.page-news {
  --news-gap: 18px;
  --news-ease: var(--ease);
  padding-bottom: clamp(64px, 9vw, 112px);
}

.page-news .figure__media {
  overflow: hidden;
}

.page-news .figure__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  padding-top: clamp(24px, 4vw, 44px);
}

.page-news .news-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 5.4vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--frost);
  margin: 14px 0 0;
  max-width: 15ch;
}

.page-news .news-hero__lede {
  max-width: 60ch;
  margin: 22px 0 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mist);
  align-items: baseline;
}

.page-news .news-hero__meta b {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 24px;
  color: var(--amber);
  margin-right: 6px;
  letter-spacing: -0.01em;
}

.page-news .news-hero__figure {
  margin: clamp(32px, 5vw, 52px) 0 0;
}

.page-news .figure__caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 章节间距 ---------- */

.page-news .section {
  padding-top: clamp(60px, 9vw, 112px);
}

.page-news .section__sub {
  max-width: 62ch;
}

/* ---------- 系列导航 ---------- */

.page-news .series-grid {
  margin-top: clamp(26px, 4vw, 40px);
  gap: var(--news-gap);
}

.page-news .series-grid > * {
  min-width: 0;
}

.page-news .series-grid > figure {
  margin: 0;
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-news .series-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-news .series-card__name {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lake);
}

.page-news .series-card__title {
  font-family: var(--font-display);
  font-size: clamp(19px, 2vw, 24px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--frost);
  margin: 0;
}

.page-news .series-card__text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
  margin: 0;
}

.page-news .series-card__count {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}

.page-news .col-8 .series-card__text {
  max-width: 56ch;
  font-size: 16px;
}

/* ---------- 变更说明对照 ---------- */

.page-news .diff-figure {
  margin: clamp(26px, 4vw, 40px) 0 0;
}

.page-news .diff-figure__media {
  aspect-ratio: 4 / 3;
}

.page-news .diff {
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 4vw, 36px);
}

.page-news .diff__row {
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(16, 48, 63, 0.5);
}

.page-news .diff__top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.page-news .diff__no {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: -0.02em;
  flex: none;
}

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

.page-news .diff__pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.page-news .diff__side {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(8, 26, 38, 0.72);
}

.page-news .diff__side--new {
  border-color: rgba(62, 213, 152, 0.34);
  background: rgba(62, 213, 152, 0.07);
}

.page-news .diff__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
  margin-bottom: 8px;
}

.page-news .diff__side--new .diff__label {
  color: var(--green);
}

.page-news .diff__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--frost);
}

.page-news .diff__side--old .diff__text {
  color: #b6c6cf;
}

.page-news .diff__more {
  margin-top: 12px;
}

.page-news .diff__more summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lake);
  list-style: none;
}

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

.page-news .diff__more summary::before {
  content: "+";
  display: inline-block;
  width: 14px;
  color: var(--amber);
}

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

.page-news .diff__more p {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
  border-left: 2px solid var(--line);
  padding-left: 14px;
}

/* ---------- 期次刻度 ---------- */

.page-news .issue-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: clamp(28px, 4vw, 42px) 0 0;
  padding: 0;
  list-style: none;
}

.page-news .issue-track::before {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  top: 5px;
  height: 1px;
  background: var(--line);
}

.page-news .issue-track__item {
  position: relative;
  padding: 24px 0 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.page-news .issue-track__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--lake);
  box-shadow: 0 0 0 4px rgba(47, 182, 196, 0.14);
}

.page-news .issue-track__item--now::before {
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(62, 213, 152, 0.18);
  animation: news-pulse 8s ease-in-out infinite;
}

@keyframes news-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(62, 213, 152, 0.18); }
  50% { box-shadow: 0 0 0 9px rgba(62, 213, 152, 0.06); }
}

.page-news .issue-track__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--frost);
}

.page-news .issue-track__when {
  font-size: 12px;
  color: var(--mist);
}

.page-news .issue-track__jump {
  margin: 22px 0 0;
}

/* ---------- 条目列表 ---------- */

.page-news .filter-bar {
  margin: clamp(24px, 4vw, 34px) 0 0;
}

.page-news .filter-count {
  font-family: var(--font-mono);
  font-size: 12px;
  margin-left: 4px;
  opacity: 0.78;
}

