/* ========== WHY CHOOSE US 板块样式 ========== */
.why-choose-us-section {
  width: 100%;
  background: #f8f8f8;
  padding: 0;
  margin: 0;
}

.why-banner {
  width: 100%;
  height: 400px;
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  background-color: #2c3e50;
}

.why-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1;
}

.why-banner .section-title {
  position: relative;
  z-index: 2;
  color: #fff;
  font-size: 48px;
  font-weight: bold;
  margin: 0 0 20px 0;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.why-banner .down-arrow {
  position: relative;
  z-index: 2;
  color: #fff;
  font-size: 36px;
  animation: bounce 2s infinite;
}

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

.why-content-wrapper {
  max-width: 1400px;
  margin: 0 auto;
  padding: 80px 40px;
  display: flex;
  flex-direction: column;
  gap: 60px;
}

/* Since 2004 奖杯区域 */
.trophy-section {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  background: #fff;
  padding: 50px;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.trophy-img {
  width: 200px;
  height: 200px;
  object-fit: contain;
  animation: rotateY 3s infinite;
}

@keyframes rotateY {
  0%, 100% {
    transform: rotateY(0deg);
  }
  50% {
    transform: rotateY(20deg);
  }
}

.since-badge {
  text-align: center;
  padding: 20px 40px;
  background: linear-gradient(135deg, #e74c3c, #c0392b);
  color: #fff;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(231, 76, 60, 0.3);
}

.since-year {
  font-size: 48px;
  font-weight: bold;
  line-height: 1;
  margin-bottom: 5px;
}

.since-text {
  font-size: 20px;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.years-text {
  font-size: 24px;
  font-weight: bold;
}

.advantage-box {
  text-align: center;
  max-width: 400px;
}

.advantage-box h3 {
  font-size: 32px;
  color: #e74c3c;
  margin: 0 0 15px 0;
  font-weight: bold;
}

.advantage-box p {
  font-size: 16px;
  color: #666;
  line-height: 1.8;
  margin: 8px 0;
}

/* 6个优势图标网格 */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 20px;
}

.advantage-item {
  background: #fff;
  padding: 40px 30px;
  border-radius: 10px;
  text-align: center;
  transition: all 0.3s;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
}

.advantage-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.advantage-item img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin-bottom: 20px;
  transition: transform 0.3s;
}

.advantage-item:hover img {
  transform: scale(1.1) rotate(5deg);
}

.advantage-item h4 {
  font-size: 20px;
  font-weight: bold;
  color: #333;
  margin: 0 0 15px 0;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.advantage-item p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
  margin: 0;
}

/* 响应式优化 */
@media screen and (max-width: 1200px) {
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
  
  .trophy-section {
    flex-wrap: wrap;
    gap: 30px;
  }
}

@media screen and (max-width: 768px) {
  .why-banner {
    height: 300px;
  }
  
  .why-banner .section-title {
    font-size: 32px;
  }
  
  .why-content-wrapper {
    padding: 50px 20px;
    gap: 40px;
  }
  
  .trophy-section {
    padding: 30px;
    flex-direction: column;
  }
  
  .trophy-img {
    width: 150px;
    height: 150px;
  }
  
  .advantages-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .advantage-item {
    padding: 30px 20px;
  }
}

@media screen and (max-width: 480px) {
  .why-banner .section-title {
    font-size: 24px;
  }
  
  .since-year {
    font-size: 36px;
  }
  
  .advantage-box h3 {
    font-size: 24px;
  }
  
  .advantage-item h4 {
    font-size: 18px;
  }
}