/* ===== 最新动态 /updates/ 页面专属样式 ===== */
.page-news {
  position: relative;
  background: var(--bg-deep);
}

.page-news section[id] {
  scroll-margin-top: 96px;
}

/* 页面头 */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: 24px 0 36px;
  background:
    radial-gradient(circle at 88% -10%, rgba(30, 136, 229, 0.3), transparent 46%),
    linear-gradient(150deg, #060a1e 0%, var(--bg-deep) 58%, #101737 100%);
  border-bottom: 2px solid rgba(255, 111, 0, 0.3);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: 10px;
  right: -36px;
  width: 240px;
  height: 150px;
  background: linear-gradient(135deg, rgba(255, 111, 0, 0.32), transparent 68%);
  clip-path: polygon(18% 0, 100% 0, 82% 100%, 0 100%);
  pointer-events: none;
}

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

.page-news .breadcrumbs {
  margin: 0 0 20px;
  font-size: 13px;
  font-family: var(--font-data);
  color: var(--text-weak);
  letter-spacing: 0.02em;
}

.page-news .breadcrumbs a {
  color: var(--text-second);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-news .breadcrumbs a:hover,
.page-news .breadcrumbs a:focus-visible {
  color: var(--electric);
}

.page-news .crumb-sep {
  margin: 0 8px;
  color: var(--text-weak);
}

.page-news .kick {
  margin: 0 0 10px;
  font-size: 12px;
  font-family: var(--font-data);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--electric);
}

.page-news .news-hero h1 {
  margin: 0 0 16px;
  max-width: 12em;
  font-family: var(--font-head);
  font-size: clamp(30px, 5.6vw, 54px);
  line-height: 1.02;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-main);
}

.page-news .hero-lead {
  margin: 0 0 22px;
  max-width: 48em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-second);
}

.page-news .tag-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .tag-pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 5px 14px;
  border: 1px solid var(--line-glass);
  border-radius: 999px;
  background: rgba(20, 26, 58, 0.72);
  color: var(--text-second);
  font-size: 13px;
  text-decoration: none;
  transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease;
}

.page-news .tag-pill:hover,
.page-news .tag-pill:focus-visible {
  border-color: rgba(255, 213, 79, 0.65);
  color: var(--gold);
  background: rgba(30, 136, 229, 0.12);
}

/* 区块通用 */
.page-news .news-latest,
.page-news .news-rules,
.page-news .news-version,
.page-news .news-feature,
.page-news .news-help {
  padding: 44px 0;
}

.page-news .section-head {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.page-news .section-head > div {
  flex: 1;
  min-width: 0;
}

.page-news .section-head h2 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 26px;
  line-height: 1.1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-main);
}

.page-news .section-sub {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-second);
}

.page-news .section-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  min-width: 34px;
  height: 34px;
  padding: 0 8px;
  background: rgba(30, 136, 229, 0.1);
  border: 1px solid rgba(30, 136, 229, 0.5);
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  color: var(--electric);
  font-family: var(--font-data);
  font-size: 13px;
}

/* 图片基座 */
.page-news img {
  max-width: 100%;
  height: auto;
}

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

/* 01 最新发布 */
.page-news .news-latest {
  background: linear-gradient(180deg, var(--bg-deep) 0%, rgba(20, 26, 58, 0.35) 100%);
}

.page-news .news-timeline {
  position: relative;
  padding-left: 26px;
}

.page-news .news-timeline::before {
  content: "";
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 6px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, rgba(30, 136, 229, 0.7), rgba(255, 111, 0, 0.55));
}

.page-news .timeline-item {
  position: relative;
  margin-bottom: 18px;
  overflow: hidden;
  border: 1px solid var(--line-glass);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(30, 136, 229, 0.1), transparent 46%),
    var(--bg-mid);
  transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.page-news .timeline-item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 20px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 111, 0, 0.16), 0 0 0 7px rgba(255, 111, 0, 0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-news .timeline-item--lead::before {
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(255, 213, 79, 0.16), 0 0 0 7px rgba(255, 213, 79, 0.06);
}

@media (hover: hover) {
  .page-news .timeline-item:hover {
    border-color: var(--line-electric);
    transform: translateX(4px);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3);
  }

