.page-news {
  --news-gap: clamp(0.9rem, 2.4vw, 1.5rem);
  --news-line: rgba(111, 122, 100, 0.32);
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

.page-news .section-head {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: clamp(1.4rem, 3.6vw, 2.4rem);
  max-width: 62ch;
}

.page-news .section-head h2 {
  font-family: var(--serif);
  font-size: clamp(1.45rem, 3.2vw, 2.1rem);
  line-height: 1.3;
  margin: 0;
  letter-spacing: -0.01em;
}

.page-news .section-lead {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--ink);
  opacity: 0.85;
}

.page-news .inline-link {
  color: var(--brick);
  text-decoration: none;
  border-bottom: 1px solid var(--brick-soft);
  padding-bottom: 1px;
}

.page-news .inline-link:hover {
  border-bottom-color: var(--brick);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(1.6rem, 5vw, 3rem) clamp(2.2rem, 6vw, 4rem);
  background: linear-gradient(158deg, var(--paper-2) 0%, var(--paper) 52%, var(--paper) 100%);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(111, 122, 100, 0.2) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(111, 122, 100, 0.2) 1px, transparent 1px);
  background-size: 52px 52px;
  -webkit-mask-image: linear-gradient(118deg, #000 0%, rgba(0, 0, 0, 0.35) 46%, transparent 72%);
  mask-image: linear-gradient(118deg, #000 0%, rgba(0, 0, 0, 0.35) 46%, transparent 72%);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(54%, 520px);
  height: 58%;
  z-index: 0;
  background: var(--ink-green);
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 0 100%);
}

.page-news .news-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: center;
}

.page-news .news-hero-copy {
  min-width: 0;
}

.page-news .news-hero .breadcrumb {
  margin-bottom: clamp(0.9rem, 2.5vw, 1.4rem);
}

.page-news .news-hero .eyebrow {
  color: var(--gold-deep);
  letter-spacing: 0.16em;
}

.page-news .news-hero h1 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1.18;
  letter-spacing: -0.015em;
  margin: 0.6rem 0 0;
  max-width: 16ch;
}

.page-news .news-hero-lead {
  margin: clamp(1rem, 2.6vw, 1.4rem) 0 0;
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
  line-height: 1.85;
  max-width: 52ch;
}

.page-news .news-hero-facts {
  list-style: none;
  margin: clamp(1.3rem, 3vw, 1.9rem) 0 0;
  padding: 1rem 0 0;
  border-top: 1.5px solid var(--rule);
  display: grid;
  gap: 0.7rem;
}

.page-news .news-hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
}

.page-news .fact-k {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--gold-deep);
}

.page-news .fact-v {
  font-size: 0.9rem;
  line-height: 1.6;
}

.page-news .news-hero-figure {
  margin: 0;
  border: 2px solid var(--ink);
  box-shadow: var(--shadow);
  background: var(--paper-2);
}

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

/* ---------- 观察台 ---------- */
.page-news .news-board {
  background: var(--paper);
}

.page-news .board-grid {
  display: grid;
  gap: var(--news-gap);
}

.page-news .board-card {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: clamp(1.05rem, 3vw, 1.6rem);
  background: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.page-news .board-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 rgba(31, 42, 36, 0.2);
}

.page-news .board-num {
  font-family: var(--mono);
  font-size: 2.4rem;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--gold);
}

.page-news .board-card h3 {
  font-family: var(--serif);
  font-size: 1.16rem;
  line-height: 1.4;
  margin: 0;
}

.page-news .board-text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
}

.page-news .board-foot {
  margin: auto 0 0;
  padding-top: 0.7rem;
  border-top: 1px dashed var(--news-line);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--brick);
}

.page-news .board-strip {
  margin-top: var(--news-gap);
  display: grid;
  gap: clamp(1rem, 3vw, 1.8rem);
  padding: clamp(1rem, 3vw, 1.6rem);
  background: var(--paper-2);
  border: 2px solid var(--ink);
}

.page-news .board-strip .media-frame {
  margin: 0;
  border: 1.5px solid var(--rule);
  background: var(--paper);
}

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

.page-news .board-strip-text h3 {
  font-family: var(--serif);
  font-size: 1.15rem;
  line-height: 1.4;
  margin: 0.4rem 0 0.7rem;
}

