.page-news {
  --news-line: rgba(95, 208, 220, 0.18);
  --news-line-soft: rgba(95, 208, 220, 0.08);
  --news-muted: #B8E8EE;
  --news-body-ink: #DCE9ED;
  --news-bg-card: rgba(14, 43, 69, 0.55);
  color: var(--nm-snow);
}

.page-news .news-intro {
  padding: clamp(40px, 7vw, 88px) 0 clamp(24px, 4vw, 40px);
  border-bottom: 1px solid var(--news-line-soft);
  margin-bottom: clamp(40px, 6vw, 72px);
}

.page-news .news-intro__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 4.6vw, 3.2rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
  color: var(--nm-snow);
  max-width: 22ch;
}

.page-news .news-intro__lede {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.78;
  color: var(--news-body-ink);
  max-width: 68ch;
  margin: 0;
}

.page-news .news-feed,
.page-news .news-versions,
.page-news .news-notes,
.page-news .news-revisit {
  padding-bottom: clamp(48px, 7vw, 88px);
  border-bottom: 1px solid var(--news-line-soft);
  margin-bottom: clamp(48px, 7vw, 88px);
}

.page-news .news-revisit {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: clamp(32px, 5vw, 64px);
}

/* ---- 图例与标签 ---- */
.page-news .news-feed__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.6rem;
  margin: 0 0 clamp(16px, 2vw, 24px);
  padding: 0.85rem 0;
  border-top: 1px solid var(--news-line-soft);
  border-bottom: 1px solid var(--news-line-soft);
}

.page-news .tag {
  display: inline-flex;
  align-items: center;
  padding: 0.12rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  border-radius: 2px;
  border: 1px solid currentColor;
  white-space: nowrap;
  line-height: 1.6;
}

.page-news .tag--version {
  color: #E89686;
  border-color: rgba(200, 64, 47, 0.5);
  background: rgba(200, 64, 47, 0.13);
}

.page-news .tag--addition {
  color: var(--nm-frost);
  border-color: rgba(95, 208, 220, 0.45);
  background: rgba(95, 208, 220, 0.09);
}

.page-news .tag--maintenance {
  color: #A9BCCD;
  border-color: rgba(126, 147, 166, 0.5);
  background: rgba(126, 147, 166, 0.12);
}

.page-news .tag--review {
  color: #84D4BB;
  border-color: rgba(47, 110, 94, 0.6);
  background: rgba(47, 110, 94, 0.16);
}

.page-news .tag--notes {
  color: var(--nm-copper);
  border-color: rgba(215, 162, 76, 0.5);
  background: rgba(215, 162, 76, 0.1);
}

/* ---- 动态列表 ---- */
.page-news .news-feed__banner {
  margin: 0 0 clamp(16px, 2vw, 24px);
  border: 1px solid var(--news-line-soft);
  border-radius: 2px;
  overflow: hidden;
}

.page-news .news-feed__banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

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

.page-news .news-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 1.1rem;
  padding: 1rem 0.5rem 1rem 0;
  border-bottom: 1px solid var(--news-line-soft);
  transition: background var(--t-fast) var(--ease);
}

.page-news .news-row:hover,
.page-news .news-row:focus-within {
  background: rgba(95, 208, 220, 0.035);
}

.page-news .news-row__time {
  flex: 0 0 100%;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--nm-rock);
  line-height: 1.5;
}

.page-news .news-row__body {
  flex: 1 1 300px;
  min-width: 0;
}

.page-news .news-row__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
  letter-spacing: -0.005em;
  margin: 0;
  color: var(--nm-snow);
}

.page-news .news-row__brief {
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--nm-rock);
  margin: 0.35rem 0 0;
}

.page-news .news-row > .tag {
  flex: 0 0 auto;
  align-self: flex-start;
  margin-top: 0.15rem;
}

/* ---- 版本更新记录 ---- */
.page-news .version-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-news .version-card {
  position: relative;
  padding: 1.5rem 1.25rem 1.35rem;
  background: var(--news-bg-card);
  border: 1px solid var(--news-line-soft);
  border-radius: 2px;
  display: flex;
  flex-direction: column;
}

.page-news .version-card--std {
  box-shadow: inset 3px 0 0 0 var(--nm-maple);
}

.page-news .version-card--pro {
  box-shadow: inset 3px 0 0 0 var(--nm-copper);
}

.page-news .version-card__head {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 0.9rem;
}

.page-news .version-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1.4;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--nm-snow);
}

.page-news .version-card__list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  flex: 1;
}

