.page-news {
  --news-cut: 18px;
  --news-cut-sm: 14px;
}

.page-news a:focus-visible,
.page-news button:focus-visible,
.page-news summary:focus-visible {
  outline: 2px solid var(--turf);
  outline-offset: 3px;
}

.page-news .section {
  padding-block: clamp(2rem, 5vw, 3.6rem);
}

.page-news .page-news__crumbs {
  padding-top: 1.1rem;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 42%;
  background: linear-gradient(94deg, var(--turf-deep), var(--turf));
  clip-path: polygon(0 100%, 0 40%, 100% 0, 100% 100%);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(114deg, rgba(255, 255, 255, .055) 0 1px, transparent 1px 16px);
  pointer-events: none;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1.6rem;
  padding-top: 1.8rem;
  padding-bottom: 2.6rem;
}

.page-news .news-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin: 0;
  font-size: var(--step-1);
  letter-spacing: .08em;
  color: var(--lime);
}

.page-news .news-hero__kicker .slash {
  color: var(--track);
  font-weight: 700;
}

.page-news .news-hero__title {
  margin: .6rem 0 0;
  font-size: var(--step-6);
  line-height: 1.04;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--on-ink);
}

.page-news .news-hero__lead {
  max-width: 34em;
  margin: 1rem 0 0;
  font-size: var(--step-3);
  line-height: 1.75;
  color: var(--on-ink);
}

.page-news .news-hero__board {
  position: relative;
  padding: 1.05rem 1.1rem 1.2rem;
  background: var(--ink-2);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--news-cut)), calc(100% - var(--news-cut)) 100%, 0 100%);
}

.page-news .news-hero__board-head {
  margin: 0 0 .75rem;
  font-size: var(--step-1);
  letter-spacing: .08em;
  color: var(--mute);
}

.page-news .news-hero__board-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .6rem;
}

.page-news .news-hero__board-item {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  padding-top: .6rem;
  border-top: 1px dashed var(--line);
}

.page-news .news-hero__board-item:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-news .news-hero__board-num {
  flex: 0 0 auto;
  min-width: 4.4rem;
  font-family: var(--font-num);
  font-size: var(--step-4);
  font-weight: 700;
  color: var(--lime);
}

.page-news .news-hero__board-txt {
  font-size: var(--step-2);
  line-height: 1.6;
  color: var(--on-ink);
}

/* ---------- 01 列表 ---------- */
.page-news .news-body {
  display: grid;
  gap: 1.4rem;
  margin-top: .4rem;
}

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

.page-news .news-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .5rem 1rem;
  padding-bottom: .7rem;
  border-bottom: 1px solid var(--line);
}

.page-news .news-meta__line {
  margin: 0;
  font-size: var(--step-1);
  color: var(--mute);
}

.page-news .news-meta__line .num {
  color: var(--turf);
  font-weight: 700;
}

.page-news .news-meta__link {
  font-size: var(--step-2);
  color: var(--turf);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-news .news-meta__link:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-news .note-list {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1fr);
}

.page-news .note {
  min-width: 0;
  padding: 1rem 1.05rem 1.1rem;
  background: var(--ink-2);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--news-cut-sm)), calc(100% - var(--news-cut-sm)) 100%, 0 100%);
  transition: transform .16s var(--ease), border-color .16s var(--ease), background-color .16s var(--ease);
}

.page-news .note:hover {
  transform: translateY(-2px);
  background: var(--ink-3);
  border-color: var(--turf-deep);
}

.page-news .note__thumb {
  margin: 0 0 .85rem;
  background: repeating-linear-gradient(45deg, rgba(34, 160, 90, .16) 0 6px, transparent 6px 12px);
}

.page-news .note__thumb img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--news-cut-sm) 100%, 0 calc(100% - var(--news-cut-sm)));
}

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

.page-news .note__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .6rem;
}

.page-news .note__time {
  font-family: var(--font-num);
  font-size: var(--step-1);
  color: var(--mute);
  white-space: nowrap;
}

