.page-news {
  --np-gap: 2rem;
  --np-card-radius: 16px;
  --np-timeline-width: 4px;
  --np-transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--c-surface-dark, #0F172A);
  color: var(--c-text-primary, #F1F5F9);
  max-width: 100%;
  overflow-x: hidden;
  padding: 0 1rem 3rem;
}

/* 面包屑 */
.page-news__breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 1rem 0 0.5rem;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.8rem;
  color: var(--c-text-secondary, #94A3B8);
  max-width: var(--w-max, 1280px);
  width: 100%;
  margin: 0 auto;
}
.page-news__breadcrumb a {
  color: var(--c-accent-orange, #FF6B35);
  text-decoration: none;
  transition: color var(--np-transition);
}
.page-news__breadcrumb a:hover,
.page-news__breadcrumb a:focus-visible {
  color: var(--c-accent-green, #39FF14);
  outline: none;
}
.page-news__breadcrumb-sep {
  color: var(--c-text-secondary, #94A3B8);
  font-size: 0.7rem;
}
.page-news__breadcrumb [aria-current="page"] {
  color: var(--c-text-primary, #F1F5F9);
  font-weight: 600;
}

/* 首屏 */
.page-news__hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem 0 1.5rem;
  max-width: var(--w-max, 1280px);
  width: 100%;
  margin: 0 auto;
  position: relative;
}
.page-news__hero-title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-weight: 800;
  font-style: italic;
  font-size: clamp(2.4rem, 8vw, 4.8rem);
  line-height: 1.05;
  color: var(--c-text-primary, #F1F5F9);
  margin: 0 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  position: relative;
}
.page-news__hero-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 6px;
  background: var(--grad-green, linear-gradient(135deg,#39FF14,#2ad80f));
  margin: 0.5rem auto 0;
  border-radius: 3px;
}
.page-news__hero-desc {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: clamp(0.9rem, 2vw, 1.15rem);
  color: var(--c-text-secondary, #94A3B8);
  max-width: 640px;
  margin: 0 auto 1.5rem;
  line-height: 1.6;
}
.page-news__hero-decor {
  width: 100%;
  max-width: 600px;
  margin: 0.5rem auto 0;
  opacity: 0.3;
  pointer-events: none;
}
.page-news__hero-decor-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: var(--radius-md, 12px);
}

/* 筛选按钮组 */
.page-news__filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem 0.8rem;
  margin: 1rem 0 0.5rem;
  padding: 0;
}
.page-news__filter-btn {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1.2rem;
  border: 2px solid var(--c-text-secondary, #94A3B8);
  border-radius: 50px;
  background: transparent;
  color: var(--c-text-secondary, #94A3B8);
  cursor: pointer;
  transition: all var(--np-transition);
  letter-spacing: 0.02em;
}
.page-news__filter-btn:hover,
.page-news__filter-btn:focus-visible {
  border-color: var(--c-accent-orange, #FF6B35);
  color: var(--c-accent-orange, #FF6B35);
  outline: none;
  box-shadow: 0 0 12px rgba(255, 107, 53, 0.25);
}
.page-news__filter-btn.is-active {
  border-color: var(--c-accent-green, #39FF14);
  color: var(--c-accent-green, #39FF14);
  background: rgba(57, 255, 20, 0.08);
  box-shadow: 0 0 16px rgba(57, 255, 20, 0.15);
}

/* 章节标签 */
.page-news__section-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
  max-width: var(--w-max, 1280px);
  width: 100%;
  margin-left: auto;
  margin-right: auto;
}
.page-news__section-label .section-label {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--c-text-secondary, #94A3B8);
  padding-left: 0.75rem;
  border-left: 4px solid var(--c-accent-green, #39FF14);
}

/* 最新文章 - 宽区 */
.page-news__articles {
  padding: 2.5rem 0 2rem;
  max-width: var(--w-max, 1280px);
  width: 100%;
  margin: 0 auto;
}
.page-news__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

