.page-news {
  --page-max: 1200px;
  --page-gutter: 20px;
  --masthead-line: 8px;
  background:
    linear-gradient(180deg, rgba(192, 57, 43, .06) 0%, transparent 300px),
    var(--c-bg);
  color: var(--c-ink);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
}

.page-news .container {
  width: min(var(--page-max), 100% - var(--page-gutter) * 2);
  margin-inline: auto;
}

.page-news .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 28px 0 8px;
  font-size: .9rem;
  color: var(--c-gray);
}

.page-news .breadcrumbs a {
  color: var(--c-blue);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease);
}

.page-news .breadcrumbs a:hover {
  border-color: var(--c-blue);
}

.page-news .breadcrumbs__sep {
  color: var(--c-gray);
}

.page-news .breadcrumbs__current {
  color: var(--c-ink);
  font-weight: 700;
}

/* ---------- 封面头 ---------- */
.page-news .page-masthead {
  position: relative;
  display: grid;
  gap: 24px;
  padding: 40px 0 0;
}

.page-news .masthead-kicker {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: .82rem;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--c-red);
  margin-bottom: 10px;
}

.page-news .page-masthead__title {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(2rem, 6vw, 3.4rem);
  line-height: 1.08;
  margin: 0 0 16px;
  max-width: 14em;
  text-wrap: balance;
}

.page-news .masthead-desc {
  max-width: 58ch;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--c-gray);
  margin: 0 0 20px;
}

.page-news .masthead-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .page-masthead__side {
  background: var(--c-paper);
  border: 3px solid var(--c-ink);
  border-left-width: 8px;
  border-left-color: var(--c-red);
  box-shadow: var(--shadow-1);
  padding: 24px 20px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  column-gap: 14px;
  row-gap: 10px;
}

.page-news .page-masthead__stat-number {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 1.7rem;
  line-height: 1;
  color: var(--c-red);
}

.page-news .page-masthead__stat-label {
  font-size: .9rem;
  color: var(--c-gray);
  font-weight: 500;
}

.page-news .masthead-stripe {
  height: var(--masthead-line);
  margin-top: 8px;
  background: repeating-linear-gradient(
    90deg,
    var(--c-red) 0 28px,
    var(--c-gold) 28px 40px
  );
}

/* ---------- 站内过滤条 ---------- */
.page-news .news-filter {
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: 28px;
  background: var(--c-bg);
  border: 3px solid var(--c-ink);
  box-shadow: 6px 6px 0 rgba(31, 58, 95, .18);
  padding: 4px 4px 4px 14px;
}

.page-news .news-filter__icon {
  font-size: 1.3rem;
  color: var(--c-red);
  margin-right: 8px;
  font-weight: 900;
}

.page-news .news-filter__input {
  flex: 1;
  border: 0;
  outline: 0;
  background: transparent;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 10px 8px;
  color: var(--c-ink);
  min-width: 0;
}

.page-news .news-filter__input::placeholder {
  color: var(--c-gray);
}

.page-news .news-filter__clear {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  background: var(--c-blue);
  color: var(--c-bg);
  border: 0;
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .3s var(--ease);
}

.page-news .news-filter__clear:hover {
  background: var(--c-red);
}

/* ---------- 章节通用 ---------- */
.page-news .section {
  padding-block: 56px 40px;
}

.page-news .section-head {
  border-bottom: 3px solid var(--line-strong);
  padding-bottom: 18px;
  margin-bottom: 28px;
}

.page-news .section-head__index {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-news .section-no {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 1rem;
  color: var(--c-gold);
  letter-spacing: .08em;
}

.page-news .section-title {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 1.8rem;
  line-height: 1.2;
  margin: 0;
}

.page-news .section-desc {
  margin: 8px 0 0;
  color: var(--c-gray);
  font-size: .95rem;
}

/* ---------- 最新发布 ---------- */
.page-news .section--latest {
  padding-top: 48px;
}

.page-news .news-feature {
  display: grid;
  gap: 0;
  background: var(--c-paper);
  border: 3px solid var(--c-ink);
  box-shadow: var(--shadow-1);
  margin-bottom: 40px;
}