.page-news .note__title {
  display: inline;
  margin: .6rem 0 .45rem;
  font-size: var(--step-4);
  line-height: 1.34;
  font-weight: 700;
  color: var(--on-ink);
  background-image: linear-gradient(var(--turf), var(--turf));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 2px;
  transition: background-size .18s var(--ease);
}

.page-news .note:hover .note__title {
  background-size: 100% 2px;
}

.page-news .note__sum {
  margin: .5rem 0 0;
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--mute);
}

.page-news .tag {
  flex: 0 0 auto;
}

.page-news .tag--round {
  background: var(--turf);
  color: var(--ink);
}

.page-news .tag--version {
  background: var(--track);
  color: var(--ink);
}

.page-news .tag--tips {
  background: var(--lime);
  color: var(--ink);
}

.page-news .tag--data {
  background: var(--ink-3);
  color: var(--on-ink);
  border: 1px solid var(--line);
}

/* 更早条目 */
.page-news .note-archive {
  margin-top: 1.1rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--turf-deep);
  background: var(--ink-2);
}

.page-news .note-archive__sum {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .8rem;
  padding: .85rem 1rem;
  cursor: pointer;
  font-size: var(--step-2);
  font-weight: 600;
  color: var(--on-ink);
  list-style: none;
}

.page-news .note-archive__sum::-webkit-details-marker {
  display: none;
}

.page-news .note-archive__sum .num {
  font-family: var(--font-num);
  color: var(--lime);
}

.page-news .note-archive__list {
  list-style: none;
  margin: 0;
  padding: 0 1rem 1rem;
  display: grid;
  gap: .75rem;
}

.page-news .note-archive__item {
  display: grid;
  gap: .3rem;
  padding-top: .75rem;
  border-top: 1px solid var(--line);
}

.page-news .note-archive__title {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.6;
  color: var(--on-ink);
}

.page-news .note-archive__time {
  font-family: var(--font-num);
  font-size: var(--step-1);
  color: var(--mute);
}

/* 侧栏 */
.page-news .news-rail {
  display: grid;
  gap: .9rem;
  align-content: start;
}

.page-news .rail-card {
  padding: .95rem 1rem 1.05rem;
  background: var(--ink-2);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--news-cut-sm)), calc(100% - var(--news-cut-sm)) 100%, 0 100%);
}

.page-news .rail-card__head {
  margin: 0 0 .7rem;
  font-size: var(--step-2);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--lime);
}

.page-news .rail-card__txt {
  margin: 0 0 .85rem;
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--mute);
}

.page-news .rail-card__link {
  display: inline-block;
  margin-top: .8rem;
  font-size: var(--step-2);
  color: var(--turf);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-news .rail-card__link:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-news .topic-stack {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-news .topic-stack__item {
  padding-left: .7rem;
  border-left: 2px solid var(--line);
  transition: border-color .16s var(--ease);
}

.page-news .topic-stack__item:hover {
  border-left-color: var(--turf);
}

.page-news .topic-stack__label {
  display: block;
  font-size: var(--step-2);
  font-weight: 600;
  color: var(--on-ink);
}

.page-news .topic-stack__sub {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height .22s var(--ease), opacity .22s var(--ease);
}

.page-news .topic-stack__sub li {
  font-size: var(--step-1);
  line-height: 1.65;
  color: var(--mute);
  padding-left: .8rem;
  position: relative;
}

.page-news .topic-stack__sub li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 6px;
  height: 1px;
  background: var(--track);
}

/* ---------- 02 四类栏目 ---------- */
.page-news .section--paper {
  background: var(--paper);
}

.page-news .section--paper .section__title {
  color: var(--text);
}

.page-news .section--paper .section__note {
  color: var(--ink-2);
}

.page-news .section--paper .section__num {
  color: var(--turf-deep);
}

.page-news .cat-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 1.3rem 0 1.1rem;
}

