.page-news {
  --news-radius: 2px;
  --news-line: 2px solid var(--line);
}

.page-news .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- Hero ---------- */
.page-news .news-hero {
  display: grid;
  gap: var(--s-5);
  padding-top: var(--s-5);
  padding-bottom: var(--s-4);
}

.page-news .news-hero__lead h1 {
  margin: var(--s-2) 0 var(--s-3);
  font-size: clamp(2rem, 7vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  font-weight: 900;
  color: var(--text);
}

.page-news .news-hero__lead .lede {
  color: var(--muted);
  line-height: 1.8;
  margin: 0;
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  margin-top: var(--s-4);
}

.page-news .news-hero__side {
  position: relative;
  padding: var(--s-4);
  background: var(--ink-800);
  border: var(--news-line);
  border-radius: var(--news-radius);
  box-shadow: var(--shadow-purple);
}

.page-news .news-hero__side::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--purple), var(--cyan));
}

.page-news .news-stats {
  margin: var(--s-2) 0 var(--s-3);
  display: grid;
  gap: var(--s-2);
}

.page-news .news-stats__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s-2);
  padding-bottom: var(--s-1);
  border-bottom: 1px solid var(--line);
}

.page-news .news-stats__row dt {
  color: var(--muted);
  font-size: 14px;
}

.page-news .news-stats__row dd {
  margin: 0;
  color: var(--text);
  font-size: 16px;
  font-weight: 700;
}

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

.page-news .news-banner {
  margin: var(--s-4) 0 0;
}

/* ---------- Section base ---------- */
.page-news .section {
  padding-top: var(--s-6);
}

.page-news .section__lede {
  color: var(--muted);
}

/* ---------- 01 board ---------- */
.page-news .news-board {
  display: grid;
  gap: var(--s-4);
  margin-top: var(--s-4);
}

.page-news .news-filter {
  padding: var(--s-3);
  background: var(--ink-700);
  border: var(--news-line);
  border-radius: var(--news-radius);
}

.page-news .news-filter__title {
  margin: 0 0 var(--s-2);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-news .news-filter .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-1);
}

.page-news .news-filter__hint {
  margin: var(--s-3) 0 0;
}

.page-news .news-feed {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--s-3);
}

.page-news .news-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--s-3);
  padding: var(--s-3);
  background: var(--ink-800);
  border: var(--news-line);
  border-left-width: 6px;
  border-left-color: var(--purple);
  border-radius: var(--news-radius);
  transition: transform 200ms var(--ease), border-left-color 180ms ease-out, box-shadow 200ms var(--ease);
}

.page-news .news-item:hover {
  border-left-color: var(--amber);
  box-shadow: var(--shadow-hard);
  transform: translate(-2px, -2px);
}

.page-news .news-item__num {
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--purple-light);
  padding-top: 4px;
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-2);
  margin: 0 0 var(--s-1);
}

.page-news .news-item__time {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
}

.page-news .news-item__title {
  margin: 0 0 var(--s-2);
  font-size: 18px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--text);
}

.page-news .news-item__more {
  border-top: 1px dashed var(--line);
  padding-top: var(--s-2);
}

.page-news .news-item__more summary {
  cursor: pointer;
  font-size: 14px;
  color: var(--cyan);
  list-style: none;
}

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

.page-news .news-item__more summary::before {
  content: "＋ ";
  font-family: var(--font-mono);
}

.page-news .news-item__more[open] summary::before {
  content: "－ ";
}

.page-news .news-item__more p {
  margin: var(--s-2) 0 0;
  color: var(--muted);
  line-height: 1.8;
  font-size: 15px;
}

/* ---------- 02 roadmap ---------- */
.page-news .news-roadmap {
  display: grid;
  gap: var(--s-4);
  margin-top: var(--s-4);
}

.page-news .news-roadmap__panel {
  background: var(--ink-800);
}

.page-news .news-cadence {
  list-style: none;
  margin: var(--s-2) 0 var(--s-3);
  padding: 0;
  display: grid;
  gap: var(--s-2);
}

