.page-news {
  --n-accent: #FF4D00;
  --n-amber: #FFB300;
  --n-card-bg: rgba(59, 31, 75, 0.5);
  --n-border: rgba(248, 249, 250, 0.14);
  --n-border-soft: rgba(248, 249, 250, 0.09);
  --n-grid: rgba(248, 249, 250, 0.06);
  --n-dim: rgba(229, 224, 216, 0.72);
  position: relative;
  background: #1A0B2E;
}

/* 全局共享类的页面级微调 */
.page-news .tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  font-weight: 700;
}

.page-news .section-header {
  margin-bottom: 26px;
}

.page-news .section-index {
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}

/* ---------- 顶部横幅 ---------- */
.page-news__hero {
  position: relative;
  overflow: hidden;
  padding: 30px 0 72px;
  background: linear-gradient(140deg, rgba(255, 77, 0, 0.12), transparent 45%), #1A0B2E;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 40px), 0 100%);
}

.page-news__hero::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -40px;
  bottom: -80px;
  left: -40px;
  background:
    radial-gradient(circle at 76% 24%, rgba(255, 77, 0, 0.2), transparent 56%),
    linear-gradient(rgba(248, 249, 250, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(248, 249, 250, 0.05) 1px, transparent 1px);
  background-size: auto, 40px 40px, 40px 40px;
  transform: skewY(-1.8deg);
  pointer-events: none;
}

.page-news__hero .container {
  position: relative;
  z-index: 1;
}

.page-news .breadcrumb {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-sub);
  margin-bottom: 20px;
}

.page-news .breadcrumb a {
  color: var(--color-text-sub);
  text-decoration: none;
}

.page-news .breadcrumb a:hover {
  color: var(--color-accent);
}

.page-news .breadcrumb-sep {
  margin: 0 8px;
  opacity: 0.6;
}

.page-news__hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

.page-news__kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  border-left: 2px solid var(--color-accent);
  padding-left: 10px;
  margin-bottom: 14px;
}

.page-news__hero h1 {
  font-family: var(--font-title);
  font-size: clamp(34px, 6vw, 52px);
  line-height: 1.18;
  color: var(--color-text);
  margin: 0 0 14px;
}

.page-news__hero-lead {
  color: var(--color-text-sub);
  font-size: 16px;
  line-height: 1.8;
  max-width: 30em;
  margin-bottom: 24px;
}

.page-news__hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
}

.page-news__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-news__stat strong {
  font-family: var(--font-mono);
  font-size: 26px;
  color: var(--color-accent);
  line-height: 1.1;
}

.page-news__stat span {
  font-size: 13px;
  color: var(--n-dim);
  line-height: 1.4;
}

.page-news__hero-visual {
  position: relative;
  padding: 6px;
  background: rgba(248, 249, 250, 0.08);
  border: 1px solid var(--n-border);
  box-shadow: var(--shadow-card);
}

.page-news__hero-visual::before {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  width: 34px;
  height: 34px;
  border-top: 3px solid var(--color-accent);
  border-left: 3px solid var(--color-accent);
  z-index: 2;
}

.page-news__hero-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.page-news__hero-coord {
  position: absolute;
  right: 16px;
  bottom: 16px;
  background: rgba(26, 11, 46, 0.9);
  border-left: 2px solid var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--color-text-sub);
  padding: 7px 12px;
  z-index: 2;
}

/* ---------- 最新文章 ---------- */
.page-news__section-desc {
  margin: 6px 0 0;
  color: var(--color-text-sub);
  font-size: 14px;
  line-height: 1.6;
}

.page-news__feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  background: rgba(59, 31, 75, 0.5);
  border: 1px solid var(--n-border);
  box-shadow: var(--shadow-card);
  margin-bottom: 36px;
  transition: border-color 0.2s ease;
}

.page-news__feature:hover {
  border-color: rgba(255, 77, 0, 0.45);
}

.page-news__feature-media {
  position: relative;
  overflow: hidden;
  line-height: 0;
}

