.page-news {
  --news-gap: clamp(16px, 2.2vw, 26px);
  --news-pad: clamp(16px, 2vw, 22px);
}

.page-news h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .section-head {
  margin-bottom: clamp(20px, 3vw, 36px);
}

/* ---------- 首屏 ---------- */

.page-news .topics-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(30px, 5vw, 68px) 0 clamp(26px, 3.4vw, 46px);
  border-bottom: 1px solid var(--line);
}

.page-news .topics-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(78% 120% at 100% 0%, rgba(76, 224, 200, 0.10), transparent 62%),
    radial-gradient(58% 92% at 0% 100%, rgba(198, 255, 61, 0.07), transparent 62%);
}

.page-news .topics-hero .wrap {
  position: relative;
}

.page-news .topics-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 6.4vw, 62px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  color: var(--paper);
}

.page-news .hero-grid {
  display: grid;
  gap: clamp(18px, 3vw, 40px);
}

.page-news .hero-lede {
  margin: 0;
  max-width: 46ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--pale);
}

.page-news .hero-stats {
  list-style: none;
  margin: 24px 0 0;
  padding: 16px 0 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  border-top: 1px solid var(--line);
}

.page-news .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--lime);
}

.page-news .stat-label {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--rock);
}

@media (min-width: 900px) {
  .page-news .hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
    align-items: end;
  }
  .page-news .topics-hero h1 {
    margin-top: 18px;
  }
}

/* ---------- 索引：分类刻度 + 卡片瀑布流 ---------- */

.page-news .index-layout {
  position: relative;
  display: grid;
  gap: var(--news-gap);
}

.page-news .filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-news .cat-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
}

.page-news .cat-rail label {
  flex: 0 0 auto;
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  white-space: nowrap;
  color: var(--rock);
  background: var(--moss);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
}

.page-news .cat-rail label:hover {
  color: var(--paper);
  border-color: var(--line-strong);
}

.page-news .feed-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--news-gap);
}

.page-news .feed-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(42, 59, 50, 0.72), rgba(18, 17, 15, 0.52));
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.page-news .feed-card:hover,
.page-news .feed-card:focus-within {
  border-color: var(--lime);
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.34);
}

.page-news .feed-body {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--news-pad);
}

.page-news .feed-media {
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--ink);
}

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

.page-news .feed-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .feed-no {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--lime);
}

.page-news .feed-time {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--rock);
}

.page-news .cat-tag {
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  border: 1px solid currentColor;
  border-radius: 2px;
}

.page-news .cat-tag--flash { color: var(--lime); }
.page-news .cat-tag--data { color: var(--pulse); }
.page-news .cat-tag--change { color: var(--clay); }
.page-news .cat-tag--column { color: var(--orange); }

.page-news .feed-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2.1vw, 21px);
  line-height: 1.38;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .feed-sum {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--pale);
}

.page-news .feed-extra {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 240ms ease;
}

.page-news .feed-extra > p {
  overflow: hidden;
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--rock);
}

.page-news .feed-card:hover .feed-extra,
.page-news .feed-card:focus-within .feed-extra {
  grid-template-rows: 1fr;
}

.page-news .feed-item--lead .feed-title {
  font-size: clamp(20px, 2.8vw, 27px);
}

@media (min-width: 760px) {
  .page-news .feed-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .feed-item--lead {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-news .feed-item--lead .feed-card {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    min-height: 320px;
  }
  .page-news .feed-item--lead .feed-body {
    grid-column: 1;
    grid-row: 1;
  }
  .page-news .feed-item--lead .feed-media {
    grid-column: 2;
    grid-row: 1;
    aspect-ratio: auto;
    height: 100%;
  }
}

/* 分类刻度：桌面端钉在左侧 */

@media (min-width: 1000px) {
  .page-news .index-layout {
    grid-template-columns: 186px minmax(0, 1fr);
    gap: clamp(24px, 3.4vw, 48px);
  }

  .page-news .cat-rail {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0 0 0 18px;
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .page-news .cat-rail label {
    position: relative;
    padding: 12px 0;
    text-align: left;
    background: transparent;
    border: 0;
    border-radius: 0;
    color: var(--rock);
  }

  .page-news .cat-rail label::before {
    content: "";
    position: absolute;
    left: -18px;
    top: 50%;
    width: 9px;
    height: 1px;
    background: var(--rock);
    transition: width 180ms ease, background 180ms ease;
  }
}

.page-news #f-all:checked ~ .cat-rail [for="f-all"],
.page-news #f-flash:checked ~ .cat-rail [for="f-flash"],
.page-news #f-data:checked ~ .cat-rail [for="f-data"],
.page-news #f-change:checked ~ .cat-rail [for="f-change"],
.page-news #f-column:checked ~ .cat-rail [for="f-column"] {
  color: var(--ink);
  background: var(--lime);
  border-color: var(--lime);
}

