/* 顶栏布局：Logo | 导航 | 语言+登录注册 */
#header {
  --mf-header-h: 64px;
  --xq-pop-shadow: 0 0 12px rgba(15, 23, 42, 0.1);
}
#header #logoAndNav.xq-header-bar,
#header .xq-header-bar {
  background: #fff !important;
  border-bottom: 1px solid #eef1f6 !important;
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.02);
}
#header .xq-header-nav {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 64px;
  height: 64px;
  padding: 0;
  flex-wrap: nowrap;
}
#header .xq-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  margin-right: 28px;
  line-height: 0;
}
#header .xq-logo img {
  width: auto !important;
  height: 32px;
  max-height: 32px;
  padding: 0 !important;
  object-fit: contain;
}

/* 桌面：导航居中偏左伸展 */
@media (min-width: 768px) {
  #header #navBar.navbar-collapse {
    display: flex !important;
    flex: 1 1 auto;
    align-items: center;
    height: auto !important;
    visibility: visible !important;
    pointer-events: auto !important;
    position: static !important;
    overflow: visible !important;
    max-height: none !important;
  }
  #header .main-navbar-nav {
    display: flex !important;
    flex: 1 1 auto;
    align-items: center;
    margin: 0 !important;
    padding: 0;
  }
  #header .main-navbar-nav > .nav-item {
    margin: 0 2px;
  }
  #header .main-navbar-nav > .nav-item > .nav-link,
  #header .main-navbar-nav > .nav-item > .custom-nav-link {
    padding: 8px 12px !important;
    font-size: 14px !important;
    font-weight: 500;
    color: #4b5563 !important;
    line-height: 1.4;
    border-radius: 0;
    background: transparent !important;
    transition: color 0.18s ease;
  }
  /* 仅蓝色文字：悬停 / 展开 / 当前页 */
  #header .main-navbar-nav > .nav-item > .nav-link:hover,
  #header .main-navbar-nav > .nav-item > .custom-nav-link:hover,
  #header .main-navbar-nav > .nav-item > .nav-link:focus,
  #header .main-navbar-nav > .nav-item > .custom-nav-link:focus,
  #header .main-navbar-nav > .nav-item.show > .nav-link,
  #header .main-navbar-nav > .nav-item.show > .custom-nav-link,
  #header .main-navbar-nav > .nav-item.active > .nav-link,
  #header .main-navbar-nav > .nav-item.active > .custom-nav-link,
  #header .main-navbar-nav > .nav-item.xq-nav-current > .nav-link,
  #header .main-navbar-nav > .nav-item.xq-nav-current > .custom-nav-link {
    color: #3b82f6 !important;
    background: transparent !important;
  }
  #header .main-navbar-nav > .nav-item > .nav-link[href="/groupbuy.html"],
  #header .main-navbar-nav > .nav-item > a[href="/groupbuy.html"],
  #header .main-navbar-nav > .nav-item > a[href*="groupbuy"] {
    color: #ef4444 !important;
  }
  #header .main-navbar-nav > .nav-item > .nav-link[href="/groupbuy.html"]:hover,
  #header .main-navbar-nav > .nav-item > a[href="/groupbuy.html"]:hover,
  #header .main-navbar-nav > .nav-item.xq-nav-current > a[href*="groupbuy"] {
    color: #ef4444 !important;
    background: transparent !important;
  }
  #header .xq-header-actions {
    margin-left: 12px;
  }
  #header .mobile-split-nav {
    display: none !important;
  }
}

/* 统一下拉：白底细边 + 轻阴影（订购/帮助/条款/语言） */
@media (min-width: 768px) {
  #header .main-navbar-nav > .nav-item > .dropdown-menu,
  #header .xq-lang > .dropdown-menu {
    padding: 6px 0 !important;
    margin-top: 4px !important;
    border: 1px solid #e6eefc !important;
    border-radius: 10px !important;
    background: #fff !important;
    box-shadow: var(--xq-pop-shadow) !important;
    text-align: left !important;
  }
  /* 导航下拉：宽度随内容，不固定 */
  #header .main-navbar-nav > .nav-item > .dropdown-menu {
    min-width: 10rem;
    width: max-content;
    max-width: min(520px, 92vw);
  }
  #header .main-navbar-nav .dropdown-item,
  #header .main-navbar-nav a.dropdown-item {
    padding: 8px 14px !important;
    font-size: 14px !important;
    font-weight: 400;
    color: #334155 !important;
    background: transparent !important;
    border: none !important;
    line-height: 1.4;
  }
  #header .main-navbar-nav .dropdown-item:hover,
  #header .main-navbar-nav a.dropdown-item:hover,
  #header .main-navbar-nav .dropdown-item:focus,
  #header .main-navbar-nav a.dropdown-item:focus,
  #header .main-navbar-nav a.dropdown-item.xq-nav-current {
    background: transparent !important;
    color: #3b82f6 !important;
  }
  /* 帮助新闻 / 服务条款：统一 15px */
  #header #menu-help + .dropdown-menu .dropdown-item,
  #header #menu-terms + .dropdown-menu .dropdown-item {
    padding: 9px 18px !important;
    font-size: 15px !important;
    line-height: 1.5;
  }
  #header .main-navbar-nav .dropdown-divider {
    margin: 4px 0;
    border-top-color: #eef1f6;
  }
  /* 订购产品分组标题 */
  #header .main-navbar-nav .dropdown-menu > ul.dropdown-item {
    display: block;
    margin: 4px 0 2px !important;
    padding: 6px 14px !important;
    background: #f3f6fb !important;
    color: #64748b !important;
    font-size: 15px !important;
    font-weight: 600;
    pointer-events: none;
  }
  #header .main-navbar-nav .dropdown-menu > ul.dropdown-item li {
    font-size: 15px !important;
    font-weight: 600;
  }

