/* ============ 数据专题页 · page-news ============ */

.page-news {
  display: block;
  background: var(--color-surface);
  color: var(--color-ink);
}

/* ---------- 首屏封面 ---------- */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.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;
  filter: grayscale(1);
  opacity: 0.42;
}

.page-news .news-hero__scrim {
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
}

.page-news .news-hero__axis {
  position: absolute;
  z-index: 1;
  left: 0;
  right: 0;
  top: 46%;
  height: var(--border-thick);
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--color-primary) 10%,
    var(--color-primary) 90%,
    transparent 100%
  );
  opacity: 0.85;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: var(--space-6);
  padding-block: var(--space-8) var(--space-4);
}

.page-news .news-hero__lead {
  min-width: 0;
}

/* 面包屑 */
.page-news .news-crumbs ol {
  list-style: none;
  margin: 0 0 var(--space-2);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
}

.page-news .news-crumbs li {
  display: inline-flex;
  align-items: center;
}

.page-news .news-crumbs li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--color-contrast-line);
}

.page-news .news-crumbs a {
  color: var(--color-contrast-ink);
  text-decoration: none;
  border-bottom: 1px dotted var(--color-contrast-line);
  padding-bottom: 1px;
}

.page-news .news-crumbs a:hover,
.page-news .news-crumbs a:focus-visible {
  color: var(--color-contrast-accent);
  border-bottom-color: var(--color-contrast-accent);
}

.page-news .news-crumbs [aria-current] {
  color: var(--color-contrast-ink);
  opacity: 0.68;
}

/* 深色区里的等宽标签统一转浅 */
.page-news .news-hero .label-mono,
.page-news .news-follow .label-mono {
  color: var(--color-contrast-ink);
  opacity: 0.72;
}

.page-news .news-hero__kicker {
  margin: 0;
  letter-spacing: 0.16em;
}

.page-news .news-hero__title {
  margin: var(--space-2) 0 0;
  max-width: 18ch;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-display);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-news .news-hero__dek {
  margin: var(--space-3) 0 0;
  max-width: 46ch;
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-contrast-ink);
  opacity: 0.86;
}

.page-news .news-hero__facts {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-6);
  border-top: 1px dotted var(--color-contrast-line);
  padding-top: var(--space-3);
}

.page-news .news-hero .stat__value {
  color: var(--color-contrast-ink);
}

.page-news .news-hero .stat__label {
  color: var(--color-contrast-ink);
  opacity: 0.68;
}

/* 专题索引 */
.page-news .news-index {
  min-width: 0;
  padding: var(--space-2);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--color-contrast-surface) 58%, transparent);
  backdrop-filter: blur(2px);
}

.page-news .news-index__cap {
  margin: 0 0 var(--space-1);
  padding: 4px 4px 0;
  letter-spacing: 0.16em;
}

.page-news .news-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-news .news-index__item + .news-index__item {
  border-top: 1px dotted var(--color-contrast-line);
}

.page-news .news-index__link {
  display: grid;
  grid-template-columns: 2.4em minmax(0, 1fr);
  gap: var(--space-1);
  align-items: baseline;
  padding: 7px 6px;
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-contrast-ink);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: background-color 180ms ease, color 180ms ease;
}

.page-news .news-index__link:hover,
.page-news .news-index__link:focus-visible {
  background: color-mix(in srgb, var(--color-primary) 34%, transparent);
  color: var(--color-primary-ink);
}

.page-news .news-index__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-contrast-accent);
}

/* 首屏底部方向条 */
.page-news .news-hero__directions {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-1) var(--space-3);
  padding-block: var(--space-2) var(--space-4);
  border-top: 1px dotted var(--color-contrast-line);
}

.page-news .news-hero__directions > .label-mono {
  margin: 0;
  letter-spacing: 0.16em;
}

.page-news .news-hero__directions ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-3);
}

.page-news .news-hero__directions li {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-contrast-ink);
  opacity: 0.84;
}

.page-news .news-hero__directions li::before {
  content: "";
  width: 6px;
  height: 6px;
  margin-right: 7px;
  border-radius: var(--radius-sm);
  background: var(--color-contrast-accent);
}

/* ---------- 正文区块 ---------- */
.page-news .news-section {
  position: relative;
  padding-block: var(--section-y);
  border-top: 1px dotted var(--color-line);
}

.page-news .news-section--tint {
  background: var(--color-surface-alt);
}

.page-news .news-section__head {
  margin: 0 0 var(--space-4);
}

.page-news .news-section__head h2 {
  margin: var(--space-1) 0 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-news .news-section__head h2::after {
  content: "";
  display: block;
  width: 52px;
  height: 3px;
  margin-top: var(--space-1);
  border-radius: var(--radius-pill);
  background: var(--color-accent);
}

.page-news .news-section__lede {
  margin: var(--space-2) 0 0;
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-ink-soft);
}

/* 图片 */
.page-news .news-figure {
  --fig-ratio: 16 / 9;
  margin: 0 0 var(--space-4);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-deep);
  box-shadow: var(--shadow-1);
}

.page-news .news-figure--3x2 {
  --fig-ratio: 3 / 2;
}

.page-news .news-figure--25x16 {
  --fig-ratio: 25 / 16;
}

.page-news .news-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: var(--fig-ratio);
  object-fit: cover;
  filter: grayscale(0.5) contrast(1.04);
}

.page-news .news-figure figcaption {
  padding: 7px var(--space-2);
  border-top: 1px dotted var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

/* 专题卡片组 */
.page-news .news-topics {
  display: grid;
  gap: var(--space-3);
}

.page-news .news-topic {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--space-3);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-left: var(--border-thick) solid var(--color-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
}

