.pv-contact-box {
  position: fixed;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  z-index: 99999;
}

.pv-contact-toggle {
  color: #fff;
  padding: 12px 10px;
  border-radius: 20px;
  writing-mode: vertical-rl;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  text-decoration: none;
  display: flex;
  justify-content: center;
  align-items: center;
}

.pv-item {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  position: relative;
  overflow: visible;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: .25s;
}

/* Hiệu ứng “tỏa sóng” (PC) cho các nút tròn */
.pv-item::before,
.pv-item::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, .55);
  transform: translate(-50%, -50%) scale(1);
  opacity: .85;
  pointer-events: none;
  animation: pv-wave 1.6s infinite;
}

.pv-item::before {
  animation-delay: .8s;
}

@keyframes pv-wave {
  0% {
    transform: translate(-50%, -50%) scale(1);
    opacity: .85;
  }

  70% {
    transform: translate(-50%, -50%) scale(1.85);
    opacity: 0;
  }

  100% {
    transform: translate(-50%, -50%) scale(1.85);
    opacity: 0;
  }
}

/* Tắt animation nếu user giảm chuyển động */
@media (prefers-reduced-motion: reduce) {

  .pv-item::before,
  .pv-item::after {
    display: none !important;
    animation: none !important;
  }
}

.pv-item img {
  width: 28px;
  height: 28px;
}

.pv-top {
  opacity: 0;
  visibility: hidden;
  transition: .3s;
}

.pv-top.show {
  opacity: 1;
  visibility: visible;
  transform: scale(1.05);
}

/* Nút toggle trên mobile */
.pv-mobile-toggle {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: #0079d3;
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 99998;
  cursor: pointer;
  display: none;
}

.pv-mobile-toggle::after {
  content: "≡";
  color: #fff;
  font-size: 28px;
  font-weight: bold;
  position: absolute;
  top: 6px;
  left: 13px;
  line-height: 1;
}

.pv-contact-box.pv-hidden {
  display: none !important;
}

@media (max-width: 480px) {
  .pv-mobile-toggle {
    display: block;
  }

  .pv-contact-box {
    transform: scale(.78);
    transform-origin: right bottom;
  }
}

/* PC only: ẩn nút nổi trên mobile/tablet */
@media (max-width: 850px) {

  .pv-contact-box,
  .pv-mobile-toggle {
    display: none !important;
  }
}


/* ===== PhongVT Mobile Contact Footer ===== */
#phongvt-contact-footer-outer {
  position: fixed;
  width: 100%;
  z-index: 999999 !important;
  bottom: 0;
  display: none;
}

#phongvt-contact-footer:after {
  content: "";
  position: absolute;
  pointer-events: none;
  background-image: url(https://themewpgiare.com/wp-content/uploads/2025/01/mb-footer-bg.svg);
  background-color: unset;
  background-position: center top;
  background-repeat: no-repeat;
  background-size: 100%;
  box-shadow: unset;
  height: 65px;
  width: 100%;
  margin-left: 0;
  margin-bottom: 0;
  left: 0;
  bottom: 0;
  z-index: -1;
}

#phongvt-contact-footer {
  border-bottom: 15px solid #fff;
  display: flex;
  max-width: 1200px;
  margin: auto;
  position: relative;
  padding-top: 5px;
}

#phongvt-contact-footer>a {
  position: relative;
  display: block;
  flex: 1 1 0;
  text-align: center;
  padding: 11px 0 0px 0;
  color: #313131;
  text-decoration: none;
}

#phongvt-contact-footer>span {
  display: block;
  width: 30px;
}

#phongvt-contact-footer span {
  display: block;
}

.phongvt-contact-footer-btn-label {
  padding: 0px 2px 0 2px;
  font-size: 11px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: bold;
  line-height: 1.2;
}

#phongvt-contact-footer>a img {
  height: 30px;
  width: 30px
}

#phongvt-contact-footer-btn-center {
  position: relative;
  background: transparent !important;
}

#phongvt-contact-footer-btn-center .phongvt-contact-footer-btn-label {
  position: absolute;
  left: 50%;
  bottom: 2px;
  transform: translateX(-50%);
}

#phongvt-contact-footer-btn-center .phongvt-contact-footer-btn-label>span {
  padding: 0px 8px;
  background-image: linear-gradient(92.83deg, #0E68C8 0, #02A4A5 100%);
  border-radius: 30px;
  color: white;
  display: inline-block;
}

.phongvt-contact-footer-btn-center-icon {
  left: 50%;
  position: absolute;
  transform: translateX(-50%);
  background-image: linear-gradient(92.83deg, #f90000 0, #950099 100%);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  top: -28px;
  text-align: center;
  box-shadow: rgb(0 0 0 / 15%) 0 -3px 10px 0px;
  border: 2px solid #fff;
}

.phongvt-contact-footer-btn-center-icon img {
  max-width: 20px;
  height: auto !important;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.phone-vr-circle-fill {
  width: 50px;
  height: 50px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  box-shadow: 0 0 0 0 #0E68C8;
  border: 2px solid transparent;
  transition: all .5s;
  animation: zoom 1.3s infinite;
}
  .pv-item.pv-whatsapp img {
    width: 100%;
    height: auto;
  }

@keyframes zoom {
  0% {}

  70% {
    box-shadow: 0 0 0 15px transparent
  }

  100% {
    box-shadow: 0 0 0 0 transparent
  }
}

@media only screen and (max-width: 850px) {
  #phongvt-contact-footer-outer {
    display: block;
  }


}