/* 关于我们 — About 页样式（与主站暗/亮主题一致） */

.about-body {
  background: var(--bg-page);
  color: var(--text-primary);
  min-height: 100vh;
}

.about-page {
  position: relative;
  z-index: 1;
  max-width: 1080px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

/* 顶部 */
.about-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
  gap: 16px;
  flex-wrap: wrap;
}

.about-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--w15);
  border-radius: 999px;
  background: var(--w05);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.5px;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.about-back:hover {
  background: var(--w10);
  border-color: var(--w20);
}

.about-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--w15);
  border-radius: 999px;
  background: var(--w05);
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--w70);
}

/* Hero */
.about-hero {
  text-align: center;
  padding: 24px 0 56px;
  border-bottom: 1px solid var(--w10);
  margin-bottom: 56px;
}

.about-hero-eyebrow {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--w05);
  border: 1px solid var(--w10);
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--w70);
  margin-bottom: 16px;
}

.about-hero h1 {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: 2px;
  background: var(--title-gradient);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 14px;
  line-height: 1.2;
}

.about-hero p {
  max-width: 720px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.8;
  color: var(--w70);
}

/* 通用 section */
.about-section {
  margin-bottom: 64px;
}

.about-section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.about-section-head h2 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--text-primary);
}

.about-section-head .about-section-num {
  font-family: "JetBrains Mono", "Inter", monospace;
  font-size: 14px;
  letter-spacing: 2px;
  color: var(--w40);
}

.about-section-desc {
  color: var(--w70);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 20px;
  max-width: 760px;
}

/* 卡片网格通用 */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.about-card {
  padding: 20px;
  border: 1px solid var(--w10);
  border-radius: 16px;
  background: linear-gradient(135deg, var(--w06), var(--w03));
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.about-card:hover {
  transform: translateY(-2px);
  border-color: var(--w20);
  background: linear-gradient(135deg, var(--w08), var(--w04));
}

.about-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.about-card .about-card-role {
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--w55);
  margin-bottom: 10px;
}

.about-card p {
  color: var(--w70);
  font-size: 13px;
  line-height: 1.7;
}

.about-card .about-tags {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.about-card .about-tag {
  padding: 3px 9px;
  font-size: 11px;
  letter-spacing: 0.5px;
  border-radius: 999px;
  border: 1px solid var(--w10);
  background: var(--w03);
  color: var(--w70);
}

/* 培养成果数字条 */
.about-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--w10);
  border-radius: 18px;
  background: linear-gradient(135deg, var(--w06), var(--w03));
  margin-bottom: 24px;
}

.about-stat {
  text-align: center;
  padding: 12px 8px;
  border-radius: 12px;
  background: var(--w03);
}

.about-stat-value {
  display: block;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  margin-bottom: 4px;
}

.about-stat-label {
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--w55);
}

/* 获奖项目列表 */
.about-awards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.about-award-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--w10);
  background: linear-gradient(135deg, var(--w05), var(--w03));
}

.about-award-badge {
  flex-shrink: 0;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.about-award-badge--gold {
  background: rgba(255, 196, 0, 0.16);
  color: #ffce4f;
  border: 1px solid rgba(255, 196, 0, 0.32);
}

.about-award-badge--silver {
  background: rgba(192, 192, 192, 0.14);
  color: #d4d4d8;
  border: 1px solid rgba(192, 192, 192, 0.28);
}

.about-award-badge--bronze {
  background: rgba(205, 127, 50, 0.14);
  color: #d4a574;
  border: 1px solid rgba(205, 127, 50, 0.28);
}

[data-theme="light"] .about-award-badge--gold {
  color: #b45309;
  background: rgba(245, 158, 11, 0.15);
  border-color: rgba(245, 158, 11, 0.35);
}

[data-theme="light"] .about-award-badge--silver {
  color: #52525b;
}

[data-theme="light"] .about-award-badge--bronze {
  color: #92400e;
}

.about-award-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.about-award-body strong {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
}

.about-award-body span {
  font-size: 12px;
  line-height: 1.5;
  color: var(--w55);
}

/* 时间线 */
.about-timeline {
  position: relative;
  padding-left: 28px;
}

.about-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: var(--w10);
  border-radius: 1px;
}

.about-timeline-item {
  position: relative;
  padding: 0 0 24px 0;
}

.about-timeline-item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea, #00d4ff);
  box-shadow: 0 0 0 3px var(--bg-primary, #0a0a0a);
  z-index: 1;
}

.about-timeline-date {
  font-family: "JetBrains Mono", "Inter", monospace;
  font-size: 12px;
  letter-spacing: 1.5px;
  color: var(--w55);
  margin-bottom: 4px;
}

.about-timeline-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.about-timeline-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--w70);
}

/* 媒体 / 报道列表 */
.about-media {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.about-media-item {
  padding: 16px;
  border: 1px solid var(--w10);
  border-radius: 14px;
  background: var(--w03);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.about-media-item .about-media-source {
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--w55);
}

