.page-news {
  --news-rail-w: 240px;
  --news-media-w: 320px;
  --news-line: 2px solid var(--edge);
  display: block;
}

.page-news img {
  max-width: 100%;
  height: auto;
}

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

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  padding-block: clamp(26px, 4.5vw, 58px) clamp(34px, 5vw, 74px);
  background-image:
    radial-gradient(760px 340px at 84% -12%, rgba(25, 245, 208, 0.13), transparent 68%),
    radial-gradient(520px 300px at 4% 108%, rgba(255, 90, 42, 0.09), transparent 70%),
    linear-gradient(118deg, rgba(16, 36, 72, 0.9) 0%, rgba(5, 11, 26, 0) 58%);
  border-bottom: 2px solid var(--edge);
}

.page-news .news-hero .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 34px);
}

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  align-items: end;
}

.page-news .news-hero__lede h1 {
  margin: 14px 0 0;
  font-size: clamp(2.1rem, 6.4vw, 4.4rem);
  line-height: 1.06;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--ice);
}

.page-news .news-hero__text {
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--steel);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-news .news-hero__board {
  padding: clamp(18px, 2.4vw, 26px);
  border-left: 4px solid var(--cyan);
}

.page-news .news-hero__board-title {
  margin: 0 0 16px;
}

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

.page-news .news-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--edge);
}

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

.page-news .news-hero__num {
  min-width: 5.5ch;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

.page-news .news-hero__key {
  font-size: 0.92rem;
  color: var(--ice);
  letter-spacing: 0.04em;
}

.page-news .news-hero__figure {
  margin: clamp(28px, 4vw, 52px) 0 0;
}

.page-news .news-hero__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.05);
}

/* ---------- 条目流 ---------- */

.page-news .news-stream-wrap__note,
.page-news .news-rhythm__note,
.page-news .news-routes__note {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--steel);
}

.page-news .news-filter {
  position: relative;
}

.page-news .news-filter__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  opacity: 0;
  pointer-events: none;
}

.page-news .news-layout {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  margin-top: clamp(24px, 3.4vw, 40px);
}

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

.page-news .news-rail__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-rail__item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 11px 14px;
  background: var(--bg-console);
  border: 2px solid var(--edge);
  color: var(--ice);
  font-size: 0.92rem;
  letter-spacing: 0.03em;
  cursor: pointer;
  user-select: none;
  transition: border-color 0.2s var(--ease-out), background 0.2s var(--ease-out), color 0.2s var(--ease-out);
}

.page-news .news-rail__item:hover {
  border-color: var(--edge-lit);
}

.page-news .news-rail__idx {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--steel);
}

.page-news .news-rail__count {
  margin-left: auto;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--steel);
}

.page-news #ncat-all:checked ~ .news-layout .news-rail__item[for="ncat-all"],
.page-news #ncat-version:checked ~ .news-layout .news-rail__item[for="ncat-version"],
.page-news #ncat-schedule:checked ~ .news-layout .news-rail__item[for="ncat-schedule"],
.page-news #ncat-venue:checked ~ .news-layout .news-rail__item[for="ncat-venue"],
.page-news #ncat-guide:checked ~ .news-layout .news-rail__item[for="ncat-guide"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--bg-deep);
  font-weight: 700;
}

.page-news #ncat-all:checked ~ .news-layout .news-rail__item[for="ncat-all"] .mono,
.page-news #ncat-version:checked ~ .news-layout .news-rail__item[for="ncat-version"] .mono,
.page-news #ncat-schedule:checked ~ .news-layout .news-rail__item[for="ncat-schedule"] .mono,
.page-news #ncat-venue:checked ~ .news-layout .news-rail__item[for="ncat-venue"] .mono,
.page-news #ncat-guide:checked ~ .news-layout .news-rail__item[for="ncat-guide"] .mono {
  color: rgba(5, 11, 26, 0.72);
}

.page-news #ncat-version:checked ~ .news-layout .feed-item:not(.feed-item--version),
.page-news #ncat-schedule:checked ~ .news-layout .feed-item:not(.feed-item--schedule),
.page-news #ncat-venue:checked ~ .news-layout .feed-item:not(.feed-item--venue),
.page-news #ncat-guide:checked ~ .news-layout .feed-item:not(.feed-item--guide) {
  display: none;
}

.page-news .news-stream {
  display: grid;
  gap: clamp(18px, 2.4vw, 28px);
  min-width: 0;
}

.page-news .feed-item {
  position: relative;
  display: grid;
  gap: clamp(14px, 2vw, 26px);
  padding: clamp(18px, 2.4vw, 30px);
  background: var(--bg-mid);
  border: 2px solid var(--edge);
  box-shadow: var(--shadow-hard);
  transition: border-color 0.24s var(--ease-out), transform 0.24s var(--ease-out);
}

.page-news .feed-item::before {
  content: "";
  position: absolute;
  top: 16px;
  bottom: 16px;
  left: -2px;
  width: 4px;
  background: linear-gradient(180deg, var(--cyan), rgba(25, 245, 208, 0));
  opacity: 0;
  transition: opacity 0.24s var(--ease-out);
}