.page-news__feature-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.page-news__feature-coord {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(26, 11, 46, 0.88);
  border-left: 2px solid var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--color-text-sub);
  padding: 6px 10px;
}

.page-news__feature-body {
  padding: 24px;
}

.page-news__feature-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.page-news__article-no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  font-weight: 700;
}

.page-news__feature-body h3 {
  font-family: var(--font-title);
  font-size: clamp(20px, 3vw, 24px);
  line-height: 1.4;
  margin: 0 0 12px;
  color: var(--color-text);
}

.page-news__feature-body p {
  color: var(--color-text-sub);
  line-height: 1.8;
  font-size: 15px;
  margin-bottom: 16px;
}

.page-news__feature-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--n-border-soft);
}

.page-news__readtime {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--n-dim);
}

/* ---------- 文章列表条目 ---------- */
.page-news__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--n-border-soft);
}

.page-news__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  padding: 20px 0;
  border-bottom: 1px solid var(--n-border-soft);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.page-news__item:hover {
  background: rgba(59, 31, 75, 0.3);
  border-bottom-color: rgba(255, 77, 0, 0.45);
}

.page-news__item-head {
  margin-top: 8px;
}

.page-news__item-head h3 {
  font-family: var(--font-title);
  font-size: 17px;
  line-height: 1.5;
  color: var(--color-text);
  margin: 8px 0 0;
}

.page-news__item-summary p {
  margin: 10px 0 0;
  color: var(--color-text-sub);
  font-size: 14px;
  line-height: 1.75;
}

.page-news__item-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(229, 224, 216, 0.6);
  margin-top: 10px;
}

/* ---------- 专题系列 ---------- */
.page-news__series {
  background: linear-gradient(180deg, rgba(59, 31, 75, 0.45), rgba(26, 11, 46, 0.6)), #1A0B2E;
  position: relative;
  clip-path: polygon(0 32px, 100% 0, 100% calc(100% - 32px), 0 100%);
  border-top: 1px solid var(--n-border-soft);
  border-bottom: 1px solid var(--n-border-soft);
}

.page-news__series-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-news__series-card {
  display: flex;
  flex-direction: column;
  background: rgba(26, 11, 46, 0.5);
  border: 1px solid var(--n-border);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-news__series-card:hover {
  border-color: rgba(255, 77, 0, 0.5);
  transform: translateY(-2px);
}

.page-news__series-media {
  position: relative;
  overflow: hidden;
  line-height: 0;
}

.page-news__series-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.page-news__series-tag {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--color-accent);
  color: #1A0B2E;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 6px 10px;
  z-index: 2;
}

.page-news__series-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  justify-content: space-between;
  padding: 22px 24px 24px;
}

.page-news__series-code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--color-accent);
  font-weight: 700;
}

.page-news__series-body h3 {
  font-family: var(--font-title);
  font-size: 22px;
  line-height: 1.4;
  color: var(--color-text);
  margin: 8px 0 10px;
}

.page-news__series-body p {
  color: var(--color-text-sub);
  font-size: 14px;
  line-height: 1.75;
  margin: 0 0 20px;
  flex: 1;
}

/* 阵容观察介质：SVG 追踪图 */
.page-news__series-media--track {
  background:
    radial-gradient(circle at 30% 24%, rgba(255, 77, 0, 0.22), transparent 55%),
    linear-gradient(rgba(248, 249, 250, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(248, 249, 250, 0.06) 1px, transparent 1px),
    #1A0B2E;
  background-size: auto, 26px 26px, 26px 26px, auto;
  line-height: normal;
  padding-top: 75%;
}

.page-news__track-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news__track-coord {
  position: absolute;
  left: 16px;
  bottom: 16px;
  background: rgba(26, 11, 46, 0.9);
  border-right: 2px solid var(--color-accent);
  color: var(--color-text-sub);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  padding: 7px 12px;
  z-index: 2;
}

