.page-news {
  --news-gap: 24px;
  font-family: var(--font-body);
  color: var(--navy);
  background: var(--surface);
  overflow-x: clip;
}

/* ===== 刊头 ===== */
.page-news .news-masthead {
  position: relative;
  padding: 40px 0 96px;
  background:
    radial-gradient(circle at 12% 20%, rgba(255, 215, 0, .14), transparent 32%),
    linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  overflow: hidden;
}

.page-news .news-masthead::after {
  content: "";
  position: absolute;
  right: -140px;
  top: -90px;
  width: 320px;
  height: 320px;
  background: linear-gradient(135deg, rgba(255, 215, 0, .28), rgba(255, 215, 0, 0) 62%);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.page-news .news-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  font-size: 14px;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, .65);
}

.page-news .news-breadcrumb a {
  color: var(--yellow);
  text-decoration: none;
}

.page-news .news-breadcrumb a:hover {
  text-decoration: underline;
}

.page-news .news-breadcrumb [aria-current="page"] {
  color: rgba(255, 255, 255, .88);
}

.page-news .news-masthead__copy {
  max-width: 860px;
}

.page-news .news-masthead h1 {
  margin: 0;
  font-family: var(--font-headline);
  font-size: clamp(38px, 7vw, 64px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.02em;
}

.page-news .news-masthead__lead {
  max-width: 720px;
  margin-top: 20px;
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .86);
}

.page-news .news-masthead__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.page-news .news-masthead__fact {
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--radius-md);
  padding: 12px 16px;
}

.page-news .news-masthead__fact strong {
  display: block;
  font-family: var(--font-headline);
  font-size: 26px;
  font-weight: 900;
  font-style: italic;
  line-height: 1.1;
  color: var(--yellow);
}

.page-news .news-masthead__fact span {
  display: block;
  margin-top: 2px;
  font-size: 13px;
  color: rgba(255, 255, 255, .72);
}

.page-news .news-masthead__visual {
  margin-top: 36px;
}

.page-news .news-masthead__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, .12);
  clip-path: polygon(0 0, 100% 4%, 100% 96%, 0 100%);
}

/* ===== 滚动快讯条 ===== */
.page-news .news-ticker {
  position: relative;
  z-index: 3;
  margin-top: -48px;
  padding: 14px 0;
  background: var(--grad-brand);
  color: var(--navy);
  border-top: 1px solid rgba(255, 255, 255, .4);
  border-bottom: 1px solid rgba(10, 31, 68, .1);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transform: skewY(-2deg);
}

.page-news .news-ticker__track {
  display: flex;
  width: max-content;
  padding-left: 24px;
  white-space: nowrap;
  animation: news-ticker-move 30s linear infinite;
  will-change: transform;
}

.page-news .ticker-item {
  display: inline-flex;
  align-items: center;
  padding-right: 42px;
  font-size: 15px;
  font-weight: 800;
}

.page-news .ticker-item::before {
  content: "";
  width: 6px;
  height: 6px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--navy);
  opacity: .7;
}

@keyframes news-ticker-move {
  from { transform: translateX(0); }
  to { transform: translateX(-100%); }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-ticker__track {
    flex-wrap: wrap;
    width: auto;
    animation: none;
  }

  .page-news .news-ticker {
    transform: none;
  }
}

/* ===== 章节标题 ===== */
.page-news .section-head {
  position: relative;
  padding-left: 16px;
  margin-bottom: 40px;
  border-left: 4px solid var(--yellow);
}

.page-news .section-title {
  font-family: var(--font-headline);
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--navy);
  margin: 0;
}

.page-news .section-note {
  margin: 8px 0 0;
  font-size: 16px;
  color: var(--gray);
}

.page-news .vision-label {
  position: absolute;
  top: 0;
  right: 0;
  writing-mode: vertical-rl;
  text-transform: uppercase;
  letter-spacing: .2em;
  font-size: 12px;
  font-weight: 700;
  color: var(--navy-light);
  opacity: .5;
}

/* ===== 最新动态布局 ===== */
.page-news .news-latest {
  padding: 56px 0 72px;
}

.page-news .latest-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-news .news-sidebar {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.page-news .filter-panel,
.page-news .chapter-nav {
  background: var(--white);
  border: 1px solid rgba(10, 31, 68, .08);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.page-news .filter-panel__label,
.page-news .chapter-nav__label {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 14px;
}

.page-news .filter-panel__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .filter-pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  background: var(--surface);
  color: var(--navy);
  border: 1px solid transparent;
  transition: background .2s, color .2s, transform .2s;
}

.page-news .filter-pill:hover,
.page-news .filter-pill:focus-visible {
  transform: translateY(-2px);
}

