/* ===== 批次动态 /news/ ===== */

.page-news {
  --news-rail-w: 240px;
  background: var(--ink);
  color: var(--fg);
  padding-top: calc(var(--header-h) + 20px);
  padding-bottom: 72px;
}

.page-news .container {
  width: 100%;
  max-width: var(--surface-max);
  margin-inline: auto;
  padding-inline: var(--page-x);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding-block: 4px 40px;
  border-bottom: 1px solid var(--line-strong);
  background-image: radial-gradient(110% 90% at 88% 0%, rgba(201, 162, 39, .12), transparent 62%);
}

.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 30px;
  font-size: 12px;
  letter-spacing: .1em;
}

.page-news .breadcrumb__current {
  color: var(--muted);
}

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

.page-news .news-hero__main h1 {
  margin: 14px 0 0;
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2.3rem, 7.6vw, 5.2rem);
  line-height: 1.04;
  letter-spacing: -.02em;
}

.page-news .news-hero__lead {
  margin: 20px 0 0;
  max-width: 64ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-news .news-hero__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .news-hero__stats li {
  display: grid;
  gap: 8px;
  padding: 16px 14px;
  background: var(--ink);
}

.page-news .news-hero__stat-label {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-news .news-hero__stat-value {
  font-size: 20px;
  color: var(--gold);
}

/* ---------- 栏目标签 ---------- */
.page-news .news-tags {
  padding-block: 44px 8px;
}

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

.page-news .news-tags__title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 26px;
  letter-spacing: -.01em;
}

.page-news .news-tags__note {
  margin: 12px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .tag-row {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
}

.page-news .tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  color: var(--fg);
  font-size: 14px;
  text-decoration: none;
  transition: border-color var(--ease), background-color var(--ease);
}

.page-news .tag-chip:hover,
.page-news .tag-chip:focus-visible {
  border-color: var(--line-strong);
  background-color: rgba(201, 162, 39, .1);
}

.page-news .tag-chip__dot,
.page-news .feed-group__dot {
  width: 8px;
  height: 8px;
  flex: none;
  display: inline-block;
}

.page-news .dot--jade { background: var(--jade); }
.page-news .dot--cinnabar { background: var(--cinnabar); }
.page-news .dot--gold { background: var(--gold); }
.page-news .dot--haze { background: var(--haze); }

.page-news .tag-chip__count {
  font-size: 13px;
  color: var(--gold);
}

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

.page-news .news-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  object-fit: cover;
}

.page-news .news-figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-news .news-figure--hot {
  margin-top: 34px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

/* ---------- 正文两栏 ---------- */
.page-news .news-layout {
  display: grid;
  gap: 40px;
  margin-top: 36px;
}

.page-news .rail {
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-news .rail__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 16px;
}

.page-news .rail__link {
  display: block;
  padding: 7px 0 7px 12px;
  border-left: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--ease), border-color var(--ease);
}

.page-news .rail__link:hover,
.page-news .rail__link:focus-visible {
  color: var(--fg);
  border-left-color: var(--line-strong);
}

.page-news .rail__link[aria-current="true"] {
  color: var(--gold);
  border-left-color: var(--gold);
}

.page-news .rail__note {
  margin: 16px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 头条条目 ---------- */
.page-news .lead-item {
  position: relative;
  padding: 26px 22px 28px;
  border: 1px solid var(--line-strong);
  border-left-width: 3px;
  border-left-color: var(--gold);
  background: linear-gradient(160deg, rgba(20, 41, 74, .95), rgba(11, 27, 51, .95));
}

.page-news .lead-item::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 54px;
  height: 54px;
  background: linear-gradient(45deg, transparent 48.4%, var(--gold) 48.4%, var(--gold) 51.6%, transparent 51.6%);
  opacity: .85;
  pointer-events: none;
}

.page-news .lead-item__flag {
  margin: 0;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-news .lead-item__title {
  margin: 14px 0 0;
  max-width: 30ch;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(20px, 3.2vw, 30px);
  line-height: 1.45;
}