  .page-news .timeline-item:hover::before {
    transform: scale(1.25);
    box-shadow: 0 0 0 6px rgba(255, 111, 0, 0.2), 0 0 0 10px rgba(255, 111, 0, 0.07);
  }

  .page-news .timeline-item--lead:hover::before {
    box-shadow: 0 0 0 6px rgba(255, 213, 79, 0.2), 0 0 0 10px rgba(255, 213, 79, 0.07);
  }
}

.page-news .timeline-item .media-frame {
  margin: 0;
  border-radius: 0;
}

.page-news .timeline-item--lead .media-frame {
  aspect-ratio: 16 / 9;
}

.page-news .timeline-body {
  padding: 18px 18px 20px;
}

.page-news .timeline-body h3 {
  margin: 12px 0 10px;
  font-family: var(--font-head);
  font-size: 18px;
  line-height: 1.32;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--text-main);
}

.page-news .timeline-body p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-second);
}

.page-news .timeline-body p:last-child {
  margin-bottom: 0;
}

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

.page-news .timeline-badge {
  padding: 3px 10px;
  border: 1px solid var(--line-glass);
  border-radius: 999px;
  background: rgba(11, 16, 38, 0.55);
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--text-weak);
}

/* 02 规则更新 */
.page-news .news-rules {
  background:
    radial-gradient(circle at 18% 20%, rgba(255, 213, 79, 0.08), transparent 32%),
    linear-gradient(160deg, var(--bg-light) 0%, var(--bg-deep) 72%);
  border-top: 1px solid rgba(255, 111, 0, 0.18);
}

.page-news .rules-banner {
  aspect-ratio: 3 / 1;
  overflow: hidden;
  margin-bottom: 18px;
  border: 1px solid var(--line-glass);
  border-radius: var(--radius);
}

.page-news .rules-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line-glass);
  border-radius: var(--radius);
  background: var(--bg-mid);
  box-shadow: var(--shadow-deep);
}

.page-news .rules-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-news .rules-table thead th {
  padding: 13px 16px;
  border-bottom: 2px solid var(--orange);
  background: var(--bg-light);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: left;
  color: var(--text-second);
}

.page-news .rules-table tbody th,
.page-news .rules-table tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line-glass);
  text-align: left;
  vertical-align: top;
  line-height: 1.6;
  color: var(--text-second);
}

.page-news .rules-table tbody tr:last-child th,
.page-news .rules-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-news .rules-table tbody th {
  font-family: var(--font-data);
  color: var(--gold);
  white-space: nowrap;
}

.page-news .rules-table tbody tr {
  transition: background 0.25s ease;
}

@media (hover: hover) {
  .page-news .rules-table tbody tr:hover {
    background: rgba(30, 136, 229, 0.08);
  }
}

.page-news .rules-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-weak);
}

/* 03 版本历史 */
.page-news .news-version {
  background: var(--bg-deep);
  border-top: 1px solid var(--line-glass);
}

.page-news .version-grid {
  display: grid;
  gap: 22px;
}

.page-news .version-phone {
  max-width: 280px;
  margin-inline: auto;
}

.page-news .version-phone.media-frame--phone {
  aspect-ratio: 1 / 2;
  overflow: hidden;
  border: 1px solid rgba(30, 136, 229, 0.35);
  border-radius: 18px;
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.32);
}

.page-news .version-panels {
  display: grid;
  gap: 10px;
}

.page-news .version-panel {
  overflow: hidden;
  border: 1px solid var(--line-glass);
  border-radius: var(--radius);
  background: var(--bg-mid);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-news .version-panel[open] {
  border-color: rgba(255, 213, 79, 0.4);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
}

.page-news .version-panel summary {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 14px;
  padding: 14px 16px;
  background: linear-gradient(135deg, rgba(30, 136, 229, 0.08), transparent 55%);
  cursor: pointer;
  list-style: none;
}

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

.page-news .version-panel summary::after {
  content: "+";
  margin-left: auto;
  color: var(--orange);
  font-family: var(--font-data);
  font-size: 20px;
  line-height: 1;
  transition: transform 0.25s ease;
}

.page-news .version-panel[open] summary::after {
  transform: rotate(45deg);
}

.page-news .version-num {
  font-family: var(--font-data);
  font-size: 15px;
  color: var(--electric);
}

