.page-news {
  --news-line: rgba(201, 214, 223, 0.16);
  --news-line-strong: rgba(201, 214, 223, 0.30);
  --news-panel: rgba(11, 60, 93, 0.34);
  --news-panel-2: rgba(15, 91, 114, 0.30);
  --news-rail-w: 212px;
  padding-bottom: 80px;
  color: var(--c-scale);
}

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

.page-news .page-news__shell {
  padding-top: 4px;
}

.page-news .breadcrumb {
  margin-bottom: 20px;
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  padding: 36px 24px 40px;
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(0, 229, 204, 0.16), transparent 62%),
    radial-gradient(80% 70% at 6% 104%, rgba(255, 107, 53, 0.14), transparent 64%),
    linear-gradient(152deg, var(--c-deep) 0%, var(--c-ink) 64%, var(--c-ink-deep) 100%);
  overflow: hidden;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -60% 40%;
  height: 180px;
  background: radial-gradient(closest-side, rgba(0, 229, 204, 0.18), transparent 70%);
  pointer-events: none;
}

.page-news .news-hero__kicker {
  margin: 0 0 14px;
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--c-cyan);
}

.page-news .news-hero h1 {
  margin: 0 0 18px;
  max-width: 20em;
  font-family: var(--font-cjk);
  font-weight: 900;
  font-size: clamp(30px, 7.4vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--c-fog);
}

.page-news .news-hero__lead {
  margin: 0 0 30px;
  max-width: 46em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-scale);
}

.page-news .news-hero__metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 16px;
}

.page-news .metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 14px;
  border-left: 2px solid var(--c-cyan);
}

.page-news .metric--hot {
  border-left-color: var(--c-orange);
}

.page-news .metric__num {
  font-family: var(--font-num);
  font-size: 30px;
  line-height: 1.05;
  color: var(--c-cyan);
  letter-spacing: 0.01em;
}

.page-news .metric--hot .metric__num {
  color: var(--c-orange);
}

.page-news .metric__unit {
  font-size: 0.6em;
  margin-left: 2px;
}

.page-news .metric__label {
  font-size: 13px;
  color: var(--c-mist);
  letter-spacing: 0.04em;
}

/* ---------- 布局：左目录 + 右主列 ---------- */

.page-news .news-layout {
  display: block;
  margin-top: 56px;
}

.page-news .news-rail {
  margin-bottom: 40px;
}

.page-news .news-rail__title {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.24em;
  color: var(--c-mist);
}

.page-news .news-rail__list {
  display: flex;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .news-rail__link {
  display: inline-block;
  white-space: nowrap;
  padding: 6px 12px;
  border: 1px solid var(--news-line);
  border-radius: 999px;
  font-size: 14px;
  color: var(--c-scale);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .news-rail__link:hover,
.page-news .news-rail__link:focus-visible {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
  background: rgba(0, 229, 204, 0.08);
}

.page-news .news-rail__cta {
  display: inline-block;
  font-size: 14px;
}

/* ---------- 通用章节 ---------- */

.page-news .news-section {
  margin-top: 72px;
  padding-top: 28px;
  border-top: 1px solid var(--news-line);
}

.page-news .news-section:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-news .news-section__note {
  margin: 10px 0 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-news .news-section a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 204, 0.4);
}

.page-news .news-section a:hover {
  border-bottom-color: var(--c-cyan);
}

/* ---------- 本期导读 ---------- */

.page-news .news-digest__grid {
  display: block;
  margin-top: 24px;
}

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

.page-news .news-digest__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--news-line);
  filter: saturate(0.92);
}

.page-news .news-digest__figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-news .news-digest__text p {
  margin: 0 0 22px;
  font-size: 17px;
  line-height: 1.8;
  color: var(--c-scale);
}

.page-news .news-picks {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-news .news-picks__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--news-line);
}

.page-news .news-picks__num {
  font-family: var(--font-num);
  font-size: 20px;
  color: var(--c-cyan);
  line-height: 1.3;
}

.page-news .news-picks__title {
  margin: 0 0 4px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-fog);
}

.page-news .news-picks__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist);
}

