body {
  font-size: 0.875em;
  background-color: #fff;
  font-weight: 400;
  font-family: Poppins, sans-serif;
  margin: 0;
  padding: 0;
}

.top_nav {
  height: 27px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(248, 249, 250, 1);

}

.top_nav ul {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  list-style: none;
  cursor: pointer;
}

.top_nav ul li a {
  text-decoration: none;
  color: #0676bd;
  font-size: 16px;
  font-weight: 600;
}

.top_nav ul li a:hover {
  filter: drop-shadow(0 0 5px yellow);
  text-decoration: underline;
}

.top_nav .lan {
  display: flex;
  position: absolute;
  right: 10%;
  gap: 5px;
}

.top_nav .col {
  display: flex;
  position: absolute;
  right: 5%;
}

@media(max-width:442px) {
  .top_nav {
    width: 400px;
  }
}

@media(max-width:1000px) {

  .lan,
  .col {
    opacity: 0;
  }
}

.logo {
  width: 100%;
}

.logo img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 5px;
}

.main {
  position: relative;
  width: 100%;
  transition: height 0.3s ease;
}

.nav {
  width: 100%;
  background-color: #0676bd;
  justify-content: space-evenly;
  overflow: hidden;
  max-height: 50px;
  transition: max-height 0.3s ease;
}

.nav a {
  display: flex;
  text-decoration: none;
  color: #fff;
}

.nav ul {
  list-style: none;
  margin: 0;
  padding: 16px 0;
  justify-content: center;
  display: flex;
  flex-wrap: wrap;
}

.nav ul li {
  padding: 5px 5.5px;
}

.nav li:hover {
  background-color: rgb(21, 35, 87);
  border-radius: 5px;
}

#ch_b {
  display: none;
}

.ch_box {
  position: absolute;
  right: 10px;
  font-size: xx-large;
  padding-top: 15px;
  display: none;
  cursor: pointer;
}

.ch_box:hover {
  filter: drop-shadow(0 0 5px rgb(250, 252, 110));
  font-size: 35px;
}

@media (max-width:1099px) {
  .ch_box {
    display: block;
  }

  #ch_b:checked~.nav {
    max-height: 30vh;
    overflow-y: auto;
    scrollbar-width: none;
  }

  #ch_b:checked~.nav::-webkit-scrollbar {
    width: 6px;
  }

  #ch_b:checked~.nav::-webkit-scrollbar-thumb {
    background-color: #fff;
    border-radius: 3px;
  }

  .nav ul {
    flex-direction: column;
    align-items: center;
  }

  .nav li a {
    justify-content: center;
    padding: 12px;
  }

  .nav li {
    margin: 0;
  }

  .nav li:hover {
    width: 50%;
  }
}

@media (min-width:1100px) {
  .nav {
    max-height: 60px;
    overflow: visible;
  }
}

.notic_main {
  display: flex;
  position: relative;
  margin-top: 2px;
  width: 99.7%;
  height: 28px;
  border: 2px solid #0676bd;
}

.notic_main span {
  padding-top: 5px;
  width: 4rem;
  padding-left: 10px;
  color: #fff;
  background-color: #0676bd;
  border-radius: 0 5px 5px 0;
}

.notic_main marquee {
  padding-top: 5px;
}

.page-content {
  margin: 5px;
  font-family: Arial, sans-serif;
  background: #f2f6f9;
  display: flex;
  justify-content: center;
}

.bo_ {
  margin: 0 150px;
  background: #fff;
  display: flex;
  align-items: self-start;
  justify-content: center;
}

