/* ===== 关于页面 ===== */

/* 顶部导航（仅首页） */
.about-nav {
  padding: 2rem 2.5rem 0;
}

.about-nav-home {
  display: inline-block;
  font-size: 1.625rem;
  font-weight: 700;
  color: #ffffff;
  transition: color 0.2s;
}
.about-nav-home:hover {
  color: #e2e8f0;
}

/* 头像 */
.about-avatar-wrapper {
  display: flex;
  justify-content: center;
  margin-top: 80px;
}

.about-avatar {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.3);
}

.about-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 简介框（含暗角+1.5倍高度） */
.about-intro-wrapper {
  display: flex;
  justify-content: center;
  margin-top: 150px;
  padding-bottom: 100px;
}

.about-intro-box {
  width: 60%;
  border-radius: 12px;
  padding: 4rem 3.5rem;
  background: #f5f0e1;
  box-shadow:
    inset 0 0 60px rgba(0, 0, 0, 0.4),
    0 6px 30px rgba(0, 0, 0, 0.18);
  color: #3d3d3d;
  line-height: 1.9;
  font-size: 1.15rem;
  position: relative;
}

.about-intro-box p {
  margin: 0;
}

/* ===== 关于页面响应式 ===== */
@media (max-width: 768px) {
  .about-nav { padding: 1.2rem 1.5rem 0; }
  .about-nav-home { font-size: 1.25rem; }
  .about-avatar { width: 160px; height: 160px; }
  .about-intro-box { width: 80%; padding: 3rem 2rem; }
}

@media (max-width: 480px) {
  .about-nav { padding: 1rem 1rem 0; }
  .about-nav-home { font-size: 1.1rem; }
  .about-avatar { width: 130px; height: 130px; }
  .about-avatar-wrapper { margin-top: 50px; }
  .about-intro-wrapper { margin-top: 100px; padding-bottom: 60px; }
  .about-intro-box { width: 90%; padding: 2.5rem 1.5rem; }
}