.sh-sp {
  position: fixed;
  left: 22px;
  bottom: 24px;
  z-index: 9990;
  max-width: min(420px, calc(100vw - 32px));
  pointer-events: none;
  font-family: "Inter", "Poppins", system-ui, sans-serif;
}
.sh-sp-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: #fff;
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  box-shadow: 0 14px 44px rgba(15, 23, 42, .16);
  opacity: 0;
  transform: translateY(14px) scale(.98);
  transition: opacity .35s ease, transform .35s ease;
  pointer-events: auto;
}
.sh-sp-card.is-in {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.sh-sp-card.is-out {
  opacity: 0;
  transform: translateY(8px) scale(.98);
}
.sh-sp-avatar {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  color: #fff;
  background: linear-gradient(145deg, #5A52FF, #0EA5E9);
}
.sh-sp-body { min-width: 0; line-height: 1.4; }
.sh-sp-body strong {
  display: block;
  font-size: 15.5px;
  color: #0f172a;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sh-sp-body span {
  display: block;
  font-size: 14px;
  color: #64748B;
  margin-top: 3px;
}
.sh-sp-time {
  display: block !important;
  font-size: 12.5px !important;
  color: #94A3B8 !important;
  margin-top: 5px !important;
  font-weight: 600;
}
.sh-sp-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #22C55E;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, .22);
  flex-shrink: 0;
  margin-left: auto;
  align-self: flex-start;
  margin-top: 4px;
}
@media (max-width: 560px) {
  .sh-sp { left: 12px; right: 12px; bottom: 14px; max-width: none; }
}