.page-news {
  --news-gold: #D4AF37;
  --news-neon: #00C2FF;
  --news-bg-card: #2D1B4E;
  --news-text: #F5F5F5;
  --news-muted: #B0A0C0;
  --news-border: #4A2D6E;
  --news-radius: 12px;
  --news-transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ===== 面包屑 ===== */
.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 20px 0 8px;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 14px;
  color: var(--news-muted);
}
.page-news .breadcrumb a {
  color: var(--news-muted);
  text-decoration: none;
  transition: color var(--news-transition);
}
.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--news-gold);
}
.page-news .breadcrumb [aria-current="page"] {
  color: var(--news-gold);
  font-weight: 600;
}

/* ===== 首屏 hero ===== */
.page-news__hero {
  padding: 32px 0 48px;
  position: relative;
}
.page-news__hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 10%;
  width: 80%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--news-gold), var(--news-neon), transparent);
  opacity: 0.4;
}
.page-news__hero-inner {
  position: relative;
  z-index: 1;
}
.page-news__hero-title {
  font-family: var(--font-heading, 'Barlow Condensed', sans-serif);
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 800;
  color: var(--news-gold);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0 0 8px;
  text-transform: uppercase;
}
.page-news__hero-sub {
  font-family: var(--font-accent, 'Dancing Script', cursive);
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  color: var(--news-neon);
  margin: 0 0 12px;
  letter-spacing: 0.04em;
}
.page-news__hero-desc {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 1rem;
  color: var(--news-muted);
  max-width: 620px;
  line-height: 1.6;
  margin: 0;
}

/* ===== 筛选区域 ===== */
.page-news__filter {
  padding: 24px 0 32px;
}
.page-news__filter-title {
  font-family: var(--font-heading, 'Barlow Condensed', sans-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--news-text);
  margin: 0 0 20px;
  letter-spacing: 0.02em;
}
.page-news__filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.page-news__filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--news-text);
  background: var(--news-bg-card);
  border: 1px solid var(--news-border);
  border-radius: 40px;
  cursor: pointer;
  transition: all var(--news-transition);
  box-shadow: none;
}
.page-news__filter-btn:hover,
.page-news__filter-btn:focus-visible {
  border-color: var(--news-gold);
  color: var(--news-gold);
  transform: translateY(-2px);
}
.page-news__filter-btn.is-active {
  background: var(--news-gold);
  color: #1A0A2E;
  border-color: var(--news-gold);
}
.page-news__filter-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

/* ===== 时间轴文章区 ===== */
.page-news__timeline {
  padding: 32px 0 56px;
  position: relative;
}
.page-news__section-title {
  font-family: var(--font-heading, 'Barlow Condensed', sans-serif);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--news-gold);
  margin: 0 0 40px;
  letter-spacing: 0.02em;
  position: relative;
  display: inline-block;
}
.page-news__section-title::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 60%;
  height: 3px;
  background: var(--news-gold);
  border-radius: 2px;
}
.page-news__timeline-line {
  position: absolute;
  top: 140px;
  bottom: 40px;
  left: 50%;
  width: 3px;
  background: linear-gradient(180deg, var(--news-gold), var(--news-neon), var(--news-gold));
  transform: translateX(-50%);
  border-radius: 2px;
  opacity: 0.25;
  z-index: 0;
}
.page-news__articles {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

/* ===== 文章卡片 ===== */
.page-news__card {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  gap: 0;
  background: var(--news-bg-card);
  border-radius: var(--news-radius);
  overflow: hidden;
  position: relative;
  transition: transform var(--news-transition), box-shadow var(--news-transition);
  border: 1px solid var(--news-border);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}
.page-news__card:hover,
.page-news__card:focus-within {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(212, 175, 55, 0.15);
  border-color: var(--news-gold);
  background: linear-gradient(135deg, #2D1B4E, #3A2560);
}
.page-news__card-image {
  flex: 0 0 180px;
  max-width: 180px;
  overflow: hidden;
  position: relative;
}
.page-news__card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--news-transition);
}
.page-news__card:hover .page-news__card-img {
  transform: scale(1.06);
}
.page-news__card-body {
  flex: 1;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}
.page-news__card-body .badge {
  display: inline-block;
  padding: 2px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #1A0A2E;
  background: var(--news-gold);
  border-radius: 20px;
  margin-bottom: 8px;
  align-self: flex-start;
}
.page-news__card-title {
  font-family: var(--font-heading, 'Barlow Condensed', sans-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--news-text);
  margin: 0 0 8px;
  line-height: 1.2;
  letter-spacing: 0.01em;
}
.page-news__card-text {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.9rem;
  color: var(--news-muted);
  line-height: 1.6;
  margin: 0 0 12px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.page-news__card-link {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--news-neon);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color var(--news-transition);
  margin-top: auto;
}
.page-news__card-link:hover,
.page-news__card-link:focus-visible {
  color: var(--news-gold);
  text-decoration: underline;
}
.page-news__card-node {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  pointer-events: none;
  display: none;
}
.page-news__node-dot {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  box-shadow: 0 0 12px rgba(212, 175, 55, 0.6);
  border: 2px solid var(--news-gold);
}

