.page-news {
  --news-item-pad: clamp(1rem, 1.5vw, 1.35rem);
}

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

.page-news .mono {
  font-family: var(--font-mono);
  letter-spacing: .05em;
}

.page-news .breadcrumb {
  padding-top: clamp(1.25rem, 3vw, 2.25rem);
}

/* ---------- 首屏公告带 ---------- */

.page-news .news-hero {
  padding-top: clamp(1.5rem, 3.5vw, 2.75rem);
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  align-items: stretch;
}

.page-news .news-kicker {
  margin: 0 0 .85rem;
  font-size: .78rem;
  color: var(--amber);
  letter-spacing: .12em;
}

.page-news .news-hero__main h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 7.5vw, 3.3rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-news .news-hero__lead {
  margin: 0 0 1.5rem;
  max-width: 38em;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--body-ink);
}

.page-news .news-feature {
  position: relative;
  padding: var(--news-item-pad);
  background: var(--console);
  border: 1px solid var(--grid);
  border-left: 2px solid var(--cyan);
}

.page-news .news-feature__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .65rem;
  margin-bottom: .9rem;
}

.page-news .news-time {
  font-size: .76rem;
  color: var(--amber);
}

.page-news .news-feature__title {
  margin: 0 0 .7rem;
  font-size: clamp(1.15rem, 3.6vw, 1.55rem);
  line-height: 1.35;
  color: var(--ink);
}

.page-news .news-feature__text {
  margin: 0 0 1.25rem;
  font-size: .96rem;
  line-height: 1.78;
  color: var(--body-ink);
}

.page-news .news-hero__viz {
  overflow: hidden;
  border: 1px solid var(--grid);
  min-height: 180px;
}

.page-news .news-hero__viz img {
  width: 100%;
  height: 100%;
  min-height: 180px;
  object-fit: cover;
}

.page-news .news-next {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding: var(--news-item-pad);
  background: linear-gradient(180deg, var(--violet-a12), rgba(10, 23, 48, .35));
  border: 1px solid var(--grid);
  border-top: 2px solid var(--violet);
}

.page-news .news-next__label {
  margin: 0;
  font-size: .76rem;
  color: var(--violet-soft);
}

.page-news .news-next__tag {
  margin: .2rem 0 0;
}

.page-news .news-next__title {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--ink);
}

.page-news .news-next__text {
  margin: 0;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .news-next__link {
  margin-top: auto;
  padding-top: .8rem;
  font-size: .88rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-a34);
  align-self: flex-start;
}

.page-news .news-next__link:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 公告列表 ---------- */

.page-news .news-board__figure {
  margin: 0 0 clamp(1.25rem, 2.5vw, 2rem);
}

.page-news .news-board__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
}

.page-news .tag-axis {
  display: flex;
  gap: .5rem;
  overflow-x: auto;
  padding-bottom: .35rem;
  scrollbar-width: thin;
}

.page-news .tag-btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  flex: 0 0 auto;
  padding: .55rem .95rem;
  background: transparent;
  border: 1px solid var(--grid);
  color: var(--muted);
  font-family: var(--font-body);
  font-size: .88rem;
  letter-spacing: .06em;
  cursor: pointer;
  transition: border-color .18s ease, color .18s ease, background-color .18s ease;
}

.page-news .tag-btn__idx {
  font-size: .7rem;
  color: var(--steel);
}

.page-news .tag-btn:hover {
  border-color: var(--cyan-a34);
  color: var(--ink);
  background-color: var(--cyan-a08);
}

.page-news .tag-btn:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .tag-btn[aria-pressed="true"] {
  border-color: var(--cyan);
  color: var(--cyan);
  background-color: var(--cyan-a08);
}

.page-news .tag-btn[aria-pressed="true"] .tag-btn__idx {
  color: var(--cyan);
}

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

.page-news .news-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  padding: var(--news-item-pad);
  background: var(--console);
  border: 1px solid var(--grid);
  transition: border-color .2s ease, background-color .2s ease;
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: var(--steel);
  transition: background-color .2s ease;
}

.page-news .news-item:hover {
  border-color: var(--cyan-a34);
  background-color: rgba(35, 240, 208, .03);
}

.page-news .news-item:hover::before {
  background: var(--cyan);
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
}

.page-news .news-item h3 {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--ink);
}

.page-news .news-item p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--body-ink);
}

.page-news .news-item__figure {
  margin: .4rem 0 0;
}

.page-news .news-item--xl,
.page-news .news-item--lg,
.page-news .news-item--md,
.page-news .news-item--sm {
  min-height: 0;
}

