.page-news {
  --color-primary: #FF4500;
  --color-primary-hover: #E03D00;
  --color-primary-light: #FF6600;
  --color-dark: #1A1A1A;
  --color-light: #F5F5F5;
  --color-green: #00CC66;
  --color-red: #FF3333;
  --color-gray: #CCCCCC;
  --color-gray-soft: #E0E0E0;
  --font-heading: 'Helvetica Neue', '黑体', sans-serif;
  --font-body: 'Helvetica Neue', '微软雅黑', sans-serif;
  --container-max: 1200px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 30px;
  --transition: 0.25s ease;
}

/* 面包屑 */
.page-news .breadcrumb {
  padding: 20px 16px 0;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 300;
  letter-spacing: 0.02em;
  color: var(--color-gray);
}
.page-news .breadcrumb a {
  color: var(--color-gray);
  text-decoration: none;
  transition: color var(--transition);
}
.page-news .breadcrumb a:hover {
  color: var(--color-primary);
}
.page-news .breadcrumb span[aria-current="page"] {
  color: var(--color-primary);
  font-weight: 400;
}

/* 首屏区 */
.page-news__hero {
  position: relative;
  padding: 60px 16px 40px;
  background: var(--color-dark);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.page-news__hero-index {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 72px;
  font-weight: 100;
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.35;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}
.page-news__hero-title {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 100;
  line-height: 1.15;
  color: var(--color-light);
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  max-width: 680px;
}
.page-news__hero-desc {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.5;
  color: var(--color-gray);
  margin: 0 0 24px;
  max-width: 520px;
}
.page-news__hero-visual {
  width: 100%;
  max-width: 800px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 12px;
}
.page-news__hero-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* 时间轴容器 */
.page-news__timeline {
  position: relative;
  padding: 48px 16px 80px;
  max-width: var(--container-max);
  margin: 0 auto;
}
/* 垂直线条 */
.page-news__timeline-line {
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-dark);
  opacity: 0.15;
  z-index: 0;
}

/* 每一则条目 */
.page-news__entry {
  position: relative;
  z-index: 1;
  margin-bottom: 56px;
  padding-left: 68px;
}
.page-news__entry:last-child {
  margin-bottom: 0;
}

/* 火焰橙圆点 */
.page-news__entry-dot {
  position: absolute;
  left: 12px;
  top: 8px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 0 0 4px rgba(255, 69, 0, 0.15);
  z-index: 2;
}
.page-news__entry-dot:hover,
.page-news__entry-dot:focus-visible {
  transform: scale(1.22);
  box-shadow: 0 0 0 8px rgba(255, 69, 0, 0.25);
  outline: none;
}
.page-news__entry-dot-inner {
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-light);
}

/* 卡片 */
.page-news__entry-card {
  background: var(--color-light);
  border: 1px solid var(--color-gray-soft);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 20px 20px 28px;
  transition: box-shadow var(--transition);
}
.page-news__entry-card:hover {
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
}

.page-news__entry-index {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 100;
  color: var(--color-primary);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}
.page-news__entry-heading {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 100;
  line-height: 1.2;
  color: var(--color-dark);
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}
.page-news__entry-meta {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 300;
  color: var(--color-gray);
  margin: 0 0 12px;
  letter-spacing: 0.04em;
}
.page-news__entry-text {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 300;
  line-height: 1.65;
  color: var(--color-dark);
  margin: 0 0 18px;
  max-width: 680px;
}

/* 条目内图片 */
.page-news__entry-visual {
  margin: 14px 0 18px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  max-width: 100%;
}
.page-news__entry-visual--small {
  max-width: 200px;
}
.page-news__entry-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: inherit;
}
.page-news__entry-img--round {
  border-radius: 50%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-news__entry-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  padding: 8px 20px;
  border-radius: var(--radius-lg);
  transition: background var(--transition), color var(--transition), border var(--transition);
}
.page-news .btn--primary {
  background: var(--color-primary);
  color: var(--color-light);
  border: none;
}
.page-news .btn--primary:hover {
  background: var(--color-primary-hover);
}
.page-news .btn--ghost {
  background: transparent;
  color: var(--color-dark);
  border: 1px solid var(--color-dark);
}
.page-news .btn--ghost:hover {
  background: var(--color-dark);
  color: var(--color-light);
}

/* 窄屏适配（移动优先） */
@media (max-width: 767px) {
  .page-news__hero {
    padding: 48px 16px 32px;
  }
  .page-news__hero-index {
    font-size: 56px;
  }
  .page-news__hero-title {
    font-size: 26px;
  }
  .page-news__hero-visual {
    max-width: 100%;
    border-radius: var(--radius-sm);
  }
  .page-news__timeline {
    padding: 28px 12px 60px;
  }
  .page-news__entry {
    padding-left: 52px;
    margin-bottom: 44px;
  }
  .page-news__entry-dot {
    left: 6px;
    width: 28px;
    height: 28px;
  }
  .page-news__entry-card {
    padding: 14px 14px 20px;
  }
  .page-news__entry-heading {
    font-size: 20px;
  }
  .page-news__entry-text {
    font-size: 14px;
  }
  .page-news__entry-visual {
    max-width: 100%;
  }
  .page-news__entry-visual--small {
    max-width: 140px;
  }
  .page-news__timeline-line {
    left: 20px;
  }
}

@media (min-width: 768px) {
  .page-news__hero {
    padding: 80px 40px 56px;
  }
  .page-news__hero-title {
    font-size: 48px;
  }
  .page-news__timeline {
    padding: 60px 40px 100px;
  }
  .page-news__entry {
    padding-left: 88px;
    margin-bottom: 64px;
  }
  .page-news__entry-dot {
    left: 24px;
    top: 12px;
    width: 36px;
    height: 36px;
  }
  .page-news__entry-card {
    padding: 28px 32px 36px;
  }
  .page-news__entry-heading {
    font-size: 30px;
  }
  .page-news__timeline-line {
    left: 42px;
  }
}