/* 基础容器与布局 */
.cyber-pink-container {
  max-width: 100%;
  margin: 0 auto;
  padding: 1.2rem;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  border: 2px solid #ff2a6d;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(255, 42, 109, 0.25);
  font-family: 'Segoe UI', system-ui, sans-serif;
  color: #d1e8ff;
  position: relative;
  overflow: hidden;
}

/* 霓虹标题效果 */
.title-bar {
  text-align: center;
  padding: 0.8rem;
  margin: -1.2rem -1.2rem 1.5rem -1.2rem;
  background: rgba(255, 42, 109, 0.15);
  border-bottom: 1px solid #ff2a6d;
  font-size: 1.1rem;
  letter-spacing: 1px;
  text-shadow: 0 0 10px rgba(255, 42, 109, 0.7);
}

.millennium-title {
  text-align: center;
  margin-bottom: 2rem;
}

.title-text {
  font-size: 2.2rem;
  background: linear-gradient(45deg, #ff2a6d, #d1e8ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 0;
  text-shadow: 0 0 15px rgba(255, 42, 109, 0.5);
}

/* 可折叠面板 */
.collapsible-panel {
  margin-bottom: 1.2rem;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #4a4a8a;
}

.collapsible-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem;
  background: rgba(26, 26, 46, 0.8);
  font-weight: 600;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.collapsible-header:hover {
  background: rgba(255, 42, 109, 0.2);
}

.collapsible-content {
  padding: 1.2rem;
  background: rgba(22, 33, 62, 0.9);
  border-top: 1px solid #4a4a8a;
  font-size: 1.1rem;
  line-height: 1.6;
}

.collapsible-content p {
  margin: 0.8rem 0;
}

/* 交互按钮组 */
.interaction-buttons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  margin: 2rem 0;
}

.interaction-btn {
  padding: 1rem 0.5rem;
  background: rgba(22, 33, 62, 0.8);
  border: 1px solid #4a4a8a;
  border-radius: 8px;
  color: #d1e8ff;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.2s;
  min-height: 60px;
}

.interaction-btn:hover {
  background: rgba(255, 42, 109, 0.3);
  transform: translateY(-3px);
}

/* 内容区域 */
.main-content {
  background: rgba(22, 33, 62, 0.8);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  border: 1px solid #4a4a8a;
}

.content-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
  color: #ff7bac;
}

.content-body {
  font-size: 1.15rem;
  line-height: 1.7;
}

.highlight {
  color: #ff7bac;
  font-weight: 700;
  text-shadow: 0 0 8px rgba(255, 123, 172, 0.6);
}

/* 特殊按钮 */
.destroy-btn {
  display: block;
  width: 100%;
  padding: 1.2rem;
  margin: 1.5rem 0;
  background: rgba(139, 0, 0, 0.3);
  border: 1px solid #ff2a6d;
  border-radius: 8px;
  color: #ff7bac;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all 0.3s;
}

.destroy-btn:hover {
  background: rgba(255, 42, 109, 0.2);
  transform: scale(1.02);
}

.day-counter {
  text-align: center;
  font-size: 1.3rem;
  font-weight: 700;
  color: #ff7bac;
  margin-top: 1rem;
}

/* 移动端优化 */
@media (max-width: 480px) {
  .interaction-buttons {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .title-text {
    font-size: 1.8rem;
  }
  
  .content-body, .collapsible-content {
    font-size: 1.05rem;
  }
}