.slider {
  position: relative;
  width: 590px;
  height: 280px;
}

input[type="radio"] {
  display: none;
}

.slides {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 1s;
}

.slide {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
}

.slide:nth-child(1) {
  transform: rotateY(0deg) translateZ(320px);
}

.slide:nth-child(2) {
  transform: rotateY(90deg) translateZ(320px);
}

.slide:nth-child(3) {
  transform: rotateY(180deg) translateZ(320px);
}

.slide:nth-child(4) {
  transform: rotateY(270deg) translateZ(320px);
}

#s1:checked~.slides {
  transform: rotateY(0deg);
}

#s2:checked~.slides {
  transform: rotateY(-90deg);
}

#s3:checked~.slides {
  transform: rotateY(-180deg);
}

#s4:checked~.slides {
  transform: rotateY(-270deg);
}

.slider-nav {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
}

.nav-btns {
  position: absolute;
  width: 95%;
  top: 50%;
  transform: translateY(-50%);
  display: none;
  justify-content: space-between;
  padding: 0 15px;
  pointer-events: none;
}

.nav-btns label {
  font-size: 40px;
  color: white;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 50%;
  padding: 5px 12px;
  cursor: pointer;
  pointer-events: all;
  transition: background 0.3s;
}

.nav-btns label:hover {
  background: rgba(0, 0, 0, 0.7);
}

#s1:checked~.slider-nav #nav1 {
  display: flex;
}

#s2:checked~.slider-nav #nav2 {
  display: flex;
}

#s3:checked~.slider-nav #nav3 {
  display: flex;
}

#s4:checked~.slider-nav #nav4 {
  display: flex;
}

.notice-board {
  width: 320px;
  border-radius: 6px;
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.academic-notice {
  background: white;
  border-left: 5px solid #0d86bb;
}

.academic-notice .notice-header {
  background: #0d86bb;
  color: white;
}

.important-links {
  background: #fdf8f2;
  border-left: 5px solid #ff9800;
}

.important-links .notice-header {
  background: #ff9800;
  color: white;
}

.notice-header {
  padding: 12px 15px;
  font-weight: bold;
  font-size: 16px;
}

.notice-container {
  height: 180px;
  overflow: hidden;
  position: relative;
}

.academic-notice .notice-list {
  list-style: none;
  padding: 0;
  margin: 0;
  animation: scrollUp 18s linear infinite;
}

.important-links .notice-list {
  list-style: none;
  padding: 0;
  margin: 0;
  animation: scrollUp 10s linear infinite;
}

.notice-list li {
  padding: 10px 15px;
  border-bottom: 1px solid #ddd;
}

.notice-list li a {
  color: #0066cc;
  text-decoration: none;
  font-size: 14px;
}

.notice-list li a:hover {
  text-decoration: underline;
}

.view-more {
  padding: 10px 15px;
  background: #f5f5f5;
  text-align: right;
}

.view-more a {
  font-size: 13px;
  color: #0d86bb;
  text-decoration: none;
}

.view-more a:hover {
  text-decoration: underline;
}

@keyframes scrollUp {
  0% {
    transform: translateY(0);
  }

  100% {
    transform: translateY(-100%);
  }
}

@media (max-width: 1135px) {
  .bo_ {
    margin: 0 150px;
  }

  .slider {
    width: 390px;
    height: 280px;
  }

  .slide:nth-child(1) {
    transform: rotateY(0deg) translateZ(270px);
  }

  .slide:nth-child(2) {
    transform: rotateY(90deg) translateZ(270px);
  }

  .slide:nth-child(3) {
    transform: rotateY(180deg) translateZ(270px);
  }

  .slide:nth-child(4) {
    transform: rotateY(270deg) translateZ(270px);
  }

  .nav-btns {
    width: 93%;
  }
}

@media (max-width: 930px) {
  .bo_ {
    margin: 0 50px;
  }

  .slide:nth-child(1) {
    transform: rotateY(0deg) translateZ(150px);
  }

  .slide:nth-child(2) {
    transform: rotateY(90deg) translateZ(150px);
  }

  .slide:nth-child(3) {
    transform: rotateY(180deg) translateZ(150px);
  }

  .slide:nth-child(4) {
    transform: rotateY(270deg) translateZ(150px);
  }

  .nav-btns {
    width: 90%;
  }
}

@media (max-width: 768px) {
  .page-content {
    flex-direction: column;
    align-items: center;
    padding: 10px;
  }

