.page-news {
  --news-rule: rgba(124, 144, 181, 0.28);
  --news-rule-strong: rgba(124, 144, 181, 0.5);
  --news-rail: 210px;
}

/* ============ 首屏 ============ */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(36px, 7vw, 84px) 0 clamp(34px, 6vw, 70px);
  color: var(--white);
  background:
    radial-gradient(120% 100% at 84% 0%, rgba(0, 229, 201, 0.2), transparent 58%),
    radial-gradient(90% 80% at 0% 100%, rgba(255, 107, 53, 0.14), transparent 62%),
    linear-gradient(180deg, var(--night) 0%, var(--ink) 100%);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: auto -12% -38% 38%;
  height: 300px;
  z-index: -1;
  pointer-events: none;
  opacity: 0.45;
  transform: rotate(-8deg);
  background-image:
    linear-gradient(rgba(168, 255, 240, 0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168, 255, 240, 0.2) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 55%, transparent);
  mask-image: linear-gradient(180deg, transparent, #000 55%, transparent);
}

.page-news .news-hero-inner {
  position: relative;
}

.page-news .breadcrumb {
  margin-bottom: clamp(22px, 4vw, 38px);
}

.page-news .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--fog);
}

.page-news .breadcrumb-list a {
  color: var(--cyan-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 160ms var(--ease-out);
}

.page-news .breadcrumb-list a:hover {
  border-bottom-color: var(--cyan);
}

.page-news .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 0.45rem;
  color: var(--fog);
  opacity: 0.55;
}

.page-news .breadcrumb-current {
  color: var(--white);
}

.page-news .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: end;
}

.page-news .hero-copy .eyebrow {
  color: var(--cyan-mist);
  margin-bottom: 0.9rem;
}

.page-news .hero-copy h1 {
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  font-size: clamp(32px, 6vw, 68px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--white);
}

.page-news .hero-accent {
  display: block;
  color: var(--cyan);
}

.page-news .hero-lede {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.8;
  color: rgba(247, 250, 255, 0.84);
}

.page-news .hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: rgba(124, 144, 181, 0.25);
  border: 1px solid rgba(124, 144, 181, 0.25);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-news .fact-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: clamp(14px, 2.4vw, 22px) clamp(12px, 2vw, 18px);
  background: rgba(6, 18, 41, 0.72);
}

.page-news .fact-num {
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1;
  font-weight: 700;
  color: var(--orange);
}

.page-news .fact-label {
  font-size: 0.74rem;
  line-height: 1.5;
  letter-spacing: 0.06em;
  color: var(--fog);
}

/* ============ 最新条目 ============ */
.page-news .news-latest {
  padding-top: clamp(48px, 8vw, 88px);
}

.page-news .filter {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 34px);
  margin-top: clamp(26px, 4vw, 44px);
}

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

.page-news .filter:has(#cat-all:focus-visible) .tag-chip[for="cat-all"],
.page-news .filter:has(#cat-schedule:focus-visible) .tag-chip[for="cat-schedule"],
.page-news .filter:has(#cat-method:focus-visible) .tag-chip[for="cat-method"],
.page-news .filter:has(#cat-version:focus-visible) .tag-chip[for="cat-version"] {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-news .tag-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-content: start;
}

.page-news .rail-label {
  flex: 0 0 100%;
  margin: 0 0 0.2rem;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fog);
}

.page-news .tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.95rem;
  border: 1px solid var(--news-rule-strong);
  border-radius: var(--radius-pill);
  font-size: 0.83rem;
  letter-spacing: 0.05em;
  color: var(--white);
  cursor: pointer;
  user-select: none;
  transition: background-color 160ms var(--ease-out), color 160ms var(--ease-out),
    border-color 160ms var(--ease-out), transform 120ms var(--ease-out);
}

.page-news .tag-chip::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--fog);
  flex: 0 0 auto;
}

.page-news .chip-schedule::before { background: var(--cyan); }
.page-news .chip-method::before { background: var(--orange); }
.page-news .chip-version::before { background: var(--cyan-mist); }
.page-news .chip-all::before { background: var(--white); }

.page-news .chip-count {
  font-size: 0.7rem;
  opacity: 0.7;
}

.page-news .tag-chip:hover {
  transform: translateY(-1px);
  border-color: var(--cyan);
}

.page-news #cat-all:checked ~ .tag-rail .tag-chip[for="cat-all"],
.page-news #cat-schedule:checked ~ .tag-rail .tag-chip[for="cat-schedule"],
.page-news #cat-method:checked ~ .tag-rail .tag-chip[for="cat-method"],
.page-news #cat-version:checked ~ .tag-rail .tag-chip[for="cat-version"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--night);
}

