.page-news {
  --news-accent: #9B59B6;
  --news-accent-light: #B97CD4;
  --news-accent-dark: #7D3C98;
  --news-red: #E74C3C;
  --news-red-light: #F1948A;
  --news-surface: rgba(18, 28, 42, 0.85);
  --news-card-bg: rgba(10, 31, 63, 0.7);
  --news-border-glow: rgba(155, 89, 182, 0.45);
  --news-text-muted: #8899B0;
  --news-radius: 2px;
  display: block;
  width: 100%;
  max-width: 100%;
  background-color: var(--color-primary);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  padding: 0;
  margin: 0;
}

/* ===== Breadcrumb ===== */
.page-news__breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--news-text-muted);
  margin-bottom: 1.5rem;
  padding: 0.25rem 0;
  flex-wrap: wrap;
}
.page-news__breadcrumb a {
  color: var(--news-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.page-news__breadcrumb a:hover,
.page-news__breadcrumb a:focus-visible {
  color: var(--news-accent-light);
  outline: none;
}
.page-news__breadcrumb [aria-current="page"] {
  color: var(--color-text);
  font-weight: 600;
}

/* ===== Hero ===== */
.page-news__hero {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 3rem;
  padding: 1.5rem 0 2rem;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}
.page-news__hero-label {
  display: inline-block;
  margin-bottom: 0.75rem;
}
.page-news__hero-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-text);
  margin: 0 0 0.75rem;
}
.page-news__hero-desc {
  font-size: 1.0625rem;
  color: var(--news-text-muted);
  max-width: 42rem;
  margin: 0 0 0.5rem;
}
.page-news__hero-visual {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  border-radius: var(--news-radius);
  position: relative;
}
.page-news__hero-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--color-border);
  border-radius: var(--news-radius);
}

/* ===== Section ===== */
.page-news__section {
  margin-bottom: 3.5rem;
  padding: 1.75rem 0;
  position: relative;
}
.page-news__section-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.25rem;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 0.75rem;
}
.page-news__section-title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-text);
  margin: 0;
}
.page-news__section-intro {
  color: var(--news-text-muted);
  font-size: 1rem;
  margin-bottom: 1.75rem;
  max-width: 50rem;
}

/* ===== 01 洞察网格 ===== */
.page-news__insight-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.page-news__insight-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.25rem 1.25rem 1rem;
  background: var(--news-card-bg);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--news-accent);
  border-radius: var(--news-radius);
  cursor: default;
  transition: border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
  position: relative;
}
.page-news__insight-card:hover,
.page-news__insight-card:focus-visible {
  border-color: var(--news-accent-light);
  box-shadow: 0 0 0 1px var(--news-border-glow), 0 0 12px rgba(155, 89, 182, 0.15);
  background: rgba(10, 31, 63, 0.85);
  outline: none;
}
.page-news__insight-card:hover .page-news__insight-summary,
.page-news__insight-card:focus-visible .page-news__insight-summary {
  max-height: 6rem;
  opacity: 1;
}
.page-news__insight-number {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 900;
  line-height: 1;
  color: var(--news-accent);
  flex-shrink: 0;
  min-width: 2rem;
  text-align: right;
  opacity: 0.7;
}
.page-news__insight-content {
  flex: 1;
  min-width: 0;
}
.page-news__insight-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-text);
  margin: 0 0 0.35rem;
}
.page-news__insight-summary {
  font-size: 0.875rem;
  color: var(--news-text-muted);
  line-height: 1.5;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height var(--transition-base) ease, opacity var(--transition-base) ease;
  margin: 0 0 0.5rem;
}
.page-news__insight-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.25rem;
}
.page-news__insight-tags .tag-label {
  font-size: 0.6875rem;
  padding: 0.2rem 0.5rem;
  background: rgba(155, 89, 182, 0.18);
  border: 1px solid rgba(155, 89, 182, 0.3);
  color: var(--news-accent-light);
  border-radius: var(--news-radius);
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.page-news__insight-tags .tag-label:hover {
  background: rgba(155, 89, 182, 0.35);
  border-color: var(--news-accent-light);
}

/* ===== 02 解读方法 ===== */
.page-news__method-layout {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}
.page-news__method-lead {
  font-size: 1.0625rem;
  color: var(--color-text);
  margin-bottom: 1.25rem;
  font-weight: 500;
}
.page-news__method-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.page-news__method-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  border-left: 2px solid var(--color-border);
  padding-left: 1rem;
  transition: border-color var(--transition-fast);
}
.page-news__method-item:hover {
  border-left-color: var(--news-red);
}
.page-news__method-step {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--news-red);
  flex-shrink: 0;
  min-width: 1.75rem;
  line-height: 1.3;
}
.page-news__method-detail {
  flex: 1;
}
.page-news__method-label {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.15rem;
}
.page-news__method-desc {
  display: block;
  font-size: 0.875rem;
  color: var(--news-text-muted);
  line-height: 1.5;
}
.page-news__method-cta {
  margin-top: 1rem;
}
.page-news__btn-method {
  font-size: 0.875rem;
  padding: 0.5rem 1.25rem;
}
.page-news__method-visual {
  width: 100%;
  max-width: 100%;
  border-radius: var(--news-radius);
  overflow: hidden;
}
.page-news__method-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  border: 1px solid var(--color-border);
  border-radius: var(--news-radius);
  background: var(--news-surface);
}
.page-news__method-caption {
  font-size: 0.75rem;
  color: var(--news-text-muted);
  margin-top: 0.35rem;
  font-style: italic;
}

