/* ===== 趋势观察 ===== */
.page-news {
  --news-rail: clamp(206px, 20vw, 256px);
  --news-dot: 9px;
  background: var(--c-ink);
  color: var(--c-paper);
}

.page-news [data-reveal] {
  opacity: 1;
  transform: none;
}
.js-ready .page-news [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .42s var(--ease), transform .42s var(--ease);
}
.js-ready .page-news [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.page-news a:focus-visible {
  outline: 2px solid var(--c-lime);
  outline-offset: 2px;
}

/* ---------- 封面 ---------- */
.page-news .news-cover {
  padding: clamp(26px, 4vw, 54px) 0 clamp(22px, 3vw, 38px);
  border-bottom: 1px solid var(--wire-line);
}

.page-news .breadcrumb {
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-news .cover-grid {
  display: grid;
  gap: clamp(22px, 3vw, 44px);
}

.page-news .cover-main {
  min-width: 0;
}

.page-news h1 {
  font-family: var(--f-display);
  font-size: var(--fs-h1);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: .01em;
  margin: 10px 0 16px;
  color: var(--c-paper);
}

.page-news .cover-lead {
  max-width: 34em;
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--c-steel);
}

.page-news .cover-meter {
  display: grid;
  gap: 1px;
  margin: 0;
  background: var(--wire-hair);
  border: 1px solid var(--wire-line);
}

.page-news .meter-cell {
  background: var(--c-panel);
  padding: 13px 16px;
}

.page-news .meter-cell dt {
  margin: 0 0 4px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-steel);
}

.page-news .cover-meter dd {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 6px;
  margin: 0;
}

.page-news .meter-num {
  font-family: var(--f-mono);
  font-size: var(--fs-num-md);
  font-weight: 700;
  line-height: 1.05;
  color: var(--c-lime);
  font-variant-numeric: tabular-nums;
}

.page-news .meter-unit {
  font-family: var(--f-mono);
  font-size: 13px;
  color: var(--c-steel);
}

.page-news .meter-desc {
  flex: 1 0 100%;
  margin-top: 3px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-steel);
}

/* ---------- 主体网格 ---------- */
.page-news .news-body {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  padding: clamp(28px, 4vw, 52px) 0 clamp(52px, 7vw, 92px);
}

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

/* ---------- 左侧索引 ---------- */
.page-news .news-rail {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-news .rail-head {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-steel);
}

.page-news .rail-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}
.page-news .rail-list::-webkit-scrollbar {
  display: none;
}
.page-news .rail-list > li {
  flex: 0 0 auto;
}

.page-news .rail-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  border: 1px solid var(--wire-hair);
  background: var(--c-green);
  color: var(--c-paper);
  font-size: 14px;
  line-height: 1.3;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease), transform .22s var(--ease);
}

.page-news .rail-link:hover,
.page-news .rail-link:focus-visible {
  background: var(--c-panel);
  border-color: var(--lime-soft);
  color: var(--c-lime);
  transform: translateX(2px);
}

.page-news .rail-idx {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--c-orange);
}

.page-news .rail-note {
  padding: 14px 16px;
  border: 1px solid var(--wire-hair);
  border-left: 2px solid var(--c-lime);
  background: var(--c-panel);
}

.page-news .rail-note-title {
  margin: 0 0 6px;
  font-family: var(--f-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--c-paper);
}

.page-news .rail-note p:last-child {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-steel);
}

/* ---------- 区块骨架 ---------- */
.page-news .stream-block {
  padding-bottom: clamp(32px, 4vw, 50px);
  margin-bottom: clamp(32px, 4vw, 50px);
  border-bottom: 1px solid var(--wire-hair);
}
.page-news .stream-block:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.page-news .block-head {
  display: flex;
  align-items: baseline;
  gap: 13px;
  margin-bottom: 10px;
}

.page-news .block-num {
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--c-orange);
}

.page-news .block-head h2 {
  margin: 0;
  font-family: var(--f-display);
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: 1.1;
  color: var(--c-paper);
}

.page-news .block-lead {
  max-width: 34em;
  margin: 0 0 clamp(18px, 2.6vw, 30px);
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-steel);
}

/* ---------- 时间轴条目 ---------- */
.page-news .entry-list {
  display: grid;
}

.page-news .entry {
  position: relative;
  padding: clamp(17px, 2vw, 24px) 0 clamp(17px, 2vw, 24px) clamp(17px, 2vw, 26px);
  border-left: 1px solid var(--wire-hair);
  transition: border-color .24s var(--ease), transform .24s var(--ease);
}

.page-news .entry::before {
  content: "";
  position: absolute;
  left: -4px;
  top: clamp(22px, 2.4vw, 30px);
  width: var(--news-dot);
  height: var(--news-dot);
  border-radius: 50%;
  background: var(--c-orange);
  box-shadow: 0 0 0 3px var(--c-ink);
}

.page-news .entry:hover {
  border-left-color: var(--c-lime);
  transform: translateX(2px);
}

.page-news .entry--lead {
  display: grid;
  gap: clamp(15px, 2vw, 22px);
}

.page-news .entry-body {
  min-width: 0;
}

.page-news .entry-media {
  margin: 0;
}

.page-news .entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 9px;
}

.page-news .entry-when {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-steel);
}

.page-news .entry-title {
  margin: 0 0 8px;
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-paper);
}

.page-news .entry-text {
  max-width: 34em;
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--c-steel);
}

.page-news .entry-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin: 0;
}

.page-news .entry-stats dt {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--c-steel);
}

.page-news .entry-stats dd {
  margin: 3px 0 0;
  font-family: var(--f-mono);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--c-paper);
  font-variant-numeric: tabular-nums;
}

