.page-news {
  --news-rule: 1px solid var(--vt-grid);
  --news-gap: clamp(64px, 9vw, 112px);
  background: var(--vt-base);
  color: var(--vt-text);
  font-family: var(--vt-font-body);
  padding-bottom: clamp(72px, 10vw, 128px);
}

/* ---------- 面包屑 ---------- */
.page-news .news-crumbwrap {
  padding-top: clamp(20px, 3vw, 34px);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: clamp(28px, 5vw, 56px) 0 0;
}

.page-news .news-hero__kicker {
  margin: 0 0 18px;
  font-family: var(--vt-font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--vt-confirmed);
}

.page-news .news-hero__title {
  margin: 0 0 22px;
  font-family: var(--vt-font-display);
  font-size: clamp(32px, 6.4vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  max-width: 16em;
}

.page-news .news-hero__lede {
  margin: 0;
  max-width: var(--vt-prose);
  font-size: 16px;
  line-height: 1.8;
  color: var(--vt-muted);
}

.page-news .news-statusbar {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(30px, 5vw, 52px) 0 0;
  background: var(--vt-grid);
  border: 1px solid var(--vt-grid);
}

.page-news .news-statusbar__item {
  background: var(--vt-raised);
  padding: 18px 16px 20px;
  min-width: 0;
}

.page-news .news-statusbar dt {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--vt-muted);
}

.page-news .news-statusbar__val {
  margin: 0;
  font-size: clamp(20px, 3vw, 27px);
  line-height: 1.15;
  font-family: var(--vt-font-mono);
  color: var(--vt-text);
  word-break: break-word;
}

/* ---------- 章节骨架 ---------- */
.page-news .news-sec {
  margin-top: var(--news-gap);
  border-top: var(--news-rule);
  padding-top: clamp(36px, 5.5vw, 64px);
}

.page-news .news-sec__head {
  margin-bottom: clamp(32px, 5vw, 56px);
}

.page-news .news-sec__num {
  margin: 0 0 14px;
  font-family: var(--vt-font-mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--vt-confirmed);
}

.page-news .news-sec__title {
  margin: 0 0 16px;
  font-family: var(--vt-font-display);
  font-size: clamp(23px, 3.4vw, 35px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  max-width: 24em;
}

.page-news .news-sec__lede {
  margin: 0;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--vt-muted);
}

/* ---------- 01 条目列表 ---------- */
.page-news .news-log {
  display: grid;
  gap: 40px;
}

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

.page-news .news-entry {
  position: relative;
  display: grid;
  gap: 12px;
  padding: 22px 0 22px 16px;
  border-bottom: var(--news-rule);
}

.page-news .news-entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 2px;
  background: transparent;
  transition: background 0.25s ease;
}

.page-news .news-entry:hover::before,
.page-news .news-entry:focus-within::before {
  background: var(--vt-confirmed);
}

.page-news .news-entry__left {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-width: 0;
}

.page-news .news-entry__ver {
  font-family: var(--vt-font-mono);
  font-size: clamp(20px, 5vw, 24px);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--vt-confirmed);
}

.page-news .news-entry--archived .news-entry__ver {
  color: var(--vt-muted);
}

.page-news .news-entry__tag {
  font-family: var(--vt-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border: 1px solid var(--vt-strong);
  color: var(--vt-muted);
  white-space: nowrap;
}

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

.page-news .news-entry__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 8px;
  font-family: var(--vt-font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--vt-muted);
}

.page-news .news-entry__sum {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
}

.page-news .news-entry--archived .news-entry__sum {
  color: #b9c5d4;
}

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

/* ---------- 02 时间轴 ---------- */
.page-news .news-timeline {
  display: grid;
  gap: 48px;
}

.page-news .news-nodes {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-news .news-nodes::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 22px;
  bottom: 22px;
  width: 1px;
  background: linear-gradient(180deg, var(--vt-strong), var(--vt-grid) 72%, transparent);
}

.page-news .news-node {
  position: relative;
  padding-left: 36px;
  border-bottom: var(--news-rule);
}

.page-news .news-node__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 16px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  position: relative;
}

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

.page-news .news-node__head::before {
  content: "";
  position: absolute;
  left: -35px;
  top: 21px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--vt-base);
  border: 1.5px solid var(--vt-strong);
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-news .news-node__head::after {
  content: "+";
  margin-left: auto;
  font-family: var(--vt-font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--vt-muted);
}

.page-news .news-node[open] > .news-node__head::before {
  background: var(--vt-confirmed);
  border-color: var(--vt-confirmed);
  box-shadow: 0 0 0 4px rgba(59, 224, 210, 0.14);
}

.page-news .news-node[open] > .news-node__head::after {
  content: "–";
  color: var(--vt-confirmed);
}

