* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  font-size: 62.5%;
}
ul {
  list-style: none;
}
a {
  text-decoration: none;
  color: #333;
}
.header {
  width: 100%;
  padding: 20px 40px;
  border-bottom: 1px solid #eee;
  box-shadow: 0px 4px 10px 0px #00000018;
}
.btn {
  width: fit-content;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 51px;
  font-size: 20px;
  padding: 0 20px;
  font-weight: bold;
  background: #F67826;
  color: #fff;
  box-shadow: 0px 4px 4px 0px #00000040;
  border-radius: 4px;
  cursor: pointer;
  text-shadow: 1px 1px 10px rgba(0, 0, 0, 0.4);
  transition: 0.3s ease-in-out;
}
.btn:hover {
  background: #333 !important;
}
.btn2 {
  background: #4491CE;
}
.nav-bar {
  width: 100%;
  display: flex;
  justify-content: space-between;
  position: relative;
}
.nav-bar .hamburger {
  display: none;
  font-size: 24px;
  cursor: pointer;
  color: #0E3267;
  z-index: 1000;
}
.nav-bar .logo-box {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-bar .logo-box img {
  width: 80px;
}
.nav-bar .logo-box div {
  font-size: 20px;
  font-weight: bold;
  color: #0E3267;
}
.nav-bar .nav-links {
  display: flex;
  align-items: center;
  gap: 50px;
}
.nav-bar .nav-links li a {
  font-size: 18px;
  color: #0E3267;
}
.nav-bar .nav-links li a:hover {
  text-decoration: underline;
}
.nav-bar .nav-links li .nav-active {
  text-decoration: underline;
}
.nav-bar .nav-links li:last-child a {
  text-decoration: none;
}
.banner {
  background: url('../images/h1.png') no-repeat center center / cover;
  height: 120vh;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #2968B2;
  font-size: 40px;
  font-weight: bold;
}
.banner .b-text-2 {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.banner .b-text-1 {
  width: 100%;
  height: 100%;
  padding: 0 6vw;
  padding-top: 10vh;
  text-align: left;
}
.banner .b-text-1 h1 {
  font-size: 10vw;
}
.banner .b-text-1 h1 span {
  color: #fff;
}
.banner .b-text-1 p {
  color: #000;
  font-size: 1.75vw;
  line-height: 2;
}
.banner .b-text-1 .btn {
  width: 25vw;
  margin-top: 3vw;
  margin-left: 6vw;
  background: #4491CE;
}
.banner2 {
  background: url('../images/bg4.png') no-repeat center center / cover;
}
.banner2 h1 {
  font-size: 10vw;
  color: #fff;
}
.banner3 {
  background: url('../images/c1.png') no-repeat center center / cover;
}
.banner3 h1 {
  font-size: 10vw;
  color: #fff;
}
@media screen and (max-width: 908px) {
  .nav-bar .hamburger {
    display: block;
    align-self: center;
  }
  .nav-bar .nav-links {
    position: fixed;
    top: 0;
    left: -100%;
    height: 100vh;
    width: 70%;
    background: white;
    flex-direction: column;
    padding: 100px 20px;
    transition: 0.3s ease-in-out;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
  }
  .nav-bar .nav-links.active {
    left: 0;
  }
  .nav-bar .nav-links li {
    width: 100%;
  }
  .nav-bar .nav-links li a {
    display: block;
    padding: 10px 0;
  }
  .nav-bar .nav-links li .btn {
    width: 100%;
    margin-top: 20px;
  }
  .banner {
    height: 100vh;
  }
  .banner .b-text-1 {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 0;
  }
  .banner .b-text-1 h1 {
    font-size: 15vw;
  }
  .banner .b-text-1 p {
    font-size: 4vw;
  }
  .banner .b-text-1 p br {
    display: none;
  }
  .banner .b-text-1 .btn {
    width: 60vw;
    margin: 8vw auto 0;
  }
}
@media screen and (max-width: 480px) {
  .banner .b-text-1 h1 {
    font-size: 18vw;
  }
  .banner .b-text-1 p {
    font-size: 5vw;
    padding: 0 20px;
  }
  .banner .b-text-1 .btn {
    width: 80vw;
  }
}
.hr {
  width: 80%;
  height: 1px;
  margin: 40px auto;
  background: #eee;
}
footer {
  background: #F5F5F5;
  padding: 60px 0;
  margin-top: 40px;
}
footer .footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
footer .footer-content .footer-section h2 {
  color: #0E3267;
  font-size: 24px;
  margin-bottom: 20px;
}
footer .footer-content .footer-section ul li {
  margin-bottom: 15px;
}
footer .footer-content .footer-section ul li a {
  color: #666;
  font-size: 16px;
  transition: color 0.3s;
}
footer .footer-content .footer-section ul li a:hover {
  color: #0E3267;
}
footer .footer-content .footer-section ul li i {
  color: #0E3267;
  width: 20px;
  margin-right: 10px;
}
footer .footer-content .footer-section ul li span {
  color: #666;
}
footer .footer-content .footer-section .social-links {
  margin-top: 30px;
  display: flex;
  gap: 20px;
}
footer .footer-content .footer-section .social-links a {
  width: 40px;
  height: 40px;
  background: #0E3267;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s;
}
footer .footer-content .footer-section .social-links a i {
  color: white;
  font-size: 18px;
}
footer .footer-content .footer-section .social-links a:hover {
  background: #F67826;
}
@media screen and (max-width: 768px) {
  footer .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  footer .footer-content .footer-section ul li i {
    margin-right: 5px;
  }
  footer .footer-content .footer-section .social-links {
    justify-content: center;
  }
}