/* ============================================
   陪玩指南 · 独立样式
   紫金主题 v1.0
   ============================================ */

/* ===== 主题色变量 ===== */
:root {
  --cg-primary: #7C3AED;
  --cg-primary-light: #A78BFA;
  --cg-primary-dark: #5B21B6;
  --cg-gradient: linear-gradient(135deg, #5C6BC0, #7C4DFF);
  --cg-gradient-warm: linear-gradient(135deg, #7C3AED, #F59E0B);
  --cg-bg: #FAF7F0;
  --cg-card-bg: #fff;
  --cg-accent: #F59E0B;
  --cg-accent-light: #FCD34D;
  --cg-text: #1F2937;
  --cg-text-secondary: #6B7280;
  --cg-border: #E5E7EB;
  --cg-shadow: rgba(124, 58, 237, 0.1);
  --cg-radius: 14px;
  --cg-radius-sm: 10px;
}

/* ===== 容器 ===== */
.cg-container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px 40px;
  font-family: -apple-system, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  color: var(--cg-text);
}

/* ===== 头部 ===== */
.cg-header {
  background: var(--cg-gradient-warm);
  border-radius: 0 0 24px 24px;
  padding: 32px 24px 28px;
  text-align: center;
  margin: 0 -16px 24px;
}
.cg-header h1 {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  margin: 0 0 6px;
  letter-spacing: 1px;
}
.cg-header p {
  font-size: 15px;
  color: rgba(255,255,255,0.85);
  margin: 0;
  font-weight: 400;
}

/* ===== 年龄段Tab ===== */
.cg-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 4px 0 16px;
  scrollbar-width: none;
}
.cg-tabs::-webkit-scrollbar { display: none; }

.cg-tab {
  flex-shrink: 0;
  padding: 10px 20px;
  border: 2px solid transparent;
  border-radius: 24px;
  background: var(--cg-card-bg);
  color: var(--cg-text-secondary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 1px 3px var(--cg-shadow);
  white-space: nowrap;
  font-family: inherit;
}
.cg-tab:hover {
  border-color: var(--cg-primary-light);
  color: var(--cg-primary);
}
.cg-tab.active {
  background: var(--cg-primary);
  color: #fff;
  border-color: var(--cg-primary);
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

/* ===== 年龄分组描述 ===== */
.cg-group-desc {
  background: linear-gradient(135deg, rgba(124,58,237,0.06), rgba(245,158,11,0.04));
  border-left: 4px solid var(--cg-primary);
  padding: 12px 16px;
  border-radius: 0 var(--cg-radius-sm) var(--cg-radius-sm) 0;
  margin-bottom: 20px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--cg-text-secondary);
}

/* ===== 游戏卡片网格 ===== */
.cg-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.cg-card {
  background: var(--cg-card-bg);
  border-radius: var(--cg-radius);
  padding: 20px;
  box-shadow: 0 2px 8px var(--cg-shadow);
  cursor: pointer;
  transition: all 0.25s ease;
  border: 1px solid var(--cg-border);
}
.cg-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.15);
  border-color: var(--cg-primary-light);
}

.cg-card-icon {
  font-size: 36px;
  margin-bottom: 10px;
  display: block;
}
.cg-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--cg-text);
}
.cg-card p {
  font-size: 13px;
  color: var(--cg-text-secondary);
  margin: 0 0 12px;
  line-height: 1.5;
}
.cg-card-age {
  display: inline-block;
  font-size: 12px;
  color: var(--cg-primary);
  background: rgba(124,58,237,0.08);
  padding: 3px 10px;
  border-radius: 12px;
  font-weight: 500;
}

/* ===== 选修推荐标识 ===== */
.cg-card-type {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 8px;
  margin-bottom: 8px;
  font-weight: 600;
}
.cg-card-type.recommended {
  background: rgba(16,185,129,0.1);
  color: #059669;
}
.cg-card-type.elective {
  background: rgba(245,158,11,0.1);
  color: #D97706;
}

/* ===== 空状态 ===== */
.cg-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--cg-text-secondary);
  font-size: 15px;
  background: var(--cg-card-bg);
  border-radius: var(--cg-radius);
  border: 2px dashed var(--cg-border);
}