.page-news .news-node__ver {
  font-size: clamp(17px, 3vw, 21px);
  line-height: 1;
  color: var(--vt-text);
}

.page-news .news-node__when {
  font-family: var(--vt-font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--vt-muted);
}

.page-news .news-node__body {
  padding: 2px 0 22px;
  max-width: 46em;
}

.page-news .news-node__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--vt-muted);
}

/* ---------- 03 标签 ---------- */
.page-news .news-taglist {
  margin: 0;
  display: grid;
}

.page-news .news-taglist__row {
  display: grid;
  gap: 10px;
  padding: 20px 0;
  border-bottom: var(--news-rule);
}

.page-news .news-taglist__row:first-child {
  border-top: var(--news-rule);
}

.page-news .news-tag {
  justify-self: start;
  display: inline-block;
  background: var(--vt-paper);
  color: var(--vt-paper-ink);
  border: 1px solid var(--vt-strong);
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.45);
  padding: 5px 11px;
  font-size: 13px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-news .news-taglist__desc {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--vt-muted);
}

/* ---------- 04 升级注意事项 ---------- */
.page-news .news-checks {
  list-style: none;
  margin: 0 0 clamp(36px, 5vw, 56px);
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--vt-grid);
  border: 1px solid var(--vt-grid);
}

.page-news .news-check {
  background: var(--vt-raised);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 20px 18px;
  align-items: start;
}

.page-news .news-check__num {
  font-size: 14px;
  line-height: 1.5;
  color: var(--vt-confirmed);
  letter-spacing: 0.08em;
}

.page-news .news-check__title {
  margin: 0 0 8px;
  font-family: var(--vt-font-display);
  font-size: 18px;
  letter-spacing: -0.01em;
}

.page-news .news-check__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--vt-muted);
  max-width: 40em;
}

.page-news .news-matrix {
  margin: 0 0 clamp(36px, 5vw, 56px);
}

.page-news .news-stoplist {
  border-left: 2px solid var(--vt-pending);
  padding-left: 18px;
}

.page-news .news-stoplist__title {
  margin: 0 0 14px;
  font-family: var(--vt-font-display);
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--vt-pending);
}

.page-news .news-stoplist__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-news .news-stoplist__list li {
  font-size: 15px;
  line-height: 1.78;
  color: var(--vt-muted);
  padding-left: 16px;
  position: relative;
}

.page-news .news-stoplist__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 1px;
  background: var(--vt-pending-dim);
}

/* ---------- 05 归档 ---------- */
.page-news .news-archive {
  display: grid;
  gap: 40px;
}

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

.page-news .news-archive__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 26px;
}

.page-news .news-archive__item {
  margin: 0 0 8px;
  font-family: var(--vt-font-display);
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--vt-text);
  padding-bottom: 6px;
  border-bottom: 1px solid var(--vt-grid);
}

.page-news .news-archive__list li p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--vt-muted);
  max-width: 44em;
}

/* ---------- 尾部链接 ---------- */
.page-news .news-links {
  margin-top: var(--news-gap);
  border-top: var(--news-rule);
  padding-top: clamp(28px, 4vw, 44px);
}

.page-news .news-links__lead {
  margin: 0 0 16px;
  font-family: var(--vt-font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--vt-muted);
}

.page-news .news-links__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--vt-grid);
  border: 1px solid var(--vt-grid);
}

.page-news .news-links__item {
  display: block;
  background: var(--vt-base);
  padding: 16px 18px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--vt-text);
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-news .news-links__item:hover,
.page-news .news-links__item:focus-visible {
  background: var(--vt-raised);
  color: var(--vt-confirmed);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .news-statusbar {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-entry {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 28px;
    padding: 26px 0 26px 22px;
    align-items: start;
  }

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

  .page-news .news-entry__ver {
    font-size: 26px;
  }

  .page-news .news-taglist__row {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
    padding: 24px 0;
  }

  .page-news .news-check {
    padding: 24px 22px;
    gap: 20px;
  }
}

@media (min-width: 1000px) {
  .page-news .news-log {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 48px;
    align-items: start;
  }

  .page-news .news-log__aside {
    position: sticky;
    top: 96px;
  }

  .page-news .news-timeline {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 56px;
    align-items: start;
  }

  .page-news .news-timeline__figure {
    position: sticky;
    top: 96px;
    margin: 0;
  }

  .page-news .news-archive {
    grid-template-columns: 360px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

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

@media (min-width: 1280px) {
  .page-news .news-entry {
    grid-template-columns: 196px minmax(0, 1fr);
  }

  .page-news .news-entry__ver {
    font-size: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-entry::before,
  .page-news .news-node__head::before,
  .page-news .news-links__item {
    transition: none;
  }
}