.page-news {
  --news-accent-glow: rgba(255, 87, 34, 0.16);
  --news-neon-glow: rgba(0, 230, 118, 0.12);
  position: relative;
  overflow-x: hidden;
  background:
    radial-gradient(ellipse at 85% -5%, var(--news-accent-glow) 0%, transparent 55%),
    radial-gradient(ellipse at 8% 42%, rgba(0, 176, 255, 0.06) 0%, transparent 45%),
    var(--bg-void);
  color: var(--text-strong);
  font-family: var(--font-body);
}

.page-news__header {
  position: relative;
  padding: 48px 0 42px;
  border-bottom: 1px solid var(--border);
}

.page-news__header::before {
  content: "";
  position: absolute;
  top: -20px;
  right: -40px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(255, 87, 34, 0.14) 0%, transparent 68%);
  transform: skewX(-12deg);
  pointer-events: none;
}

.page-news__header::after {
  content: "";
  display: block;
  width: 120px;
  height: 4px;
  margin-top: 30px;
  background: linear-gradient(90deg, var(--accent-soft), var(--accent-deep));
  transform: skewX(-18deg);
}

.page-news__header .display-title {
  max-width: 760px;
  margin: 12px 0 0;
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1.08;
  text-transform: uppercase;
  letter-spacing: -0.5px;
}

.page-news__header .lead {
  max-width: 680px;
  margin-top: 18px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-sub);
}

.page-news__header-cta {
  margin-top: 24px;
}

.page-news__editorial {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding: 44px 0 56px;
}

.page-news__index-title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-style: italic;
  font-weight: 900;
  font-size: 22px;
  letter-spacing: -0.3px;
  color: var(--text-strong);
  text-transform: uppercase;
}

.page-news__index-title::before {
  content: "更新目录 / 06";
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-body);
  font-size: 11px;
  font-style: normal;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--text-sub);
}

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

.page-news__index-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  font-size: 13px;
  color: var(--text-strong);
  text-decoration: none;
  border: 1px solid var(--border);
  background: var(--bg-deep);
  transition: border-color 0.2s, color 0.2s, transform 0.2s;
}

.page-news__index-link span {
  font-family: var(--font-head);
  font-style: italic;
  font-weight: 900;
  font-size: 14px;
  color: var(--accent);
}

.page-news__index-link:hover {
  color: var(--accent);
  border-color: rgba(255, 87, 34, 0.5);
  transform: translateY(-2px);
}

.page-news__list {
  display: flex;
  flex-direction: column;
}

.page-news__item {
  position: relative;
  padding: 30px 0 34px;
  border-bottom: 1px solid var(--border);
  transition: background 0.3s ease;
}

.page-news__item::before {
  content: "";
  position: absolute;
  left: -12px;
  top: 0;
  width: 3px;
  height: 0;
  background: linear-gradient(180deg, var(--accent-soft), var(--accent-deep));
  transition: height 0.35s ease;
}

.page-news__item:hover::before {
  height: 100%;
}

.page-news__item-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
}

.page-news__item-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 46px;
  height: 34px;
  padding: 0 8px;
  font-family: var(--font-head);
  font-style: italic;
  font-weight: 900;
  font-size: 22px;
  letter-spacing: -0.5px;
  color: var(--accent);
  background: linear-gradient(135deg, rgba(255, 87, 34, 0.18) 0%, rgba(255, 61, 0, 0.04) 100%);
  border-left: 2px solid var(--accent);
}

.page-news__item-tag {
  display: inline-block;
  padding: 3px 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--neon);
  border: 1px solid rgba(0, 230, 118, 0.45);
  transform: skewX(-8deg);
}

.page-news__item-title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-style: italic;
  font-weight: 900;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: -0.3px;
  color: var(--text-strong);
  text-transform: uppercase;
}

.page-news__item-excerpt {
  margin: 0;
  max-width: 720px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-sub);
}

.page-news__item-figure {
  position: relative;
  margin: 20px 0 0;
}

.page-news__item-figure img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--border);
  background: var(--bg-deep);
  object-fit: cover;
}

.page-news__item-figure--lead img {
  width: 100%;
}

.page-news__item-figure--lead::after {
  content: "";
  position: absolute;
  right: -8px;
  bottom: -8px;
  width: 40px;
  height: 40px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  pointer-events: none;
}

.page-news__item-figure--small {
  max-width: 320px;
}

.page-news__item-figure--small img {
  width: 100%;
  max-width: 300px;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news__item-more {
  margin-top: 16px;
  border: 1px solid rgba(42, 46, 94, 0.6);
  background: rgba(15, 18, 38, 0.5);
}

.page-news__item-more summary {
  cursor: pointer;
  padding: 10px 14px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--accent-soft);
  list-style: none;
  transition: color 0.2s;
}

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

.page-news__item-more summary::before {
  content: "+";
  display: inline-block;
  margin-right: 8px;
  font-weight: 700;
  color: var(--accent);
}

.page-news__item-more[open] summary::before {
  content: "–";
}

.page-news__item-more summary:hover {
  color: var(--accent);
}

.page-news__item-more p {
  margin: 0;
  padding: 0 14px 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-sub);
}

.page-news__item-more p:first-of-type {
  padding-top: 0;
}

.page-news__feature {
  padding: 56px 0;
  border-top: 1px solid var(--border);
}

.page-news__feature .lead {
  max-width: 640px;
  margin: 12px 0 32px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-sub);
}

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

.page-news__feature-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news__feature-step {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.page-news__feature-step > span {
  font-family: var(--font-head);
  font-style: italic;
  font-weight: 900;
  font-size: 26px;
  letter-spacing: -0.5px;
  color: var(--accent);
  line-height: 1;
}

