body {
  font-family: "Lato";
  border-radius: 10px;
  background: rgba(242, 240, 227, 0.45) url(../img/bgtrongdong.png) top center
    no-repeat;
  background-attachment: fixed;
}
main {
  margin-top: 10px;
  margin-bottom: 10px;
  border-bottom-left-radius: 4px;
  border-bottom-right-radius: 4px;
  background: #ffffff;
}
@media (min-width: 375px) {
  main {
    margin-top: 0px;
    margin-bottom: 0px;
  }
}
:root {
  --with-375: 375px;
  --with-576: 576px;
  --with-768: 768px;
  --with-820: 820px;
  --with-920: 920px;
}

.logo {
  max-width: 80px;
}

/* ========== Site Navbar ========== */
header {
  width: 100%;
}
.site-navbar {
  width: 100%;
  font-family: Lato, sans-serif;
  background: #ffffff !important;
  border-radius: 0;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  border: 1px solid rgba(0, 0, 0, 0.04);
}
.site-navbar .navbar-nav .nav-item {
  margin-left: 2px;
  margin-right: 2px;
}
.site-navbar .nav-link {
  color: #333 !important;
  font-weight: 500;
  padding: 0.5rem 0.85rem !important;
  border-radius: 8px;
  transition: color 0.2s ease, background-color 0.2s ease;
}
.site-navbar .nav-link:hover {
  color: #8b4513 !important;
  background-color: rgba(242, 240, 227, 0.7);
}
.site-navbar .nav-link.active {
  color: #6b3410 !important;
  background-color: rgba(210, 180, 140, 0.25);
}
.site-navbar .navbar-toggler {
  border-color: rgba(0, 0, 0, 0.08);
  border-radius: 8px;
}
.site-navbar .navbar-toggler:focus {
  box-shadow: 0 0 0 2px rgba(139, 69, 19, 0.2);
}
@media (max-width: 767.98px) {
  .site-navbar .navbar-collapse {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
  }
  .site-navbar .nav-link {
    padding: 0.5rem 0 !important;
  }
}

/* ========== Delegates Grid (replaces Owl Carousel) ========== */
.delegates-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  align-items: stretch;
}

/* Reuse existing `.dai-bieu` markup, but remove its margins inside the grid. */
.delegates-grid > .dai-bieu {
  margin: 0 !important;
  position: relative;
}

.delegates-grid > .dai-bieu .item img {
  width: 100%;
  height: auto;
  display: block;
  transition: opacity 0.2s ease;
}

/* QR overlay: thay ảnh cũ khi hover, mã QR to full ô */
.delegate-qr {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px;
  box-sizing: border-box;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  background: #fff;
}
.delegates-grid .dai-bieu:hover .delegate-qr {
  opacity: 1;
  pointer-events: auto;
}
.delegate-qr img {
  width: auto;
  /* height: 100%; */
  max-width: 100%;
  max-height: calc(100% - 40px);
  object-fit: contain;
  object-position: center;
  display: block;
}
.delegate-detail-btn {
  display: inline-block;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 0.15s ease;
}
.delegate-detail-btn:hover {
  transform: scale(1.03);
}
.delegates-grid .dai-bieu:hover .item,
.delegates-grid .dai-bieu:hover .item img {
  opacity: 0;
}

@media (max-width: 991.98px) {
  .delegates-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 767.98px) {
  .delegates-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 575.98px) {
  .delegates-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 375px) {
  .delegates-grid {
    grid-template-columns: 1fr;
  }
}

.baner {
  width: 960px;
  max-height: 400px;
}

.gioi-thieu {
  margin-top: 10px;
}

.dai-bieu {
  margin: 0 7px 0 7px !important;
}

/* Intro text wraps under video */
.intro-with-video {
  width: 100%;
}

.intro-video {
  width: 100%;
  height: 280px;
  margin: 0 0 12px 0;
  display: block;
}

@media (min-width: 768px) {
  .intro-video {
    float: right;
    width: 45%;
    max-width: 380px;
    margin-left: 16px;
    margin-bottom: 12px;
  }
}

/* ======================================================== */

.animated {
  background: linear-gradient(-30deg, #3d0b0b 50%, #2b0808 50%);
  padding: 0px;
  margin: 0px;
  /*display: inline-block;*/
  -webkit-transform: translate(0%, 0%);
  transform: translate(0%, 0%);
  overflow: hidden;
  color: #f7d4d4;
  font-size: 9px;
  letter-spacing: 2.5px;
  text-align: center;
  text-transform: uppercase;
  text-decoration: none;
  -webkit-box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  cursor: pointer;
}

