.tianyi-theme {
  --tianyi-primary: #005a9c;
  --tianyi-primary-dark: #003f6d;
  --tianyi-accent: #0f7ccf;
  --tianyi-text: #13314b;
}

.tianyi-theme .btn-primary,
.tianyi-theme .p_btn,
.tianyi-theme .e_formBtn-6,
.tianyi-theme .e_formBtn-4,
.tianyi-theme .e_formBtn-5,
.tianyi-theme [class*="btn-primary"] {
  background: var(--tianyi-primary) !important;
  border-color: var(--tianyi-primary) !important;
}

.tianyi-theme .btn-primary:hover,
.tianyi-theme .p_btn:hover,
.tianyi-theme .e_formBtn-6:hover,
.tianyi-theme .e_formBtn-4:hover,
.tianyi-theme .e_formBtn-5:hover,
.tianyi-theme [class*="btn-primary"]:hover {
  background: var(--tianyi-primary-dark) !important;
  border-color: var(--tianyi-primary-dark) !important;
}

.tianyi-theme a,
.tianyi-theme .p_menuItem a:hover,
.tianyi-theme .p_menuItem a:focus {
  color: var(--tianyi-primary);
}

.tianyi-theme .swiper-pagination-bullet-active,
.tianyi-theme .p_swiperBullet_active,
.tianyi-theme .page-item.active .page-link,
.tianyi-theme .swiper-button-next,
.tianyi-theme .swiper-button-prev {
  background: var(--tianyi-primary) !important;
  border-color: var(--tianyi-primary) !important;
}

.tianyi-theme .e_line-3,
.tianyi-theme .e_line-5,
.tianyi-theme .e_line-8,
.tianyi-theme .e_line-11,
.tianyi-theme .e_line-13,
.tianyi-theme .e_line-18 {
  background: var(--tianyi-primary) !important;
}

.tianyi-theme .p_level1Item > .p_menuItem > a,
.tianyi-theme .e_text-63,
.tianyi-theme .e_text-64,
.tianyi-theme .e_text-16,
.tianyi-theme .e_text-18,
.tianyi-theme .e_text-20 {
  color: var(--tianyi-text) !important;
}

.tianyi-theme img[data-tianyi-logo="true"] {
  max-height: 78px;
  width: auto !important;
  object-fit: contain;
}

.tianyi-theme .tianyi-hidden,
.tianyi-theme [data-tianyi-hidden="true"] {
  display: none !important;
}

.tianyi-theme .tianyi-note {
  color: var(--tianyi-primary-dark) !important;
}

.tianyi-theme .tianyi-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid rgba(0, 90, 156, 0.18);
  border-radius: 999px;
  background: rgba(0, 90, 156, 0.06);
  color: var(--tianyi-primary-dark);
}

.tianyi-theme .tianyi-product-card {
  display: grid;
  grid-template-columns: minmax(240px, 380px) minmax(0, 1fr);
  gap: 28px;
  margin: 32px auto;
  padding: 28px;
  max-width: 1200px;
  border: 1px solid rgba(0, 90, 156, 0.12);
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(0, 90, 156, 0.05), rgba(15, 124, 207, 0.02));
  box-shadow: 0 18px 50px rgba(19, 49, 75, 0.08);
}

.tianyi-theme .tianyi-product-card__media img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  border-radius: 16px;
  object-fit: cover;
  background: #fff;
}

.tianyi-theme .tianyi-product-card__content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tianyi-theme .tianyi-product-card__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tianyi-theme .tianyi-product-card__title {
  margin: 0;
  color: var(--tianyi-text);
  font-size: 32px;
  line-height: 1.2;
}

.tianyi-theme .tianyi-product-card__summary {
  margin: 0;
  color: #38546c;
  font-size: 16px;
  line-height: 1.7;
}

.tianyi-theme .tianyi-product-card__specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 18px;
}

.tianyi-theme .tianyi-product-spec {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid rgba(0, 90, 156, 0.1);
}

.tianyi-theme .tianyi-product-spec strong {
  color: var(--tianyi-primary-dark);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.tianyi-theme .tianyi-product-spec span {
  color: var(--tianyi-text);
  line-height: 1.5;
}

.tianyi-theme .tianyi-product-card__cta {
  align-self: flex-start;
  margin-top: 4px;
}

@media (max-width: 900px) {
  .tianyi-theme .tianyi-product-card {
    grid-template-columns: 1fr;
    padding: 20px;
    margin: 24px 16px;
  }

  .tianyi-theme .tianyi-product-card__title {
    font-size: 26px;
  }

  .tianyi-theme .tianyi-product-card__specs {
    grid-template-columns: 1fr;
  }
}