.page-news {
  --news-gap: clamp(14px, 2.2vw, 28px);
  --news-rule: 1px solid var(--line);
}

/* ---------- 首屏 ---------- */
.page-news .news-masthead {
  padding: clamp(22px, 4vw, 46px) 0 clamp(20px, 3vw, 34px);
}
.page-news .news-masthead__grid {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  grid-template-columns: minmax(0, 1fr);
}
.page-news .news-masthead h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6vw, 70px);
  line-height: 0.99;
  letter-spacing: -0.028em;
  color: var(--ink);
  margin: 12px 0 0;
  max-width: 16ch;
}
.page-news .news-lede {
  margin: 0;
  max-width: 42ch;
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.78;
  color: var(--muted);
}
.page-news .news-masthead__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
@media (min-width: 900px) {
  .page-news .news-masthead__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: end;
  }
}

/* ---------- 顶部更新条 ---------- */
.page-news .news-updatebar {
  position: relative;
  overflow: hidden;
  border-top: var(--news-rule);
  border-bottom: var(--news-rule);
  background: var(--bg-alt);
}
.page-news .news-updatebar__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}
.page-news .news-updatebar::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(102deg, rgba(5, 11, 31, 0.95) 0%, rgba(5, 11, 31, 0.74) 48%, rgba(5, 11, 31, 0.93) 100%);
}
.page-news .news-updatebar__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  padding-top: clamp(20px, 2.8vw, 32px);
  padding-bottom: clamp(20px, 2.8vw, 32px);
}
.page-news .news-ring {
  position: relative;
  width: 68px;
  height: 68px;
}
.page-news .news-ring svg {
  display: block;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}
.page-news .news-ring__track {
  fill: none;
  stroke: var(--line);
  stroke-width: 4;
}
.page-news .news-ring__fill {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 4;
}
.page-news .news-ring__label {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--cyan);
}
.page-news .news-updatebar__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 800;
  letter-spacing: -0.012em;
  color: var(--ink);
}
.page-news .news-updatebar__text {
  margin: 0;
  max-width: 52ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}
.page-news .news-updatebar__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
@media (min-width: 880px) {
  .page-news .news-updatebar__inner {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 30px;
  }
}

/* ---------- 分类标签页 ---------- */
.page-news .news-head {
  margin-bottom: clamp(18px, 2.6vw, 30px);
}
.page-news .news-tabs__list {
  display: flex;
  gap: 2px;
  overflow-x: auto;
  border-bottom: var(--news-rule);
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.page-news .news-tabs__list::-webkit-scrollbar {
  display: none;
}
.page-news .news-tabs__tab {
  position: relative;
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 16px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: none;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  white-space: nowrap;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-news .news-tabs__tab:hover {
  color: var(--ink);
}
.page-news .news-tabs__tab[aria-selected="true"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-news .news-tabs__tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.page-news .news-tabs__count {
  font-size: 12px;
  color: var(--muted);
}
.page-news .news-tabs__tab[aria-selected="true"] .news-tabs__count {
  color: var(--cyan-dim);
}
.page-news .news-panel {
  padding-top: clamp(20px, 3vw, 34px);
}
.page-news .news-panel + .news-panel {
  margin-top: clamp(22px, 3vw, 36px);
}

/* ---------- 条目网格 ---------- */
.page-news .news-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
}
@media (min-width: 760px) {
  .page-news .news-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
  .page-news .news-card--wide {
    grid-column: span 3;
  }
  .page-news .news-card--mid {
    grid-column: span 3;
  }
}
@media (min-width: 1080px) {
  .page-news .news-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }
  .page-news .news-card--wide {
    grid-column: span 7;
  }
  .page-news .news-card--mid {
    grid-column: span 5;
  }
}

.page-news .news-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(18px, 2.2vw, 26px);
  background: var(--panel);
  border: var(--news-rule);
  border-radius: var(--radius);
  transition: border-color var(--dur) var(--ease);
}
.page-news .news-card:hover,
.page-news .news-card:focus-within {
  border-color: var(--cyan-dim);
}
.page-news .news-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.page-news .news-card__time {
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--muted);
}
.page-news .news-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2vw, 26px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.016em;
  color: var(--ink);
}
.page-news .news-card__excerpt {
  margin: 0;
  max-width: 40ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}
.page-news .news-card__points {
  list-style: none;
  margin: 0;
  padding: 14px 0 0;
  display: grid;
  gap: 8px;
  border-top: var(--news-rule);
}
.page-news .news-card__points li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--muted);
}
.page-news .news-card__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 1px;
  background: var(--cyan-dim);
}
.page-news .news-card__foot {
  margin-top: auto;
  padding-top: 10px;
}

/* ---------- 短注释条 ---------- */
.page-news .news-strip {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px 18px;
  align-items: baseline;
  padding: clamp(14px, 1.7vw, 20px) clamp(16px, 2vw, 24px);
  background: var(--bg-alt);
  border: var(--news-rule);
  border-left: 2px solid var(--cyan-dim);
  border-radius: var(--radius);
}
.page-news .news-strip__time {
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--muted);
  white-space: nowrap;
}
.page-news .news-strip__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink);
}
@media (min-width: 760px) {
  .page-news .news-strip {
    grid-template-columns: auto auto minmax(0, 1fr);
    align-items: center;
  }
  .page-news .news-strip__time {
    padding-right: 18px;
    border-right: var(--news-rule);
  }
}

