.page-news {
  --news-rail: 238px;
  background: var(--ink);
  color: var(--paper);
}

.page-news [data-cat="schedule"] { --cat: var(--red); }
.page-news [data-cat="data"] { --cat: var(--mint); }
.page-news [data-cat="version"] { --cat: var(--amber); }
.page-news [data-cat="skill"] { --cat: var(--paper); }
.page-news [data-cat="feature"] { --cat: var(--teal); }

/* ---------- 页首 ---------- */
.page-news .page-news__lead {
  padding-block: clamp(24px, 4.5vw, 52px) clamp(22px, 3.4vw, 40px);
}

.page-news .page-news__title {
  margin: 10px 0 0;
  font-size: clamp(42px, 9vw, 92px);
  line-height: 1.03;
  font-weight: 900;
  letter-spacing: .05em;
}

.page-news .page-news__title::after {
  content: "";
  display: block;
  width: clamp(66px, 20vw, 176px);
  height: 6px;
  margin-top: 20px;
  background: var(--red);
}

.page-news .page-news__intro {
  max-width: 60ch;
  margin: 22px 0 0;
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.85;
  color: var(--paper-soft);
}

.page-news .page-news__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-news .page-news__fact-num {
  margin-right: 6px;
  font-size: 18px;
  font-weight: 700;
  color: var(--mint);
}

/* ---------- 头条 ---------- */
.page-news .feature {
  display: grid;
  gap: clamp(22px, 3vw, 38px);
  padding: clamp(20px, 3.4vw, 42px);
  background: var(--ink-2);
  border: 2px solid var(--line-strong);
  border-top: 10px solid var(--red);
  box-shadow: var(--shadow-hard);
}

.page-news .feature__kicker {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0;
}

.page-news .feature__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-news .feature__title {
  margin: 16px 0 0;
  font-size: clamp(27px, 4.6vw, 50px);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: .03em;
}

.page-news .feature__dek {
  max-width: 46ch;
  margin: 18px 0 24px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--paper-soft);
}

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

.page-news .feature__media img,
.page-news .series-hero img,
.page-news .entry__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .feature__media img {
  aspect-ratio: 16 / 9;
}

/* ---------- 主体两栏 ---------- */
.page-news .page-news__body {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
}

/* ---------- 栏目索引 ---------- */
.page-news .cat-rail__head {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-news .cat-rail__list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .cat-rail__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 3px 10px;
  padding: 11px 12px 12px 14px;
  background: rgba(18, 58, 87, .55);
  border-left: 4px solid var(--cat);
  color: var(--paper);
  text-decoration: none;
  transition: border-color var(--ease), background var(--ease), transform var(--ease);
}

.page-news .cat-rail__link:hover,
.page-news .cat-rail__link:focus-visible {
  background: var(--panel);
  border-left-color: var(--mint);
  transform: translateX(3px);
}

.page-news .cat-rail__link:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
}

.page-news .cat-rail__index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mint);
}

.page-news .cat-rail__name {
  grid-column: 2;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .04em;
}

.page-news .cat-rail__cadence {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-news .cat-rail__note {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 条目流 ---------- */
.page-news .feed__title {
  margin: 0 0 6px;
  font-size: clamp(24px, 3.6vw, 34px);
  font-weight: 900;
  letter-spacing: .05em;
}

.page-news .feed__note {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-news .feed__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--line-strong);
}

.page-news .entry {
  position: relative;
  padding: 20px 14px 22px 26px;
  border-bottom: 1px solid var(--line);
  transition: background var(--ease);
}

.page-news .entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 22px;
  width: 4px;
  background: var(--cat, var(--mist));
  transition: width var(--ease);
}

.page-news .entry:hover,
.page-news .entry:focus-within {
  background: rgba(18, 58, 87, .6);
}

.page-news .entry:hover::before,
.page-news .entry:focus-within::before {
  width: 10px;
}

.page-news .entry:target {
  background: rgba(53, 230, 194, .09);
}

.page-news .entry:target::before {
  width: 10px;
}

.page-news .entry__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}

.page-news .entry__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-news .entry__cat {
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--cat, var(--mist));
  border: 1px solid currentColor;
}

.page-news .entry__time {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--amber);
}

.page-news .entry__title {
  margin: 12px 0 8px;
  font-size: clamp(19px, 2.5vw, 25px);
  line-height: 1.4;
  font-weight: 700;
  letter-spacing: .03em;
}

.page-news .entry__dek {
  max-width: 58ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper-soft);
}

.page-news .entry--media {
  display: grid;
  gap: 6px;
}

.page-news .entry__figure {
  margin: 14px 0 0;
}

.page-news .entry__figure img {
  aspect-ratio: 3 / 2;
  border: 2px solid var(--line-strong);
}

/* ---------- 专题 ---------- */
.page-news .series-title {
  margin: 8px 0 clamp(20px, 3vw, 30px);
  font-size: clamp(24px, 4vw, 40px);
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: .04em;
}

.page-news .series-hero {
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.page-news .series-hero img {
  aspect-ratio: 4 / 3;
  max-height: 380px;
  border: 2px solid var(--line-strong);
  clip-path: polygon(0 0, 100% 3%, 100% 100%, 0 97%);
}

.page-news .series-hero figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .series-grid {
  display: grid;
  gap: 16px;
}

.page-news .series {
  padding: 22px 20px 26px;
  background: var(--panel);
  border: 2px solid var(--line-strong);
  border-left: 8px solid var(--cat);
  box-shadow: var(--shadow-hard-sm);
  transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}

.page-news .series:hover,
.page-news .series:focus-within {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hard);
  border-color: var(--mint);
}

.page-news .series__index {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cat);
}

.page-news .series__title {
  margin: 0 0 10px;
  font-size: clamp(20px, 2.4vw, 24px);
  font-weight: 900;
  letter-spacing: .04em;
}

.page-news .series__dek {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-soft);
}

/* ---------- 继续阅读 ---------- */
.page-news .more-grid {
  margin-top: clamp(16px, 2.4vw, 24px);
}

.page-news .more-card {
  display: block;
  text-decoration: none;
  color: inherit;
}

.page-news .more-card .card__title {
  margin: 8px 0 10px;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  letter-spacing: .03em;
  transition: color var(--ease);
}

.page-news .more-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-soft);
}

.page-news .more-card:hover .card__title,
.page-news .more-card:focus-visible .card__title {
  color: var(--mint);
}

.page-news .more-card:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .entry--media {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .85fr);
    gap: 22px;
    align-items: start;
  }

  .page-news .entry--media .entry__figure {
    margin: 4px 0 0;
  }

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

@media (min-width: 900px) {
  .page-news .page-news__body {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    column-gap: clamp(30px, 4.5vw, 68px);
  }

  .page-news .cat-rail {
    position: sticky;
    top: 26px;
    align-self: start;
  }

  .page-news .feature {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: center;
  }
}

@media (min-width: 1040px) {
  .page-news .series-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
<<<END>>>