.page-news {
  color: var(--ink);
  font-family: var(--ff-body);
}

.page-news [data-section] {
  scroll-margin-top: 100px;
}

/* ---------- Hero ---------- */
.page-news .news-hero {
  padding-block: 8px 40px;
}

.page-news .crumbs {
  padding-block: 10px 22px;
}

.page-news .frame {
  position: relative;
  border: 2px solid var(--steel);
  background: linear-gradient(165deg, var(--panel-2) 0%, var(--panel-1) 62%, rgba(4, 16, 26, .96) 100%);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-news .frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(43, 232, 200, .07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(43, 232, 200, .07) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
}

.page-news .frame::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 90, 54, .28), transparent 68%);
  pointer-events: none;
}

.page-news .frame__bar {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(4, 16, 26, .72);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--ink-dim);
}

.page-news .frame__ticks {
  flex: 1;
  height: 8px;
  min-width: 40px;
  background: repeating-linear-gradient(to right, var(--steel) 0 1px, transparent 1px 12px);
  opacity: .8;
}

.page-news .frame__bar-state {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--mint);
  white-space: nowrap;
}

.page-news .frame__body {
  position: relative;
  padding: 26px 20px 30px;
}

.page-news .frame__kicker {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-news .frame__body h1 {
  font-family: var(--ff-display);
  font-size: 44px;
  line-height: 1.04;
  letter-spacing: -.02em;
  margin: 0 0 16px;
  color: var(--white);
  text-shadow: 0 0 26px rgba(43, 232, 200, .25);
}

.page-news .frame__body .lead {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-dim);
}

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

.page-news .frame__jump a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  background: rgba(4, 16, 26, .5);
  color: var(--ink);
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-decoration: none;
  transition: border-color .18s ease, color .18s ease, transform .18s ease;
}

.page-news .frame__jump a:hover,
.page-news .frame__jump a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

/* ---------- Chapter ---------- */
.page-news .news-feed,
.page-news .news-topics,
.page-news .news-roadmap {
  padding-block: 8px 56px;
}

.page-news .chapter {
  margin-bottom: 26px;
}

.page-news .chapter__main {
  border-left: 2px solid var(--line);
  padding-left: 14px;
}

.page-news .chapter__note {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-dim);
}

/* ---------- Feed ---------- */
.page-news .feed-grid {
  display: grid;
  gap: 22px;
}

.page-news .cat-index {
  border: 2px solid var(--steel);
  background: var(--panel-1);
  padding: 14px 12px 12px;
}

.page-news .cat-index__head {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--heat);
}

.page-news .cat-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-news .cat-index__item {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 10px;
  border-left: 2px solid transparent;
  color: var(--ink-dim);
  font-size: 14px;
  text-decoration: none;
  transition: color .18s ease, border-color .18s ease, background .18s ease;
}

.page-news .cat-index__item:hover,
.page-news .cat-index__item:focus-visible {
  color: var(--ink);
  border-left-color: var(--heat);
  background: rgba(43, 232, 200, .07);
}

.page-news .cat-index__num {
  font-size: 12px;
  color: var(--cyan);
  min-width: 2ch;
}

.page-news .feed-group {
  scroll-margin-top: 110px;
}

.page-news .feed-group + .feed-group {
  margin-top: 28px;
}

.page-news .feed-group__title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 4px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-news .feed-group__count {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--heat);
}

.page-news .item {
  position: relative;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: padding-left .18s ease;
}

.page-news .item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  background: var(--heat);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .2s ease;
}

.page-news .item:hover::before,
.page-news .item:focus-within::before {
  transform: scaleY(1);
}

.page-news .item:hover {
  padding-left: 14px;
}

.page-news .item__time {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--heat);
}

.page-news .item__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}

.page-news .item__sum {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-dim);
  max-width: 62ch;
}

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

.page-news .item__tags .tag {
  font-size: 11px;
  padding: 3px 8px;
}

/* ---------- Topics ---------- */
.page-news .topic-grid {
  display: grid;
  gap: 22px;
}

.page-news .topic {
  display: flex;
  flex-direction: column;
  border: 2px solid var(--steel);
  background: var(--panel-1);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-news .topic--wide {
  box-shadow: var(--shadow-cyan);
}

.page-news .topic__cover {
  position: relative;
  overflow: hidden;
  margin-bottom: -20px;
  clip-path: polygon(0 0, 100% 0, 100% 94%, 0 100%);
  background: var(--panel-2);
}

.page-news .topic__cover img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(.85) contrast(1.05);
}

.page-news .topic__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
  padding: 26px 18px 20px;
}

.page-news .topic__badge {
  align-self: flex-start;
  border: 1px solid var(--line);
  padding: 4px 9px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-news .topic__badge--heat {
  color: var(--heat);
  border-color: rgba(255, 90, 54, .4);
}

.page-news .topic__title {
  margin: 0;
  font-family: var(--ff-display);
  font-size: 23px;
  line-height: 1.22;
  color: var(--white);
}

.page-news .topic__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-dim);
}

.page-news .topic__more {
  margin-top: auto;
  border-top: 1px solid var(--line-soft);
  padding-top: 10px;
}