/* ---------- 图片容器比例 ---------- */
.page-news .news-ratio-32 .media-frame__inner {
  aspect-ratio: 3 / 2;
}
.page-news .news-ratio-32 img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 专家专栏专题 ---------- */
.page-news .news-columns__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 44px);
}
.page-news .news-columns__copy .prose + .prose {
  margin-top: 14px;
}
.page-news .news-stat-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 24px 0;
  background: var(--line);
  border: var(--news-rule);
}
.page-news .news-stat {
  padding: 16px 14px;
  background: var(--bg-alt);
}
.page-news .news-stat__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}
.page-news .news-stat__label {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted);
}
.page-news .news-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-news .news-cats li {
  padding: 5px 10px;
  border: var(--news-rule);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--muted);
}
@media (min-width: 940px) {
  .page-news .news-columns__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

/* ---------- 场馆信息 ---------- */
.page-news .news-venues__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 44px);
}
.page-news .news-kv {
  margin: 22px 0 0;
  border-top: var(--news-rule);
}
.page-news .news-kv__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px 18px;
  padding: 12px 0;
  border-bottom: var(--news-rule);
}
.page-news .news-kv__key {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--cyan-dim);
}
.page-news .news-kv__val {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}
@media (min-width: 560px) {
  .page-news .news-kv__row {
    grid-template-columns: minmax(0, 9rem) minmax(0, 1fr);
    align-items: baseline;
  }
}
@media (min-width: 940px) {
  .page-news .news-venues__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }
}

/* ---------- 版本刻度尺 ---------- */
.page-news .news-scale {
  margin: 0 0 clamp(24px, 3vw, 40px);
}
.page-news .news-scale__axis {
  height: 54px;
  border-left: 1px solid var(--cyan);
  border-bottom: 1px solid var(--line);
  background-image: repeating-linear-gradient(
    90deg,
    var(--line) 0,
    var(--line) 1px,
    transparent 1px,
    transparent 4.35%
  );
}
.page-news .news-scale__marks {
  display: flex;
  justify-content: space-between;
  padding-top: 10px;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--muted);
}
.page-news .news-scale__now {
  color: var(--amber);
}

/* ---------- 版本记录 ---------- */
.page-news .news-versions__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
}
.page-news .news-vlist {
  border-top: var(--news-rule);
}
.page-news .news-vitem {
  border-bottom: var(--news-rule);
}
.page-news .news-vtrigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 16px 4px;
  border: 0;
  background: none;
  text-align: left;
  color: var(--ink);
  font-family: var(--font-body);
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}
.page-news .news-vtrigger:hover {
  color: var(--cyan);
}
.page-news .news-vtrigger:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.page-news .news-vno {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}
.page-news .news-vname {
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: -0.006em;
}
.page-news .news-vmark {
  position: relative;
  width: 12px;
  height: 12px;
}
.page-news .news-vmark::before,
.page-news .news-vmark::after {
  content: "";
  position: absolute;
  background: var(--cyan-dim);
  transition: transform var(--dur) var(--ease);
}
.page-news .news-vmark::before {
  left: 0;
  top: 5.5px;
  width: 12px;
  height: 1px;
}
.page-news .news-vmark::after {
  left: 5.5px;
  top: 0;
  width: 1px;
  height: 12px;
}
.page-news .news-vtrigger[aria-expanded="true"] .news-vmark::after {
  transform: scaleY(0);
}
.page-news .news-vpanel {
  padding: 0 4px 18px;
}
.page-news .news-vpanel p {
  margin: 0;
  max-width: 48ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}
@media (min-width: 940px) {
  .page-news .news-versions__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

/* ---------- 下一步入口 ---------- */
.page-news .news-next__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: clamp(18px, 2.6vw, 30px);
  background: var(--line);
  border: var(--news-rule);
}
.page-news .news-next__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.4vw, 30px);
  background: var(--bg);
  color: var(--ink);
  text-decoration: none;
  transition: background-color var(--dur) var(--ease);
}
.page-news .news-next__card:hover {
  background: var(--panel);
}
.page-news .news-next__card:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}
.page-news .news-next__idx {
  font-size: 12px;
  letter-spacing: 0.09em;
  color: var(--cyan-dim);
}
.page-news .news-next__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 800;
  letter-spacing: -0.012em;
  color: var(--ink);
}
.page-news .news-next__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}
.page-news .news-next__go {
  margin-top: auto;
  padding-top: 12px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
}
@media (min-width: 720px) {
  .page-news .news-next__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 返回条 ---------- */
.page-news .news-return {
  margin-top: clamp(26px, 4vw, 46px);
  border-top: var(--news-rule);
}
.page-news .news-return__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.page-news .news-return__link:hover {
  color: var(--cyan);
}
.page-news .news-return__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}
.page-news .news-return__label {
  font-size: 13px;
  letter-spacing: 0.05em;
}
.page-news .news-return__arrow {
  flex: none;
  font-family: var(--font-mono);
  font-size: 16px;
}
@media (prefers-reduced-motion: reduce) {
  .page-news .news-card,
  .page-news .news-tabs__tab,
  .page-news .news-vtrigger,
  .page-news .news-vmark::before,
  .page-news .news-vmark::after,
  .page-news .news-next__card,
  .page-news .news-return__link {
    transition: none;
  }
}