.page-news {
  --news-line: var(--hair-soft);
  --news-index-w: 238px;
  --news-gap: clamp(22px, 3vw, 44px);
  color: var(--silver);
  padding-bottom: clamp(40px, 6vw, 84px);
}

.page-news a:focus-visible,
.page-news summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 6px;
}

.page-news .breadcrumb {
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

/* 首屏 */
.page-news .news-hero {
  display: grid;
  gap: clamp(22px, 3.2vw, 40px);
  padding: clamp(20px, 3.2vw, 44px);
  border: 1px solid var(--hair);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(130% 100% at 92% 0%, rgba(201, 168, 106, .18), transparent 58%),
    linear-gradient(155deg, var(--obsidian) 0%, var(--ink) 64%);
  overflow: hidden;
}

.page-news .news-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(32px, 7.2vw, 64px);
  line-height: 1.12;
  letter-spacing: .01em;
  color: var(--gold-light);
}

.page-news .news-hero__lead {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.9;
  color: var(--silver);
}

.page-news .news-stats {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--news-line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
}

.page-news .news-stat {
  display: grid;
  gap: 5px;
}

.page-news .news-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 4.4vw, 30px);
  letter-spacing: .02em;
  color: var(--gold);
}

.page-news .news-stat__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--silver);
}

.page-news .news-hero__figure {
  margin: 0;
  border: 1px solid var(--news-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

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

/* 主体：目录 + 内容 */
.page-news .news-body {
  margin-top: clamp(28px, 4vw, 54px);
  display: grid;
  gap: var(--news-gap);
}

.page-news .news-index__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-news .news-index__list {
  list-style: none;
  margin: 0;
  padding: 2px 0 8px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .news-index__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 15px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  color: var(--silver);
  text-decoration: none;
  white-space: nowrap;
  font-size: 14px;
  transition: color .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}

.page-news .news-index__link:hover {
  color: var(--gold-light);
  border-color: var(--hair);
  background: var(--veil);
}

.page-news .news-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}

.page-news .news-index__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--silver);
}

.page-news .news-index__note a {
  color: var(--gold-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-main {
  display: grid;
  gap: clamp(30px, 4vw, 52px);
  min-width: 0;
}

/* 章节 */
.page-news .news-section {
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
  padding-top: clamp(26px, 3.6vw, 44px);
  border-top: 1px solid var(--news-line);
}

.page-news .news-main > .news-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-news .news-section__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(23px, 4vw, 34px);
  line-height: 1.32;
  color: var(--gold-light);
}

.page-news .news-section__lead {
  margin: 10px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--silver);
}

/* 头条条目 */
.page-news .news-featured {
  display: grid;
  gap: 14px;
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--hair);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(36, 28, 24, .96), rgba(20, 20, 26, .92));
  box-shadow: 0 22px 48px -34px var(--shadow-gold);
}

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

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

.page-news .news-featured__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(22px, 3.6vw, 32px);
  line-height: 1.38;
  color: var(--gold-light);
}

.page-news .news-featured__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--silver);
  max-width: 62ch;
}

.page-news .news-featured__facts {
  margin: 4px 0 0;
  display: grid;
  gap: 12px;
}

.page-news .news-featured__facts > div {
  display: grid;
  gap: 3px;
  padding-left: 13px;
  border-left: 1px solid var(--hair);
}

.page-news .news-featured__facts dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-news .news-featured__facts dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--silver);
}

.page-news .news-featured .btn {
  justify-self: start;
  margin-top: 4px;
}

/* 状态胶囊 */
.page-news .news-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 11px;
  border: 1px solid var(--hair);
  border-radius: var(--radius-pill);
  background: var(--veil);
  color: var(--gold-light);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .04em;
}

.page-news .news-tag--notice {
  border-color: rgba(206, 70, 51, .45);
  background: rgba(206, 70, 51, .12);
  color: #F0C9C2;
}

.page-news .news-tag--ux {
  border-color: rgba(185, 192, 201, .34);
  background: rgba(185, 192, 201, .08);
  color: var(--silver);
}

/* 时间线条目 */
.page-news .news-list {
  display: grid;
  gap: 12px;
}

.page-news .news-item {
  position: relative;
  border: 1px solid var(--news-line);
  border-radius: var(--radius-md);
  background: var(--obsidian);
  transition: border-color .25s var(--ease), background .25s var(--ease);
}

.page-news .news-item:hover,
.page-news .news-item[open] {
  border-color: var(--hair);
  background: rgba(36, 28, 24, .7);
}

