.page-news {
  --timeline-col: 48px;
  --timeline-gap: 14px;
  --timeline-node-x: calc(var(--timeline-col) + var(--timeline-gap) / 2);
  --news-sticky-top: calc(var(--header-height) + 12px);
  position: relative;
  color: var(--color-text);
}

/* ===== 顶部横幅 ===== */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-height) + 36px) 0 24px;
  background:
    radial-gradient(ellipse at 78% 18%, rgba(30, 58, 138, 0.45), transparent 60%),
    linear-gradient(rgba(103, 232, 249, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(103, 232, 249, 0.04) 1px, transparent 1px),
    var(--color-bg);
  background-size: auto, 40px 40px, 40px 40px, auto;
}
.page-news .news-hero__inner {
  display: grid;
  gap: 28px;
}
.page-news .news-hero h1 {
  font-family: var(--font-sans);
  font-size: clamp(2.1rem, 4.5vw, 3.4rem);
  font-weight: 900;
  line-height: 1.12;
  margin: 14px 0 12px;
  letter-spacing: -0.02em;
}
.page-news .news-hero .lead {
  max-width: 46ch;
  color: var(--color-muted);
}
.page-news .news-hero__figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}
.page-news .news-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ===== 动态列表区 ===== */
.page-news .news-listing {
  margin-top: 104px;
}
.page-news .news-list-title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  font-weight: 700;
  margin-bottom: 20px;
}
.page-news .news-list-title::before {
  content: "01";
  font-family: var(--font-sans);
  font-style: italic;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--color-accent);
}

/* 筛选输入框（视觉隐藏，键盘依然可聚焦） */
.page-news .filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
  margin: -1px;
  padding: 0;
}

/* 筛选栏 */
.page-news .filter-bar {
  position: sticky;
  top: var(--news-sticky-top);
  z-index: 30;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  width: 100%;
  padding: 10px 12px;
  background: rgba(11, 21, 38, 0.86);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-pill);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}
.page-news .filter-label {
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-muted);
  background: var(--glass-panel);
  border: 1px solid transparent;
  cursor: pointer;
  transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.page-news .filter-label:hover {
  color: var(--color-accent);
  border-color: rgba(0, 255, 157, 0.35);
}
.page-news #filter-all:checked ~ .filter-bar label[for="filter-all"],
.page-news #filter-db:checked ~ .filter-bar label[for="filter-db"],
.page-news #filter-member:checked ~ .filter-bar label[for="filter-member"],
.page-news #filter-client:checked ~ .filter-bar label[for="filter-client"],
.page-news #filter-brand:checked ~ .filter-bar label[for="filter-brand"] {
  background: var(--color-accent);
  color: var(--color-bg);
  box-shadow: var(--shadow-accent);
}
.page-news #filter-all:focus-visible ~ .filter-bar label[for="filter-all"],
.page-news #filter-db:focus-visible ~ .filter-bar label[for="filter-db"],
.page-news #filter-member:focus-visible ~ .filter-bar label[for="filter-member"],
.page-news #filter-client:focus-visible ~ .filter-bar label[for="filter-client"],
.page-news #filter-brand:focus-visible ~ .filter-bar label[for="filter-brand"] {
  outline: 2px solid var(--color-cyan);
  outline-offset: 2px;
}
.page-news #filter-db:checked ~ .news-timeline .news-item:not([data-cat="db"]),
.page-news #filter-member:checked ~ .news-timeline .news-item:not([data-cat="member"]),
.page-news #filter-client:checked ~ .news-timeline .news-item:not([data-cat="client"]),
.page-news #filter-brand:checked ~ .news-timeline .news-item:not([data-cat="brand"]) {
  display: none;
}

/* ===== 时间轴 ===== */
.page-news .news-timeline {
  margin-top: 28px;
  display: grid;
  gap: 28px;
}
.page-news .news-item {
  position: relative;
  display: grid;
  grid-template-columns: var(--timeline-col) minmax(0, 1fr);
  column-gap: var(--timeline-gap);
}
.page-news .news-item::before {
  content: "";
  position: absolute;
  top: 6px;
  left: calc(var(--timeline-node-x) - 6px);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 14px rgba(0, 255, 157, 0.5);
  z-index: 2;
}
.page-news .news-item::after {
  content: "";
  position: absolute;
  top: 24px;
  left: calc(var(--timeline-node-x) - 1px);
  width: 2px;
  height: 52px;
  background: linear-gradient(to bottom, rgba(0, 255, 157, 0.5), rgba(103, 232, 249, 0.08));
  z-index: 1;
}
.page-news .news-item:last-child::after {
  display: none;
}
.page-news .news-item__time {
  padding-top: 2px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-muted);
}

