.page-news {
  --news-gold-line: linear-gradient(90deg, transparent, var(--clr-primary-gold), transparent);
  --news-card-radius: 4px;
  --news-glass-bg: rgba(26, 26, 26, 0.85);
  --news-border-light: rgba(212, 175, 55, 0.25);
  display: block;
  width: 100%;
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md) var(--space-xl);
  color: var(--clr-text-white);
  font-family: var(--font-body);
  background: var(--clr-background-black);
  box-sizing: border-box;
}

.page-news *,
.page-news *::before,
.page-news *::after {
  box-sizing: inherit;
}

/* 面包屑 */
.page-news__breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
  font-size: 0.8rem;
  letter-spacing: 0.5px;
  color: var(--clr-text-muted);
}

.page-news__breadcrumb a {
  color: var(--clr-link-gold);
  text-decoration: none;
  transition: color 0.2s;
}

.page-news__breadcrumb a:hover {
  color: var(--clr-primary-gold);
}

.page-news__breadcrumb-sep {
  color: var(--clr-text-muted);
}

.page-news__breadcrumb-current {
  color: var(--clr-primary-gold);
  font-weight: 500;
}

/* Hero 区 */
.page-news__hero {
  position: relative;
  margin-bottom: var(--space-xl);
}

.page-news__hero-text {
  text-align: center;
  padding: var(--space-lg) 0 var(--space-md);
}

.page-news__hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 8vw, 4rem);
  font-weight: 800;
  color: var(--clr-text-white);
  margin: 0 0 var(--space-sm);
  letter-spacing: -0.02em;
  line-height: 1.1;
  text-transform: uppercase;
}

.page-news__hero-sub {
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 2.5vw, 1.2rem);
  color: var(--clr-text-muted);
  margin: 0 0 var(--space-md);
  letter-spacing: 3px;
  font-weight: 400;
}

.page-news__hero-line {
  width: 80px;
  height: 3px;
  background: var(--gold-gradient);
  margin: 0 auto;
  border-radius: 2px;
}

.page-news__hero-image-wrap {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin: var(--space-md) auto 0;
  overflow: hidden;
  border-radius: var(--news-card-radius);
}

.page-news__hero-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.page-news__hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--clr-background-black) 0%, transparent 50%, transparent 100%);
  pointer-events: none;
}

/* 过滤栏 */
.page-news__filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin-bottom: var(--space-xl);
  padding: var(--space-sm) 0;
  border-top: 1px solid var(--news-border-light);
  border-bottom: 1px solid var(--news-border-light);
}

.page-news__filter-btn {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--clr-text-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 2px;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: color 0.25s, border-color 0.25s, background 0.25s;
  cursor: pointer;
}

.page-news__filter-btn:hover {
  color: var(--clr-primary-gold);
  border-color: var(--news-border-light);
  background: rgba(212, 175, 55, 0.06);
}

.page-news__filter-btn[aria-selected="true"] {
  color: var(--clr-primary-gold);
  border-color: var(--clr-primary-gold);
  background: rgba(212, 175, 55, 0.1);
}

/* 主内容区块 */
.page-news__section {
  margin-bottom: var(--space-xl);
}

.page-news__section-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

/* 分类块 */
.page-news__category-block {
  scroll-margin-top: calc(var(--header-height) + var(--space-lg));
}

.page-news__category-title {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 800;
  color: var(--clr-text-white);
  margin: 0 0 var(--space-lg);
  letter-spacing: -0.01em;
  position: relative;
  padding-bottom: var(--space-sm);
}

.page-news__category-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 2px;
  background: var(--gold-gradient);
  border-radius: 1px;
}

.page-news__category-num {
  font-family: var(--font-mono);
  font-size: 0.75em;
  font-weight: 400;
  color: var(--clr-primary-gold);
  opacity: 0.6;
  letter-spacing: 2px;
}

/* 卡片网格 */
.page-news__card-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* 单张卡片 */
.page-news__card {
  display: flex;
  flex-direction: column;
  background: var(--news-glass-bg);
  border: 1px solid var(--news-border-light);
  border-radius: var(--news-card-radius);
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
  position: relative;
}

.page-news__card:hover {
  border-color: rgba(212, 175, 55, 0.5);
  transform: translateY(-2px);
}

