.page-news {
  --news-cyan-glow: rgba(47, 227, 198, .16);
  --news-gold-glow: rgba(239, 203, 107, .18);
  --news-gap: clamp(20px, 3vw, 30px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---------- 顶部上下文 ---------- */
.page-news .news-crumb {
  padding-top: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding-block: clamp(24px, 4.2vw, 48px) clamp(30px, 4.6vw, 56px);
  background:
    radial-gradient(120% 90% at 92% 4%, rgba(47, 227, 198, .11), transparent 58%),
    radial-gradient(90% 80% at 2% 0%, rgba(200, 160, 60, .13), transparent 62%);
}

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 42px);
}

.page-news .news-hero__lede h1 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(32px, 6.2vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-news .news-hero__lede h1 em {
  font-style: normal;
  color: var(--gold-bright);
  text-shadow: 0 0 26px var(--news-gold-glow);
}

.page-news .news-hero__intro {
  margin: 20px 0 0;
  max-width: 36em;
  font-size: clamp(15px, 1.55vw, 17px);
  line-height: 1.8;
  color: var(--text);
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-news .hero-stat {
  border: var(--bw) solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel);
  padding: 13px 15px;
}

.page-news .hero-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.2vw, 30px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--gold-bright);
  text-shadow: 0 0 18px var(--news-gold-glow);
}

.page-news .hero-stat__label {
  display: block;
  margin-top: 7px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted);
}

/* 分类标签墙 */
.page-news .tagwall {
  border: var(--bw) solid var(--line);
  border-left: 6px solid var(--cyan);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, var(--panel), rgba(18, 48, 40, .7));
  box-shadow: var(--shadow-hard);
  padding: clamp(18px, 2.6vw, 28px);
}

.page-news .tagwall__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-news .tagwall__note {
  margin: 10px 0 18px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .tagwall__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .tagwall__chip {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border: var(--bw) solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(11, 31, 25, .62);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: .02em;
  text-decoration: none;
  transition: transform .2s ease, border-color .2s ease, color .2s ease;
}

.page-news .tagwall__chip:hover,
.page-news .tagwall__chip:focus-visible {
  border-color: var(--gold-bright);
  color: var(--gold-bright);
  transform: translateY(-2px);
}

/* 置顶条目 */
.page-news .pin {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 12px 16px;
  margin-top: clamp(20px, 2.8vw, 30px);
  padding: 16px 18px;
  border: var(--bw) solid rgba(255, 122, 47, .45);
  border-left: 6px solid var(--orange);
  border-radius: var(--radius-sm);
  background: rgba(255, 122, 47, .08);
  box-shadow: 0 0 0 1px rgba(255, 122, 47, .14), var(--shadow-hard);
  text-decoration: none;
  color: var(--text);
  transition: transform .2s ease, box-shadow .2s ease;
}

.page-news .pin:hover,
.page-news .pin:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 0 0 1px rgba(255, 122, 47, .3), var(--shadow-lift);
}

.page-news .pin__flag {
  display: inline-block;
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  background: var(--orange);
  color: #24160c;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .08em;
  white-space: nowrap;
}

.page-news .pin__body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-news .pin__time {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--gold-bright);
  letter-spacing: .02em;
}

.page-news .pin__title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
}

.page-news .pin__go {
  grid-column: 2;
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
}

/* ---------- 章节基础 ---------- */
.page-news .sec {
  padding-block: clamp(34px, 5vw, 68px);
}

.page-news .sec-lede {
  margin: 14px 0 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .prose {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-news .prose:last-child {
  margin-bottom: 0;
}

/* ---------- 条目索引 ---------- */
.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

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

.page-news .filter-chip {
  display: inline-block;
  padding: 9px 17px;
  border: var(--bw) solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--panel);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 13.5px;
  cursor: pointer;
  transition: border-color .18s ease, color .18s ease, background .18s ease, box-shadow .18s ease;
}

.page-news .filter-chip:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-news .filter-input:checked + .filter-chip {
  border-color: var(--gold-bright);
  background: var(--gold-bright);
  color: var(--ink);
  box-shadow: 0 0 0 4px var(--news-gold-glow);
}

.page-news .filter-input:focus-visible + .filter-chip {
  outline: 3px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .idx-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .idx-link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 5px 14px;
  padding: 14px 16px;
  border: var(--bw) solid var(--line);
  border-left: 5px solid var(--gold);
  border-radius: var(--radius-sm);
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.page-news .idx-link:hover,
.page-news .idx-link:focus-visible {
  transform: translateY(-3px);
  border-color: var(--gold-bright);
  box-shadow: var(--shadow-hard);
}

.page-news .idx-time {
  grid-column: 1;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--cyan);
  letter-spacing: .02em;
}

.page-news .idx-title {
  grid-column: 1;
  font-size: 15px;
  line-height: 1.55;
}

.page-news .idx-link .badge {
  grid-column: 2;
  grid-row: 1 / span 2;
}

.page-news:has(#f-version:checked) .idx-item:not([data-cat="version"]) {
  display: none;
}

.page-news:has(#f-ops:checked) .idx-item:not([data-cat="ops"]) {
  display: none;
}

.page-news:has(#f-data:checked) .idx-item:not([data-cat="data"]) {
  display: none;
}

/* ---------- 图片容器 ---------- */
.page-news .news-figure {
  margin: 26px 0 0;
  border: var(--bw) solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel);
  overflow: hidden;
  box-shadow: var(--shadow-hard);
}

