.page-news {
  --news-gold-soft: rgba(201, 160, 99, 0.12);
  --news-gold-faint: rgba(201, 160, 99, 0.06);
  --news-gold-line: 1px solid rgba(201, 160, 99, 0.3);
  --news-gold-dash: 1px dashed rgba(201, 160, 99, 0.35);
  --news-ivory: #F5F5F0;
  --news-silver: #A0A0A0;
  background-color: var(--color-bg);
  color: var(--color-ivory);
}

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

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

.page-news .news-masthead {
  position: relative;
  padding: 56px 0 40px;
  overflow: hidden;
}

.page-news .news-masthead::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 44%;
  height: 100%;
  background: repeating-linear-gradient(135deg, rgba(201, 160, 99, 0.05) 0 2px, transparent 2px 10px);
  pointer-events: none;
}

.page-news .masthead-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
}

.page-news .breadcrumb {
  margin-bottom: 20px;
}

.page-news .breadcrumb-link {
  color: var(--news-silver);
  transition: color 0.2s var(--ease-out);
}

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

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

.page-news .masthead-main .section-label {
  display: inline-block;
  margin-bottom: 10px;
}

.page-news .masthead-main h1 {
  font-family: var(--font-heading);
  font-size: clamp(30px, 6vw, 48px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-gold-light);
  margin: 0 0 16px;
  letter-spacing: 0.04em;
}

.page-news .masthead-desc {
  color: var(--news-ivory);
  font-size: 16px;
  line-height: 1.8;
  max-width: 480px;
  margin: 0;
}

.page-news .masthead-note {
  position: relative;
  border: var(--news-gold-line);
  background: linear-gradient(135deg, rgba(201, 160, 99, 0.12), rgba(201, 160, 99, 0.02));
  padding: 24px;
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
}

.page-news .masthead-note .alert-tag {
  display: inline-block;
  margin-bottom: 12px;
}

.page-news .masthead-note p {
  color: var(--news-silver);
  font-size: 14px;
  line-height: 1.8;
  margin: 0 0 16px;
}

.page-news .masthead-note .link-arrow {
  color: var(--color-gold-light);
  font-size: 14px;
  font-weight: 500;
}

.page-news .news-layout {
  display: grid;
  gap: 48px;
  padding: 8px 0 72px;
}

.page-news .section-heading {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  border-bottom: 1px solid rgba(201, 160, 99, 0.3);
  padding-bottom: 20px;
  margin-bottom: 28px;
}

.page-news .heading-index {
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--color-gold-deep);
  border: 1px solid rgba(201, 160, 99, 0.6);
  padding: 8px 12px;
  transform: skewX(-8deg);
}

.page-news .section-heading h2 {
  font-family: var(--font-heading);
  font-size: 28px;
  line-height: 1.3;
  color: var(--color-gold-light);
  margin: 0 0 6px;
}

.page-news .section-heading p {
  color: var(--news-silver);
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
}

.page-news .filter-tabs {
  margin-bottom: 24px;
}

.page-news .filter-tabs .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .filter-tabs .tab-trigger {
  background: transparent;
  border: 1px solid rgba(201, 160, 99, 0.4);
  color: var(--news-silver);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1;
  padding: 10px 18px;
  cursor: pointer;
  transition: background 0.25s var(--ease-out), color 0.25s var(--ease-out), border-color 0.25s var(--ease-out);
}

.page-news .filter-tabs .tab-trigger:hover,
.page-news .filter-tabs .tab-trigger:focus-visible {
  color: var(--color-ivory);
  border-color: var(--color-gold-light);
  background: rgba(201, 160, 99, 0.12);
  outline: none;
}

.page-news .filter-tabs .tab-trigger[aria-selected="true"] {
  color: var(--color-ivory);
  border-color: var(--color-gold-light);
  background: rgba(201, 160, 99, 0.22);
  box-shadow: 0 0 0 1px rgba(201, 160, 99, 0.3);
}

