.page-news {
  --news-cut: 22px;
  --news-grid-line: rgba(243, 246, 248, 0.045);
  --news-hover-tint: rgba(198, 255, 61, 0.07);
  background: var(--c-pitch);
  color: var(--c-white);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-news .story-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 40px) 0 48px;
  border-bottom: 2px solid var(--c-steel);
  background:
    radial-gradient(900px 420px at 84% -12%, rgba(255, 106, 31, 0.16), transparent 70%),
    radial-gradient(720px 380px at 4% 0%, rgba(198, 255, 61, 0.12), transparent 72%),
    var(--c-pitch);
}

.page-news .story-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--news-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--news-grid-line) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
}

.page-news .story-hero .shell {
  position: relative;
  z-index: 1;
}

.page-news .breadcrumb {
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-news .hero-grid {
  display: grid;
  gap: 36px;
}

.page-news .hero-title {
  margin: 16px 0 20px;
  font-size: clamp(34px, 6.6vw, 86px);
  font-weight: 300;
  line-height: 1.06;
  letter-spacing: -0.02em;
  max-width: 20ch;
}

.page-news .hero-lead {
  margin: 0;
  font-size: 17px;
  line-height: 1.8;
  color: var(--c-dim);
  max-width: 48ch;
}

.page-news .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-news .hero-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--c-steel);
  border: 2px solid var(--c-steel);
  box-shadow: var(--hard-shadow-sm);
}

.page-news .fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  background: var(--c-panel);
}

.page-news .fact__num {
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 700;
  line-height: 1;
  color: var(--c-lime);
}

.page-news .fact__unit {
  margin-left: 2px;
  font-size: 0.58em;
  color: var(--c-orange);
}

.page-news .fact__label {
  font-size: 13px;
  line-height: 1.55;
  color: var(--c-muted);
}

/* ---------- 章节骨架 ---------- */
.page-news .story-section {
  position: relative;
  padding: 56px 0;
  border-bottom: 2px solid var(--c-steel);
}

.page-news .story-section:last-of-type {
  border-bottom: 0;
}

.page-news .section-rule {
  margin-bottom: 26px;
}

.page-news .section-head {
  margin-bottom: 28px;
}

.page-news .section-head__desc {
  max-width: 66ch;
}

/* ---------- 焦点专题 ---------- */
.page-news .feature-grid {
  display: grid;
  gap: 26px;
}

.page-news .feature-card {
  border: 2px solid var(--c-steel);
  background: var(--c-panel);
  box-shadow: var(--hard-shadow);
}

.page-news .feature-media {
  position: relative;
  overflow: hidden;
  border-bottom: 2px solid var(--c-steel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--news-cut)), calc(100% - var(--news-cut)) 100%, 0 100%);
}

.page-news .feature-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.9) brightness(0.72);
}

.page-news .feature-badge {
  position: absolute;
  top: 18px;
  left: 0;
  margin: 0;
  padding: 8px 20px 8px 16px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-pitch);
  background: var(--c-orange);
  clip-path: polygon(0 0, 100% 0, calc(100% - 14px) 100%, 0 100%);
}

.page-news .feature-body {
  padding: clamp(20px, 3vw, 32px);
}

.page-news .feature-title {
  margin: 0 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--c-lime);
  font-size: clamp(23px, 3.2vw, 34px);
  font-weight: 800;
  line-height: 1.2;
}

.page-news .feature-lead {
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-dim);
  max-width: 62ch;
}

.page-news .clue-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--c-steel);
  border: 2px solid var(--c-steel);
}

.page-news .clue {
  background: var(--c-panel-2);
}

.page-news .clue__link {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 15px 16px;
  color: inherit;
  text-decoration: none;
  transition: background 0.2s ease;
}

.page-news .clue__link:hover,
.page-news .clue__link:focus-visible {
  background: var(--news-hover-tint);
}

.page-news .clue__title {
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.5;
}

.page-news .clue__link:hover .clue__title {
  color: var(--c-lime);
}

.page-news .clue__dim {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-muted);
}

.page-news .stage-fold {
  margin-top: 22px;
  border: 2px solid var(--c-steel);
  background: var(--c-panel-2);
}

.page-news .stage-fold summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 16px;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-lime);
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.page-news .stage-fold summary::-webkit-details-marker {
  display: none;
}

.page-news .stage-fold summary::after {
  content: "▾";
  font-family: var(--font-mono);
  color: var(--c-muted);
}

.page-news .stage-fold[open] summary::after {
  content: "▴";
}

.page-news .stage-list {
  list-style: none;
  margin: 0;
  padding: 0 16px 6px;
  display: grid;
  gap: 12px;
}

.page-news .stage-list li {
  padding-top: 12px;
  border-top: 1px solid var(--c-steel);
}

