/* ===================== 全局样式 ===================== */
:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --accent: #3b82f6;
  --accent-dark: #2563eb;
  --accent-light: #60a5fa;
  --secondary: #22c55e;
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.5);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul, ol {
  list-style: none;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ===================== 容器和布局 ===================== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 120px 24px;
}

.section-alt {
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #fff 0%, #60a5fa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header p {
  font-size: 1.25rem;
  color: var(--text-secondary);
}

/* ===================== 导航栏 ===================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 24px;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(59, 130, 246, 0.1);
  transition: all 0.3s ease;
}

.navbar-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: #fff;
  background: rgba(59, 130, 246, 0.1);
}

.nav-btn {
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  border-radius: 10px;
  transition: all 0.3s ease;
  margin-left: 8px;
}

.nav-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.4);
}

.lang-switch {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--accent-light);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-left: 16px;
}

.lang-switch:hover {
  background: rgba(59, 130, 246, 0.2);
  border-color: var(--accent);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ===================== Hero 区域 ===================== */
.hero {
  padding: 160px 24px 100px;
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0.6) 50%, rgba(15, 23, 42, 0.4) 100%);
  z-index: 1;
}

.hero-container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 640px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 100px;
  font-size: 14px;
  color: var(--accent-light);
  margin-bottom: 24px;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #fff 0%, #60a5fa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title span {
  background: linear-gradient(135deg, var(--accent-light), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 540px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  border-radius: 12px;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 600;
  background: transparent;
  color: #fff;
  border: 2px solid rgba(59, 130, 246, 0.5);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: rgba(59, 130, 246, 0.1);
  border-color: var(--accent);
}

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(59, 130, 246, 0.2);
}

.stat-item {
  text-align: left;
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-light), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-muted);
}

.hero-visual {
  position: relative;
  height: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(59, 130, 246, 0.2);
  animation: pulse 4s ease-in-out infinite;
}

.hero-circle-1 {
  width: 300px;
  height: 300px;
  animation-delay: 0s;
}

.hero-circle-2 {
  width: 400px;
  height: 400px;
  animation-delay: 0.5s;
}

.hero-circle-3 {
  width: 500px;
  height: 500px;
  animation-delay: 1s;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.05); opacity: 0.8; }
}

.hero-visual-content {
  position: relative;
  z-index: 1;
  background: rgba(30, 41, 59, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 24px;
  padding: 40px 48px;
  text-align: center;
}

.hero-visual-icon {
  font-size: 4rem;
  margin-bottom: 16px;
}

.hero-visual-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.hero-visual-content p {
  color: var(--text-secondary);
  font-size: 14px;
}

/* ===================== Index About Section ===================== */
.index-about {
  padding: 120px 24px;
  background: var(--bg-primary);
}

.index-about-container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.index-about-left {
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(59, 130, 246, 0.1);
  border-radius: 24px;
  padding: 48px;
}

.index-about-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 100px;
  font-size: 14px;
  color: var(--accent-light);
  margin-bottom: 24px;
}

.index-about-title {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 24px;
  color: #fff;
}

.index-about-content {
  margin-bottom: 32px;
}

.index-about-content p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 16px;
}

.index-about-content p:last-child {
  margin-bottom: 0;
}

.index-about-stats {
  display: flex;
  gap: 48px;
  margin-bottom: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(59, 130, 246, 0.1);
}

.index-about-stat {
  text-align: center;
}

.index-about-stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 4px;
}

.index-about-stat-label {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.index-about-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 600;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(59, 130, 246, 0.5);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.index-about-btn:hover {
  background: rgba(59, 130, 246, 0.1);
  border-color: var(--accent);
}

.index-about-right {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.index-about-card {
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(59, 130, 246, 0.1);
  border-radius: 16px;
  padding: 32px;
  transition: all 0.3s ease;
}

.index-about-card:hover {
  background: rgba(30, 41, 59, 0.8);
  border-color: rgba(59, 130, 246, 0.3);
  transform: translateY(-4px);
}

.index-about-card-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.index-about-card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: #fff;
}

.index-about-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 1024px) {
  .index-about-container {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .index-about-stats {
    gap: 32px;
  }
}

@media (max-width: 640px) {
  .index-about {
    padding: 80px 16px;
  }
  
  .index-about-left {
    padding: 32px 24px;
  }
  
  .index-about-title {
    font-size: 1.5rem;
  }
  
  .index-about-stats {
    flex-direction: column;
    gap: 24px;
  }
  
  .index-about-stat {
    text-align: left;
  }
}

/* ===================== Product Carousel Section ===================== */
.product-carousel-section {
  padding: 120px 24px;
  background: var(--bg-primary);
}

.product-carousel-container {
  max-width: 1400px;
  margin: 0 auto;
}

.product-carousel-header {
  text-align: center;
  margin-bottom: 60px;
}

.product-carousel-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #fff 0%, #60a5fa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.product-carousel-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.product-carousel-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0 24px;
}

.product-carousel-track-container {
  flex: 1;
  overflow: hidden;
}

.product-carousel-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-carousel-slide {
  flex: 0 0 33.333%;
  padding: 0 12px;
}

.product-carousel-card {
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(59, 130, 246, 0.1);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.product-carousel-card:hover {
  transform: translateY(-8px);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.product-carousel-image {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #fff;
}

.product-carousel-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.5s ease;
}

.product-carousel-card:hover .product-carousel-image img {
  transform: scale(1.05);
}

.product-carousel-content {
  padding: 24px;
}

.product-carousel-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: #fff;
}

.product-carousel-content p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.product-carousel-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.2);
  border: 1px solid rgba(59, 130, 246, 0.5);
  color: #fff;
  font-size: 28px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  flex-shrink: 0;
  position: relative;
  z-index: 10;
}

.product-carousel-btn:hover {
  background: rgba(59, 130, 246, 0.4);
  border-color: var(--accent);
  transform: scale(1.1);
}

.product-carousel-prev {
  margin-right: -24px;
}

.product-carousel-next {
  margin-left: -24px;
}

.product-carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
}

.product-carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all 0.3s ease;
}

.product-carousel-dot.active {
  background: var(--accent);
  width: 24px;
  border-radius: 4px;
}

