.page-news {
  --news-rail-w: 236px;
  --news-gap: clamp(28px, 4vw, 64px);
  padding-bottom: clamp(48px, 7vw, 96px);
  background: var(--ink-900);
  color: var(--text-100);
}

.page-news h1,
.page-news h2,
.page-news h3 {
  margin: 0;
}

.page-news p {
  margin: 0;
}

.page-news ul,
.page-news ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news a {
  text-decoration: none;
}

.page-news .mk-breadcrumb {
  padding-top: clamp(20px, 3vw, 32px);
  font-size: 13px;
  color: var(--text-400);
}

.page-news .mk-breadcrumb a {
  color: var(--text-400);
  transition: color .2s var(--ease);
}

.page-news .mk-breadcrumb a:hover {
  color: var(--aqua-400);
}

.page-news .mk-breadcrumb__sep {
  margin: 0 8px;
  color: var(--rule-600);
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  border-bottom: 1px solid var(--rule-600);
  padding-bottom: clamp(28px, 4vw, 48px);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -12%;
  width: min(760px, 82vw);
  height: 420px;
  background: radial-gradient(closest-side, rgba(53, 224, 196, .13), rgba(53, 224, 196, 0) 72%);
  pointer-events: none;
  z-index: 0;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
  padding-top: clamp(28px, 5vw, 56px);
}

.page-news .news-hero__eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-400);
}

.page-news .news-hero__eyebrow .mk-mono {
  padding: 3px 9px;
  border: 1px solid rgba(255, 122, 58, .45);
  border-radius: 2px;
  color: var(--ember-500);
  letter-spacing: .14em;
}

.page-news .news-hero h1 {
  font-size: clamp(29px, 6.2vw, 58px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.01em;
  max-width: 17ch;
}

.page-news .news-hero__side > p {
  max-width: 48ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.85;
  color: var(--text-400);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-news .news-tally {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: clamp(28px, 4vw, 46px);
}

.page-news .news-tally__cell {
  padding: clamp(16px, 2vw, 22px) 18px clamp(14px, 1.6vw, 18px) 0;
  border-top: 1px solid var(--rule-600);
}

.page-news .news-tally__num {
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--aqua-400);
}

.page-news .news-tally__label {
  margin-top: 10px;
  max-width: 20ch;
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-400);
}

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

@media (min-width: 920px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 6.5fr) minmax(0, 5fr);
    align-items: end;
    gap: clamp(40px, 5vw, 76px);
  }
}

/* ---------- 栏目 + 条目 ---------- */

.page-news .news-board {
  padding-top: clamp(40px, 6vw, 76px);
}

.page-news .news-board__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 40px);
  align-items: start;
}

.page-news .news-rail {
  border-top: 2px solid var(--ember-500);
  padding-top: 16px;
}

.page-news .news-rail__cap {
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--text-400);
  margin-bottom: 10px;
}

.page-news .news-rail__hint {
  margin-bottom: 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-400);
}

.page-news .news-filters {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

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

.page-news .news-filters__label {
  display: inline-flex;
  align-items: center;
  padding: 6px 13px;
  border: 1px solid var(--rule-600);
  border-radius: 999px;
  font-size: 13px;
  line-height: 1.2;
  color: var(--text-400);
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .news-filters__label:hover {
  border-color: var(--aqua-400);
  color: var(--text-100);
}

.page-news .news-filters__input:focus-visible + .news-filters__label {
  outline: 2px solid var(--aqua-400);
  outline-offset: 2px;
}

.page-news .news-filters__input:checked + .news-filters__label {
  background: var(--ember-500);
  border-color: var(--ember-500);
  color: var(--ink-900);
  font-weight: 700;
}

.page-news .news-board:has(#nf-version:checked) .news-item:not(.news-item--version),
.page-news .news-board:has(#nf-adapt:checked) .news-item:not(.news-item--adapt),
.page-news .news-board:has(#nf-column:checked) .news-item:not(.news-item--column),
.page-news .news-board:has(#nf-topic:checked) .news-item:not(.news-item--topic) {
  display: none;
}