/* ---------- 案例合集 ---------- */

.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 4px;
}

.page-news .news-panel {
  margin-top: 8px;
}

.page-news .news-case {
  display: grid;
  gap: 8px 20px;
  padding: 18px 4px;
  border-top: 1px solid var(--news-line);
  transition: background var(--dur) var(--ease);
}

.page-news .news-case:last-of-type {
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-case:hover {
  background: rgba(15, 91, 114, 0.24);
}

.page-news .news-case__num {
  font-family: var(--font-num);
  font-size: 16px;
  letter-spacing: 0.06em;
  color: var(--c-mist);
}

.page-news .news-case__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--c-fog);
}

.page-news .news-case__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
}

.page-news .news-case__result {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-scale);
}

.page-news .news-case__save {
  justify-self: start;
  padding: 4px 12px;
  font-family: var(--font-cjk);
  font-size: 13px;
  color: var(--c-cyan-2);
  background: transparent;
  border: 1px solid var(--news-line-strong);
  border-radius: 999px;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .news-case__save:hover,
.page-news .news-case__save:focus-visible {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
}

.page-news .tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  background: rgba(127, 227, 218, 0.14);
  color: var(--c-cyan-2);
  font-size: 13px;
  line-height: 1.65;
  white-space: nowrap;
}

.page-news .tag--gold {
  background: rgba(217, 164, 65, 0.16);
  color: var(--c-gold);
}

.page-news .news-panel__more {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-mist);
}

/* ---------- 专题系列 ---------- */

.page-news .news-features {
  display: grid;
  gap: 20px;
  margin-top: 26px;
}

.page-news .news-feature {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(11, 60, 93, 0.52), rgba(6, 31, 47, 0.72));
  overflow: hidden;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-feature:hover {
  transform: translateY(-4px);
  border-color: var(--news-line-strong);
}

.page-news .news-feature--notch {
  clip-path: polygon(28px 0, 100% 0, 100% 100%, 0 100%, 0 28px);
}

.page-news .news-feature__img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.9) brightness(0.94);
}

.page-news .news-feature__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 20px 22px;
}

.page-news .news-feature__meta {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-mist);
}

.page-news .news-feature__meta .num {
  font-family: var(--font-num);
  font-size: 18px;
  color: var(--c-cyan);
  margin-right: 2px;
}

.page-news .news-feature__title {
  margin: 0;
  font-size: 22px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--c-fog);
}

.page-news .news-feature__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-scale);
}

.page-news .news-feature__recent {
  margin: 4px 0 0;
  padding: 12px 0 0;
  list-style: none;
  border-top: 1px solid var(--news-line);
  display: grid;
  gap: 8px;
}

.page-news .news-feature__recent li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-mist);
}

.page-news .news-feature__recent li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-cyan-2);
}

.page-news .news-feature--plain {
  background: linear-gradient(160deg, rgba(15, 91, 114, 0.42), rgba(4, 15, 23, 0.72));
}

.page-news .news-feature--bar {
  background: linear-gradient(100deg, rgba(255, 107, 53, 0.14), rgba(6, 31, 47, 0.78) 46%);
}

/* ---------- 版本与更新 ---------- */

.page-news .news-vers {
  margin-top: 24px;
}

.page-news .news-ver {
  border-top: 1px solid var(--news-line);
  padding: 18px 0;
}

.page-news .news-ver:last-of-type {
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-ver__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 4px 16px;
  list-style: none;
  cursor: pointer;
}

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

.page-news .news-ver__num {
  font-family: var(--font-num);
  font-size: 30px;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--c-cyan);
}

.page-news .news-ver__name {
  font-size: 17px;
  font-weight: 700;
  color: var(--c-fog);
}

.page-news .news-ver__when {
  grid-column: 1 / -1;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-mist);
}

.page-news .news-ver[open] .news-ver__num {
  color: var(--c-orange);
}

.page-news .news-ver__list {
  margin: 16px 0 4px;
  padding-left: 18px;
  display: grid;
  gap: 10px;
}

.page-news .news-ver__list li {
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-scale);
}

.page-news .news-vers__foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-mist);
}

/* ---------- 标签索引 ---------- */

.page-news .news-tags {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.page-news .news-tags__group {
  padding: 16px 18px;
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  background: var(--news-panel);
}