.page-news .tab-panel {
  border: 1px solid rgba(201, 160, 99, 0.16);
  background: rgba(201, 160, 99, 0.03);
  padding: 24px;
  margin-bottom: 16px;
}

.page-news .panel-label {
  font-family: var(--font-heading);
  font-size: 18px;
  line-height: 1.4;
  color: var(--color-gold-deep);
  margin: 0 0 20px;
  padding-bottom: 12px;
  border-bottom: var(--news-gold-dash);
  letter-spacing: 0.08em;
}

.page-news .featured-article {
  display: grid;
  gap: 20px;
  margin-bottom: 28px;
}

.page-news .featured-media {
  position: relative;
  background: rgba(201, 160, 99, 0.05);
  border: 1px solid rgba(201, 160, 99, 0.45);
  overflow: hidden;
}

.page-news .featured-media::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(201, 160, 99, 0.22);
  pointer-events: none;
}

.page-news .featured-content h3 {
  font-family: var(--font-heading);
  font-size: 21px;
  line-height: 1.45;
  color: var(--color-ivory);
  margin: 0 0 12px;
  position: relative;
  display: inline-block;
}

.page-news .featured-content h3::after,
.page-news .index-body h3::after,
.page-news .article-card h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: var(--color-gold-deep);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease-out);
}

.page-news .featured-article:hover h3::after,
.page-news .index-item:hover h3::after,
.page-news .article-card:hover h4::after {
  transform: scaleX(1);
}

.page-news .featured-content p {
  color: var(--news-silver);
  font-size: 14px;
  line-height: 1.8;
  margin: 0;
}

.page-news .article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
}

.page-news .article-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  color: var(--color-gold-light);
  border: 1px solid rgba(201, 160, 99, 0.6);
  background: rgba(201, 160, 99, 0.08);
  padding: 5px 10px;
  clip-path: polygon(6px 0, calc(100% - 6px) 0, 100% 50%, calc(100% - 6px) 100%, 6px 100%, 0 50%);
}

.page-news .article-time,
.page-news .article-read {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-silver);
}

.page-news .article-index {
  border-top: 1px solid rgba(201, 160, 99, 0.18);
}

.page-news .index-item {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-start;
  padding: 24px 0;
  border-bottom: 1px solid rgba(201, 160, 99, 0.14);
}

.page-news .index-no {
  flex: 0 0 36px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-gold-dark);
  padding-top: 3px;
}

.page-news .index-body {
  flex: 1 1 calc(100% - 52px);
  min-width: 0;
}

.page-news .index-body .article-tag {
  margin-bottom: 10px;
}

.page-news .index-body h3 {
  font-family: var(--font-heading);
  font-size: 19px;
  line-height: 1.45;
  color: var(--color-ivory);
  margin: 0 0 10px;
  position: relative;
  display: inline-block;
}

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

.page-news .index-date {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-gold-dark);
  margin-top: 10px;
}

.page-news .index-item--thumb img {
  width: 88px;
  height: 88px;
  object-fit: cover;
  border: 1px solid rgba(201, 160, 99, 0.35);
  background: rgba(201, 160, 99, 0.06);
}

.page-news .article-card {
  position: relative;
  padding: 26px 22px 22px;
  border: 1px solid rgba(201, 160, 99, 0.22);
  border-left: 3px solid var(--color-gold-deep);
  background: linear-gradient(135deg, rgba(201, 160, 99, 0.07), rgba(0, 0, 0, 0.12));
  margin-bottom: 20px;
  transition: background 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
}

.page-news .article-card:hover {
  border-left-color: var(--color-gold-light);
  background: rgba(201, 160, 99, 0.1);
}

.page-news .article-card h4 {
  font-family: var(--font-heading);
  font-size: 18px;
  line-height: 1.45;
  color: var(--color-ivory);
  margin: 0 0 12px;
  position: relative;
  display: inline-block;
}

.page-news .article-card p {
  color: var(--news-silver);
  font-size: 14px;
  line-height: 1.8;
  margin: 0 0 14px;
}

