.page-news {
  --news-edge: 3px;
  --news-edge-hover: 6px;
}

.page-news__crumbs {
  padding-top: 1.5rem;
  padding-bottom: 0.5rem;
}

/* ---------- 置顶区 ---------- */
.page-news .news-top {
  padding-top: clamp(1rem, 3vw, 2rem);
}

.page-news .news-top__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.25rem, 4vw, 2.25rem);
  align-items: start;
}

.page-news .news-top__panel {
  position: relative;
  overflow: hidden;
  background: var(--sky);
  background-image: linear-gradient(140deg, #0A84FF 0%, #0A6AD1 100%);
  color: #fff;
  padding: clamp(1.75rem, 5vw, 3.25rem) clamp(1.25rem, 4vw, 3rem) clamp(2rem, 5vw, 3.5rem);
}

.page-news .news-top__panel::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 5px;
  background: linear-gradient(90deg,
    var(--snow) 0 20%,
    var(--red) 20% 40%,
    var(--green) 40% 60%,
    var(--yellow) 60% 80%,
    var(--deep) 80% 100%);
}

.page-news .news-top__label {
  display: inline-block;
  margin: 0 0 1.25rem;
  padding: 0.35rem 0.7rem;
  background: var(--deep);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  line-height: 1.4;
}

.page-news .news-top__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.2rem, 7.4vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: #fff;
}

.page-news .news-top__body {
  padding-top: 0.25rem;
}

.page-news .news-top__body .prose {
  margin: 0 0 1rem;
}

.page-news .news-top__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-news .news-top__meter {
  list-style: none;
  margin: clamp(1.75rem, 4vw, 2.75rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 1.25rem;
}

.page-news .news-top__meter-item {
  padding: 0.9rem 0;
  border-top: 1px solid var(--line);
}

.page-news .news-top__num {
  display: block;
  font-family: var(--font-num);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--deep);
  letter-spacing: -0.01em;
}

.page-news .news-top__cap {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.8125rem;
  color: var(--rock);
  line-height: 1.5;
}

/* ---------- 目录 + 内容流 ---------- */
.page-news .news-stream {
  padding-top: clamp(2.5rem, 6vw, 4.5rem);
}

.page-news .news-stream__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 5vw, 3.5rem);
  align-items: start;
}

.page-news .news-filter__title {
  margin: 0 0 0.85rem;
}

.page-news .news-filter__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-news .news-filter__link {
  display: block;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--deep);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 160ms var(--ease), border-color 160ms var(--ease), color 160ms var(--ease);
}

.page-news .news-filter__link:hover,
.page-news .news-filter__link:focus-visible {
  border-color: var(--sky);
  color: var(--indigo);
}

.page-news .news-filter__link.is-active {
  background: var(--sky);
  border-color: var(--sky);
  color: #fff;
}

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

.page-news .news-filter__hint {
  margin: 1.25rem 0 0;
  max-width: 30ch;
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--rock);
}

.page-news .news-filter__hint a {
  color: var(--indigo);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

/* ---------- 内容区块 ---------- */
.page-news .news-feed {
  min-width: 0;
}

.page-news .news-block {
  padding-top: clamp(2rem, 5vw, 3rem);
  scroll-margin-top: 1.5rem;
}

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

.page-news .news-block + .news-block {
  margin-top: clamp(2rem, 5vw, 3rem);
  border-top: 1px solid var(--line);
}

.page-news .news-block__head {
  margin-bottom: 1.5rem;
}

.page-news .news-block__kicker {
  margin: 0 0 0.6rem;
  color: var(--indigo);
}

.page-news .news-block__title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 4vw, 2rem);
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--deep);
}

.page-news .news-block__note {
  margin: 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--deep);
}

.page-news .news-block__media {
  margin: 0 0 1.75rem;
  border: 1px solid var(--line);
}

.page-news .news-block__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.92);
}

/* ---------- 条目 ---------- */
.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .news-item {
  position: relative;
  padding: 1.25rem 0 1.35rem 1.1rem;
  border-bottom: 1px solid var(--line);
  transition: background-color 180ms var(--ease);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.25rem;
  bottom: 1.35rem;
  width: var(--news-edge);
  background: var(--item-color, var(--sky));
  transition: width 180ms var(--ease);
}

.page-news .news-item--blue { --item-color: var(--sky); }
.page-news .news-item--green { --item-color: var(--green); }
.page-news .news-item--red { --item-color: var(--red); }
.page-news .news-item--yellow { --item-color: var(--yellow); }

.page-news .news-item:hover,
.page-news .news-item:focus-within {
  background: linear-gradient(90deg, rgba(10, 132, 255, 0.07), rgba(10, 132, 255, 0) 62%);
}

.page-news .news-item:hover::before,
.page-news .news-item:focus-within::before {
  width: var(--news-edge-hover);
}

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

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin-bottom: 0.6rem;
}

.page-news .news-item__time {
  font-size: 0.8125rem;
  color: var(--rock);
  transition: color 180ms var(--ease);
}

.page-news .news-item:hover .news-item__time,
.page-news .news-item:focus-within .news-item__time {
  color: var(--deep);
}

.page-news .news-item__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  line-height: 1.45;
  color: var(--deep);
}

.page-news .news-item__text {
  margin: 0;
  max-width: 66ch;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--deep);
}

/* ---------- 栏目分类 ---------- */
.page-news .news-channels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-news .news-channel {
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
}

.page-news .news-channel__name {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--deep);
}

.page-news .news-channel__desc {
  margin: 0;
  max-width: 62ch;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--deep);
}

.page-news .news-channel__desc a {
  color: var(--indigo);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.page-news .news-callout {
  margin-top: 1.75rem;
  padding: 1.25rem 1.25rem 1.35rem;
  background: var(--mist);
  border-left: 3px solid var(--sky);
}

.page-news .news-callout__text {
  margin: 0 0 1rem;
  max-width: 62ch;
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--deep);
}

.page-news .news-callout__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-top__meter {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 1.75rem;
  }

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

@media (min-width: 900px) {
  .page-news .news-top__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-news .news-top__body {
    padding-top: clamp(1rem, 3vw, 2rem);
  }

  .page-news .news-stream__grid {
    grid-template-columns: 210px minmax(0, 1fr);
  }

  .page-news .news-filter {
    position: sticky;
    top: 1.5rem;
    align-self: start;
  }

  .page-news .news-filter__list {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 0.4rem;
  }

  .page-news .news-filter__link {
    border-left: 3px solid transparent;
  }

  .page-news .news-filter__link.is-active {
    border-left-color: var(--deep);
  }

  .page-news .news-item {
    padding-right: 1rem;
  }
}

@media (min-width: 1180px) {
  .page-news .news-stream__grid {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 4rem;
  }

  .page-news .news-item__title {
    font-size: 1.1875rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-item::before,
  .page-news .news-filter__link,
  .page-news .news-item__time {
    transition: none;
  }
}