.page-news .feed {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--news-rule);
}

.page-news .feed-row {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr) auto;
  column-gap: clamp(0.7rem, 2vw, 1.3rem);
  row-gap: 0.85rem;
  align-items: baseline;
  padding: clamp(1rem, 2.4vw, 1.55rem) 0;
  border-bottom: 1px solid var(--news-rule);
  transition: background-color 200ms var(--ease-out);
}

.page-news .feed-row:hover {
  background: linear-gradient(90deg, rgba(0, 229, 201, 0.09), transparent 70%);
}

.page-news .feed-index {
  font-size: 0.78rem;
  color: var(--cyan);
  padding-top: 0.35rem;
}

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

.page-news .feed-title {
  margin: 0 0 0.45rem;
  font-size: clamp(15px, 1.9vw, 19px);
  line-height: 1.45;
  font-weight: 700;
  color: var(--white);
  transition: transform 200ms var(--ease-out);
}

.page-news .feed-title::after {
  content: "→";
  display: inline-block;
  margin-left: 0.5rem;
  font-size: 0.9em;
  color: var(--orange);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 200ms var(--ease-out), transform 200ms var(--ease-out);
}

.page-news .feed-row:hover .feed-title {
  transform: translateX(6px);
}

.page-news .feed-row:hover .feed-title::after {
  opacity: 1;
  transform: translateX(0);
}

.page-news .feed-meta {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--fog);
}

.page-news .feed-tag {
  justify-self: end;
  white-space: nowrap;
  font-size: 0.72rem;
}

.page-news .feed-thumb {
  grid-column: 2 / -1;
  margin: 0;
  max-width: 480px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--news-rule);
}

.page-news .feed-thumb img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-news #cat-schedule:checked ~ .feed .feed-row,
.page-news #cat-method:checked ~ .feed .feed-row,
.page-news #cat-version:checked ~ .feed .feed-row {
  display: none;
}

.page-news #cat-schedule:checked ~ .feed .feed-row[data-cat="schedule"],
.page-news #cat-method:checked ~ .feed .feed-row[data-cat="method"],
.page-news #cat-version:checked ~ .feed .feed-row[data-cat="version"] {
  display: grid;
}

/* ============ 专题系列 ============ */
.page-news .news-series {
  --news-rule: rgba(20, 33, 61, 0.16);
  --news-rule-strong: rgba(20, 33, 61, 0.3);
  color: var(--paper-ink);
}

.page-news .news-series .section-title,
.page-news .news-series .series-name,
.page-news .news-series .cover-title {
  color: var(--paper-ink);
}

.page-news .news-series .lede {
  color: rgba(20, 33, 61, 0.72);
}

.page-news .series-cover {
  margin: clamp(26px, 4vw, 44px) 0 clamp(30px, 4vw, 48px);
  border-radius: var(--radius-card);
  background: var(--ink);
  overflow: hidden;
}

.page-news .cover-summary {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  cursor: pointer;
  list-style: none;
}

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

.page-news .cover-media {
  position: relative;
  overflow: hidden;
}

.page-news .cover-media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.page-news .cover-text {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: clamp(22px, 3.6vw, 40px);
}

.page-news .cover-num {
  font-size: clamp(56px, 9vw, 96px);
  line-height: 0.9;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -0.04em;
}

.page-news .cover-kicker {
  align-self: flex-start;
  padding: 0.28rem 0.7rem;
  border-radius: var(--radius-pill);
  background: var(--orange);
  color: var(--night);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
}

.page-news .cover-title {
  margin: 0.35rem 0 0;
  font-size: clamp(20px, 3vw, 30px);
  line-height: 1.25;
  font-weight: 800;
  color: var(--white);
}

.page-news .cover-sub {
  margin: 0;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--fog);
}

.page-news .cover-cue {
  margin-top: 0.6rem;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--cyan-mist);
  border-bottom: 1px solid rgba(168, 255, 240, 0.4);
  align-self: flex-start;
  padding-bottom: 2px;
}

.page-news .series-cover[open] .cover-cue::after {
  content: " ↑";
}

.page-news .cover-body {
  padding: 0 clamp(22px, 3.6vw, 40px) clamp(24px, 3.6vw, 40px);
  color: rgba(247, 250, 255, 0.82);
}