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

.page-news .news-feature__body {
  padding: 24px 20px;
}

.page-news .news-feature__title {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 1.45rem;
  line-height: 1.3;
  margin: 12px 0 10px;
  text-wrap: balance;
}

.page-news .news-feature .news-summary {
  margin-bottom: 12px;
}

/* ---------- 新闻元信息 ---------- */
.page-news .news-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .news-meta__time {
  font-size: .85rem;
  color: var(--c-gray);
  font-weight: 600;
}

.page-news .news-summary {
  color: var(--c-ink);
  line-height: 1.7;
  margin: 8px 0 0;
}

/* ---------- 展开更多 ---------- */
.page-news .news-more {
  margin-top: 14px;
}

.page-news .news-more summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: .86rem;
  color: var(--c-red);
  border-bottom: 2px solid transparent;
  transition: border-color .3s var(--ease);
}

.page-news .news-more summary:hover {
  border-color: var(--c-red);
}

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

.page-news .news-more[open] summary {
  color: var(--c-blue);
  border-color: var(--c-blue);
}

.page-news .news-more p {
  margin-top: 10px;
  padding-left: 14px;
  border-left: 4px solid var(--c-gold);
  color: var(--c-gray);
  font-size: .92rem;
  line-height: 1.7;
}

/* ---------- 新闻列表 ---------- */
.page-news .news-list {
  display: grid;
  gap: 0;
}

.page-news .news-item {
  display: grid;
  grid-template-columns: 6px 1fr;
  gap: 16px;
  padding: 24px 0;
  border-bottom: 2px solid var(--line-soft);
}

.page-news .news-item__bar {
  background: var(--c-blue);
  border-radius: 3px;
  min-height: 44px;
}

.page-news .news-item:nth-child(1) .news-item__bar {
  background: var(--c-warn);
}

.page-news .news-item:nth-child(2) .news-item__bar {
  background: var(--c-green);
}

.page-news .news-item:nth-child(3) .news-item__bar {
  background: var(--c-blue);
}

.page-news .news-item:nth-child(4) .news-item__bar {
  background: var(--c-green);
}

.page-news .news-item:nth-child(5) .news-item__bar {
  background: var(--c-gold);
}

.page-news .news-item:nth-child(6) .news-item__bar {
  background: var(--c-blue);
}

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

.page-news .news-item__title {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.15rem;
  line-height: 1.4;
  margin: 10px 0 6px;
  text-wrap: balance;
}

.page-news .news-item--with-media {
  grid-template-columns: 1fr;
  background:
    linear-gradient(135deg, var(--c-paper) 0%, transparent 70%);
}

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

.page-news .news-item__media img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  max-height: 300px;
  border: 2px solid var(--c-ink);
}

/* ---------- 热门标签 ---------- */
.page-news .section--tags {
  background: var(--c-paper);
  border: 3px solid var(--c-ink);
  box-shadow: var(--shadow-1);
  padding: 32px 20px;
  margin-bottom: 16px;
}

.page-news .section--tags .section-head {
  border-bottom-color: var(--line-soft);
}

.page-news .tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.page-news .tag-cloud__item {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  font-family: var(--font-title);
  font-weight: 800;
  transition:
    transform .3s var(--ease),
    box-shadow .3s var(--ease);
}

.page-news .tag-cloud__item:hover {
  transform: translateY(-3px);
  box-shadow: 4px 4px 0 rgba(192, 57, 43, .32);
}

.page-news .tag-note {
  margin-top: 24px;
  padding: 16px 18px;
  background: var(--c-bg);
  border-left: 6px solid var(--c-blue);
  font-size: .9rem;
  color: var(--c-gray);
  line-height: 1.65;
}

.page-news .tag-note p {
  margin: 0;
}

/* ---------- 版本更新日志 ---------- */
.page-news .section--versions {
  padding-top: 64px;
}

.page-news .version-layout {
  display: grid;
  gap: 32px;
}

.page-news .version-timeline {
  border-left: 4px solid var(--c-blue);
  padding-left: 24px;
}

.page-news .version-item {
  position: relative;
  padding: 18px 0 24px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-news .version-item:last-child {
  border-bottom: 0;
}