.page-news .group-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: clamp(34px, 5vw, 52px) 0 0;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 500;
  color: var(--frost);
  letter-spacing: 0.01em;
}

.page-news .group-head__bar {
  width: 3px;
  height: 18px;
  border-radius: 2px;
  background: var(--lake);
  flex: none;
}

.page-news .entry-list {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.page-news .entry {
  display: grid;
  grid-template-columns: 92px 100px minmax(0, 1fr) auto;
  grid-template-areas: "issue col .page-news status";
  align-items: baseline;
  gap: 6px 22px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(16, 48, 63, 0.42);
  transition: border-color 0.22s var(--news-ease), background-color 0.22s var(--news-ease);
}

.page-news .entry:hover,
.page-news .entry:focus-within {
  border-color: rgba(47, 182, 196, 0.45);
  background: rgba(16, 48, 63, 0.85);
}

.page-news .entry__issue {
  grid-area: issue;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--lake);
}

.page-news .entry__col {
  grid-area: col;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}

.page-news .entry__body {
  grid-area: body;
  min-width: 0;
}

.page-news .entry__title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--frost);
}

.page-news .entry__title a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--news-ease), color 0.2s var(--news-ease);
}

.page-news .entry__title a:hover {
  color: var(--lake);
  border-bottom-color: rgba(47, 182, 196, 0.6);
}

.page-news .entry__sum {
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
  transition: color 0.22s var(--news-ease);
}

.page-news .entry:hover .entry__sum,
.page-news .entry:focus-within .entry__sum {
  color: rgba(232, 241, 244, 0.82);
}

.page-news .entry__status {
  grid-area: status;
  align-self: center;
  white-space: nowrap;
}

/* ---------- 更新节奏 ---------- */

.page-news .rhythm-grid {
  margin-top: clamp(26px, 4vw, 40px);
  gap: var(--news-gap);
  align-items: start;
}

.page-news .rhythm-figure {
  margin: 0;
}

.page-news .rhythm-figure__media {
  aspect-ratio: 7 / 4;
}

.page-news .rhythm-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .rhythm-item {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  gap: 20px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-news .rhythm-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .rhythm-item__cycle {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
  letter-spacing: 0.02em;
}

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

.page-news .rhythm-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--frost);
  line-height: 1.5;
}

.page-news .rhythm-item__body p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 下一步 ---------- */

.page-news .next-card {
  margin-top: clamp(26px, 4vw, 40px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 26px 40px;
  align-items: center;
}

.page-news .next-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 800;
  line-height: 1.4;
  color: var(--frost);
}

.page-news .next-card__text p {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .next-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */

@media (max-width: 1024px) {
  .page-news .entry {
    grid-template-columns: 84px minmax(0, 1fr) auto;
    grid-template-areas:
      "issue .page-news status"
      "col .page-news status";
    align-items: start;
    gap: 4px 20px;
  }

  .page-news .entry__col {
    padding-top: 2px;
  }

  .page-news .entry__status {
    align-self: start;
  }

  .page-news .next-card {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 760px) {
  .page-news .news-hero__meta {
    gap: 10px 22px;
  }

  .page-news .news-hero__meta b {
    font-size: 20px;
  }

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

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

  .page-news .issue-track::before {
    display: none;
  }

  .page-news .entry {
    grid-template-columns: auto minmax(0, 1fr) auto;
    grid-template-areas:
      "issue col status"
      "body .page-news body";
    align-items: center;
    gap: 8px 12px;
    padding: 16px 16px;
  }

  .page-news .entry__body {
    margin-top: 4px;
  }

  .page-news .entry__status {
    align-self: center;
  }

  .page-news .rhythm-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .page-news .next-card {
    padding: 22px 20px;
  }
}

@media (max-width: 480px) {
  .page-news .issue-track {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-news .entry__issue,
  .page-news .entry__col {
    font-size: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .issue-track__item--now::before {
    animation: none;
  }

  .page-news .entry {
    transition: none;
  }
}
</parameter>