/* ── 关于页面 ── */
.about-wrap {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 1rem 4rem;
}
.about-wrap h2 {
  margin-top: 2.5rem;
}
.about-logo {
  text-align: center;
  margin-bottom: 2rem;
}
.about-logo img {
  width: 120px;
  height: 120px;
  border-radius: 20px;
  object-fit: cover;
  box-shadow: 0 6px 20px rgba(37,99,235,0.15);
  display: block;
  margin: 0 auto;
}
.about-title {
  font-size: 2rem;
  margin-bottom: .5rem;
  text-align: center;
}
.about-wrap h2 {
  margin-top: 2.5rem;
  margin-bottom: .75rem;
}
.about-desc {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text-secondary, #64748b);
  margin-bottom: 2.5rem;
}
.about-wrap h2 {
  margin-top: 2.5rem;
  margin-bottom: .75rem;
}

/* 创始人卡片 */
.founder-card {
  background: linear-gradient(135deg,#eef2ff,#e0e7ff);
  border: 1px solid #c7d2fe;
  border-radius: 14px;
  padding: 18px 22px;
  margin: 0 0 20px;
  max-width: 700px;
}
.founder-card p {
  margin: 0;
  font-size: 14px;
}
.founder-icon {
  font-size: 18px;
}
.founder-name {
  color: #4338ca;
  font-size: 16px;
}

/* 团队网格 */
.team-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 0 0 24px;
  max-width: 700px;
}
.team-card {
  border-radius: 14px;
  padding: 20px 22px;
}
.team-card h3 {
  font-size: 15px;
  margin: 0 0 2px;
}
.team-card .tech-stack {
  font-size: 12px;
  color: #64748b;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom-width: 1px;
  border-bottom-style: solid;
}
.team-card .members {
  font-size: 13px;
  margin: 0;
}
.team-card .members strong + strong::before {
  content: " · ";
}

/* 各卡片主题色 */
.team-frontend {
  background: linear-gradient(135deg,#f0f4ff,#e8f0fe);
  border: 1px solid #d0d8f0;
}
.team-frontend h3 { color: #2563eb; }
.team-frontend .tech-stack { border-bottom-color: #d0d8f0; }

.team-backend {
  background: linear-gradient(135deg,#f0fdf4,#e6f7ec);
  border: 1px solid #c8e6d0;
}
.team-backend h3 { color: #16a34a; }
.team-backend .tech-stack { border-bottom-color: #c8e6d0; }

.team-systems {
  background: linear-gradient(135deg,#fefce8,#faf5d8);
  border: 1px solid #e8ddb0;
}
.team-systems h3 { color: #ca8a04; }
.team-systems .tech-stack { border-bottom-color: #e8ddb0; }

.team-framework {
  background: linear-gradient(135deg,#fdf2f8,#fce4f0);
  border: 1px solid #e8c8d8;
}
.team-framework h3 { color: #db2777; }
.team-framework .tech-stack { border-bottom-color: #e8c8d8; }