.page-news {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-base);
  line-height: 1.65;
  overflow-wrap: break-word;
}

.page-news__top {
  padding-top: 1.25rem;
}

.page-news .breadcrumb {
  margin: 0;
}

.page-news__hero {
  position: relative;
  overflow: hidden;
  margin-top: 1.5rem;
  padding: 2.5rem 0 3rem;
  background: var(--ink);
  color: #F5F0E8;
}

.page-news__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 82% 12%, rgba(139, 92, 246, 0.34), transparent 42%),
    radial-gradient(circle at 12% 88%, rgba(65, 88, 208, 0.28), transparent 45%);
  pointer-events: none;
}

.page-news__hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: repeating-linear-gradient(90deg, var(--orange) 0 12px, transparent 12px 20px);
  opacity: 0.7;
  pointer-events: none;
}

.page-news__hero-container {
  position: relative;
}

.page-news__hero-frame {
  position: relative;
  padding: 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.025);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25);
}

.page-news__hero-frame::before,
.page-news__hero-frame::after {
  content: "";
  position: absolute;
  width: 26px;
  height: 26px;
  z-index: 2;
  pointer-events: none;
}

.page-news__hero-frame::before {
  top: 12px;
  left: 12px;
  border-top: 3px solid var(--orange);
  border-left: 3px solid var(--orange);
}

.page-news__hero-frame::after {
  bottom: 12px;
  right: 12px;
  border-bottom: 3px solid var(--signal-purple);
  border-right: 3px solid var(--signal-purple);
}

.page-news__hero-grid {
  display: grid;
  gap: 1.5rem;
}

.page-news__hero-copy {
  min-width: 0;
}

.page-news__hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 0.9rem;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-news__hero-eyebrow::before {
  content: "";
  width: 30px;
  height: 2px;
  flex-shrink: 0;
  background: var(--orange);
}

.page-news__hero-title {
  margin: 0 0 1rem;
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: clamp(2.1rem, 4.4vw, 3.75rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: #FFFFFF;
}

.page-news__hero-desc {
  max-width: 62ch;
  margin: 0;
  font-size: 1rem;
  color: rgba(245, 240, 232, 0.78);
}

.page-news__hero-figure {
  margin: 0;
  min-width: 0;
}

.page-news__hero-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
}

.page-news__hero-caption {
  margin-top: 0.6rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: rgba(245, 240, 232, 0.5);
  text-transform: uppercase;
}

.page-news__rotate-note {
  display: none;
}

.page-news__filter-wrap {
  margin-top: 2.5rem;
}

.page-news__filter-tabs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.1rem 1rem;
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news__filter-caption {
  align-self: center;
  padding-right: 0.25rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
  white-space: nowrap;
}

.page-news__filter-tabs label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0.35rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.page-news__filter-tabs label:hover {
  border-color: var(--signal-purple);
  color: var(--signal-purple);
}

.page-news .page-news__radio--all:checked ~ .page-news__filter-tabs label[for="pnews-filter-all"],
.page-news .page-news__radio--version:checked ~ .page-news__filter-tabs label[for="pnews-filter-version"],
.page-news .page-news__radio--match:checked ~ .page-news__filter-tabs label[for="pnews-filter-match"],
.page-news .page-news__radio--feature:checked ~ .page-news__filter-tabs label[for="pnews-filter-feature"],
.page-news .page-news__radio--help:checked ~ .page-news__filter-tabs label[for="pnews-filter-help"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-news .page-news__radio--all:focus-visible ~ .page-news__filter-tabs label[for="pnews-filter-all"],
.page-news .page-news__radio--version:focus-visible ~ .page-news__filter-tabs label[for="pnews-filter-version"],
.page-news .page-news__radio--match:focus-visible ~ .page-news__filter-tabs label[for="pnews-filter-match"],
.page-news .page-news__radio--feature:focus-visible ~ .page-news__filter-tabs label[for="pnews-filter-feature"],
.page-news .page-news__radio--help:focus-visible ~ .page-news__filter-tabs label[for="pnews-filter-help"] {
  outline: 3px solid var(--orange);
  outline-offset: 2px;
}

.page-news__layout {
  display: grid;
  gap: 2.5rem;
  margin-top: 2rem;
}

.page-news__list {
  min-width: 0;
}

.page-news__entry {
  position: relative;
  display: none;
  padding: 2rem 0 2rem 1.05rem;
  border-top: 1px solid var(--line);
}

.page-news .page-news__radio--all:checked ~ .page-news__layout .page-news__entry,
.page-news .page-news__radio--version:checked ~ .page-news__layout .pnews-cat-version,
.page-news .page-news__radio--match:checked ~ .page-news__layout .pnews-cat-match,
.page-news .page-news__radio--feature:checked ~ .page-news__layout .pnews-cat-feature,
.page-news .page-news__radio--help:checked ~ .page-news__layout .pnews-cat-help {
  display: block;
}

.page-news__entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 2rem;
  bottom: 2rem;
  width: 4px;
  border-radius: 0 2px 2px 0;
  background: var(--signal-purple);
}

.page-news .pnews-cat-version::before {
  background: var(--signal-blue);
}

.page-news .pnews-cat-match::before {
  background: var(--cyan);
}

.page-news .pnews-cat-feature::before {
  background: var(--orange);
}

.page-news .pnews-cat-help::before {
  background: var(--gold);
}

.page-news__entry-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 0.7rem;
}

.page-news__entry-time {
  font-size: var(--fs-status);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-news__entry-title {
  margin: 0 0 0.7rem;
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-news__entry-summary {
  max-width: 72ch;
  margin: 0 0 0.65rem;
  font-size: 0.96rem;
  color: #3F3A35;
}

.page-news__detail {
  margin-top: 0.5rem;
}

.page-news__detail summary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--signal-blue);
  list-style: none;
}

