.page-news {
  position: relative;
  background-color: var(--c-ink);
  color: var(--c-fog);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.85;
  overflow-x: hidden;
}

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

.page-news .news-atmosphere {
  position: absolute;
  inset: 0 0 auto 0;
  height: 560px;
  pointer-events: none;
  background:
    radial-gradient(58% 92% at 84% 2%, rgba(63, 224, 200, .13), transparent 68%),
    radial-gradient(72% 100% at 6% 0%, rgba(20, 58, 49, .62), transparent 74%);
}

.page-news .news-shell {
  position: relative;
  z-index: 1;
  padding-top: 32px;
  padding-bottom: 72px;
}

.page-news .ms-breadcrumb {
  font-size: 13px;
  color: var(--c-moss);
}

.page-news .ms-breadcrumb a {
  color: var(--c-moss);
  text-decoration: none;
  transition: color var(--t-hover) var(--ease);
}

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

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: 28px 0 52px;
  max-width: 820px;
}

.page-news .news-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-cyan);
}

.page-news .news-hero h1 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.8rem, 11vw, 5.4rem);
  line-height: .98;
  letter-spacing: -.01em;
}

.page-news .news-hero__lede {
  margin: 0 0 18px;
  max-width: 62ch;
  font-size: 1.0625rem;
  color: rgba(233, 242, 239, .9);
}

.page-news .news-hero__meta {
  margin: 0;
  font-size: 13px;
  color: var(--c-moss);
}

.page-news .news-hero__meta .ms-num {
  color: var(--c-fog);
  font-size: 13px;
}

/* ---------- 当期头条 ---------- */
.page-news .news-feature {
  display: grid;
  gap: 26px;
  padding: 26px 20px 30px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: linear-gradient(155deg, var(--c-deep) 0%, var(--c-turf) 92%);
  animation: news-feature-in var(--t-enter) var(--ease) both;
}

@keyframes news-feature-in {
  from { opacity: 0; transform: translateX(-18px); }
  to { opacity: 1; transform: none; }
}

.page-news .news-feature__tag {
  display: inline-block;
  margin: 0 0 16px;
  padding: 4px 12px;
  border: 1px solid rgba(63, 224, 200, .7);
  border-radius: 999px;
  color: var(--c-cyan);
  font-size: 12px;
  line-height: 1.5;
}

.page-news .news-feature__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 7vw, 3rem);
  line-height: 1.02;
  letter-spacing: -.01em;
}

.page-news .news-feature__sum {
  margin: 0 0 18px;
  max-width: 46ch;
  font-size: 1rem;
  color: rgba(233, 242, 239, .86);
}

.page-news .news-feature__annot {
  margin: 0;
  font-size: 13px;
  color: var(--c-moss);
}

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

.page-news .news-feature__img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--r-card);
  border: 1px solid rgba(63, 224, 200, .16);
  background-color: var(--c-ink);
}

.page-news .news-feature__cap {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--c-moss);
  line-height: 1.7;
}

/* ---------- 分类索引 ---------- */
.page-news .news-index {
  margin: 40px 0 0;
}

.page-news .news-index__note {
  margin: 0 0 18px;
  max-width: 64ch;
  font-size: 13px;
  line-height: 1.8;
  color: var(--c-moss);
}

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

.page-news .news-index__pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 28px;
  padding: 0 14px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  background-color: rgba(20, 58, 49, .45);
  color: var(--c-fog);
  font-size: 13px;
  line-height: 1;
  text-decoration: none;
  transition:
    border-color var(--t-hover) var(--ease),
    color var(--t-hover) var(--ease),
    background-color var(--t-hover) var(--ease);
}

.page-news .news-index__pill:hover,
.page-news .news-index__pill:focus-visible {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
  background-color: rgba(63, 224, 200, .09);
}

.page-news .news-index__pill .ms-num {
  font-size: 12px;
  color: var(--c-moss);
}