/* ---------- 版本时间轴 ---------- */

.page-news .news-timeline__figure {
  margin: 0 0 clamp(1.5rem, 3vw, 2.25rem);
}

.page-news .tl {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.1rem, 2.4vw, 1.75rem);
}

.page-news .tl-item {
  position: relative;
  padding-left: 1.35rem;
  border-left: 1px solid var(--grid);
}

.page-news .tl-node {
  display: inline-block;
  margin-bottom: .5rem;
  padding: .22rem .55rem;
  font-size: .74rem;
  color: var(--cyan);
  background: var(--void);
  border: 1px solid var(--cyan-a34);
}

.page-news .tl-item--now .tl-node {
  color: var(--void);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-news .tl-title {
  margin: 0 0 .35rem;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--ink);
}

.page-news .tl-note {
  margin: 0;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--muted);
  opacity: .82;
  transition: opacity .2s ease, transform .2s ease, color .2s ease;
}

.page-news .tl-item:hover .tl-note,
.page-news .tl-item:focus-within .tl-note {
  opacity: 1;
  color: var(--ink);
  transform: translateY(-2px);
}

/* ---------- 往期回看 ---------- */

.page-news .news-archive__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 2.5vw, 2rem);
}

.page-news .news-archive__lead {
  margin: .8rem 0 1.4rem;
  max-width: 40em;
  font-size: .98rem;
  line-height: 1.8;
  color: var(--body-ink);
}

.page-news .news-archive__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .25rem;
}

.page-news .news-archive__list li {
  display: flex;
  gap: .85rem;
  padding: .85rem 0;
  border-top: 1px solid var(--grid);
  font-size: .93rem;
  line-height: 1.7;
  color: var(--body-ink);
}

.page-news .news-archive__list li:last-child {
  border-bottom: 1px solid var(--grid);
}

.page-news .news-archive__list .mono {
  flex: 0 0 auto;
  color: var(--cyan);
  font-size: .78rem;
  padding-top: .2rem;
}

.page-news .news-archive__list strong {
  color: var(--ink);
  font-weight: 600;
}

.page-news .news-remind {
  padding: clamp(1.1rem, 2vw, 1.6rem);
  background: var(--console);
  border: 1px solid var(--grid);
  border-top: 2px solid var(--violet);
  align-self: start;
}

.page-news .news-remind__tag {
  margin: 0 0 .6rem;
  font-size: .74rem;
  color: var(--violet-soft);
  letter-spacing: .12em;
}

.page-news .news-remind__title {
  margin: 0 0 .7rem;
  font-size: 1.1rem;
  line-height: 1.45;
  color: var(--ink);
}

.page-news .news-remind__text {
  margin: 0 0 1.2rem;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--body-ink);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-news .news-feed {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-item--xl,
  .page-news .news-item--wide {
    grid-column: span 2;
  }

  .page-news .news-item--xl {
    min-height: 300px;
  }

  .page-news .news-item--lg {
    min-height: 236px;
  }

  .page-news .news-item--md {
    min-height: 198px;
  }

  .page-news .news-item--sm {
    min-height: 170px;
  }
}

@media (min-width: 900px) {
  .page-news .news-board__body {
    grid-template-columns: 104px minmax(0, 1fr);
    align-items: start;
  }

  .page-news .tag-axis {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .tag-btn {
    flex-direction: column;
    justify-content: center;
    gap: .7rem;
    width: 100%;
    min-height: 118px;
    padding: 1rem .3rem;
  }

  .page-news .tag-btn__label {
    writing-mode: vertical-rl;
    letter-spacing: .28em;
    font-size: .92rem;
  }

  .page-news .news-archive__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  }

  .page-news .tl {
    position: relative;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: var(--gap);
    padding-top: 3.1rem;
  }

  .page-news .tl::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 43px;
    height: 1px;
    background: linear-gradient(90deg, var(--steel), var(--cyan-a34) 55%, var(--cyan));
  }

  .page-news .tl-item {
    padding: 0 1rem 0 0;
    border-left: 0;
  }

  .page-news .tl-node {
    position: absolute;
    top: -3.1rem;
    left: 0;
    z-index: 1;
    margin-bottom: 0;
  }
}

@media (min-width: 1080px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 2fr) minmax(0, 3fr);
  }

  .page-news .news-hero__viz {
    min-height: 0;
  }
}

@media (min-width: 1180px) {
  .page-news .news-feed {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-item--xl {
    grid-column: span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-item::before,
  .page-news .tag-btn,
  .page-news .tl-note,
  .page-news .news-next__link {
    transition: none;
  }

  .page-news .tl-item:hover .tl-note,
  .page-news .tl-item:focus-within .tl-note {
    transform: none;
  }
}