.page-news .news-cadence__row {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: var(--s-2);
  align-items: baseline;
  padding-bottom: var(--s-2);
  border-bottom: 1px solid var(--line);
}

.page-news .news-cadence__key {
  font-size: 14px;
  color: var(--amber);
  font-weight: 700;
}

.page-news .news-cadence__val {
  color: var(--text);
  font-size: 15px;
  line-height: 1.7;
}

.page-news .news-roadmap__figure {
  margin: 0;
}

.page-news .news-roadmap__notes {
  display: grid;
  gap: var(--s-3);
  margin-top: var(--s-4);
}

.page-news .news-note {
  padding: var(--s-3);
  background: var(--ink-700);
  border-top: 3px solid var(--cyan);
  border-radius: var(--news-radius);
}

.page-news .news-note__title {
  margin: 0 0 var(--s-1);
  font-size: 17px;
  color: var(--text);
}

.page-news .news-note p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 03 archive ---------- */
.page-news .news-archive__figure {
  margin: var(--s-4) 0 0;
}

.page-news .news-timeline {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(210px, 78%);
  gap: var(--s-2);
  overflow-x: auto;
  padding: var(--s-3) 0 var(--s-2);
  margin-top: var(--s-3);
  scroll-snap-type: x proximity;
}

.page-news .news-timeline__node {
  scroll-snap-align: start;
  display: grid;
  gap: 4px;
  padding: var(--s-3);
  background: var(--ink-800);
  border: var(--news-line);
  border-top-width: 6px;
  border-radius: var(--news-radius);
  text-decoration: none;
  transition: transform 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-news .news-timeline__node:hover,
.page-news .news-timeline__node:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hard);
}

.page-news .news-timeline__node--v1 {
  border-top-color: var(--purple);
}

.page-news .news-timeline__node--v2 {
  border-top-color: var(--cyan);
}

.page-news .news-timeline__node--v3 {
  border-top-color: var(--amber);
}

.page-news .news-timeline__ver {
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
}

.page-news .news-timeline__node--v1 .news-timeline__ver {
  color: var(--purple-light);
}

.page-news .news-timeline__node--v2 .news-timeline__ver {
  color: var(--cyan);
}

.page-news .news-timeline__node--v3 .news-timeline__ver {
  color: var(--amber);
}

.page-news .news-timeline__name {
  font-weight: 700;
  color: var(--text);
  font-size: 16px;
}

.page-news .news-timeline__desc {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.page-news .news-archive {
  display: grid;
  gap: var(--s-2);
  margin-top: var(--s-3);
}

.page-news .news-archive__group {
  background: var(--ink-800);
  border: var(--news-line);
  border-left: 6px solid var(--purple);
  border-radius: var(--news-radius);
  padding: var(--s-3);
}

.page-news .news-archive__group#archive-v2 {
  border-left-color: var(--cyan);
}

.page-news .news-archive__group#archive-v3 {
  border-left-color: var(--amber);
}

.page-news .news-archive__group summary {
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-2);
  list-style: none;
}

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

.page-news .news-archive__ver {
  font-size: 22px;
  font-weight: 700;
  color: var(--purple-light);
}

.page-news .news-archive__group#archive-v2 .news-archive__ver {
  color: var(--cyan);
}

.page-news .news-archive__group#archive-v3 .news-archive__ver {
  color: var(--amber);
}

.page-news .news-archive__label {
  font-weight: 700;
  color: var(--text);
  font-size: 16px;
  margin-right: auto;
}

.page-news .news-archive__list {
  margin: var(--s-3) 0 0;
  padding-left: 1.2em;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.page-news .news-archive__list li::marker {
  color: var(--purple-light);
}

.page-news .news-retrieval {
  margin-top: var(--s-4);
}

.page-news .news-retrieval__card {
  padding: var(--s-3);
  background: var(--ink-700);
  border: var(--news-line);
  border-radius: var(--news-radius);
}

.page-news .news-retrieval__card h3 {
  margin: var(--s-1) 0 var(--s-2);
  font-size: 19px;
  color: var(--text);
}