.page-news .feed-item:hover,
.page-news .feed-item:focus-within {
  border-color: var(--edge-lit);
  transform: translate(-2px, -2px);
}

.page-news .feed-item:hover::before,
.page-news .feed-item:focus-within::before {
  opacity: 1;
}

.page-news .feed-item__body {
  min-width: 0;
}

.page-news .feed-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 0 0 12px;
}

.page-news .feed-item__issue {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-news .feed-item__time {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--steel);
  opacity: 0.45;
  transition: opacity 0.22s var(--ease-out), color 0.22s var(--ease-out);
}

.page-news .feed-item:hover .feed-item__time,
.page-news .feed-item:focus-within .feed-item__time {
  opacity: 1;
  color: var(--lava);
}

.page-news .feed-item__title {
  margin: 0 0 10px;
  font-size: clamp(1.14rem, 2.2vw, 1.5rem);
  line-height: 1.38;
  font-weight: 700;
  color: var(--ice);
}

.page-news .feed-item__excerpt {
  margin: 0 0 16px;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--steel);
}

.page-news .feed-item__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 2px;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

.page-news .feed-item__link:hover,
.page-news .feed-item__link:focus-visible {
  color: var(--lava);
  border-bottom-color: var(--lava);
}

.page-news .feed-item__media {
  margin: 0;
  border: 2px solid var(--edge);
  background: var(--bg-console);
  overflow: hidden;
}

.page-news .feed-item__media img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.42s var(--ease-out);
}

.page-news .feed-item:hover .feed-item__media img {
  transform: scale(1.04);
}

/* ---------- 更新节奏 ---------- */

.page-news .rhythm-axis {
  list-style: none;
  margin: clamp(26px, 4vw, 46px) 0 0;
  padding: 0 0 0 clamp(22px, 3vw, 36px);
  border-left: 2px solid var(--edge);
  display: grid;
  gap: clamp(22px, 3vw, 36px);
}

.page-news .rhythm-item {
  position: relative;
  max-width: 68ch;
}

.page-news .rhythm-item::before {
  content: "";
  position: absolute;
  top: 8px;
  left: calc(-1 * clamp(22px, 3vw, 36px) - 8px);
  width: 11px;
  height: 11px;
  background: var(--bg-deep);
  border: 2px solid var(--cyan);
  transform: rotate(45deg);
}

.page-news .rhythm-item__step {
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--lava);
}

.page-news .rhythm-item__title {
  margin: 8px 0 8px;
  font-size: clamp(1.05rem, 1.8vw, 1.28rem);
  line-height: 1.45;
  font-weight: 700;
  color: var(--ice);
}

.page-news .rhythm-item__text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--steel);
}

/* ---------- 阅读路径 ---------- */

.page-news .route-list {
  list-style: none;
  margin: clamp(26px, 4vw, 46px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
}

.page-news .route-item {
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 2.6vw, 30px);
  background: linear-gradient(158deg, var(--bg-console) 0%, var(--bg-mid) 100%);
  border: 2px solid var(--edge);
  box-shadow: var(--shadow-hard);
  transition: border-color 0.24s var(--ease-out), transform 0.24s var(--ease-out);
}

.page-news .route-item:hover,
.page-news .route-item:focus-within {
  border-color: var(--cyan-dim);
  transform: translate(-2px, -2px);
}

.page-news .route-item__num {
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--lava);
}

.page-news .route-item__title {
  margin: 12px 0 10px;
  font-size: 1.08rem;
  line-height: 1.45;
  font-weight: 700;
  color: var(--ice);
}

.page-news .route-item__text {
  margin: 0 0 20px;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--steel);
}

.page-news .route-item__link {
  margin-top: auto;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  background: transparent;
  border: 2px solid var(--cyan);
  color: var(--cyan);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: background 0.2s var(--ease-out), color 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

.page-news .route-item__link:hover,
.page-news .route-item__link:focus-visible {
  background: var(--cyan);
  color: var(--bg-deep);
}

.page-news .news-routes__foot {
  margin: clamp(24px, 3.2vw, 38px) 0 0;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--steel);
}

.page-news .news-routes__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--edge-lit);
  transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

.page-news .news-routes__foot a:hover,
.page-news .news-routes__foot a:focus-visible {
  color: var(--lava);
  border-bottom-color: var(--lava);
}

/* ---------- 断点 ---------- */

@media (min-width: 780px) {
  .page-news .route-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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

  .page-news .news-layout {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
  }

  .page-news .news-rail {
    position: sticky;
    top: 96px;
    align-self: start;
  }

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

  .page-news .feed-item {
    grid-template-columns: minmax(0, 1fr) var(--news-media-w);
    align-items: start;
  }

  .page-news .feed-item--flip {
    grid-template-columns: var(--news-media-w) minmax(0, 1fr);
  }

  .page-news .feed-item--flip .feed-item__media {
    order: -1;
  }

  .page-news .feed-item--flip .feed-item__body {
    order: 1;
  }
}

@media (min-width: 1240px) {
  .page-news {
    --news-media-w: 356px;
  }
}
<<<END>>>