/* ============================================
   关于我们 / 创始人 / 创始人专栏 页面样式
   风格：现代简洁，沿用全局设计令牌
   ============================================ */

/* ---------- 通用页面 Hero ---------- */
.page-hero {
  background: linear-gradient(135deg, #0958d9 0%, #1677ff 55%, #4096ff 100%);
  color: #fff;
  padding: 64px 0 56px;
  text-align: center;
}
.page-hero .hero-inner {
  max-width: var(--container-width, 1200px);
  margin: 0 auto;
  padding: 0 var(--spacing-base, 16px);
}
.page-hero .hero-badge {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 2px;
  padding: 4px 14px;
  border-radius: var(--radius-full, 9999px);
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.3);
  margin-bottom: 18px;
}
.page-hero .hero-title {
  font-size: 38px;
  font-weight: 700;
  margin: 0 0 12px;
  letter-spacing: 1px;
}
.page-hero .hero-slogan {
  font-size: 17px;
  opacity: 0.92;
  margin: 0 0 8px;
}
.page-hero .hero-desc {
  font-size: 14px;
  max-width: 720px;
  margin: 10px auto 0;
  line-height: 1.9;
  opacity: 0.85;
}
.page-hero .hero-breadcrumb {
  margin-top: 18px;
  font-size: 13px;
  opacity: 0.75;
}
.page-hero .hero-breadcrumb a { color: #fff; }
.page-hero .hero-breadcrumb a:hover { text-decoration: underline; }

/* ---------- 通用内容区 ---------- */
.page-section {
  max-width: var(--container-width, 1200px);
  margin: 0 auto;
  padding: 40px var(--spacing-base, 16px) 8px;
}
.page-section-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary, #1f2937);
  margin: 0 0 6px;
  position: relative;
  padding-left: 14px;
}
.page-section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  border-radius: 2px;
  background: var(--primary, #1677ff);
}
.page-section-sub {
  font-size: 14px;
  color: var(--text-tertiary, #6b7280);
  margin: 0 0 24px;
}

/* ---------- 关于我们 ---------- */
.about-intro {
  background: var(--bg-card, #fff);
  border: 1px solid var(--border-light, #f0f0f0);
  border-radius: var(--radius-lg, 12px);
  padding: 28px 32px;
  line-height: 2;
  color: var(--text-secondary, #4b5563);
  font-size: 15px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm, none);
}
.about-intro p { margin: 0 0 12px; }
.about-intro p:last-child { margin-bottom: 0; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}
.about-card {
  background: var(--bg-card, #fff);
  border: 1px solid var(--border-light, #f0f0f0);
  border-radius: var(--radius-lg, 12px);
  padding: 24px;
  box-shadow: var(--shadow-sm, none);
  transition: box-shadow var(--transition-base, 200ms ease), transform var(--transition-base, 200ms ease);
}
.about-card:hover {
  box-shadow: var(--shadow-md, none);
  transform: translateY(-2px);
}
.about-card .card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--primary-light, #e6f4ff);
  color: var(--primary, #1677ff);
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.about-card h3 {
  font-size: 16px;
  margin: 0 0 8px;
  color: var(--text-primary, #1f2937);
}
.about-card p {
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-secondary, #4b5563);
  margin: 0;
}

.about-values {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}
.about-value {
  background: var(--bg-card, #fff);
  border: 1px solid var(--border-light, #f0f0f0);
  border-radius: var(--radius-md, 8px);
  padding: 20px 16px;
  text-align: center;
  transition: box-shadow var(--transition-base, 200ms ease);
}
.about-value:hover { box-shadow: var(--shadow-base, none); }
.about-value .value-num {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary, #1677ff);
  margin-bottom: 6px;
}
.about-value .value-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary, #1f2937);
  margin-bottom: 4px;
}

.about-contact {
  background: var(--bg-card, #fff);
  border: 1px solid var(--border-light, #f0f0f0);
  border-radius: var(--radius-lg, 12px);
  padding: 24px 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-sm, none);
}
.about-contact .contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary, #4b5563);
}
.about-contact .contact-item .contact-label {
  color: var(--text-tertiary, #6b7280);
}

