.page-news {
  --news-rail-w: 236px;
  --news-tag-data: #0E7C66;
  --news-tag-data-bg: #E3F1EC;
  --news-tag-version: #0F3D6E;
  --news-tag-version-bg: #E7EEF8;
  --news-tag-season: #B8440F;
  --news-tag-season-bg: #FCE9DE;
  --news-tag-coop: #FFFFFF;
  --news-tag-coop-bg: #0E7C66;
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumbs {
  margin-bottom: 18px;
}

.page-news .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--ink-mid);
}

.page-news .breadcrumbs__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-news .breadcrumbs__link {
  color: var(--ink-mid);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .24s var(--ease), border-color .24s var(--ease);
}

.page-news .breadcrumbs__link:hover {
  color: var(--grass);
  border-bottom-color: currentColor;
}

.page-news .breadcrumbs__sep {
  color: var(--line-ink);
}

.page-news .breadcrumbs__current {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 首屏框景 ---------- */
.page-news .news-hero {
  padding-top: clamp(16px, 3vw, 30px);
}

.page-news .news-hero__frame {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    linear-gradient(148deg, rgba(255, 255, 255, .92) 0%, rgba(246, 241, 231, .68) 58%, rgba(227, 241, 236, .55) 100%),
    var(--paper-deep);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.page-news .news-hero__frame::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 13px;
  background-image: repeating-linear-gradient(to right, var(--line-ink) 0 1px, transparent 1px 26px);
  opacity: .5;
  pointer-events: none;
}

.page-news .news-hero__frame::after {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -24%;
  width: 54%;
  height: 78%;
  background: linear-gradient(120deg, rgba(14, 124, 102, .10), rgba(46, 134, 222, .08));
  transform: rotate(-11deg);
  pointer-events: none;
}

.page-news .news-hero__body {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--gap-md);
  padding: clamp(24px, 4vw, 46px) clamp(20px, 4vw, 46px) clamp(24px, 4vw, 44px);
}

.page-news .news-hero__intro {
  display: grid;
  gap: 14px;
  align-content: center;
}

.page-news .news-hero__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(34px, 7vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-news .news-hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(16px, 2.2vw, 18px);
  line-height: 1.75;
  color: var(--ink-mid);
}

.page-news .news-hero__batch {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  justify-self: start;
  margin-top: 4px;
  padding: 10px 18px;
  border-radius: var(--r-pill);
  background: var(--navy);
  color: var(--paper);
}

.page-news .news-hero__batch-num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--paper);
}

.page-news .news-hero__batch-text {
  font-size: 13px;
  line-height: 1.5;
  color: rgba(246, 241, 231, .86);
}

.page-news .news-hero__figure {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 7 / 4;
}

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

/* ---------- 日志主体两栏 ---------- */
.page-news .news-board {
  margin-top: clamp(32px, 6vw, 72px);
}

.page-news .news-board__layout {
  display: grid;
  gap: var(--gap-lg);
}

.page-news .news-filters {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--glass-strong);
  box-shadow: var(--shadow-sm);
}

.page-news .news-filters__title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--ink);
}

.page-news .news-filters__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-mid);
}

.page-news .news-filters__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-filters__item {
  display: flex;
}

.page-news .news-filters__foot {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-mid);
}

.page-news .news-filters__link {
  color: var(--navy);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 134, 222, .45);
}

.page-news .news-filters__link:hover {
  color: var(--orange-deep);
  border-bottom-color: var(--orange);
}

/* ---------- 标签 ---------- */
.page-news .log-tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: var(--r-pill);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  line-height: 1.2;
  white-space: nowrap;
}

.page-news .log-tag--data {
  color: var(--news-tag-data);
  background: var(--news-tag-data-bg);
}

.page-news .log-tag--version {
  color: var(--news-tag-version);
  background: var(--news-tag-version-bg);
}

.page-news .log-tag--season {
  color: var(--news-tag-season);
  background: var(--news-tag-season-bg);
}

.page-news .log-tag--coop {
  color: var(--news-tag-coop);
  background: var(--news-tag-coop-bg);
}

