.page-news {
  --hero-min-height: 320px;
  --filter-gap: 12px;
  --card-radius: var(--radius-card);
  --card-border: var(--border-thick);
  --card-shadow: var(--shadow-strong);
  --card-transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.4s ease;
  --grid-gap: 24px;

  display: block;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px 60px;
  color: var(--color-white);
  font-family: var(--font-body);
}

/* ===== 视觉隐藏 ===== */
.page-news__visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== Hero 区 ===== */
.page-news__hero {
  position: relative;
  min-height: var(--hero-min-height);
  border-radius: var(--card-radius);
  overflow: hidden;
  margin-bottom: 36px;
  border: var(--card-border) solid var(--color-border);
  box-shadow: var(--card-shadow);
  background: linear-gradient(135deg, var(--color-bg-start), var(--color-bg-end));
}

.page-news__hero-img {
  display: block;
  width: 100%;
  height: var(--hero-min-height);
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.5;
}

.page-news__hero-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px 24px;
  background: linear-gradient(to top, rgba(11, 26, 54, 0.9) 0%, transparent 70%);
}

.page-news__breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 0.875rem;
  color: var(--color-neon-purple);
}

.page-news__breadcrumb-link {
  color: var(--color-gold);
  text-decoration: none;
  transition: color var(--transition-speed);
}

.page-news__breadcrumb-link:hover {
  color: var(--color-gold-hover);
  text-decoration: underline;
}

.page-news__breadcrumb-sep {
  color: var(--color-border);
  font-weight: 300;
}

.page-news__breadcrumb-current {
  color: var(--color-white);
  font-weight: 600;
}

.page-news__title {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  font-style: italic;
  color: var(--color-gold);
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 12px rgba(240, 192, 64, 0.25);
}

.page-news__subtitle {
  margin: 0;
  font-size: 1rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.85);
  max-width: 540px;
}

/* ===== 分类筛选 ===== */
.page-news__filters {
  margin-bottom: 40px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--color-neon-purple) transparent;
}

.page-news__filters::-webkit-scrollbar {
  height: 4px;
}

.page-news__filters::-webkit-scrollbar-thumb {
  background: var(--color-neon-purple);
  border-radius: 2px;
}

.page-news__filter-list {
  display: flex;
  gap: var(--filter-gap);
  padding: 4px 0;
  min-width: max-content;
}

.page-news__filter-btn {
  flex-shrink: 0;
  padding: 10px 24px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-white);
  background: var(--color-card-bg);
  border: var(--card-border) solid var(--color-border);
  border-radius: 40px;
  cursor: pointer;
  transition: all var(--transition-speed);
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.page-news__filter-btn:hover {
  border-color: var(--color-neon-purple);
  color: var(--color-gold);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(160, 32, 240, 0.2);
}

.page-news__filter-btn.is-active,
.page-news__filter-btn[aria-selected="true"] {
  background: var(--color-neon-purple);
  border-color: var(--color-neon-purple);
  color: var(--color-white);
  box-shadow: 0 4px 20px rgba(160, 32, 240, 0.35);
}

/* ===== 文章区域 ===== */
.page-news__section-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  font-style: italic;
  color: var(--color-gold);
  margin: 0 0 24px;
  padding-left: 16px;
  border-left: var(--card-border) solid var(--color-neon-purple);
  line-height: 1.2;
}

/* ===== 文章网格 (Bento) ===== */
.page-news__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--grid-gap);
}

/* ===== 卡片链接（整个卡片可点击） ===== */
.page-news__card-link {
  display: block;
  text-decoration: none;
  color: inherit;
  border-radius: var(--card-radius);
  transition: var(--card-transition);
  outline-offset: 4px;
}

.page-news__card-link:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 4px;
}

.page-news__card-link:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

/* ===== 卡片 ===== */
.page-news__card {
  display: flex;
  flex-direction: column;
  background: var(--color-card-bg);
  border: var(--card-border) solid var(--color-border);
  border-radius: var(--card-radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--card-transition);
  height: 100%;
}

.page-news__card-img {
  display: block;
  width: 100%;
  height: 200px;
  object-fit: cover;
  object-position: center;
  border-bottom: 2px solid var(--color-border);
}

.page-news__card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 20px 20px 24px;
}

.page-news__tag {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 14px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: 20px;
  margin-bottom: 12px;
  border: 2px solid;
  line-height: 1.4;
}

.page-news__tag--review {
  color: var(--color-gold);
  border-color: var(--color-gold);
  background: rgba(240, 192, 64, 0.1);
}

.page-news__tag--compare {
  color: var(--color-neon-purple);
  border-color: var(--color-neon-purple);
  background: rgba(160, 32, 240, 0.1);
}

.page-news__tag--column {
  color: #4fc3f7;
  border-color: #4fc3f7;
  background: rgba(79, 195, 247, 0.1);
}

.page-news__tag--data {
  color: #ff8a65;
  border-color: #ff8a65;
  background: rgba(255, 138, 101, 0.1);
}

.page-news__card-title {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-white);
  transition: color var(--transition-speed);
}

