.masthead {
  position: relative;
  width: 100%;
  height: auto;
  min-height: 35rem;
  padding: 15rem 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.7) 75%, #000 100%), url("../assets/img/bg-masthead.jpg");
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: scroll;
  background-size: cover;
}
.masthead h1, .masthead .h1 {
  font-family: "Varela Round", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  font-size: 2.5rem;
  line-height: 2.5rem;
  letter-spacing: 0.8rem;
  background: linear-gradient(rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0));
  -webkit-text-fill-color: transparent;
  -webkit-background-clip: text;
          background-clip: text;
}
.masthead h2, .masthead .h2 {
  max-width: 20rem;
  font-size: 1rem;
  /* background: var(--bs-4); */
}
@media (min-width: 768px) {
  .masthead h1, .masthead .h1 {
    font-size: 4rem;
    line-height: 4rem;
  }
}
@media (min-width: 992px) {
  .masthead {
    height: 100vh;
    padding: 0;
  }
  .masthead h1, .masthead .h1 {
    font-size: 6.5rem;
    line-height: 6.5rem;
    letter-spacing: 0.8rem;
  }
  .masthead h2, .masthead .h2 {
    max-width: 30rem;
    font-size: 1.25rem;
  }
}

.gradient-background {
  background: linear-gradient(300deg, rgba(25, 197, 208, 0.8), rgba(180, 180, 179, 0.8), rgba(253, 255, 241, 0.8));
  background-size: 180% 180%;
  animation: gradient-animation 10s ease infinite;
}

.contact-section {
  padding-top: 5rem;
}
.contact-section .card {
  border: 0;
  border-bottom: 0.25rem solid #64a19d;
}
.contact-section .card h4, .contact-section .card .h4 {
  font-size: 0.8rem;
  font-family: "Varela Round", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  text-transform: uppercase;
  letter-spacing: 0.15rem;
}
.contact-section .card hr {
  opacity: 1;
  border-color: #64a19d;
  border-width: 0.25rem;
  width: 3rem;
}
.contact-section .social {
  margin-top: 5rem;
}
.contact-section .social a {
  text-align: center;
  height: 3rem;
  width: 3rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 100%;
  line-height: 3rem;
  color: rgba(255, 255, 255, 0.3);
}
.contact-section .social a:hover {
  color: rgba(255, 255, 255, 0.5);
}
.contact-section .social a:active {
  color: #fff;
}

.text-primary {
  --bs-text-opacity: 1;
  color: rgba(100, 161, 157, 1) !important;
}

footer{
  padding: 1rem;
}

.carousel {
  max-width: 80vh; /* 設置輪播的最大寬度 */
  margin: 0 auto; /* 水平居中 */
}

.carousel-inner {
  max-height: 400px; /* 設置輪播內容的最大高度 */
}

.carousel-item img {
  width: 60%; /* 讓圖片寬度佔容器的 60% */
  margin: 0 auto; /* 水平居中 */
  display: block; /* 設置為 block 元素，以便居中 */
  
}