/* 解决方案 */
.solutions {
  padding: 80px 0;
  background-color: var(--white);
}

.solutions h2 {
  text-align: center;
  margin-bottom: 20px;
  color: var(--primary-color);
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
}

.solutions h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--secondary-color);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1100px;
  margin: 0 auto;
}

.solution-item {
  background-color: var(--white);
  border-radius: 12px;
  padding: 40px 30px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border-top: 4px solid var(--primary-color);
  text-align: center;
}

.solution-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.solution-icon {
  margin-bottom: 25px;
  color: var(--primary-color);
  display: flex;
  justify-content: center;
}

.solution-icon svg {
  width: 64px;
  height: 64px;
}

.solution-item h3 {
  margin-bottom: 15px;
  color: var(--primary-color);
  font-size: 20px;
}

.solution-item p {
  color: var(--dark-gray);
  line-height: 1.6;
}