.page-news {
  --news-sticky: calc(var(--status-h) + 8px);
  padding-bottom: 72px;
}

/* ---------- 面包屑与首屏 ---------- */
.page-news .breadcrumbs {
  padding-top: 18px;
}

.page-news .news-hero {
  padding-top: 20px;
  padding-bottom: 6px;
}

.page-news .news-hero__grid {
  display: grid;
  gap: 26px;
}

.page-news .news-hero__copy h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 6.2vw, 50px);
  line-height: 1.12;
  letter-spacing: -1px;
  font-weight: 700;
  color: var(--c-text);
  margin: 14px 0 16px;
  text-wrap: balance;
}

.page-news .news-hero__lede {
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-muted);
  max-width: 62ch;
  margin: 0 0 22px;
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
  padding: 18px 0 18px 18px;
  border-left: 2px solid var(--c-neon);
  background:
    linear-gradient(135deg, rgba(0, 229, 199, .07), transparent 62%);
  border-radius: 0 var(--r-organic-lg) var(--r-organic-lg) 0;
}

.page-news .news-hero__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-news .news-hero__stats .stat__value {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  font-weight: 700;
  color: var(--c-neon);
  letter-spacing: -.5px;
}

.page-news .news-hero__stats .stat__value em {
  font-style: normal;
  font-size: 15px;
  color: var(--c-neon-soft);
  margin-left: 2px;
}

.page-news .news-hero__stats .stat__label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--c-muted);
}

.page-news .news-hero__figure {
  margin: 26px auto 0;
}

.page-news .news-figcap {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-muted);
  border-left: 2px solid var(--line-strong);
  padding-left: 10px;
}

/* ---------- 吸顶筛选条 ---------- */
.page-news .news-filter {
  position: sticky;
  top: var(--news-sticky);
  z-index: 30;
  margin-top: 30px;
  background: rgba(7, 42, 32, .95);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.page-news .news-filter__inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.page-news .news-filter__hint {
  flex: 0 0 auto;
  margin: 0;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--c-muted);
  font-family: var(--font-display);
  text-transform: uppercase;
  display: none;
}

.page-news .news-filter__list {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 2px 2px 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  flex: 1 1 auto;
  min-width: 0;
}

.page-news .filter-btn {
  display: inline-block;
  white-space: nowrap;
  padding: 7px 14px;
  font-size: 13px;
  line-height: 1.3;
  color: var(--c-muted);
  text-decoration: none;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  transition: color var(--dur) var(--ease-out),
    background-color var(--dur) var(--ease-out),
    border-color var(--dur) var(--ease-out);
}

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

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

.page-news .anchor-flag {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  overflow: hidden;
  pointer-events: none;
}

/* 激活态：默认“全部条目”，命中锚点后切换到对应按钮 */
.page-news:not(:has(.anchor-flag:target)) .filter-btn[href="#f-all"],
.page-news:has(#f-derby:target) .filter-btn[href="#f-derby"],
.page-news:has(#f-promoted:target) .filter-btn[href="#f-promoted"],
.page-news:has(#f-tactic:target) .filter-btn[href="#f-tactic"],
.page-news:has(#f-rotation:target) .filter-btn[href="#f-rotation"],
.page-news:has(#f-profile:target) .filter-btn[href="#f-profile"],
.page-news:has(#f-data:target) .filter-btn[href="#f-data"] {
  color: var(--c-ink-deep);
  background: var(--c-neon);
  border-color: var(--c-neon);
  font-weight: 600;
}

/* 筛选生效：隐藏不匹配的条目与空组 */
.page-news:has(#f-derby:target) .entry:not([data-cat~="derby"]),
.page-news:has(#f-promoted:target) .entry:not([data-cat~="promoted"]),
.page-news:has(#f-tactic:target) .entry:not([data-cat~="tactic"]),
.page-news:has(#f-rotation:target) .entry:not([data-cat~="rotation"]),
.page-news:has(#f-profile:target) .entry:not([data-cat~="profile"]),
.page-news:has(#f-data:target) .entry:not([data-cat~="data"]) {
  display: none;
}