.page-news__detail summary::-webkit-details-marker {
  display: none;
}

.page-news__detail summary::before {
  content: "＋";
  font-family: var(--font-number);
  font-size: 1rem;
  line-height: 1;
  color: var(--orange);
  transition: transform 0.2s ease;
}

.page-news__detail[open] summary::before {
  content: "－";
  color: var(--signal-purple);
}

.page-news__detail-toggle {
  display: inline;
}

.page-news__detail-less {
  display: none;
}

.page-news__detail[open] .page-news__detail-more {
  display: none;
}

.page-news__detail[open] .page-news__detail-less {
  display: inline;
}

.page-news__detail-body {
  margin-top: 1rem;
  padding: 1.25rem 1.4rem 1.35rem;
  background: rgba(255, 255, 255, 0.55);
  border-left: 3px solid var(--signal-purple);
  border-radius: 0 10px 10px 0;
  box-shadow: inset 0 0 0 1px rgba(20, 20, 20, 0.03);
}

.page-news .pnews-cat-version .page-news__detail-body {
  border-left-color: var(--signal-blue);
}

.page-news .pnews-cat-match .page-news__detail-body {
  border-left-color: var(--cyan);
}

.page-news .pnews-cat-feature .page-news__detail-body {
  border-left-color: var(--orange);
}

.page-news .pnews-cat-help .page-news__detail-body {
  border-left-color: var(--gold);
}

.page-news__detail-body p {
  max-width: 68ch;
  margin: 0 0 0.8rem;
}

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

.page-news__detail-body a {
  color: var(--signal-blue);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(65, 88, 208, 0.35);
}

.page-news__detail-body a:hover {
  color: var(--signal-purple);
  text-decoration-color: currentColor;
}

.page-news__figure {
  margin: 1.4rem 0 1.2rem;
}

.page-news__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: 6px;
  border: 1px solid var(--line);
}

.page-news__figure figcaption {
  margin-top: 0.5rem;
  font-size: 0.78rem;
  color: var(--muted);
}

.page-news__aside {
  min-width: 0;
}

.page-news__version-card {
  position: relative;
  overflow: hidden;
  padding: 1.75rem 1.5rem 2.25rem;
  border-radius: 16px;
  background: var(--ink);
  color: #F5F0E8;
  border: 1px solid var(--mist);
}

.page-news__version-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 82% 0%, rgba(139, 92, 246, 0.34), transparent 56%),
    radial-gradient(circle at 12% 100%, rgba(65, 88, 208, 0.3), transparent 50%);
  pointer-events: none;
}

.page-news__version-card::after {
  content: "";
  position: absolute;
  left: 1.5rem;
  right: 1.5rem;
  bottom: 0.85rem;
  height: 3px;
  background: repeating-linear-gradient(90deg, var(--signal-blue) 0 6px, transparent 6px 12px);
  opacity: 0.65;
  pointer-events: none;
}

.page-news__version-label {
  position: relative;
  display: inline-block;
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  background: rgba(242, 176, 30, 0.12);
  border: 1px solid rgba(242, 176, 30, 0.35);
  color: var(--gold);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.page-news__version-num {
  position: relative;
  margin: 1.1rem 0 0.6rem;
  font-family: var(--font-number);
  font-size: clamp(2.6rem, 6vw, 3.6rem);
  line-height: 1;
  color: #FFFFFF;
  letter-spacing: 0.01em;
  animation: pageNewsVersionGlow 3.2s ease-in-out infinite;
}

@keyframes pageNewsVersionGlow {
  0%, 14%, 100% {
    color: #FFFFFF;
    text-shadow: none;
  }
  4%, 7% {
    color: var(--gold);
    text-shadow: 0 0 26px rgba(242, 176, 30, 0.55);
  }
}

.page-news__version-note {
  position: relative;
  margin: 0 0 1.3rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(245, 240, 232, 0.76);
}

.page-news__version-card .btn--ghost {
  position: relative;
  border-color: rgba(245, 240, 232, 0.32);
  color: var(--paper);
  background: transparent;
}

.page-news__version-card .btn--ghost:hover {
  background: rgba(245, 240, 232, 0.1);
  border-color: rgba(245, 240, 232, 0.55);
  color: #FFFFFF;
}

.page-news__hot {
  margin-top: 2.25rem;
}

.page-news__hot-title {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin: 0 0 1rem;
  font-family: var(--font-headline);
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--ink);
}

.page-news__hot-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

.page-news__hot-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.page-news__tag {
  display: inline-block;
  padding: 0.42rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 500;
  line-height: 1.2;
  transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.page-news__tag:hover {
  border-color: var(--signal-purple);
  color: var(--signal-purple);
  background: rgba(139, 92, 246, 0.05);
}

@media (min-width: 640px) {
  .page-news__entry {
    padding-left: 1.5rem;
  }

  .page-news__hero-frame {
    padding: 1.75rem;
  }
}

@media (min-width: 960px) {
  .page-news__hero {
    margin-top: 2rem;
    padding: 3rem 0 3.5rem;
  }

  .page-news__hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 2rem;
    align-items: end;
  }

  .page-news__hero-frame {
    padding: 2rem;
  }

  .page-news__rotate-note {
    display: block;
    position: absolute;
    top: 50%;
    right: 0.25rem;
    transform: translateY(-50%);
    writing-mode: vertical-rl;
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    color: rgba(245, 240, 232, 0.35);
    text-transform: uppercase;
    white-space: nowrap;
    pointer-events: none;
  }

  .page-news__filter-wrap {
    margin-top: 3.5rem;
  }

  .page-news__layout {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 3rem;
    align-items: start;
  }

  .page-news__aside {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news__version-num {
    animation: none;
  }
}