/* CSS 变量 - 商务蓝配色 */
:root {
  --primary-blue: #4a90a4;
  --primary-dark: #2c5f7c;
  --primary-darker: #1a3a4a;
  --bg-light: #f8f9fa;
  --bg-gray: #e9ecef;
  --text-dark: #1a1a2e;
  --text-muted: #666666;
  --white: #ffffff;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 8px 30px rgba(74, 144, 164, 0.2);
  --radius: 12px;
  --transition: all 0.3s ease;
}

/* 重置样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: #ffffff;
  min-height: 100vh;
  color: var(--text-dark);
  line-height: 1.6;
}

/* Hero Banner */
.hero-banner {
  background: linear-gradient(135deg, #0a1628 0%, #1a3a5c 50%, #2c5f7c 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.5;
}

.hero-banner::after {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(74, 144, 164, 0.3) 0%, transparent 70%);
  top: -200px;
  right: -200px;
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.1); opacity: 0.5; }
}

.hero-content {
  text-align: center;
  padding: 40px;
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero-logo {
  font-size: 48px;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 12px;
  margin-bottom: 20px;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-title {
  font-size: 42px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 20px;
  line-height: 1.3;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 50px;
  letter-spacing: 1px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}

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

.stat-number {
  display: block;
  font-size: 36px;
  font-weight: 700;
  color: #4a90a4;
  text-shadow: 0 0 20px rgba(74, 144, 164, 0.5);
}

.stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.stat-divider {
  width: 1px;
  height: 50px;
  background: rgba(255, 255, 255, 0.2);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 13px;
  animation: bounce 2s infinite;
}

.scroll-arrow {
  font-size: 20px;
  margin-top: 8px;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

/* About Section */
.about-section {
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
  padding: 80px 0;
  margin: 0 -40px;
  padding-left: 40px;
  padding-right: 40px;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.about-left {
  padding-right: 20px;
}

.about-label {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
  color: #ffffff;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.about-title {
  font-size: 36px;
  font-weight: 700;
  color: #1a3a5c;
  margin-bottom: 25px;
  line-height: 1.3;
}

.about-text {
  font-size: 15px;
  color: #555555;
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-top: 30px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  color: #333333;
}

.feature-icon {
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, #4a90a4 0%, #2c5f7c 100%);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}

.about-right {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  border: 1px solid #eef2f7;
}

.about-card.highlight {
  background: linear-gradient(135deg, #1a3a5c 0%, #2c5f7c 100%);
  border: none;
}

.about-card .card-title {
  font-size: 20px;
  font-weight: 700;
  color: #1a3a5c;
  margin-bottom: 15px;
}

.about-card.highlight .card-title {
  color: #ffffff;
}

.about-card .card-text {
  font-size: 14px;
  color: #666666;
  line-height: 1.7;
}

.about-card.highlight .card-text {
  color: rgba(255, 255, 255, 0.85);
}

.card-btn {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 24px;
  background: #ffffff;
  color: #1a3a5c;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
}

.card-btn:hover {
  transform: translateX(5px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* ============ 首页样式 ============ */
.home-hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* 背景层 */
.home-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
}

.bg-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #0a1628 0%, #1a3a5c 40%, #2c5f7c 70%, #1a3a5c 100%);
}

.bg-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: grid-move 20s linear infinite;
}

@keyframes grid-move {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

.bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: glow-pulse 8s ease-in-out infinite;
}

.bg-glow-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(74, 144, 164, 0.4) 0%, transparent 70%);
  top: -200px;
  right: -100px;
  animation-delay: 0s;
}

.bg-glow-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(44, 95, 124, 0.3) 0%, transparent 70%);
  bottom: -150px;
  left: -100px;
  animation-delay: -3s;
}

.bg-glow-3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(74, 144, 164, 0.25) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -5s;
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.1); }
}

/* 粒子 */
.particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(74, 144, 164, 0.6);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(74, 144, 164, 0.5);
}

.particle-1 { left: 10%; top: 20%; animation: particle-float 15s infinite; }
.particle-2 { left: 25%; top: 60%; animation: particle-float 18s infinite -3s; }
.particle-3 { left: 40%; top: 30%; animation: particle-float 12s infinite -6s; }
.particle-4 { left: 55%; top: 70%; animation: particle-float 16s infinite -9s; }
.particle-5 { left: 70%; top: 25%; animation: particle-float 14s infinite -2s; }
.particle-6 { left: 85%; top: 55%; animation: particle-float 17s infinite -7s; }
.particle-7 { left: 15%; top: 80%; animation: particle-float 13s infinite -4s; }
.particle-8 { left: 90%; top: 85%; animation: particle-float 19s infinite -10s; }

@keyframes particle-float {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.3; }
  25% { transform: translate(30px, -50px) scale(1.5); opacity: 0.8; }
  50% { transform: translate(-20px, -80px) scale(0.8); opacity: 0.5; }
  75% { transform: translate(40px, -30px) scale(1.2); opacity: 0.6; }
}

/* 装饰线条 */
.deco-lines {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.deco-line {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(74, 144, 164, 0.3), transparent);
  animation: line-move 8s linear infinite;
}

.deco-line-1 { top: 25%; width: 60%; left: -60%; animation-delay: 0s; }
.deco-line-2 { top: 50%; width: 80%; left: -80%; animation-delay: -2s; }
.deco-line-3 { top: 75%; width: 50%; left: -50%; animation-delay: -4s; }

@keyframes line-move {
  0% { transform: translateX(0); }
  100% { transform: translateX(calc(100vw + 100%)); }
}

/* 主内容 */
.home-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 40px;
  max-width: 1200px;
}