.page-news .board-strip-text p {
  margin: 0 0 0.7rem;
  font-size: 0.92rem;
  line-height: 1.8;
}

.page-news .board-strip-text p:last-child {
  margin-bottom: 0;
}

/* ---------- 更新列表 ---------- */
.page-news .news-updates {
  background: var(--paper-2);
  border-top: 1.5px solid var(--news-line);
  border-bottom: 1.5px solid var(--news-line);
}

.page-news .updates-layout {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.8rem);
}

.page-news .updates-rail {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(1rem, 2.5vw, 1.5rem);
}

.page-news .rail-label {
  margin: 0 0 0.65rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-deep);
}

.page-news .filter-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.page-news .filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.page-news .filter-label {
  display: inline-flex;
  align-items: center;
  padding: 0.42rem 0.85rem;
  border: 1.5px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 0.85rem;
  line-height: 1.4;
  cursor: pointer;
  transition: background 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.page-news .filter-label:hover {
  background: var(--highlight);
}

.page-news .filter-input:checked + .filter-label {
  background: var(--ink-green);
  border-color: var(--ink-green);
  color: var(--paper);
}

.page-news .filter-input:focus-visible + .filter-label {
  outline: 3px solid var(--brick);
  outline-offset: 2px;
}

.page-news .rail-figure {
  margin: 0;
  border: 2px solid var(--ink);
  box-shadow: var(--shadow);
  background: var(--paper);
}

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

.page-news .rail-quick ul {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1.5px solid var(--rule);
}

.page-news .rail-quick li {
  border-bottom: 1px solid var(--news-line);
}

.page-news .rail-quick a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.55rem 0.15rem;
  color: var(--ink);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color 0.16s ease, padding-left 0.16s ease;
}

.page-news .rail-quick a::after {
  content: "→";
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--brick);
}

.page-news .rail-quick a:hover,
.page-news .rail-quick a.is-current {
  color: var(--brick);
  padding-left: 0.4rem;
}

.page-news .updates-body {
  min-width: 0;
}

.page-news .update-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(0.7rem, 2vw, 1rem);
}

.page-news .update-item {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.7rem;
  padding: clamp(0.9rem, 2.6vw, 1.25rem);
  background: var(--paper);
  border: 2px solid var(--ink);
  border-left: 7px solid var(--gold);
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-left-color 0.18s ease;
}

.page-news .update-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 rgba(31, 42, 36, 0.2);
  border-left-color: var(--brick);
}

.page-news .update-num {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--brick);
  padding-top: 0.1rem;
}

.page-news .update-body {
  min-width: 0;
}

.page-news .update-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.4rem;
}

.page-news .update-meta .tag {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

.page-news .update-time {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--gold-deep);
}

.page-news .update-title {
  margin: 0 0 0.45rem;
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.45;
}

.page-news .update-text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--ink);
  opacity: 0.9;
}

.page-news .updates-layout:has(#news-filter-search:checked) .update-item:not([data-cat~="search"]),
.page-news .updates-layout:has(#news-filter-archive:checked) .update-item:not([data-cat~="archive"]),
.page-news .updates-layout:has(#news-filter-desktop:checked) .update-item:not([data-cat~="desktop"]),
.page-news .updates-layout:has(#news-filter-cases:checked) .update-item:not([data-cat~="cases"]),
.page-news .updates-layout:has(#news-filter-notes:checked) .update-item:not([data-cat~="notes"]) {
  display: none;
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  background: var(--paper);
}

.page-news .series-grid {
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.5rem);
}

.page-news .series-cards {
  display: grid;
  gap: var(--news-gap);
  min-width: 0;
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: clamp(1.05rem, 3vw, 1.7rem);
  background: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow);
}

.page-news .series-card h3 {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2.4vw, 1.4rem);
  line-height: 1.35;
  margin: 0;
}

.page-news .series-card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
}

.page-news .series-points {
  list-style: none;
  margin: 0.2rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
  border-top: 1px dashed var(--news-line);
  padding-top: 0.8rem;
}

.page-news .series-points li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.88rem;
  line-height: 1.7;
}

.page-news .series-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--gold);
  border: 1px solid var(--ink);
}