.page-news .topic__more summary {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  cursor: pointer;
  list-style: none;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mint);
}

.page-news .topic__more summary::-webkit-details-marker {
  display: none;
}

.page-news .topic__more summary::after {
  content: "+";
  margin-left: auto;
  font-size: 15px;
  line-height: 1;
  transition: transform .22s ease;
}

.page-news .topic__more[open] summary::after {
  transform: rotate(45deg);
}

.page-news .topic__list {
  list-style: none;
  margin: 6px 0 4px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.page-news .topic__list li {
  position: relative;
  padding-left: 15px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-dim);
}

.page-news .topic__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  background: var(--violet);
}

.page-news .topic__link {
  margin: 4px 0 0;
  font-size: 13px;
}

.page-news .topic__link a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed var(--line);
  padding-bottom: 2px;
}

.page-news .topic__link a:hover {
  color: var(--mint);
}

/* ---------- Roadmap ---------- */
.page-news .roadmap-grid {
  display: grid;
  gap: 26px;
}

.page-news .timeline {
  list-style: none;
  margin: 0;
  padding: 4px 0 0 24px;
  position: relative;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(to bottom, var(--cyan), var(--steel) 70%, transparent);
}

.page-news .timeline__item {
  position: relative;
  padding-bottom: 26px;
}

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

.page-news .timeline__item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--sea);
  border: 2px solid var(--cyan);
  border-radius: 50%;
}

.page-news .timeline__tag {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--heat);
}

.page-news .timeline__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.42;
  color: var(--ink);
}

.page-news .timeline__text {
  margin: 0;
  max-width: 54ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-dim);
}

.page-news .media-frame {
  overflow: hidden;
  border: 2px solid var(--steel);
  background: var(--panel-2);
  margin: 0;
}

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

.page-news .media-frame__cap {
  display: block;
  padding: 9px 12px;
  border-top: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--ink-dim);
}

.page-news .roadmap-visual {
  align-self: start;
}

/* ---------- Follow ---------- */
.page-news .news-follow {
  position: relative;
  background: var(--panel-2);
  border-top: 2px solid var(--steel);
  padding-block: 48px 56px;
  margin-top: 8px;
}

.page-news .news-follow::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 34px;
  background: var(--sea);
  clip-path: polygon(0 0, 100% 0, 0 100%);
  pointer-events: none;
}

.page-news .follow-grid {
  position: relative;
  display: grid;
  gap: 28px;
}

.page-news .follow-copy h2 {
  margin: 0 0 14px;
  font-family: var(--ff-display);
  font-size: 27px;
  line-height: 1.2;
  color: var(--white);
}

.page-news .follow-copy > p {
  margin: 0 0 16px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-dim);
}

.page-news .follow-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.page-news .follow-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-dim);
}

.page-news .follow-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 8px;
  height: 8px;
  background: var(--mint);
  box-shadow: 0 0 0 3px rgba(124, 255, 217, .16);
}

.page-news .follow-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.page-news .follow-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-dim);
}

.page-news .follow-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed var(--line);
}

.page-news .follow-note a:hover {
  color: var(--mint);
}

.page-news .follow-visual {
  align-self: start;
}

/* ---------- Breakpoints ---------- */
@media (min-width: 700px) {
  .page-news .frame__body {
    padding: 34px 32px 38px;
  }

  .page-news .frame__body h1 {
    font-size: 64px;
  }

  .page-news .frame__body .lead {
    font-size: 17px;
  }

  .page-news .item__title {
    font-size: 18px;
  }

  .page-news .topic__body {
    padding: 30px 26px 24px;
  }

  .page-news .topic__title {
    font-size: 28px;
  }

  .page-news .follow-copy h2 {
    font-size: 32px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero {
    padding-block: 12px 56px;
  }

  .page-news .frame__body {
    padding: 44px 48px 50px;
  }

  .page-news .frame__body h1 {
    font-size: 82px;
  }

  .page-news .feed-grid {
    grid-template-columns: 218px minmax(0, 1fr);
    gap: 46px;
    align-items: start;
  }

  .page-news .cat-index {
    position: sticky;
    top: 96px;
  }

  .page-news .cat-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-news .topic-grid {
    grid-template-columns: 1.28fr .92fr;
    gap: 28px;
    align-items: start;
  }

  .page-news .roadmap-grid {
    grid-template-columns: minmax(0, 1fr) 372px;
    gap: 44px;
    align-items: start;
  }

  .page-news .follow-grid {
    grid-template-columns: minmax(0, 1fr) 400px;
    gap: 48px;
    align-items: center;
  }
}

@media (min-width: 1200px) {
  .page-news .frame__body h1 {
    font-size: 92px;
  }

  .page-news .follow-copy h2 {
    font-size: 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .frame__jump a,
  .page-news .cat-index__item,
  .page-news .item,
  .page-news .item::before,
  .page-news .topic__more summary::after {
    transition: none;
  }

  .page-news .item:hover {
    padding-left: 0;
  }

  .page-news .frame__jump a:hover {
    transform: none;
  }
}