.page-news {
  --np-railw: 210px;
  --np-line: rgba(20, 16, 13, .13);
  --np-tick: rgba(20, 16, 13, .22);
  color: var(--ink);
  padding-bottom: 92px;
}

/* ---------- 首屏 masthead ---------- */
.page-news .np-masthead {
  margin-top: 26px;
  padding: 4px 0 6px;
}

.page-news .np-masthead::before {
  content: "";
  display: block;
  width: 128px;
  height: 6px;
  border-radius: 999px;
  margin-bottom: 24px;
  background: linear-gradient(90deg, var(--blue), var(--violet) 62%, var(--orange));
}

.page-news .np-masthead h1 {
  margin: 14px 0 0;
  max-width: 15em;
  font-size: clamp(1.85rem, 5.4vw, 3rem);
  font-weight: 900;
  font-style: italic;
  letter-spacing: -.02em;
  line-height: 1.24;
  color: var(--ink);
}

.page-news .np-masthead__lead {
  margin: 18px 0 0;
  max-width: 42em;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-news .np-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  margin: 24px 0 0;
  padding: 16px 0 0;
  border-top: 1px dashed var(--np-line);
  list-style: none;
}

.page-news .np-facts li {
  position: relative;
  padding-left: 16px;
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .05em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.page-news .np-facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--blue);
  transform: rotate(45deg);
}

.page-news .np-facts li:nth-child(2)::before { background: var(--violet); }
.page-news .np-facts li:nth-child(3)::before { background: var(--orange); }

/* ---------- 双栏骨架 ---------- */
.page-news .np-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  margin-top: 40px;
}

@media (min-width: 960px) {
  .page-news .np-layout {
    grid-template-columns: var(--np-railw) minmax(0, 1fr);
    gap: 58px;
    align-items: start;
  }
}

/* ---------- 左侧刻度索引 ---------- */
.page-news .np-rail {
  display: none;
}

@media (min-width: 960px) {
  .page-news .np-rail {
    display: block;
    position: sticky;
    top: 96px;
    padding-bottom: 18px;
    border-left: 1px solid var(--np-line);
    padding-left: 18px;
  }
}

.page-news .np-rail__label {
  margin: 0 0 14px;
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.page-news .np-rail__link {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--np-line);
  text-decoration: none;
  color: var(--muted);
  font-size: .9rem;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-news .np-rail__link:hover,
.page-news .np-rail__link:focus-visible {
  color: var(--ink);
  padding-left: 8px;
}

.page-news .np-rail__num {
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--blue);
  font-variant-numeric: tabular-nums;
}

.page-news .np-rail__text {
  font-weight: 700;
  line-height: 1.4;
}

.page-news .np-rail__tick {
  width: 14px;
  height: 1px;
  background: var(--np-tick);
  transition: width var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .np-rail__link:hover .np-rail__tick,
.page-news .np-rail__link:focus-visible .np-rail__tick {
  width: 28px;
  background: var(--orange);
}

.page-news .np-rail__note {
  margin: 20px 0 0;
  font-size: .8rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 分类筛选 ---------- */
.page-news .np-filter {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  margin: 0 0 6px;
  padding: 8px 2px 14px;
  scrollbar-width: none;
}

.page-news .np-filter::-webkit-scrollbar { display: none; }

.page-news .np-filter__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .np-chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border: 1px solid var(--np-line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--ink);
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .06em;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
              border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .np-chip:hover,
.page-news .np-chip:focus-visible {
  border-color: var(--blue);
  color: var(--blue-deep);
}

.page-news .np-filter__radio:checked + .np-chip {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

.page-news .np-filter__radio:focus-visible + .np-chip {
  outline: 2px solid var(--violet);
  outline-offset: 2px;
}

/* 纯前端分类过滤 */
.page-news:has(#np-f-transfer:checked) .np-sec:not(.np-sec--transfer) { display: none; }
.page-news:has(#np-f-match:checked) .np-sec:not(.np-sec--match) { display: none; }
.page-news:has(#np-f-version:checked) .np-sec:not(.np-sec--version) { display: none; }
.page-news:has(#np-f-data:checked) .np-sec:not(.np-sec--data) { display: none; }
.page-news:has(#np-f-community:checked) .np-sec:not(.np-sec--community) { display: none; }

/* ---------- 章节 ---------- */
.page-news .np-sec {
  scroll-margin-top: 128px;
  padding-top: 6px;
}

.page-news .np-sec + .np-sec {
  margin-top: 60px;
}

.page-news .np-sec__head {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--np-line);
}

.page-news .np-sec__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 66px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--blue), var(--violet));
}

.page-news .np-sec__num {
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--blue);
  font-variant-numeric: tabular-nums;
}

.page-news .np-sec__head h2 {
  margin: 0;
  font-size: clamp(1.3rem, 3.4vw, 1.72rem);
  font-weight: 900;
  font-style: italic;
  letter-spacing: -.01em;
  line-height: 1.3;
  color: var(--ink);
}

