.page-news {
  --news-rule: 2px solid var(--grape-soft);
  --news-rail-top: 128px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: 22px 0 0;
}

.page-news .news-hero__inner {
  display: grid;
  gap: 26px;
  padding-top: 18px;
}

.page-news .news-hero h1 {
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(34px, 7.4vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--grape-deep);
  margin: 10px 0 0;
}

.page-news .news-hero .lede {
  margin: 16px 0 0;
  max-width: 36em;
  color: var(--muted);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-news .news-hero__board {
  background: var(--white);
  border: var(--bd);
  box-shadow: var(--shadow);
  padding: 18px 18px 20px;
}

.page-news .news-hero__facts {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .news-hero__facts li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px dashed var(--grape-soft);
  padding-top: 10px;
  font-size: 14px;
  color: var(--muted);
}

.page-news .news-hero__facts b {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 24px;
  letter-spacing: 0.02em;
  color: var(--grape-deep);
}

.page-news .news-hero__figure {
  aspect-ratio: 3 / 2;
  margin: 32px 0 0;
}

@media (min-width: 980px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.85fr);
    align-items: end;
    gap: 48px;
    padding-top: 34px;
  }

  .page-news .news-hero__board {
    padding: 22px 22px 24px;
  }

  .page-news .news-hero__figure {
    aspect-ratio: 1400 / 620;
    margin-top: 40px;
  }
}

/* ---------- 四类内容 ---------- */
.page-news .news-cols {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.page-news .news-col {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--white);
  border: var(--bd);
  border-top-width: 8px;
  padding: 14px 16px 18px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-news .news-col:hover,
.page-news .news-col:focus-visible {
  transform: translate(2px, 2px);
  box-shadow: var(--shadow-hover);
}

.page-news .news-col--ver { border-top-color: var(--grape); }
.page-news .news-col--path { border-top-color: var(--green); }
.page-news .news-col--dev { border-top-color: var(--orange); }
.page-news .news-col--qa { border-top-color: var(--grape-soft); }

.page-news .news-col__count {
  display: inline-block;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-news .news-col__title {
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.35;
  margin: 8px 0 0;
  color: var(--ink);
}

.page-news .news-col__body {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 主体双栏 ---------- */
.page-news .news-body {
  display: grid;
  gap: 34px;
  margin-top: 26px;
}

.page-news .news-stream__note {
  margin: 20px 0 0;
  font-size: 14px;
  color: var(--muted);
}

/* ---------- 条目 ---------- */
.page-news .news-entry {
  position: relative;
  padding: 16px 0 18px 20px;
  border-bottom: var(--news-rule);
}

.page-news .news-entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 0;
  background: var(--grape);
  transition: width 0.22s var(--ease);
}

.page-news .news-entry:hover::before,
.page-news .news-entry:focus-within::before {
  width: 8px;
}

.page-news .news-entry:target::before {
  width: 8px;
  background: var(--orange);
}

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

.page-news .news-entry__num {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--grape);
}

.page-news .news-entry__time {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-news .news-entry__title {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.45;
  margin: 8px 0 0;
  color: var(--ink);
}

.page-news .news-entry__summary {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
  transition: max-height 0.28s var(--ease), opacity 0.28s var(--ease), margin-top 0.28s var(--ease);
}

.page-news .news-entry:hover .news-entry__summary,
.page-news .news-entry:focus-within .news-entry__summary {
  max-height: 14em;
  opacity: 1;
  margin-top: 8px;
}

.page-news .news-entry__figure {
  aspect-ratio: 4 / 3;
  max-width: 400px;
  margin: 14px 0 0;
}

@media (hover: none) {
  .page-news .news-entry__summary {
    max-height: none;
    opacity: 1;
    margin-top: 8px;
  }
}

/* ---------- 右侧节奏卡 ---------- */
.page-news .news-rail__card {
  background: var(--grape-deep);
  color: var(--cream);
  border: var(--bd);
  box-shadow: var(--shadow);
  padding: 20px 20px 22px;
}

.page-news .news-rail__eyebrow {
  color: var(--grape-soft);
}

.page-news .news-rail__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .news-rail__list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px dashed rgba(183, 157, 224, 0.5);
  padding-bottom: 10px;
}