/* ---------- 数据解读 ---------- */
.page-news__data {
  background:
    linear-gradient(rgba(248, 249, 250, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(248, 249, 250, 0.05) 1px, transparent 1px),
    rgba(26, 11, 46, 0.72);
  background-size: 44px 44px;
  border-top: 1px solid var(--n-border-soft);
  border-bottom: 1px solid var(--n-border-soft);
}

.page-news__data-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

.page-news__data-visual {
  position: relative;
  padding: 6px;
  background: rgba(248, 249, 250, 0.08);
  border: 1px solid var(--n-border);
  box-shadow: var(--shadow-card);
}

.page-news__data-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.page-news__data-code {
  position: absolute;
  right: 18px;
  bottom: 18px;
  background: rgba(26, 11, 46, 0.9);
  border-left: 2px solid var(--color-accent);
  color: var(--color-text-sub);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  padding: 7px 12px;
}

.page-news__data-content h3 {
  font-family: var(--font-title);
  font-size: 24px;
  line-height: 1.4;
  color: var(--color-text);
  margin: 14px 0 12px;
}

.page-news__data-content > p {
  color: var(--color-text-sub);
  line-height: 1.8;
  margin-bottom: 18px;
}

.page-news__data-points {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news__data-points li {
  position: relative;
  padding: 14px 16px 14px 52px;
  background: var(--n-card-bg);
  border: 1px solid var(--n-border-soft);
  color: var(--color-text-sub);
  font-size: 14px;
  line-height: 1.7;
}

.page-news__data-points li::before {
  content: '';
  position: absolute;
  left: 16px;
  top: 18px;
  width: 18px;
  height: 18px;
  background: var(--color-accent);
  clip-path: polygon(25% 0, 100% 0, 100% 75%, 75% 100%, 0 100%, 0 25%);
}

.page-news__data-points strong {
  color: var(--color-text);
  font-weight: 700;
  margin-right: 6px;
}

/* ---------- 下一步引导 ---------- */
.page-news__cta {
  padding-top: 56px;
  padding-bottom: 64px;
}

.page-news__cta-inner {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
  padding: 32px 24px 36px;
  background:
    linear-gradient(120deg, rgba(255, 77, 0, 0.2), transparent 90%),
    var(--n-card-bg);
  border: 1px solid var(--n-border);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 28px 100%, 0 calc(100% - 28px));
}

.page-news__cta-copy .page-news__kicker {
  margin-bottom: 8px;
}

.page-news__cta-copy h2 {
  font-family: var(--font-title);
  font-size: clamp(24px, 3.5vw, 32px);
  line-height: 1.35;
  color: var(--color-text);
  margin: 0 0 10px;
}

.page-news__cta-copy p {
  color: var(--color-text-sub);
  font-size: 14px;
  line-height: 1.75;
  max-width: 42em;
  margin: 0;
}

.page-news__cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- 桌面端布局 ---------- */
@media (min-width: 860px) {
  .page-news__hero {
    padding: 48px 0 96px;
  }

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

  .page-news__hero h1 {
    font-size: 48px;
  }

  .page-news__feature {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-news__feature-body {
    padding: 28px 32px;
  }

  .page-news__item {
    grid-template-columns: 90px minmax(0, 1fr) minmax(0, 1.2fr);
    gap: 24px;
    padding: 22px 0;
  }

  .page-news__item-head {
    margin-top: 0;
  }

  .page-news__item-head h3 {
    margin-top: 6px;
  }

  .page-news__item-summary p {
    margin-top: 0;
  }

  .page-news__series-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 30px;
  }

  .page-news__series-body {
    padding: 24px 28px 28px;
  }

  .page-news__data-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 42px;
  }

  .page-news__cta-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 40px 48px;
  }
}

@media (min-width: 1080px) {
  .page-news__hero h1 {
    font-size: 52px;
  }

  .page-news__feature-body {
    padding: 32px 40px;
  }
}