.page-news .cat-tab {
  appearance: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .5rem .95rem;
  font-family: inherit;
  font-size: var(--step-2);
  font-weight: 600;
  color: var(--ink-2);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: background-color .16s var(--ease), color .16s var(--ease), border-color .16s var(--ease);
}

.page-news .cat-tab:hover {
  color: var(--turf-deep);
  border-color: var(--turf-deep);
}

.page-news .cat-tab[aria-selected="true"] {
  background: var(--turf-deep);
  border-color: var(--turf-deep);
  color: var(--paper);
}

.page-news .cat-tab__num {
  font-family: var(--font-num);
  font-size: var(--step-1);
  opacity: .75;
}

.page-news .cat-panels {
  display: grid;
  gap: 1rem;
}

.page-news .cat-panel {
  padding: .15rem 0 .15rem 1rem;
  border-left: 3px solid var(--turf);
}

.page-news .cat-panel__lead {
  margin: 0;
  max-width: 44em;
  font-size: var(--step-3);
  line-height: 1.75;
  color: var(--text);
}

.page-news .cat-facts {
  display: grid;
  gap: .8rem;
  margin: 1rem 0 0;
}

.page-news .cat-facts__row {
  padding-top: .7rem;
  border-top: 1px solid rgba(44, 58, 87, .35);
}

.page-news .cat-facts dt {
  margin-bottom: .2rem;
  font-size: var(--step-1);
  letter-spacing: .08em;
  font-weight: 700;
  color: var(--turf-deep);
}

.page-news .cat-facts dd {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--text);
}

/* ---------- 03 专题 ---------- */
.page-news .topic-grid {
  display: grid;
  gap: 1.2rem;
  margin-top: 1.2rem;
}

.page-news .topic-figure {
  margin: 0;
}

.page-news .topic-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--news-cut)), calc(100% - var(--news-cut)) 100%, 0 100%);
}

.page-news .topic-figure__cap {
  margin-top: .6rem;
  font-size: var(--step-1);
  line-height: 1.6;
  color: var(--mute);
}

.page-news .topic-copy__title {
  margin: 0 0 .7rem;
  font-size: var(--step-5);
  line-height: 1.25;
  font-weight: 800;
  color: var(--on-ink);
}

.page-news .topic-copy__text {
  margin: 0 0 .9rem;
  font-size: var(--step-3);
  line-height: 1.75;
  color: var(--on-ink);
}

.page-news .topic-copy__link {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .topic-steps {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: .6rem;
}

.page-news .topic-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .7rem;
  align-items: baseline;
  padding-top: .6rem;
  border-top: 1px solid var(--line);
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--on-ink);
}

.page-news .topic-steps li:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-news .topic-steps .num {
  font-family: var(--font-num);
  font-weight: 700;
  color: var(--track);
}

.page-news .topic-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--line);
}

.page-news .topic-list__item {
  display: grid;
  gap: .3rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--line);
}

.page-news .topic-list__title {
  margin: 0;
  font-size: var(--step-3);
  line-height: 1.6;
  color: var(--on-ink);
}

.page-news .topic-list__time {
  font-family: var(--font-num);
  font-size: var(--step-1);
  color: var(--mute);
}

/* ---------- 04 版本记录 ---------- */
.page-news .record {
  margin-top: 1.2rem;
  padding: 1.15rem 1.15rem 1.3rem;
  background: var(--ink);
  color: var(--on-ink);
  border-top: 3px solid var(--track);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-news .record__ver {
  margin: .55rem 0 .2rem;
  font-family: var(--font-num);
  font-size: clamp(2.1rem, 7vw, 3.4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--lime);
}

.page-news .record__title {
  margin: 0;
  font-size: var(--step-4);
  line-height: 1.35;
  font-weight: 700;
  color: var(--on-ink);
}

.page-news .record__time {
  margin: .4rem 0 0;
  font-family: var(--font-num);
  font-size: var(--step-1);
  color: var(--mute);
}

.page-news .record__grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.1rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
}

