.page-news {
  --news-soft: #BFD2E2;
  --news-body: #4C6175;
  --news-line: rgba(168, 238, 245, 0.16);
  --news-hair: rgba(51, 70, 92, 0.12);
  --news-amber: #B87716;
  display: block;
}

.page-news .block {
  position: relative;
  padding: 56px 0;
}

.page-news .block--hero {
  padding-top: 104px;
  padding-bottom: 48px;
  color: var(--mist-50);
  background:
    radial-gradient(900px 380px at 10% -12%, rgba(46, 211, 224, 0.20), transparent 62%),
    radial-gradient(680px 300px at 94% 6%, rgba(232, 163, 61, 0.14), transparent 66%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-700) 100%);
  overflow: hidden;
}

.page-news .block--hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(168, 238, 245, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168, 238, 245, 0.07) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: radial-gradient(circle at 28% 18%, #000 0%, transparent 72%);
  mask-image: radial-gradient(circle at 28% 18%, #000 0%, transparent 72%);
}

.page-news .block--hero .container {
  position: relative;
  z-index: 1;
}

.page-news .block--mist { background: var(--mist-50); }
.page-news .block--white { background: #ffffff; }

.page-news .block--ink {
  background:
    radial-gradient(700px 320px at 88% 0%, rgba(46, 211, 224, 0.12), transparent 66%),
    linear-gradient(160deg, var(--ink-900) 0%, var(--ink-700) 100%);
  color: var(--mist-50);
}

.page-news .block--cta {
  background: linear-gradient(135deg, var(--ink-700) 0%, var(--ink-900) 100%);
  color: var(--mist-50);
}

.page-news .block--cta .btn--ghost {
  color: var(--mist-50);
  border-color: rgba(244, 247, 250, 0.4);
}

.page-news .breadcrumb {
  margin-bottom: 26px;
  font-size: 13px;
  color: var(--slate-400);
}

.page-news .breadcrumb__item a {
  color: var(--cyan-200);
  text-decoration: none;
}

.page-news .breadcrumb__item a:hover {
  color: var(--cyan-400);
}

.page-news .breadcrumb__sep {
  margin: 0 8px;
  color: rgba(124, 143, 163, 0.7);
}

.page-news .eyebrow {
  display: inline-block;
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--cyan-400);
}

.page-news .block--mist .eyebrow,
.page-news .block--white .eyebrow {
  color: var(--news-amber);
}

.page-news h1 {
  margin: 0 0 20px;
  font-size: clamp(30px, 7.2vw, 52px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
  max-width: 18em;
}

.page-news .page-news__lede {
  margin: 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--news-soft);
}

.page-news .caps {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.page-news .caps__link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(168, 238, 245, 0.28);
  color: #D6E7F2;
  font-size: 14px;
  text-decoration: none;
  transition: background var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}

.page-news .caps__link:hover {
  background: rgba(46, 211, 224, 0.16);
  border-color: var(--cyan-400);
  transform: translateY(-2px);
}

.page-news .caps__link.is-current {
  background: var(--cyan-400);
  border-color: var(--cyan-400);
  color: var(--ink-900);
  font-weight: 700;
}

.page-news .herofig {
  margin: 40px 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--news-line);
  box-shadow: var(--shadow-soft);
  background: var(--ink-700);
}

.page-news .herofig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 12 / 5;
}

.page-news .blockhead {
  max-width: 780px;
}

.page-news .blockhead h2 {
  margin: 0 0 14px;
  font-size: 26px;
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-news .block--ink .blockhead h2,
.page-news .block--ink .split__main h2 {
  color: var(--mist-50);
}

.page-news .blockhead__note,
.page-news .split__lede {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--news-body);
}

.page-news .split__lede {
  color: var(--news-soft);
  max-width: 46ch;
  margin-top: 4px;
}

.page-news .blockhead__note a,
.page-news .cases__foot a {
  color: var(--ink-500);
  text-decoration: none;
  border-bottom: 2px solid var(--cyan-400);
}

.page-news .blockhead__note a:hover,
.page-news .cases__foot a:hover {
  color: var(--cyan-400);
}

