.page-news {
  --news-orange: #FF6B35;
  --news-navy: #0A1F44;
  --news-neon: #39FF14;
  --news-cream: #F5F0E9;
  --news-ink: #1B1B1B;
  --news-gray: #6B6B6B;
  --news-white: #FFFFFF;
  --news-red: #FF3B30;
  --news-radius: 4px;
  --news-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --news-duration: 250ms;
  background:
    linear-gradient(rgba(10, 31, 68, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 31, 68, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--news-ink);
  font-family: var(--font-body);
  line-height: 1.6;
}

.page-news__hero {
  padding-top: 48px;
  padding-bottom: 32px;
  position: relative;
  border-bottom: 3px solid var(--news-orange);
  margin-bottom: 40px;
}

.page-news__hero::after {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 15%;
  height: 3px;
  background: var(--news-neon);
}

.page-news__hero .page-head__title {
  font-family: var(--font-heading);
  font-size: 36px;
  line-height: 1.15;
  color: var(--news-navy);
  margin: 12px 0 8px;
  letter-spacing: 0.02em;
}

.page-news__hero .page-head__sub {
  font-size: 16px;
  color: var(--news-gray);
  max-width: 560px;
}

.page-news__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding-bottom: 64px;
}

.page-news__sidebar {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.page-news__section-title {
  font-family: var(--font-heading);
  font-size: 20px;
  color: var(--news-navy);
  margin: 0 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--news-orange);
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-news__section-title::before {
  content: "//";
  font-family: var(--font-mono);
  color: var(--news-orange);
  font-size: 14px;
  letter-spacing: -0.05em;
}

.page-news__filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news__filter-btn {
  display: inline-block;
  padding: 6px 14px;
  background: var(--news-cream);
  color: var(--news-navy);
  border: 1px solid var(--news-navy);
  border-radius: var(--news-radius);
  font-family: var(--font-mono);
  font-size: 13px;
  text-decoration: none;
  transition: background var(--news-duration) var(--news-ease), color var(--news-duration) var(--news-ease), transform var(--news-duration) var(--news-ease);
}

.page-news__filter-btn:hover,
.page-news__filter-btn--active {
  background: var(--news-orange);
  border-color: var(--news-orange);
  color: var(--news-white);
  transform: translateY(-1px);
}

.page-news__tag-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news__tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--news-white);
  border: 1px solid var(--news-gray);
  border-radius: 16px;
  font-size: 13px;
  color: var(--news-navy);
  text-decoration: none;
  transition: border-color var(--news-duration), background var(--news-duration), transform var(--news-duration);
}

.page-news__tag:hover {
  border-color: var(--news-orange);
  background: var(--news-cream);
  transform: translateY(-1px);
}

.page-news__spotlight {
  background: var(--news-navy);
  /* 共享设计令牌中 c-navy 已在 .page-news 中可用，这里不重复定义 */
}

.page-news__spotlight .page-news__section-title {
  color: var(--news-white);
  border-bottom-color: var(--news-orange);
}

.page-news__spotlight .page-news__section-title::before {
  color: var(--news-neon);
}

.page-news__spotlight-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.08);
  border-left: 3px solid var(--news-orange);
  border-radius: 0 var(--news-radius) var(--news-radius) 0;
  margin-bottom: 12px;
  text-decoration: none;
  transition: background var(--news-duration), transform var(--news-duration);
}

.page-news__spotlight-card:hover {
  background: rgba(255, 107, 53, 0.22);
  transform: translateX(4px);
}

.page-news__spotlight-index {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--news-neon);
  letter-spacing: 0.08em;
}

.page-news__spotlight-text {
  font-size: 14px;
  color: var(--news-white);
  line-height: 1.4;
}

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

.page-news__feature {
  position: relative;
  margin-bottom: 48px;
}

.page-news__feature-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  background: var(--news-orange);
  color: var(--news-white);
  font-family: var(--font-heading);
  font-size: 14px;
  padding: 4px 14px;
  border-radius: var(--news-radius);
  transform: rotate(-2deg);
  box-shadow: 0 2px 8px rgba(255, 107, 53, 0.4);
}