.page-news__card-body {
  padding: var(--space-md);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.page-news__card-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--clr-primary-gold);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
  display: block;
}

.page-news__card-heading {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  font-weight: 800;
  color: var(--clr-text-white);
  margin: 0 0 var(--space-sm);
  line-height: 1.25;
}

.page-news__card-summary {
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--clr-text-muted);
  margin: 0 0 var(--space-md);
  flex: 1;
}

.page-news__card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-primary-gold);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: color 0.2s;
  align-self: flex-start;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}

.page-news__card-link:hover {
  color: var(--clr-link-gold);
  border-bottom-color: var(--clr-link-gold);
}

/* 卡片图片 */
.page-news__card-figure {
  width: 100%;
  overflow: hidden;
  background: var(--clr-surface-dark);
  position: relative;
}

.page-news__card-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.4s;
}

.page-news__card:hover .page-news__card-img {
  transform: scale(1.03);
}

/* 有图的卡片在桌面端使用图文并排 */
.page-news__card--has-image {
  flex-direction: column;
}

/* 快速入口 */
.page-news__quick-links {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--news-border-light);
  text-align: center;
}

.page-news__quick-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--clr-text-muted);
  margin: 0 0 var(--space-md);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.page-news__quick-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
}

.page-news__quick-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--news-glass-bg);
  border: 1px solid var(--news-border-light);
  border-radius: var(--news-card-radius);
  color: var(--clr-text-white);
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  transition: border-color 0.3s, background 0.3s;
}

.page-news__quick-item:hover {
  border-color: var(--clr-primary-gold);
  background: rgba(212, 175, 55, 0.1);
  color: var(--clr-primary-gold);
}

.page-news__quick-icon {
  font-size: 1.2rem;
  line-height: 1;
  color: var(--clr-primary-gold);
}

.page-news__quick-label {
  letter-spacing: 0.5px;
}

/* ========== 桌面端 ≥768px ========== */
@media (min-width: 768px) {
  .page-news {
    padding: var(--space-lg) var(--space-xl) var(--space-xl);
  }

  .page-news__hero {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    align-items: end;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
  }

  .page-news__hero-text {
    text-align: left;
    padding: 0 0 var(--space-md);
  }

  .page-news__hero-line {
    margin: 0;
  }

  .page-news__hero-image-wrap {
    margin: 0;
    max-width: 100%;
  }

  .page-news__filter-bar {
    justify-content: flex-start;
    padding: var(--space-sm) 0;
  }

  .page-news__category-title {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
  }

  /* 卡片图文并排 */
  .page-news__card--has-image {
    flex-direction: row;
  }

  .page-news__card--has-image .page-news__card-body {
    width: 55%;
    padding: var(--space-lg);
  }

  .page-news__card--has-image .page-news__card-figure {
    width: 45%;
    min-height: 100%;
  }

  .page-news__card--has-image .page-news__card-img {
    height: 100%;
    object-fit: cover;
  }

  /* 图片在右 */
  .page-news__card--image-right {
    flex-direction: row;
  }

  /* 图片在左 */
  .page-news__card--image-left {
    flex-direction: row-reverse;
  }

  /* 无图卡片增加内边距 */
  .page-news__card:not(.page-news__card--has-image) .page-news__card-body {
    padding: var(--space-lg);
  }

  .page-news__card-grid {
    gap: var(--space-xl);
  }

  .page-news__quick-grid {
    gap: var(--space-lg);
  }
}

/* ========== 大桌面端 ≥1024px ========== */
@media (min-width: 1024px) {
  .page-news__hero {
    grid-template-columns: 1fr 1.5fr;
  }

  .page-news__hero-title {
    font-size: clamp(3rem, 5vw, 4.5rem);
  }

  .page-news__card--has-image .page-news__card-body {
    padding: var(--space-xl);
  }

  .page-news__card:not(.page-news__card--has-image) .page-news__card-body {
    padding: var(--space-xl);
  }
}

/* ========== 滚动显现动画 ========== */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-reveal-visible] {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal-delay="100"] { transition-delay: 0.1s; }
[data-reveal-delay="200"] { transition-delay: 0.2s; }
[data-reveal-delay="300"] { transition-delay: 0.3s; }