.page-news .news-retrieval__card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-news .news-retrieval__card .eyebrow {
  color: var(--cyan);
}

/* ---------- 04 retro ---------- */
.page-news .news-retro {
  display: grid;
  gap: var(--s-3);
  margin-top: var(--s-4);
}

.page-news .news-retro__block {
  position: relative;
  padding: var(--s-4) var(--s-3) var(--s-3);
  border: var(--news-line);
  border-radius: var(--news-radius);
  background: var(--ink-800);
}

.page-news .news-retro__block--rules {
  border-top: 8px solid var(--amber);
  background: linear-gradient(160deg, rgba(255, 184, 77, 0.10), transparent 58%), var(--ink-800);
}

.page-news .news-retro__block--cats {
  border-top: 8px solid var(--purple);
  background: linear-gradient(160deg, rgba(108, 59, 255, 0.16), transparent 58%), var(--ink-800);
}

.page-news .news-retro__index {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-news .news-retro__title {
  margin: var(--s-1) 0 var(--s-2);
  font-size: clamp(1.25rem, 4.4vw, 1.7rem);
  line-height: 1.3;
  color: var(--text);
  font-weight: 900;
}

.page-news .news-retro__text {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
  font-size: 15px;
}

.page-news .news-retro__after {
  margin: var(--s-3) 0 0;
  padding-top: var(--s-2);
  border-top: 1px dashed var(--line);
  color: var(--text);
  font-size: 15px;
  font-weight: 700;
}

.page-news .news-retro__figure {
  margin: var(--s-4) 0 0;
}

/* ---------- 05 entry ---------- */
.page-news .news-entry {
  margin-top: var(--s-4);
}

.page-news .news-entry__card {
  display: grid;
  gap: var(--s-1);
  padding: var(--s-4) var(--s-3);
  background: var(--ink-800);
  border: var(--news-line);
  border-radius: var(--news-radius);
  text-decoration: none;
  transition: transform 180ms var(--ease), box-shadow 180ms var(--ease), border-color 180ms ease-out;
}

.page-news .news-entry__card:hover,
.page-news .news-entry__card:focus-visible {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-hard);
}

.page-news .news-entry__card--archive {
  border-color: var(--purple);
}

.page-news .news-entry__card--products {
  border-color: var(--amber);
}

.page-news .news-entry__card--faqs {
  border-color: var(--cyan);
}

.page-news .news-entry__card--contact {
  border-color: var(--line);
}

.page-news .news-entry__label {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-news .news-entry__card h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.4;
  color: var(--text);
}

.page-news .news-entry__card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-news .news-entry__go {
  margin-top: var(--s-2);
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan);
}

.page-news .news-entry__card--products .news-entry__go {
  color: var(--amber);
}

.page-news .news-entry__foot {
  margin-top: var(--s-4);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-roadmap__notes,
  .page-news .news-retro {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-retro__block--cats {
    grid-column: 1 / -1;
  }

  .page-news .news-timeline {
    grid-auto-columns: minmax(220px, 1fr);
    grid-auto-flow: row;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    overflow: visible;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: var(--s-6);
  }

  .page-news .news-hero__side {
    margin-top: var(--s-3);
  }

  .page-news .news-roadmap {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: stretch;
  }

  .page-news .news-retro {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-news .news-retro__block--cats {
    grid-column: auto;
  }

  .page-news .news-item__num {
    font-size: 32px;
  }
}

@media (min-width: 1040px) {
  .page-news .news-board {
    grid-template-columns: 260px minmax(0, 1fr);
    align-items: start;
    gap: var(--s-5);
  }

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

  .page-news .news-filter .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-timeline__node,
  .page-news .news-entry__card {
    transition: border-color 180ms ease-out, color 180ms ease-out;
    transform: none;
  }

  .page-news .news-item:hover,
  .page-news .news-timeline__node:hover,
  .page-news .news-entry__card:hover {
    transform: none;
    box-shadow: none;
  }
}
<<<END>>>