/* ==========================================================
   追比分专家专栏 · 页面专属样式
   作用域：.page-news
   ========================================================== */
.page-news {
  --cat-review: #FF7A45;
  --cat-model: #3D7BFF;
  --cat-update: #18D09C;
  --cat-guide: #F5B94A;
  position: relative;
  padding: 32px 0 96px;
  background:
    radial-gradient(1100px 380px at 85% -5%, rgba(61, 123, 255, 0.14), transparent 62%),
    radial-gradient(700px 260px at 8% 6%, rgba(245, 185, 74, 0.07), transparent 60%);
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 26px;
}
.page-news .breadcrumb a {
  color: var(--cyan-link);
  text-decoration: none;
  transition: color var(--transition);
}
.page-news .breadcrumb a:hover {
  color: var(--gold-accent);
}
.page-news .breadcrumb-sep {
  margin: 0 8px;
  color: var(--line-divider);
}

/* ---------- 页面头部 ---------- */
.page-news .news-head {
  border-left: 4px solid var(--gold-accent);
  padding-left: 20px;
  margin-bottom: 34px;
}
.page-news .page-kicker {
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-accent);
  margin-bottom: 10px;
}
.page-news .page-title {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 7vw, 4.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.02;
  margin-bottom: 12px;
  color: var(--text-primary);
}
.page-news .page-lead {
  color: var(--text-secondary);
  max-width: 680px;
  font-size: 0.95rem;
  line-height: 1.75;
}

/* ---------- 专题速览横幅 ---------- */
.page-news .topic-ticker {
  display: flex;
  align-items: stretch;
  gap: 14px;
  background: linear-gradient(135deg, rgba(61, 123, 255, 0.1), rgba(245, 185, 74, 0.06));
  border: 1px solid var(--line-divider);
  border-radius: var(--radius-card);
  padding: 14px 16px;
  margin-bottom: 44px;
}
.page-news .ticker-mark {
  flex-shrink: 0;
  align-self: center;
  font-family: var(--font-data);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #0A1428;
  background: var(--gold-accent);
  border-radius: var(--radius-pill);
  padding: 5px 12px;
}
.page-news .ticker-track {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  padding: 2px;
}
.page-news .ticker-track::-webkit-scrollbar {
  display: none;
}
.page-news .ticker-item {
  flex-shrink: 0;
  white-space: nowrap;
  font-size: 0.82rem;
  color: var(--text-primary);
  text-decoration: none;
  border: 1px solid var(--line-divider);
  border-radius: var(--radius-pill);
  padding: 7px 14px;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.page-news .ticker-item:hover {
  border-color: var(--gold-accent);
  color: var(--gold-accent);
  background: rgba(245, 185, 74, 0.08);
}

/* ---------- 主副栏布局 ---------- */
.page-news .news-layout {
  gap: 40px;
  align-items: start;
}
.page-news .news-main-col,
.page-news .news-side-col {
  min-width: 0;
}

/* ---------- 分类筛选 ---------- */
.page-news .cat-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 48px;
}
.page-news .cat-nav .section-title {
  flex: 0 0 100%;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 2px;
}
.page-news .cat-radio:focus-visible + .cat-pill {
  outline: 2px solid var(--gold-accent);
  outline-offset: 2px;
}
.page-news .cat-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-divider);
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.85rem;
  text-decoration: none;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition), background var(--transition), box-shadow var(--transition);
}
.page-news .cat-pill::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-secondary);
  transition: background var(--transition);
}
.page-news .cat-pill--review {
  border-color: rgba(255, 122, 69, 0.35);
  color: #FFD7C2;
}
.page-news .cat-pill--review::before {
  background: var(--cat-review);
}
.page-news .cat-pill--model {
  border-color: rgba(61, 123, 255, 0.35);
  color: #C8DBFF;
}
.page-news .cat-pill--model::before {
  background: var(--cat-model);
}
.page-news .cat-pill--update {
  border-color: rgba(24, 208, 156, 0.35);
  color: #BFF5E4;
}
.page-news .cat-pill--update::before {
  background: var(--cat-update);
}
.page-news .cat-pill--guide {
  border-color: rgba(245, 185, 74, 0.4);
  color: #FFE6B8;
}
.page-news .cat-pill--guide::before {
  background: var(--cat-guide);
}
.page-news .cat-radio:checked + .cat-pill {
  border-color: var(--gold-accent);
  color: var(--gold-accent);
  background: rgba(245, 185, 74, 0.08);
  box-shadow: 0 0 0 1px rgba(245, 185, 74, 0.15);
  font-weight: 600;
}

/* ---------- 筛选后的文章容器 ---------- */
.page-news .cat-articles {
  flex: 0 0 100%;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 10px;
}
.page-news #cat-review:checked ~ .cat-articles .news-item:not([data-cat="review"]),
.page-news #cat-model:checked ~ .cat-articles .news-item:not([data-cat="model"]),
.page-news #cat-update:checked ~ .cat-articles .news-item:not([data-cat="update"]),
.page-news #cat-guide:checked ~ .cat-articles .news-item:not([data-cat="guide"]) {
  display: none;
}

