/* ===== 牌局专题 / page-news ===== */

.page-news {
  --news-violet-glow: rgba(154, 99, 255, 0.32);
  --news-teal-soft: rgba(20, 216, 182, 0.10);
  --news-teal-edge: rgba(20, 216, 182, 0.34);
  display: block;
}

.page-news .breadcrumbs {
  padding-top: 18px;
}

/* —— 页首 —— */
.page-news .news-intro {
  padding: 6px 0 clamp(26px, 5vw, 52px);
}

.page-news .news-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--neon-violet);
}

.page-news .news-eyebrow::before {
  content: "";
  display: block;
  width: 26px;
  height: 2px;
  background: var(--neon-violet);
}

.page-news .news-title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 9vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--paper-white);
  text-shadow: 0 0 22px var(--news-violet-glow), 0 0 2px rgba(154, 99, 255, 0.7);
}

.page-news .news-lede {
  max-width: 62ch;
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--paper-mute);
}

.page-news .news-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  background: var(--edge-line);
  border: 1px solid var(--edge-line);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.page-news .news-stat {
  background: var(--panel-ink);
  padding: 16px 16px 18px;
}

.page-news .news-stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--paper-white);
  font-variant-numeric: tabular-nums;
}

.page-news .news-stat-label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--paper-mute);
}

/* —— 筛选条 —— */
.page-news .topic-filter {
  margin: 0 0 20px;
  padding: 14px 0 16px;
  border-top: 1px solid var(--edge-line);
  border-bottom: 1px solid var(--edge-line);
}

/* —— 列表容器 —— */
.page-news .topic-feed {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-bottom: clamp(48px, 8vw, 88px);
}

/* —— 章节面板 —— */
.page-news .topic-block {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  padding: 20px 18px 22px;
  border: 1px solid var(--edge-line);
  border-radius: var(--radius-panel);
  background: var(--panel-ink);
  overflow: hidden;
}

.page-news .topic-block::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--neon-violet), var(--arcade-teal));
  transition: width 0.5s var(--ease);
}

.page-news .topic-block:hover::after,
.page-news .topic-block:focus-within::after {
  width: 100%;
}

.page-news .topic-block--pinned {
  background: linear-gradient(135deg, rgba(154, 99, 255, 0.10), var(--panel-ink) 55%);
  border-color: rgba(154, 99, 255, 0.30);
}

.page-news .topic-block--session {
  background: var(--panel-ink-2);
  border-color: rgba(20, 216, 182, 0.22);
}

.page-news .topic-rail {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.page-news .topic-index {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(38px, 10vw, 60px);
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: transparent;
  -webkit-text-stroke: 1px var(--neon-violet);
}

.page-news .topic-head {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.3;
  color: var(--paper-white);
}

.page-news .topic-sub {
  margin: 0;
  max-width: 34ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-mute);
}

.page-news .topic-cover {
  margin: 6px 0 0;
  background: var(--panel-ink-2);
}

.page-news .topic-cover img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* —— 条目列表 —— */
.page-news .topic-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.page-news .topic-item {
  position: relative;
  border: 1px solid var(--edge-line);
  border-radius: var(--radius-card);
  background: var(--panel-ink-2);
  overflow: hidden;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-news .topic-item::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: var(--neon-violet);
}

.page-news .topic-item--teal::before { background: var(--arcade-teal); }
.page-news .topic-item--warn::before { background: var(--amber-warn); }
.page-news .topic-item--amber::before { background: var(--amber-warn); }
.page-news .topic-item--rose::before { background: var(--signal-rose); }
.page-news .topic-item--muted::before { background: var(--ice-dim); }

.page-news .topic-item:hover {
  border-color: rgba(154, 99, 255, 0.42);
}

.page-news .topic-item--pinned {
  background: linear-gradient(120deg, rgba(154, 99, 255, 0.16), rgba(27, 27, 38, 1) 62%);
  border-color: rgba(154, 99, 255, 0.40);
}

.page-news .topic-summary {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 7px 12px;
  padding: 14px 14px 14px 20px;
  cursor: pointer;
  list-style: none;
}