/* ===== 规则提示专区 ===== */
.page-news__rules {
  padding: 0;
  position: relative;
  margin: 24px 0 48px;
}
.page-news__rules-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: var(--news-radius);
  clip-path: polygon(30px 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%, 0 30px);
  z-index: 0;
}
.page-news__rules-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.2;
}
.page-news__rules-content {
  position: relative;
  z-index: 1;
  padding: 48px 40px;
  background: rgba(26, 10, 46, 0.85);
  border-radius: var(--news-radius);
  clip-path: polygon(30px 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%, 0 30px);
  border: 1px solid var(--news-gold);
}
.page-news__rules-title {
  font-family: var(--font-heading, 'Barlow Condensed', sans-serif);
  font-size: 2rem;
  font-weight: 800;
  color: var(--news-gold);
  margin: 0 0 16px;
  letter-spacing: 0.02em;
}
.page-news__rules-text {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 1rem;
  color: var(--news-text);
  line-height: 1.7;
  max-width: 700px;
  margin: 0 0 24px;
}
.page-news__rules-list {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.page-news__rules-list li {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.95rem;
  color: var(--news-muted);
  padding-left: 20px;
  position: relative;
}
.page-news__rules-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--news-gold);
  font-weight: 700;
}
.page-news__rules-list a {
  color: var(--news-neon);
  text-decoration: none;
}
.page-news__rules-list a:hover {
  text-decoration: underline;
  color: var(--news-gold);
}
.page-news__rules-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 32px;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 1rem;
  font-weight: 700;
  color: #1A0A2E;
  background: linear-gradient(135deg, var(--news-gold), #FFD700);
  border: none;
  border-radius: 40px;
  text-decoration: none;
  transition: all var(--news-transition);
  cursor: pointer;
}
.page-news__rules-link:hover,
.page-news__rules-link:focus-visible {
  box-shadow: 0 0 24px rgba(0, 194, 255, 0.4);
  transform: translateY(-2px);
}

/* ===== 更多内容 ===== */
.page-news__more {
  padding: 24px 0 64px;
  text-align: center;
}
.page-news__more-text {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 1.05rem;
  color: var(--news-muted);
  margin: -24px 0 32px;
}
.page-news__more-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}
.page-news__more-btn {
  padding: 12px 32px;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--news-text);
  background: transparent;
  border: 1px solid var(--news-gold);
  border-radius: 40px;
  text-decoration: none;
  transition: all var(--news-transition);
}
.page-news__more-btn:hover,
.page-news__more-btn:focus-visible {
  background: var(--news-gold);
  color: #1A0A2E;
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
}

/* ===== 移动端优先 ===== */
@media (max-width: 767px) {
  .page-news .breadcrumb {
    font-size: 12px;
    padding: 16px 0 4px;
  }

  .page-news__hero {
    padding: 20px 0 32px;
  }
  .page-news__hero-title {
    font-size: 2rem;
  }
  .page-news__hero-sub {
    font-size: 1rem;
  }

  .page-news__filter-buttons {
    gap: 8px;
  }
  .page-news__filter-btn {
    padding: 8px 16px;
    font-size: 0.85rem;
  }
  .page-news__filter-icon {
    width: 20px;
    height: 20px;
  }

  .page-news__timeline-line {
    display: none;
  }
  .page-news__card-node {
    display: none !important;
  }

  .page-news__card {
    flex-direction: column;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  }
  .page-news__card-image {
    flex: 0 0 200px;
    max-width: 100%;
  }
  .page-news__card-img {
    height: 200px;
    object-fit: cover;
  }
  .page-news__card-body {
    padding: 16px 18px;
  }
  .page-news__card-title {
    font-size: 1.15rem;
  }
  .page-news__card-text {
    font-size: 0.85rem;
    -webkit-line-clamp: 2;
  }

  .page-news__rules-content {
    padding: 32px 20px;
  }
  .page-news__rules-title {
    font-size: 1.5rem;
  }
  .page-news__rules-list li {
    font-size: 0.85rem;
  }
  .page-news__rules-link {
    padding: 10px 24px;
    font-size: 0.9rem;
  }

  .page-news__more-links {
    flex-direction: column;
    align-items: center;
  }
  .page-news__more-btn {
    width: 100%;
    max-width: 280px;
    text-align: center;
  }
}

/* ===== 桌面增强 ===== */
@media (min-width: 768px) {
  .page-news__card {
    margin-left: 60px;
    margin-right: 60px;
  }
  .page-news__card:nth-child(even) {
    margin-left: 60px;
    margin-right: 60px;
    flex-direction: row-reverse;
  }
  .page-news__card:nth-child(even) .page-news__card-image {
    flex: 0 0 180px;
    max-width: 180px;
  }
  .page-news__card:nth-child(even) .page-news__card-body {
    text-align: right;
  }
  .page-news__card:nth-child(even) .page-news__card-body .badge {
    align-self: flex-end;
  }
  .page-news__card:nth-child(even) .page-news__card-link {
    align-self: flex-end;
  }
  .page-news__card:nth-child(even) .page-news__card-node {
    display: block;
  }
  .page-news__card:nth-child(odd) .page-news__card-node {
    display: block;
  }

  .page-news__card-image {
    flex: 0 0 200px;
    max-width: 200px;
  }

  .page-news__rules-content {
    padding: 56px 60px;
  }
  .page-news__rules-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 16px 40px;
  }
  .page-news__rules-list li {
    flex: 0 0 auto;
  }

  .page-news__more-links {
    gap: 24px;
  }
}

@media (min-width: 1024px) {
  .page-news__card-image {
    flex: 0 0 240px;
    max-width: 240px;
  }
  .page-news__card:nth-child(even) .page-news__card-image {
    flex: 0 0 240px;
    max-width: 240px;
  }
  .page-news__card-body {
    padding: 28px 32px;
  }
  .page-news__card-title {
    font-size: 1.45rem;
  }
  .page-news__card-text {
    font-size: 0.95rem;
    -webkit-line-clamp: 3;
  }
  .page-news__rules-content {
    padding: 64px 80px;
  }
}