.page-news {
  --news-rail: 72px;
}

.page-news h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 8px 0 0;
  color: var(--text);
}

.page-news .img-frame img {
  max-width: 100%;
  height: auto;
}

/* ---------- 01 首屏 ---------- */
.page-news .news-hero__frame {
  position: relative;
  margin-top: 18px;
  padding: clamp(38px, 6vw, 72px) clamp(20px, 4vw, 52px) clamp(30px, 5vw, 54px);
  border: 1px solid var(--line);
  background-color: var(--ink-2);
  background-image:
    repeating-linear-gradient(90deg, var(--grid-line) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(0deg, var(--grid-line) 0 1px, transparent 1px 32px);
  overflow: hidden;
}

.page-news .news-hero__frame::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px dashed rgba(63, 224, 200, 0.16);
  pointer-events: none;
}

.page-news .news-hero__coord {
  position: absolute;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-news .news-hero__coord--tl { top: 16px; left: 20px; }
.page-news .news-hero__coord--tr { top: 16px; right: 20px; }

.page-news .news-hero .section__label { color: var(--cyan-soft); }

.page-news .news-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 6.4vw, 60px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 800;
  margin: 12px 0 18px;
  color: var(--text);
  max-width: 18em;
  position: relative;
  z-index: 1;
}

.page-news .news-hero .lede {
  position: relative;
  z-index: 1;
  max-width: 46ch;
}

/* ---------- 02 本批优先阅读 ---------- */
.page-news .news-priority__head {
  display: grid;
  gap: 20px;
  margin-bottom: 30px;
  min-width: 0;
}

.page-news .news-priority__figure {
  margin: 0;
  min-width: 0;
}

.page-news .news-priority__band {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.page-news .news-card {
  position: relative;
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--ink-3);
  padding: 22px 20px 24px;
  transition: border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-news .news-card:hover {
  border-color: var(--cyan);
  background: var(--ink-2);
}

.page-news .news-card__tag {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--cyan-soft);
  border: 1px solid var(--line-cyan);
  padding: 3px 9px;
}

.page-news .news-card:first-child .news-card__tag {
  color: var(--amber);
  border-color: rgba(255, 168, 61, 0.5);
}

.page-news .news-card h3 {
  font-family: var(--font-display);
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
  color: var(--text);
}

.page-news .news-card p {
  margin: 0 0 16px;
  color: var(--text-2);
  font-size: 15.5px;
  line-height: 1.72;
}

.page-news .news-card__link {
  display: inline-block;
  font-size: 14.5px;
  color: var(--cyan-soft);
  text-decoration: none;
  padding-bottom: 2px;
}

.page-news .news-card__link,
.page-news .index-link {
  background-image: linear-gradient(var(--cyan), var(--cyan));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 1px;
  transition: background-size 160ms var(--ease), color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-news .news-card__link:hover,
.page-news .index-link:hover {
  background-size: 100% 1px;
  color: var(--cyan-soft);
}

/* ---------- 03 维护批次 ---------- */
.page-news .news-batches__figure {
  margin: 26px 0 0;
}

.page-news .batch-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .batch-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 10px;
  border-bottom: 1px solid var(--line);
}

.page-news .batch-item__rail {
  position: sticky;
  top: calc(var(--bar-h) + 18px);
  align-self: start;
  padding-top: 22px;
}

.page-news .batch-item__no {
  display: block;
  font-size: 17px;
  letter-spacing: 0.04em;
  color: var(--cyan-soft);
}

.page-news .batch-item__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 22px;
  grid-template-areas:
    "title sign"
    "meta sign";
  align-items: center;
  column-gap: 14px;
  row-gap: 6px;
  width: 100%;
  padding: 20px 0;
  background: none;
  border: 0;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-news .batch-item__title {
  grid-area: title;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.1vw, 21px);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.005em;
  color: var(--text);
  transition: color 160ms var(--ease);
}

.page-news .batch-item__meta {
  grid-area: meta;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-news .batch-item__head .fold__sign {
  grid-area: sign;
  justify-self: end;
  align-self: center;
}

.page-news .batch-item__head:hover .batch-item__title {
  color: var(--cyan-soft);
}

.page-news .batch-item .fold__inner {
  padding: 0 0 24px;
}

.page-news .batch-item .fold__inner p {
  margin: 0 0 12px;
  color: var(--text-2);
  font-size: 15.5px;
  line-height: 1.75;
  max-width: 62ch;
}

.page-news .batch-item .fold__inner ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .batch-item .fold__inner li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 7px;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.68;
}

.page-news .batch-item .fold__inner li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 7px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 04 专题系列 ---------- */
.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0;
}

