/* ============================================================
   更新动态 / 页面作用域：.page-news
   ============================================================ */

.page-news {
  --news-panel-lit: #131C3D;
  --news-series: #9B6BFF;
  --news-paper-accent: #A8390D;
  --news-paper-rule: rgba(27, 20, 16, 0.16);
  --news-rail: 32px;
  background: var(--void);
  color: var(--text);
  overflow-x: hidden;
}

.page-news .news-block,
.page-news .news-cover {
  scroll-margin-top: calc(var(--header-h-solid) + 16px);
}

/* ---------- 封面 ---------- */

.page-news .news-cover {
  position: relative;
  padding: calc(var(--header-h) + 56px) 0 0;
  background:
    radial-gradient(110% 82% at 6% -14%, rgba(75, 30, 122, 0.62), transparent 60%),
    radial-gradient(72% 62% at 100% 2%, rgba(70, 245, 163, 0.10), transparent 58%),
    var(--void);
}

.page-news .news-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(168, 179, 196, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(168, 179, 196, 0.055) 1px, transparent 1px);
  background-size: 8px 8px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 76%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 76%);
}

.page-news .news-cover > .container {
  position: relative;
  z-index: 1;
}

.page-news .news-cover__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding: 26px 0 52px;
}

.page-news .news-cover__rail {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-news .news-cover__railnum {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--neon);
}

.page-news .news-cover__railtext {
  font-size: 12px;
  letter-spacing: 0.34em;
  color: var(--silver);
}

.page-news .news-cover__eyebrow {
  margin: 0 0 18px;
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--silver);
}

.page-news .news-cover__title {
  margin: 0 0 22px;
  font-size: clamp(42px, 11vw, 104px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.page-news .news-cover__title::after {
  content: "";
  display: block;
  width: 92px;
  height: 4px;
  margin-top: 24px;
  background: linear-gradient(90deg, var(--neon), var(--pulse));
}

.page-news .news-cover__lede {
  max-width: 44ch;
  margin: 0 0 14px;
  font-size: 17px;
  line-height: 1.92;
  color: var(--text-soft);
}

.page-news .news-cover__ask {
  max-width: 44ch;
  margin: 0 0 26px;
  font-size: 15px;
  color: var(--silver);
}

.page-news .news-cover__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .news-cover__index {
  border: 1px solid var(--glass);
  background: rgba(14, 22, 51, 0.74);
  padding: 20px 20px 14px;
}

.page-news .news-cover__toc {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.page-news .news-cover__toc li a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  color: var(--text-soft);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-news .news-cover__toc li:last-child a {
  border-bottom: 0;
}

.page-news .news-cover__toc li a span {
  font-size: 12px;
  color: var(--silver);
}

.page-news .news-cover__toc li a:hover {
  color: var(--neon);
  padding-left: 4px;
}

.page-news .news-meters {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .news-meters li {
  display: grid;
  gap: 6px;
  padding: 18px 16px;
  background: var(--void);
}

.page-news .news-meters__val {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--neon);
}

.page-news .news-meters__key {
  font-size: 13px;
  color: var(--silver);
}

/* ---------- 章节标题 ---------- */

.page-news .news-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 6px 16px;
  margin-bottom: 34px;
}

.page-news .nh-no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--neon);
}

.page-news .nh-title {
  margin: 0;
}

.page-news .nh-note {
  grid-column: 2;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--silver);
}

.page-news .news-lead {
  max-width: 56ch;
  margin: 0 0 34px;
  color: var(--text-soft);
}

/* ---------- 图片框 ---------- */

.page-news .news-figure,
.page-news .obs-figure {
  position: relative;
  overflow: hidden;
  margin: 0 0 38px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-news .media-frame--2x1 {
  aspect-ratio: 2 / 1;
}

.page-news .media-frame--3x2 {
  aspect-ratio: 3 / 2;
}

.page-news .media-frame--12x7 {
  aspect-ratio: 12 / 7;
}

.page-news .news-figure img,
.page-news .obs-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 01 本期速览 ---------- */

.page-news .news-trio {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .news-trio__item {
  position: relative;
  display: grid;
  gap: 14px;
  align-content: start;
  padding: 30px 24px 26px 26px;
  background: var(--panel);
  transition: background 0.25s var(--ease);
}

.page-news .news-trio__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--silver);
}

.page-news .news-trio__item--change::before {
  background: var(--neon);
}

.page-news .news-trio__item--data::before {
  background: var(--pulse);
}

.page-news .news-trio__item:hover {
  background: var(--news-panel-lit);
}

.page-news .news-trio__item h3 {
  margin: 0;
}

.page-news .news-trio__item p {
  margin: 0;
}

.page-news .news-trio__meta {
  font-size: 12px;
  line-height: 1.7;
  color: var(--silver);
}

.page-news .news-trio__meta .t-mono {
  color: var(--text-soft);
}

.page-news .news-tag--silver {
  display: inline-block;
  padding: 3px 9px;
  border: 1px solid var(--line-strong);
  color: var(--silver);
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* ---------- 02 变更说明轴 ---------- */