.page-news .record__block h4 {
  margin: 0 0 .5rem;
  font-size: var(--step-2);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--turf);
}

.page-news .record__block ul {
  margin: 0;
  padding-left: 1.05rem;
  display: grid;
  gap: .4rem;
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--on-ink);
}

.page-news .record__block li::marker {
  color: var(--track);
}

.page-news .record__foot {
  margin: 1.2rem 0 0;
  padding-top: .9rem;
  border-top: 1px solid var(--line);
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--mute);
}

.page-news .record__foot a {
  color: var(--lime);
  text-underline-offset: 3px;
}

/* ---------- 05 更新节奏 ---------- */
.page-news .cadence-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.2rem;
}

.page-news .cadence-card {
  padding: 1rem 1.05rem 1.1rem;
  background: var(--ink-2);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--news-cut-sm)), calc(100% - var(--news-cut-sm)) 100%, 0 100%);
}

.page-news .cadence-card__num {
  display: block;
  font-family: var(--font-num);
  font-size: var(--step-5);
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
}

.page-news .cadence-card__label {
  display: block;
  margin-top: .5rem;
  font-size: var(--step-2);
  font-weight: 600;
  color: var(--on-ink);
}

.page-news .cadence-card__note {
  margin: .35rem 0 0;
  font-size: var(--step-1);
  line-height: 1.65;
  color: var(--mute);
}

.page-news .cadence-sub {
  margin-top: 1.4rem;
  padding: 1.15rem 1.1rem 1.3rem;
  background: var(--ink-2);
  border-left: 4px solid var(--turf);
}

.page-news .cadence-sub__title {
  margin: 0 0 .55rem;
  font-size: var(--step-4);
  line-height: 1.3;
  font-weight: 700;
  color: var(--on-ink);
}

.page-news .cadence-sub__text {
  margin: 0;
  max-width: 40em;
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--mute);
}

.page-news .cadence-sub__text a {
  color: var(--turf);
  text-underline-offset: 3px;
}

.page-news .cadence-sub__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1rem;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-news .note--wide {
    display: grid;
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 1.1rem;
    align-items: start;
  }

  .page-news .note--wide .note__thumb {
    margin: 0;
  }

  .page-news .note-archive__item {
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: baseline;
    gap: .8rem;
  }

  .page-news .note-archive__time {
    justify-self: end;
  }
}

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

  .page-news .cat-facts__row {
    border-top: 0;
    padding-top: 0;
    border-left: 1px solid rgba(44, 58, 87, .35);
    padding-left: .9rem;
  }

  .page-news .cat-facts__row:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .page-news .cadence-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .topic-list__item {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 1rem;
  }
}

@media (min-width: 820px) {
  .page-news .note-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.1rem;
  }

  .page-news .note--wide {
    grid-column: 1 / -1;
    grid-template-columns: 232px minmax(0, 1fr);
  }

  .page-news .record__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.4rem;
  }

  .page-news .record {
    padding: 1.4rem 1.5rem 1.5rem;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .85fr);
    align-items: end;
    gap: 2.4rem;
    padding-top: 2.6rem;
    padding-bottom: 3.4rem;
  }

  .page-news .news-hero::before {
    height: 46%;
  }

  .page-news .topic-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
    gap: 2rem;
  }
}

@media (min-width: 1024px) {
  .page-news .news-body {
    grid-template-columns: minmax(0, 1fr) 262px;
    gap: 2rem;
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: 1.5rem;
  }
}

@media (hover: hover) {
  .page-news .topic-stack__item:hover .topic-stack__sub,
  .page-news .topic-stack__item:focus-within .topic-stack__sub {
    max-height: 12rem;
    opacity: 1;
  }
}

@media (hover: none) {
  .page-news .topic-stack__sub {
    max-height: none;
    opacity: 1;
    margin-top: .3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .note,
  .page-news .note__title,
  .page-news .topic-stack__sub,
  .page-news .cat-tab {
    transition: none;
  }

  .page-news .note:hover {
    transform: none;
  }
}