.page-news .article-card ul {
  padding-left: 18px;
  margin: 0 0 16px;
  color: var(--news-silver);
  font-size: 14px;
  line-height: 1.9;
}

.page-news .article-card li::marker {
  color: var(--color-gold-deep);
}

.page-news .article-card .card-link {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid rgba(201, 160, 99, 0.18);
}

.page-news .article-card .card-link a {
  color: var(--color-gold-light);
  font-size: 14px;
  font-weight: 500;
  border-bottom: 1px solid rgba(201, 160, 99, 0.35);
  transition: border-color 0.2s var(--ease-out);
}

.page-news .article-card .card-link a:hover {
  border-bottom-color: var(--color-gold-light);
}

.page-news .update-sidebar {
  position: relative;
}

.page-news .update-log {
  position: relative;
  border: 1px solid rgba(201, 160, 99, 0.32);
  padding: 28px 24px;
  overflow: hidden;
  background: rgba(10, 10, 10, 0.75);
}

.page-news .update-log-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.5;
}

.page-news .update-log-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .update-log-header {
  position: relative;
  z-index: 1;
}

.page-news .update-log-header .section-label {
  display: inline-block;
  margin-bottom: 10px;
}

.page-news .update-log-header h2 {
  font-family: var(--font-heading);
  font-size: 24px;
  line-height: 1.3;
  color: var(--color-gold-light);
  margin: 0 0 8px;
}

.page-news .update-log-header p {
  color: var(--news-silver);
  font-size: 13px;
  line-height: 1.6;
  margin: 0;
}

.page-news .version-timeline {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 24px 0 0;
  padding: 0 0 0 22px;
  border-left: 1px solid rgba(201, 160, 99, 0.45);
}

.page-news .timeline-item {
  position: relative;
  margin-bottom: 28px;
}

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

.page-news .timeline-dot {
  position: absolute;
  left: -26px;
  top: 5px;
  width: 9px;
  height: 9px;
  background: var(--color-gold-light);
  box-shadow: 0 0 12px rgba(240, 215, 123, 0.55);
  transform: rotate(45deg);
}

.page-news .timeline-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

.page-news .timeline-head h3 {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.4;
  color: var(--color-gold-light);
  margin: 0;
}

.page-news .timeline-time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-silver);
  white-space: nowrap;
}

.page-news .timeline-body > p {
  color: var(--news-silver);
  font-size: 13px;
  line-height: 1.7;
  margin: 6px 0 10px;
}

.page-news .timeline-body details summary {
  cursor: pointer;
  list-style: none;
  color: var(--color-gold-deep);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.6;
  transition: color 0.2s var(--ease-out);
}

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

.page-news .timeline-body summary::before {
  content: "+ ";
  font-family: var(--font-mono);
}

.page-news .timeline-body details[open] summary::before {
  content: "– ";
}

.page-news .timeline-body details summary:hover {
  color: var(--color-gold-light);
}

.page-news .timeline-body details p {
  color: var(--news-silver);
  font-size: 13px;
  line-height: 1.7;
  margin: 10px 0 0;
  padding-left: 14px;
  border-left: 1px solid rgba(201, 160, 99, 0.25);
}

.page-news .sidebar-linkcard {
  margin-top: 24px;
  border: var(--news-gold-dash);
  padding: 24px;
}

.page-news .sidebar-linkcard h3 {
  font-family: var(--font-heading);
  font-size: 17px;
  line-height: 1.4;
  color: var(--color-gold-deep);
  margin: 0 0 16px;
}

.page-news .sidebar-linkcard ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-news .sidebar-linkcard li + li {
  margin-top: 12px;
}

.page-news .sidebar-linkcard a {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-ivory);
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

.page-news .sidebar-linkcard a:hover {
  color: var(--color-gold-light);
  border-bottom-color: var(--color-gold-light);
}