.page-news__feature-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.page-news__feature-card {
  background: var(--news-white);
  border: 1px solid var(--news-navy);
  box-shadow: 8px 8px 0 var(--news-navy);
  transition: transform var(--news-duration) var(--news-ease), box-shadow var(--news-duration) var(--news-ease);
  display: flex;
  flex-direction: column;
}

.page-news__feature-link:hover .page-news__feature-card {
  transform: translate(-4px, -4px);
  box-shadow: 12px 12px 0 var(--news-navy);
}

.page-news__feature-media {
  border-bottom: 3px solid var(--news-navy);
  aspect-ratio: 16/9;
  background: var(--news-cream);
}

.page-news__feature-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-news__feature-body {
  padding: 24px;
}

.page-news__category {
  display: inline-block;
  background: var(--news-navy);
  color: var(--news-white);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 2px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

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

.page-news__feature-title {
  font-family: var(--font-heading);
  font-size: 30px;
  line-height: 1.15;
  color: var(--news-navy);
  margin: 0 0 12px;
}

.page-news__feature-excerpt {
  font-size: 16px;
  color: var(--news-gray);
  margin-bottom: 16px;
  max-width: 640px;
}

.page-news__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--news-gray);
}

.page-news__meta-round {
  color: var(--news-navy);
  background: var(--news-cream);
  padding: 2px 8px;
  border-radius: 2px;
}

.page-news__read-more {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--news-orange);
  border-bottom: 2px solid var(--news-orange);
  padding-bottom: 2px;
  transition: color var(--news-duration), border-color var(--news-duration);
}

.page-news__feature-link:hover .page-news__read-more {
  color: var(--news-navy);
  border-color: var(--news-navy);
}

.page-news__latest {
  margin-top: 8px;
}

.page-news__list-title {
  font-family: var(--font-heading);
  font-size: 32px;
  color: var(--news-navy);
  margin: 0 0 24px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--news-orange);
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-news__list-title::before {
  content: "LATEST";
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--news-orange);
  letter-spacing: 0.1em;
}

.page-news__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-news__item {
  background: var(--news-white);
  border: 1px solid var(--news-navy);
  position: relative;
  transition: transform var(--news-duration) var(--news-ease), box-shadow var(--news-duration) var(--news-ease);
}

.page-news__item-link {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  height: 100%;
}

.page-news__item:hover {
  transform: translateY(-3px);
  box-shadow: 6px 6px 0 rgba(10, 31, 68, 0.85);
}

.page-news__item-media {
  aspect-ratio: 16/10;
  background: var(--news-cream);
  border-bottom: 2px solid var(--news-navy);
  position: relative;
  overflow: hidden;
}

.page-news__item-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--news-duration) var(--news-ease);
}

.page-news__item:hover .page-news__item-media img {
  transform: scale(1.03);
}

.page-news__item-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.page-news__item-title {
  font-family: var(--font-heading);
  font-size: 20px;
  line-height: 1.25;
  color: var(--news-navy);
  margin: 0 0 10px;
}

.page-news__item-excerpt {
  font-size: 14px;
  color: var(--news-gray);
  margin-bottom: 16px;
  line-height: 1.55;
  flex: 1;
}

.page-news__item--slim {
  background: var(--news-cream);
}

.page-news__item--slim .page-news__item-media {
  display: none;
}

.page-news__pagination {
  margin-top: 32px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.page-news__pagination-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 8px;
  background: var(--news-white);
  border: 2px solid var(--news-navy);
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--news-navy);
  text-decoration: none;
  transition: background var(--news-duration), color var(--news-duration);
}

.page-news__pagination-link:hover,
.page-news__pagination-link--active {
  background: var(--news-navy);
  color: var(--news-white);
}

.page-news__pagination-next {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--news-orange);
  margin-left: 8px;
  border-bottom: 2px solid transparent;
  transition: border-color var(--news-duration);
}

.page-news__pagination-next:hover {
  border-bottom-color: var(--news-orange);
}

.page-news__featured-topic {
  padding-top: 48px;
  padding-bottom: 48px;
}

.page-news__topic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-news__topic-copy {
  color: var(--news-white);
}

.page-news__topic-title {
  font-family: var(--font-heading);
  font-size: 32px;
  line-height: 1.15;
  margin: 12px 0 24px;
  color: var(--news-white);
}