.page-news .cover-body p {
  margin: 0 0 0.9rem;
  max-width: 62ch;
  font-size: 0.95rem;
  line-height: 1.8;
}

.page-news .cover-body p:last-child {
  margin-bottom: 0;
}

.page-news .series-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--news-rule);
}

.page-news .series-item {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  column-gap: clamp(0.7rem, 2vw, 1.3rem);
  row-gap: 0.5rem;
  align-items: baseline;
  padding: clamp(1.1rem, 2.6vw, 1.7rem) 0;
  border-bottom: 1px solid var(--news-rule);
}

.page-news .series-idx {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--orange);
}

.page-news .series-name {
  grid-column: 2;
  margin: 0;
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 800;
  line-height: 1.35;
}

.page-news .series-desc {
  grid-column: 2;
  margin: 0;
  max-width: 66ch;
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(20, 33, 61, 0.76);
}

.page-news .series-progress {
  grid-column: 2;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--paper-ink);
  opacity: 0.62;
}

/* ============ 更新节奏 ============ */
.page-news .news-cadence {
  padding-top: clamp(48px, 8vw, 88px);
}

.page-news .cadence-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2.4vw, 22px);
  margin-top: clamp(26px, 4vw, 42px);
}

.page-news .cadence-card {
  position: relative;
  padding: clamp(20px, 3vw, 30px);
  border-radius: var(--radius-card);
  border: 1px solid var(--news-rule);
  background: linear-gradient(160deg, rgba(27, 58, 107, 0.55), rgba(10, 31, 68, 0.85));
  overflow: hidden;
}

.page-news .cadence-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 46%;
  background: linear-gradient(180deg, var(--cyan), transparent);
}

.page-news .cadence-stage {
  display: inline-block;
  margin-bottom: 0.8rem;
  padding: 0.28rem 0.7rem;
  border: 1px solid var(--news-rule-strong);
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--cyan-mist);
}

.page-news .cadence-title {
  margin: 0 0 0.7rem;
  font-size: clamp(17px, 2.1vw, 21px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--white);
}

.page-news .cadence-text {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.8;
  color: rgba(247, 250, 255, 0.78);
}

.page-news .source-note {
  margin-top: clamp(24px, 4vw, 40px);
  padding: clamp(20px, 3vw, 30px);
  border-radius: var(--radius-card);
  border: 1px solid var(--news-rule);
  background: rgba(6, 18, 41, 0.5);
}

.page-news .source-title {
  margin: 0 0 0.7rem;
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-news .source-text {
  margin: 0;
  max-width: 74ch;
  font-size: 0.93rem;
  line-height: 1.8;
  color: rgba(247, 250, 255, 0.8);
}

/* ============ 订阅入口 ============ */
.page-news .news-follow {
  padding-bottom: clamp(56px, 9vw, 100px);
}

.page-news .follow-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-news .eyebrow--dark {
  color: var(--cyan);
  margin-bottom: 0.9rem;
}

.page-news .follow-title {
  margin: 0 0 clamp(14px, 2vw, 20px);
  font-size: clamp(24px, 4vw, 42px);
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--white);
  max-width: 20ch;
}

.page-news .follow-text {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: rgba(247, 250, 255, 0.8);
}

.page-news .follow-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ============ 响应式 ============ */
@media (min-width: 900px) {
  .page-news .hero-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.85fr);
  }

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

  .page-news .tag-rail {
    position: sticky;
    top: 112px;
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 0.55rem;
  }

  .page-news .rail-label {
    flex: 0 0 auto;
  }

  .page-news .tag-chip {
    justify-content: space-between;
  }

  .page-news .cover-summary {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-news .cover-text {
    justify-content: center;
  }

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

  .page-news .follow-inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.6fr);
  }

  .page-news .follow-actions {
    justify-content: flex-end;
  }
}

@media (max-width: 640px) {
  .page-news .feed-row {
    grid-template-columns: 1.9rem minmax(0, 1fr);
  }

  .page-news .feed-tag {
    grid-column: 2;
    justify-self: start;
  }

  .page-news .feed-thumb {
    grid-column: 1 / -1;
    max-width: 100%;
  }

  .page-news .hero-facts {
    grid-template-columns: 1fr;
  }

  .page-news .series-item {
    grid-template-columns: 1.6rem minmax(0, 1fr);
  }

  .page-news .follow-actions .btn {
    flex: 1 1 auto;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-hero::after {
    display: none;
  }

  .page-news .feed-row:hover .feed-title,
  .page-news .tag-chip:hover {
    transform: none;
  }
}
<<<END>>>