:root {
  --nl-bg: #f9fafb;
  --nl-bg-alt: #ffffff;
  --nl-surface: #ffffff;
  --nl-border: #e5e7eb;
  --nl-primary: #111827;
  --nl-primary-soft: rgba(17, 24, 39, 0.04);
  --nl-primary-strong: #000000;
  --nl-text: #111827;
  --nl-text-soft: #4b5563;
  --nl-accent: #000000;
  --nl-danger: #ef4444;
  --nl-radius-lg: 20px;
  --nl-radius-md: 12px;
  --nl-radius-sm: 10px;
  --nl-shadow-soft: 0 10px 25px rgba(15, 23, 42, 0.06);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  background-color: var(--nl-bg);
  color: var(--nl-text);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.nl-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.nl-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: #ffffff;
  border-bottom: 1px solid var(--nl-border);
}

.nl-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
}

.nl-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nl-logo.small .nl-logo-mark {
  width: 32px;
  height: 32px;
  font-size: 16px;
}

.nl-logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000000;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.18);
  font-weight: 700;
  color: white;
  letter-spacing: 0.08em;
}

.nl-logo-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nl-logo-text .cn {
  font-weight: 600;
  font-size: 13px;
}

.nl-logo-text .en {
  font-size: 11px;
  color: var(--nl-text-soft);
}

.nl-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
}

.nl-nav a {
  position: relative;
  padding-block: 4px;
  color: #4b5563;
  font-size: 16px;
  text-decoration: none;
  transition: color 0.18s ease;
}

.nl-nav a:hover,
.nl-nav a.nl-nav-current {
  color: #000000;
  font-weight: 500;
}

.nl-nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
}

.nl-nav-toggle span {
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: var(--nl-text);
}

/* Sections */
.nl-section {
  padding: 60px 0;
}

.nl-section-alt {
  background-color: #f3f4f6;
}

.nl-section-header {
  text-align: center;
  margin-bottom: 40px;
}

.nl-section-header h2 {
  margin: 0 0 10px;
  font-size: 26px;
}

.nl-section-header p {
  margin: 0;
  color: var(--nl-text-soft);
  font-size: 14px;
}

.nl-split {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

.nl-grid {
  display: grid;
  gap: 24px;
}

.nl-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* Hero */
.nl-hero {
  padding-top: 40px;
  padding-bottom: 80px;
}

.nl-hero-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.nl-hero-content h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  background: linear-gradient(90deg, #000000 0%, #374151 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nl-hero-content p {
  margin: 0 0 22px;
  color: var(--nl-text-soft);
  font-size: 18px;
  line-height: 1.7;
}

.nl-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
}

.nl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  padding: 9px 18px;
  font-size: 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.18s ease;
}

.nl-btn-primary {
  background-color: #000000;
  color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.nl-btn-primary:hover {
  background-color: #111111;
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
}

.nl-btn-ghost {
  background: transparent;
  border-color: #d1d5db;
  color: #4b5563;
  border-radius: 8px;
}

.nl-btn-ghost:hover {
  border-color: #9ca3af;
  color: #111827;
  background: #f9fafb;
}

.nl-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 13px;
}

.nl-hero-meta strong {
  display: block;
  font-size: 17px;
}

.nl-hero-meta span {
  color: var(--nl-text-soft);
}

.nl-hero-visual {
  display: flex;
  justify-content: center;
}

.nl-hero-card {
  width: 100%;
  max-width: 420px;
  min-height: 280px;
  padding: 30px;
  border-radius: 12px;
  background: #f3f4f6;
  border: 1px dashed #d1d5db;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.nl-hero-card h3 {
  margin: 0 0 4px;
  font-size: 20px;
}

.nl-hero-card p {
  margin: 0 0 16px;
  font-size: 15px;
  color: var(--nl-text-soft);
}

.nl-hero-chart {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 140px;
  border-radius: 10px;
  background: #e5e7eb;
}

.nl-hero-chart .bar {
  display: none;
}

.nl-hero-chart .b1 {
  height: 60%;
}

.nl-hero-chart .b2 {
  height: 85%;
}

.nl-hero-chart .b3 {
  height: 45%;
}

.nl-hero-chart .b4 {
  height: 72%;
}

.nl-hero-label {
  margin-top: 10px;
  font-size: 13px;
  color: var(--nl-text-soft);
}

