.page-news {
  --tag-periodic: var(--gold);
  --tag-hall: var(--hall-01);
  --tag-rule: var(--vermilion);
  --tag-term: var(--note);
  --tag-version: var(--hall-04);
  --entry-line: rgba(242, 237, 227, 0.09);
  --body-soft: rgba(242, 237, 227, 0.7);
  position: relative;
  background: var(--ink-800);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-news [data-filter-item][hidden] {
  display: none;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 48px) 0 52px;
  background:
    radial-gradient(120% 90% at 8% 0%, #17335c 0%, var(--ink-900) 46%, var(--ink-950) 100%);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: 12%;
  right: -18vw;
  width: 56vw;
  height: 56vw;
  max-width: 620px;
  max-height: 620px;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 34%, rgba(201, 162, 75, 0.2), transparent 62%);
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: -140px;
  bottom: -180px;
  width: 340px;
  height: 340px;
  border: 1px solid var(--line-gold);
  border-radius: 46% 54% 52% 48%;
  transform: rotate(-18deg);
  opacity: 0.55;
  pointer-events: none;
}

.page-news .hero-inner {
  position: relative;
  z-index: 1;
}

.page-news .breadcrumbs {
  margin-bottom: 30px;
}

.page-news .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--note);
}

.page-news .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: rgba(154, 167, 188, 0.6);
}

.page-news .breadcrumb-link {
  color: var(--note);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s ease, border-color 0.25s ease;
}

.page-news .breadcrumb-link:hover {
  color: var(--gold-bright);
  border-color: var(--line-gold);
}

.page-news .breadcrumb-current {
  color: var(--paper);
}

.page-news .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  align-items: end;
}

.page-news .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-news h1 {
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2rem, 8vw, 3.5rem);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-news .hero-lead {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(0.98rem, 1.5vw, 1.08rem);
  line-height: 1.85;
  color: var(--body-soft);
}

.page-news .hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .hero-stats li {
  border-left: 2px solid var(--line-gold);
  padding-left: 13px;
}

.page-news .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--gold-bright);
}

.page-news .stat-label {
  display: block;
  margin-top: 4px;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--note);
}

.page-news .hero-side {
  padding: 22px 22px 8px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background: rgba(11, 27, 51, 0.66);
}

.page-news .side-title {
  margin: 0 0 6px;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--note);
}

.page-news .side-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .side-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-news .side-list li:last-child {
  border-bottom: 0;
}

.page-news .side-issue {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--gold);
  white-space: nowrap;
}

.page-news .side-desc {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--body-soft);
}

/* ---------- 筛选条 ---------- */
.page-news .feed-shell {
  padding-bottom: 20px;
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 22px 0 18px;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .filter-btn {
  font: inherit;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--note);
  background: transparent;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  cursor: pointer;
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.page-news .filter-btn:hover {
  color: var(--paper);
  border-color: var(--line-gold);
}

.page-news .filter-btn[aria-pressed="true"] {
  color: var(--ink-900);
  background: var(--gold);
  border-color: var(--gold);
  font-weight: 700;
}

.page-news .filter-btn:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 2px;
}

.page-news .filter-live {
  margin-left: auto;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--note);
}

/* ---------- 列表区块 ---------- */
.page-news .feed-section {
  padding: 46px 0 10px;
  border-bottom: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-news .feed-section:last-child {
  border-bottom: 0;
}

.page-news .feed-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  margin-bottom: 26px;
}

.page-news .feed-num {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold);
  opacity: 0.9;
}

.page-news .feed-head h2 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.4rem, 4vw, 1.95rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .feed-lead {
  margin: 0;
  max-width: 64ch;
  font-size: 0.95rem;
  line-height: 1.82;
  color: var(--body-soft);
}

.page-news .feed-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  padding-bottom: 2px;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--gold-bright);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  transition: color 0.25s ease, border-color 0.25s ease;
}

.page-news .feed-link:hover {
  color: var(--paper);
  border-color: var(--paper);
}

/* ---------- 图片容器 ---------- */
.page-news .media-frame {
  position: relative;
  margin: 0 0 28px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-900);
  max-width: 1000px;
}

.page-news .media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 70px rgba(3, 8, 18, 0.78);
  pointer-events: none;
}