.animated::before {
  content: "";
  position: absolute;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
  background-color: #ad8585;
  opacity: 0;
  -webkit-transition: 0.2s opacity ease-in-out;
  transition: 0.2s opacity ease-in-out;
}

.animated:hover::before {
  opacity: 0.2;
}

.animated span {
  position: absolute;
}

.animated span:nth-child(2) {
  top: 0px;
  left: 0px;
  width: 100%;
  height: 3px;
  background: -webkit-gradient(
    linear,
    right top,
    left top,
    from(rgba(43, 8, 8, 0)),
    to(#ffffff)
  );
  background: linear-gradient(to left, rgba(43, 8, 8, 0), #ffffff);
  -webkit-animation: 2s animateTop linear infinite;
  animation: 2s animateTop linear infinite;
}

@keyframes animateTop {
  0% {
    -webkit-transform: translateX(100%);
    transform: translateX(100%);
  }
  100% {
    -webkit-transform: translateX(-100%);
    transform: translateX(-100%);
  }
}

.animated span:nth-child(3) {
  top: 0px;
  right: 0px;
  height: 100%;
  width: 3px;
  background: -webkit-gradient(
    linear,
    left bottom,
    left top,
    from(rgba(43, 8, 8, 0)),
    to(#ffffff)
  );
  background: linear-gradient(to top, rgba(43, 8, 8, 0), #ffffff);
  -webkit-animation: 2s animateRight linear -1s infinite;
  animation: 2s animateRight linear -1s infinite;
}

@keyframes animateRight {
  0% {
    -webkit-transform: translateY(100%);
    transform: translateY(100%);
  }
  100% {
    -webkit-transform: translateY(-100%);
    transform: translateY(-100%);
  }
}

.animated span:nth-child(4) {
  bottom: 0px;
  left: 0px;
  width: 100%;
  height: 3px;
  background: -webkit-gradient(
    linear,
    left top,
    right top,
    from(rgba(43, 8, 8, 0)),
    to(#ffffff)
  );
  background: linear-gradient(to right, rgba(43, 8, 8, 0), #ffffff);
  -webkit-animation: 2s animateBottom linear infinite;
  animation: 2s animateBottom linear infinite;
}

@keyframes animateBottom {
  0% {
    -webkit-transform: translateX(-100%);
    transform: translateX(-100%);
  }
  100% {
    -webkit-transform: translateX(100%);
    transform: translateX(100%);
  }
}

.animated span:nth-child(5) {
  top: 0px;
  left: 0px;
  height: 100%;
  width: 3px;
  background: -webkit-gradient(
    linear,
    left top,
    left bottom,
    from(rgba(43, 8, 8, 0)),
    to(#ffffff)
  );
  background: linear-gradient(to bottom, rgba(43, 8, 8, 0), #ffffff);
  -webkit-animation: 2s animateLeft linear -1s infinite;
  animation: 2s animateLeft linear -1s infinite;
}

@keyframes animateLeft {
  0% {
    -webkit-transform: translateY(-100%);
    transform: translateY(-100%);
  }
  100% {
    -webkit-transform: translateY(100%);
    transform: translateY(100%);
  }
}

/* ====================== MÀU ĐỎ ================================== */

.animated-red {
  background: linear-gradient(-30deg, #3d0b0b 50%, #2b0808 50%);
  padding: 0px;
  margin: 0px;
  /*display: inline-block;*/
  -webkit-transform: translate(0%, 0%);
  transform: translate(0%, 0%);
  overflow: hidden;
  color: #f7d4d4;
  font-size: 9px;
  letter-spacing: 2.5px;
  text-align: center;
  text-transform: uppercase;
  text-decoration: none;
  -webkit-box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  cursor: pointer;
}

.animated-red::before {
  content: "";
  position: absolute;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
  background-color: #ad8585;
  opacity: 0;
  -webkit-transition: 0.2s opacity ease-in-out;
  transition: 0.2s opacity ease-in-out;
}

