/* ========== International Trade Page ========== */
.m-trade {
  background-color: #F7F8FA;
}
.m-trade .section {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.m-trade .section-header {
  text-align: center;
  margin-bottom: 64px;
  position: relative;
  z-index: 1;
}
.m-trade .section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 4px;
  color: #1A4F8E;
  text-transform: uppercase;
  margin-bottom: 12px;
  background: rgba(26, 79, 142, 0.06);
  padding: 5px 16px;
  border-radius: 50px;
  border: 1px solid rgba(26, 79, 142, 0.12);
}
.m-trade .section-title {
  font-size: 36px;
  font-weight: 700;
  color: #1D2129;
  line-height: 1.3;
  margin-bottom: 14px;
}
.m-trade .highlight {
  color: #2585A8;
}
.m-trade .section-desc {
  color: #4E5969;
  font-size: 16px;
  max-width: 650px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* 超大序号 */
.m-trade .section-num {
  position: absolute;
  top: -40px;
  left: 50%;
  -webkit-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  transform: translateX(-50%);
  font-size: 280px;
  font-weight: 900;
  color: rgba(26, 79, 142, 0.03);
  line-height: 1;
  pointer-events: none;
  z-index: 0;
  white-space: nowrap;
}

/* Hero */
.m-trade .hero-section {
  position: relative;
  padding: 200px 0 120px;
  display: -webkit-flex;
  display: flex;
  align-items: center;
  overflow: hidden;
  min-height: 600px;
}
.m-trade .hero-bg-image {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('../img/bg-assets.jpg') center/cover no-repeat;
  z-index: 0;
}
.m-trade .hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(26, 79, 142, 0.1) 0%, rgba(0, 0, 0, 0.01) 100%);
  z-index: 1;
}
.m-trade .hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #FFFFFF;
}
.m-trade .hero-title {
  font-size: 48px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 16px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}
.m-trade .hero-subtitle {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 48px;
}
.m-trade .hero-stats {
  display: -webkit-flex;
  display: flex;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
}
.m-trade .hero-stat-item {
  text-align: center;
}
.m-trade .hero-stat-num {
  font-size: 42px;
  font-weight: 800;
  color: #FFFFFF;
  display: block;
  line-height: 1;
}
.m-trade .hero-stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 8px;
}

/* About */
.m-trade .about-section {
  background: #FFFFFF;
}
.m-trade .about-grid {
  display: -ms-grid;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.m-trade .about-desc {
  font-size: 16px;
  color: #4E5969;
  line-height: 1.8;
  margin-bottom: 24px;
}
.m-trade .about-visual .visual-box {
  height: 380px;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}
.m-trade .about-visual .visual-box img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
}

/* Content Split */
.m-trade .electronics-section {
  background: #F6F7FB;
}
.m-trade .materials-section {
  background: #FFFFFF;
}
.m-trade .content-split {
  display: -ms-grid;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.m-trade .content-split.reverse {
  direction: rtl;
}
.m-trade .content-split.reverse > * {
  direction: ltr;
}
.m-trade .content-text p {
  font-size: 16px;
  color: #4E5969;
  line-height: 1.8;
  margin-bottom: 24px;
}
.m-trade .feature-list {
  list-style: none;
  padding: 0;
  margin-bottom: 32px;
  display: -webkit-flex;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.m-trade .feature-list li {
  background: rgba(26, 79, 142, 0.06);
  border: 1px solid rgba(26, 79, 142, 0.1);
  color: #1A4F8E;
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
}
.m-trade .market-block {
  margin-bottom: 24px;
}
.m-trade .market-block h4 {
  font-size: 17px;
  font-weight: 600;
  color: #1D2129;
  margin-bottom: 12px;
}
.m-trade .tag-group {
  display: -webkit-flex;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}
.m-trade .tag-item {
  background: #F0F1F3;
  color: #1D2129;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 500;
}
.m-trade .country-tags {
  display: -webkit-flex;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.m-trade .country-tag {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  color: #1D2129;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}
.m-trade .content-visual img {
  width: 100%;
  border-radius: 24px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

/* Factories */
.m-trade .factories-section {
  background: #F6F7FB;
}
.m-trade .factories-grid {
  display: -ms-grid;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 60px;
  position: relative;
  z-index: 1;
}
.m-trade .factory-card {
  background: #FFFFFF;
  border: 1px solid #EFF1F3;
  border-radius: 20px;
  padding: 28px 24px;
  -webkit-transition: all 0.3s ease;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
}
.m-trade .factory-card:hover {
  -webkit-transform: translateY(-6px);
  -ms-transform: translateY(-6px);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
  border-color: #1A4F8E;
}
.m-trade .factory-card h4 {
  font-size: 18px;
  font-weight: 700;
  color: #1D2129;
  margin-bottom: 6px;
}
.m-trade .factory-location {
  font-size: 13px;
  color: #2585A8;
  font-weight: 600;
  margin-bottom: 12px;
}
.m-trade .factory-desc {
  font-size: 14px;
  color: #4E5969;
  line-height: 1.5;
  margin-bottom: 16px;
}
.m-trade .factory-certs {
  display: -webkit-flex;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.m-trade .cert-badge {
  background: rgba(26, 79, 142, 0.06);
  color: #1A4F8E;
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid rgba(26, 79, 142, 0.1);
}

/* Certs Section */
.m-trade .certs-section {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  z-index: 1;
}
.m-trade .certs-bg-image {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(26, 79, 142, 0.88) 0%, rgba(37, 133, 168, 0.75) 100%);
  z-index: 0;
}
.m-trade .certs-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0h60v60H0z' fill='none'/%3E%3Cpath d='M30 5v50M5 30h50' stroke='rgba(255,255,255,0.04)' stroke-width='1'/%3E%3C/svg%3E") repeat;
  z-index: 1;
}
.m-trade .certs-content {
  position: relative;
  z-index: 2;
  padding: 48px 40px;
}
.m-trade .cert-grid {
  display: -ms-grid;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.m-trade .cert-card {
  text-align: center;
  padding: 24px 16px;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}
.m-trade .cert-card:hover {
  background: rgba(255, 255, 255, 0.15);
}
.m-trade .cert-card h5 {
  font-size: 15px;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 4px;
}
.m-trade .cert-card p {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.75);
  margin: 0;
}

/* Responsive */
@media (max-width: 991px) {
  .m-trade .section { padding: 60px 0; }
  .m-trade .hero-section { padding: 140px 0 80px; min-height: auto; }
  .m-trade .hero-stats { gap: 30px; }
  .m-trade .hero-stat-num { font-size: 32px; }
  .m-trade .hero-title { font-size: 32px; }
  .m-trade .section-title { font-size: 28px; }
  .m-trade .about-grid,
  .m-trade .content-split { grid-template-columns: 1fr; gap: 40px; }
  .m-trade .factories-grid { grid-template-columns: repeat(2, 1fr); }
  .m-trade .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .m-trade .certs-content { padding: 32px 20px; }
  .m-trade .section-num { font-size: 150px; top: -20px; }
}
@media (max-width: 480px) {
  .m-trade .factories-grid { grid-template-columns: 1fr; }
  .m-trade .cert-grid { grid-template-columns: 1fr; }
  .m-trade .hero-stats { flex-direction: column; gap: 20px; }
}