.page-news {
  --news-bg-deep: #0B1020;
  --news-bg-panel: #131A2B;
  --news-bg-layer: #1A2340;
  --news-blue: #00B3FF;
  --news-green: #B6FF00;
  --news-orange: #FF4D2E;
  --news-text: #F2F5FF;
  --news-text-dim: #A0AAC0;
  --news-data: #8CE0FF;
  --news-border: rgba(255, 255, 255, 0.16);
  --news-border-strong: rgba(255, 255, 255, 0.32);
  --news-gradient: linear-gradient(90deg, #00B3FF, #B6FF00);
  --news-shadow-hard: 4px 4px 0 rgba(0, 0, 0, 0.5);
  --news-font-head: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --news-font-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --news-font-data: "JetBrains Mono", "Roboto Mono", "SF Mono", "Cascadia Code", Consolas, monospace;
  background: var(--news-bg-deep);
  color: var(--news-text);
  font-family: var(--news-font-body);
}

.page-news .container {
  max-width: var(--content-max, 1400px);
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

.page-news a {
  color: var(--news-blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease, background-color 0.15s ease;
}

.page-news a:hover,
.page-news a:focus-visible {
  color: var(--news-green);
  border-bottom-color: var(--news-green);
  outline: none;
}

.page-news .btn:focus-visible {
  outline: 2px solid var(--news-green);
  outline-offset: 2px;
}

.page-news .news-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--news-border);
}

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

.page-news .issue-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--news-green);
  box-shadow: 0 0 8px var(--news-green);
}

.page-news .issue-text {
  font-family: var(--news-font-data);
  font-size: 12px;
  color: var(--news-text-dim);
  letter-spacing: 0.4px;
}

.page-news .news-masthead {
  padding-top: 48px;
  padding-bottom: 40px;
  position: relative;
}

.page-news .news-masthead-index {
  font-family: var(--news-font-data);
  font-size: 14px;
  color: var(--news-data);
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.page-news .news-masthead-title {
  font-size: 48px;
  font-weight: 900;
  font-family: var(--news-font-head);
  line-height: 1.05;
  margin: 0 0 16px 0;
  letter-spacing: -0.02em;
  position: relative;
  display: inline-block;
}

.page-news .news-masthead-title::after {
  content: "";
  display: block;
  width: 88px;
  height: 4px;
  background: var(--news-gradient);
  margin-top: 12px;
}

.page-news .news-masthead-sub {
  font-size: 16px;
  line-height: 1.7;
  color: var(--news-text-dim);
  max-width: 680px;
  margin: 0;
}

.page-news .news-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  padding-bottom: 32px;
}

.page-news .news-dir {
  display: none;
  border-right: 1px solid var(--news-border);
  height: fit-content;
}

.page-news .dir-title {
  padding: 24px 20px 12px 0;
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-news .dir-title-mark {
  font-family: var(--news-font-data);
  font-size: 12px;
  color: var(--news-green);
  letter-spacing: 2px;
  font-weight: 700;
}

.page-news .dir-title-label {
  font-size: 13px;
  color: var(--news-text-dim);
}

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

.page-news .dir-link {
  display: block;
  padding: 10px 4px 10px 10px;
  font-size: 14px;
  color: var(--news-text-dim);
  border-left: 3px solid transparent;
  border-bottom: none;
}

.page-news .dir-link:hover,
.page-news .dir-link:focus-visible {
  color: var(--news-text);
  background: var(--news-bg-panel);
  border-left-color: var(--news-blue);
  border-bottom: none;
}

.page-news .dir-link.is-active {
  color: var(--news-text);
  border-left-color: var(--news-green);
  background: linear-gradient(90deg, rgba(182, 255, 0, 0.08), transparent);
  font-weight: 700;
}

.page-news .dir-foot {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--news-border);
}

.page-news .dir-foot-note {
  display: block;
  font-family: var(--news-font-data);
  font-size: 12px;
  color: var(--news-text-dim);
  margin-bottom: 12px;
}

.page-news .dir-foot-rule {
  display: block;
  width: 32px;
  height: 2px;
  background: var(--news-border-strong);
}

.page-news .news-dir-mobile {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--news-border);
}

.page-news .dir-chip {
  font-size: 13px;
  font-family: var(--news-font-data);
  color: var(--news-text-dim);
  padding: 6px 12px;
  border: 1px solid var(--news-border);
  border-radius: 2px;
  background: transparent;
  border-bottom: 1px solid var(--news-border);
}

.page-news .dir-chip:hover,
.page-news .dir-chip:focus-visible {
  color: var(--news-text);
  border-color: var(--news-blue);
}

