/* 重构服务优势区域 - 更专业和现代的布局 */

.why-us {
  padding: 100px 0;
  position: relative;
  background-color: #ffffff;
}

.why-us-container {
  position: relative;
  z-index: 2;
}

.why-us::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23f0f4f8' fill-opacity='0.8' fill-rule='evenodd'/%3E%3C/svg%3E");
  background-size: 80px 80px;
  opacity: 0.4;
  z-index: 1;
}

.why-us-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.why-us-card {
  background-color: white;
  border-radius: 20px;
  padding: 40px 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  position: relative;
  overflow: hidden;
  z-index: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.why-us-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: var(--secondary-color);
  opacity: 0;
  transition: all 0.4s ease;
}

.why-us-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.why-us-card:hover::before {
  opacity: 1;
}

.why-us-icon-container {
  margin-bottom: 25px;
  position: relative;
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
  box-shadow: 0 10px 20px rgba(26, 140, 216, 0.2);
}

.why-us-icon {
  font-size: 2rem;
  color: white;
  z-index: 2;
}

.why-us-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--primary-color);
  font-weight: 700;
  transition: all 0.3s ease;
}

.why-us-card p {
  color: #566573;
  line-height: 1.7;
  font-size: 1rem;
  flex-grow: 1;
}

/* 增加特殊效果 */
.why-us-icon-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  border-radius: inherit;
  animation: pulse 2s infinite;
  z-index: 1;
}

.why-us-icon-container::after {
  content: "";
  position: absolute;
  top: -5px;
  left: -5px;
  width: calc(100% + 10px);
  height: calc(100% + 10px);
  border-radius: inherit;
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
  opacity: 0.3;
  z-index: 0;
  filter: blur(10px);
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 0.7;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.5;
  }
  100% {
    transform: scale(1);
    opacity: 0.7;
  }
}

/* 响应式调整 */
@media (max-width: 1200px) {
  .why-us-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 992px) {
  .why-us {
    padding: 80px 0 60px;
  }
  
  .why-us-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .why-us {
    padding: 60px 0 40px;
  }
  
  .why-us-grid {
    grid-template-columns: 1fr;
  }
  
  .why-us-card {
    padding: 30px 25px;
  }
  
  .why-us-icon-container {
    width: 60px;
    height: 60px;
  }
  
  .why-us-icon {
    font-size: 1.8rem;
  }
  
  .why-us-card h3 {
    font-size: 1.3rem;
  }
}

@media (max-width: 576px) {
  .why-us {
    padding: 50px 0 30px;
  }
  
  .why-us-card {
    padding: 25px 20px;
  }
}