/* ---------- 创始人 ---------- */
.founder-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 32px;
  align-items: start;
  padding-bottom: 32px;
}
.founder-photo-box {
  background: var(--bg-card, #fff);
  border: 1px solid var(--border-light, #f0f0f0);
  border-radius: var(--radius-lg, 12px);
  overflow: hidden;
  box-shadow: var(--shadow-base, none);
}
.founder-photo-box img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  display: block;
}
.founder-photo-empty {
  width: 100%;
  height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #e6f4ff, #bae0ff);
  color: var(--primary, #1677ff);
  font-size: 64px;
}
.founder-photo-cap {
  padding: 14px 16px;
  text-align: center;
  font-size: 14px;
  color: var(--text-secondary, #4b5563);
  border-top: 1px solid var(--border-light, #f0f0f0);
}
.founder-info .founder-name {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary, #1f2937);
  margin: 0 0 4px;
}
.founder-info .founder-title {
  font-size: 14px;
  color: var(--primary, #1677ff);
  margin-bottom: 18px;
}
.founder-quote {
  background: var(--primary-light, #e6f4ff);
  border-left: 4px solid var(--primary, #1677ff);
  border-radius: var(--radius-md, 8px);
  padding: 16px 20px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--primary-dark, #0958d9);
  margin-bottom: 20px;
}
.founder-text {
  background: var(--bg-card, #fff);
  border: 1px solid var(--border-light, #f0f0f0);
  border-radius: var(--radius-lg, 12px);
  padding: 24px 28px;
  box-shadow: var(--shadow-sm, none);
}
.founder-text h3 {
  font-size: 16px;
  margin: 0 0 10px;
  color: var(--text-primary, #1f2937);
}
.founder-text p {
  font-size: 14px;
  line-height: 2;
  color: var(--text-secondary, #4b5563);
  margin: 0 0 10px;
}
.founder-text p:last-child { margin-bottom: 0; }

/* ---------- 创始人专栏 ---------- */
.col-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-light, #f0f0f0);
  padding-bottom: 12px;
}
.col-tabs a {
  display: inline-block;
  padding: 8px 22px;
  border-radius: var(--radius-full, 9999px);
  font-size: 14px;
  color: var(--text-secondary, #4b5563);
  background: var(--bg-page, #f5f7fa);
  border: 1px solid var(--border-light, #f0f0f0);
  transition: all var(--transition-base, 200ms ease);
}
.col-tabs a:hover { color: var(--primary, #1677ff); border-color: var(--primary, #1677ff); }
.col-tabs a.active {
  background: var(--primary, #1677ff);
  color: #fff;
  border-color: var(--primary, #1677ff);
}

/* 博客卡片列表 */
.col-article-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 24px;
}
.col-article-card {
  background: var(--bg-card, #fff);
  border: 1px solid var(--border-light, #f0f0f0);
  border-radius: var(--radius-lg, 12px);
  padding: 20px 22px;
  transition: box-shadow var(--transition-base, 200ms ease), transform var(--transition-base, 200ms ease);
}
.col-article-card:hover {
  box-shadow: var(--shadow-md, none);
  transform: translateY(-2px);
}
.col-article-card .card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary, #1f2937);
  line-height: 1.6;
  margin-bottom: 8px;
}
.col-article-card .card-title a { color: inherit; }
.col-article-card .card-title a:hover { color: var(--primary, #1677ff); }
.col-article-card .card-summary {
  font-size: 13px;
  color: var(--text-tertiary, #6b7280);
  line-height: 1.8;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.col-article-card .card-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  color: var(--text-quaternary, #9ca3af);
}

/* 播客列表 */
.col-podcast-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 24px;
}
.col-podcast-item {
  display: flex;
  gap: 16px;
  background: var(--bg-card, #fff);
  border: 1px solid var(--border-light, #f0f0f0);
  border-radius: var(--radius-lg, 12px);
  padding: 16px 18px;
  align-items: center;
  transition: box-shadow var(--transition-base, 200ms ease);
}
.col-podcast-item:hover { box-shadow: var(--shadow-base, none); }
.col-podcast-cover {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md, 8px);
  object-fit: cover;
  flex-shrink: 0;
}
.col-podcast-cover-empty {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md, 8px);
  background: linear-gradient(135deg, #e6f4ff, #bae0ff);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--primary, #1677ff);
  flex-shrink: 0;
}
.col-podcast-main {
  flex: 1;
  min-width: 0;
}
.col-podcast-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary, #1f2937);
  margin-bottom: 6px;
}
.col-podcast-title a { color: inherit; }
.col-podcast-title a:hover { color: var(--primary, #1677ff); }
.col-podcast-meta {
  font-size: 12px;
  color: var(--text-quaternary, #9ca3af);
  margin-bottom: 6px;
}
.audio-wrap audio {
  width: 100%;
  height: 34px;
  outline: none;
}