.page-news .stage-list strong {
  display: block;
  font-size: 15px;
  margin-bottom: 4px;
  color: var(--c-white);
}

.page-news .stage-list span {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* ---------- 栏目索引 ---------- */
.page-news .channel-index {
  padding: clamp(20px, 3vw, 28px);
  border: 2px solid var(--c-steel);
  background: var(--c-panel);
  box-shadow: var(--hard-shadow-sm);
}

.page-news .channel-index__title {
  margin: 0 0 18px;
  padding-left: 12px;
  border-left: 4px solid var(--c-lime);
  font-size: 19px;
  font-weight: 800;
}

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

.page-news .channel-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas:
    "num name arrow"
    "num desc arrow";
  gap: 4px 14px;
  align-items: start;
  padding: 14px 14px;
  border: 2px solid var(--c-steel);
  background: var(--c-panel-2);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.page-news .channel-link:hover,
.page-news .channel-link:focus-visible {
  border-color: var(--c-lime);
  background: var(--news-hover-tint);
  transform: translateX(4px);
}

.page-news .channel-num {
  grid-area: num;
  font-size: 13px;
  font-weight: 700;
  color: var(--c-orange);
  padding-top: 2px;
}

.page-news .channel-name {
  grid-area: name;
  font-size: 16px;
  font-weight: 800;
}

.page-news .channel-desc {
  grid-area: desc;
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-muted);
}

.page-news .channel-arrow {
  grid-area: arrow;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--c-lime);
}

/* ---------- 分类标签与列表 ---------- */
.page-news .story-tabs {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-news .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--c-steel);
  margin-bottom: 24px;
}

.page-news .tabs__tab {
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--c-muted);
  background: transparent;
  border: 2px solid var(--c-steel);
  padding: 10px 16px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-news .tabs__tab:hover {
  color: var(--c-white);
  border-color: var(--c-lime);
}

.page-news .tabs__tab[aria-selected="true"] {
  color: var(--c-pitch);
  background: var(--c-lime);
  border-color: var(--c-lime);
}

.page-news .tabs__tab:focus-visible {
  outline: 2px solid var(--c-lime);
  outline-offset: 3px;
}

.page-news .tabs__panel {
  margin-bottom: 26px;
}

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

.page-news .tabs__panel:focus-visible {
  outline: 2px solid var(--c-lime);
  outline-offset: 6px;
}

.page-news .story-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--c-steel);
  border: 2px solid var(--c-steel);
}

.page-news .story-row {
  display: grid;
  grid-template-columns: 6px minmax(0, 1fr);
  grid-template-areas:
    "bar body"
    "bar time";
  gap: 8px 16px;
  padding: 18px 18px 18px 0;
  background: var(--c-panel);
  transition: background 0.2s ease;
}

.page-news .story-row:hover {
  background: var(--c-panel-2);
}

.page-news .story-row__bar {
  grid-area: bar;
  background: var(--c-lime);
  transition: background 0.2s ease;
}

.page-news .story-row:hover .story-row__bar {
  background: var(--c-orange);
}

.page-news .panel--review .story-row__bar {
  background: var(--c-cyan);
}

.page-news .panel--notes .story-row__bar {
  background: var(--c-amber);
}

.page-news .panel--version .story-row__bar {
  background: var(--c-blue);
}

.page-news .story-row__body {
  grid-area: body;
}

.page-news .story-row__title {
  margin: 0 0 8px;
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
  line-height: 1.38;
}

.page-news .story-row__summary {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-dim);
  max-width: 64ch;
}

.page-news .story-row__dims {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0 0;
  padding: 0;
}

.page-news .story-row__dims li {
  padding: 3px 9px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
  border: 1px solid var(--c-steel);
  background: rgba(47, 214, 196, 0.06);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-news .story-row:hover .story-row__dims li {
  color: var(--c-lime);
  border-color: rgba(198, 255, 61, 0.5);
}

.page-news .story-row__time {
  grid-area: time;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-muted);
}

/* ---------- 复盘观察 ---------- */
.page-news .review-grid {
  display: grid;
  gap: 28px;
}

.page-news .review-figure,
.page-news .trend-figure,
.page-news .version-banner {
  margin: 0;
  border: 2px solid var(--c-steel);
  background: var(--c-panel);
  box-shadow: var(--hard-shadow-sm);
}

.page-news .review-figure img,
.page-news .trend-figure img,
.page-news .version-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-news .review-figure figcaption,
.page-news .trend-figure figcaption,
.page-news .version-banner figcaption {
  padding: 12px 16px;
  border-top: 2px solid var(--c-steel);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--c-muted);
}

.page-news .review-copy h2 {
  margin: 0 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--c-lime);
  font-size: clamp(23px, 3.2vw, 34px);
  font-weight: 800;
  line-height: 1.2;
}