.page-news .news-topic--event {
  border-left-color: var(--color-accent);
}

.page-news .news-topic__top {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-2);
}

.page-news .news-topic__ord {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--color-primary);
}

.page-news .news-topic__ord::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 9px;
  border-radius: 50%;
  background: var(--color-primary);
}

.page-news .news-topic--event .news-topic__ord {
  color: var(--color-accent);
}

.page-news .news-topic--event .news-topic__ord::before {
  border-radius: 1px;
  background: var(--color-accent);
}

.page-news .news-topic__meta {
  letter-spacing: 0.12em;
}

.page-news .news-topic__title {
  margin: var(--space-2) 0 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-news .news-topic__dek {
  margin: var(--space-1) 0 0;
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.page-news .news-topic__dek .keymark {
  padding: 1px 4px;
}

.page-news .news-topic__points {
  list-style: none;
  margin: var(--space-2) 0 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-news .news-topic__points li {
  position: relative;
  padding-left: 18px;
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--color-ink-soft);
}

.page-news .news-topic__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 9px;
  height: var(--border-thick);
  background: var(--color-primary);
}

.page-news .news-topic--event .news-topic__points li::before {
  background: var(--color-accent);
}

/* 相关条目折叠 */
.page-news .news-topic__more {
  margin-top: var(--space-2);
  padding-top: var(--space-1);
  border-top: 1px dotted var(--color-line);
}

.page-news .news-topic__more > summary {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-primary);
  padding: 4px 0;
}

.page-news .news-topic__more > summary::-webkit-details-marker {
  display: none;
}

.page-news .news-topic__more > summary::before {
  content: "+";
  flex: none;
  width: 1.2em;
  text-align: center;
  border: var(--border-thin) solid currentColor;
  border-radius: var(--radius-sm);
  line-height: 1.2;
}

.page-news .news-topic__more[open] > summary::before {
  content: "\2212";
}

.page-news .news-topic__more > summary:hover {
  color: var(--color-accent);
}

.page-news .news-topic__entries {
  list-style: none;
  margin: var(--space-1) 0 0;
  padding: 0;
  display: grid;
}

.page-news .news-topic__entries li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2px var(--space-2);
  align-items: baseline;
  padding: 8px 0;
  border-bottom: 1px dotted var(--color-line);
  font-size: var(--text-sm);
  color: var(--color-ink);
}

.page-news .news-topic__entries li:last-child {
  border-bottom: 0;
}

.page-news .news-topic__entries .label-mono {
  text-align: right;
  letter-spacing: 0.1em;
}

.page-news .news-topic__extend {
  margin: auto 0 0;
  padding-top: var(--space-2);
  font-size: var(--text-sm);
}

.page-news .news-topic__extend a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid
    color-mix(in srgb, var(--color-primary) 45%, transparent);
  padding-bottom: 1px;
}

.page-news .news-topic__extend a::after {
  content: " \2192";
  font-family: var(--font-mono);
}

.page-news .news-topic__extend a:hover,
.page-news .news-topic__extend a:focus-visible {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ---------- 追读入口 ---------- */
.page-news .news-follow {
  padding-block: var(--section-y-lg);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-news .news-follow__head {
  max-width: var(--measure);
}

.page-news .news-follow__head h2 {
  margin: var(--space-1) 0 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-news .news-follow__lede {
  margin: var(--space-2) 0 0;
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-contrast-ink);
  opacity: 0.84;
}

.page-news .news-follow__ways {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-news .news-follow__ways > li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-2);
  align-items: start;
  padding: var(--space-2) var(--space-3);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-contrast-surface) 70%, transparent);
  transition: border-color 180ms ease;
}

.page-news .news-follow__ways > li:hover {
  border-color: var(--color-contrast-accent);
}

.page-news .news-follow__num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  color: var(--color-contrast-accent);
  padding-top: 2px;
}

.page-news .news-follow__way {
  min-width: 0;
}

.page-news .news-follow__way-title {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.3;
  color: var(--color-contrast-ink);
}

.page-news .news-follow__way-desc {
  margin: 6px 0 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-contrast-ink);
  opacity: 0.76;
}

.page-news .news-follow__way a {
  display: inline-block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-contrast-accent);
  padding-bottom: 1px;
}

.page-news .news-follow__way a:hover,
.page-news .news-follow__way a:focus-visible {
  color: var(--color-contrast-accent);
}

.page-news .news-follow__note {
  margin: var(--space-4) 0 0;
  padding-top: var(--space-2);
  border-top: 1px dotted var(--color-contrast-line);
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-contrast-ink);
  opacity: 0.78;
}

.page-news .news-follow__note a {
  color: var(--color-contrast-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--color-contrast-accent);
}

.page-news .news-follow__note a:hover,
.page-news .news-follow__note a:focus-visible {
  color: var(--color-contrast-accent);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-hero__facts {
    gap: var(--space-4) var(--space-8);
  }

  .page-news .news-figure--offset {
    max-width: 560px;
    margin-left: auto;
  }
}

@media (min-width: 860px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.92fr);
    align-items: start;
    gap: var(--space-8);
    padding-block: var(--section-y-lg) var(--space-6);
  }

  .page-news .news-index {
    margin-top: var(--space-4);
  }

  .page-news .news-topics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
  }

  .page-news .news-follow__ways {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
  }

  .page-news .news-section {
    padding-block: var(--section-y-lg);
  }
}

@media (min-width: 1100px) {
  .page-news .news-topic {
    padding: var(--space-4);
  }

  .page-news .news-follow__ways > li {
    padding: var(--space-3);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-index__link,
  .page-news .news-follow__ways > li {
    transition: none;
  }
}