.page-news {
  --news-venue: var(--turf-500);
  --news-youth: var(--flag-600);
  --news-stats: var(--amber-500);
  --news-rhythm: var(--pitch-700);
  --news-version: var(--ink-600);
  background: var(--night-100);
  color: var(--ink-900);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-news .breadcrumb {
  padding-top: 20px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: clamp(28px, 5vw, 56px) 0 clamp(36px, 6vw, 72px);
  border-bottom: 1px solid var(--line-300);
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(16, 73, 58, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(16, 73, 58, 0.07) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: clamp(80px, 18vw, 260px);
  height: 4px;
  background: linear-gradient(90deg, var(--turf-500), var(--flag-600) 60%, var(--amber-500));
}

.page-news .news-hero__inner {
  position: relative;
  display: grid;
  gap: 34px;
}

.page-news .news-hero__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2.5rem, 9vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin: 12px 0 0;
}

.page-news .news-hero__copy .lede {
  margin-top: 20px;
  max-width: 62ch;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--ink-900);
}

.page-news .news-hero__note {
  margin-top: 14px;
  max-width: 56ch;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--ink-600);
  border-left: 2px solid var(--line-300);
  padding-left: 14px;
}

.page-news .news-hero__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-300);
  border: 1px solid var(--line-300);
}

.page-news .news-hero__stats > li {
  background: var(--night-50);
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* ---------- 筛选条 ---------- */
.page-news .notes-filter {
  padding: 28px 0 0;
}

.page-news .notes-filter__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .note-filter {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1;
  padding: 11px 16px;
  border: 1px solid var(--line-300);
  background: var(--night-50);
  color: var(--ink-900);
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease;
}

.page-news .note-filter:hover {
  border-color: var(--turf-500);
  color: var(--turf-500);
}

.page-news .note-filter:focus-visible {
  outline: 2px solid var(--flag-600);
  outline-offset: 2px;
}

.page-news .note-filter[aria-pressed="true"] {
  background: var(--pitch-900);
  border-color: var(--pitch-900);
  color: var(--night-100);
}

.page-news .notes-filter__hint {
  margin-top: 14px;
  font-size: 0.8125rem;
  line-height: 1.8;
  color: var(--ink-600);
}

/* ---------- 置顶阶段观察 ---------- */
.page-news .notes-lead {
  margin-top: 40px;
  background: var(--pitch-950);
  color: var(--night-100);
  padding: clamp(40px, 7vw, 88px) 0;
}

.page-news .notes-lead__grid {
  display: grid;
  gap: 30px;
}

.page-news .notes-lead .tag--flag {
  background: var(--flag-600);
  color: var(--night-50);
}

.page-news .notes-lead__headline {
  margin-top: 18px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--night-100);
}

.page-news .notes-lead__rule {
  height: 1px;
  background: var(--pitch-700);
  margin: 24px 0;
}

.page-news .notes-lead__body {
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(247, 243, 232, 0.82);
}

.page-news .notes-lead__body + .notes-lead__body {
  margin-top: 14px;
}

.page-news .notes-lead .media-frame {
  border: 1px solid var(--pitch-700);
}

/* ---------- 条目列表 ---------- */
.page-news .news-list-wrap {
  padding: clamp(44px, 7vw, 88px) 0 0;
}

.page-news .news-list {
  margin-top: 28px;
  border-top: 1px solid var(--line-300);
}

.page-news .news-item {
  --cat: var(--line-300);
  display: grid;
  gap: 12px;
  padding: 24px 0 24px 16px;
  border-bottom: 1px solid var(--line-300);
  border-left: 3px solid var(--cat);
}

.page-news .cat-venue { --cat: var(--news-venue); }
.page-news .cat-youth { --cat: var(--news-youth); }
.page-news .cat-stats { --cat: var(--news-stats); }
.page-news .cat-rhythm { --cat: var(--news-rhythm); }
.page-news .cat-version { --cat: var(--news-version); }

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

.page-news .news-item.cat-rhythm .tag {
  background: var(--pitch-700);
  color: var(--night-100);
}

.page-news .news-item.cat-version .tag {
  background: var(--night-50);
  color: var(--ink-600);
  border: 1px solid var(--line-300);
}

.page-news .news-item__phase {
  font-family: var(--font-num);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: var(--ink-600);
}

