/* Header 组件样式 */
.header {
  background-color: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 80px;
  display: flex;
  align-items: center;
}

.header-container {
  width: 100%;
  max-width: var(--max-width-container);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  font-weight: 600;
  color: var(--text-primary);
  gap: 0;
}

.header-logo img {
  height: 40px;
  width: auto;
  margin-right: 0;
}

.header-logo .brand-text {
  color: #E60012;
  font-size: 24px;
  font-weight: 700;
  margin-left: 0;
  letter-spacing: 2px;
}

.header-logo .brand-text sup {
  font-size: 14px;
  vertical-align: super;
  margin-left: 2px;
}

.header-nav {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-xl);
  position: relative;
}

.header-nav > li {
  position: relative;
}

.header-nav a {
  color: var(--text-primary);
  text-decoration: none;
  font-size: var(--font-size-lg);
  transition: color var(--transition-fast);
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  white-space: nowrap;
}

/* 有二级菜单的菜单项样式 */
.header-nav .has-submenu > a {
  /* 已通过 display: flex 和下拉箭头图标实现视觉区分 */
}

/* 下拉箭头图标动画 */
.header-nav .has-submenu > a i {
  font-size: 12px;
  transition: transform var(--transition-fast);
  margin-left: 4px;
  flex-shrink: 0;
}

.header-nav .has-submenu:hover > a i {
  transform: rotate(180deg);
}

/* 二级菜单样式 */
.header-submenu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  list-style: none;
  margin: 0;
  padding: var(--spacing-md);
  min-width: 200px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  
  /* 默认隐藏，通过 hover 显示 */
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  margin-top: var(--spacing-sm);
  z-index: 999;
}

/* 右侧菜单的二级菜单从右对齐 */
.header-nav > li:nth-last-child(-n+3) > .header-submenu:not(.enterprise-menu):not(.industrial-menu):not(.warsoul-menu) {
  left: auto;
  right: 0;
}

/* 企业级菜单宽度和列布局 */
.header-submenu.enterprise-menu {
  min-width: 340px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.2rem;
  padding: var(--spacing-md);
}

.header-submenu.enterprise-menu > li {
  border: none;
  padding: 0;
  display: flex;
  flex-direction: column;
}

/* 工业级菜单宽度和列布局 */
.header-submenu.industrial-menu {
  min-width: 485px;
  max-height: 600px;
  overflow-y: auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.2rem;
  padding: var(--spacing-md);
}

.header-submenu.industrial-menu > li {
  border: none;
  padding: 0;
  display: flex;
  flex-direction: column;
}

/* 战魂级菜单宽度和列布局 */
.header-submenu.warsoul-menu {
  min-width: 340px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.2rem;
  padding: var(--spacing-md);
}

.header-submenu.warsoul-menu > li {
  border: none;
  padding: 0;
  display: flex;
  flex-direction: column;
}

/* 二级菜单项基础样式 */
.header-submenu > li {
  border-bottom: none;
  padding: 0;
  margin: 0;
}

.header-submenu > li:last-child {
  border-bottom: none;
}

/* 区分有子菜单和无子菜单的二级菜单 */
.header-submenu > li:has(> ul) {
  /* 分组菜单项 */
}

.header-submenu > li:has(> a) {
  /* 简单菜单项（无分组） */
  border-bottom: 1px solid var(--border-light);
}

/* 分组标题样式 */
.header-submenu > li > strong {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md) var(--spacing-sm) 0;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background-color: transparent;
  margin: 0 0 var(--spacing-sm) 0;
  border-bottom: 1px solid var(--border-light);
}

/* 分组下的子列表 */
.header-submenu > li > ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.header-submenu > li > ul > li {
  border: none;
  padding: 0;
  margin: 0;
}

.header-submenu > li > ul > li > a {
  display: flex;
  flex-direction: column;
  padding: var(--spacing-sm) 0;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 13px;
  transition: all var(--transition-fast);
  border-left: none;
  line-height: 1.4;
  gap: 2px;
  align-items: flex-start;
  text-align: left;
}

.header-submenu > li > ul > li > a span:first-child {
  font-weight: 500;
  color: var(--text-primary);
}

.header-submenu > li > ul > li > a span.desc {
  font-size: 11px;
  color: var(--text-light);
  font-weight: 400;
}

.header-submenu > li > ul > li > a:hover {
  color: var(--primary-color);
  background-color: transparent;
  border-left: none;
  padding-left: 0;
}

.header-submenu > li > ul > li > a:hover span.desc {
  color: var(--text-secondary);
}

/* 简单菜单项（无分组） */
.header-submenu a {
  display: flex;
  flex-direction: column;
  padding: var(--spacing-md) 0;
  color: var(--text-primary);
  text-decoration: none;
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
  gap: 0;
  border-bottom: 1px solid var(--border-light);
  gap: 4px;
  align-items: flex-start;
  text-align: left;
}

.header-submenu a span:first-child {
  font-weight: 500;
  color: var(--text-primary);
}

.header-submenu a span.desc {
  font-size: 12px;
  color: var(--text-light);
  font-weight: 400;
}

.header-submenu a:hover {
  color: var(--primary-color);
  background-color: transparent;
  padding-left: 0;
}

.header-submenu a:hover span.desc {
  color: var(--text-secondary);
}

.header-submenu > li:last-child > a {
  border-bottom: none;
}

/* Hover 时显示二级菜单 */
.header-nav .has-submenu:hover .header-submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.header-nav a:hover {
  color: var(--primary-color);
}

.header-nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width var(--transition-fast);
}

.header-nav a:hover::after {
  width: 100%;
}

.header-nav a.active {
  color: var(--primary-color);
}

.header-nav a.active::after {
  width: 100%;
}

.header-right {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.header-search {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.header-search input {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
}

.header-user {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.header-user-info {
  /* display由auth.css控制，默认隐藏，登录后显示 */
  flex-direction: column;
  font-size: var(--font-size-sm);
}

.header-user-info .name {
  font-weight: 600;
  color: var(--text-primary);
}

.header-user-info .role {
  color: var(--text-light);
}

/* 移动菜单按钮 */
.header-mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: var(--font-size-2xl);
}

@media (max-width: 768px) {
  .header {
    height: 70px;
  }
  
  .header-nav {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    gap: 0;
  }
  
  .header-nav.active {
    display: flex;
  }
  
  .header-nav li {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
  }
  
  .header-nav a {
    font-size: var(--font-size-base);
  }
  
  /* 移动端二级菜单样式 */
  .header-submenu {
    position: static;
    opacity: 0;
    visibility: hidden;
    max-height: 0;
    overflow: hidden;
    transform: none;
    box-shadow: none;
    border: none;
    background-color: var(--bg-light);
    margin-top: 0;
    transition: all var(--transition-fast);
  }
  
  .header-submenu li {
    padding: var(--spacing-md) 0 var(--spacing-md) var(--spacing-lg);
    border-bottom: none;
  }
  
  .header-submenu a {
    padding: var(--spacing-sm) 0;
  }
  
  /* 移动端二级菜单展开 */
  .header-nav .has-submenu.active .header-submenu {
    opacity: 1;
    visibility: visible;
    max-height: 500px;
  }
  
  .header-mobile-toggle {
    display: block;
  }
  
  .header-search {
    display: none;
  }
}