/* 顶部导航栏 —— 以 style.css 中 .navbar-site 为基准，仅补充 CMS 特有样式 */

/* ========== 导航靠右对齐 ========== */
#header .navbar-collapse {
  align-items: center;
}

#header .navbar-collapse > ul.navbar-nav:not(.nav-login) {
  margin-left: auto !important;
  margin-inline-start: auto !important;
}

#header .navbar-collapse > ul.nav-login {
  margin-left: 0;
}

/* 菜单项 hover 背景增强（style.css 仅改 color，此处补充背景） */
#header .navbar-nav .nav-link:hover {
  background-color: var(--brand-100);
}

/* 首页透明态 hover */
body[data-page="home"] #header .navbar:not(.scrolled) .nav-link:hover {
  background-color: rgba(255, 255, 255, 0.15);
  color: #fff;
}

/* dropdown 菜单美化 */
#header .navbar-nav .dropdown-menu {
  border: 1px solid var(--bs-border-color);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  border-radius: 0.5rem;
  padding: 0.375rem;
  min-width: 160px;
}

#header .navbar-nav .dropdown-item {
  color: var(--bs-body-color);
  font-size: 0.875rem;
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
  transition: all 0.15s ease;
}

#header .navbar-nav .dropdown-item:hover {
  color:var(--bs-body-color);
  background-color: rgba(13, 110, 253, 0.06);
}
#header .navbar-nav .dropdown-item.active{
  color: #fff;
}
/* ========== logo 切换 ========== */
#header .navbar-brand img {
  filter: none;
}

#header .navbar-brand img.logo-white {
  filter: brightness(0) invert(1);
}

/* ========== 知识库按钮 ========== */
#header .btn-kb {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 1.15rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--brand);
  background: #fff;
  border: 1px solid #fff;
  border-radius: 999px;
  text-decoration: none;
  transition: all 0.25s ease;
  white-space: nowrap;
  line-height: 1.5;
}
#header .btn-kb:hover {
  background: var(--brand-100);
  color: var(--brand);
  border-color: var(--brand-100);
}

/* 首页透明态：知识库按钮白色 */
body[data-page="home"] #header .navbar:not(.scrolled) .btn-kb {
  background: #fff;
  color: var(--brand-700);
  border-color: #fff;
}
body[data-page="home"] #header .navbar:not(.scrolled) .btn-kb:hover {
  background: rgba(255, 255, 255, 0.9);
}

/* 滚动态/非首页：知识库按钮 */
body[data-page="home"] #header .navbar.scrolled .btn-kb,
body:not([data-page="home"]) #header .btn-kb {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}
body[data-page="home"] #header .navbar.scrolled .btn-kb:hover,
body:not([data-page="home"]) #header .btn-kb:hover {
  background: var(--brand-700);
  border-color: var(--brand-700);
}

/* nav-login 容器 */
#header .nav-login {
  margin-left: 0;
  flex: 0 0 auto;
}

/* 首页透明态折叠按钮 */
body[data-page="home"] #header .navbar:not(.scrolled) .navbar-toggler {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}

/* ===== 面包屑美化 ===== */
.cms-breadcrumb { 
  border-radius: 0.5rem;
  padding: 0.625rem 0;
  margin: 0 0 1.25rem 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  font-size: 0.875rem;
  flex-wrap: wrap;
}

.cms-breadcrumb .breadcrumb-item {
  display: flex;
  align-items: center;
}

.cms-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: #fff;
  opacity: 0.6; 
}

.cms-breadcrumb .breadcrumb-item a {
  color: var(--bs-secondary-color, #6c757d);
  text-decoration: none;
  transition: color 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.cms-breadcrumb .breadcrumb-item a:hover {
  color: var(--bs-primary, #0d6efd);
  text-decoration: none;
}

.cms-breadcrumb .breadcrumb-item.active a,
.cms-breadcrumb .breadcrumb-item.active {
  color: var(--bs-body-color, #212529);
  font-weight: 500;
  pointer-events: none;
}

.cms-breadcrumb .breadcrumb-item.active a {
  color: inherit;
}

.cms-breadcrumb .breadcrumb-item a span[class]:not(.text-muted) {
  opacity: 0.75;
}