/* ===== 文章与动态页：页面专属样式 ===== */
.page-news {
  position: relative;
  overflow-x: hidden;
  background: var(--color-bg);
  color: var(--color-text);
}

.page-news figure {
  margin: 0;
}

.page-news a {
  color: inherit;
}

/* ---------- Hero 首屏 ---------- */
.page-news__hero {
  padding-top: var(--space-3);
  border-bottom: 1px solid var(--color-line);
}

.page-news__breadcrumb {
  margin-bottom: var(--space-4);
}

.page-news__hero-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
}

.page-news__hero-rotate {
  display: block;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.35em;
  color: var(--color-accent);
  white-space: nowrap;
  width: 1.4em;
  margin-bottom: var(--space-2);
  opacity: 0.9;
}

.page-news__hero h1 {
  display: inline-block;
  margin: 0 0 var(--space-2);
  border-left: 6px solid var(--color-accent);
  padding-left: var(--space-3);
}

.page-news__lede {
  max-width: 34rem;
  color: var(--color-text-dim);
  margin: 0;
}

.page-news__hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  border-top: 1px solid var(--color-line);
  padding-top: var(--space-3);
}

.page-news__hero-stat {
  background: var(--color-bg-panel);
  border: 1px solid var(--color-line);
  padding: var(--space-2) var(--space-1);
  text-align: center;
}

.page-news__hero-stat-num {
  font-family: var(--font-data);
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--color-accent);
  display: block;
}

.page-news__hero-stat-label {
  font-size: 0.72rem;
  color: var(--color-text-dim);
  display: block;
  margin-top: 4px;
}

.page-news__hero-strip {
  border-top: 1px solid var(--color-line);
  overflow: hidden;
  background: var(--color-bg-deep);
}

.page-news__hero-strip-img {
  display: block;
  width: 100%;
  max-height: 300px;
  object-fit: cover;
}

/* ---------- 通用区块头 ---------- */
.page-news__section {
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--color-line);
}

.page-news__section--announcements {
  background: linear-gradient(180deg, rgba(200, 255, 0, 0.04), transparent 220px), var(--color-bg);
}

.page-news__section--versions {
  background: var(--color-bg-deep);
}

.page-news__section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.page-news__section-num {
  font-family: var(--font-data);
  color: var(--color-accent-alt);
  font-size: 0.75rem;
  border: 1px solid var(--color-accent-alt);
  padding: 6px 4px;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  letter-spacing: 0.2em;
  white-space: nowrap;
  align-self: stretch;
}

.page-news__section-head > div {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-news__section-head h2 {
  margin: 0;
}

.page-news__more-link,
.page-news__section-tip {
  margin-left: auto;
  align-self: flex-end;
}

.page-news__more-link {
  color: var(--color-text-dim);
  text-decoration: none;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 2px;
  flex-shrink: 0;
  transition: color 0.2s, border-color 0.2s;
}

.page-news__more-link:hover {
  color: var(--color-accent);
}

.page-news__section-tip {
  font-size: 0.78rem;
  color: var(--color-text-dim);
  max-width: 12rem;
  text-align: right;
  margin-left: auto;
  flex-shrink: 0;
  align-self: flex-end;
}

/* ---------- 公告筛选器 ---------- */
.page-news__announcements {
  position: relative;
}

.page-news__filter-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 1px;
  height: 1px;
  clip: rect(0 0 0 0);
}

.page-news__filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-bottom: var(--space-3);
}

.page-news__filter-label {
  cursor: pointer;
  display: inline-block;
  padding: 0.4rem 1rem;
  border: 1px solid var(--color-line);
  background: var(--color-bg-panel);
  color: var(--color-text-dim);
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  user-select: none;
}

.page-news__filter-input--all:checked ~ .page-news__filter-bar label[for="news-tab-all"],
.page-news__filter-input--update:checked ~ .page-news__filter-bar label[for="news-tab-update"],
.page-news__filter-input--product:checked ~ .page-news__filter-bar label[for="news-tab-product"] {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-bg);
  font-weight: 700;
}