.product-carousel-footer {
  text-align: center;
  margin-top: 48px;
}

.product-carousel-view-all {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 14px;
  font-weight: 600;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(59, 130, 246, 0.5);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.product-carousel-view-all:hover {
  background: rgba(59, 130, 246, 0.1);
  border-color: var(--accent);
}

@media (max-width: 1024px) {
  .product-carousel-slide {
    flex: 0 0 50%;
  }
}

@media (max-width: 640px) {
  .product-carousel-section {
    padding: 80px 16px;
  }
  
  .product-carousel-title {
    font-size: 2rem;
  }
  
  .product-carousel-slide {
    flex: 0 0 100%;
    padding: 0 8px;
  }
  
  .product-carousel-btn {
    display: none;
  }
}

/* ===================== Coating Compare Section ===================== */
.coating-compare-section {
  padding: 120px 24px;
  background: var(--bg-primary);
}

.coating-compare-container {
  max-width: 1000px;
  margin: 0 auto;
}

.coating-compare-header {
  text-align: center;
  margin-bottom: 48px;
}

.coating-compare-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 100px;
  font-size: 14px;
  color: var(--accent-light);
  margin-bottom: 24px;
}

.coating-compare-title {
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, #fff 0%, #60a5fa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.coating-compare-table {
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(59, 130, 246, 0.1);
  border-radius: 24px;
  overflow: hidden;
}

.coating-compare-row {
  display: grid;
  grid-template-columns: 180px 1fr 1fr;
  align-items: center;
  padding: 20px 32px;
  border-bottom: 1px solid rgba(59, 130, 246, 0.1);
}

.coating-compare-row:last-of-type {
  border-bottom: none;
}

.coating-compare-header-row {
  background: rgba(30, 41, 59, 0.8);
  padding: 16px 32px;
}

.coating-compare-header-row .coating-compare-cell {
  font-weight: 600;
  font-size: 15px;
}

.coating-compare-powder {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 8px;
  padding: 10px 20px;
  margin: 0 16px;
  color: var(--accent-light);
}

.coating-compare-liquid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 8px;
  padding: 10px 20px;
  margin: 0 16px;
  color: #f87171;
}

.coating-icon {
  font-size: 16px;
}

.coating-compare-label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 15px;
  color: #fff;
}

.property-icon {
  font-size: 18px;
}

.coating-compare-cell {
  padding: 0 16px;
}

.coating-bar {
  position: relative;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 8px;
}

.coating-bar::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: var(--progress);
  border-radius: 4px;
  transition: width 1s ease;
}

.coating-bar-powder::before {
  background: linear-gradient(90deg, #3b82f6, #22c55e);
}

.coating-bar-liquid::before {
  background: linear-gradient(90deg, #f97316, #ef4444);
}

.coating-bar-label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.coating-bar-value {
  position: absolute;
  right: 0;
  top: -20px;
  font-size: 13px;
  font-weight: 600;
}

.coating-bar-powder .coating-bar-value {
  color: #22c55e;
}

.coating-bar-liquid .coating-bar-value {
  color: #f87171;
}

.coating-compare-footer {
  padding: 24px 32px;
  background: rgba(30, 41, 59, 0.8);
  border-top: 1px solid rgba(59, 130, 246, 0.1);
}

.coating-compare-takeaway {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.coating-compare-takeaway strong {
  color: var(--accent-light);
}

@media (max-width: 768px) {
  .coating-compare-section {
    padding: 80px 16px;
  }
  
  .coating-compare-title {
    font-size: 1.75rem;
  }
  
  .coating-compare-row {
    grid-template-columns: 120px 1fr 1fr;
    padding: 16px;
  }
  
  .coating-compare-header-row {
    padding: 12px 16px;
  }
  
  .coating-compare-label {
    font-size: 13px;
    flex-direction: column;
    gap: 4px;
    text-align: center;
  }
  
  .coating-compare-powder,
  .coating-compare-liquid {
    padding: 8px 12px;
    font-size: 12px;
    margin: 0 8px;
  }
  
  .coating-bar-label {
    display: none;
  }
  
  .coating-compare-footer {
    padding: 16px;
  }
}

/* ===================== Application Fields Section ===================== */
.application-fields-section {
  padding: 120px 24px;
  background: var(--bg-primary);
}

.application-fields-container {
  max-width: 1200px;
  margin: 0 auto;
}

.application-fields-header {
  text-align: center;
  margin-bottom: 60px;
}

.application-fields-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 100px;
  font-size: 14px;
  color: var(--accent-light);
  margin-bottom: 24px;
}

.application-fields-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #fff 0%, #60a5fa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.application-fields-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.application-fields-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.application-fields-card {
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(59, 130, 246, 0.1);
  border-radius: 16px;
  padding: 40px 24px;
  text-align: center;
  transition: all 0.3s ease;
}

.application-fields-card:hover {
  transform: translateY(-8px);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.application-fields-card:nth-child(1) .application-fields-value {
  color: #3b82f6;
}

.application-fields-card:nth-child(2) .application-fields-value {
  color: #22c55e;
}

.application-fields-card:nth-child(3) .application-fields-value {
  color: #f59e0b;
}

.application-fields-card:nth-child(4) .application-fields-value {
  color: #06b6d4;
}

.application-fields-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.application-fields-value {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.application-fields-name {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}

.application-fields-desc {
  font-size: 13px;
  color: var(--text-muted);
}

.application-fields-footer {
  text-align: center;
}

.application-fields-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 14px;
  font-weight: 600;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(59, 130, 246, 0.5);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.application-fields-btn:hover {
  background: rgba(59, 130, 246, 0.1);
  border-color: var(--accent);
}

@media (max-width: 1024px) {
  .application-fields-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .application-fields-section {
    padding: 80px 16px;
  }
  
  .application-fields-title {
    font-size: 1.75rem;
  }
  
  .application-fields-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .application-fields-card {
    padding: 32px 24px;
  }
}

/* ===================== Quality & Standards Section ===================== */
.quality-standards-section {
  padding: 120px 24px;
  background: var(--bg-secondary);
}

