.page-news {
  --page-h1: clamp(2.15rem, 4.4vw, 3.4rem);
  --news-gap: clamp(1.5rem, 3vw, 2.75rem);
  --rail-w: 236px;
  position: relative;
  color: var(--paper);
  padding-block: clamp(1.25rem, 3vw, 2.5rem) clamp(3rem, 7vw, 5.5rem);
  background:
    radial-gradient(120% 60% at 6% 0%, rgba(92, 255, 194, 0.08), transparent 62%),
    radial-gradient(90% 55% at 100% 26%, rgba(255, 138, 61, 0.07), transparent 70%);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-news .news-shell {
  display: grid;
  gap: var(--news-gap);
  align-items: start;
}

.page-news .news-main {
  order: 1;
  min-width: 0;
  display: grid;
  gap: clamp(2.5rem, 6vw, 4.5rem);
}

.page-news .news-rail {
  order: 2;
  min-width: 0;
  display: grid;
  gap: 1rem;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  display: grid;
  gap: 0.9rem;
  padding-bottom: clamp(1.25rem, 3vw, 2rem);
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--page-h1);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.01em;
  max-width: 22ch;
}

.page-news .news-hero__lede {
  margin: 0;
  max-width: 44ch;
  color: var(--mute-strong);
  font-size: var(--fs-body);
  line-height: 1.75;
}

.page-news .hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.75rem;
  margin: 0.35rem 0 0;
  padding: 0;
  list-style: none;
  font-size: var(--fs-aux);
  color: var(--mute);
}

.page-news .hero-facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  padding-left: 0.75rem;
  border-left: 2px solid var(--line);
}

.page-news .hero-facts__num {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--signal);
}

/* ---------- 章节通用 ---------- */
.page-news .news-section {
  display: grid;
  gap: 1.35rem;
}

.page-news .news-section .section__head {
  display: grid;
  gap: 0.4rem;
}

.page-news .news-section .section__lede {
  max-width: 52ch;
}

/* ---------- 编辑推荐 ---------- */
.page-news .pick-grid {
  display: grid;
  gap: 0.9rem;
}

.page-news .pick {
  position: relative;
  display: grid;
  gap: 0.55rem;
  padding: 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm) var(--radius) var(--radius-sm) var(--radius);
  background: linear-gradient(155deg, var(--ink-800), var(--ink-850));
  overflow: hidden;
}

.page-news .pick::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--signal), transparent 78%);
  opacity: 0.7;
}

.page-news .pick--lead {
  padding: 0;
  border-radius: var(--radius) var(--radius) var(--radius) 4px;
  grid-row: auto;
}

.page-news .pick--lead::before {
  display: none;
}

.page-news .pick__media {
  position: relative;
  margin: 0;
  aspect-ratio: 14 / 9;
  overflow: hidden;
  background: var(--ink-900);
}

.page-news .pick__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 26, 20, 0.1) 30%, rgba(7, 26, 20, 0.92) 100%),
    repeating-linear-gradient(90deg, transparent 0 46px, rgba(92, 255, 194, 0.09) 46px 47px);
  pointer-events: none;
}

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

.page-news .pick__body {
  display: grid;
  gap: 0.6rem;
  padding: 0.15rem 1.15rem 1.25rem;
  margin-top: -1.5rem;
  position: relative;
  z-index: 1;
}

.page-news .pick__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.page-news .pick__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--paper);
}

.page-news .pick__desc {
  margin: 0;
  font-size: var(--fs-aux);
  line-height: 1.7;
  color: var(--mute-strong);
}

.page-news .pick__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--score);
}

/* ---------- 最新条目 ---------- */
.page-news .filter {
  position: relative;
  display: grid;
  gap: 0.25rem;
}

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

.page-news .filter__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  padding-bottom: 0.4rem;
}

.page-news .filter__pill {
  cursor: pointer;
  padding: 0.36rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: var(--fs-aux);
  color: var(--mute-strong);
  background: rgba(14, 42, 33, 0.6);
  transition: background 0.22s var(--ease), color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-news .filter__pill:hover {
  border-color: var(--signal);
  color: var(--signal-soft);
}

.page-news .filter__input:focus-visible ~ .filter__bar {
  outline: 2px solid var(--signal-soft);
  outline-offset: 4px;
  border-radius: 999px;
}

.page-news #filter-all:checked ~ .filter__bar label[for="filter-all"],
.page-news #filter-observe:checked ~ .filter__bar label[for="filter-observe"],
.page-news #filter-preview:checked ~ .filter__bar label[for="filter-preview"],
.page-news #filter-review:checked ~ .filter__bar label[for="filter-review"],
.page-news #filter-glossary:checked ~ .filter__bar label[for="filter-glossary"],
.page-news #filter-update:checked ~ .filter__bar label[for="filter-update"],
.page-news #filter-member:checked ~ .filter__bar label[for="filter-member"] {
  background: var(--signal);
  border-color: var(--signal);
  color: #04140f;
  font-weight: 600;
}