.page-news .version-item::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 26px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-red);
  border: 3px solid var(--c-bg);
  box-shadow: 0 0 0 3px var(--c-red);
}

.page-news .version-item__num {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 1.35rem;
  line-height: 1;
  color: var(--c-blue);
  letter-spacing: .02em;
}

.page-news .version-item__body {
  margin-top: 8px;
}

.page-news .version-item__body p {
  margin: 6px 0 0;
  color: var(--c-gray);
  font-size: .93rem;
  line-height: 1.6;
}

.page-news .version-item__title {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.08rem;
  margin: 0;
}

.page-news .version-item__time {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--c-bg);
  background: var(--c-red);
  padding: 3px 10px;
}

.page-news .version-media {
  background: var(--c-paper);
  border: 3px solid var(--c-ink);
  box-shadow: var(--shadow-1);
  padding: 18px;
  align-self: start;
}

.page-news .version-media img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border: 2px solid var(--c-ink);
}

.page-news .version-media__note {
  margin: 14px 0 16px;
  font-size: .9rem;
  color: var(--c-gray);
  line-height: 1.6;
}

/* ---------- 活动公告 ---------- */
.page-news .section--activity {
  padding-top: 24px;
  padding-bottom: 64px;
}

.page-news .activity-banner {
  display: grid;
  gap: 0;
  background: var(--c-blue);
  color: var(--c-bg);
  box-shadow: var(--shadow-2);
  border: 3px solid var(--c-ink);
}

.page-news .activity-banner__media img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  max-height: 360px;
  border-bottom: 3px solid var(--c-ink);
}

.page-news .activity-banner__content {
  padding: 28px 24px;
}

.page-news .activity-banner__content .news-summary {
  color: rgba(249, 245, 240, .86);
  margin: 14px 0 20px;
}

.page-news .activity-banner__title {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 1.55rem;
  line-height: 1.3;
  margin: 12px 0 0;
  text-wrap: balance;
}

.page-news .activity-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- tag 微调 ---------- */
.page-news .tag {
  font-family: var(--font-title);
  font-weight: 700;
}

.page-news .tag--lg {
  font-size: .92rem;
  padding: 8px 16px;
  letter-spacing: .02em;
}

/* ---------- 移动端增强 ---------- */
@media (min-width: 640px) {
  .page-news {
    --page-gutter: 28px;
  }

  .page-news .news-feature__body {
    padding: 32px;
  }

  .page-news .news-item--with-media {
    grid-template-columns: 1fr 220px;
    align-items: start;
  }

  .page-news .news-item__media {
    margin-top: 0;
  }

  .page-news .news-item__media img {
    max-height: none;
  }

  .page-news .activity-banner__content {
    padding: 36px;
  }
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-news {
    --page-gutter: 32px;
  }

  .page-news .page-masthead {
    grid-template-columns: 1fr 280px;
    align-items: end;
    gap: 32px;
    padding-top: 48px;
  }

  .page-news .masthead-stripe {
    grid-column: 1 / -1;
  }

  .page-news .page-masthead__side {
    padding: 28px 24px;
  }

  .page-news .news-feature {
    grid-template-columns: 1.1fr .9fr;
  }

  .page-news .news-feature__media img {
    height: 100%;
    object-fit: cover;
  }

  .page-news .news-feature__title {
    font-size: 1.75rem;
  }

  .page-news .news-item__title {
    font-size: 1.28rem;
  }

  .page-news .version-layout {
    grid-template-columns: 1fr 320px;
    gap: 40px;
  }

  .page-news .version-timeline {
    padding-left: 32px;
  }

  .page-news .version-item::before {
    left: -38px;
    width: 14px;
    height: 14px;
  }

  .page-news .activity-banner {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }

  .page-news .activity-banner__media img {
    height: 100%;
    max-height: none;
    border-bottom: 0;
    border-right: 3px solid var(--c-ink);
  }

  .page-news .activity-banner__content {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
}

@media (min-width: 1180px) {
  .page-news .page-masthead__title {
    font-size: 3.6rem;
  }

  .page-news .section {
    padding-block: 64px 48px;
  }

  .page-news .news-list {
    grid-template-columns: 1fr;
  }
}