.page-news {
  --note-bg: rgba(18, 40, 61, .62);
  --note-bg-hover: rgba(26, 58, 82, .82);
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-news .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: clamp(16px, 2.6vw, 30px);
}

.page-news .breadcrumbs__item {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
  text-decoration: none;
}

.page-news .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--ink-700);
}

.page-news .breadcrumbs__item[aria-current] {
  color: var(--cyan);
}

/* 首屏 */
.page-news .news-hero {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  padding: clamp(22px, 3.4vw, 42px) 0 clamp(38px, 6vw, 76px);
}

@media (min-width: 920px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: center;
  }
}

.page-news .news-hero h1 {
  margin: 10px 0 0;
}

.page-news .news-hero .lede {
  margin: clamp(14px, 2vw, 22px) 0 0;
  max-width: 46ch;
  color: var(--mist);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-news .news-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  padding-top: clamp(16px, 2.4vw, 24px);
  border-top: 1px solid var(--line);
}

.page-news .news-stats__item {
  min-width: 0;
}

.page-news .news-stats__item dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .07em;
  color: var(--mist);
}

.page-news .news-stats__item dd {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 3.4vw, 34px);
  line-height: 1;
  color: var(--text);
}

.page-news .news-stats__item dd span {
  color: var(--cyan);
  font-size: .68em;
  margin-left: 2px;
}

.page-news .news-hero__figure {
  margin: 0;
}

/* 时间轴 + 更新列表 */
.page-news .notes-board {
  display: grid;
  gap: clamp(22px, 3.6vw, 48px);
  padding: clamp(30px, 5vw, 56px) 0;
  border-top: 1px solid var(--line);
}

.page-news .notes-board__aside {
  min-width: 0;
}

.page-news .notes-board__aside .eyebrow {
  margin: 0 0 16px;
}

@media (min-width: 980px) {
  .page-news .notes-board {
    grid-template-columns: minmax(196px, 252px) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .notes-board__aside {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }
}

.page-news .version-rail {
  list-style: none;
  margin: 0;
  padding: 0 0 0 20px;
  border-left: 1px solid var(--ink-700);
}

.page-news .version-rail__item {
  position: relative;
}

.page-news .version-rail__dot {
  position: absolute;
  left: -24.5px;
  top: 16px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink-700);
  transition: background .22s var(--ease), box-shadow .22s var(--ease);
}

.page-news .version-rail__item.is-current .version-rail__dot {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 230, 208, .16), 0 0 12px rgba(53, 230, 208, .55);
}

.page-news .version-rail__link {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5px 10px;
  padding: 10px 6px;
  border-radius: var(--r-sm);
  text-decoration: none;
  transition: background .2s var(--ease);
}

.page-news .version-rail__link:hover {
  background: rgba(53, 230, 208, .07);
}

.page-news .version-rail__label {
  flex: 1 1 100%;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
}

.page-news .version-rail__link--static .version-rail__label {
  color: var(--mist);
}

.page-news .version-rail__time {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: rgba(183, 195, 204, .68);
}

.page-news .version-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  padding: 3px 9px;
  border-radius: var(--r-sm);
  color: var(--cyan);
  border: 1px solid var(--line-strong);
  background: rgba(53, 230, 208, .08);
}

.page-news .version-rail__more {
  display: inline-block;
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.page-news .version-rail__more:hover {
  border-bottom-color: var(--orange);
}

.page-news .notes-board__main {
  min-width: 0;
}

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

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

.page-news .notes-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px;
  margin-bottom: 18px;
  border: 1px solid var(--ink-700);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(18, 40, 61, .94), rgba(11, 27, 43, .72));
}

.page-news .filter-chip {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  padding: 8px 14px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--mist);
  user-select: none;
  transition: color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}

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

.page-news #f-all:checked ~ .notes-toolbar [for="f-all"],
.page-news #f-version:checked ~ .notes-toolbar [for="f-version"],
.page-news #f-nav:checked ~ .notes-toolbar [for="f-nav"],
.page-news #f-mobile:checked ~ .notes-toolbar [for="f-mobile"],
.page-news #f-resource:checked ~ .notes-toolbar [for="f-resource"] {
  color: var(--ink-900);
  background: linear-gradient(100deg, var(--cyan), var(--cyan-soft));
  border-color: var(--cyan-soft);
  font-weight: 700;
}