  .bo_ {
    margin: 0;
    width: 100%;
    justify-content: center;
  }

  .slider {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
  }

  .slide img {
    height: 100%;
  }

  .notice-board {
    width: 90%;
    margin-top: 20px;
  }

  .nav-btns {
    width: 95%;
  }

  .notice-list li a {
    font-size: 10px;
  }
}

@media (max-width: 480px) {
  .slider {
    width: 100%;
    aspect-ratio: 16 / 10;
  }

  .nav-btns label {
    font-size: 28px;
    padding: 4px 10px;
  }

  .notice-header {
    font-size: 14px;
    padding: 10px;
  }

  .notice-list li a {
    font-size: 5px;
  }

  .nav-btns {
    width: 88%;
  }
}

.about {
  background-color: #bfdbfe;
  padding-top: 3rem !important;
  padding-bottom: 3rem !important;
  --bs-gutter-x: 1.5rem;
  --bs-gutter-y: 0;
  padding-right: calc(var(--bs-gutter-x) * .5);
  padding-left: calc(var(--bs-gutter-x) * .5);
  margin-right: auto;
  margin-left: auto;
}

.beu-section {

  background: linear-gradient(135deg, #f5f7fa, #c3cfe2);
  padding: 40px 20px;
  border-radius: 15px;
  box-shadow: 0 0 25px #0000000d;

}

.container {
  display: flex;
  align-items: center;
}

.full_containear {
  margin: 0 90px;
}

.about_s {
  width: 80%;
  padding: 0px 15px;
}

.about_s h2 {
  font-weight: 700;
  font-size: 32px;
  font-family: "Poppins", sans-serif;
  color: #0066cc;
  margin-bottom: 50px;
}

.about_s span {
  opacity: 0.8;
  color: #202020;
  font-weight: 650;
  font-size: 30px;
}

.about_i {
  padding: 0px 15px;
}

.about_i img {
  width: 100%;
  border-radius: 15px;
  object-fit: cover;
  vertical-align: middle;
}

.about_s p {
  font-size: 16px;
  line-height: 2;
  color: #212121;
  opacity: 0.8;
  margin: 30px 20px;
}

.about_i h5 {
  margin: 16px 0px;
  padding: 16px 0px;
  font-size: 20px;
  border-top: 2px solid white;
  text-align: center;
}

@media(max-width:1010px) {
  .container {
    display: block;
  }

  .full_containear {
    margin: 0px 40px;
  }
}

@media(max-width:745px) {
  .about_s p {
    margin: 30px 0px;
  }

  .about_s {
    padding: 0;
  }

  .about_i {
    padding: 0;
  }

  .beu-section {
    text-align: center;
  }
}

@media(max-width:382px) {
  .beu-section {
    text-align: left;
  }
}

@media(max-width:382px) {
  .about_i img {
    width: 200px;
    height: 100px;
  }
}

section {
  padding: 70px 10%;
  text-align: center;
  background: linear-gradient(135deg, #eef4ff, #ffffff);
}

section h2 {
  font-size: 2.3rem;
  font-weight: 700;
  color: #0055cc;
  margin-bottom: 50px;
  position: relative;
  display: inline-block;
  letter-spacing: 1px;
}

section h2::after {
  content: "";
  display: block;
  width: 70%;
  height: 4px;
  background: linear-gradient(90deg, #00ff2a, #ff0000);
  margin: 10px auto 0;
  border-radius: 2px;
}

.programme-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.programme-card {
  background: #fff;
  padding: 35px 25px;
  border-radius: 18px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  cursor: pointer;
}

.programme-card:hover {
  transform: translateY(-12px) scale(1.03) rotate(-1deg);
  box-shadow: 0 12px 28px rgba(0, 85, 204, 0.25);
}

.icon-circle {
  width: 90px;
  height: 90px;
  margin: 0 auto 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

.ug {
  background: linear-gradient(135deg, #0055cc, #00aaff);
}

.pg {
  background: linear-gradient(135deg, #28a745, #66cc66);
}

.research {
  background: linear-gradient(135deg, #8e44ad, #c084fc);
}

.icon-circle img {
  width: 50px;
  filter: brightness(0) invert(1);
}

.programme-card h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: #222;
}

.programme-card p {
  font-size: 1rem;
  color: #555;
  line-height: 1.6;
  margin-bottom: 25px;
  padding: 0 10px;
}

