.page-news {
  --news-rule: rgba(46, 122, 99, 0.45);
  --news-shift: 8px;
  --news-ink-warm: #3C4A45;
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  isolation: isolate;
  padding: 26px 0 10px;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 58%;
  z-index: -1;
  background: linear-gradient(162deg, var(--mk-700) 0%, rgba(14, 58, 46, 0) 82%);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 0 100%);
}

.page-news .news-crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-news .news-crumbs li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-news .news-crumbs li + li::before {
  content: "/";
  color: var(--line-300);
}

.page-news .news-crumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

.page-news .news-hero__grid {
  display: grid;
  gap: 26px;
}

.page-news .news-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--volt);
}

.page-news .news-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-stretch: condensed;
  font-size: clamp(2.4rem, 7.5vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--warm);
}

.page-news .lead {
  max-width: 620px;
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(244, 241, 232, 0.82);
}

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

/* ---------- 图片容器 ---------- */

.page-news .news-shot {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--mk-700);
}

.page-news .news-shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .news-shot--hero img {
  aspect-ratio: 15 / 9;
}

.page-news .news-shot--hero {
  clip-path: polygon(0 7%, 100% 0, 100% 100%, 0 100%);
}

.page-news .news-shot--band img {
  aspect-ratio: 14 / 5;
}

.page-news .news-shot--map img {
  aspect-ratio: 10 / 7;
}

.page-news .news-shot--topic img {
  aspect-ratio: 4 / 3;
}

/* ---------- 区块与标题 ---------- */

.page-news .news-block {
  padding: 40px 0;
}

.page-news .news-head {
  margin: 0 0 22px;
}

.page-news .news-head h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.4vw, 2.1rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--warm);
}

.page-news .news-head p {
  max-width: 660px;
  margin: 0;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .news-head a {
  color: var(--volt);
  text-decoration: none;
  border-bottom: 1px solid rgba(216, 255, 62, 0.4);
}

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

/* ---------- 置顶公告 ---------- */

.page-news .news-pin {
  padding-top: 14px;
}

.page-news .pin-grid {
  display: grid;
  gap: 16px;
}

.page-news .pin {
  position: relative;
  padding: 24px 22px 22px;
  background: linear-gradient(122deg, var(--mk-700) 0%, var(--mk-500) 100%);
  clip-path: polygon(0 0, 100% 2.5%, 100% 100%, 0 97%);
}

.page-news .pin:nth-child(even) {
  clip-path: polygon(0 2.5%, 100% 0, 100% 97%, 0 100%);
}

.page-news .pin__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--volt);
}

.page-news .pin__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1.4;
  color: var(--warm);
}

.page-news .pin__sum {
  margin: 0;
  max-width: 620px;
  line-height: 1.75;
  color: rgba(244, 241, 232, 0.8);
}

.page-news .pin__more {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid rgba(244, 241, 232, 0.18);
}

.page-news .pin__more summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--volt);
}

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

.page-news .pin__more summary::before {
  content: "+";
  font-size: 14px;
  line-height: 1;
}

.page-news .pin__more[open] summary::before {
  content: "–";
}

.page-news .pin__more p {
  max-width: 660px;
  margin: 12px 0 0;
  line-height: 1.75;
  color: rgba(244, 241, 232, 0.82);
}

/* ---------- 筛选带 ---------- */

.page-news .news-filter {
  position: sticky;
  top: var(--top-h);
  z-index: 5;
  display: flex;
  gap: 8px;
  margin: 0 0 8px;
  padding: 12px 0;
  overflow-x: auto;
  background: linear-gradient(180deg, var(--mk-900) 72%, rgba(7, 35, 28, 0));
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-filter::-webkit-scrollbar {
  display: none;
}

.page-news .news-filter__btn {
  flex: 0 0 auto;
  padding: 8px 16px;
  border: 1px solid var(--line-300);
  border-radius: 999px;
  background: transparent;
  color: var(--warm);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background-color 0.12s var(--ease), color 0.12s var(--ease),
    border-color 0.12s var(--ease), transform 0.12s var(--ease);
}

.page-news .news-filter__btn:hover {
  border-color: var(--volt);
  color: var(--volt);
}

.page-news .news-filter__btn:active {
  transform: translateY(1px);
}

.page-news .news-filter__btn:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: 2px;
}

.page-news .news-filter__btn.is-on {
  background: var(--volt);
  border-color: var(--volt);
  color: var(--char);
  font-weight: 700;
}

/* ---------- 公告条目 ---------- */

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

.page-news .ann {
  position: relative;
  padding: 20px 4px 20px 22px;
  border-top: 1px solid var(--news-rule);
  transition: transform 0.24s var(--ease);
}

.page-news .ann::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 3px;
  border-radius: 999px;
  background: var(--line-300);
}

.page-news .ann--version::before {
  background: var(--volt);
}

.page-news .ann--index::before {
  background: var(--line-300);
}

.page-news .ann--topic::before {
  background: var(--warm);
}

.page-news .ann--stage::before {
  background: var(--yellow);
}

.page-news .ann:hover,
.page-news .ann:focus-within {
  transform: translateX(var(--news-shift));
}

.page-news .ann__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-news .ann__cat {
  color: var(--volt);
}

