.page-news {
  --news-rail: clamp(88px, 14vw, 190px);
  --news-body-max: 68ch;
  background: var(--night);
  color: var(--cream);
  font-family: var(--font-display);
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: clip;
}

.page-news > .breadcrumb {
  padding-top: clamp(14px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  padding-top: clamp(18px, 3vw, 36px);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    102deg,
    transparent 45.6%,
    var(--line-blue) 45.75%,
    transparent 46.1%
  );
  pointer-events: none;
}

.page-news .news-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  padding-bottom: clamp(28px, 4vw, 52px);
  border-bottom: 1px solid var(--line-strong);
}

.page-news .news-hero__title {
  margin: 10px 0 0;
  font-size: clamp(46px, 13vw, 128px);
  line-height: 0.92;
  letter-spacing: -0.03em;
  font-weight: 700;
  color: var(--cream);
}

.page-news .news-hero__intro {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: var(--news-body-max);
  font-size: 16px;
  line-height: 1.65;
  color: var(--stone);
}

.page-news .news-hero__note {
  margin: 14px 0 0;
  max-width: var(--news-body-max);
  color: var(--moss);
  border-left: 1px solid var(--line-blue);
  padding-left: 12px;
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--line-strong);
}

.page-news .news-hero__stats > div {
  padding: 12px 14px 14px 0;
  border-bottom: 1px solid var(--line-moss);
}

.page-news .news-hero__stats dt {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.1em;
  color: var(--stone);
  margin-bottom: 8px;
}

.page-news .news-hero__stats dd {
  margin: 0;
  font-size: clamp(30px, 4.6vw, 42px);
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--lamp);
}

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

/* ---------- 分类带 ---------- */

.page-news .news-filter__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: clamp(16px, 2.4vw, 26px);
}

.page-news .news-filter__chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border: 1px solid var(--line-moss);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--stone);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-news .news-filter__chip:hover,
.page-news .news-filter__chip:focus-visible {
  color: var(--cream);
  border-color: var(--line-strong);
}

.page-news .news-filter__chip.is-active {
  color: var(--night);
  background: var(--lamp);
  border-color: var(--lamp);
  font-weight: 500;
}

/* ---------- 轮次档案列表 ---------- */

.page-news .news-list {
  list-style: none;
  margin: clamp(20px, 3vw, 34px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.page-news .news-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: clamp(20px, 3vw, 32px) 0;
  border-bottom: 1px solid var(--line-moss);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--blue);
  opacity: 0.26;
  transition: opacity var(--dur) var(--ease);
}

.page-news .news-item:hover::before,
.page-news .news-item:focus-within::before {
  opacity: 1;
}

.page-news .news-item__index {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-news .news-item__round {
  font-family: var(--font-mono);
  font-size: clamp(42px, 10vw, 72px);
  line-height: 0.84;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--turf);
  transition: color var(--dur) var(--ease);
}

.page-news .news-item:hover .news-item__round,
.page-news .news-item:focus-within .news-item__round {
  color: var(--lamp);
}

.page-news .news-item__round-label {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--stone);
}

.page-news .news-item__meta {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--moss);
}

.page-news .news-item__title {
  margin: 0 0 8px;
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-news .news-item__desc {
  margin: 0;
  max-width: var(--news-body-max);
  font-size: 15px;
  line-height: 1.65;
  color: var(--stone);
}

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

.page-news .tag {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid currentColor;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.16em;
}

.page-news .tag--done {
  color: var(--moss);
}

.page-news .tag--review {
  color: var(--blue);
}

.page-news .tag--version {
  color: var(--clay);
}

.page-news .news-item__more {
  width: 100%;
  max-width: 260px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
}

.page-news .news-item__more summary {
  cursor: pointer;
  list-style: none;
  padding: 5px 0;
  letter-spacing: 0.08em;
  color: var(--stone);
  border-bottom: 1px dashed var(--line-moss);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-news .news-item__more summary:hover,
.page-news .news-item__more[open] summary {
  color: var(--lamp);
  border-bottom-color: var(--line-strong);
}

