.page-news .news-crumb {
  padding-top: 24px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 24px 0 56px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: -1px;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(58, 51, 80, .55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(58, 51, 80, .55) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(120% 90% at 68% 30%, #000 0%, transparent 72%);
  mask-image: radial-gradient(120% 90% at 68% 30%, #000 0%, transparent 72%);
  pointer-events: none;
}

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

.page-news .news-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-news .news-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(34px, 6.4vw, 68px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--frost);
}

.page-news .news-hero__text {
  margin: 20px 0 0;
  max-width: 60ch;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.75;
  color: var(--lilac);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

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

/* ---------- 图片框 ---------- */
.page-news .news-figure {
  margin: 0;
  border: 2px solid var(--line);
  background: var(--royal-deep);
  box-shadow: var(--hard-shadow);
}

.page-news .news-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .news-figure--hero {
  box-shadow: none;
}

.page-news .news-figure--hero img {
  aspect-ratio: 2 / 1;
}

.page-news .news-figure--week img {
  aspect-ratio: 3 / 2;
}

.page-news .news-figure--entry img {
  aspect-ratio: 5 / 3;
}

.page-news .news-figure--migrate img {
  aspect-ratio: 25 / 16;
}

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

/* ---------- 版本阶梯 ---------- */
.page-news .news-stair {
  padding: 20px;
  border: 1px solid var(--line);
  background: rgba(27, 12, 51, .55);
}

.page-news .news-stair__cap {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--lilac);
}

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

.page-news .news-stair__grid line {
  stroke: var(--line);
  stroke-width: 1;
}

.page-news .news-stair__line {
  fill: none;
  stroke: var(--gold);
  stroke-width: 2;
}

.page-news .news-stair__node {
  fill: var(--obsidian);
  stroke: var(--gold);
  stroke-width: 2;
}

.page-news .news-stair__node--hot {
  fill: var(--gold-hot);
  stroke: var(--gold-light);
}

.page-news .news-stair__label {
  fill: var(--lilac);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
}

.page-news .news-stair__label--hot {
  fill: var(--gold-light);
}

.page-news .news-stair__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-stair__link {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--lilac);
  text-decoration: none;
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-news .news-stair__link:hover,
.page-news .news-stair__link:focus-visible {
  border-color: var(--gold);
  color: var(--gold-light);
  background: rgba(184, 137, 43, .12);
}

/* ---------- 两栏主体 ---------- */
.page-news .news-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  padding-top: 40px;
  padding-bottom: 72px;
}

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

/* 章节索引 */
.page-news .news-rail__title {
  display: none;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--lilac);
}

.page-news .news-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-rail__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  font-family: var(--font-sans);
  font-size: 14px;
  white-space: nowrap;
  color: var(--lilac);
  text-decoration: none;
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-news .news-rail__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-news .news-rail__link:hover,
.page-news .news-rail__link:focus-visible {
  border-color: var(--gold);
  color: var(--frost);
}

.page-news .news-rail__link.is-active {
  border-color: var(--gold);
  color: var(--gold-light);
  background: rgba(184, 137, 43, .14);
}

/* ---------- 章节 ---------- */
.page-news .news-section {
  padding-bottom: 48px;
  margin-bottom: 48px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 150px;
}

.page-news .news-section:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.page-news .news-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding-bottom: 18px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-head__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-news .news-head__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.2;
  color: var(--frost);
}

.page-news .news-head__status {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--lilac);
}

/* ---------- 台账式条目 ---------- */
.page-news .news-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-news .news-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 20px 0 20px 16px;
  border-bottom: 1px solid var(--line);
  transition: background var(--t) var(--ease);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--line);
  transition: background var(--t) var(--ease), box-shadow var(--t) var(--ease);
}

.page-news .news-item:hover {
  background: rgba(42, 17, 72, .38);
}

.page-news .news-item:hover::before {
  background: var(--gold);
  box-shadow: 0 0 14px rgba(184, 137, 43, .7);
}

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

.page-news .news-item__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--lilac);
}

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

.page-news .news-item__title {
  margin: 0 0 6px;
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--frost);
}

.page-news .news-item__text {
  margin: 0;
  max-width: 62ch;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  color: var(--lilac);
}

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

.page-news .news-item__tick {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--line);
  transition: width var(--t) var(--ease), background var(--t) var(--ease);
}

.page-news .news-item__when {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  white-space: nowrap;
  color: var(--lilac);
}

.page-news .news-item:hover .news-item__tick {
  width: 42px;
  background: var(--gold);
}

.page-news .news-item:hover .news-item__when {
  color: var(--gold-light);
}

/* 分类标签 */
.page-news .news-tag {
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: .08em;
  white-space: nowrap;
  color: var(--lilac);
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-news .news-tag--version {
  border-color: var(--gold);
  color: var(--gold-light);
}

