.page-news {
  --news-pad: clamp(1rem, 4.2vw, 3.25rem);
  --news-max: 1180px;
  --news-gap: clamp(2.5rem, 6vw, 4.5rem);
  --news-accent-soft: rgba(43, 232, 176, .42);
  --news-accent-faint: rgba(43, 232, 176, .14);
  position: relative;
  background-color: var(--ink);
  background-image:
    repeating-linear-gradient(90deg, rgba(46, 58, 80, .16) 0 1px, transparent 1px 76px),
    repeating-linear-gradient(0deg, rgba(46, 58, 80, .16) 0 1px, transparent 1px 76px);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  padding: clamp(1.75rem, 4vw, 3.25rem) 0 clamp(3rem, 6vw, 5rem);
}

.page-news .news-frame {
  max-width: var(--news-max);
  margin-inline: auto;
  padding-inline: var(--news-pad);
}

.page-news .news-frame > section + section {
  margin-top: var(--news-gap);
}

/* ---------- 报头 ---------- */
.page-news .news-masthead {
  padding-bottom: clamp(1.5rem, 3vw, 2.25rem);
  border-bottom: 1px solid var(--line);
  margin-bottom: var(--news-gap);
}

.page-news .news-masthead .crumbs {
  display: flex;
  align-items: center;
  font-size: .75rem;
  letter-spacing: .12em;
  color: var(--muted);
  margin-bottom: 1.35rem;
}

.page-news .news-masthead .crumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .news-masthead .crumbs a:hover,
.page-news .news-masthead .crumbs a:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.page-news .news-masthead .crumbs__sep {
  margin-inline: .6em;
  opacity: .55;
}

.page-news .news-masthead__kicker {
  margin: 0 0 .8rem;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .24em;
  color: var(--accent);
}

.page-news .news-masthead__title {
  margin: 0 0 1rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.85rem, 5.4vw, 3.25rem);
  line-height: 1.14;
  letter-spacing: -.02em;
  max-width: 20ch;
}

.page-news .news-masthead__lede {
  margin: 0 0 1.85rem;
  max-width: 62ch;
  font-size: 1rem;
  color: var(--text);
}

.page-news .news-masthead__lede a,
.page-news .news-item__desc a,
.page-news .news-index__hint a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--news-accent-soft);
  transition: border-color .2s var(--ease);
}

.page-news .news-masthead__lede a:hover,
.page-news .news-item__desc a:hover,
.page-news .news-index__hint a:hover {
  border-bottom-color: var(--accent);
}

.page-news .news-masthead__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .news-stat {
  background: var(--panel);
  padding: .85rem 1rem 1rem;
  min-width: 0;
}

.page-news .news-stat dt {
  margin: 0 0 .35rem;
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-news .news-stat dd {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.15rem;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-news .news-stat dd .num {
  font-size: 1.75rem;
  color: var(--accent);
  margin-right: .3rem;
}

/* ---------- 通用章节标题 ---------- */
.page-news .news-head {
  margin-bottom: 1.5rem;
}

.page-news .news-head__no {
  display: block;
  font-family: var(--font-head);
  font-size: clamp(2.25rem, 6.5vw, 4rem);
  line-height: 1;
  letter-spacing: -.04em;
  color: var(--news-accent-faint);
  margin-bottom: .15rem;
}

.page-news .news-head__title {
  margin: 0 0 .45rem;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(1.35rem, 3.8vw, 2.05rem);
  line-height: 1.22;
  letter-spacing: -.015em;
}

.page-news .news-head__sub {
  margin: 0;
  max-width: 58ch;
  font-size: .9375rem;
  color: var(--muted);
}

/* ---------- 本期头条 ---------- */
.page-news .news-feature__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel-alt);
  overflow: hidden;
}

.page-news .news-feature__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1600 / 760;
  object-fit: cover;
  filter: saturate(.85) contrast(1.02);
}

.page-news .news-feature__media::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: clamp(1.75rem, 6vw, 3.25rem);
  background: var(--panel);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  pointer-events: none;
}

.page-news .news-feature__slab {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 2px solid var(--accent);
  box-shadow: var(--shadow-plate-lg);
  padding: clamp(1.35rem, 3.4vw, 2.25rem);
}

.page-news .news-feature__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin: 0 0 .9rem;
}

