.page-news {
  --col-preview: #FF5A2B;
  --col-review: #2FD8B0;
  --col-data: #4F86C6;
  --col-release: #FFC24B;
  --col-city: #FF8A5C;
  --news-line: #263440;
  --news-seam: 18px;
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-news .breadcrumbs {
  padding-top: clamp(18px, 4vw, 32px);
  padding-bottom: 8px;
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  padding-top: clamp(20px, 4vw, 40px);
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 320px;
  background-image:
    linear-gradient(to right, var(--grid-600) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-600) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.28;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 92%);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 92%);
  pointer-events: none;
}

.page-news .news-hero__inner {
  position: relative;
  max-width: 880px;
}

.page-news .news-hero__kicker {
  display: inline-block;
  margin: 0 0 14px;
  padding: 6px 12px;
  border: 1px solid var(--glass-line);
  border-radius: 999px;
  color: var(--signal-soft);
  background: var(--ink-750);
  letter-spacing: 0.18em;
}

.page-news .news-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.1rem, 8.4vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: 0.03em;
  color: var(--text-hi);
  text-wrap: balance;
}

.page-news .news-hero__lead {
  max-width: 62ch;
  margin: 0 0 26px;
  color: var(--text-mid);
  font-size: clamp(0.95rem, 2.4vw, 1.06rem);
  line-height: 1.8;
}

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

/* 封面条 */

.page-news .cover-rail {
  margin-top: clamp(32px, 6vw, 56px);
}

.page-news .cover-track {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  padding: 6px var(--gutter) 22px;
  scrollbar-width: thin;
  scrollbar-color: var(--grid-600) transparent;
}

.page-news .cover-track:focus-visible {
  outline: 2px solid var(--signal-soft);
  outline-offset: 4px;
}

.page-news .cover-track::-webkit-scrollbar {
  height: 6px;
}

.page-news .cover-track::-webkit-scrollbar-thumb {
  background: var(--grid-600);
  border-radius: 999px;
}

.page-news .cover-card {
  flex: 0 0 82vw;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  min-height: 220px;
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(22, 32, 42, 0.9), rgba(14, 21, 28, 1));
  overflow: hidden;
}

.page-news .cover-card--lead .cover-card__media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.page-news .cover-card--lead .cover-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.9) brightness(0.82);
}

.page-news .cover-card__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 18px 20px;
  flex: 1;
}

.page-news .cover-card__tag {
  align-self: flex-start;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12px;
  letter-spacing: 0.16em;
  font-weight: 500;
  color: var(--ink-950);
}

.page-news .cover-card__tag--preview { background: var(--col-preview); }
.page-news .cover-card__tag--review { background: var(--col-review); }
.page-news .cover-card__tag--data { background: var(--col-data); color: var(--text-hi); }
.page-news .cover-card__tag--release { background: var(--col-release); }
.page-news .cover-card__tag--city { background: var(--col-city); }

.page-news .cover-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.14rem;
  line-height: 1.36;
  letter-spacing: 0.02em;
  color: var(--text-hi);
}

.page-news .cover-card--lead .cover-card__title {
  font-size: clamp(1.25rem, 4.6vw, 1.55rem);
}

.page-news .cover-card__meta {
  margin: auto 0 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-mid);
  display: flex;
  gap: 8px;
  align-items: baseline;
}

/* ---------- 章节通用 ---------- */

.page-news .news-block {
  position: relative;
  margin-top: var(--news-seam);
  padding: clamp(34px, 6vw, 64px) 0;
  background: var(--ink-850);
  border-top: 1px solid var(--news-line);
}

.page-news .news-block .section-index {
  font-family: var(--font-mono);
  letter-spacing: 0.2em;
  color: var(--signal);
}

.page-news .news-block .section-title {
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: 0.03em;
  font-size: clamp(1.6rem, 5.6vw, 2.6rem);
  line-height: 1.15;
}

