/* ============================================================
   新闻滚动条 (Breaking News Ticker)
   ============================================================ */
.news-ticker {
  background-color: var(--ticker-bg);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
  position: relative;
  height: 40px;
  display: flex;
  align-items: center;
}

.ticker-label {
  flex-shrink: 0;
  background-color: var(--accent-color);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: var(--size-meta);
  font-weight: 600;
  padding: 0 var(--space-md);
  height: 100%;
  display: flex;
  align-items: center;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  z-index: 2;
  position: relative;
}

.ticker-label::after {
  content: '';
  position: absolute;
  right: -12px;
  top: 0;
  bottom: 0;
  width: 24px;
  background: linear-gradient(90deg, var(--accent-color), transparent);
  clip-path: polygon(0 0, 0 100%, 100% 50%);
}

.ticker-label .lang-en { display: none; }
body.lang-en .ticker-label .lang-en { display: flex; }
body.lang-en .ticker-label .lang-zh { display: none; }
body.lang-zh .ticker-label .lang-zh { display: flex; }

.ticker-content {
  display: flex;
  align-items: center;
  animation: tickerScroll 60s linear infinite;
  white-space: nowrap;
}

.news-ticker:hover .ticker-content {
  animation-play-state: paused;
}

@keyframes tickerScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.ticker-item {
  display: inline-flex;
  align-items: center;
  padding: 0 var(--space-xl);
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 40px;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.ticker-item:hover {
  color: var(--accent-color);
}

.ticker-item::before {
  content: '◆';
  margin-right: var(--space-sm);
  color: var(--accent-color);
  font-size: 8px;
  flex-shrink: 0;
}

/* 移动端适配 */
@media (max-width: 768px) {
  .news-ticker {
    height: 36px;
  }
  .ticker-label {
    font-size: 10px;
    padding: 0 var(--space-sm);
  }
  .ticker-item {
    font-size: 13px;
    padding: 0 var(--space-lg);
  }
}