/* ===== 趋势观察页 · page-news ===== */
.page-news {
  --news-line: rgba(245, 241, 232, .10);
  --news-line-strong: rgba(245, 241, 232, .22);
  display: block;
}

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

/* ---------- 面包屑 ---------- */
.page-news .crumbs {
  padding-block: 1.15rem .25rem;
}

.page-news .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: .84rem;
}

.page-news .crumbs li:not(:last-child)::after {
  content: "/";
  margin-left: .45rem;
  color: var(--stone);
}

.page-news .crumbs a {
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-news .crumbs a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

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

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(1.25rem, 4vw, 2rem) clamp(2.5rem, 7vw, 5rem);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245, 241, 232, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 241, 232, .045) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: radial-gradient(125% 85% at 18% 0%, #000 18%, transparent 74%);
  mask-image: radial-gradient(125% 85% at 18% 0%, #000 18%, transparent 74%);
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  right: -20vw;
  top: -24vw;
  width: min(66vw, 780px);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 50% 50%, rgba(139, 92, 246, .26), rgba(224, 164, 88, .10) 46%, transparent 68%);
  pointer-events: none;
}

.page-news .news-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-news .news-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 7.2vw, 3.4rem);
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--cream);
  max-width: 20ch;
  margin: .55rem 0 1.35rem;
}

.page-news .news-hero__split {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  grid-template-columns: 1fr;
  align-items: start;
}

.page-news .news-hero__intro {
  margin: 0 0 1rem;
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--text);
  max-width: 56ch;
}

.page-news .news-hero__intro--dim {
  color: var(--text-dim);
  font-size: .95rem;
  margin-bottom: 0;
}

/* 章节预览索引 */
.page-news .hero-preview {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--news-line-strong);
}

.page-news .hero-preview__link {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .35rem .8rem;
  align-items: baseline;
  padding: .8rem .2rem .8rem 0;
  border-bottom: 1px solid var(--news-line);
  text-decoration: none;
  color: inherit;
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.page-news .hero-preview__link:hover {
  transform: translateX(6px);
  border-bottom-color: var(--amber);
}

.page-news .hero-preview__num {
  color: var(--amber);
  font-size: .78rem;
  letter-spacing: .1em;
}

.page-news .hero-preview__label {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--cream);
}

.page-news .hero-preview__note {
  grid-column: 2;
  color: var(--text-dim);
  font-size: .8rem;
}

/* 首屏图 */
.page-news .news-hero__figure {
  margin: clamp(2rem, 5vw, 3.25rem) 0 0;
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(140deg, rgba(31, 41, 51, .92), rgba(11, 26, 42, .92));
}

.page-news .news-hero__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-news .media__cap {
  margin: 0;
  padding: .7rem 1.05rem;
  font-size: .82rem;
  line-height: 1.6;
  color: var(--text-dim);
  border-top: 1px solid var(--news-line);
}

/* ---------- 通用分屏 ---------- */
.page-news .trend-section {
  padding-block: clamp(2.5rem, 6.5vw, 5rem);
  border-top: 1px solid var(--news-line);
}

.page-news .trend-section--quiet {
  background: linear-gradient(180deg, rgba(31, 41, 51, .42), rgba(11, 26, 42, 0));
}

.page-news .trend-section--edge {
  border-top: 1px solid var(--news-line-strong);
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

.page-news .trend-section--cta {
  border-top: 0;
  padding-top: clamp(1rem, 3vw, 1.5rem);
  padding-bottom: clamp(3rem, 8vw, 5.5rem);
}

.page-news .section-head {
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-news .eyebrow {
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.page-news .section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.45rem, 4.6vw, 2.15rem);
  line-height: 1.32;
  letter-spacing: -.01em;
  color: var(--cream);
  margin: .5rem 0 .85rem;
  max-width: 26ch;
}

.page-news .section-lead {
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text);
  max-width: 64ch;
}

/* ---------- 近期更新索引列表 ---------- */
.page-news .log {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--news-line-strong);
}

