.page-news {
  background: var(--color-navy);
  color: var(--color-white);
  font-family: var(--font-body);
}

/* ===== 封面索引 ===== */
.page-news .cover-index {
  position: relative;
  padding: 56px 0 44px;
  background:
    radial-gradient(1100px 360px at 82% 0%, rgba(212, 175, 55, 0.22), transparent 62%),
    linear-gradient(180deg, var(--color-navy) 0%, #0e2343 100%);
  border-bottom: 1px solid rgba(212, 175, 55, 0.22);
}

.page-news .cover-index__title {
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin-top: 10px;
  max-width: 780px;
  color: var(--color-white);
}

.page-news .cover-index__lead {
  max-width: 680px;
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-mist);
}

.page-news .cover-index__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid rgba(224, 232, 237, 0.18);
  font-size: 13px;
  color: var(--color-mist);
}

.page-news .cover-index__meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-news .cover-index__meta span::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-gold);
}

/* ===== 日志主区 ===== */
.page-news .news-layout {
  padding: 32px 0 56px;
}

.page-news .news-layout__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

/* 筛选单选按钮：视觉隐藏但可聚焦 */
.page-news .filter-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  clip: rect(0, 0, 0, 0);
  overflow: hidden;
  white-space: nowrap;
}

/* ===== 侧边栏 ===== */
.page-news .news-sidebar {
  display: grid;
  gap: 14px;
}

.page-news .news-sidebar__block {
  background: var(--color-graphite);
  border: 1px solid rgba(224, 232, 237, 0.14);
  border-radius: 14px;
  padding: 20px;
}

.page-news .news-sidebar__block .eyebrow {
  color: var(--color-gold);
}

.page-news .news-sidebar__hint {
  font-size: 12px;
  color: var(--color-mist);
  opacity: 0.72;
  margin: 2px 0 14px;
}

.page-news .news-sidebar__filters {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-news .news-sidebar__filter {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 14px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  color: var(--color-cream);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.page-news .news-sidebar__filter:hover {
  border-color: rgba(212, 175, 55, 0.55);
  background: rgba(212, 175, 55, 0.08);
}

.page-news .news-sidebar__count {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(224, 232, 237, 0.12);
  color: var(--color-mist);
}

.page-news #filter-all:checked ~ .news-sidebar .news-sidebar__filter[for="filter-all"],
.page-news #filter-activity:checked ~ .news-sidebar .news-sidebar__filter[for="filter-activity"],
.page-news #filter-version:checked ~ .news-sidebar .news-sidebar__filter[for="filter-version"],
.page-news #filter-announce:checked ~ .news-sidebar .news-sidebar__filter[for="filter-announce"] {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-navy);
  font-weight: 600;
}

.page-news #filter-all:checked ~ .news-sidebar .news-sidebar__filter[for="filter-all"] .news-sidebar__count,
.page-news #filter-activity:checked ~ .news-sidebar .news-sidebar__filter[for="filter-activity"] .news-sidebar__count,
.page-news #filter-version:checked ~ .news-sidebar .news-sidebar__filter[for="filter-version"] .news-sidebar__count,
.page-news #filter-announce:checked ~ .news-sidebar .news-sidebar__filter[for="filter-announce"] .news-sidebar__count {
  background: rgba(10, 29, 58, 0.18);
  color: var(--color-navy);
}

.page-news #filter-all:focus-visible ~ .news-sidebar .news-sidebar__filter[for="filter-all"],
.page-news #filter-activity:focus-visible ~ .news-sidebar .news-sidebar__filter[for="filter-activity"],
.page-news #filter-version:focus-visible ~ .news-sidebar .news-sidebar__filter[for="filter-version"],
.page-news #filter-announce:focus-visible ~ .news-sidebar .news-sidebar__filter[for="filter-announce"] {
  outline: 2px solid var(--color-amber);
  outline-offset: 2px;
}

.page-news .news-sidebar__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.page-news .news-sidebar__stats li {
  padding: 10px 12px;
  background: rgba(224, 232, 237, 0.06);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-news .news-sidebar__stat-num {
  font-family: var(--font-head);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-gold);
}

.page-news .news-sidebar__stat-label {
  font-size: 12px;
  color: var(--color-slate);
}

.page-news .news-sidebar__links {
  display: grid;
  gap: 6px;
}

.page-news .news-sidebar__links a {
  display: block;
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--color-cream);
  font-size: 13px;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-news .news-sidebar__links a:hover {
  background: rgba(212, 175, 55, 0.1);
  color: var(--color-amber);
}

/* ===== 主内容 ===== */
.page-news .news-main {
  min-width: 0;
}

.page-news .news-main__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 14px;
}

.page-news .news-main__title {
  font-family: var(--font-head);
  font-size: 26px;
  color: var(--color-white);
}

.page-news .news-main__tip {
  font-size: 13px;
  color: var(--color-mist);
  opacity: 0.85;
}

/* ===== 条目列表 ===== */
.page-news .news-list {
  counter-reset: log-item;
  display: grid;
  gap: 12px;
}