.page-news #filter-observe:checked ~ .note-list .note:not(.note--observe),
.page-news #filter-preview:checked ~ .note-list .note:not(.note--preview),
.page-news #filter-review:checked ~ .note-list .note:not(.note--review),
.page-news #filter-glossary:checked ~ .note-list .note:not(.note--glossary),
.page-news #filter-update:checked ~ .note-list .note:not(.note--update),
.page-news #filter-member:checked ~ .note-list .note:not(.note--member) {
  display: none;
}

.page-news .note-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .note {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.25rem 0.85rem;
  padding: 1rem 0.25rem 1rem 0;
  border-top: 1px solid var(--line-soft);
  transition: background 0.22s var(--ease);
}

.page-news .note:hover {
  background: rgba(92, 255, 194, 0.04);
}

.page-news .note__idx {
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  color: var(--signal);
  padding-top: 0.35rem;
  letter-spacing: 0.06em;
}

.page-news .note__main {
  min-width: 0;
  display: grid;
  gap: 0.25rem;
}

.page-news .note__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--paper);
}

.page-news .note__desc {
  margin: 0;
  font-size: var(--fs-aux);
  line-height: 1.65;
  color: var(--mute);
}

.page-news .note__meta {
  grid-column: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.page-news .note__time {
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  letter-spacing: 0.08em;
  color: var(--mute);
}

/* ---------- 专题系列 ---------- */
.page-news .topic-band {
  position: relative;
  margin: 0;
  border-radius: var(--radius) 4px var(--radius) var(--radius);
  overflow: hidden;
  background: var(--ink-900);
  aspect-ratio: 10 / 4;
}

.page-news .topic-band img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.72;
}

.page-news .topic-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(7, 26, 20, 0.92) 8%, rgba(7, 26, 20, 0.25) 62%, rgba(92, 255, 194, 0.16) 100%);
  pointer-events: none;
}

.page-news .topic-band__cap {
  position: absolute;
  left: 1rem;
  bottom: 0.9rem;
  right: 1rem;
  z-index: 1;
  font-size: var(--fs-aux);
  letter-spacing: 0.02em;
  color: var(--signal-soft);
}

.page-news .board-grid {
  display: grid;
  gap: 0.9rem;
}

.page-news .board {
  position: relative;
  padding: 1.05rem 1.1rem 1.15rem;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--ink-800), var(--ink-850));
  border-radius: 26px 10px 26px 10px;
  overflow: hidden;
}

.page-news .board::before {
  content: "";
  position: absolute;
  top: -34px;
  right: -34px;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(92, 255, 194, 0.22), transparent 68%);
  pointer-events: none;
}

.page-news .board--b {
  border-radius: 10px 26px 10px 26px;
}

.page-news .board--b::before {
  background: radial-gradient(circle, rgba(255, 209, 102, 0.22), transparent 68%);
}

.page-news .board--c {
  border-radius: 26px 26px 10px 26px;
}

.page-news .board--c::before {
  background: radial-gradient(circle, rgba(255, 138, 61, 0.22), transparent 68%);
}

.page-news .board--d {
  border-radius: 10px 10px 26px 26px;
}

.page-news .board__head {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 0.55rem;
  cursor: pointer;
  list-style: none;
}

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

.page-news .board__head::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--signal);
  transition: transform 0.22s var(--ease);
}

.page-news .board[open] .board__head::after {
  content: "−";
}

.page-news .board__code {
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  letter-spacing: 0.1em;
  color: var(--mute);
}

.page-news .board__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--paper);
}

.page-news .board__count {
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  letter-spacing: 0.06em;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--amber);
  white-space: nowrap;
}

.page-news .board__body {
  display: grid;
  gap: 0.65rem;
  padding-top: 0.85rem;
  font-size: var(--fs-aux);
  line-height: 1.7;
  color: var(--mute-strong);
}

.page-news .board__body p {
  margin: 0;
}

.page-news .board__figure {
  margin: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--ink-900);
  max-height: 210px;
}

.page-news .board__figure--tall {
  max-height: 260px;
}

.page-news .board__figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-height: inherit;
  object-fit: cover;
}

.page-news .board__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.35rem;
}

.page-news .board__list li {
  position: relative;
  padding-left: 1rem;
  color: var(--paper);
  font-size: var(--fs-aux);
}

.page-news .board__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--signal);
  opacity: 0.8;
}

