.float-kefu {
  position: fixed;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* 单个按钮 */
.float-kefu .miukefu-item,
.float-kefu .miukefu-top {
  position: relative;
  list-style: none;
}

.float-kefu .miukefu-link,
.float-kefu .miukefu-top {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: #ffffff;
  color: #4b5563;
  box-shadow: 0 6px 18px rgba(31, 45, 61, 0.12);
  cursor: pointer;
  text-decoration: none;
  transition: color .25s, background .25s, transform .25s, box-shadow .25s;
}
.float-kefu .miukefu-link:hover,
.float-kefu .miukefu-top:hover {
  color: #ffffff;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  box-shadow: 0 8px 22px rgba(99, 102, 241, 0.4);
  transform: translateX(-4px);
}
.float-kefu .miukefu-link svg,
.float-kefu .miukefu-top svg {
  width: 22px;
  height: 22px;
  pointer-events: none;
}
.float-kefu .miukefu-link .miukefu-icon { display: flex; }

/* 左侧悬停提示文字 */
.float-kefu .miukefu-tip {
  position: absolute;
  right: calc(100% + 14px);
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  padding: 7px 14px;
  border-radius: 8px;
  background: rgba(17, 24, 39, 0.85);
  color: #fff;
  font-size: 13px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .25s, transform .25s, visibility .25s;
}
.float-kefu .miukefu-link:hover .miukefu-tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(0);
}
.float-kefu .miukefu-tip::after {
  content: "";
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: rgba(17, 24, 39, 0.85);
}

/* 左侧弹出面板（二维码 / 电话） */
.float-kefu .miukefu-pop {
  position: absolute;
  right: calc(100% + 16px);
  top: 50%;
  transform: translateY(-50%) scale(0.9);
  transform-origin: right center;
  min-width: 180px;
  padding: 18px 20px;
  border-radius: 14px;
  background: #ffffff;
  box-shadow: 0 12px 32px rgba(31, 45, 61, 0.18);
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s, transform .25s, visibility .25s;
}
.float-kefu .miukefu-item:hover .miukefu-pop,
.float-kefu .miukefu-item.miukefu-active .miukefu-pop {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) scale(1);
}
.float-kefu .miukefu-pop::after {
  content: "";
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 8px solid transparent;
  border-left-color: #ffffff;
}
.float-kefu .miukefu-pop-title { font-size: 14px; font-weight: 600; color: #1f2937; margin-bottom: 10px; }
.float-kefu .miukefu-pop-desc { font-size: 12px; color: #9ca3af; line-height: 1.7; }

/* 二维码展示框 */
.float-kefu .miukefu-qr-box {
  width: 120px;
  height: 120px;
  margin: 0 auto 10px;
  border: 1px dashed #c7d2fe;
  border-radius: 8px;
  background: #eef2ff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: #818cf8;
}
/* 电话多号码项（售前咨询 / 售后服务） */
.float-kefu .miukefu-phone-list { display: flex; flex-direction: column; gap: 10px; text-align: left; }
.float-kefu .miukefu-phone-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 10px;
  background: #f5f3ff;
  color: #4f46e5;
  text-decoration: none;
  transition: background .2s, transform .2s, color .2s;
}
.float-kefu .miukefu-phone-item:hover {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: #ffffff;
  transform: translateX(-2px);
}
.float-kefu .miukefu-phone-label { font-size: 13px; opacity: .85; }
.float-kefu .miukefu-phone-num { font-size: 15px; font-weight: 700; letter-spacing: 1px; }
.float-kefu .miukefu-item[data-action="phone"] .miukefu-pop { min-width: 220px; }

/* 返回顶部 */
.float-kefu .miukefu-top {
  flex-direction: column;
  gap: 2px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
}
.float-kefu .miukefu-top svg { width: 16px; height: 16px; }
.float-kefu .miukefu-top.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }

/* 留言弹窗 */
.miukefu-mask {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(17, 24, 39, 0.5);
}
.miukefu-mask.is-open { display: flex; }
.miukefu-modal {
  width: 360px;
  max-width: calc(100vw - 40px);
  background: #fff;
  border-radius: 16px;
  padding: 26px 26px 24px;
  box-shadow: 0 20px 50px rgba(17, 24, 39, 0.25);
  animation: miukefu-pop-in .25s ease;
}
@keyframes miukefu-pop-in {
  from { transform: translateY(14px) scale(0.96); opacity: 0; }
  to   { transform: translateY(0) scale(1); opacity: 1; }
}
.miukefu-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  font-size: 17px;
  font-weight: 700;
  color: #111827;
}
.miukefu-close {
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 50%;
  background: #f3f4f6;
  color: #6b7280;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  transition: background .2s, color .2s;
}
.miukefu-close:hover { background: #fee2e2; color: #ef4444; }
.miukefu-modal input,
.miukefu-modal textarea {
  width: 100%;
  margin-bottom: 12px;
  padding: 10px 12px;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  color: #1f2937;
  transition: border-color .2s, box-shadow .2s;
}
.miukefu-modal input:focus,
.miukefu-modal textarea:focus {
  border-color: #6366f1;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}
.miukefu-modal input::placeholder,
.miukefu-modal textarea::placeholder { color: #9ca3af; }
.miukefu-modal textarea { resize: vertical; min-height: 80px; }
.miukefu-submit {
  width: 100%;
  padding: 11px 0;
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity .2s, transform .1s;
}
.miukefu-submit:hover { opacity: 0.9; }
.miukefu-submit:active { transform: translateY(1px); }
.miukefu-success {
  text-align: center;
  padding: 30px 0;
  color: #16a34a;
  font-size: 15px;
}
.miukefu-success svg { width: 40px; height: 40px; margin-bottom: 10px; }

/* ============ 二维码手机弹窗 ============ */
.miukefu-qr-mask {
  position: fixed;
  inset: 0;
  z-index: 10001;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(17, 24, 39, 0.55);
}
.miukefu-qr-mask.is-open { display: flex; }
.miukefu-qr-modal {
  width: 300px;
  max-width: calc(100vw - 48px);
  background: #fff;
  border-radius: 18px;
  padding: 24px 22px 20px;
  text-align: center;
  box-shadow: 0 20px 50px rgba(17, 24, 39, 0.3);
  animation: miukefu-pop-in .25s ease;
}
.miukefu-qr-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  font-size: 16px;
  font-weight: 700;
  color: #111827;
}
.miukefu-qr-body { display: flex; justify-content: center; }
.miukefu-qr-box {
  width: 220px;
  height: 220px;
  border: 1px dashed #c7d2fe;
  border-radius: 12px;
  background: #eef2ff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.miukefu-qr-box img { width: 100%; height: 100%; }
.miukefu-qr-tip { margin-top: 12px; font-size: 12px; color: #9ca3af; line-height: 1.7; }

/* 手机弹窗内的电话列表（售前咨询 / 售后服务） */
.miukefu-phone-body { padding: 4px 0 6px; }
.miukefu-phone-body .miukefu-phone-list { display: flex; flex-direction: column; gap: 12px; }
.miukefu-phone-body .miukefu-phone-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 12px;
  background: #f5f3ff;
  color: #4f46e5;
  text-decoration: none;
  transition: background .2s, transform .2s, color .2s;
}
.miukefu-phone-body .miukefu-phone-item:hover {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: #ffffff;
  transform: translateX(-2px);
}
.miukefu-phone-body .miukefu-phone-label { font-size: 14px; opacity: .85; }
.miukefu-phone-body .miukefu-phone-num { font-size: 16px; font-weight: 700; letter-spacing: 1px; }

/* ============ 响应式适配 ============ */
/* 平板：768 - 1024px */
@media (min-width: 769px) and (max-width: 1024px) {
  .float-kefu { right: 12px; gap: 10px; }
  .float-kefu .miukefu-link,
  .float-kefu .miukefu-top { width: 46px; height: 46px; border-radius: 11px; }
}

/* 手机： */
@media (max-width: 768px) {
  .float-kefu { right: 10px; gap: 10px; }
  .float-kefu .miukefu-link,
  .float-kefu .miukefu-top { width: 44px; height: 44px; border-radius: 10px; }
  /* 手机端不使用左侧悬停面板，二维码与电话改由弹窗 / 系统拨号呈现 */
  .float-kefu .miukefu-pop { display: none !important; }
  .float-kefu .miukefu-tip { display: none; }
}

/* 部分模板没有 viewport，手机会按较宽布局宽度渲染；触屏设备仍强制使用大尺寸点击区。 */
@media (hover: none) and (pointer: coarse) {
  .float-kefu { right: 12px; gap: 12px; }
  .float-kefu .miukefu-link,
  .float-kefu .miukefu-top {
    width: 58px;
    height: 58px;
    min-width: 58px;
    min-height: 58px;
    border-radius: 14px;
  }
  .float-kefu .miukefu-link svg { width: 27px; height: 27px; }
  .float-kefu .miukefu-top svg { width: 20px; height: 20px; }
  .float-kefu .miukefu-pop,
  .float-kefu .miukefu-tip { display: none !important; }
}