/* 文章卡片 */
.page-news__card {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(57, 255, 20, 0.12);
  border-radius: var(--np-card-radius);
  overflow: hidden;
  transition: transform var(--np-transition), box-shadow var(--np-transition), border-color var(--np-transition);
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}
.page-news__card:hover,
.page-news__card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(57, 255, 20, 0.35);
  box-shadow: 0 8px 32px rgba(57, 255, 20, 0.10), 0 0 20px rgba(57, 255, 20, 0.05);
}
.page-news__card-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 400 / 250;
  overflow: hidden;
  background: var(--c-primary-dark, #0B1A2E);
}
.page-news__card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.page-news__card:hover .page-news__card-img {
  transform: scale(1.05);
}
.page-news__card-tag {
  position: absolute;
  top: 0.6rem;
  left: 0.6rem;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.7rem;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: rgba(11, 26, 46, 0.85);
  backdrop-filter: blur(4px);
  color: var(--c-text-primary, #F1F5F9);
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.tag-league {
  border-color: var(--c-accent-orange, #FF6B35) !important;
  color: var(--c-accent-orange, #FF6B35) !important;
}
.tag-insight {
  border-color: var(--c-accent-green, #39FF14) !important;
  color: var(--c-accent-green, #39FF14) !important;
}
.tag-update {
  border-color: var(--c-primary-blue, #1A3A6B) !important;
  color: var(--c-neutral-light, #E5E7EB) !important;
  background: rgba(26, 58, 107, 0.7) !important;
}
.page-news__card-body {
  padding: 1rem 1.2rem 1.2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.page-news__card-title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--c-text-primary, #F1F5F9);
  margin: 0;
  line-height: 1.25;
}
.page-news__card-desc {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.85rem;
  color: var(--c-text-secondary, #94A3B8);
  line-height: 1.55;
  margin: 0;
}

/* 专题合集 - 窄区 */
.page-news__collections {
  padding: 2rem 0 2.5rem;
  max-width: var(--w-max, 1280px);
  width: 100%;
  margin: 0 auto;
}
.page-news__collections-bg {
  width: 100%;
  max-width: 800px;
  margin: 0 auto 1.5rem;
  border-radius: var(--radius-lg, 20px);
  overflow: hidden;
  opacity: 0.5;
}
.page-news__collections-bg-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
.page-news__collections-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
  margin-bottom: 1.5rem;
}
.page-news__collection-card {
  background: rgba(15, 23, 42, 0.7);
  border-radius: var(--radius-md, 12px);
  padding: 1.5rem 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--np-transition), box-shadow var(--np-transition);
}
.page-news__collection-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  border-radius: 0 2px 2px 0;
  transition: width var(--np-transition);
}
.page-news__collection-card:hover,
.page-news__collection-card:focus-within {
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}
.page-news__collection-card:hover::before {
  width: 6px;
}
.page-news__collection-card--premier::before {
  background: var(--c-accent-orange, #FF6B35);
}
.page-news__collection-card--liga::before {
  background: var(--c-accent-green, #39FF14);
}
.page-news__collection-card--nba::before {
  background: var(--c-primary-blue, #1A3A6B);
}
.page-news__collection-league {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-weight: 800;
  font-style: italic;
  font-size: 1.8rem;
  color: var(--c-text-primary, #F1F5F9);
  line-height: 1.1;
}
.page-news__collection-label {
  font-family: var(--font-mono, 'Fira Code', monospace);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-text-secondary, #94A3B8);
}
.page-news__collection-desc {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.85rem;
  color: var(--c-text-secondary, #94A3B8);
  margin: 0.3rem 0 0;
  line-height: 1.5;
}
.page-news__collections-footer {
  display: flex;
  justify-content: center;
  margin-top: 0.5rem;
}

/* 更新日志 - 宽区 */
.page-news__changelog {
  padding: 2rem 0 2.5rem;
  max-width: var(--w-max, 1280px);
  width: 100%;
  margin: 0 auto;
}
.page-news__changelog-decor {
  width: 100%;
  max-width: 600px;
  margin: 0 auto 1.5rem;
  border-radius: var(--radius-md, 12px);
  overflow: hidden;
  opacity: 0.3;
}
.page-news__changelog-decor-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
.page-news__timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  padding-left: 1.8rem;
}
.page-news__timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: var(--np-timeline-width);
  background: linear-gradient(180deg, var(--c-accent-green, #39FF14) 0%, rgba(57, 255, 20, 0.1) 100%);
  border-radius: 2px;
}
.page-news__timeline-item {
  position: relative;
  padding: 0.2rem 0 1.4rem 1rem;
  transition: opacity var(--np-transition);
}
.page-news__timeline-item:last-child {
  padding-bottom: 0;
}
.page-news__timeline-marker {
  position: absolute;
  left: -1.35rem;
  top: 0.45rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--c-surface-dark, #0F172A);
  border: 3px solid var(--c-accent-green, #39FF14);
  box-shadow: 0 0 12px rgba(57, 255, 20, 0.25);
  z-index: 1;
  transition: box-shadow var(--np-transition), transform var(--np-transition);
}
.page-news__timeline-item:hover .page-news__timeline-marker {
  box-shadow: 0 0 24px rgba(57, 255, 20, 0.45);
  transform: scale(1.15);
}
.page-news__timeline-content {
  background: rgba(15, 23, 42, 0.5);
  border-radius: var(--radius-sm, 6px);
  padding: 0.6rem 1rem;
  border-left: 2px solid rgba(57, 255, 20, 0.15);
  transition: border-color var(--np-transition), background var(--np-transition);
}
.page-news__timeline-item:hover .page-news__timeline-content {
  border-color: rgba(57, 255, 20, 0.35);
  background: rgba(15, 23, 42, 0.75);
}
.page-news__timeline-date {
  font-family: var(--font-mono, 'Fira Code', monospace);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--c-accent-green, #39FF14);
  display: block;
  margin-bottom: 0.2rem;
}
.page-news__timeline-text {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.85rem;
  color: var(--c-text-secondary, #94A3B8);
  line-height: 1.5;
  margin: 0;
}