.programme-card a {
  display: inline-block;
  padding: 12px 28px;
  background: linear-gradient(135deg, #0055cc, #00aaff);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  border-radius: 30px;
  transition: 0.4s ease;
  box-shadow: 0 4px 10px rgba(0, 85, 204, 0.3);
}

.programme-card a:hover {
  background: linear-gradient(135deg, #00aaff, #0055cc);
  box-shadow: 0 6px 15px rgba(0, 85, 204, 0.4);
  transform: scale(1.05);
}

section.footer {
  background: #0072c6;
  color: white;
  padding: 40px 20px 20px;
}

.footer-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
  max-width: 1400px;
  margin: auto;
}

.footer-box {
  flex: 1 1 250px;
}

.footer-box h2,
.footer-box h3 {
  margin-bottom: 10px;
  font-size: 18px;
}

.footer-box p {
  font-size: 14px;
  line-height: 1.5;
}

.map {
  margin-top: 10px;
  border-radius: 8px;
  overflow: hidden;
}

.map iframe {
  width: 100%;
  height: 300px;
  border: 0;
}

ul {
  list-style: none;
  padding: 0;
}

ul li {
  margin-bottom: 8px;
}

ul li a {
  color: white;
  text-decoration: none;
}

ul li a:hover {
  text-decoration: underline;
}

.social-icons a {
  display: inline-block;
  margin-right: 10px;
  color: white;
  font-size: 20px;
  text-decoration: none;
}

.visitor-table {
  background: white;
  color: black;
  border-collapse: collapse;
  width: 100%;
  margin-top: 10px;
}

.visitor-table th,
.visitor-table td {
  border: 1px solid #ddd;
  padding: 8px;
  text-align: center;
}

.bottom-bar {
  text-align: center;
  padding: 15px;
  font-size: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  margin-top: 20px;
}

@media(max-width:768px) {
  .footer-container {
    flex-direction: column;
    text-align: center;
  }

  .map iframe {
    height: 300px;
  }
}

.social-icons i:hover {
  color: rgb(189, 4, 90);
  filter: drop-shadow(0px 0px 2px rgb(223, 252, 5));
  transform: scale(1.5);
  transition: all 0.5s linear;
}

.developer {
  padding: 50px 4%;
  min-height: 50vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, #636d71, #da9898, #ffffff);
  overflow: hidden;
  border-radius: 5px;
}

.profile-card {
  width: 98%;
  max-width: 1400px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px 15px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(15px);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
  transform-style: preserve-3d;
  transition: 0.5s ease;
}

.profile-card:hover {
  transform: rotateY(6deg) rotateX(3deg);
}

.profile-content {
  flex: 1;
  color: #fff;
  padding-right: 40px;
  text-align: start;
}

.profile-content h1 {
  font-size: 40px;
  margin-bottom: 10px;
}

.profile-content h3 {
  font-size: 18px;
  color: #00ffd5;
  margin-bottom: 20px;
}

.profile-content p {
  font-size: 15px;
  line-height: 1.7;
  opacity: 0.9;
}

.profile-content .btn {
  display: inline-block;
  margin-top: 25px;
  padding: 12px 28px;
  background: #00ffd5;
  color: #000;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  transition: 0.3s;
}

.profile-content .btn:hover {
  background: #fff;
  transform: translateY(-3px);
}

.profile-image {
  position: relative;
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  left: 40px;
}

.profile-image img {
  width: 260px;
  height: 260px;
  border-radius: 50%;
  object-fit: cover;
  border: 6px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  transform: translateZ(40px);
  transition: 0.5s;
}

.profile-card:hover img {
  transform: translateZ(80px) scale(1.05);
}

@media(max-width:768px) {
  .profile-card {
    flex-direction: column-reverse;
    text-align: center;
  }

  .profile-content {
    padding: 0;
    margin-top: 30px;
  }
}