.page-news {
  --upd-rule: 1px solid var(--line-300);
  --upd-gold-rule: 1px solid var(--gold-700);
  --upd-ink-rule: 1px solid rgba(201, 162, 39, 0.32);
  background: var(--paper-50);
  color: var(--text-900);
  font-family: var(--font-body);
}

.page-news img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-news .upd-inner {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

/* ---------- 首屏 ---------- */
.page-news .upd-hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(158deg, rgba(201, 162, 39, 0.12), transparent 48%),
    var(--ink-900);
  color: var(--sand-100);
  border-bottom: var(--upd-gold-rule);
  padding-block: clamp(26px, 5vw, 52px) clamp(34px, 6vw, 72px);
  padding-inline: var(--gutter);
}

.page-news .upd-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(201, 162, 39, 0.16) 0 1px,
    transparent 1px 120px
  );
  pointer-events: none;
}

.page-news .upd-hero__grid {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  gap: clamp(24px, 4vw, 56px);
}

.page-news .upd-crumb {
  margin-bottom: clamp(18px, 3vw, 30px);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-news .upd-eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-300);
}

.page-news .upd-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(44px, 11vw, 104px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper-50);
}

.page-news .upd-title::after {
  content: "";
  display: block;
  width: 72px;
  height: 2px;
  margin-top: 22px;
  background: var(--gold-500);
}

.page-news .upd-lead {
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: 36ch;
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.9;
  color: rgba(243, 234, 218, 0.84);
}

.page-news .upd-hero__aside {
  border: 1px solid rgba(201, 162, 39, 0.5);
  background: rgba(28, 28, 26, 0.72);
  padding: 20px 18px;
}

.page-news .upd-hero__asideTitle {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-500);
}

.page-news .upd-stats {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-news .upd-stats__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 10px 0;
  border-top: 1px solid rgba(201, 162, 39, 0.22);
}

.page-news .upd-stats__row:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-news .upd-stats dt {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: rgba(243, 234, 218, 0.62);
}

.page-news .upd-stats dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--sand-100);
}

/* ---------- 页顶通知条 ---------- */
.page-news .upd-notice {
  background: var(--ink-700);
  border-bottom: var(--upd-gold-rule);
  color: var(--sand-100);
}

.page-news .upd-notice__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px var(--gutter);
  cursor: pointer;
  list-style: none;
}

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

.page-news .upd-notice__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  padding: 3px 8px;
  border: 1px solid var(--gold-500);
  color: var(--gold-300);
  flex: 0 0 auto;
}

.page-news .upd-notice__text {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(243, 234, 218, 0.86);
  flex: 1 1 260px;
  min-width: 0;
}

.page-news .upd-notice__hint {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold-500);
  flex: 0 0 auto;
}

.page-news .upd-notice__body {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter) 20px;
  border-top: 1px solid rgba(201, 162, 39, 0.24);
}

.page-news .upd-notice__body p {
  margin: 16px 0 14px;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(243, 234, 218, 0.74);
}

/* ---------- 通用区块 ---------- */
.page-news .upd-section {
  padding-block: clamp(42px, 7vw, 86px);
}

.page-news .upd-section--sand {
  background: var(--sand-100);
  border-block: var(--upd-rule);
}

.page-news .upd-section--ink {
  background: var(--ink-900);
  color: var(--sand-100);
}

.page-news .upd-sect-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(22px, 4vw, 40px);
  max-width: 62ch;
}

.page-news .upd-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold-700);
}

.page-news .upd-index--onink {
  color: var(--gold-500);
}

.page-news .upd-h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.4vw, 44px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--text-900);
}

.page-news .upd-sect-note {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted-600);
}

.page-news .upd-sect-head--ink .upd-h2 {
  color: var(--paper-50);
}

.page-news .upd-sect-head--ink .upd-sect-note {
  color: rgba(243, 234, 218, 0.66);
}

/* ---------- 本期要点 ---------- */
.page-news .brief-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--upd-gold-rule);
}

.page-news .brief-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: var(--upd-rule);
}

.page-news .brief-item__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold-700);
  padding-top: 5px;
}

.page-news .brief-item__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-900);
}

/* ---------- 图注 ---------- */
.page-news .upd-figure {
  margin: 0 0 clamp(24px, 4vw, 40px);
}

