/* ============================================
   教练商业思维与实战拓展营 - 页面专属样式
   移动端优先设计 v3.0
   借鉴 ACC 页面优秀设计
   ============================================ */

/* ============================================
   基础变量
   ============================================ */
:root {
  --business-primary: #9333ea;
  --business-secondary: #7c3aed;
  --business-text: #1a1a2e;
  --business-text-secondary: #555;
  --business-text-muted: #888;
  --business-radius: 12px;
  --business-radius-sm: 8px;
  --business-shadow: 0 2px 8px rgba(0,0,0,0.04);
  --business-gap: 12px;
}

/* ============================================
   1. 章节头部样式 - 与ACC页面一致
   ============================================ */
.inner-main .section-header {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(0,0,0,0.03);
  position: relative;
}

.inner-main .section-header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 32px;
  height: 2px;
  background: linear-gradient(90deg, var(--business-primary), transparent);
}

.inner-main .section-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, rgba(147, 51, 234, 0.1) 0%, rgba(124, 58, 237, 0.05) 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.inner-main .section-icon i {
  font-size: 1rem;
  color: var(--business-primary);
}

.inner-main .section-header h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--business-text);
  margin-bottom: 2px;
}

.inner-main .section-subtitle {
  font-size: 0.72rem;
  color: var(--business-text-muted);
  margin: 0;
}

@media (min-width: 768px) {
  .inner-main .section-header {
    gap: 14px;
    margin-bottom: 18px;
  }
  
  .inner-main .section-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
  }
  
  .inner-main .section-icon i {
    font-size: 1.15rem;
  }
  
  .inner-main .section-header h3 {
    font-size: 1.1rem;
  }
}

/* ============================================
   2. 介绍文字 - 移动端优化
   ============================================ */
.inner-main .intro-text {
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--business-text-secondary);
}

.inner-main .intro-text p {
  margin-bottom: 10px;
}

.inner-main .intro-text p:last-child {
  margin-bottom: 0;
}

.inner-main .intro-text strong {
  color: var(--business-text);
  font-weight: 600;
}

@media (min-width: 768px) {
  .inner-main .intro-text {
    font-size: 0.92rem;
  }
}

/* ============================================
   3. 痛点列表 - 四边边框设计
   ============================================ */
.pain-points {
  margin-top: 14px;
}

.pain-point-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--business-text);
  margin-bottom: 10px;
}

.pain-point-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pain-point-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.06) 0%, rgba(220, 38, 38, 0.02) 100%);
  border-radius: 10px;
  border: 1px solid rgba(239, 68, 68, 0.1);
  font-size: 0.85rem;
  color: #991b1b;
  line-height: 1.5;
}

.pain-point-item i {
  color: #dc2626;
  margin-top: 2px;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .pain-point-item {
    padding: 12px 14px;
    font-size: 0.88rem;
  }
}

/* ============================================
   4. 关键观点 - 四边边框设计
   ============================================ */
.key-points {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 14px 0;
}

.key-point-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: linear-gradient(135deg, rgba(147, 51, 234, 0.06) 0%, rgba(124, 58, 237, 0.02) 100%);
  border-radius: 10px;
  border: 1px solid rgba(147, 51, 234, 0.08);
}

.key-point-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--business-primary) 0%, var(--business-secondary) 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1rem;
  flex-shrink: 0;
}

.key-point-text {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--business-text);
}

@media (min-width: 768px) {
  .key-points {
    flex-direction: row;
    gap: 12px;
  }
  
  .key-point-item {
    flex: 1;
    padding: 14px;
  }
  
  .key-point-icon {
    width: 40px;
    height: 40px;
  }
}

/* ============================================
   5. 问题盒子 - 借鉴ACC的notice-box
   ============================================ */
.problem-box {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.06) 0%, rgba(245, 158, 11, 0.02) 100%);
  border-radius: 10px;
  border: 1px solid rgba(245, 158, 11, 0.1);
  margin: 14px 0;
}

.problem-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: #92400e;
}

.problem-items {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.problem-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  background: white;
  border-radius: 6px;
  font-size: 0.75rem;
  color: #92400e;
  font-weight: 500;
}

/* ============================================
   6. 结论盒子 - 借鉴ACC的highlight-box
   ============================================ */
.conclusion-box {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.06) 0%, rgba(5, 150, 105, 0.02) 100%);
  border-radius: 10px;
  border: 1px solid rgba(16, 185, 129, 0.1);
  margin-top: 14px;
}

.conclusion-box i {
  color: #059669;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.conclusion-box span {
  font-size: 0.88rem;
  font-weight: 600;
  color: #065f46;
}

@media (min-width: 768px) {
  .conclusion-box {
    padding: 14px;
  }
}

/* ============================================
   7. 两个目标 - 编号卡片设计
   ============================================ */
.two-goals {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 14px;
}