.page-news .news-feature__time {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-news .news-feature__title {
  margin: 0 0 .85rem;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(1.5rem, 5vw, 2.6rem);
  line-height: 1.16;
  letter-spacing: -.02em;
  max-width: 22ch;
}

.page-news .news-feature__lede {
  margin: 0;
  max-width: 66ch;
  font-size: .9375rem;
  color: var(--muted);
}

/* ---------- 四个栏目 ---------- */
.page-news .news-columns__grid {
  list-style: none;
  margin: 0 0 1.75rem;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .news-col {
  position: relative;
  background: var(--panel);
  padding: 1.15rem 1.1rem 1.3rem 3rem;
  min-width: 0;
}

.page-news .news-col__spine {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2.05rem;
  background: var(--panel-alt);
  border-right: 1px solid var(--line);
  writing-mode: vertical-rl;
  padding: .9rem .5rem 0;
  font-family: var(--font-mono);
  font-size: .625rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--news-accent-soft);
  overflow: hidden;
}

.page-news .news-col__name {
  margin: 0 0 .45rem;
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-news .news-col__desc {
  margin: 0 0 .75rem;
  font-size: .875rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-news .news-col__freq {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .1em;
  color: var(--accent);
  padding-top: .6rem;
  border-top: 1px dashed var(--line);
}

.page-news .news-columns__figure {
  margin: 0;
}

/* ---------- 更新节奏 ---------- */
.page-news .news-rhythm__figure {
  margin: 0 0 1.25rem;
  border: 1px solid var(--line);
  background: var(--panel-alt);
  overflow: hidden;
}

.page-news .news-rhythm__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 480;
  object-fit: cover;
}

.page-news .news-rhythm__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .news-rhythm__list li {
  background: var(--panel);
  padding: .95rem 1.1rem;
  font-size: .9375rem;
  color: var(--muted);
}

.page-news .news-rhythm__list strong {
  display: inline-block;
  margin-right: .55em;
  font-weight: 600;
  color: var(--accent);
}

/* ---------- 文章索引 ---------- */
.page-news .news-index__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
}

.page-news .news-rail {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: .95rem 1rem 1.05rem;
}

.page-news .news-rail__title {
  margin: 0 0 .7rem;
  font-family: var(--font-mono);
  font-size: .625rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-news .news-rail__nav {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
}

.page-news .news-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: .45rem;
  padding: .35rem .65rem;
  background: var(--panel-alt);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: .8125rem;
  text-decoration: none;
  transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
}

.page-news .news-rail__link:hover,
.page-news .news-rail__link:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
}

.page-news .news-rail__link[aria-current] {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: inset 3px 0 0 var(--accent);
}

.page-news .news-rail__count {
  font-family: var(--font-mono);
  font-size: .6875rem;
  color: var(--muted);
}

.page-news .news-rail__note {
  margin: .9rem 0 0;
  font-size: .75rem;
  line-height: 1.65;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-news .news-flow {
  display: grid;
  gap: 2rem;
  min-width: 0;
}

.page-news .news-group {
  scroll-margin-top: 6rem;
}

.page-news .news-group__title {
  margin: 0 0 .25rem;
  padding-bottom: .55rem;
  border-bottom: 2px solid var(--line);
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--accent);
}

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

.page-news .news-item {
  position: relative;
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  gap: .7rem;
  padding: 1.05rem .25rem 1.05rem .8rem;
  border-bottom: 1px solid var(--line);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .95rem;
  bottom: .95rem;
  width: 2px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .28s var(--ease);
}

.page-news .news-item:hover::before,
.page-news .news-item:focus-within::before {
  transform: scaleY(1);
}

.page-news .news-item:hover .news-item__idx {
  color: var(--accent);
}

.page-news .news-item__idx {
  font-family: var(--font-head);
  font-size: 1.35rem;
  line-height: 1.35;
  letter-spacing: -.02em;
  color: var(--muted);
  transition: color .2s var(--ease);
}

.page-news .news-item__body {
  min-width: 0;
}

.page-news .news-item__title {
  margin: 0 0 .3rem;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
}

.page-news .news-item__desc {
  margin: 0 0 .55rem;
  font-size: .875rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin: 0;
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-news .news-index__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.page-news .news-index__hint {
  margin: 0;
  font-size: .875rem;
  color: var(--muted);
  max-width: 52ch;
}

