.page-news {
  --pn-grain: rgba(244, 240, 235, .05);
  --pn-line-soft: rgba(78, 62, 112, .55);
  --pn-surface: rgba(42, 26, 71, .55);
  --pn-surface-2: rgba(34, 20, 59, .32);
  --pn-rail-w: 196px;
  background: var(--c-bg);
  color: var(--c-paper);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-news .hero {
  position: relative;
  isolation: isolate;
  padding: 24px 0 clamp(34px, 5vw, 66px);
  overflow: hidden;
}
.page-news .hero__field {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.page-news .hero__field::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(158deg, rgba(42, 26, 71, .94) 0%, rgba(34, 20, 59, .66) 42%, rgba(21, 11, 38, 0) 80%);
  clip-path: polygon(0 0, 100% 0, 100% 52%, 0 94%);
}
.page-news .hero__field::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(calc(var(--angle) * -1), var(--pn-grain) 0 1px, transparent 1px 15px),
    radial-gradient(78% 62% at 88% 4%, rgba(217, 169, 74, .20), rgba(21, 11, 38, 0) 70%),
    radial-gradient(52% 52% at 6% 96%, rgba(47, 184, 198, .15), rgba(21, 11, 38, 0) 72%);
}
.page-news .hero__shell {
  position: relative;
  z-index: 1;
}
.page-news .hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  margin-top: clamp(22px, 4vw, 40px);
}
.page-news .hero__title {
  margin: 10px 0 0;
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(40px, 8.4vw, 84px);
  line-height: 1.04;
  letter-spacing: -.01em;
  color: var(--c-paper);
  text-shadow: 0 0 46px rgba(243, 218, 154, .16);
}
.page-news .hero__desc {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--c-paper);
  opacity: .88;
}
.page-news .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.page-news .hero__anchor {
  align-self: start;
  padding: 22px 24px 24px;
  border: 1px solid var(--pn-line-soft);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(42, 26, 71, .72), rgba(11, 6, 20, .5));
  box-shadow: var(--shadow-card);
}
.page-news .hero__anchor-label {
  margin: 0;
  font-size: var(--fs-cap);
  letter-spacing: .18em;
  color: var(--c-muted);
}
.page-news .hero__anchor-num {
  margin: 6px 0 0;
  font-family: var(--mono);
  font-size: clamp(52px, 10vw, 82px);
  font-weight: 700;
  line-height: .96;
  color: var(--c-gold-hi);
  text-shadow: 0 0 34px rgba(243, 218, 154, .3);
}
.page-news .hero__anchor-unit {
  margin: 4px 0 0;
  font-size: var(--fs-body);
  color: var(--c-muted);
}
.page-news .hero__facts {
  margin: 20px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--pn-line-soft);
  list-style: none;
  display: grid;
  gap: 9px;
  font-size: var(--fs-meta);
  color: var(--c-paper);
  opacity: .92;
}
.page-news .hero__facts .mono {
  color: var(--c-teal);
  font-size: calc(var(--fs-meta) + 2px);
}

/* ---------- 年份与筛选 ---------- */
.page-news .yearbar {
  padding-top: clamp(24px, 4vw, 44px);
}
.page-news .yearbar__head {
  display: grid;
  gap: 14px;
  margin-bottom: 22px;
}
.page-news .yearbar__hint {
  margin: 0;
  max-width: 62ch;
  font-size: var(--fs-meta);
  line-height: 1.75;
  color: var(--c-muted);
}
.page-news .filter {
  display: grid;
  gap: 12px;
}
.page-news .filter__row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-news .filter__row--cat {
  padding-top: 12px;
  border-top: 1px dashed var(--pn-line-soft);
}
.page-news .filter-btn {
  appearance: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font: inherit;
  font-size: var(--fs-meta);
  line-height: 1.2;
  color: var(--c-muted);
  background: rgba(78, 62, 112, .18);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-pill);
  transition: color 240ms ease, border-color 240ms ease, background-color 240ms ease;
}
.page-news .filter-btn:hover {
  color: var(--c-paper);
  border-color: var(--c-gold);
}
.page-news .filter-btn[aria-pressed="true"] {
  color: var(--c-gold-hi);
  border-color: var(--c-rose);
  background: rgba(232, 85, 138, .16);
}
.page-news .filter-btn--rose[aria-pressed="true"] {
  border-color: var(--c-gold);
  background: rgba(217, 169, 74, .16);
}
.page-news .filter-btn:focus-visible {
  outline: 2px solid var(--c-gold-hi);
  outline-offset: 2px;
}
.page-news .filter-btn__n {
  font-size: var(--fs-cap);
  color: var(--c-teal);
}
.page-news .filter-btn[aria-pressed="true"] .filter-btn__n {
  color: var(--c-gold-hi);
}
.page-news .yearbar__figure {
  margin: 26px 0 0;
}
.page-news .yearbar__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--pn-line-soft);
}