.animated-red:hover::before {
  opacity: 0.2;
}

.animated-red span {
  position: absolute;
}

.animated-red span:nth-child(2) {
  top: 0px;
  left: 0px;
  width: 100%;
  height: 3px;
  background: -webkit-gradient(
    linear,
    right top,
    left top,
    from(rgba(43, 8, 8, 0)),
    to(#d92626)
  );
  background: linear-gradient(to left, rgba(43, 8, 8, 0), #d92626);
  -webkit-animation: 2s animateTop linear infinite;
  animation: 2s animateTop linear infinite;
}

@keyframes animateTop {
  0% {
    -webkit-transform: translateX(100%);
    transform: translateX(100%);
  }
  100% {
    -webkit-transform: translateX(-100%);
    transform: translateX(-100%);
  }
}

.animated-red span:nth-child(3) {
  top: 0px;
  right: 0px;
  height: 100%;
  width: 3px;
  background: -webkit-gradient(
    linear,
    left bottom,
    left top,
    from(rgba(43, 8, 8, 0)),
    to(#d92626)
  );
  background: linear-gradient(to top, rgba(43, 8, 8, 0), #d92626);
  -webkit-animation: 2s animateRight linear -1s infinite;
  animation: 2s animateRight linear -1s infinite;
}

@keyframes animateRight {
  0% {
    -webkit-transform: translateY(100%);
    transform: translateY(100%);
  }
  100% {
    -webkit-transform: translateY(-100%);
    transform: translateY(-100%);
  }
}

.animated-red span:nth-child(4) {
  bottom: 0px;
  left: 0px;
  width: 100%;
  height: 3px;
  background: -webkit-gradient(
    linear,
    left top,
    right top,
    from(rgba(43, 8, 8, 0)),
    to(#d92626)
  );
  background: linear-gradient(to right, rgba(43, 8, 8, 0), #d92626);
  -webkit-animation: 2s animateBottom linear infinite;
  animation: 2s animateBottom linear infinite;
}

@keyframes animateBottom {
  0% {
    -webkit-transform: translateX(-100%);
    transform: translateX(-100%);
  }
  100% {
    -webkit-transform: translateX(100%);
    transform: translateX(100%);
  }
}

.animated-red span:nth-child(5) {
  top: 0px;
  left: 0px;
  height: 100%;
  width: 3px;
  background: -webkit-gradient(
    linear,
    left top,
    left bottom,
    from(rgba(43, 8, 8, 0)),
    to(#d92626)
  );
  background: linear-gradient(to bottom, rgba(43, 8, 8, 0), #d92626);
  -webkit-animation: 2s animateLeft linear -1s infinite;
  animation: 2s animateLeft linear -1s infinite;
}

@keyframes animateLeft {
  0% {
    -webkit-transform: translateY(-100%);
    transform: translateY(-100%);
  }
  100% {
    -webkit-transform: translateY(100%);
    transform: translateY(100%);
  }
}

/* ====================== MÀU VÀNG ================================== */

.animated-yellow {
  background: linear-gradient(-30deg, #3d0b0b 50%, #2b0808 50%);
  padding: 0px;
  margin: 0px;
  /*display: inline-block;*/
  -webkit-transform: translate(0%, 0%);
  transform: translate(0%, 0%);
  overflow: hidden;
  color: #f7d4d4;
  font-size: 9px;
  letter-spacing: 2.5px;
  text-align: center;
  text-transform: uppercase;
  text-decoration: none;
  -webkit-box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  cursor: pointer;
}

.animated-yellow::before {
  content: "";
  position: absolute;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
  background-color: #ad8585;
  opacity: 0;
  -webkit-transition: 0.2s opacity ease-in-out;
  transition: 0.2s opacity ease-in-out;
}

.animated-yellow:hover::before {
  opacity: 0.2;
}

.animated-yellow span {
  position: absolute;
}

.animated-yellow span:nth-child(2) {
  top: 0px;
  left: 0px;
  width: 100%;
  height: 3px;
  background: -webkit-gradient(
    linear,
    right top,
    left top,
    from(rgba(43, 8, 8, 0)),
    to(#ffff00)
  );
  background: linear-gradient(to left, rgba(43, 8, 8, 0), #ffff00);
  -webkit-animation: 2s animateTop linear infinite;
  animation: 2s animateTop linear infinite;
}

@keyframes animateTop {
  0% {
    -webkit-transform: translateX(100%);
    transform: translateX(100%);
  }
  100% {
    -webkit-transform: translateX(-100%);
    transform: translateX(-100%);
  }
}

