/* ============================================
   ACC教练认证课程 - 专属样式
   移动端优先设计
   ============================================ */

/* ============================================
   1. CSS变量
   ============================================ */
:root {
  --course-primary: #9333ea;
  --course-secondary: #7c3aed;
  --course-accent: #a855f7;
  --course-text: #1a1a2e;
  --course-text-secondary: #555;
  --course-text-muted: #999;
  --course-bg: #faf5ff;
  --course-card-bg: #ffffff;
  --course-radius: 12px;
  --course-radius-sm: 8px;
  --course-radius-lg: 16px;
}

/* ============================================
   2. 课程Hero区 - 移动端优化
   ============================================ */
.course-hero-card {
  padding: 20px 16px;
  margin-bottom: 16px;
  /*background: linear-gradient(135deg, rgba(147, 51, 234, 0.04) 0%, rgba(124, 58, 237, 0.02) 100%);*/
  border-radius: var(--course-radius-lg);
  border: 1px solid rgba(147, 51, 234, 0.08);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.badge-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  /*background: rgba(147, 51, 234, 0.08);*/
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 500;
  /*color: var(--course-primary);*/
}

.badge-item i {
  font-size: 0.8rem;
}

.notice-box{padding: 1rem; background-color: #f6f6f6;opacity: 0.8}

.cert-badges span{display: block}

.hero-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--course-text);
  margin-bottom: 8px;
  line-height: 1.4;
}

.hero-subtitle {
  font-size: 0.85rem;
  color: var(--course-text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.hero-stats {
  display: flex;
  justify-content: space-around;
  padding: 14px 12px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: var(--course-radius);
  border: 1px solid rgba(147, 51, 234, 0.06);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--course-primary);
  line-height: 1.2;
}

.stat-unit {
  font-size: 0.72rem;
  color: var(--course-text-muted);
  margin-top: 2px;
}

@media (min-width: 768px) {
  .course-hero-card {
    padding: 28px 24px;
  }

  .hero-badges {
    gap: 8px;
    margin-bottom: 18px;
  }

  .badge-item {
    font-size: 0.78rem;
    padding: 6px 14px;
  }

  .hero-title {
    font-size: 1.6rem;
  }

  .hero-subtitle {
    font-size: 0.9rem;
  }

  .hero-stats {
    padding: 16px;
    gap: 24px;
  }

  .stat-number {
    font-size: 1.8rem;
  }

  .stat-unit {
    font-size: 0.78rem;
  }
}

/* ============================================
   3. 内容卡片 - 移动端紧凑版
   ============================================ */
.inner-main .content-card {
  background: var(--course-card-bg);
  border-radius: var(--course-radius);
  padding: 16px;
  margin-bottom: 14px;
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(0, 0, 0, 0.03);
}

.inner-main .intro-text {
  font-size: 0.85rem;
  color: var(--course-text-secondary);
  line-height: 1.75;
}

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

@media (min-width: 768px) {
  .inner-main .content-card {
    padding: 24px;
    margin-bottom: 20px;
  }

  .inner-main .intro-text {
    font-size: 0.9rem;
  }
}

/* ============================================
   4. 章节头部 - 由 inner.css 统一管理
   ============================================ */

/* ============================================
   4.5 高亮框 - 移动端优化
   ============================================ */
.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.compact {
  padding: 10px;
}

.highlight-box-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--course-primary), var(--course-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(--course-text);
  margin-bottom: 2px;
}

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

@media (min-width: 768px) {
  .highlight-box {
    padding: 16px;
    gap: 12px;
  }

  .highlight-box-icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
}

/* ============================================
   4.6 时间轴/里程碑 - 移动端优化
   ============================================ */
.timeline-simple {
  position: relative;
  padding-left: 24px;
  margin-bottom: 12px;
}

.timeline-simple::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--course-primary), rgba(147, 51, 234, 0.2));
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px dashed rgba(0,0,0,0.05);
}

