.page-news {
  --news-cut: 18px;
  --news-cut-sm: 14px;
  --news-gap: clamp(28px, 4vw, 56px);
  background: var(--ink-950);
  color: var(--snow-300);
  overflow-x: clip;
}

.page-news img {
  max-width: 100%;
}

/* ===== 面包屑 ===== */
.page-news .breadcrumbs {
  padding-top: clamp(18px, 2.6vw, 30px);
}

/* ===== 首屏 ===== */
.page-news .news-masthead {
  position: relative;
  margin-top: clamp(16px, 2.4vw, 28px);
  padding: clamp(36px, 5.6vw, 76px) 0 clamp(56px, 8vw, 96px);
  background:
    radial-gradient(118% 132% at 88% 6%, rgba(255, 90, 31, 0.18), transparent 56%),
    radial-gradient(92% 120% at 4% 100%, rgba(27, 79, 143, 0.38), transparent 62%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-950) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 48px));
}

.page-news .news-masthead__inner {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-news .news-masthead__kicker {
  margin: 0 0 16px;
  color: var(--sand-400);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-news .news-masthead__title {
  margin: 0;
  color: #ffffff;
  line-height: 0.96;
}

.page-news .news-masthead__text {
  margin: clamp(20px, 2.4vw, 28px) 0 0;
  max-width: 54ch;
  color: var(--snow-300);
}

.page-news .news-masthead__aside {
  align-self: end;
}

.page-news .news-masthead__aside-note {
  margin: 0;
  padding-left: 18px;
  border-left: 1px solid var(--line-strong);
  color: var(--snow-300);
  max-width: 40ch;
}

.page-news .news-masthead__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ===== 主体双栏 ===== */
.page-news .news-layout {
  display: grid;
  gap: clamp(32px, 5vw, 44px);
  padding-block: clamp(44px, 6vw, 76px) clamp(64px, 9vw, 120px);
}

/* ===== 栏目索引 ===== */
.page-news .news-index__title {
  margin: 0 0 14px;
  color: var(--sand-400);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-news .news-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .news-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 10px 11px 14px;
  border-left: 2px solid var(--line-soft);
  color: var(--snow-300);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  transition: border-color var(--ease), background-color var(--ease), padding-left var(--ease), color var(--ease);
}

.page-news .news-index__link:hover,
.page-news .news-index__link:focus-visible {
  border-left-color: var(--flame-500);
  background: rgba(255, 90, 31, 0.09);
  padding-left: 18px;
  color: #ffffff;
}

.page-news .news-index__num {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--sand-400);
}

.page-news .news-index__label {
  flex: 1 1 auto;
}

.page-news .news-index__count {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  padding: 1px 7px;
  border: 1px solid var(--line-soft);
  color: var(--snow-300);
}

/* ===== 分区基础 ===== */
.page-news .news-section {
  padding: 0;
  scroll-margin-top: 108px;
}

.page-news .news-section__head {
  margin-bottom: clamp(24px, 3.4vw, 40px);
  max-width: 62ch;
}

.page-news .news-section__kicker {
  margin: 0 0 12px;
  color: var(--sand-400);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-news .news-section__title {
  margin: 0;
  color: #ffffff;
}

.page-news .news-section__lead {
  margin: 16px 0 0;
  color: var(--snow-300);
}

.page-news .news-divider {
  height: 1px;
  margin: clamp(48px, 7vw, 88px) 0;
  background-image: linear-gradient(90deg, var(--line-strong) 0 6px, transparent 6px 17px);
  background-size: 17px 1px;
  background-repeat: repeat-x;
}

/* ===== 首条专题 ===== */
.page-news .lead-story {
  position: relative;
  display: grid;
  margin-bottom: clamp(24px, 3vw, 36px);
  background: linear-gradient(150deg, var(--ink-900) 0%, #061426 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-news .lead-story__media {
  position: relative;
  min-height: 220px;
  aspect-ratio: 16 / 10;
  background: var(--ink-700);
}

.page-news .lead-story__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .lead-story__body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  justify-content: center;
  padding: clamp(24px, 3.4vw, 40px);
}

.page-news .lead-story__kicker {
  margin: 0;
  color: var(--flame-300);
  letter-spacing: 0.12em;
}

.page-news .lead-story__title {
  margin: 0;
  font-size: clamp(20px, 2.3vw, 28px);
  line-height: 1.34;
  color: #ffffff;
}

.page-news .lead-story__text {
  margin: 0;
  color: var(--snow-300);
}

/* ===== 横向轨道 ===== */
.page-news .track {
  margin-top: clamp(20px, 2.6vw, 28px);
}

.page-news .track__list {
  scroll-snap-type: x mandatory;
  gap: 16px;
}

.page-news .track__item {
  scroll-snap-align: start;
  padding: 0;
  background: none;
  border: 0;
}

.page-news .story-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 100%;
  min-height: 236px;
  padding: 26px 24px 28px;
  background: linear-gradient(160deg, var(--ink-900) 0%, #061426 100%);
  border-top: 3px solid var(--line-strong);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: border-color var(--ease), transform var(--ease);
}

.page-news .story-card:hover {
  border-top-color: var(--flame-500);
  transform: translateY(-3px);
}

.page-news .story-card__kicker {
  margin: 0;
  color: var(--flame-300);
  letter-spacing: 0.1em;
}

.page-news .story-card__title {
  margin: 0;
  font-size: 19px;
  font-weight: 600;
  line-height: 1.42;
  color: #ffffff;
}

.page-news .story-card__text {
  flex: 1 1 auto;
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--snow-300);
}