.page-news .news-block--deep {
  background: linear-gradient(180deg, var(--panel) 0%, var(--void) 100%);
}

.page-news .axis {
  list-style: none;
  margin: 0;
  padding: 0 0 0 var(--news-rail);
  position: relative;
}

.page-news .axis::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: var(--line-strong);
}

.page-news .axis__item {
  position: relative;
}

.page-news .axis__item + .axis__item {
  margin-top: 4px;
}

.page-news .axis__tick {
  position: absolute;
  left: calc(-1 * var(--news-rail));
  top: 22px;
  width: 16px;
  height: 2px;
  background: var(--silver);
  transition: background 0.25s var(--ease);
}

.page-news .axis__item--latest .axis__tick {
  height: 4px;
  top: 21px;
  background: var(--neon);
  box-shadow: 0 0 0 2px rgba(70, 245, 163, 0.28);
}

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

.page-news .axis__sum {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 15px 0;
  list-style: none;
  cursor: pointer;
  transition: color 0.2s var(--ease);
}

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

.page-news .axis__sum::marker {
  content: "";
}

.page-news .axis__sum:hover {
  color: var(--neon);
}

.page-news .axis__week {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--silver);
}

.page-news .axis__head {
  flex: 1 1 auto;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
}

.page-news .axis__sum:hover .axis__head {
  color: var(--neon);
}

.page-news .axis__caret {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--silver);
}

.page-news .axis__det[open] .axis__caret {
  color: var(--pulse);
}

.page-news .axis__det[open] .axis__caret::before {
  content: "−";
}

.page-news .axis__det:not([open]) .axis__caret::before {
  content: "+";
}

.page-news .axis__body {
  position: relative;
  margin: 0 0 18px;
  padding: 0 0 0 18px;
}

.page-news .axis__body::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: var(--pulse);
}

.page-news .axis__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-soft);
}

/* ---------- 03 版本迭代 ---------- */

.page-news .vlist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .vlist__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 22px 14px 22px 16px;
  border-bottom: 1px solid var(--line);
  transition: background 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-news .vlist__row:hover {
  background: rgba(14, 22, 51, 0.9);
  box-shadow: inset 3px 0 0 var(--neon);
}

.page-news .vlist__no {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--neon);
}

.page-news .vlist__title {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.55;
  color: var(--text);
}

.page-news .vlist__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-soft);
}

.page-news .vlist__scope {
  justify-self: start;
  align-self: start;
  padding: 3px 9px;
  border: 1px solid var(--line-strong);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--silver);
  white-space: nowrap;
}

/* ---------- 04 赛事数据观察 ---------- */

.page-news .section--paper .nh-no {
  color: var(--news-paper-accent);
}

.page-news .section--paper .nh-note {
  color: rgba(27, 20, 16, 0.62);
}

.page-news .obs-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

.page-news .obs + .obs {
  margin-top: 26px;
  padding-top: 26px;
  border-top: 1px solid var(--news-paper-rule);
}

.page-news .obs__no {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--news-paper-accent);
}

.page-news .obs h3 {
  margin: 0 0 10px;
  color: var(--ink);
}

.page-news .obs p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(27, 20, 16, 0.78);
}

.page-news .obs-figure {
  margin-bottom: 0;
  border-color: var(--news-paper-rule);
  background: rgba(27, 20, 16, 0.06);
}

/* ---------- 05 专题系列 ---------- */

.page-news .news-block--series {
  background:
    radial-gradient(90% 70% at 88% 0%, rgba(42, 19, 80, 0.55), transparent 62%),
    var(--void);
}

.page-news .series-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-news .series-card {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 26px 22px 24px;
  border: 1px solid var(--glass);
  background: linear-gradient(180deg, rgba(42, 19, 80, 0.55), rgba(14, 22, 51, 0.88));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-news .series-card:hover {
  transform: translateY(-2px);
  border-color: rgba(70, 245, 163, 0.45);
}

.page-news .series-card__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--silver);
}

.page-news .series-card h3 {
  margin: 0;
}

.page-news .series-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-soft);
}

.page-news .series-card__link {
  justify-self: start;
  margin-top: 4px;
  padding-bottom: 2px;
  font-size: 14px;
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(70, 245, 163, 0.42);
  transition: padding-left 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .series-card__link:hover {
  padding-left: 4px;
  border-color: var(--neon);
}

/* ---------- 06 分类回溯 ---------- */

.page-news .archive {
  position: relative;
}

.page-news .archive__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  opacity: 0;
  pointer-events: none;
}

.page-news .archive__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}

.page-news .archive__chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--line-strong);
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.2;
  cursor: pointer;
  user-select: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .archive__chip:hover {
  border-color: var(--neon);
  color: var(--neon);
}

.page-news .archive__count {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  opacity: 0.68;
}