.page-news__steps {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  counter-reset: topic-step;
}

.page-news__step {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.page-news__step:last-child {
  border-bottom: none;
}

.page-news__step-num {
  font-family: var(--font-mono);
  font-size: 24px;
  color: var(--news-neon);
  line-height: 1.2;
  min-width: 48px;
  text-align: right;
}

.page-news__step-body {
  flex: 1;
}

.page-news__step-title {
  font-family: var(--font-heading);
  font-size: 18px;
  color: var(--news-white);
  margin: 0 0 6px;
}

.page-news__step-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.5;
}

.page-news__topic-tip {
  background: rgba(57, 255, 20, 0.1);
  border-left: 3px solid var(--news-neon);
  padding: 12px 16px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.5;
}

.page-news__topic-aside {
  display: flex;
  align-items: center;
}

.page-news__topic-stat {
  position: relative;
  width: 100%;
  aspect-ratio: 3/2;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid var(--news-orange);
  border-radius: var(--news-radius);
  overflow: hidden;
  max-width: 600px;
  margin: 0 auto;
}

.page-news__topic-stat img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.8;
}

.page-news__topic-stat-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(10, 31, 68, 0.55);
  gap: 4px;
}

.page-news__topic-stat-num {
  font-family: var(--font-mono);
  font-size: 56px;
  color: var(--news-neon);
  text-shadow: 0 2px 12px rgba(57, 255, 20, 0.5);
}

.page-news__topic-stat-label {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--news-white);
  letter-spacing: 0.06em;
}

.page-news__subscribe {
  padding-top: 48px;
  padding-bottom: 64px;
}

.page-news__subscribe-card {
  display: flex;
  flex-direction: column;
  gap: 20px;
  background: linear-gradient(135deg, var(--news-cream) 0%, #FFFFFF 60%);
  border: 2px solid var(--news-navy);
  box-shadow: 8px 8px 0 var(--news-orange);
  padding: 32px 24px;
  position: relative;
  overflow: hidden;
}

.page-news__subscribe-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-top: 48px solid var(--news-orange);
  border-left: 48px solid transparent;
}

.page-news__subscribe-copy {
  flex: 1;
}

.page-news__subscribe-title {
  font-family: var(--font-heading);
  font-size: 28px;
  color: var(--news-navy);
  margin: 8px 0 12px;
}

.page-news__subscribe-desc {
  font-size: 15px;
  color: var(--news-gray);
  line-height: 1.6;
  max-width: 500px;
}

.page-news__subscribe-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  padding: 14px 24px;
  white-space: nowrap;
}

@media (min-width: 768px) {
  .page-news__hero .page-head__title {
    font-size: 48px;
  }

  .page-news__layout {
    grid-template-columns: 280px 1fr;
    gap: 48px;
    align-items: start;
  }

  .page-news__sidebar {
    position: sticky;
    top: 24px;
  }

  .page-news__feature-card {
    flex-direction: row;
    align-items: stretch;
  }

  .page-news__feature-media {
    flex: 0 0 55%;
    border-bottom: none;
    border-right: 3px solid var(--news-navy);
    max-height: 360px;
  }

  .page-news__feature-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .page-news__feature-title {
    font-size: 34px;
  }

  .page-news__list {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .page-news__item--slim {
    grid-column: span 1;
  }

  .page-news__topic-grid {
    grid-template-columns: 1.3fr 1fr;
    gap: 64px;
    align-items: center;
  }

  .page-news__subscribe-card {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 40px 48px;
  }
}

@media (min-width: 1024px) {
  .page-news__feature-title {
    font-size: 40px;
  }

  .page-news__list {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-news__item:first-child {
    grid-column: 1 / -1;
  }

  .page-news__item:first-child .page-news__item-link {
    flex-direction: row;
  }

  .page-news__item:first-child .page-news__item-media {
    flex: 0 0 45%;
    border-right: 2px solid var(--news-navy);
  }

  .page-news__item:first-child .page-news__item-title {
    font-size: 26px;
  }
}

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

  .page-news__feature-link:hover .page-news__feature-card,
  .page-news__item:hover {
    transform: none;
    box-shadow: 4px 4px 0 var(--news-navy);
  }
}