.page-news {
  --news-line: rgba(143, 163, 184, 0.22);
  --news-line-soft: rgba(143, 163, 184, 0.12);
  --news-glow: rgba(0, 229, 199, 0.34);
  background: var(--ink-900);
  color: var(--mist);
}

/* ================= 首屏 ================= */
.page-news .news-mast {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  border-bottom: 1px solid var(--news-line);
  padding: calc(var(--header-h) + 30px) 0 clamp(34px, 7vw, 72px);
}

.page-news .news-mast__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--news-line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--news-line-soft) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
}

.page-news .news-mast::before {
  content: "";
  position: absolute;
  left: 44%;
  right: 0;
  top: 10%;
  bottom: -26%;
  background: var(--ink-800);
  transform: skewX(-11deg);
  transform-origin: top left;
  pointer-events: none;
}

.page-news .news-mast::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 12%;
  width: clamp(90px, 20vw, 260px);
  height: 8px;
  background: var(--orange);
  pointer-events: none;
}

.page-news .news-mast__inner {
  position: relative;
  z-index: 1;
}

.page-news .news-mast__crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 26px;
  font-size: 13px;
  color: var(--slate);
}

.page-news .news-mast__crumb a {
  color: var(--slate);
  text-decoration: none;
  transition: color 0.18s ease;
}

.page-news .news-mast__crumb a:hover {
  color: var(--cyan);
}

.page-news .news-mast__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-news .news-mast__kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--cyan);
}

.page-news .news-mast__title {
  margin: 0 0 20px;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(36px, 8.4vw, 76px);
  line-height: 0.98;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.page-news .news-mast__title span {
  display: block;
  color: var(--cyan);
}

.page-news .news-mast__lede {
  margin: 0 0 28px;
  max-width: 64ch;
  font-size: clamp(15px, 2.6vw, 18px);
  line-height: 1.78;
  color: var(--mist);
  opacity: 0.84;
}

.page-news .news-mast__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 0 0 clamp(28px, 5vw, 44px);
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--mist);
}

.page-news .news-mast__meta-item {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding-left: 12px;
  border-left: 1px solid var(--news-glow);
}

.page-news .news-mast__meta-item .mono {
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--cyan);
}

.page-news .news-mast__figure {
  margin: 0;
  border: 1px solid var(--news-line);
  background: var(--ink-800);
}

.page-news .news-mast__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1400 / 800;
  object-fit: cover;
}

/* ================= 主体骨架 ================= */
.page-news .news-body {
  padding-top: clamp(32px, 6vw, 64px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-news .news-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 52px);
  align-items: start;
}

.page-news .news-rail {
  display: grid;
  gap: 22px;
  min-width: 0;
}

.page-news .news-rail__block {
  padding-top: 14px;
  border-top: 1px solid var(--news-line);
}

.page-news .news-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-news .news-toc {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-toc__link {
  display: block;
  padding: 8px 10px 8px 14px;
  border-left: 2px solid transparent;
  font-size: 14px;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-news .news-toc__link:hover {
  color: var(--cyan);
  border-left-color: var(--news-glow);
}

.page-news .news-toc__link.is-active {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(0, 229, 199, 0.07);
}

.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-filter__btn {
  padding: 7px 12px;
  border: 1px solid var(--news-line);
  background: transparent;
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.4;
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-news .news-filter__btn:hover {
  color: var(--cyan);
  border-color: var(--news-glow);
}

.page-news .news-filter__btn.is-active {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
  font-weight: 700;
}

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

.page-news .news-status {
  display: grid;
  gap: 8px;
  margin: 0;
}

.page-news .news-status__row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--news-line);
  font-size: 13px;
}

.page-news .news-status__row dt {
  margin: 0;
  color: var(--slate);
}

.page-news .news-status__row dd {
  margin: 0;
  font-family: var(--font-mono);
  color: var(--cyan);
}

.page-news .news-canvas {
  display: grid;
  gap: clamp(44px, 7vw, 88px);
  min-width: 0;
}

.page-news .news-section {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

/* ================= 章节标题 ================= */
.page-news .news-head {
  margin-bottom: clamp(20px, 4vw, 32px);
}

.page-news .news-head .eyebrow {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-news .news-head__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(25px, 5.2vw, 42px);
  line-height: 1.12;
  letter-spacing: -0.005em;
  color: #ffffff;
}

.page-news .news-head__lede {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--slate);
}

/* ================= 更新流 ================= */
.page-news .stream {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--news-line);
}

.page-news .stream__item {
  padding: clamp(18px, 3.4vw, 26px) 0;
  border-bottom: 1px solid var(--news-line);
  transition: background 0.2s ease;
}

.page-news .stream__item:hover {
  background: rgba(0, 229, 199, 0.035);
}

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

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

.page-news .stream__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-news .stream__time {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
}

.page-news .stream__title {
  margin: 0 0 8px;
  max-width: 34ch;
  font-family: var(--font-display);
  font-size: clamp(19px, 3.6vw, 25px);
  line-height: 1.32;
  color: var(--mist);
}

.page-news .stream__text {
  margin: 0 0 12px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.74;
  color: var(--slate);
}

.page-news .stream__toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--news-line);
  background: none;
  color: var(--cyan);
  font-family: var(--font-body);
  font-size: 13px;
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-news .stream__toggle:hover {
  border-color: var(--cyan);
}

.page-news .stream__toggle-sign {
  display: inline-block;
  font-family: var(--font-mono);
  transition: transform 0.25s ease;
}