.page-news .np-sec__meta {
  margin-left: auto;
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.page-news .np-sec__lead {
  margin: 18px 0 4px;
  max-width: 40em;
  font-size: .96rem;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 条目列表 ---------- */
.page-news .np-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.page-news .np-item {
  position: relative;
  padding: 22px 16px;
  border-radius: var(--radius-m);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}

.page-news .np-item::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 0;
  height: 1px;
  background: var(--np-line);
  transition: opacity var(--dur) var(--ease);
}

.page-news .np-item:last-child::after { opacity: 0; }

.page-news .np-item:hover {
  background: var(--panel);
  box-shadow: var(--shadow-panel);
  transform: translateY(-2px);
}

.page-news .np-item:hover::after { opacity: 0; }

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

.page-news .np-tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 9px;
  border-radius: 6px;
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .06em;
  line-height: 1;
  white-space: nowrap;
}

.page-news .np-tag--transfer {
  background: var(--orange-sand);
  color: var(--ink);
}

.page-news .np-tag--match {
  background: var(--blue);
  color: #fff;
}

.page-news .np-tag--version {
  background: rgba(123, 47, 242, .14);
  color: var(--violet);
}

.page-news .np-tag--data {
  background: var(--blue-mist);
  color: var(--blue-deep);
}

.page-news .np-tag--community {
  background: rgba(255, 107, 0, .16);
  color: #A84200;
}

.page-news .np-item__time {
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.page-news .np-item__time b {
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--blue-deep);
  margin: 0 1px;
}

.page-news .np-item__title {
  margin: 11px 0 7px;
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.55;
  color: var(--ink);
}

.page-news .np-item__sum {
  margin: 0;
  max-width: 40em;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--muted);
}

/* 首条带右侧配图 */
@media (min-width: 760px) {
  .page-news .np-item--feature {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 292px;
    gap: 26px;
    align-items: center;
  }
}

/* ---------- 图片 ---------- */
.page-news .np-fig {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-m);
  background: var(--blue-mist);
  aspect-ratio: 1200 / 760;
  position: relative;
}

.page-news .np-fig::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 102, 255, .16), rgba(123, 47, 242, .12) 55%, rgba(255, 107, 0, 0) 80%);
  pointer-events: none;
}

.page-news .np-fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .np-fig--wide { aspect-ratio: 5 / 3; }

.page-news .np-fig--side { margin-top: 16px; }

@media (min-width: 760px) {
  .page-news .np-fig--side { margin-top: 0; }
}

.page-news .np-fig--inline {
  margin-top: 16px;
  max-width: 520px;
}

.page-news .np-sec__fig {
  margin-top: 28px;
}

.page-news .np-fig__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 22px 16px 12px;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .04em;
  line-height: 1.6;
  color: #fff;
  background: linear-gradient(transparent, rgba(11, 16, 48, .78));
}

/* ---------- 展开收起 ---------- */
.page-news .np-more {
  margin-top: 12px;
}

.page-news .np-more > summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--blue-deep);
  transition: color var(--dur) var(--ease);
}

.page-news .np-more > summary::-webkit-details-marker { display: none; }

.page-news .np-more > summary::after {
  content: "+";
  font-size: 1rem;
  line-height: 1;
  color: var(--blue);
  transition: transform var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .np-more[open] > summary::after {
  content: "−";
  color: var(--orange);
}

.page-news .np-more > summary:hover,
.page-news .np-more > summary:focus-visible {
  color: var(--blue);
}

.page-news .np-more__a {
  margin: 10px 0 0;
  max-width: 40em;
  padding: 14px 16px;
  border-radius: var(--radius-s);
  background: var(--blue-mist);
  font-size: .9rem;
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 更新节奏 ---------- */
.page-news .np-cadence {
  margin: 20px 0 0;
  padding: 0;
  border-top: 1px solid var(--np-line);
}

.page-news .np-cadence__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 16px;
  border-bottom: 1px solid var(--np-line);
  transition: background var(--dur) var(--ease);
}

.page-news .np-cadence__row:hover { background: var(--panel); }

@media (min-width: 640px) {
  .page-news .np-cadence__row {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

.page-news .np-cadence dt {
  font-size: .95rem;
  font-weight: 800;
  line-height: 1.5;
  color: var(--ink);
}

.page-news .np-cadence dd {
  margin: 0;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 延伸入口 ---------- */
.page-news .np-next {
  margin-top: 30px;
  padding: 24px 20px;
  border-radius: var(--radius-l);
  background: var(--panel);
  box-shadow: var(--shadow-panel);
  border-left: 4px solid var(--orange);
}

.page-news .np-next__text {
  margin: 0;
  max-width: 42em;
  font-size: .94rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-news .np-next__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .np-rail__link,
  .page-news .np-chip,
  .page-news .np-item,
  .page-news .np-item::after,
  .page-news .np-more > summary::after,
  .page-news .np-rail__tick,
  .page-news .np-cadence__row {
    transition: none;
  }

  .page-news .np-item:hover { transform: none; }
}
<<<END>>>