.page-news .news-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-bottom: var(--bw) solid var(--line);
}

.page-news .news-figure figcaption {
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 版本日志 ---------- */
.page-news .log-list {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-news .fix {
  border: var(--bw) solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel);
  overflow: hidden;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.page-news .fix[open] {
  border-color: rgba(47, 227, 198, .42);
  box-shadow: 0 0 0 1px rgba(47, 227, 198, .12), var(--shadow-hard);
}

.page-news .fix__sum {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "num name"
    "num cat";
  align-items: center;
  gap: 6px 16px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .fix__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.2vw, 32px);
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
  text-shadow: 0 0 16px var(--news-gold-glow);
}

.page-news .fix__name {
  grid-area: name;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
}

.page-news .fix__sum .badge {
  grid-area: cat;
  justify-self: start;
}

.page-news .fix__body {
  padding: 0 18px 18px;
  border-top: 1px dashed var(--line);
}

.page-news .fix__body p {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 运营观察 ---------- */
.page-news .ops-grid {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
  margin-top: 26px;
}

.page-news .ops-copy .prose + .prose {
  margin-top: 14px;
}

.page-news .ops-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.page-news .obs-metric {
  border: var(--bw) solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(11, 31, 25, .58);
  padding: 14px 16px;
}

.page-news .obs-metric__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(21px, 2.9vw, 28px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--cyan);
  text-shadow: 0 0 18px var(--news-cyan-glow);
}

.page-news .obs-metric__label {
  display: block;
  margin-top: 7px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--muted);
}

/* ---------- 旧版兼容 ---------- */
.page-news .legacy-grid {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
  margin-top: 26px;
}

.page-news .legacy-grid .news-figure {
  margin-top: 0;
}

.page-news .timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 22px;
  border-left: var(--bw) solid var(--line);
  display: grid;
  gap: 24px;
}

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

.page-news .timeline__item::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink);
  border: var(--bw) solid var(--cyan);
  box-shadow: 0 0 12px var(--news-cyan-glow);
}

.page-news .timeline__time {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--orange);
}

.page-news .timeline__title {
  margin: 8px 0 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-news .timeline__text {
  margin: 9px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 专题连载 ---------- */
.page-news .series-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-news .series-item {
  display: grid;
  border: var(--bw) solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel);
  overflow: hidden;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.page-news .series-item:hover {
  transform: translateY(-4px);
  border-color: var(--gold-bright);
  box-shadow: var(--shadow-hard);
}

.page-news .series-cover {
  display: flex;
  align-items: flex-end;
  min-height: 108px;
  padding: 16px;
  border-bottom: var(--bw) solid var(--line);
  background:
    linear-gradient(150deg, rgba(200, 160, 60, .24), rgba(47, 227, 198, .14)),
    repeating-linear-gradient(135deg, rgba(245, 241, 230, .04) 0 8px, transparent 8px 18px);
}

.page-news .series-cover__num {
  font-family: var(--font-mono);
  font-size: 36px;
  font-weight: 700;
  line-height: 1;
  color: var(--gold-bright);
  text-shadow: 0 0 20px var(--news-gold-glow);
}

.page-news .series-body {
  padding: 16px 18px 20px;
}

.page-news .series-body h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-news .series-body p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .series-meta {
  font-family: var(--font-mono);
  font-size: 12.5px !important;
  color: var(--cyan) !important;
  letter-spacing: .02em;
}

/* ---------- 更新节奏 ---------- */
.page-news .cadence-grid {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}

.page-news .cadence-copy .section-title {
  margin-top: 12px;
}

.page-news .cadence-copy .prose {
  margin-top: 16px;
}

.page-news .cadence-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .cadence-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 12px 16px;
  border: var(--bw) solid var(--line);
  border-left: 5px solid var(--cyan);
  border-radius: var(--radius-sm);
  background: rgba(11, 31, 25, .55);
}

.page-news .cadence-list__k {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--muted);
  min-width: 6.5em;
}

.page-news .cadence-list__v {
  font-size: 14.5px;
  color: var(--text);
}

.page-news .subscribe-card {
  border: var(--bw) solid var(--line);
  border-top: 6px solid var(--gold);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, var(--panel), rgba(11, 31, 25, .82));
  box-shadow: var(--shadow-hard);
  padding: clamp(20px, 3vw, 30px);
}

.page-news .subscribe-card__title {
  margin: 0;
  font-size: 19px;
  font-weight: 900;
  line-height: 1.45;
  color: var(--text);
}

.page-news .subscribe-card__text {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .subscribe-card__mail {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--gold-bright);
  word-break: break-all;
}

.page-news .subscribe-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.page-news .subscribe-card__note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .series-item {
    grid-template-columns: 180px minmax(0, 1fr);
  }

  .page-news .series-cover {
    min-height: 100%;
    border-bottom: 0;
    border-right: var(--bw) solid var(--line);
  }
}

@media (min-width: 760px) {
  .page-news .idx-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-news .news-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: start;
  }

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

  .page-news .pin__go {
    grid-column: 3;
    justify-self: end;
    align-self: center;
  }

  .page-news .ops-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: start;
  }

  .page-news .legacy-grid {
    grid-template-columns: minmax(0, .84fr) minmax(0, 1.16fr);
    align-items: start;
  }

  .page-news .cadence-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }

  .page-news .ops-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-news .idx-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-figure--band img {
    max-height: 320px;
  }
}