.page-news .upd-figure img {
  width: 100%;
  border: var(--upd-rule);
  background: var(--ink-700);
  object-fit: cover;
}

.page-news .upd-figure__cap {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted-600);
  border-left: 1px solid var(--gold-700);
  padding-left: 10px;
}

.page-news .upd-figure--ink img {
  border-color: rgba(201, 162, 39, 0.4);
}

.page-news .upd-figure--ink .upd-figure__cap {
  color: rgba(243, 234, 218, 0.6);
  border-left-color: var(--gold-500);
}

/* ---------- 四类记录 ---------- */
.page-news .cat-grid {
  display: grid;
  gap: 1px;
  background: var(--line-300);
  border: var(--upd-rule);
}

.page-news .cat-card {
  background: var(--paper-50);
  padding: 22px 20px 24px;
}

.page-news .cat-card::before {
  content: "";
  display: block;
  width: 34px;
  height: 3px;
  margin-bottom: 14px;
  background: var(--gold-500);
}

.page-news .cat-card--entry::before {
  background: var(--gold-700);
}

.page-news .cat-card--compat::before {
  background: var(--steel-500);
}

.page-news .cat-card--notice::before {
  background: var(--amber-600);
}

.page-news .cat-card__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text-900);
}

.page-news .cat-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted-600);
}

/* ---------- 条目列表 ---------- */
.page-news .news-board {
  position: relative;
  display: grid;
  gap: 18px;
}

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

.page-news .news-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  min-width: 0;
}

.page-news .news-rail__tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border: 1px solid var(--line-300);
  background: var(--paper-50);
  color: var(--text-900);
  font-size: 14px;
  letter-spacing: 0.06em;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-news .news-rail__tab:hover {
  border-color: var(--gold-700);
  color: var(--gold-700);
}

.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-bottom: var(--upd-rule);
  min-width: 0;
}

.page-news .news-item {
  display: grid;
  gap: 10px;
  padding: 22px 0 24px;
  border-top: var(--upd-rule);
}

.page-news .news-item:first-child {
  border-left: 2px solid var(--gold-500);
  padding-left: 16px;
}

.page-news .news-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}

.page-news .news-item__ver {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  padding: 3px 9px;
  min-width: 62px;
  text-align: center;
  border: 1px solid var(--gold-500);
  color: var(--gold-700);
}

.page-news .news-item__cat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted-600);
}

.page-news .news-item__cat::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--gold-500);
}

.page-news .news-item__cat--entry::before {
  background: var(--gold-700);
}

.page-news .news-item__cat--compat::before {
  background: var(--steel-500);
}

.page-news .news-item__cat--notice::before {
  background: var(--amber-600);
}

.page-news .news-item__time {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 3px 9px;
  border: 1px solid var(--line-300);
  color: var(--muted-600);
}

.page-news .news-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.7vw, 25px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-900);
}

.page-news .news-item__text {
  margin: 0;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-900);
}

.page-news .news-more summary {
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold-700);
}

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

.page-news .news-more summary::before {
  content: "+";
  font-size: 14px;
  line-height: 1;
}

.page-news .news-more[open] summary::before {
  content: "–";
}

.page-news .news-more summary:hover {
  color: var(--gold-500);
}

.page-news .news-more p {
  margin: 10px 0 0;
  max-width: 62ch;
  padding-left: 14px;
  border-left: 1px solid var(--gold-700);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted-600);
}

/* 分类筛选（纯 CSS，键盘可操作） */
.page-news #upd-cat-release:checked ~ .news-list .news-item:not([data-cat="release"]),
.page-news #upd-cat-entry:checked ~ .news-list .news-item:not([data-cat="entry"]),
.page-news #upd-cat-compat:checked ~ .news-list .news-item:not([data-cat="compat"]),
.page-news #upd-cat-notice:checked ~ .news-list .news-item:not([data-cat="notice"]) {
  display: none;
}

.page-news #upd-cat-all:checked ~ .news-rail .news-rail__tab[for="upd-cat-all"],
.page-news #upd-cat-release:checked ~ .news-rail .news-rail__tab[for="upd-cat-release"],
.page-news #upd-cat-entry:checked ~ .news-rail .news-rail__tab[for="upd-cat-entry"],
.page-news #upd-cat-compat:checked ~ .news-rail .news-rail__tab[for="upd-cat-compat"],
.page-news #upd-cat-notice:checked ~ .news-rail .news-rail__tab[for="upd-cat-notice"] {
  background: var(--gold-700);
  border-color: var(--gold-700);
  color: var(--paper-50);
}