.page-news .review-copy > p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-dim);
  max-width: 62ch;
}

.page-news .dim-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .dim-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding-top: 14px;
  border-top: 2px solid var(--c-steel);
}

.page-news .dim-list__no {
  padding-top: 3px;
  font-size: 13px;
  font-weight: 700;
  color: var(--c-orange);
}

.page-news .dim-list strong {
  display: block;
  margin-bottom: 4px;
  font-size: 16px;
}

.page-news .dim-list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--c-dim);
}

/* ---------- 反色横带 ---------- */
.page-news .flip-banner {
  padding: 26px 0;
  background: var(--c-lime);
  color: var(--c-pitch);
}

.page-news .flip-banner__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 24px;
}

.page-news .flip-banner__num {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  line-height: 1;
  color: var(--c-pitch);
}

.page-news .flip-banner__text {
  margin: 0;
  flex: 1 1 320px;
  font-size: 15px;
  line-height: 1.7;
  font-weight: 600;
  max-width: 62ch;
}

/* ---------- 趋势观察 ---------- */
.page-news .trend-grid {
  display: grid;
  gap: 28px;
  margin-top: 28px;
}

.page-news .trend-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-news .trend-copy > p {
  margin: 0;
  font-size: 16px;
  line-height: 1.82;
  color: var(--c-dim);
  max-width: 64ch;
}

.page-news .trend-notes {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  width: 100%;
}

.page-news .trend-notes details {
  border: 2px solid var(--c-steel);
  background: var(--c-panel);
}

.page-news .trend-notes summary {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  cursor: pointer;
  list-style: none;
}

.page-news .trend-notes summary::-webkit-details-marker {
  display: none;
}

.page-news .trend-notes summary::after {
  content: "+";
  font-family: var(--font-mono);
  color: var(--c-lime);
}

.page-news .trend-notes details[open] summary::after {
  content: "−";
}

.page-news .trend-notes details p {
  margin: 0;
  padding: 0 16px 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-dim);
}

.page-news .trend-tail {
  margin: 24px 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-white);
}

/* ---------- 版本动态 ---------- */
.page-news .version-banner {
  margin-bottom: 32px;
}

.page-news .version-track {
  list-style: none;
  margin: 30px 0 0;
  padding: 0 0 0 24px;
  border-left: 2px solid var(--c-steel);
  display: grid;
}

.page-news .version-item {
  position: relative;
  padding-bottom: 26px;
}

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

.page-news .version-item::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--c-pitch);
  border: 2px solid var(--c-cyan);
  transform: rotate(45deg);
}

.page-news .version-item[data-state="active"]::before {
  background: var(--c-lime);
  border-color: var(--c-lime);
}

.page-news .version-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 4px;
}

.page-news .version-no {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c-lime);
}

.page-news .version-state {
  font-size: 11.5px;
  letter-spacing: 0.12em;
  padding: 3px 8px;
  color: var(--c-cyan);
  border: 1px solid rgba(47, 214, 196, 0.45);
}

.page-news .version-item[data-state="active"] .version-state {
  color: var(--c-pitch);
  background: var(--c-lime);
  border-color: var(--c-lime);
}

.page-news .version-body h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
}

.page-news .version-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-dim);
  max-width: 64ch;
}

/* ---------- 下一步入口 ---------- */
.page-news .path-grid {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-news .path-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 24px;
  border: 2px solid var(--c-steel);
  background: var(--c-panel);
  box-shadow: var(--hard-shadow-sm);
  color: inherit;
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-news .path-card:hover,
.page-news .path-card:focus-visible {
  transform: translate(-3px, -3px);
  border-color: var(--c-lime);
  background: var(--c-panel-2);
}

.page-news .path-card__no {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--c-orange);
}

.page-news .path-card__title {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.35;
}

.page-news .path-card__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-news .path-card__go {
  margin-top: auto;
  padding-top: 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--c-lime);
}

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

  .page-news .clue__link {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 8px 20px;
  }
}

@media (min-width: 860px) {
  .page-news .story-row {
    grid-template-columns: 6px minmax(0, 1fr) auto;
    grid-template-areas: "bar .page-news time";
    align-items: start;
    padding: 22px 22px 22px 0;
  }

  .page-news .story-row__time {
    padding-top: 4px;
    text-align: right;
    white-space: nowrap;
  }
}

@media (min-width: 960px) {
  .page-news .story-hero {
    padding: calc(var(--header-h) + 56px) 0 72px;
  }

  .page-news .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: end;
  }

  .page-news .story-section {
    padding: 84px 0;
  }

  .page-news .review-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 44px;
    align-items: start;
  }

  .page-news .trend-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-news .feature-grid {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }

  .page-news .path-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition: none !important;
    animation: none !important;
  }
}