/* header-unified.css
   统一 myaegis.net 所有【非首页】页面的顶部菜单栏：
   文字大小 / 颜色 / 字体 / 位置 + 左上角 LOGO 大小与位置。
   兼容两套 HTML 结构: .nav>.brand / .navbar>.nav-logo
   使用字面量颜色与 !important，确保覆盖各页面原有 nav 规则。
   设计基准: 站点主模板(类型A)的浅色 nav。
*/
.site-nav,
.nav,
.navbar {
  position: sticky !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  z-index: 100 !important;
  background: rgba(245,241,234,.92) !important;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
  border-bottom: 1px solid rgba(232,226,215,.6) !important;
  padding: 0 !important;
  box-shadow: none !important;
}

/* 类型A/C 内部容器(真正的 .wrap / .nav-inner): 居中 + 固定高度 */
.nav .wrap,
.nav-inner {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  height: 72px !important;
  max-width: 1200px !important;
  margin: 0 auto !important;
  padding: 0 20px !important;
}

/* 类型B: .navbar 同时是背景载体与内容容器(选油助手/产品中心等)
   背景须铺满到浏览器左右边缘; 内容用左右 padding 居中, 与 1200px 容器视觉一致 */
.navbar {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  height: 72px !important;
  width: 100% !important;
  max-width: none !important;
  margin: 0 !important;
  padding-left: max(20px, calc((100% - 1200px) / 2)) !important;
  padding-right: max(20px, calc((100% - 1200px) / 2)) !important;
  box-sizing: border-box !important;
}

/* LOGO 统一: 56px 高, 左对齐, 与文字垂直居中 */
.brand,
.nav-logo {
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
}
.brand img,
.nav-logo img {
  height: 56px !important;
  width: auto !important;
  display: block !important;
  filter: none !important;
}

/* 导航链接统一: 字体 / 字号 / 颜色 / 间距 */
.nav-links {
  display: flex !important;
  align-items: center !important;
  gap: 32px !important;
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
  font-family: 'Inter','Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif !important;
  font-size: 14px !important;
  font-weight: 500 !important;
  letter-spacing: .2px !important;
  color: #4a5568 !important;
}
.nav-links a {
  color: #4a5568 !important;
  font-size: 14px !important;
  font-weight: 500 !important;
  letter-spacing: .2px !important;
  text-decoration: none !important;
  font-family: 'Inter','Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif !important;
  position: relative !important;
  transition: color .2s !important;
  white-space: nowrap !important;
}
.nav-links a:hover {
  color: #0f1f3d !important;
}
.nav-links a::after {
  content: '' !important;
  position: absolute !important;
  left: 0 !important;
  bottom: -4px !important;
  width: 0 !important;
  height: 2px !important;
  background: #c8102e !important;
  transition: width .25s ease !important;
}
.nav-links a:hover::after {
  width: 100% !important;
}

/* CTA 按钮统一: 海军蓝底 + 纯白文字 */
.nav-cta {
  background: #0f1f3d !important;
  color: #ffffff !important;
  padding: 10px 22px !important;
  border-radius: 30px !important;
  font-size: 14px !important;
  font-weight: 500 !important;
  text-decoration: none !important;
  border: none !important;
  opacity: 1 !important;
  font-family: 'Inter','Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif !important;
  transition: background .2s, transform .2s !important;
  cursor: pointer !important;
}
/* 鼠标悬停: 按钮整体变为美益红, 文字保持纯白 */
.nav-cta:hover {
  background: #c8102e !important;
  transform: translateY(-1px) !important;
}

/* 移动端菜单按钮统一 */
.menu-btn {
  display: none !important;
  background: none !important;
  border: none !important;
  font-size: 24px !important;
  color: #0f1f3d !important;
  cursor: pointer !important;
}

/* 移动端(<860px)统一抽屉式展开 */
@media (max-width: 860px) {
  .nav-links,
  .navbar .nav-links {
    display: none !important;
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
    right: 0 !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0 !important;
    background: rgba(245,241,234,.98) !important;
    padding: 12px 20px 24px !important;
    border-bottom: 1px solid rgba(232,226,215,.6) !important;
    box-shadow: 0 12px 30px rgba(0,0,0,.05) !important;
  }
  .nav-links.open {
    display: flex !important;
  }
  .nav-links a {
    padding: 12px 0 !important;
    width: 100% !important;
    border-bottom: 1px solid rgba(232,226,215,.6) !important;
  }
  .nav-links a::after {
    display: none !important;
  }
  .nav-cta {
    display: inline-block !important;
    margin-top: 12px !important;
  }
  .menu-btn {
    display: block !important;
  }
}