.page-news {
  --news-line: rgba(92, 117, 146, 0.28);
  --news-line-soft: rgba(92, 117, 146, 0.16);
  --news-gap: clamp(20px, 4vw, 40px);
  display: block;
  padding-bottom: clamp(48px, 8vw, 96px);
  font-family: var(--sans);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: clamp(36px, 6vw, 72px) 0 clamp(26px, 4vw, 44px);
  border-bottom: 1px solid var(--hair);
  background-image: linear-gradient(to right, rgba(92, 117, 146, 0.14) 1px, transparent 1px);
  background-size: clamp(64px, 9vw, 104px) 100%;
  background-repeat: repeat-x;
}

.page-news .news-hero__title {
  margin: 12px 0 0;
  font-family: var(--sans);
  font-size: clamp(32px, 6.4vw, 64px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: 0.08em;
  color: var(--paper);
  max-width: 24ch;
}

.page-news .news-hero__lede {
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.85;
  color: rgba(242, 239, 230, 0.78);
}

.page-news .news-hero__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
}

.page-news .news-hero__meta div {
  border-left: 1px solid var(--news-line);
  padding-left: 12px;
}

.page-news .news-hero__meta dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--line);
  line-height: 1.5;
}

.page-news .news-hero__meta dd {
  margin: 6px 0 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--paper);
}

/* ---------- 分类索引条 ---------- */
.page-news .news-index-wrap {
  padding: clamp(28px, 5vw, 52px) 0 0;
}

.page-news .news-index__head {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--line);
}

.page-news .news-index {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--news-line);
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .news-index__cell {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 18px 20px;
  background: var(--ink-800);
  color: var(--paper);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background-color 180ms ease, border-color 180ms ease;
}

.page-news .news-index__cell:hover,
.page-news .news-index__cell:focus-visible {
  background: var(--ink-700);
  border-left-color: var(--teal);
  outline: none;
}

.page-news .news-index__no {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-news .news-index__name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.page-news .news-index__desc {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(242, 239, 230, 0.66);
}

/* ---------- 记录列表 ---------- */
.page-news .news-log-section {
  padding: clamp(32px, 5vw, 56px) 0 0;
}

.page-news .news-log {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-news .news-log__head {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--paper);
}

.page-news .news-log__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(242, 239, 230, 0.6);
}

.page-news .log-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 14px;
}

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

.page-news .log-filter__input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.page-news .log-filter__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--paper);
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
  user-select: none;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.page-news .log-filter__label:hover {
  border-color: var(--teal);
  color: var(--teal-soft);
}

.page-news .log-filter__input:focus-visible + .log-filter__label {
  outline: 2px solid var(--teal-soft);
  outline-offset: 2px;
}

.page-news .log-filter__input:checked + .log-filter__label {
  background: rgba(47, 182, 166, 0.16);
  border-color: var(--teal);
  color: var(--paper);
}

.page-news .log-filter__count {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--line);
}

.page-news .log-filter__input:checked + .log-filter__label .log-filter__count {
  color: var(--teal-soft);
}

.page-news .mono-label {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--line);
}

.page-news:has(#cat-vers:checked) .log-item:not([data-cat="vers"]),
.page-news:has(#cat-adapt:checked) .log-item:not([data-cat="adapt"]),
.page-news:has(#cat-benefits:checked) .log-item:not([data-cat="benefits"]),
.page-news:has(#cat-reg:checked) .log-item:not([data-cat="reg"]) {
  display: none;
}

.page-news .log-list {
  list-style: none;
  margin: clamp(20px, 4vw, 32px) 0 0;
  padding: 0;
  border-bottom: 1px solid var(--news-line);
}

.page-news .log-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 20px 2px 22px;
  border-top: 1px solid var(--news-line);
  transition: background-color 180ms ease, border-color 180ms ease;
}

.page-news .log-item:hover,
.page-news .log-item:focus-within {
  background: linear-gradient(90deg, rgba(47, 182, 166, 0.08), transparent 72%);
  border-top-color: var(--teal);
}

.page-news .log-item__stamp {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-news .log-item__num {
  color: var(--gold);
  font-weight: 600;
}

.page-news .log-item__time {
  color: var(--line);
}

.page-news .log-item__body {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.page-news .log-tag {
  align-self: flex-start;
  padding: 3px 9px;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.12em;
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  color: var(--line);
}

.page-news .log-tag--vers {
  color: var(--teal-soft);
  border-color: rgba(122, 216, 203, 0.45);
}

.page-news .log-tag--adapt {
  color: var(--gold);
  border-color: rgba(232, 184, 109, 0.45);
}

.page-news .log-tag--benefits {
  color: var(--ochre);
  border-color: rgba(198, 138, 58, 0.55);
}

.page-news .log-tag--reg {
  color: var(--paper);
  border-color: var(--hair);
}

.page-news .log-item__title {
  margin: 0;
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-news .log-item__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 239, 230, 0.72);
}

/* ---------- 宽幅章节 ---------- */
.page-news .news-band {
  margin-top: clamp(48px, 8vw, 96px);
  padding: clamp(34px, 6vw, 68px) 0;
  background: var(--ink-800);
  border-top: 1px solid var(--news-line);
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-band--benefits {
  background: var(--ink-900);
}

.page-news .news-band__head {
  max-width: 70ch;
}

.page-news .news-band h2 {
  margin: 10px 0 0;
  font-size: clamp(23px, 4vw, 36px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: 0.05em;
  color: var(--paper);
  max-width: 26ch;
}

.page-news .news-band__lede {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(242, 239, 230, 0.76);
}

