.page-news {
  --news-rail-w: 236px;
  --news-rail-gap: 52px;
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  padding: 30px 0 0;
  background:
    radial-gradient(120% 76% at 6% -14%, rgba(0, 227, 233, 0.13), transparent 58%),
    radial-gradient(92% 62% at 96% 2%, rgba(255, 106, 26, 0.10), transparent 62%);
  border-bottom: var(--hairline);
}

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

.page-news .news-hero__eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.18em;
}

.page-news .news-hero__title {
  margin: 0 0 18px;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 60px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-news .news-hero__lede {
  max-width: 62ch;
  margin: 0 0 30px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .news-hero__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0 0 36px;
  padding: 0;
  list-style: none;
  border: var(--hairline);
  border-radius: var(--radius-panel);
  background: var(--grid);
  overflow: hidden;
}

.page-news .news-hero__facts > li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 15px 18px;
  background: var(--night);
}

.page-news .news-fact__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-news .news-fact__v {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}

.page-news .news-hero__figurewrap {
  padding-bottom: 48px;
}

.page-news .news-hero__figure {
  margin: 0;
}

@media (min-width: 640px) {
  .page-news .news-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 两栏骨架 ---------- */

.page-news .news-body {
  padding: 44px 0 72px;
}

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

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

/* ---------- 左侧索引与筛选 ---------- */

.page-news .news-rail {
  min-width: 0;
}

.page-news .news-rail__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-news .news-rail__title--gap {
  margin-top: 26px;
}

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

.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-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--grid);
  border-radius: var(--radius-capsule);
  background: rgba(16, 31, 53, 0.72);
  color: var(--mist);
  font-size: 13px;
  line-height: 1.2;
  cursor: pointer;
  transition: color 0.18s var(--ease), background 0.18s var(--ease),
    border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-news .filter-pill:hover {
  border-color: var(--cyan-deep);
  color: var(--white);
}

.page-news .filter-pill__n {
  font-size: 11px;
  color: var(--mist);
}

.page-news .filter-input:checked + .filter-pill {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--void);
  font-weight: 600;
}

.page-news .filter-input:checked + .filter-pill .filter-pill__n {
  color: rgba(5, 9, 18, 0.7);
}

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

.page-news .news-rail .index-rail {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-left: var(--hairline);
  padding-left: 14px;
}

.page-news .news-rail .index-link {
  padding: 5px 0;
  font-size: 13px;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.page-news .news-rail .index-link:hover,
.page-news .news-rail .index-link[aria-current="true"] {
  color: var(--cyan);
}

/* 分类筛选：仅隐藏本页已有条目 */

.page-news .news-layout:has(#nf-rule:checked) .tl-item:not([data-kind="rule"]),
.page-news .news-layout:has(#nf-release:checked) .tl-item:not([data-kind="release"]),
.page-news .news-layout:has(#nf-topic:checked) .tl-item:not([data-kind="topic"]) {
  display: none;
}

/* ---------- 章节通用 ---------- */

.page-news .chapter {
  padding: 44px 0 0;
  border-top: var(--hairline);
}

.page-news .chapter:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-news .chapter + .chapter {
  margin-top: 44px;
}

.page-news .chapter .section-title {
  color: var(--white);
}

.page-news .chapter .section-note {
  max-width: 58ch;
}

/* ---------- 时间线 ---------- */

.page-news .timeline {
  position: relative;
  margin: 30px 0 0 10px;
  padding: 0;
  list-style: none;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(
    180deg,
    var(--cyan) 0%,
    var(--grid) 12%,
    var(--grid) 86%,
    rgba(29, 51, 82, 0) 100%
  );
}

.page-news .tl-item {
  position: relative;
  padding-left: 36px;
  margin-bottom: 16px;
}

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

.page-news .tl-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 227, 233, 0.12);
  transition: box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}

.page-news .tl-card {
  padding: 18px 20px 16px;
  border-radius: var(--radius-card);
  background: var(--steel);
  border: 1px solid var(--grid);
  transition: border-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-news .tl-card:hover {
  border-color: rgba(0, 227, 233, 0.45);
  transform: translateX(3px);
}

.page-news .tl-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.page-news .tl-card__no {
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--mist);
}

.page-news .tl-card__when {
  margin-left: auto;
  font-size: 12px;
  color: var(--mist);
  font-variant-numeric: tabular-nums;
}

.page-news .tl-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  border-radius: var(--radius-capsule);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  border: 1px solid currentColor;
}

.page-news .tl-tag--rule {
  color: var(--cyan);
  background: rgba(0, 227, 233, 0.10);
}

.page-news .tl-tag--release {
  color: var(--orange);
  background: rgba(255, 106, 26, 0.10);
}