.page-news .filter-pill::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 10px;
  background: currentColor;
  opacity: .65;
}

.page-news .filter-pill--all {
  background: var(--navy);
  color: var(--yellow);
}

.page-news .filter-pill--version:hover {
  background: var(--navy-light);
  color: #fff;
}

.page-news .filter-pill--coverage:hover {
  background: var(--green);
  color: #fff;
}

.page-news .filter-pill--version::before {
  background: var(--navy-light);
  color: transparent;
}

.page-news .filter-pill--coverage::before {
  background: var(--green);
  color: transparent;
}

.page-news .filter-pill--report::before {
  background: var(--yellow);
  color: transparent;
}

.page-news .chapter-nav__link {
  display: flex;
  gap: 10px;
  padding: 10px 12px;
  border-left: 3px solid transparent;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  text-decoration: none;
  transition: background .2s, color .2s;
}

.page-news .chapter-nav__link:hover,
.page-news .chapter-nav__link.is-active {
  background: rgba(10, 31, 68, .06);
  color: var(--navy-light);
  border-left-color: var(--yellow);
}

.page-news .sidebar-help {
  padding: 20px;
  border: 1px solid rgba(255, 215, 0, .4);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(255, 215, 0, .16), rgba(255, 215, 0, .04));
}

.page-news .sidebar-help__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 900;
  color: var(--navy);
}

.page-news .sidebar-help p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--navy);
}

.page-news .sidebar-help .btn {
  width: 100%;
  text-align: center;
}

/* ===== 时间线区域 ===== */
.page-news .timeline-area {
  min-width: 0;
}

.page-news .filter-anchor {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .filter-status {
  display: none;
  margin-bottom: 18px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 800;
}

.page-news #filter-version:target ~ .filter-status--version {
  display: block;
  background: rgba(30, 58, 110, .08);
  color: var(--navy-light);
}

.page-news #filter-coverage:target ~ .filter-status--coverage {
  display: block;
  background: rgba(0, 200, 83, .12);
  color: #007a3a;
}

.page-news #filter-report:target ~ .filter-status--report {
  display: block;
  background: rgba(255, 215, 0, .18);
  color: var(--navy);
}

.page-news #filter-all:target ~ .filter-status--all {
  display: block;
  background: rgba(10, 31, 68, .06);
  color: var(--navy);
}

/* ===== 时间线条目 ===== */
.page-news .news-feed {
  position: relative;
  padding-left: 36px;
}

.page-news .news-feed::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 24px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--navy-light), rgba(30, 58, 110, .1));
}

.page-news .timeline-item {
  position: relative;
  margin-bottom: 14px;
  padding: 20px 20px 22px 24px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s, transform .2s;
  animation: news-item-in .45s ease both;
}

.page-news .timeline-item:nth-child(2) { animation-delay: .05s; }
.page-news .timeline-item:nth-child(3) { animation-delay: .1s; }
.page-news .timeline-item:nth-child(4) { animation-delay: .15s; }
.page-news .timeline-item:nth-child(5) { animation-delay: .2s; }
.page-news .timeline-item:nth-child(6) { animation-delay: .25s; }

@keyframes news-item-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .timeline-item {
    animation: none;
  }
}

.page-news .timeline-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.page-news .timeline-item::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 26px;
  width: 11px;
  height: 11px;
  border-radius: 3px;
  background: var(--navy-light);
  transition: clip-path .25s ease, background .25s ease, transform .25s ease;
}

.page-news .timeline-item.cat-coverage::before {
  background: var(--green);
}

.page-news .timeline-item.cat-report::before {
  background: var(--yellow);
  box-shadow: 0 0 0 3px rgba(255, 215, 0, .25);
}

.page-news .timeline-item:hover::before,
.page-news .timeline-item:focus-within::before {
  background: var(--yellow);
  box-shadow: 0 0 0 4px rgba(255, 215, 0, .2);
  clip-path: polygon(12% 0, 55% 0, 100% 50%, 55% 100%, 12% 100%, 62% 50%);
  transform: translateX(2px);
}

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

.page-news .timeline-item__index {
  font-family: var(--font-headline);
  font-size: 13px;
  font-weight: 900;
  font-style: italic;
  color: var(--navy);
  opacity: .45;
}

.page-news .timeline-item__date {
  font-size: 13px;
  font-style: italic;
  color: var(--gray);
}

.page-news .timeline-item__title {
  margin: 10px 0 6px;
  font-family: var(--font-headline);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--navy);
  transition: color .2s;
}

.page-news .timeline-item:hover .timeline-item__title {
  color: var(--navy-light);
}

.page-news .timeline-item__summary {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray);
}

