.page-news {
  --news-rule: rgba(199, 211, 221, 0.22);
  --news-rule-strong: rgba(40, 224, 208, 0.45);
  color: var(--fg);
}

.page-news .breadcrumb {
  padding-top: calc(var(--header-h) + 22px);
  margin-bottom: 26px;
}

.page-news .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fg-faint);
  text-transform: uppercase;
}

.page-news .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--fg-faint);
}

.page-news .breadcrumb-list a {
  color: var(--fg-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-news .breadcrumb-list a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- HERO ---------- */
.page-news .news-hero {
  position: relative;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--news-rule);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -18px;
  right: 6%;
  width: 220px;
  height: 220px;
  border: 1px solid var(--news-rule);
  transform: skewY(-8deg);
  opacity: 0.5;
  pointer-events: none;
}

.page-news .news-hero-grid {
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr;
  align-items: start;
}

.page-news .news-hero-main h1 {
  font-family: var(--font-head);
  font-weight: 300;
  font-size: clamp(38px, 8vw, 84px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 18px 0 20px;
  color: var(--mist);
}

.page-news .news-hero-main .lede {
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--fg-dim);
}

.page-news .news-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-news .news-hero-side {
  border: 1px solid var(--news-rule);
  border-left: 2px solid var(--cyan);
  background: linear-gradient(180deg, rgba(18, 59, 68, 0.35), rgba(10, 27, 46, 0.1));
  padding: 22px 20px;
}

.page-news .side-head {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 16px;
}

.page-news .side-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .side-list li {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 12px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--news-rule);
  font-size: 14px;
  line-height: 1.6;
  color: var(--fg-dim);
}

.page-news .side-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .side-list .mono {
  color: var(--amber);
  font-size: 12px;
  letter-spacing: 0.02em;
}

/* ---------- SECTION BASE ---------- */
.page-news .section {
  padding: 64px 0;
}

.page-news .section-head {
  display: grid;
  gap: 16px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--news-rule);
  margin-bottom: 36px;
}

.page-news .section-head .section-title {
  font-family: var(--font-head);
  font-weight: 400;
  font-size: clamp(28px, 5vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--mist);
  margin: 12px 0 0;
}

.page-news .section-head .lede {
  color: var(--fg-dim);
  font-size: 16px;
  line-height: 1.8;
  max-width: 58ch;
  margin: 0;
}

.page-news .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0;
}

/* ---------- NEWS LAYOUT ---------- */
.page-news .news-layout {
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr;
}

.page-news .news-filter {
  align-self: start;
  border: 1px solid var(--news-rule);
  padding: 20px;
  background: rgba(18, 59, 68, 0.18);
}

.page-news .filter-head {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-faint);
  margin: 0 0 14px;
}

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

.page-news .filter-chip {
  appearance: none;
  background: transparent;
  border: 1px solid var(--news-rule);
  color: var(--fg-dim);
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.02em;
  padding: 7px 13px;
  cursor: pointer;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-news .filter-chip:hover {
  border-color: var(--news-rule-strong);
  color: var(--mist);
}

.page-news .filter-chip[aria-pressed="true"] {
  border-color: var(--cyan);
  color: var(--ink);
  background: var(--cyan);
}

.page-news .filter-note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--news-rule);
  font-size: 12px;
  line-height: 1.7;
  color: var(--fg-faint);
}

.page-news .news-list {
  display: grid;
  gap: 4px;
  border-top: 1px solid var(--news-rule);
}

.page-news .news-item {
  position: relative;
  padding: 24px 0 24px 22px;
  border-bottom: 1px solid var(--news-rule);
  transition: background 0.3s var(--ease);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 30px;
  width: 8px;
  height: 8px;
  border: 1px solid var(--news-rule-strong);
  transform: rotate(45deg);
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-news .news-item:hover::before {
  background: var(--amber);
  border-color: var(--amber);
}

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

.page-news .news-item-feature {
  padding: 28px 0 32px 22px;
}

.page-news .news-item-media {
  margin-bottom: 22px;
}

.page-news .news-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fg-faint);
}

.page-news .news-meta .mono {
  color: var(--amber);
}

.page-news .news-title {
  font-family: var(--font-head);
  font-weight: 400;
  font-size: clamp(20px, 3vw, 30px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--mist);
  margin: 0 0 12px;
}

.page-news .news-item-feature .news-title {
  font-size: clamp(24px, 4vw, 38px);
}

.page-news .news-excerpt {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fg-dim);
  max-width: 68ch;
}

.page-news .inline-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(40, 224, 208, 0.4);
  padding-bottom: 2px;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-news .inline-link:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-news .detail-list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-news .detail-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg-dim);
}

.page-news .detail-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- ARCHIVE ---------- */
.page-news .archive {
  border-top: 1px solid var(--news-rule);
}

.page-news .archive-banner {
  margin-bottom: 32px;
  border: 1px solid var(--news-rule);
  padding: 6px;
  background: rgba(6, 16, 28, 0.6);
}

.page-news .timeline {
  position: relative;
  padding-left: 26px;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 16px;
  bottom: 16px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(40, 224, 208, 0.15));
}

.page-news .timeline-item {
  position: relative;
  border-bottom: 1px solid var(--news-rule);
}

.page-news .timeline-trigger {
  position: relative;
  display: grid;
  grid-template-columns: auto 92px 1fr auto;
  align-items: center;
  gap: 14px;
  width: 100%;
  background: transparent;
  border: 0;
  padding: 18px 0;
  text-align: left;
  cursor: pointer;
  color: var(--fg);
  transition: color 0.25s var(--ease);
}