/* ---------- 归档主体 ---------- */
.page-news .archive {
  padding-top: clamp(34px, 5vw, 60px);
}
.page-news .archgrid {
  display: grid;
  gap: 26px;
}
.page-news .yearrail {
  position: static;
  padding: 18px;
  border: 1px solid var(--pn-line-soft);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(42, 26, 71, .6), rgba(11, 6, 20, .45));
}
.page-news .yearrail .rail-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}
.page-news .yearrail .rail-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-pill);
  font-size: var(--fs-meta);
  color: var(--c-muted);
  text-decoration: none;
  transition: color 240ms ease, border-color 240ms ease;
}
.page-news .yearrail .rail-link:hover,
.page-news .yearrail .rail-link.is-active,
.page-news .yearrail .rail-link[aria-current="true"] {
  color: var(--c-gold-hi);
  border-color: var(--c-gold);
}
.page-news .yearrail .rail-list__count {
  font-size: var(--fs-cap);
  color: var(--c-teal);
}
.page-news .yearrail__back {
  margin-top: 16px;
}

.page-news .yeargroup + .yeargroup {
  margin-top: 42px;
}
.page-news .yearhead {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 18px;
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--pn-line-soft);
}
.page-news .yearhead__num {
  font-family: var(--mono);
  font-size: clamp(32px, 6vw, 54px);
  font-weight: 700;
  line-height: 1;
  color: var(--c-gold-hi);
  text-shadow: 0 0 30px rgba(243, 218, 154, .26);
}
.page-news .yearhead__meta {
  font-size: var(--fs-meta);
  color: var(--c-muted);
}

.page-news .entry {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 6px 14px;
  padding: 16px 16px 18px;
  margin-bottom: 12px;
  border: 1px solid var(--pn-line-soft);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, var(--pn-surface), var(--pn-surface-2));
  box-shadow: var(--shadow-card);
  transition: border-color 240ms ease;
}
.page-news .entry:hover {
  border-color: rgba(217, 169, 74, .55);
}
.page-news .entry__no {
  grid-row: 1 / span 2;
  font-family: var(--mono);
  font-size: clamp(20px, 4vw, 28px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--c-gold);
  opacity: .72;
}
.page-news .entry__main {
  min-width: 0;
}
.page-news .entry__title {
  margin: 0;
  font-size: var(--fs-card);
  font-weight: 700;
  line-height: 1.35;
  color: var(--c-paper);
  overflow-wrap: break-word;
}
.page-news .entry__sum {
  margin: 7px 0 0;
  font-size: var(--fs-meta);
  line-height: 1.7;
  color: var(--c-muted);
  overflow-wrap: break-word;
}
.page-news .entry__side {
  grid-column: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.page-news .entry__ver {
  font-family: var(--mono);
  font-size: var(--fs-cap);
  letter-spacing: .02em;
  color: var(--c-teal);
}

.page-news .cat {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--c-line);
  font-size: var(--fs-cap);
  letter-spacing: .04em;
  color: var(--c-muted);
  white-space: nowrap;
}
.page-news .cat--service { border-color: rgba(217, 169, 74, .6); color: var(--c-gold-hi); }
.page-news .cat--billing { border-color: rgba(47, 184, 198, .6); color: var(--c-teal); }
.page-news .cat--device  { border-color: rgba(167, 156, 192, .7); color: var(--c-muted); }
.page-news .cat--dispute { border-color: rgba(232, 85, 138, .6); color: var(--c-rose); }

.page-news .archive__note {
  margin: 26px 0 0;
  padding: 16px 18px;
  border-left: 2px solid var(--c-gold);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: rgba(42, 26, 71, .42);
  font-size: var(--fs-meta);
  line-height: 1.75;
  color: var(--c-muted);
}