/* ===== 详情面板 ===== */
.cg-detail {
  background: var(--cg-card-bg);
  border-radius: var(--cg-radius);
  padding: 24px;
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.12);
  border: 1px solid var(--cg-border);
  animation: cgSlideUp 0.35s ease;
  margin-bottom: 24px;
  position: relative;
}

@keyframes cgSlideUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.cg-detail-close {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: rgba(0,0,0,0.05);
  color: var(--cg-text-secondary);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.cg-detail-close:hover {
  background: rgba(0,0,0,0.1);
}

.cg-detail h2 {
  font-size: 22px;
  font-weight: 800;
  margin: 0 0 8px;
  padding-right: 36px;
}
.cg-detail > p {
  font-size: 14px;
  color: var(--cg-text-secondary);
  line-height: 1.6;
  margin: 0 0 20px;
}

/* ===== 详情分区 ===== */
.cg-section {
  margin-bottom: 20px;
}
.cg-section:last-child {
  margin-bottom: 0;
}
.cg-section h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--cg-text);
}

/* ===== 知识点标签 ===== */
.cg-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.cg-tag {
  display: inline-block;
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(124,58,237,0.08), rgba(245,158,11,0.06));
  color: var(--cg-primary-dark);
  border: 1px solid rgba(124,58,237,0.15);
  font-weight: 500;
}

/* ===== 亲子话题卡片 ===== */
.cg-discussion {
  background: linear-gradient(135deg, #FAF5FF, #FFFBEB);
  border-radius: var(--cg-radius-sm);
  padding: 14px 16px;
  margin-bottom: 10px;
  border-left: 4px solid var(--cg-accent);
}
.cg-discussion:last-child {
  margin-bottom: 0;
}
.cg-discussion h4 {
  font-size: 14px;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--cg-text);
}
.cg-discussion .cg-q {
  font-size: 13px;
  color: var(--cg-text);
  line-height: 1.6;
  margin: 0 0 4px;
}
.cg-discussion .cg-hint {
  font-size: 12px;
  color: var(--cg-text-secondary);
  line-height: 1.5;
  margin: 0;
  padding: 6px 10px;
  background: rgba(255,255,255,0.6);
  border-radius: 6px;
}

/* ===== 游戏指南 ===== */
.cg-section:last-child p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--cg-text);
  padding: 12px 16px;
  background: rgba(124,58,237,0.04);
  border-radius: var(--cg-radius-sm);
  border: 1px solid rgba(124,58,237,0.08);
}

/* ===== 底部平台介绍 ===== */
.cg-footer {
  text-align: center;
  padding: 24px 0 8px;
  margin-top: 8px;
  border-top: 1px solid var(--cg-border);
}
.cg-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 20px;
  margin-bottom: 12px;
}
.cg-footer-link {
  font-size: 13px;
  color: var(--cg-text-secondary);
  text-decoration: none;
  transition: color 0.2s;
  padding: 4px 0;
}
.cg-footer-link:hover {
  color: var(--cg-primary);
}
.cg-footer-copy {
  font-size: 12px;
  color: var(--cg-text-secondary);
  margin: 0;
  opacity: 0.7;
}

/* ===== 响应式：平板 ===== */
@media (min-width: 768px) and (max-width: 1023px) {
  .cg-header {
    padding: 40px 32px 32px;
  }
  .cg-header h1 {
    font-size: 32px;
  }
  .cg-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cg-container {
    padding: 0 24px 40px;
  }
  .cg-header {
    margin: 0 -24px 24px;
  }
}

/* ===== 响应式：桌面 ===== */
@media (min-width: 1024px) {
  .cg-container {
    max-width: 1100px;
    padding: 0 32px 48px;
  }
  .cg-header {
    padding: 48px 40px 36px;
    margin: 0 -32px 32px;
    border-radius: 0 0 32px 32px;
  }
  .cg-header h1 {
    font-size: 36px;
  }
  .cg-header p {
    font-size: 16px;
  }
  .cg-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  .cg-card {
    padding: 24px;
  }
  .cg-detail {
    padding: 32px;
  }
  .cg-tabs {
    gap: 12px;
  }
  .cg-tab {
    padding: 12px 28px;
    font-size: 15px;
  }
}

/* ===== 超宽屏 ===== */
@media (min-width: 1440px) {
  .cg-container {
    max-width: 1200px;
  }
  .cg-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}