.product-detail-page {
  --brand-green: #009845;
  --text-main: #1f2933;
  --text-sub: #5f6c7b;
  --border-light: #e5e7eb;
  --bg-light: #f8fafc;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

.hero-product {
  background: linear-gradient(135deg, #0f172a, #020617);
  color: #fff;
  padding: 64px 0 64px;
}

.hero-product-container {
  display: flex;
  align-items: center;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  flex-wrap: wrap;
}

.hero-text {
  flex: 1 1 400px; /* 最小宽度400px，弹性放大 */
}

.hero-text h1 {
  margin: 0 0 12px;
  font-size: 36px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.hero-text p {
  font-size: 16px;
  color: #cbd5e1;
  max-width: 600px;
}

.hero-image {
  flex: 1 1 400px;
  max-width: 600px;
  border-radius: 6px;
  overflow: hidden;
  background: #f1f5f9;
  border: 1px solid var(--border-light);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

/* 响应式 */
@media (max-width: 768px) {
  .hero-product-container {
    flex-direction: column;
    padding: 0 16px;
  }

  .hero-text,
  .hero-image {
    flex: none;
    max-width: 100%;
  }

  .hero-text h1 {
    font-size: 28px;
  }
}

/* ---------- Section ---------- */
.section {
  padding: 56px 0;
  border-bottom: 1px solid var(--border-light);
}

.section-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 24px;
  position: relative;
  padding-left: 14px;
}

.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 4px;
  height: 18px;
  background: var(--brand-green);
}

/* ---------- Overview ---------- */
.overview-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 32px;
}

.overview-item {
  font-size: 15px;
}

.overview-item span {
  color: var(--text-sub);
  margin-right: 6px;
}

/* ---------- Data Table ---------- */
.data-box {
  border: 1px solid var(--border-light);
  border-radius: 6px;
  overflow: hidden;
}

.data-box-header {
  background: var(--brand-green);
  color: #fff;
  padding: 12px 16px;
  font-size: 16px;
  font-weight: 600;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table tr {
  border-bottom: 1px solid var(--border-light);
}

.data-table td {
  padding: 12px 16px;
  font-size: 15px;
}

.data-table td:first-child {
  color: var(--text-sub);
  width: 45%;
  background: var(--bg-light);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 28px;
  }

  .overview-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 40px 0;
  }
}