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

.page-news .news-item__title {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.25rem;
  line-height: 1.35;
  letter-spacing: -0.005em;
}

.page-news .news-item__text {
  margin-top: 10px;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink-600);
}

.page-news .news-item__more {
  margin-top: 12px;
}

.page-news .news-item__more summary {
  display: inline-block;
  cursor: pointer;
  list-style: none;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--flag-700);
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

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

.page-news .news-item__more summary:focus-visible {
  outline: 2px solid var(--flag-600);
  outline-offset: 3px;
}

.page-news .news-item__more[open] summary {
  color: var(--turf-500);
}

.page-news .news-item__more p {
  margin-top: 12px;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--ink-600);
  border-left: 2px solid var(--line-300);
  padding-left: 14px;
}

.page-news .news-item__figure {
  margin-top: 18px;
}

/* 等宽数字走势条 */
.page-news .spark {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 52px;
  margin-top: 16px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line-300);
}

.page-news .spark__bar {
  display: block;
  width: 100%;
  max-width: 22px;
  min-height: 6px;
  background: var(--amber-500);
}

.page-news .spark__bar:nth-child(2n) {
  background: var(--turf-500);
}

.page-news .spark__axis {
  margin-top: 8px;
  font-family: var(--font-num);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  color: var(--ink-600);
}

/* ---------- 专题系列 ---------- */
.page-news .series {
  padding: clamp(48px, 7vw, 96px) 0 0;
}

.page-news .series-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-300);
}

.page-news .series-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 8px 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-300);
}

.page-news .series-item__no {
  font-family: var(--font-num);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--flag-600);
  line-height: 1.2;
}

.page-news .series-item__title {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.25rem;
  line-height: 1.35;
}

.page-news .series-item__text {
  margin-top: 8px;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--ink-600);
}

/* ---------- 资料提交 ---------- */
.page-news .contribute {
  padding: clamp(48px, 7vw, 96px) 0 0;
}

.page-news .contribute__grid {
  display: grid;
  gap: 28px;
  border: 1px solid var(--line-300);
  border-top: 3px solid var(--turf-500);
  background: var(--night-50);
  padding: clamp(24px, 4vw, 44px);
}

.page-news .contribute__lead {
  margin-top: 16px;
  max-width: 58ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink-600);
}

.page-news .contribute__note {
  margin-top: 14px;
  font-size: 0.8125rem;
  line-height: 1.8;
  color: var(--ink-600);
}

.page-news .contribute__card {
  border: 1px solid var(--line-300);
  background: var(--night-100);
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.page-news .contribute__label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-600);
}

.page-news .contribute__label--second {
  margin-top: 16px;
}

.page-news .contribute__value {
  font-family: var(--font-num);
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  color: var(--ink-900);
  word-break: break-all;
}

.page-news .contribute__card .copy-btn {
  margin-top: 4px;
}

/* ---------- 延伸入口 ---------- */
.page-news .next-entries {
  padding: clamp(48px, 7vw, 96px) 0 clamp(56px, 8vw, 104px);
}

.page-news .next-links {
  margin-top: 28px;
  display: grid;
  gap: 16px;
}

.page-news .next-link {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px;
  border: 1px solid var(--line-300);
  border-bottom: 3px solid var(--turf-500);
  background: var(--night-50);
  color: inherit;
  text-decoration: none;
  transition: border-color 180ms ease, transform 180ms ease;
}

.page-news .next-link:hover,
.page-news .next-link:focus-visible {
  border-bottom-color: var(--flag-600);
}

.page-news .next-link:focus-visible {
  outline: 2px solid var(--flag-600);
  outline-offset: 2px;
}

.page-news .next-link__no {
  font-family: var(--font-num);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--flag-600);
}

.page-news .next-link__title {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.25rem;
  line-height: 1.3;
}

.page-news .next-link__text {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--ink-600);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: end;
    gap: 48px;
  }

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

  .page-news .news-item {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 32px;
    padding: 28px 0 28px 22px;
  }

  .page-news .news-item__side {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .page-news .contribute__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
    gap: 40px;
  }

  .page-news .next-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .next-link {
    height: 100%;
  }
}

@media (min-width: 1000px) {
  .page-news .notes-lead__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
    gap: 64px;
  }

  .page-news .news-item {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 44px;
  }

  .page-news .spark {
    max-width: 520px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .note-filter,
  .page-news .next-link {
    transition: none;
  }
}