/* ---------- 层叠目录：索引 / 条目 / 延伸 ---------- */
.page-news .journal {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 30px;
}

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

.page-news .rail__title {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--slate-400);
}

.page-news .rail__list {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-news .rail__link {
  display: inline-block;
  white-space: nowrap;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: 14px;
  color: var(--slate-700);
  text-decoration: none;
  transition: background var(--dur) var(--ease-out), color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}

.page-news .rail__link:hover {
  background: rgba(46, 211, 224, 0.12);
  color: var(--ink-900);
}

.page-news .rail__link.is-current {
  background: rgba(46, 211, 224, 0.2);
  border-color: var(--cyan-400);
  color: var(--ink-900);
  font-weight: 700;
}

.page-news .rail__foot {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--slate-400);
}

.page-news .stream {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-news .stream::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, rgba(46, 211, 224, 0.7), rgba(51, 70, 92, 0.18) 62%, transparent);
}

.page-news .stream__item {
  position: relative;
  padding: 0 0 18px 26px;
}

.page-news .stream__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--mist-50);
  border: 2px solid var(--cyan-400);
  transition: background var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}

.page-news .stream__item:hover::before {
  background: var(--amber-500);
  border-color: var(--amber-500);
}

.page-news .stream__body {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: transparent;
  transition: background var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}

.page-news .stream__item:hover .stream__body,
.page-news .stream__item:focus-within .stream__body {
  background: #ffffff;
  box-shadow: var(--shadow-card);
  transform: translateX(3px);
}

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

.page-news .stream__time {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--slate-400);
}

.page-news .stream__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-news .stream__excerpt {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--news-body);
}

.page-news .side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-news .side__card {
  padding: 20px;
  border-radius: var(--radius-lg);
  background: #ffffff;
  border: 1px solid var(--news-hair);
  box-shadow: var(--shadow-card);
}

.page-news .side__card--figure {
  background: linear-gradient(150deg, var(--ink-700) 0%, var(--ink-500) 100%);
  color: var(--mist-50);
  border-color: transparent;
}

.page-news .side__figure {
  margin: 0;
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  color: var(--amber-200);
  letter-spacing: -0.02em;
}

.page-news .side__label {
  margin: 10px 0 6px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ink-900);
}

.page-news .side__card--figure .side__label {
  color: var(--cyan-200);
}

.page-news .side__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--news-body);
}

.page-news .side__card--figure .side__text {
  color: var(--news-soft);
}

.page-news .side__links {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.page-news .side__links li + li {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--news-hair);
}

.page-news .side__links a {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-500);
  text-decoration: none;
  transition: color var(--dur) var(--ease-out);
}

.page-news .side__links a:hover {
  color: var(--cyan-400);
}

/* ---------- 案例拆解 ---------- */
.page-news .cases {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 30px;
}

.page-news .case {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--mist-50);
  border: 1px solid var(--news-hair);
  box-shadow: var(--shadow-card);
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}

.page-news .case:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}

.page-news .case__title {
  margin: 14px 0 0;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--ink-900);
}

.page-news .case__rows {
  margin: 16px 0 0;
}

.page-news .case__row + .case__row {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--news-hair);
}

.page-news .case__row dt {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--news-amber);
}

.page-news .case__row dd {
  margin: 6px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--news-body);
}

.page-news .cases__foot {
  margin: 28px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--news-hair);
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--news-body);
}

/* ---------- 行业观察 ---------- */
.page-news .split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-news .split__main h2 {
  margin: 0 0 14px;
  font-size: 26px;
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-news .obs {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}

.page-news .obs__item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 18px 0;
  border-top: 1px solid var(--news-line);
}

.page-news .obs__num {
  font-size: 15px;
  font-weight: 700;
  color: var(--amber-500);
  letter-spacing: 0.06em;
}

.page-news .obs__title {
  margin: 0 0 6px;
  font-size: 16.5px;
  font-weight: 800;
  color: var(--mist-50);
}

.page-news .obs__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--news-soft);
}

.page-news .split__fig {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--news-line);
  background: var(--ink-700);
}