.page-news .news-tags__label {
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-fog);
}

.page-news .news-tags__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}

.page-news .news-tags__foot {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-mist);
}

/* ---------- 订阅与收藏 ---------- */

.page-news .news-sub__grid {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.page-news .news-sub__card {
  padding: 22px 20px;
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  background: var(--news-panel);
}

.page-news .news-sub__card--hot {
  border-color: rgba(255, 107, 53, 0.42);
  background: linear-gradient(150deg, rgba(255, 107, 53, 0.14), rgba(6, 31, 47, 0.7));
}

.page-news .news-sub__title {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--c-fog);
}

.page-news .news-sub__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-scale);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-news .news-hero {
    padding: 48px 40px 52px;
  }

  .page-news .news-hero__metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

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

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

  .page-news .news-sub__card--hot {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-news .news-digest__grid {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 44px;
    align-items: start;
  }

  .page-news .news-digest__figure {
    margin-bottom: 0;
  }

  .page-news .news-features {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 22px;
  }

  .page-news .news-feature--xl {
    grid-column: span 4;
  }

  .page-news .news-feature--sm {
    grid-column: span 2;
  }

  .page-news .news-feature--plain {
    grid-column: span 2;
  }

  .page-news .news-feature--wide {
    grid-column: span 4;
  }

  .page-news .news-feature--bar {
    grid-column: span 6;
  }

  .page-news .news-feature--xl,
  .page-news .news-feature--wide {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-news .news-feature--xl .news-feature__img,
  .page-news .news-feature--wide .news-feature__img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 260px;
  }

  .page-news .news-feature--bar .news-feature__body {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 8px 32px;
    align-items: start;
  }

  .page-news .news-feature--bar .news-feature__meta,
  .page-news .news-feature--bar .news-feature__title,
  .page-news .news-feature--bar .news-feature__desc {
    grid-column: 1;
  }

  .page-news .news-feature--bar .news-feature__recent {
    grid-column: 2;
    grid-row: 1 / span 4;
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
    border-left: 1px solid var(--news-line);
    padding-left: 24px;
  }

  .page-news .news-case {
    grid-template-columns: 52px minmax(0, 1.3fr) 190px minmax(0, 1.1fr) auto;
    align-items: baseline;
    gap: 8px 20px;
  }

  .page-news .news-ver__head {
    grid-template-columns: 110px minmax(0, 1fr) auto;
    gap: 16px;
  }

  .page-news .news-ver__when {
    grid-column: 3;
    justify-self: end;
  }

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

  .page-news .news-sub__card--hot {
    grid-column: auto;
  }

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

@media (hover: hover) and (min-width: 900px) {
  .page-news .news-feature__recent {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    padding-top: 0;
    border-top-color: transparent;
    transition: max-height var(--dur-slow) var(--ease), opacity var(--dur-slow) var(--ease),
      padding-top var(--dur-slow) var(--ease), border-color var(--dur-slow) var(--ease);
  }

  .page-news .news-feature:hover .news-feature__recent,
  .page-news .news-feature:focus-within .news-feature__recent {
    max-height: 260px;
    opacity: 1;
    padding-top: 12px;
    border-top-color: var(--news-line);
  }

  .page-news .news-feature--bar .news-feature__recent {
    max-height: none;
    opacity: 1;
    border-top: 0;
  }
}

@media (min-width: 1080px) {
  .page-news .news-layout {
    display: grid;
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
    margin-top: 64px;
  }

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    margin-bottom: 0;
  }

  .page-news .news-rail__list {
    flex-direction: column;
    overflow: visible;
    gap: 4px;
    padding-bottom: 0;
  }

  .page-news .news-rail__link {
    display: block;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 6px 0 6px 12px;
  }

  .page-news .news-rail__link:hover,
  .page-news .news-rail__link:focus-visible {
    background: transparent;
    border-left-color: var(--c-cyan);
  }

  .page-news .news-rail__cta {
    margin-top: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-feature,
  .page-news .news-case,
  .page-news .news-rail__link,
  .page-news .news-feature__recent {
    transition: opacity 120ms linear, border-color 120ms linear, color 120ms linear;
  }

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