.page-news {
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  background: var(--blue-deep);
  color: var(--white);
  padding: clamp(22px, 4vw, 36px) 0 clamp(64px, 9vw, 112px);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 44px));
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(112deg, rgba(255, 255, 255, .055) 0 1px, transparent 1px 28px);
  pointer-events: none;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 4vw, 40px);
}

.page-news .news-hero .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-news .news-hero .breadcrumbs__link {
  color: var(--on-dark);
  text-decoration: none;
}

.page-news .news-hero .breadcrumbs__link:hover {
  color: var(--orange-soft);
}

.page-news .news-hero .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--on-dark-soft);
}

.page-news .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  margin: 0 0 12px;
}

.page-news .news-hero .eyebrow {
  color: var(--orange-soft);
}

.page-news .news-hero__title {
  margin: 0 0 18px;
  font-size: clamp(1.95rem, 5.2vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  font-weight: 900;
}

.page-news .news-hero__lede {
  margin: 0 0 26px;
  max-width: 56ch;
  color: var(--on-dark);
  font-size: clamp(1rem, 1.4vw, 1.0625rem);
  line-height: 1.78;
}

.page-news .news-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(18px, 3vw, 34px);
  padding-top: 18px;
  border-top: 1px solid var(--hairline-dark);
}

.page-news .fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-news .fact__num {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: .02em;
}

.page-news .fact__label {
  font-size: 13px;
  color: var(--on-dark-soft);
}

.page-news .news-hero__media {
  margin: 0;
  aspect-ratio: 16 / 9;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--hairline-dark);
  transform: rotate(-1.5deg);
}

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

/* ---------- 本周关键词 ---------- */
.page-news .keyword-band {
  background: var(--paper);
  border-bottom: 1px solid var(--hairline);
}

.page-news .keyword-band__track {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow-x: auto;
  padding: 16px var(--pad);
  scrollbar-width: none;
}

.page-news .keyword-band__track::-webkit-scrollbar {
  height: 0;
}

.page-news .keyword-band__label {
  flex: 0 0 auto;
  padding-right: 12px;
  margin-right: 4px;
  border-right: 1px solid var(--hairline);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--slate);
  white-space: nowrap;
}

.page-news .kw {
  flex: 0 0 auto;
  display: inline-block;
  padding: 8px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--hairline-strong);
  background: var(--white);
  color: var(--blue-deep);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.page-news .kw:hover,
.page-news .kw:focus-visible {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--night);
}

/* ---------- 双栏骨架 ---------- */
.page-news .news-layout {
  display: grid;
  gap: clamp(36px, 5vw, 56px);
  padding-block: var(--space);
}

.page-news .news-rail {
  display: grid;
  gap: clamp(22px, 3vw, 30px);
  align-content: start;
  min-width: 0;
}

.page-news .news-stream {
  display: grid;
  gap: clamp(48px, 6vw, 80px);
  min-width: 0;
}

/* ---------- 侧栏 ---------- */
.page-news .news-rail__label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--slate);
}

.page-news .news-toc .toc__list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 2px solid var(--hairline);
}

.page-news .news-toc .toc__link {
  display: block;
  margin-left: -2px;
  padding: 8px 0 8px 14px;
  border-left: 2px solid transparent;
  font-size: 15px;
  line-height: 1.5;
  color: var(--slate);
  text-decoration: none;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-news .news-toc .toc__link:hover {
  color: var(--blue-deep);
}

.page-news .news-toc .toc__link.is-active {
  color: var(--blue-deep);
  font-weight: 700;
  border-left-color: var(--orange);
}

.page-news .rail-block__title {
  margin: 0 0 14px;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.4;
  color: var(--blue-deep);
}

.page-news .col-index {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .col-index__item {
  padding: 14px 16px 16px;
  background: var(--white);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-card);
  transition: transform .15s var(--ease), border-color .15s var(--ease);
}

.page-news .col-index__item:hover {
  transform: translateY(-3px);
  border-color: var(--orange);
}

.page-news .col-index__num {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--slate);
}

.page-news .col-index__name {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 4px 0 6px;
  font-size: 1rem;
  font-weight: 800;
  color: var(--blue-deep);
}

.page-news .col-index__dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: 0 0 auto;
}

.page-news .col-index__dot--amber { background: var(--amber); }
.page-news .col-index__dot--teal { background: var(--teal); }
.page-news .col-index__dot--slate { background: var(--slate); }
.page-news .col-index__dot--orange { background: var(--orange); }

.page-news .col-index__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--slate);
}

.page-news .note {
  padding: 16px 18px;
  background: var(--white);
  border: 1px solid var(--hairline);
  border-left: 4px solid var(--teal);
  border-radius: var(--r-sm);
}

.page-news .note__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--teal);
}

.page-news .note p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink);
}

.page-news .schedule {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .schedule li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--hairline);
  font-size: 14px;
  line-height: 1.6;
  color: var(--slate);
}

.page-news .schedule li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-news .schedule .mono {
  color: var(--blue-deep);
  font-weight: 700;
}

/* ---------- 章节标题 ---------- */
.page-news .stream-head {
  margin-bottom: 24px;
}

.page-news .stream-head .eyebrow {
  color: var(--orange);
}

.page-news .stream-head .h2 {
  margin: 0 0 12px;
  font-size: clamp(1.55rem, 3vw, 2.1rem);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.2;
  color: var(--blue-deep);
}

.page-news .stream-head__lede {
  margin: 0;
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 本周维护记录 ---------- */
.page-news .maintenance {
  display: grid;
  gap: 24px;
}

