.page-news {
  --news-tick: 96px;
  --news-shift: 0px;
  background:
    radial-gradient(900px 480px at 88% -6%, rgba(61, 240, 210, 0.10), transparent 60%),
    radial-gradient(760px 420px at 2% 24%, rgba(242, 169, 59, 0.07), transparent 62%);
  overflow-x: clip;
}

.page-news .news-head {
  padding-top: clamp(20px, 4vw, 44px);
}

.page-news .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-news .news-head__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3.5vw, 40px);
  padding-top: clamp(20px, 3vw, 34px);
  border-top: 1px solid var(--line);
}

.page-news .news-head__lead {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--mist);
}

.page-news .news-head__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-news .news-head__stats {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: clamp(18px, 3vw, 26px);
}

.page-news .news-head__big {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-size: 14px;
  color: var(--mist);
}

.page-news .news-head__big .anchor-num {
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 7vw, 3.4rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cyan);
}

.page-news .news-head__list {
  list-style: none;
  margin: 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--mist);
}

.page-news .news-head__list .mono {
  display: inline-block;
  min-width: 2.2em;
  margin-right: 8px;
  font-size: 15px;
  color: var(--amber);
}

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

.page-news .news-stream {
  padding-block: clamp(36px, 6vw, 72px);
}

.page-news .news-band {
  margin: clamp(20px, 3vw, 30px) 0 clamp(22px, 3.2vw, 34px);
}

.page-news .news-filter {
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
}

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

.page-news .ann-views {
  display: grid;
  gap: 16px;
}

.page-news .ann-view {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .ann-view__switch {
  display: inline-flex;
  justify-self: start;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(17, 28, 47, 0.75);
}

.page-news .ann-view__switch label {
  padding: 7px 16px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--mist);
  cursor: pointer;
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
}

.page-news .ann-view__switch label:hover {
  color: var(--white);
}

.page-news #ann-view-stream:checked ~ .ann-view__switch label[for="ann-view-stream"],
.page-news #ann-view-timeline:checked ~ .ann-view__switch label[for="ann-view-timeline"] {
  background: var(--cyan);
  color: var(--cyan-ink);
  font-weight: 700;
}

.page-news .ann-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2.6vw, 28px);
}

.page-news .ann-item {
  --news-shift: 0px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
}

.page-news .ann-item__tick {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
  padding-bottom: 4px;
}

.page-news .ann-card {
  position: relative;
  margin-left: var(--news-shift, 0px);
  padding: clamp(16px, 2.4vw, 24px);
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: linear-gradient(170deg, rgba(17, 28, 47, 0.97), rgba(11, 18, 32, 0.9));
  box-shadow: var(--shadow);
  transition: border-color 0.2s var(--ease), margin-left 0.25s var(--ease);
}

.page-news .ann-card:hover {
  border-color: rgba(61, 240, 210, 0.42);
}

.page-news .ann-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.page-news .ann-card__id {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-news .ann-card__title {
  margin: 0 0 8px;
  font-size: clamp(17px, 2vw, 19px);
  line-height: 1.5;
  font-weight: 600;
  color: var(--white);
}

.page-news .ann-card__sum {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .ann-more {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

.page-news .ann-more summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--cyan);
}

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

.page-news .ann-more summary::before {
  content: "+";
  font-size: 15px;
  line-height: 1;
}

.page-news .ann-more[open] summary::before {
  content: "−";
}

.page-news .ann-more p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .empty-state {
  margin: 0;
}

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

/* 时间轴视图：刻度转为横向色带，卡片单列排布 */
.page-news #ann-view-timeline:checked ~ .ann-list {
  gap: clamp(10px, 1.6vw, 16px);
}

.page-news #ann-view-timeline:checked ~ .ann-list .ann-item {
  grid-template-columns: minmax(0, 1fr);
  --news-shift: 0px;
}

.page-news #ann-view-timeline:checked ~ .ann-list .ann-item__tick {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 0 4px;
  border-right: 0;
  text-align: left;
  min-height: 0;
}

.page-news #ann-view-timeline:checked ~ .ann-list .ann-item__tick::after {
  content: "";
  position: static;
  flex: 1 1 auto;
  width: auto;
  height: 3px;
  border: 0;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--amber), rgba(242, 169, 59, 0.05));
}