.page-news__card-link:hover .page-news__card-title {
  color: var(--color-gold);
}

.page-news__card-summary {
  margin: 0 0 16px;
  font-size: 0.9rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.78);
  flex: 1;
}

.page-news__card-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-neon-purple);
  transition: gap var(--transition-speed);
  margin-top: auto;
}

.page-news__card-link:hover .page-news__card-cta {
  gap: 12px;
  color: var(--color-gold);
}

/* ===== 卡片尺寸变体 ===== */
.page-news__card--featured .page-news__card-img {
  height: 240px;
}

.page-news__card--featured .page-news__card-title {
  font-size: 1.35rem;
}

.page-news__card--medium .page-news__card-img {
  height: 220px;
}

.page-news__card--medium .page-news__card-title {
  font-size: 1.2rem;
}

.page-news__card--compact .page-news__card-img {
  height: 180px;
}

.page-news__card--compact .page-news__card-title {
  font-size: 1.05rem;
}

/* ===== 无图卡片（数据解读） ===== */
.page-news__card-link[data-category="data"] .page-news__card-body {
  padding-top: 28px;
}

.page-news__card-link[data-category="data"] .page-news__card {
  background: linear-gradient(145deg, rgba(20, 30, 50, 0.85), rgba(10, 20, 40, 0.9));
  border-style: dashed;
  border-color: var(--color-neon-purple);
  border-width: 3px;
}

/* ===== 响应式: 平板 (≥768px) ===== */
@media (min-width: 768px) {
  .page-news {
    padding: 0 32px 80px;
  }

  .page-news__hero {
    min-height: 380px;
  }

  .page-news__hero-img {
    height: 380px;
  }

  .page-news__hero-overlay {
    padding: 40px 48px;
  }

  .page-news__title {
    font-size: 2.8rem;
  }

  .page-news__subtitle {
    font-size: 1.1rem;
  }

  .page-news__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-news__card--featured {
    grid-column: 1 / -1;
  }

  .page-news__card--featured .page-news__card-img {
    height: 280px;
  }

  .page-news__card--medium .page-news__card-img {
    height: 240px;
  }

  .page-news__card--compact .page-news__card-img {
    height: 200px;
  }

  .page-news__card-title {
    font-size: 1.2rem;
  }

  .page-news__card--featured .page-news__card-title {
    font-size: 1.5rem;
  }

  .page-news__card-body {
    padding: 24px 24px 28px;
  }

  .page-news__section-title {
    font-size: 1.8rem;
    margin-bottom: 28px;
  }
}

/* ===== 响应式: 桌面 (≥1024px) ===== */
@media (min-width: 1024px) {
  .page-news {
    padding: 0 48px 100px;
  }

  .page-news__hero {
    min-height: 420px;
    margin-bottom: 48px;
  }

  .page-news__hero-img {
    height: 420px;
  }

  .page-news__hero-overlay {
    padding: 48px 56px;
  }

  .page-news__title {
    font-size: 3.2rem;
  }

  .page-news__subtitle {
    font-size: 1.2rem;
    max-width: 600px;
  }

  .page-news__grid {
    grid-template-columns: 2fr 1fr 1fr;
    grid-auto-rows: auto;
    gap: 28px;
  }

  .page-news__card--featured {
    grid-column: 1 / 2;
    grid-row: 1 / 3;
  }

  .page-news__card--featured .page-news__card-img {
    height: 300px;
  }

  .page-news__card--featured .page-news__card-title {
    font-size: 1.6rem;
  }

  .page-news__card--compact {
    grid-column: 2 / 3;
  }

  .page-news__card--compact:nth-child(2) {
    grid-row: 1 / 2;
  }

  .page-news__card--medium {
    grid-column: 3 / 4;
    grid-row: 1 / 3;
  }

  .page-news__card--medium .page-news__card-img {
    height: 260px;
  }

  .page-news__card--compact:nth-child(4) {
    grid-column: 2 / 3;
    grid-row: 2 / 3;
  }

  .page-news__card-link[data-category="data"] .page-news__card {
    min-height: 260px;
    justify-content: center;
  }

  .page-news__card-body {
    padding: 28px 28px 32px;
  }

  .page-news__card-title {
    font-size: 1.25rem;
  }

  .page-news__card-summary {
    font-size: 0.95rem;
  }

  .page-news__section-title {
    font-size: 2rem;
    margin-bottom: 32px;
  }

  .page-news__filter-btn {
    padding: 12px 32px;
    font-size: 1rem;
  }
}

/* ===== 大桌面 (≥1280px) ===== */
@media (min-width: 1280px) {
  .page-news__grid {
    gap: 32px;
  }

  .page-news__card--featured .page-news__card-img {
    height: 340px;
  }

  .page-news__card--medium .page-news__card-img {
    height: 280px;
  }

  .page-news__card--compact .page-news__card-img {
    height: 220px;
  }

  .page-news__card-body {
    padding: 32px 32px 36px;
  }

  .page-news__card--featured .page-news__card-title {
    font-size: 1.8rem;
  }
}