/* ============================================================
   趋势观察 /trends/ —— 期号轨道 + 更新日志时间轴
   作用域：.page-news
   ============================================================ */

.page-news {
  --news-rail-w: 5.5rem;
  --news-indent: 1.75rem;
  --news-dot: 12px;
}

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

/* ---------- 面包屑 ---------- */
.page-news .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .04em;
  color: var(--c-muted);
}

.page-news .crumbs li {
  display: flex;
  align-items: center;
  gap: .45rem;
}

.page-news .crumbs li + li::before {
  content: "/";
  color: var(--c-line);
}

.page-news .crumbs a {
  color: var(--c-muted);
  text-decoration: none;
  transition: color 140ms var(--ease);
}

.page-news .crumbs a:hover,
.page-news .crumbs a:focus-visible {
  color: var(--c-gold-lt);
}

.page-news .crumbs a[aria-current="page"] {
  color: var(--c-text);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero__grid {
  display: grid;
  gap: var(--gap);
}

.page-news .news-hero__lead h1 {
  margin: 0 0 1rem;
  font-family: var(--font-head);
  font-size: clamp(2rem, 7.2vw, 3.4rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--c-text);
  max-width: 20ch;
}

.page-news .news-hero__lede {
  margin: 0 0 1.75rem;
  max-width: 52ch;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--c-muted);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin: 0;
}

.page-news .news-hero__figure {
  position: relative;
  margin: 0;
  border: 2px solid var(--c-line);
  background: var(--c-mid);
  box-shadow: var(--shadow-hard-lg);
  overflow: hidden;
}

.page-news .news-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-news .news-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(16, 22, 58, .08) 0%, rgba(58, 43, 94, .48) 100%);
  pointer-events: none;
}

/* ---------- 区块标题行 ---------- */
.page-news .news-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: .6rem 1.5rem;
  border-bottom: 2px solid var(--c-line);
  padding-bottom: .9rem;
  margin-bottom: 1.75rem;
}

.page-news .news-head__main {
  flex: 1 1 16rem;
  min-width: 0;
}

.page-news .news-head h2 {
  margin: .4rem 0 0;
  font-family: var(--font-head);
  font-size: clamp(1.35rem, 3.6vw, 2rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--c-text);
}

.page-news .news-head .section__suffix {
  margin: 0 0 .15rem;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .04em;
  color: var(--c-muted);
}

/* ---------- 本期摘要 ---------- */
.page-news .news-current__body {
  display: grid;
  gap: var(--gap);
}

.page-news .news-current__main {
  padding: clamp(1.1rem, 2.8vw, 1.75rem);
}

.page-news .news-current__main p {
  margin: 0 0 1em;
  max-width: 60ch;
  font-size: .9688rem;
  line-height: 1.85;
  color: var(--c-text);
}

.page-news .news-current__main p:last-child {
  margin-bottom: 0;
}

.page-news .news-current__main p:first-child::first-letter {
  font-size: 1.05em;
  color: var(--c-gold-lt);
}

.page-news .news-current__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-stat {
  border: 2px solid var(--c-line);
  background: rgba(27, 36, 80, .72);
  padding: .9rem 1rem 1rem;
  transition: border-color 140ms var(--ease);
}

.page-news .news-stat:hover {
  border-color: var(--c-gold);
}

.page-news .news-stat__num {
  display: block;
  font-size: 1.875rem;
  line-height: 1.05;
  color: var(--c-gold);
}

.page-news .news-stat__label {
  display: block;
  margin-top: .4rem;
  font-size: .8125rem;
  letter-spacing: .04em;
  color: var(--c-muted);
}

/* ---------- 更新日志时间轴 ---------- */
.page-news .news-timeline {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1.1rem;
}

.page-news .news-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: .9rem;
  bottom: .9rem;
  width: 2px;
  background: var(--c-line);
}

.page-news .news-timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .5rem;
  padding-left: var(--news-indent);
}

.page-news .news-timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .5rem;
  width: var(--news-dot);
  height: var(--news-dot);
  border-radius: 50%;
  background: var(--c-gold);
  box-shadow: 0 0 0 4px rgba(216, 166, 74, .18);
  transition: box-shadow 200ms var(--ease);
}

.page-news .news-timeline__item:hover::before {
  box-shadow: 0 0 0 7px rgba(216, 166, 74, .28);
}

.page-news .news-timeline__rail {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  margin-bottom: .1rem;
}

.page-news .news-timeline__no {
  font-size: 1.5rem;
  line-height: 1;
  color: var(--c-text);
}

.page-news .news-timeline__entry {
  padding: 1rem 1.1rem 1.15rem;
}

.page-news .news-timeline__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin: 0 0 .6rem;
}

.page-news .news-timeline__ver {
  font-size: .8125rem;
  color: var(--c-muted);
}

.page-news .news-timeline__entry h3 {
  margin: 0 0 .5rem;
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--c-text);
}

.page-news .news-timeline__entry > p {
  margin: 0;
  max-width: 58ch;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-news .news-timeline__more {
  margin-top: .95rem;
  padding-top: .75rem;
  border-top: 1px solid var(--c-line);
}

.page-news .news-timeline__more summary {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .04em;
  color: var(--c-gold);
  transition: color 140ms var(--ease);
}

.page-news .news-timeline__more summary::-webkit-details-marker {
  display: none;
}

.page-news .news-timeline__more summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: .95rem;
  line-height: 1;
}

