.page-news {
  --news-rail-w: 204px;
  background: var(--ink-900);
  color: var(--paper-100);
}

/* ---------- 面包屑 ---------- */
.page-news .news-crumb {
  padding-top: calc(var(--header-h) + 28px);
}

.page-news .news-crumb .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
}

.page-news .news-crumb .breadcrumb-item {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  color: var(--steel-400);
}

.page-news .news-crumb .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--line-strong);
}

.page-news .news-crumb .breadcrumb-item a {
  color: var(--steel-400);
  text-decoration: none;
}

.page-news .news-crumb .breadcrumb-item a:hover {
  color: var(--gold-500);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: 36px 0 56px;
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(217, 211, 198, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(217, 211, 198, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0) 78%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0) 78%);
  pointer-events: none;
}

.page-news .news-hero .container {
  position: relative;
}

.page-news .news-hero h1 {
  margin: 16px 0 20px;
  max-width: 22em;
  font-family: var(--font-display);
  font-size: clamp(30px, 5vw, 60px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--paper-100);
}

.page-news .news-hero .lede {
  max-width: 640px;
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--paper-300);
}

.page-news .hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 44px;
  margin: 36px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line-soft);
  list-style: none;
}

.page-news .hero-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-news .hero-stat-num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--gold-500);
  font-variant-numeric: tabular-nums;
}

.page-news .hero-stat-label {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--steel-400);
}

/* ---------- 主布局 ---------- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  padding-top: 48px;
}

@media (min-width: 1024px) {
  .page-news .news-layout {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }
}

/* ---------- 左侧索栏 ---------- */
.page-news .news-rail {
  min-width: 0;
}

.page-news .rail-sticky {
  display: flex;
  flex-direction: column;
}

@media (min-width: 1024px) {
  .page-news .rail-sticky {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

.page-news .rail-title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel-400);
}

.page-news .rail-title + .rail-list + .rail-title,
.page-news .rail-title + .rail-cities + .rail-title {
  margin-top: 26px;
}

.page-news .rail-list {
  display: flex;
  flex-direction: row;
  gap: 6px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-news .rail-list > li {
  flex: 0 0 auto;
}

.page-news .rail-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line-soft);
  color: var(--steel-400);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--ease), border-color var(--ease), background-color var(--ease);
}

.page-news .rail-link:hover {
  color: var(--gold-300);
  border-color: var(--line-gold);
}

.page-news .rail-link[data-active="true"] {
  color: var(--ink-900);
  background: var(--gold-500);
  border-color: var(--gold-500);
}

.page-news .rail-code {
  font-family: var(--font-mono);
  font-size: 11px;
  opacity: 0.7;
  font-variant-numeric: tabular-nums;
}

.page-news .rail-link[data-active="true"] .rail-code {
  opacity: 0.85;
}

@media (min-width: 1024px) {
  .page-news .rail-list {
    flex-direction: column;
    gap: 2px;
    overflow-x: visible;
    padding-bottom: 0;
  }

  .page-news .rail-list > li {
    flex: 0 1 auto;
  }

  .page-news .rail-link {
    display: flex;
    width: 100%;
    padding: 9px 12px;
    border: 0;
    border-left: 2px solid var(--line-soft);
    white-space: normal;
    font-size: 15px;
  }

  .page-news .rail-link:hover {
    border-left-color: var(--gold-500);
    background: rgba(201, 162, 39, 0.07);
  }

  .page-news .rail-link[data-active="true"] {
    color: var(--gold-500);
    background: rgba(201, 162, 39, 0.09);
    border-left-color: var(--gold-500);
  }
}

.page-news .rail-cities {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .rail-city {
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--steel-400);
  text-decoration: none;
  transition: color var(--ease), border-color var(--ease);
}

.page-news .rail-city:hover {
  color: var(--gold-300);
  border-color: var(--gold-500);
}

/* ---------- 内容流 ---------- */
.page-news .news-feed {
  display: flex;
  flex-direction: column;
  gap: 60px;
  min-width: 0;
}

.page-news .news-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-news .group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 24px;
  padding-bottom: 14px;
  margin-bottom: 2px;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .group-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--paper-100);
}

.page-news .group-desc {
  max-width: 46ch;
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel-400);
}

/* ---------- 条目卡片 ---------- */
.page-news .news-card {
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  transition: border-color var(--ease), background-color var(--ease);
}

.page-news .news-card:hover {
  border-color: var(--line-gold);
  background: var(--ink-700);
}

.page-news .news-card--focus {
  border-color: rgba(201, 162, 39, 0.34);
}

.page-news .news-card--focus .img-frame {
  display: block;
  margin: 0;
  aspect-ratio: 14 / 9;
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-card--focus .img-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .news-card-body {
  padding: 22px;
}

@media (min-width: 768px) {
  .page-news .news-card-body {
    padding: 28px;
  }
}

.page-news .news-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-news .news-meta .tag {
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-news .news-time {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel-400);
}

