.section-title {
  font-size: 2rem;
  color: #15639b;
  font-weight: bold;
  letter-spacing: 0.5px;
  margin-bottom: 0;
  white-space: nowrap;
}
.section-title-underline {
  width: 40px;
  height: 0;
  border-top: 2.5px solid #be1818;
  margin-top: 0.2em;
  margin-bottom: 0.2em;
  flex-shrink: 0;
}
.section-subtitle {
  font-size: 1.13rem;
  color: #232323;
  font-weight: 400;
  margin-left: 4px;
  margin-bottom: 0;
  letter-spacing: 0.2px;
  white-space: nowrap;
}
@media (max-width: 767px) {
  .section-title { font-size: 1.13rem; }
  .section-subtitle { font-size: 0.98rem; }
  .section-title-underline { width: 28px; }
  .d-flex.gap-3 { flex-direction: column; align-items: flex-start !important; gap: 0.2rem !important;}
}

.product-card {
  border-radius: 10px;
  border: 1.3px solid #e4e8ee;
  transition: box-shadow 0.16s, border 0.16s;
  cursor: pointer;
}
.product-card:hover {
  box-shadow: 0 6px 36px rgba(21,99,155,0.13);
  border-color: #15639b;
}
.product-title {
  font-weight: 500;
  color: #232323;
  font-size: 1.12rem;
}
.product-arrow {
  color: #15639b;
  font-size: 1.6rem;
  transition: color 0.13s;
}
.product-card:hover .product-arrow {
  color: #b62d2d;
}
.card-img-top {
  border-radius: 10px 10px 0 0;
  object-fit: cover;
  height: 200px;
}

.card-img-top-product {
  border-radius: 10px 10px 0 0;
  object-fit: cover;
  height: 220px;
}

@media (max-width: 991px) {
  .section-title { font-size: 1.3rem;}
  .section-subtitle { font-size: 0.97rem;}
  .card-img-top { height: 130px;}
}

.banner-overlay {
  min-height: 330px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  /* 加漸層遮罩 */
  position: relative;
}
.banner-overlay::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(16,59,108,0.35) 30%, rgba(0,0,0,0.18) 100%);
  z-index: 1;
}

.banner-card {
  position: relative;
  z-index: 2;
  max-width: 680px;
  margin: 0 auto;
  background: rgba(255,255,255,0.87);
  /* 玻璃感，可視需要加這行 */
  /* backdrop-filter: blur(5px); */
  border-radius: 22px;
  /* box-shadow: 0 6px 32px 0 rgba(26,68,131,0.10); */
  padding: 38px 36px 34px 36px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  
  color: #232323; 
  text-shadow:
    0 1.5px 7px rgba(255,255,255,0.16),  /* 柔白外光 */
    0 0.5px 0 rgba(255,255,255,0.10);    /* 細白描邊 */
}
/**
.banner-card h1 {
  font-size: 2.5rem;
  font-weight: bold;
  color: #1465ab;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
**/
.banner-card h1 {
  color: #1465ab;
  font-size: 2.1rem;
  font-weight: bold;
  text-shadow: 0 1px 3px #fff, 0 2px 8px rgba(0,0,0,0.22);
}

.banner-card .desc {
  color: #232323;  /* 深灰黑 */
  font-size: 1.08rem;
  line-height: 1.8;
  text-align: center;
  margin-bottom: 10px;
  font-weight: 400;
  text-shadow:
    0 1.5px 7px rgba(255,255,255,0.16),  /* 柔白外光 */
    0 0.5px 0 rgba(255,255,255,0.10);    /* 細白描邊 */
}
@media (max-width: 768px) {
  .banner-card {
    max-width: 98vw;
    padding: 24px 12px;
  }
  .banner-card h1 { font-size: 1.5rem;}
}