.page-news .log__item {
  position: relative;
  display: grid;
  gap: .5rem;
  padding: 1.1rem 0 1.2rem;
  border-bottom: 1px solid var(--news-line);
  transition: background .35s var(--ease), padding .35s var(--ease);
}

.page-news .log__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.1rem;
  bottom: 1.2rem;
  width: 2px;
  background: var(--amber);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .35s var(--ease);
}

.page-news .log__item:hover::before {
  transform: scaleY(1);
}

.page-news .log__item:hover {
  background: rgba(245, 241, 232, .035);
  padding-left: 14px;
  padding-right: 14px;
}

.page-news .log__tag {
  justify-self: start;
  align-self: center;
}

.page-news .log__title {
  margin: 0 0 .35rem;
  font-family: var(--font-serif);
  font-size: 1.06rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--cream);
}

.page-news .log__desc {
  margin: 0;
  font-size: .93rem;
  line-height: 1.75;
  color: rgba(245, 241, 232, .62);
  transition: color .3s var(--ease);
}

.page-news .log__item:hover .log__desc {
  color: var(--text);
}

.page-news .log__time {
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--text-dim);
  white-space: nowrap;
}

/* ---------- 厂商收录 ---------- */
.page-news .vendor-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.page-news .vendor-grid__fig {
  margin: 0;
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(150deg, rgba(31, 41, 51, .9), rgba(11, 26, 42, .85));
}

.page-news .vendor-grid__fig img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-news .vendor-grid__body p {
  margin: 0 0 1rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text);
  max-width: 58ch;
}

.page-news .facts {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-news .facts li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .8rem;
  align-items: baseline;
  padding: .8rem 0;
  border-top: 1px solid var(--news-line);
  font-size: .93rem;
  line-height: 1.7;
  color: var(--text);
}

.page-news .facts li:last-child {
  border-bottom: 1px solid var(--news-line);
}

.page-news .facts li::before {
  content: "—";
  font-family: var(--font-mono);
  color: var(--celadon);
}

.page-news .facts strong {
  color: var(--gold-soft);
  font-weight: 700;
  margin-right: .35rem;
}

/* ---------- 版本与规则 ---------- */
.page-news .rel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 2.75rem);
  align-items: start;
}

.page-news .rel-list {
  min-width: 0;
}

.page-news .rel-grid__fig {
  margin: 0;
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(150deg, rgba(31, 41, 51, .9), rgba(11, 26, 42, .85));
}

.page-news .rel-grid__fig img {
  display: block;
  width: 100%;
  aspect-ratio: 8 / 5;
  object-fit: cover;
}

.page-news .panel {
  border-bottom: 1px solid var(--news-line);
}

.page-news .panel:first-child {
  border-top: 1px solid var(--news-line-strong);
}

.page-news .panel summary {
  position: relative;
  display: block;
  padding: 1.05rem 2.4rem 1.05rem 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--cream);
  transition: color .3s var(--ease);
}

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

.page-news .panel summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--amber);
  transition: transform .3s var(--ease);
}

.page-news .panel[open] summary::after {
  content: "–";
}

.page-news .panel summary:hover {
  color: var(--amber);
}

.page-news .panel__body {
  padding: 0 0 1.25rem;
}

.page-news .panel__body p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--text);
  max-width: 58ch;
}

/* ---------- 移动端与指引 ---------- */
.page-news .mobile-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 5vw, 3rem);
  align-items: start;
}

.page-news .mobile-grid__body p {
  margin: 0 0 1rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text);
  max-width: 56ch;
}

.page-news .mobile-grid__fig {
  margin: 0;
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(160deg, rgba(31, 41, 51, .9), rgba(11, 26, 42, .85));
}

.page-news .mobile-grid__fig img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.page-news .steps {
  list-style: none;
  counter-reset: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: .9rem;
}