.page-news .news-time::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border: 1px solid var(--gold-500);
  transform: rotate(45deg);
}

.page-news .news-read {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--steel-400);
  opacity: 0.78;
}

.page-news .news-card-title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--paper-100);
}

.page-news .news-card--focus .news-card-title {
  font-size: clamp(20px, 2.8vw, 30px);
  line-height: 1.3;
}

.page-news .news-card-text {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--paper-300);
}

.page-news .news-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  padding-bottom: 2px;
  font-size: 13.5px;
  color: var(--gold-500);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 162, 39, 0.35);
  transition: color var(--ease), border-color var(--ease);
}

.page-news .news-link::after {
  content: "→";
  font-family: var(--font-mono);
}

.page-news .news-link:hover {
  color: var(--gold-300);
  border-bottom-color: var(--gold-300);
}

/* 横图条目 */
@media (min-width: 768px) {
  .page-news .news-card--feature {
    display: flex;
    align-items: stretch;
  }

  .page-news .news-card--feature .img-frame {
    flex: 0 0 42%;
    min-height: 220px;
    margin: 0;
    aspect-ratio: auto;
    overflow: hidden;
    border-right: 1px solid var(--line-soft);
  }

  .page-news .news-card--feature .img-frame img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .page-news .news-card--feature .news-card-body {
    flex: 1 1 auto;
    min-width: 0;
  }
}

@media (max-width: 767px) {
  .page-news .news-card--feature .img-frame {
    display: block;
    margin: 0;
    aspect-ratio: 3 / 2;
    overflow: hidden;
    border-bottom: 1px solid var(--line-soft);
  }

  .page-news .news-card--feature .img-frame img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
}

/* 卡片内公共图片约束 */
.page-news .news-card .img-frame img {
  max-width: 100%;
}

/* ---------- 专题系列 ---------- */
.page-news .series-section {
  margin-top: 72px;
  padding: 64px 0 72px;
  background: var(--paper-100);
  color: var(--ink-on-paper);
}

.page-news .series-head {
  max-width: 640px;
}

.page-news .series-section .eyebrow {
  color: var(--copper-600);
}

.page-news .series-section .section-title {
  margin: 12px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--ink-900);
}

.page-news .series-section .section-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted-on-paper);
}

.page-news .series-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 34px;
  background: var(--paper-300);
  border: 1px solid var(--paper-300);
}

@media (min-width: 640px) {
  .page-news .series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-news .series-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 22px;
  background: var(--paper-100);
  transition: background-color var(--ease);
}

.page-news .series-card:hover {
  background: #FFFFFF;
}

.page-news .series-code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--copper-600);
}

.page-news .series-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.02em;
  color: var(--ink-900);
}

.page-news .series-desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted-on-paper);
}

.page-news .series-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 4px 0 0;
  padding: 12px 0 0;
  list-style: none;
  border-top: 1px solid var(--paper-300);
}

.page-news .series-meta li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  font-size: 12.5px;
}

.page-news .sm-k {
  color: var(--muted-on-paper);
}

.page-news .sm-v {
  font-family: var(--font-mono);
  color: var(--ink-900);
  font-variant-numeric: tabular-nums;
}

.page-news .series-link {
  margin-top: auto;
  padding-top: 12px;
  font-size: 13.5px;
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 1px solid var(--copper-600);
  align-self: flex-start;
  transition: color var(--ease), border-color var(--ease);
}

.page-news .series-link:hover {
  color: var(--copper-600);
  border-bottom-color: var(--gold-500);
}

/* ---------- 更新提示 ---------- */
.page-news .update-section {
  padding-bottom: 72px;
}

.page-news .update-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

@media (min-width: 900px) {
  .page-news .update-box {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
}

.page-news .update-panel {
  padding: 30px 24px;
  background: var(--ink-800);
}

@media (min-width: 768px) {
  .page-news .update-panel {
    padding: 36px 32px;
  }
}

.page-news .update-panel--side {
  background: var(--ink-900);
}

.page-news .update-panel .eyebrow {
  color: var(--gold-500);
}

.page-news .update-title {
  margin: 12px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.8vw, 30px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.04em;
  color: var(--paper-100);
}

.page-news .update-title--sm {
  font-size: clamp(19px, 2.2vw, 24px);
}

.page-news .update-text {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--paper-300);
}

.page-news .rhythm-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-news .rhythm-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14.5px;
}

.page-news .rhythm-name {
  color: var(--paper-100);
}

.page-news .rhythm-value {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold-500);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.page-news .update-panel .btn {
  margin-top: 8px;
}

.page-news .update-foot {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--steel-400);
}

.page-news .update-inline {
  color: var(--gold-500);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 162, 39, 0.35);
}

.page-news .update-inline:hover {
  color: var(--gold-300);
  border-bottom-color: var(--gold-300);
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-card,
  .page-news .rail-link,
  .page-news .rail-city,
  .page-news .news-link,
  .page-news .series-card,
  .page-news .series-link {
    transition: none;
  }
}