.page-news {
  position: relative;
  background: var(--bg-night);
  color: var(--text-paper);
  overflow-x: hidden;
}

.page-news img {
  max-width: 100%;
  height: auto;
}

.page-news .breadcrumb {
  padding-top: 24px;
}

.page-news__masthead {
  position: relative;
  padding: 40px 0 20px;
  display: grid;
  gap: 24px;
  background-image:
    linear-gradient(rgba(138, 148, 166, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(138, 148, 166, 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
}

.page-news__masthead-copy {
  position: relative;
  z-index: 1;
}

.page-news__title {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5.2rem);
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-news__title-accent {
  color: var(--accent-orange);
  position: relative;
  display: inline-block;
}

.page-news__title-accent::after {
  content: "";
  position: absolute;
  left: 2px;
  bottom: -2px;
  width: 34px;
  height: 10px;
  background: linear-gradient(90deg, var(--accent-orange), rgba(255, 122, 0, 0.1));
  clip-path: polygon(0 0, 100% 0, calc(100% - 6px) 100%, 6px 100%);
}

.page-news__masthead-desc {
  margin: 0 0 18px;
  max-width: 560px;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-mist);
}

.page-news__masthead-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-size: 0.875rem;
  color: var(--text-mist);
  border-left: 2px solid var(--accent-gold);
  padding-left: 14px;
}

.page-news__masthead-sep {
  width: 4px;
  height: 4px;
  background: var(--accent-orange);
  transform: rotate(45deg);
  flex: 0 0 auto;
}

.page-news__masthead-media {
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.2);
  position: relative;
}

.page-news__masthead-media::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, transparent 50%, var(--accent-orange) 50%);
  z-index: 1;
}

.page-news__section {
  padding: 48px 0 8px;
}

.page-news__section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.page-news__section-head .section-title {
  margin: 6px 0 0;
}

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

.page-news__filter-hint {
  font-size: 0.75rem;
  color: var(--text-mist);
  letter-spacing: 0.08em;
  margin-right: 4px;
}

.page-news__filter-btn {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  line-height: 1;
  color: var(--text-mist);
  background: transparent;
  border: 1px solid rgba(138, 148, 166, 0.35);
  padding: 8px 12px;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 6px 100%, 0 calc(100% - 6px));
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-news__filter-btn:hover,
.page-news__filter-btn.is-active {
  color: var(--accent-gold);
  border-color: var(--accent-gold);
  background: rgba(212, 175, 55, 0.08);
}

.page-news__feature-grid {
  display: grid;
  gap: 20px;
  margin-bottom: 32px;
}

.page-news__feature-card {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid rgba(138, 148, 166, 0.16);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-news__feature-card:hover {
  border-color: rgba(212, 175, 55, 0.4);
  box-shadow: 0 0 0 1px rgba(212, 175, 55, 0.12);
}

.page-news__feature-card--media {
  background: linear-gradient(140deg, var(--bg-panel), var(--bg-night));
}

.page-news__feature-card::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 90px;
  height: 20px;
  background: linear-gradient(135deg, transparent 50%, rgba(255, 122, 0, 0.55) 50%);
  pointer-events: none;
}

.page-news__feature-media {
  overflow: hidden;
  border: 1px solid rgba(138, 148, 166, 0.2);
}

.page-news__feature-content {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.page-news__feature-meta,
.page-news__timeline-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-news__feature-date,
.page-news__timeline-meta .mono {
  font-size: 0.75rem;
  color: var(--text-mist);
}

.page-news__feature-content h3,
.page-news__timeline-content h3,
.page-news__version-item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.375rem;
  line-height: 1.3;
  font-weight: 800;
}

.page-news__feature-summary,
.page-news__timeline-content p,
.page-news__version-item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-mist);
}

.page-news__expand-btn {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  padding: 4px 0;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--accent-orange);
  cursor: pointer;
  transition: color 0.2s ease;
}

.page-news__expand-btn:hover {
  color: var(--accent-gold);
}

.page-news__expand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border: 1px solid currentColor;
  font-size: 0.9375rem;
  line-height: 1;
  transition: transform 0.25s ease, background-color 0.25s ease;
  clip-path: polygon(0 0, calc(100% - 5px) 0, 100% 5px, 100% 100%, 5px 100%, 0 calc(100% - 5px));
}