.quality-standards-container {
  max-width: 1200px;
  margin: 0 auto;
}

.quality-standards-header {
  text-align: center;
  margin-bottom: 60px;
}

.quality-standards-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 100px;
  font-size: 14px;
  color: var(--accent-light);
  margin-bottom: 24px;
}

.quality-standards-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: #fff;
}

.quality-standards-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

.quality-standards-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.quality-standards-card {
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(59, 130, 246, 0.1);
  border-radius: 12px;
  padding: 32px 16px;
  text-align: center;
  transition: all 0.3s ease;
}

.quality-standards-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

.quality-standards-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.quality-standards-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 6px;
}

.quality-standards-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}

@media (max-width: 1024px) {
  .quality-standards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .quality-standards-section {
    padding: 80px 16px;
  }
  
  .quality-standards-title {
    font-size: 1.75rem;
  }
  
  .quality-standards-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  
  .quality-standards-card {
    padding: 24px 12px;
  }
}

/* ===================== Industry News Section ===================== */
.industry-news-section {
  padding: 120px 24px;
  background: var(--bg-primary);
}

.industry-news-container {
  max-width: 1200px;
  margin: 0 auto;
}

.industry-news-header {
  text-align: center;
  margin-bottom: 60px;
}

.industry-news-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 100px;
  font-size: 14px;
  color: var(--accent-light);
  margin-bottom: 24px;
}

.industry-news-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: #fff;
}

.industry-news-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

.industry-news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.industry-news-card {
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(59, 130, 246, 0.1);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.industry-news-card:hover {
  transform: translateY(-8px);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.industry-news-image {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: #fff;
}

.industry-news-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.5s ease;
}

.industry-news-card:hover .industry-news-image img {
  transform: scale(1.05);
}

.industry-news-content {
  padding: 24px;
}

.industry-news-card-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
  line-height: 1.4;
}

.industry-news-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.industry-news-card-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--accent-light);
  transition: color 0.3s ease;
}

.industry-news-card-link:hover {
  color: var(--accent);
}

.industry-news-footer {
  text-align: center;
}

.industry-news-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 14px;
  font-weight: 600;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(59, 130, 246, 0.5);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.industry-news-btn:hover {
  background: rgba(59, 130, 246, 0.1);
  border-color: var(--accent);
}

@media (max-width: 1024px) {
  .industry-news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .industry-news-section {
    padding: 80px 16px;
  }
  
  .industry-news-title {
    font-size: 1.75rem;
  }
  
  .industry-news-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* ===================== Production Process Section ===================== */
.production-process-section {
  padding: 120px 24px;
  background: var(--bg-primary);
}

.production-process-container {
  max-width: 1200px;
  margin: 0 auto;
}

.production-process-header {
  text-align: center;
  margin-bottom: 80px;
}

.production-process-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 100px;
  font-size: 14px;
  color: var(--accent-light);
  margin-bottom: 24px;
}

.production-process-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: #fff;
}

.production-process-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

.production-process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.production-process-steps::before {
  content: '';
  position: absolute;
  top: 24px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--secondary) 100%);
  z-index: 0;
}

.production-process-step {
  position: relative;
  z-index: 1;
}

.production-process-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  color: #fff;
  font-size: 1.125rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  position: relative;
  z-index: 2;
}

.production-process-card {
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(59, 130, 246, 0.1);
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s ease;
}

.production-process-card:hover {
  transform: translateY(-8px);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.production-process-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.production-process-card-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 12px;
}

.production-process-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 1024px) {
  .production-process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 24px;
  }
  
  .production-process-steps::before {
    display: none;
  }
}

@media (max-width: 640px) {
  .production-process-section {
    padding: 80px 16px;
  }
  
  .production-process-title {
    font-size: 1.75rem;
  }
  
  .production-process-steps {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .production-process-card {
    padding: 24px;
  }
}

/* ===================== Testimonials Section ===================== */
.testimonials-section {
  padding: 120px 24px;
  background: var(--bg-secondary);
}

.testimonials-container {
  max-width: 1200px;
  margin: 0 auto;
}

.testimonials-header {
  text-align: center;
  margin-bottom: 60px;
}

.testimonials-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 100px;
  font-size: 14px;
  color: var(--accent-light);
  margin-bottom: 24px;
}

.testimonials-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #fff;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 80px;
}

.testimonial-card {
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(59, 130, 246, 0.1);
  border-radius: 16px;
  padding: 32px;
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

.testimonial-stars {
  color: #fbbf24;
  font-size: 1.25rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-quote {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}

.testimonial-name {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 2px;
}

.testimonial-role {
  font-size: 13px;
  color: var(--text-muted);
}

.testimonials-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(59, 130, 246, 0.1);
  border-radius: 16px;
  padding: 48px 32px;
}

.testimonials-stat {
  text-align: center;
}

.testimonials-stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-light), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.testimonials-stat-label {
  font-size: 13px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

@media (max-width: 1024px) {
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .testimonials-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

@media (max-width: 640px) {
  .testimonials-section {
    padding: 80px 16px;
  }
  
  .testimonials-title {
    font-size: 1.75rem;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 48px;
  }
  
  .testimonial-card {
    padding: 24px;
  }
  
  .testimonials-stats {
    grid-template-columns: repeat(2, 1fr);
    padding: 32px 24px;
    gap: 24px;
  }
  
  .testimonials-stat-value {
    font-size: 1.75rem;
  }
}

/* ===================== 幻灯片通用样式 ===================== */
.slideshow {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 12px;
}

.slideshow-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.slideshow-slide {
  flex: 0 0 100%;
  width: 100%;
  padding: 0 8px;
}

.slideshow-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
}

.slideshow-btn {
  background: rgba(59, 130, 246, 0.2);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: #fff;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  font-size: 18px;
}

.slideshow-btn:hover {
  background: rgba(59, 130, 246, 0.4);
  transform: scale(1.1);
}

.slideshow-dots {
  display: flex;
  gap: 8px;
}

.slideshow-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all 0.3s ease;
}

.slideshow-dot.active {
  background: #0ea5e9;
  transform: scale(1.3);
}

/* ===================== 产品卡片样式 ===================== */
.product-card {
  background: rgba(30, 41, 59, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.4s ease;
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-8px);
  border-color: rgba(59, 130, 246, 0.5);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.3);
}

