.page-news {
  --news-rail-bg: linear-gradient(180deg, rgba(11, 16, 38, 0.94), rgba(5, 6, 15, 0.96));
  --news-card-bg: linear-gradient(180deg, rgba(11, 16, 38, 0.88), rgba(5, 6, 15, 0.92));
  display: block;
  padding-bottom: clamp(40px, 7vw, 88px);
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb {
  padding-top: clamp(18px, 3vw, 30px);
  font-size: 13px;
  letter-spacing: 0.02em;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: clamp(14px, 2.4vw, 24px) 0 clamp(28px, 4vw, 46px);
}

.page-news .news-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(24px, 3.2vw, 40px);
  padding: clamp(26px, 4vw, 54px);
  border: 1px solid var(--stroke);
  border-radius: calc(var(--radius) + 6px);
  background:
    radial-gradient(118% 128% at 100% 0%, rgba(122, 92, 255, 0.24), transparent 58%),
    radial-gradient(96% 112% at 0% 100%, rgba(53, 230, 208, 0.15), transparent 62%),
    var(--ink-800);
  overflow: hidden;
}

.page-news .news-hero__grid::before,
.page-news .news-hero__grid::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: repeating-linear-gradient(90deg, rgba(122, 92, 255, 0.5) 0 2px, transparent 2px 15px);
}

.page-news .news-hero__grid::before { top: 15px; }
.page-news .news-hero__grid::after { bottom: 15px; }

.page-news .news-hero__lead {
  position: relative;
  z-index: 1;
}

.page-news .news-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 5.4vw, 64px);
  line-height: 1.08;
  letter-spacing: 0.03em;
  color: var(--text);
}

.page-news .news-hero__hl {
  background: linear-gradient(96deg, var(--cyan), var(--purple) 58%, var(--magenta));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-news .news-hero__lede {
  max-width: 62ch;
  margin: 20px 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--text-dim);
}

.page-news .news-hero__jump {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin: 24px 0 0;
}

.page-news .news-hero__jumpnote {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.page-news .news-hero__stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-stat {
  padding: 6px 0 6px 14px;
  border-left: 1px solid var(--stroke);
}

.page-news .news-stat__num {
  display: block;
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-news .news-stat__k {
  display: block;
  margin-top: 5px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

/* ---------- 通用栏目头 ---------- */
.page-news .news-head {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 22px);
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

.page-news .section__index {
  font-size: clamp(38px, 5.4vw, 70px);
  line-height: 0.9;
  letter-spacing: 0.05em;
  color: transparent;
  -webkit-text-stroke: 1px var(--stroke);
}

.page-news .section__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.3;
  letter-spacing: 0.03em;
  color: var(--text);
}

/* ---------- 索引区 ---------- */
.page-news .news-index {
  padding-top: clamp(8px, 1.6vw, 18px);
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--stroke-soft);
  border-radius: calc(var(--radius) + 4px);
  background: var(--glass);
}

.page-news .filter-bar__label {
  margin: 0 4px 0 2px;
  color: var(--text-dim);
}

.page-news .filter-bar .chip {
  letter-spacing: 0.03em;
}

.page-news .filter-status {
  margin: 0 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-news .news-hint {
  margin: 14px 0 clamp(20px, 3vw, 32px);
  padding-left: 14px;
  border-left: 2px solid var(--magenta);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 左轴 + 条目流 ---------- */
.page-news .news-body {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}

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

.page-news .rail-frame {
  position: relative;
  overflow: hidden;
  padding: 16px 14px 18px;
  border: 1px solid var(--stroke-soft);
  border-radius: var(--radius);
  background: var(--news-rail-bg);
}

.page-news .rail-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
  pointer-events: none;
}

.page-news .rail-label {
  position: relative;
  z-index: 1;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-news .rail-list {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .rail-list::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(180deg, rgba(122, 92, 255, 0.62), rgba(53, 230, 208, 0.42) 52%, rgba(122, 92, 255, 0.12));
}

.page-news .rail-link {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-dim);
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-news .rail-link:hover,
.page-news .rail-link:focus-visible {
  background: rgba(53, 230, 208, 0.09);
  color: var(--text);
}

.page-news .rail-dot {
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1.25px solid var(--purple);
  background: var(--ink-900);
}

.page-news .rail-item--major .rail-dot {
  background: var(--magenta);
  border-color: var(--magenta);
  box-shadow: 0 0 0 4px rgba(255, 61, 154, 0.14);
  animation: news-pulse 2.4s ease-in-out infinite;
}

@keyframes news-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(255, 61, 154, 0.14); }
  50% { box-shadow: 0 0 0 9px rgba(255, 61, 154, 0.04); }
}

.page-news .rail-no {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--text);
}

.page-news .rail-when {
  margin-left: auto;
  font-size: 11.5px;
  letter-spacing: 0.03em;
  color: var(--text-dim);
  white-space: nowrap;
}

/* ---------- 条目卡片 ---------- */
.page-news .news-stream {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.2vw, 24px);
}

