.page-news {
  --news-body: rgba(244, 239, 227, .78);
  --news-faint: rgba(244, 239, 227, .58);
  background: var(--ink);
  color: var(--cream);
  padding-bottom: 0;
}

.page-news .breadcrumbs {
  padding: 16px 0 4px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--steel);
}

.page-news .breadcrumbs a {
  color: var(--cream);
  text-decoration: none;
  border-bottom: 1px solid var(--line-dark);
}

.page-news .breadcrumbs a:hover,
.page-news .breadcrumbs a:focus-visible {
  color: var(--amber);
  border-color: var(--amber);
}

.page-news .breadcrumbs span[aria-hidden] {
  margin: 0 8px;
  color: var(--steel);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: 14px 0 6px;
}

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

.page-news .news-hero__kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-news .news-hero__lead {
  margin: 14px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--news-body);
}

.page-news .news-hero__aside {
  align-self: start;
}

.page-news .news-kv {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
}

.page-news .news-kv > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding-top: 9px;
  border-top: 1px solid var(--line-dark);
}

.page-news .news-kv dt {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--steel);
  white-space: nowrap;
}

.page-news .news-kv dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.5;
  text-align: right;
  color: var(--cream);
}

.page-news .news-hero__media {
  margin: 20px 0 0;
}

.page-news .news-hero__media img,
.page-news .feed-group__media img,
.page-news .feed-item__media img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

/* ---------- 主体双列 ---------- */
.page-news .news-shell {
  padding: 26px 0 8px;
}

.page-news .news-shell__grid {
  display: grid;
  gap: 22px;
}

.page-news .news-filter {
  border: 3px solid var(--line-dark);
  background: var(--panel-2);
  padding: 14px;
}

.page-news .news-filter__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--steel);
}

.page-news .news-filter__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .news-filter__list li {
  flex: 0 0 auto;
}

.page-news .news-filter__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 2px solid var(--line-amber);
  border-radius: 999px;
  font-size: 14px;
  white-space: nowrap;
  text-decoration: none;
  color: var(--cream);
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.page-news .news-filter__link .num {
  font-size: 12px;
  color: var(--amber);
  transition: color .18s var(--ease);
}

.page-news .news-filter__link:hover,
.page-news .news-filter__link:focus-visible {
  background: var(--pitch);
  border-color: var(--pitch);
  color: var(--ink);
}

.page-news .news-filter__link:hover .num,
.page-news .news-filter__link:focus-visible .num {
  color: var(--ink);
}

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

/* ---------- 分组与条目 ---------- */
.page-news .feed-group {
  padding: 22px 0 4px;
  border-top: 2px solid var(--line-dark);
}

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

.page-news .feed-group__head {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

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

.page-news .feed-list {
  display: grid;
  gap: 0;
  margin-top: 16px;
}

.page-news .feed-item {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 12px;
}

.page-news .feed-item__axis {
  position: relative;
}

.page-news .feed-item__axis::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 16px;
  bottom: -2px;
  width: 2px;
  background: var(--line-dark);
}

.page-news .feed-item:last-child .feed-item__axis::before {
  display: none;
}

.page-news .feed-dot {
  position: absolute;
  left: 3px;
  top: 10px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--pitch);
  box-shadow: 0 0 0 3px rgba(47, 158, 106, .18);
}

.page-news .feed-dot__tip {
  position: absolute;
  left: 20px;
  top: -1px;
  padding: 2px 8px;
  border: 1.5px solid var(--amber);
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: .08em;
  white-space: nowrap;
  color: var(--amber);
  background: var(--ink);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s var(--ease);
}

.page-news .feed-item__body:hover .feed-dot__tip,
.page-news .feed-item__body:focus-within .feed-dot__tip {
  opacity: 1;
}

.page-news .feed-item__body {
  margin-bottom: 16px;
  padding: 14px;
  border: 2px solid var(--line-dark);
  background: var(--panel-2);
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}

.page-news .feed-item__body:hover,
.page-news .feed-item__body:focus-within {
  transform: translateY(-2px);
  border-color: var(--line-amber);
}

.page-news .feed-item__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
}

.page-news .feed-item__time {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--steel);
}

.page-news .feed-item__title {
  margin: 9px 0 6px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-news .feed-item__sum {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--news-body);
}

.page-news .feed-item__sum a {
  color: var(--amber-lite);
  text-decoration: none;
  border-bottom: 1px dashed var(--line-amber);
}

.page-news .feed-item__sum a:hover,
.page-news .feed-item__sum a:focus-visible {
  color: var(--amber);
}

.page-news .feed-item__media {
  margin: 12px 0 0;
}

.page-news .feed-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 12px 0 0;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--steel);
}

.page-news .feed-item__tags span {
  padding-left: 10px;
  border-left: 2px solid var(--line-dark);
}

.page-news .feed-item__tags span:first-child {
  padding-left: 0;
  border-left: 0;
}

/* 重点条目 */
.page-news .feed-item--feature .feed-item__body {
  padding: 18px;
  background: var(--cream);
  border-color: var(--brown);
  box-shadow: var(--shadow-hard);
  color: var(--brown);
}

.page-news .feed-item--feature .feed-item__title,
.page-news .feed-item--feature .feed-ititem__title {
  color: var(--brown);
}