.page-news .lead-item__body {
  margin: 16px 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .lead-item__facts {
  display: grid;
  gap: 1px;
  margin: 22px 0 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .lead-item__fact {
  display: grid;
  gap: 6px;
  padding: 12px 14px;
  background: var(--ink);
}

.page-news .lead-item__fact dt {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-news .lead-item__fact dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
}

.page-news .lead-item__fact a {
  color: var(--gold-2);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 栏目段落与条目 ---------- */
.page-news .feed-group {
  margin-top: 44px;
}

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

.page-news .feed-group__title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -.01em;
}

.page-news .feed-group__dot {
  position: relative;
  top: -2px;
}

.page-news .feed-group__count {
  margin-left: auto;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-news .stream-item {
  display: grid;
  gap: 10px;
  padding: 22px 0 24px;
  border-top: 1px solid var(--line);
}

.page-news .stream-item:first-of-type {
  border-top-color: var(--line-strong);
}

.page-news .stream-item__time {
  margin: 0;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-news .stream-item__title {
  margin: 0;
  max-width: 34ch;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(18px, 2.6vw, 23px);
  line-height: 1.5;
}

.page-news .stream-item__sum {
  margin: 0;
  max-width: 66ch;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .stream-item .disclosure__trigger {
  justify-self: start;
  margin-top: 2px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  background: none;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: .1em;
  cursor: pointer;
  transition: color var(--ease), border-color var(--ease);
}

.page-news .stream-item .disclosure__trigger:hover,
.page-news .stream-item .disclosure__trigger:focus-visible {
  color: var(--gold);
  border-color: var(--line-strong);
}

.page-news .stream-item .disclosure__panel {
  max-width: 66ch;
  padding: 14px 16px;
  border-left: 1px solid var(--line-strong);
  background: var(--ink-2);
}

.page-news .stream-item .disclosure__panel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .stream-item .disclosure__panel a {
  color: var(--gold-2);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-figure--compare {
  margin-top: 30px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}

/* ---------- 批次索引 ---------- */
.page-news .news-batch {
  margin-top: 56px;
  padding-top: 30px;
  border-top: 1px solid var(--line-strong);
}

.page-news .news-batch__title,
.page-news .news-tail__title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 26px;
  letter-spacing: -.01em;
}

.page-news .news-batch__lead {
  margin: 14px 0 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .news-batch__grid {
  display: grid;
  gap: 30px;
  margin-top: 26px;
}

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

.page-news .batch-list li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.page-news .batch-list__no {
  color: var(--gold);
}

.page-news .batch-list__range {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-news .news-batch__note {
  margin: 24px 0 0;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-batch__note a {
  color: var(--gold-2);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 回溯与反馈 ---------- */
.page-news .news-tail {
  margin-top: 56px;
  padding-top: 30px;
  border-top: 1px solid var(--line-strong);
}

.page-news .news-tail__grid {
  display: grid;
  gap: 26px;
  margin-top: 22px;
}

.page-news .news-tail__cell {
  padding: 20px 18px;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-news .news-tail__sub {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 17px;
}

.page-news .news-tail__cell p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .news-tail__cell a {
  color: var(--gold-2);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .lead-item {
    padding: 30px 30px 32px;
  }

  .page-news .lead-item__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .news-tags__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
    gap: 48px;
    align-items: start;
  }

  .page-news .news-batch__grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    align-items: start;
  }

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

@media (min-width: 1024px) {
  .page-news {
    padding-bottom: 96px;
  }

  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(280px, .7fr);
    gap: 56px;
    align-items: end;
  }

  .page-news .news-layout {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: 56px;
    margin-top: 44px;
  }

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

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

@media (min-width: 1440px) {
  .page-news .news-stream {
    max-width: 1080px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .tag-chip,
  .page-news .rail__link,
  .page-news .stream-item .disclosure__trigger {
    transition: none;
  }
}