.page-news {
  --news-rail: 4px;
  display: block;
}

.page-news .news-shell {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.page-news [data-section] {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: 24px 0 0;
}

.page-news .news-hero .eyebrow {
  margin: 0 0 16px;
  color: var(--green);
}

.page-news .news-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: end;
}

.page-news .display-xl {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(32px, 8vw, 68px);
  line-height: 1.03;
  letter-spacing: -.02em;
  color: var(--white);
  max-width: 17ch;
}

.page-news .news-lede {
  margin: 20px 0 0;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}

.page-news .hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
}

.page-news .hero-stats .stat-label {
  margin: 0;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--snow);
}

.page-news .hero-stats .stat-value {
  margin: 8px 0 0;
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  color: var(--white);
}

.page-news .hero-stats .stat-unit {
  font-size: 12px;
  font-weight: 400;
  color: var(--text);
}

.page-news .news-hero-media {
  max-width: var(--container);
  margin: 36px auto 0;
  padding: 0 20px;
}

.page-news .news-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
}

.page-news .news-hero-media .media-caption {
  margin: 10px 0 0;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--snow);
}

/* ---------- 章节索引 ---------- */
.page-news .section-index {
  display: none;
}

@media (min-width: 1520px) {
  .page-news .section-index {
    display: block;
    position: fixed;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    width: 138px;
    z-index: 4;
    padding: 14px 12px;
    background: rgba(16, 22, 27, .92);
    border: 1px solid var(--line);
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  }
}

.page-news .section-index-title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--snow);
}

.page-news .section-index-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 4px;
}

.page-news .section-index-link {
  display: block;
  padding: 6px 0 6px 10px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--text);
  text-decoration: none;
  border-left: 2px solid var(--line);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-news .section-index-link:hover,
.page-news .section-index-link:focus-visible {
  color: var(--white);
  border-color: var(--green);
}

.page-news .section-index-link.is-active {
  color: var(--green);
  border-color: var(--green);
}

/* ---------- 通用章节标题 ---------- */
.page-news .section-head h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.6vw, 42px);
  line-height: 1.05;
  letter-spacing: -.03em;
  color: var(--white);
}

.page-news .section-lede {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-news .rule-slash {
  height: 8px;
  margin: 26px 0 22px;
  background: linear-gradient(90deg, var(--green) 0 20%, var(--blue) 20% 42%, var(--orange) 42% 56%, transparent 56%);
  transform: skewY(-3deg);
  transform-origin: left center;
  opacity: .55;
}

/* ---------- 筛选 ---------- */
.page-news .filter-bar {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 0 0 14px;
  scrollbar-width: thin;
}

.page-news .filter-btn {
  flex: 0 0 auto;
  min-height: 44px;
  padding: 0 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: .08em;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  transition: border-color .18s var(--ease), color .18s var(--ease), background-color .18s var(--ease);
}

.page-news .filter-btn:hover {
  border-color: var(--green);
  color: var(--white);
}

.page-news .filter-btn:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-news .filter-btn.is-active {
  background: var(--green);
  border-color: var(--green);
  color: var(--green-ink);
}

/* ---------- 条目流 ---------- */
.page-news .story-list {
  border-top: 1px solid var(--line);
}

.page-news .story-row {
  display: grid;
  grid-template-columns: var(--news-rail) minmax(0, 1fr);
  grid-template-areas:
    "rail meta"
    "rail body"
    "rail spark";
  gap: 10px 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  transition: background-color .18s var(--ease);
}

.page-news .story-row:hover {
  background: rgba(43, 240, 155, .035);
}

.page-news .story-rail {
  grid-area: rail;
  width: 4px;
  background: var(--snow);
  opacity: .65;
}

.page-news .story-row--trend .story-rail {
  background: var(--green);
  opacity: 1;
}

.page-news .story-row--version .story-rail {
  background: var(--blue);
  opacity: 1;
}

.page-news .story-row--case .story-rail {
  background: var(--orange);
  opacity: 1;
}

.page-news .story-meta {
  grid-area: meta;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-news .story-sep {
  width: 1px;
  height: 12px;
  background: var(--line);
}

.page-news .story-time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--snow);
}

.page-news .story-body {
  grid-area: body;
}

.page-news .story-title {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-news .story-note {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}

.page-news .story-row .spark {
  grid-area: spark;
  width: 100%;
  max-width: 128px;
  height: 32px;
  display: block;
  align-self: center;
}

.page-news .spark polyline {
  fill: none;
  stroke: var(--spark, var(--snow));
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.page-news .spark circle {
  fill: var(--spark, var(--snow));
}