.page-news #f-all:focus-visible ~ .notes-toolbar [for="f-all"],
.page-news #f-version:focus-visible ~ .notes-toolbar [for="f-version"],
.page-news #f-nav:focus-visible ~ .notes-toolbar [for="f-nav"],
.page-news #f-mobile:focus-visible ~ .notes-toolbar [for="f-mobile"],
.page-news #f-resource:focus-visible ~ .notes-toolbar [for="f-resource"] {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news #f-version:checked ~ .note-list .note:not([data-cat~="version"]),
.page-news #f-nav:checked ~ .note-list .note:not([data-cat~="nav"]),
.page-news #f-mobile:checked ~ .note-list .note:not([data-cat~="mobile"]),
.page-news #f-resource:checked ~ .note-list .note:not([data-cat~="resource"]) {
  display: none;
}

@keyframes newsNoteIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-news #f-version:checked ~ .note-list .note[data-cat~="version"],
.page-news #f-nav:checked ~ .note-list .note[data-cat~="nav"],
.page-news #f-mobile:checked ~ .note-list .note[data-cat~="mobile"],
.page-news #f-resource:checked ~ .note-list .note[data-cat~="resource"] {
  animation: newsNoteIn .34s var(--ease) both;
}

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

.page-news .note {
  padding: 16px 18px 16px 20px;
  border-radius: var(--r-md);
  border-left: 2px solid transparent;
  background: linear-gradient(92deg, var(--note-bg), rgba(18, 40, 61, .2));
  transition: border-color .25s var(--ease), background .25s var(--ease);
}

.page-news .note:hover {
  border-left-color: var(--cyan);
  background: linear-gradient(92deg, var(--note-bg-hover), rgba(18, 40, 61, .3));
}

.page-news .note__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
}

.page-news .tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  padding: 3px 9px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  color: var(--mist);
}

.page-news .tag--version {
  color: var(--cyan);
  border-color: var(--line-strong);
  background: rgba(53, 230, 208, .08);
}

.page-news .tag--nav {
  color: var(--cyan-soft);
  border-color: rgba(166, 255, 244, .28);
  background: rgba(166, 255, 244, .06);
}

.page-news .tag--mobile {
  color: var(--orange);
  border-color: var(--line-warm);
  background: rgba(255, 138, 61, .08);
}

.page-news .tag--resource {
  color: var(--mist);
  background: rgba(183, 195, 204, .06);
}

.page-news .note__time {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: rgba(183, 195, 204, .7);
}

.page-news .note__title {
  margin: 10px 0 0;
  font-size: clamp(16px, 1.6vw, 18px);
  font-weight: 700;
  line-height: 1.48;
}

.page-news .note__title a {
  color: var(--text);
  text-decoration: none;
}

.page-news .note__title a:hover {
  color: var(--cyan);
}

.page-news .note__body {
  margin: 8px 0 0;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .note__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
  text-decoration: none;
}

.page-news .note__link::after {
  content: "→";
  transition: transform .2s var(--ease);
}

.page-news .note__link:hover::after {
  transform: translateX(3px);
}

/* 公告 */
.page-news .announce {
  padding: clamp(30px, 5vw, 56px) 0;
  border-top: 1px solid var(--line);
}

.page-news .announce__head .lede {
  margin: 14px 0 0;
  max-width: 58ch;
  color: var(--mist);
  font-size: 15px;
}

.page-news .announce__grid {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  margin-top: clamp(20px, 3vw, 32px);
}

@media (min-width: 900px) {
  .page-news .announce__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, .55fr);
    align-items: start;
  }
}

.page-news .announce__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .announce-row {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr);
  gap: 6px 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .announce-row:first-child {
  padding-top: 0;
}

@media (min-width: 680px) {
  .page-news .announce-row {
    grid-template-columns: 10px minmax(0, 1fr) auto;
    align-items: start;
  }
}

.page-news .announce-row__dot {
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 138, 61, .14);
}

.page-news .announce-row__main {
  grid-column: 2;
  min-width: 0;
}

.page-news .announce-row__title {
  margin: 0;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--text);
}

.page-news .announce-row__body {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .announce-row__time {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: rgba(183, 195, 204, .68);
}