.page-news .news-rail__nav .mk-toc {
  border-top: 1px solid var(--rule-600);
}

.page-news .news-rail__nav .mk-toc li {
  list-style: none;
}

.page-news .news-rail__nav .mk-toc a {
  position: relative;
  display: block;
  padding: 10px 0 10px 16px;
  border-bottom: 1px solid rgba(34, 66, 58, .7);
  font-size: 14px;
  color: var(--text-400);
  transition: color .2s var(--ease), padding-left .2s var(--ease);
}

.page-news .news-rail__nav .mk-toc a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 7px;
  height: 1px;
  background: var(--rule-600);
  transition: width .2s var(--ease), background .2s var(--ease);
}

.page-news .news-rail__nav .mk-toc a:hover,
.page-news .news-rail__nav .mk-toc a[aria-current] {
  padding-left: 22px;
  color: var(--aqua-400);
}

.page-news .news-rail__nav .mk-toc a:hover::before,
.page-news .news-rail__nav .mk-toc a[aria-current]::before {
  width: 14px;
  background: var(--aqua-400);
}

.page-news .news-stream__head {
  margin-bottom: clamp(18px, 2.4vw, 28px);
}

.page-news .news-stream__head h2 {
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 800;
  line-height: 1.25;
}

.page-news .news-stream__head p {
  margin-top: 10px;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-400);
}

.page-news .news-list {
  border-top: 1px solid var(--rule-600);
}

.page-news .news-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: clamp(16px, 2.2vw, 24px) 0 clamp(16px, 2.2vw, 24px) 16px;
  border-bottom: 1px solid var(--rule-600);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--ember-500);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .26s var(--ease);
}

.page-news .news-item:hover::before,
.page-news .news-item:focus-within::before {
  transform: scaleY(1);
}

.page-news .news-item__id {
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--amber-300);
}

.page-news .news-item__kind {
  margin-bottom: 9px;
}

.page-news .news-item__title {
  font-size: clamp(17px, 1.9vw, 21px);
  font-weight: 700;
  line-height: 1.42;
}

.page-news .news-item__title a {
  color: var(--text-100);
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .news-item__title a:hover {
  color: var(--aqua-400);
  border-bottom-color: var(--aqua-400);
}

.page-news .news-item__summary {
  margin-top: 9px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-400);
  transition: color .24s var(--ease);
}

.page-news .news-item:hover .news-item__summary,
.page-news .news-item:focus-within .news-item__summary {
  color: var(--text-100);
}

@media (min-width: 720px) {
  .page-news .news-item {
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 0 22px;
    align-items: start;
  }

  .page-news .news-item__summary {
    max-height: 1.75em;
    overflow: hidden;
    transition: max-height .3s var(--ease), color .24s var(--ease);
  }

  .page-news .news-item:hover .news-item__summary,
  .page-news .news-item:focus-within .news-item__summary {
    max-height: 8em;
  }
}

@media (min-width: 920px) {
  .page-news .news-board__grid {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: var(--news-gap);
  }

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

/* ---------- 通用章节头 ---------- */

.page-news .news-section__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-bottom: clamp(24px, 3.5vw, 40px);
}

.page-news .news-section__num {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--ember-500);
}

.page-news .news-section__head h2 {
  max-width: 24ch;
  font-size: clamp(23px, 3.2vw, 36px);
  font-weight: 800;
  line-height: 1.22;
}

.page-news .news-section__head p {
  margin-top: 14px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-400);
}

@media (min-width: 840px) {
  .page-news .news-section__head {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 0 28px;
    align-items: start;
  }
}

.page-news .news-figure {
  margin: 0 0 clamp(24px, 3vw, 38px);
  border: 1px solid var(--rule-600);
  background: var(--ink-800);
  overflow: hidden;
}

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

.page-news .news-figure figcaption {
  padding: 11px 16px;
  border-top: 1px solid var(--rule-600);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text-400);
}

/* ---------- 归档 ---------- */

.page-news .news-archive {
  margin-top: clamp(56px, 8vw, 112px);
  padding-top: clamp(36px, 5vw, 64px);
  border-top: 1px solid var(--rule-600);
}

.page-news .archive-list {
  border-top: 1px solid var(--rule-600);
}

.page-news .archive-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: clamp(16px, 2vw, 22px) 0;
  border-bottom: 1px solid var(--rule-600);
}

.page-news .archive-row__ver {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--amber-300);
}