.page-news .news-band .media {
  margin-top: clamp(22px, 4vw, 36px);
}

.page-news .version-track {
  list-style: none;
  margin: clamp(22px, 4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--news-line);
  border-top: 1px solid var(--news-line);
  border-bottom: 1px solid var(--news-line);
}

.page-news .version-track li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 16px 20px;
  background: var(--ink-800);
  border-left: 2px solid transparent;
  transition: border-color 180ms ease, background-color 180ms ease;
}

.page-news .version-track li:hover {
  background: var(--ink-700);
  border-left-color: var(--ochre);
}

.page-news .version-track__no {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-news .version-track__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
  letter-spacing: 0.02em;
}

.page-news .version-track__text {
  font-size: 13px;
  line-height: 1.75;
  color: rgba(242, 239, 230, 0.64);
}

.page-news .news-band .note {
  margin: clamp(18px, 3vw, 26px) 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--line);
}

.page-news .news-band .note a {
  color: var(--teal-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(122, 216, 203, 0.45);
  transition: color 180ms ease, border-color 180ms ease;
}

.page-news .news-band .note a:hover,
.page-news .news-band .note a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 窄旁注 + 正文 ---------- */
.page-news .news-pair {
  margin-top: clamp(48px, 8vw, 96px);
}

.page-news .news-pair__grid {
  display: grid;
  gap: 20px;
}

.page-news .news-pair__aside {
  border-left: 2px solid var(--ochre);
  padding-left: 14px;
}

.page-news .news-pair__mono {
  margin: 10px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.95;
  letter-spacing: 0.08em;
  color: var(--line);
}

.page-news .news-pair h2 {
  margin: 0;
  font-size: clamp(22px, 3.6vw, 32px);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: 0.05em;
  color: var(--paper);
  max-width: 24ch;
}

.page-news .news-pair__body p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(242, 239, 230, 0.76);
  max-width: 64ch;
}

.page-news .adapt-list {
  list-style: none;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--news-line);
  border: 1px solid var(--news-line);
}

.page-news .adapt-list li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 16px;
  background: var(--ink-900);
}

.page-news .adapt-list__key {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--teal-soft);
}

.page-news .adapt-list strong {
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
  letter-spacing: 0.02em;
}

.page-news .adapt-list span:last-child {
  font-size: 13px;
  line-height: 1.75;
  color: rgba(242, 239, 230, 0.64);
}

.page-news .news-pair__figure {
  margin-top: clamp(24px, 4vw, 40px);
}

/* ---------- 权益与注册 ---------- */
.page-news .benefits-grid {
  display: grid;
  gap: 1px;
  background: var(--news-line);
  border: 1px solid var(--news-line);
}

.page-news .benefit-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: clamp(20px, 3.6vw, 34px);
  background: var(--ink-700);
}

.page-news .benefit-card--gold {
  background: linear-gradient(155deg, rgba(198, 138, 58, 0.2), var(--ink-700) 62%);
}

.page-news .benefit-card h2 {
  margin: 0;
  font-size: clamp(21px, 3.2vw, 28px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-news .benefit-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: rgba(242, 239, 230, 0.76);
}

.page-news .benefit-card .mono-label {
  color: var(--gold);
}

.page-news .benefit-card .btn {
  margin-top: 4px;
}

/* ---------- 记录导出 ---------- */
.page-news .news-export {
  margin-top: clamp(48px, 8vw, 96px);
}

.page-news .news-export__grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: start;
}

.page-news .news-export h2 {
  margin: 0;
  font-size: clamp(22px, 3.6vw, 32px);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-news .news-export p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(242, 239, 230, 0.76);
}

.page-news .export-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--news-line);
  border-top: 1px solid var(--news-line);
  border-bottom: 1px solid var(--news-line);
}

.page-news .export-list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 13px 4px;
  background: transparent;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 239, 230, 0.8);
  border-top: 1px solid var(--news-line-soft);
}

.page-news .export-list li:first-child {
  border-top: 0;
}

.page-news .export-list__key {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
  flex: none;
}

.page-news .news-export__note {
  color: var(--line) !important;
  font-size: 13px !important;
}

.page-news .news-export .btn {
  margin-top: 18px;
}

/* ---------- 结尾 ---------- */
.page-news .news-cta {
  margin-top: clamp(44px, 7vw, 80px);
  border-top: 1px solid var(--news-line);
  padding-top: clamp(24px, 4vw, 38px);
}

.page-news .news-cta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px 28px;
}

.page-news .news-cta h2 {
  margin: 0;
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 800;
  letter-spacing: 0.05em;
  line-height: 1.4;
  color: var(--paper);
}

.page-news .news-cta p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242, 239, 230, 0.7);
  max-width: 52ch;
}

.page-news .news-cta .btn {
  flex: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .log-item {
    grid-template-columns: 108px 1fr;
    align-items: start;
    gap: 4px 20px;
  }

  .page-news .log-item__stamp {
    flex-direction: column;
    gap: 2px;
  }

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

@media (min-width: 760px) {
  .page-news .news-hero__meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-news .version-track {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-news .news-log {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-log__rail {
    position: sticky;
    top: calc(var(--topbar-h) + 24px);
    padding-right: 8px;
  }

  .page-news .log-filters {
    flex-direction: column;
    align-items: stretch;
  }

  .page-news .log-filter__label {
    justify-content: space-between;
    width: 100%;
  }

  .page-news .news-pair__grid {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 44px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-news .news-index__cell,
  .page-news .log-filter__label,
  .page-news .log-item,
  .page-news .version-track li {
    transition: none;
  }
}