.page-news #f-all:focus-visible ~ .cat-rail [for="f-all"],
.page-news #f-flash:focus-visible ~ .cat-rail [for="f-flash"],
.page-news #f-data:focus-visible ~ .cat-rail [for="f-data"],
.page-news #f-change:focus-visible ~ .cat-rail [for="f-change"],
.page-news #f-column:focus-visible ~ .cat-rail [for="f-column"] {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-news #f-flash:checked ~ .feed-list > .feed-item:not(.cat-flash),
.page-news #f-data:checked ~ .feed-list > .feed-item:not(.cat-data),
.page-news #f-change:checked ~ .feed-list > .feed-item:not(.cat-change),
.page-news #f-column:checked ~ .feed-list > .feed-item:not(.cat-column) {
  display: none;
}

@media (min-width: 1000px) {
  .page-news #f-all:checked ~ .cat-rail [for="f-all"],
  .page-news #f-flash:checked ~ .cat-rail [for="f-flash"],
  .page-news #f-data:checked ~ .cat-rail [for="f-data"],
  .page-news #f-change:checked ~ .cat-rail [for="f-change"],
  .page-news #f-column:checked ~ .cat-rail [for="f-column"] {
    color: var(--lime);
    background: transparent;
    border-color: transparent;
  }

  .page-news #f-all:checked ~ .cat-rail [for="f-all"]::before,
  .page-news #f-flash:checked ~ .cat-rail [for="f-flash"]::before,
  .page-news #f-data:checked ~ .cat-rail [for="f-data"]::before,
  .page-news #f-change:checked ~ .cat-rail [for="f-change"]::before,
  .page-news #f-column:checked ~ .cat-rail [for="f-column"]::before {
    width: 26px;
    background: var(--pulse);
  }
}

/* ---------- 深度数据观察 ---------- */

.page-news .data-layout {
  display: grid;
  gap: clamp(22px, 3vw, 42px);
}

.page-news .data-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink);
}

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

.page-news .data-figure figcaption {
  padding: 12px 16px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--rock);
  border-top: 1px solid var(--line);
}

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

.page-news .data-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  transition: border-color 180ms ease;
}

.page-news .data-item:hover {
  border-bottom-color: var(--pulse);
}

.page-news .data-idx {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--pulse);
  border: 1px solid rgba(76, 224, 200, 0.4);
  border-radius: 2px;
}

.page-news .data-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  color: var(--paper);
}

.page-news .data-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pale);
}

@media (min-width: 900px) {
  .page-news .data-layout {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }
}

/* ---------- 产品线变更 ---------- */

.page-news .change-board {
  display: grid;
  gap: clamp(22px, 3vw, 42px);
}

.page-news .change-copy {
  padding-left: clamp(16px, 2.4vw, 28px);
  border-left: 2px solid var(--clay);
}

.page-news .change-lede {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--pale);
}

.page-news .change-steps {
  list-style: none;
  counter-reset: cstep;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-news .change-steps li {
  position: relative;
  counter-increment: cstep;
  padding-left: 46px;
}

.page-news .change-steps li::before {
  content: counter(cstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  padding: 3px 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--clay);
  border: 1px solid rgba(180, 116, 79, 0.5);
  border-radius: 2px;
}

.page-news .change-steps strong {
  display: block;
  margin-bottom: 4px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-news .change-steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--pale);
}

.page-news .change-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-news .change-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink);
}

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

.page-news .change-figure figcaption {
  padding: 12px 16px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--rock);
  border-top: 1px solid var(--line);
}

@media (min-width: 900px) {
  .page-news .change-board {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
  }
}

/* ---------- 节奏专栏 ---------- */

.page-news .column-layout {
  display: grid;
  gap: clamp(22px, 3vw, 42px);
}

.page-news .column-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink);
}

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

.page-news .column-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .column-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .col-idx {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-news .col-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  color: var(--paper);
}

.page-news .column-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pale);
}

@media (min-width: 900px) {
  .page-news .column-layout {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }
}

/* ---------- 订阅 ---------- */

.page-news .subscribe-board {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  padding: clamp(24px, 4vw, 48px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background:
    linear-gradient(140deg, rgba(198, 255, 61, 0.10), rgba(76, 224, 200, 0.04) 46%, transparent 76%),
    rgba(18, 17, 15, 0.62);
}

.page-news .subscribe-main p {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--pale);
}

.page-news .subscribe-main .btn {
  margin-top: 24px;
}

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

.page-news .subscribe-points li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .sub-num {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--lime);
  min-width: 2.4em;
}

.page-news .sub-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--rock);
}

@media (min-width: 860px) {
  .page-news .subscribe-board {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .feed-card,
  .page-news .feed-extra,
  .page-news .data-item,
  .page-news .cat-rail label,
  .page-news .cat-rail label::before {
    transition: none;
  }
  .page-news .feed-card:hover,
  .page-news .feed-card:focus-within {
    transform: none;
  }
}
<<<END>>>