/* ====== 关于我们页专属样式 ====== */

/* Banner 增强 */
.page-banner {
  position: relative;
  overflow: hidden;
}
.page-banner::after {
  content: '';
  position: absolute;
  top: -60px;
  right: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(22,93,255,.04);
  pointer-events: none;
}
.banner-tags {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}
.banner-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 16px;
  background: rgba(22,93,255,.08);
  color: var(--primary);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
}

/* ====== 公司简介区 ====== */
.about-intro-section {
  padding: 72px 0;
}
.about-intro-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: start;
}

/* 左侧文本 */
.about-text-block h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.about-text-block .subtitle {
  font-size: 14px;
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 24px;
  letter-spacing: 2px;
}
.about-text-block p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 16px;
}
.highlight-link {
  color: var(--primary);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px dashed var(--primary);
  transition: var(--transition);
}
.highlight-link:hover {
  color: var(--primary-hover);
  border-bottom-style: solid;
}

/* 右侧统计 */
.about-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.about-stat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: center;
  transition: var(--transition);
}
.about-stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.about-stat-card .stat-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin: 0 auto 12px;
}
.about-stat-card .stat-icon.blue  { background: rgba(22,93,255,.1);   color: var(--primary); }
.about-stat-card .stat-icon.cyan  { background: rgba(54,207,201,.1);  color: var(--secondary-cyan); }
.about-stat-card .stat-icon.orange { background: rgba(255,125,0,.1);   color: var(--secondary-orange); }

.about-stat-card .stat-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 4px;
}
.about-stat-card .stat-num.cyan  { color: var(--secondary-cyan); }
.about-stat-card .stat-num.orange { color: var(--secondary-orange); }
.about-stat-card .stat-label {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ====== 发展历程 - 时间线 ====== */
.about-milestones-section {
  padding: 80px 0;
  background: var(--bg-light);
  position: relative;
}
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 0 0 48px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 18px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--primary) 0%, var(--secondary-cyan) 50%, var(--secondary-orange) 100%);
  border-radius: 1px;
}
.timeline-item {
  position: relative;
  margin-bottom: 40px;
}
.timeline-item:last-child {
  margin-bottom: 0;
}
.timeline-dot {
  position: absolute;
  left: -38px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 3px var(--primary);
  z-index: 2;
}
.timeline-item:nth-child(2) .timeline-dot { box-shadow: 0 0 0 3px var(--secondary-cyan); }
.timeline-item:nth-child(3) .timeline-dot { box-shadow: 0 0 0 3px var(--secondary-orange); }
.timeline-item:nth-child(4) .timeline-dot { box-shadow: 0 0 0 3px var(--primary); }
.timeline-item:nth-child(5) .timeline-dot { box-shadow: 0 0 0 3px var(--secondary-cyan); }
.timeline-item:nth-child(6) .timeline-dot { box-shadow: 0 0 0 3px var(--secondary-orange); }

.timeline-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  transition: var(--transition);
}
.timeline-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.timeline-year {
  display: inline-block;
  padding: 3px 14px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  background: rgba(22,93,255,.08);
  border-radius: 20px;
  margin-bottom: 12px;
}
.timeline-card h4 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.timeline-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ====== 核心价值观 ====== */
.values-section {
  padding: 80px 0;
}
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.value-card {
  text-align: center;
  padding: 36px 24px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}
.value-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.value-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin: 0 auto 16px;
}
.value-icon.blue   { background: rgba(22,93,255,.1);   color: var(--primary); }
.value-icon.cyan   { background: rgba(54,207,201,.1);  color: var(--secondary-cyan); }
.value-icon.orange { background: rgba(255,125,0,.1);   color: var(--secondary-orange); }
.value-card h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.value-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ====== 团队区 ====== */
.team-section {
  padding: 72px 0;
  background: var(--bg-light);
}
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}
.team-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-align: center;
  transition: var(--transition);
}
.team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.team-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  margin: 0 auto 16px;
}
.team-avatar.blue   { background: var(--primary); }
.team-avatar.cyan   { background: var(--secondary-cyan); }
.team-avatar.orange { background: var(--secondary-orange); }
.team-card h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.team-role {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.team-card .team-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  background: var(--bg-light);
  border-radius: var(--radius);
  padding: 12px 14px;
}

/* ====== 预约表单 ====== */
.appointment-section {
  padding: 80px 0;
}
.appointment-wrapper {
  max-width: 740px;
  margin: 48px auto 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.appointment-header {
  background: linear-gradient(135deg, var(--primary) 0%, #0A3DB3 100%);
  padding: 28px 36px;
  color: var(--white);
}
.appointment-header h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 4px;
}
.appointment-header p {
  font-size: 14px;
  opacity: .8;
}
.appointment-body {
  padding: 36px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
.required {
  color: #E53E3E;
  margin-left: 2px;
}
.form-input {
  width: 100%;
  padding: 11px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: inherit;
  background: var(--bg-light);
  color: var(--text-primary);
  transition: var(--transition);
}
.form-input:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(22,93,255,.08);
}
.form-input::placeholder {
  color: #C5CAD3;
}
textarea.form-input {
  min-height: 100px;
  resize: vertical;
}
select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2386909C' d='M1.41 0L6 4.58 10.59 0 12 1.41l-6 6-6-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}
.form-submit-row {
  text-align: center;
  padding-top: 8px;
}
.form-submit-row .btn {
  padding: 14px 48px;
  font-size: 16px;
}

/* ====== 弹窗（覆盖 common.css 默认弹窗） ====== */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,.5);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}
.modal-overlay.active {
  display: flex;
}
.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px 40px 36px;
  max-width: 420px;
  width: 90%;
  text-align: center;
  box-shadow: 0 16px 48px rgba(0,0,0,.2);
}
.modal-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(54,207,201,.12);
  color: var(--secondary-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin: 0 auto 20px;
}
.modal h3 {
  font-size: 20px;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.modal p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}
.modal .btn {
  min-width: 120px;
}

/* ====== 响应式 ====== */
@media (max-width: 768px) {
  .about-intro-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-text-block h2 {
    font-size: 24px;
  }
  .about-stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .values-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .team-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .timeline {
    padding-left: 36px;
  }
  .timeline::before {
    left: 14px;
  }
  .timeline-dot {
    left: -30px;
  }
  .timeline-card:hover {
    transform: none;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .appointment-body {
    padding: 24px;
  }
  .appointment-header {
    padding: 24px;
  }
}
@media (max-width: 375px) {
  .about-stats-grid {
    grid-template-columns: 1fr;
  }
  .values-grid {
    grid-template-columns: 1fr;
  }
}