.page-news .news-latest__footer {
  margin-top: 12px;
  padding: 16px 20px;
  background: rgba(10, 31, 68, .04);
  border-radius: var(--radius-md);
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}

.page-news .news-latest__footer a {
  color: var(--navy-light);
  font-weight: 700;
}

/* ===== 分类筛选状态 ===== */
.page-news #filter-version:target ~ .news-feed .timeline-item,
.page-news #filter-coverage:target ~ .news-feed .timeline-item,
.page-news #filter-report:target ~ .news-feed .timeline-item {
  display: none;
}

.page-news #filter-version:target ~ .news-feed .cat-version,
.page-news #filter-coverage:target ~ .news-feed .cat-coverage,
.page-news #filter-report:target ~ .news-feed .cat-report,
.page-news #filter-all:target ~ .news-feed .timeline-item {
  display: block;
}

/* ===== 版本更新纪事 ===== */
.page-news .news-versions {
  padding: 64px 0 72px;
  background:
    radial-gradient(circle at 90% 20%, rgba(30, 58, 110, .28), transparent 32%),
    linear-gradient(135deg, var(--navy) 0%, #081934 100%);
  color: var(--white);
}

.page-news .news-versions .section-title {
  color: var(--white);
}

.page-news .news-versions .section-note {
  color: rgba(255, 255, 255, .68);
}

.page-news .news-versions .vision-label {
  color: var(--yellow);
  opacity: .8;
}

.page-news .versions-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-news .version-chart__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, .12);
  box-shadow: var(--shadow-md);
}

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

.page-news .version-row {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.page-news .version-row strong {
  font-family: var(--font-headline);
  font-size: 16px;
  font-style: italic;
  font-weight: 800;
  color: var(--yellow);
}

.page-news .version-row span {
  font-size: 15px;
  line-height: 1.6;
  color: rgba(255, 255, 255, .86);
}

.page-news .version-note {
  margin: 20px 0 0;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, .06);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .78);
}

/* ===== 赛事资料扩充 ===== */
.page-news .news-coverage {
  padding: 64px 0 72px;
  background: var(--surface);
}

.page-news .coverage-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-news .coverage-copy p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--navy);
}

.page-news .coverage-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.page-news .coverage-chart {
  padding: 18px;
  background: var(--white);
  border: 1px solid rgba(10, 31, 68, .08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.page-news .coverage-chart__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

.page-news .coverage-chart__caption {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin-top: 14px;
  font-size: 14px;
  color: var(--gray);
}

.page-news .coverage-chart__caption strong {
  font-family: var(--font-headline);
  font-size: 20px;
  font-style: italic;
  color: var(--navy);
}

/* ===== 专题报告 ===== */
.page-news .news-reports {
  padding: 64px 0 80px;
  background: linear-gradient(180deg, var(--surface) 0%, rgba(255, 215, 0, .1) 100%);
}

.page-news .reports-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-news .report-feature {
  margin: 0;
}

.page-news .report-feature__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.page-news .report-feature figcaption {
  margin-top: 14px;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.55;
  color: var(--navy);
}

.page-news .report-feature figcaption span {
  font-size: 13px;
  font-style: italic;
  color: var(--gray);
  font-weight: 600;
}

.page-news .report-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-news .report-row {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  align-items: start;
  padding: 20px;
  background: var(--white);
  border: 1px solid rgba(10, 31, 68, .06);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s, transform .2s;
}

.page-news .report-row:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.page-news .report-row__num {
  font-family: var(--font-headline);
  font-size: 24px;
  font-weight: 900;
  font-style: italic;
  color: var(--yellow);
}

.page-news .report-row h3 {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--navy);
}

.page-news .report-row p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}

/* ===== 底部导航 ===== */
.page-news .news-bottom {
  padding: 40px 0;
  background: var(--navy);
  color: var(--white);
}

.page-news .news-bottom__inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
}

.page-news .news-bottom__heading {
  margin: 0;
  font-family: var(--font-headline);
  font-size: 22px;
  font-weight: 900;
}

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

/* ===== 响应式 ===== */
@media (min-width: 768px) {
  .page-news .version-row {
    grid-template-columns: 128px 1fr;
  }

  .page-news .news-bottom__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 1024px) {
  .page-news .latest-layout {
    grid-template-columns: 280px 1fr;
    gap: 48px;
    align-items: start;
  }

  .page-news .news-sidebar {
    position: sticky;
    top: 96px;
  }

  .page-news .versions-layout {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 56px;
    align-items: center;
  }

  .page-news .coverage-layout {
    grid-template-columns: 1.1fr 1fr;
    gap: 56px;
    align-items: center;
  }

  .page-news .reports-layout {
    grid-template-columns: 320px 1fr;
    gap: 48px;
    align-items: start;
  }
}