/* ============================================================
   NEWARE 自放电测试仪 — 产品内容区域 V2 样式
   产品：CT-9008-SD-5V300mA
   ============================================================ */

.product-content-v2 { margin: 0; padding: 0; box-sizing: border-box; }
.product-content-v2 *,
.product-content-v2 *::before,
.product-content-v2 *::after { box-sizing: border-box; }

.product-content-v2 {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", "Inter", system-ui, sans-serif;
  font-size: 16px; /* fixed base */
  line-height: 1.6;
  color: #0f172a;
  -webkit-font-smoothing: antialiased;
}

.product-content-v2 .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   Hero Section
   ============================================================ */
.product-content-v2 .hero {
  padding: 96px 0 64px;
  background: #fff;
}
.product-content-v2 .hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
/* Remove bootstrap clearfix pseudo-elements from grid */
.product-content-v2 .hero .container::before,
.product-content-v2 .hero .container::after {
  display: none;
  content: none;
}
.product-content-v2 .hero-content {
  max-width: 520px;
}
.product-content-v2 .hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: #f0b100;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}
.product-content-v2 .hero-eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  background: #f0b100;
  border-radius: 50%;
}
.product-content-v2 .hero-title {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", system-ui, sans-serif;
  font-size: 48px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #0f172a;
  margin-bottom: 16px;
}
.product-content-v2 .hero-model {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: #64748b;
  background: #f1f5f9;
  padding: 8px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.product-content-v2 .hero-model::before {
  content: '';
  width: 4px; height: 4px;
  background: #94a3b8;
  border-radius: 50%;
}
.product-content-v2 .hero-desc {
  font-size: 15px;
  line-height: 1.7;
  color: #475569;
  margin-bottom: 32px;
}
.product-content-v2 .hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.product-content-v2 .hero-stats {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.product-content-v2 .stat-item {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 20px 24px;
  min-width: 140px;
  flex: 1;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.product-content-v2 .stat-value {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", system-ui, sans-serif;
  font-size: 24px;
  font-weight: 700;
  color: #f0b100;
  line-height: 1.2;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}
.product-content-v2 .stat-label {
  font-size: 12px;
  color: #64748b;
  line-height: 1.4;
}

/* Buttons */
.product-content-v2 .btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  background: #f0b100;
  border: none;
  border-radius: 8px;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease;
}
.product-content-v2 .btn-primary:hover { background: #d9a000; }
.product-content-v2 .btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  color: #334155;
  background: transparent;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.product-content-v2 .btn-secondary:hover {
  border-color: #cbd5e1;
  background: #f8fafc;
}
.product-content-v2 .btn-secondary svg {
  width: 14px; height: 14px;
}

/* Hero Carousel */
.product-content-v2 .hero-media {
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-content-v2 .hero-carousel {
  position: relative;
  width: 100%;
  max-width: 520px;
  aspect-ratio: 4 / 3;
  border-radius: 16px;
  overflow: hidden;
}
.product-content-v2 .hero-carousel .carousel-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.5s ease;
}
.product-content-v2 .hero-carousel .carousel-slide.active { opacity: 1; }
.product-content-v2 .hero-carousel .carousel-slide img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.product-content-v2 .carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.9);
  border: 1px solid #e2e8f0;
  color: #334155;
  font-size: 16px; /* fixed base */
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 2;
  transition: all 0.2s ease;
}
.product-content-v2 .carousel-arrow:hover {
  background: #f0b100;
  border-color: #f0b100;
  color: #fff;
}
.product-content-v2 .carousel-arrow.prev { left: 12px; }
.product-content-v2 .carousel-arrow.next { right: 12px; }

