.page-news {
  --news-rail: 260px;
  --news-gap: 48px;
  --news-cut: 16px;
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: hidden;
}

/* 首屏斜切横幅 */
.page-news .news-hero {
  position: relative;
  padding: calc(var(--header-h) + 52px) 0 64px;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), 0 100%);
  background: var(--ink-900);
}

.page-news .news-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-news .news-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
  filter: saturate(0.7) contrast(1.05);
}

.page-news .news-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 19, 15, 0.72), rgba(7, 19, 15, 0.9) 62%, var(--ink-900));
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image: linear-gradient(90deg, rgba(27, 74, 62, 0.55) 1px, transparent 1px);
  background-size: 160px 100%;
  opacity: 0.4;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mute);
  margin-bottom: 24px;
}

.page-news .breadcrumb a {
  color: var(--cyan-soft);
  text-decoration: none;
}

.page-news .breadcrumb a:hover {
  color: var(--cyan);
}

.page-news .news-hero__title {
  margin: 16px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(30px, 7.2vw, 54px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .news-hero__lead {
  margin: 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--cool);
}

/* 三个系列条带 */
.page-news .news-series {
  background: var(--ink-800);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .news-series__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
}

.page-news .news-series__item {
  background: var(--ink-800);
  padding: 24px 20px 26px;
}

.page-news .news-series__num {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-news .news-series__name {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .news-series__desc {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cool);
}

/* 主体两栏 */
.page-news .news-main {
  padding: 56px 0 72px;
}

.page-news .news-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

/* 侧栏 */
.page-news .news-rail__sticky {
  position: sticky;
  top: calc(var(--header-h) + 24px);
}

.page-news .news-rail__mark {
  display: none;
}

.page-news .news-rail__list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
}

.page-news .news-rail__list a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  color: var(--cool);
  text-decoration: none;
  transition: color 0.18s ease;
}

.page-news .news-rail__list a:hover,
.page-news .news-rail__list a:focus-visible {
  color: var(--cyan);
}

.page-news .news-rail__list .mono {
  font-size: 12px;
  color: var(--amber);
}

.page-news .news-rail__eyebrow {
  margin-top: 8px;
}

.page-news .news-rail__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
}

/* 分组 */
.page-news .news-group + .news-group {
  margin-top: 40px;
}

.page-news .news-group__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  padding-top: 8px;
}

.page-news .news-group__head::before {
  content: "";
  width: 34px;
  height: 2px;
  flex: none;
  background: var(--amber);
  transform: skewY(-6deg);
}

.page-news .news-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-news .news-group__count {
  font-size: 12px;
  color: var(--mute);
}

.page-news .news-group__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

/* 档案卡 */
.page-news .news-card {
  position: relative;
  padding: 20px;
  background: var(--ink-700);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-news .news-card::before {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 var(--news-cut) var(--news-cut) 0;
  border-color: transparent var(--ink-900) transparent transparent;
}

.page-news .news-card:hover {
  border-color: rgba(0, 229, 192, 0.45);
  transform: translateY(-2px);
}

.page-news .news-card--lead {
  padding: 24px 20px;
  background: linear-gradient(150deg, var(--ink-700), var(--ink-800));
  --news-cut: 24px;
}

.page-news .news-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.page-news .news-card__time {
  font-size: 12px;
  color: var(--amber);
  white-space: nowrap;
}

.page-news .news-card__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .news-card--lead .news-card__title {
  font-size: clamp(21px, 4.6vw, 30px);
  line-height: 1.28;
}

.page-news .news-card__excerpt {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--cool);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.page-news .news-card--lead .news-card__excerpt {
  -webkit-line-clamp: unset;
  display: block;
  overflow: visible;
}

.page-news .news-card__media {
  margin: -20px -20px 16px;
  overflow: hidden;
}

.page-news .news-card--lead .news-card__media {
  margin: -24px -20px 18px;
}

.page-news .news-card__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  opacity: 0.85;
}

.page-news .news-card__foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  margin-top: 16px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--mute);
}

/* 编辑标准：暖纸阅读区 */
.page-news .news-standard {
  padding: 64px 0;
  background-color: var(--paper);
  background-image: linear-gradient(90deg, rgba(12, 31, 25, 0.06) 1px, transparent 1px);
  background-size: 110px 100%;
  color: var(--ink-900);
}

.page-news .news-standard .eyebrow {
  color: var(--ink-700);
}

.page-news .news-standard .section-title {
  color: var(--ink-900);
}

.page-news .news-standard .section-lead {
  color: var(--ink-700);
  max-width: 46ch;
}

.page-news .news-standard__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-news .news-standard__cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-news .news-standard__col h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink-900);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--cyan);
  display: inline-block;
}

.page-news .news-standard__col ul {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.page-news .news-standard__col li {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(12, 31, 25, 0.14);
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-800);
}

.page-news .news-standard__col li::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  margin-top: 9px;
  background: var(--ink-700);
  transform: skewY(-6deg);
}

/* 底部行动区 */
.page-news .news-cta {
  position: relative;
  padding: 68px 0 80px;
  overflow: hidden;
  border-top: 1px solid var(--line);
}

.page-news .news-cta__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-news .news-cta__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
}

.page-news .news-cta__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--ink-900), rgba(7, 19, 15, 0.82));
}

.page-news .news-cta__inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.page-news .news-cta__inner .section-title {
  color: var(--paper);
}

.page-news .news-cta__lead {
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--cool);
}

.page-news .news-cta__note {
  margin: 22px 0 0;
  font-size: 13px;
  line-height: 1.9;
  color: var(--mute);
}

.page-news .news-cta__note a {
  color: var(--cyan-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-cta__note a:hover {
  color: var(--cyan);
}

.page-news .news-card:hover .news-card__excerpt {
  -webkit-line-clamp: unset;
  display: block;
  overflow: visible;
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-card,
  .page-news .news-rail__list a {
    transition: none;
  }
  .page-news .news-card:hover {
    transform: none;
  }
}

@media (min-width: 768px) {
  .page-news .news-hero {
    padding: calc(var(--header-h) + 72px) 0 96px;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 56px), 0 100%);
  }

  .page-news .news-series__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-series__item {
    padding: 30px 26px 32px;
  }

  .page-news .news-main {
    padding: 72px 0 96px;
  }

  .page-news .news-group__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-news .news-card--lead {
    grid-column: 1 / -1;
    padding: 32px;
  }

  .page-news .news-card--lead .news-card__media {
    margin: -32px -32px 22px;
  }

  .page-news .news-standard {
    padding: 88px 0;
  }

  .page-news .news-standard__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 40px;
  }

  .page-news .news-cta {
    padding: 88px 0 100px;
  }
}

@media (min-width: 1024px) {
  .page-news .news-body {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: var(--news-gap);
  }

  .page-news .news-rail__sticky {
    padding-right: 26px;
  }

  .page-news .news-rail__mark {
    display: block;
    position: absolute;
    top: 0;
    right: 0;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.36em;
    color: var(--line);
  }

  .page-news .news-rail__chips {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-news .news-standard__inner {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 56px;
    align-items: start;
  }
}