/* Logo区域 */
.home-logo-section {
  margin-bottom: 30px;
  animation: fadeInDown 1s ease;
}

.logo-wrapper {
  position: relative;
  display: inline-block;
}

.logo-text {
  font-size: 80px;
  font-weight: 900;
  color: #ffffff;
  letter-spacing: 20px;
  text-shadow:
    0 0 20px rgba(74, 144, 164, 0.5),
    0 0 40px rgba(74, 144, 164, 0.3),
    0 0 60px rgba(74, 144, 164, 0.2);
  animation: logo-glow 3s ease-in-out infinite;
}

.logo-shine {
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shine 4s ease-in-out infinite;
}

@keyframes shine {
  0%, 100% { left: -100%; }
  50% { left: 150%; }
}

@keyframes logo-glow {
  0%, 100% {
    text-shadow:
      0 0 20px rgba(74, 144, 164, 0.5),
      0 0 40px rgba(74, 144, 164, 0.3);
  }
  50% {
    text-shadow:
      0 0 30px rgba(74, 144, 164, 0.8),
      0 0 60px rgba(74, 144, 164, 0.5),
      0 0 90px rgba(74, 144, 164, 0.3);
  }
}

.logo-tagline {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 8px;
  margin-top: 10px;
  text-transform: uppercase;
}

/* 主标题 */
.home-main-title {
  margin-bottom: 40px;
}

.title-line {
  display: block;
  font-size: 48px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 8px;
  line-height: 1.4;
}

.title-line-1 {
  animation: fadeInUp 1s ease 0.2s both;
}

.title-line-2 {
  background: linear-gradient(90deg, #4a90a4, #ffffff, #4a90a4);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 1s ease 0.4s both, text-shimmer 3s ease-in-out infinite;
}

@keyframes text-shimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* 数据统计 */
.home-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  margin-bottom: 60px;
  animation: fadeInUp 1s ease 0.6s both;
}

.stat-item {
  text-align: center;
  position: relative;
}

.stat-number {
  font-size: 56px;
  font-weight: 800;
  color: #4a90a4;
  line-height: 1;
  text-shadow: 0 0 30px rgba(74, 144, 164, 0.5);
}

.stat-plus {
  font-size: 32px;
  font-weight: 700;
  color: #4a90a4;
}

.stat-label {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 8px;
  letter-spacing: 2px;
}

.stat-divider {
  width: 1px;
  height: 60px;
  background: linear-gradient(180deg, transparent, rgba(255,255,255,0.3), transparent);
}

/* 卡片入口 */
.home-cards {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-bottom: 60px;
}

.home-card {
  position: relative;
  width: 320px;
  height: 200px;
  border-radius: 24px;
  overflow: hidden;
  text-decoration: none;
  animation: fadeInUp 1s ease 0.8s both;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.home-card:nth-child(2) {
  animation-delay: 1s;
}

.home-card:hover {
  transform: translateY(-10px) scale(1.02);
}

.card-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.4s ease;
}

.home-card:hover .card-bg {
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0.08) 100%);
  border-color: rgba(255, 255, 255, 0.4);
}

.card-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(74, 144, 164, 0.3) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.home-card:hover .card-glow {
  opacity: 1;
}

.card-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 30px;
}

.card-icon-wrap {
  position: relative;
  margin-bottom: 15px;
}

.card-icon {
  font-size: 48px;
  display: block;
  animation: icon-bounce 2s ease-in-out infinite;
}

.home-card:hover .card-icon {
  animation: icon-bounce 0.5s ease-in-out;
}

@keyframes icon-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.icon-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 70px;
  height: 70px;
  border: 2px solid rgba(74, 144, 164, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: ring-pulse 2s ease-in-out infinite;
}

@keyframes ring-pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
  50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0; }
}

.card-text {
  text-align: center;
}

.card-title-cn {
  display: block;
  font-size: 20px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 5px;
}

.card-title-en {
  display: block;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 1px;
}

.card-arrow {
  position: absolute;
  right: 25px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255, 255, 255, 0.5);
  transition: all 0.3s ease;
}

.home-card:hover .card-arrow {
  color: #ffffff;
  transform: translateY(-50%) translateX(5px);
}

/* 底部 */
.home-footer {
  animation: fadeInUp 1s ease 1.2s both;
}

.footer-text {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 4px;
  margin-bottom: 30px;
}

.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.scroll-text {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 2px;
}

.scroll-arrow {
  color: rgba(255, 255, 255, 0.4);
  animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* 动画 */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 首页响应式 */
@media (max-width: 1024px) {
  .home-cards {
    gap: 30px;
  }

  .home-card {
    width: 280px;
    height: 180px;
  }
}

@media (max-width: 768px) {
  .logo-text {
    font-size: 48px;
    letter-spacing: 10px;
  }

  .title-line {
    font-size: 32px;
    letter-spacing: 4px;
  }

  .home-stats {
    gap: 25px;
  }

  .stat-number {
    font-size: 40px;
  }

  .stat-plus {
    font-size: 24px;
  }

  .home-cards {
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }

  .home-card {
    width: 100%;
    max-width: 320px;
    height: 160px;
  }

  .card-icon {
    font-size: 36px;
  }

  .card-title-cn {
    font-size: 18px;
  }
}

@media (max-width: 480px) {
  .home-content {
    padding: 20px;
  }

  .logo-text {
    font-size: 36px;
    letter-spacing: 6px;
  }

  .logo-tagline {
    font-size: 12px;
    letter-spacing: 4px;
  }

  .title-line {
    font-size: 24px;
    letter-spacing: 2px;
  }

  .home-stats {
    flex-direction: column;
    gap: 20px;
  }

  .stat-divider {
    width: 60px;
    height: 1px;
  }

  .stat-number {
    font-size: 32px;
  }
}

.card-icon {
  width: 70px;
  height: 70px;
  border-radius: var(--radius);
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  position: relative;
  z-index: 2;
}

