.page-news {
  --news-rule: rgba(51, 61, 74, .55);
  --news-soft: rgba(244, 241, 234, .84);
  --news-dim: rgba(169, 180, 196, .95);
  padding: 28px 0 88px;
}

.page-news img {
  max-width: 100%;
}

/* 面包屑 */
.page-news .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 32px;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--mist);
}

.page-news .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--ink-line);
}

.page-news .breadcrumb__link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}

.page-news .breadcrumb__link:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* 通用栏目标题行 */
.page-news .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 20px;
  margin: 0 0 26px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--news-rule);
}

.page-news .section-head__title {
  position: relative;
  margin: 0;
  padding-left: 34px;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--paper);
}

.page-news .section-head__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 24px;
  height: 2px;
  background: var(--amber);
  transform: translateY(-50%);
}

.page-news .section-head__meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
}

/* 首屏 */
.page-news .news-hero {
  margin-bottom: 52px;
}

.page-news .news-hero__frame {
  position: relative;
  padding: 42px 20px 26px;
  background: var(--carbon);
  border: 1px solid var(--news-rule);
  border-left: 3px solid var(--amber);
  box-shadow: var(--shadow-soft);
}

.page-news .news-hero__frame::before {
  content: "";
  position: absolute;
  top: 13px;
  left: 16px;
  right: 16px;
  height: 6px;
  background-image: repeating-linear-gradient(90deg, var(--ink-line) 0 1px, transparent 1px 14px);
  opacity: .9;
  pointer-events: none;
}

.page-news .news-hero__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 18px;
  margin-bottom: 16px;
}

.page-news .news-hero__stamp {
  margin: 0;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-news .news-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(34px, 9vw, 54px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-news .news-hero__lede {
  max-width: 38em;
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--news-soft);
}

.page-news .news-hero__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--news-rule);
  border: 1px solid var(--news-rule);
}

.page-news .news-hero__meta-item {
  padding: 14px 16px;
  background: var(--grayblue);
}

.page-news .news-hero__meta dt {
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-news .news-hero__meta dd {
  margin: 0;
  font-size: 18px;
  line-height: 1.2;
  color: var(--gold);
}

.page-news .news-hero__figure {
  margin: 18px 0 0;
}

/* 图片容器 */
.page-news .figure {
  margin: 0;
}

.page-news .figure__frame {
  overflow: hidden;
  border: 1px solid var(--news-rule);
  background: var(--carbon);
  aspect-ratio: 16 / 9;
}

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

.page-news .figure__cap {
  margin: 10px 0 0;
  font-size: 12px;
  letter-spacing: .02em;
  line-height: 1.7;
  color: var(--mist);
}

/* 置顶条目 */
.page-news .news-top {
  display: grid;
  gap: 26px;
  margin-bottom: 56px;
}

.page-news .top-card {
  position: relative;
  padding: 48px 20px 24px;
  background: var(--carbon);
  border: 1px solid var(--news-rule);
  border-left: 3px solid var(--amber);
  box-shadow: var(--shadow-soft);
}

.page-news .top-card__flag {
  position: absolute;
  top: -1px;
  left: -3px;
  padding: 7px 14px;
  background: var(--amber);
  color: var(--obsidian);
  font-size: 11px;
  letter-spacing: .18em;
}

.page-news .top-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 14px;
}

.page-news .top-card__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(23px, 5.6vw, 36px);
  font-weight: 700;
  line-height: 1.28;
  color: var(--paper);
}

.page-news .top-card__points {
  display: grid;
  gap: 12px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-news .top-card__points li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--news-soft);
}

.page-news .top-card__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 8px;
  background: var(--amber);
}

.page-news .top-card__foot {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--news-rule);
  font-size: 14px;
}

.page-news .link-underline {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--amber);
  transition: color .18s ease, border-color .18s ease;
}

.page-news .link-underline:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

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

/* 记录列表与筛选 */
.page-news .news-board {
  margin-bottom: 56px;
}

.page-news .news-filters {
  position: relative;
}

.page-news .news-filters__input {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .news-filters__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.page-news .news-filters__chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border: 1px solid var(--news-rule);
  background: var(--carbon);
  color: var(--mist);
  font-size: 13px;
  letter-spacing: .04em;
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

.page-news .news-filters__chip:hover {
  border-color: var(--amber);
  color: var(--paper);
}

.page-news #cat-all:checked ~ .news-filters__bar .news-filters__chip[for="cat-all"],
.page-news #cat-release:checked ~ .news-filters__bar .news-filters__chip[for="cat-release"],
.page-news #cat-ux:checked ~ .news-filters__bar .news-filters__chip[for="cat-ux"],
.page-news #cat-compat:checked ~ .news-filters__bar .news-filters__chip[for="cat-compat"],
.page-news #cat-enterprise:checked ~ .news-filters__bar .news-filters__chip[for="cat-enterprise"],
.page-news #cat-family:checked ~ .news-filters__bar .news-filters__chip[for="cat-family"] {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--obsidian);
}

.page-news #cat-release:checked ~ .news-list > .news-item:not([data-cat="release"]),
.page-news #cat-ux:checked ~ .news-list > .news-item:not([data-cat="ux"]),
.page-news #cat-compat:checked ~ .news-list > .news-item:not([data-cat="compat"]),
.page-news #cat-enterprise:checked ~ .news-list > .news-item:not([data-cat="enterprise"]),
.page-news #cat-family:checked ~ .news-list > .news-item:not([data-cat="family"]) {
  display: none;
}