/* ---------- 四类释义 ---------- */
.page-news .categories .catgrid {
  display: grid;
  gap: 16px;
}
.page-news .catcard {
  position: relative;
  padding: 22px 20px 24px;
  border: 1px solid var(--pn-line-soft);
  border-radius: var(--radius-lg);
  background: linear-gradient(200deg, rgba(42, 26, 71, .72), rgba(11, 6, 20, .55));
}
.page-news .catcard__count {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(38px, 7vw, 56px);
  font-weight: 700;
  line-height: 1;
  color: var(--c-teal);
  opacity: .9;
}
.page-news .catcard__title {
  margin: 10px 0 0;
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--c-paper);
}
.page-news .catcard__body {
  margin: 12px 0 0;
  font-size: var(--fs-meta);
  line-height: 1.78;
  color: var(--c-muted);
}
.page-news .catcard__list {
  margin: 16px 0 0;
  padding: 14px 0 0;
  border-top: 1px dashed var(--pn-line-soft);
  list-style: none;
  display: grid;
  gap: 8px;
  font-size: var(--fs-meta);
  color: var(--c-paper);
  opacity: .86;
}
.page-news .catcard__list li::before {
  content: "—";
  margin-right: 8px;
  color: var(--c-gold);
}

/* ---------- 阅读结构 ---------- */
.page-news .readstruct__grid {
  display: grid;
  gap: 28px;
}
.page-news .readstruct__figure {
  margin: 0;
}
.page-news .readstruct__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--pn-line-soft);
  object-fit: cover;
}
.page-news .readstruct__desc {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--c-muted);
}
.page-news .steps {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}
.page-news .steps__item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--pn-line-soft);
}
.page-news .steps__idx {
  font-family: var(--mono);
  font-size: var(--fs-meta);
  color: var(--c-gold);
  padding-top: 3px;
}
.page-news .steps__title {
  margin: 0;
  font-size: var(--fs-card);
  font-weight: 700;
  color: var(--c-paper);
}
.page-news .steps__item p {
  margin: 6px 0 0;
  font-size: var(--fs-meta);
  line-height: 1.75;
  color: var(--c-muted);
}

/* ---------- 版本链 ---------- */
.page-news .versionwrap {
  display: grid;
  gap: 22px;
}
.page-news .versionlist {
  display: grid;
  gap: 12px;
}
.page-news .versionlist .accordion__item {
  border: 1px solid var(--pn-line-soft);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, var(--pn-surface), var(--pn-surface-2));
  overflow: hidden;
}
.page-news .versionlist .accordion__trigger {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 16px 18px;
  background: none;
  border: 0;
  cursor: pointer;
  font: inherit;
  text-align: left;
  color: var(--c-paper);
}
.page-news .accordion__label {
  flex: 1 1 200px;
  font-size: var(--fs-card);
  font-weight: 700;
}
.page-news .accordion__meta {
  font-family: var(--mono);
  font-size: var(--fs-cap);
  color: var(--c-teal);
}
.page-news .versionlist .accordion__trigger:focus-visible {
  outline: 2px solid var(--c-gold-hi);
  outline-offset: -3px;
}
.page-news .accordion__panel {
  padding: 4px 18px 20px;
}
.page-news .verline {
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr);
  gap: 12px;
  padding: 11px 0;
  border-top: 1px dashed var(--pn-line-soft);
}
.page-news .verline__tag {
  font-family: var(--mono);
  font-size: var(--fs-meta);
  color: var(--c-gold-hi);
}
.page-news .verline__text {
  font-size: var(--fs-meta);
  line-height: 1.72;
  color: var(--c-muted);
}
.page-news .versionaside {
  padding: 22px 20px;
  border: 1px solid var(--pn-line-soft);
  border-radius: var(--radius-lg);
  background: rgba(11, 6, 20, .5);
}
.page-news .versionaside__title {
  margin: 0 0 14px;
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--c-paper);
}
.page-news .versionaside__dl {
  margin: 0;
  display: grid;
  gap: 10px;
}
.page-news .versionaside__dl dt {
  font-size: var(--fs-meta);
  font-weight: 700;
  color: var(--c-gold-hi);
}
.page-news .versionaside__dl dd {
  margin: 0;
  font-size: var(--fs-meta);
  line-height: 1.7;
  color: var(--c-muted);
}
.page-news .vsvg {
  display: block;
  width: 100%;
  max-width: 260px;
  height: auto;
  margin: 20px 0 10px;
}
.page-news .versionaside__note {
  margin: 0;
  font-size: var(--fs-cap);
  line-height: 1.7;
  color: var(--c-muted);
}