.card-icon.brand {
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
}

.card-icon.partner {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-darker) 100%);
}

.card-title {
  font-weight: 600;
  color: var(--text-dark);
  font-size: 20px;
  margin-bottom: 8px;
  position: relative;
  z-index: 2;
}

.card-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  position: relative;
  z-index: 2;
}

/* 详情页容器 */
.detail-container {
  padding: 40px;
  max-width: 900px;
  margin: 0 auto;
}

/* 模块标题 */
.section-title {
  text-align: center;
  font-size: 24px;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: 24px;
  margin-top: 50px;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: baseline;
  gap: 10px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: #1a3a5c;
}

.section-title .title-en {
  font-size: 28px;
  font-weight: 700;
  color: #1a3a5c;
}

.section-title .title-cn {
  font-size: 22px;
  font-weight: 700;
  color: #1a3a5c;
}

.section-title:first-child {
  margin-top: 0;
}

/* 网格布局 */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* 网格卡片 */
.grid-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.grid-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.grid-card-image {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-gray) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.grid-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.grid-card-placeholder {
  color: var(--primary-blue);
  font-size: 12px;
}

.grid-card-title {
  padding: 12px;
  text-align: center;
  font-weight: 600;
  color: var(--text-dark);
  font-size: 15px;
}

/* 模块间距 */
.section {
  margin-bottom: 50px;
}

/* 模块副标题 */
.section-subtitle {
  text-align: center;
  font-size: 14px;
  color: #555555;
  margin-bottom: 30px;
  margin-top: -15px;
  line-height: 1.8;
  font-weight: 400;
}

/* 产品模块副标题 */
.product-subtitle {
  margin-top: -10px;
  margin-bottom: 25px;
  font-size: 15px;
  color: #333333;
}

.subtitle-divider {
  color: var(--primary-blue);
  margin: 0 4px;
}

/* 工艺模块标题 */
.process-title {
  display: flex;
  justify-content: center;
  align-items: baseline;
  gap: 12px;
  position: relative;
  padding-bottom: 15px;
}

.process-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 2px;
  background: #1a3a5c;
}

.process-title .title-en {
  font-size: 32px;
  font-weight: 700;
  color: #1a3a5c;
}

.process-title .title-cn {
  font-size: 24px;
  font-weight: 700;
  color: #1a3a5c;
}

/* 工作流程容器 */
.workflow-container {
  display: flex;
  gap: 30px;
  justify-content: center;
}

/* 工作流程列 */
.workflow-column {
  flex: 1;
  max-width: 280px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 30px 20px;
  box-shadow: var(--shadow);
  text-align: center;
  display: flex;
  flex-direction: column;
}

/* 工作流程标签 */
.workflow-label {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 25px;
}

/* 工作流程步骤容器 */
.workflow-steps {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 25px;
  flex-grow: 1;
}

/* 工作流程步骤 */
.workflow-step {
  background: var(--bg-light);
  color: var(--text-dark);
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  width: 100%;
  max-width: 200px;
  text-align: center;
}

/* 工作流程箭头 */
.workflow-arrow {
  color: var(--primary-dark);
  font-size: 20px;
  margin: 8px 0;
  font-weight: bold;
}

/* 工作流程按钮 */
.workflow-btn {
  display: inline-block;
  background: var(--white);
  color: var(--primary-dark);
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  border: 2px solid var(--primary-blue);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  margin-top: auto;
}

.workflow-btn:hover {
  background: var(--primary-blue);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

/* 返回按钮 */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--white);
  border-radius: 8px;
  color: var(--primary-dark);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  margin-bottom: 30px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.back-btn:hover {
  background: var(--primary-blue);
  color: var(--white);
}

/* 移动端适配 */
@media (max-width: 768px) {
  .card-container {
    gap: 20px;
    max-width: 500px;
  }

  .card {
    padding: 30px 20px;
  }

  .main-title {
    font-size: 28px;
    letter-spacing: 2px;
  }

  .card-icon {
    width: 50px;
    height: 50px;
    font-size: 24px;
  }

  .card-title {
    font-size: 16px;
  }

  .detail-container {
    padding: 20px;
    max-width: 500px;
  }

  .grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .section-title {
    font-size: 18px;
  }

  /* Hero 移动端 */
  .hero-logo {
    font-size: 32px;
    letter-spacing: 8px;
  }

  .hero-title {
    font-size: 28px;
  }

  .hero-subtitle {
    font-size: 14px;
  }

  .hero-stats {
    gap: 15px;
  }

  .stat-number {
    font-size: 24px;
  }

  .stat-label {
    font-size: 11px;
  }

  .stat-divider {
    height: 30px;
  }

  /* About 移动端 */
  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-section {
    padding: 50px 0;
    margin: 0 -20px;
    padding-left: 20px;
    padding-right: 20px;
  }

  .about-title {
    font-size: 28px;
  }

  .about-features {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .card-container {
    flex-direction: column;
    max-width: 280px;
  }

  .main-title {
    font-size: 20px;
    margin-bottom: 40px;
  }

  .workflow-container {
    flex-direction: column;
    align-items: center;
  }

  .workflow-column {
    max-width: 100%;
  }
}

/* 工艺模块 Craft Section */
.craft-section {
  background: #ffffff;
  padding: 60px 0;
  margin: 0 -40px;
  padding-left: 40px;
  padding-right: 40px;
}