.page-news .split__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 10 / 7;
}

.page-news .split__fig figcaption {
  padding: 12px 16px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate-400);
  background: rgba(7, 21, 40, 0.6);
}

/* ---------- 版本记录 ---------- */
.page-news .vergrid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 30px;
}

.page-news .verlist {
  display: grid;
  gap: 4px;
}

.page-news .ver {
  position: relative;
  padding: 18px 0 18px 24px;
  border-left: 1px solid rgba(51, 70, 92, 0.18);
}

.page-news .ver::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 24px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan-400);
}

.page-news .ver__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 8px;
  flex-wrap: wrap;
}

.page-news .ver__num {
  font-size: 20px;
  font-weight: 700;
  color: var(--news-amber);
  letter-spacing: 0.02em;
}

.page-news .ver__time {
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--slate-400);
}

.page-news .ver__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  color: var(--ink-900);
}

.page-news .ver__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--news-body);
}

.page-news .ver__impact {
  margin: 10px 0 0;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  background: rgba(46, 211, 224, 0.1);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-500);
}

.page-news .verfig {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--news-hair);
  background: #ffffff;
  box-shadow: var(--shadow-card);
}

.page-news .verfig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 5 / 3;
}

.page-news .verfig figcaption {
  padding: 12px 16px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate-400);
}

/* ---------- 专题系列 ---------- */
.page-news .series {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: 30px;
}

.page-news .series__feature {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(165deg, var(--ink-700) 0%, var(--ink-900) 100%);
  color: var(--mist-50);
}

.page-news .series__feature img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-news .series__body {
  padding: 22px 24px 26px;
}

.page-news .series__title {
  margin: 0 0 10px;
  font-size: 22px;
  font-weight: 900;
  color: var(--mist-50);
}

.page-news .series__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--news-soft);
}

.page-news .series__meta {
  margin: 14px 0 0;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--amber-200);
}

.page-news .series__list {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-news .series__item {
  padding: 20px 22px;
  border-radius: var(--radius-lg);
  background: var(--mist-50);
  border: 1px solid var(--news-hair);
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}

.page-news .series__item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.page-news .series__item--callout {
  background: linear-gradient(140deg, rgba(168, 238, 245, 0.4) 0%, rgba(247, 223, 174, 0.45) 100%);
  border-color: rgba(232, 163, 61, 0.35);
}

.page-news .series__item-title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  color: var(--ink-900);
}

.page-news .series__item-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--slate-700);
}

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

.page-news .series__cta {
  margin: 16px 0 0;
}

/* ---------- 结尾行动区 ---------- */
.page-news .cta__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-news .cta__inner h2 {
  margin: 0 0 12px;
  font-size: 24px;
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--mist-50);
}

.page-news .cta__text {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--news-soft);
}

.page-news .cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 768px) {
  .page-news .block { padding: 84px 0; }

  .page-news .block--hero {
    padding-top: 130px;
    padding-bottom: 64px;
  }

  .page-news .blockhead h2,
  .page-news .split__main h2 { font-size: 32px; }

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

  .page-news .cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 40px;
  }

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

@media (min-width: 1024px) {
  .page-news .block--hero { padding-top: 152px; }

  .page-news .journal {
    grid-template-columns: 168px minmax(0, 1fr) 264px;
    gap: 36px;
    align-items: start;
  }

  .page-news .rail {
    position: sticky;
    top: 104px;
    border-top: none;
    border-left: 1px solid var(--news-hair);
    padding: 4px 0 0 16px;
  }

  .page-news .rail__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }

  .page-news .rail__link {
    width: 100%;
    border-radius: var(--radius-md);
  }

  .page-news .side { position: sticky; top: 104px; }

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

  .page-news .split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 48px;
  }

  .page-news .split__fig { position: sticky; top: 104px; }

  .page-news .vergrid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: 48px;
  }

  .page-news .series {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 28px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .caps__link,
  .page-news .stream__body,
  .page-news .case,
  .page-news .series__item,
  .page-news .rail__link {
    transition: none;
  }
}