.page-news {
  --news-card-radius: 12px;
  --news-gold-glow: 0 0 12px rgba(255, 215, 0, 0.35);
  --news-transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 100%;
  overflow-x: hidden;
  background: var(--color-bg, #0D0D1A);
  color: var(--color-text, #EAEAEA);
  font-family: var(--font-body, 'Noto Sans SC', 'PT Mono', monospace);
  padding: 0 16px 48px;
}

/* ── 面包屑 ── */
.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 0 8px;
  font-size: 0.85rem;
  color: var(--color-muted, #9E9E9E);
  flex-wrap: wrap;
}
.page-news .breadcrumb a {
  color: var(--color-gold, #FFD700);
  text-decoration: none;
  transition: opacity var(--news-transition);
}
.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  opacity: 0.7;
  outline: 2px solid var(--color-gold, #FFD700);
  outline-offset: 2px;
}
.page-news .breadcrumb .sep {
  color: var(--color-muted, #9E9E9E);
  user-select: none;
}
.page-news .breadcrumb [aria-current="page"] {
  color: var(--color-text, #EAEAEA);
  font-weight: 600;
}

/* ── 框景首屏 ── */
.page-news .frame-viewport.news-hero {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  border: 4px solid var(--color-gold, #FFD700);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--news-gold-glow), inset 0 0 0 1px rgba(255, 215, 0, 0.15);
  background: var(--color-card, #1A1A2E);
  margin: 8px 0 24px;
}
.page-news .news-hero .hero-content {
  position: relative;
  z-index: 2;
  padding: 24px 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.page-news .hero-headline {
  font-family: var(--font-heading, 'Montserrat', 'PingFang SC', sans-serif);
  font-size: 2.2rem;
  font-weight: 800;
  font-style: italic;
  line-height: 1.1;
  color: var(--color-red, #E53935);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin: 0;
  text-shadow: 2px 2px 0 rgba(229, 57, 53, 0.3);
}
.page-news .hero-sub {
  font-size: 1rem;
  color: var(--color-muted, #9E9E9E);
  margin: 0;
  letter-spacing: 0.04em;
  font-weight: 400;
}
.page-news .search-filter-wrap {
  margin-top: 4px;
}
.page-news .search-input {
  width: 100%;
  max-width: 400px;
  padding: 10px 16px;
  border: 2px solid var(--color-gold, #FFD700);
  border-radius: 48px;
  background: rgba(13, 13, 26, 0.8);
  color: var(--color-text, #EAEAEA);
  font-family: var(--font-body, 'Noto Sans SC', 'PT Mono', monospace);
  font-size: 0.95rem;
  transition: box-shadow var(--news-transition), border-color var(--news-transition);
  backdrop-filter: blur(4px);
}
.page-news .search-input::placeholder {
  color: var(--color-muted, #9E9E9E);
  opacity: 0.8;
}
.page-news .search-input:focus {
  outline: none;
  border-color: var(--color-red, #E53935);
  box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.25);
}
.page-news .hero-image {
  width: 100%;
  height: auto;
  max-height: 260px;
  object-fit: cover;
  display: block;
  border-top: 2px solid rgba(255, 215, 0, 0.25);
}

/* ── 通用 section ── */
.page-news .section {
  margin: 0 0 32px;
}
.page-news .section-title {
  font-family: var(--font-heading, 'Montserrat', 'PingFang SC', sans-serif);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-text, #EAEAEA);
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 20px;
  letter-spacing: -0.01em;
}
.page-news .section-title .mono-index {
  font-family: 'PT Mono', 'Courier New', monospace;
  font-size: 1.1rem;
  color: var(--color-gold, #FFD700);
  background: rgba(255, 215, 0, 0.12);
  padding: 4px 12px;
  border-radius: 4px;
  border-left: 3px solid var(--color-gold, #FFD700);
  line-height: 1.4;
}

