.page-news {
  --news-text: #D3DFDA;
  --news-gap: clamp(20px, 3.4vw, 40px);
  --news-rule: 1px solid var(--line);
  background: var(--ink);
  color: var(--paper);
}

/* 面包屑 */
.page-news .breadcrumb {
  padding-top: clamp(14px, 2.4vw, 22px);
}

.page-news .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--mute);
}

.page-news .breadcrumb-list li + li::before {
  content: "/";
  margin: 0 8px;
  color: var(--line);
}

.page-news .breadcrumb-link {
  color: var(--mute);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s, border-color 0.18s;
}

.page-news .breadcrumb-link:hover,
.page-news .breadcrumb-link:focus-visible {
  color: var(--pitch);
  border-bottom-color: var(--pitch);
}

.page-news .breadcrumb-current {
  color: var(--paper);
}

/* 页面标题区 */
.page-news .page-head {
  display: grid;
  gap: clamp(16px, 2.6vw, 30px);
  padding: clamp(24px, 4.6vw, 52px) 0 clamp(22px, 4vw, 40px);
  border-bottom: var(--edge);
}

.page-news .page-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5.4vw, 58px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: 0.002em;
  margin: 10px 0 0;
  color: var(--paper);
  max-width: 14em;
}

.page-news .page-lede {
  font-size: clamp(14.5px, 1.5vw, 16.5px);
  line-height: 1.85;
  color: var(--news-text);
  max-width: 34em;
  margin: 0 0 clamp(14px, 2vw, 20px);
}

.page-news .head-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--mute);
}

.page-news .head-meta li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-news .head-meta li::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  background: var(--pitch);
  border-radius: 50%;
}

/* 顶部通栏图 */
.page-news .hero-figure {
  margin: clamp(22px, 3.6vw, 40px) 0 0;
}

.page-news .img-frame {
  position: relative;
  overflow: hidden;
  border: var(--edge);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
}

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

.page-news .img-frame__caption {
  display: block;
  padding: 8px 12px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mute);
  border-top: 2px solid var(--line);
  background: var(--panel);
}

/* 筛选 */
.page-news .visually-plain {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: clamp(22px, 3.4vw, 38px) 0 clamp(8px, 1.6vw, 14px);
}

.page-news .filter-btn {
  appearance: none;
  border: 2px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.2;
  letter-spacing: 0.06em;
  padding: 9px 20px;
  cursor: pointer;
  transition: background 0.18s, color 0.18s, border-color 0.18s, transform 0.18s, box-shadow 0.18s;
}

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

.page-news .filter-btn[aria-pressed="true"] {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--ink);
  font-weight: 700;
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 rgba(3, 10, 14, 0.65);
}

.page-news .filter-btn:focus-visible {
  outline: 2px solid var(--live);
  outline-offset: 3px;
}

/* 文章列表 */
.page-news .entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-bottom: var(--news-rule);
}

.page-news .entry-item {
  border-top: var(--news-rule);
}

.page-news .entry-item[hidden] {
  display: none;
}

.page-news .entry.is-enter {
  animation: news-fade 0.32s ease-out both;
}

@keyframes news-fade {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-news .entry > summary {
  display: grid;
  grid-template-columns: 2.8rem 1fr;
  gap: clamp(10px, 2.4vw, 26px);
  align-items: start;
  padding: clamp(18px, 3vw, 30px) 0;
  cursor: pointer;
  list-style: none;
}

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

.page-news .entry > summary:focus-visible {
  outline: 2px solid var(--live);
  outline-offset: 4px;
}

.page-news .entry-num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 4.2vw, 42px);
  font-weight: 200;
  line-height: 1;
  color: var(--mute);
  font-variant-numeric: tabular-nums;
  transition: color 0.2s;
}

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

.page-news .entry-main {
  display: block;
  min-width: 0;
}

.page-news .entry-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-news .entry-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 3px 9px;
  border: 1px solid var(--line);
  color: var(--pitch);
}

.page-news .entry-when {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-news .entry-time {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--live);
  cursor: help;
}

.page-news .entry-time::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--live);
  vertical-align: middle;
}

.page-news .when-note {
  position: absolute;
  left: 0;
  top: calc(100% + 8px);
  z-index: 6;
  max-width: 70vw;
  padding: 5px 10px;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--news-text);
  background: var(--panel-2);
  border: 2px solid var(--line);
  box-shadow: var(--shadow-soft);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  pointer-events: none;
  transition: opacity 0.18s, transform 0.18s, visibility 0.18s;
}

.page-news .entry-when:hover .when-note,
.page-news .entry-when:focus-within .when-note {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.page-news .entry-cue {
  position: relative;
  flex: none;
  margin-left: auto;
  width: 22px;
  height: 22px;
  border: 2px solid var(--line);
  transition: background 0.2s, border-color 0.2s;
}