.page-news .ann--topic .ann__cat {
  color: var(--warm);
}

.page-news .ann--stage .ann__cat {
  color: var(--yellow);
}

.page-news .ann__title {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1.5;
  color: var(--warm);
}

.page-news .ann__sum {
  margin: 0;
  max-width: 620px;
  font-size: 0.95rem;
  line-height: 1.72;
  color: var(--mist);
  transition: color 0.24s var(--ease);
}

.page-news .ann:hover .ann__sum,
.page-news .ann:focus-within .ann__sum {
  color: rgba(244, 241, 232, 0.92);
}

/* ---------- 版本刻度 ---------- */

.page-news .news-ver .news-shot--band {
  margin-bottom: 24px;
}

.page-news .verline {
  display: flex;
  gap: 16px;
  margin: 0;
  padding: 4px 0 14px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-news .verline__item {
  flex: 0 0 76%;
  scroll-snap-align: start;
  padding: 20px 20px 22px;
  border-radius: var(--r-md);
  border-top: 3px solid var(--line-300);
  background: var(--mk-700);
}

.page-news .verline__item:last-child {
  border-top-color: var(--volt);
  background: var(--mk-500);
}

.page-news .verline__v {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--volt);
}

.page-news .verline__t {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.4;
  color: var(--warm);
}

.page-news .verline__item p {
  margin: 0;
  line-height: 1.72;
  color: rgba(244, 241, 232, 0.78);
}

/* ---------- 索引更新（暖白块） ---------- */

.page-news .news-warm {
  padding: 30px 22px 32px;
  border-radius: var(--r-lg);
  background: var(--warm);
  color: var(--news-ink-warm);
}

.page-news .news-warm .news-head h2 {
  color: var(--char);
}

.page-news .news-warm .news-head p {
  color: var(--news-ink-warm);
}

.page-news .idx-grid {
  display: grid;
  gap: 22px;
  margin-bottom: 18px;
}

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

.page-news .idx-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid rgba(20, 24, 26, 0.14);
}

.page-news .idx-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-news .idx-k {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--char);
}

.page-news .idx-v {
  line-height: 1.7;
  color: var(--news-ink-warm);
}

.page-news .news-warm .news-shot {
  background: var(--mk-700);
}

.page-news .idx-note {
  margin: 0;
  line-height: 1.75;
  color: var(--news-ink-warm);
}

.page-news .idx-note a {
  color: var(--mk-500);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(20, 98, 75, 0.4);
}

.page-news .idx-note a:hover,
.page-news .idx-note a:focus-visible {
  border-bottom-color: var(--mk-500);
}

/* ---------- 专题 ---------- */

.page-news .topic-grid {
  display: grid;
  gap: 24px;
}

.page-news .topic-list {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .topic-list li {
  padding: 20px 20px 22px;
  border-radius: var(--r-md);
  background: var(--mk-700);
}

.page-news .topic-list h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--volt);
}

.page-news .topic-list p {
  margin: 0;
  line-height: 1.75;
  color: rgba(244, 241, 232, 0.8);
}

.page-news .news-shot--topic {
  border-radius: var(--r-md);
}

/* ---------- 获取路径 ---------- */

.page-news .ways {
  display: grid;
  gap: 16px;
}

.page-news .way {
  padding: 24px 22px;
  border-radius: var(--r-md);
  background: var(--mk-700);
  border-left: 3px solid var(--volt);
}

.page-news .way:nth-child(2) {
  border-left-color: var(--yellow);
}

.page-news .way__k {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .way__t {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--warm);
}

.page-news .way p {
  margin: 0 0 14px;
  line-height: 1.75;
  color: rgba(244, 241, 232, 0.8);
}

.page-news .way__mail {
  margin: 0 0 16px;
}

.page-news .way__link {
  display: inline-block;
  font-size: 0.95rem;
  color: var(--volt);
  text-decoration: none;
  border-bottom: 1px dashed rgba(216, 255, 62, 0.5);
  word-break: break-all;
}

.page-news .way__link:hover,
.page-news .way__link:focus-visible {
  border-bottom-style: solid;
}

.page-news .way .btn {
  align-self: flex-start;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-news .news-block {
    padding: 52px 0;
  }

  .page-news .pin-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .page-news .pin:nth-child(even) {
    margin-top: 26px;
  }

  .page-news .news-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 48px;
  }

  .page-news .ann:nth-child(even) {
    margin-top: 32px;
  }

  .page-news .verline {
    overflow: visible;
  }

  .page-news .verline__item {
    flex: 1 1 0;
    min-width: 0;
  }

  .page-news .idx-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: 32px;
  }

  .page-news .idx-list li {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

  .page-news .topic-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: 40px;
  }

  .page-news .ways {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

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

@media (min-width: 960px) {
  .page-news .news-hero {
    padding-top: 34px;
  }

  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 48px;
  }

  .page-news .news-shot--hero {
    transform: translateY(26px);
  }

  .page-news .news-pin {
    margin-top: -28px;
  }

  .page-news .news-lead,
  .page-news .lead {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .ann,
  .page-news .news-filter__btn,
  .page-news .ann__sum,
  .page-news .news-shot--hero {
    transition: none;
    transform: none;
  }

  .page-news .ann:hover,
  .page-news .ann:focus-within {
    transform: none;
  }
}