/* ── 最新动态 Bento 网格 ── */
.page-news .dynamics-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-news .dynamic-card {
  position: relative;
  display: flex;
  flex-direction: column;
  border: 3px solid var(--color-gold, #FFD700);
  border-radius: var(--news-card-radius);
  overflow: hidden;
  background: var(--color-card, #1A1A2E);
  transition: transform var(--news-transition), box-shadow var(--news-transition);
  transform: rotate(0deg);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}
.page-news .dynamic-card:hover,
.page-news .dynamic-card:focus-within {
  transform: scale(1.02) rotate(-0.3deg);
  box-shadow: var(--news-gold-glow), 0 8px 32px rgba(0, 0, 0, 0.6);
}
.page-news .dynamic-card .card-bg {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
  border-bottom: 2px solid rgba(255, 215, 0, 0.2);
  transition: transform var(--news-transition);
}
.page-news .dynamic-card:hover .card-bg {
  transform: scale(1.03);
}
.page-news .card-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.page-news .card-num {
  font-size: 0.85rem;
  color: var(--color-gold, #FFD700);
  background: rgba(255, 215, 0, 0.1);
  padding: 2px 10px;
  border-radius: 20px;
  width: fit-content;
  border: 1px solid rgba(255, 215, 0, 0.3);
  line-height: 1.6;
}
.page-news .card-title {
  font-family: var(--font-heading, 'Montserrat', 'PingFang SC', sans-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text, #EAEAEA);
  margin: 0;
  line-height: 1.3;
}
.page-news .card-summary {
  font-size: 0.92rem;
  color: var(--color-muted, #9E9E9E);
  margin: 0;
  line-height: 1.5;
}
.page-news .card-details {
  margin-top: 4px;
  font-size: 0.9rem;
  color: var(--color-text, #EAEAEA);
}
.page-news .card-details summary {
  cursor: pointer;
  color: var(--color-red, #E53935);
  font-weight: 600;
  font-family: var(--font-heading, 'Montserrat', 'PingFang SC', sans-serif);
  padding: 6px 0 4px;
  transition: color var(--news-transition);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 6px;
}
.page-news .card-details summary::-webkit-details-marker {
  display: none;
}
.page-news .card-details summary::before {
  content: "▶";
  font-size: 0.7rem;
  transition: transform var(--news-transition);
  color: var(--color-gold, #FFD700);
}
.page-news .card-details[open] summary::before {
  transform: rotate(90deg);
}
.page-news .card-details summary:hover,
.page-news .card-details summary:focus-visible {
  color: var(--color-gold, #FFD700);
}
.page-news .details-text {
  padding: 10px 0 4px;
  line-height: 1.7;
  color: var(--color-muted, #9E9E9E);
  border-top: 1px solid rgba(255, 215, 0, 0.15);
  margin-top: 4px;
}

/* ── 倾斜金色分割线 ── */
.page-news .gold-divider.angled {
  height: 6px;
  background: linear-gradient(135deg, var(--color-gold, #FFD700), var(--color-red, #E53935));
  transform: skewY(-1.5deg);
  margin: 8px 0 28px;
  border: none;
  border-radius: 2px;
  width: 100%;
  box-shadow: 0 2px 12px rgba(255, 215, 0, 0.3);
}

/* ── 使用指南 ── */
.page-news .guides-layout {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.page-news .guides-visual {
  border: 3px solid var(--color-gold, #FFD700);
  border-radius: var(--news-card-radius);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  transition: box-shadow var(--news-transition);
}
.page-news .guides-visual:hover {
  box-shadow: var(--news-gold-glow);
}
.page-news .guide-step-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
.page-news .guides-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.page-news .guide-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--color-card, #1A1A2E);
  border: 2px solid rgba(255, 215, 0, 0.25);
  border-radius: 12px;
  padding: 16px;
  transition: border-color var(--news-transition), box-shadow var(--news-transition);
}
.page-news .guide-item:hover,
.page-news .guide-item:focus-within {
  border-color: var(--color-gold, #FFD700);
  box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.1);
}
.page-news .guide-step-num {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-gold, #FFD700);
  background: rgba(255, 215, 0, 0.08);
  border: 2px solid var(--color-gold, #FFD700);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: 'PT Mono', 'Courier New', monospace;
  line-height: 1;
}
.page-news .guide-text {
  flex: 1;
  min-width: 0;
}
.page-news .guide-title {
  font-family: var(--font-heading, 'Montserrat', 'PingFang SC', sans-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text, #EAEAEA);
  margin: 0 0 6px;
}
.page-news .guide-steps {
  margin: 0;
  padding-left: 20px;
  font-size: 0.9rem;
  color: var(--color-muted, #9E9E9E);
  line-height: 1.7;
}
.page-news .guide-steps li::marker {
  color: var(--color-red, #E53935);
  font-weight: 600;
}

