.page-news {
  --insight-bg: #10152F;
  --guide-bg: #0D1130;
}

.page-news__hero {
  padding-top: 28px;
  padding-bottom: 24px;
}

.page-news__hero .breadcrumb {
  margin-bottom: 18px;
}

.page-news__hero .section-tag {
  margin-bottom: 10px;
}

.page-news__hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  line-height: 1.06;
  margin: 0 0 14px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-text);
}

.page-news__lead {
  position: relative;
  max-width: 760px;
  margin: 0 0 22px;
  padding-left: 16px;
  border-left: 3px solid var(--color-accent);
  color: var(--color-text-dim);
  font-size: 1rem;
  line-height: 1.75;
}

.page-news__quick-index {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news__index-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  text-decoration: none;
  font-family: var(--font-data);
  font-size: 0.86rem;
  letter-spacing: 0.03em;
  transition:
    border-color var(--fast) var(--ease),
    color var(--fast) var(--ease),
    background var(--fast) var(--ease);
}

.page-news__index-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.page-news__index-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.page-news__changelog,
.page-news__highlights,
.page-news__insight,
.page-news__guide {
  padding-block: 48px;
}

.page-news__section-head {
  margin-bottom: 24px;
}

.page-news__section-head h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  line-height: 1.1;
  margin: 4px 0 8px;
  color: var(--color-text);
}

.page-news__section-head .section-desc {
  max-width: 680px;
  color: var(--color-text-dim);
  line-height: 1.7;
}

.page-news__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.page-news__filter {
  display: inline-block;
  padding: 5px 12px;
  font-family: var(--font-data);
  font-size: 0.82rem;
  color: var(--color-text-dim);
  text-decoration: none;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  transition:
    border-color var(--fast) var(--ease),
    color var(--fast) var(--ease),
    background var(--fast) var(--ease);
}

.page-news__filter:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.page-news__filter.is-active {
  color: var(--color-bg);
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.page-news__log-scroll {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px 2px 20px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent) var(--color-border);
}

.page-news__log-scroll:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius);
}

.page-news__log-card {
  position: relative;
  flex: 0 0 286px;
  min-width: 260px;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  clip-path: var(--clip-notch);
  transition:
    border-color var(--med) var(--ease),
    box-shadow var(--med) var(--ease);
}

.page-news__log-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px rgba(57, 255, 20, 0.35);
}

.page-news__log-card--v4 {
  border-top-color: var(--color-accent);
}

.page-news__log-card--v3 {
  border-top-color: var(--color-accent-fire);
}

.page-news__log-card--v2 {
  border-top-color: var(--color-gold);
}

.page-news__log-card--v1 {
  border-top-color: var(--color-border);
}

.page-news__log-card img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border-bottom: 1px solid var(--color-border);
}

.page-news__log-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  padding: 18px 16px 20px;
}

.page-news__version {
  font-family: var(--font-data);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--color-text-dim);
}

.page-news__log-card--v4 .page-news__version {
  color: var(--color-accent);
}

.page-news__log-body h3 {
  font-family: var(--font-heading);
  font-size: 1.18rem;
  line-height: 1.22;
  margin: 2px 0 0;
  letter-spacing: 0.01em;
  color: var(--color-text);
}

.page-news__log-body p {
  margin: 0;
  color: var(--color-text-dim);
  font-size: 0.9rem;
  line-height: 1.65;
}

.page-news__log-link {
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-data);
  font-size: 0.84rem;
  color: var(--color-accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-news__log-link:hover {
  text-decoration: underline;
}

.page-news__highlights {
  position: relative;
  background: linear-gradient(180deg, rgba(21, 27, 58, 0.45), rgba(10, 14, 39, 0.2));
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.page-news__highlights::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: repeating-linear-gradient(140deg, var(--color-accent-fire) 0 10px, transparent 10px 20px);
  opacity: 0.55;
  pointer-events: none;
}

.page-news__highlights::after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: repeating-linear-gradient(220deg, var(--color-accent) 0 10px, transparent 10px 20px);
  opacity: 0.3;
  pointer-events: none;
}

.page-news__timeline {
  position: relative;
  margin: 0;
  padding-left: 24px;
  border-left: 2px dashed var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.page-news__timeline::before {
  content: '';
  position: absolute;
  left: -7px;
  top: 0;
  width: 10px;
  height: 10px;
  background: var(--color-accent);
  transform: rotate(45deg);
}

.page-news__highlight-card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent-fire);
  transition:
    border-color var(--med) var(--ease),
    transform var(--med) var(--ease);
}

.page-news__highlight-card:hover {
  border-color: var(--color-accent-fire);
}

.page-news__highlight-card--alt {
  border-left-color: var(--color-gold);
}

.page-news__highlight-card--alt:hover {
  border-color: var(--color-gold);
}

.page-news__highlight-card img {
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-news__highlight-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 20px 18px 22px;
  flex: 1;
}