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

.craft-title {
  display: flex;
  justify-content: center;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 15px;
  position: relative;
  padding-bottom: 15px;
}

.craft-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 2px;
  background: #1a3a5c;
}

.craft-title .title-en {
  font-size: 28px;
  font-weight: 700;
  color: #1a3a5c;
}

.craft-title .title-cn {
  font-size: 22px;
  font-weight: 700;
  color: #1a3a5c;
}

.craft-divider {
  width: 80px;
  height: 2px;
  background: #1a3a5c;
  margin: 0 auto 20px;
}

.craft-subtitle {
  font-size: 15px;
  color: #555555;
  font-weight: 400;
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto;
}

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

.craft-card {
  background: #ffffff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: var(--transition);
}

.craft-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.craft-image {
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

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

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

.craft-content {
  padding: 16px;
}

.craft-name {
  font-size: 16px;
  font-weight: 700;
  color: #333333;
  margin-bottom: 8px;
  text-align: left;
}

.craft-desc {
  font-size: 13px;
  color: #666666;
  font-weight: 400;
  line-height: 1.5;
  text-align: left;
}

@media (max-width: 900px) {
  .craft-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .craft-section {
    margin: 0 -20px;
    padding-left: 20px;
    padding-right: 20px;
  }
}

@media (max-width: 480px) {
  .craft-grid {
    grid-template-columns: 1fr;
  }

  .craft-title .title-en {
    font-size: 28px;
  }

  .craft-title .title-cn {
    font-size: 22px;
  }
}

/* 供应链页面样式 Supply Chain Page */
.section {
  padding: 100px 40px;
  margin: 0;
  position: relative;
  overflow: hidden;
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

/* 装饰性浮动元素 */
.floating-shape {
  position: absolute;
  pointer-events: none;
  z-index: 1;
  opacity: 0.6;
}

.shape-1 {
  width: 300px;
  height: 300px;
  background: linear-gradient(135deg, rgba(74, 144, 164, 0.15) 0%, rgba(44, 95, 124, 0.1) 100%);
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  top: -100px;
  right: -100px;
  animation: float 8s ease-in-out infinite;
}

.shape-2 {
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, rgba(26, 58, 92, 0.1) 0%, rgba(74, 144, 164, 0.08) 100%);
  border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  bottom: 50px;
  left: -50px;
  animation: float 10s ease-in-out infinite reverse;
}

.shape-3 {
  width: 150px;
  height: 150px;
  border: 2px solid rgba(74, 144, 164, 0.2);
  border-radius: 50%;
  top: 30%;
  left: 10%;
  animation: pulse-border 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(20px, -20px) rotate(5deg); }
  50% { transform: translate(0, -30px) rotate(0deg); }
  75% { transform: translate(-20px, -10px) rotate(-5deg); }
}

@keyframes pulse-border {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.1); opacity: 0.5; }
}

/* 统一标题格式 */
.main-section-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  position: relative;
  padding-bottom: 20px;
  margin-bottom: 30px;
}

.main-section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, transparent, #4a90a4, transparent);
  border-radius: 2px;
}

.main-section-title::before {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 3px;
  background: linear-gradient(90deg, transparent, #1a3a5c, transparent);
  border-radius: 2px;
}

.main-section-title .title-en {
  font-size: 14px;
  font-weight: 600;
  color: #4a90a4;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.main-section-title .title-cn {
  font-size: 32px;
  font-weight: 700;
  color: #1a3a5c;
  letter-spacing: 2px;
}

.section-main-title {
  font-size: 36px;
  font-weight: 700;
  color: #1a3a5c;
  text-align: center;
  margin-bottom: 25px;
  background: linear-gradient(135deg, #1a3a5c 0%, #4a90a4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Hero标题块 - 供应链页面第一屏 */
.hero-title-block {
  text-align: center;
  margin-bottom: 50px;
  padding: 60px 40px;
  position: relative;
}

.hero-subtitle {
  font-size: 22px;
  font-weight: 600;
  color: #4a90a4;
  letter-spacing: 4px;
  margin-bottom: 25px;
  position: relative;
  display: inline-block;
}

.hero-subtitle::before,
.hero-subtitle::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, #4a90a4);
}

.hero-subtitle::before {
  right: calc(100% + 20px);
  background: linear-gradient(90deg, transparent, #4a90a4);
}

.hero-subtitle::after {
  left: calc(100% + 20px);
  background: linear-gradient(90deg, #4a90a4, transparent);
}

.hero-main-title {
  font-size: 64px;
  font-weight: 800;
  color: #1a3a5c;
  letter-spacing: 6px;
  line-height: 1.3;
  margin-bottom: 35px;
  position: relative;
  display: inline-block;
}

.hero-main-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: linear-gradient(90deg, #4a90a4, #2c5f7c, #4a90a4);
  border-radius: 2px;
}

.hero-desc {
  font-size: 22px;
  font-weight: 600;
  color: #4a90a4;
  line-height: 2;
  max-width: 1000px;
  margin: 0 auto;
  letter-spacing: 1px;
}

.section-intro {
  font-size: 16px;
  color: #555555;
  line-height: 2;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 40px;
  padding: 25px 40px;
  background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(248,250,252,0.9) 100%);
  border-radius: 16px;
  border-left: 4px solid #4a90a4;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.section-points {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
  margin-bottom: 30px;
}

.section-points p {
  font-size: 15px;
  color: #333333;
  font-weight: 500;
  padding: 12px 24px;
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  border-radius: 30px;
  border: 1px solid rgba(74, 144, 164, 0.2);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.section-points p:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(74, 144, 164, 0.15);
  border-color: rgba(74, 144, 164, 0.4);
}