.animated-yellow span:nth-child(3) {
  top: 0px;
  right: 0px;
  height: 100%;
  width: 3px;
  background: -webkit-gradient(
    linear,
    left bottom,
    left top,
    from(rgba(43, 8, 8, 0)),
    to(#ffff00)
  );
  background: linear-gradient(to top, rgba(43, 8, 8, 0), #ffff00);
  -webkit-animation: 2s animateRight linear -1s infinite;
  animation: 2s animateRight linear -1s infinite;
}

@keyframes animateRight {
  0% {
    -webkit-transform: translateY(100%);
    transform: translateY(100%);
  }
  100% {
    -webkit-transform: translateY(-100%);
    transform: translateY(-100%);
  }
}

.animated-yellow span:nth-child(4) {
  bottom: 0px;
  left: 0px;
  width: 100%;
  height: 3px;
  background: -webkit-gradient(
    linear,
    left top,
    right top,
    from(rgba(43, 8, 8, 0)),
    to(#ffff00)
  );
  background: linear-gradient(to right, rgba(43, 8, 8, 0), #ffff00);
  -webkit-animation: 2s animateBottom linear infinite;
  animation: 2s animateBottom linear infinite;
}

@keyframes animateBottom {
  0% {
    -webkit-transform: translateX(-100%);
    transform: translateX(-100%);
  }
  100% {
    -webkit-transform: translateX(100%);
    transform: translateX(100%);
  }
}

.animated-yellow span:nth-child(5) {
  top: 0px;
  left: 0px;
  height: 100%;
  width: 3px;
  background: -webkit-gradient(
    linear,
    left top,
    left bottom,
    from(rgba(43, 8, 8, 0)),
    to(#ffff00)
  );
  background: linear-gradient(to bottom, rgba(43, 8, 8, 0), #ffff00);
  -webkit-animation: 2s animateLeft linear -1s infinite;
  animation: 2s animateLeft linear -1s infinite;
}

@keyframes animateLeft {
  0% {
    -webkit-transform: translateY(-100%);
    transform: translateY(-100%);
  }
  100% {
    -webkit-transform: translateY(100%);
    transform: translateY(100%);
  }
}

/* ====================== MÀU XANH ================================== */

.animated-blue {
  background: linear-gradient(-30deg, #3d0b0b 50%, #2b0808 50%);
  padding: 0px;
  margin: 0px;
  /*display: inline-block;*/
  -webkit-transform: translate(0%, 0%);
  transform: translate(0%, 0%);
  overflow: hidden;
  color: #f7d4d4;
  font-size: 9px;
  letter-spacing: 2.5px;
  text-align: center;
  text-transform: uppercase;
  text-decoration: none;
  -webkit-box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  cursor: pointer;
}

.animated-blue::before {
  content: "";
  position: absolute;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
  background-color: #ad8585;
  opacity: 0;
  -webkit-transition: 0.2s opacity ease-in-out;
  transition: 0.2s opacity ease-in-out;
}

.animated-blue:hover::before {
  opacity: 0.2;
}

.animated-blue span {
  position: absolute;
}

.animated-blue span:nth-child(2) {
  top: 0px;
  left: 0px;
  width: 100%;
  height: 3px;
  background: -webkit-gradient(
    linear,
    right top,
    left top,
    from(rgba(43, 8, 8, 0)),
    to(#80d926)
  );
  background: linear-gradient(to left, rgba(43, 8, 8, 0), #80d926);
  -webkit-animation: 2s animateTop linear infinite;
  animation: 2s animateTop linear infinite;
}

@keyframes animateTop {
  0% {
    -webkit-transform: translateX(100%);
    transform: translateX(100%);
  }
  100% {
    -webkit-transform: translateX(-100%);
    transform: translateX(-100%);
  }
}

.animated-blue span:nth-child(3) {
  top: 0px;
  right: 0px;
  height: 100%;
  width: 3px;
  background: -webkit-gradient(
    linear,
    left bottom,
    left top,
    from(rgba(43, 8, 8, 0)),
    to(#80d926)
  );
  background: linear-gradient(to top, rgba(43, 8, 8, 0), #80d926);
  -webkit-animation: 2s animateRight linear -1s infinite;
  animation: 2s animateRight linear -1s infinite;
}

@keyframes animateRight {
  0% {
    -webkit-transform: translateY(100%);
    transform: translateY(100%);
  }
  100% {
    -webkit-transform: translateY(-100%);
    transform: translateY(-100%);
  }
}