.page-news__expand-btn[aria-expanded="true"] .page-news__expand-icon {
  transform: rotate(45deg);
  background: rgba(255, 122, 0, 0.12);
}

.page-news__news-detail {
  display: none;
  margin-top: 8px;
  padding: 14px 16px;
  border-left: 2px solid var(--accent-gold);
  background: rgba(11, 14, 20, 0.6);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-paper);
}

.page-news__news-detail[data-open] {
  display: block;
}

.page-news__news-detail p,
.page-news__news-detail ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news__news-detail li {
  padding: 4px 0;
  font-size: 0.875rem;
  color: var(--text-mist);
}

.page-news__news-detail li::before {
  content: "/ ";
  color: var(--accent-orange);
  font-family: var(--font-mono);
}

.page-news__timeline {
  position: relative;
  padding-left: 24px;
  border-left: 1px solid rgba(138, 148, 166, 0.28);
  margin-bottom: 36px;
}

.page-news__timeline-item {
  position: relative;
  padding: 22px 0 22px 20px;
  border-bottom: 1px solid rgba(138, 148, 166, 0.12);
}

.page-news__timeline-dot {
  position: absolute;
  left: -29px;
  top: 30px;
  width: 10px;
  height: 10px;
  background: var(--accent-orange);
  transform: rotate(45deg);
  box-shadow: 0 0 0 3px rgba(255, 122, 0, 0.16);
}

.page-news__timeline-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-news__pager {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 20px 0 32px;
  border-top: 1px solid rgba(138, 148, 166, 0.1);
}

.page-news__pager-dot {
  width: 7px;
  height: 7px;
  background: rgba(138, 148, 166, 0.45);
  transform: rotate(45deg);
  transition: background-color 0.2s ease;
}

.page-news__pager-dot.is-active {
  background: var(--accent-orange);
}

.page-news__pager-label {
  font-size: 0.75rem;
  color: var(--text-mist);
  margin-left: 8px;
}

.page-news__pager-more {
  font-size: 0.8125rem;
  color: var(--text-mist);
  margin-left: auto;
}

.page-news__section--topic {
  padding-top: 8px;
}

.page-news__topic-card {
  position: relative;
  background: linear-gradient(160deg, var(--bg-panel), rgba(21, 27, 35, 0.8) 60%, rgba(11, 14, 20, 0.9));
  padding: 28px 24px 36px;
  overflow: hidden;
}

.page-news__topic-card::before {
  content: "FOCUS / 射门算法";
  position: absolute;
  right: -10px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.2em;
  color: rgba(212, 175, 55, 0.32);
  transform: rotate(90deg);
  transform-origin: right top;
  white-space: nowrap;
}

.page-news__topic-card::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 220px;
  height: 28px;
  background: linear-gradient(135deg, transparent 50%, var(--accent-orange) 50%);
  opacity: 0.7;
}

.page-news__topic-head {
  margin-bottom: 22px;
}

.page-news__topic-head .section-title {
  margin: 6px 0 0;
}

.page-news__topic-grid {
  display: grid;
  gap: 28px;
}

.page-news__topic-copy {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-news__topic-lede {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-paper);
  max-width: 640px;
}

.page-news__topic-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-news__topic-list li {
  position: relative;
  padding-left: 56px;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--text-mist);
}

.page-news__topic-num {
  position: absolute;
  left: 0;
  top: 0;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--accent-gold);
  background: rgba(212, 175, 55, 0.08);
  border-bottom: 1px solid rgba(212, 175, 55, 0.45);
  padding: 4px 10px;
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 6px 100%, 0 calc(100% - 6px));
}

.page-news__quote {
  margin: 8px 0 0;
  padding: 18px 20px;
  border-left: 3px solid var(--accent-orange);
  background: rgba(11, 14, 20, 0.55);
}

.page-news__quote p {
  margin: 0 0 8px;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-paper);
  font-weight: 600;
}

.page-news__quote cite {
  font-style: normal;
  font-size: 0.8125rem;
  color: var(--accent-gold);
}

.page-news__text-link {
  display: inline-block;
  margin-top: 6px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--accent-orange);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-news__text-link:hover {
  color: var(--accent-gold);
}

.page-news__topic-media {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-news__topic-media .img-frame {
  border: 1px solid rgba(138, 148, 166, 0.18);
}