.page-news__filter-input--update:checked ~ .page-news__announcement-grid .page-news__announcement-card--product,
.page-news__filter-input--product:checked ~ .page-news__announcement-grid .page-news__announcement-card--update {
  display: none;
}

/* ---------- 公告卡片 ---------- */
.page-news__announcement-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.page-news__announcement-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  background: var(--color-bg-panel);
  border: 1px solid var(--color-line);
  padding: var(--space-3);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-news__announcement-card::before {
  content: '';
  position: absolute;
  left: -1px;
  top: -1px;
  bottom: -1px;
  width: 4px;
  background: var(--color-accent);
  opacity: 0;
  transition: opacity 0.2s;
}

.page-news__announcement-card::after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  width: 0;
  height: 0;
  border-top: 24px solid var(--color-accent);
  border-left: 24px solid transparent;
  opacity: 0;
  transition: opacity 0.2s;
}

.page-news__announcement-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.page-news__announcement-card:hover::before,
.page-news__announcement-card:hover::after {
  opacity: 1;
}

.page-news__announcement-card--featured {
  box-shadow: 8px 8px 0 -4px var(--color-bg-deep), 10px 10px 0 -4px var(--color-line);
}

.page-news__card-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  flex: 1;
}

.page-news__card-order {
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--color-text-dim);
}

.page-news__card-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.page-news__card-time {
  font-size: 0.78rem;
}

.page-news__card-title {
  font-family: var(--font-headline);
  font-size: 1.35rem;
  line-height: 1.25;
  margin: var(--space-1) 0 0;
}

.page-news__card-desc {
  color: var(--color-text-dim);
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 0;
}

.page-news__card-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  border-top: 1px dashed var(--color-line);
  padding-top: var(--space-2);
  margin-top: auto;
  font-size: 0.78rem;
  color: var(--color-text-dim);
}

.page-news__card-stats .mono {
  color: var(--color-accent);
  font-size: 1.15rem;
  margin-right: 2px;
}

.page-news__card-link {
  align-self: flex-start;
  color: var(--color-accent-alt);
  text-decoration: none;
  font-weight: 700;
  border-bottom: 1px solid var(--color-accent-alt);
  padding-bottom: 2px;
  font-size: 0.9rem;
  margin-top: var(--space-1);
  transition: color 0.2s, border-color 0.2s;
}

.page-news__card-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.page-news__card-figure {
  margin-top: var(--space-1);
  border: 1px solid var(--color-line);
  overflow: hidden;
}

.page-news__card-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 版本时间轴 ---------- */
.page-news__versions-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.page-news__timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  border-left: 2px solid var(--color-line);
  margin-left: 7px;
}

.page-news__timeline-item {
  position: relative;
  padding: 0 0 var(--space-3) var(--space-3);
  border-bottom: 1px solid var(--color-line);
}

.page-news__timeline-item:last-child {
  border-bottom: none;
}

.page-news__timeline-item::before {
  content: '';
  position: absolute;
  left: -7px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 3px solid var(--color-accent);
}

.page-news__timeline-marker {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 0.7rem;
  color: var(--color-accent-alt);
  letter-spacing: 0.15em;
  margin-bottom: var(--space-1);
}

.page-news__timeline-details {
  display: block;
  width: 100%;
}

.page-news__timeline-summary {
  cursor: pointer;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-1) 0;
  list-style: none;
}

.page-news__timeline-summary::-webkit-details-marker,
.page-news__timeline-summary::marker {
  display: none;
  content: '';
}

.page-news__timeline-title {
  font-family: var(--font-headline);
  font-size: 1.05rem;
  line-height: 1.35;
  margin: 0;
}

.page-news__timeline-arrow {
  font-family: var(--font-data);
  color: var(--color-accent-alt);
  font-size: 1.3rem;
  line-height: 1;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.page-news__timeline-details[open] .page-news__timeline-arrow {
  transform: rotate(45deg);
}