.page-news__badge {
  display: inline-block;
  padding: 4px 10px;
  font-family: var(--font-data);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  background: var(--color-accent-fire);
  color: #ffffff;
}

.page-news__badge--gold {
  background: var(--color-gold);
  color: var(--color-bg);
}

.page-news__highlight-body h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  line-height: 1.2;
  margin: 4px 0 0;
  color: var(--color-text);
}

.page-news__highlight-body p {
  margin: 0;
  color: var(--color-text-dim);
  font-size: 0.92rem;
  line-height: 1.7;
}

.page-news__watch-btn {
  margin-top: auto;
}

.page-news__insight {
  background: var(--insight-bg);
}

.page-news__insight-grid {
  display: grid;
  gap: 26px;
  align-items: center;
}

.page-news__insight-chart {
  padding: 12px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
}

.page-news__insight-chart img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.page-news__insight-copy {
  padding: 6px 0;
}

.page-news__insight-copy h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  line-height: 1.1;
  margin: 4px 0 10px;
  color: var(--color-text);
}

.page-news__insight-copy > p {
  color: var(--color-text-dim);
  line-height: 1.7;
  max-width: 640px;
}

.page-news__insight-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-news__insight-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  border-left: 2px solid var(--color-border);
  padding-left: 14px;
}

.page-news__insight-list .data-stat {
  font-family: var(--font-data);
  font-size: 1.7rem;
  line-height: 1;
  min-width: 70px;
  color: var(--color-accent);
}

.page-news__insight-list li:nth-child(2) .data-stat {
  color: var(--color-accent-fire);
}

.page-news__insight-list li:nth-child(3) .data-stat {
  color: var(--color-gold);
}

.page-news__insight-list p {
  margin: 0;
  color: var(--color-text-dim);
  font-size: 0.9rem;
  line-height: 1.65;
}

.page-news__data-link {
  margin-top: 20px;
}

.page-news__guide {
  background: var(--guide-bg);
  border-top: 1px solid var(--color-border);
}

.page-news__guide-grid {
  display: grid;
  gap: 18px;
}

.page-news__guide-step {
  position: relative;
  padding: 28px 20px 22px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  clip-path: var(--clip-notch);
  transition:
    border-color var(--med) var(--ease),
    box-shadow var(--med) var(--ease);
}

.page-news__guide-step:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px rgba(57, 255, 20, 0.25);
}

.page-news__step-num {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.6rem;
  line-height: 0.9;
  color: var(--color-accent);
  opacity: 0.9;
}

.page-news__guide-step--tip {
  border-color: rgba(255, 215, 0, 0.4);
}

.page-news__guide-step--tip .page-news__step-num {
  color: var(--color-gold);
}

.page-news__guide-step h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  line-height: 1.25;
  margin: 14px 0 8px;
  color: var(--color-text);
}

.page-news__guide-step p {
  margin: 0;
  color: var(--color-text-dim);
  font-size: 0.92rem;
  line-height: 1.7;
}

.page-news__support {
  margin-top: 26px;
  padding: 16px 18px;
  background: var(--color-warning-bg);
  border-left: 3px solid var(--color-gold);
  color: var(--color-text-dim);
  font-size: 0.92rem;
  line-height: 1.7;
}

.page-news__support a {
  color: var(--color-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news__archives {
  padding: 32px 0 48px;
}

.page-news__archives-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 26px 22px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent-fire);
}

.page-news__archives-panel p {
  margin: 0;
  color: var(--color-text-dim);
  line-height: 1.7;
  font-size: 0.92rem;
}

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

@media (min-width: 900px) {
  .page-news__hero {
    padding-top: 52px;
    padding-bottom: 32px;
  }

  .page-news__hero h1 {
    max-width: 900px;
  }

  .page-news__section-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 32px;
  }

  .page-news__filters {
    margin-top: 0;
    flex-shrink: 0;
  }

  .page-news__log-card {
    flex-basis: 360px;
  }

  .page-news__timeline {
    padding-left: 38px;
    gap: 32px;
  }

  .page-news__highlight-card {
    display: grid;
    grid-template-columns: 42% 58%;
    align-items: center;
  }

  .page-news__highlight-card img {
    height: 100%;
    max-height: 340px;
    object-fit: cover;
  }

  .page-news__highlight-card--alt {
    grid-template-columns: 58% 42%;
  }

  .page-news__highlight-card--alt img {
    order: 2;
  }

  .page-news__highlight-card--alt .page-news__highlight-body {
    order: 1;
  }

  .page-news__insight-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 40px;
  }

  .page-news__guide-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }

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

  .page-news__archives-panel p {
    max-width: 760px;
  }

  .page-news__archives-links {
    flex-shrink: 0;
  }
}