.page-news__shotmap {
  background: var(--bg-night);
  border: 1px solid rgba(212, 175, 55, 0.22);
  padding: 12px;
}

.page-news__shotmap svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-news__section--leagues {
  padding-top: 40px;
}

.page-news__leagues-head {
  margin-bottom: 26px;
}

.page-news__leagues-head .section-title {
  margin: 6px 0 10px;
}

.page-news__leagues-head p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-mist);
  max-width: 640px;
}

.page-news__leagues-grid {
  display: grid;
  gap: 24px;
}

.page-news__leagues-media .img-frame {
  border: 1px solid rgba(138, 148, 166, 0.16);
}

.page-news__leagues-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid rgba(138, 148, 166, 0.2);
}

.page-news__league-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 4px;
  border-bottom: 1px solid rgba(138, 148, 166, 0.14);
  transition: background-color 0.2s ease;
}

.page-news__league-row:hover {
  background: rgba(212, 175, 55, 0.05);
}

.page-news__league-code {
  color: var(--accent-gold);
  font-size: 0.8125rem;
  width: 36px;
}

.page-news__league-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-paper);
  min-width: 48px;
}

.page-news__league-status {
  margin-left: auto;
  font-size: 0.8125rem;
  color: var(--data-green);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.page-news__leagues-note {
  margin: 16px 0 0;
  font-size: 0.8125rem;
  color: var(--text-mist);
  line-height: 1.6;
}

.page-news__section--versions {
  padding-top: 40px;
}

.page-news__versions-head {
  margin-bottom: 26px;
}

.page-news__versions-head .section-title {
  margin: 6px 0 0;
}

.page-news__versions-grid {
  display: grid;
  gap: 28px;
}

.page-news__versions-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-news__version-item {
  background: var(--bg-panel);
  border-left: 3px solid var(--accent-gold);
  padding: 20px 20px 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-news__version-head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.page-news__version-tag {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--accent-gold);
  border: 1px solid rgba(212, 175, 55, 0.4);
  background: rgba(212, 175, 55, 0.08);
  padding: 4px 10px;
  clip-path: polygon(0 0, calc(100% - 5px) 0, 100% 5px, 100% 100%, 5px 100%, 0 calc(100% - 5px));
}

.page-news__version-label {
  font-size: 0.75rem;
  color: var(--text-mist);
  letter-spacing: 0.08em;
}

.page-news__versions-media {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-news__versions-media .img-frame {
  border: 1px solid rgba(138, 148, 166, 0.16);
}

.page-news__versions-note {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--text-mist);
}

.page-news__versions-footer {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px solid rgba(138, 148, 166, 0.14);
}

.page-news__versions-sep {
  color: var(--text-mist);
  opacity: 0.5;
}

.page-news__bottom-cta {
  margin-top: 48px;
  padding: 48px 0;
  background: linear-gradient(100deg, rgba(255, 122, 0, 0.16) 0%, rgba(11, 14, 20, 0) 60%);
  border-top: 1px solid rgba(255, 122, 0, 0.3);
}

.page-news__bottom-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.page-news__bottom-copy h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.75rem;
  line-height: 1.2;
  font-weight: 800;
}

.page-news__bottom-copy p {
  margin: 0;
  color: var(--text-mist);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.page-news__bottom-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 768px) {
  .page-news__masthead {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 32px;
    padding: 56px 0 40px;
  }

  .page-news__feature-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-news__feature-card--media {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: center;
  }

  .page-news__feature-card--media .page-news__feature-media {
    flex: 0 0 42%;
  }

  .page-news__topic-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .page-news__topic-media {
    order: 2;
  }

  .page-news__leagues-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 36px;
  }

  .page-news__versions-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
    gap: 40px;
  }

  .page-news__versions-media {
    position: sticky;
    top: 24px;
  }
}

@media (min-width: 1024px) {
  .page-news__masthead {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    padding: 64px 0 48px;
  }

  .page-news__feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-news__feature-card--media {
    grid-column: 1 / -1;
  }

  .page-news__section {
    padding: 64px 0 8px;
  }

  .page-news__section--topic,
  .page-news__section--versions,
  .page-news__section--leagues {
    padding-top: 48px;
  }

  .page-news__timeline-item {
    padding-right: 32px;
  }

  .page-news__pager {
    padding: 24px 0 40px;
  }
}