/* ============================================================
   内容专栏 /articles/  ·  页面作用域 .page-news
   ============================================================ */

.page-news {
  --news-line: rgba(138, 143, 163, .22);
  --news-line-strong: rgba(242, 240, 233, .26);
  --news-body: rgba(242, 240, 233, .84);
  --news-body-soft: rgba(242, 240, 233, .7);
}

/* ---------- 基础网格 ---------- */

.page-news .news-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

@media (min-width: 900px) {
  .page-news .news-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: 24px;
    row-gap: 34px;
  }

  .page-news .news-span-8 { grid-column: span 8; }
  .page-news .news-span-4 { grid-column: span 4; }
  .page-news .news-span-7 { grid-column: span 7; }
  .page-news .news-span-5 { grid-column: span 5; }
}

/* ---------- 面包屑 ---------- */

.page-news .breadcrumbs {
  padding-top: 18px;
}

/* ---------- 报头 ---------- */

.page-news .news-intro {
  padding-block: clamp(18px, 4vw, 36px) clamp(28px, 5vw, 52px);
}

.page-news .news-intro__grid {
  row-gap: 30px;
  align-items: start;
}

.page-news .news-intro__lead,
.page-news .news-scope {
  grid-column: 1 / -1;
  min-width: 0;
}

@media (min-width: 900px) {
  .page-news .news-intro__lead { grid-column: span 8; }
  .page-news .news-scope { grid-column: span 4; }
}

.page-news .news-kicker {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .22em;
  color: var(--cyan);
}

.page-news .news-title {
  margin: 0 0 20px;
  font-size: clamp(1.85rem, 6.4vw, 3.2rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.015em;
  color: var(--paper);
  max-width: 21ch;
}

.page-news .news-lede {
  max-width: 40em;
  margin: 0 0 26px;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--news-body);
}

.page-news .news-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 0;
  margin: 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 2px solid var(--news-line-strong);
}

.page-news .news-facts__item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-right: 20px;
  margin-right: 20px;
  border-right: 1px dashed var(--news-line);
}

.page-news .news-facts__item:last-child {
  padding-right: 0;
  margin-right: 0;
  border-right: 0;
}

.page-news .news-facts__key {
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .12em;
  color: var(--stone);
}

.page-news .news-facts__val {
  font-family: var(--font-mono);
  font-size: .9375rem;
  color: var(--paper);
}

.page-news .news-facts__val--amber {
  color: var(--amber);
}

/* 发布范围面板 */

.page-news .news-scope {
  border: var(--edge) solid var(--news-line-strong);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
}

.page-news .news-scope__block {
  padding: 18px 18px 20px;
}

.page-news .news-scope__block + .news-scope__block {
  border-top: 2px dashed var(--news-line);
}

.page-news .news-scope__key {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-news .news-scope__block--out .news-scope__key {
  color: var(--stone);
}

.page-news .news-scope__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-scope__list li {
  position: relative;
  padding-left: 16px;
  font-size: .9375rem;
  line-height: 1.72;
  color: var(--news-body);
}

.page-news .news-scope__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 7px;
  height: 7px;
  background: var(--cyan);
}

.page-news .news-scope__block--out .news-scope__list li::before {
  background: var(--stone);
}

/* ---------- 章节容器 ---------- */

.page-news .news-block {
  padding-block: clamp(38px, 6.5vw, 74px);
  border-top: 1px solid rgba(138, 143, 163, .16);
}

/* ---------- 01 栏目标签 ---------- */

.page-news .news-tags {
  margin-top: 28px;
}

.page-news .news-tags__defs,
.page-news .news-tags__figure {
  grid-column: 1 / -1;
  min-width: 0;
}

@media (min-width: 900px) {
  .page-news .news-tags__defs { grid-column: span 7; }
  .page-news .news-tags__figure { grid-column: span 5; }
}

.page-news .news-tagdefs {
  margin: 0;
  border-top: 2px solid var(--news-line-strong);
}