/* ===== 链接 ===== */
.page-news .news-link {
  align-self: flex-start;
  display: inline-block;
  padding-bottom: 3px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--flame-300);
  text-decoration: none;
  background-image: linear-gradient(var(--flame-300), var(--flame-300));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 1px;
  transition: background-size var(--ease), color var(--ease);
}

.page-news .news-link:hover,
.page-news .news-link:focus-visible {
  color: #ffffff;
  background-size: 100% 1px;
}

/* ===== 版本说明速览 ===== */
.page-news .release-banner {
  margin: 0 0 clamp(22px, 3vw, 32px);
  background: var(--ink-700);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-news .release-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-news .release-list {
  display: grid;
  gap: 18px;
}

.page-news .release {
  padding: 26px 26px 28px 30px;
  background: var(--ink-900);
  border-left: 3px solid var(--line-strong);
  transition: border-color var(--ease), transform var(--ease), background-color var(--ease);
}

.page-news .release:hover {
  border-left-color: var(--flame-500);
  transform: translateX(3px);
  background: #09203c;
}

.page-news .release__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 16px;
  margin-bottom: 18px;
}

.page-news .release__tag {
  font-size: clamp(26px, 3vw, 40px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--sand-400);
}

.page-news .release__meta {
  margin: 0;
  color: var(--snow-300);
}

.page-news .release__items {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .release__items li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.76;
  color: #c3cfe8;
}

.page-news .release__items li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 9px;
  height: 1px;
  background: var(--flame-500);
}

.page-news .release__items strong {
  color: #ffffff;
  font-weight: 600;
}

/* ===== 专题系列 ===== */
.page-news .series-grid {
  display: grid;
  gap: clamp(30px, 4.4vw, 48px);
}

.page-news .series__title {
  margin: 0 0 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
  color: #ffffff;
}

.page-news .series__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-news .series__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 20px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-news .series__item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-news .series__num {
  font-size: 15px;
  line-height: 1.5;
  letter-spacing: 0.06em;
  color: var(--sand-400);
}

.page-news .series__heading {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.45;
  color: #ffffff;
}

.page-news .series__body .body-m {
  margin: 0 0 12px;
  font-size: 15px;
  color: var(--snow-300);
}

.page-news .series__figure {
  margin: 0 0 24px;
  background: var(--ink-700);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-news .series__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.page-news .series__figure:hover img {
  transform: scale(1.02);
}

.page-news .series__list--plain .series__item {
  border-bottom-style: solid;
}

/* ===== 本地访问建议 ===== */
.page-news .news-section.news-local {
  position: relative;
  padding: clamp(34px, 4.6vw, 60px) clamp(22px, 4vw, 56px) clamp(36px, 4.6vw, 58px);
  background: linear-gradient(160deg, #0a2340 0%, var(--ink-900) 60%, #061426 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 32px), 0 100%);
}

.page-news .news-local__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18;
  pointer-events: none;
}

.page-news .news-local__inner {
  position: relative;
  z-index: 1;
  max-width: 76ch;
}

.page-news .local-steps {
  list-style: none;
  margin: clamp(22px, 2.8vw, 32px) 0 0;
  padding: 0;
}

.page-news .local-steps__item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-news .local-steps__item:last-child {
  border-bottom: 0;
}

.page-news .local-steps__num {
  font-size: 15px;
  line-height: 1.55;
  letter-spacing: 0.06em;
  color: var(--sand-400);
}

.page-news .local-steps__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: #ffffff;
}

.page-news .local-steps__body .body-m {
  margin: 0;
  font-size: 15px;
  color: var(--snow-300);
}

.page-news .local-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 26px;
  margin-top: clamp(24px, 3vw, 34px);
  padding-top: 22px;
  border-top: 1px solid var(--line-strong);
}

.page-news .local-contact .note-s {
  margin: 0;
  max-width: 62ch;
  color: var(--snow-300);
}

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
  .page-news .news-index__list {
    grid-auto-flow: column;
    grid-auto-columns: minmax(148px, 1fr);
    gap: 6px;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    padding-bottom: 10px;
    -webkit-overflow-scrolling: touch;
  }

  .page-news .news-index__link {
    scroll-snap-align: start;
    height: 100%;
    border-left-width: 3px;
  }

  .page-news .news-index__title {
    margin-bottom: 10px;
  }
}

@media (max-width: 720px) {
  .page-news .news-masthead {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 24px));
  }

  .page-news .lead-story {
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  }

  .page-news .lead-story__media {
    aspect-ratio: 4 / 3;
    min-height: 190px;
  }

  .page-news .news-section.news-local {
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), 0 100%);
    padding-left: clamp(18px, 5vw, 26px);
    padding-right: clamp(18px, 5vw, 26px);
  }

  .page-news .release {
    padding: 22px 20px 24px 22px;
  }

  .page-news .series__item {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 10px;
  }

  .page-news .local-steps__item {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 12px;
  }
}

@media (min-width: 900px) {
  .page-news .news-masthead__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 48px;
  }

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

  .page-news .lead-story__media {
    aspect-ratio: auto;
    min-height: 340px;
  }

  .page-news .series-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-news .news-layout {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-news .news-index {
    position: sticky;
    top: 108px;
    align-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-index__link,
  .page-news .news-link,
  .page-news .story-card,
  .page-news .release,
  .page-news .series__figure img {
    transition: none;
  }

  .page-news .story-card:hover,
  .page-news .release:hover,
  .page-news .series__figure:hover img {
    transform: none;
  }
}