.page-news .topic-summary::-webkit-details-marker { display: none; }
.page-news .topic-summary::marker { content: ""; }

.page-news .topic-code {
  grid-column: 1;
  justify-self: start;
  padding: 2px 8px;
  border-radius: 5px;
  background: var(--paper-white);
  color: var(--base-ink);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.page-news .topic-title {
  grid-column: 1;
  font-family: var(--font-heading);
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper-white);
}

.page-news .topic-hint {
  grid-column: 2;
  grid-row: 1 / span 2;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--edge-line);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--neon-violet);
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-news .topic-hint::after { content: "+"; }

.page-news .topic-item[open] .topic-hint {
  background: var(--neon-violet);
  color: var(--base-ink);
  border-color: var(--neon-violet);
}

.page-news .topic-item[open] .topic-hint::after { content: "−"; }

.page-news .topic-node {
  position: absolute;
  right: 58px;
  bottom: 12px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: var(--neon-violet);
  color: var(--base-ink);
  font-family: var(--font-mono);
  font-size: 11px;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(10px);
  pointer-events: none;
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-news .topic-item:hover .topic-node,
.page-news .topic-item:focus-within .topic-node {
  opacity: 1;
  transform: translateX(0);
}

.page-news .topic-body {
  margin: 0 16px 0 20px;
  padding: 12px 0 16px;
  border-top: 1px dashed var(--edge-line);
}

.page-news .topic-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper-mute);
}

.page-news .topic-refs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .topic-ref {
  display: inline-block;
  padding: 3px 10px;
  border: 1px solid var(--news-teal-edge);
  border-radius: var(--radius-pill);
  background: var(--news-teal-soft);
  color: var(--arcade-teal);
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-decoration: none;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-news .topic-ref:hover {
  background: rgba(20, 216, 182, 0.22);
  color: var(--paper-white);
}

/* —— 讲解桌安排 —— */
.page-news .session-card {
  padding: 18px 16px 20px;
  border: 1px solid var(--edge-line);
  border-radius: var(--radius-card);
  background: var(--base-ink);
}

.page-news .session-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--arcade-teal);
  font-variant-numeric: tabular-nums;
}

.page-news .session-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .session-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-news .session-num {
  padding: 2px 7px;
  border-radius: 5px;
  background: var(--paper-white);
  color: var(--base-ink);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.page-news .session-text {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--paper-mute);
}

.page-news .session-note {
  margin: 16px 0 18px;
  padding-left: 12px;
  border-left: 2px solid var(--amber-warn);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--paper-mute);
}

/* —— 平板与桌面 —— */
@media (min-width: 620px) {
  .page-news .news-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .topic-block {
    padding: 24px 22px 26px;
  }

  .page-news .topic-title {
    font-size: 16.5px;
  }
}

@media (min-width: 900px) {
  .page-news .topic-feed {
    gap: 22px;
  }

  .page-news .topic-block {
    grid-template-columns: minmax(0, 272px) minmax(0, 1fr);
    gap: clamp(24px, 3.4vw, 48px);
    padding: 32px 32px 34px 28px;
  }

  .page-news .topic-block--pinned {
    margin-right: 24px;
  }

  .page-news .topic-rail {
    position: sticky;
    top: calc(var(--header-h-slim) + 18px);
    align-self: start;
  }

  .page-news .topic-list {
    gap: 12px;
  }

  .page-news .topic-summary {
    padding: 16px 18px 16px 22px;
  }

  .page-news .topic-body {
    margin: 0 20px 0 22px;
  }

  .page-news .session-card {
    padding: 24px 24px 26px;
  }
}

@media (max-width: 560px) {
  .page-news .topic-node {
    display: none;
  }

  .page-news .topic-code {
    font-size: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .topic-item,
  .page-news .topic-block::after,
  .page-news .topic-hint,
  .page-news .topic-node,
  .page-news .topic-ref {
    transition: none !important;
  }

  .page-news .topic-node {
    opacity: 1;
    transform: none;
  }
}
</main>