.page-news {
  --news-navy: #0B1B3F;
  --news-orange: #FF6B35;
  --news-gold: #FFD700;
  --news-paper: #F5F0E6;
  --news-mist: #E8E2D8;
  --news-ink: #0A0A0A;
  --news-success: #2ECC71;
  --news-sky: #3B82F6;
  --news-deep: #050A1A;
  --news-font-display: "Impact", "Arial Black", "PingFang SC", "Microsoft YaHei", sans-serif;
  --news-font-body: "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  --news-font-mono: "Roboto Mono", "SFMono-Regular", "Consolas", "Menlo", monospace;
  background-color: var(--news-paper);
  color: var(--news-ink);
}

.page-news .container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 1rem;
  padding-right: 1rem;
  width: 100%;
  box-sizing: border-box;
}

.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--news-font-mono);
  font-size: 0.875rem;
  color: rgba(245, 240, 230, 0.72);
  margin-bottom: 1.5rem;
}

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

.page-news .breadcrumb a:hover {
  color: #fff;
}

.page-news .breadcrumb-sep {
  opacity: 0.6;
}

.page-news .news-hero {
  background-color: var(--news-navy);
  background-image: linear-gradient(135deg, transparent 65%, rgba(255, 107, 53, 0.12) 65%), repeating-linear-gradient(0deg, transparent 0, transparent 3px, rgba(255, 215, 0, 0.04) 4px);
  color: var(--news-paper);
  position: relative;
  overflow: hidden;
  padding-top: 3.5rem;
  padding-bottom: 3rem;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 32px), 0 100%);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  top: 20%;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle at center, rgba(255, 215, 0, 0.14) 0%, transparent 65%);
  pointer-events: none;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding-right: 2rem;
}

.page-news .news-hero__kicker {
  font-family: var(--news-font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--news-gold);
  margin-bottom: 1rem;
}

.page-news .news-hero__title {
  font-family: var(--news-font-display);
  font-size: clamp(2.2rem, 6.5vw, 4.2rem);
  line-height: 1.02;
  margin: 0 0 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: #fff;
}

.page-news .news-hero__desc {
  font-family: var(--news-font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: rgba(245, 240, 230, 0.85);
  max-width: 42ch;
  margin-bottom: 1.75rem;
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 215, 0, 0.25);
}

.page-news .news-hero__meta-item {
  font-family: var(--news-font-mono);
  font-size: 0.8125rem;
  color: rgba(245, 240, 230, 0.75);
  position: relative;
  padding-left: 0.85rem;
}

.page-news .news-hero__meta-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  background: var(--news-orange);
  transform: translateY(-50%) skew(-20deg);
}

.page-news .news-list {
  padding-top: 3rem;
  padding-bottom: 2.5rem;
  position: relative;
}

.page-news .news-filter {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.25rem;
}

.page-news .news-filter__btn {
  font-family: var(--news-font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--news-navy);
  background: transparent;
  color: var(--news-navy);
  position: relative;
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.page-news .news-filter__btn:hover,
.page-news .news-filter__btn.is-active {
  background: var(--news-orange);
  border-color: var(--news-orange);
  color: #fff;
}

.page-news .news-list__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
}

.page-news .section-heading {
  font-family: var(--news-font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  text-transform: uppercase;
  margin: 0;
  color: var(--news-navy);
  position: relative;
}

.page-news .section-heading::after {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  background: var(--news-gold);
  margin-left: 0.6rem;
  transform: skew(-20deg);
}

.page-news .news-list__hint {
  font-size: 0.9375rem;
  color: rgba(10, 10, 10, 0.6);
  font-family: var(--news-font-body);
}

.page-news .news-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.page-news .news-item {
  background: #fff;
  border-left: 4px solid transparent;
  box-shadow: 0 4px 18px rgba(5, 10, 26, 0.08);
  padding: 1.5rem 1.5rem 1.5rem 2rem;
  position: relative;
  transition: opacity 0.35s ease, transform 0.35s ease, box-shadow 0.35s ease;
}

