/* ============================================
   关于页专属：简介 / 里程碑 / 荣誉
============================================ */

.about-intro { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 64px; align-items: center; }
.about-copy .section-title { text-align: left; }
.about-copy p { margin-top: 18px; color: var(--text-secondary); font-size: 15.5px; }
.about-tags { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.about-tags span {
  padding: 8px 20px; border-radius: 999px; font-size: 13.5px;
  background: rgba(99, 102, 241, 0.1); border: 1px solid rgba(139, 92, 246, 0.3);
  color: #C4B5FD;
}
.about-visual { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border-light); box-shadow: var(--shadow-card); }

/* 里程碑 */
.mile-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.mile-card {
  background: var(--bg-card); border: 1px solid var(--border-light);
  border-radius: var(--radius-md); padding: 30px 26px; position: relative;
  transition: transform .35s, border-color .35s;
}
.mile-card:hover { transform: translateY(-6px); border-color: rgba(139, 92, 246, 0.45); }
.mile-year {
  display: inline-block; font-size: 26px; font-weight: 700; margin-bottom: 12px;
  background: var(--gradient-text); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.mile-card h3 { font-size: 17px; margin-bottom: 8px; }
.mile-card p { font-size: 14px; color: var(--text-secondary); }

/* 荣誉 */
.honor-card { text-align: center; }
.honor-ico { font-size: 44px; margin-bottom: 16px; }
.honor-card p { font-size: 13.5px; color: var(--text-muted); margin-top: 8px; }

@media (max-width: 1200px) {
  .mile-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 992px) {
  .about-intro { grid-template-columns: 1fr; gap: 40px; }
  .about-visual { max-width: 560px; }
}
@media (max-width: 768px) {
  .mile-grid { grid-template-columns: 1fr; }
}