/* ===== 最新动态 · 页面专属样式 ===== */
.page-news {
  --news-gold: var(--color-accent);
  --news-red: var(--color-secondary);
  --news-ink: var(--color-bg-dark);
  --news-line: var(--color-border);
  --stream-pad: 2.75rem;
  color: var(--color-text);
}

.page-news .breadcrumbs {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------- 顶部横幅 ---------- */
.page-news .news-banner {
  position: relative;
  max-width: var(--container-max);
  margin: 1.5rem auto 0;
  padding: 0 var(--gutter);
}

.page-news .news-banner__media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-bottom: 3px solid var(--color-accent);
}

.page-news .news-banner__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(88deg, rgba(15,15,26,.96) 0%, rgba(15,15,26,.82) 42%, rgba(15,15,26,.28) 100%);
  pointer-events: none;
}

.page-news .news-banner__media img {
  display: block;
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.page-news .news-banner__post {
  position: relative;
  z-index: 2;
  margin: -4.75rem 1rem 0;
  padding: 1.5rem 1.35rem;
  background: rgba(15,15,26,.94);
  border-left: 3px solid var(--color-accent);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-news .news-banner__post h1 {
  margin: 0.75rem 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5.4vw, 3.25rem);
  line-height: 1.12;
  color: var(--color-text);
  letter-spacing: .01em;
}

.page-news .news-banner__post p {
  margin: 0.5rem 0 1.25rem;
  max-width: 56ch;
  color: var(--color-muted);
  font-size: 1rem;
  line-height: 1.75;
}

.page-news .news-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---------- 数据指标条 ---------- */
.page-news .news-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  max-width: var(--container-max);
  margin: 2.5rem auto 0;
  padding: 0 var(--gutter);
}

.page-news .metric-card {
  position: relative;
  padding: 1.25rem 1rem 1.1rem;
  overflow: hidden;
  background: rgba(255,255,255,.025);
  border: 1px solid var(--color-border);
}

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

.page-news .metric-card--accent::before {
  background: var(--color-secondary);
}

.page-news .metric-card__value {
  display: block;
  font-family: var(--font-display);
  font-size: 2.25rem;
  line-height: 1;
  color: var(--color-highlight);
}

.page-news .metric-card__label {
  display: block;
  margin-top: 0.375rem;
  color: var(--color-muted);
  font-size: 0.8125rem;
  letter-spacing: .06em;
}

/* ---------- 动态分类 + 时间线布局 ---------- */
.page-news .news-layout {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: var(--container-max);
  margin: 3rem auto 0;
  padding: 0 var(--gutter);
}

.page-news .news-filter__radio {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.page-news .news-sidebar {
  align-self: start;
}

.page-news .news-sidebar__title {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-text);
}

.page-news .news-sidebar > .caption {
  display: block;
  margin-bottom: 1rem;
  color: var(--color-muted);
}

.page-news .news-sidebar__list {
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
  border: 1px solid var(--color-border);
}

.page-news .news-sidebar__list li {
  margin: 0;
}

.page-news .news-sidebar__list li + li {
  border-top: 1px solid var(--color-border);
}

.page-news .filter-label {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.875rem 1rem;
  border-left: 3px solid var(--color-border);
  background: rgba(255,255,255,.02);
  color: var(--color-text);
  font-size: 0.9375rem;
  cursor: pointer;
  transition: background .2s, border-left-color .2s, color .2s;
}

.page-news .filter-label::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  background: var(--color-border);
  transform: rotate(45deg);
  transition: background .2s;
}

.page-news .filter-label:hover {
  border-left-color: var(--color-accent);
  background: rgba(212,175,55,.08);
}

.page-news #filter-all:checked ~ .news-sidebar .filter-label[for="filter-all"],
.page-news #filter-schedule:checked ~ .news-sidebar .filter-label[for="filter-schedule"],
.page-news #filter-release:checked ~ .news-sidebar .filter-label[for="filter-release"],
.page-news #filter-notice:checked ~ .news-sidebar .filter-label[for="filter-notice"] {
  border-left-color: var(--color-accent);
  background: rgba(212,175,55,.12);
  color: var(--color-highlight);
}