.page-news .entry-stats > div:first-child dd {
  color: var(--c-lime);
}

/* ---------- 赛前前瞻 ---------- */
.page-news .preview-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--wire-hair);
}

.page-news .preview-item {
  display: grid;
  gap: 8px;
  padding: 17px 0;
  border-bottom: 1px solid var(--wire-hair);
}

.page-news .preview-item .tag {
  justify-self: start;
}

.page-news .preview-body h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-paper);
}

.page-news .preview-body p {
  max-width: 34em;
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-steel);
}

/* ---------- 分布观察 ---------- */
.page-news .feature {
  display: grid;
  gap: clamp(16px, 2.2vw, 26px);
  padding: clamp(15px, 2vw, 24px);
  background: var(--c-green);
  border: 1px solid var(--wire-line);
}

.page-news .feature + .feature {
  margin-top: clamp(16px, 2.2vw, 24px);
}

.page-news .feature-media {
  margin: 0;
}

.page-news .feature-title {
  margin: 0 0 10px;
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-paper);
}

.page-news .feature-body p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--c-steel);
}

.page-news .feature-points {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .feature-points li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-paper);
}

.page-news .feature-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  background: var(--c-lime);
}

/* ---------- 规则库 ---------- */
.page-news .rule-card {
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
  padding: clamp(16px, 2.4vw, 28px);
  background: var(--c-paper-card);
  color: var(--c-green);
  border: 1px solid var(--c-wire);
  box-shadow: 4px 4px 0 rgba(216, 224, 220, .13);
}

.page-news .rule-media {
  margin: 0;
}

.page-news .paper-ver {
  display: inline-block;
  margin: 0 0 12px;
  padding: 3px 9px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-green);
  background: var(--c-lime);
}

.page-news .paper-copy h3 {
  margin: 0 0 14px;
  font-family: var(--f-display);
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.2;
  color: var(--c-green);
}

.page-news .version-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .version-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-top: 12px;
  border-top: 1px solid rgba(14, 26, 23, .14);
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-green);
}
.page-news .version-list li:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-news .ver-tag {
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  padding: 2px 6px;
  color: var(--c-green);
  background: rgba(183, 255, 60, .58);
}

/* ---------- 版本日志 ---------- */
.page-news .log-grid {
  display: grid;
  gap: 1px;
  margin: 0 0 clamp(18px, 2.6vw, 30px);
  background: var(--wire-hair);
  border: 1px solid var(--wire-line);
}

.page-news .log-card {
  padding: clamp(15px, 2vw, 22px);
  background: var(--c-panel);
}

.page-news .log-ver {
  margin: 0 0 9px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-lime);
}

.page-news .log-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--c-paper);
}

.page-news .log-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--c-steel);
}

.page-news .log-media {
  margin: 0;
}

/* ---------- 订阅与引用 ---------- */
.page-news .subscribe-grid {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

.page-news .sub-card {
  padding: clamp(17px, 2.2vw, 24px);
  background: var(--c-green);
  border: 1px solid var(--wire-line);
  border-top: 2px solid var(--c-lime);
}

.page-news .sub-card h3 {
  margin: 0 0 12px;
  font-family: var(--f-display);
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.2;
  color: var(--c-paper);
}

.page-news .sub-card ul {
  display: grid;
  gap: 10px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-news .sub-card li {
  position: relative;
  padding-left: 17px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--c-steel);
}

.page-news .sub-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .6em;
  width: 7px;
  height: 7px;
  border: 1px solid var(--c-orange);
}

.page-news .sub-cta {
  margin: 0;
  padding-top: 13px;
  border-top: 1px solid var(--wire-hair);
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-paper);
}

.page-news .sub-cta a {
  color: var(--c-lime);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color .2s var(--ease);
}
.page-news .sub-cta a:hover {
  color: var(--c-paper);
}

/* ---------- 媒体容器兜底 ---------- */
.page-news .media {
  position: relative;
  overflow: hidden;
  background: var(--c-panel);
  border: 1px solid var(--wire-hair);
}
.page-news .media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}
.page-news .media--16x9 { aspect-ratio: 16 / 9; }
.page-news .media--4x3 { aspect-ratio: 4 / 3; }
.page-news .media--wide { aspect-ratio: 21 / 9; }

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .entry--lead {
    grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 720px) {
  .page-news .preview-item {
    grid-template-columns: 116px minmax(0, 1fr);
    gap: 6px 18px;
    align-items: start;
  }
  .page-news .preview-item .tag {
    grid-column: 1;
  }
  .page-news .preview-body {
    grid-column: 2;
  }
}

@media (min-width: 760px) {
  .page-news .log-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-news .subscribe-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-news .cover-grid {
    grid-template-columns: minmax(0, 1fr) minmax(240px, 340px);
    align-items: end;
  }
  .page-news .feature {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    align-items: center;
  }
  .page-news .rule-card {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-news .news-body {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    align-items: start;
  }
  .page-news .news-rail {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }
  .page-news .rail-list {
    display: grid;
    gap: 2px;
    padding: 0;
    overflow: visible;
  }
  .page-news .rail-list > li {
    flex: initial;
  }
  .page-news .rail-link {
    width: 100%;
  }
}

@media (min-width: 1280px) {
  .page-news .entry--lead {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    gap: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .js-ready .page-news [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .page-news .entry,
  .page-news .rail-link,
  .page-news .sub-cta a {
    transition: none;
  }
  .page-news .entry:hover {
    transform: none;
  }
  .page-news .rail-link:hover,
  .page-news .rail-link:focus-visible {
    transform: none;
  }
}
</main>