/* ============================================================
   MeetBG shared site chrome (header + footer structure layer)
   颜色由 theme-*.css 覆盖；本文件只负责结构布局
   ============================================================ */
header{display:flex;align-items:center;justify-content:space-between;padding:20px 52px;gap:20px}
.logo{display:block}
.logo img{height:34px;width:auto;display:block}
header nav{display:flex;align-items:center;gap:30px;font-size:14px}
header nav a{text-decoration:none}
footer{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:26px 52px;font-size:12.5px}
@media(max-width:800px){
  header{padding:12px 16px;flex-direction:column;gap:10px}
  header nav{gap:14px;flex-wrap:wrap;justify-content:center}
  footer{padding:22px 20px;flex-direction:column}
}