.goal-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  background: linear-gradient(135deg, rgba(147, 51, 234, 0.04) 0%, rgba(124, 58, 237, 0.01) 100%);
  border-radius: 10px;
  border: 1px solid rgba(147, 51, 234, 0.06);
}

.goal-num {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--business-primary) 0%, var(--business-secondary) 100%);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
}

.goal-content {
  flex: 1;
}

.goal-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--business-text);
  line-height: 1.5;
}

@media (min-width: 768px) {
  .goal-item {
    padding: 16px;
  }
  
  .goal-title {
    font-size: 0.92rem;
  }
}

/* ============================================
   8. 收获列表 - 四边边框设计
   ============================================ */
.takeaway-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 14px 0;
}

.takeaway-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.06) 0%, rgba(5, 150, 105, 0.02) 100%);
  border-radius: 8px;
  border: 1px solid rgba(16, 185, 129, 0.08);
  font-size: 0.85rem;
  color: #065f46;
  font-weight: 500;
}

.takeaway-item i {
  color: #10b981;
  font-size: 1rem;
}

@media (min-width: 768px) {
  .takeaway-item {
    padding: 12px 14px;
    font-size: 0.88rem;
  }
}

/* ============================================
   9. 课程图片容器
   ============================================ */
.course-image {
  margin: 16px 0;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.course-image img {
  width: 100%;
  display: block;
}

/* ============================================
   10. 高亮文字盒子 - 借鉴ACC的highlight-box
   ============================================ */
.highlight-text-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px;
  background: linear-gradient(135deg, rgba(147, 51, 234, 0.04) 0%, rgba(124, 58, 237, 0.01) 100%);
  border-radius: 10px;
  border: 1px solid rgba(147, 51, 234, 0.06);
  margin-top: 14px;
}

.highlight-text-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--business-primary);
}

.highlight-text-content {
  font-size: 0.88rem;
  color: var(--business-text-secondary);
  line-height: 1.7;
}

@media (min-width: 768px) {
  .highlight-text-box {
    padding: 16px;
  }
}

/* ============================================
   11. 陪跑区块 - 四边边框设计
   ============================================ */
.peipao-section {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 14px;
}

.peipao-item {
  padding: 14px;
  background: linear-gradient(135deg, rgba(147, 51, 234, 0.03) 0%, rgba(124, 58, 237, 0.01) 100%);
  border-radius: 10px;
  border: 1px solid rgba(147, 51, 234, 0.06);
}

.peipao-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--business-primary);
  margin-bottom: 10px;
}

.peipao-label i {
  font-size: 1rem;
}

.peipao-content {
  font-size: 0.85rem;
  color: var(--business-text-secondary);
  line-height: 1.6;
}

.peipao-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: rgba(147, 51, 234, 0.08);
  border-radius: 6px;
  font-size: 0.78rem;
  color: var(--business-primary);
  margin-right: 6px;
  margin-bottom: 6px;
  font-weight: 500;
}

.peipao-image {
  border-radius: 10px;
  overflow: hidden;
  margin-top: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.peipao-image img {
  width: 100%;
  display: block;
}

.peipao-detail-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.peipao-detail-list span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  background: white;
  border-radius: 6px;
  font-size: 0.78rem;
  color: var(--business-text);
  border: 1px solid rgba(0,0,0,0.04);
}

.peipao-detail-list span i {
  color: #10b981;
  font-size: 0.85rem;
}

.peipao-note {
  font-size: 0.78rem;
  color: var(--business-text-muted);
  margin: 0;
}

@media (min-width: 768px) {
  .peipao-item {
    padding: 16px;
  }
  
  .peipao-content {
    font-size: 0.88rem;
  }
}

/* ============================================
   12. 不适合人群 - 四边边框设计
   ============================================ */
.not-suitable-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.not-suitable-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.04) 0%, rgba(220, 38, 38, 0.01) 100%);
  border-radius: 8px;
  border: 1px solid rgba(239, 68, 68, 0.06);
  font-size: 0.85rem;
  color: #991b1b;
}

.not-suitable-item i {
  color: #dc2626;
  font-size: 1rem;
}

@media (min-width: 768px) {
  .not-suitable-item {
    padding: 12px 14px;
    font-size: 0.88rem;
  }
}

/* ============================================
   13. 导师介绍
   ============================================ */
.mentor-intro {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mentor-highlights {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--business-text-secondary);
  line-height: 1.5;
}

.highlight-item i {
  color: var(--business-primary);
  margin-top: 2px;
  flex-shrink: 0;
}

.mentor-image {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.mentor-image img {
  width: 100%;
  display: block;
}

.served-clients {
  padding: 14px;
  background: linear-gradient(135deg, rgba(147, 51, 234, 0.03) 0%, rgba(124, 58, 237, 0.01) 100%);
  border-radius: 10px;
  border: 1px solid rgba(147, 51, 234, 0.06);
}