.page-news #filter-all:checked ~ .news-sidebar .filter-label[for="filter-all"]::before,
.page-news #filter-schedule:checked ~ .news-sidebar .filter-label[for="filter-schedule"]::before,
.page-news #filter-release:checked ~ .news-sidebar .filter-label[for="filter-release"]::before,
.page-news #filter-notice:checked ~ .news-sidebar .filter-label[for="filter-notice"]::before {
  background: var(--color-accent);
}

.page-news .news-filter__radio:focus-visible ~ .news-sidebar .filter-label {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.page-news .news-sidebar__info {
  padding: 1rem;
}

.page-news .news-sidebar__info a {
  display: block;
  margin-top: 0.5rem;
  color: var(--color-accent);
  text-decoration: none;
  transition: color .2s;
}

.page-news .news-sidebar__info a:hover {
  color: var(--color-highlight);
}

/* ---------- 时间线流 ---------- */
.page-news .news-stream {
  position: relative;
  min-width: 0;
  padding-left: var(--stream-pad);
}

.page-news .news-stream::before {
  content: "";
  position: absolute;
  left: 0.625rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-secondary) 55%, transparent 100%);
}

.page-news .news-stream__section-title {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin: 2.5rem 0 1.5rem;
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-text);
}

.page-news .news-stream__section-no {
  display: inline-grid;
  place-items: center;
  padding: 0.25rem 0.625rem;
  border: 1px solid var(--color-border);
  color: var(--color-accent);
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.page-news .news-stream__section-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--color-border), transparent);
}

/* 分类筛选隐藏逻辑 */
.page-news #filter-schedule:checked ~ .news-stream .news-stream__section-title:not([data-cat="schedule"]),
.page-news #filter-schedule:checked ~ .news-stream .news-card:not([data-category="schedule"]),
.page-news #filter-release:checked ~ .news-stream .news-stream__section-title:not([data-cat="release"]),
.page-news #filter-release:checked ~ .news-stream .news-card:not([data-category="release"]),
.page-news #filter-notice:checked ~ .news-stream .news-stream__section-title:not([data-cat="notice"]),
.page-news #filter-notice:checked ~ .news-stream .news-card:not([data-category="notice"]) {
  display: none;
}

/* ---------- 时间线卡片 ---------- */
.page-news .news-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  margin-bottom: 1.75rem;
  background: rgba(255,255,255,.025);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-border);
  transition: border-color .3s, background .3s, transform .3s;
}

.page-news .news-card:hover {
  border-top-color: var(--color-accent);
  background: rgba(255,255,255,.04);
  transform: translateY(-2px);
}

.page-news .news-card::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 18px;
  height: 18px;
  background: linear-gradient(225deg, transparent 50%, rgba(212,175,55,.35) 50%);
}

.page-news .news-card--schedule {
  border-top-color: var(--color-accent);
}

.page-news .news-card--release {
  border-top-color: var(--color-secondary);
}

.page-news .news-card--release:hover {
  border-top-color: var(--color-secondary);
  background: rgba(139,0,0,.06);
}

.page-news .news-card--notice:hover {
  border-top-color: var(--color-accent);
}

.page-news .news-card__rail {
  position: absolute;
  left: calc(-1 * var(--stream-pad) + 0.625rem);
  top: 1.5rem;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: var(--color-bg-dark);
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 600;
}

.page-news .news-card--release .news-card__rail {
  color: var(--color-red, #c98a8a);
}

.page-news .news-card--notice .news-card__rail {
  color: var(--color-muted);
}

.page-news .news-card__inner {
  padding: 1.25rem 1.25rem 1rem;
}

.page-news .news-card__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin-bottom: 0.5rem;
}

.page-news .news-card__badge {
  padding: 0.125rem 0.5rem;
  border: 1px solid var(--color-border);
  color: var(--color-accent);
  font-size: 0.75rem;
}

.page-news .news-card__inner h3 {
  margin: 0 0 0.625rem;
  font-family: var(--font-display);
  font-size: 1.4rem;
  line-height: 1.25;
  color: var(--color-text);
}

.page-news .news-card__inner p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.page-news .news-card__link {
  display: inline-block;
  margin-top: 0.75rem;
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: none;
  transition: color .2s;
}