/* ── 相关链接 ── */
.page-news .related-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-top: 16px;
  padding: 20px 16px;
  border-top: 2px solid rgba(255, 215, 0, 0.15);
  border-bottom: 2px solid rgba(255, 215, 0, 0.15);
}
.page-news .related-label {
  font-size: 0.85rem;
  color: var(--color-gold, #FFD700);
  font-weight: 600;
  background: rgba(255, 215, 0, 0.08);
  padding: 4px 12px;
  border-radius: 4px;
  border-left: 3px solid var(--color-gold, #FFD700);
  font-family: 'PT Mono', 'Courier New', monospace;
  letter-spacing: 0.02em;
}
.page-news .btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  border: 2px solid var(--color-gold, #FFD700);
  border-radius: 48px;
  background: transparent;
  color: var(--color-gold, #FFD700);
  font-family: var(--font-body, 'Noto Sans SC', 'PT Mono', monospace);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--news-transition), color var(--news-transition), box-shadow var(--news-transition);
}
.page-news .btn-ghost:hover,
.page-news .btn-ghost:focus-visible {
  background: var(--color-gold, #FFD700);
  color: var(--color-bg, #0D0D1A);
  box-shadow: 0 0 12px rgba(255, 215, 0, 0.4);
  outline: none;
}

/* ── 桌面端 ≥768px ── */
@media (min-width: 768px) {
  .page-news {
    padding: 0 32px 64px;
  }
  .page-news .frame-viewport.news-hero {
    flex-direction: row;
    align-items: center;
    margin: 16px 0 32px;
  }
  .page-news .news-hero .hero-content {
    flex: 1 1 45%;
    padding: 32px 28px;
  }
  .page-news .hero-headline {
    font-size: 3rem;
  }
  .page-news .hero-sub {
    font-size: 1.1rem;
  }
  .page-news .hero-image {
    flex: 1 1 55%;
    max-height: 360px;
    border-top: none;
    border-left: 2px solid rgba(255, 215, 0, 0.25);
  }
  .page-news .section-title {
    font-size: 2rem;
  }
  .page-news .dynamics-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-news .dynamic-card.wide {
    grid-column: 1 / -1;
  }
  .page-news .dynamic-card .card-bg {
    height: 180px;
  }
  .page-news .card-title {
    font-size: 1.25rem;
  }
  .page-news .guides-layout {
    flex-direction: row;
    align-items: flex-start;
  }
  .page-news .guides-visual {
    flex: 1 1 45%;
    position: sticky;
    top: 80px;
  }
  .page-news .guides-list {
    flex: 1 1 55%;
  }
  .page-news .guide-item {
    padding: 20px 24px;
  }
  .page-news .guide-step-num {
    width: 52px;
    height: 52px;
    font-size: 1.5rem;
  }
  .page-news .related-links {
    justify-content: center;
    gap: 16px 24px;
    padding: 24px 32px;
  }
}

/* ── 大桌面端 ≥1200px ── */
@media (min-width: 1200px) {
  .page-news {
    padding: 0 64px 80px;
    max-width: 1400px;
    margin: 0 auto;
  }
  .page-news .dynamics-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .page-news .dynamic-card.wide {
    grid-column: span 2;
  }
  .page-news .dynamic-card .card-bg {
    height: 200px;
  }
  .page-news .hero-headline {
    font-size: 3.6rem;
  }
  .page-news .hero-image {
    max-height: 420px;
  }
}