.page-news {
  --news-rail: 12.5rem;
  background: var(--board);
  color: var(--ink);
}

.page-news .news-band {
  position: relative;
  padding: clamp(2.8rem, 6vw, 5rem) 0;
}

.page-news .news-band--paper { background: var(--paper); }
.page-news .news-band--board { background: var(--board); }
.page-news .news-band--ink { background: var(--ink); color: var(--board); }
.page-news .news-band--blue { background: var(--tk-blue); color: var(--board); }
.page-news .news-band--butter { background: var(--butter); color: var(--ink); }
.page-news .news-band--deep { background: var(--deep-red); color: var(--board); padding: clamp(2rem, 4vw, 3rem) 0; }

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 3rem) 0 clamp(2.6rem, 6vw, 4.4rem);
  background:
    radial-gradient(circle at 82% 14%, rgba(242, 193, 78, .26), transparent 58%),
    var(--deep-red);
  color: var(--board);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 108px;
  pointer-events: none;
  opacity: .4;
  background-image:
    linear-gradient(90deg, rgba(245, 237, 225, .3) 50%, transparent 50%),
    linear-gradient(180deg, rgba(245, 237, 225, .3) 50%, transparent 50%);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000);
  mask-image: linear-gradient(180deg, transparent, #000);
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
}

.page-news .news-hero__crumb {
  margin-bottom: 1.6rem;
  font-size: var(--step-small);
  color: rgba(245, 237, 225, .74);
}

.page-news .news-hero__crumb a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 237, 225, .34);
}

.page-news .news-hero__crumb a:hover { color: var(--butter); }

.page-news .news-hero__crumb .breadcrumb__sep {
  margin: 0 .5rem;
  color: rgba(245, 237, 225, .5);
}

.page-news .news-hero__crumb [aria-current="page"] { color: var(--butter); }

.page-news .news-hero__eyebrow {
  color: var(--butter);
  margin-bottom: .7rem;
}

.page-news .news-hero__title {
  margin: 0 0 1.1rem;
  max-width: 20ch;
  color: var(--board);
  line-height: 1.08;
}

.page-news .news-hero__lede {
  max-width: 62ch;
  color: rgba(245, 237, 225, .86);
  margin-bottom: 1.6rem;
}

.page-news .news-hero__meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .7rem;
}

.page-news .news-stamp {
  display: inline-block;
  padding: .28rem .62rem;
  font-size: .75rem;
  border: 1px solid rgba(242, 193, 78, .62);
  color: var(--butter);
  background: rgba(28, 20, 16, .18);
}

/* ---------- 区块标题 ---------- */
.page-news .news-head { max-width: 62ch; margin-bottom: 1.9rem; }
.page-news .news-head .eyebrow { color: var(--flag-red); }
.page-news .news-head .h2 { margin: .35rem 0 .8rem; }

.page-news .news-head--onDark .eyebrow { color: var(--butter); }
.page-news .news-head--onDark .h2 { color: var(--board); }
.page-news .news-head--onDark .prose { color: rgba(245, 237, 225, .82); }

/* ---------- 本季主线 ---------- */
.page-news .news-season {
  display: grid;
  gap: 2rem;
}

.page-news .news-season .eyebrow { color: var(--flag-red); }
.page-news .news-season .h2 { margin: .35rem 0 .9rem; }

.page-news .news-season__list {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  display: grid;
  gap: .9rem;
}

.page-news .news-season__list li {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  gap: .7rem;
  padding-top: .9rem;
  border-top: var(--line-soft);
}

.page-news .news-season__num {
  font-size: .78rem;
  padding-top: .28rem;
  color: var(--ochre);
}

.page-news .news-season__list strong {
  display: block;
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: .25rem;
}

.page-news .news-season__list p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--stone);
}

.page-news .news-season__link {
  margin-top: 1.4rem;
  color: var(--stone);
}

.page-news .news-season__link a {
  color: var(--tk-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 111, 120, .4);
}

.page-news .news-season__figure {
  margin: 0;
  border: var(--line);
  background: var(--board);
  box-shadow: var(--shadow-card);
}

.page-news .news-season__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .news-season__figure .figure__cap {
  display: block;
  padding: .55rem .8rem;
  font-family: var(--mono);
  font-size: .75rem;
  color: var(--stone);
  border-top: var(--line-soft);
}

