.page-news {
  display: block;
  padding-bottom: clamp(64px, 10vw, 120px);
  overflow-x: hidden;
}

/* ============ 首屏 ============ */
.page-news .news-hero {
  padding: clamp(26px, 5vw, 60px) 0 clamp(26px, 4vw, 44px);
  border-bottom: 1px solid var(--line-soft);
  max-width: 1080px;
}

.page-news .news-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(40px, 9vw, 86px);
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--bone);
}

.page-news .news-hero__lede {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .news-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(22px, 5vw, 64px);
  margin-top: clamp(26px, 4vw, 38px);
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-news .news-hero__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-news .news-hero__stats .stat__value {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 600;
  line-height: 1.1;
  color: var(--gold);
  letter-spacing: .01em;
}

.page-news .news-hero__stats .stat__unit {
  margin-left: 3px;
  font-size: 13px;
  font-weight: 500;
}

.page-news .news-hero__stats .stat__label {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--muted);
}

/* ============ 章节通用 ============ */
.page-news .section {
  margin-top: clamp(52px, 8.5vw, 100px);
}

.page-news .section__title {
  color: var(--bone);
}

/* ============ 01 本期更新清单 ============ */
.page-news .update-strip {
  list-style: none;
  margin: clamp(20px, 3.5vw, 32px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .update-strip__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: background-color .18s ease;
}

.page-news .update-strip__item:hover {
  background: rgba(232, 177, 90, .045);
}

.page-news .update-strip__col {
  flex: 0 0 auto;
  font-size: 12px;
}

.page-news .update-strip__title {
  flex: 1 1 220px;
  min-width: 0;
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--bone);
}

.page-news .update-strip__time {
  flex: 0 0 auto;
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--cyan);
}

/* ============ 02 四个常设栏目 ============ */
.page-news .col-media {
  margin: clamp(22px, 4vw, 36px) 0 0;
}

.page-news .col-grid {
  margin-top: clamp(20px, 3.4vw, 32px);
}

.page-news .col-card {
  padding-top: 22px;
}

.page-news .col-card__rule {
  display: block;
  width: 46px;
  height: 3px;
  margin-bottom: 16px;
  background: var(--gold);
}

.page-news .col-card--r .col-card__rule {
  background: var(--cyan);
}

.page-news .col-card--g .col-card__rule {
  background: var(--neon);
}

.page-news .col-card--p .col-card__rule {
  background: var(--amber);
}

.page-news .col-card .card__title {
  color: var(--bone);
  font-size: clamp(19px, 2vw, 22px);
}

.page-news .col-card .card__meta {
  margin-top: 14px;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--cyan);
}

/* ============ 03 近期专题 ============ */
.page-news .archive-media {
  margin: clamp(22px, 4vw, 40px) 0 clamp(22px, 3.4vw, 34px);
}

.page-news .filter-bar {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-news .filter-status {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .05em;
}

.page-news .topic-layout {
  display: grid;
  gap: clamp(30px, 4.5vw, 52px);
}

.page-news .topic-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  min-width: 0;
}

.page-news .topic-item {
  position: relative;
  padding: 22px 0 22px 18px;
  border-bottom: 1px solid var(--line-soft);
  transition: background-color .18s ease;
}

.page-news .topic-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 6px;
  background: var(--gold);
}

.page-news .topic-item--r::before {
  background: var(--cyan);
}

.page-news .topic-item--g::before {
  background: var(--neon);
}

.page-news .topic-item--p::before {
  background: var(--amber);
}

.page-news .topic-item:hover {
  background: rgba(232, 177, 90, .045);
}

.page-news .topic-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 16px;
}

.page-news .topic-item__col {
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-news .topic-item--r .topic-item__col {
  color: var(--cyan);
}

.page-news .topic-item--g .topic-item__col {
  color: var(--neon);
}

.page-news .topic-item--p .topic-item__col {
  color: var(--amber);
}

.page-news .topic-item__time {
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--cyan);
}

.page-news .topic-item__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17.5px, 2.1vw, 23px);
  line-height: 1.42;
  color: var(--bone);
}

.page-news .topic-item__text {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .topic-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  margin-top: 12px;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-news .topic-item__num {
  color: rgba(82, 199, 219, .82);
  letter-spacing: .1em;
}

/* 侧栏 */
.page-news .topic-aside {
  display: grid;
  gap: 26px;
  align-content: start;
  min-width: 0;
}

.page-news .aside-card {
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-news .aside-card__label {
  display: block;
  margin-bottom: 14px;
  font-size: 13px;
  letter-spacing: .07em;
  color: var(--gold);
}

.page-news .aside-media {
  margin: 0 0 14px;
}

.page-news .aside-media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .aside-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .link-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-news .link-list a {
  display: inline-block;
  padding-bottom: 2px;
  font-size: 14.5px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  transition: color .18s ease, border-color .18s ease;
}

.page-news .link-list a:hover,
.page-news .link-list a:focus-visible {
  color: var(--gold-lt);
  border-bottom-color: var(--gold);
}

/* ============ 04 更新日志 ============ */
.page-news .log-media {
  max-width: 700px;
  margin: clamp(22px, 3.6vw, 34px) 0 clamp(20px, 3vw, 30px);
}

.page-news .log-list {
  border-top: 1px solid var(--line);
}

.page-news .log-list .fold {
  border-bottom: 1px solid var(--line-soft);
}

.page-news .log-list .fold > summary {
  padding: 16px 0;
  font-family: var(--font-mono);
  font-size: 14.5px;
  letter-spacing: .03em;
  color: var(--bone);
  cursor: pointer;
}

.page-news .log-items {
  list-style: none;
  margin: 0;
  padding: 0 0 18px;
  display: grid;
  gap: 10px;
}

.page-news .log-items li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .log-note {
  margin: 20px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ============ 05 选题征集与投稿 ============ */
.page-news .contrib-grid {
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-news .contrib-card {
  padding-top: 22px;
}

.page-news .contrib-card .card__title {
  color: var(--bone);
  font-size: clamp(18px, 1.9vw, 21px);
}

.page-news .contrib-card__contact {
  margin: 14px 0 0;
  font-size: 13.5px;
  letter-spacing: .02em;
  color: var(--cyan);
  word-break: break-all;
}

/* ============ 断点增强 ============ */
@media (min-width: 720px) {
  .page-news .topic-item {
    padding-left: 22px;
  }
}

@media (min-width: 1080px) {
  .page-news .topic-layout {
    grid-template-columns: minmax(0, 1fr) 308px;
    align-items: start;
  }

  .page-news .news-hero__title {
    letter-spacing: -.035em;
  }
}

@media (max-width: 480px) {
  .page-news .update-strip__title {
    flex-basis: 100%;
    font-size: 15px;
  }

  .page-news .topic-item {
    padding-left: 15px;
  }

  .page-news .topic-item::before {
    width: 5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .topic-item,
  .page-news .update-strip__item,
  .page-news .link-list a {
    transition: none;
  }
}