.product-card-image {
  height: 200px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(34, 197, 94, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  position: relative;
  overflow: hidden;
}

.product-card-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 12px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  border-radius: 6px;
}

.product-card-content {
  padding: 24px;
}

.product-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.product-card p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.6;
}

.product-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.product-tag {
  padding: 4px 10px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 6px;
  font-size: 12px;
  color: var(--accent-light);
}

/* ===================== 产品网格 ===================== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.products-slideshow {
  position: relative;
  width: 100%;
  overflow: hidden;
  padding: 20px 0;
}

.products-slideshow-track {
  display: flex;
  gap: 24px;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.products-slideshow-item {
  flex: 0 0 calc(33.333% - 16px);
  max-width: calc(33.333% - 16px);
}

.products-slideshow .slideshow-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
}

.products-slideshow .slideshow-btn.prev {
  left: -22px;
}

.products-slideshow .slideshow-btn.next {
  right: -22px;
}

/* ===================== 产品详情 ===================== */
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.product-main-image {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(34, 197, 94, 0.1));
  border-radius: 24px;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
  position: relative;
  overflow: hidden;
}

.product-info h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.product-info .subtitle {
  font-size: 1.25rem;
  color: var(--accent-light);
  margin-bottom: 24px;
}

.product-description {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
}

.specs-table {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(15, 23, 42, 0.5);
  border-radius: 8px;
}

.spec-name {
  color: rgba(255, 255, 255, 0.7);
}

.spec-value {
  font-weight: 600;
  color: var(--accent-light);
}

.product-applications,
.product-colors {
  margin-bottom: 32px;
}

.product-applications h3,
.product-colors h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.applications-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.app-tag {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  color: var(--accent-light);
}

.color-swatches {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.color-swatch {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: all 0.3s ease;
}

.color-swatch:hover {
  transform: scale(1.1);
  border-color: rgba(255, 255, 255, 0.5);
}

.product-cta {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(59, 130, 246, 0.2);
}

/* ===================== 特性详情 ===================== */
.features-detail-grid {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.feature-detail-card {
  padding: 48px;
  border-radius: 24px;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.feature-detail-header {
  display: flex;
  gap: 24px;
  align-items: center;
  margin-bottom: 24px;
}

.feature-detail-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.2), rgba(34, 197, 94, 0.1));
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  flex-shrink: 0;
}

.feature-detail-header h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-detail-subtitle {
  font-size: 1.125rem;
  color: var(--accent-light);
}

.feature-detail-desc {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 32px;
}

.feature-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.feature-benefits h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--accent-light);
}

.benefits-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.benefits-list li {
  padding: 12px 16px;
  background: rgba(15, 23, 42, 0.5);
  border-radius: 8px;
  border-left: 3px solid var(--accent);
  font-size: 15px;
  line-height: 1.6;
}

.feature-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-stat-item {
  text-align: center;
  padding: 24px;
  background: rgba(15, 23, 42, 0.5);
  border-radius: 16px;
}

.feature-stat-value {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.feature-stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

/* ===================== 应用案例详情 ===================== */
.cases-detail-grid {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.case-detail-card {
  padding: 0;
  overflow: hidden;
  border-radius: 24px;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.case-visual-header {
  padding: 48px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.case-visual-icon {
  font-size: 4rem;
}

.case-visual-badge {
  font-size: 2rem;
  background: rgba(255, 255, 255, 0.2);
  padding: 12px 16px;
  border-radius: 12px;
}

.case-detail-content {
  padding: 32px 48px 48px;
}

.case-detail-card h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.case-detail-subtitle {
  font-size: 1.125rem;
  color: var(--accent-light);
  margin-bottom: 24px;
}

.case-detail-desc {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 32px;
}

.case-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.case-stat-item {
  text-align: center;
  padding: 16px;
  background: rgba(15, 23, 42, 0.5);
  border-radius: 12px;
}

.case-stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.case-stat-label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

.case-projects h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-line {
  width: 4px;
  height: 20px;
  border-radius: 2px;
  background: var(--accent);
}

.projects-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.project-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: rgba(15, 23, 42, 0.5);
  border-radius: 16px;
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.project-item:hover {
  background: rgba(15, 23, 42, 0.8);
  border-color: var(--accent);
  transform: translateX(8px);
}

.project-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.project-content strong {
  display: block;
  margin-bottom: 4px;
  color: var(--accent-light);
  font-size: 1rem;
}

.project-content p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
  margin: 0;
}

/* ===================== 应用展示 ===================== */
.applications-showcase {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.application-showcase-card {
  padding: 32px 24px;
  text-align: center;
  border-radius: 20px;
  border: 1px solid rgba(59, 130, 246, 0.2);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  background: rgba(30, 41, 59, 0.6);
}

.application-showcase-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.application-showcase-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
}

.application-showcase-card:hover::before {
  transform: scaleX(1);
}

.application-showcase-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  display: block;
}

.application-showcase-count {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 8px;
}

.application-showcase-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}

.application-showcase-label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

/* ===================== 关于页面 ===================== */
.about-overview {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 48px;
  align-items: start;
}

.about-content h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.about-content p {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-vision {
  padding: 32px;
  border-radius: 20px;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.about-vision h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--accent-light);
}

.about-vision p {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.value-card {
  padding: 32px;
  border-radius: 20px;
  text-align: center;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.value-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.value-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.value-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

.factory-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.factory-info {
  padding: 32px;
  border-radius: 20px;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.factory-info h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.factory-details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.factory-item {
  padding: 12px;
  background: rgba(15, 23, 42, 0.5);
  border-radius: 8px;
}

.factory-label {
  display: block;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.factory-value {
  font-weight: 600;
}

.certifications h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.cert-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.cert-badge {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-light);
}

.process-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.process-detail-card {
  padding: 32px;
  border-radius: 20px;
  text-align: center;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.process-detail-number {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 auto 20px;
}

.process-detail-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.process-detail-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.process-detail-subtitle {
  font-size: 14px;
  color: var(--accent-light);
  margin-bottom: 16px;
}