.page-news .news-tagdef {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 15px 0 16px;
  border-bottom: 1px dashed var(--news-line);
  transition: background-color var(--t-fast);
}

@media (min-width: 620px) {
  .page-news .news-tagdef {
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

.page-news .news-tagdef:hover {
  background: rgba(53, 224, 208, .05);
}

.page-news .news-tagdef dt {
  margin: 0;
}

.page-news .news-tagdef dd {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--news-body);
}

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

/* ---------- 02 条目流 ---------- */

.page-news .news-batch-figure {
  margin: 26px 0 0;
}

.page-news .news-filter {
  margin-top: 26px;
  padding: 16px 18px 18px;
  border: var(--edge) solid var(--news-line-strong);
  background: var(--ink-800);
}

.page-news .news-filter__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.page-news .news-filter .filter-count {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--stone);
}

.page-news .news-stream {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 30px;
  border-top: 2px solid var(--news-line-strong);
}

@media (min-width: 980px) {
  .page-news .news-stream {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 34px;
  }

  .page-news .news-entry--wide {
    grid-column: span 2;
  }
}

.page-news .news-entry {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 20px 0 22px;
  border-bottom: 1px dashed var(--news-line);
  transition: background-color var(--t-fast);
}

@media (min-width: 640px) {
  .page-news .news-entry {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 0 20px;
  }
}

.page-news .news-entry::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--cyan);
  transition: width var(--t-base);
}

.page-news .news-entry:hover::before,
.page-news .news-entry:focus-within::before {
  width: 100%;
}

.page-news .news-entry:hover,
.page-news .news-entry:focus-within {
  background: rgba(53, 224, 208, .035);
}

.page-news .news-entry__batch {
  margin: 0 0 8px;
  padding-left: 10px;
  border-left: 3px solid var(--amber);
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--amber);
  transition: border-color var(--t-fast);
}

.page-news .news-entry:hover .news-entry__batch,
.page-news .news-entry:focus-within .news-entry__batch {
  border-left-color: var(--cyan);
}

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

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

.page-news .news-entry__time {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .04em;
  color: var(--stone);
}

.page-news .news-entry__title {
  margin: 0 0 9px;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
}

@media (min-width: 980px) {
  .page-news .news-entry__title { font-size: 1.125rem; }
}

.page-news .news-entry__excerpt {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--news-body-soft);
  transition: color var(--t-fast);
}

.page-news .news-entry:hover .news-entry__excerpt,
.page-news .news-entry:focus-within .news-entry__excerpt {
  -webkit-line-clamp: 40;
  color: var(--news-body);
}

/* ---------- 03 活动周期 ---------- */

.page-news .news-cycle {
  margin-top: 28px;
}

.page-news .news-cycle__main,
.page-news .news-cycle__figure {
  grid-column: 1 / -1;
  min-width: 0;
}

@media (min-width: 900px) {
  .page-news .news-cycle__main { grid-column: span 7; }
  .page-news .news-cycle__figure { grid-column: span 5; }
}

.page-news .news-cycle__lede {
  margin: 0 0 26px;
  max-width: 40em;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--news-body);
}

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

.page-news .news-track {
  display: grid;
  grid-template-columns: 1fr;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  border: var(--edge) solid var(--news-line-strong);
  background: var(--ink-800);
}

@media (min-width: 720px) {
  .page-news .news-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-news .news-track__node {
  position: relative;
  padding: 18px 16px 20px;
  border-bottom: 2px dashed var(--news-line);
}

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

@media (min-width: 720px) {
  .page-news .news-track__node {
    border-bottom: 0;
    border-right: 2px dashed var(--news-line);
  }

  .page-news .news-track__node:last-child {
    border-right: 0;
  }
}

.page-news .news-track__node.is-current {
  background: linear-gradient(180deg, rgba(53, 224, 208, .14), rgba(53, 224, 208, 0));
}

@media (min-width: 720px) {
  .page-news .news-track__node.is-current::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 3px;
    background: var(--cyan);
  }
}