.page-news #upd-cat-all:focus-visible ~ .news-rail .news-rail__tab[for="upd-cat-all"],
.page-news #upd-cat-release:focus-visible ~ .news-rail .news-rail__tab[for="upd-cat-release"],
.page-news #upd-cat-entry:focus-visible ~ .news-rail .news-rail__tab[for="upd-cat-entry"],
.page-news #upd-cat-compat:focus-visible ~ .news-rail .news-rail__tab[for="upd-cat-compat"],
.page-news #upd-cat-notice:focus-visible ~ .news-rail .news-rail__tab[for="upd-cat-notice"] {
  outline: 2px solid var(--gold-500);
  outline-offset: 2px;
}

/* ---------- 按版本回溯 ---------- */
.page-news .ver-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-news .ver-text {
  margin: 0 0 22px;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: rgba(243, 234, 218, 0.86);
}

.page-news .ver-index {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--upd-ink-rule);
}

.page-news .ver-index li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  padding: 16px 0;
  border-bottom: var(--upd-ink-rule);
}

.page-news .ver-index a {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--paper-50);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-500);
  padding-bottom: 2px;
}

.page-news .ver-index a:hover,
.page-news .ver-index a:focus-visible {
  color: var(--gold-300);
  border-bottom-color: var(--gold-300);
}

.page-news .ver-index span {
  flex: 1 1 240px;
  min-width: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(243, 234, 218, 0.68);
}

.page-news .ver-note {
  margin: 22px 0 0;
  max-width: 60ch;
  padding-left: 14px;
  border-left: 1px solid var(--gold-700);
  font-size: 14px;
  line-height: 1.85;
  color: rgba(243, 234, 218, 0.62);
}

/* ---------- 订阅 ---------- */
.page-news .sub-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-news .sub-options {
  display: grid;
  gap: 1px;
  background: var(--line-300);
  border: var(--upd-rule);
}

.page-news .sub-option {
  background: var(--paper-50);
  padding: 22px 20px 24px;
}

.page-news .sub-option__k {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold-700);
}

.page-news .sub-option__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-900);
}

.page-news .sub-option__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted-600);
}

.page-news .sub-note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted-600);
}

/* ---------- 下一步 ---------- */
.page-news .next-grid {
  display: grid;
  gap: 1px;
  background: var(--line-300);
  border: var(--upd-rule);
}

.page-news .next-link {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 22px 20px 24px;
  background: var(--paper-50);
  color: var(--text-900);
  text-decoration: none;
  transition: background 0.18s ease;
}

.page-news .next-link:hover,
.page-news .next-link:focus-visible {
  background: var(--sand-100);
}

.page-news .next-link__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold-700);
}

.page-news .next-link__t {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
}

.page-news .next-link__d {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted-600);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .upd-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(240px, 0.75fr);
    align-items: end;
  }

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

  .page-news .brief-list {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .brief-item {
    padding-inline: 0;
  }

  .page-news .brief-item:nth-child(odd) {
    padding-right: 28px;
    border-right: var(--upd-rule);
  }

  .page-news .brief-item:nth-child(even) {
    padding-left: 28px;
  }

  .page-news .sub-options {
    grid-template-columns: 1fr 1fr;
  }

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

@media (min-width: 960px) {
  .page-news .news-board {
    grid-template-columns: 112px minmax(0, 1fr);
    align-items: start;
    gap: clamp(24px, 4vw, 56px);
  }

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--status-h) + 20px);
    flex-direction: column;
    align-items: flex-start;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .news-rail__tab {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    padding: 20px 12px;
    letter-spacing: 0.24em;
    font-size: 14px;
    width: 100%;
  }

  .page-news .ver-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

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

  .page-news .upd-figure--sub {
    margin-bottom: 0;
    padding-top: 12px;
  }

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

@media (min-width: 1280px) {
  .page-news .cat-grid {
    grid-template-columns: repeat(4, 1fr);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-news .news-rail__tab,
  .page-news .next-link {
    transition: none;
  }
}