.process-detail-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 20px;
  line-height: 1.6;
}

.process-steps {
  text-align: left;
  margin-bottom: 16px;
}

.process-steps h4 {
  font-size: 14px;
  margin-bottom: 8px;
  color: var(--accent-light);
}

.process-steps ul {
  list-style: none;
}

.process-steps li {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  padding: 4px 0;
  padding-left: 16px;
  position: relative;
}

.process-steps li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent);
}

.process-equipment {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  padding: 12px;
  background: rgba(15, 23, 42, 0.5);
  border-radius: 8px;
}

/* ===================== 联系页面 ===================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
}

.contact-info {
  padding: 48px;
  border-radius: 24px;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.contact-info h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.contact-info > p {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 32px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.contact-item strong {
  display: block;
  margin-bottom: 4px;
}

.contact-item p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

.contact-form {
  padding: 48px;
  border-radius: 24px;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.contact-form h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 32px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.8);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 12px;
  color: white;
  font-size: 15px;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(15, 23, 42, 0.8);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.form-group select option {
  background: #0f172a;
  color: white;
}

.map-placeholder {
  padding: 80px;
  border-radius: 24px;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.2);
  text-align: center;
}

.map-content h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.map-content p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 24px;
}

/* ===================== 页脚 ===================== */
.footer {
  background: rgba(15, 23, 42, 1);
  padding: 60px 24px 40px;
  border-top: 1px solid rgba(59, 130, 246, 0.2);
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-brand { max-width: 300px; }

.footer-logo {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-description {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 20px;
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.7);
  transition: all 0.3s ease;
  cursor: pointer;
}

.social-link:hover {
  background: rgba(59, 130, 246, 0.3);
  color: white;
}

.footer-section-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s ease;
  cursor: pointer;
}

.footer-link:hover { color: var(--accent-light); }

.footer-bottom {
  max-width: 1400px;
  margin: 40px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(30, 41, 59, 1);
  text-align: center;
  color: rgba(255, 255, 255, 0.4);
  font-size: 14px;
}

/* ===================== 对比表格 ===================== */
.comparison-table {
  width: 100%;
  background: rgba(30, 41, 59, 0.6);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.comparison-header {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  background: rgba(59, 130, 246, 0.1);
  border-bottom: 1px solid rgba(59, 130, 246, 0.2);
}

.comparison-header > div {
  padding: 16px 20px;
  font-weight: 600;
  text-align: center;
}

.comparison-header > div:first-child {
  text-align: left;
}

.comparison-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  border-bottom: 1px solid rgba(59, 130, 246, 0.1);
}

.comparison-row:last-child {
  border-bottom: none;
}

.comparison-row > div {
  padding: 16px 20px;
  text-align: center;
  font-size: 14px;
}

.comparison-row > div:first-child {
  text-align: left;
  color: rgba(255, 255, 255, 0.7);
}

.comparison-check {
  color: var(--secondary);
  font-weight: 700;
}

.comparison-cross {
  color: #ef4444;
}

/* ===================== 时间线 ===================== */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--secondary));
}

.timeline-item {
  position: relative;
  padding-bottom: 48px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -33px;
  top: 0;
  width: 16px;
  height: 16px;
  background: var(--accent);
  border-radius: 50%;
  border: 3px solid var(--bg-primary);
}

.timeline-year {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-light);
  margin-bottom: 8px;
}

.timeline-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.timeline-desc {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===================== CTA 区域 ===================== */
.cta-section {
  padding: 120px 24px;
  text-align: center;
  background: var(--bg-primary);
  position: relative;
}

.cta-container {
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: #fff;
}

.cta-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.7;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  font-size: 15px;
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  color: #fff;
  border-radius: 10px;
  transition: all 0.3s ease;
}

.cta-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(59, 130, 246, 0.4);
}

.cta-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  font-size: 15px;
  font-weight: 600;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(59, 130, 246, 0.5);
  border-radius: 10px;
  transition: all 0.3s ease;
}

.cta-btn-secondary:hover {
  background: rgba(59, 130, 246, 0.1);
  border-color: var(--accent);
}

@media (max-width: 640px) {
  .cta-section {
    padding: 80px 16px;
  }
  
  .cta-title {
    font-size: 1.75rem;
  }
  
  .cta-description {
    font-size: 1rem;
  }
  
  .cta-btn-primary,
  .cta-btn-secondary {
    padding: 14px 24px;
    font-size: 14px;
  }
}

/* ===================== 页面头部 ===================== */
.page-header {
  padding: 160px 24px 80px;
  text-align: center;
  position: relative;
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.1) 0%, transparent 100%);
}

.page-header-icon {
  font-size: 4rem;
  margin-bottom: 16px;
}

.page-header h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #fff 0%, #60a5fa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-header p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Products Hero with Background Image */
.products-hero {
  background: url('../images/products-hero.jpg') center/cover no-repeat;
  padding: 200px 24px 120px;
  position: relative;
}

.products-hero .page-header-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.85) 0%, rgba(59, 130, 246, 0.6) 100%);
}

.products-hero .page-header-content {
  position: relative;
  z-index: 1;
}

.products-hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: #fff;
  background: none;
  -webkit-text-fill-color: #fff;
}

.products-hero p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Features Hero with Background Image */
.features-hero {
  background: url('../images/features-hero.jpg') center/cover no-repeat;
  padding: 200px 24px 120px;
  position: relative;
}

.features-hero .page-header-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.85) 0%, rgba(34, 197, 94, 0.6) 100%);
}

.features-hero .page-header-content {
  position: relative;
  z-index: 1;
}

.features-hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: #fff;
  background: none;
}

/* Generic Page Header with Background Image */
.page-header-bg {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 200px 24px 120px;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-header-bg .page-header-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.85) 0%, rgba(34, 197, 94, 0.7) 100%);
}

.page-header-bg .page-header-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
}

.page-header-bg h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: #fff;
  background: none;
  -webkit-text-fill-color: #fff;
}

.page-header-bg p {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.6;
  -webkit-text-fill-color: #fff;
}

.features-hero p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ===================== Product List Section ===================== */
.product-list-section {
  padding: 80px 24px;
  background: var(--bg-primary);
}