.timeline-item:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: none;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -21px;
  top: 6px;
  width: 10px;
  height: 10px;
  background: var(--course-primary);
  border: 2px solid white;
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--course-primary);
  z-index: 1;
}

.timeline-date {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--course-primary);
  margin-bottom: 3px;
}

.timeline-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--course-text);
  margin-bottom: 3px;
}

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

.timeline-desc.highlight {
  color: var(--course-primary);
}

@media (min-width: 768px) {
  .timeline-simple {
    padding-left: 28px;
  }

  .timeline-simple::before {
    left: 8px;
  }

  .timeline-item::before {
    left: -23px;
    width: 12px;
    height: 12px;
  }

  .timeline-title {
    font-size: 0.92rem;
  }
}

/* ============================================
   4.7 认证图片 - 移动端优化
   ============================================ */
.cert-images {
  margin-top: 12px;
}

.cert-image-item {
  margin-bottom: 10px;
  border-radius: 8px;
  overflow: hidden;
  background: rgba(0,0,0,0.02);
}

.cert-image-item:last-child {
  margin-bottom: 0;
}

.cert-image-item img {
  width: 100%;
  height: auto;
  display: block;
}

@media (min-width: 768px) {
  .cert-images {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .cert-image-item {
    margin-bottom: 0;
  }
}

/* ============================================
   5. 三级认证卡片 - 移动端优化
   ============================================ */
.level-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}

/* 窄屏（<360px）降为单列 */
@media (max-width: 359px) {
  .level-cards {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .level-card {
    padding: 12px 16px;
  }
}

.level-card {
  padding: 14px 8px;
  background: var(--course-card-bg);
  border-radius: 10px;
  text-align: center;
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: all 0.3s ease;
}

.level-card:hover {
  border-color: rgba(147, 51, 234, 0.15);
  box-shadow: 0 2px 8px rgba(147, 51, 234, 0.08);
}

.level-card.featured {
  border-color: rgba(147, 51, 234, 0.2);
  background: linear-gradient(135deg, rgba(147, 51, 234, 0.05) 0%, rgba(124, 58, 237, 0.02) 100%);
}

.level-card.master {
  border-color: rgba(217, 119, 6, 0.2);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.05) 0%, rgba(217, 119, 6, 0.02) 100%);
}

.level-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--course-text);
  margin-bottom: 2px;
}

.level-card.featured .level-name {
  background: linear-gradient(135deg, var(--course-primary), var(--course-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.level-card.master .level-name {
  color: #d97706;
}

.level-full {
  font-size: 0.68rem;
  color: var(--course-text-muted);
  margin-bottom: 4px;
  line-height: 1.3;
}

.level-desc {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--course-text-secondary);
  line-height: 1.4;
}

@media (min-width: 768px) {
  .level-cards {
    gap: 12px;
  }

  .level-card {
    padding: 18px 14px;
  }

  .level-name {
    font-size: 1.5rem;
  }

  .level-full {
    font-size: 0.72rem;
  }

  .level-desc {
    font-size: 0.78rem;
  }
}

/* ============================================
   6. 套餐亮点 - 移动端优化
   ============================================ */
.package-highlight {
  background: linear-gradient(135deg, rgba(147, 51, 234, 0.05) 0%, rgba(124, 58, 237, 0.02) 100%);
  border-radius: var(--course-radius);
  padding: 14px;
  margin-bottom: 14px;
  border: 1px solid rgba(147, 51, 234, 0.08);
}

.package-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--course-primary);
  margin-bottom: 10px;
}

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

.package-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 10px;
  background: white;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--course-text);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.package-item i {
  color: var(--course-primary);
  font-size: 0.85rem;
}