.page-news .news-timeline__more[open] summary::before {
  content: "\2212";
}

.page-news .news-timeline__more summary:hover {
  color: var(--c-gold-lt);
}

.page-news .news-timeline__more summary:focus-visible {
  outline: 2px solid var(--c-gold-lt);
  outline-offset: 3px;
}

.page-news .news-timeline__more ul {
  margin: .8rem 0 0;
  padding-left: 1.1rem;
  display: grid;
  gap: .45rem;
}

.page-news .news-timeline__more li {
  font-size: .9rem;
  line-height: 1.75;
  color: var(--c-muted);
}

.page-news .news-timeline__more li::marker {
  color: var(--c-gold);
}

/* ---------- 专题带 ---------- */
.page-news .news-feature__band {
  display: grid;
  gap: var(--gap);
  padding: clamp(1.2rem, 3.2vw, 2.4rem);
  border: 2px solid var(--c-line);
  background: var(--grad-dusk);
  box-shadow: var(--shadow-hard-lg);
}

.page-news .news-feature__text h2 {
  margin: .4rem 0 .85rem;
  font-family: var(--font-head);
  font-size: clamp(1.3rem, 3.6vw, 1.9rem);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -.02em;
  color: var(--c-text);
}

.page-news .news-feature__text p {
  margin: 0 0 1em;
  max-width: 50ch;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--c-muted);
}

.page-news .news-feature__count {
  color: var(--c-gold-lt);
  font-size: .9375rem;
}

.page-news .news-feature__links {
  margin: .35rem 0 0;
}

.page-news .news-feature__figure {
  margin: 0;
  border: 2px solid var(--c-line);
  background: var(--c-deep);
  overflow: hidden;
}

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

/* ---------- 玩法观察笔记 ---------- */
.page-news .news-notes__grid {
  display: grid;
  gap: var(--gap);
}

.page-news .news-notes__figure {
  margin: 0;
  border: 2px solid var(--c-line);
  background: var(--c-mid);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

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

.page-news .news-notes__list {
  display: grid;
  gap: .85rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-note {
  padding: .95rem 1.1rem 1.05rem;
  border-left: 3px solid var(--c-purple);
  background: rgba(27, 36, 80, .62);
  transition: border-color 140ms var(--ease), background-color 140ms var(--ease);
}

.page-news .news-note:hover {
  border-left-color: var(--c-gold);
  background: rgba(27, 36, 80, .95);
}

.page-news .news-note h3 {
  margin: 0 0 .45rem;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-text);
}

.page-news .news-note p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--c-muted);
}

/* ---------- 往期归档 ---------- */
.page-news .news-archive__ways {
  display: grid;
  gap: var(--gap);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-way {
  padding-left: 1rem;
  border-left: 2px solid var(--c-line);
  transition: border-color 140ms var(--ease);
}

.page-news .news-way:hover {
  border-left-color: var(--c-gold);
}

.page-news .news-way__idx {
  display: block;
  margin-bottom: .5rem;
  font-size: .8125rem;
  letter-spacing: .04em;
  color: var(--c-gold);
}

.page-news .news-way h3 {
  margin: 0 0 .45rem;
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--c-text);
}

.page-news .news-way p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-news .news-archive__figure {
  width: 100%;
  margin: 1.75rem 0 0;
  border: 2px solid var(--c-line);
  background: var(--c-mid);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

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

/* ---------- 收尾引导 ---------- */
.page-news .news-callout__inner {
  display: grid;
  gap: var(--gap);
  padding: clamp(1.1rem, 2.8vw, 1.9rem);
}

.page-news .news-callout__inner h2 {
  margin: .4rem 0 .7rem;
  font-family: var(--font-head);
  font-size: clamp(1.25rem, 3.4vw, 1.7rem);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -.02em;
  color: var(--c-text);
}

.page-news .news-callout__inner p {
  margin: 0;
  max-width: 56ch;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--c-muted);
}

.page-news .news-callout__links {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin: 0;
  max-width: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 48rem) {
  .page-news .news-archive__ways {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 60rem) {
  .page-news {
    --news-indent: 2.25rem;
  }

  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    align-items: end;
    gap: clamp(1.5rem, 3.5vw, 3rem);
  }

  .page-news .news-current__body {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .9fr);
    align-items: start;
    gap: 1.5rem;
  }

  .page-news .news-timeline__item {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: 1.5rem;
    align-items: start;
  }

  .page-news .news-timeline__rail {
    flex-direction: column;
    align-items: flex-end;
    gap: .45rem;
    padding-top: .1rem;
  }

  .page-news .news-timeline__no {
    font-size: 2.125rem;
  }

  .page-news .news-timeline__item::before {
    top: .55rem;
  }

  .page-news .news-feature__band {
    grid-template-columns: minmax(0, 1fr) minmax(0, .78fr);
    align-items: center;
    gap: 2.5rem;
  }

  .page-news .news-notes__grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    align-items: start;
    gap: 2rem;
  }

  .page-news .news-callout__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 2rem;
  }
}

@media (min-width: 78rem) {
  .page-news .news-timeline::before {
    left: calc(var(--news-rail-w) + 5px);
  }

  .page-news .news-timeline__item {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    padding-left: calc(var(--news-rail-w) + 2rem);
    gap: 1.75rem;
  }

  .page-news .news-timeline__item::before {
    left: var(--news-rail-w);
  }

  .page-news .news-timeline__rail {
    position: absolute;
    left: 0;
    top: 0;
    width: calc(var(--news-rail-w) - .5rem);
    align-items: flex-end;
  }
}

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