body {
  font-family: Arial, sans-serif;
  background: #fff;
  margin: 0;
  padding: 40px;
  text-align: center;
}

.plate-container {
  position: relative;
  width: 700px;
  margin: 0 auto;
}

.plate-img {
  width: 100%;
}

.hotspot {
  position: absolute;
  width: 30px;
  height: 30px;
  cursor: pointer;
}

.plus {
  width: 30px;
  height: 30px;
  background-color: #ffd000;
  color: #fff;
  font-size: 20px;
  font-weight: bold;
  text-align: center;
  line-height: 28px;
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 2px 5px rgba(0,0,0,0.3);
  transition: transform 0.2s;
}

.hotspot:hover .plus {
  transform: scale(1.1);
}

.tooltip {
  display: none;
  position: absolute;
  top: -120px;
  left: -130px;
  width: 260px;
  background-color: #ffd000;
  color: #000;
  padding: 12px;
  border-radius: 20px;
  font-size: 14px;
  text-align: left;
  z-index: 10;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

.hotspot:hover .tooltip {
  display: block;
}