.page-news .news-item--hidden {
  display: none;
}

.page-news .news-item:hover {
  box-shadow: 0 10px 28px rgba(5, 10, 26, 0.13);
  transform: translateX(4px);
}

.page-news .news-item[data-category="version"] {
  border-left-color: var(--news-gold);
}

.page-news .news-item[data-category="feature"] {
  border-left-color: var(--news-orange);
}

.page-news .news-item[data-category="notice"] {
  border-left-color: var(--news-sky);
}

.page-news .news-item__body {
  position: relative;
}

.page-news .news-tag {
  display: inline-block;
  font-family: var(--news-font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  margin-bottom: 0.65rem;
  color: #fff;
}

.page-news .news-tag--version {
  background: var(--news-navy);
}

.page-news .news-tag--feature {
  background: var(--news-orange);
}

.page-news .news-tag--notice {
  background: var(--news-sky);
}

.page-news .news-item__title {
  font-family: var(--news-font-body);
  font-size: 1.3rem;
  line-height: 1.4;
  font-weight: 700;
  color: var(--news-ink);
  margin: 0 0 0.6rem;
}

.page-news .news-item__text {
  font-size: 1rem;
  line-height: 1.65;
  color: rgba(10, 10, 10, 0.78);
  margin: 0 0 0.85rem;
  max-width: 55ch;
}

.page-news .news-item__date {
  font-family: var(--news-font-mono);
  font-size: 0.8125rem;
  color: rgba(10, 10, 10, 0.55);
}

.page-news .news-list__image {
  margin-top: 1.75rem;
  position: relative;
  overflow: hidden;
  max-width: 400px;
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

.page-news .news-list__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.page-news .news-timeline {
  background: var(--news-navy);
  color: var(--news-paper);
  padding-top: 4rem;
  padding-bottom: 4.5rem;
  margin-top: 1rem;
  position: relative;
  clip-path: polygon(0 28px, 100% 0, 100% 100%, 0 100%);
}

.page-news .timeline-head {
  max-width: 850px;
  margin-bottom: 2.5rem;
  padding-top: 1rem;
}

.page-news .timeline-head .section-heading {
  color: #fff;
}

.page-news .timeline-head .section-heading::after {
  background: var(--news-orange);
}

.page-news .timeline-intro {
  color: rgba(245, 240, 230, 0.78);
  font-size: 1.0625rem;
  line-height: 1.7;
  margin: 1.25rem 0 0;
}

.page-news .timeline-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-news .timeline-image {
  position: relative;
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
}

.page-news .timeline-image__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 14 / 9;
}

.page-news .timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--news-gold) 0%, var(--news-orange) 55%, var(--news-paper) 100%);
}

.page-news .timeline__item {
  position: relative;
  padding-left: 2.5rem;
  padding-bottom: 2.5rem;
}

.page-news .timeline__item:last-child {
  padding-bottom: 0;
}

.page-news .timeline__dot {
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 16px;
  height: 16px;
  background: var(--news-gold);
  border-radius: 50%;
  border: 3px solid var(--news-navy);
  box-shadow: 0 0 0 2px var(--news-gold);
  cursor: help;
}

.page-news .timeline__dot::after {
  content: attr(data-tip);
  position: absolute;
  left: 1.5rem;
  top: -0.25rem;
  background: var(--news-orange);
  color: #fff;
  font-family: var(--news-font-mono);
  font-size: 0.75rem;
  padding: 0.35rem 0.7rem;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
  z-index: 10;
}

.page-news .timeline__dot:hover::after,
.page-news .timeline__dot:focus::after {
  opacity: 1;
  transform: translateX(0);
}

.page-news .timeline__label {
  font-family: var(--news-font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--news-gold);
}