/* ============================================================
   Section Shared
   ============================================================ */
.product-content-v2 .section {
  padding: 80px 0;
}
.product-content-v2 .section-header {
  text-align: center;
  margin-bottom: 48px;
}
.product-content-v2 .section-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: #f0b100;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.product-content-v2 .section-title {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", system-ui, sans-serif;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #0f172a;
  margin-bottom: 12px;
}
.product-content-v2 .section-desc {
  font-size: 15px;
  line-height: 1.6;
  color: #475569;
  max-width: 512px;
  margin: 0 auto;
}

/* ============================================================
   Advantages Grid
   ============================================================ */
.product-content-v2 .adv-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.product-content-v2 .adv-card {
  padding: 24px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  transition: box-shadow 0.25s ease;
}
.product-content-v2 .adv-card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
.product-content-v2 .adv-card-icon {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(240,177,0,0.1);
  border-radius: 8px;
  margin-bottom: 16px;
}
.product-content-v2 .adv-card-icon svg {
  width: 20px; height: 20px;
  stroke: #f0b100;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.product-content-v2 .adv-card h3 {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", system-ui, sans-serif;
  font-size: 16px; /* fixed base */
  font-weight: 600;
  line-height: 1.4;
  color: #0f172a;
  margin-bottom: 8px;
}
.product-content-v2 .adv-card p {
  font-size: 14px;
  line-height: 1.65;
  color: #475569;
}

/* ============================================================
   Guardian Section
   ============================================================ */
.product-content-v2 .guardian-section {
  background: #f8fafc;
}
.product-content-v2 .guardian-icons-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 64px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.product-content-v2 .guardian-icon-item {
  text-align: center;
}
.product-content-v2 .guardian-icon-item .icon-wrap {
  width: 64px; height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  margin: 0 auto 12px;
  position: relative;
}
.product-content-v2 .guardian-icon-item .icon-wrap.accent {
  border-color: #f0b100;
}
.product-content-v2 .guardian-icon-item .icon-wrap.accent::before,
.product-content-v2 .guardian-icon-item .icon-wrap.accent::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  border: 1px solid #f0b100;
  opacity: 1;
  animation: guardianRipple 2.5s ease-out infinite;
}
.product-content-v2 .guardian-icon-item .icon-wrap.accent::after {
  animation-delay: 1.25s;
}
@keyframes guardianRipple {
  0%   { transform: scale(1); opacity: 1.5; }
  100% { transform: scale(1.6); opacity: 1; }
}
.product-content-v2 .guardian-icon-item .icon-wrap svg {
  width: 28px; height: 28px;
  stroke: #64748b;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  position: relative;
  z-index: 1;
}
.product-content-v2 .guardian-icon-item .icon-wrap.accent svg {
  stroke: #f0b100;
}
.product-content-v2 .guardian-icon-item span {
  font-size: 13px;
  font-weight: 500;
  color: #475569;
}
.product-content-v2 .guardian-text {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}
.product-content-v2 .guardian-text h2 {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", system-ui, sans-serif;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  color: #0f172a;
  margin-bottom: 16px;
}
.product-content-v2 .guardian-text p {
  font-size: 14px;
  line-height: 1.7;
  color: #475569;
}

/* ============================================================
   Efficiency Section
   ============================================================ */
.product-content-v2 .efficiency-section {
  padding: 80px 0;
  background: #0f172a;
}
.product-content-v2 .efficiency-section .section-tag {
  color: #f0b100;
}
.product-content-v2 .efficiency-section .section-title {
  color: #fff;
}
.product-content-v2 .efficiency-section .section-desc {
  color: #94a3b8;
}
.product-content-v2 .efficiency-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 720px;
  margin: 0 auto;
}
.product-content-v2 .compare-card {
  padding: 32px;
  background: #1e293b;
  border-radius: 12px;
  border: 1px solid #334155;
}
.product-content-v2 .compare-card.neware {
  border-top: 3px solid #f0b100;
}
.product-content-v2 .compare-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.product-content-v2 .compare-card.traditional .compare-label {
  color: #94a3b8;
}
.product-content-v2 .compare-card.neware .compare-label {
  color: #f0b100;
}
.product-content-v2 .compare-time {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", system-ui, sans-serif;
  font-size: 44px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.product-content-v2 .compare-card.traditional .compare-time {
  color: #f8fafc;
}
.product-content-v2 .compare-card.neware .compare-time {
  color: #f0b100;
}
.product-content-v2 .compare-desc {
  font-size: 13px;
  line-height: 1.7;
  color: #e2e8f0;
}

