/* ===== 页面专属：新闻中心 .page-news ===== */
.page-news {
  --news-line-color: #FFD700;
  --news-dot-size: 20px;
  --news-card-radius: 20px;
  --news-card-bg: rgba(26, 32, 68, 0.7);
  --news-card-border: rgba(255, 215, 0, 0.15);
  --news-tag-current-bg: linear-gradient(135deg, #FFD700, #FF8C00);
  --news-tag-hot-bg: linear-gradient(135deg, #FF0000, #CC0000);
  --news-tag-new-bg: linear-gradient(135deg, #FFD700, #FFAA00);
  --news-tag-guide-bg: linear-gradient(135deg, #FFD700, #FFA500);
  --news-expand-color: #FFD700;
  --news-hover-glow: 0 0 30px rgba(255, 215, 0, 0.35);
  padding-bottom: 60px;
}

/* 面包屑 */
.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 20px 0 10px;
  font-size: 0.85rem;
  color: var(--color-text-muted, #C0C0C0);
}
.page-news .breadcrumb a {
  color: var(--color-text-muted, #C0C0C0);
  text-decoration: none;
  transition: color 0.2s;
}
.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--color-primary, #FFD700);
}
.page-news .breadcrumb [aria-current="page"] {
  color: var(--color-primary, #FFD700);
  font-weight: 500;
}

/* 英雄区 */
.page-news__hero {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 24px 0 32px;
  border-bottom: 1px solid rgba(255, 215, 0, 0.12);
  margin-bottom: 28px;
}
.page-news__hero-icon {
  flex-shrink: 0;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255, 215, 0, 0.25), transparent 70%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-news__hero-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 0 12px rgba(255, 215, 0, 0.4));
}
.page-news__hero-text {
  flex: 1;
}
.page-news__title {
  font-family: var(--heading-font, 'ZCOOL KuaiLe', cursive);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-primary, #FFD700);
  margin: 0 0 4px;
  line-height: 1.2;
  letter-spacing: 0.02em;
}
.page-news__subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted, #C0C0C0);
  margin: 0 0 8px;
  letter-spacing: 0.03em;
}
.page-news__desc {
  font-size: 0.95rem;
  color: var(--color-text, #FFFFFF);
  margin: 0;
  max-width: 520px;
  opacity: 0.85;
  line-height: 1.6;
}

/* 时间线容器 */
.page-news__timeline {
  position: relative;
  padding-left: 36px;
}

/* 时间线竖线 */
.page-news__timeline-line {
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, transparent 0%, var(--news-line-color) 4%, var(--news-line-color) 96%, transparent 100%);
  border-radius: 4px;
  opacity: 0.6;
}

/* 卡片 */
.page-news__card {
  position: relative;
  margin-bottom: 36px;
  scroll-margin-top: 80px;
}
.page-news__card:last-of-type {
  margin-bottom: 0;
}

/* 时间线节点 */
.page-news__card-dot {
  position: absolute;
  left: -36px;
  top: 28px;
  width: var(--news-dot-size);
  height: var(--news-dot-size);
  border-radius: 50%;
  background: var(--color-bg, #0A0F2E);
  border: 3px solid var(--news-line-color);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: box-shadow 0.3s, transform 0.3s;
  z-index: 2;
}
.page-news__card-dot:hover,
.page-news__card-dot:focus-visible {
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.6);
  transform: scale(1.15);
}
.page-news__card-dot:focus-visible {
  outline: 2px solid var(--color-primary, #FFD700);
  outline-offset: 3px;
}
.page-news__dot-inner {
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--news-line-color);
  animation: page-news-pulse-dot 2s ease-in-out infinite;
}
@keyframes page-news-pulse-dot {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.3); }
}

/* 卡片主体 */
.page-news__card-body {
  background: var(--news-card-bg);
  border: 1px solid var(--news-card-border);
  border-radius: var(--news-card-radius);
  padding: 24px 28px;
  transition: box-shadow 0.3s, transform 0.3s, border-color 0.3s;
  position: relative;
}
.page-news__card-body:hover {
  box-shadow: var(--news-hover-glow);
  border-color: rgba(255, 215, 0, 0.35);
  transform: translateY(-2px);
}

/* 标签 */
.page-news__card-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: #0A0F2E;
  padding: 3px 14px;
  border-radius: 30px;
  margin-bottom: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.tag-current {
  background: var(--news-tag-current-bg);
}
.tag-hot {
  background: var(--news-tag-hot-bg);
  color: #FFFFFF;
}
.tag-new {
  background: var(--news-tag-new-bg);
}
.tag-guide {
  background: var(--news-tag-guide-bg);
}

/* 标题 */
.page-news__card-title {
  font-family: var(--heading-font, 'ZCOOL KuaiLe', cursive);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary, #FFD700);
  margin: 0 0 6px;
  line-height: 1.3;
}

/* 元信息 */
.page-news__card-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--color-text-muted, #C0C0C0);
  margin-bottom: 14px;
}
.page-news__card-icon {
  display: inline-flex;
  align-items: center;
  color: var(--color-primary, #FFD700);
  opacity: 0.8;
}