.page-news .filter-tab {
  appearance: none;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 8px 15px;
  cursor: pointer;
  transition: border-color 160ms var(--ease), color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-news .filter-tab:hover {
  border-color: var(--line-cyan);
  color: var(--text);
}

.page-news .filter-tab[aria-pressed="true"] {
  border-color: var(--cyan);
  background: rgba(63, 224, 200, 0.1);
  color: var(--cyan-soft);
}

.page-news .topic-grid {
  display: grid;
  gap: 20px;
  min-width: 0;
}

.page-news .topic-block {
  min-width: 0;
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  background: var(--ink-2);
  padding: 24px 22px 26px;
  transition: background-color 180ms var(--ease);
}

.page-news .topic-block--doc { border-top-color: var(--cyan-soft); }
.page-news .topic-block--export { border-top-color: var(--amber); }
.page-news .topic-block--migrate { border-top-color: var(--danger); }

.page-news .topic-block:hover {
  background: var(--ink-3);
}

.page-news .topic-block h3 {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  color: var(--text);
}

.page-news .topic-block__desc {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.72;
}

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

.page-news .topic-list li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  padding: 11px 10px;
  border-top: 1px solid var(--line);
  box-shadow: inset 2px 0 0 transparent;
  font-size: 15px;
  line-height: 1.62;
  color: var(--text-2);
  transition: box-shadow 160ms var(--ease), color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-news .topic-list li:hover {
  box-shadow: inset 2px 0 0 var(--cyan);
  background: rgba(63, 224, 200, 0.04);
  color: var(--text);
}

.page-news .topic-list .mono {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-news .topic-figure {
  margin: 18px 0 0;
}

/* ---------- 05 更新节奏 ---------- */
.page-news .cadence-grid {
  display: grid;
  gap: 22px;
  margin-top: 26px;
  min-width: 0;
}

.page-news .cadence-main p {
  margin: 0 0 16px;
  color: var(--text-2);
  font-size: 16px;
  line-height: 1.8;
  max-width: 38em;
}

.page-news .cadence-main p:last-child {
  margin-bottom: 0;
}

.page-news .cadence-aside {
  border: 1px solid var(--line);
  border-left: 2px solid var(--amber);
  background: var(--ink-2);
  padding: 22px 20px 24px;
}

.page-news .cadence-aside h3 {
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.01em;
  margin: 0 0 12px;
  color: var(--text);
}

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

.page-news .cadence-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--text-2);
}

.page-news .cadence-list li:last-child {
  margin-bottom: 0;
}

.page-news .cadence-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 8px;
  height: 1px;
  background: var(--amber);
}

/* ---------- 06 历史索引 ---------- */
.page-news .index-grid {
  margin-top: 24px;
  border-top: 1px solid var(--line);
}

.page-news .index-row {
  display: grid;
  gap: 8px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .index-row__key {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan-soft);
}

.page-news .index-row__val {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  min-width: 0;
}

.page-news .index-link {
  color: var(--text-2);
  font-size: 14.5px;
  text-decoration: none;
  padding-bottom: 2px;
}

.page-news .index-foot {
  margin: 20px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .index-foot .index-link {
  color: var(--cyan-soft);
}

/* ---------- 07 帮助入口 ---------- */
.page-news .help-band {
  display: grid;
  gap: 22px;
  border: 1px solid var(--line-cyan);
  background:
    linear-gradient(135deg, rgba(63, 224, 200, 0.09), rgba(255, 168, 61, 0.06)),
    var(--ink-2);
  padding: clamp(24px, 4vw, 44px);
}

.page-news .help-band h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 34px);
  letter-spacing: -0.015em;
  margin: 8px 0 12px;
  color: var(--text);
}

.page-news .help-band p {
  margin: 0;
  color: var(--text-2);
  font-size: 15.5px;
  line-height: 1.78;
  max-width: 48ch;
}

.page-news .help-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .batch-item {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: 24px;
  }

  .page-news .batch-item__head {
    grid-template-columns: minmax(0, 1fr) auto 22px;
    grid-template-areas: "title meta sign";
    row-gap: 0;
  }
}

@media (min-width: 820px) {
  .page-news .help-band {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 36px;
    align-items: center;
  }

  .page-news .help-band__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 880px) {
  .page-news .news-priority__band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
    align-items: start;
  }

  .page-news .news-priority__band > .news-card:nth-child(1) { margin-top: 34px; }
  .page-news .news-priority__band > .news-card:nth-child(2) { margin-top: 0; }
  .page-news .news-priority__band > .news-card:nth-child(3) { margin-top: 62px; }
}

@media (min-width: 900px) {
  .page-news .news-priority__head {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 32px;
    align-items: end;
  }

  .page-news .cadence-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 40px;
    align-items: start;
  }
}

@media (min-width: 940px) {
  .page-news .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
    align-items: start;
  }
}
<<<END>>>