.page-news {
  --pn-line: rgba(42, 53, 80, 0.9);
  --pn-line-soft: rgba(42, 53, 80, 0.55);
  --pn-card: rgba(14, 21, 38, 0.72);
  display: block;
  padding-bottom: 96px;
}

.page-news .breadcrumb {
  padding: 22px 0 4px;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--text-mute);
}

.page-news .breadcrumb a {
  color: var(--text-mute);
  text-decoration: none;
  transition: color var(--t-fast) ease;
}

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

.page-news .breadcrumb span[aria-hidden] {
  margin: 0 8px;
  color: var(--text-faint);
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 64px;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -160px;
  right: -180px;
  width: min(760px, 86vw);
  height: 560px;
  background: var(--grad);
  opacity: 0.14;
  filter: blur(72px);
  transform: rotate(-9deg);
  pointer-events: none;
  z-index: 0;
}

.page-news .news-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  align-items: center;
}

.page-news .news-hero__title {
  margin: 12px 0 18px;
  font-size: clamp(2.05rem, 8.4vw, 4.1rem);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.025em;
  overflow-wrap: break-word;
}

.page-news .news-hero__lead {
  margin: 0;
  max-width: 56ch;
  font-size: 1.02rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-news .news-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 26px 40px;
  margin: 34px 0 0;
  padding: 24px 0 0;
  list-style: none;
  border-top: 1px solid var(--pn-line);
}

.page-news .news-hero__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(1.55rem, 5vw, 2.1rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--green);
  transform: skewX(-4deg);
}

.page-news .news-hero__label {
  display: block;
  margin-top: 6px;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--text-mute);
}

.page-news .news-hero__figure {
  position: relative;
  margin: 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--pn-line);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.page-news .news-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(61, 139, 255, 0.18) 0%, rgba(7, 11, 22, 0) 58%);
  pointer-events: none;
}

.page-news .news-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
}

/* ---------- 栏目分工 ---------- */

.page-news .news-columns {
  padding: 12px 0 72px;
}

.page-news .news-columns .section-title,
.page-news .news-catalog .section-title,
.page-news .news-origin .section-title,
.page-news .news-path .section-title,
.page-news .news-recall .section-title {
  margin: 8px 0 0;
  font-size: clamp(1.5rem, 4.8vw, 2.3rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.26;
}

.page-news .news-columns__lead {
  margin: 14px 0 0;
  max-width: 54ch;
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-news .news-columns__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 34px;
  background: var(--pn-line);
  border: 1px solid var(--pn-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-news .news-column {
  background: var(--ink);
  padding: 26px 22px 30px;
  transition: background var(--t-fast) ease, box-shadow var(--t-fast) ease;
}

.page-news .news-column:hover {
  background: var(--ink-2);
  box-shadow: inset 0 -2px 0 0 var(--green);
}

.page-news .news-column__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--text-faint);
}

.page-news .news-column__name {
  margin: 12px 0 10px;
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-news .news-column__desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--text-soft);
}

/* ---------- 栏目索引 + 篇目 ---------- */

.page-news .news-catalog {
  padding: 0 0 76px;
}

.page-news .news-catalog__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}

.page-news .news-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 10px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-index__item {
  padding: 8px 2px 8px 12px;
  font-size: 0.92rem;
  color: var(--text-mute);
  border-left: 2px solid transparent;
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease;
}

.page-news .news-index__item:hover {
  color: var(--white);
  border-left-color: var(--blue);
}

.page-news .news-index__item.is-active {
  color: var(--white);
  border-left-color: var(--green);
}

.page-news .news-feed__list {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pn-line-soft);
}

.page-news .news-item {
  padding: 20px 0 22px;
  border-bottom: 1px solid var(--pn-line-soft);
}

.page-news .news-item__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 10px;
}

.page-news .news-item__tag {
  display: inline-block;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  border: 1px solid var(--steel);
  color: var(--text-soft);
  transition: border-color var(--t-fast) ease, color var(--t-fast) ease;
}

.page-news .news-item__tag--observe {
  color: var(--blue);
  border-color: rgba(61, 139, 255, 0.42);
}

.page-news .news-item__tag--rule {
  color: var(--amber);
  border-color: rgba(255, 194, 77, 0.42);
}

.page-news .news-item__tag--data {
  color: var(--green);
  border-color: rgba(77, 240, 138, 0.42);
}

.page-news .news-item__tag--team {
  color: var(--orange);
  border-color: rgba(255, 122, 47, 0.42);
}

.page-news .news-item__time {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--text-faint);
}

.page-news .news-item__title {
  display: inline-block;
  margin: 0 0 8px;
  font-size: clamp(1.2rem, 4.6vw, 1.78rem);
  font-weight: 300;
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--white);
  overflow-wrap: break-word;
  transition: transform var(--t-fast) ease, color var(--t-fast) ease;
}