.clients-title {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--business-text-muted);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.clients-list {
  font-size: 0.8rem;
  color: var(--business-text-secondary);
  line-height: 2;
}

.clients-list .more {
  display: block;
  margin-top: 6px;
  font-size: 0.75rem;
  color: var(--business-text-muted);
  font-style: italic;
}

@media (min-width: 768px) {
  .mentor-image {
    max-width: 400px;
  }
  
  .clients-list {
    font-size: 0.82rem;
    line-height: 2.2;
  }
}

/* ============================================
   14. 课程信息网格
   ============================================ */
.course-info-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.course-info-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px 14px;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.02) 0%, transparent 100%);
  border-radius: 10px;
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.course-info-item.price {
  background: linear-gradient(135deg, rgba(147, 51, 234, 0.08) 0%, rgba(124, 58, 237, 0.04) 100%);
  border-color: rgba(147, 51, 234, 0.12);
}

.course-info-item.highlight-info {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.06) 0%, rgba(5, 150, 105, 0.02) 100%);
  border-color: rgba(16, 185, 129, 0.1);
}

.info-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--business-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.info-label i {
  color: var(--business-primary);
}

.info-value {
  font-size: 0.88rem;
  color: var(--business-text);
  font-weight: 500;
}

.info-value small {
  display: block;
  margin-top: 4px;
  font-size: 0.75rem;
  color: var(--business-text-muted);
  font-weight: 400;
}

.price-original {
  text-decoration: line-through;
  color: var(--business-text-muted);
  margin-right: 12px;
}

.price-special {
  color: var(--business-primary);
}

.price-special strong {
  font-size: 1.15rem;
  font-weight: 700;
}

@media (min-width: 768px) {
  .course-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  
  .course-info-item.price {
    grid-column: span 2;
  }
  
  .course-info-item {
    padding: 14px 16px;
  }
  
  .price-special strong {
    font-size: 1.25rem;
  }
}

/* ============================================
   15. 高亮框 - 借鉴ACC样式
   ============================================ */
.highlight-box {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px;
  background: linear-gradient(135deg, rgba(147, 51, 234, 0.04) 0%, rgba(124, 58, 237, 0.02) 100%);
  border-radius: 10px;
  border: 1px solid rgba(147, 51, 234, 0.08);
  margin-bottom: 10px;
}

.highlight-box-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--business-primary), var(--business-secondary));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.highlight-box-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--business-text);
  margin-bottom: 2px;
}

.highlight-box-text {
  font-size: 0.78rem;
  color: var(--business-text-secondary);
  line-height: 1.5;
}

@media (min-width: 768px) {
  .highlight-box {
    padding: 14px;
    gap: 12px;
  }
  
  .highlight-box-icon {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }
}

/* ============================================
   16. 适合人群 - 四边边框设计
   ============================================ */
.audience-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}

.audience-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.04) 0%, rgba(5, 150, 105, 0.01) 100%);
  border-radius: 10px;
  border: 1px solid rgba(16, 185, 129, 0.06);
  transition: all 0.2s ease;
}

.audience-icon {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.05) 100%);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.audience-icon i {
  font-size: 0.95rem;
  color: #059669;
}

.audience-content {
  flex: 1;
  min-width: 0;
}

.audience-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--business-text);
  margin-bottom: 2px;
}

.audience-desc {
  font-size: 0.78rem;
  color: var(--business-text-secondary);
  line-height: 1.5;
}

@media (min-width: 768px) {
  .audience-list {
    gap: 10px;
  }
  
  .audience-item {
    padding: 12px 14px;
    gap: 12px;
  }
  
  .audience-icon {
    width: 38px;
    height: 38px;
  }
  
  .audience-title {
    font-size: 0.88rem;
  }
}

/* ============================================
   17. 内容卡片 - 借鉴ACC样式
   ============================================ */
.inner-main .content-card {
  background: white;
  border-radius: 12px;
  padding: 16px 14px;
  margin-bottom: 12px;
  box-shadow: var(--business-shadow);
  border: 1px solid rgba(0,0,0,0.03);
}

@media (min-width: 768px) {
  .inner-main .content-card {
    padding: 20px;
    margin-bottom: 16px;
  }
}

/* ============================================
   18. CTA提示
   ============================================ */
.course-cta {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed rgba(0, 0, 0, 0.06);
}

.cta-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--business-text-muted);
  margin: 0;
}

@media (min-width: 768px) {
  .course-cta {
    margin-top: 18px;
    padding-top: 16px;
  }
  
  .cta-note {
    font-size: 0.85rem;
  }
}

/* ============================================
   19. 视觉层次强化
   ============================================ */

/* 重要章节第一个卡片顶部强调 */
.inner-main .content-card:first-of-type {
  border-top: 2px solid var(--business-primary);
}

/* 价格章节底部强调 */
.inner-main .content-card:last-of-type {
  border-bottom: 2px solid var(--business-primary);
}