/*=============== PHILOSOPHY SECTION - 公司理念展示 ===============*/

.philosophy {
  background: linear-gradient(180deg, 
    var(--body-color) 0%, 
    var(--container-color) 100%);
  padding: 4.5rem 0 1.5rem;
}

/* 减少section之间的间距 */
.section--compact-top {
  padding-top: 1.5rem;
}

.philosophy__container {
  max-width: 1000px;
  margin: 0 auto;
}

.philosophy__content {
  text-align: center;
}

.philosophy__description {
  font-size: var(--normal-font-size);
  color: var(--text-color);
  line-height: 1.8;
  max-width: 800px;
  margin: 0 auto 3rem;
}

.philosophy__description strong {
  color: var(--first-color);
  font-weight: var(--font-semi-bold);
}

.philosophy__principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.philosophy__principle {
  background: var(--container-color);
  padding: 2rem 1.5rem;
  border-radius: 1rem;
  border: 2px solid var(--border-color);
  transition: all 0.3s ease;
  text-align: center;
}

.philosophy__principle:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 32px hsla(228, 66%, 45%, .15);
  border-color: var(--first-color);
}

.philosophy__principle i {
  font-size: 3rem;
  color: var(--first-color);
  margin-bottom: 1rem;
  display: block;
  transition: transform 0.3s ease;
}

.philosophy__principle:hover i {
  transform: scale(1.1) rotate(5deg);
}

.philosophy__principle h3 {
  font-size: var(--h3-font-size);
  color: var(--title-color);
  margin-bottom: 1rem;
  font-weight: var(--font-semi-bold);
}

.philosophy__principle p {
  font-size: var(--small-font-size);
  color: var(--text-color);
  line-height: 1.6;
}

/*=============== 响应式设计 ===============*/
@media screen and (max-width: 968px) {
  .philosophy__principles {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 500px;
    margin: 3rem auto 0;
  }
  
  .philosophy__principle {
    padding: 1.5rem;
  }
}

@media screen and (max-width: 576px) {
  .philosophy {
    padding: 3.5rem 0;
  }
  
  .philosophy__description {
    font-size: var(--small-font-size);
    margin-bottom: 2rem;
  }
  
  .philosophy__principle i {
    font-size: 2.5rem;
  }
}

/*=============== 暗色主题适配 ===============*/
.dark-theme .philosophy {
  background: linear-gradient(180deg, 
    var(--body-color) 0%, 
    var(--container-color) 100%);
}

.dark-theme .philosophy__principle {
  background: var(--container-color);
  border-color: var(--border-color);
}

.dark-theme .philosophy__principle:hover {
  border-color: var(--first-color);
}

/*=============== 动画效果 ===============*/
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.philosophy__principle {
  animation: fadeInUp 0.6s ease-out;
}

.philosophy__principle:nth-child(1) {
  animation-delay: 0.1s;
}

.philosophy__principle:nth-child(2) {
  animation-delay: 0.2s;
}

.philosophy__principle:nth-child(3) {
  animation-delay: 0.3s;
}