.page-news .entry-cue::before,
.page-news .entry-cue::after {
  content: "";
  position: absolute;
  left: 5px;
  right: 5px;
  top: 50%;
  height: 2px;
  background: var(--mute);
  transform: translateY(-50%);
  transition: background 0.2s, transform 0.2s;
}

.page-news .entry-cue::after {
  transform: translateY(-50%) rotate(90deg);
}

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

.page-news .entry[open] .entry-cue::before,
.page-news .entry[open] .entry-cue::after {
  background: var(--ink);
}

.page-news .entry[open] .entry-cue::after {
  transform: translateY(-50%) rotate(0deg);
}

.page-news .entry-title {
  display: block;
  margin: 8px 0 6px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.6vw, 26px);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: 0.01em;
  color: var(--paper);
  transition: color 0.18s;
}

.page-news .entry > summary:hover .entry-title {
  color: var(--signal-soft);
}

.page-news .entry-lede {
  display: block;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mute);
  max-width: 38em;
}

.page-news .entry-panel {
  margin: 0 0 clamp(20px, 3.2vw, 32px);
  padding: clamp(16px, 2.6vw, 26px);
  background: var(--panel);
  border: var(--edge);
  box-shadow: var(--shadow-soft);
}

.page-news .entry-panel p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--news-text);
  max-width: 40em;
}

.page-news .entry-panel-label {
  margin: 16px 0 10px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--signal);
}

.page-news .entry-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-news .entry-points li {
  position: relative;
  padding-left: 20px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mute);
}

.page-news .entry-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 2px;
  background: var(--pitch);
}

/* 深度观察区块 */
.page-news .spot {
  display: grid;
  gap: clamp(20px, 3.6vw, 42px);
  padding: clamp(28px, 4.6vw, 56px) 0;
  border-top: var(--edge);
}

.page-news .spot-figure {
  margin: 0;
}

.page-news .spot-title {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.2vw, 36px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.005em;
  color: var(--paper);
}

.page-news .spot-body p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--news-text);
  max-width: 32em;
}

.page-news .spot-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .spot-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--news-text);
}

.page-news .spot-list li::before {
  content: "";
  width: 10px;
  height: 10px;
  margin-top: 0.45em;
  background: var(--pitch);
}

.page-news .spot-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  padding-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--signal-soft);
  text-decoration: none;
  border-bottom: 2px solid var(--signal);
  transition: color 0.18s, border-color 0.18s;
}

.page-news .spot-link:hover,
.page-news .spot-link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* 更新节奏 */
.page-news .rhythm {
  display: grid;
  gap: clamp(20px, 3.6vw, 44px);
  padding: clamp(28px, 4.6vw, 58px) 0 clamp(30px, 5vw, 62px);
  border-top: var(--edge);
}

.page-news .spot-body-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--news-text);
  max-width: 32em;
}

.page-news .rhythm-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .rhythm-list li {
  display: grid;
  gap: 6px;
  padding: clamp(14px, 2vw, 20px);
  background: var(--panel);
  border: 2px solid var(--line);
  box-shadow: 6px 6px 0 rgba(3, 10, 14, 0.55);
  transition: border-color 0.18s, transform 0.18s;
}

.page-news .rhythm-list li:hover {
  border-color: var(--pitch-deep);
  transform: translate(-2px, -2px);
}

.page-news .rhythm-list strong {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-news .rhythm-list span {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mute);
}

/* 响应式 */
@media (min-width: 760px) {
  .page-news .entry > summary {
    grid-template-columns: 4.2rem 1fr;
  }

  .page-news .entry-panel {
    margin-left: calc(4.2rem + clamp(10px, 2.4vw, 26px));
  }
}

@media (min-width: 900px) {
  .page-news .page-head {
    grid-template-columns: 6fr 5fr;
    align-items: end;
    gap: clamp(24px, 4vw, 56px);
  }

  .page-news .spot {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-news .spot--rev {
    grid-template-columns: 7fr 5fr;
  }

  .page-news .spot--rev .spot-figure {
    order: 2;
  }

  .page-news .rhythm {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
}

@media (max-width: 479px) {
  .page-news .entry > summary {
    grid-template-columns: 2.2rem 1fr;
  }

  .page-news .filter-btn {
    font-size: 12.5px;
    padding: 8px 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry.is-enter {
    animation: none;
  }

  .page-news .filter-btn,
  .page-news .entry-title,
  .page-news .entry-num,
  .page-news .rhythm-list li,
  .page-news .spot-link,
  .page-news .when-note {
    transition: none;
  }
}
<<<END>>>