.page-news .news-card__link:hover {
  color: var(--color-highlight);
  text-decoration: underline;
}

.page-news .news-card__detail {
  margin-top: 0.875rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--color-border);
}

.page-news .news-card__detail summary {
  cursor: pointer;
  color: var(--color-accent);
  font-size: 0.875rem;
  font-weight: 600;
  list-style: none;
  transition: color .2s;
}

.page-news .news-card__detail summary:hover {
  color: var(--color-highlight);
}

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

.page-news .news-card__detail summary::before {
  content: "+ ";
  color: var(--color-highlight);
}

.page-news .news-card__detail[open] summary::before {
  content: "– ";
}

.page-news .news-card__detail-body {
  padding-top: 0.75rem;
}

.page-news .news-card__detail-body p {
  color: var(--color-text);
  font-size: 0.875rem;
}

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

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

.page-news .news-card--schedule .news-card__thumb img {
  aspect-ratio: 4/3;
}

.page-news .news-card--release .news-card__thumb img {
  aspect-ratio: 21/10;
}

/* ---------- 公告与专题 ---------- */
.page-news .news-feature {
  width: 100%;
  margin-top: 4rem;
  padding: 4rem var(--gutter);
  background: var(--color-bg-dark);
}

.page-news .news-feature__inner {
  max-width: var(--container-max);
  margin: 0 auto;
}

.page-news .news-feature__head {
  margin-bottom: 2rem;
}

.page-news .news-feature__head h2 {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--color-text);
}

.page-news .news-feature__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.page-news .feature-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
}

.page-news .feature-card__badge {
  position: absolute;
  top: -1px;
  right: -1px;
  padding: 0.35rem 0.75rem;
  background: var(--color-secondary);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 0.875rem;
}

.page-news .feature-card__media {
  margin: 0;
  overflow: hidden;
}

.page-news .feature-card__media img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 1/1;
  max-height: 240px;
  object-fit: cover;
}

.page-news .feature-card__body {
  padding: 1.5rem 1.25rem;
}

.page-news .feature-card__body h3 {
  margin: 0.75rem 0 0.625rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.3;
  color: var(--color-text);
}

.page-news .feature-card__body p {
  margin: 0 0 1rem;
  color: var(--color-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ---------- 响应式：平板 ---------- */
@media (min-width: 768px) {
  .page-news .news-banner__media img {
    height: 420px;
  }

  .page-news .news-banner__post {
    position: absolute;
    top: 50%;
    left: var(--gutter);
    max-width: 700px;
    margin: 0;
    padding: 2rem 2.25rem;
    transform: translateY(-50%);
  }

  .page-news .news-metrics {
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
  }

  .page-news .news-feature__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .feature-card--maintenance {
    grid-column: 1 / -1;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-news .feature-card--maintenance .feature-card__media {
    grid-column: 1;
    grid-row: 1;
  }

  .page-news .feature-card--maintenance .feature-card__media img {
    max-height: none;
    height: 100%;
  }

  .page-news .feature-card--maintenance .feature-card__body {
    grid-column: 2;
    grid-row: 1;
    align-self: center;
  }
}

/* ---------- 响应式：桌面 ---------- */
@media (min-width: 1024px) {
  .page-news .news-layout {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }

  .page-news .news-sidebar {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
  }

  .page-news .news-stream__section-title {
    margin-top: 3rem;
  }

  .page-news .news-stream__section-title:first-child {
    margin-top: 0;
  }

  .page-news .news-card--schedule,
  .page-news .news-card--release {
    grid-template-columns: minmax(0, 1fr) clamp(180px, 34%, 280px);
  }

  .page-news .news-card--schedule .news-card__inner,
  .page-news .news-card--release .news-card__inner {
    grid-column: 1;
    grid-row: 1;
  }

  .page-news .news-card--schedule .news-card__thumb,
  .page-news .news-card--release .news-card__thumb {
    grid-column: 2;
    grid-row: 1;
  }

  .page-news .news-card__thumb img,
  .page-news .news-card--schedule .news-card__thumb img,
  .page-news .news-card--release .news-card__thumb img {
    height: 100%;
    aspect-ratio: auto;
  }
}

.page-news {
  --color-red: var(--color-muted);
}