/* 板块背景色与装饰 */
.sc-section {
  background: linear-gradient(180deg, #f0f7fa 0%, #ffffff 50%, #fafbfc 100%);
}

.sc-section::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(74, 144, 164, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.sc-section::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -150px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(26, 58, 92, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.product-section {
  background: #ffffff;
  position: relative;
}

.product-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: -300px;
  width: 600px;
  height: 600px;
  background: conic-gradient(from 0deg at 50% 50%, rgba(74, 144, 164, 0.03) 0deg, rgba(44, 95, 124, 0.05) 180deg, rgba(74, 144, 164, 0.03) 360deg);
  border-radius: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

.channel-section {
  background: linear-gradient(135deg, #f8fafc 0%, #e8f4f8 50%, #ffffff 100%);
}

.channel-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 250px;
  background: linear-gradient(180deg, rgba(74, 144, 164, 0.06) 0%, transparent 100%);
  pointer-events: none;
}

.channel-section::after {
  content: '';
  position: absolute;
  bottom: -100px;
  right: -150px;
  width: 400px;
  height: 400px;
  border: 1px solid rgba(74, 144, 164, 0.1);
  border-radius: 50%;
  pointer-events: none;
}

.ecommerce-section {
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.ecommerce-section::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -250px;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(74, 144, 164, 0.08) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}

.ecommerce-section::after {
  content: '';
  position: absolute;
  bottom: 150px;
  left: -200px;
  width: 300px;
  height: 300px;
  border: 1px solid rgba(74, 144, 164, 0.12);
  border-radius: 50%;
  pointer-events: none;
}

.cooperation-section {
  background: linear-gradient(180deg, #f0f7fa 0%, #ffffff 100%);
}

.cooperation-section::before {
  content: '';
  position: absolute;
  top: 50%;
  right: -300px;
  width: 700px;
  height: 700px;
  background: conic-gradient(from 45deg at 50% 50%, rgba(74, 144, 164, 0.02) 0deg, rgba(44, 95, 124, 0.04) 180deg, rgba(74, 144, 164, 0.02) 360deg);
  border-radius: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

.cooperation-section::after {
  content: '';
  position: absolute;
  top: 150px;
  left: 100px;
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, rgba(74, 144, 164, 0.1) 0%, transparent 100%);
  border-radius: 50%;
  pointer-events: none;
}

.contact-section {
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.contact-section::before {
  content: '';
  position: absolute;
  top: -150px;
  left: -250px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(74, 144, 164, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

/* 案例卡片 */
.case-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  margin-top: 50px;
}

.case-card {
  background: #ffffff;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.case-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #4a90a4, #2c5f7c, #4a90a4);
  background-size: 200% 100%;
  animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.case-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 20px 60px rgba(74, 144, 164, 0.2);
}

.case-image {
  width: 100%;
  height: 220px;
  background: linear-gradient(135deg, #e8f4f8 0%, #d1e8ef 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.case-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(180deg, transparent, rgba(255,255,255,0.9));
}

.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.case-card:hover .case-image img {
  transform: scale(1.1);
}

.case-placeholder {
  font-size: 14px;
  color: #999;
}

.case-content {
  padding: 30px;
  position: relative;
}

.case-content::before {
  content: '"';
  position: absolute;
  top: 10px;
  right: 20px;
  font-size: 60px;
  color: rgba(74, 144, 164, 0.1);
  font-family: Georgia, serif;
  line-height: 1;
}

.case-title {
  font-size: 20px;
  font-weight: 700;
  color: #1a3a5c;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.case-title::before {
  content: '';
  width: 4px;
  height: 20px;
  background: linear-gradient(180deg, #4a90a4, #2c5f7c);
  border-radius: 2px;
}

.case-desc {
  font-size: 14px;
  color: #666666;
  line-height: 1.9;
}

/* 电商特色卡片 */
.ecommerce-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 50px;
}

.feature-card {
  background: #ffffff;
  border-radius: 20px;
  padding: 40px 25px;
  text-align: center;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(238, 242, 247, 0.8);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(74, 144, 164, 0.03) 0%, rgba(44, 95, 124, 0.05) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(74, 144, 164, 0.15);
  border-color: rgba(74, 144, 164, 0.3);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  font-size: 48px;
  margin-bottom: 20px;
  display: inline-block;
  transition: transform 0.3s ease;
  position: relative;
  z-index: 1;
}

.feature-card:hover .feature-icon {
  transform: scale(1.2) rotate(5deg);
}

.feature-text {
  font-size: 15px;
  color: #333333;
  font-weight: 500;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

/* 合作方式网格 */
.cooperation-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 50px;
}

.coop-card {
  background: #ffffff;
  border-radius: 20px;
  padding: 45px 30px;
  text-align: center;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(238, 242, 247, 0.8);
}

.coop-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg, transparent, rgba(74, 144, 164, 0.1), transparent 30%);
  opacity: 0;
  transition: opacity 0.5s ease;
  animation: rotate-bg 4s linear infinite paused;
}

@keyframes rotate-bg {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.coop-card:hover::before {
  opacity: 1;
  animation-play-state: running;
}

.coop-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(74, 144, 164, 0.18);
  border-color: rgba(74, 144, 164, 0.3);
}

.coop-icon {
  font-size: 50px;
  margin-bottom: 25px;
  display: inline-block;
  transition: transform 0.3s ease;
  position: relative;
  z-index: 1;
}

.coop-card:hover .coop-icon {
  transform: scale(1.15) rotate(-5deg);
}

.coop-title {
  font-size: 18px;
  font-weight: 700;
  color: #1a3a5c;
  margin-bottom: 15px;
  position: relative;
  z-index: 1;
}