.page-news #ann-view-timeline:checked ~ .ann-list .ann-card {
  margin-left: 0;
  border-left: 3px solid var(--cyan);
}

.page-news .news-labels {
  padding-block: clamp(30px, 5vw, 60px);
}

.page-news .news-labels__grid {
  align-items: center;
}

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

.page-news .label-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .label-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .label-list .tag {
  justify-self: start;
}

.page-news .label-list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .news-rules {
  padding-block: clamp(30px, 5vw, 60px);
}

.page-news .news-rules__grid {
  margin-top: clamp(18px, 3vw, 28px);
  align-items: start;
}

.page-news .season-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .season-list__item {
  display: grid;
  gap: 10px;
  padding: clamp(16px, 2.2vw, 22px);
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: rgba(17, 28, 47, 0.6);
}

.page-news .season-list__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .season-list__ver {
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-news .season-list__item h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  color: var(--white);
}

.page-news .season-list__scope {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

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

.page-news .news-archive {
  padding-block: clamp(30px, 5vw, 60px);
}

.page-news .fold-list {
  display: grid;
  gap: 12px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-news .archive-fold {
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: rgba(17, 28, 47, 0.55);
  overflow: hidden;
}

.page-news .archive-fold summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding: clamp(14px, 2vw, 18px) clamp(16px, 2.4vw, 22px);
  list-style: none;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

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

.page-news .archive-fold summary:hover,
.page-news .archive-fold[open] summary {
  background: rgba(61, 240, 210, 0.06);
  border-left-color: var(--cyan);
}

.page-news .archive-fold summary .mono {
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--white);
}

.page-news .archive-fold__hint {
  font-size: 13px;
  color: var(--mist);
}

.page-news .archive-fold__body {
  display: grid;
  justify-items: start;
  gap: 12px;
  padding: 0 clamp(16px, 2.4vw, 22px) clamp(16px, 2.4vw, 22px);
}

.page-news .archive-fold__body p {
  margin: 0;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .news-order {
  padding-block: clamp(30px, 5vw, 60px);
}

.page-news .step-list {
  list-style: none;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 18px);
}

.page-news .step-list li {
  padding-top: 16px;
  border-top: 3px solid var(--amber);
}

.page-news .step-list li:nth-child(2) {
  border-top-color: var(--cyan);
}

.page-news .step-list li:nth-child(3) {
  border-top-color: var(--ember);
}

.page-news .step-list__num {
  display: block;
  margin-bottom: 10px;
  font-size: 30px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-news .step-list h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
  color: var(--white);
}

.page-news .step-list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .news-tail {
  padding-block: clamp(30px, 5vw, 56px);
}

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

.page-news .news-tail__cta {
  display: grid;
  justify-items: start;
  gap: 14px;
  margin-top: clamp(16px, 2.4vw, 24px);
  padding: clamp(18px, 3vw, 28px);
}

.page-news .news-tail__cta p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

@media (min-width: 560px) {
  .page-news .label-list li {
    grid-template-columns: minmax(0, auto) minmax(0, 1fr);
    gap: 14px;
  }
}

@media (min-width: 760px) {
  .page-news .ann-item {
    grid-template-columns: var(--news-tick) minmax(0, 1fr);
    gap: clamp(14px, 2vw, 24px);
    align-items: start;
  }

  .page-news .ann-item__tick {
    position: relative;
    min-height: 68px;
    padding: 16px 16px 0 0;
    border-right: 1px solid var(--line);
    text-align: right;
  }

  .page-news .ann-item__tick::after {
    content: "";
    position: absolute;
    top: 21px;
    right: -5px;
    width: 9px;
    height: 9px;
    border: 2px solid var(--amber);
    border-radius: 50%;
    background: var(--ink);
  }

  .page-news #ann-view-timeline:checked ~ .ann-list .ann-item__tick::after {
    position: static;
    flex: 1 1 auto;
    width: auto;
    height: 3px;
    border: 0;
    border-radius: 2px;
  }
}

@media (min-width: 820px) {
  .page-news .step-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(16px, 2.4vw, 24px);
  }
}

@media (min-width: 900px) {
  .page-news .news-head__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-news .ann-item:nth-child(2n) {
    --news-shift: 32px;
  }

  .page-news .ann-item:nth-child(3n) {
    --news-shift: 14px;
  }
}
<<<END>>>