/* ===== 页面专属样式：新闻动态 ===== */
.page-news {
  --news-glow: rgba(255, 107, 44, 0.22);
  --news-glow-cyan: rgba(0, 229, 255, 0.12);
  --news-sheen: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.02) 100%);
  --news-topline: linear-gradient(90deg, var(--c-cta), var(--c-warn));
}

/* ---- 顶部横幅 ---- */
.page-news .news-hero {
  position: relative;
  padding-top: 56px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--c-line);
  background: linear-gradient(180deg, rgba(255, 107, 44, 0.07) 0%, rgba(255, 255, 255, 0) 220px);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 38%;
  height: 5px;
  background: var(--news-topline);
  z-index: 1;
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-top: 28px;
}

.page-news .news-hero h1 {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(2.5rem, 7vw, 4.6rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 14px 0 20px;
  text-shadow: 0 4px 30px rgba(255, 107, 44, 0.12);
}

.page-news .news-hero__lead {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-muted);
  max-width: 36em;
  margin: 0;
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.page-news .hero-stat {
  background: var(--c-bg-alt);
  padding: 18px 12px;
  display: grid;
  gap: 8px;
  align-content: center;
}

.page-news .hero-stat__num {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--c-warn);
  line-height: 1;
}

.page-news .hero-stat__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--c-muted);
  letter-spacing: 0.06em;
  line-height: 1.4;
}

/* ---- 章节通用头 ---- */
.page-news .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 30px;
}

.page-news .section-head .eyebrow {
  margin: 0;
}

/* ---- 01 最新发布 ---- */
.page-news .news-latest {
  position: relative;
  background: linear-gradient(180deg, transparent 0%, rgba(18, 42, 64, 0.4) 100%);
}

.page-news .news-hero-fig {
  margin-bottom: 32px;
}

.page-news .news-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-news .news-item {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 16px;
  padding: 24px 20px;
  background: var(--news-sheen);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-line);
  transition: border-color var(--dur) ease, transform var(--dur) ease, box-shadow var(--dur) ease, background var(--dur) ease;
}

.page-news .news-item:hover {
  border-left-color: var(--c-cta);
  border-color: var(--c-cta);
  transform: translateY(-3px);
  box-shadow: 0 14px 38px var(--news-glow);
  background: linear-gradient(135deg, rgba(255, 107, 44, 0.1), rgba(255, 107, 44, 0.02));
}

.page-news .news-item__index {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1;
  color: var(--c-cta);
  opacity: 0.95;
}

.page-news .news-item__body {
  min-width: 0;
}

.page-news .news-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.page-news .news-item h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--c-text);
  margin: 0 0 8px;
}

.page-news .news-item__time {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-data);
  margin-bottom: 12px;
}

.page-news .news-item__excerpt {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--c-muted);
  margin: 0;
}

/* ---- 02 分类标签 ---- */
.page-news .news-tags {
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  background: var(--c-bg-alt);
}

.page-news .news-tags__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-news .tag-index {
  display: grid;
}

.page-news .tag-index__row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 12px 6px;
  border-bottom: 1px solid var(--c-line);
  color: var(--c-muted);
  text-decoration: none;
  transition: background var(--dur) ease;
}

.page-news .tag-index__row:hover {
  background: rgba(255, 107, 44, 0.08);
}

.page-news .tag-index__desc {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--c-muted);
}

.page-news .tag-index__ref {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-cta);
  white-space: nowrap;
}

/* ---- 03 更新日志 ---- */
.page-news .changelog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-news .changelog-list {
  position: relative;
  padding-left: 28px;
}

.page-news .changelog-list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: var(--c-line);
}

.page-news .changelog-item {
  position: relative;
  padding: 14px 0 26px;
}

.page-news .changelog-item::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 22px;
  width: 10px;
  height: 10px;
  background: var(--c-bg);
  border: 2px solid var(--c-cta);
  transform: rotate(45deg);
}

.page-news .changelog-item:last-child {
  padding-bottom: 4px;
}

.page-news .changelog-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}

.page-news .changelog-version {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--c-warn);
}

.page-news .changelog-period {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--c-muted);
  text-transform: uppercase;
}

.page-news .changelog-desc {
  margin: 10px 0 0;
  color: var(--c-muted);
  line-height: 1.7;
  font-size: 0.94rem;
}

/* ---- 04 数据更新专题 ---- */
.page-news .news-data {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--c-line);
  background: linear-gradient(180deg, transparent 0%, rgba(18, 42, 64, 0.5) 40%, rgba(18, 42, 64, 0.9) 100%);
}

.page-news .news-data::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--c-data), transparent 60%);
}

.page-news .news-data__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.page-news .news-data__content h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--c-text);
  margin: 0 0 16px;
}

.page-news .news-data__content p {
  color: var(--c-muted);
  line-height: 1.75;
  margin: 12px 0;
  font-size: 0.97rem;
}

.page-news .data-genes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  list-style: none;
  padding: 0;
  margin: 24px 0;
}

.page-news .data-genes__cell {
  background: var(--news-sheen);
  border: 1px solid var(--c-line);
  padding: 18px 14px;
  display: grid;
  gap: 6px;
  transition: border-color var(--dur) ease, box-shadow var(--dur) ease;
}

.page-news .data-genes__cell:hover {
  border-color: var(--c-data);
  box-shadow: 0 0 24px var(--news-glow-cyan);
}

.page-news .data-genes__cell strong {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--c-data);
  line-height: 1;
}

.page-news .data-genes__cell span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-muted);
  line-height: 1.4;
}

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

/* ---- 05 更多内容 ---- */
.page-news .news-more__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-news .more-card {
  position: relative;
  padding: 24px 20px;
  display: grid;
  gap: 12px;
  text-decoration: none;
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-line);
  transition: border-color var(--dur) ease, transform var(--dur) ease, box-shadow var(--dur) ease;
}

.page-news .more-card:hover {
  border-left-color: var(--c-cta);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
}

.page-news .more-card__index {
  font-family: var(--font-mono);
  color: var(--c-cta);
  font-size: 1.1rem;
}

.page-news .more-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--c-text);
  margin: 0;
}

.page-news .more-card p {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--c-muted);
  margin: 0;
}

.page-news .more-card .link-arrow {
  margin-top: 6px;
}

/* 焦点可达性 */
.page-news .tag-index__row:focus-visible,
.page-news .more-card:focus-visible {
  outline: 2px solid var(--c-cta);
  outline-offset: 2px;
}

.page-news .news-item:focus-within {
  border-left-color: var(--c-cta);
  border-color: var(--c-cta);
}

/* ---- 桌面端响应式 ---- */
@media (min-width: 768px) {
  .page-news .news-hero__grid {
    grid-template-columns: 3fr 2fr;
    gap: 48px;
    align-items: end;
  }

  .page-news .news-hero h1 {
    font-size: clamp(3rem, 6vw, 4.6rem);
  }

  .page-news .news-list {
    grid-template-columns: repeat(2, 1fr);
    align-items: stretch;
  }

  .page-news .news-item {
    padding: 28px 24px;
  }

  .page-news .news-tags__grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 40px;
    align-items: center;
  }

  .page-news .changelog-grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 40px;
    align-items: start;
  }

  .page-news .news-data__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
  }

  .page-news .data-genes {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-news .news-more__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-news .news-tags__grid {
    gap: 64px;
  }

  .page-news .changelog-grid {
    gap: 64px;
  }

  .page-news .news-data__grid {
    gap: 64px;
  }
}