.page-news:has(#f-derby:target) .round-group:not(:has(.entry[data-cat~="derby"])),
.page-news:has(#f-promoted:target) .round-group:not(:has(.entry[data-cat~="promoted"])),
.page-news:has(#f-tactic:target) .round-group:not(:has(.entry[data-cat~="tactic"])),
.page-news:has(#f-rotation:target) .round-group:not(:has(.entry[data-cat~="rotation"])),
.page-news:has(#f-profile:target) .round-group:not(:has(.entry[data-cat~="profile"])),
.page-news:has(#f-data:target) .round-group:not(:has(.entry[data-cat~="data"])) {
  display: none;
}

/* ---------- 轮次索引 ---------- */
.page-news .news-rounds {
  padding-top: 42px;
  padding-bottom: 8px;
}

.page-news .round-strip-wrap {
  margin-top: 22px;
}

.page-news .round-strip {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 2px 2px 10px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .round-chip {
  display: grid;
  place-items: center;
  width: 48px;
  height: 46px;
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--c-text);
  text-decoration: none;
  background: rgba(15, 76, 58, .55);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-organic);
  transition: color var(--dur) var(--ease-out),
    border-color var(--dur) var(--ease-out),
    transform var(--dur) var(--ease-out);
}

.page-news .round-chip:first-child {
  color: var(--c-ink-deep);
  background: var(--c-neon);
  border-color: var(--c-neon);
  font-weight: 700;
}

.page-news .round-chip--early {
  color: var(--c-muted);
  background: transparent;
  border-style: dashed;
}

.page-news .round-chip:hover {
  color: var(--c-neon);
  border-color: var(--c-neon);
  transform: translateY(-2px);
}

.page-news .round-chip:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: 2px;
}

.page-news .news-rounds__figure {
  margin: 26px 0 0;
  max-width: 760px;
}

/* ---------- 最新条目分组 ---------- */
.page-news .news-latest {
  padding-top: 44px;
}

.page-news .round-group {
  margin-top: 44px;
  scroll-margin-top: calc(var(--news-sticky) + 76px);
}

.page-news .round-group__band {
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--c-neon), rgba(0, 229, 199, .06) 72%, transparent);
}

.page-news .round-group__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 0 6px;
}

.page-news .round-group__num {
  flex: 0 0 auto;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 40px;
  line-height: .9;
  font-weight: 700;
  color: var(--c-neon);
  letter-spacing: -2px;
  opacity: .85;
}

.page-news .round-group__meta {
  min-width: 0;
}

.page-news .round-group__title {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: clamp(19px, 3vw, 24px);
  letter-spacing: -.3px;
  color: var(--c-text);
}

.page-news .round-group__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-muted);
}

.page-news .entry-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.page-news .entry {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  transition: background-color var(--dur) var(--ease-out);
}

.page-news .entry:hover {
  background: rgba(0, 229, 199, .04);
}

.page-news .entry__code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-neon);
  opacity: .8;
}

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

.page-news .entry__title {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 1.45;
  font-weight: 600;
  color: var(--c-text);
}

.page-news .entry__summary {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--dur) var(--ease-out);
}

.page-news .entry:hover .entry__summary,
.page-news .entry:focus-within .entry__summary {
  -webkit-line-clamp: 5;
  color: var(--c-text);
}

.page-news .entry__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 8px;
  padding: 0;
  list-style: none;
}

.page-news .entry__time {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-muted);
  font-family: var(--font-mono);
}

.page-news .round-group--early .early-panel {
  margin-top: 14px;
  padding: 20px 18px;
  background: rgba(15, 76, 58, .38);
  border: 1px solid var(--line);
  border-radius: var(--r-organic-lg);
}

.page-news .round-group--early .early-panel p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--c-muted);
}

.page-news .round-group--early .early-panel .cta-row {
  margin-top: 16px;
}

/* ---------- 专题系列 ---------- */
.page-news .news-topics {
  padding-top: 54px;
  padding-bottom: 10px;
}

.page-news .topic-layout {
  display: grid;
  gap: 26px;
  margin-top: 24px;
}

.page-news .topic-cards {
  display: grid;
  gap: 16px;
}

.page-news .topic-card {
  display: block;
  padding: 20px 20px 18px;
  text-decoration: none;
  color: var(--c-text);
  background: var(--c-card);
  border: 1px solid var(--line);
  border-radius: var(--r-organic-lg);
  transition: border-color var(--dur) var(--ease-out),
    transform var(--dur) var(--ease-out),
    background-color var(--dur) var(--ease-out);
}

