/* 资讯列表 / 详情页 — 顶栏与 Banner（独立于落地页菜单样式） */

.news-site-header {
  position: sticky;
  top: 0;
  z-index: 600;
  background: #fff;
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.06), 0 4px 16px rgba(15, 23, 42, 0.04);
}

.news-site-header:has(.news-mobile-nav.open) {
  z-index: 9999;
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.06), 0 10px 28px rgba(15, 23, 42, 0.1);
}

.news-site-header .inner {
  position: relative;
}

/* ── 移动端菜单按钮 ── */
.news-mobile-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid #dfe3ea;
  border-radius: 10px;
  background: #f7f8fa;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.news-mobile-nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 1px;
  background: #334155;
  transition: transform 0.22s ease, opacity 0.22s ease, background 0.2s ease;
}

.news-site-header:has(.news-mobile-nav.open) .news-mobile-nav-toggle {
  background: #2b5cff;
  border-color: #2b5cff;
  box-shadow: 0 4px 12px rgba(43, 92, 255, 0.28);
}

.news-site-header:has(.news-mobile-nav.open) .news-mobile-nav-toggle span {
  background: #fff;
}

.news-site-header:has(.news-mobile-nav.open) .news-mobile-nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.news-site-header:has(.news-mobile-nav.open) .news-mobile-nav-toggle span:nth-child(2) {
  opacity: 0;
}

.news-site-header:has(.news-mobile-nav.open) .news-mobile-nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── 移动端全宽菜单面板 ── */
.news-mobile-nav {
  display: none;
  width: 100%;
  background: #fff;
  border-top: 1px solid #eef1f6;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

.news-mobile-nav.open {
  display: block;
}

.news-mobile-nav-inner {
  padding: 0.35rem 0.75rem 0.65rem;
}

.news-mobile-nav .nav-item {
  display: block;
  padding: 0.72rem 0.85rem;
  margin: 0;
  font-size: 14px;
  line-height: 1.35;
  color: #334155;
  text-decoration: none;
  border-radius: 10px;
  transition: background 0.18s ease, color 0.18s ease;
}

.news-mobile-nav .nav-item + .nav-item {
  margin-top: 0.15rem;
}

.news-mobile-nav .nav-item:hover,
.news-mobile-nav .nav-item:focus-visible {
  background: #f3f6ff;
  color: #2b5cff;
}

.news-mobile-nav .nav-item.active {
  background: linear-gradient(90deg, #fff4ed 0%, #fff 100%);
  color: #d85a20;
  font-weight: 600;
}

/* ── Banner ── */
article .news-page-banner {
  width: 100%;
  height: auto;
  padding: 0;
  margin: 0;
  background: #efefef;
  overflow: hidden;
}

article .news-page-banner img {
  display: block;
  width: 100%;
  height: 180px;
  object-fit: cover;
  object-position: center 42%;
}

@media (max-width: 768px) {
  .news-site-header .inner {
    min-height: 58px !important;
    padding: 0.55rem 0.85rem !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    width: 100% !important;
    grid-template-columns: unset !important;
    grid-template-rows: unset !important;
  }

  .news-site-header .inner .logo {
    flex: 1;
    min-width: 0;
  }

  .news-site-header .inner .logo img,
  .news-site-header .inner .logo .hp a img {
    width: auto;
  }

  .news-site-header .inner .logo p {
    display: none;
  }

  .news-site-header .search-container {
    display: none;
  }

  .news-mobile-nav-toggle {
    display: flex;
  }

  article .news-page-banner {
    display: none !important;
  }
}

@media (min-width: 769px) {
  .news-mobile-nav-toggle,
  .news-mobile-nav {
    display: none !important;
  }

  article .news-page-banner img {
    max-height: 200px;
  }
}