.page-news .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .media-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 12px 18px;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: rgba(242, 237, 227, 0.78);
  background: linear-gradient(180deg, transparent, rgba(6, 15, 31, 0.85));
}

.page-news .feed-section--halls .media-frame,
.page-news .feed-section--updates .media-frame {
  max-width: 900px;
  margin-left: auto;
}

.page-news .feed-section--terms .media-frame {
  max-width: 800px;
}

/* ---------- 目录条目 ---------- */
.page-news .entry-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .entry {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 20px 4px;
  border-top: 1px solid var(--entry-line);
  transition: background 0.3s ease, padding-left 0.3s ease;
}

.page-news .entry:last-child {
  border-bottom: 1px solid var(--entry-line);
}

.page-news .entry:hover {
  background: linear-gradient(90deg, rgba(201, 162, 75, 0.09), transparent 72%);
  padding-left: 12px;
}

.page-news .entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
}

.page-news .entry-tag {
  padding: 4px 11px;
  border: 1px solid currentColor;
  border-radius: var(--radius-pill);
  font-size: 0.71rem;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-news .entry[data-tags~="周期观察"] .entry-tag {
  color: var(--tag-periodic);
}

.page-news .entry[data-tags~="厅别专题"] .entry-tag {
  color: var(--tag-hall);
}

.page-news .entry[data-tags~="规则解读"] .entry-tag {
  color: var(--tag-rule);
}

.page-news .entry[data-tags~="术语小注"] .entry-tag {
  color: var(--tag-term);
}

.page-news .entry[data-tags~="版本更新"] .entry-tag {
  color: var(--tag-version);
}

.page-news .entry-issue {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--note);
  white-space: nowrap;
}

.page-news .entry-title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.02rem, 3vw, 1.2rem);
  line-height: 1.5;
  color: var(--paper);
}

.page-news .entry-summary {
  margin: 0;
  max-width: 72ch;
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(242, 237, 227, 0.68);
}

.page-news .entry-arrow {
  display: none;
  color: var(--gold);
  font-size: 1.15rem;
}

/* ---------- 系列索引 ---------- */
.page-news .series-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding-bottom: 34px;
}

.page-news .series-card {
  display: block;
  padding: 22px 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: rgba(20, 41, 74, 0.5);
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.page-news .series-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-gold);
  background: rgba(28, 55, 96, 0.72);
}

.page-news .series-card:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 3px;
}

.page-news .series-num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-news .series-name {
  margin: 12px 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.45;
  color: var(--paper);
}

.page-news .series-desc {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.78;
  color: var(--body-soft);
}

.page-news .series-count {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--note);
}

/* ---------- 收束区 ---------- */
.page-news .column-foot {
  padding: 54px 0 68px;
}

.page-news .column-foot-inner {
  padding: clamp(24px, 5vw, 44px);
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-xl);
  background: linear-gradient(125deg, var(--ink-700) 0%, var(--ink-900) 82%);
}

.page-news .column-foot-inner h2 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.35rem, 4vw, 1.8rem);
  line-height: 1.35;
  color: var(--paper);
}

.page-news .column-foot-inner p {
  margin: 0;
  max-width: 74ch;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--body-soft);
}

.page-news .foot-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .news-hero {
    padding: calc(var(--header-h) + 70px) 0 72px;
  }

  .page-news .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .filter-bar {
    position: sticky;
    top: var(--header-h);
    z-index: 5;
    padding: 16px 0;
    background: linear-gradient(180deg, rgba(11, 27, 51, 0.96), rgba(11, 27, 51, 0.86));
    backdrop-filter: blur(8px);
  }

  .page-news .entry {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 12px 30px;
    align-items: start;
    padding: 22px 34px 22px 4px;
  }

  .page-news .entry-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding-top: 2px;
  }

  .page-news .entry-arrow {
    display: block;
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translate(-8px, -50%);
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
  }

  .page-news .entry:hover .entry-arrow {
    opacity: 0.9;
    transform: translate(0, -50%);
  }

  .page-news .series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-news .hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 52px;
  }

  .page-news .feed-head {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 24px;
    margin-bottom: 30px;
  }

  .page-news .entry {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 12px 40px;
  }

  .page-news .series-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-news .feed-section {
    padding-top: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry,
  .page-news .series-card,
  .page-news .filter-btn,
  .page-news .entry-arrow {
    transition: none;
  }
}