/* ---------- 文章时间线 · 斑马纹 ---------- */
.page-news .news-item {
  position: relative;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 4px;
  border: 1px solid var(--line-divider);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  scroll-margin-top: 110px;
}
.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--line-divider);
  transition: background var(--transition);
}
.page-news .news-item[data-cat="review"]::before {
  background: var(--cat-review);
}
.page-news .news-item[data-cat="model"]::before {
  background: var(--cat-model);
}
.page-news .news-item[data-cat="update"]::before {
  background: var(--cat-update);
}
.page-news .news-item[data-cat="guide"]::before {
  background: var(--cat-guide);
}
.page-news .news-item:nth-child(even) {
  background: rgba(18, 31, 54, 0.55);
}
.page-news .news-item:nth-child(odd) {
  background: rgba(10, 20, 40, 0.4);
}
.page-news .news-item:hover {
  border-color: rgba(245, 185, 74, 0.55);
  box-shadow: 0 0 0 1px rgba(245, 185, 74, 0.12), 0 8px 30px rgba(0, 0, 0, 0.18);
}
.page-news .news-item:target {
  border-color: var(--gold-accent);
  box-shadow: 0 0 0 3px rgba(245, 185, 74, 0.18);
}

/* ---------- 文章编号 ---------- */
.page-news .news-side {
  padding: 18px 0 0 10px;
}
.page-news .news-index {
  font-family: var(--font-data);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-secondary);
  line-height: 1;
}

/* ---------- 文章内容 ---------- */
.page-news .news-card {
  padding: 18px 18px 20px 6px;
  min-width: 0;
}
.page-news .news-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.page-news .news-read {
  font-family: var(--font-data);
  font-size: 0.76rem;
  color: var(--text-secondary);
}
.page-news .news-title {
  font-family: var(--font-head);
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.page-news .news-summary {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  transition: color var(--transition);
}
.page-news .news-item:hover .news-summary,
.page-news .news-item:target .news-summary {
  -webkit-line-clamp: unset;
  color: rgba(232, 237, 247, 0.9);
}
.page-news .news-full {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 12px;
  font-size: 0.82rem;
  color: var(--cyan-link);
  text-decoration: none;
  transition: color var(--transition), gap var(--transition);
}
.page-news .news-full:hover {
  color: var(--gold-accent);
  gap: 8px;
}

/* ---------- 文章配图 ---------- */
.page-news .news-figure {
  margin-top: 14px;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--line-divider);
}
.page-news .news-figure img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 标签扩展 ---------- */
.page-news .tag-label--model {
  background: rgba(61, 123, 255, 0.12);
  border-color: rgba(61, 123, 255, 0.4);
  color: var(--chart-blue);
}
.page-news .tag-label--update {
  background: rgba(24, 208, 156, 0.12);
  border-color: rgba(24, 208, 156, 0.4);
  color: var(--green-live);
}

/* ---------- 章节标题 ---------- */
.page-news .section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line-divider);
}
.page-news .section-index {
  font-family: var(--font-data);
  font-size: 0.85rem;
  color: var(--gold-accent);
}
.page-news .section-title {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}
.page-news .section-desc {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ---------- 数据观察工具 ---------- */
.page-news .tool-guide {
  margin-top: 52px;
}
.page-news .tool-grid {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}
.page-news .tool-card {
  display: block;
  background: linear-gradient(150deg, var(--panel-deep), rgba(10, 20, 40, 0.5));
  border: 1px solid var(--line-divider);
  border-radius: var(--radius-card);
  padding: 20px;
  text-decoration: none;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.page-news .tool-card:hover {
  border-color: var(--gold-accent);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}
.page-news .tool-icon {
  display: block;
  font-size: 1.2rem;
  color: var(--gold-accent);
  margin-bottom: 10px;
}
.page-news .tool-card h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.page-news .tool-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* ---------- 侧边栏 ---------- */
.page-news .news-side-col {
  display: grid;
  gap: 22px;
  align-content: start;
}
.page-news .side-card {
  background: linear-gradient(160deg, rgba(18, 31, 54, 0.85), rgba(10, 20, 40, 0.45));
  border: 1px solid var(--line-divider);
  border-radius: var(--radius-card);
  padding: 22px;
}
.page-news .side-card h2 {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 8px 0 12px;
}
.page-news .side-kicker {
  font-family: var(--font-data);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-accent);
}
.page-news .side-desc {
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0 0 14px;
}
.page-news .side-figure {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-card);
  border: 1px solid var(--line-divider);
}
.page-news .month-current {
  font-family: var(--font-head);
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--gold-accent);
  line-height: 1.1;
  margin: 6px 0 10px;
}
.page-news .month-desc {
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0 0 16px;
}
.page-news .month-next {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line-divider);
  font-size: 0.8rem;
  color: var(--cyan-link);
}
.page-news .freq-note {
  margin-top: 14px;
  font-family: var(--font-data);
  font-size: 0.8rem;
  color: var(--text-primary);
}
.page-news .side-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
  color: var(--cyan-link);
  text-decoration: none;
  transition: color var(--transition);
}
.page-news .side-link:hover {
  color: var(--gold-accent);
}

/* ---------- 桌面端增强 ---------- */
@media (min-width: 768px) {
  .page-news {
    padding: 48px 0 120px;
  }
  .page-news .news-head {
    margin-bottom: 44px;
  }
  .page-news .page-lead {
    font-size: 1.05rem;
  }
  .page-news .topic-ticker {
    padding: 16px 20px;
    margin-bottom: 52px;
  }
  .page-news .news-layout {
    grid-template-columns: minmax(0, 1fr) 340px;
  }
  .page-news .news-item {
    grid-template-columns: 64px 1fr;
  }
  .page-news .news-side {
    padding: 24px 0 0 14px;
  }
  .page-news .news-index {
    font-size: 1.9rem;
  }
  .page-news .news-card {
    padding: 24px 26px 26px 10px;
  }
  .page-news .news-title {
    font-size: 1.35rem;
  }
  .page-news .news-read {
    font-size: 0.8rem;
  }
  .page-news .tool-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  .page-news .side-card {
    padding: 26px;
  }
}