.page-news .archive-row__span {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-100);
}

.page-news .archive-row__note {
  margin-top: 7px;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-400);
}

.page-news .archive-row__link {
  justify-self: start;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(53, 224, 196, .4);
  font-size: 13px;
  color: var(--aqua-400);
  transition: border-color .2s var(--ease);
}

.page-news .archive-row__link:hover {
  border-bottom-color: var(--aqua-400);
}

@media (min-width: 760px) {
  .page-news .archive-row {
    grid-template-columns: 76px minmax(0, 1fr) 96px;
    gap: 0 26px;
    align-items: baseline;
  }

  .page-news .archive-row__link {
    justify-self: end;
  }
}

/* ---------- 板块切换 ---------- */

.page-news .news-switch {
  margin-top: clamp(56px, 8vw, 112px);
  padding-top: clamp(36px, 5vw, 64px);
  border-top: 1px solid var(--rule-600);
}

.page-news .switch-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  border: 1px solid var(--rule-600);
  background: var(--rule-600);
}

.page-news .switch-row {
  display: grid;
  align-content: start;
  gap: 9px;
  padding: clamp(16px, 2vw, 22px);
  background: var(--ink-900);
  transition: background .24s var(--ease);
}

.page-news .switch-row:hover {
  background: var(--ink-800);
}

.page-news .switch-row__idx {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--aqua-400);
}

.page-news .switch-row__text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-400);
}

.page-news .switch-row__text strong {
  font-weight: 700;
  color: var(--text-100);
}

@media (min-width: 700px) {
  .page-news .switch-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-news .switch-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 专题 ---------- */

.page-news .news-topics {
  margin-top: clamp(56px, 8vw, 112px);
  padding-top: clamp(36px, 5vw, 64px);
  border-top: 1px solid var(--rule-600);
}

.page-news .topic-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2vw, 24px);
}

.page-news .topic-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--rule-600);
  background: var(--ink-800);
  overflow: hidden;
  transition: border-color .24s var(--ease), transform .24s var(--ease);
}

.page-news .topic-card:hover {
  border-color: var(--glass-700);
  transform: translateY(-2px);
}

.page-news .topic-card img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 640;
  object-fit: cover;
  border-bottom: 1px solid var(--rule-600);
}

.page-news .topic-card__body {
  display: grid;
  align-content: start;
  gap: 11px;
  padding: clamp(18px, 2vw, 24px);
}

.page-news .topic-card__idx {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--ember-500);
}

.page-news .topic-card h3 {
  font-size: 20px;
  font-weight: 800;
  line-height: 1.3;
}

.page-news .topic-card__body > p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-400);
}

.page-news .topic-card__meta {
  margin-top: 4px;
  padding-top: 10px;
  border-top: 1px solid var(--rule-600);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--amber-300);
}

@media (min-width: 720px) {
  .page-news .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-news .topic-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 更新提醒 ---------- */

.page-news .news-notify {
  margin-top: clamp(56px, 8vw, 112px);
  padding-top: clamp(36px, 5vw, 64px);
  border-top: 1px solid var(--rule-600);
}

.page-news .news-notify__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 36px);
}

.page-news .news-notify__badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  margin-bottom: 18px;
  border: 1px solid rgba(53, 224, 196, .35);
  border-radius: 999px;
  background: rgba(53, 224, 196, .07);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--aqua-400);
}

.page-news .news-notify__lead h2 {
  max-width: 18ch;
  font-size: clamp(23px, 3.2vw, 36px);
  font-weight: 800;
  line-height: 1.22;
}

.page-news .news-notify__lead p {
  margin-top: 14px;
  max-width: 34ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-400);
}

.page-news .news-notify__body > p {
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-400);
}

.page-news .news-notify__list {
  margin-top: 22px;
}

.page-news .news-notify__list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--rule-600);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-100);
}

.page-news .news-notify__list li:first-child {
  border-top: 1px solid var(--rule-600);
}

.page-news .news-notify__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

@media (min-width: 900px) {
  .page-news .news-notify__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: clamp(40px, 6vw, 88px);
    align-items: start;
  }
}

@media (max-width: 480px) {
  .page-news .news-tally {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-news .news-hero__actions .mk-btn,
  .page-news .news-notify__actions .mk-btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}