.page-news .news-rail__k {
  font-size: 15px;
  color: var(--cream);
}

.page-news .news-rail__v {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--orange);
}

.page-news .news-rail__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--grape-soft);
}

.page-news .news-rail__btn {
  margin-top: 18px;
  width: 100%;
  justify-content: center;
}

@media (min-width: 1020px) {
  .page-news .news-body {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.95fr);
    gap: 52px;
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: var(--news-rail-top);
  }
}

/* ---------- 专题连载 ---------- */
.page-news .news-series__grid {
  display: grid;
  gap: 28px;
  margin-top: 26px;
}

.page-news .news-series__figure {
  aspect-ratio: 9 / 7;
  margin: 0;
}

.page-news .news-series__item {
  background: var(--white);
  border: var(--bd);
  border-left-width: 8px;
  border-left-color: var(--grape);
  box-shadow: var(--shadow-soft);
  padding: 16px 18px 18px;
}

.page-news .news-series__item + .news-series__item {
  margin-top: 16px;
}

.page-news .news-series__item--b { border-left-color: var(--green); }
.page-news .news-series__item--c { border-left-color: var(--orange); }

.page-news .news-series__badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  background: var(--grape);
  color: var(--white);
  padding: 3px 10px;
  margin: 0;
}

.page-news .news-series__item--b .news-series__badge { background: var(--green); color: var(--ink); }
.page-news .news-series__item--c .news-series__badge { background: var(--orange); color: var(--ink); }

.page-news .news-series__title {
  font-family: var(--serif);
  font-size: 21px;
  line-height: 1.4;
  margin: 12px 0 0;
  color: var(--ink);
}

.page-news .news-series__body {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .news-series__more {
  margin-top: 12px;
  border-top: 1px dashed var(--grape-soft);
  padding-top: 12px;
}

.page-news .news-series__more > summary {
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--grape-deep);
}

.page-news .news-series__more > summary::-webkit-details-marker {
  display: none;
}

.page-news .news-series__more > summary::before {
  content: "+";
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  background: var(--grape);
  color: var(--white);
  font-size: 15px;
  line-height: 1;
}

.page-news .news-series__more[open] > summary::before {
  content: "−";
}

.page-news .news-series__more > summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-news .news-series__eps {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-news .news-series__eps li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  padding-left: 12px;
  border-left: var(--news-rule);
}

.page-news .news-series__eps .mono {
  color: var(--grape-deep);
  margin-right: 6px;
}

@media (min-width: 900px) {
  .page-news .news-series__grid {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: 44px;
    align-items: start;
  }
}

/* ---------- 版本归档 ---------- */
.page-news .news-versions__lede {
  color: var(--cream);
  max-width: 44em;
}

.page-news .news-versions {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .news-version {
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(22px, 5vw, 30px);
  letter-spacing: 0.02em;
  background: var(--white);
  color: var(--grape-deep);
  border: var(--bd);
  box-shadow: var(--shadow);
  padding: 6px 18px;
}

.page-news .news-version--now {
  background: var(--orange);
  color: var(--ink);
}

.page-news .news-versions__notes {
  margin-top: 26px;
  display: grid;
  gap: 14px;
}

.page-news .news-versions__notes p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cream);
  border-left: 4px solid var(--orange);
  padding-left: 14px;
}

@media (min-width: 860px) {
  .page-news .news-versions__notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
  }
}

/* ---------- 阅读时长 ---------- */
.page-news .news-cadence {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.page-news .news-cadence__item {
  background: var(--white);
  border: var(--bd);
  box-shadow: var(--shadow-soft);
  padding: 18px 18px 20px;
}

.page-news .news-cadence__k {
  margin: 0;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-news .news-cadence__v {
  margin: 8px 0 0;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 28px;
  letter-spacing: 0.02em;
  color: var(--grape);
}

.page-news .news-cadence__body {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .news-cadence__sync {
  margin: 24px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
  border-left: 8px solid var(--green);
  padding: 10px 0 10px 16px;
  background: var(--green-soft);
}

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

/* ---------- 窄屏保护 ---------- */
@media (max-width: 420px) {
  .page-news .news-entry {
    padding-left: 16px;
  }

  .page-news .news-entry__time {
    margin-left: 0;
    width: 100%;
  }

  .page-news .news-series__item {
    padding: 14px 14px 16px;
  }
}
</main>