/* Cards & lists */
.nl-card,
.nl-solution-card,
.nl-stats-card {
  position: relative;
  padding: 30px;
  border-radius: 12px;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  box-shadow: 0 0 0 rgba(0, 0, 0, 0);
  transition: all 0.2s ease;
}

.nl-card:hover,
.nl-solution-card:hover,
.nl-stats-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.06);
}

.nl-stats-card {
  padding: 20px 20px 18px;
}

.nl-card h3,
.nl-solution-card h3,
.nl-stats-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
}

.nl-card p,
.nl-solution-card p,
.nl-stats-card p {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--nl-text-soft);
}

.nl-list {
  list-style: none;
  padding-left: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--nl-text-soft);
}

.nl-list li::before {
  content: "•";
  margin-right: 6px;
  color: var(--nl-primary);
}

.nl-solution-card .tag {
  display: inline-flex;
  margin-top: 4px;
  padding: 3px 9px;
  font-size: 11px;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.16);
  color: #bfdbfe;
}

.nl-stats-card dl {
  margin: 0 0 8px;
}

.nl-stats-card dt {
  font-size: 12px;
  color: var(--nl-text-soft);
}

.nl-stats-card dd {
  margin: 0 0 8px;
  font-size: 13px;
}

.note {
  margin-top: 4px;
  font-size: 12px;
  color: var(--nl-text-soft);
}

/* Cases */
.nl-case-card {
  min-height: 210px;
}

/* News */
.nl-news-list {
  display: grid;
  gap: 18px;
}

.nl-news-item {
  padding: 18px 20px;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
  background: #ffffff;
}

.nl-news-item .date {
  display: inline-flex;
  font-size: 11px;
  color: #a5b4fc;
  margin-bottom: 4px;
}

.nl-news-item h3 {
  margin: 0 0 4px;
  font-size: 15px;
}

.nl-news-item h3 a {
  color: inherit;
  text-decoration: none;
}

.nl-news-item h3 a:hover {
  text-decoration: underline;
}

.nl-news-more {
  margin: 10px 0 0;
}

.nl-news-item p {
  margin: 0;
  font-size: 13px;
  color: var(--nl-text-soft);
}

.nl-news-detail-wrap {
  max-width: 720px;
}

.nl-news-detail .nl-news-lead {
  margin-bottom: 14px;
  line-height: 1.65;
  font-size: 14px;
  color: var(--nl-text-soft);
}

.nl-news-detail .nl-news-sub {
  margin: 26px 0 10px;
  font-size: 16px;
  font-weight: 600;
  color: var(--nl-text);
}

.nl-news-detail .nl-cert-figure {
  margin: 14px 0 8px;
}

.nl-news-detail .nl-cert-figure img {
  display: block;
  width: 100%;
  max-width: 560px;
  height: auto;
  border-radius: 10px;
  border: 1px solid #e5e7eb;
  background: #f9fafb;
}

.nl-news-detail .nl-cert-figure figcaption {
  margin-top: 8px;
  font-size: 12px;
  color: var(--nl-text-soft);
  line-height: 1.5;
}

.nl-news-detail-back {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid #e5e7eb;
}

.nl-news-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 8px;
}

.nl-news-gallery-item {
  margin: 0;
}

.nl-news-gallery-item img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid #e5e7eb;
  background: #f3f4f6;
}

/* Contact */
.nl-contact-info {
  list-style: none;
  padding-left: 0;
  margin: 12px 0;
  font-size: 13px;
  color: var(--nl-text-soft);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nl-contact-info strong {
  color: var(--nl-text);
}

.placeholder {
  color: #9ca3af;
  font-style: italic;
}

.nl-form {
  padding: 24px 24px 20px;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
  background: #ffffff;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.04);
}

.nl-form-row {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 10px;
}

.nl-form-row label {
  font-size: 13px;
}

.nl-form-row input,
.nl-form-row textarea {
  border-radius: 10px;
  border: 1px solid #d1d5db;
  background: #ffffff;
  padding: 8px 10px;
  font-size: 13px;
  color: var(--nl-text);
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease,
    background-color 0.18s ease;
}

.nl-form-row input::placeholder,
.nl-form-row textarea::placeholder {
  color: #9ca3af;
}

.nl-form-row input:focus,
.nl-form-row textarea:focus {
  border-color: #111827;
  box-shadow: 0 0 0 1px rgba(17, 24, 39, 0.5);
  background: #ffffff;
}

.nl-form-tip {
  margin-top: 8px;
  font-size: 11px;
  color: var(--nl-text-soft);
}