.page-news .timeline-trigger:hover {
  color: var(--cyan);
}

.page-news .timeline-mark {
  position: absolute;
  left: -26px;
  top: 50%;
  width: 11px;
  height: 11px;
  margin-top: -5px;
  border: 1px solid var(--cyan);
  background: var(--ink);
  transform: rotate(45deg);
  transition: background 0.3s var(--ease);
}

.page-news .timeline-item[data-current="true"] .timeline-mark {
  background: var(--amber);
  border-color: var(--amber);
}

.page-news .timeline-code {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-news .timeline-label {
  font-family: var(--font-head);
  font-weight: 400;
  font-size: clamp(17px, 2.4vw, 22px);
  letter-spacing: -0.005em;
  line-height: 1.3;
  color: inherit;
}

.page-news .timeline-item[data-current="true"] .timeline-label {
  color: var(--mist);
}

.page-news .accordion-panel-inner p {
  margin: 0;
  padding: 0 0 18px 106px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fg-dim);
  max-width: 72ch;
}

/* ---------- GUIDE ---------- */
.page-news .guide {
  border-top: 1px solid var(--news-rule);
}

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

.page-news .guide-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 24px;
}

.page-news .guide-card .media-frame {
  margin-bottom: 4px;
}

.page-news .guide-title {
  font-family: var(--font-head);
  font-weight: 400;
  font-size: clamp(19px, 2.6vw, 24px);
  line-height: 1.25;
  letter-spacing: -0.005em;
  color: var(--mist);
  margin: 4px 0 0;
}

.page-news .guide-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fg-dim);
}

.page-news .guide-card .inline-link {
  margin-top: auto;
  align-self: flex-start;
}

/* ---------- SUBSCRIBE ---------- */
.page-news .subscribe {
  border-top: 1px solid var(--news-rule);
}

.page-news .subscribe-panel {
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr;
  padding: 34px 24px;
  border: 1px solid var(--news-rule);
  background:
    linear-gradient(135deg, rgba(40, 224, 208, 0.08), transparent 55%),
    linear-gradient(315deg, rgba(255, 179, 71, 0.1), transparent 45%),
    var(--ink-deep);
}

.page-news .subscribe-title {
  font-family: var(--font-head);
  font-weight: 400;
  font-size: clamp(24px, 4vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--mist);
  margin: 12px 0 16px;
}

.page-news .subscribe-copy p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--fg-dim);
  max-width: 52ch;
  margin: 0;
}

.page-news .subscribe-action {
  display: grid;
  gap: 10px;
  align-content: start;
  padding-left: 20px;
  border-left: 1px solid var(--news-rule-strong);
}

.page-news .subscribe-step {
  margin: 0;
  display: grid;
  grid-template-columns: 34px 1fr;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg-dim);
}

.page-news .subscribe-step .mono {
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-news .subscribe-mail {
  margin: 8px 0 0;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--amber);
  word-break: break-all;
}

.page-news .subscribe-note {
  margin: 0 0 14px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--fg-faint);
}

.page-news .subscribe-action .btn {
  justify-self: start;
}

/* ---------- TAIL LINKS ---------- */
.page-news .news-tail {
  padding-bottom: 72px;
}

.page-news .tail-grid {
  display: grid;
  gap: 1px;
  grid-template-columns: 1fr;
  background: var(--news-rule);
  border: 1px solid var(--news-rule);
}

.page-news .tail-card {
  display: block;
  padding: 26px 22px;
  background: var(--ink);
  text-decoration: none;
  color: var(--fg);
  transition: background 0.3s var(--ease);
}

.page-news .tail-card:hover {
  background: rgba(18, 59, 68, 0.55);
}

.page-news .tail-card h3 {
  font-family: var(--font-head);
  font-weight: 400;
  font-size: 20px;
  line-height: 1.25;
  color: var(--mist);
  margin: 10px 0 10px;
}

.page-news .tail-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg-dim);
}

/* ---------- TABLET ---------- */
@media (min-width: 720px) {
  .page-news .news-hero-grid {
    grid-template-columns: 1.5fr 1fr;
    gap: 44px;
  }

  .page-news .section-head {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 28px 48px;
    align-items: end;
  }

  .page-news .guide-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .subscribe-panel {
    grid-template-columns: 1.1fr 1fr;
    padding: 44px 40px;
  }

  .page-news .tail-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- DESKTOP ---------- */
@media (min-width: 1024px) {
  .page-news .section {
    padding: 84px 0;
  }

  .page-news .news-layout {
    grid-template-columns: 230px minmax(0, 1fr);
    gap: 48px;
  }

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

  .page-news .filter-group {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-news .filter-chip {
    width: 100%;
    text-align: left;
  }

  .page-news .timeline-trigger {
    grid-template-columns: 118px minmax(0, 1fr) auto;
    gap: 20px;
    padding: 22px 0;
  }

  .page-news .timeline-mark {
    left: -27px;
  }

  .page-news .accordion-panel-inner p {
    padding-left: 138px;
  }

  .page-news .news-item {
    padding: 30px 0 30px 30px;
  }

  .page-news .news-item-feature {
    padding: 34px 0 38px 30px;
  }

  .page-news .news-item-feature .news-item-media {
    margin-bottom: 26px;
  }

  .page-news .timeline {
    padding-left: 34px;
  }

  .page-news .timeline::before {
    left: 6px;
  }

  .page-news .subscribe-panel {
    padding: 56px 48px;
  }
}

@media (min-width: 1240px) {
  .page-news .guide-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .filter-chip,
  .page-news .news-item,
  .page-news .tail-card,
  .page-news .inline-link,
  .page-news .timeline-mark {
    transition: none;
  }
}
<<<END>>>