.coop-desc {
  font-size: 14px;
  color: #666666;
  line-height: 1.8;
  position: relative;
  z-index: 1;
}

/* Footer Brand */
.footer-brand {
  font-size: 28px;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 4px;
  margin-bottom: 20px;
}

/* 供应链页面响应式 */
@media (max-width: 1024px) {
  .ecommerce-features,
  .cooperation-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section {
    padding: 50px 20px;
  }

  .main-section-title .title-en {
    font-size: 22px;
  }

  .main-section-title .title-cn {
    font-size: 18px;
  }

  .section-main-title {
    font-size: 24px;
  }

  .hero-main-title {
    font-size: 36px;
    letter-spacing: 3px;
  }

  .hero-subtitle,
  .hero-desc {
    font-size: 16px;
  }

  .hero-title-block {
    padding: 40px 20px;
  }

  .case-cards {
    grid-template-columns: 1fr;
  }

  .ecommerce-features,
  .cooperation-grid {
    grid-template-columns: 1fr;
  }
}

/* 页脚样式 Footer */
.footer {
  background: linear-gradient(135deg, #2c5f7c 0%, #1a3a5c 50%, #0f2537 100%);
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.03)"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  pointer-events: none;
}

/* 顶部导航栏 */
.footer-nav {
  background: rgba(0, 0, 0, 0.15);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  z-index: 1;
}

.footer-nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  font-size: 28px;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 4px;
}

.footer-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-menu a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-size: 14px;
  font-weight: 400;
  padding: 8px 12px;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.footer-menu a:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}

.menu-divider {
  color: rgba(255, 255, 255, 0.3);
  font-size: 12px;
}

/* 页脚主体 */
.footer-main {
  position: relative;
  z-index: 1;
  padding: 50px 40px;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.5fr 1fr;
  gap: 60px;
  align-items: start;
}

.footer-column {
  color: #ffffff;
}

/* 社交图标栏 */
.footer-social .social-icons {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.social-icon {
  width: 40px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  transition: all 0.3s ease;
}

.social-icon:hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-3px);
}

.social-icon svg {
  width: 18px;
  height: 18px;
}

.copyright {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 400;
}

/* 联系信息栏 */
.footer-title {
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 20px;
}

.contact-info p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
  margin-bottom: 12px;
}

.contact-info strong {
  color: #ffffff;
  font-weight: 600;
}

/* 二维码栏 */
.footer-qrcode {
  text-align: center;
}

.footer-qrcode .footer-title {
  text-align: center;
}

.qrcode-container {
  display: flex;
  gap: 20px;
  justify-content: center;
}

.qrcode-item {
  width: 100px;
  height: 100px;
  background: #ffffff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.qrcode-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.qrcode-placeholder {
  font-size: 11px;
  color: #999;
  text-align: center;
  padding: 10px;
}

/* 页脚响应式 */
@media (max-width: 900px) {
  .footer-container {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .footer-qrcode {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .footer-nav-container {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }

  .footer-menu {
    flex-wrap: wrap;
    justify-content: center;
  }

  .menu-divider {
    display: none;
  }

  .footer-container {
    grid-template-columns: 1fr;
    gap: 30px;
    text-align: center;
  }

  .footer-social .social-icons {
    justify-content: center;
  }

  .footer-main {
    padding: 40px 20px;
  }
}

/* 滚动动画 */
.animate-ready {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-ready.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.case-card,
.feature-card,
.coop-card,
.section-points p {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.case-card.animate-in,
.feature-card.animate-in,
.coop-card.animate-in,
.section-points p.animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* 鼠标跟随光效 */
.case-card::after,
.feature-card::after,
.coop-card::after {
  content: '';
  position: absolute;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, rgba(74, 144, 164, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  left: var(--mouse-x, 50%);
  top: var(--mouse-y, 50%);
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 0;
}

.case-card:hover::after,
.feature-card:hover::after,
.coop-card:hover::after {
  opacity: 1;
}

/* 粒子装饰背景 */
.particles-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(74, 144, 164, 0.3);
  border-radius: 50%;
  animation: particle-float 15s infinite;
}

@keyframes particle-float {
  0%, 100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.3;
  }
  25% {
    transform: translate(100px, -100px) scale(1.2);
    opacity: 0.5;
  }
  50% {
    transform: translate(200px, 50px) scale(0.8);
    opacity: 0.2;
  }
  75% {
    transform: translate(50px, 100px) scale(1.1);
    opacity: 0.4;
  }
}

/* 渐变文字效果 */
.gradient-text {
  background: linear-gradient(135deg, #1a3a5c 0%, #4a90a4 50%, #2c5f7c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  animation: gradient-text-flow 5s ease infinite;
}

@keyframes gradient-text-flow {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* 发光边框效果 */
.glow-border {
  position: relative;
}

.glow-border::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, #4a90a4, #2c5f7c, #4a90a4, #2c5f7c);
  background-size: 400% 400%;
  border-radius: inherit;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
  animation: glow-rotate 3s linear infinite;
}

.glow-border:hover::before {
  opacity: 1;
}

@keyframes glow-rotate {
  0% { background-position: 0% 50%; }
  100% { background-position: 400% 50%; }
}

/* 悬浮阴影动画 */
@keyframes shadow-pulse {
  0%, 100% {
    box-shadow: 0 10px 40px rgba(74, 144, 164, 0.1);
  }
  50% {
    box-shadow: 0 15px 50px rgba(74, 144, 164, 0.2);
  }
}