@media (min-width: 768px) {
  .package-highlight {
    padding: 18px;
  }

  .package-title {
    font-size: 0.9rem;
  }

  .package-item {
    font-size: 0.82rem;
    padding: 7px 12px;
  }
}

/* ============================================
   7. 模块列表 - 移动端优化
   ============================================ */
.module-list {
  margin-bottom: 14px;
}

.module-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px;
  background: white;
  border-radius: var(--course-radius-sm);
  margin-bottom: 8px;
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.module-item:last-child {
  margin-bottom: 0;
}

.module-num {
  background: linear-gradient(135deg, var(--course-primary), var(--course-secondary));
  color: white;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  flex-shrink: 0;
  white-space: nowrap;
}

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

.module-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--course-text);
  margin-bottom: 2px;
  line-height: 1.4;
}

.module-hours {
  font-size: 0.78rem;
  color: var(--course-primary);
  font-weight: 500;
}

.optional-tag {
  display: inline-block;
  background: rgba(245, 158, 11, 0.1);
  color: #d97706;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.68rem;
  margin-left: 4px;
  font-weight: 500;
}

@media (min-width: 768px) {
  .module-item {
    padding: 14px;
    gap: 12px;
    margin-bottom: 10px;
  }

  .module-num {
    padding: 7px 12px;
    font-size: 0.78rem;
  }

  .module-title {
    font-size: 0.9rem;
  }

  .module-hours {
    font-size: 0.82rem;
  }
}

/* ============================================
   8. 学习后事项 - 移动端优化
   ============================================ */
.post-learning {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(16, 185, 129, 0.02) 100%);
  border-radius: var(--course-radius);
  padding: 14px;
  border: 1px solid rgba(16, 185, 129, 0.1);
}

.post-learning-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: #059669;
  margin-bottom: 8px;
}

.post-learning-items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.post-learning-items span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 6px;
  font-size: 0.78rem;
  color: var(--course-text-secondary);
}

.post-learning-items i {
  color: #10b981;
  font-size: 0.85rem;
}

.post-learning-note {
  font-size: 0.78rem;
  color: #059669;
  font-weight: 500;
}

.post-learning-note strong {
  color: #047857;
}

@media (min-width: 768px) {
  .post-learning {
    padding: 18px;
  }

  .post-learning-title {
    font-size: 0.88rem;
  }

  .post-learning-items span {
    font-size: 0.82rem;
  }

  .post-learning-note {
    font-size: 0.82rem;
  }
}

/* ============================================
   10. 适合人群网格 - 移动端优化
   ============================================ */
.audience-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.audience-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px;
  background: rgba(147, 51, 234, 0.02);
  border-radius: var(--course-radius);
  border: 1px solid rgba(147, 51, 234, 0.06);
}

.audience-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;
}

.audience-icon i {
  font-size: 1rem;
  color: var(--course-primary);
}

.audience-content {
  flex: 1;
}

.audience-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--course-text);
  margin-bottom: 3px;
}

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

.audience-desc strong {
  color: var(--course-primary);
  font-weight: 500;
}

@media (min-width: 768px) {
  .audience-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .audience-item {
    padding: 14px;
  }

  .audience-title {
    font-size: 0.9rem;
  }

  .audience-desc {
    font-size: 0.82rem;
  }
}

/* ============================================
   11. ICF定义框 - 移动端优化（四边框）
   ============================================ */
.icf-definition {
  display: flex;
  gap: 12px;
  padding: 14px;
  background: linear-gradient(135deg, rgba(147, 51, 234, 0.04) 0%, rgba(124, 58, 237, 0.02) 100%);
  border-radius: var(--course-radius);
  margin-bottom: 14px;
  border: 1px solid rgba(147, 51, 234, 0.1);
}

.icf-logo {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--course-primary), var(--course-secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.icf-content {
  flex: 1;
}

.icf-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--course-primary);
  margin-bottom: 6px;
}