.page-news #nf-all:checked ~ .archive__bar label[for="nf-all"],
.page-news #nf-change:checked ~ .archive__bar label[for="nf-change"],
.page-news #nf-version:checked ~ .archive__bar label[for="nf-version"],
.page-news #nf-data:checked ~ .archive__bar label[for="nf-data"],
.page-news #nf-series:checked ~ .archive__bar label[for="nf-series"] {
  background: var(--neon);
  border-color: var(--neon);
  color: var(--void);
}

.page-news .archive__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .archive__row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 18px 16px 18px 18px;
  border-bottom: 1px solid var(--line);
  transition: background 0.22s var(--ease);
}

.page-news .archive__row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--silver);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.22s var(--ease);
}

.page-news .archive__row[data-cat="change"]::before {
  background: var(--neon);
}

.page-news .archive__row[data-cat="data"]::before {
  background: var(--pulse);
}

.page-news .archive__row[data-cat="series"]::before {
  background: var(--news-series);
}

.page-news .archive__row:hover {
  background: var(--panel);
}

.page-news .archive__row:hover::before {
  transform: scaleY(1);
}

.page-news .archive__cat {
  justify-self: start;
  padding: 3px 8px;
  border: 1px solid currentColor;
  font-size: 12px;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.page-news .archive__cat--change {
  color: var(--neon);
}

.page-news .archive__cat--version {
  color: var(--silver);
}

.page-news .archive__cat--data {
  color: var(--pulse);
}

.page-news .archive__cat--series {
  color: var(--news-series);
}

.page-news .archive__date {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--silver);
}

.page-news .archive__title {
  margin: 0 0 6px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
}

.page-news .archive__sum {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* 分类筛选：纯 CSS 显隐 */
.page-news #nf-change:checked ~ .archive__list .archive__row,
.page-news #nf-version:checked ~ .archive__list .archive__row,
.page-news #nf-data:checked ~ .archive__list .archive__row,
.page-news #nf-series:checked ~ .archive__list .archive__row {
  display: none;
}

.page-news #nf-change:checked ~ .archive__list .archive__row[data-cat="change"],
.page-news #nf-version:checked ~ .archive__list .archive__row[data-cat="version"],
.page-news #nf-data:checked ~ .archive__list .archive__row[data-cat="data"],
.page-news #nf-series:checked ~ .archive__list .archive__row[data-cat="series"] {
  display: grid;
}

.page-news .archive__note {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--silver);
}

.page-news .archive__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 桌面端 ---------- */

@media (min-width: 900px) {
  .page-news .news-cover {
    padding-top: calc(var(--header-h) + 72px);
  }

  .page-news .news-cover__grid {
    grid-template-columns: 56px minmax(0, 1fr) 250px;
    gap: 48px;
    align-items: start;
    padding-bottom: 72px;
  }

  .page-news .news-cover__rail {
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding-top: 10px;
  }

  .page-news .news-cover__railtext {
    writing-mode: vertical-rl;
    letter-spacing: 0.34em;
  }

  .page-news .news-cover__index {
    margin-top: 6px;
  }

  .page-news .news-cover__lede {
    max-width: 40ch;
  }

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

  .page-news .news-head {
    grid-template-columns: auto auto minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
    margin-bottom: 44px;
  }

  .page-news .nh-note {
    grid-column: 3;
    justify-self: end;
    text-align: right;
  }

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

  .page-news .news-trio__item {
    padding: 34px 26px 30px 28px;
  }

  .page-news .axis {
    padding-left: 40px;
  }

  .page-news .axis__tick {
    left: -40px;
    width: 20px;
  }

  .page-news .axis__sum {
    gap: 22px;
    padding: 17px 0;
  }

  .page-news .axis__week {
    width: 84px;
  }

  .page-news .axis__head {
    font-size: 17px;
  }

  .page-news .vlist__row {
    grid-template-columns: 104px minmax(0, 1fr) 104px;
    gap: 30px;
    align-items: start;
    padding: 26px 18px 26px 16px;
  }

  .page-news .vlist__no {
    font-size: 20px;
  }

  .page-news .vlist__scope {
    justify-self: end;
  }

  .page-news .obs-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 56px;
    align-items: start;
  }

  .page-news .series-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

  .page-news .series-card:nth-child(1) {
    margin-top: 34px;
  }

  .page-news .series-card:nth-child(3) {
    margin-top: 62px;
  }

  .page-news .archive__row {
    grid-template-columns: 104px 96px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
    padding: 19px 18px 19px 20px;
  }

  .page-news .archive__cat {
    margin-top: -2px;
  }
}

@media (min-width: 1180px) {
  .page-news .news-cover__index {
    padding: 24px 22px 18px;
  }

  .page-news .news-figure {
    margin-bottom: 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-trio__item,
  .page-news .series-card,
  .page-news .archive__row,
  .page-news .archive__row::before,
  .page-news .series-card__link,
  .page-news .news-cover__toc li a {
    transition: none;
  }

  .page-news .series-card:hover {
    transform: none;
  }
}