.nav-bar {
  background: transparent;
}
.nav-bar .nav-links li a {
  color: #fff;
}
.nav-bar .logo .text h2 {
  color: #fff !important;
}
.nav-bar .fa-search {
  color: #fff;
}

@keyframes fadeInDown {
  0% {
    opacity: 0;
    transform: translateY(-30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}
.nav-bar.scrolled {
  background-color: #fff;
  position: fixed;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  animation: 300ms ease-in-out 0s normal none 1 running fadeInDown;
  -webkit-animation: 300ms ease-in-out 0s normal none 1 running fadeInDown;
}
.nav-bar.scrolled .nav-links li a {
  color: #333;
}
.nav-bar.scrolled .nav-links li a:hover {
  color: #fff;
}
.nav-bar.scrolled .logo .text h2 {
  color: #333 !important;
}
.nav-bar.scrolled .fa-search {
  color: #333;
}

#nghiencuu .container-fluid {
  width: 100%;
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
#nghiencuu .container-custom {
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
  padding: 0;
}
#nghiencuu .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 50%;
  background: rgba(0, 0, 0, 0.5);
}
#nghiencuu .breadcrumb-banner .breadcrumb-content {
  height: 50vh;
  display: flex;
  justify-content: center;
  align-items: center;
}
#nghiencuu .breadcrumb-banner .breadcrumb-content img {
  width: 100%;
  object-fit: cover;
  border-radius: 0px;
}
#nghiencuu .breadcrumb-banner .breadcrumb-content .breadcrumb-body {
  position: absolute;
  z-index: 1;
  color: #fff;
  text-align: center;
  display: grid;
  gap: 25px;
  max-width: 900px;
}
#nghiencuu .breadcrumb-banner .breadcrumb-content .breadcrumb-body .breadcrumb {
  font-size: 13pt;
}
#nghiencuu .breadcrumb-banner .breadcrumb-content .breadcrumb-body .breadcrumb .breadcrumb-item a {
  color: #333;
}
#nghiencuu .breadcrumb-banner .breadcrumb-content .breadcrumb-body .breadcrumb-item:last-child a {
  color: #e51010 !important;
}
#nghiencuu .tabnghiencuu {
  position: relative;
  font-size: 13pt;
  line-height: 30px;
  margin-top: 50px;
  padding-bottom: 50px;
}
#nghiencuu .tabnghiencuu h3 {
  font-weight: 900;
  font-size: 30px;
  margin-bottom: 20px;
}
#nghiencuu .tabnghiencuu .rounded-4 {
  border-radius: 1rem !important;
}
#nghiencuu .tabnghiencuu .ps-lg-5 {
  padding-left: 3rem !important;
}
#nghiencuu .tabnghiencuu .fst-italic {
  color: color-mix(in srgb, #444444, #333 50%);
  font-style: italic;
  font-size: 12pt;
  filter: brightness(1.5);
}
#nghiencuu .tabnghiencuu .content-nc ul {
  list-style: none;
  padding: 0;
  margin-top: 30px;
}
#nghiencuu .tabnghiencuu .content-nc ul li {
  padding: 0 0 10px 30px;
  position: relative;
}
#nghiencuu .tabnghiencuu .content-nc ul li i {
  color: #333;
  margin-right: 8px;
}
#nghiencuu .tabnghiencuu .pulsating-play-btn {
  width: 94px;
  height: 94px;
  background: radial-gradient(#E51010 50%, color-mix(in srgb, #E51010, transparent 75%) 52%);
  border-radius: 50%;
  display: block;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  position: absolute;
  left: calc(50% - 47px);
  top: calc(50% - 47px);
}
#nghiencuu .tabnghiencuu .pulsating-play-btn::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translateX(-40%) translateY(-50%);
  width: 0;
  height: 0;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-left: 15px solid #fff;
  z-index: 100;
  transition: all 400ms cubic-bezier(0.55, 0.055, 0.675, 0.19);
}
#nghiencuu .tabnghiencuu .pulsating-play-btn:hover::after {
  border-left: 15px solid #E51010;
  transform: scale(20);
}
#nghiencuu .tabnghiencuu .pulsating-play-btn::before {
  content: "";
  position: absolute;
  width: 120px;
  height: 120px;
  animation: pulsate-play-btn 2s infinite;
  opacity: 1;
  border-radius: 50%;
  border: 5px solid color-mix(in srgb, #E51010, transparent 30%);
  top: -15%;
  left: -15%;
  background: rgba(198, 16, 0, 0);
}
@keyframes pulsate-play-btn {
  0% {
    transform: scale(0.6, 0.6);
    opacity: 1;
  }
  100% {
    transform: scale(1, 1);
    opacity: 0;
  }
}
#nghiencuu .tabnghiencuu .item-eg {
  padding-top: 40px;
}
#nghiencuu .tabnghiencuu .item-eg .service-item {
  background-color: #ffffff;
  padding: 30px;
  border: 1px solid color-mix(in srgb, #444444, transparent 85%);
  transition: 0.3s;
}
#nghiencuu .tabnghiencuu .item-eg .service-item .title {
  font-weight: 700;
  margin-bottom: 15px;
  font-size: 20px;
  color: #273d4e;
  text-align: justify;
}
#nghiencuu .tabnghiencuu .item-eg .service-item .description {
  line-height: 24px;
  font-size: 14px;
  margin: 0;
  color: #333;
}
#nghiencuu .tabnghiencuu .item-eg .service-item img {
  width: 30px;
  height: 30px;
  margin-right: 8px;
  border-radius: 0px;
}
#nghiencuu .tabnghiencuu .item-eg .service-item:hover {
  border-color: #E51010;
}
#nghiencuu .tabnghiencuu .item-eg .service-item:hover .stretched-link {
  color: #5e1010;
}
#nghiencuu .tabnghiencuu .item-eg .stretched-link {
  color: #444444;
}
#nghiencuu .tabnghiencuu .item-eg .stretched-link::after {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
  content: "";
}