/* ---------- 日志列表 ---------- */
.page-news .news-feed {
  min-width: 0;
}

.page-news .log-list {
  display: grid;
  gap: var(--gap-sm);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .log-item {
  width: 100%;
  max-width: 100%;
}

.page-news .log-card {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 18px 20px 18px 22px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--grass);
  border-radius: var(--r-sm);
  background: var(--glass-strong);
  transition: transform .28s var(--ease), border-color .28s var(--ease), box-shadow .28s var(--ease);
}

.page-news .log-card--version {
  border-left-color: var(--navy);
}

.page-news .log-card--season {
  border-left-color: var(--orange);
}

.page-news .log-card--coop {
  border-left-color: var(--grass-2);
}

.page-news .log-card:hover,
.page-news .log-card:focus-within {
  transform: translateY(-2px);
  border-top-color: var(--orange);
  border-right-color: var(--orange);
  border-bottom-color: var(--orange);
  box-shadow: var(--shadow-sm);
}

.page-news .log-item--wide .log-card {
  border-width: 1px 1px 1px 4px;
  background:
    linear-gradient(118deg, rgba(255, 255, 255, .96) 0%, rgba(255, 255, 255, .96) 68%, rgba(227, 241, 236, .7) 100%);
}

.page-news .log-item--wide .log-card::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background-image: repeating-linear-gradient(to bottom, rgba(15, 61, 110, .22) 0 1px, transparent 1px 14px);
}

.page-news .log-card__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-news .log-card__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--ink-mid);
}

.page-news .log-card__title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(17px, 2.6vw, 21px);
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink);
}

.page-news .log-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-mid);
}

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

.page-news .log-card__more summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  font-weight: 700;
  color: var(--grass);
  transition: color .24s var(--ease);
}

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

.page-news .log-card__more summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
}

.page-news .log-card__more[open] summary::after {
  content: "\2212";
}

.page-news .log-card__more summary:hover {
  color: var(--orange-deep);
}

.page-news .log-card__list {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding: 12px 0 0;
  list-style: none;
  border-top: 1px dashed var(--line);
}

.page-news .log-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-mid);
}

.page-news .log-card__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .72em;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--grass);
}

/* ---------- 版本轨迹 ---------- */
.page-news .news-versions {
  margin-top: clamp(40px, 7vw, 88px);
}

.page-news .news-versions__layout {
  display: grid;
  gap: var(--gap-md);
}

.page-news .news-versions__head {
  display: grid;
  gap: 10px;
}

.page-news .version-list {
  display: grid;
  gap: var(--gap-sm);
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: 0;
}

.page-news .version-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--paper);
  transition: border-color .28s var(--ease), transform .28s var(--ease);
}

.page-news .version-item:hover {
  border-color: var(--orange);
  transform: translateY(-2px);
}

.page-news .version-item__badge {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: var(--r-xs);
  background: var(--navy);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .06em;
}

.page-news .version-item__badge--blue {
  background: var(--blue);
}

.page-news .version-item__badge--orange {
  background: var(--orange-deep);
}

.page-news .version-item__body {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.page-news .version-item__title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink);
}

.page-news .version-item__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--grass);
}

.page-news .version-item__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-mid);
}

.page-news .news-versions__figure {
  margin: 0;
  display: grid;
  gap: 10px;
  min-width: 0;
}

.page-news .news-versions__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
}

.page-news .news-versions__caption {
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-mid);
}

/* ---------- 赛季观察 ---------- */
.page-news .news-season {
  margin-top: clamp(40px, 7vw, 88px);
}

.page-news .season-grid {
  display: grid;
  gap: var(--gap-md);
  margin-top: var(--gap-md);
  min-width: 0;
}

.page-news .season-grid__figure {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-news .season-grid__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .season-phases {
  display: grid;
  gap: var(--gap-sm);
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: 0;
}

.page-news .season-phase {
  position: relative;
  padding: 18px 18px 18px 24px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  background: linear-gradient(120deg, var(--blue-mist) 0%, rgba(255, 255, 255, .9) 100%);
}

