.page-news {
  --news-line: rgba(255, 255, 255, 0.1);
  --news-line-strong: rgba(255, 255, 255, 0.2);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: var(--line-height-base);
  overflow-x: hidden;
}

.page-news .page-news__hero {
  padding: var(--space-5) var(--container-padding) var(--space-4);
  border-bottom: 1px solid var(--news-line);
  background:
    linear-gradient(135deg, rgba(0, 229, 255, 0.06) 0%, transparent 45%),
    linear-gradient(315deg, rgba(207, 255, 4, 0.05) 100%, transparent 45%),
    var(--color-bg);
}

.page-news .page-news__hero-inner {
  max-width: var(--container-width);
  margin: 0 auto;
}

.page-news .page-news__hero-grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.page-news .page-news__eyebrow {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent-blue);
}

.page-news .page-news__hero h1 {
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.15;
  color: var(--color-text-light);
  transform: skewX(var(--skew-angle));
  margin: var(--space-2) 0 0;
}

.page-news .page-news__lede {
  font-size: 16px;
  line-height: 1.9;
  margin-top: var(--space-3);
  color: var(--color-text);
  max-width: 700px;
}

.page-news .page-news__hero-meta {
  background: var(--color-surface);
  border: 1px solid var(--news-line);
  padding: var(--space-4);
  font-family: var(--font-data);
  position: relative;
  align-self: end;
}

.page-news .page-news__hero-meta::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  height: 4px;
  width: 48px;
  background: var(--color-accent);
}

.page-news .page-news__hero-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.page-news .page-news__hero-meta strong {
  display: block;
  font-family: var(--font-headline);
  font-size: 22px;
  color: var(--color-accent);
  line-height: 1.3;
}

.page-news .page-news__hero-stat {
  display: block;
  font-size: 14px;
  color: var(--color-text);
  margin-top: var(--space-1);
}

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

.page-news .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .breadcrumb__link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 14px;
  transition: color var(--transition-fast);
}

.page-news .breadcrumb__link:hover {
  color: var(--color-accent-blue);
}

.page-news .breadcrumb__item[aria-current="page"] {
  color: var(--color-text-light);
  font-size: 14px;
}

.page-news .page-news__toc {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-4) var(--container-padding) 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.page-news .page-news__toc a {
  font-family: var(--font-data);
  font-size: 14px;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--news-line);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.page-news .page-news__toc a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.page-news .page-news__layout {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-5) var(--container-padding) var(--space-7);
  display: grid;
  gap: var(--space-5);
}

.page-news .page-news__sidebar {
  display: grid;
  gap: var(--space-4);
  align-content: start;
}

.page-news .page-news__filter-box {
  background: var(--color-surface);
  border: 1px solid var(--news-line);
  padding: var(--space-4);
  display: grid;
  gap: var(--space-2);
}

.page-news .page-news__filter-title {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.page-news .filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-news .filter-tab {
  display: block;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--news-line);
  border-left: 3px solid var(--news-line);
  color: var(--color-text);
  font-size: 15px;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  user-select: none;
  text-align: left;
}

.page-news .filter-tab:hover {
  border-left-color: var(--color-accent-blue);
  color: var(--color-text-light);
}

.page-news .filter-input:focus-visible + .filter-tab {
  outline: 2px solid var(--color-accent-blue);
  outline-offset: 2px;
}

.page-news .page-news__layout:has(.filter-input--all:checked) .filter-tab--all,
.page-news .page-news__layout:has(.filter-input--update:checked) .filter-tab--update,
.page-news .page-news__layout:has(.filter-input--database:checked) .filter-tab--database,
.page-news .page-news__layout:has(.filter-input--calendar:checked) .filter-tab--calendar,
.page-news .page-news__layout:has(.filter-input--data:checked) .filter-tab--data {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #0A0B0F;
  font-weight: 700;
}

.page-news .page-news__layout:has(.filter-input--update:checked) .page-news__section:not(.page-news__section--update),
.page-news .page-news__layout:has(.filter-input--database:checked) .page-news__section:not(.page-news__section--database),
.page-news .page-news__layout:has(.filter-input--calendar:checked) .page-news__section:not(.page-news__section--calendar),
.page-news .page-news__layout:has(.filter-input--data:checked) .page-news__section:not(.page-news__section--data) {
  display: none;
}

.page-news .page-news__side-card {
  background: var(--color-surface);
  border: 1px solid var(--news-line);
  padding: var(--space-4);
}

.page-news .page-news__side-title {
  font-family: var(--font-headline);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--color-text-light);
  display: block;
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--color-accent);
}

.page-news .page-news__side-link {
  display: block;
  padding: var(--space-2) 0;
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px dashed var(--news-line);
  font-size: 15px;
  transition: all var(--transition-fast);
}

.page-news .page-news__side-link:last-child {
  border-bottom: none;
}

.page-news .page-news__side-link:hover {
  padding-left: var(--space-2);
  color: var(--color-accent-blue);
}

.page-news .page-news__side-card--note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-muted);
}

.page-news .page-news__content {
  display: grid;
  gap: var(--space-6);
  min-width: 0;
}

.page-news .page-news__section {
  padding-top: var(--space-4);
  border-top: 3px solid var(--news-line);
}