.page-news__feature-step strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-head);
  font-style: italic;
  font-weight: 900;
  font-size: 17px;
  letter-spacing: -0.2px;
  color: var(--text-strong);
  text-transform: uppercase;
}

.page-news__feature-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-sub);
}

.page-news__feature-aside {
  align-self: start;
  padding: 22px;
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-deep);
}

.page-news__feature-aside p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-sub);
}

.page-news__feature-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news__insights {
  padding: 56px 0;
  border-top: 1px solid var(--border);
}

.page-news__insights h2,
.page-news__feature h2,
.page-news__subscribe h2 {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 34px);
  letter-spacing: -0.4px;
  color: var(--text-strong);
  text-transform: uppercase;
}

.page-news__insights-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 32px 0;
}

.page-news__insights .stat {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 110px;
  padding: 20px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
}

.page-news__insights .stat-num {
  font-family: var(--font-head);
  font-style: italic;
  font-weight: 900;
  font-size: 34px;
  line-height: 1;
  letter-spacing: -0.5px;
  color: var(--accent);
}

.page-news__insights .stat-label {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-sub);
  letter-spacing: 0.04em;
}

.page-news__trend {
  margin: 28px 0;
  padding: 24px;
  background: rgba(26, 30, 62, 0.7);
  border: 1px solid var(--border);
}

.page-news__trend-title {
  margin: 0 0 18px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-strong);
  letter-spacing: 0.02em;
}

.page-news__trend-row {
  display: grid;
  grid-template-columns: 56px 1fr 48px;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.page-news__trend-row:last-child {
  margin-bottom: 0;
}

.page-news__trend-region {
  font-family: var(--font-head);
  font-style: italic;
  font-weight: 900;
  font-size: 16px;
  color: var(--data-blue);
}

.page-news__trend-bar {
  height: 10px;
  background: rgba(42, 46, 94, 0.6);
  overflow: hidden;
}

.page-news__trend-fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-soft), var(--accent-deep));
  transform: skewX(-14deg);
  transform-origin: left center;
}

.page-news__trend-fill--lpl {
  width: 42%;
}

.page-news__trend-fill--lck {
  width: 31%;
}

.page-news__trend-fill--lec {
  width: 27%;
}

.page-news__trend-row b {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--neon);
  text-align: right;
}

.page-news__trend-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.page-news__trend-card {
  padding: 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--data-blue);
}

.page-news__trend-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-style: italic;
  font-weight: 900;
  font-size: 17px;
  letter-spacing: -0.2px;
  color: var(--text-strong);
  text-transform: uppercase;
}

.page-news__trend-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-sub);
}

.page-news__insights-footer {
  margin-top: 8px;
}

.page-news__subscribe {
  position: relative;
  max-width: 720px;
  margin: 32px auto 64px;
  padding: 48px 28px 40px;
  text-align: center;
  background: var(--bg-deep);
  border: 1px solid rgba(0, 230, 118, 0.55);
  animation: page-news__current 3s ease-in-out infinite;
}

.page-news__subscribe::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--neon));
}

.page-news__subscribe-desc {
  max-width: 440px;
  margin: 18px auto 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-sub);
}

.page-news__subscribe-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  max-width: 480px;
  margin: 28px auto 0;
  padding: 14px;
  background: rgba(15, 18, 38, 0.8);
  border: 1px solid var(--border);
}

.page-news__subscribe-mail {
  font-size: 14px;
  color: var(--text-sub);
  letter-spacing: 0.02em;
  word-break: break-all;
}

.page-news__subscribe-tip {
  margin: 18px 0 0;
  font-size: 12px;
  color: var(--text-sub);
  opacity: 0.8;
}

@keyframes page-news__current {
  0%, 100% {
    border-color: rgba(0, 230, 118, 0.55);
    box-shadow: 0 0 16px rgba(0, 230, 118, 0.12), inset 0 0 16px rgba(0, 230, 118, 0.05);
  }
  50% {
    border-color: rgba(255, 87, 34, 0.55);
    box-shadow: 0 0 28px rgba(255, 87, 34, 0.18), inset 0 0 28px rgba(255, 87, 34, 0.08);
  }
}

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

  .page-news__subscribe-box {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

@media (min-width: 961px) {
  .page-news__header {
    padding: 64px 0 52px;
  }

  .page-news__editorial {
    grid-template-columns: 220px 1fr;
    gap: 52px;
    padding: 56px 0 64px;
  }

  .page-news__index {
    position: sticky;
    top: calc(var(--header-height) + 28px);
    align-self: start;
    border-right: 1px solid var(--border);
    padding-right: 28px;
  }

  .page-news__index-list {
    display: block;
    gap: 0;
  }

  .page-news__index-link {
    width: 100%;
    justify-content: space-between;
    padding: 12px 4px;
    font-size: 14px;
    background: none;
    border: none;
    border-bottom: 1px solid rgba(42, 46, 94, 0.5);
    border-radius: 0;
    transform: none;
  }

  .page-news__index-link:hover {
    color: var(--accent);
    border-bottom-color: rgba(255, 87, 34, 0.5);
    padding-left: 8px;
  }

  .page-news__item {
    padding: 36px 0 40px;
  }

  .page-news__item::before {
    left: -24px;
  }

  .page-news__item-title {
    font-size: 24px;
  }

  .page-news__feature-grid {
    grid-template-columns: 1fr 300px;
    gap: 48px;
  }

  .page-news__insights-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }

  .page-news__subscribe {
    padding: 56px 48px 48px;
  }
}