.page-news .topic-card--a {
  border-left: 3px solid var(--c-neon);
}

.page-news .topic-card--b {
  background: linear-gradient(150deg, rgba(0, 229, 199, .12), var(--c-card) 58%);
  border-radius: 22px 6px 22px 6px;
}

.page-news .topic-card--c {
  background: linear-gradient(200deg, rgba(255, 107, 53, .16), var(--c-card) 62%);
  border-radius: 6px 22px 6px 22px;
  border-left: 3px solid var(--c-orange);
}

.page-news .topic-card:hover {
  border-color: var(--c-neon);
  transform: translateY(-2px);
}

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

.page-news .topic-card__num {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--c-neon);
}

.page-news .topic-card__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 21px;
  letter-spacing: -.3px;
}

.page-news .topic-card__text {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--c-muted);
}

.page-news .topic-card__more {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--c-neon-soft);
  border-bottom: 1px solid rgba(124, 242, 223, .38);
  padding-bottom: 2px;
}

.page-news .topic-visual {
  margin: 0;
  max-width: 340px;
}

/* ---------- 归档与更新 ---------- */
.page-news .news-archive {
  padding-top: 54px;
  padding-bottom: 0;
}

.page-news .archive-grid {
  display: grid;
  gap: 26px;
  margin-top: 24px;
}

.page-news .archive-copy h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--c-text);
  letter-spacing: -.2px;
}

.page-news .archive-copy h3:not(:first-child) {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-news .archive-copy p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-news .archive-visual {
  margin: 0;
}

.page-news .archive-table-wrap {
  margin-top: 30px;
  border: 1px solid var(--line);
  border-radius: var(--r-organic);
}

.page-news .archive-table-wrap .data-table {
  min-width: 520px;
}

.page-news .archive-table-wrap .data-table caption {
  text-align: left;
  padding: 14px 16px 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-muted);
  font-family: var(--font-display);
  text-transform: uppercase;
}

.page-news .archive-table-wrap .data-table th,
.page-news .archive-table-wrap .data-table td {
  padding: 12px 16px;
  font-size: 13.5px;
  line-height: 1.6;
  border-bottom: 1px solid var(--line);
  color: var(--c-text);
  text-align: left;
}

.page-news .archive-table-wrap .data-table thead th {
  background: var(--c-card);
  color: var(--c-neon-soft);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: .06em;
}

.page-news .archive-table-wrap .data-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-news .archive-table-wrap .data-table .data-table__num {
  font-family: var(--font-mono);
  color: var(--c-neon);
  white-space: nowrap;
}

.page-news .archive-cta {
  margin-top: 28px;
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 720px) {
  .page-news .news-filter__hint {
    display: block;
  }

  .page-news .entry {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 22px;
    padding: 20px 0;
  }

  .page-news .entry__code {
    padding-top: 4px;
  }

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

  .page-news .round-group__head {
    gap: 20px;
    padding: 22px 0 8px;
  }

  .page-news .round-group__num {
    font-size: 54px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
    align-items: end;
    gap: 46px;
  }

  .page-news .news-hero__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 22px;
    padding: 22px 0 22px 22px;
  }

  .page-news .news-hero__stats .stat__value {
    font-size: 30px;
  }

  .page-news .topic-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
    gap: 32px;
  }

  .page-news .topic-card--b {
    margin-left: 22px;
  }

  .page-news .topic-card--c {
    margin-left: 44px;
  }

  .page-news .topic-visual {
    margin-top: 30px;
    max-width: none;
  }

  .page-news .archive-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
    gap: 34px;
  }

  .page-news .news-rounds__figure {
    max-width: 860px;
  }
}

@media (min-width: 1080px) {
  .page-news .entry__summary {
    max-width: 78ch;
  }

  .page-news .round-group {
    margin-top: 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry,
  .page-news .filter-btn,
  .page-news .round-chip,
  .page-news .topic-card,
  .page-news .entry__summary {
    transition: none;
  }

  .page-news .round-chip:hover,
  .page-news .topic-card:hover {
    transform: none;
  }
}