/* ============================================
   菁信官网 - 关于我们样式
   ============================================ */

/* ---------- 页面横幅 ---------- */
.page-banner {
  margin-top: 76px;
  padding: 90px 0;
  background:
    radial-gradient(circle at 80% 30%, rgba(34, 193, 220, 0.28), transparent 45%),
    radial-gradient(circle at 15% 80%, rgba(20, 102, 240, 0.35), transparent 50%),
    var(--c-navy);
  color: var(--c-white);
  text-align: center;
}

.page-banner h1 {
  font-size: var(--fs-h1);
  font-weight: 800;
}

.page-banner p {
  margin-top: 12px;
  font-size: var(--fs-md);
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
}

/* ---------- 公司介绍 ---------- */
.about-intro {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-intro__text h2 {
  font-size: var(--fs-h2);
  color: var(--c-navy);
  margin: 8px 0 24px;
}

.about-intro__text p {
  color: var(--c-text-2);
  line-height: 2;
  margin-bottom: 16px;
  text-align: justify;
}

.about-intro__img img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* ---------- 企业文化 ---------- */
.culture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.culture-card {
  padding: 36px 28px;
  text-align: center;
  background: linear-gradient(160deg, var(--c-white), #f2f7ff);
}

.culture-card__label {
  display: inline-block;
  padding: 4px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-cyan));
  color: var(--c-white);
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-bottom: 18px;
}

.culture-card h3 {
  font-size: var(--fs-lg);
  line-height: 1.8;
  color: var(--c-navy);
}

/* ---------- 联系我们 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.contact-item {
  padding: 36px 28px;
  text-align: center;
}

.contact-item__icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--c-primary), var(--c-cyan));
  color: var(--c-white);
}

.contact-item__icon svg {
  width: 26px;
  height: 26px;
}

.contact-item h3 {
  font-size: var(--fs-lg);
  color: var(--c-navy);
  margin-bottom: 10px;
}

.contact-item p {
  font-size: var(--fs-sm);
  color: var(--c-text-2);
  line-height: 1.9;
}

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
  .page-banner {
    margin-top: 64px;
    padding: 64px 0;
  }

  .about-intro {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .culture-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .page-banner {
    margin-top: 64px;
    padding: 48px 0;
  }

  .culture-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
}