.page-news {
  --news-rail-w: 300px;
  --news-card: rgba(16, 42, 67, 0.66);
  background-image:
    radial-gradient(circle at 84% 4%, rgba(56, 214, 214, 0.1), transparent 44%),
    radial-gradient(circle at 6% 38%, rgba(232, 163, 61, 0.08), transparent 42%),
    linear-gradient(rgba(110, 106, 138, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(110, 106, 138, 0.09) 1px, transparent 1px);
  background-size: auto, auto, 72px 72px, 72px 72px;
  background-position: 0 0, 0 0, -1px -1px, -1px -1px;
}

.page-news .breadcrumb {
  padding-block: 20px 4px;
}

/* ---------- 首屏：杂志式分栏 ---------- */
.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-news .news-rail {
  border-left: 3px solid var(--amber);
  padding-left: 20px;
}

.page-news .news-rail h1 {
  font-size: clamp(28px, 7vw, 44px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 12px 0 14px;
}

.page-news .news-rail__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-news .news-rail__tag {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber-soft);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 5px 12px;
  background: rgba(232, 163, 61, 0.07);
}

.page-news .news-rail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-news .news-rail__stamp {
  margin: 20px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

.page-news .news-focus {
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-l);
  background:
    linear-gradient(160deg, rgba(16, 42, 67, 0.9) 0%, rgba(11, 27, 43, 0.94) 60%);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.page-news .news-focus::after {
  content: "";
  position: absolute;
  top: -80px;
  right: -70px;
  width: 200px;
  height: 200px;
  border-radius: 40% 60% 55% 45%;
  background: linear-gradient(135deg, rgba(217, 83, 63, 0.22), rgba(56, 214, 214, 0.14));
  pointer-events: none;
}

.page-news .news-focus__media {
  position: relative;
  z-index: 1;
  margin: 0;
  border-radius: 0;
}

.page-news .news-focus__body {
  position: relative;
  z-index: 1;
  padding: clamp(20px, 4vw, 32px);
}

.page-news .news-focus__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 10px;
  color: var(--cyan);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.page-news .news-focus__title {
  margin: 0 0 12px;
  font-size: clamp(22px, 4.4vw, 30px);
  line-height: 1.3;
  color: var(--cream);
}

.page-news .news-focus__body > p {
  color: var(--stone);
  line-height: 1.75;
}

.page-news .news-focus__fold {
  margin-top: 18px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-news .news-focus__fold .fold__body ul {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--stone);
  line-height: 1.8;
}

/* ---------- 版本时间线 ---------- */
.page-news .news-log__media {
  margin: 0 0 32px;
}

.page-news .news-tabs__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  margin-bottom: 24px;
  scrollbar-width: thin;
}

.page-news .news-tabs__list .tabs__btn {
  flex: 0 0 auto;
  white-space: nowrap;
}

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

.page-news .news-timeline__item {
  position: relative;
  padding: 0 0 26px 32px;
}

.page-news .news-timeline__item::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 16px;
  bottom: -2px;
  width: 1px;
  background: var(--line-strong);
}

.page-news .news-timeline__item:last-child {
  padding-bottom: 0;
}

.page-news .news-timeline__item:last-child::before {
  display: none;
}

.page-news .news-timeline__dot {
  position: absolute;
  left: 0;
  top: 6px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(232, 163, 61, 0.16);
}

.page-news .news-timeline--adapt .news-timeline__dot {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(56, 214, 214, 0.16);
}

.page-news .news-timeline__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 8px;
}

.page-news .news-timeline__ver {
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--amber-soft);
}

.page-news .news-timeline--adapt .news-timeline__ver {
  color: var(--cyan);
}

.page-news .news-timeline__title {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 1.5;
  color: var(--cream);
}

.page-news .news-timeline__scope {
  margin: 0 0 8px;
  color: var(--stone);
  line-height: 1.75;
  font-size: 15px;
}

.page-news .news-timeline__devices {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--violet);
}

/* ---------- 活动分类专题 ---------- */
.page-news .news-cats__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  margin-bottom: 22px;
}

.page-news .news-cats__list .tabs__btn {
  flex: 0 0 auto;
  white-space: nowrap;
}

.page-news .news-cat__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line);
}

.page-news .news-cat__stamp {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--stone);
}

.page-news .news-cat__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  padding-top: 18px;
}

.page-news .news-cat__label {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-news .news-cat__subs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-cat__subs li {
  font-size: 14px;
  color: var(--cream);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-s);
  padding: 6px 12px;
  background: var(--panel-soft);
}

.page-news .news-cat__cycle {
  margin: 0 0 10px;
  font-size: 20px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-news .news-cat__note {
  margin: 0;
  color: var(--stone);
  font-size: 15px;
  line-height: 1.75;
}

.page-news .news-cats__media {
  margin: 32px 0 0;
}

/* ---------- 记录节奏 ---------- */
.page-news .news-rhythm__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-news .news-rhythm__card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  background: var(--news-card);
  border-top: 3px solid var(--flame);
}

.page-news .news-rhythm__card:nth-child(2) {
  border-top-color: var(--cyan);
}

.page-news .news-rhythm__card:nth-child(3) {
  border-top-color: var(--amber);
}

.page-news .news-rhythm__card:nth-child(4) {
  border-top-color: var(--violet);
}

.page-news .news-rhythm__num {
  margin: 0 0 8px;
  font-size: 24px;
  letter-spacing: 0.08em;
  color: var(--amber-soft);
}

.page-news .news-rhythm__label {
  margin: 0 0 8px;
  font-size: 16px;
  color: var(--cream);
}

.page-news .news-rhythm__text {
  margin: 0;
  color: var(--stone);
  font-size: 15px;
  line-height: 1.75;
}

.page-news .news-rhythm__media {
  margin: 28px 0 0;
}

/* ---------- 回看与订阅 ---------- */
.page-news .news-back__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-news .news-back__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .news-back__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .news-back__time {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--flame);
  border: 1px solid rgba(217, 83, 63, 0.4);
  border-radius: 999px;
  padding: 3px 10px;
}

.page-news .news-back__link {
  color: var(--cream);
  font-size: 16px;
  line-height: 1.6;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-news .news-back__link:hover,
.page-news .news-back__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

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

.page-news .news-sub__title {
  margin: 0 0 12px;
  font-size: 20px;
  color: var(--amber-soft);
}

.page-news .news-sub__text {
  margin: 0 0 12px;
  color: var(--stone);
  font-size: 15px;
  line-height: 1.8;
}

.page-news .news-sub__actions {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .news-rhythm__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 960px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(250px, var(--news-rail-w)) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-news .news-rhythm__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-back__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-back__link {
    transition: none;
  }
}
</main>