.nl-form-row.nl-hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.nl-form-status {
  margin: 0 0 12px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.45;
}

.nl-form-status.is-success {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.nl-form-status.is-error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* Footer */
.nl-footer {
  border-top: 1px solid #e5e7eb;
  background: #ffffff;
}

.nl-footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px;
  padding-block: 28px;
  font-size: 13px;
}

.nl-footer-text {
  margin: 8px 0 0;
  color: #6b7280;
}

.nl-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  margin-top: 6px;
}

.nl-footer-links a {
  color: #6b7280;
  font-size: 13px;
}

.nl-footer-links a:hover {
  color: #111827;
}

.nl-footer-bottom {
  border-top: 1px solid #e5e7eb;
  padding-block: 10px;
  font-size: 12px;
  color: #6b7280;
}

.nl-footer-bottom .nl-container {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.nl-footer-extra {
  opacity: 0.9;
}

/* Utilities */
.nl-section h2 {
  letter-spacing: 0.02em;
}

main {
  scroll-behavior: smooth;
}

/* Responsive */
@media (max-width: 880px) {
  .nl-hero-inner {
    flex-direction: column;
  }

  .nl-split {
    grid-template-columns: minmax(0, 1fr);
  }

  .nl-grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .nl-footer-inner {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  }
}

@media (max-width: 680px) {
  .nl-header-inner {
    padding-block: 12px;
  }

  .nl-nav {
    position: fixed;
    inset-inline: 0;
    top: 60px;
    padding: 10px 20px 14px;
    flex-direction: column;
    align-items: flex-start;
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
  }

  .nl-nav a {
    font-size: 14px;
  }

  .nl-nav-toggle {
    display: inline-flex;
  }

  .nl-header.nav-open .nl-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nl-hero {
    padding-top: 64px;
  }

  .nl-section {
    padding-block: 48px;
  }

  .nl-grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }

  .nl-footer-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .nl-footer-bottom .nl-container {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ========== Carousel ========== */
.nl-carousel-wrap {
  position: relative;
  width: 100%;
  height: 420px;
  overflow: hidden;
  background: #f3f4f6;
}
.nl-carousel {
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.nl-carousel-track {
  display: flex;
  height: 100%;
  transition: transform 0.5s ease;
}
.nl-carousel-slide {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.nl-carousel-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 40px;
  max-width: 720px;
}
.nl-carousel-content h2 {
  font-size: 32px;
  font-weight: 700;
  margin: 0 0 16px;
  line-height: 1.3;
}
.nl-carousel-content p {
  margin: 0 0 24px;
  font-size: 17px;
  color: var(--nl-text-soft);
}
.nl-carousel-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.nl-carousel-prev,
.nl-carousel-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid #e5e7eb;
  background: #fff;
  font-size: 24px;
  color: #374151;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.nl-carousel-prev:hover,
.nl-carousel-next:hover {
  background: #111;
  color: #fff;
  border-color: #111;
}
.nl-carousel-prev {
  left: 24px;
}
.nl-carousel-next {
  right: 24px;
}
.nl-carousel-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}
.nl-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid #d1d5db;
  background: transparent;
  cursor: pointer;
  transition: all 0.2s;
}
.nl-dot:hover {
  background: rgba(0,0,0,0.2);
}
.nl-dot.nl-dot-active {
  background: #111;
  border-color: #111;
}

/* ========== Page Hero (subpages) ========== */
.nl-page-hero {
  padding: 60px 0 50px;
  background: linear-gradient(180deg, #f9fafb 0%, #fff 100%);
  border-bottom: 1px solid #e5e7eb;
}
.nl-page-hero h1 {
  font-size: 32px;
  font-weight: 700;
  margin: 0 0 8px;
}
.nl-page-hero p {
  margin: 0;
  color: var(--nl-text-soft);
  font-size: 16px;
}

/* ========== Highlight cards ========== */
.nl-highlight-card {
  text-align: center;
}
.nl-icon-wrap {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  color: #111;
  background: #f3f4f6;
  border-radius: 12px;
}
.nl-card-link {
  display: inline-block;
  margin-top: 12px;
  font-size: 14px;
  color: var(--nl-primary);
  font-weight: 500;
}
.nl-card-link:hover {
  text-decoration: underline;
}

