/* P4B: /login mobile-portrait single-column fix. Additive, non-build.
   仅命中登录卡片(唯一同时带 grid-template-columns 与 860px 的内联元素),
   仅 <=767px 生效; 失败只回到现状, 不影响登录。 */
@media (max-width: 767px){
  div[style*="grid-template-columns"][style*="860px"]{
    grid-template-columns:1fr !important;
  }
}

/* P4D-FIX1: hide the two left trial buttons before first paint (no flicker) */
[style*="48px 44px"][style*="column"][style*="space-between"] button,
[style*="48px 44px"][style*="column"][style*="space-between"] [style*="all 0.2s"]{display:none!important}