/* 01 */

.page-news .news-block__grid {
  display: grid;
  gap: 28px;
  margin-top: 30px;
}

.page-news .news-block__text p {
  max-width: 68ch;
  margin: 0 0 1.1em;
  color: var(--text-mid);
  line-height: 1.85;
}

.page-news .news-block__text p:first-child {
  color: var(--text-hi);
}

.page-news .news-block__side {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--news-line);
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .side-metric {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 12px;
  background: var(--ink-950);
}

.page-news .side-metric__num {
  font-size: clamp(1.3rem, 5vw, 1.7rem);
  color: var(--text-hi);
  line-height: 1;
}

.page-news .side-metric__label {
  color: var(--text-mid);
}

.page-news .side-note {
  grid-column: 1 / -1;
  margin: 0;
  padding: 16px;
  background: var(--ink-950);
  color: var(--text-mid);
  font-size: 0.9rem;
  line-height: 1.75;
}

.page-news .side-note a {
  color: var(--signal-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 02 栏目 */

.page-news .column-scale {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 4px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .column-scale__item {
  position: relative;
  padding-top: 12px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-mid);
}

.page-news .column-scale__item::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  border-radius: 2px;
}

.page-news .column-scale__item--preview::before { background: var(--col-preview); }
.page-news .column-scale__item--review::before { background: var(--col-review); }
.page-news .column-scale__item--data::before { background: var(--col-data); }
.page-news .column-scale__item--release::before { background: var(--col-release); }
.page-news .column-scale__item--city::before { background: var(--col-city); }

.page-news .column-grid {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-news .column-card {
  position: relative;
  padding: 20px 18px 22px;
  border: 1px solid var(--news-line);
  border-left-width: 3px;
  border-radius: var(--radius);
  background: var(--ink-950);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-news .column-card--preview { border-left-color: var(--col-preview); }
.page-news .column-card--review { border-left-color: var(--col-review); }
.page-news .column-card--data { border-left-color: var(--col-data); }
.page-news .column-card--release { border-left-color: var(--col-release); }
.page-news .column-card--city { border-left-color: var(--col-city); }

.page-news .column-card__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.2rem;
  letter-spacing: 0.06em;
  color: var(--text-hi);
}

.page-news .column-card__desc {
  margin: 0;
  color: var(--text-mid);
  font-size: 0.9rem;
  line-height: 1.8;
}

/* 03 档案列表 */

.page-news .archive-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 8px;
}

.page-news .archive-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

.page-news .archive-filters .chip {
  cursor: pointer;
  border: 1px solid var(--news-line);
  background: var(--ink-950);
  color: var(--text-mid);
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.12em;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-news .archive-radio:checked + .chip {
  color: var(--text-hi);
  border-color: var(--signal);
  background: rgba(255, 90, 43, 0.14);
}

.page-news .archive-radio:focus-visible + .chip {
  outline: 2px solid var(--signal-soft);
  outline-offset: 2px;
}

.page-news .archive-group[data-group="preview"] { --group-color: var(--col-preview); }
.page-news .archive-group[data-group="review"] { --group-color: var(--col-review); }
.page-news .archive-group[data-group="data"] { --group-color: var(--col-data); }
.page-news .archive-group[data-group="release"] { --group-color: var(--col-release); }
.page-news .archive-group[data-group="city"] { --group-color: var(--col-city); }

.page-news .archive-group__title {
  margin: 32px 0 0;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--group-color, var(--news-line));
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.05rem;
  letter-spacing: 0.16em;
  color: var(--text-hi);
}

.page-news .archive-item {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--news-line);
  transition: background 0.25s var(--ease);
}

.page-news .archive-item__mark {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
}

.page-news .archive-item__round {
  font-size: clamp(1rem, 3.6vw, 1.16rem);
  color: var(--text-hi);
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.page-news .archive-item__cat {
  padding: 3px 8px;
  border-radius: 3px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-950);
  background: var(--text-mid);
}

