/* ===== 动态与专栏 · page-news ===== */

.page-news {
  --news-rule: rgba(196, 204, 217, .14);
  --news-pad: clamp(16px, 2.6vw, 26px);
  position: relative;
}

/* ---------- 页首 ---------- */
.page-news .news-masthead {
  position: relative;
  padding-block: clamp(26px, 4.4vw, 54px) clamp(30px, 5vw, 62px);
  background:
    radial-gradient(120% 92% at 86% 0%, rgba(201, 162, 75, .16), rgba(201, 162, 75, 0) 58%),
    linear-gradient(180deg, var(--ink-deep), var(--ink) 68%, var(--ink-deep));
  border-bottom: 1px solid var(--hair-cool);
  overflow: hidden;
}

.page-news .news-masthead::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(196, 204, 217, .05) 0 1px, transparent 1px 128px);
  pointer-events: none;
}

.page-news .news-masthead .breadcrumbs {
  position: relative;
  margin: 0 0 clamp(18px, 3vw, 30px);
}

.page-news .news-masthead-inner {
  position: relative;
  display: grid;
  gap: clamp(24px, 3.6vw, 44px);
  align-items: end;
}

.page-news .news-masthead-copy .page-title {
  margin: 12px 0 0;
  max-width: 15em;
  text-wrap: balance;
}

.page-news .news-masthead-copy .page-lede {
  margin: 18px 0 0;
  max-width: 48ch;
}

.page-news .news-masthead-media {
  position: relative;
  margin: 0;
  border: 1px solid var(--hair);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--ink-deep);
  box-shadow: var(--shadow-stack);
}

.page-news .news-masthead-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.page-news .news-masthead-media .media-caption {
  position: absolute;
  left: 0;
  bottom: 0;
  margin: 0;
  padding: 6px 14px;
  background: rgba(10, 21, 38, .84);
  border-top-right-radius: var(--r);
  color: var(--gold-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
}

@media (min-width: 960px) {
  .page-news .news-masthead-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-news .news-masthead-media img {
    aspect-ratio: 16 / 9;
  }
}

/* ---------- 主题筛选条 ---------- */
.page-news .news-filterbar {
  padding-block: clamp(16px, 2.3vw, 24px);
  background: linear-gradient(90deg, var(--ink-deep), var(--ink-soft) 55%, var(--ink-deep));
  border-bottom: 1px solid var(--hair-cool);
}

.page-news .news-filterbar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 20px;
}

.page-news .news-filter-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-news .news-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-filters .filter-btn {
  appearance: none;
  cursor: pointer;
  padding: 7px 15px;
  border: 1px solid var(--hair-cool);
  border-radius: 999px;
  background: rgba(255, 255, 255, .02);
  color: var(--silver);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.4;
  letter-spacing: .04em;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-news .news-filters .filter-btn:hover {
  color: var(--pearl);
  border-color: var(--gold);
}

.page-news .news-filters .filter-btn[aria-pressed="true"] {
  color: var(--pearl);
  border-color: var(--cyan);
  background: rgba(63, 208, 201, .1);
  box-shadow: inset 0 0 0 1px rgba(63, 208, 201, .45);
}

/* ---------- 精选专题 ---------- */
.page-news .news-featured {
  position: relative;
}

.page-news .news-feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.6vw, 30px);
}

.page-news .news-feature {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  color: var(--ink-deep);
  transition: transform 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-news .news-feature:hover {
  transform: translateY(-4px);
}

.page-news .news-feature-media {
  position: relative;
  margin: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--ink-deep);
  border-bottom: 1px solid rgba(28, 26, 23, .25);
}

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

.page-news .news-feature-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 10px;
  padding: clamp(18px, 2.2vw, 24px) clamp(18px, 2.2vw, 24px) clamp(22px, 2.6vw, 28px);
}

.page-news .news-series {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold-deep);
}

.page-news .news-feature-title {
  margin: 0;
  font-size: clamp(20px, 2.2vw, 23px);
  line-height: 1.36;
  letter-spacing: .03em;
  color: var(--ink-deep);
}

.page-news .news-feature-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: #35405A;
}