.page-news .page-news__section--update {
  border-top-color: var(--color-accent);
}

.page-news .page-news__section--database {
  border-top-color: var(--color-accent-blue);
}

.page-news .page-news__section--calendar {
  border-top-color: var(--color-warning);
}

.page-news .page-news__section--data {
  border-top-color: var(--color-text-light);
}

.page-news .page-news__section-head {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.page-news .page-news__section-index {
  font-family: var(--font-headline);
  font-size: 44px;
  line-height: 1;
  color: var(--color-accent);
  transform: skewX(var(--skew-angle));
  display: inline-block;
  min-width: 56px;
}

.page-news .page-news__section--database .page-news__section-index {
  color: var(--color-accent-blue);
}

.page-news .page-news__section--calendar .page-news__section-index {
  color: var(--color-warning);
}

.page-news .page-news__section--data .page-news__section-index {
  color: var(--color-text-light);
}

.page-news .page-news__section-title h2 {
  font-family: var(--font-headline);
  font-size: clamp(20px, 2.6vw, 30px);
  color: var(--color-text-light);
  margin: 0;
  line-height: 1.2;
}

.page-news .page-news__section-title p {
  margin: var(--space-1) 0 0;
  font-size: 14px;
  color: var(--color-text-muted);
}

.page-news .page-news__scanline {
  margin: 0 0 var(--space-4);
  padding: 0;
  max-width: 320px;
  border: 1px solid var(--news-line);
  overflow: hidden;
}

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

.page-news .page-news__topic-banner {
  margin: 0 0 var(--space-4);
  padding: 0;
  border: 1px solid var(--news-line);
  overflow: hidden;
  background: var(--color-surface);
}

.page-news .page-news__topic-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-news .page-news__section-body {
  display: grid;
  gap: var(--space-4);
}

.page-news .news-card {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--news-line);
  padding: var(--space-4);
  transition: border-color var(--transition-normal), background var(--transition-normal);
}

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

.page-news .news-card::after {
  content: "";
  position: absolute;
  right: -2px;
  bottom: -1px;
  width: 48px;
  height: 6px;
  background: var(--color-accent);
  transform: skewX(var(--skew-angle));
  transition: width var(--transition-fast);
}

.page-news .news-card--database::after {
  background: var(--color-accent-blue);
}

.page-news .news-card--calendar::after {
  background: var(--color-warning);
}

.page-news .news-card--data::after {
  background: var(--color-text-light);
}

.page-news .news-card:hover::after {
  width: 100px;
}

.page-news .news-card__index {
  font-family: var(--font-headline);
  font-size: 30px;
  line-height: 1;
  color: var(--color-accent);
  opacity: 0.85;
  transform: skewX(var(--skew-angle));
  align-self: start;
}

.page-news .news-card--database .news-card__index {
  color: var(--color-accent-blue);
}

.page-news .news-card--calendar .news-card__index {
  color: var(--color-warning);
}

.page-news .news-card--data .news-card__index {
  color: var(--color-text-light);
}

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

.page-news .news-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  margin-bottom: var(--space-2);
}

.page-news .news-card__tag {
  display: inline-block;
  padding: 2px 10px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--color-text-light);
  background: var(--color-navy);
  border: 1px solid var(--news-line);
}

.page-news .news-card__date {
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--color-text-muted);
}

.page-news .news-card__title {
  font-family: var(--font-headline);
  font-size: 18px;
  line-height: 1.35;
  color: var(--color-text-light);
  margin: 0 0 var(--space-2);
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.page-news .news-card:hover .news-card__title {
  transform: translateX(-6px);
  color: var(--color-accent);
}

.page-news .news-card__excerpt {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text);
}

.page-news .news-card__media {
  margin: var(--space-3) 0 0;
  padding: 0;
  border: 1px solid var(--news-line);
  overflow: hidden;
}

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

.page-news .page-news__cta {
  margin-top: var(--space-4);
  background: linear-gradient(135deg, var(--color-navy), var(--color-surface));
  border: 1px solid var(--news-line-strong);
  padding: var(--space-5);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.page-news .page-news__cta h2 {
  font-family: var(--font-headline);
  font-size: 24px;
  color: var(--color-text-light);
  margin: 0 0 var(--space-2);
}

.page-news .page-news__cta p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 15px;
}

@media (min-width: 640px) {
  .page-news .page-news__filter-box {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-news .page-news__filter-title {
    grid-column: 1 / -1;
  }

  .page-news .news-card {
    gap: var(--space-4);
  }
}

@media (min-width: 992px) {
  .page-news .page-news__hero-grid {
    grid-template-columns: 1fr 320px;
    align-items: end;
  }

  .page-news .page-news__layout {
    grid-template-columns: 280px 1fr;
    gap: var(--space-6);
  }

  .page-news .page-news__sidebar {
    position: sticky;
    top: calc(var(--header-main-min-height) + var(--space-3));
  }

  .page-news .page-news__filter-box {
    grid-template-columns: 1fr;
  }

  .page-news .page-news__filter-title {
    grid-column: auto;
  }

  .page-news .news-card:nth-child(even) {
    margin-left: 28px;
  }

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