.page-news .dir-chip.is-active {
  color: var(--news-bg-deep);
  background: var(--news-green);
  border-color: var(--news-green);
  border-bottom: 1px solid var(--news-green);
  font-weight: 700;
}

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

.page-news .feature-story {
  margin-bottom: 56px;
  background: var(--news-bg-panel);
  border: 2px solid var(--news-border);
  box-shadow: var(--news-shadow-hard);
  position: relative;
  overflow: hidden;
}

.page-news .feature-story::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 210px;
  height: 210px;
  background: linear-gradient(135deg, rgba(0, 179, 255, 0.34), rgba(182, 255, 0, 0.14));
  clip-path: polygon(100% 0, 0 0, 100% 100%);
  z-index: 0;
  pointer-events: none;
}

.page-news .feature-story-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.page-news .feature-story-body {
  position: relative;
  z-index: 1;
  padding: 24px 20px 28px;
}

.page-news .feature-story-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.page-news .feature-story-tag-mark {
  font-family: var(--news-font-data);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--news-bg-deep);
  background: var(--news-orange);
  padding: 3px 8px;
  border-radius: 2px;
}

.page-news .feature-story-tag-label {
  font-size: 13px;
  color: var(--news-text-dim);
  letter-spacing: 1px;
}

.page-news .feature-story-title {
  font-size: 32px;
  line-height: 1.2;
  font-weight: 900;
  margin: 0 0 14px 0;
  font-family: var(--news-font-head);
  letter-spacing: -0.01em;
}

.page-news .feature-story-lead {
  font-size: 16px;
  line-height: 1.7;
  color: var(--news-text-dim);
  margin: 0 0 16px 0;
}

.page-news .feature-story-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 0 0 16px 0;
  border-top: 1px solid var(--news-border);
  border-bottom: 1px solid var(--news-border);
  padding: 10px 0;
}

.page-news .meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-right: 20px;
  margin-right: 20px;
  border-right: 1px solid var(--news-border);
}

.page-news .meta-item:last-child {
  border-right: none;
  margin-right: 0;
  padding-right: 0;
}

.page-news .meta-key {
  font-size: 12px;
  color: var(--news-text-dim);
  font-family: var(--news-font-data);
  margin: 0;
}

.page-news .meta-value {
  font-size: 15px;
  font-weight: 700;
  color: var(--news-text);
  margin: 0;
  font-family: var(--news-font-data);
}

.page-news .feature-story-excerpt {
  font-size: 15px;
  line-height: 1.7;
  color: var(--news-text-dim);
  margin: 0 0 20px 0;
  max-width: 640px;
}

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

.page-news .btn {
  display: inline-block;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  border: 2px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  font-family: var(--news-font-body);
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.page-news .btn-primary {
  background: var(--news-green);
  color: var(--news-bg-deep);
  border-color: var(--news-green);
}

.page-news .btn-primary:hover,
.page-news .btn-primary:focus-visible {
  background: transparent;
  color: var(--news-green);
  border-color: var(--news-green);
}

.page-news .btn-outline {
  background: transparent;
  color: var(--news-blue);
  border-color: var(--news-blue);
}

.page-news .btn-outline:hover,
.page-news .btn-outline:focus-visible {
  background: rgba(0, 179, 255, 0.12);
  color: var(--news-blue);
}

.page-news .story-block {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--news-border);
  scroll-margin-top: 80px;
}

.page-news .story-block-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 20px;
}

.page-news .story-block-number {
  font-family: var(--news-font-data);
  font-size: 32px;
  font-weight: 700;
  color: var(--news-data);
  line-height: 1;
  flex-shrink: 0;
  width: 48px;
}

.page-news .story-block-title {
  font-size: 20px;
  font-weight: 900;
  margin: 0 0 4px 0;
  font-family: var(--news-font-head);
}

.page-news .story-block-desc {
  font-size: 13px;
  color: var(--news-text-dim);
  margin: 0;
  line-height: 1.5;
}

.page-news .story-block-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  margin-bottom: 16px;
  border: 1px solid var(--news-border);
  border-radius: 2px;
  aspect-ratio: 10 / 7;
}

.page-news .story-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-news .story-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 12px;
  padding: 20px 0;
  border-bottom: 1px solid var(--news-border);
  position: relative;
  transition: background-color 0.15s ease;
}

.page-news .story-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: transparent;
  transition: background-color 0.15s ease;
}

.page-news .story-item:hover {
  background: linear-gradient(90deg, rgba(0, 179, 255, 0.06), transparent);
}

.page-news .story-item:hover::before {
  background: var(--news-green);
}

.page-news .story-item-index {
  font-family: var(--news-font-data);
  font-size: 13px;
  color: var(--news-data);
  line-height: 1.7;
  padding-top: 2px;
  transition: color 0.15s ease;
}