.page-news .version-name {
  font-family: var(--font-head);
  font-size: 18px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text-main);
}

.page-news .version-panel ul {
  margin: 0;
  padding: 4px 18px 16px 48px;
  list-style: none;
}

.page-news .version-panel li {
  position: relative;
  padding: 6px 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-second);
}

.page-news .version-panel li::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 14px;
  width: 8px;
  height: 8px;
  background: var(--orange);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

.page-news .version-panel[open] ul {
  animation: news-panel-in 0.3s ease;
}

@keyframes news-panel-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* 04 专题与系列 */
.page-news .news-feature {
  background:
    radial-gradient(circle at 92% 12%, rgba(255, 111, 0, 0.14), transparent 34%),
    var(--bg-deep);
  border-top: 1px solid var(--line-glass);
}

.page-news .feature-grid {
  display: grid;
  gap: 16px;
}

.page-news .feature-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-glass);
  border-radius: var(--radius);
  background: var(--bg-mid);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-news .feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-electric);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.3);
}

.page-news .feature-card .media-frame {
  margin: 0;
  border-radius: 0;
}

.page-news .feature-card--lead .media-frame {
  aspect-ratio: 4 / 3;
}

.page-news .feature-card--orange {
  border-top: 3px solid var(--orange);
  background:
    linear-gradient(135deg, rgba(255, 111, 0, 0.12), transparent 55%),
    var(--bg-mid);
}

.page-news .feature-card--gold {
  border-top: 3px solid var(--gold);
  background:
    linear-gradient(135deg, rgba(255, 213, 79, 0.1), transparent 55%),
    var(--bg-mid);
}

.page-news .feature-inner {
  padding: 20px;
}

.page-news .feature-inner h3 {
  margin: 12px 0 10px;
  font-family: var(--font-head);
  font-size: 22px;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-main);
}

.page-news .feature-inner p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-second);
}

/* 帮助入口 */
.page-news .news-help {
  background: linear-gradient(180deg, rgba(11, 16, 38, 1), rgba(29, 37, 71, 0.45));
  border-top: 1px solid var(--line-glass);
}

.page-news .news-help__panel {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 24px 22px;
  border: 1px solid rgba(255, 111, 0, 0.3);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(30, 136, 229, 0.12), transparent 52%),
    var(--bg-mid);
  box-shadow: var(--shadow-deep);
}

.page-news .news-help__info h2 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 26px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-main);
}

.page-news .news-help__info p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-second);
}

.page-news .news-help__info .news-help__sub {
  margin-bottom: 0;
  color: var(--text-weak);
  font-size: 13px;
}

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

/* 平板 */
@media (min-width: 640px) {
  .page-news .news-latest,
  .page-news .news-rules,
  .page-news .news-version,
  .page-news .news-feature,
  .page-news .news-help {
    padding: 52px 0;
  }

  .page-news .timeline-body {
    padding: 22px 24px;
  }

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

  .page-news .feature-card--lead {
    grid-column: 1 / -1;
  }

  .page-news .news-help__panel {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }

  .page-news .news-help__actions {
    flex-shrink: 0;
  }
}

/* 桌面 */
@media (min-width: 960px) {
  .page-news .news-latest,
  .page-news .news-rules,
  .page-news .news-version,
  .page-news .news-feature,
  .page-news .news-help {
    padding: 68px 0;
  }

  .page-news .news-hero {
    padding: 40px 0 56px;
  }

  .page-news .news-hero h1 {
    font-size: 54px;
  }

  .page-news .section-head {
    margin-bottom: 32px;
  }

  .page-news .tag-bar {
    gap: 10px;
  }

  .page-news .timeline-item--lead {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-news .timeline-item--lead .timeline-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 32px;
  }

  .page-news .version-grid {
    grid-template-columns: minmax(260px, 340px) minmax(0, 1fr);
    align-items: start;
    gap: 36px;
  }

  .page-news .version-phone {
    margin-inline: 0;
    width: 100%;
  }

  .page-news .feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-news .feature-card--lead {
    grid-column: span 2;
    grid-row: span 2;
  }

  .page-news .feature-card--lead .feature-inner {
    padding: 28px;
  }

  .page-news .news-help__panel {
    padding: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}