/* 内容区域 */
.page-news__card-content {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}
.page-news__card-text {
  flex: 1;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text, #FFFFFF);
}
.page-news__card-text p {
  margin: 0 0 12px;
}
.page-news__card-text p:last-child {
  margin-bottom: 0;
}
.page-news__card-text strong {
  color: var(--color-primary, #FFD700);
  font-weight: 600;
}
.page-news__card-text a {
  color: var(--color-primary, #FFD700);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity 0.2s;
}
.page-news__card-text a:hover,
.page-news__card-text a:focus-visible {
  opacity: 0.8;
}

/* 指南列表 */
.page-news__guide-list {
  list-style: none;
  padding: 0;
  margin: 0 0 14px;
}
.page-news__guide-list li {
  position: relative;
  padding: 6px 0 6px 24px;
  line-height: 1.6;
  color: var(--color-text, #FFFFFF);
}
.page-news__guide-list li::before {
  content: "◆";
  position: absolute;
  left: 0;
  top: 6px;
  color: var(--color-primary, #FFD700);
  font-size: 0.7rem;
}

/* 卡片图片 */
.page-news__card-image {
  flex-shrink: 0;
  width: 200px;
  border-radius: 14px;
  overflow: hidden;
  background: rgba(255, 215, 0, 0.05);
  border: 1px solid rgba(255, 215, 0, 0.08);
}
.page-news__card-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  transition: transform 0.4s;
}
.page-news__card-image:hover img {
  transform: scale(1.04);
}

/* 展开按钮 */
.page-news__expand-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  padding: 6px 18px 6px 20px;
  background: transparent;
  border: 1px solid rgba(255, 215, 0, 0.3);
  border-radius: 30px;
  color: var(--news-expand-color);
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.25s, border-color 0.25s, box-shadow 0.25s;
  font-family: inherit;
}
.page-news__expand-btn:hover,
.page-news__expand-btn:focus-visible {
  background: rgba(255, 215, 0, 0.1);
  border-color: var(--news-expand-color);
  box-shadow: 0 0 16px rgba(255, 215, 0, 0.2);
}
.page-news__expand-btn:focus-visible {
  outline: 2px solid var(--color-primary, #FFD700);
  outline-offset: 3px;
}
.page-news__expand-btn svg {
  transition: transform 0.3s;
}
.page-news__expand-btn[aria-expanded="true"] svg {
  transform: rotate(180deg);
}
.page-news__expand-text {
  font-weight: 500;
}

/* 更多区域 */
.page-news__more {
  text-align: center;
  padding: 48px 0 20px;
  border-top: 1px solid rgba(255, 215, 0, 0.08);
  margin-top: 40px;
}
.page-news__more-text {
  font-size: 0.95rem;
  color: var(--color-text-muted, #C0C0C0);
  margin: 0 0 18px;
}

/* ===== 响应式 ===== */
/* 移动端优先 (≤767px) */
@media (max-width: 767px) {
  .page-news__hero {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
    padding: 16px 0 24px;
  }
  .page-news__hero-icon {
    width: 70px;
    height: 70px;
  }
  .page-news__hero-icon img {
    width: 70px;
    height: 70px;
  }
  .page-news__title {
    font-size: 1.8rem;
  }
  .page-news__subtitle {
    font-size: 0.9rem;
  }
  .page-news__desc {
    font-size: 0.85rem;
    max-width: 100%;
  }

  .page-news__timeline {
    padding-left: 28px;
  }
  .page-news__timeline-line {
    left: 8px;
  }
  .page-news__card-dot {
    left: -28px;
    width: 16px;
    height: 16px;
    top: 22px;
  }
  .page-news__dot-inner {
    width: 6px;
    height: 6px;
  }

  .page-news__card-body {
    padding: 16px 18px;
  }
  .page-news__card-title {
    font-size: 1.2rem;
  }
  .page-news__card-content {
    flex-direction: column;
    gap: 16px;
  }
  .page-news__card-image {
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
  }
  .page-news__card-image img {
    width: 100%;
    height: auto;
  }
  .page-news__expand-btn {
    width: 100%;
    justify-content: center;
  }
  .page-news__guide-list li {
    font-size: 0.85rem;
    padding-left: 20px;
  }
  .page-news__more {
    padding: 32px 0 16px;
  }
}

/* 平板及以上 (768px+) */
@media (min-width: 768px) {
  .page-news__hero {
    padding: 32px 0 40px;
  }
  .page-news__title {
    font-size: 2.8rem;
  }
  .page-news__timeline {
    padding-left: 48px;
  }
  .page-news__timeline-line {
    left: 14px;
    width: 3px;
  }
  .page-news__card-dot {
    left: -48px;
    width: 24px;
    height: 24px;
    top: 32px;
  }
  .page-news__dot-inner {
    width: 10px;
    height: 10px;
  }
  .page-news__card-body {
    padding: 28px 36px;
  }
  .page-news__card-title {
    font-size: 1.6rem;
  }
  .page-news__card-content {
    flex-direction: row;
  }
  .page-news__card-image {
    width: 220px;
  }
  .page-news__card-image img {
    height: auto;
  }
}

/* 大桌面 (1024px+) */
@media (min-width: 1024px) {
  .page-news__hero {
    gap: 36px;
  }
  .page-news__hero-icon {
    width: 110px;
    height: 110px;
  }
  .page-news__hero-icon img {
    width: 110px;
    height: 110px;
  }
  .page-news__title {
    font-size: 3rem;
  }
  .page-news__timeline {
    padding-left: 56px;
  }
  .page-news__card-dot {
    left: -56px;
  }
  .page-news__card-image {
    width: 260px;
  }
}