.page-news .board__link {
  justify-self: start;
  font-size: var(--fs-aux);
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(92, 255, 194, 0.4);
  padding-bottom: 1px;
}

.page-news .board__link:hover {
  color: var(--signal-soft);
}

/* ---------- 标签 ---------- */
.page-news .tag-groups {
  display: grid;
  gap: 1rem;
}

.page-news .tag-group {
  padding: 1rem 1.1rem;
  border-left: 2px solid var(--line);
  background: linear-gradient(90deg, rgba(14, 42, 33, 0.85), transparent 92%);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  display: grid;
  gap: 0.6rem;
}

.page-news .tag-group__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mute);
}

.page-news .tag-group__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* ---------- 更新节奏 ---------- */
.page-news .cadence {
  display: grid;
  gap: 1.25rem;
}

.page-news .cadence__stats {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.page-news .cadence__stat {
  display: grid;
  gap: 0.15rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(14, 42, 33, 0.7);
}

.page-news .cadence__num {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 6vw, 2.75rem);
  font-weight: 600;
  line-height: 1;
  color: var(--signal);
}

.page-news .cadence__body {
  display: grid;
  gap: 0.8rem;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--mute-strong);
}

.page-news .cadence__body p {
  margin: 0;
  max-width: 46ch;
}

.page-news .cadence__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.2rem;
}

.page-news .cadence__note {
  font-size: var(--fs-aux);
  color: var(--mute);
  padding-left: 0.75rem;
  border-left: 2px solid var(--score);
}

/* ---------- 侧边导读 ---------- */
.page-news .news-rail .toc {
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(8, 32, 26, 0.82);
}

.page-news .rail__label {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mute);
}

.page-news .news-rail .toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.15rem;
}

.page-news .news-rail .toc__link {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.4rem 0.35rem;
  font-size: var(--fs-aux);
  color: var(--mute-strong);
  text-decoration: none;
  border-radius: 6px;
  border-left: 2px solid transparent;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .news-rail .toc__link:hover {
  color: var(--signal-soft);
  background: rgba(92, 255, 194, 0.06);
}

.page-news .news-rail .toc__link.is-active {
  color: var(--signal);
  border-left-color: var(--signal);
  background: rgba(92, 255, 194, 0.09);
}

.page-news .rail__no {
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  color: var(--mute);
}

.page-news .rail__card {
  display: grid;
  gap: 0.55rem;
  justify-items: start;
  padding: 1rem;
  border-radius: var(--radius-sm) var(--radius) var(--radius-sm) var(--radius);
  background: linear-gradient(150deg, rgba(255, 138, 61, 0.16), rgba(14, 42, 33, 0.9) 55%);
  border: 1px solid rgba(255, 138, 61, 0.35);
}

.page-news .rail__card-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--paper);
}

.page-news .rail__card-text {
  margin: 0;
  font-size: var(--fs-aux);
  line-height: 1.65;
  color: var(--mute-strong);
}

.page-news .rail__foot {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  letter-spacing: 0.08em;
  color: var(--mute);
}

/* ---------- 中等屏 ---------- */
@media (min-width: 620px) {
  .page-news .note {
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: start;
    gap: 0.2rem 1rem;
  }

  .page-news .note__meta {
    grid-column: 3;
    justify-content: flex-end;
    flex-direction: column;
    align-items: flex-end;
    padding-top: 0.2rem;
  }

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

  .page-news .tag-group:last-child {
    grid-column: 1 / -1;
  }

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

@media (min-width: 900px) {
  .page-news .pick-grid {
    grid-template-columns: 1.45fr 1fr;
    grid-auto-rows: min-content;
    gap: 1rem;
  }

  .page-news .pick--lead {
    grid-row: 1 / span 2;
  }

  .page-news .board-grid {
    grid-template-columns: 1.12fr 0.88fr;
    align-items: start;
    gap: 1rem;
  }

  .page-news .board--b {
    margin-top: -1.4rem;
  }

  .page-news .board--d {
    margin-top: 0.6rem;
  }

  .page-news .cadence {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: start;
    gap: 1.75rem;
  }

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

@media (min-width: 1000px) {
  .page-news .news-shell {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: clamp(1.75rem, 3vw, 3rem);
  }

  .page-news .news-rail {
    order: 1;
    position: sticky;
    top: 104px;
    align-self: start;
    max-height: calc(100vh - 128px);
    overflow-y: auto;
    scrollbar-width: thin;
  }

  .page-news .news-main {
    order: 2;
  }

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

  .page-news .tag-group:last-child {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .filter__pill,
  .page-news .note,
  .page-news .news-rail .toc__link,
  .page-news .board__head::after {
    transition: none;
  }
}
<<<END>>>