/* 由 php/tools/build-assets.cjs 生成，请勿手改。
   改动样式请改 client/src 下对应的 .vue / .css 源文件后重新执行生成脚本。
   注意：这里按组件作用域重建了选择器（等价于 Vue 的 <style scoped>），
   对应 class 已经写在各模板的根元素上，挪动模板时不要漏掉。 */

/* ---- components/SiteNav.vue  →  作用域 .site-nav ---- */
.nav.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border 0.3s ease, box-shadow 0.3s ease;
}
.nav.site-nav.scrolled {
  border-bottom: 1px solid var(--line);
  box-shadow: 0 4px 20px rgba(20, 20, 20, 0.06);
}
.site-nav .nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}
.site-nav .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.site-nav .logo-img {
  height: 34px;
  width: auto;
  display: block;
}
.site-nav .brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.site-nav .brand-text strong {
  font-size: 17px;
  letter-spacing: 0.5px;
}
.site-nav .brand-text small {
  font-size: 11px;
  color: var(--gray);
  letter-spacing: 0.5px;
}
.site-nav .links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.site-nav .link {
  position: relative;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  border-radius: 8px;
  transition: color 0.2s ease;
  display: flex;
  align-items: center;
  gap: 4px;
}
.site-nav .link:hover { color: var(--brand); }
.site-nav .link.active { color: var(--brand); }
.site-nav .has-drop { position: relative; display: flex; align-items: center; }
.site-nav .link-label {
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  border-radius: 8px;
  transition: color 0.2s ease;
  display: flex;
  align-items: center;
  gap: 4px;
}
.site-nav .link-label:hover { color: var(--brand); }
.site-nav .has-drop.active .link-label { color: var(--brand); }
.site-nav .caret { font-size: 11px; }
.site-nav .dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 6px;
  min-width: 240px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 8px;
}
.site-nav .drop-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 14px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--ink);
  transition: background 0.15s ease;
}
.site-nav .drop-item:hover { background: var(--gray-bg); color: var(--brand); }
.site-nav .drop-count {
  font-size: 12px;
  color: var(--gray-light);
}
.site-nav .actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.site-nav .lang {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 20px;
  transition: all 0.2s ease;
}
.site-nav .lang:hover { border-color: var(--brand); color: var(--brand); }
.site-nav .hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 9px;
  background: none;
  border: none;
  align-items: center;
  justify-content: center;
}
.site-nav .hamburger span {
  width: 22px;
  height: 2px;
  background: var(--ink);
  transition: all 0.3s ease;
}
.site-nav .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-nav .hamburger.open span:nth-child(2) { opacity: 0; }
.site-nav .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.site-nav .mobile-menu {
  display: none;
  flex-direction: column;
  padding: 8px 20px 24px;
  border-top: 1px solid var(--line);
  background: #fff;
}
.site-nav .m-link {
  padding: 13px 4px;
  font-size: 16px;
  font-weight: 500;
  border-bottom: 1px solid var(--gray-bg);
}
.site-nav .m-link.sub {
  font-size: 14px;
  font-weight: 400;
  color: var(--gray);
  padding-left: 12px;
}
.site-nav .m-divider { height: 12px; }
.site-nav .drop-enter-active, .site-nav .drop-leave-active { transition: opacity 0.2s ease; }
.site-nav .drop-enter-from, .site-nav .drop-leave-to { opacity: 0; }

@media (max-width: 900px) {
  .site-nav .links { display: none; }
  .site-nav .hamburger { display: flex; }
  .site-nav .mobile-menu { display: flex; }
  /* 平板/窄屏：导航压低一档，品牌副标题先收起来 */
.site-nav .nav-inner { height: 64px; gap: 12px; }
  .site-nav .brand { min-width: 0; }
  .site-nav .brand-text small { display: none; }
}

/* 手机（≤640px）：只保留 logo。
   品牌全称在窄屏会把右侧 .actions（语言按钮 + 汉堡）挤出视口 —— 实测 375px 下
   中文品牌名溢出 16px、英文 "Muchuang Automation" 溢出 69px，进而把整个文档撑宽
   （连带 position:fixed 的浮动咨询条也一起偏到屏幕外）。品牌识别交给 logo 即可。 */
@media (max-width: 640px) {
  .site-nav .brand-text { display: none; }
  .site-nav .nav-inner { height: 56px; gap: 10px; }
  .site-nav .logo-img { height: 30px; }
  .site-nav .brand { padding: 4px 0; }                /* logo 只有 30px 高，补内边距把可点区抬到 ≥36px */
.site-nav .actions { gap: 8px; flex-shrink: 0; }
  .site-nav .lang { padding: 0 13px; font-size: 12.5px; min-height: 36px; display: inline-flex; align-items: center; }
  .site-nav .hamburger { width: 44px; height: 44px; padding: 11px; }  /* 触摸目标 ≥44px */
.site-nav .mobile-menu { padding: 4px 16px 20px; }
  .site-nav .m-link { padding: 14px 4px; }
}