.page-news .archive-item__cat--preview { background: var(--col-preview); }
.page-news .archive-item__cat--review { background: var(--col-review); }
.page-news .archive-item__cat--data { background: var(--col-data); color: var(--text-hi); }
.page-news .archive-item__cat--release { background: var(--col-release); }
.page-news .archive-item__cat--city { background: var(--col-city); }

.page-news .archive-item__title {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--text-hi);
}

.page-news .archive-item__excerpt {
  margin: 0;
  color: var(--text-mid);
  font-size: 0.9rem;
  line-height: 1.8;
}

.page-news .archive-item__more {
  margin: 0;
  color: var(--plateau);
  font-size: 0.84rem;
  line-height: 1.7;
  max-height: 8em;
  opacity: 1;
}

.page-news .archive-feature {
  margin: 26px 0;
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-950);
}

.page-news .archive-feature img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-news .archive-feature__caption {
  padding: 12px 16px 14px;
  color: var(--text-mid);
  font-size: 0.82rem;
  line-height: 1.7;
  border-top: 1px solid var(--news-line);
}

.page-news .archive-more {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  margin-top: 26px;
  padding: 20px 18px;
  border: 1px dashed var(--news-line);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(47, 216, 176, 0.06), rgba(255, 194, 75, 0.06));
}

.page-news .archive-more__pulse {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(47, 216, 176, 0.16);
}

.page-news .archive-more__text {
  margin: 0;
  max-width: 62ch;
  color: var(--text-mid);
  line-height: 1.8;
  font-size: 0.92rem;
}

/* 04 状态权重 */

.page-news .formula-grid {
  display: grid;
  gap: 28px;
  margin-top: 30px;
}

.page-news .formula-text p {
  max-width: 68ch;
  margin: 0 0 1.1em;
  color: var(--text-mid);
  line-height: 1.85;
}

.page-news .formula-text p:first-child {
  color: var(--text-hi);
}

.page-news .formula-side {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-news .weight-block {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px 18px;
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  background: var(--ink-950);
}

.page-news .weight-row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
}

.page-news .weight-row__name {
  color: var(--text-mid);
}

.page-news .weight-row__bar {
  display: block;
  height: 8px;
  border-radius: 999px;
  background: rgba(38, 52, 64, 0.7);
  overflow: hidden;
}

.page-news .weight-row__fill {
  display: block;
  height: 100%;
  border-radius: 999px;
}

.page-news .weight-row__fill--recent {
  width: 60%;
  background: linear-gradient(90deg, var(--teal), var(--amber));
}

.page-news .weight-row__fill--season {
  width: 40%;
  background: linear-gradient(90deg, var(--plateau), var(--teal));
}

.page-news .weight-row__num {
  color: var(--text-hi);
  font-size: 1.1rem;
}

.page-news .formula-figure {
  margin: 0;
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-950);
}

.page-news .formula-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .formula-figure figcaption {
  padding: 12px 16px 14px;
  border-top: 1px solid var(--news-line);
  color: var(--text-mid);
  font-size: 0.82rem;
  line-height: 1.7;
}

.page-news .formula-foot {
  margin: 26px 0 0;
  color: var(--text-mid);
  line-height: 1.85;
  font-size: 0.92rem;
}

.page-news .formula-foot a {
  color: var(--signal-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 05 投稿与合作 */

.page-news .contribute-figure {
  margin: 26px 0 0;
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-950);
}

.page-news .contribute-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-news .contribute-figure figcaption {
  padding: 12px 16px 14px;
  border-top: 1px solid var(--news-line);
  color: var(--text-mid);
  font-size: 0.82rem;
  line-height: 1.7;
}

.page-news .contribute-grid {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.page-news .contribute-card {
  background: var(--ink-950);
  border-color: var(--news-line);
}

.page-news .contribute-card .file-card__title {
  font-size: 1.02rem;
  color: var(--text-hi);
}