/* ---------- 节奏 ---------- */
.page-news .cadence__grid {
  display: grid;
  gap: 16px;
}
.page-news .cadencecard {
  padding: 22px 20px 24px;
  border: 1px solid var(--pn-line-soft);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(42, 26, 71, .58), rgba(11, 6, 20, .5));
}
.page-news .cadencecard__num {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(40px, 7.5vw, 60px);
  font-weight: 700;
  line-height: 1;
  color: var(--c-gold-hi);
  text-shadow: 0 0 28px rgba(243, 218, 154, .22);
}
.page-news .cadencecard__title {
  margin: 10px 0 0;
  font-size: var(--fs-card);
  font-weight: 700;
  color: var(--c-paper);
}
.page-news .cadencecard__body {
  margin: 10px 0 0;
  font-size: var(--fs-meta);
  line-height: 1.78;
  color: var(--c-muted);
}
.page-news .cadence__note {
  margin-top: 20px;
  padding: 18px 20px;
  border: 1px solid var(--pn-line-soft);
  border-radius: var(--radius-md);
  background: rgba(47, 184, 198, .07);
}
.page-news .cadence__note p {
  margin: 0;
  max-width: 70ch;
  font-size: var(--fs-meta);
  line-height: 1.8;
  color: var(--c-paper);
  opacity: .88;
}

/* ---------- 交叉引用 ---------- */
.page-news .crosslink__grid {
  display: grid;
  gap: 26px;
}
.page-news .crosslink__desc {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--c-muted);
}
.page-news .linklist {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 4px;
}
.page-news .linklist__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--pn-line-soft);
}
.page-news .linklist__idx {
  font-family: var(--mono);
  font-size: var(--fs-meta);
  color: var(--c-rose);
  padding-top: 3px;
}
.page-news .linklist__title {
  margin: 0;
  font-size: var(--fs-card);
  font-weight: 700;
}
.page-news .linklist__title a {
  color: var(--c-gold-hi);
  text-decoration: none;
  border-bottom: 1px solid rgba(243, 218, 154, .35);
  transition: color 240ms ease, border-color 240ms ease;
}
.page-news .linklist__title a:hover {
  color: var(--c-paper);
  border-bottom-color: var(--c-gold);
}
.page-news .linklist__title a:focus-visible {
  outline: 2px solid var(--c-gold-hi);
  outline-offset: 3px;
}
.page-news .linklist__item p {
  margin: 7px 0 0;
  font-size: var(--fs-meta);
  line-height: 1.75;
  color: var(--c-muted);
}
.page-news .crosslink__figure {
  margin: 0;
}
.page-news .crosslink__figure img,
.page-news .drawer img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--pn-line-soft);
  object-fit: cover;
}
.page-news .crosslink__figure .media__cap {
  margin: 10px 0 0;
  font-size: var(--fs-cap);
  color: var(--c-muted);
}
.page-news .drawer {
  margin: 26px 0 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .categories .catgrid,
  .page-news .cadence__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .entry {
    grid-template-columns: 56px minmax(0, 1fr);
  }
}

@media (min-width: 960px) {
  .page-news .hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(250px, .85fr);
    align-items: start;
  }
  .page-news .archgrid {
    grid-template-columns: var(--pn-rail-w) minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }
  .page-news .yearrail {
    position: sticky;
    top: 132px;
  }
  .page-news .yearrail .rail-list {
    flex-direction: column;
    flex-wrap: nowrap;
  }
  .page-news .yearrail .rail-link {
    width: 100%;
    justify-content: space-between;
  }
  .page-news .entry {
    grid-template-columns: 64px minmax(0, 1fr) 178px;
    gap: 6px 18px;
    padding: 18px 20px 20px;
  }
  .page-news .entry__no {
    grid-row: 1 / span 2;
    font-size: 30px;
  }
  .page-news .entry__side {
    grid-column: 3;
    grid-row: 1 / span 2;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
  }
  .page-news .categories .catgrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .readstruct__grid {
    grid-template-columns: minmax(240px, .78fr) minmax(0, 1.22fr);
    gap: 42px;
    align-items: start;
  }
  .page-news .steps__item {
    grid-template-columns: 64px minmax(0, 1fr);
  }
  .page-news .versionwrap {
    grid-template-columns: minmax(0, 1.5fr) minmax(260px, .9fr);
    gap: 30px;
    align-items: start;
  }
  .page-news .crosslink__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(280px, .9fr);
    gap: 38px;
    align-items: start;
  }
  .page-news .cadence__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-news .categories .catgrid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 719px) {
  .page-news .hero__field::before {
    clip-path: polygon(0 0, 100% 0, 100% 62%, 0 96%);
  }
  .page-news .entry__side {
    grid-column: 1 / -1;
    padding-left: 60px;
  }
  .page-news .linklist__item,
  .page-news .steps__item {
    grid-template-columns: 40px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .filter-btn,
  .page-news .entry,
  .page-news .linklist__title a {
    transition: none;
  }
}