/* 动态卡片 */
.page-news .news-item__card {
  position: relative;
  padding: 18px 20px;
  background: var(--glass-panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  transition: border-color 0.3s ease, transform 0.3s ease, background 0.3s ease;
}
.page-news .news-item:hover .news-item__card,
.page-news .news-item:focus-within .news-item__card {
  border-color: rgba(0, 255, 157, 0.4);
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.08);
}
.page-news .news-item__card::after {
  content: "→";
  position: absolute;
  right: 20px;
  top: 20px;
  font-size: 1.1rem;
  color: var(--color-accent);
  transform: translateX(10px);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.page-news .news-item:hover .news-item__card::after,
.page-news .news-item:focus-within .news-item__card::after {
  opacity: 1;
  transform: translateX(0);
}
.page-news .news-item__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.page-news .news-item__meta .tag {
  background: rgba(103, 232, 249, 0.12);
  color: var(--color-cyan);
}
.page-news .news-item__meta .tag-green {
  background: rgba(0, 255, 157, 0.12);
  color: var(--color-accent);
}
.page-news .news-item__meta .tag-gold {
  background: rgba(255, 215, 0, 0.12);
  color: var(--color-gold);
}
.page-news .news-item__card h3 {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 8px;
  color: var(--color-text);
  padding-right: 28px;
}
.page-news .news-item__card > p {
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 10px;
}

/* 详情展开 */
.page-news .news-detail {
  font-size: 0.875rem;
}
.page-news .news-detail summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  cursor: pointer;
  color: var(--color-cyan);
  font-weight: 500;
  transition: color 0.2s ease;
}
.page-news .news-detail summary:hover {
  color: var(--color-accent);
}
.page-news .news-detail summary::-webkit-details-marker {
  display: none;
}
.page-news .news-detail summary::before {
  content: "＋";
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.95rem;
}
.page-news .news-detail[open] summary::before {
  content: "－";
}
.page-news .news-detail__toggle-close {
  display: none;
}
.page-news .news-detail[open] .news-detail__toggle-open {
  display: none;
}
.page-news .news-detail[open] .news-detail__toggle-close {
  display: inline;
}
.page-news .news-detail__content {
  margin-top: 12px;
  padding: 12px 14px;
  border-left: 2px solid var(--color-accent);
  background: rgba(0, 255, 157, 0.04);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--color-muted);
  line-height: 1.75;
}

/* ===== 版本更新专题 ===== */
.page-news .section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
}
.page-news .section-index {
  font-family: var(--font-sans);
  font-weight: 700;
  font-style: italic;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--color-accent);
}
.page-news .section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 700;
}
.page-news .news-feature {
  margin-top: 96px;
}
.page-news .news-feature__panel {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  background:
    radial-gradient(circle at 15% 20%, rgba(30, 58, 138, 0.55), transparent 55%),
    radial-gradient(circle at 85% 80%, rgba(0, 255, 157, 0.1), transparent 45%),
    var(--glass-panel);
  border: 1px solid var(--border-soft);
}
.page-news .news-feature__grid {
  display: grid;
  gap: 28px;
  margin-top: 24px;
}
.page-news .news-feature__version {
  margin-top: 12px;
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 900;
  font-style: italic;
  line-height: 1;
  color: rgba(0, 255, 157, 0.08);
  -webkit-text-stroke: 1px var(--color-accent);
}
.page-news .news-feature__desc {
  margin-top: 12px;
  color: var(--color-muted);
  font-size: 0.95rem;
  max-width: 40ch;
}
.page-news .news-feature__list {
  list-style: none;
  margin-top: 18px;
  display: grid;
  gap: 10px;
}
.page-news .news-feature__list li {
  position: relative;
  padding-left: 24px;
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}
.page-news .news-feature__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.65em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--color-accent);
  transform: rotate(45deg);
}
.page-news .news-feature__figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-soft);
}
.page-news .news-feature__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-news .news-feature__trail {
  margin-top: 20px;
  font-size: 0.875rem;
  color: var(--color-muted);
}
.page-news .news-feature__trail a {
  color: var(--color-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(103, 232, 249, 0.4);
}
.page-news .news-feature__trail a:hover {
  color: var(--color-accent);
}