.animated-blue span:nth-child(4) {
  bottom: 0px;
  left: 0px;
  width: 100%;
  height: 3px;
  background: -webkit-gradient(
    linear,
    left top,
    right top,
    from(rgba(43, 8, 8, 0)),
    to(#80d926)
  );
  background: linear-gradient(to right, rgba(43, 8, 8, 0), #80d926);
  -webkit-animation: 2s animateBottom linear infinite;
  animation: 2s animateBottom linear infinite;
}

@keyframes animateBottom {
  0% {
    -webkit-transform: translateX(-100%);
    transform: translateX(-100%);
  }
  100% {
    -webkit-transform: translateX(100%);
    transform: translateX(100%);
  }
}

.animated-blue span:nth-child(5) {
  top: 0px;
  left: 0px;
  height: 100%;
  width: 3px;
  background: -webkit-gradient(
    linear,
    left top,
    left bottom,
    from(rgba(43, 8, 8, 0)),
    to(#80d926)
  );
  background: linear-gradient(to bottom, rgba(43, 8, 8, 0), #80d926);
  -webkit-animation: 2s animateLeft linear -1s infinite;
  animation: 2s animateLeft linear -1s infinite;
}

@keyframes animateLeft {
  0% {
    -webkit-transform: translateY(-100%);
    transform: translateY(-100%);
  }
  100% {
    -webkit-transform: translateY(100%);
    transform: translateY(100%);
  }
}

/* ====================== MÀU TRẮNG ================================== */

.animated-white {
  background: linear-gradient(-30deg, #3d0b0b 50%, #2b0808 50%);
  padding: 0px;
  margin: 0px;
  -webkit-transform: translate(0%, 0%);
  transform: translate(0%, 0%);
  overflow: hidden;
  color: #f7d4d4;
  font-size: 9px;
  letter-spacing: 2.5px;
  text-align: center;
  text-transform: uppercase;
  text-decoration: none;
  -webkit-box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  cursor: pointer;
}

.animated-white::before {
  content: "";
  position: absolute;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
  background-color: #ad8585;
  opacity: 0;
  -webkit-transition: 0.2s opacity ease-in-out;
  transition: 0.2s opacity ease-in-out;
}

.animated-white:hover::before {
  opacity: 0.2;
}

.animated-white span {
  position: absolute;
}

.animated-white span:nth-child(2) {
  top: 0px;
  left: 0px;
  width: 100%;
  height: 3px;
  background: linear-gradient(to left, rgba(43, 8, 8, 0), #ffffff);
  -webkit-animation: 2s animateTop linear infinite;
  animation: 2s animateTop linear infinite;
}

.animated-white span:nth-child(3) {
  top: 0px;
  right: 0px;
  height: 100%;
  width: 3px;
  background: linear-gradient(to top, rgba(43, 8, 8, 0), #ffffff);
  -webkit-animation: 2s animateRight linear -1s infinite;
  animation: 2s animateRight linear -1s infinite;
}

.animated-white span:nth-child(4) {
  bottom: 0px;
  left: 0px;
  width: 100%;
  height: 3px;
  background: linear-gradient(to right, rgba(43, 8, 8, 0), #ffffff);
  -webkit-animation: 2s animateBottom linear infinite;
  animation: 2s animateBottom linear infinite;
}

.animated-white span:nth-child(5) {
  top: 0px;
  left: 0px;
  height: 100%;
  width: 3px;
  background: linear-gradient(to bottom, rgba(43, 8, 8, 0), #ffffff);
  -webkit-animation: 2s animateLeft linear -1s infinite;
  animation: 2s animateLeft linear -1s infinite;
}

/* ====================== MÀU CAM ================================== */

.animated-orange {
  background: linear-gradient(-30deg, #3d0b0b 50%, #2b0808 50%);
  padding: 0px;
  margin: 0px;
  -webkit-transform: translate(0%, 0%);
  transform: translate(0%, 0%);
  overflow: hidden;
  color: #f7d4d4;
  font-size: 9px;
  letter-spacing: 2.5px;
  text-align: center;
  text-transform: uppercase;
  text-decoration: none;
  -webkit-box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  cursor: pointer;
}

.animated-orange::before {
  content: "";
  position: absolute;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
  background-color: #ad8585;
  opacity: 0;
  -webkit-transition: 0.2s opacity ease-in-out;
  transition: 0.2s opacity ease-in-out;
}

