/* ===== About 独有样式 ===== */
.content-section {
  padding: 90px 0;
}

.content-section .container {
  max-width: 1080px;
  position: relative;
  z-index: 2;
}

.section-number-header {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 32px;
}

.section-num-bar {
  width: 5px;
  height: 38px;
  background: linear-gradient(180deg, var(--primary), var(--cyan));
  border-radius: 3px;
  flex-shrink: 0;
}

.section-num-label {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 1px;
  line-height: 1;
  margin-bottom: 4px;
}

.section-dark .section-num-label {
  color: var(--cyan);
}

.section-num-title {
  font-size: 28px;
  font-weight: 900;
  color: var(--text-dark);
  line-height: 1.3;
  letter-spacing: 1px;
}

.section-dark .section-num-title {
  color: #fff;
}

.content-text {
  font-size: 16px;
  line-height: 2;
  color: #1a1a1a;
  margin-bottom: 0;
}

.content-text+.content-text {
  margin-top: 20px;
}

.content-text strong {
  color: inherit;
  font-weight: 700;
}

.section-dark .content-text {
  color: rgba(255, 255, 255, 0.88);
}

.section-dark .content-text strong {
  color: inherit;
  font-weight: 700;
}

.tech-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 28px 0;
}

.tech-item {
  display: flex;
  align-items: center;
  gap: 20px;
  background: linear-gradient(135deg,
      rgba(0, 102, 255, 0.04),
      rgba(0, 198, 255, 0.04));
  border: 1px solid rgba(0, 102, 255, 0.1);
  border-radius: var(--radius);
  padding: 22px 28px;
  transition: all 0.3s;
}

.tech-item:hover {
  border-color: rgba(0, 102, 255, 0.25);
  background: linear-gradient(135deg,
      rgba(0, 102, 255, 0.07),
      rgba(0, 198, 255, 0.07));
  transform: translateX(4px);
}

.tech-item-badge {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg,
      var(--primary),
      var(--primary-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 17px;
  font-weight: 800;
  flex-shrink: 0;
}

.tech-item:nth-child(2) .tech-item-badge {
  background: linear-gradient(135deg, #0077e6, #0099e6);
}

.tech-item:nth-child(3) .tech-item-badge {
  background: linear-gradient(135deg, #0088cc, var(--cyan));
}

.tech-item-name {
  font-size: 18px;
  font-weight: 700;
  color: #1a1a1a;
  letter-spacing: 0.5px;
}

.philosophy-quote {
  text-align: center;
  padding: 28px 40px;
  margin: 28px 0;
  border: 2px dashed rgba(0, 198, 255, 0.35);
  border-radius: var(--radius-lg);
  background: rgba(0, 198, 255, 0.04);
}

.philosophy-quote p {
  font-size: 19px;
  font-weight: 700;
  color: #1a1a1a;
  letter-spacing: 2px;
  margin: 0;
}

.section-dark .philosophy-quote {
  border-color: rgba(0, 198, 255, 0.3);
  background: rgba(0, 198, 255, 0.06);
}

.section-dark .philosophy-quote p {
  color: #ffffff;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 28px 0;
}

.capability-card {
  background: linear-gradient(135deg,
      var(--primary) 0%,
      #0088cc 50%,
      var(--cyan) 100%);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 1px;
  transition:
    transform 0.3s,
    box-shadow 0.3s;
  box-shadow: 0 6px 20px rgba(0, 102, 255, 0.25);
}

.capability-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 102, 255, 0.35);
}

.hero-bg-image {
  background-image: url("../assets/hero-about-v5.png");
  background-position: center bottom;
  opacity: 0.75;
}

@media (max-width: 1024px) {
  .capability-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .content-section {
    padding: 60px 0;
  }

  .section-num-title {
    font-size: 22px;
  }

  .section-number-header {
    gap: 14px;
    margin-bottom: 24px;
  }

  .section-num-bar {
    height: 32px;
  }

  .content-text {
    font-size: 15px;
    line-height: 1.9;
  }

  .tech-item {
    padding: 18px 20px;
    gap: 14px;
  }

  .tech-item-badge {
    width: 36px;
    height: 36px;
    font-size: 15px;
  }

  .tech-item-name {
    font-size: 16px;
  }

  .philosophy-quote {
    padding: 22px 24px;
  }

  .philosophy-quote p {
    font-size: 16px;
    letter-spacing: 1px;
  }

  .capability-card {
    padding: 20px 16px;
    font-size: 15px;
  }
}