.product-list-container {
  max-width: 1400px;
  margin: 0 auto;
}

.product-list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-list-card {
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
}

.product-list-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.product-list-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.product-list-icon {
  font-size: 1.5rem;
}

.product-list-badge {
  padding: 4px 12px;
  background: rgba(59, 130, 246, 0.2);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.product-list-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.product-list-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.product-list-image {
  width: 100%;
  height: 160px;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 16px;
  background: rgba(15, 23, 42, 0.5);
}

.product-list-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.product-list-card:hover .product-list-image img {
  transform: scale(1.05);
}

.product-list-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
  flex-grow: 1;
}

.product-list-specs,
.product-list-features,
.product-list-applications {
  margin-bottom: 20px;
}

.product-list-specs h4,
.product-list-features h4,
.product-list-applications h4 {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.spec-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.spec-label {
  font-size: 11px;
  color: var(--text-muted);
}

.spec-value {
  font-size: 12px;
  color: var(--accent-light);
  font-weight: 500;
}

.features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.features-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  padding: 6px 10px;
  background: rgba(59, 130, 246, 0.05);
  border-radius: 6px;
}

.feature-icon {
  font-size: 14px;
}

.application-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.app-tag {
  padding: 4px 10px;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.2);
  border-radius: 4px;
  font-size: 11px;
  color: var(--secondary);
}

.product-list-btn {
  display: block;
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  border-radius: 10px;
  transition: all 0.3s ease;
  margin-top: auto;
}

.product-list-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.4);
}

@media (max-width: 1200px) {
  .product-list-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .product-list-section {
    padding: 60px 16px;
  }
  
  .product-list-grid {
    grid-template-columns: 1fr;
  }
  
  .product-list-card {
    padding: 20px;
  }
}

/* ===================== Weather Resistance Section ===================== */
.weather-resistance-section {
  padding: 80px 24px;
  background: var(--bg-primary);
}

.weather-resistance-container {
  max-width: 1200px;
  margin: 0 auto;
  background: rgba(30, 41, 59, 0.4);
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-radius: 20px;
  padding: 48px;
}

.weather-resistance-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}

.weather-resistance-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(34, 197, 94, 0.1));
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.weather-resistance-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.weather-resistance-subtitle {
  font-size: 14px;
  color: var(--accent-light);
}

.weather-resistance-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.weather-resistance-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.weather-benefits h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-light);
  margin-bottom: 20px;
}

.weather-benefits-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.weather-benefits-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.benefit-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  margin-top: 6px;
  flex-shrink: 0;
}

.weather-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.weather-stat-item {
  text-align: center;
  padding: 24px;
  background: rgba(15, 23, 42, 0.3);
  border-radius: 12px;
}

.weather-stat-value {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-light), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.weather-stat-label {
  font-size: 13px;
  color: var(--text-muted);
}

@media (max-width: 1024px) {
  .weather-resistance-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .weather-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 768px) {
  .weather-resistance-container {
    padding: 32px 24px;
  }
  
  .weather-resistance-header {
    flex-direction: column;
    text-align: center;
  }
  
  .weather-resistance-title {
    font-size: 1.5rem;
  }
  
  .weather-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .weather-stat-value {
    font-size: 1.5rem;
  }
}

/* ===================== Eco-friendly Section ===================== */
.eco-friendly-section {
  padding: 80px 24px;
  background: var(--bg-primary);
}

.eco-friendly-container {
  max-width: 1200px;
  margin: 0 auto;
  background: rgba(30, 41, 59, 0.4);
  border: 1px solid rgba(34, 197, 94, 0.15);
  border-radius: 20px;
  padding: 48px;
}

.eco-friendly-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}

.eco-friendly-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.2), rgba(59, 130, 246, 0.1));
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.eco-friendly-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.eco-friendly-subtitle {
  font-size: 14px;
  color: var(--secondary);
}

.eco-friendly-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.eco-friendly-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.eco-benefits h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 20px;
}

.eco-benefits-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.eco-benefits-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.eco-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.eco-stat-item {
  text-align: center;
  padding: 24px;
  background: rgba(15, 23, 42, 0.3);
  border-radius: 12px;
}

.eco-stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 8px;
}

.eco-stat-label {
  font-size: 13px;
  color: var(--text-muted);
}

@media (max-width: 1024px) {
  .eco-friendly-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .eco-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 768px) {
  .eco-friendly-container {
    padding: 32px 24px;
  }
  
  .eco-friendly-header {
    flex-direction: column;
    text-align: center;
  }
  
  .eco-friendly-title {
    font-size: 1.5rem;
  }
  
  .eco-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .eco-stat-value {
    font-size: 2rem;
  }
}

/* ===================== Color Matching Section ===================== */
.color-matching-section {
  padding: 80px 24px;
  background: var(--bg-primary);
}

.color-matching-container {
  max-width: 1200px;
  margin: 0 auto;
  background: rgba(30, 41, 59, 0.4);
  border: 1px solid rgba(168, 85, 247, 0.15);
  border-radius: 20px;
  padding: 48px;
}

.color-matching-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}

.color-matching-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(59, 130, 246, 0.1));
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.color-matching-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.color-matching-subtitle {
  font-size: 14px;
  color: #a855f7;
}

.color-matching-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.color-matching-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.color-benefits h3 {
  font-size: 14px;
  font-weight: 600;
  color: #a855f7;
  margin-bottom: 20px;
}

.color-benefits-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.color-benefits-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.color-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.color-stat-item {
  text-align: center;
  padding: 24px;
  background: rgba(15, 23, 42, 0.3);
  border-radius: 12px;
}

.color-stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: #a855f7;
  margin-bottom: 8px;
}

.color-stat-label {
  font-size: 13px;
  color: var(--text-muted);
}

@media (max-width: 1024px) {
  .color-matching-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .color-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 768px) {
  .color-matching-container {
    padding: 32px 24px;
  }
  
  .color-matching-header {
    flex-direction: column;
    text-align: center;
  }
  
  .color-matching-title {
    font-size: 1.5rem;
  }
  
  .color-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .color-stat-value {
    font-size: 1.5rem;
  }
}