.page-news .entry {
  background: var(--color-cream);
  border: 1px solid var(--color-mist);
  border-radius: 14px;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: box-shadow 0.25s ease, transform 0.25s ease, background 0.25s ease;
}

.page-news .entry__details:hover {
  box-shadow: inset 3px 0 0 var(--color-gold), var(--shadow-lift);
}

.page-news .entry__summary {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 18px 18px 54px;
  cursor: pointer;
  list-style: none;
  transition: background 0.2s ease;
}

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

.page-news .entry__details:hover .entry__summary {
  background: var(--color-white);
}

.page-news .entry__num {
  position: absolute;
  left: 20px;
  top: 20px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-gold);
}

.page-news .entry__num::before {
  counter-increment: log-item;
  content: counter(log-item, decimal-leading-zero);
}

.page-news .entry__info {
  flex: 1;
  min-width: 0;
}

.page-news .entry__topline {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.page-news .entry__badge {
  flex-shrink: 0;
}

.page-news .entry__date {
  font-size: 12px;
  color: var(--color-slate);
}

.page-news .entry__title {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--color-navy);
  margin: 0;
}

.page-news .entry__arrow {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.14);
  color: var(--color-gold);
  font-size: 16px;
  line-height: 1;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.page-news .entry__details[open] .entry__arrow {
  transform: rotate(45deg);
  background: var(--color-gold);
  color: var(--color-navy);
}

.page-news .entry__body {
  padding: 16px 18px 20px;
  border-top: 1px solid rgba(224, 232, 237, 0.6);
}

.page-news .entry__body--media {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-news .entry__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 10px;
}

.page-news .entry__copy {
  font-size: 14px;
  line-height: 1.72;
  color: var(--color-graphite);
}

.page-news .entry__copy a {
  color: var(--color-navy);
  text-decoration-color: var(--color-gold);
  text-underline-offset: 3px;
  font-weight: 500;
}

.page-news .entry__copy a:hover {
  color: var(--color-terra);
}

/* ===== 筛选过滤 ===== */
.page-news #filter-activity:checked ~ .news-main .entry:not(.entry--activity),
.page-news #filter-version:checked ~ .news-main .entry:not(.entry--version),
.page-news #filter-announce:checked ~ .news-main .entry:not(.entry--announce) {
  display: none;
}

/* ===== 版本档案横幅 ===== */
.page-news .version-banner {
  position: relative;
  display: block;
  margin-top: 24px;
  border-radius: 18px;
  overflow: hidden;
  text-decoration: none;
  border: 1px solid rgba(212, 175, 55, 0.28);
  box-shadow: var(--shadow-lift);
}

.page-news .version-banner__bg {
  display: block;
  width: 100%;
  height: auto;
  min-height: 220px;
  object-fit: cover;
  transform: scale(1.01);
  transition: transform 0.4s ease;
}

.page-news .version-banner:hover .version-banner__bg {
  transform: scale(1.04);
}

.page-news .version-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 29, 58, 0.94) 0%, rgba(10, 29, 58, 0.7) 48%, rgba(10, 29, 58, 0.35) 100%);
}

.page-news .version-banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: -30%;
  width: 28%;
  height: 100%;
  z-index: 2;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transform: skewX(-18deg);
  pointer-events: none;
  transition: left 0.55s ease;
}

.page-news .version-banner:hover::before {
  left: 115%;
}

.page-news .version-banner__inner {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 8px;
  padding: 28px 30px;
}

.page-news .version-banner__title {
  font-family: var(--font-head);
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.2;
}

.page-news .version-banner__desc {
  max-width: 480px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-mist);
}

.page-news .version-banner__cta {
  margin-top: 8px;
}

/* ===== 小屏优化 ===== */
@media (max-width: 480px) {
  .page-news .entry__summary {
    padding: 16px 14px 16px 50px;
    gap: 10px;
  }

  .page-news .entry__num {
    left: 16px;
  }

  .page-news .entry__arrow {
    width: 24px;
    height: 24px;
  }

  .page-news .entry__body,
  .page-news .entry__body--media {
    padding: 14px 14px 18px;
  }

  .page-news .version-banner__inner {
    padding: 20px;
  }
}

/* ===== 桌面端布局 ===== */
@media (min-width: 900px) {
  .page-news .cover-index {
    padding: 76px 0 56px;
  }

  .page-news .news-layout {
    padding: 48px 0 80px;
  }

  .page-news .news-layout__grid {
    grid-template-columns: 270px minmax(0, 1fr);
    gap: 32px;
  }

  .page-news .news-sidebar {
    position: sticky;
    top: 88px;
  }

  .page-news .news-main__head {
    margin-bottom: 18px;
  }

  .page-news .entry__summary {
    padding: 20px 22px 20px 64px;
  }

  .page-news .entry__num {
    left: 22px;
    top: 22px;
  }

  .page-news .entry__body,
  .page-news .entry__body--media {
    padding: 18px 22px 22px;
  }

  .page-news .entry__body--media {
    grid-template-columns: 200px minmax(0, 1fr);
  }

  .page-news .version-banner__inner {
    padding: 36px 44px;
  }
}