.icf-quote {
  font-size: 0.82rem;
  color: var(--course-text-secondary);
  line-height: 1.65;
  margin: 0;
  padding: 8px 10px;
  background: rgba(147, 51, 234, 0.03);
  border-radius: 6px;
  border: 1px solid rgba(147, 51, 234, 0.06);
}

.icf-quote strong {
  color: var(--course-text);
}

@media (min-width: 768px) {
  .icf-definition {
    padding: 18px;
  }

  .icf-logo {
    width: 48px;
    height: 48px;
    font-size: 1.25rem;
  }

  .icf-title {
    font-size: 0.9rem;
  }

  .icf-quote {
    font-size: 0.85rem;
  }
}

/* ============================================
   12. 做到教练介绍 - 移动端优化
   ============================================ */
.zuodao-intro {
  margin-bottom: 14px;
}

.zuodao-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--course-text);
  margin-bottom: 8px;
}

.zuodao-basis {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.zuodao-basis span {
  padding: 5px 10px;
  background: rgba(147, 51, 234, 0.08);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--course-primary);
}

.zuodao-desc {
  font-size: 0.82rem;
  color: var(--course-text-secondary);
  line-height: 1.65;
}

@media (min-width: 768px) {
  .zuodao-title {
    font-size: 0.9rem;
  }

  .zuodao-basis span {
    font-size: 0.78rem;
    padding: 6px 12px;
  }

  .zuodao-desc {
    font-size: 0.85rem;
  }
}

/* ============================================
   13. 价值流程 - 移动端优化（垂直排列）
   ============================================ */
.zuodao-value {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px;
  background: linear-gradient(135deg, rgba(147, 51, 234, 0.03) 0%, rgba(124, 58, 237, 0.01) 100%);
  border-radius: var(--course-radius);
  margin-bottom: 14px;
  border: 1px solid rgba(147, 51, 234, 0.06);
}

.value-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.value-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--course-primary), var(--course-secondary));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.value-text {
  font-size: 0.82rem;
  color: var(--course-text);
  font-weight: 500;
}

.value-text strong {
  font-weight: 600;
}

.value-arrow {
  color: var(--course-text-muted);
  font-size: 1rem;
  transform: rotate(90deg);
}

@media (min-width: 768px) {
  .zuodao-value {
    flex-direction: row;
    justify-content: center;
    gap: 10px;
    padding: 18px;
  }

  .value-icon {
    width: 38px;
    height: 38px;
    font-size: 0.95rem;
  }

  .value-text {
    font-size: 0.85rem;
  }

  .value-arrow {
    transform: rotate(0deg);
  }
}

/* ============================================
   14. 优势列表 - 移动端优化
   ============================================ */
.advantages-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.advantage-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px;
  background: rgba(0, 0, 0, 0.01);
  border-radius: var(--course-radius);
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.advantage-num {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--course-primary) 0%, var(--course-secondary) 100%);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.advantage-num i {
  font-size: 1rem;
  color: white;
}

.advantage-content {
  flex: 1;
}

.advantage-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--course-text);
  margin-bottom: 4px;
}

.advantage-desc {
  font-size: 0.78rem;
  color: var(--course-text-secondary);
  line-height: 1.55;
}

.advantage-desc.clients {
  color: var(--course-text-muted);
  font-size: 0.75rem;
}

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

  .advantage-title {
    font-size: 0.9rem;
  }

  .advantage-desc {
    font-size: 0.82rem;
  }

  .advantage-desc.clients {
    font-size: 0.78rem;
  }
}

/* ============================================
   15. 工具类（使用 acc- 前缀避免与 Bootstrap 冲突）
   ============================================ */
.acc-text-primary {
  color: var(--course-primary);
}

.acc-text-secondary {
  color: var(--course-text-secondary);
}

.acc-text-muted {
  color: var(--course-text-muted);
}

.acc-fw-semibold {
  font-weight: 600;
}

.acc-mb-0 {
  margin-bottom: 0;
}

.acc-mt-2 {
  margin-top: 8px;
}