  /* —— 订购产品 Mega：宽度 + 左右 padding 与 header .container 一致 —— */
  #header .xq-header-bar {
    position: relative;
    overflow: visible;
  }
  #header .xq-header-bar > .container {
    position: relative !important;
    --xq-pad-x: 15px; /* 与 Bootstrap .container 左右 padding 一致 */
  }
  #header .xq-header-nav,
  #header .xq-header-nav.navbar,
  #header .xq-header-actions {
    position: static !important;
  }
  #header .xq-nav-product {
    position: static;
  }
  #header .main-navbar-nav > .xq-nav-product > .dropdown-menu.xq-mega {
    position: absolute !important;
    top: 100% !important;
    left: var(--xq-pad-x, 15px) !important;
    right: var(--xq-pad-x, 15px) !important;
    width: auto !important;
    max-width: none !important;
    min-width: 0 !important;
    margin-top: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    border-radius: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    transform: translateY(-8px) !important;
    transform-origin: top center;
    overflow: visible;
    z-index: 1040;
    box-sizing: border-box;
  }
  #header .xq-nav-product.show > .dropdown-menu.xq-mega,
  #header .xq-nav-product > .dropdown-menu.xq-mega.show {
    transform: translateY(0) !important;
  }
  #header .xq-mega-inner {
    margin: 6px 0 0;
    width: 100%;
    max-width: none;
    background: #fff;
    border: 1px solid #e6eefc;
    border-radius: 14px;
    box-shadow: var(--xq-pop-shadow);
    overflow: hidden;
    box-sizing: border-box;
  }