/* ========== Product preview (homepage) ========== */
.nl-product-preview {
  display: block;
  padding: 24px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid #e5e7eb;
  text-align: center;
  transition: all 0.2s;
}
.nl-product-preview:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.06);
  border-color: #d1d5db;
}
.nl-product-preview-img {
  height: 140px;
  margin: -24px -24px 16px;
  border-radius: 12px 12px 0 0;
  background: #f3f4f6;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--nl-text-soft);
}
.nl-product-preview h3 {
  margin: 0 0 4px;
  font-size: 17px;
}
.nl-product-preview p {
  margin: 0;
  font-size: 13px;
  color: var(--nl-text-soft);
}

/* ========== Section CTA ========== */
.nl-section-cta {
  text-align: center;
  margin-top: 20px;
}
.nl-section-cta-wrap {
  background: #f3f4f6;
}
.nl-cta-inner {
  text-align: center;
  padding: 48px 24px;
}
.nl-cta-inner h2 {
  margin: 0 0 8px;
  font-size: 24px;
}
.nl-cta-inner p {
  margin: 0 0 20px;
  color: var(--nl-text-soft);
}
.nl-btn-lg {
  padding: 12px 28px;
  font-size: 16px;
}

/* ========== Process ========== */
.nl-process {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 20px 8px;
}
.nl-process-step {
  text-align: center;
  padding: 24px 20px;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  min-width: 160px;
  max-width: 200px;
  transition: all 0.2s;
}
.nl-process-step:hover {
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
}
.nl-process-num {
  display: inline-block;
  width: 36px;
  height: 36px;
  line-height: 36px;
  border-radius: 50%;
  background: #111;
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 12px;
}
.nl-process-step h4 {
  margin: 0 0 4px;
  font-size: 15px;
}
.nl-process-step p {
  margin: 0;
  font-size: 12px;
  color: var(--nl-text-soft);
}
.nl-process-arrow {
  color: #d1d5db;
  font-size: 20px;
}

/* ========== Product Catalog ========== */
.nl-product-group {
  margin-bottom: 56px;
}
.nl-product-group:last-of-type {
  margin-bottom: 0;
}
.nl-product-group.nl-section-alt {
  padding: 40px 24px 48px;
  background: #f3f4f6;
  border-radius: 12px;
  margin-bottom: 56px;
}
.nl-product-group-title {
  font-size: 22px;
  margin: 0 0 4px;
}
.nl-product-group-desc {
  margin: 0 0 24px;
  color: var(--nl-text-soft);
  font-size: 14px;
}
.nl-category-tabs {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.nl-tab {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--nl-text-soft);
  background: #fff;
  border: 1px solid #e5e7eb;
  transition: all 0.2s;
}
.nl-tab:hover {
  color: #111;
  border-color: #111;
}
.nl-tab.nl-tab-active {
  background: #111;
  color: #fff;
  border-color: #111;
}
.nl-grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.nl-product-card {
  padding: 0;
  overflow: hidden;
}
.nl-product-card h3 {
  padding: 16px 20px 4px;
}
.nl-product-card p {
  padding: 0 20px 16px;
}
.nl-product-img {
  height: 160px;
  background: #f3f4f6;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--nl-text-soft);
  overflow: hidden;
}

.nl-product-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  background: #ffffff;
}
.nl-product-img-wide {
  height: 140px;
}
.nl-product-card .nl-btn {
  margin: 0 20px 20px;
}

.nl-product-actions {
  display: flex;
  gap: 10px;
  padding: 0 20px 20px;
}

.nl-product-actions .nl-btn {
  margin: 0;
}

.nl-breadcrumb {
  font-size: 13px;
  color: var(--nl-text-soft);
  margin-bottom: 14px;
}

.nl-breadcrumb a:hover {
  text-decoration: underline;
}

/* Products page: category labels + horizontal product strips */
.nl-products-all .nl-section-header {
  margin-bottom: 8px;
}

.nl-product-category-block {
  margin-top: 28px;
}

.nl-product-category-block:first-of-type {
  margin-top: 12px;
}

.nl-product-category-label {
  margin: 0 0 12px;
}

.nl-product-category-label .nl-cat-title-cn,
.nl-product-category-label .nl-cat-title-en {
  display: block;
  line-height: 1.35;
}

.nl-product-category-label .nl-cat-title-cn {
  font-size: 14px;
  font-weight: 600;
  color: var(--nl-text);
}

.nl-product-category-label .nl-cat-title-en {
  font-size: 12px;
  font-weight: 500;
  color: var(--nl-text-soft);
  margin-top: 3px;
}