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

.page-news .news-item {
  display: grid;
  gap: 6px;
  padding: 16px 0 16px 17px;
  border-bottom: 1px solid var(--news-rule);
  border-left: 3px solid var(--ink-line);
  transition: border-left-width .18s ease, padding-left .18s ease, background-color .18s ease;
}

.page-news .news-item:hover {
  border-left-width: 4px;
  padding-left: 16px;
  background: rgba(38, 50, 68, .5);
}

.page-news .news-item[data-cat="release"] {
  border-left-color: var(--amber);
}

.page-news .news-item[data-cat="ux"] {
  border-left-color: var(--celadon);
}

.page-news .news-item[data-cat="compat"] {
  border-left-color: var(--signal);
}

.page-news .news-item[data-cat="enterprise"] {
  border-left-color: var(--mist);
}

.page-news .news-item[data-cat="family"] {
  border-left-color: var(--rice);
}

.page-news .news-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
}

.page-news .news-item__cat {
  font-size: 11px;
  letter-spacing: .16em;
}

.page-news .news-item[data-cat="release"] .news-item__cat {
  color: var(--amber);
}

.page-news .news-item[data-cat="ux"] .news-item__cat {
  color: var(--celadon);
}

.page-news .news-item[data-cat="compat"] .news-item__cat {
  color: var(--signal);
}

.page-news .news-item[data-cat="enterprise"] .news-item__cat {
  color: var(--mist);
}

.page-news .news-item[data-cat="family"] .news-item__cat {
  color: var(--rice);
}

.page-news .news-item__time {
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-news .news-item__title {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.55;
  color: var(--paper);
}

.page-news .news-item__summary {
  max-width: 44em;
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--news-dim);
}

.page-news .news-board__note {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--news-dim);
}

/* 专题系列 */
.page-news .news-topics {
  margin-bottom: 56px;
}

.page-news .topic-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(250px, 84%);
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 14px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-news .topic-track:focus-visible {
  outline: 1px solid var(--amber);
  outline-offset: 4px;
}

.page-news .topic-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px;
  background: var(--carbon);
  border: 1px solid var(--news-rule);
  border-top: 2px solid var(--amber);
  scroll-snap-align: start;
  transition: border-color .18s ease, transform .18s ease;
}

.page-news .topic-card:hover {
  border-color: var(--amber);
  transform: translateY(-2px);
}

.page-news .topic-card__index {
  margin: 0;
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--gold);
}

.page-news .topic-card__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--paper);
}

.page-news .topic-card__body {
  flex: 1;
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--news-dim);
}

.page-news .topic-card__foot {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--news-rule);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-news .news-topics__figure {
  margin-top: 24px;
}

/* 发布节奏 */
.page-news .news-cadence {
  margin-bottom: 56px;
}

.page-news .cadence-grid {
  display: grid;
  gap: 24px;
}

.page-news .cadence-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--news-rule);
}

.page-news .cadence-item {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--news-rule);
}

.page-news .cadence-item__label {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 500;
  color: var(--paper);
}

.page-news .cadence-item__seq {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-news .cadence-item__body {
  margin: 0;
  max-width: 44em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--news-dim);
}

.page-news .cadence-item__meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-news .cadence-figure {
  align-self: start;
}

/* 回访收口 */
.page-news .return-card {
  position: relative;
  padding: 30px 20px 28px;
  background: var(--grayblue);
  border: 1px solid var(--news-rule);
  border-top: 2px solid var(--amber);
}

.page-news .return-card__title {
  margin: 12px 0 14px;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  line-height: 1.45;
  color: var(--paper);
}

.page-news .return-card__body {
  max-width: 42em;
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--news-soft);
}

.page-news .return-card__mail {
  color: var(--gold);
  word-break: break-all;
}

@media (min-width: 720px) {
  .page-news {
    padding: 40px 0 104px;
  }

  .page-news .news-hero__frame {
    padding: 52px 40px 34px;
  }

  .page-news .top-card {
    padding: 52px 34px 28px;
  }

  .page-news .news-item {
    grid-template-columns: 1fr;
    padding: 18px 0 18px 20px;
  }

  .page-news .news-item:hover {
    padding-left: 19px;
  }

  .page-news .section-head__title {
    font-size: 26px;
  }

  .page-news .topic-track {
    grid-auto-columns: minmax(290px, 46%);
  }

  .page-news .return-card {
    padding: 34px 32px 32px;
  }
}

@media (min-width: 960px) {
  .page-news .news-top {
    grid-template-columns: 1.12fr .88fr;
    gap: 28px;
    align-items: start;
  }

  .page-news .news-hero {
    margin-bottom: 64px;
  }

  .page-news .news-hero__lede {
    font-size: 17px;
  }

  .page-news .cadence-grid {
    grid-template-columns: 1.05fr .95fr;
    gap: 32px;
    align-items: start;
  }

  .page-news .topic-track {
    grid-auto-columns: minmax(300px, 1fr);
  }
}

@media (min-width: 1160px) {
  .page-news .topic-track {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    overflow-x: visible;
    padding-bottom: 0;
  }

  .page-news .news-hero {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: 28px;
    align-items: stretch;
  }

  .page-news .news-hero__figure {
    margin: 0;
    display: flex;
  }

  .page-news .news-hero__figure .figure__frame {
    width: 100%;
    aspect-ratio: auto;
    min-height: 100%;
  }

  .page-news .news-hero__title {
    font-size: 54px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .topic-card,
  .page-news .news-filters__chip,
  .page-news .link-underline,
  .page-news .breadcrumb__link {
    transition: none;
  }
}