.page-news .contribute-card .file-card__meta {
  color: var(--plateau);
}

.page-news .contribute-card .file-card__body p {
  margin: 0;
  color: var(--text-mid);
  font-size: 0.9rem;
  line-height: 1.8;
}

.page-news .contribute-foot {
  margin: 22px 0 0;
  color: var(--text-mid);
  font-size: 0.92rem;
  line-height: 1.85;
}

.page-news .contribute-foot a {
  color: var(--signal-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* CTA */

.page-news .cta-band {
  margin-top: var(--news-seam);
  border-top: 1px solid var(--news-line);
  background: linear-gradient(100deg, rgba(255, 90, 43, 0.14), rgba(79, 134, 198, 0.1) 60%, transparent);
}

.page-news .cta-band__inner {
  padding-top: clamp(34px, 6vw, 56px);
  padding-bottom: clamp(34px, 6vw, 56px);
}

.page-news .cta-band__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.5rem, 5.4vw, 2.3rem);
  letter-spacing: 0.03em;
  color: var(--text-hi);
}

.page-news .cta-band__text {
  max-width: 58ch;
  margin: 0 0 22px;
  color: var(--text-mid);
  line-height: 1.8;
}

/* ---------- 悬停与动效 ---------- */

@media (hover: hover) {
  .page-news .column-card:hover {
    transform: translateY(-2px);
    border-color: var(--signal);
  }

  .page-news .archive-item:hover {
    background: rgba(22, 32, 42, 0.5);
  }

  .page-news .contribute-card:hover {
    transform: translateY(-2px);
    border-color: var(--signal);
  }
}

@media (hover: hover) and (min-width: 900px) {
  .page-news .archive-item__more {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.3s var(--ease), opacity 0.3s var(--ease), margin 0.3s var(--ease);
    margin-top: 0;
  }

  .page-news .archive-item:hover .archive-item__more,
  .page-news .archive-item:focus-visible .archive-item__more,
  .page-news .archive-item:focus-within .archive-item__more {
    max-height: 8em;
    opacity: 1;
    margin-top: 8px;
  }
}

.page-news .archive-item:focus-visible {
  outline: 2px solid var(--signal-soft);
  outline-offset: -2px;
}

/* 纯 CSS 栏目筛选 */

.page-news:has(#cat-preview:checked) .archive-group:not([data-group="preview"]),
.page-news:has(#cat-review:checked) .archive-group:not([data-group="review"]),
.page-news:has(#cat-data:checked) .archive-group:not([data-group="data"]),
.page-news:has(#cat-release:checked) .archive-group:not([data-group="release"]),
.page-news:has(#cat-city:checked) .archive-group:not([data-group="city"]) {
  display: none;
}

.page-news:has(#cat-preview:checked) .archive-feature,
.page-news:has(#cat-review:checked) .archive-feature,
.page-news:has(#cat-data:checked) .archive-feature,
.page-news:has(#cat-release:checked) .archive-feature,
.page-news:has(#cat-city:checked) .archive-feature {
  display: none;
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-news .news-block__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 36px;
  }

  .page-news .column-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-news .contribute-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-news .archive-item {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 20px;
    padding: 22px 6px;
  }
}

@media (min-width: 900px) {
  .page-news .cover-track {
    padding-left: max(var(--gutter), calc((100vw - 1280px) / 2));
    padding-right: max(var(--gutter), calc((100vw - 1280px) / 2));
  }

  .page-news .cover-card {
    flex: 0 0 320px;
    min-height: 260px;
  }

  .page-news .cover-card--lead {
    flex: 0 0 620px;
  }

  .page-news .column-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-news .column-card {
    padding: 22px 18px 26px;
  }

  .page-news .formula-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .column-card,
  .page-news .archive-item,
  .page-news .archive-item__more,
  .page-news .contribute-card {
    transition: none;
  }

  .page-news .column-card:hover,
  .page-news .contribute-card:hover {
    transform: none;
  }
}