  /* —— 帮助/条款/语言：与订购产品同下落效果，贴 header 底边 —— */
  #header .xq-nav-flyout,
  #header .xq-lang {
    position: static;
  }
  #header .main-navbar-nav > .xq-nav-flyout > .dropdown-menu.xq-flyout,
  #header .xq-lang > .dropdown-menu.xq-flyout {
    position: absolute !important;
    top: 100% !important;
    left: 0;
    right: auto !important;
    width: max-content !important;
    min-width: 0 !important;
    max-width: min(320px, 92vw) !important;
    margin-top: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    border-radius: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    transform: translateY(-8px) !important;
    transform-origin: top center;
    overflow: visible;
    z-index: 1040;
  }
  #header .xq-nav-flyout.show > .dropdown-menu.xq-flyout,
  #header .xq-nav-flyout > .dropdown-menu.xq-flyout.show,
  #header .xq-lang.show > .dropdown-menu.xq-flyout,
  #header .xq-lang > .dropdown-menu.xq-flyout.show {
    transform: translateY(0) !important;
  }
  #header .xq-flyout-inner {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    width: max-content;
    min-width: 10.5rem;
    margin: 6px 0 0;
    padding: 8px;
    background: #fff;
    border: 1px solid #e6eefc;
    border-radius: 14px;
    box-shadow: var(--xq-pop-shadow);
    overflow: hidden;
  }
  #header .xq-flyout-inner--end {
    align-items: stretch;
  }
  #header .xq-flyout-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 8px;
    color: #334155 !important;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.4;
    white-space: nowrap;
    text-decoration: none !important;
    transition: color .15s ease, background .15s ease;
  }
  #header .xq-flyout-ico {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 7px;
    background: rgba(59, 130, 246, 0.08);
    color: #3b82f6;
  }
  #header .xq-flyout-ico svg {
    width: 15px;
    height: 15px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
  }
  #header .xq-flyout-link:hover,
  #header .xq-flyout-link:focus,
  #header .xq-flyout-link.xq-nav-current {
    color: #3b82f6 !important;
    background: rgba(59, 130, 246, 0.08);
  }
  #header .xq-flyout-link:hover .xq-flyout-ico,
  #header .xq-flyout-link.xq-nav-current .xq-flyout-ico,
  #header .xq-flyout-link:hover .xq-flyout-code,
  #header .xq-flyout-link.xq-nav-current .xq-flyout-code {
    background: rgba(59, 130, 246, 0.14);
  }
  #header .xq-mega-body {
    display: grid;
    grid-template-columns: 200px minmax(0, 1fr);
    min-height: 280px;
    max-height: min(68vh, 520px);
  }
  #header .xq-mega-cats {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 14px 10px;
    background: #f7f9fc;
    border-right: 1px solid #eef1f6;
    overflow-y: auto;
  }
  #header .xq-mega-cat {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    margin: 0;
    padding: 10px 12px;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: #475569;
    font-size: 14px;
    font-weight: 600;
    text-align: left;
    line-height: 1.35;
    cursor: pointer;
    outline: none !important;
    box-shadow: none !important;
    -webkit-tap-highlight-color: transparent;
    transition: background .15s ease, color .15s ease;
  }
  #header .xq-mega-cat:hover,
  #header .xq-mega-cat:focus,
  #header .xq-mega-cat:focus-visible,
  #header .xq-mega-cat:active {
    outline: none !important;
    box-shadow: none !important;
  }
  #header .xq-mega-cat-ico {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    color: #7a8ba6;
  }
  #header .xq-mega-cat-ico svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
  }
  #header .xq-mega-cat:hover {
    color: #3b82f6;
    background: rgba(59, 130, 246, 0.06);
  }
  #header .xq-mega-cat:hover .xq-mega-cat-ico {
    color: #3b82f6;
  }
  #header .xq-mega-cat.is-active {
    color: #3b82f6;
    background: rgba(59, 130, 246, 0.1);
  }
  #header .xq-mega-cat.is-active .xq-mega-cat-ico {
    color: #3b82f6;
  }
  #header .xq-mega-panes {
    position: relative;
    min-width: 0;
    overflow: hidden;
  }
  #header .xq-mega-pane {
    display: none;
    height: 100%;
    padding: 16px 18px;
    overflow-y: auto;
  }
  #header .xq-mega-pane.is-active {
    display: block;
  }
  #header .xq-mega-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }
  #header .xq-mega-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 12px;
    border: 1px solid #eef1f6;
    border-radius: 10px;
    background: #fff;
    text-decoration: none !important;
    color: #1f2937 !important;
    transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
  }
  #header .xq-mega-card:hover {
    border-color: #c9daff;
    background: #f8fbff;
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.08);
    color: #3b82f6 !important;
  }
  #header .xq-mega-flag {
    flex-shrink: 0;
    width: 28px;
    height: auto;
    border: 1px solid #ced1e2;
    border-radius: 3px;
    object-fit: cover;
  }
  #header .xq-mega-card-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    min-width: 0;
  }
  #header .xq-mega-card-name {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.35;
  }
  #header .xq-mega-badge {
    display: inline-flex;
    align-items: center;
    padding: 1px 7px;
    border-radius: 4px;
    background: #12b76a;
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    line-height: 1.5;
  }
  #header .xq-mega-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 18px;
    border-top: 1px solid #eef1f6;
    background: #fafbfd;
  }
  #header .xq-mega-foot-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
  }
  #header .xq-mega-foot-links a {
    color: #64748b !important;
    font-size: 13px;
    font-weight: 500;
    text-decoration: none !important;
  }
  #header .xq-mega-foot-links a:hover {
    color: #3b82f6 !important;
  }
  #header .xq-mega-cta {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    border-radius: 8px;
    background: #3b82f6;
    color: #fff !important;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none !important;
    transition: background .15s ease;
  }
  #header .xq-mega-cta:hover {
    background: #3b82f6;
    color: #fff !important;
  }
}
@media (min-width: 1100px) {
  #header .xq-mega-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* 右侧操作区 */
#header .xq-header-actions {
  display: flex;
  align-items: center !important;
  align-self: center;
  gap: 10px;
  flex-shrink: 0;
  margin-left: auto;
  height: auto !important;
  min-height: 0 !important;
}
#header .xq-lang {
  list-style: none;
  margin: 0;
  padding: 0;
  border: none !important;
  width: max-content;
}
@media (max-width: 767.98px) {
  #header .xq-lang {
    position: static !important;
  }
}
@media (min-width: 768px) {
  #header .xq-lang {
    position: static !important;
  }
}
#header .xq-lang > .dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 4px !important;
  font-size: 13px !important;
  font-weight: 500;
  color: #4b5563 !important;
  background: transparent !important;
  border: none !important;
  border-radius: 0;
  line-height: 1.4;
  white-space: nowrap;
}
#header .xq-lang > .dropdown-toggle:hover,
#header .xq-lang > .dropdown-toggle:focus,
#header .xq-lang.show > .dropdown-toggle {
  color: #3b82f6 !important;
  background: transparent !important;
  border-radius: 0;
}
#header .xq-lang.lang9 {
  margin-top: 0 !important;
}
/* 语言代码：CN / HK / EN，电脑手机同一套 */
#header .xq-lang .xq-flyout-code {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: rgba(59, 130, 246, 0.08);
  color: #3b82f6;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1;
}
/* 手机端语言：贴在整条 header 底边下方，与电脑端一致 */
@media (max-width: 767.98px) {
  #header,
  #header .xq-header-bar,
  #header .xq-header-bar > .container,
  #header .xq-header-nav,
  #header .xq-header-actions {
    overflow: visible;
  }
  #header .xq-header-bar {
    position: relative;
  }
  #header .xq-header-bar > .container {
    position: relative !important;
  }
  #header .xq-header-nav,
  #header .xq-header-nav.navbar,
  #header .xq-header-actions,
  #header .xq-lang {
    position: static !important;
  }
  #header .xq-lang {
    z-index: 1050;
  }
  #header .xq-lang > .dropdown-menu.xq-flyout {
    position: absolute !important;
    top: 100% !important;
    left: auto;
    right: 12px;
    min-width: 0 !important;
    width: max-content !important;
    max-width: min(320px, calc(100vw - 24px)) !important;
    margin-top: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    border-radius: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    transform: translateY(-8px) !important;
    transform-origin: top right;
    overflow: visible;
    z-index: 1050;
    box-sizing: border-box;
  }
  #header .xq-lang.show > .dropdown-menu.xq-flyout,
  #header .xq-lang > .dropdown-menu.xq-flyout.show {
    transform: translateY(0) !important;
  }
  #header .xq-lang .xq-flyout-inner {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    width: max-content;
    min-width: 10.5rem;
    margin: 6px 0 0;
    padding: 8px;
    background: #fff;
    border: 1px solid #e6eefc;
    border-radius: 14px;
    box-shadow: var(--xq-pop-shadow);
    overflow: hidden;
  }
  #header .xq-lang .xq-flyout-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 8px;
    color: #334155 !important;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.4;
    white-space: nowrap;
    text-decoration: none !important;
  }
  #header .xq-lang .xq-flyout-link:hover,
  #header .xq-lang .xq-flyout-link:focus,
  #header .xq-lang .xq-flyout-link.xq-nav-current {
    color: #3b82f6 !important;
    background: rgba(59, 130, 246, 0.08);
  }
  #header .xq-lang .xq-flyout-link:hover .xq-flyout-code,
  #header .xq-lang .xq-flyout-link.xq-nav-current .xq-flyout-code {
    background: rgba(59, 130, 246, 0.14);
  }
}