/* ---------- 编辑推荐 ---------- */
.page-news .news-series__track {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .series-step {
  background: var(--panel);
  padding: 1.1rem 1.15rem;
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: .35rem 1rem;
}

.page-news .series-step__no {
  grid-column: 1;
  grid-row: 1 / 3;
  font-family: var(--font-head);
  font-size: 1.9rem;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--news-accent-soft);
}

.page-news .series-step__title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-news .series-step__desc {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  font-size: .875rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-news .news-series__note {
  margin: 0;
  font-size: .875rem;
  color: var(--accent);
  letter-spacing: .02em;
}

/* ---------- 收藏与回访 ---------- */
.page-news .news-keep__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.75rem;
}

.page-news .news-keep__text > p:first-child {
  margin: 0;
  font-size: 1rem;
  color: var(--text);
  max-width: 60ch;
}

.page-news .news-keep__list {
  list-style: none;
  margin: 1.35rem 0 0;
  padding: 0;
  display: grid;
  gap: .85rem;
}

.page-news .news-keep__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .8rem;
  align-items: start;
  padding-bottom: .85rem;
  border-bottom: 1px solid var(--line);
  font-size: .9375rem;
  color: var(--muted);
}

.page-news .news-keep__list .tag {
  white-space: nowrap;
}

.page-news .news-keep__figure {
  margin: 0;
}

/* ---------- 投稿与纠错 ---------- */
.page-news .news-contribute__panel {
  position: relative;
  background: var(--panel-alt);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cta);
  padding: clamp(1.35rem, 3.2vw, 2rem);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 1.5rem), 0 100%);
}

.page-news .news-contribute__lede {
  margin: 0 0 1.35rem;
  max-width: 66ch;
  font-size: .9375rem;
  color: var(--text);
}

.page-news .news-contribute__ways {
  list-style: none;
  margin: 0 0 1.15rem;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .news-contribute__ways li {
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr);
  gap: .9rem;
  align-items: baseline;
  background: var(--panel);
  padding: .8rem 1rem;
}

.page-news .news-contribute__key {
  font-size: .8125rem;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-news .news-contribute__val {
  font-family: var(--font-mono);
  font-size: .875rem;
  color: var(--text);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-news .news-contribute__hint {
  margin: 0 0 1.35rem;
  font-size: .875rem;
  color: var(--muted);
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .news-item::before,
  .page-news .news-item__idx,
  .page-news .news-rail__link {
    transition-duration: .01ms;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 600px) {
  .page-news .news-masthead__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

  .page-news .news-item {
    grid-template-columns: 3rem minmax(0, 1fr);
    gap: 1rem;
    padding-left: 1rem;
  }

  .page-news .news-item__idx {
    font-size: 1.6rem;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-news .news-masthead__title {
    max-width: 24ch;
  }

  .page-news .news-feature__slab {
    max-width: 88%;
  }

  .page-news .news-columns__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-index__body {
    grid-template-columns: 12rem minmax(0, 1fr);
    gap: 2.75rem;
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: 6rem;
    padding: 1.15rem 1rem 1.25rem;
  }

  .page-news .news-rail__nav {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: .35rem;
  }

  .page-news .news-rail__link {
    width: 100%;
    justify-content: space-between;
    border-color: transparent;
    background: transparent;
    border-left: 2px solid var(--line);
    padding: .4rem .6rem;
  }

  .page-news .news-rail__link:hover,
  .page-news .news-rail__link:focus-visible {
    background: var(--panel-alt);
    border-left-color: var(--accent);
  }

  .page-news .news-rail__link[aria-current] {
    background: var(--panel-alt);
    border-left-color: var(--accent);
    box-shadow: none;
  }

  .page-news .news-rail__note {
    writing-mode: vertical-rl;
    position: absolute;
    right: .35rem;
    top: 1.15rem;
    margin: 0;
    letter-spacing: .24em;
    max-height: 14rem;
  }

  .page-news .news-series__track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .series-step {
    display: block;
    padding: 1.35rem 1.25rem 1.5rem;
  }

  .page-news .series-step__no {
    display: block;
    margin-bottom: .6rem;
    font-size: 2.4rem;
  }

  .page-news .series-step__title {
    margin-bottom: .5rem;
  }

  .page-news .news-keep__body {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 2.5rem;
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-news .news-feature__slab {
    max-width: 74%;
  }

  .page-news .news-item {
    padding-block: 1.2rem;
  }
}
<<<END>>>