/* ===== 03 订阅核对 ===== */
.page-news__subscribe-layout {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background: var(--news-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--news-radius);
  padding: 1.5rem;
  position: relative;
}
.page-news__subscribe-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.page-news__subscribe-icon {
  display: block;
  width: 100%;
  max-width: 8rem;
  height: auto;
  object-fit: contain;
  opacity: 0.85;
}
.page-news__subscribe-text {
  flex: 1;
}
.page-news__subscribe-desc {
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}
.page-news__subscribe-steps {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.page-news__subscribe-step {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--color-text);
}
.page-news__subscribe-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--news-accent);
  border-radius: 50%;
  flex-shrink: 0;
}
.page-news__subscribe-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.page-news__btn-subscribe {
  font-size: 0.9375rem;
  padding: 0.6rem 1.5rem;
  cursor: pointer;
  transition: box-shadow var(--transition-base), background var(--transition-base);
  border: none;
  display: inline-block;
  text-align: center;
}
.page-news__btn-subscribe:hover,
.page-news__btn-subscribe:focus-visible {
  box-shadow: 0 0 0 2px var(--color-primary), 0 0 0 4px var(--news-accent-light), 0 0 20px rgba(155, 89, 182, 0.3);
  outline: none;
}
.page-news__btn-faq {
  font-size: 0.875rem;
  padding: 0.5rem 1.25rem;
}
.page-news__subscribe-note {
  font-size: 0.8125rem;
  color: var(--news-text-muted);
  margin-top: 0.5rem;
}
.page-news__subscribe-note a {
  color: var(--news-accent-light);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.page-news__subscribe-note a:hover {
  color: var(--color-accent1);
}

/* ===== 底部装饰 ===== */
.page-news__bottom-decor {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  margin-top: 1rem;
  opacity: 0.35;
  pointer-events: none;
}
.page-news__decor-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ===== 标签交互统一 ===== */
.page-news .tag-label {
  cursor: pointer;
  user-select: none;
}
.page-news .tag-label:focus-visible {
  outline: 2px solid var(--news-accent-light);
  outline-offset: 2px;
}

/* ===== 桌面端 ===== */
@media (min-width: 768px) {
  .page-news__hero {
    flex-direction: row;
    align-items: center;
    gap: 2.5rem;
    padding: 2rem 0 2.5rem;
  }
  .page-news__hero-text {
    flex: 1 1 55%;
  }
  .page-news__hero-visual {
    flex: 1 1 40%;
    max-width: 420px;
  }
  .page-news__hero-title {
    font-size: 3.25rem;
  }
  .page-news__hero-desc {
    font-size: 1.125rem;
  }

  .page-news__section {
    margin-bottom: 4.5rem;
    padding: 2rem 0;
  }
  .page-news__section-title {
    font-size: 2rem;
  }

  .page-news__insight-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  .page-news__insight-card {
    padding: 1.5rem;
  }
  .page-news__insight-number {
    font-size: 2rem;
    min-width: 2.5rem;
  }
  .page-news__insight-title {
    font-size: 1.25rem;
  }
  .page-news__insight-summary {
    max-height: 0;
  }
  .page-news__insight-card:hover .page-news__insight-summary,
  .page-news__insight-card:focus-visible .page-news__insight-summary {
    max-height: 5rem;
  }

  .page-news__method-layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 2.5rem;
  }
  .page-news__method-text {
    flex: 1 1 58%;
  }
  .page-news__method-visual {
    flex: 1 1 38%;
    max-width: 420px;
    margin-top: 0.5rem;
  }
  .page-news__method-list {
    gap: 1.5rem;
  }

  .page-news__subscribe-layout {
    flex-direction: row;
    align-items: center;
    gap: 2rem;
    padding: 2rem 2.5rem;
  }
  .page-news__subscribe-visual {
    flex: 0 0 auto;
  }
  .page-news__subscribe-icon {
    max-width: 6rem;
  }
  .page-news__subscribe-steps {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
  }
  .page-news__subscribe-step {
    flex: 1 1 45%;
  }
}

@media (min-width: 1024px) {
  .page-news__hero-title {
    font-size: 4rem;
  }
  .page-news__insight-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-news__section-title {
    font-size: 2.25rem;
  }
}