.page-news {
  --news-rule: rgba(16, 24, 32, 0.12);
  --news-rule-strong: rgba(16, 24, 32, 0.32);
  --news-dot-ring: rgba(16, 24, 32, 0.35);
  background: var(--c-paper);
  color: var(--c-ink);
  font-family: var(--font-sans);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-news .breadcrumbs {
  padding-top: clamp(16px, 3vw, 28px);
}

.page-news .breadcrumbs__list li + li::before {
  content: "／";
  color: var(--c-silver);
}

/* ---------- 主视觉框景 ---------- */
.page-news .news-masthead {
  position: relative;
  margin-top: clamp(14px, 2.5vw, 26px);
  padding: clamp(26px, 5vw, 58px) clamp(20px, 4vw, 54px) clamp(30px, 5vw, 62px);
  background: var(--c-navy);
  color: var(--c-paper);
  border: 3px solid var(--c-ink);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-news .news-masthead::before {
  content: "";
  position: absolute;
  top: -96px;
  right: -72px;
  width: 240px;
  height: 240px;
  border: 3px solid var(--c-orange);
  border-radius: 50%;
  opacity: 0.4;
  pointer-events: none;
}

.page-news .news-masthead::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 12px;
  background-image: repeating-linear-gradient(
    90deg,
    var(--c-orange) 0,
    var(--c-orange) 2px,
    transparent 2px,
    transparent 18px
  );
  opacity: 0.85;
  pointer-events: none;
}

.page-news .news-masthead__eyebrow {
  position: relative;
  color: var(--c-orange);
  letter-spacing: 0.18em;
}

.page-news .news-masthead__title {
  position: relative;
  margin: 14px 0 0;
  max-width: 16ch;
  font-size: clamp(34px, 6.6vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--c-paper);
}

.page-news .news-masthead__lead {
  position: relative;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: rgba(247, 245, 240, 0.84);
}

.page-news .masthead-stats {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid rgba(247, 245, 240, 0.24);
}

.page-news .masthead-stats__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 0 0;
  border-bottom: 1px solid rgba(247, 245, 240, 0.14);
}

.page-news .masthead-stats__item:last-child {
  border-bottom: 0;
}

.page-news .masthead-stats__val {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
}

.page-news .masthead-stats__num {
  font-size: clamp(30px, 5vw, 42px);
  line-height: 1;
  font-weight: 700;
  color: var(--c-green);
}

.page-news .masthead-stats__unit {
  font-size: 13px;
  color: rgba(247, 245, 240, 0.7);
}

.page-news .masthead-stats__key {
  font-size: 14px;
  letter-spacing: 0.04em;
  color: rgba(247, 245, 240, 0.82);
}

@media (min-width: 640px) {
  .page-news .masthead-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 28px;
  }

  .page-news .masthead-stats__item {
    padding-bottom: 18px;
  }
}

/* ---------- 左右分屏抽屉 ---------- */
.page-news .news-drawer {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4.5vw, 44px);
  margin-top: clamp(30px, 5vw, 58px);
}

@media (min-width: 940px) {
  .page-news .news-drawer {
    grid-template-columns: minmax(216px, 262px) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
  }
}

.page-news .news-rail {
  display: flex;
  flex-direction: column;
  gap: clamp(22px, 3vw, 30px);
  min-width: 0;
}

@media (min-width: 940px) {
  .page-news .news-rail {
    position: sticky;
    top: 108px;
    align-self: start;
  }
}

.page-news .news-rail__block + .news-rail__block {
  padding-top: clamp(20px, 3vw, 26px);
  border-top: 2px solid var(--news-rule-strong);
}

.page-news .news-rail__ruler {
  display: block;
  width: 100%;
  height: 10px;
  color: var(--c-clay);
  margin-bottom: 14px;
}

.page-news .news-rail__label {
  display: block;
  margin: 0 0 12px;
}

.page-news .news-rail__filters {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-news .news-rail__filters::-webkit-scrollbar {
  height: 4px;
}

.page-news .news-rail__filters::-webkit-scrollbar-thumb {
  background: var(--news-rule-strong);
  border-radius: var(--radius-pill);
}

@media (min-width: 940px) {
  .page-news .news-rail__filters {
    flex-direction: column;
    flex-wrap: nowrap;
    overflow: visible;
    padding-bottom: 0;
    gap: 6px;
  }
}