.page-news .season-phase:nth-child(2) {
  background: linear-gradient(120deg, var(--grass-mist) 0%, rgba(255, 255, 255, .9) 100%);
}

.page-news .season-phase:nth-child(3) {
  background: linear-gradient(120deg, #FCE9DE 0%, rgba(255, 255, 255, .9) 100%);
}

.page-news .season-phase::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--blue);
}

.page-news .season-phase:nth-child(2)::before {
  background: var(--grass);
}

.page-news .season-phase:nth-child(3)::before {
  background: var(--orange);
}

.page-news .season-phase__step {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--ink-mid);
}

.page-news .season-phase__title {
  margin: 8px 0 6px;
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink);
}

.page-news .season-phase__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-mid);
}

/* ---------- 合作与生态 ---------- */
.page-news .news-eco {
  margin-top: clamp(40px, 7vw, 88px);
}

.page-news .news-eco__layout {
  display: grid;
  gap: var(--gap-md);
  min-width: 0;
}

.page-news .news-eco__text {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-news .news-eco__lead {
  margin: 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-mid);
}

.page-news .news-eco__list {
  display: grid;
  gap: 12px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-eco__entry {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border-radius: var(--r-sm);
  border-left: 3px solid var(--grass);
  background: rgba(255, 255, 255, .72);
}

.page-news .news-eco__entry-num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
}

.page-news .news-eco__entry-text {
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-mid);
}

.page-news .news-eco__foot {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-mid);
}

.page-news .news-eco__link {
  color: var(--navy);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 134, 222, .45);
}

.page-news .news-eco__link:hover {
  color: var(--orange-deep);
  border-bottom-color: var(--orange);
}

.page-news .news-eco__figure {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-news .news-eco__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 订阅与回看 ---------- */
.page-news .news-subscribe {
  margin-top: clamp(40px, 7vw, 88px);
}

.page-news .news-subscribe__panel {
  display: grid;
  gap: 18px;
  padding: clamp(24px, 4vw, 42px);
  border-radius: var(--r-lg);
  background:
    linear-gradient(132deg, var(--navy) 0%, #123A63 58%, #0E5C52 100%);
  color: var(--paper);
}

.page-news .news-subscribe__title {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-size: clamp(22px, 3.6vw, 32px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .news-subscribe__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(246, 241, 231, .86);
}

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

.page-news .news-subscribe__note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-paper);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(246, 241, 231, .72);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .log-item {
    width: 88%;
  }

  .page-news .log-item--wide {
    width: 100%;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__body {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: center;
    gap: clamp(24px, 4vw, 46px);
  }

  .page-news .news-versions__layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .85fr);
    gap: var(--gap-lg);
    align-items: start;
  }

  .page-news .news-versions__head {
    grid-column: 1 / -1;
  }

  .page-news .news-versions__figure {
    position: sticky;
    top: 104px;
  }

  .page-news .season-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: center;
    gap: var(--gap-lg);
  }

  .page-news .news-eco__layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
    align-items: start;
    gap: var(--gap-lg);
  }

  .page-news .news-subscribe__panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    column-gap: var(--gap-lg);
  }

  .page-news .news-subscribe__text {
    grid-column: 1;
    grid-row: 1;
  }

  .page-news .news-subscribe__actions {
    grid-column: 2;
    grid-row: 1;
    justify-content: flex-end;
  }

  .page-news .news-subscribe__note {
    grid-column: 1 / -1;
    grid-row: 2;
  }
}

@media (min-width: 960px) {
  .page-news .news-board__layout {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    align-items: start;
    gap: var(--gap-lg);
  }

  .page-news .news-filters {
    position: sticky;
    top: 100px;
  }

  .page-news .news-filters__list {
    flex-direction: column;
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .log-card,
  .page-news .version-item,
  .page-news .breadcrumbs__link,
  .page-news .log-card__more summary {
    transition: none;
  }

  .page-news .log-card:hover,
  .page-news .log-card:focus-within,
  .page-news .version-item:hover {
    transform: none;
  }
}