.page-news .tl-tag--topic {
  color: var(--mist);
  background: rgba(140, 163, 191, 0.10);
}

.page-news .tl-card__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--white);
}

.page-news .tl-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
}

.page-news .tl-card__more {
  margin-top: 10px;
  border-top: 1px dashed rgba(29, 51, 82, 0.9);
  padding-top: 6px;
}

.page-news .tl-card__more summary {
  display: inline-block;
  padding: 4px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  cursor: pointer;
  list-style: none;
}

.page-news .tl-card__more summary::-webkit-details-marker {
  display: none;
}

.page-news .tl-card__more summary::before {
  content: "＋ ";
}

.page-news .tl-card__more[open] summary::before {
  content: "－ ";
}

.page-news .tl-card__more p {
  margin: 6px 0 4px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 本赛季要点 ---------- */

.page-news .rule-points {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 28px;
  border: var(--hairline);
  border-radius: var(--radius-panel);
  background: var(--grid);
  overflow: hidden;
}

.page-news .rule-point {
  padding: 20px 22px;
  background: var(--night);
}

.page-news .rule-point__title {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-news .rule-point__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--white);
}

@media (min-width: 720px) {
  .page-news .rule-points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 归档 ---------- */

.page-news .archive-split {
  align-items: start;
  margin-top: 28px;
}

.page-news .archive-copy {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .archive-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-news .archive-split__figure {
  margin: 22px 0 0;
}

.page-news .archive-table {
  margin-top: 30px;
}

/* ---------- 客户端日志 ---------- */

.page-news .log-split {
  margin-top: 28px;
  align-items: start;
}

.page-news .log-split__side {
  margin-top: 24px;
}

.page-news .log-split__figure {
  margin: 0 0 18px;
}

.page-news .log-split__note {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 专题 ---------- */

.page-news .topics-cover {
  margin: 28px 0 0;
}

.page-news .topic-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .topic-card {
  position: relative;
  padding: 22px 22px 20px;
  border-radius: var(--radius-card);
  background: linear-gradient(160deg, var(--steel), var(--night));
  border: 1px solid var(--grid);
  display: flex;
  flex-direction: column;
  transition: border-color 0.24s var(--ease);
}

.page-news .topic-card::after {
  content: "";
  position: absolute;
  left: 22px;
  right: 22px;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(0, 227, 233, 0));
}

.page-news .topic-card:hover {
  border-color: rgba(0, 227, 233, 0.4);
}

.page-news .topic-card__no {
  font-size: 12px;
  color: var(--mist);
  margin-bottom: 10px;
}

.page-news .topic-card__title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
}

.page-news .topic-card__text {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
  flex: 1;
}

.page-news .topic-card__cadence {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(29, 51, 82, 0.9);
  font-size: 13px;
  color: var(--mist);
}

.page-news .topic-card__cadence .mono {
  color: var(--cyan);
  margin-right: 6px;
}

/* ---------- 疑问与联系 ---------- */

.page-news .chapter--ask .ask-panel {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin-top: 26px;
  padding: 24px 22px;
  border: 1px solid var(--grid);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius-panel);
  background: var(--steel);
}

.page-news .ask-list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-news .ask-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--white);
}

.page-news .ask-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  transform: rotate(45deg);
  background: var(--cyan);
}

.page-news .ask-panel__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-news .ask-panel__note strong {
  color: var(--amber);
  font-weight: 600;
}

.page-news .ask-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 表格微调 ---------- */

.page-news .spec-table {
  min-width: 520px;
  font-size: 14px;
}

.page-news .spec-table th {
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  font-weight: 500;
  white-space: nowrap;
}

.page-news .spec-table td {
  color: var(--white);
  vertical-align: top;
}

.page-news .spec-table td.mono {
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
  white-space: nowrap;
}

/* ---------- 桌面布局 ---------- */

@media (min-width: 760px) {
  .page-news .topic-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-hero {
    padding-top: 38px;
  }

  .page-news .chapter {
    padding-top: 54px;
  }

  .page-news .chapter + .chapter {
    margin-top: 54px;
  }

  .page-news .chapter--ask .ask-panel {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 32px;
    padding: 28px 28px;
  }

  .page-news .ask-panel__body {
    max-width: 60ch;
  }
}

@media (min-width: 1000px) {
  .page-news .news-layout {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: var(--news-rail-gap);
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
  }

  .page-news .news-hero__lede {
    font-size: 18px;
  }

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

  .page-news .tl-card {
    padding: 20px 24px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .tl-card,
  .page-news .topic-card,
  .page-news .filter-pill,
  .page-news .tl-item::before {
    transition: none;
  }

  .page-news .tl-card:hover {
    transform: none;
  }
}
</main>