.about-media-item .about-media-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.5;
}

/* 加入我们 / CTA */
.about-cta {
  padding: 32px;
  border: 1px solid var(--w15);
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(0, 212, 255, 0.05));
  text-align: center;
}

.about-cta h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.about-cta p {
  color: var(--w70);
  font-size: 14px;
  line-height: 1.7;
  max-width: 640px;
  margin: 0 auto 20px;
}

.about-cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.about-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 14px;
  letter-spacing: 0.5px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.about-cta-btn.primary {
  background: linear-gradient(135deg, #667eea, #00d4ff);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(0, 119, 212, 0.35);
}

.about-cta-btn.secondary {
  background: var(--w05);
  border: 1px solid var(--w20);
  color: var(--text-primary);
}

.about-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 119, 212, 0.45);
}

/* 标注：占位 / 待补充 */
.about-todo {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 10px;
  letter-spacing: 1px;
  background: rgba(255, 196, 0, 0.18);
  color: #ffce4f;
  border: 1px solid rgba(255, 196, 0, 0.35);
  vertical-align: middle;
}

[data-theme="light"] .about-todo {
  color: #b45309;
  background: rgba(245, 158, 11, 0.15);
  border-color: rgba(245, 158, 11, 0.35);
}

/* 组织与孵化 */
.about-subhead {
  font-size: 16px;
  font-weight: 600;
  margin: 28px 0 10px;
  color: var(--w70);
  letter-spacing: 1px;
}

.about-incubation {
  display: grid;
  gap: 16px;
  margin-top: 8px;
}

.about-incubation-card {
  padding: 20px 22px;
  border-radius: 16px;
  border: 1px solid var(--w12);
  background: linear-gradient(135deg, var(--w06), var(--w03));
}

.about-incubation-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
}

.about-incubation-logo {
  font-size: 28px;
  line-height: 1;
}

.about-incubation-card h4 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.about-incubation-tag {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--w55);
  letter-spacing: 0.5px;
}

.about-incubation-card > p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--w70);
}

.about-incubation-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 600;
  color: #00d4ff;
  text-decoration: none;
}

.about-incubation-link:hover {
  text-decoration: underline;
}

/* 社团组织架构 */
.about-org {
  margin-top: 8px;
  padding: 22px 20px 20px;
  border-radius: 18px;
  border: 1px solid var(--w12);
  background: linear-gradient(135deg, var(--w05), var(--w03));
}

.about-org-root {
  display: flex;
  justify-content: center;
}

.about-org-branches {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.about-org-node {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px;
  border-radius: 14px;
  border: 1px solid var(--w10);
  background: var(--w04);
  text-align: center;
}

.about-org-node--lead {
  min-width: min(100%, 220px);
  border-color: rgba(102, 126, 234, 0.28);
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.14), var(--w04));
}

.about-org-node strong {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.5px;
}

.about-org-node span {
  font-size: 12px;
  line-height: 1.6;
  color: var(--w55);
}

.about-org-connector {
  width: 2px;
  height: 22px;
  margin: 0 auto 12px;
  background: linear-gradient(180deg, rgba(102, 126, 234, 0.45), var(--w15));
  position: relative;
}

.about-org-connector::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: min(72%, 420px);
  height: 2px;
  transform: translateX(-50%);
  background: var(--w15);
}

@media (max-width: 720px) {
  .about-org-branches {
    grid-template-columns: 1fr;
  }

  .about-org-connector::after {
    display: none;
  }
}

/* 指导老师 */
.about-advisor-card {
  padding: 24px 26px;
  border-radius: 18px;
  border: 1px solid var(--w12);
  background: linear-gradient(135deg, var(--w06), var(--w03));
}

.about-advisor-head h3 {
  margin: 0 0 6px;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}

.about-advisor-lead {
  margin: 16px 0 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--w70);
}

.about-advisor-meta {
  display: grid;
  gap: 14px;
  margin: 0;
}

.about-advisor-meta > div {
  display: grid;
  gap: 4px;
}

.about-advisor-meta dt {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--w55);
  text-transform: uppercase;
}

.about-advisor-meta dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--w70);
}

.about-advisor-foot {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--w10);
  font-size: 13px;
  line-height: 1.65;
  color: var(--w55);
}

.about-advisor-foot a {
  color: #00d4ff;
  text-decoration: none;
}

.about-advisor-foot a:hover {
  text-decoration: underline;
}

/* 响应式 */
@media (max-width: 720px) {
  .about-page {
    padding: 40px 16px 60px;
  }

  .about-hero h1 {
    font-size: 32px;
    letter-spacing: 1px;
  }

  .about-hero p {
    font-size: 14px;
  }

  .about-section-head h2 {
    font-size: 22px;
  }

  .about-cta {
    padding: 24px 16px;
  }
}