/* ---------- 迭代记录 ---------- */
.page-news .news-log { display: block; }

.page-news .news-log__tabs {
  display: flex;
  gap: .3rem;
  overflow-x: auto;
  padding-bottom: .5rem;
  margin-bottom: 1.5rem;
  border-bottom: var(--line-soft);
  scrollbar-width: thin;
}

.page-news .news-log__tab {
  flex: 0 0 auto;
  font-family: var(--sans);
  font-size: .9375rem;
  font-weight: 700;
  color: var(--stone);
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: .55rem .85rem;
  cursor: pointer;
  white-space: nowrap;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .news-log__tab:hover { color: var(--flag-red); }

.page-news .news-log__tab[aria-selected="true"] {
  color: var(--deep-red);
  border-bottom-color: var(--flag-red);
}

.page-news .news-log__banner {
  margin: 0 0 1.4rem;
  overflow: hidden;
  border: var(--line);
  position: relative;
}

.page-news .news-log__banner img {
  display: block;
  width: 100%;
  height: clamp(104px, 17vw, 168px);
  object-fit: cover;
}

.page-news .news-log__bannercap {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: .35rem .7rem;
  font-size: .72rem;
  background: rgba(28, 20, 16, .78);
  color: var(--butter);
}

.page-news .log-item {
  position: relative;
  margin-bottom: .85rem;
  padding: 1rem 1rem 1.05rem 1.15rem;
  background: var(--paper);
  border: var(--line-soft);
  border-left: 3px solid rgba(107, 74, 47, .24);
  box-shadow: var(--shadow-card);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-left-color .2s var(--ease);
}

.page-news .log-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}

.page-news .log-item--board:hover { border-left-color: var(--tk-blue); }
.page-news .log-item--card:hover { border-left-color: var(--flag-red); }
.page-news .log-item--login:hover { border-left-color: var(--tk-green); }

.page-news .log-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem .65rem;
  margin-bottom: .55rem;
}

.page-news .log-tag {
  display: inline-block;
  padding: .16rem .48rem;
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--paper);
  border-radius: 0;
}

.page-news .log-tag--board { background: var(--tk-blue); }
.page-news .log-tag--card { background: var(--flag-red); }
.page-news .log-tag--login { background: var(--tk-green); }

.page-news .log-item__ver {
  font-size: .8rem;
  font-weight: 700;
  color: var(--ochre);
}

.page-news .log-item__when {
  font-size: .78rem;
  color: var(--stone);
}

.page-news .log-item__title {
  margin: 0 0 .35rem;
  font-family: var(--serif);
  font-size: var(--step-h3);
  font-weight: 800;
  line-height: 1.4;
}

.page-news .log-item__lead {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--stone);
}

.page-news .log-item__more { margin-top: .6rem; }

.page-news .log-item__more summary {
  display: inline-block;
  cursor: pointer;
  list-style: none;
  font-family: var(--mono);
  font-size: .78rem;
  font-weight: 700;
  color: var(--tk-blue);
  border-bottom: 1px dashed rgba(31, 111, 120, .5);
}

.page-news .log-item__more summary::-webkit-details-marker { display: none; }
.page-news .log-item__more summary::before { content: "+ "; }
.page-news .log-item__more[open] summary::before { content: "− "; }

.page-news .log-item__more p {
  margin: .6rem 0 0;
  padding-left: .85rem;
  border-left: 2px solid rgba(192, 138, 46, .5);
  font-size: .9rem;
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 三个归档分类 ---------- */
.page-news .news-archive__strip {
  margin-bottom: 1.6rem;
  overflow: hidden;
  border: 1px solid rgba(192, 138, 46, .42);
}

.page-news .news-archive__strip img {
  display: block;
  width: 100%;
  height: clamp(78px, 13vw, 138px);
  object-fit: cover;
}

.page-news .news-archive__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-news .archive-card {
  padding: 1.15rem 1.05rem 1.35rem;
  border: 1px solid rgba(192, 138, 46, .45);
  background: rgba(245, 237, 225, .05);
}

.page-news .archive-card__title {
  margin: .7rem 0 .45rem;
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1.4;
  color: var(--board);
}

.page-news .archive-card p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: rgba(245, 237, 225, .78);
}

/* ---------- 测试版说明 ---------- */
.page-news .news-band--paper .prose + .prose { margin-top: .9rem; }

