.td-banner-panel {
  position: fixed;
  right: 0;

  /* 👉 ВАЖНО: центр экрана */
  top: 50%;
  transform: translateY(-50%) translateZ(0);

  z-index: 99999;

  display: flex;
  flex-direction: row-reverse;
  align-items: center;

  transition: transform 0.3s ease;

  /* настройки текста */
  --td-label-font-size: 14px;
  --td-label-font-family: Arial, sans-serif;
}

/* скрытое состояние */
.td-banner-panel.is-hidden {
  transform: translateY(-50%) translateX(calc(100% - 24px)) translateZ(0);
}

/* контент */
.td-banner-content {
  background: #fff;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;

  border-radius: 12px 0 0 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.12);
}

/* баннер */
.td-banner-item {
  width: 110px;
  height: 110px;
  display: block;
  text-decoration: none;
}

.td-banner-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border: 0;
}

/* таб */
.td-banner-tab {
  width: 24px;
  height: 120px;
  background: #fff;
  border-radius: 10px 0 0 10px;
  box-shadow: -5px 0 15px rgba(0,0,0,0.08);
  cursor: pointer;

  display: flex;
  align-items: center;
  justify-content: center;

  user-select: none;
}

/* текст */
.td-banner-label {
  writing-mode: vertical-rl;
  transform: rotate(180deg);

  font-size: var(--td-label-font-size);
  font-family: var(--td-label-font-family);
  font-weight: 600;
  letter-spacing: 1px;

  color: #333;
}

/* mobile */
@media (max-width: 768px) {
  .td-banner-panel {
    top: 50%;
    transform: translateY(-50%) translateZ(0);
  }

  .td-banner-panel.is-hidden {
    transform: translateY(-50%) translateX(calc(100% - 24px)) translateZ(0);
  }

  .td-banner-item {
    width: 120px;
    height: 120px;
  }
}