.vipbox {
  max-width: 850px;
  margin: 25px auto;
  padding: 20px 25px;
  background: #fff9f3;
  border: 2px solid #e67e23;
  border-radius: 10px;
  font-family: "Segoe UI", Arial, sans-serif;
  color: #333;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
}

.vipbox-header {
  list-style: none;
  padding: 0;
  margin: 0 0 15px;
}

.vipbox-header li {
  background: #e67e23;
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  text-align: center;
  padding: 8px 10px;
  border-radius: 6px;
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.vipbox-links {
  text-align: center;
  margin: 15px 0;
}

.zalo-icon {
  width: 58px;
  height: 55px;
  vertical-align: middle;
  transition: transform 0.3s ease;
}

.zalo-banner {
  width: 280px;
  height: auto;
  margin-left: 10px;
  vertical-align: middle;
  transition: transform 0.3s ease;
}

.zalo-icon:hover,
.zalo-banner:hover {
  transform: scale(1.05);
}

.vipbox-content {
  font-size: 16px;
  line-height: 1.6;
}

.vipbox-content a {
  color: #e67e23;
  text-decoration: none;
  font-weight: 600;
}

.vipbox-content a:hover {
  text-decoration: underline;
}

.vipbox-warning {
  background: #ba372a;
  color: #fff;
  font-size: 17px;
  padding: 10px 15px;
  border-radius: 8px;
  margin: 20px 0;
  line-height: 1.5;
}

@media (max-width: 600px) {
  .vipbox {
    padding: 15px;
  }
  .vipbox-header li {
    font-size: 18px;
  }
  .zalo-banner {
    width: 220px;
    display: block;
    margin: 10px auto;
  }
}