.page-news .timeline__title {
  font-family: var(--news-font-display);
  font-size: 1.5rem;
  color: #fff;
  margin: 0.35rem 0 0.5rem;
  text-transform: uppercase;
}

.page-news .timeline__text {
  color: rgba(245, 240, 230, 0.78);
  font-size: 0.9875rem;
  line-height: 1.7;
  margin: 0;
  max-width: 52ch;
}

.page-news .news-topics {
  padding-top: 3.5rem;
  padding-bottom: 4rem;
}

.page-news .topics-head {
  margin-bottom: 2.5rem;
}

.page-news .topics-head__desc {
  margin: 1rem 0 0;
  font-size: 1rem;
  color: rgba(10, 10, 10, 0.7);
  max-width: 60ch;
}

.page-news .topics-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-news .topic-card {
  background: #fff;
  border: 1px solid rgba(11, 27, 63, 0.1);
  box-shadow: 0 8px 24px rgba(5, 10, 26, 0.08);
  position: relative;
  display: flex;
  flex-direction: column;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}

.page-news .topic-card--wide .topic-card__content {
  padding: 1.5rem;
}

.page-news .topic-card__media {
  overflow: hidden;
}

.page-news .topic-card__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 16 / 10;
}

.page-news .topic-card__content {
  padding: 1.5rem;
  flex: 1;
}

.page-news .topic-card__title {
  font-family: var(--news-font-body);
  font-size: 1.35rem;
  line-height: 1.4;
  font-weight: 700;
  margin: 0.75rem 0 0.65rem;
  color: var(--news-ink);
}

.page-news .topic-card__text {
  font-size: 0.975rem;
  line-height: 1.7;
  color: rgba(10, 10, 10, 0.75);
  margin: 0 0 1.2rem;
}

.page-news .topic-card__link {
  display: inline-block;
  font-family: var(--news-font-mono);
  font-size: 0.875rem;
  color: var(--news-navy);
  text-decoration: none;
  border-bottom: 2px solid var(--news-orange);
  padding-bottom: 0.15rem;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.page-news .topic-card__link:hover {
  color: var(--news-orange);
  border-color: var(--news-navy);
}

.page-news .topics-cta {
  margin-top: 2.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  background: var(--news-mist);
  padding: 1.5rem 2rem;
  clip-path: polygon(12px 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
}

.page-news .topics-cta__text {
  margin: 0;
  font-weight: 600;
  color: var(--news-ink);
}

.page-news .btn {
  display: inline-block;
  font-family: var(--news-font-body);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.85rem 1.6rem;
  background: var(--news-orange);
  color: #fff;
  text-decoration: none;
  border: none;
  position: relative;
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  box-shadow: 0 4px 0 var(--news-gold);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-news .btn:hover {
  transform: translateY(2px);
  box-shadow: 0 2px 0 var(--news-gold);
}

@media (min-width: 640px) {
  .page-news .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }

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

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

  .page-news .topic-card--wide {
    grid-column: 1 / -1;
    flex-direction: row;
  }

  .page-news .topic-card--wide .topic-card__media {
    width: 55%;
    flex-shrink: 0;
  }

  .page-news .topic-card--wide .topic-card__content {
    width: 45%;
    align-self: center;
  }

  .page-news .news-timeline {
    clip-path: polygon(0 38px, 100% 0, 100% 100%, 0 100%);
  }
}

@media (min-width: 960px) {
  .page-news .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }

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

  .page-news .news-list__image {
    max-width: 420px;
    margin-left: auto;
  }

  .page-news .timeline-layout {
    grid-template-columns: 1fr 1.1fr;
    align-items: center;
  }

  .page-news .timeline-image__img {
    aspect-ratio: 14 / 9;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .topic-card__link,
  .page-news .btn {
    transition: none;
  }

  .page-news .timeline__dot::after {
    opacity: 1;
    transform: none;
  }
}