/* V88：仅增强“展开”入口，并在导航栏展开时隐藏。 */
.v86-nav-expand-control,
.v87-nav-expand-control,
.v88-nav-expand-control {
  font-size: 28px !important;
  font-weight: 900 !important;
  line-height: 1 !important;
  letter-spacing: .08em !important;
  min-width: 98px !important;
  min-height: 58px !important;
  padding: 12px 16px !important;

  margin-left: max(32px, env(safe-area-inset-left)) !important;
  transform: translateX(18px) !important;

  z-index: 99999 !important;
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
}

.v86-nav-expand-control svg,
.v86-nav-expand-control img,
.v86-nav-expand-control .icon,
.v86-nav-expand-control i,
.v87-nav-expand-control svg,
.v87-nav-expand-control img,
.v87-nav-expand-control .icon,
.v87-nav-expand-control i,
.v88-nav-expand-control svg,
.v88-nav-expand-control img,
.v88-nav-expand-control .icon,
.v88-nav-expand-control i {
  width: 34px !important;
  height: 34px !important;
  min-width: 34px !important;
  font-size: 34px !important;
  opacity: 1 !important;
}

/* 导航栏展开时，彻底隐藏“展开”入口 */
html.v88-nav-open .v88-nav-expand-control,
html.v88-nav-open .v87-nav-expand-control,
html.v88-nav-open .v86-nav-expand-control {
  display: none !important;
}