.page-news .stream__item.is-open .stream__toggle-sign {
  transform: rotate(45deg);
}

/* ================= 折叠面板 ================= */
.page-news .acc-panel {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.34s ease;
}

.page-news .is-open > .acc-panel,
.page-news .acc-panel.is-open,
.page-news [data-acc-item].is-open .acc-panel {
  max-height: 1200px;
}

.page-news .acc-panel[hidden] {
  display: none;
}

.page-news .acc-panel__inner {
  margin-top: 12px;
  padding: 14px 16px;
  border-left: 2px solid var(--news-glow);
  background: var(--ink-800);
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .acc-panel__inner p {
  margin: 0;
}

/* ================= 分类与版本 ================= */
.page-news .news-figure {
  margin: 0 0 clamp(22px, 4vw, 34px);
  border: 1px solid var(--news-line);
  background: var(--ink-800);
}

.page-news .news-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1600 / 700;
  object-fit: cover;
}

.page-news .news-figure__caption {
  padding: 10px 14px;
  border-top: 1px solid var(--news-line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--slate);
}

.page-news .news-labels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-news .news-label {
  padding: 18px 16px 20px;
  border: 1px solid var(--news-line);
  border-top: 2px solid var(--news-glow);
  background: linear-gradient(180deg, rgba(11, 39, 72, 0.85), rgba(7, 26, 47, 0.55));
}

.page-news .news-label__tag {
  margin: 0 0 12px;
}

.page-news .news-label__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.34;
  color: #ffffff;
}

.page-news .news-label__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--slate);
}

/* ================= 排查修复 ================= */
.page-news .fix-list {
  border-top: 1px solid var(--news-line);
}

.page-news .fix-item {
  border-bottom: 1px solid var(--news-line);
}

.page-news .fix-item__head {
  margin: 0;
}

.page-news .fix-item__trigger {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 16px 0;
  border: 0;
  background: none;
  text-align: left;
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  cursor: pointer;
  transition: color 0.18s ease;
}

.page-news .fix-item__trigger:hover {
  color: var(--cyan);
}

.page-news .fix-item__index {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
}

.page-news .fix-item__label {
  flex: 1 1 auto;
  min-width: 0;
}

.page-news .fix-item__state {
  flex: 0 0 auto;
  padding: 3px 8px;
  border: 1px solid var(--news-glow);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-news .fix-item__sign {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--slate);
  transition: transform 0.25s ease, color 0.18s ease;
}

.page-news .fix-item.is-open .fix-item__sign {
  transform: rotate(45deg);
  color: var(--cyan);
}

.page-news .fix-item__panel .acc-panel__inner {
  margin-bottom: 18px;
}

/* ================= 数据观察 ================= */
.page-news .news-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: clamp(22px, 4vw, 34px);
  background: var(--news-line);
  border: 1px solid var(--news-line);
}

.page-news .news-stat {
  display: grid;
  gap: 6px;
  padding: 18px 16px;
  background: var(--ink-800);
}

.page-news .news-stat .stat__value {
  font-family: var(--font-mono);
  font-size: clamp(22px, 4.4vw, 30px);
  line-height: 1.1;
  color: var(--cyan);
}

.page-news .news-stat .stat__label {
  font-size: 13px;
  color: var(--slate);
}

.page-news .news-figure--chart img {
  aspect-ratio: 1200 / 800;
}

.page-news .news-reports {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-news .news-report {
  padding-left: 16px;
  border-left: 2px solid var(--orange);
}

.page-news .news-report__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-news .news-report__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.32;
  color: #ffffff;
}

.page-news .news-report__text {
  margin: 0;
  max-width: 64ch;
  font-size: 14px;
  line-height: 1.76;
  color: var(--slate);
}

/* ================= 下一步 ================= */
.page-news .news-next {
  padding: clamp(24px, 5vw, 40px) clamp(18px, 4vw, 36px);
  border: 1px solid var(--news-line);
  background: linear-gradient(140deg, rgba(11, 39, 72, 0.92), rgba(7, 26, 47, 0.7));
}

.page-news .news-next__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 34px);
  align-items: center;
}

.page-news .news-next__text .news-head__title {
  margin-bottom: 12px;
}

.page-news .news-next__lede {
  margin: 0 0 20px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--slate);
}

.page-news .news-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.page-news .news-next__note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--news-line);
  font-size: 13px;
  line-height: 1.72;
  color: var(--slate);
}

.page-news .news-next__figure {
  margin: 0;
  border: 1px solid var(--news-line);
}

.page-news .news-next__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 600;
  object-fit: cover;
}

/* ================= 响应式 ================= */
@media (min-width: 620px) {
  .page-news .news-labels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-reports {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-reports > .news-report:first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1025px) {
  .page-news .news-split {
    grid-template-columns: var(--rail) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--header-h) + 22px);
    gap: 26px;
  }

  .page-news .news-labels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-news .news-label:nth-child(2) {
    transform: translateY(22px);
  }

  .page-news .news-label:nth-child(4) {
    transform: translateY(22px);
  }

  .page-news .news-stats {
    grid-template-columns: 1.25fr 1fr 1fr 1fr;
  }

  .page-news .news-reports {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-reports > .news-report:first-child {
    grid-column: auto;
  }

  .page-news .news-next__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  }
}

@media (reduce-motion: reduce) {
  .page-news .acc-panel,
  .page-news .stream__toggle-sign,
  .page-news .fix-item__sign,
  .page-news .news-toc__link,
  .page-news .news-filter__btn {
    transition: none;
  }
}