.ups-pwa-install-chip,
.ups-pwa-update,
.ups-pwa-network,
.ups-pwa-modal {
  box-sizing: border-box;
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}

.ups-pwa-install-chip {
  position: fixed;
  right: max(14px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 1600;
  display: flex;
  align-items: center;
  gap: 2px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 999px;
  background: #285c3b;
  box-shadow: 0 10px 28px rgba(20, 55, 37, 0.27);
}

.field-shell ~ .ups-pwa-install-chip,
body:has(.field-shell) .ups-pwa-install-chip,
.ups-pwa-field .ups-pwa-install-chip {
  bottom: calc(78px + env(safe-area-inset-bottom));
}

.ups-pwa-install-chip button {
  min-height: 40px;
  border: 0;
  color: #fff;
  background: transparent;
  cursor: pointer;
}

.ups-pwa-install-action {
  padding: 0 10px 0 16px;
  font-size: 14px;
  font-weight: 700;
}

.ups-pwa-install-dismiss {
  width: 36px;
  padding: 0;
  font-size: 20px;
  opacity: 0.78;
}

.ups-pwa-network {
  position: fixed;
  top: max(8px, env(safe-area-inset-top));
  left: 50%;
  z-index: 1900;
  max-width: calc(100vw - 28px);
  padding: 8px 14px;
  transform: translateX(-50%);
  border: 1px solid #e7c46f;
  border-radius: 999px;
  color: #5e4306;
  background: #fff5d6;
  box-shadow: 0 6px 18px rgba(91, 67, 12, 0.14);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
}

.ups-pwa-update {
  position: fixed;
  right: 16px;
  bottom: calc(16px + env(safe-area-inset-bottom));
  left: 16px;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  max-width: 560px;
  margin: 0 auto;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  color: #fff;
  background: #173b28;
  box-shadow: 0 14px 38px rgba(16, 42, 28, 0.3);
}

.ups-pwa-update div {
  display: grid;
  gap: 3px;
}

.ups-pwa-update strong {
  font-size: 15px;
}

.ups-pwa-update span {
  color: #dceccf;
  font-size: 12px;
  line-height: 1.45;
}

.ups-pwa-update-action,
.ups-pwa-help-close {
  flex: 0 0 auto;
  min-height: 38px;
  padding: 0 15px;
  border: 0;
  border-radius: 10px;
  color: #173b28;
  background: #dceccf;
  font-weight: 800;
  cursor: pointer;
}

.ups-pwa-modal {
  position: fixed;
  inset: 0;
  z-index: 2100;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(13, 32, 22, 0.58);
  backdrop-filter: blur(5px);
}

.ups-pwa-modal section {
  width: min(100%, 420px);
  padding: 26px;
  border-radius: 22px;
  color: #243d2d;
  background: #fff;
  box-shadow: 0 22px 64px rgba(11, 36, 22, 0.3);
}

.ups-pwa-modal img {
  width: 68px;
  height: 68px;
  border-radius: 16px;
  box-shadow: 0 6px 18px rgba(40, 92, 59, 0.2);
}

.ups-pwa-modal h2 {
  margin: 14px 0 8px;
  color: #173b28;
  font-size: 21px;
}

.ups-pwa-modal p,
.ups-pwa-modal li {
  font-size: 14px;
  line-height: 1.7;
}

.ups-pwa-modal ol {
  margin: 10px 0 14px;
  padding-left: 22px;
}

.ups-pwa-help-note {
  padding: 10px 12px;
  border-radius: 10px;
  color: #466452;
  background: #f1f6ed;
}

.ups-pwa-help-close {
  width: 100%;
  margin-top: 6px;
  color: #fff;
  background: #285c3b;
}

.ups-pwa-standalone .ups-pwa-install-chip {
  display: none !important;
}

@media (max-width: 520px) {
  .ups-pwa-install-chip {
    right: 10px;
  }

  .ups-pwa-update {
    align-items: stretch;
  }

  .ups-pwa-update-action {
    min-width: 88px;
  }

  .ups-pwa-modal {
    align-items: end;
    padding: 10px;
  }

  .ups-pwa-modal section {
    padding: 22px 20px calc(22px + env(safe-area-inset-bottom));
    border-radius: 22px 22px 16px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ups-pwa-install-chip,
  .ups-pwa-update,
  .ups-pwa-modal {
    scroll-behavior: auto;
  }
}