/* ===== 赛场观察 / page-news ===== */

.page-news {
  --news-bar: 4px;
  --news-rail: 2.75rem;
  --news-rule: 1px solid var(--c-line);
}

/* ---------- 刊头 ---------- */
.page-news .news-mast {
  position: relative;
  padding-top: var(--sp-6);
  padding-bottom: var(--sp-6);
  border-top: var(--news-rule);
  overflow: hidden;
}

.page-news .news-mast::before {
  content: "";
  position: absolute;
  inset: -30% -15% auto -15%;
  height: 360px;
  background:
    radial-gradient(45% 60% at 18% 45%, rgba(76, 240, 163, 0.10), transparent 70%),
    radial-gradient(42% 55% at 84% 32%, rgba(255, 154, 60, 0.09), transparent 70%);
  pointer-events: none;
}

.page-news .news-mast > * {
  position: relative;
  z-index: 1;
}

.page-news .news-mast__title {
  margin: var(--sp-3) 0 0;
  max-width: 26ch;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-h1);
  line-height: 1.22;
  letter-spacing: 0.01em;
  color: var(--c-ink);
}

.page-news .news-mast__lede {
  margin: var(--sp-3) 0 0;
  max-width: 62ch;
  font-size: var(--fs-body);
  line-height: 1.9;
  color: var(--c-muted);
}

.page-news .news-mast__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-3) var(--sp-2);
  margin: var(--sp-6) 0 0;
  padding: var(--sp-4) 0 0;
  border-top: var(--news-rule);
  list-style: none;
}

.page-news .news-stat {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  min-width: 0;
}

.page-news .news-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 9vw, 3.25rem);
  font-weight: 600;
  line-height: 0.9;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--c-accent);
}

.page-news .news-stat__num--warm {
  color: var(--c-warm);
}

.page-news .news-stat__label {
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  letter-spacing: 0.08em;
  line-height: 1.6;
  color: var(--c-muted);
}

/* ---------- 轮次索引 ---------- */
.page-news .news-rounds {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-1) var(--sp-2);
  margin-top: var(--sp-4);
  padding-top: var(--sp-3);
  border-top: var(--news-rule);
}

.page-news .news-rounds__label {
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  letter-spacing: 0.08em;
  color: var(--c-muted);
}

.page-news .news-rounds__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.75rem;
  height: 2rem;
  padding: 0 var(--sp-1);
  border: var(--news-rule);
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  letter-spacing: 0.08em;
  color: var(--c-ink);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-news .news-rounds__link:hover,
.page-news .news-rounds__link:focus-visible {
  border-color: var(--c-accent);
  color: var(--c-accent);
  background: var(--c-accent-soft);
}

/* ---------- 栏目标签与更新节奏 ---------- */
.page-news .news-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1) var(--sp-2);
  padding: var(--sp-3) 0;
  border-top: var(--news-rule);
  border-bottom: var(--news-rule);
}

.page-news .news-filter {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: 8px 12px;
  border: var(--news-rule);
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  letter-spacing: 0.08em;
  color: var(--c-muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-news .news-filter::before {
  content: "";
  width: 3px;
  height: 14px;
  background: var(--c-cool);
}

.page-news .news-filter--accent::before {
  background: var(--c-accent);
}

.page-news .news-filter--warm::before {
  background: var(--c-warm);
}

.page-news .news-filter:hover,
.page-news .news-filter:focus-visible {
  color: var(--c-ink);
  border-color: var(--c-accent);
  background: var(--c-accent-soft);
}

.page-news .news-cadence {
  margin: var(--sp-3) 0 0;
  padding-left: var(--sp-2);
  border-left: 2px solid var(--c-warm);
  max-width: 72ch;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--c-muted);
}

/* ---------- 章节 ---------- */
.page-news .news-section {
  padding-top: var(--sp-8);
  scroll-margin-top: 96px;
}

.page-news .news-section__head {
  display: grid;
  gap: var(--sp-2);
  padding-bottom: var(--sp-3);
  border-bottom: var(--news-rule);
}

.page-news .news-section__intro {
  margin: 0;
  max-width: 70ch;
  font-size: var(--fs-body);
  line-height: 1.9;
  color: var(--c-muted);
}

.page-news .news-section__foot {
  margin: var(--sp-3) 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  letter-spacing: 0.06em;
  color: var(--c-muted);
}

.page-news .news-section__foot a {
  color: var(--c-accent);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-news .news-section__foot a:hover,
.page-news .news-section__foot a:focus-visible {
  color: var(--c-ink);
}

/* ---------- 条目列表 ---------- */
.page-news .news-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-item {
  position: relative;
  display: grid;
  grid-template-columns: var(--news-bar) var(--news-rail) minmax(0, 1fr);
  column-gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4) var(--sp-3) 0;
  border-bottom: var(--news-rule);
  scroll-margin-top: 110px;
  transition: background-color var(--dur) var(--ease);
}

.page-news .news-item:hover,
.page-news .news-item:focus-within {
  background-color: var(--c-panel);
}