.page-news .news-card {
  position: relative;
  grid-column: 1 / -1;
  padding: clamp(18px, 2.4vw, 30px);
  border: 1px solid var(--stroke-soft);
  border-radius: var(--radius);
  background: var(--news-card-bg);
  scroll-margin-top: 112px;
  transition: border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-news .news-card:hover {
  border-color: var(--stroke);
  box-shadow: 0 20px 52px -34px rgba(122, 92, 255, 0.9);
}

.page-news .news-card__top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.page-news .news-card__no {
  padding: 3px 10px;
  border: 1px solid var(--stroke);
  border-radius: 999px;
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--purple);
}

.page-news .news-card__when {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.page-news .news-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 25px);
  line-height: 1.38;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-news .news-card__sum {
  max-width: 64ch;
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--text-dim);
}

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

.page-news .news-tag {
  padding: 3px 10px;
  border: 1px solid var(--stroke-soft);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-news .news-tag--version { color: var(--cyan); border-color: rgba(53, 230, 208, 0.4); }
.page-news .news-tag--vendor { color: var(--purple); border-color: rgba(122, 92, 255, 0.48); }
.page-news .news-tag--rule { color: var(--magenta); border-color: rgba(255, 61, 154, 0.44); }
.page-news .news-tag--notice { color: var(--gold); border-color: rgba(255, 200, 87, 0.44); }

.page-news .news-card__media {
  margin: 18px 0 4px;
}

.page-news .news-card__media img,
.page-news .news-annex__media img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 展开条目 ---------- */
.page-news .disclosure {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--stroke-soft);
}

.page-news .disclosure__btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 4px 0;
  border: 0;
  background: none;
  font: inherit;
  font-size: 14px;
  letter-spacing: 0.03em;
  color: var(--cyan);
  cursor: pointer;
}

.page-news .disclosure__icon {
  width: 8px;
  height: 8px;
  border-right: 1.25px solid currentColor;
  border-bottom: 1.25px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.2s var(--ease);
}

.page-news .disclosure[data-open="true"] .disclosure__icon {
  transform: rotate(-135deg);
}

.page-news .disclosure__panel {
  margin-top: 12px;
  padding: 14px 16px 16px;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--cyan);
  background: var(--ink-800);
}

.page-news .disclosure[data-open="false"] .disclosure__panel {
  display: none;
}

.page-news .news-card__more {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.86;
  color: var(--text-dim);
}

.page-news .news-card__annex {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--stroke-soft);
  font-size: 14px;
  line-height: 1.84;
  color: var(--text-dim);
}

.page-news .news-card__annex::first-letter {
  color: var(--magenta);
}

/* ---------- 附注区 ---------- */
.page-news .news-annex {
  padding-top: clamp(46px, 7vw, 86px);
}

.page-news .news-annex__grid {
  display: grid;
  gap: clamp(24px, 3.2vw, 40px);
}

.page-news .news-annex__text .prose {
  margin: 0;
}

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

.page-news .annex-steps li {
  position: relative;
  counter-increment: annex;
  padding-left: 46px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--text-dim);
}

.page-news .annex-steps li::before {
  content: counter(annex, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  padding: 2px 8px;
  border: 1px solid rgba(53, 230, 208, 0.4);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

/* ---------- 下一步 ---------- */
.page-news .news-next {
  padding-top: clamp(44px, 6vw, 76px);
}

.page-news .news-next__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-next__link {
  display: block;
  padding: 16px 18px;
  border: 1px solid var(--stroke-soft);
  border-radius: var(--radius);
  background: var(--glass);
  text-decoration: none;
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-news .news-next__link:hover,
.page-news .news-next__link:focus-visible {
  border-color: var(--stroke);
  background: rgba(122, 92, 255, 0.11);
  transform: translateY(-2px);
}

.page-news .news-next__k {
  display: block;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.04em;
  color: var(--text);
}

.page-news .news-next__v {
  display: block;
  margin-top: 7px;
  font-size: 14px;
  line-height: 1.76;
  color: var(--text-dim);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .news-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-news .news-stream {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-news .news-card {
    grid-column: 1 / span 4;
  }

  .page-news .news-card--wide {
    grid-column: 1 / -1;
  }

  .page-news .news-card--narrow {
    grid-column: 3 / -1;
  }
}

@media (min-width: 1024px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-news .news-hero__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 20px;
  }

  .page-news .news-body {
    grid-template-columns: minmax(0, 250px) minmax(0, 1fr);
    align-items: start;
    gap: clamp(24px, 3vw, 44px);
  }

  .page-news .news-rail {
    position: sticky;
    top: 104px;
  }

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

@media (min-width: 1240px) {
  .page-news .news-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-body {
    grid-template-columns: minmax(0, 268px) minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .rail-item--major .rail-dot {
    animation: none;
  }

  .page-news .news-card,
  .page-news .news-next__link,
  .page-news .rail-link,
  .page-news .disclosure__icon {
    transition: none;
  }

  .page-news .news-next__link:hover,
  .page-news .news-next__link:focus-visible {
    transform: none;
  }
}