.page-news {
  --news-title: #F2F5F7;
  --news-text: #C3CEDA;
  --news-muted: #9AAAB6;
  --news-hair: rgba(154, 170, 182, 0.22);
  --news-hair-cu: rgba(200, 149, 47, 0.42);
  --news-rail-w: 200px;
  color: var(--news-text);
}

.page-news .section--paper {
  --news-title: #0B1B2B;
  --news-text: #33485C;
  --news-muted: #4A5A68;
  --news-hair: rgba(36, 64, 90, 0.18);
  --news-hair-cu: rgba(27, 143, 146, 0.45);
  color: var(--news-text);
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  isolation: isolate;
  padding-top: calc(var(--header-offset) + clamp(20px, 4.5vw, 52px));
  padding-bottom: clamp(28px, 5vw, 58px);
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(36, 64, 90, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(36, 64, 90, 0.55) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0.7;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.35) 62%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.35) 62%, transparent 100%);
  pointer-events: none;
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 30px);
  margin-top: clamp(18px, 3.5vw, 34px);
}

.page-news .news-hero__title {
  margin: 10px 0 0;
  font-size: clamp(42px, 9.5vw, 86px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--news-title);
}

.page-news .news-hero__kicker {
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--copper-300);
}

.page-news .news-hero__side .lede {
  margin: 0;
  max-width: 46ch;
}

.page-news .news-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(26px, 4vw, 46px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--news-hair);
  border-top: 1px solid var(--news-hair);
  border-bottom: 1px solid var(--news-hair);
}

.page-news .news-facts__cell {
  background: var(--ink-900);
  padding: 16px 16px 18px;
}

.page-news .news-facts__label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--news-muted);
}

.page-news .news-facts__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(19px, 3vw, 25px);
  line-height: 1.2;
  color: var(--copper-300);
}

/* ---------- 头条专题 ---------- */

.page-news .news-top {
  padding-block: clamp(34px, 6vw, 78px);
  border-top: 1px solid var(--news-hair);
}

.page-news .news-top__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 44px);
}

.page-news .news-top__media {
  box-shadow: inset 0 0 0 1px var(--news-hair-cu);
}

.page-news .news-top__media img,
.page-news .news-block__figure img,
.page-news .news-release__media img,
.page-news .news-region__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-news .news-top__title {
  margin: 10px 0 0;
  color: var(--news-title);
}

.page-news .news-top__desc {
  margin: 16px 0 0;
  line-height: 1.85;
  max-width: 54ch;
}

.page-news .news-top__points {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--news-hair);
}

.page-news .news-top__points li {
  position: relative;
  padding: 11px 0 11px 22px;
  border-bottom: 1px solid var(--news-hair);
  font-size: 15px;
  line-height: 1.7;
}

.page-news .news-top__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 19px;
  width: 10px;
  height: 1px;
  background: var(--copper-500);
}

.page-news .news-top__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 列表骨架与左侧标签条 ---------- */

.page-news .news-stream {
  padding-block: clamp(28px, 5vw, 64px);
  border-top: 1px solid var(--news-hair);
}

.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
}

.page-news .news-rail__title {
  margin: 0 0 4px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--copper-300);
}

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

.page-news .news-rail__link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--news-hair);
  color: var(--news-muted);
  text-decoration: none;
  font-size: 15px;
  transition: color var(--dur-fast) var(--ease), padding-left var(--dur-fast) var(--ease);
}

.page-news .news-rail__link .mono {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--copper-500);
}

.page-news .news-rail__link:hover,
.page-news .news-rail__link:focus-visible {
  color: var(--copper-300);
  padding-left: 6px;
}

.page-news .news-rail__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--news-muted);
}

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

/* ---------- 区块通用 ---------- */

.page-news .news-block {
  padding-block: clamp(28px, 5vw, 56px);
  border-top: 1px solid var(--news-hair);
  scroll-margin-top: calc(var(--header-offset) + 16px);
}

.page-news .news-block:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-news .news-block__head {
  margin-bottom: clamp(20px, 3.5vw, 34px);
}

.page-news .news-block__head .h2 {
  margin: 10px 0 0;
  color: var(--news-title);
}

.page-news .news-block__intro {
  margin: 14px 0 0;
  max-width: 62ch;
  line-height: 1.85;
}

.page-news .news-block__head--split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 34px);
  align-items: center;
}

.page-news .news-block__figure {
  box-shadow: inset 0 0 0 1px var(--news-hair);
}