/* ===================== Rich Color Options Section ===================== */
.rich-color-section {
  padding: 80px 24px;
  background: var(--bg-primary);
}

.rich-color-container {
  max-width: 1200px;
  margin: 0 auto;
  background: rgba(30, 41, 59, 0.4);
  border: 1px solid rgba(6, 182, 212, 0.15);
  border-radius: 20px;
  padding: 48px;
}

.rich-color-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}

.rich-color-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(59, 130, 246, 0.1));
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.rich-color-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.rich-color-subtitle {
  font-size: 14px;
  color: #06b6d4;
}

.rich-color-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.rich-color-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.rich-benefits h3 {
  font-size: 14px;
  font-weight: 600;
  color: #06b6d4;
  margin-bottom: 20px;
}

.rich-benefits-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.rich-benefits-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.rich-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.rich-stat-item {
  text-align: center;
  padding: 24px;
  background: rgba(15, 23, 42, 0.3);
  border-radius: 12px;
}

.rich-stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: #06b6d4;
  margin-bottom: 8px;
}

.rich-stat-label {
  font-size: 13px;
  color: var(--text-muted);
}

@media (max-width: 1024px) {
  .rich-color-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .rich-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 768px) {
  .rich-color-container {
    padding: 32px 24px;
  }
  
  .rich-color-header {
    flex-direction: column;
    text-align: center;
  }
  
  .rich-color-title {
    font-size: 1.5rem;
  }
  
  .rich-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .rich-stat-value {
    font-size: 1.5rem;
  }
}

/* ===================== 响应式设计 ===================== */
@media (max-width: 1024px) {
  .hero-container { grid-template-columns: 1fr; gap: 60px; text-align: center; }
  .hero-description { margin: 0 auto 40px; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { height: auto; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .applications-showcase { grid-template-columns: repeat(2, 1fr); }
  .feature-detail-grid { grid-template-columns: 1fr; }
  .case-stats { grid-template-columns: repeat(3, 1fr); }
  .about-overview { grid-template-columns: 1fr; }
  .factory-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .comparison-header { grid-template-columns: 1fr; }
  .comparison-row { grid-template-columns: 1fr; gap: 12px; }
  .footer-container { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.98);
    padding: 20px;
    gap: 8px;
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
  }
  .mobile-menu-btn { display: flex; }
  .hero { padding: 120px 20px 60px; }
  .hero-title { font-size: 2.5rem; }
  .hero-stats { flex-direction: column; gap: 24px; }
  .section { padding: 80px 20px; }
  .products-grid { grid-template-columns: 1fr; }
  .applications-showcase { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .case-stats { flex-direction: column; gap: 24px; }
  .projects-list { grid-template-columns: 1fr; }
  .timeline-line { display: none; }
  .footer-container { grid-template-columns: 1fr; text-align: center; }
  .footer-brand { max-width: 100%; }
  .cta-content h2 { font-size: 2rem; }
  .cta-buttons { flex-direction: column; }
  .page-header h1 { font-size: 2rem; }
  .page-header-bg { padding: 160px 24px 80px; min-height: 300px; }
  .page-header-bg h1 { font-size: 2.5rem; }
  .page-header-bg p { font-size: 1rem; }
}

@media (max-width: 480px) {
  .applications-showcase { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
}

/* ===================== 特性详情页 ===================== */
.features-detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.feature-detail-card {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 24px;
  padding: 40px;
}

.feature-detail-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 20px;
}

.feature-detail-icon {
  width: 64px;
  height: 64px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  flex-shrink: 0;
}

.feature-detail-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.feature-detail-subtitle {
  font-size: 14px;
  color: var(--accent-light);
}

.feature-detail-desc {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 24px;
}

.feature-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.feature-benefits h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-light);
  margin-bottom: 12px;
}

.benefits-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.benefits-list li {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  padding-left: 20px;
  position: relative;
}

.benefits-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--secondary);
}

.feature-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.feature-stat-item {
  background: rgba(15, 23, 42, 0.5);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
}

.feature-stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-light);
  margin-bottom: 4px;
}

.feature-stat-label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
}

/* ===================== 应用详情页 ===================== */
.cases-detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.case-detail-card {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 24px;
  overflow: hidden;
}

.case-visual-header {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.case-visual-icon {
  font-size: 6rem;
}

.case-visual-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(59, 130, 246, 0.3);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
}

.case-detail-content {
  padding: 40px;
}

.case-detail-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.case-detail-subtitle {
  font-size: 14px;
  color: var(--accent-light);
  margin-bottom: 16px;
}

.case-detail-desc {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 24px;
}

.case-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.case-stat-item {
  background: rgba(15, 23, 42, 0.5);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
}

.case-stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-light);
  margin-bottom: 4px;
}

.case-stat-label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
}

.case-projects h3 {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-line {
  flex: 1;
  height: 1px;
  background: rgba(59, 130, 246, 0.3);
}

.projects-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.project-item {
  display: flex;
  gap: 16px;
  padding: 16px;
  background: rgba(15, 23, 42, 0.5);
  border-radius: 12px;
}

.project-icon {
  width: 40px;
  height: 40px;
  background: rgba(59, 130, 246, 0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  flex-shrink: 0;
}

.project-content strong {
  display: block;
  margin-bottom: 4px;
  font-size: 14px;
}

.project-content p {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
}

/* ===================== 关于页面 ===================== */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: center;
}

.about-intro-content h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.about-intro-content p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid rgba(59, 130, 246, 0.2);
}

.about-stat-item {
  text-align: center;
}

.about-stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-light);
  margin-bottom: 4px;
}

.about-stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

.certs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.cert-card {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 16px;
  padding: 32px;
  text-align: center;
}

.cert-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.cert-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.cert-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.team-card {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 16px;
  padding: 32px;
  text-align: center;
}

.team-avatar {
  width: 80px;
  height: 80px;
  background: rgba(59, 130, 246, 0.2);
  border-radius: 50%;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

.team-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.team-role {
  font-size: 14px;
  color: var(--accent-light);
  margin-bottom: 8px;
}

.team-desc {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

.timeline h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}

/* ===================== 博客页面 ===================== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.blog-card {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.5);
}