.nl-product-category-label a {
  color: inherit;
  text-decoration: none;
}

.nl-product-category-label a:hover {
  color: var(--nl-text);
}

.nl-product-category-label a:hover .nl-cat-title-cn,
.nl-product-category-label a:hover .nl-cat-title-en {
  text-decoration: underline;
}

.nl-product-carousel {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
}

.nl-pcarousel-btn {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid var(--nl-border);
  background: #fff;
  font-size: 22px;
  line-height: 1;
  color: #374151;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, color 0.2s, border-color 0.2s, opacity 0.2s;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.nl-pcarousel-btn:hover:not(:disabled) {
  background: #111;
  color: #fff;
  border-color: #111;
}

.nl-pcarousel-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.nl-pcarousel-viewport {
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 2px;
}

.nl-pcarousel-viewport::-webkit-scrollbar {
  height: 8px;
}

.nl-pcarousel-viewport::-webkit-scrollbar-thumb {
  background: #d1d5db;
  border-radius: 4px;
}

.nl-pcarousel-viewport .nl-product-strip {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  gap: 14px;
  align-items: stretch;
}

.nl-pcarousel-viewport .nl-product-strip > .nl-product-card {
  flex: 0 0 240px;
  width: 240px;
  max-width: min(280px, calc(100vw - 140px));
  min-width: 200px;
}

/* Match card body height across categories: one short blurb, ellipsis if needed */
.nl-pcarousel-viewport .nl-product-strip > .nl-product-card p {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
  overflow: hidden;
  max-height: 5.6em;
}

@media (max-width: 520px) {
  .nl-product-carousel {
    gap: 6px;
  }

  .nl-pcarousel-btn {
    width: 36px;
    height: 36px;
    font-size: 18px;
  }

  .nl-pcarousel-viewport .nl-product-strip > .nl-product-card {
    flex: 0 0 min(210px, 72vw);
    width: min(210px, 72vw);
    min-width: 180px;
  }
}

/* ========== Product Detail ========== */
.nl-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.nl-detail-main {
  width: 100%;
  height: 420px;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
  background: #f3f4f6;
  object-fit: contain;
  display: block;
}

.nl-detail-thumbs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.nl-thumb {
  padding: 0;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.nl-thumb img {
  width: 100%;
  height: 96px;
  object-fit: contain;
  display: block;
  background: #f3f4f6;
}

.nl-thumb.is-active {
  border-color: #111;
  box-shadow: 0 0 0 1px rgba(17, 24, 39, 0.45);
}

.nl-detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.nl-spec {
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
}

.nl-spec .row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
  padding: 10px 12px;
  border-top: 1px solid #e5e7eb;
  font-size: 13px;
}

.nl-spec .row:first-child {
  border-top: none;
}

.nl-spec .row span:first-child {
  color: var(--nl-text-soft);
}

.nl-muted {
  margin: 10px 0 0;
  color: var(--nl-text-soft);
  font-size: 14px;
}

.nl-related {
  margin-top: 44px;
}

.nl-related h2 {
  margin: 0 0 14px;
  font-size: 20px;
}

@media (max-width: 880px) {
  .nl-detail {
    grid-template-columns: minmax(0, 1fr);
  }
  .nl-detail-main {
    height: 360px;
  }
}
.nl-btn-sm {
  padding: 6px 14px;
  font-size: 13px;
}
.nl-product-card-wide {
  grid-column: span 1;
}
.nl-case-tag {
  display: inline-block;
  padding: 4px 10px;
  font-size: 11px;
  border-radius: 6px;
  background: #f3f4f6;
  color: var(--nl-text-soft);
  margin-bottom: 12px;
}
.nl-case-preview {
  min-height: auto;
}

/* Hero placeholder */
.nl-hero-placeholder {
  font-size: 13px;
  color: var(--nl-text-soft);
}

@media (max-width: 880px) {
  .nl-grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .nl-carousel-wrap {
    height: 360px;
  }
  .nl-carousel-content h2 {
    font-size: 26px;
  }
}
@media (max-width: 680px) {
  .nl-grid-4 {
    grid-template-columns: minmax(0, 1fr);
  }
  .nl-carousel-wrap {
    height: 320px;
  }
  .nl-carousel-content h2 {
    font-size: 22px;
  }
  .nl-carousel-prev, .nl-carousel-next {
    width: 40px;
    height: 40px;
    font-size: 20px;
  }
  .nl-process {
    flex-direction: column;
  }
  .nl-process-arrow {
    transform: rotate(90deg);
  }
}