.page-news .news-track__num {
  display: block;
  margin-bottom: 9px;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .16em;
  color: var(--stone);
}

.page-news .news-track__node.is-done .news-track__num {
  color: var(--moss);
}

.page-news .news-track__node.is-current .news-track__num {
  color: var(--cyan);
}

.page-news .news-track__name {
  display: block;
  margin-bottom: 7px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-news .news-track__note {
  display: block;
  font-size: .8125rem;
  line-height: 1.66;
  color: var(--stone);
}

.page-news .news-halves {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 720px) {
  .page-news .news-halves {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-news .news-half {
  padding: 18px;
  border: var(--edge) solid var(--news-line-strong);
  border-left: 4px solid var(--cyan);
  background: var(--ink-900);
}

.page-news .news-half--second {
  border-left-color: var(--amber);
}

.page-news .news-half__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-news .news-half--second .news-half__title {
  color: var(--amber);
}

.page-news .news-half p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--news-body);
}

/* ---------- 04 专题系列 ---------- */

.page-news .news-series {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 30px;
  align-items: start;
}

@media (min-width: 1000px) {
  .page-news .news-series {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-news .news-series__card--lg { grid-column: span 5; }
  .page-news .news-series__card--md { grid-column: span 4; }
  .page-news .news-series__card--sm { grid-column: span 3; }
}

.page-news .news-series__card {
  --series-accent: var(--cyan);
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 24px;
  border: var(--edge) solid var(--news-line-strong);
  border-top: 4px solid var(--series-accent);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
  transition: border-color var(--t-fast), background-color var(--t-fast);
}

.page-news .news-series__card--md { --series-accent: var(--amber); }
.page-news .news-series__card--sm { --series-accent: var(--moss); }

.page-news .news-series__card:hover {
  border-color: var(--cyan);
  background: var(--ink-700);
}

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

.page-news .news-series__title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.4;
  color: var(--paper);
}

.page-news .news-series__count {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 2.25rem;
  line-height: 1;
  color: var(--paper);
}

.page-news .news-series__unit {
  margin-left: 6px;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--stone);
}

.page-news .news-series__text {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--news-body-soft);
}

.page-news .news-series__figure {
  margin: 34px 0 0;
}

/* ---------- 05 回看方式 ---------- */

.page-news .news-recall {
  margin-top: 28px;
}

.page-news .news-recall__list,
.page-news .news-recall__aside {
  grid-column: 1 / -1;
  min-width: 0;
}

@media (min-width: 900px) {
  .page-news .news-recall__list { grid-column: span 7; }
  .page-news .news-recall__aside { grid-column: span 5; }
}

.page-news .news-recall__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--news-line-strong);
}

.page-news .news-recall__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 18px;
  padding: 20px 0 22px;
  border-bottom: 1px dashed var(--news-line);
}

.page-news .news-recall__num {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  line-height: 1.4;
  color: var(--cyan);
}

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

.page-news .news-recall__title {
  margin: 0 0 8px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--paper);
}

.page-news .news-recall__text p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--news-body);
}

.page-news .news-cta {
  padding: 22px 20px 24px;
  border: var(--edge) solid var(--cyan);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard-cyan);
}

.page-news .news-cta__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-news .news-cta__text {
  margin: 0 0 18px;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--news-body);
}

.page-news .news-cta .btn + .btn {
  margin-top: 10px;
}

.page-news .news-recall__foot {
  margin: 18px 0 0;
  font-size: .875rem;
  line-height: 1.8;
  color: var(--stone);
}

.page-news .news-recall__foot a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--t-fast);
}

.page-news .news-recall__foot a:hover,
.page-news .news-recall__foot a:focus-visible {
  color: var(--paper);
}

/* ---------- 图片与无障碍微调 ---------- */

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

.page-news .news-tags__figure .figure__img,
.page-news .news-cycle__figure .figure__img {
  width: 100%;
}

.page-news a:focus-visible,
.page-news button:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition-duration: .01ms !important;
  }
}