.page-news .news-block__tail {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--news-muted);
}

.page-news .news-block__tail a,
.page-news .news-cta a {
  color: var(--copper-300);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .section--paper .news-block__tail a {
  color: var(--cyan-600);
}

/* ---------- 条目流 ---------- */

.page-news .news-list,
.page-news .news-timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--news-hair);
}

.page-news .entry,
.page-news .news-timeline__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 20px 0 22px;
  border-bottom: 1px solid var(--news-hair);
  transition: background-color var(--dur-fast) var(--ease);
}

.page-news .entry__label {
  margin: 0;
}

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

.page-news .entry__title {
  margin: 0;
  font-size: clamp(17px, 2.4vw, 20px);
  line-height: 1.5;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--news-title);
}

.page-news .entry__desc {
  margin: 9px 0 0;
  font-size: 15px;
  line-height: 1.8;
}

.page-news .entry__body .btn {
  margin-top: 14px;
}

.page-news .entry__time {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--news-muted);
}

.page-news .news-timeline__ver {
  margin: 0;
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--copper-300);
}

/* ---------- 版本时间轴与区域插图 ---------- */

.page-news .news-release__media,
.page-news .news-region__media {
  margin: 0 0 clamp(20px, 3.5vw, 32px);
  aspect-ratio: 2 / 1;
  box-shadow: inset 0 0 0 1px var(--news-hair-cu);
}

.page-news .news-region__media {
  aspect-ratio: 4 / 3;
}

/* ---------- 专题系列折叠 ---------- */

.page-news .news-topics {
  border-top: 1px solid var(--news-hair);
}

.page-news .news-topic {
  border-bottom: 1px solid var(--news-hair);
}

.page-news .news-topic__summary {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 12px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  transition: color var(--dur-fast) var(--ease);
}

.page-news .news-topic__summary::-webkit-details-marker {
  display: none;
}

.page-news .news-topic__summary:hover,
.page-news .news-topic__summary:focus-visible {
  color: var(--copper-300);
}

.page-news .news-topic__no {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--copper-500);
}

.page-news .news-topic__name {
  font-size: clamp(17px, 2.4vw, 20px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--news-title);
}

.page-news .news-topic__hint {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--news-muted);
}

.page-news .news-topic__body {
  padding: 0 0 22px 58px;
}

.page-news .news-topic__body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.85;
}

.page-news .news-topic__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 结尾行动区 ---------- */

.page-news .news-cta {
  padding-block: clamp(34px, 6vw, 76px);
  border-top: 1px solid var(--news-hair);
  background:
    radial-gradient(120% 120% at 88% 0%, rgba(200, 149, 47, 0.14), transparent 58%),
    radial-gradient(90% 110% at 6% 100%, rgba(47, 199, 196, 0.12), transparent 60%),
    var(--ink-700);
}

.page-news .news-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3.5vw, 40px);
  align-items: center;
}

.page-news .news-cta__text .h2 {
  margin: 0;
  color: var(--paper-050);
}

.page-news .news-cta__text p {
  margin: 14px 0 0;
  max-width: 58ch;
  line-height: 1.85;
  color: #C3CEDA;
}

.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 悬停层级 ---------- */

@media (hover: hover) {
  .page-news .entry:hover {
    background-color: rgba(20, 41, 61, 0.5);
  }

  .page-news .section--paper .entry:hover {
    background-color: rgba(36, 64, 90, 0.05);
  }
}

/* ---------- 响应式 ---------- */

@media (min-width: 680px) {
  .page-news .news-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: end;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-news .news-top__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }

  .page-news .news-block__head--split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
  }

  .page-news .entry,
  .page-news .news-timeline__item {
    grid-template-columns: 152px minmax(0, 1fr) 92px;
    align-items: start;
    gap: 28px;
    padding: 22px 0 24px;
  }

  .page-news .entry__time {
    text-align: right;
    padding-top: 2px;
  }

  .page-news .news-timeline__ver {
    padding-top: 2px;
  }

  .page-news .news-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 1000px) {
  .page-news .news-layout {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: clamp(34px, 4.5vw, 68px);
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--header-offset) + 16px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-rail__link,
  .page-news .entry,
  .page-news .news-timeline__item,
  .page-news .news-topic__summary {
    transition: none;
  }

  .page-news .news-rail__link:hover,
  .page-news .news-rail__link:focus-visible {
    padding-left: 0;
  }
}