.page-news .spark--safe { --spark: var(--green); }
.page-news .spark--data { --spark: var(--blue); }
.page-news .spark--case { --spark: var(--orange); }
.page-news .spark--mute { --spark: var(--snow); }

@media (hover: hover) {
  .page-news .story-note {
    max-height: 0;
    margin-top: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height .3s var(--ease), opacity .3s var(--ease), margin-top .3s var(--ease);
  }

  .page-news .story-row:hover .story-note,
  .page-news .story-row:focus-within .story-note {
    max-height: 5.5em;
    margin-top: 10px;
    opacity: 1;
  }
}

/* ---------- 连载专题 ---------- */
.page-news .series-track {
  position: relative;
  padding-left: 26px;
}

.page-news .series-track::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--green), var(--blue) 55%, var(--line));
  opacity: .7;
}

.page-news .series-card {
  position: relative;
  margin-bottom: 28px;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

.page-news .series-card::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 36px;
  width: 9px;
  height: 9px;
  background: var(--green);
  transform: rotate(45deg);
}

.page-news .series-card--version::before { background: var(--blue); }
.page-news .series-card--case::before { background: var(--orange); }

.page-news .series-card-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-news .series-media {
  margin: 0;
  overflow: hidden;
  background: var(--panel-2);
}

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

.page-news .series-body .label {
  margin: 0 0 10px;
  color: var(--snow);
}

.page-news .series-body h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 24px;
  line-height: 1.1;
  letter-spacing: -.03em;
  color: var(--white);
}

.page-news .series-body > p {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-news .series-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  gap: 10px;
  margin: 18px 0;
  padding: 0;
}

.page-news .series-facts div {
  padding: 10px 12px;
  background: var(--panel-2);
  border-left: 2px solid var(--line);
}

.page-news .series-facts dt {
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--snow);
}

.page-news .series-facts dd {
  margin: 5px 0 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--white);
}

.page-news .series-facts .num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
}

/* ---------- 折叠面板 ---------- */
.page-news .fold {
  margin-top: 6px;
  background: var(--panel-2);
  border: 1px solid var(--line);
}

.page-news .fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 44px;
  padding: 12px 14px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--white);
  cursor: pointer;
  list-style: none;
}

.page-news .fold summary::-webkit-details-marker {
  display: none;
}

.page-news .fold summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--green);
}

.page-news .fold[open] summary::after {
  content: "–";
}

.page-news .fold summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: -2px;
}

.page-news .fold-body {
  margin: 0;
  padding: 0 14px 12px;
  list-style: none;
}

.page-news .fold-body li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  padding: 9px 0;
  border-top: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
}

.page-news .fold-body .story-time {
  flex: 0 0 auto;
}

/* ---------- 更新节奏 ---------- */
.page-news .cadence-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.page-news .cadence-left h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.6vw, 42px);
  line-height: 1.05;
  letter-spacing: -.03em;
  color: var(--white);
}

.page-news .cadence-left > p {
  margin: 0 0 14px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

.page-news .cadence-note a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(77, 166, 255, .4);
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-news .cadence-note a:hover {
  color: var(--white);
  border-color: var(--white);
}

.page-news .cadence-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.page-news .cadence-list li {
  counter-increment: step;
  position: relative;
  padding: 14px 0 14px 48px;
  border-bottom: 1px dashed var(--line);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

.page-news .cadence-list li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--green);
}

.page-news .cadence-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .news-shell {
    padding: 0 32px;
  }

  .page-news .news-hero-media {
    padding: 0 32px;
  }

  .page-news .story-row {
    grid-template-columns: var(--news-rail) minmax(0, 1fr) 128px;
    grid-template-areas:
      "rail meta spark"
      "rail .page-news spark";
    gap: 8px 22px;
    padding: 22px 0;
    align-items: start;
  }

  .page-news .story-title {
    font-size: 19px;
  }

  .page-news .series-card {
    padding: 26px;
  }

  .page-news .series-track {
    padding-left: 34px;
  }

  .page-news .series-card::before {
    left: -34px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
  }

  .page-news .hero-stats {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 0 0 0 22px;
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .page-news .series-card-inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 26px;
    align-items: start;
  }

  .page-news .cadence-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 56px;
  }
}

@media (min-width: 1180px) {
  .page-news .story-row {
    grid-template-columns: var(--news-rail) minmax(0, 1fr) 160px;
    padding: 24px 0;
  }

  .page-news .story-title {
    font-size: 20px;
  }

  .page-news .story-row .spark {
    max-width: 160px;
    height: 36px;
  }
}

@media (max-width: 480px) {
  .page-news .hero-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .page-news .hero-stats .stat-value {
    font-size: 22px;
  }

  .page-news .hero-stats .stat-unit {
    display: block;
    font-size: 11px;
  }
}
<<<END>>>