.page-news .news-index__pill:hover .ms-num,
.page-news .news-index__pill:focus-visible .ms-num {
  color: var(--c-cyan);
}

/* ---------- 条目清单 ---------- */
.page-news .news-list {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid rgba(31, 85, 70, .6);
}

.page-news .news-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  padding: 24px 0;
  border-top: 1px solid rgba(31, 85, 70, .6);
  scroll-margin-top: 96px;
}

.page-news .news-item__aside {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-news .news-item__no {
  font-family: var(--font-num);
  font-size: 1.25rem;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--c-fog);
}

.page-news .news-item__cat {
  display: inline-block;
  padding: 3px 11px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--c-fog);
}

.page-news .news-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  margin-bottom: 10px;
}

.page-news .news-item__title {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1.55;
  color: var(--c-fog);
}

.page-news .news-item__time {
  font-size: 13px;
  color: var(--c-moss);
  line-height: 1.6;
}

.page-news .news-item__sum {
  margin: 0 0 12px;
  max-width: 68ch;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(233, 242, 239, .82);
}

.page-news .news-item__fig {
  margin: 0 0 14px;
}

.page-news .news-item__img {
  width: 100%;
  max-width: 460px;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--r-card);
  border: 1px solid rgba(31, 85, 70, .9);
  background-color: var(--c-turf);
}

.page-news .news-item__more {
  max-width: 68ch;
}

.page-news .news-item__more summary {
  display: inline-block;
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  color: var(--c-cyan);
  border-bottom: 1px dashed rgba(63, 224, 200, .45);
  transition: color var(--t-hover) var(--ease);
}

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

.page-news .news-item__more summary::after {
  content: " ▾";
}

.page-news .news-item__more[open] summary::after {
  content: " ▴";
}

.page-news .news-item__more p {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-moss);
}

/* ---------- 回溯说明 ---------- */
.page-news .news-foot {
  margin-top: 64px;
  padding: 30px 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background-color: var(--c-deep);
  animation: news-foot-in var(--t-enter) var(--ease) both;
}

@keyframes news-foot-in {
  from { opacity: 0; transform: translateX(-18px); }
  to { opacity: 1; transform: none; }
}

.page-news .news-foot__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 5vw, 2.25rem);
  line-height: 1.05;
  letter-spacing: -.01em;
}

.page-news .news-foot__p {
  margin: 0 0 14px;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(233, 242, 239, .84);
}

.page-news .news-foot__sub {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--c-moss);
}

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

.page-news .news-foot__list li {
  padding: 12px 0;
  border-top: 1px solid rgba(31, 85, 70, .75);
}

.page-news .news-foot__list a {
  color: var(--c-cyan);
  font-weight: 700;
  text-decoration: none;
  transition: color var(--t-hover) var(--ease);
}

.page-news .news-foot__list a:hover,
.page-news .news-foot__list a:focus-visible {
  color: var(--c-warn);
}

.page-news .news-foot__list span {
  display: block;
  margin-top: 2px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-moss);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-shell {
    padding-top: 44px;
    padding-bottom: 96px;
  }

  .page-news .news-hero {
    padding: 40px 0 64px;
  }

  .page-news .news-feature {
    padding: 36px 32px 40px;
  }

  .page-news .news-foot {
    padding: 40px 32px;
  }
}

@media (min-width: 900px) {
  .page-news .news-feature {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
    gap: 48px;
    padding: 48px 44px;
  }

  .page-news .news-item {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 32px;
    padding: 30px 0;
  }

  .page-news .news-item__aside {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .page-news .news-item__no {
    font-size: 1.5rem;
  }

  .page-news .news-foot {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    padding: 52px 48px;
    margin-top: 88px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-feature,
  .page-news .news-foot {
    animation: none;
  }

  .page-news .news-index__pill,
  .page-news .news-item__more summary,
  .page-news .news-foot__list a {
    transition: none;
  }
}