.huaxi-customer-service {
  --service-navy: #04152d;
  --service-panel: rgba(5, 23, 48, 0.98);
  --service-cyan: #20d7f2;
  --service-gold: #e5bc62;
  --service-text: #f5f8ff;
  --service-muted: #aabbd2;
  position: fixed;
  right: max(22px, env(safe-area-inset-right));
  bottom: max(24px, env(safe-area-inset-bottom));
  z-index: 9998;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

.huaxi-service-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 20px;
  border: 1px solid rgba(115, 224, 255, 0.55);
  border-radius: 999px;
  color: var(--service-text);
  background:
    linear-gradient(135deg, rgba(17, 69, 113, 0.98), rgba(4, 24, 52, 0.98)) padding-box,
    linear-gradient(120deg, var(--service-cyan), var(--service-gold)) border-box;
  box-shadow: 0 16px 42px rgba(0, 10, 28, 0.34), 0 0 24px rgba(32, 215, 242, 0.16);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.huaxi-service-toggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 48px rgba(0, 10, 28, 0.42), 0 0 32px rgba(32, 215, 242, 0.24);
}

.huaxi-service-toggle:focus-visible,
.huaxi-service-panel a:focus-visible,
.huaxi-service-close:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 3px;
}

.huaxi-service-icon {
  width: 22px;
  height: 22px;
  flex: none;
}

.huaxi-service-presence {
  position: relative;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #55e89a;
  box-shadow: 0 0 0 5px rgba(85, 232, 154, 0.13), 0 0 16px rgba(85, 232, 154, 0.7);
}

.huaxi-service-panel {
  position: absolute;
  right: 0;
  bottom: 68px;
  width: min(360px, calc(100vw - 32px));
  overflow: hidden;
  border: 1px solid rgba(110, 203, 236, 0.34);
  border-radius: 22px;
  color: var(--service-text);
  background:
    radial-gradient(circle at 10% 0%, rgba(32, 215, 242, 0.14), transparent 42%),
    radial-gradient(circle at 100% 100%, rgba(229, 188, 98, 0.12), transparent 40%),
    var(--service-panel);
  box-shadow: 0 28px 70px rgba(0, 7, 22, 0.48);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px) scale(0.98);
  transform-origin: right bottom;
  transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
}

.huaxi-customer-service.is-open .huaxi-service-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.huaxi-service-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 24px 24px 18px;
  border-bottom: 1px solid rgba(155, 198, 226, 0.16);
}

.huaxi-service-eyebrow {
  display: block;
  margin-bottom: 7px;
  color: var(--service-cyan);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.huaxi-service-head strong {
  display: block;
  font-size: 20px;
  line-height: 1.35;
}

.huaxi-service-head p,
.huaxi-service-body p {
  margin: 7px 0 0;
  color: var(--service-muted);
  font-size: 13px;
  line-height: 1.7;
}

.huaxi-service-close {
  width: 34px;
  height: 34px;
  flex: none;
  border: 1px solid rgba(166, 198, 224, 0.24);
  border-radius: 50%;
  color: #dce8f7;
  background: rgba(255, 255, 255, 0.05);
  cursor: pointer;
  font: 22px/1 system-ui, sans-serif;
}

.huaxi-service-body {
  padding: 20px 24px 24px;
}

.huaxi-service-qr {
  display: grid;
  grid-template-columns: 122px 1fr;
  gap: 17px;
  align-items: center;
  margin-bottom: 18px;
}

.huaxi-service-qr img {
  width: 122px;
  height: 122px;
  padding: 7px;
  border-radius: 14px;
  background: #fff;
  object-fit: contain;
}

.huaxi-service-qr strong {
  display: block;
  font-size: 16px;
  line-height: 1.45;
}

.huaxi-service-primary,
.huaxi-service-phone {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 47px;
  border-radius: 12px;
  text-decoration: none !important;
  font-size: 15px;
  font-weight: 800;
}

.huaxi-service-primary {
  color: #031126 !important;
  background: linear-gradient(110deg, #69e8f7, #dfc27f);
}

.huaxi-service-phone {
  margin-top: 10px;
  border: 1px solid rgba(149, 191, 221, 0.28);
  color: #dce8f7 !important;
  background: rgba(255, 255, 255, 0.04);
}

.huaxi-service-note {
  display: block;
  margin-top: 14px;
  color: #8499b4;
  font-size: 11px;
  line-height: 1.6;
  text-align: center;
}

@media (max-width: 640px) {
  .huaxi-customer-service {
    right: max(14px, env(safe-area-inset-right));
    bottom: max(16px, env(safe-area-inset-bottom));
  }

  .huaxi-service-toggle {
    min-height: 50px;
    padding: 0 17px;
    font-size: 14px;
  }

  .huaxi-service-panel {
    position: fixed;
    right: 12px;
    bottom: calc(max(16px, env(safe-area-inset-bottom)) + 62px);
    left: 12px;
    width: auto;
  }

  .huaxi-service-head {
    padding: 21px 20px 16px;
  }

  .huaxi-service-body {
    padding: 18px 20px 21px;
  }

  .huaxi-service-qr {
    grid-template-columns: 96px 1fr;
  }

  .huaxi-service-qr img {
    width: 96px;
    height: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .huaxi-service-toggle,
  .huaxi-service-panel {
    transition: none;
  }
}

@media print {
  .huaxi-customer-service {
    display: none !important;
  }
}