.page-news .steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .9rem;
  align-items: start;
  padding: 1rem 1.1rem 1.1rem;
  border: 1px solid var(--news-line);
  border-radius: var(--radius-sm);
  background: linear-gradient(150deg, rgba(31, 41, 51, .72), rgba(11, 26, 42, .5));
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.page-news .steps li:hover {
  transform: translateY(-3px);
  border-color: rgba(224, 164, 88, .55);
}

.page-news .steps__num {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--celadon);
  color: var(--ink);
  font-size: .8rem;
  font-weight: 700;
}

.page-news .steps__body h3 {
  margin: .1rem 0 .3rem;
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--cream);
}

.page-news .steps__body p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 专题 ---------- */
.page-news .topic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-news .topic-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding: 1.4rem 1.25rem 1.5rem;
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(31, 41, 51, .86), rgba(11, 26, 42, .6));
  text-decoration: none;
  color: inherit;
  transition: transform .35s var(--ease), border-color .35s var(--ease);
}

.page-news .topic-card::before {
  content: "";
  width: 38px;
  height: 3px;
  border-radius: 2px;
  background: var(--amber);
}

.page-news .topic-card:nth-child(2)::before {
  background: var(--celadon);
}

.page-news .topic-card:nth-child(3)::before {
  background: var(--clay);
}

.page-news .topic-card:nth-child(4)::before {
  background: var(--violet);
}

.page-news .topic-card:hover {
  transform: translateY(-5px);
  border-color: rgba(224, 164, 88, .6);
}

.page-news .topic-card__num {
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--text-dim);
}

.page-news .topic-card h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.12rem;
  color: var(--cream);
}

.page-news .topic-card p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.75;
  color: rgba(245, 241, 232, .66);
}

.page-news .topic-card__more {
  margin-top: auto;
  padding-top: .9rem;
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--amber);
}

.page-news .topic-card:hover .topic-card__more {
  color: var(--gold-soft);
}

/* ---------- 结尾指向 ---------- */
.page-news .news-cta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding: clamp(1.5rem, 4vw, 2.75rem);
  border: 1px solid var(--news-line-strong);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 140% at 92% 8%, rgba(139, 92, 246, .18), transparent 56%),
    linear-gradient(140deg, rgba(31, 41, 51, .9), rgba(11, 26, 42, .86));
}

.page-news .news-cta h2 {
  margin: 0 0 .7rem;
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 3.6vw, 1.7rem);
  line-height: 1.35;
  color: var(--cream);
}

.page-news .news-cta p {
  margin: 0;
  font-size: .96rem;
  line-height: 1.8;
  color: var(--text);
  max-width: 52ch;
}

.page-news .news-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  align-content: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-news .hero-preview__link {
    grid-template-columns: auto 1fr auto;
    align-items: baseline;
  }

  .page-news .hero-preview__note {
    grid-column: 3;
    text-align: right;
  }

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

@media (min-width: 800px) {
  .page-news .news-hero__split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-news .log__item {
    grid-template-columns: 128px minmax(0, 1fr) 104px;
    gap: 1.5rem;
    align-items: start;
    padding-top: 1.15rem;
    padding-bottom: 1.25rem;
  }

  .page-news .log__time {
    text-align: right;
    padding-top: .15rem;
  }

  .page-news .news-cta {
    grid-template-columns: minmax(0, 1.2fr) auto;
    align-items: center;
  }

  .page-news .news-cta__links {
    justify-content: flex-end;
  }
}

@media (min-width: 960px) {
  .page-news .vendor-grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  }

  .page-news .rel-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }

  .page-news .mobile-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }

  .page-news .mobile-grid__fig {
    margin-top: -2.75rem;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-news .hero-preview__link,
  .page-news .log__item,
  .page-news .steps li,
  .page-news .topic-card {
    transition: none;
  }

  .page-news .hero-preview__link:hover,
  .page-news .log__item:hover,
  .page-news .steps li:hover,
  .page-news .topic-card:hover {
    transform: none;
  }
}