.page-news .news-item__sum {
  position: relative;
  display: grid;
  gap: 7px;
  padding: 16px 48px 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-item__sum::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--gold);
  transition: transform .25s var(--ease);
}

.page-news .news-item[open] .news-item__sum::after {
  transform: rotate(45deg);
}

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

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

.page-news .news-item__title {
  font-family: var(--font-head);
  font-size: 17px;
  line-height: 1.55;
  color: var(--gold-light);
}

.page-news .news-item__body {
  padding: 0 18px 18px;
}

.page-news .news-item__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--silver);
  max-width: 60ch;
}

/* 版本刻度 */
.page-news .news-scale {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .news-scale__line {
  stroke: rgba(201, 168, 106, .42);
  stroke-width: 1;
}

.page-news .news-scale__dot {
  fill: var(--ink);
  stroke: var(--gold);
  stroke-width: 1.5;
}

.page-news .news-scale__dot--now {
  fill: var(--gold);
  stroke: var(--gold-light);
}

.page-news .news-scale__label {
  font-family: var(--font-mono);
  font-size: 17px;
  fill: var(--silver);
  letter-spacing: .04em;
}

.page-news .news-scale__label--now {
  fill: var(--gold-light);
}

/* 图 */
.page-news .news-figure {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-news .news-figure figcaption {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .03em;
  line-height: 1.7;
  color: var(--silver);
}

.page-news .news-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--news-line);
}

/* 版本列表 */
.page-news .news-version-wrap {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-news .news-versions {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 3px;
}

.page-news .news-version {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
}

.page-news .news-version:nth-child(odd) {
  background: rgba(201, 168, 106, .055);
}

.page-news .news-version__code {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-news .news-version__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--silver);
}

/* 小屏兼容 */
.page-news .news-split {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-news .news-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-news .news-facts li {
  display: grid;
  gap: 6px;
  padding-left: 14px;
  border-left: 1px solid var(--hair);
}

.page-news .news-facts strong {
  font-size: 15px;
  font-weight: 600;
  color: var(--gold-light);
}

.page-news .news-facts span {
  font-size: 14px;
  line-height: 1.85;
  color: var(--silver);
}

/* 回访入口 */
.page-news .news-follow {
  display: grid;
  gap: 14px;
}

.page-news .news-follow__card {
  display: grid;
  gap: 6px;
  padding: 20px 22px;
  border: 1px solid var(--news-line);
  border-radius: var(--radius-lg);
  background: var(--obsidian);
  text-decoration: none;
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}

.page-news .news-follow__card:hover {
  transform: translateY(-2px);
  border-color: var(--hair);
  box-shadow: 0 20px 40px -30px var(--shadow-gold);
}

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

.page-news .news-follow__t {
  font-family: var(--font-head);
  font-size: 18px;
  line-height: 1.5;
  color: var(--gold-light);
}

.page-news .news-follow__d {
  font-size: 14px;
  line-height: 1.8;
  color: var(--silver);
}

.page-news .news-follow__note {
  margin: 4px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--news-line);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  letter-spacing: .02em;
  color: var(--gold-light);
  overflow-wrap: anywhere;
}

.page-news .news-top {
  margin: 8px 0 0;
  display: flex;
  justify-content: flex-end;
}

/* 小屏以上：时间线轴 */
@media (min-width: 640px) {
  .page-news .news-list {
    margin-left: 6px;
    padding-left: 22px;
    border-left: 1px solid var(--news-line);
  }

  .page-news .news-item::before {
    content: "";
    position: absolute;
    left: -27px;
    top: 23px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--gold);
    box-shadow: 0 0 0 3px rgba(201, 168, 106, .14);
  }

  .page-news .news-version {
    grid-template-columns: 86px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }

  .page-news .news-featured__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

/* 桌面：侧栏目录吸顶 + 非对称分栏 */
@media (min-width: 980px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: center;
  }

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

  .page-news .news-index {
    position: sticky;
    top: 24px;
    padding: 20px 16px;
    border: 1px solid var(--news-line);
    border-radius: var(--radius-lg);
    background: rgba(20, 20, 26, .68);
  }

  .page-news .news-index__list {
    flex-direction: column;
    overflow: visible;
    padding: 0;
  }

  .page-news .news-index__link {
    white-space: normal;
  }

  .page-news .news-version-wrap {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-news .news-split {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: center;
  }

  .page-news .news-follow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-news .news-featured__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}