/* 底部 CTA 区 */
.page-news__cta-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 2.5rem 1rem 1rem;
  text-align: center;
  max-width: var(--w-max, 1280px);
  width: 100%;
  margin: 0 auto;
  border-top: 1px solid rgba(57, 255, 20, 0.08);
}
.page-news__cta-text {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 1.05rem;
  color: var(--c-text-primary, #F1F5F9);
  margin: 0;
  max-width: 480px;
  line-height: 1.5;
}

/* ===== 桌面端 ≥768px ===== */
@media (min-width: 768px) {
  .page-news {
    padding: 0 2rem 4rem;
    gap: 0;
  }
  .page-news__breadcrumb {
    padding: 1.5rem 0 0.75rem;
    font-size: 0.85rem;
  }
  .page-news__hero {
    padding: 3rem 0 2rem;
  }
  .page-news__hero-title {
    font-size: clamp(3.2rem, 6vw, 5.2rem);
  }
  .page-news__hero-title::after {
    width: 120px;
    height: 8px;
  }
  .page-news__hero-desc {
    font-size: 1.1rem;
    max-width: 700px;
  }
  .page-news__filters {
    gap: 0.8rem 1rem;
  }
  .page-news__filter-btn {
    font-size: 0.9rem;
    padding: 0.55rem 1.6rem;
  }
  .page-news__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  .page-news__collections-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
  .page-news__collection-card {
    padding: 2rem 1.2rem;
  }
  .page-news__collection-league {
    font-size: 2rem;
  }
  .page-news__timeline {
    padding-left: 2.5rem;
  }
  .page-news__timeline::before {
    left: 14px;
  }
  .page-news__timeline-marker {
    left: -1.85rem;
    width: 18px;
    height: 18px;
  }
  .page-news__timeline-content {
    padding: 0.75rem 1.2rem;
  }
  .page-news__articles {
    padding: 3rem 0 2.5rem;
  }
  .page-news__collections {
    padding: 2.5rem 0 3rem;
  }
  .page-news__changelog {
    padding: 2.5rem 0 3rem;
  }
  .page-news__cta-section {
    padding: 3rem 0 1.5rem;
    flex-direction: row;
    justify-content: center;
    gap: 1.5rem;
  }
}

/* ===== 桌面端 ≥1024px ===== */
@media (min-width: 1024px) {
  .page-news {
    padding: 0 2.5rem 5rem;
  }
  .page-news__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.8rem;
  }
  .page-news__hero-title {
    font-size: clamp(4rem, 5.5vw, 6rem);
  }
  .page-news__collections-grid {
    gap: 2rem;
  }
  .page-news__collection-card {
    padding: 2.5rem 1.5rem;
  }
  .page-news__collection-league {
    font-size: 2.4rem;
  }
  .page-news__timeline {
    padding-left: 3.5rem;
    max-width: 800px;
    margin: 0 auto;
  }
  .page-news__timeline::before {
    left: 18px;
  }
  .page-news__timeline-marker {
    left: -2.35rem;
    width: 20px;
    height: 20px;
  }
  .page-news__timeline-content {
    padding: 1rem 1.5rem;
  }
  .page-news__articles {
    padding: 4rem 0 3rem;
  }
  .page-news__collections {
    padding: 3rem 0 4rem;
  }
  .page-news__changelog {
    padding: 3rem 0 4rem;
  }
}