.page-news .news-item__title::after {
  content: "→";
  display: inline-block;
  margin-left: 10px;
  font-size: 0.82em;
  color: var(--green);
  opacity: 0;
  transform: translateX(-7px);
  transition: opacity var(--t-fast) ease, transform var(--t-fast) ease;
}

.page-news .news-item:hover .news-item__title {
  transform: translateX(2px);
  color: var(--green);
}

.page-news .news-item:hover .news-item__title::after {
  opacity: 1;
  transform: translateX(0);
}

.page-news .news-item__sum {
  margin: 0;
  max-width: 60ch;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-news .news-feed__more {
  margin: 24px 0 0;
  padding: 18px 20px;
  border-left: 2px solid var(--blue);
  background: var(--pn-card);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--text-soft);
}

.page-news .news-feed__more a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 139, 255, 0.4);
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease;
}

.page-news .news-feed__more a:hover,
.page-news .news-feed__more a:focus-visible {
  color: var(--green);
  border-color: var(--green);
}

/* ---------- 选题来源 ---------- */

.page-news .news-origin {
  padding: 0 0 76px;
}

.page-news .news-origin__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.page-news .news-origin__copy p {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-news .news-origin__link {
  font-size: 0.88rem !important;
  color: var(--text-mute) !important;
}

.page-news .news-origin__link a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 194, 77, 0.4);
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease;
}

.page-news .news-origin__link a:hover,
.page-news .news-origin__link a:focus-visible {
  color: var(--green);
  border-color: var(--green);
}

.page-news .news-origin__figure {
  position: relative;
  margin: 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--pn-line);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

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

/* ---------- 阅读路径 ---------- */

.page-news .news-path {
  padding: 0 0 76px;
}

.page-news .news-path__lead {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-news .news-path__stage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 36px;
  padding: 28px 20px;
  border: 1px solid var(--pn-line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(150deg, rgba(61, 139, 255, 0.09) 0%, rgba(7, 11, 22, 0) 46%),
    var(--pn-card);
}

.page-news .news-path__figure {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--pn-line-soft);
}

.page-news .news-path__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-news .news-path__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .path-node circle {
  transition: stroke var(--t-fast) ease, stroke-width var(--t-fast) ease, r var(--t-fast) ease;
}

.page-news .path-node:hover circle {
  stroke-width: 2.6;
}

.page-news .path-node__title {
  font-family: var(--font-sans);
  font-size: 19px;
  font-weight: 600;
  fill: var(--white);
}

.page-news .path-node__meta {
  font-family: var(--font-sans);
  font-size: 14px;
  fill: rgba(242, 246, 255, 0.5);
}

/* ---------- 回看与检索 ---------- */

.page-news .news-recall {
  padding: 0 0 24px;
}

.page-news .news-recall__lead {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-news .news-recall__ways {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 34px;
  background: var(--pn-line);
  border: 1px solid var(--pn-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-news .recall-way {
  display: block;
  padding: 24px 22px 26px;
  background: var(--ink);
  text-decoration: none;
  color: inherit;
  transition: background var(--t-fast) ease, box-shadow var(--t-fast) ease;
}

.page-news .recall-way:hover,
.page-news .recall-way:focus-visible {
  background: var(--ink-2);
  box-shadow: inset 0 2px 0 0 var(--orange);
}

.page-news .recall-way__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--text-faint);
}

.page-news .recall-way__label {
  display: block;
  margin: 12px 0 8px;
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--white);
  transition: color var(--t-fast) ease;
}

.page-news .recall-way:hover .recall-way__label,
.page-news .recall-way:focus-visible .recall-way__label {
  color: var(--orange);
}

.page-news .recall-way__desc {
  display: block;
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--text-mute);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-news .news-columns__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-news .news-hero__stats {
    gap: 30px 56px;
  }
}

@media (min-width: 860px) {
  .page-news .news-hero {
    padding: 34px 0 78px;
  }

  .page-news .news-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 52px;
  }

  .page-news .news-origin__grid {
    grid-template-columns: 1.08fr 0.92fr;
    gap: 52px;
  }

  .page-news .news-path__stage {
    grid-template-columns: 300px 1fr;
    gap: 40px;
    align-items: center;
    padding: 34px 32px;
  }

  .page-news .news-recall__ways {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 980px) {
  .page-news .news-columns__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-news .news-catalog__grid {
    grid-template-columns: 194px 1fr;
    gap: 52px;
  }

  .page-news .news-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    margin-top: 18px;
  }

  .page-news .news-index__item {
    padding: 11px 0 11px 16px;
  }

  .page-news .news-recall__ways {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item__title,
  .page-news .news-item__title::after,
  .page-news .recall-way,
  .page-news .news-column {
    transition: none;
  }

  .page-news .news-item:hover .news-item__title {
    transform: none;
  }
}