.page-news .feature-series {
  position: relative;
  background: linear-gradient(160deg, rgba(140, 108, 30, 0.2), rgba(0, 0, 0, 0.5));
  border-top: 1px solid rgba(201, 160, 99, 0.25);
  border-bottom: 1px solid rgba(201, 160, 99, 0.25);
  padding: 64px 0;
}

.page-news .series-header {
  display: grid;
  gap: 16px;
  margin-bottom: 32px;
}

.page-news .series-title .section-label {
  display: inline-block;
  margin-bottom: 10px;
}

.page-news .series-header h2 {
  font-family: var(--font-heading);
  font-size: 28px;
  line-height: 1.3;
  color: var(--color-gold-light);
  margin: 0;
}

.page-news .series-intro {
  color: var(--news-silver);
  font-size: 14px;
  line-height: 1.8;
  max-width: 560px;
  margin: 0;
}

.page-news .series-cover {
  max-width: 600px;
  margin-bottom: 32px;
  border: 1px solid rgba(201, 160, 99, 0.35);
  background: rgba(0, 0, 0, 0.3);
  overflow: hidden;
}

.page-news .series-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 36px;
}

.page-news .series-item {
  display: block;
  padding: 24px;
  border: 1px solid rgba(201, 160, 99, 0.4);
  background: rgba(201, 160, 99, 0.06);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: background 0.25s var(--ease-out), transform 0.25s var(--ease-out), border-color 0.25s var(--ease-out);
}

.page-news .series-item:hover {
  background: rgba(201, 160, 99, 0.14);
  border-color: var(--color-gold-light);
  transform: translateY(-2px);
}

.page-news .series-no {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
  color: var(--color-gold-dark);
  margin-bottom: 12px;
}

.page-news .series-name {
  display: block;
  font-family: var(--font-heading);
  font-size: 18px;
  line-height: 1.4;
  color: var(--color-gold-light);
  margin-bottom: 8px;
}

.page-news .series-note {
  display: block;
  font-size: 13px;
  line-height: 1.6;
  color: var(--news-silver);
}

.page-news .series-entries {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 36px;
}

.page-news .series-entry {
  border: 1px solid rgba(201, 160, 99, 0.18);
  background: rgba(0, 0, 0, 0.25);
  padding: 20px;
}

.page-news .series-entry h3 {
  font-family: var(--font-heading);
  font-size: 16px;
  line-height: 1.4;
  color: var(--color-gold-deep);
  margin: 0 0 8px;
}

.page-news .series-entry p {
  color: var(--news-silver);
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}

.page-news .series-footer-note {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  border-top: 1px solid rgba(201, 160, 99, 0.3);
  padding-top: 28px;
}

.page-news .series-footer-note p {
  color: var(--color-ivory);
  font-size: 15px;
  line-height: 1.8;
  margin: 0;
  max-width: 680px;
}

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

.page-news .reading-guide {
  padding: 40px 0 64px;
}

.page-news .reading-guide p {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  color: var(--news-silver);
  font-size: 14px;
  line-height: 1.8;
}

@media (min-width: 720px) {
  .page-news .news-masthead {
    padding: 72px 0 48px;
  }

  .page-news .masthead-grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: end;
    gap: 40px;
  }

  .page-news .index-body h3 {
    font-size: 20px;
  }

  .page-news .index-item--thumb img {
    width: 120px;
    height: 120px;
  }

  .page-news .index-no {
    flex-basis: 44px;
  }

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

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

  .page-news .series-footer-note {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-news .news-layout {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 56px;
    align-items: start;
  }

  .page-news .news-primary {
    padding-top: 8px;
  }

  .page-news .featured-article {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: center;
    gap: 28px;
  }

  .page-news .featured-media {
    margin-bottom: 0;
  }

  .page-news .featured-content h3 {
    font-size: 23px;
  }

  .page-news .tab-panel {
    padding: 32px;
  }

  .page-news .update-log {
    padding: 32px 28px;
  }

  .page-news .series-header {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    align-items: end;
    gap: 40px;
  }

  .page-news .series-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}