@charset "UTF-8";

.product-section {
  padding: 0 15px;
}
@media (min-width: 768px) {
  .product-section {
    padding: 0 30px;
  }
}
@media (min-width: 1280px) {
  .product-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
  }
}

.product-section > header {
  padding: 40px 0 30px;
  text-align: center;
}
@media (min-width: 768px) {
  .product-section > header {
    padding: 60px 0 40px;
  }
}
@media (min-width: 992px) {
  .product-section > header {
    padding: 80px 0 50px;
  }
}
.product-section > header h4 {
  font-size: 25px;
  color: #2b2b2b;
  font-weight: 300;
  font-family: 'Titillium Web', sans-serif;
}
@media (min-width: 768px) {
  .product-section > header h4 {
    font-size: 36px;
  }
}
.product-section > header .summary {
  font-size: 14px;
  color: #555;
  line-height: 24px;
  margin-top: 20px;
}
@media (min-width: 768px) {
  .product-section > header .summary {
    font-size: 15px;
    line-height: 28px;
  }
}

.product-item {
  border: 1px solid #dfdfdf;
  border-radius: 0;
  margin-bottom: 25px;
  overflow: hidden;
  background: #fff;
}
@media (min-width: 768px) {
  .product-item {
    margin-bottom: 40px;
  }
}

.product-item-header {
  background-color: #f8f8f8;
  padding: 15px 20px;
  cursor: pointer;
  position: relative;
  border-left: 3px solid #e00014;
  transition: background-color 0.2s;
}
.product-item-header:hover {
  background-color: #f0f0f0;
}
.product-item-header h5 {
  font-size: 16px;
  color: #2b2b2b;
  font-weight: 500;
  margin: 0;
  padding-right: 30px;
}
@media (min-width: 768px) {
  .product-item-header h5 {
    font-size: 18px;
  }
}
.product-item-header .toggle-icon {
  position: absolute;
  right: 20px;
  top: 50%;
  margin-top: -10px;
  font-size: 20px;
  color: #999;
  line-height: 20px;
  transition: transform 0.3s;
}
.product-item-header.collapsed {
  background-color: #fff;
  border-left-color: #dfdfdf;
}
.product-item-header.collapsed h5 {
  color: #555;
}
.product-item-header.collapsed .toggle-icon {
  color: #ccc;
  transform: rotate(180deg);
}

.product-item-body {
  padding: 20px;
}
@media (min-width: 768px) {
  .product-item-body {
    padding: 30px;
  }
}

.product-item-body .product-row {
  display: flex;
  flex-direction: column;
}
@media (min-width: 768px) {
  .product-item-body .product-row {
    flex-direction: row;
    gap: 30px;
  }
}

.product-image {
  text-align: center;
  margin-bottom: 20px;
  flex-shrink: 0;
}
@media (min-width: 768px) {
  .product-image {
    width: 280px;
    margin-bottom: 0;
  }
}
@media (min-width: 992px) {
  .product-image {
    width: 350px;
  }
}
.product-image img {
  max-width: 100%;
  max-height: 300px;
  height: auto;
}

.product-image-empty {
  min-height: 180px;
  border: 1px dashed #d8d8d8;
  color: #999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fafafa;
}

.product-info {
  flex: 1;
}

.product-subtitle {
  font-size: 14px;
  color: #e00014;
  font-weight: 500;
  margin-bottom: 15px;
}
@media (min-width: 768px) {
  .product-subtitle {
    font-size: 15px;
  }
}

.product-desc {
  font-size: 13px;
  color: #555;
  line-height: 22px;
  margin-bottom: 15px;
}
@media (min-width: 768px) {
  .product-desc {
    font-size: 14px;
    line-height: 24px;
  }
}

.spec-section-title {
  font-size: 14px;
  font-weight: 500;
  color: #2b2b2b;
  margin: 18px 0 8px;
}
@media (min-width: 768px) {
  .spec-section-title {
    font-size: 15px;
  }
}

.product-features {
  margin-bottom: 20px;
}
.product-features li {
  position: relative;
  padding-left: 14px;
  font-size: 13px;
  color: #555;
  line-height: 26px;
}
.product-features li:before {
  position: absolute;
  left: 0;
  content: "·";
  color: #e00014;
  font-weight: bold;
  font-size: 18px;
}
@media (min-width: 768px) {
  .product-features li {
    font-size: 14px;
  }
}

.product-specs {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 15px;
  font-size: 13px;
}
@media (min-width: 768px) {
  .product-specs {
    font-size: 14px;
  }
}
.product-specs th,
.product-specs td {
  padding: 8px 12px;
  border: 1px solid #dfdfdf;
  text-align: left;
  vertical-align: middle;
}
.product-specs th {
  background-color: #fafafa;
  color: #333;
  font-weight: 500;
  white-space: nowrap;
  width: 140px;
}
@media (min-width: 768px) {
  .product-specs th {
    width: 160px;
  }
}
.product-specs td {
  color: #555;
}
.product-specs caption {
  caption-side: top;
  text-align: left;
  font-size: 14px;
  font-weight: 500;
  color: #2b2b2b;
  padding: 8px 0;
}
.product-specs.optical-table th,
.product-specs.optical-table td {
  text-align: center;
}
.product-specs.optical-table th {
  width: auto;
}

.product-specs.model-table th,
.product-specs.model-table td {
  text-align: center;
  font-size: 12px;
}
@media (min-width: 768px) {
  .product-specs.model-table th,
  .product-specs.model-table td {
    font-size: 13px;
  }
}

.product-cert {
  font-size: 12px;
  color: #999;
  margin-top: 10px;
}

.product-empty {
  border: 1px solid #dfdfdf;
  background: #fafafa;
  padding: 36px 20px;
  text-align: center;
  color: #555;
  margin-bottom: 40px;
}
.product-empty strong {
  display: block;
  font-size: 18px;
  color: #333;
  margin-bottom: 8px;
}
.product-empty p {
  margin: 0;
  font-size: 14px;
}

@media (min-width: 1280px) {
  .product .page-header .sub-lnb .dropdown-menu li {
    width: 20%;
  }
}