.page-news .news-item::after {
  content: "→";
  position: absolute;
  top: var(--sp-3);
  right: 0;
  font-family: var(--font-mono);
  font-size: 1.0625rem;
  color: var(--c-accent);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  pointer-events: none;
}

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

.page-news .news-item__bar {
  align-self: stretch;
  background: var(--c-line);
  transition: background-color var(--dur) var(--ease);
}

.page-news .news-item__bar--accent {
  background: rgba(76, 240, 163, 0.4);
}

.page-news .news-item__bar--warm {
  background: rgba(255, 154, 60, 0.42);
}

.page-news .news-item:hover .news-item__bar--accent {
  background: var(--c-accent);
}

.page-news .news-item:hover .news-item__bar--warm {
  background: var(--c-warm);
}

.page-news .news-item__round {
  align-self: start;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  text-align: right;
  color: var(--c-cool);
}

.page-news .news-item__body {
  min-width: 0;
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-1) var(--sp-2);
  margin: 0 0 var(--sp-1);
}

.page-news .news-item__time {
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  letter-spacing: 0.06em;
  color: var(--c-muted);
}

.page-news .news-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.0625rem;
  line-height: 1.5;
  color: var(--c-ink);
}

.page-news .news-item__summary {
  margin: var(--sp-1) 0 0;
  max-width: 66ch;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--c-muted);
  transition: color var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-news .news-item:hover .news-item__summary,
.page-news .news-item:focus-within .news-item__summary {
  color: var(--c-ink);
  opacity: 0.86;
}

.page-news .news-item__figure {
  margin: var(--sp-2) 0 0;
  max-width: 520px;
}

.page-news .news-item__figure img {
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 产品与版本动态 ---------- */
.page-news .news-logs {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-log {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--sp-2);
  align-items: baseline;
  padding: var(--sp-2) 0;
  border-bottom: var(--news-rule);
}

.page-news .news-log:first-child {
  border-top: var(--news-rule);
}

.page-news .news-log__tag {
  padding: 2px 8px;
  border: 1px solid rgba(255, 154, 60, 0.35);
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  letter-spacing: 0.08em;
  white-space: nowrap;
  color: var(--c-warm);
}

.page-news .news-log__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--c-muted);
  transition: color var(--dur) var(--ease);
}

.page-news .news-log:hover .news-log__text {
  color: var(--c-ink);
}

/* ---------- 订阅与回看 ---------- */
.page-news .news-section--follow {
  margin-top: var(--sp-8);
  padding-bottom: var(--sp-8);
  background: linear-gradient(
    180deg,
    rgba(29, 85, 102, 0.3) 0%,
    rgba(6, 26, 34, 0) 72%
  );
}

.page-news .news-follow {
  display: grid;
  gap: var(--sp-4);
}

.page-news .news-follow__lead {
  display: grid;
  gap: var(--sp-2);
  max-width: 62ch;
}

.page-news .news-follow__lead p {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.9;
  color: var(--c-muted);
}

.page-news .news-follow__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--news-rule);
}

.page-news .news-follow__item {
  display: grid;
  gap: var(--sp-1);
  padding: var(--sp-2) 0;
  border-bottom: var(--news-rule);
}

.page-news .news-follow__key {
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  letter-spacing: 0.08em;
  color: var(--c-accent);
}

.page-news .news-follow__val {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--c-muted);
}

.page-news .news-follow__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 700px) {
  .page-news .news-mast {
    padding-top: var(--sp-8);
  }

  .page-news .news-mast__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--sp-4);
  }

  .page-news .news-item {
    --news-rail: 4.5rem;
    padding-right: var(--sp-6);
  }

  .page-news .news-item__round {
    font-size: 2.5rem;
  }

  .page-news .news-item__title {
    font-size: var(--fs-h3);
  }

  .page-news .news-item__summary {
    font-size: 1rem;
  }

  .page-news .news-item__figure {
    max-width: 560px;
  }

  .page-news .news-log {
    grid-template-columns: 7.5rem minmax(0, 1fr);
    gap: var(--sp-3);
  }

  .page-news .news-follow {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    column-gap: var(--sp-8);
    row-gap: var(--sp-4);
    align-items: start;
  }

  .page-news .news-follow__lead {
    grid-column: 1;
    grid-row: 1;
  }

  .page-news .news-follow__list {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .page-news .news-follow__actions {
    grid-column: 1;
    grid-row: 2;
  }
}

/* ---------- 宽屏 ---------- */
@media (min-width: 1060px) {
  .page-news .news-item {
    --news-rail: 5.5rem;
  }

  .page-news .news-item__round {
    font-size: 3rem;
  }

  .page-news .news-item__figure {
    max-width: 620px;
  }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-item::after,
  .page-news .news-item__bar,
  .page-news .news-item__summary,
  .page-news .news-log__text,
  .page-news .news-filter,
  .page-news .news-rounds__link {
    transition: none;
  }

  .page-news .news-item::after {
    opacity: 1;
    transform: none;
  }
}