#nav-tab button.nav-link.active::before {
  content: "";
  position: absolute;
  bottom: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  /* 只保留一个 width */
  height: 30px;
  background: url(../images/others/blue-arrow@new4x.png);
  background-size: 50px 31px;
  background-repeat: no-repeat;
  background-position: center;
  z-index: 999;
}

.nav-tabs .nav-item.show .nav-link,
.nav-tabs .nav-link.active {
  background-color: transparent;
}

#nav-tab button.nav-link img {
  width: 90px;
  height: 90px;
}

.justify-content-center {
  display: flex;
  justify-content: center;
}

.product-h1 {
  font-family: Inter;
  font-size: 36px;
  font-weight: 400;
  line-height: 50px;
  text-align: left;
}

.mt-3 {
  border: none;
}

.red-line2 {
  display: block;
  width: 30px;
  height: 4px;
  background: #0084FF;
  margin-bottom: 15px;
  margin-top: 36px;
}

.title-tab {
  font-family: Inter;
  font-size: 36px;
  font-weight: 400;
  line-height: 65px;
  text-align: left;

}

.explore-more {
  width: 163px;
  height: 35px;
  border-radius: 35px;
  opacity: 0px;
  color: #fff;
  background-color: #0084FF;
  text-align: center;
  line-height: 35px;
  margin-top: 3rem;
  cursor: pointer;
}

.explore-more img {
  transition: transform 0.3s ease;
}

.explore-more:hover img {
  transform: translateX(10px);
}

.beneefits-content {
  font-family: Inter;
  font-size: 18px;
  font-weight: 300;
  line-height: 32px;
  text-align: left;
}

.expert-title {
  margin-bottom: 10px;
}

/* .expert-title {
  font-family: Inter;
  font-size: 18px;
  font-weight: 500;
  line-height: 27px;
  text-align: left;

} */

/* .expert-content {
  font-family: Inter;
  font-size: 16px;
  font-weight: 300;
  line-height: 29px;
  text-align: left;
} */

.nav-tabs .nav-link {
  padding: 0;
  margin: 0;
}

.red-line2 {
  width: 40px;
  height: 5px;
}

.nav-icon {
  height: auto;
}


.header-img {
  width: 685px;
  height: 428px;
  max-width: 685px;
  overflow: hidden;
}

.header-img img:hover {
  transform: scale(1.1);
  transition: transform 1.2s ease;
}

.header-img img {
  transform-origin: center center;
  transition: transform 1.2s ease;
}

.beneefits-img {
  width: 496px;
  height: 326px;
  max-width: 496px;
  overflow: hidden;
}

.beneefits-img img:hover {
  transform: scale(1.1);
  transition: transform 1.2s ease;
}

.beneefits-img img {
  transform-origin: center center;
  transition: transform 1.2s ease;
}