.page-news {
  --news-hero-gradient: linear-gradient(135deg, #0B1D3A 0%, #11254a 60%, #1a2f55 100%);
  --news-card-bg: rgba(255, 248, 240, 0.04);
  --news-card-hover-bg: rgba(255, 248, 240, 0.08);
  --news-thumb-clip: polygon(0 0, 100% 0, 88% 100%, 0 100%);
  --news-decor-opacity: 0.06;
  --news-gap: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  padding: 0 1rem 3rem;
  max-width: 1200px;
  margin: 0 auto;
  min-height: 80vh;
  background: var(--news-hero-gradient);
  background-attachment: fixed;
}

/* 杂志封面首屏 */
.page-news .news-hero {
  position: relative;
  padding: 2.5rem 1.5rem 3.5rem;
  border-bottom: 2px solid rgba(255, 107, 53, 0.25);
  overflow: hidden;
}
.page-news .hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--color-text-muted, #3A4A6B);
  margin-bottom: 1.5rem;
}
.page-news .hero-breadcrumb a {
  color: var(--color-primary, #FF6B35);
  text-decoration: none;
  transition: opacity var(--transition-base, 0.25s ease);
}
.page-news .hero-breadcrumb a:hover,
.page-news .hero-breadcrumb a:focus-visible {
  opacity: 0.75;
  outline: 2px solid var(--color-primary, #FF6B35);
  outline-offset: 2px;
}
.page-news .hero-breadcrumb-sep {
  color: var(--color-text-muted, #3A4A6B);
}
.page-news .hero-breadcrumb-current {
  color: var(--color-surface, #FFF8F0);
  opacity: 0.7;
}
.page-news .hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 900;
  color: var(--color-primary, #FF6B35);
  line-height: 1.05;
  margin: 0 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
}
.page-news .hero-subtitle {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: var(--color-surface, #FFF8F0);
  max-width: 540px;
  line-height: 1.6;
  margin: 0 0 1.75rem;
  opacity: 0.85;
  position: relative;
  z-index: 1;
}
.page-news .hero-index {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  position: relative;
  z-index: 1;
}
.page-news .hero-index-link {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-surface, #FFF8F0);
  text-decoration: none;
  padding: 0.35rem 0.75rem;
  border-left: 3px solid var(--color-primary, #FF6B35);
  transition: background var(--transition-base, 0.25s ease), color var(--transition-base, 0.25s ease);
}
.page-news .hero-index-link:hover,
.page-news .hero-index-link:focus-visible {
  background: var(--color-primary, #FF6B35);
  color: #0B1D3A;
  outline: none;
}
.page-news .hero-decor {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 55%;
  height: 140%;
  background: linear-gradient(-35deg, transparent 35%, rgba(255, 107, 53, 0.08) 35%, rgba(255, 107, 53, 0.08) 50%, transparent 50%, transparent 65%, rgba(255, 42, 42, 0.05) 65%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

/* 板块标题 */
.page-news .section-heading {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin: 0 0 1.5rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid rgba(255, 107, 53, 0.2);
}
.page-news .section-heading-num {
  font-family: var(--font-data);
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--color-primary, #FF6B35);
  opacity: 0.6;
  letter-spacing: 0.05em;
}
.page-news .section-heading-text {
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 700;
  color: var(--color-surface, #FFF8F0);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

/* 网格容器 */
.page-news .news-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
}

/* 文章卡片 */
.page-news .news-card {
  display: flex;
  flex-direction: column;
  background: var(--news-card-bg);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 0;
  transition: background var(--transition-base, 0.25s ease), transform var(--transition-base, 0.25s ease);
  position: relative;
  overflow: hidden;
}
.page-news .news-card:hover,
.page-news .news-card:focus-within {
  background: var(--news-card-hover-bg);
  transform: translateY(-2px);
}
.page-news .news-card.panel--cut {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

/* 缩略图区域 */
.page-news .card-thumb {
  position: relative;
  background: var(--color-primary, #FF6B35);
  clip-path: var(--news-thumb-clip);
  overflow: hidden;
  flex-shrink: 0;
  width: 100%;
  min-height: 130px;
}
.page-news .thumb-icon {
  position: absolute;
  top: 50%;
  left: 40%;
  transform: translate(-50%, -50%);
  font-size: 2.8rem;
  color: white;
  opacity: 0.12;
  pointer-events: none;
  z-index: 2;
  user-select: none;
}
.page-news .thumb-img {
  display: block;
  width: 100%;
  height: 130px;
  object-fit: cover;
  position: relative;
  z-index: 1;
  transition: transform 0.4s ease;
}
.page-news .news-card:hover .thumb-img {
  transform: scale(1.03);
}

