.contact-float {
  --contact-float-top: 60vh;
  --contact-surface: var(--bg-surface, var(--bg-elev, #ffffff));
  --contact-surface-soft: var(--bg-surface-2, var(--surface-2, var(--bg-card, #f5f7fb)));
  --contact-text: var(--text-primary, var(--text, #111827));
  --contact-muted: var(--text-secondary, var(--text-soft, #64748b));
  --contact-border: var(--border-color, var(--border, #e5e7eb));
  --contact-brand: var(--primary-start, var(--color-primary, var(--brand-1, #1677ff)));
  position: fixed;
  top: var(--contact-float-top);
  right: max(2px, env(safe-area-inset-right));
  z-index: 2147482000;
  direction: ltr;
  color: var(--contact-text);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.4;
}

.contact-float,
.contact-float * {
  box-sizing: border-box;
}

.contact-float__stack {
  display: grid;
  gap: 7px;
  padding: 7px;
  border: 1px solid var(--contact-border);
  border-radius: 14px 0 0 14px;
  background: var(--contact-surface);
  box-shadow: 0 12px 36px rgba(15, 23, 42, 0.2);
}

.contact-float__item {
  position: relative;
}

.contact-float__item::before {
  content: "";
  position: absolute;
  top: 0;
  right: 100%;
  width: 14px;
  height: 100%;
}

.contact-float__btn {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 10px;
  background: var(--contact-surface-soft);
  color: var(--contact-text);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.contact-float__btn:hover,
.contact-float__btn:focus-visible,
.contact-float__item.is-open .contact-float__btn {
  border-color: var(--contact-brand);
  color: var(--contact-brand);
  outline: none;
  transform: translateY(-1px);
}

.contact-float__mark {
  display: grid;
  place-items: center;
  min-width: 28px;
  height: 28px;
  padding: 0 4px;
  border-radius: 8px;
  background: var(--contact-brand);
  color: #ffffff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.contact-float__mark--wechat {
  background: #07c160;
  font-size: 15px;
}

.contact-float__mark--mini {
  background: #0bb86c;
  font-size: 15px;
}

.contact-float__panel {
  --contact-panel-shift: 0px;
  position: absolute;
  top: 50%;
  right: calc(100% + 13px);
  width: max-content;
  max-width: calc(100vw - 82px);
  max-height: calc(100vh - 24px);
  padding: 14px;
  overflow: visible;
  border: 1px solid var(--contact-border);
  border-radius: 12px;
  background: var(--contact-surface);
  color: var(--contact-text);
  box-shadow: 0 12px 36px rgba(15, 23, 42, 0.22);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(8px, calc(-50% + var(--contact-panel-shift))) scale(0.98);
  transform-origin: right center;
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
}

.contact-float__panel::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -8px;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 8px solid var(--contact-surface);
  transform: translateY(-50%);
}

.contact-float__item:focus-within .contact-float__panel,
.contact-float__item.is-open .contact-float__panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(0, calc(-50% + var(--contact-panel-shift))) scale(1);
}

@media (hover: hover) {
  .contact-float__item:hover .contact-float__panel {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translate(0, calc(-50% + var(--contact-panel-shift))) scale(1);
  }
}

.contact-float__panel-title {
  display: block;
  margin-bottom: 10px;
  color: var(--contact-text);
  font-size: 14px;
  font-weight: 800;
}

.contact-float__panel--qq {
  display: grid;
  gap: 8px;
  width: min(234px, calc(100vw - 82px));
}

.contact-float__person,
.contact-float__copy {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 48px;
  padding: 7px 10px;
  border: 1px solid var(--contact-border);
  border-radius: 9px;
  background: var(--contact-surface-soft);
  color: var(--contact-text);
  font: inherit;
  text-align: left;
  text-decoration: none;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.contact-float__person:hover,
.contact-float__person:focus-visible,
.contact-float__copy:hover,
.contact-float__copy:focus-visible {
  border-color: var(--contact-brand);
  outline: none;
  transform: translateY(-1px);
}

.contact-float__person img {
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  background: #ffffff;
}

.contact-float__person span {
  display: grid;
  min-width: 0;
  line-height: 1.25;
}

.contact-float__person b {
  overflow: hidden;
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.contact-float__person small {
  color: var(--contact-muted);
  font-size: 12px;
}

.contact-float__hint {
  min-height: 18px;
  color: var(--contact-muted);
  font-size: 11px;
  font-style: normal;
  text-align: center;
  opacity: 0;
  transition: opacity 0.18s ease;
}

.contact-float__hint.is-active {
  opacity: 1;
}

.contact-float__copy {
  justify-content: center;
  min-height: 40px;
  color: var(--contact-text);
  text-align: center;
  cursor: pointer;
}

.contact-float__panel--qr {
  width: min(184px, calc(100vw - 82px));
  text-align: center;
}

.contact-float__qr-frame {
  display: grid;
  place-items: center;
  width: 156px;
  max-width: 100%;
  margin: 0 auto;
  padding: 3px;
  border-radius: 8px;
  background: #ffffff;
}

.contact-float__qr-frame img {
  display: block;
  width: 150px;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: contain;
}

.contact-float__qr-tip {
  margin: 8px 0 0;
  color: var(--contact-muted);
  font-size: 12px;
}

@media (max-width: 560px) {
  .contact-float {
    right: max(4px, env(safe-area-inset-right));
  }

  .contact-float__stack {
    gap: 5px;
    padding: 6px;
    border-radius: 12px 0 0 12px;
  }

  .contact-float__btn {
    width: 40px;
    height: 40px;
  }

  .contact-float__panel {
    right: calc(100% + 10px);
    max-width: calc(100vw - 70px);
  }

  .contact-float__panel--qq {
    width: min(224px, calc(100vw - 70px));
  }

  .contact-float__panel--qr {
    width: min(180px, calc(100vw - 70px));
  }
}

@media (max-height: 440px) {
  .contact-float__panel {
    overflow-x: hidden;
    overflow-y: auto;
  }

  .contact-float__panel::after {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .contact-float *,
  .contact-float *::before,
  .contact-float *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}