/* 播客详情 */
.podcast-detail-card {
  background: var(--bg-card, #fff);
  border: 1px solid var(--border-light, #f0f0f0);
  border-radius: var(--radius-lg, 12px);
  padding: 28px 32px;
  box-shadow: var(--shadow-sm, none);
  margin-bottom: 24px;
}
.podcast-detail-card h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary, #1f2937);
  margin: 0 0 10px;
}
.podcast-detail-card .podcast-meta {
  font-size: 13px;
  color: var(--text-quaternary, #9ca3af);
  margin-bottom: 16px;
}
.podcast-detail-card .audio-wrap {
  background: var(--bg-page, #f5f7fa);
  border-radius: var(--radius-md, 8px);
  padding: 16px;
  margin-bottom: 18px;
}
.podcast-detail-card .podcast-summary {
  font-size: 14px;
  line-height: 2;
  color: var(--text-secondary, #4b5563);
  white-space: pre-wrap;
}

/* 文章详情 */
.article-detail-card {
  background: var(--bg-card, #fff);
  border: 1px solid var(--border-light, #f0f0f0);
  border-radius: var(--radius-lg, 12px);
  padding: 32px 36px;
  box-shadow: var(--shadow-sm, none);
  margin-bottom: 20px;
}
.article-detail-card h1 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary, #1f2937);
  margin: 0 0 12px;
  line-height: 1.5;
}
.article-detail-card .article-meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-quaternary, #9ca3af);
  border-bottom: 1px solid var(--border-light, #f0f0f0);
  padding-bottom: 16px;
  margin-bottom: 20px;
}
.article-detail-body {
  font-size: 15px;
  line-height: 2;
  color: var(--text-secondary, #4b5563);
}
.article-detail-body p { margin: 0 0 16px; }
.article-detail-body img { max-width: 100%; border-radius: var(--radius-md, 8px); }
.article-detail-body h2, .article-detail-body h3 { color: var(--text-primary, #1f2937); margin: 24px 0 12px; }
.article-detail-body blockquote {
  border-left: 4px solid var(--primary, #1677ff);
  background: var(--primary-light, #e6f4ff);
  margin: 0 0 16px;
  padding: 12px 16px;
  border-radius: var(--radius-sm, 4px);
  color: var(--primary-dark, #0958d9);
}
.article-prev-next {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 13px;
  color: var(--text-tertiary, #6b7280);
  margin-bottom: 32px;
}
.article-prev-next a { color: var(--primary, #1677ff); }
.article-prev-next a:hover { text-decoration: underline; }

/* ---------- 分页 ---------- */
.col-pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin: 8px 0 32px;
}
.col-pagination a,
.col-pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  padding: 0 10px;
  border-radius: var(--radius-sm, 4px);
  border: 1px solid var(--border-base, #e5e7eb);
  font-size: 13px;
  color: var(--text-secondary, #4b5563);
  background: var(--bg-card, #fff);
  transition: all var(--transition-base, 200ms ease);
}
.col-pagination a:hover { border-color: var(--primary, #1677ff); color: var(--primary, #1677ff); }
.col-pagination span.current {
  background: var(--primary, #1677ff);
  border-color: var(--primary, #1677ff);
  color: #fff;
}
.col-pagination span.disabled { color: var(--text-quaternary, #9ca3af); cursor: not-allowed; }

/* ---------- 空状态 ---------- */
.col-empty {
  text-align: center;
  padding: 48px 0;
  color: var(--text-quaternary, #9ca3af);
  font-size: 14px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
  .page-hero { padding: 40px 0 32px; }
  .page-hero .hero-title { font-size: 28px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-values { grid-template-columns: repeat(2, 1fr); }
  .founder-layout { grid-template-columns: 1fr; }
  .col-article-list { grid-template-columns: 1fr; }
  .article-detail-card { padding: 20px; }
}