/* 卡片正文 */
.page-news .card-body {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.9rem 1rem 1.1rem;
  flex: 1;
}
.page-news .card-title {
  font-family: var(--font-heading);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 700;
  color: var(--color-surface, #FFF8F0);
  line-height: 1.25;
  margin: 0;
}
.page-news .card-summary {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--color-surface, #FFF8F0);
  opacity: 0.7;
  line-height: 1.55;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* details 展开区域 */
.page-news .card-details {
  margin-top: 0.3rem;
}
.page-news .card-details-summary {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary, #FF6B35);
  cursor: pointer;
  padding: 0.2rem 0;
  user-select: none;
  transition: opacity var(--transition-base, 0.25s ease);
}
.page-news .card-details-summary:hover,
.page-news .card-details-summary:focus-visible {
  opacity: 0.75;
  outline: 2px solid var(--color-primary, #FF6B35);
  outline-offset: 2px;
}
.page-news .card-details-summary::-webkit-details-marker {
  display: none;
}
.page-news .card-details-summary::before {
  content: "▸ ";
  display: inline-block;
  transition: transform 0.2s ease;
}
.page-news .card-details[open] .card-details-summary::before {
  transform: rotate(90deg);
}
.page-news .card-details-content {
  padding: 0.75rem 0 0.25rem;
  border-top: 1px solid rgba(255, 107, 53, 0.12);
  margin-top: 0.4rem;
}
.page-news .card-details-content p {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-surface, #FFF8F0);
  opacity: 0.8;
  line-height: 1.6;
  margin: 0 0 0.5rem;
}
.page-news .card-details-link {
  font-size: 0.85rem;
}
.page-news .card-details-link a {
  color: var(--color-primary, #FF6B35);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: opacity var(--transition-base, 0.25s ease);
}
.page-news .card-details-link a:hover,
.page-news .card-details-link a:focus-visible {
  opacity: 0.75;
  outline: 2px solid var(--color-primary, #FF6B35);
  outline-offset: 2px;
}

/* 功能指南步骤与图片 */
.page-news .guide-step {
  margin-bottom: 0.75rem;
}
.page-news .guide-step p {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-surface, #FFF8F0);
  opacity: 0.85;
  line-height: 1.6;
  margin: 0 0 0.3rem;
}
.page-news .guide-step strong {
  color: var(--color-primary, #FF6B35);
  font-weight: 600;
}
.page-news .guide-figure {
  margin: 0.75rem 0 0;
  padding: 0;
}
.page-news .guide-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.page-news .guide-figcaption {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-text-muted, #3A4A6B);
  margin-top: 0.3rem;
  opacity: 0.6;
}

/* data-reveal 滚动显现 */
.page-news [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--reveal-duration, 0.5s) ease, transform var(--reveal-duration, 0.5s) ease;
}
.page-news [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .page-news [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .page-news .thumb-img {
    transition: none !important;
  }
  .page-news .news-card {
    transition: none !important;
  }
}

/* 无限滚动标记 —— 由JS渐进增强接管 */
.page-news [data-infinite-scroll="trigger"] {
  scroll-margin-bottom: 80vh;
}

/* 移动端优先：窄屏适配 */
@media (min-width: 640px) {
  .page-news {
    padding: 0 2rem 4rem;
    gap: 3rem;
  }
  .page-news .news-hero {
    padding: 3rem 2rem 4.5rem;
  }
  .page-news .news-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-news .card-thumb {
    min-height: 150px;
  }
  .page-news .thumb-img {
    height: 150px;
  }
  .page-news .card-body {
    padding: 1rem 1.2rem 1.3rem;
  }
}
@media (min-width: 960px) {
  .page-news {
    padding: 0 2.5rem 5rem;
    gap: 3.5rem;
  }
  .page-news .news-hero {
    padding: 3.5rem 3rem 5rem;
  }
  .page-news .news-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
  .page-news .card-thumb {
    min-height: 160px;
  }
  .page-news .thumb-img {
    height: 160px;
  }
  .page-news .hero-decor {
    width: 40%;
  }
}
@media (min-width: 1200px) {
  .page-news .news-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .page-news .news-hero {
    padding: 4rem 4rem 5.5rem;
  }
  .page-news .hero-decor {
    width: 35%;
  }
}

/* 微调：确保长文本在卡片内不溢出 */
.page-news .card-body * {
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* 切角面板的轮廓一致性 */
.page-news .panel--cut {
  position: relative;
}
.page-news .panel--cut::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 12px;
  height: 12px;
  background: var(--color-bg-dark, #0B1D3A);
  clip-path: polygon(100% 0, 0 100%, 100% 100%);
}
</style>