/* 桌面登录注册：蓝底按钮，上下留白不顶满 */
#header .xq-auth {
  display: none;
  align-items: center;
  align-self: center;
  height: auto;
}
@media (min-width: 768px) {
  #header .xq-auth {
    display: flex !important;
  }
}
#header .xq-auth-dl {
  display: inline-flex;
  align-items: center;
  align-self: center;
  height: auto !important;
  max-height: 36px !important;
  margin: 0;
  padding: 7px 14px;
  font-size: 14px;
  font-weight: 500;
  color: #fff !important;
  background: #3b82f6 !important;
  border-radius: 4px;
  text-decoration: none !important;
  line-height: 1.3;
  white-space: nowrap;
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  box-sizing: border-box;
}
#header .xq-auth-dl:hover,
#header .xq-auth-dl:focus {
  color: #fff !important;
  background: #3b82f6 !important;
  text-decoration: none !important;
  outline: none !important;
  box-shadow: none !important;
}
@media (max-width: 767.98px) {
  #header .xq-auth-dl {
    border-radius: 5px;
  }
}

#header .navbar-toggler {
  margin: 0 0 0 4px !important;
}

/* 手机顶栏 */
@media (max-width: 767.98px) {
  #header .xq-header-nav {
    min-height: 64px;
    height: 64px;
    padding: 0 4px;
  }
  #header .xq-logo {
    margin-right: 8px;
  }
  #header .xq-logo img {
    height: 32px;
    max-height: 32px;
  }
  #header #logoAndNav > .container {
    padding-left: 12px;
    padding-right: 12px;
    --xq-pad-x: 12px;
  }
  #header {
    --mf-header-h: 64px;
  }
}

/* 页面顶距对齐新顶栏高度 */
.main-with-padding {
  padding-top: 64px !important;
}
@media (max-width: 767.98px) {
  .main-with-padding {
    padding-top: 64px !important;
  }
}