.page-news .version-card__list li {
  position: relative;
  padding-left: 1.15rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--news-body-ink);
}

.page-news .version-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 1px;
  background: var(--nm-ice);
}

.page-news .version-card .btn {
  align-self: flex-start;
}

.page-news .news-versions__visual {
  border: 1px solid var(--news-line-soft);
  border-radius: 2px;
  overflow: hidden;
  margin: 0;
}

.page-news .news-versions__visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---- 索引笔记专题 ---- */
.page-news .notes-track {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.2rem 0 1.1rem;
  margin-bottom: clamp(20px, 3vw, 32px);
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--nm-ice) transparent;
}

.page-news .notes-track:focus-visible {
  outline: 2px solid var(--nm-ice);
  outline-offset: 4px;
}

.page-news .notes-card {
  flex: 0 0 min(300px, 78vw);
  scroll-snap-align: start;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  min-height: 210px;
  padding: 1.4rem 1.2rem;
  background: var(--news-bg-card);
  border: 1px solid var(--news-line-soft);
  border-top: 2px solid var(--nm-copper);
  border-radius: 2px;
}

.page-news .notes-card__issue {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--nm-copper);
  text-transform: uppercase;
}

.page-news .notes-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.4;
  letter-spacing: -0.005em;
  margin: 0;
  color: var(--nm-snow);
}

.page-news .notes-card__text {
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--news-body-ink);
  margin: 0;
}

.page-news .news-notes__visual {
  border: 1px solid var(--news-line-soft);
  border-radius: 2px;
  overflow: hidden;
  margin: 0;
}

.page-news .news-notes__visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---- 回访指引 ---- */
.page-news .revisit-steps {
  list-style: none;
  padding: 0;
  margin: 0 0 clamp(20px, 3vw, 32px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-news .revisit-step {
  position: relative;
  padding: 1.5rem 1.25rem;
  background: rgba(27, 74, 107, 0.22);
  border: 1px solid var(--news-line-soft);
  border-radius: 2px;
}

.page-news .revisit-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--nm-copper);
  margin-bottom: 0.75rem;
}

.page-news .revisit-step__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.4;
  margin: 0 0 0.5rem;
  color: var(--nm-snow);
}

.page-news .revisit-step__text {
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--news-body-ink);
  margin: 0;
}

.page-news .revisit-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.page-news .revisit-note {
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--nm-rock);
  border-left: 2px solid var(--nm-ice);
  padding-left: 0.9rem;
  margin: 0 0 clamp(24px, 3vw, 36px);
  max-width: 56em;
}

.page-news .news-revisit__visual {
  border: 1px solid var(--news-line-soft);
  border-radius: 2px;
  overflow: hidden;
  margin: 0;
}

.page-news .news-revisit__visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---- 平板与桌面 ---- */
@media (min-width: 720px) {
  .page-news .version-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border: 1px solid var(--news-line-soft);
    border-radius: 2px;
    overflow: hidden;
  }

  .page-news .version-card {
    border: none;
    border-radius: 0;
  }

  .page-news .version-card--std {
    border-right: 1px solid var(--news-line);
  }

  .page-news .revisit-steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 860px) {
  .page-news .news-row {
    flex-wrap: nowrap;
    align-items: flex-start;
    padding: 1.1rem 0.5rem 1.1rem 0;
  }

  .page-news .news-row__time {
    flex: 0 0 132px;
    padding-top: 0.15rem;
  }

  .page-news .news-row__body {
    flex: 1 1 auto;
  }

  .page-news .news-row > .tag {
    flex: 0 0 auto;
    margin-top: 0.2rem;
  }

  .page-news .news-row__brief {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    margin-top: 0;
    transition: max-height var(--t-base) var(--ease),
                opacity var(--t-base) var(--ease),
                margin-top var(--t-base) var(--ease);
  }

  .page-news .news-row:hover .news-row__brief,
  .page-news .news-row:focus-within .news-row__brief {
    max-height: 9em;
    opacity: 1;
    margin-top: 0.4rem;
  }

  .page-news .notes-track {
    gap: 1.25rem;
  }

  .page-news .notes-card {
    flex: 0 0 320px;
  }
}

@media (min-width: 1100px) {
  .page-news .news-intro__lede {
    font-size: 1.05rem;
  }

  .page-news .news-row__time {
    flex: 0 0 152px;
  }

  .page-news .version-card {
    padding: 2rem 1.75rem 1.6rem;
  }

  .page-news .notes-card {
    flex: 0 0 340px;
    min-height: 220px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-row,
  .page-news .news-row__brief {
    transition: none;
  }
}