/* 關於模型頁 */
.about-hero { padding-bottom: clamp(20px, 4vw, 36px); }

.about-grid {
  display: grid; gap: clamp(14px, 2vw, 20px);
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  max-width: 880px; margin: 0 auto; padding: 0 clamp(20px, 5vw, 64px) 30px;
}
.about-card {
  border: 1px solid var(--line); border-radius: 14px;
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  padding: clamp(20px, 2.6vw, 28px);
}
.about-card h2 {
  font-family: var(--display); font-weight: 700; font-size: 18px;
  margin-bottom: 12px; letter-spacing: -0.01em;
}
.about-card p {
  font-size: 14.5px; line-height: 1.75; color: var(--muted);
}
.about-card strong { color: var(--text); font-weight: 700; }