.page-news .feed-item--feature .feed-item__sum {
  color: #4A3D30;
}

.page-news .feed-item--feature .feed-item__time {
  color: #6B5B4A;
}

.page-news .feed-item--feature .pill {
  border-color: var(--brown);
  color: var(--brown);
}

.page-news .feed-item--feature .feed-item__tags {
  color: #6B5B4A;
}

.page-news .feed-item--feature .feed-item__tags span {
  border-left-color: rgba(36, 28, 20, .3);
}

/* 展开详情 */
.page-news .feed-more {
  margin-top: 12px;
}

.page-news .feed-more summary {
  display: inline-block;
  padding: 6px 12px;
  border: 2px solid var(--line-amber);
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--amber);
  cursor: pointer;
  list-style: none;
}

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

.page-news .feed-more summary::after {
  content: " +";
}

.page-news .feed-more[open] summary::after {
  content: " –";
}

.page-news .feed-more summary:hover,
.page-news .feed-more summary:focus-visible {
  background: var(--amber);
  color: var(--brown);
}

.page-news .feed-more p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--news-body);
}

.page-news .feed-more__meta {
  font-size: 13px;
  color: var(--news-faint);
}

.page-news .feed-item--feature .feed-more summary {
  border-color: var(--brown);
  color: var(--brown);
}

.page-news .feed-item--feature .feed-more summary:hover,
.page-news .feed-item--feature .feed-more summary:focus-visible {
  background: var(--brown);
  color: var(--cream);
}

.page-news .feed-item--feature .feed-more p {
  color: #4A3D30;
}

.page-news .feed-item--feature .feed-more__meta {
  color: #6B5B4A;
}

/* ---------- 版本刻度条 ---------- */
.page-news .tick-rail {
  display: flex;
  gap: 14px;
  margin: 18px 0 0;
  padding: 0 0 12px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
}

.page-news .tick-rail__item {
  position: relative;
  flex: 0 0 78%;
  scroll-snap-align: start;
  padding: 16px 14px 18px;
  border: 2px solid var(--line-dark);
  border-top: 3px solid var(--steel);
  background: var(--panel-2);
}

.page-news .tick-rail__item::before {
  content: "";
  position: absolute;
  top: -9px;
  left: 14px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--steel);
}

.page-news .tick-rail__item.is-current {
  border-top-color: var(--amber);
  border-color: var(--line-amber);
  background: var(--panel);
}

.page-news .tick-rail__item.is-current::before {
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(242, 169, 59, .2);
}

.page-news .tick-rail__round {
  display: block;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-news .tick-rail__title {
  margin: 9px 0 7px;
  font-size: 17px;
  line-height: 1.45;
  color: var(--cream);
}

.page-news .tick-rail__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--news-body);
}

/* ---------- 提醒收束 ---------- */
.page-news .news-alert {
  padding: 34px 0 0;
}

.page-news .news-alert__box {
  display: grid;
  gap: 18px;
  padding: 20px;
  border: 3px solid var(--line-amber);
  background: linear-gradient(180deg, var(--pitch-deep), var(--panel-2));
  box-shadow: var(--shadow-hard);
}

.page-news .news-alert__copy p {
  margin: 10px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--news-body);
}

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

.page-news .news-foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 22px 0 0;
  padding: 0 0 42px;
  list-style: none;
}

.page-news .news-foot-links a {
  font-size: 14px;
  color: var(--amber-lite);
  text-decoration: none;
  border-bottom: 1px dashed var(--line-amber);
  padding-bottom: 2px;
}

.page-news .news-foot-links a:hover,
.page-news .news-foot-links a:focus-visible {
  color: var(--amber);
  border-bottom-style: solid;
}

/* ---------- 平板 / 桌面 ---------- */
@media (min-width: 720px) {
  .page-news .feed-item__title {
    font-size: 20px;
  }

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

  .page-news .feed-item__body {
    padding: 18px;
  }

  .page-news .news-filter__list {
    flex-wrap: wrap;
    overflow: visible;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero {
    padding: 20px 0 10px;
  }

  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, .8fr);
    align-items: start;
    gap: 28px;
  }

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

  .page-news .news-alert__box {
    grid-template-columns: minmax(0, 1.6fr) auto;
    align-items: center;
    padding: 26px 28px;
  }
}

@media (min-width: 960px) {
  .page-news .news-shell__grid {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }

  .page-news .news-filter {
    position: sticky;
    top: 96px;
  }

  .page-news .news-filter__list {
    flex-direction: column;
    flex-wrap: nowrap;
    padding-bottom: 0;
  }

  .page-news .news-filter__list li {
    flex: 1 1 auto;
  }

  .page-news .news-filter__link {
    width: 100%;
    justify-content: space-between;
  }

  .page-news .feed-item__tags {
    opacity: 0;
    transition: opacity .18s var(--ease);
  }

  .page-news .feed-item__body:hover .feed-item__tags,
  .page-news .feed-item__body:focus-within .feed-item__tags {
    opacity: 1;
  }

  .page-news .tick-rail {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .tick-rail__item {
    flex: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .feed-item__body,
  .page-news .feed-dot__tip,
  .page-news .feed-item__tags,
  .page-news .news-filter__link {
    transition: none;
  }

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