/* ============================================================
   Precision Section
   ============================================================ */
.product-content-v2 .precision-section {
  background: #fff;
}
.product-content-v2 .precision-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.product-content-v2 .precision-img-wrap {
  border-radius: 16px;
  overflow: hidden;
}
.product-content-v2 .precision-img-wrap img {
  width: 100%; display: block;
}
.product-content-v2 .precision-content .section-tag {
  margin-bottom: 8px;
}
.product-content-v2 .precision-content h2 {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", system-ui, sans-serif;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  color: #0f172a;
  margin-bottom: 24px;
}
.product-content-v2 .spec-group {
  margin-bottom: 24px;
}
.product-content-v2 .spec-group:last-child { margin-bottom: 0; }
.product-content-v2 .spec-group h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: #1e293b;
  margin-bottom: 12px;
}
.product-content-v2 .spec-group h4::before {
  content: '';
  width: 6px; height: 6px;
  background: #f0b100;
  border-radius: 50%;
}
.product-content-v2 .spec-group p {
  font-size: 13px;
  line-height: 1.7;
  color: #475569;
  padding-left: 16px;
}

/* ============================================================
   Temperature Section
   ============================================================ */
.product-content-v2 .temp-section {
  background: #f8fafc;
}
.product-content-v2 .temp-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.product-content-v2 .temp-content .section-tag {
  margin-bottom: 8px;
}
.product-content-v2 .temp-content h2 {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", system-ui, sans-serif;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  color: #0f172a;
  margin-bottom: 16px;
}
.product-content-v2 .temp-content > p {
  font-size: 14px;
  line-height: 1.7;
  color: #475569;
  margin-bottom: 24px;
}
.product-content-v2 .check-list {
  list-style: none;
  padding: 0; margin: 0;
}
.product-content-v2 .check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  line-height: 1.6;
  color: #475569;
  padding: 8px 0;
}
.product-content-v2 .check-list li svg {
  width: 18px; height: 18px;
  stroke: #f0b100;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
  margin-top: 1px;
}
.product-content-v2 .temp-img-wrap {
  border-radius: 16px;
  overflow: hidden;
}
.product-content-v2 .temp-img-wrap img {
  width: 100%; display: block;
}

/* ============================================================
   Specs Table
   ============================================================ */
.product-content-v2 .specs-section {
  background: #fff;
}
.product-content-v2 .specs-table-wrap {
  max-width: 800px;
  margin: 0 auto;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  overflow: hidden;
}
.product-content-v2 .specs-table {
  width: 100%;
  border-collapse: collapse;
}
.product-content-v2 .specs-table thead th {
  background: #1e293b;
  color: #fff;
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.02em;
  padding: 12px 20px;
  text-align: left;
}
.product-content-v2 .specs-table tbody tr {
  border-bottom: 1px solid #e2e8f0;
}
.product-content-v2 .specs-table tbody tr:last-child { border-bottom: none; }
.product-content-v2 .specs-table tbody td {
  padding: 12px 20px;
  font-size: 13px;
  line-height: 1.5;
  color: #475569;
}
.product-content-v2 .specs-table tbody td:first-child {
  color: #334155;
  font-weight: 500;
  width: 40%;
}
.product-content-v2 .specs-table .specs-category td {
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #f0b100 !important;
  background: rgba(240,177,0,0.1) !important;
  padding: 8px 20px;
}