.blog-card-image {
  height: 200px;
  overflow: hidden;
  position: relative;
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.05);
}

.blog-card-content {
  padding: 24px;
}

.blog-card-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 12px;
  font-size: 13px;
}

.blog-card-category {
  background: rgba(59, 130, 246, 0.2);
  color: var(--accent-light);
  padding: 4px 12px;
  border-radius: 20px;
}

.blog-card-date {
  color: rgba(255, 255, 255, 0.5);
}

.blog-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.4;
}

.blog-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
  margin-bottom: 16px;
}

.blog-card-link {
  color: var(--accent-light);
  font-size: 14px;
  font-weight: 500;
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}

.pagination-btn {
  padding: 10px 20px;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.pagination-btn:hover {
  background: rgba(59, 130, 246, 0.2);
  border-color: var(--accent);
}

.pagination-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.pagination-btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.newsletter-section {
  padding: 80px 24px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(34, 197, 94, 0.1));
  text-align: center;
}

.newsletter-content {
  max-width: 600px;
  margin: 0 auto;
}

.newsletter-content h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.newsletter-content p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 32px;
}

.newsletter-form {
  display: flex;
  gap: 16px;
  max-width: 500px;
  margin: 0 auto;
}

.newsletter-form input {
  flex: 1;
  padding: 14px 20px;
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 12px;
  color: white;
  font-size: 15px;
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--accent);
}

/* ===================== 联系页面 ===================== */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.contact-card {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 16px;
  padding: 32px;
  text-align: center;
}

.contact-card-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.contact-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.contact-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
}

.contact-form-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
}

.contact-form-info {
  padding: 40px;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 24px;
}

.contact-form-info h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.contact-form-info > p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 32px;
  line-height: 1.6;
}

.contact-form-benefits {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-form-benefit {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
}

.benefit-icon {
  width: 24px;
  height: 24px;
  background: rgba(34, 197, 94, 0.2);
  color: var(--secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
}

.form-group-checkbox {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.form-group-checkbox input {
  width: 20px;
  height: 20px;
  accent-color: var(--accent);
}

.form-group-checkbox label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
}

.btn-full {
  width: 100%;
}

.response-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.response-card {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 16px;
  padding: 32px;
  text-align: center;
}

.response-time {
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent-light);
  margin-bottom: 12px;
}

.response-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.response-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

/* ===================== 新闻列表页 ===================== */
.news-categories {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.news-category-btn {
  padding: 10px 24px;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 24px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.news-category-btn:hover,
.news-category-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.news-featured {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 24px;
  overflow: hidden;
  margin-bottom: 48px;
}

.news-featured-image {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
}

.news-featured-content {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.news-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  font-size: 14px;
}

.news-category {
  background: rgba(59, 130, 246, 0.2);
  color: var(--accent-light);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
}

.news-category.company { background: rgba(59, 130, 246, 0.2); }
.news-category.industry { background: rgba(168, 85, 247, 0.2); }
.news-category.product { background: rgba(34, 197, 94, 0.2); color: #4ade80; }
.news-category.events { background: rgba(236, 72, 153, 0.2); color: #f472b6; }

.news-date {
  color: rgba(255, 255, 255, 0.5);
}

.news-featured-content h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.4;
}

.news-featured-content p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 24px;
}

.news-read-more {
  color: var(--accent-light);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.news-card {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.news-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.5);
}

.news-card-content {
  padding: 24px;
}

.news-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.4;
}

.news-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
  margin-bottom: 16px;
}

.news-link {
  color: var(--accent-light);
  font-size: 14px;
  font-weight: 500;
}

/* ===================== 新闻详情页 ===================== */
.breadcrumb {
  padding: 100px 24px 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a:hover {
  color: var(--accent-light);
}

.article-header {
  padding: 40px 24px;
  text-align: center;
}

.article-meta {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 24px;
  font-size: 14px;
}

.article-read-time {
  color: rgba(255, 255, 255, 0.5);
}

.article-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  max-width: 900px;
  margin: 0 auto 32px;
  line-height: 1.3;
}

.article-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.author-avatar {
  width: 48px;
  height: 48px;
  background: rgba(59, 130, 246, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.author-info {
  text-align: left;
}

.author-name {
  display: block;
  font-weight: 600;
  font-size: 14px;
}

.author-title {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

.article-image {
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 60px;
}

.article-content {
  max-width: 800px;
  margin: 0 auto;
}

.article-lead {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.8;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(59, 130, 246, 0.2);
}

.article-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 40px 0 20px;
}

.article-content p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 20px;
}

.article-content ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 24px;
}

.article-content li {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 8px;
}

.article-content blockquote {
  background: rgba(59, 130, 246, 0.1);
  border-left: 4px solid var(--accent);
  padding: 24px;
  margin: 32px 0;
  border-radius: 0 12px 12px 0;
  font-style: italic;
  color: rgba(255, 255, 255, 0.9);
}

.article-share {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 48px 0;
  padding: 24px 0;
  border-top: 1px solid rgba(59, 130, 246, 0.2);
  border-bottom: 1px solid rgba(59, 130, 246, 0.2);
}

.article-share span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

.share-buttons {
  display: flex;
  gap: 8px;
}

.share-btn {
  width: 40px;
  height: 40px;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.share-btn:hover {
  background: rgba(59, 130, 246, 0.2);
  border-color: var(--accent);
}

.article-tags {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.tag {
  padding: 8px 16px;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 20px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}

/* ===================== 响应式更新 ===================== */
@media (max-width: 1024px) {
  .feature-detail-grid,
  .case-stats,
  .about-intro,
  .contact-form-wrapper,
  .news-featured {
    grid-template-columns: 1fr;
  }
  
  .certs-grid,
  .team-grid,
  .blog-grid,
  .news-grid,
  .response-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-container {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .feature-stats-grid {
    grid-template-columns: 1fr;
  }
  
  .certs-grid,
  .team-grid,
  .blog-grid,
  .news-grid,
  .response-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-cards {
    grid-template-columns: 1fr;
  }
  
  .about-stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .newsletter-form {
    flex-direction: column;
  }
  
  .article-header h1 {
    font-size: 1.75rem;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    text-align: center;
  }
}