.page-news .story-item:hover .story-item-index {
  color: var(--news-green);
}

.page-news .story-item-title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  margin: 0 0 6px 0;
  font-family: var(--news-font-head);
}

.page-news .story-item-summary {
  font-size: 14px;
  line-height: 1.7;
  color: var(--news-text-dim);
  margin: 0 0 10px 0;
}

.page-news .story-item-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-family: var(--news-font-data);
}

.page-news .story-cat {
  display: inline-block;
  padding: 2px 8px;
  font-family: var(--news-font-data);
  font-size: 11px;
  letter-spacing: 0.5px;
  border-radius: 2px;
  font-weight: 500;
}

.page-news .cat-collect {
  color: var(--news-blue);
  background: rgba(0, 179, 255, 0.12);
  border: 1px solid rgba(0, 179, 255, 0.4);
}

.page-news .cat-update-label {
  color: var(--news-green);
  background: rgba(182, 255, 0, 0.1);
  border: 1px solid rgba(182, 255, 0, 0.4);
}

.page-news .cat-data-label {
  color: var(--news-data);
  background: rgba(140, 224, 255, 0.1);
  border: 1px solid rgba(140, 224, 255, 0.4);
}

.page-news .cat-trouble-label {
  color: var(--news-orange);
  background: rgba(255, 77, 46, 0.12);
  border: 1px solid rgba(255, 77, 46, 0.4);
}

.page-news .story-ref {
  color: var(--news-text-dim);
}

.page-news .story-link {
  font-size: 13px;
  border-bottom: none;
}

.page-news .story-link:hover {
  border-bottom-color: var(--news-green);
}

.page-news .changelog-wrap {
  margin: 56px 0 0 0;
  background:
    linear-gradient(90deg, rgba(0, 179, 255, 0.05), rgba(182, 255, 0, 0.04)),
    var(--news-bg-panel);
  border-top: 2px solid var(--news-border);
  border-bottom: 2px solid var(--news-border);
  padding: 48px 0;
}

.page-news .changelog-inner {
  min-width: 0;
}

.page-news .changelog-head {
  margin-bottom: 28px;
}

.page-news .changelog-head-index {
  font-family: var(--news-font-data);
  font-size: 12px;
  color: var(--news-green);
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.page-news .changelog-title {
  font-size: 28px;
  font-weight: 900;
  margin: 0 0 8px 0;
  font-family: var(--news-font-head);
}

.page-news .changelog-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--news-text-dim);
  max-width: 640px;
  margin: 0;
}

.page-news .changelog-scroll {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.page-news .changelog-node {
  background: var(--news-bg-deep);
  border: 2px solid var(--news-border-strong);
  border-radius: 2px;
  padding: 16px;
  cursor: default;
  transition: border-color 0.15s ease, background-color 0.15s ease;
  min-width: 0;
  position: relative;
}

.page-news .changelog-node:hover {
  border-color: var(--news-border-strong);
  background: var(--news-bg-layer);
}

.page-news .changelog-node:hover .changelog-node-title {
  color: var(--news-blue);
}

.page-news .changelog-node-index {
  font-family: var(--news-font-data);
  font-size: 18px;
  font-weight: 700;
  color: var(--news-text);
  margin-bottom: 6px;
}

.page-news .changelog-node-state {
  display: inline-block;
  font-family: var(--news-font-data);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 2px;
  margin-bottom: 8px;
  border: 1px solid;
}

.page-news .changelog-node-state.is-current {
  color: var(--news-green);
  border-color: var(--news-green);
  background: rgba(182, 255, 0, 0.08);
}

.page-news .changelog-node-state.is-fixed {
  color: var(--news-blue);
  border-color: var(--news-blue);
  background: rgba(0, 179, 255, 0.08);
}

.page-news .changelog-node-state.is-milestone {
  color: var(--news-data);
  border-color: var(--news-data);
  background: rgba(140, 224, 255, 0.08);
}

.page-news .changelog-node-state.is-history {
  color: var(--news-text-dim);
  border-color: var(--news-border-strong);
  background: transparent;
}

.page-news .changelog-node-title {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 10px 0;
  transition: color 0.15s ease;
}

.page-news .changelog-node-detail {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.2s ease, opacity 0.2s ease;
}

.page-news .changelog-node[data-open="true"] .changelog-node-detail {
  max-height: 200px;
  opacity: 1;
}

.page-news .changelog-node-detail li {
  font-size: 13px;
  line-height: 1.6;
  color: var(--news-text-dim);
  padding: 3px 0;
  position: relative;
  padding-left: 14px;
}