/* ============================================================
   CTA Section
   ============================================================ */
.product-content-v2 .cta-section {
  padding: 80px 0;
  background: #0f172a;
  text-align: center;
}
.product-content-v2 .cta-content {
  max-width: 600px;
  margin: 0 auto;
}
.product-content-v2 .cta-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #f0b100;
  margin-bottom: 16px;
}
.product-content-v2 .cta-title {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", system-ui, sans-serif;
  font-size: 36px;
  font-weight: 700;
  line-height: 1.3;
  color: #fff;
  margin-bottom: 16px;
}
.product-content-v2 .cta-desc {
  font-size: 14px;
  line-height: 1.7;
  color: #94a3b8;
  margin-bottom: 32px;
}
.product-content-v2 .cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 16px;
}
.product-content-v2 .cta-actions .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
}
.product-content-v2 .cta-actions .btn-primary {
  background: #f0b100;
  color: #fff;
  border: 1px solid #f0b100;
}
.product-content-v2 .cta-actions .btn-primary:hover {
  background: #d9a000;
  border-color: #d9a000;
}
.product-content-v2 .cta-actions .btn-ghost-light {
  background: transparent;
  color: #cbd5e1;
  border: 1px solid #475569;
}
.product-content-v2 .cta-actions .btn-ghost-light:hover {
  background: #1e293b;
  color: #fff;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .product-content-v2 .hero .container {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .product-content-v2 .hero-content { max-width: 100%; }
  .product-content-v2 .hero-actions { justify-content: center; }
  .product-content-v2 .hero-carousel { max-width: 400px; margin: 0 auto; }

  .product-content-v2 .hero-title { font-size: 32px; }
  .product-content-v2 .section-title { font-size: 24px; }
  .product-content-v2 .guardian-text h2,
  .product-content-v2 .precision-content h2,
  .product-content-v2 .temp-content h2 { font-size: 20px; }
  .product-content-v2 .compare-time { font-size: 32px; }
  .product-content-v2 .cta-title { font-size: 24px; }

  .product-content-v2 .section { padding: 48px 0; }
  .product-content-v2 .section-header { margin-bottom: 32px; }

  .product-content-v2 .adv-grid { grid-template-columns: 1fr; }

  .product-content-v2 .guardian-icons-row { gap: 32px; }

  .product-content-v2 .efficiency-compare { grid-template-columns: 1fr; }

  .product-content-v2 .precision-layout,
  .product-content-v2 .temp-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .product-content-v2 .temp-img-wrap { order: -1; }

  .product-content-v2 .specs-table tbody td {
    padding: 8px 12px;
    font-size: 12px;
  }
}

/* ============================================================
   Scroll-reveal animations
   ============================================================ */
.product-content-v2 .reveal {
  opacity: 1;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.product-content-v2 .reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.product-content-v2 .adv-card.reveal:nth-child(1) { transition-delay: 0.05s; }
.product-content-v2 .adv-card.reveal:nth-child(2) { transition-delay: 0.12s; }
.product-content-v2 .adv-card.reveal:nth-child(3) { transition-delay: 0.19s; }
.product-content-v2 .adv-card.reveal:nth-child(4) { transition-delay: 0.26s; }

.product-content-v2 .compare-card.reveal {
  opacity: 1;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.product-content-v2 .compare-card.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.product-content-v2 .compare-card.reveal:nth-child(2) { transition-delay: 0.1s; }

.product-content-v2 .reveal-img {
  opacity: 1;
  transform: scale(0.96);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.product-content-v2 .reveal-img.visible {
  opacity: 1;
  transform: scale(1);
}

.product-content-v2 .specs-table tbody tr.reveal {
  opacity: 1;
  transform: translateX(-10px);
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.product-content-v2 .specs-table tbody tr.reveal.visible {
  opacity: 1;
  transform: translateX(0);
}

.product-content-v2 .compare-time {
  transition: color 0.3s ease;
}