.page-news .news-item__more ul {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-news .news-item__more li {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  color: var(--stone);
}

.page-news .news-item__more li b {
  font-weight: 500;
  color: var(--cream);
}

.page-news .news-backtop {
  margin: clamp(20px, 3vw, 30px) 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-news .news-backtop a {
  color: var(--stone);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--line-blue);
  transition: color var(--dur) var(--ease);
}

.page-news .news-backtop a:hover {
  color: var(--lamp);
}

/* ---------- 连载专题 ---------- */

.page-news .series-rail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: clamp(20px, 3vw, 34px);
  background: var(--line-moss);
  border: 1px solid var(--line-moss);
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.6vw, 32px);
  background: var(--night);
}

.page-news .series-card__media {
  margin: 0 0 4px;
}

.page-news .series-card__meta {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--moss);
}

.page-news .series-card__title {
  margin: 0;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.34;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-news .series-card p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.68;
  color: var(--stone);
}

/* ---------- 归档侧记 ---------- */

.page-news .notes {
  display: grid;
  gap: clamp(30px, 4vw, 56px);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-news .note-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 32px);
  align-items: center;
}

.page-news .note-row__media {
  margin: 0;
}

.page-news .note-row__body h3 {
  margin: 0 0 12px;
  font-size: clamp(19px, 2.1vw, 24px);
  line-height: 1.34;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-news .note-row__body p {
  margin: 0 0 12px;
  max-width: var(--news-body-max);
  font-size: 15px;
  line-height: 1.7;
  color: var(--stone);
}

.page-news .note-row__body p:last-child {
  margin-bottom: 0;
  color: var(--moss);
}

/* ---------- 更新节奏 ---------- */

.page-news .rhythm__steps {
  list-style: none;
  margin: clamp(20px, 3vw, 34px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  counter-reset: rhythm;
}

.page-news .rhythm__steps li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-moss);
}

.page-news .rhythm__mark {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--lamp);
}

.page-news .rhythm__steps p {
  margin: 0;
  max-width: var(--news-body-max);
  font-size: 15px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 回溯入口 ---------- */

.page-news .recall__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 36px);
  margin-top: clamp(18px, 2.6vw, 30px);
}

.page-news .recall__body p {
  margin: 0 0 14px;
  max-width: var(--news-body-max);
  font-size: 15px;
  line-height: 1.72;
  color: var(--stone);
}

.page-news .recall__body p:last-child {
  margin-bottom: 0;
  color: var(--moss);
}

.page-news .recall__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

/* ---------- 桌面栅格 ---------- */

@media (min-width: 860px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: var(--grid);
  }

  .page-news .news-hero__stats {
    align-content: start;
  }

  .page-news .news-item {
    grid-template-columns: var(--news-rail) minmax(0, 1fr) minmax(190px, 250px);
    gap: clamp(20px, 3vw, 40px);
    align-items: start;
    padding-left: clamp(18px, 2vw, 30px);
  }

  .page-news .news-item::before {
    left: 0;
  }

  .page-news .news-item__side {
    align-items: flex-end;
    text-align: right;
  }

  .page-news .news-item__more li {
    text-align: left;
  }

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

  .page-news .note-row {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-news .note-row--flip {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-news .note-row--flip .note-row__media {
    order: 2;
  }

  .page-news .recall__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: var(--grid);
  }

  .page-news .recall__links {
    flex-direction: column;
    align-items: stretch;
  }

  .page-news .recall__links .btn {
    width: 100%;
    text-align: center;
  }
}

@media (min-width: 700px) {
  .page-news .rhythm__steps li {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 32px;
    align-items: baseline;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-filter__chip,
  .page-news .news-item::before,
  .page-news .news-item__round,
  .page-news .news-item__more summary,
  .page-news .news-backtop a {
    transition-duration: 0.01ms;
  }
}