.animated-orange:hover::before {
  opacity: 0.2;
}

.animated-orange span {
  position: absolute;
}

.animated-orange span:nth-child(2) {
  top: 0px;
  left: 0px;
  width: 100%;
  height: 3px;
  background: linear-gradient(to left, rgba(43, 8, 8, 0), #ff8c00);
  -webkit-animation: 2s animateTop linear infinite;
  animation: 2s animateTop linear infinite;
}

.animated-orange span:nth-child(3) {
  top: 0px;
  right: 0px;
  height: 100%;
  width: 3px;
  background: linear-gradient(to top, rgba(43, 8, 8, 0), #ff8c00);
  -webkit-animation: 2s animateRight linear -1s infinite;
  animation: 2s animateRight linear -1s infinite;
}

.animated-orange span:nth-child(4) {
  bottom: 0px;
  left: 0px;
  width: 100%;
  height: 3px;
  background: linear-gradient(to right, rgba(43, 8, 8, 0), #ff8c00);
  -webkit-animation: 2s animateBottom linear infinite;
  animation: 2s animateBottom linear infinite;
}

.animated-orange span:nth-child(5) {
  top: 0px;
  left: 0px;
  height: 100%;
  width: 3px;
  background: linear-gradient(to bottom, rgba(43, 8, 8, 0), #ff8c00);
  -webkit-animation: 2s animateLeft linear -1s infinite;
  animation: 2s animateLeft linear -1s infinite;
}

a {
  text-decoration: none;
  /*color: #ffffff;*/
}

@media (min-width: 1200px) {
  main {
    max-width: 960px;
    box-shadow: 0px 0px 20px;
    margin: auto;
  }
}

.banner {
  padding-left: 0px !important;
  height: 400px;
  width: 100%;
}

main {
  margin-top: 10px;
  margin-bottom: 10px;
  border-bottom-left-radius: 4px;
  border-bottom-right-radius: 4px;
}

/* Let Owl Carousel control item widths via JS config (responsive items). */

#thu-vien img {
  width: 500px;
  height: 250px;
}

.image_title {
  color: #ffffff;
  padding-left: 10px;
}

.image_title:hover {
  color: var(--bs-cyan);
}

@media (min-width: 375px) {
  .navbar {
    width: var(--with-mobile);
  }
}

@media (min-width: 375px) {
  .video {
    width: 375px;
    height: 184px;
  }
}

@media (min-width: 992px) {
  .navbar {
    width: 100%;
  }
}

@media (min-width: 375px) {
  .banner {
    width: var(--with-mobile);
    height: 230px;
  }
}

.accordian {
  width: 805px;
  height: 320px;
  overflow: hidden;
  box-shadow: 0 0 10px 1px rgba(0, 0, 0, 0.35);
  -webkit-box-shadow: 0 0 10px 1px rgba(0, 0, 0, 0.35);
  -moz-box-shadow: 0 0 10px 1px rgba(0, 0, 0, 0.35);
  margin-top: 0;
}

@media (min-width: 375px) {
  .accordian {
    width: cals(var(--with-375)-2);
    height: 320px;
  }
}

@media (min-width: 820px) {
  .accordian {
    width: cals(var(--with-820)-2);
    height: 320px;
  }
}
@media (min-width: 1200px) {
  .accordian {
    width: 100%;
    height: 320px;
  }
}

.accordian ul {
  width: 1200px;
}

.accordian li {
  position: relative;
  display: block;
  width: 160px;
  float: left;
  border-left: 1px solid #888;
  box-shadow: 0 0 25px 10px rgba(0, 0, 0, 0.5);
  -webkit-box-shadow: 0 0 25px 10px rgba(0, 0, 0, 0.5);
  -moz-box-shadow: 0 0 25px 10px rgba(0, 0, 0, 0.5);
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
}

