > .sectionhead > .link { font-size:12px; }
@media(max-width:700px) {
  .page > .section > .sectionhead,
  .page > .section:has(> .module-timebar[hidden]) > .sectionhead {
    margin:-22px -22px 14px; padding:15px 22px;
  }
  .page > .section > .sectionhead h2 { font-size:18px; }
}

/* 横向 AI 标签：蓝紫渐变叠加局部高光，保持尺寸与文字清晰。 */
#ai > .sectionhead .ai-title-label {
  display:inline-flex; flex:0 0 52px; align-items:center; justify-content:center;
  width:52px; height:28px; padding:0; border:0; border-radius:5px;
  background:
    radial-gradient(ellipse at 10% 0%,rgba(117,227,255,.55),transparent 58%),
    radial-gradient(ellipse at 100% 100%,rgba(237,156,255,.35),transparent 58%),
    linear-gradient(120deg,#1677ed 0%,#5360eb 48%,#8649d9 100%);
  color:#fff; font-size:14px; font-weight:700;
  line-height:28px; letter-spacing:1px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35),
    inset 0 0 0 1px rgba(255,255,255,.16),0 2px 6px rgba(91,83,200,.2);
}