.case-card {
  animation: shadow-pulse 3s ease-in-out infinite;
}

/* 响应式动画优化 */
@media (prefers-reduced-motion: reduce) {
  .animate-ready,
  .case-card,
  .feature-card,
  .coop-card,
  .section-points p,
  .floating-shape {
    animation: none;
    transition: none;
    opacity: 1;
    transform: none;
  }
}

/* 供应链页面导航栏 */
/* 供应链页面导航栏 - 深蓝色背景 */
.sc-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: #1a3a5c !important;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
  z-index: 1000;
  transition: all 0.3s ease;
}

.sc-nav.scrolled {
  background: #1a3a5c !important;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.sc-nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 15px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sc-nav-logo {
  font-size: 24px;
  font-weight: 800;
  color: #ffffff !important;
  text-decoration: none;
  letter-spacing: 3px;
  transition: all 0.3s ease;
  margin-left: -15px;
}

.sc-nav-logo:hover {
  color: #4a90a4 !important;
  transform: scale(1.05);
}

.sc-nav-links {
  display: flex;
  gap: 8px;
}

.sc-nav-links a {
  color: rgba(255, 255, 255, 0.85) !important;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 10px 18px;
  border-radius: 25px;
  transition: all 0.3s ease;
  position: relative;
}

.sc-nav-links a::after {
  content: '';
  position: absolute;
  bottom: 5px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #4a90a4, #7dd3c0);
  transition: width 0.3s ease;
  border-radius: 1px;
}

.sc-nav-links a:hover {
  color: #ffffff !important;
  background: rgba(255, 255, 255, 0.1);
}

.sc-nav-links a:hover::after {
  width: 30px;
}

.sc-nav-links a.active {
  color: #ffffff !important;
  background: rgba(255, 255, 255, 0.15);
}

.sc-nav-links a.active::after {
  width: 30px;
}

/* 为导航栏留出空间 */
.section:first-of-type {
  padding-top: 100px;
}

/* 移动端导航 */
@media (max-width: 768px) {
  .sc-nav-container {
    padding: 12px 20px;
  }

  .sc-nav-logo {
    font-size: 18px;
  }

  .sc-nav-links {
    display: none;
  }

  .section:first-of-type {
    padding-top: 80px;
  }
}

/* Hero Banner */
.sc-hero {
  min-height: 100vh;
  background: linear-gradient(135deg, #0a1628 0%, #1a3a5c 50%, #2c5f7c 100%);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.sc-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
}

.sc-hero-bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.5;
}

.hero-particle {
  position: absolute;
  width: 6px;
  height: 6px;
  background: rgba(74, 144, 164, 0.6);
  border-radius: 50%;
  animation: hero-particle-float 20s infinite;
}

.hero-particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; }
.hero-particle:nth-child(2) { left: 30%; top: 60%; animation-delay: -4s; }
.hero-particle:nth-child(3) { left: 50%; top: 30%; animation-delay: -8s; }
.hero-particle:nth-child(4) { left: 70%; top: 70%; animation-delay: -12s; }
.hero-particle:nth-child(5) { left: 90%; top: 40%; animation-delay: -16s; }

@keyframes hero-particle-float {
  0%, 100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.3;
  }
  25% {
    transform: translate(50px, -80px) scale(1.5);
    opacity: 0.6;
  }
  50% {
    transform: translate(100px, 20px) scale(0.8);
    opacity: 0.4;
  }
  75% {
    transform: translate(30px, 60px) scale(1.2);
    opacity: 0.5;
  }
}

.sc-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 40px;
}

.sc-hero-title {
  margin-bottom: 20px;
}

.hero-brand {
  display: block;
  font-size: 72px;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 15px;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  animation: hero-title-glow 3s ease-in-out infinite;
}

@keyframes hero-title-glow {
  0%, 100% { text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3); }
  50% { text-shadow: 0 4px 50px rgba(74, 144, 164, 0.5), 0 0 80px rgba(74, 144, 164, 0.3); }
}

.hero-slogan {
  display: block;
  font-size: 28px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 8px;
  margin-top: 15px;
}

.sc-hero-desc {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 50px;
  letter-spacing: 2px;
}

.sc-hero-stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  margin-bottom: 50px;
}

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

.stat-num {
  display: block;
  font-size: 48px;
  font-weight: 700;
  color: #4a90a4;
  text-shadow: 0 0 30px rgba(74, 144, 164, 0.5);
  line-height: 1;
}

.stat-label {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 8px;
  letter-spacing: 1px;
}

.sc-hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 40px;
  background: linear-gradient(135deg, rgba(74, 144, 164, 0.3) 0%, rgba(44, 95, 124, 0.3) 100%);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50px;
  color: #ffffff;
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  transition: all 0.4s ease;
  backdrop-filter: blur(10px);
}

.sc-hero-btn:hover {
  background: linear-gradient(135deg, rgba(74, 144, 164, 0.5) 0%, rgba(44, 95, 124, 0.5) 100%);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-3px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.sc-hero-btn svg {
  transition: transform 0.3s ease;
}

.sc-hero-btn:hover svg {
  transform: translateY(3px);
}

/* Hero响应式 */
@media (max-width: 768px) {
  .hero-brand {
    font-size: 42px;
    letter-spacing: 8px;
  }

  .hero-slogan {
    font-size: 20px;
    letter-spacing: 4px;
  }

  .sc-hero-desc {
    font-size: 14px;
  }

  .sc-hero-stats {
    gap: 30px;
  }

  .stat-num {
    font-size: 32px;
  }

  .stat-label {
    font-size: 12px;
  }

  .sc-hero-btn {
    padding: 14px 30px;
    font-size: 14px;
  }
}

/* 供应链出海页面 - 内容板块样式 */
.content-block {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(74, 144, 164, 0.15);
}