@media (min-width: 375px) {
  .accordian li {
    width: 52px;
  }
}

@media (min-width: 768px) {
  .accordian li {
    width: 112px;
  }
}

@media (min-width: 1200px) {
  .accordian li {
    width: 160px;
  }
}

.accordian ul:hover li {
  width: 40px;
}

@media (min-width: 375px) {
  .accordian ul:hover li {
    width: 20px;
  }
}

@media (min-width: 768px) {
  .accordian ul:hover li {
    width: 40px;
  }
}

@media (min-width: 1200px) {
  .accordian ul:hover li {
    width: 60px;
  }
}

.accordian ul li:hover {
  width: 640px;
}

@media (min-width: 375px) {
  .accordian ul li:hover {
    width: 240px;
  }
}

@media (min-width: 768px) {
  .accordian ul li:hover {
    width: 440px;
  }
}

@media (min-width: 1200px) {
  .accordian ul li:hover {
    width: 640px;
  }
}

.accordian li img {
  display: block;
  height: 350px;
  width: 650px;
}

@media (min-width: 375px) {
  .accordian li img {
    display: block;
    height: 320px;
    width: 350px;
  }
}

@media (min-width: 768px) {
  .accordian li img {
    display: block;
    height: 350px;
    width: 505px;
  }
}

@media (min-width: 1200px) {
  .accordian li img {
    display: block;
    height: 350px;
    width: 650px;
  }
}
.image_title {
  background: rgba(0, 0, 0, 0.4);
  position: absolute;
  left: 0;
  bottom: 0;
  width: 640px;
  height: 60px;
}

.btn-white {
  background-color: #fff;
  border-color: #e7eaf3;
}

.bg-info {
  background-color: #0dcaf0 !important;
}

.bg-primary {
  background-color: #008cff !important;
}

.bg-danger {
  background-color: #fd3550 !important;
}

.bg-warning {
  background-color: #ffc107 !important;
}

.radius-15 {
  border-radius: 15px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  word-wrap: break-word;
  background-color: #fff;
  background-clip: border-box;
  border: 0px solid rgba(0, 0, 0, 0);
  border-radius: 0.25rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 6px 0 rgb(218 218 253 / 65%),
    0 2px 6px 0 rgb(206 206 238 / 54%);
}

.list-inline-item:not(:last-child) {
  margin-right: 0.5rem;
}

.contacts-social a {
  font-size: 16px;
  width: 36px;
  height: 36px;
  line-height: 36px;
  background: #ffffff;
  border: 1px solid #eeecec;
  text-align: center;
  border-radius: 50%;
  color: #2b2a2a;
}

#contactForm .h4 {
  font-weight: 400;
  border-bottom: 1px solid silver;
}

#contactForm .h4 {
  font-weight: 400;
  border-bottom: 1px solid silver;
}

.required-input {
  color: maroon;
}

.static-map {
  margin-bottom: 20px;
}

@media (max-width: 768px) and (min-width: 767px) {
  #contactForm .static-map img {
    width: 100%;
  }
}

.bs-icon {
  --bs-icon-size: 0.75rem;
  display: flex;
  flex-shrink: 0;
  justify-content: center;
  align-items: center;
  font-size: var(--bs-icon-size);
  width: calc(var(--bs-icon-size) * 2);
  height: calc(var(--bs-icon-size) * 2);
  color: var(--bs-primary);
}

.bs-icon-xs {
  --bs-icon-size: 1rem;
  width: calc(var(--bs-icon-size) * 1.5);
  height: calc(var(--bs-icon-size) * 1.5);
}

.bs-icon-sm {
  --bs-icon-size: 1rem;
}

.bs-icon-md {
  --bs-icon-size: 1.5rem;
}

.bs-icon-lg {
  --bs-icon-size: 2rem;
}

.bs-icon-xl {
  --bs-icon-size: 2.5rem;
}

.bs-icon.bs-icon-primary {
  color: var(--bs-white);
  background: var(--bs-primary);
}

.bs-icon.bs-icon-primary-light {
  color: var(--bs-primary);
  background: rgba(var(--bs-primary-rgb), 0.2);
}

.bs-icon.bs-icon-semi-white {
  color: var(--bs-primary);
  background: rgba(255, 255, 255, 0.5);
}

.bs-icon.bs-icon-rounded {
  border-radius: 0.5rem;
}

.bs-icon.bs-icon-circle {
  border-radius: 50%;
}

h1 {
  font-family: Montserrat, sans-serif;
}

@media (min-width: 992px) {
  .banner {
    width: 100%;
    height: 400px;
  }
}

@media (min-width: 992px) {
  .gioi-thieu-p {
    width: 100%;
  }
}

@media (min-width: 992px) {
  .video {
    width: 42%;
    height: 210px;
  }
}

.danh-sach-tai-lieu {
  height: 400px;
  overflow-x: hidden;
  overflow-y: auto;
}