.page-news .news-tag--entry {
  border-color: var(--royal);
  color: var(--frost);
  background: rgba(75, 31, 134, .3);
}

.page-news .news-tag--tip {
  border-color: var(--jade);
  color: var(--jade);
}

.page-news .news-tag--migrate {
  border-color: var(--gold-hot);
  color: var(--gold-hot);
}

.page-news .news-tag--eco {
  border-color: var(--lilac);
  color: var(--frost);
}

.page-news .news-tag--notice {
  border-color: var(--line);
  color: var(--frost);
  background: rgba(58, 51, 80, .45);
}

.page-news .news-item:hover .news-tag {
  background: rgba(184, 137, 43, .16);
}

/* ---------- 版本块 ---------- */
.page-news .news-vers {
  display: grid;
  gap: 20px;
}

.page-news .news-ver {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  padding: 24px;
  border: 2px solid var(--line);
  border-left: 3px solid var(--gold);
  background: rgba(27, 12, 51, .55);
  scroll-margin-top: 150px;
  transition: border-color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-news .news-ver:hover {
  border-color: var(--gold);
  background: rgba(42, 17, 72, .62);
}

.page-news .news-ver__meta {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-news .news-ver__id {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--gold-light);
}

.page-news .news-ver__when {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--lilac);
}

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

.page-news .news-ver__title {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--frost);
}

.page-news .news-ver__text {
  margin: 0;
  max-width: 62ch;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  color: var(--lilac);
}

.page-news .news-ver__scope {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.7;
  color: var(--frost);
}

.page-news .news-ver__key {
  display: inline-block;
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}

/* ---------- 订阅 ---------- */
.page-news .news-sub {
  display: grid;
  gap: 28px;
}

.page-news .news-sub__lead {
  margin: 0 0 18px;
  max-width: 58ch;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--frost);
}

.page-news .news-sub__cats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-sub__text {
  margin: 0;
  max-width: 58ch;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  color: var(--lilac);
}

/* ---------- 收尾带 ---------- */
.page-news .news-tape {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 32px;
  padding: 22px 26px;
  border: 2px solid var(--line);
  border-left: 3px solid var(--gold);
  background: linear-gradient(90deg, rgba(42, 17, 72, .9), rgba(7, 6, 11, .92));
}

.page-news .news-tape__text {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--frost);
}

.page-news .news-tape__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .news-tape__link {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--line);
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--lilac);
  text-decoration: none;
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-news .news-tape__link:hover,
.page-news .news-tape__link:focus-visible {
  border-color: var(--gold);
  color: var(--gold-light);
  background: rgba(184, 137, 43, .12);
}

/* ---------- 窄屏保护 ---------- */
@media (max-width: 480px) {
  .page-news .news-hero__actions .ra-btn {
    width: 100%;
    text-align: center;
  }

  .page-news .news-tape {
    padding: 20px;
  }

  .page-news .news-tape__links {
    width: 100%;
  }

  .page-news .news-tape__link {
    flex: 1 1 auto;
    text-align: center;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 760px) {
  .page-news .news-head {
    grid-template-columns: 152px minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 20px;
  }

  .page-news .news-item {
    grid-template-columns: 132px minmax(0, 1fr) 96px;
    gap: 24px;
    align-items: start;
    padding: 22px 0 22px 20px;
  }

  .page-news .news-item__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .page-news .news-item__time {
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
  }

  .page-news .news-ver {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 28px;
    padding: 28px 32px;
  }

  .page-news .news-ver__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 64px;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-news .news-body {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 64px;
    padding-top: 64px;
    padding-bottom: 96px;
  }

  .page-news .news-rail {
    position: sticky;
    top: 148px;
    align-self: start;
  }

  .page-news .news-rail__title {
    display: block;
  }

  .page-news .news-rail__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .page-news .news-rail__link {
    padding: 8px 0 8px 14px;
    margin-left: -1px;
    border: 0;
    border-left: 2px solid transparent;
  }

  .page-news .news-rail__link:hover,
  .page-news .news-rail__link:focus-visible {
    border-left-color: var(--gold);
    background: transparent;
  }

  .page-news .news-rail__link.is-active {
    border-left-color: var(--gold);
    background: transparent;
  }

  .page-news .news-ver:nth-child(1) {
    margin-right: 48px;
  }

  .page-news .news-ver:nth-child(3) {
    margin-left: 48px;
  }

  .page-news .news-sub {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 48px;
    align-items: start;
  }

  .page-news .news-section {
    padding-bottom: 64px;
    margin-bottom: 64px;
  }
}