.page-news .maintenance__media {
  margin: 0;
  aspect-ratio: 5 / 6;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
}

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

.page-news .timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 22px;
  list-style: none;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(var(--hairline-strong), var(--hairline));
}

.page-news .timeline__item {
  position: relative;
  padding-bottom: 28px;
}

.page-news .timeline__item:last-child {
  padding-bottom: 0;
}

.page-news .timeline__dot {
  position: absolute;
  left: -22px;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--slate);
}

.page-news .timeline__dot--amber {
  background: var(--amber);
  border-color: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 209, 102, .28);
}

.page-news .timeline__meta {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--slate);
}

.page-news .timeline__title {
  margin: 0 0 8px;
  font-size: 1.0625rem;
  font-weight: 800;
  line-height: 1.5;
  color: var(--blue-deep);
}

.page-news .timeline__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
}

.page-news .stream-foot {
  margin: 24px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--hairline);
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 筛选与条目流 ---------- */
.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.page-news .filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--hairline-strong);
  background: var(--white);
  color: var(--blue-deep);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

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

.page-news .filter-btn[aria-pressed="true"],
.page-news .filter-btn.is-active {
  background: var(--blue-deep);
  border-color: var(--blue-deep);
  color: var(--white);
}

.page-news .filter-btn__count {
  font-size: 12px;
  opacity: .72;
}

.page-news .filter-status {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--slate);
}

.page-news .entry-list {
  display: grid;
  gap: 14px;
}

.page-news .entry {
  background: var(--white);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform .15s var(--ease), border-color .15s var(--ease);
}

.page-news .entry:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 107, 26, .55);
}

.page-news .entry[open] {
  border-color: var(--orange);
}

.page-news .entry__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .entry__time {
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--slate);
}

.page-news .entry__cue {
  margin-left: auto;
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--hairline-strong);
  color: var(--slate);
  font-size: 14px;
  line-height: 1;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-news .entry__cue::before {
  content: "+";
}

.page-news .entry[open] .entry__cue::before {
  content: "–";
}

.page-news .entry[open] .entry__cue {
  border-color: var(--orange);
  color: var(--orange);
}

.page-news .entry__title {
  flex: 1 1 100%;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--blue-deep);
}

.page-news .entry__body {
  padding: 16px 18px 18px;
  border-top: 1px solid var(--hairline);
}

.page-news .entry__body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
}

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

.page-news .entry__fit {
  font-size: 13px !important;
  line-height: 1.68 !important;
  color: var(--slate) !important;
}

.page-news .entry__figure {
  margin: 14px 0 0;
  border-radius: var(--r-sm);
  overflow: hidden;
}

.page-news .entry__figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .tag {
  padding: 4px 10px;
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  line-height: 1.6;
  white-space: nowrap;
}

.page-news .tag--amber {
  background: var(--amber);
  color: var(--night);
}

.page-news .tag--teal {
  background: var(--teal);
  color: var(--night);
}

.page-news .tag--orange {
  background: var(--orange);
  color: var(--night);
}

.page-news .tag--scene {
  background: rgba(90, 107, 133, .16);
  color: var(--blue-deep);
  border: 1px solid rgba(90, 107, 133, .28);
}

/* ---------- 更新节奏 ---------- */
.page-news .cadence {
  display: grid;
  gap: 20px;
}

.page-news .cadence__main {
  padding: clamp(20px, 3vw, 28px);
  background: var(--white);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
}

.page-news .cadence__main > p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
}

.page-news .cadence__list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .cadence__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--hairline);
}

.page-news .cadence__list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-news .cadence__list .mono {
  font-size: 14px;
  font-weight: 700;
  color: var(--orange);
}

.page-news .cadence__list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--slate);
}

.page-news .cadence__side {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: clamp(20px, 3vw, 28px);
  background: var(--blue-deep);
  color: var(--white);
  border-radius: var(--r-lg);
}

.page-news .cadence__side-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.45;
}

.page-news .cadence__side p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--on-dark);
}

.page-news .cadence__side .btn {
  justify-self: start;
}

.page-news .cadence__side .btn--ghost {
  color: var(--white);
  border-color: var(--hairline-dark);
}

.page-news .cadence__side .btn--ghost:hover {
  color: var(--night);
  background: var(--mint);
  border-color: var(--mint);
}

.page-news .cadence__foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--slate);
}

.page-news .cadence__foot a {
  color: var(--blue-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .cadence__foot a:hover {
  color: var(--orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .maintenance {
    grid-template-columns: minmax(0, .42fr) minmax(0, .58fr);
    gap: clamp(24px, 3vw, 36px);
    align-items: start;
  }

  .page-news .entry-list {
    gap: 16px;
  }

  .page-news .entry-list .entry:nth-child(even) {
    margin-left: clamp(20px, 4vw, 48px);
  }
}

@media (min-width: 780px) {
  .page-news .cadence {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }
}

@media (min-width: 920px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
  }
}

@media (min-width: 1000px) {
  .page-news .news-layout {
    grid-template-columns: minmax(0, 38fr) minmax(0, 62fr);
    gap: clamp(40px, 5vw, 64px);
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1264px) {
  .page-news .keyword-band__track {
    padding-left: calc((100vw - 1240px) / 2 + 24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry,
  .page-news .entry__cue,
  .page-news .kw,
  .page-news .filter-btn,
  .page-news .toc__link,
  .page-news .col-index__item {
    transition: none;
  }

  .page-news .entry:hover,
  .page-news .col-index__item:hover {
    transform: none;
  }

  .page-news .news-hero__media {
    transform: none;
  }
}