.page-news .changelog-node-detail li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--news-green);
  font-size: 11px;
}

.page-news .changelog-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  margin-top: 28px;
  border: 1px solid var(--news-border);
  border-radius: 2px;
}

.page-news .news-guide {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding-top: 48px;
  padding-bottom: 56px;
}

.page-news .guide-card {
  background: var(--news-bg-panel);
  border: 1px solid var(--news-border);
  border-radius: 2px;
  padding: 24px;
  position: relative;
  transition: border-color 0.15s ease;
}

.page-news .guide-card:hover {
  border-color: var(--news-border-strong);
}

.page-news .guide-card-accent {
  background: linear-gradient(135deg, rgba(0, 179, 255, 0.14), rgba(182, 255, 0, 0.06)), var(--news-bg-panel);
  border-color: rgba(0, 179, 255, 0.35);
}

.page-news .guide-card-index {
  font-family: var(--news-font-data);
  font-size: 14px;
  color: var(--news-data);
  display: block;
  margin-bottom: 12px;
}

.page-news .guide-card-accent .guide-card-index {
  color: var(--news-green);
}

.page-news .guide-card-title {
  font-size: 20px;
  font-weight: 900;
  margin: 0 0 8px 0;
  font-family: var(--news-font-head);
}

.page-news .guide-card-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--news-text-dim);
  margin: 0 0 16px 0;
}

@media (min-width: 768px) {
  .page-news .news-layout {
    grid-template-columns: 180px 1fr;
    gap: 40px;
  }

  .page-news .news-dir {
    display: block;
    position: sticky;
    top: 86px;
  }

  .page-news .news-dir-mobile {
    display: none;
  }

  .page-news .feature-story {
    display: grid;
    grid-template-columns: 5fr 6fr;
  }

  .page-news .feature-story-img {
    height: 100%;
    aspect-ratio: auto;
    object-fit: cover;
    min-height: 280px;
  }

  .page-news .changelog-scroll {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }

  .page-news .changelog-node:nth-child(4),
  .page-news .changelog-node:nth-child(5) {
    grid-column: span 1;
  }

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

@media (min-width: 1024px) {
  .page-news .news-masthead {
    padding-top: 72px;
    padding-bottom: 56px;
  }

  .page-news .news-masthead-title {
    font-size: 64px;
  }

  .page-news .news-masthead-sub {
    font-size: 17px;
  }

  .page-news .news-layout {
    grid-template-columns: 220px 1fr;
    gap: 64px;
  }

  .page-news .dir-link {
    padding: 12px 4px 12px 12px;
    font-size: 15px;
  }

  .page-news .feature-story-body {
    padding: 36px;
  }

  .page-news .feature-story-title {
    font-size: 36px;
  }

  .page-news .feature-story-lead {
    font-size: 17px;
  }

  .page-news .feature-story-excerpt {
    font-size: 16px;
  }

  .page-news .story-block {
    margin-top: 64px;
    padding-top: 40px;
  }

  .page-news .story-block-title {
    font-size: 24px;
  }

  .page-news .story-list {
    grid-template-columns: 1fr;
  }

  .page-news .changelog-scroll {
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
  }

  .page-news .changelog-node:nth-child(4) {
    grid-column: auto;
  }

  .page-news .changelog-node:nth-child(5) {
    grid-column: auto;
  }

  .page-news .changelog-title {
    font-size: 40px;
  }

  .page-news .changelog-desc {
    font-size: 16px;
  }

  .page-news .changelog-node {
    padding: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition: none !important;
    scroll-behavior: auto !important;
    animation: none !important;
  }
}

.page-news .story-item.is-filtered,
.page-news .dir-chip.is-filtered {
  display: none;
}

@media (max-width: 640px) {
  .page-news .news-topline {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .page-news .news-masthead-title {
    font-size: 36px;
  }

  .page-news .feature-story {
    margin-left: -20px;
    margin-right: -20px;
    border-right: 0;
    border-left: 0;
  }

  .page-news .feature-story-body {
    padding-left: 16px;
    padding-right: 16px;
  }

  .page-news .meta-item {
    border-right: none;
    padding-right: 12px;
    margin-right: 12px;
  }

  .page-news .changelog-wrap {
    margin-left: -20px;
    margin-right: -20px;
    padding-left: 20px;
    padding-right: 20px;
  }

  .page-news .changelog-scroll {
    grid-template-columns: 1fr;
  }

  .page-news .news-guide {
    margin-left: -20px;
    margin-right: -20px;
    padding-left: 20px;
    padding-right: 20px;
  }

  .page-news .guide-card {
    padding: 20px;
  }
}