@media (min-width: 680px) {
  .page-news .announce-row__time {
    grid-column: 3;
    grid-row: 1;
    padding-top: 3px;
    text-align: right;
    white-space: nowrap;
  }
}

.page-news .badge {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 8px;
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .05em;
  white-space: nowrap;
  vertical-align: 2px;
}

.page-news .badge--doing {
  color: var(--orange);
  background: rgba(255, 138, 61, .12);
  border: 1px solid var(--line-warm);
}

.page-news .badge--done {
  color: var(--cyan);
  background: rgba(53, 230, 208, .12);
  border: 1px solid var(--line-strong);
}

.page-news .badge--info {
  color: var(--mist);
  background: rgba(183, 195, 204, .08);
  border: 1px solid var(--line);
}

.page-news .announce__figure {
  margin: 0;
}

/* 版本演进 */
.page-news .release {
  padding: clamp(30px, 5vw, 56px) 0;
  border-top: 1px solid var(--line);
}

.page-news .release__body {
  display: grid;
  gap: clamp(22px, 3.4vw, 44px);
  margin-top: clamp(20px, 3vw, 32px);
}

@media (min-width: 920px) {
  .page-news .release__body {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }
}

.page-news .release__steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .release__step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .release__step:last-child {
  border-bottom: 0;
}

.page-news .release__step h3 {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.5;
  color: var(--text);
}

.page-news .release__step p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .release__figure {
  margin: 0;
}

/* 专题 */
.page-news .topics {
  padding: clamp(30px, 5vw, 56px) 0;
  border-top: 1px solid var(--line);
}

.page-news .topics__grid {
  display: grid;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 32px);
}

@media (min-width: 760px) {
  .page-news .topics__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-news .topic {
  position: relative;
  overflow: hidden;
  padding: 20px 18px 18px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(18, 40, 61, .92), rgba(11, 27, 43, .52));
}

.page-news .topic::after {
  content: "";
  position: absolute;
  right: -34%;
  bottom: -52%;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(53, 230, 208, .18), transparent 70%);
  pointer-events: none;
}

.page-news .topic__idx {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-news .topic h3 {
  margin: 8px 0 0;
  font-size: 17px;
  line-height: 1.45;
  color: var(--text);
}

.page-news .topic p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
  position: relative;
  z-index: 1;
}

.page-news .topic__link {
  position: relative;
  z-index: 1;
  display: inline-block;
  margin-top: 14px;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-news .topic__link:hover {
  border-bottom-color: var(--orange);
}

.page-news .topics__figure {
  margin: 16px 0 0;
}

/* 更新节奏 */
.page-news .cadence {
  margin-top: clamp(12px, 2vw, 24px);
  padding: clamp(34px, 5vw, 64px) 0;
}

.page-news .cadence__inner {
  width: var(--shell);
  margin: 0 auto;
}

.page-news .cadence .eyebrow {
  color: var(--orange-deep);
}

.page-news .cadence .eyebrow::before {
  background: var(--orange-deep);
}

.page-news .cadence h2 {
  color: var(--paper-ink);
}

.page-news .cadence__grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(20px, 3vw, 32px);
}

@media (min-width: 760px) {
  .page-news .cadence__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

.page-news .cadence__item {
  min-width: 0;
  padding-top: 12px;
  border-top: 2px solid rgba(21, 36, 48, .2);
}

.page-news .cadence__num {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 2.6vw, 28px);
  line-height: 1.2;
  color: var(--paper-ink);
}

.page-news .cadence__item p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(21, 36, 48, .76);
}

.page-news .cadence__note {
  margin: clamp(20px, 3vw, 30px) 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(21, 36, 48, .66);
}

@media (prefers-reduced-motion: reduce) {
  .page-news .note,
  .page-news .note__link::after,
  .page-news .filter-chip,
  .page-news .version-rail__dot,
  .page-news .version-rail__link {
    transition: none;
  }

  .page-news #f-version:checked ~ .note-list .note[data-cat~="version"],
  .page-news #f-nav:checked ~ .note-list .note[data-cat~="nav"],
  .page-news #f-mobile:checked ~ .note-list .note[data-cat~="mobile"],
  .page-news #f-resource:checked ~ .note-list .note[data-cat~="resource"] {
    animation: none;
  }
}