.tu-van-button-wrapper {
  text-align: center;
}

.tu-van-button {
  background: #008df2;
  color: white;
  border: none;
  padding: 10px 15px;
  border-radius: 12px;
  font-size: 16px;
  cursor: pointer;
  width: 100%;
  max-width: 400px;
  line-height: 1.5;
  transition: background 0.3s ease;
}

.tu-van-button:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.tu-van-button strong {
    font-size: 17px;
    display: block;
    font-weight: inherit;
}

.tu-van-button small {
    font-size: 13px;
    display: block;
	text-transform: none;
}

/* Popup overlay */
.popup-tu-van-overlay {
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
}

/* Popup content */
.popup-tu-van-content {
  background: white;
  padding: 30px 20px;
  border-radius: 8px;
  max-width: 450px;
  width: 90%;
  position: relative;
}

.popup-tu-van-content h3 {
  font-size: 18px;
  margin-bottom: 15px;
  text-align: center;
}

.popup-tu-van-content .close-popup {
  position: absolute;
  right: 12px;
  top: 10px;
  font-size: 25px;
  cursor: pointer;
}

.hotline {
  margin-top: 15px;
  font-size: 14px;
}

.hotline .sdt {
  color: red;
  font-weight: bold;
}