.page-news__timeline-content {
  color: var(--color-text-dim);
  font-size: 0.92rem;
  line-height: 1.7;
  margin: var(--space-1) 0 var(--space-2);
}

.page-news__timeline-content p {
  margin: 0;
}

.page-news__versions-cover {
  border: 1px solid var(--color-line);
  background: var(--color-bg-panel);
  overflow: hidden;
  align-self: start;
}

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

/* ---------- 华人视角专栏 ---------- */
.page-news__column-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.page-news__featured {
  background: var(--color-bg-panel);
  border: 1px solid var(--color-line);
  box-shadow: 8px 8px 0 -2px var(--color-bg-deep), 10px 10px 0 0 var(--color-line);
  position: relative;
}

.page-news__featured-figure {
  border-bottom: 1px solid var(--color-line);
  overflow: hidden;
}

.page-news__featured-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news__featured-body {
  padding: var(--space-3);
}

.page-news__featured-order {
  display: block;
  font-size: 0.78rem;
  color: var(--color-accent);
  letter-spacing: 0.2em;
  margin-bottom: var(--space-1);
}

.page-news__featured-title {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  line-height: 1.25;
  margin: var(--space-1) 0;
}

.page-news__featured-desc {
  color: var(--color-text-dim);
  line-height: 1.8;
  font-size: 0.95rem;
  margin: 0 0 var(--space-2);
}

.page-news__featured-meta {
  margin: 0;
  font-size: 0.82rem;
}

.page-news__column-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.page-news__column-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--color-bg-panel);
  border: 1px solid var(--color-line);
  border-left: 4px solid var(--color-accent-alt);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-news__column-item:hover {
  border-left-color: var(--color-accent);
  transform: translateX(4px);
}

.page-news__column-num {
  font-family: var(--font-data);
  font-size: 0.78rem;
  color: var(--color-text-dim);
  flex-shrink: 0;
}

.page-news__column-title {
  font-size: 1.05rem;
  line-height: 1.4;
  margin: var(--space-1) 0 var(--space-1);
  font-weight: 700;
}

.page-news__column-desc {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-dim);
  line-height: 1.6;
}

.page-news__column-link {
  margin-left: auto;
  color: var(--color-accent);
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* ---------- 结尾 CTA ---------- */
.page-news__closing {
  padding-block: var(--space-5);
  background: linear-gradient(120deg, rgba(0, 229, 255, 0.05), transparent 50%), var(--color-bg);
}

.page-news__closing-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-2);
  background: var(--color-bg-panel);
  border: 1px solid var(--color-line);
  padding: var(--space-4) var(--space-3);
  position: relative;
}

.page-news__closing-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-top: 3px solid var(--color-accent);
  pointer-events: none;
}

.page-news__closing-card h2 {
  margin: 0;
}

.page-news__closing-card p {
  margin: 0;
  color: var(--color-text-dim);
  max-width: 34rem;
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 768px) {
  .page-news__hero-row {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-4);
  }

  .page-news__hero-stats {
    min-width: 380px;
  }

  .page-news__announcement-grid {
    grid-template-columns: repeat(12, 1fr);
  }

  .page-news__announcement-card {
    grid-column: span 6;
  }

  .page-news__announcement-card--featured {
    grid-column: span 7;
  }

  .page-news__announcement-card--featured + .page-news__announcement-card {
    grid-column: span 5;
  }

  .page-news__announcement-card:nth-child(3) {
    grid-column: span 5;
  }

  .page-news__announcement-card:nth-child(4) {
    grid-column: span 7;
  }

  .page-news__card-figure {
    margin-top: var(--space-2);
  }

  .page-news__versions-layout {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }

  .page-news__column-layout {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-news__announcement-card--featured {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: var(--space-3);
  }

  .page-news__card-figure {
    margin: 0;
    height: 100%;
  }

  .page-news__card-figure img {
    height: 100%;
    min-height: 240px;
  }
}