/* 会员权益对照 */
.page-news .member-compare__note {
  margin: 28px 0 14px;
  font-size: 0.9rem;
  color: var(--color-muted);
}
.page-news .member-compare {
  display: grid;
  gap: 16px;
}
.page-news .member-tier {
  padding: 20px;
  border-radius: var(--radius-lg);
  background: var(--glass-panel);
  border: 1px solid var(--border-soft);
}
.page-news .member-tier--plus {
  border-color: rgba(255, 215, 0, 0.35);
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.08), var(--glass-panel));
}
.page-news .member-tier__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.page-news .member-tier__head .tag {
  background: rgba(103, 232, 249, 0.12);
  color: var(--color-cyan);
}
.page-news .member-tier--plus .member-tier__head .tag {
  background: rgba(255, 215, 0, 0.12);
  color: var(--color-gold);
}
.page-news .member-tier__price {
  font-size: 0.8rem;
  color: var(--color-muted);
}
.page-news .member-tier__list {
  list-style: none;
  display: grid;
  gap: 8px;
}
.page-news .member-tier__list li {
  position: relative;
  padding-left: 22px;
  color: var(--color-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}
.page-news .member-tier__list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 700;
  color: var(--color-accent);
}
.page-news .member-tier--plus .member-tier__list li::before {
  color: var(--color-gold);
}

/* ===== 操作指南 ===== */
.page-news .news-guide {
  margin-top: 96px;
}
.page-news .news-guide__grid {
  display: grid;
  gap: 24px;
  margin-top: 28px;
}
.page-news .guide-card {
  position: relative;
  padding: 26px 24px;
  border-radius: var(--radius-lg);
  background: var(--glass-panel);
  border: 1px solid var(--border-soft);
  transition: border-color 0.3s ease;
}
.page-news .guide-card:hover {
  border-color: rgba(103, 232, 249, 0.35);
}
.page-news .guide-card__num {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: rgba(0, 255, 157, 0.1);
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.page-news .guide-card h3 {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 700;
  margin: 14px 0 4px;
}
.page-news .guide-card ol {
  list-style: none;
  margin-top: 16px;
  display: grid;
  gap: 14px;
}
.page-news .guide-card ol li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}
.page-news .guide-step-num {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(103, 232, 249, 0.15);
  color: var(--color-cyan);
  font-size: 0.8rem;
  font-weight: 700;
}
.page-news .guide-card__hint {
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.7;
}
.page-news .guide-card__hint a {
  color: var(--color-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(103, 232, 249, 0.4);
}
.page-news .guide-layout__figure {
  margin-top: 24px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-soft);
}
.page-news .guide-layout__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ===== 底部数据区 ===== */
.page-news .news-stats {
  margin-top: 96px;
  margin-bottom: 72px;
}
.page-news .news-stats__panel {
  display: grid;
  gap: 28px;
  padding: 36px 24px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 85% 10%, rgba(30, 58, 138, 0.6), transparent 55%),
    radial-gradient(circle at 10% 90%, rgba(0, 255, 157, 0.08), transparent 40%),
    var(--glass-panel);
  border: 1px solid var(--border-soft);
}
.page-news .news-stats .lead {
  margin: 8px 0 20px;
  color: var(--color-muted);
}
.page-news .news-stats__nums {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  margin-bottom: 24px;
}
.page-news .stat-num {
  display: block;
  font-size: 2rem;
  font-weight: 900;
  font-style: italic;
  line-height: 1.1;
  color: var(--color-accent);
}
.page-news .stat-num--gold {
  color: var(--color-gold);
}
.page-news .stat-label {
  display: block;
  margin-top: 6px;
  font-size: 0.8rem;
  color: var(--color-muted);
}
.page-news .news-stats__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-news .news-stats__figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  align-self: end;
}
.page-news .news-stats__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ===== 桌面端增强 ===== */
@media (min-width: 720px) {
  .page-news {
    --timeline-col: 96px;
    --timeline-gap: 28px;
  }
  .page-news .news-item__card {
    padding: 22px 26px;
  }
  .page-news .news-item__card h3 {
    font-size: 1.15rem;
  }
  .page-news .news-feature__panel {
    padding: 44px 40px;
  }
  .page-news .member-compare {
    grid-template-columns: 1fr 1fr;
  }
  .page-news .news-guide__grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-news .news-stats__panel {
    grid-template-columns: 1fr auto;
    align-items: center;
    padding: 44px 40px;
  }
  .page-news .news-stats__figure {
    max-width: 360px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero {
    padding-top: calc(var(--header-height) + 72px);
  }
  .page-news .news-hero__inner {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
    gap: 48px;
  }
  .page-news .news-feature__grid {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
  }
}