/* ---------- 回头看旧版本 ---------- */
.page-news .news-look {
  display: grid;
  gap: 1.8rem;
}

.page-news .news-look__figure {
  margin: 0;
  border: 1px solid rgba(245, 237, 225, .3);
}

.page-news .news-look__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-news .news-look__figure .figure__cap {
  display: block;
  padding: .5rem .75rem;
  font-family: var(--mono);
  font-size: .74rem;
  color: rgba(245, 237, 225, .82);
  border-top: 1px solid rgba(245, 237, 225, .24);
}

.page-news .news-look__copy .eyebrow { color: var(--butter); }
.page-news .news-look__copy .h2 { color: var(--board); margin: .35rem 0 .85rem; }
.page-news .news-look__copy .prose { color: rgba(245, 237, 225, .84); }

.page-news .route-list {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: .2rem;
}

.page-news .route-list li {
  display: grid;
  grid-template-columns: minmax(4.6rem, auto) minmax(0, 1fr);
  gap: .8rem;
  align-items: baseline;
  padding: .85rem 0;
  border-top: 1px solid rgba(245, 237, 225, .26);
}

.page-news .route-list__step {
  font-size: .76rem;
  color: var(--butter);
}

.page-news .route-list p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.75;
  color: rgba(245, 237, 225, .86);
}

.page-news .news-look__note {
  margin-top: 1rem;
  color: rgba(245, 237, 225, .72);
}

/* ---------- 更新节奏 ---------- */
.page-news .news-cadence {
  display: grid;
  gap: 1.6rem;
}

.page-news .news-cadence .eyebrow { color: var(--wood); }
.page-news .news-cadence .h2 { margin: .35rem 0 .85rem; color: var(--ink); }
.page-news .news-cadence .prose { color: rgba(28, 20, 16, .8); }

.page-news .news-cadence__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .9rem;
}

.page-news .news-cadence__list li {
  padding-top: .85rem;
  border-top: 1px solid rgba(107, 74, 47, .35);
}

.page-news .news-cadence__key {
  display: inline-block;
  margin-bottom: .35rem;
  padding: .16rem .48rem;
  font-size: .74rem;
  background: var(--ink);
  color: var(--butter);
}

.page-news .news-cadence__list p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: rgba(28, 20, 16, .82);
}

.page-news .news-cadence__list a {
  color: var(--deep-red);
  text-decoration: none;
  border-bottom: 1px solid rgba(142, 36, 25, .45);
}

/* ---------- 延伸入口 ---------- */
.page-news .news-more {
  display: grid;
  gap: 1.2rem;
}

.page-news .news-more__copy .h3 {
  margin: 0 0 .45rem;
  color: var(--board);
}

.page-news .news-more__copy p {
  margin: 0;
  max-width: 48ch;
  font-size: .9375rem;
  line-height: 1.8;
  color: rgba(245, 237, 225, .84);
}

.page-news .news-more__links {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

/* ---------- 桌面 ---------- */
@media (min-width: 60rem) {
  .page-news .news-season {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 2.8rem;
    align-items: start;
  }

  .page-news .news-log {
    display: grid;
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: 2.4rem;
    align-items: start;
  }

  .page-news .news-log__tabs {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
    flex-direction: column;
    align-items: stretch;
    gap: .1rem;
    overflow: visible;
    margin-bottom: 0;
    padding: 0 0 0 1rem;
    border-bottom: 0;
    border-left: 1px solid rgba(107, 74, 47, .28);
  }

  .page-news .news-log__tab {
    text-align: left;
    padding: .55rem 0 .55rem .9rem;
    border-bottom: 0;
    border-left: 3px solid transparent;
  }

  .page-news .news-log__tab[aria-selected="true"] {
    border-bottom-color: transparent;
    border-left-color: var(--flag-red);
  }

  .page-news .news-archive__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-look {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    gap: 2.6rem;
    align-items: center;
  }

  .page-news .news-cadence {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 2.6rem;
    align-items: start;
  }

  .page-news .news-more {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 80rem) {
  .page-news .news-look {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  }
}

@media (max-width: 26rem) {
  .page-news .log-item__meta { gap: .35rem .5rem; }
  .page-news .route-list li { grid-template-columns: minmax(0, 1fr); gap: .25rem; }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .log-item { transition: none; }
  .page-news .log-item:hover { transform: none; }
  .page-news .news-log__tab { transition: none; }
}