.page-news .news-feature-meta {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 0;
  font-size: 13px;
  color: #5C6478;
}

.page-news .news-feature-meta .num {
  font-size: 22px;
  line-height: 1;
}

.page-news .news-feature-body .link-inline {
  align-self: flex-start;
  margin-top: auto;
  padding-top: 12px;
  color: var(--gold-deep);
  font-size: 14px;
  font-weight: 600;
}

@media (min-width: 880px) {
  .page-news .news-feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-news .news-feature:nth-child(2) {
    margin-top: 46px;
  }

  .page-news .news-feature:nth-child(3) {
    margin-top: 92px;
  }
}

/* ---------- 近期更新列表 ---------- */
.page-news .news-entries {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--news-rule);
}

.page-news .news-entry {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: var(--news-pad) 0;
  border-bottom: 1px solid var(--news-rule);
  border-left: 2px solid transparent;
  transition: background-color 180ms var(--ease), border-left-color 180ms var(--ease);
}

.page-news .news-entry:hover {
  border-left-color: var(--gold);
  background: linear-gradient(90deg, rgba(201, 162, 75, .09), rgba(201, 162, 75, 0) 62%);
}

.page-news .news-entry-side {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-news .news-entry-num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.4vw, 28px);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-news .news-entry-body {
  min-width: 0;
}

.page-news .news-entry-title {
  margin: 0 0 8px;
  font-size: clamp(18px, 1.9vw, 21px);
  line-height: 1.5;
  letter-spacing: .02em;
}

.page-news .news-entry-title a {
  color: var(--pearl);
  text-decoration: none;
  transition: color 160ms var(--ease);
}

.page-news .news-entry-title a:hover {
  color: var(--gold-soft);
}

.page-news .news-entry-text {
  margin: 0 0 10px;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--silver);
}

.page-news .news-entry-time {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: rgba(196, 204, 217, .58);
}

@media (min-width: 760px) {
  .page-news .news-entry {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 8px 28px;
    padding-left: 20px;
  }

  .page-news .news-entry-side {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

/* ---------- 分类归档 ---------- */
.page-news .news-archive-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--hair-cool);
  border: 1px solid var(--hair-cool);
  border-radius: var(--r);
  overflow: hidden;
}

.page-news .news-archive-cell {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.4vw, 30px);
  background: var(--ink-soft);
  border-top: 3px solid transparent;
  transition: border-top-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-news .news-archive-cell:hover {
  border-top-color: var(--cyan);
  background: #14243F;
}

.page-news .news-archive-num {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 0;
}

.page-news .news-archive-count {
  font-family: var(--font-mono);
  font-size: clamp(30px, 3.6vw, 40px);
  line-height: 1;
  color: var(--gold);
}

.page-news .news-archive-unit {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--silver);
}

.page-news .news-archive-name {
  margin: 0;
  font-size: 18px;
  letter-spacing: .06em;
  color: var(--pearl);
}

.page-news .news-archive-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--silver);
}

@media (min-width: 620px) {
  .page-news .news-archive-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-news .news-archive-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 选题反馈 ---------- */
.page-news .news-feedback {
  display: grid;
  gap: 24px;
  padding: clamp(24px, 3.2vw, 40px);
  color: var(--ink-deep);
}

.page-news .news-feedback-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.page-news .news-feedback-title {
  margin: 0;
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.35;
  letter-spacing: .03em;
  color: var(--ink-deep);
}

.page-news .news-feedback-text {
  margin: 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.8;
  color: #35405A;
}

.page-news .news-feedback-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-news .news-feedback-actions .btn-ghost {
  border-color: rgba(28, 26, 23, .45);
  color: var(--ink-deep);
}

.page-news .news-feedback-actions .btn-ghost:hover {
  border-color: var(--ink-deep);
  background: rgba(28, 26, 23, .07);
}

@media (min-width: 860px) {
  .page-news .news-feedback {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 44px;
  }
}

/* ---------- 动效收敛 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .news-feature,
  .page-news .news-entry,
  .page-news .news-archive-cell,
  .page-news .news-filters .filter-btn {
    transition: none;
  }

  .page-news .news-feature:hover,
  .page-news .news-entry:hover {
    transform: none;
  }
}