.content-block:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.block-title {
  font-size: 24px;
  font-weight: 700;
  color: #1a3a5c;
  text-align: center;
  margin-bottom: 20px;
  position: relative;
  display: inline-block;
  width: 100%;
}

.block-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, #4a90a4, #2c5f7c);
  border-radius: 2px;
}

.block-intro {
  font-size: 16px;
  color: #555555;
  text-align: center;
  max-width: 800px;
  margin: 25px auto 30px;
  line-height: 1.8;
}

/* 核心服务列表 */
.service-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.service-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 25px 30px;
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  border-radius: 12px;
  border: 1px solid rgba(74, 144, 164, 0.1);
  transition: all 0.3s ease;
}

.service-item:hover {
  transform: translateX(5px);
  box-shadow: 0 5px 20px rgba(74, 144, 164, 0.1);
  border-color: rgba(74, 144, 164, 0.3);
}

.service-icon {
  font-size: 32px;
  flex-shrink: 0;
}

.service-content {
  flex: 1;
}

.service-name {
  font-size: 18px;
  font-weight: 600;
  color: #1a3a5c;
  margin-bottom: 8px;
}

.service-desc {
  font-size: 14px;
  color: #666666;
  line-height: 1.6;
}

/* 核心优势网格 */
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 25px;
  max-width: 900px;
  margin: 0 auto;
}

.advantage-card {
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  border-radius: 16px;
  padding: 30px;
  text-align: center;
  border: 1px solid rgba(74, 144, 164, 0.1);
  transition: all 0.3s ease;
}

.advantage-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(74, 144, 164, 0.15);
  border-color: rgba(74, 144, 164, 0.3);
}

.advantage-card-full {
  grid-column: 1 / -1;
}

.advantage-icon {
  font-size: 40px;
  margin-bottom: 15px;
}

.advantage-name {
  font-size: 18px;
  font-weight: 600;
  color: #1a3a5c;
  margin-bottom: 10px;
}

.advantage-desc {
  font-size: 14px;
  color: #666666;
  line-height: 1.7;
}

/* 服务流程步骤 */
.process-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
  max-width: 1100px;
  margin: 0 auto;
}

.process-step {
  flex: 1;
  min-width: 200px;
  max-width: 240px;
  text-align: center;
  padding: 25px 20px;
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  border-radius: 16px;
  border: 1px solid rgba(74, 144, 164, 0.1);
  transition: all 0.3s ease;
}

.process-step:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(74, 144, 164, 0.15);
}

.step-number {
  display: inline-block;
  width: 45px;
  height: 45px;
  line-height: 45px;
  background: linear-gradient(135deg, #4a90a4 0%, #2c5f7c 100%);
  color: #ffffff;
  font-size: 18px;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: 15px;
}

.step-title {
  font-size: 18px;
  font-weight: 600;
  color: #1a3a5c;
  margin-bottom: 10px;
}

.step-desc {
  font-size: 13px;
  color: #666666;
  line-height: 1.7;
}

.process-arrow {
  font-size: 28px;
  color: #4a90a4;
  align-self: center;
  flex-shrink: 0;
}

/* 价值成果网格 */
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
  max-width: 1100px;
  margin: 0 auto;
}

.value-item {
  text-align: center;
  padding: 30px 20px;
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  border-radius: 16px;
  border: 1px solid rgba(74, 144, 164, 0.1);
  transition: all 0.3s ease;
}

.value-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(74, 144, 164, 0.15);
  border-color: rgba(74, 144, 164, 0.3);
}

.value-icon {
  font-size: 40px;
  margin-bottom: 15px;
}

.value-name {
  font-size: 18px;
  font-weight: 600;
  color: #1a3a5c;
  margin-bottom: 10px;
}

.value-desc {
  font-size: 13px;
  color: #666666;
  line-height: 1.7;
}

/* 响应式 */
@media (max-width: 1024px) {
  .value-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .advantage-grid {
    grid-template-columns: 1fr;
  }

  .process-steps {
    flex-direction: column;
    align-items: center;
  }

  .process-step {
    max-width: 100%;
  }

  .process-arrow {
    transform: rotate(90deg);
  }

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

  .service-item {
    flex-direction: column;
    text-align: center;
  }

  .block-title {
    font-size: 20px;
  }
}

/* 合作方式页面 - 增强卡片样式 */
.cooperation-grid-enhanced {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-top: 50px;
}

.coop-card-enhanced {
  background: #ffffff;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(238, 242, 247, 0.8);
}

.coop-card-enhanced:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(74, 144, 164, 0.15);
  border-color: rgba(74, 144, 164, 0.3);
}

.coop-header {
  background: linear-gradient(135deg, #f8fafc 0%, #e8f4f8 100%);
  padding: 30px;
  text-align: center;
  border-bottom: 1px solid rgba(74, 144, 164, 0.1);
}

.coop-header .coop-icon {
  font-size: 48px;
  margin-bottom: 15px;
  display: block;
}

.coop-header .coop-title {
  font-size: 20px;
  font-weight: 700;
  color: #1a3a5c;
  margin: 0;
}

.coop-content {
  padding: 30px;
}

.coop-item {
  margin-bottom: 20px;
}

.coop-item:last-child {
  margin-bottom: 0;
}

.coop-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: #4a90a4;
  background: rgba(74, 144, 164, 0.1);
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.coop-text {
  font-size: 14px;
  color: #555555;
  line-height: 1.8;
  margin: 0;
}

@media (max-width: 1024px) {
  .cooperation-grid-enhanced {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .coop-header {
    padding: 25px 20px;
  }

  .coop-content {
    padding: 25px 20px;
  }

  .coop-header .coop-title {
    font-size: 18px;
  }
}