.page-news .series-visual {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.page-news .series-visual .media-frame {
  margin: 0;
  border: 2px solid var(--ink);
  box-shadow: var(--shadow);
  background: var(--paper-2);
}

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

.page-news .series-map {
  display: block;
  width: 100%;
  height: auto;
  max-width: 340px;
}

.page-news .series-caption {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.7rem;
  line-height: 1.8;
  letter-spacing: 0.04em;
  color: var(--gold-deep);
}

/* ---------- 更新节奏 ---------- */
.page-news .news-cadence {
  background: var(--paper-2);
  border-top: 1.5px solid var(--news-line);
}

.page-news .cadence-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(0.9rem, 2.4vw, 1.3rem);
}

.page-news .cadence-list > li {
  display: grid;
  gap: 0.6rem;
  padding: clamp(1rem, 2.8vw, 1.4rem);
  background: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow);
}

.page-news .cadence-key {
  display: inline-block;
  align-self: start;
  padding: 0.28rem 0.6rem;
  background: var(--ink-green);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}

.page-news .cadence-text h3 {
  margin: 0 0 0.4rem;
  font-family: var(--serif);
  font-size: 1.06rem;
  line-height: 1.45;
}

.page-news .cadence-text p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
}

.page-news .cadence-foot {
  margin: clamp(1.2rem, 3vw, 1.8rem) 0 0;
  padding-top: 1rem;
  border-top: 1.5px solid var(--rule);
  font-size: 0.9rem;
  line-height: 1.8;
  max-width: 68ch;
}

/* ---------- 供稿与合作 ---------- */
.page-news .news-contribute {
  background: var(--paper);
}

.page-news .contribute-panel {
  position: relative;
  display: grid;
  gap: clamp(1.2rem, 3vw, 1.8rem);
  padding: clamp(1.3rem, 4vw, 2.4rem);
  background: var(--ink-green);
  color: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: 8px 8px 0 rgba(31, 42, 36, 0.22);
}

.page-news .contribute-panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: var(--gold);
}

.page-news .contribute-intro {
  min-width: 0;
}

.page-news .contribute-intro .eyebrow {
  color: var(--gold);
  letter-spacing: 0.16em;
}

.page-news .contribute-intro h2 {
  margin: 0.5rem 0 0.7rem;
  font-family: var(--serif);
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  line-height: 1.3;
}

.page-news .contribute-intro p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.85;
  color: rgba(247, 241, 227, 0.88);
  max-width: 58ch;
}

.page-news .contribute-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
  border-top: 1px solid rgba(247, 241, 227, 0.28);
  padding-top: 1rem;
}

.page-news .contribute-list li {
  display: grid;
  gap: 0.25rem;
}

.page-news .contrib-k {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-news .contribute-list p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: rgba(247, 241, 227, 0.84);
}

.page-news .contribute-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.page-news .contribute-panel .btn--ghost {
  color: var(--paper);
  border-color: rgba(247, 241, 227, 0.7);
}

.page-news .contribute-panel .btn--ghost:hover {
  background: rgba(247, 241, 227, 0.12);
  border-color: var(--paper);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-news .news-hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
  }

  .page-news .cadence-list > li {
    grid-template-columns: 9.5rem minmax(0, 1fr);
    align-items: start;
    gap: 1.1rem;
  }
}

@media (min-width: 800px) {
  .page-news .board-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-news .news-hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.82fr);
    align-items: center;
  }

  .page-news .board-strip {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }

  .page-news .series-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }

  .page-news .contribute-panel {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
    column-gap: clamp(1.5rem, 4vw, 3rem);
  }

  .page-news .contribute-intro {
    grid-row: 1 / span 2;
  }

  .page-news .contribute-list {
    border-top: 0;
    padding-top: 0;
  }
}

@media (min-width: 920px) {
  .page-news .updates-layout {
    grid-template-columns: 262px minmax(0, 1fr);
    align-items: start;
  }

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

@media (max-width: 859px) {
  .page-news .news-hero::after {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .board-card,
  .page-news .update-item,
  .page-news .filter-label,
  .page-news .rail-quick a {
    transition: none;
  }

  .page-news .board-card:hover,
  .page-news .update-item:hover {
    transform: none;
  }
}