.page-news .news-filter {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 2px solid var(--news-rule-strong);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--c-ink);
  font: inherit;
  font-size: 14px;
  line-height: 1.3;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease),
    border-color 0.25s var(--ease);
}

.page-news .news-filter:hover,
.page-news .news-filter:focus-visible {
  border-color: var(--c-orange);
  color: var(--c-orange-deep);
}

.page-news .news-filter.is-active {
  background: var(--c-orange);
  border-color: var(--c-orange);
  color: #ffffff;
}

@media (min-width: 940px) {
  .page-news .news-filter {
    width: 100%;
    justify-content: flex-start;
    border-radius: var(--radius-sm);
    padding: 11px 14px;
    font-size: 14.5px;
  }
}

.page-news .pulse-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-news .pulse-item {
  display: grid;
  grid-template-columns: 12px auto;
  grid-template-areas:
    "dot time"
    "dot text";
  column-gap: 10px;
  align-items: center;
}

.page-news .pulse-item__dot {
  grid-area: dot;
  align-self: start;
  margin-top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-orange);
  box-shadow: 0 0 0 4px rgba(255, 90, 31, 0.16);
}

.page-news .pulse-item__dot--green {
  background: var(--c-green);
  box-shadow: 0 0 0 4px rgba(182, 255, 61, 0.2), 0 0 0 5px var(--news-dot-ring);
}

.page-news .pulse-item__time {
  grid-area: time;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--c-rock);
}

.page-news .pulse-item__text {
  grid-area: text;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--c-ink);
}

/* ---------- 内容流 ---------- */
.page-news .news-stream {
  display: flex;
  flex-direction: column;
  gap: clamp(44px, 7vw, 82px);
  min-width: 0;
}

.page-news .stream-block {
  min-width: 0;
  border-top: 3px solid var(--c-ink);
  padding-top: clamp(16px, 2.6vw, 26px);
}

.page-news .stream-block__head {
  max-width: 64ch;
  margin-bottom: clamp(18px, 2.8vw, 26px);
}

.page-news .stream-block__title {
  margin: 10px 0 0;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.22;
  letter-spacing: -0.01em;
}

.page-news .stream-block__lead {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--c-rock);
}

.page-news .stream-block figure {
  margin: 0 0 clamp(18px, 2.6vw, 26px);
}

.page-news .media-frame {
  border: 3px solid var(--c-ink);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hard);
  background: var(--c-cream);
}

.page-news .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .league-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-news .league-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border: 2px solid var(--c-ink);
  border-radius: var(--radius-pill);
  font-size: 13px;
  letter-spacing: 0.03em;
  background: var(--c-cream);
  color: var(--c-ink);
}

.page-news .league-chip--moss {
  background: var(--c-moss);
  border-color: var(--c-moss);
  color: var(--c-paper);
}

/* ---------- 编辑式索引条目 ---------- */
.page-news .stream-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--news-rule);
}

.page-news .stream-item {
  display: grid;
  gap: 8px;
  padding: clamp(16px, 2.4vw, 24px) 0;
  border-bottom: 2px solid var(--news-rule-strong);
  transition: border-color 0.25s var(--ease);
}

.page-news .stream-item:hover {
  border-bottom-color: var(--c-orange);
}

.page-news .stream-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .stream-item__time {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--c-rock);
}

.page-news .news-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 11px;
  border: 1px solid var(--news-rule-strong);
  border-radius: var(--radius-pill);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-ink);
  background: transparent;
}

.page-news .news-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-orange);
  flex: 0 0 auto;
}

.page-news .news-tag--data::before {
  background: var(--c-green);
  box-shadow: 0 0 0 1px var(--news-dot-ring);
}

.page-news .news-tag--moss::before {
  background: var(--c-moss);
}

.page-news .stream-item__title {
  margin: 0;
  font-size: clamp(17px, 2.2vw, 22px);
  line-height: 1.42;
  font-weight: 600;
  letter-spacing: -0.005em;
}

.page-news .stream-item__excerpt {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-rock);
  transition: color 0.25s var(--ease);
}

.page-news .stream-item:hover .stream-item__excerpt {
  color: var(--c-ink);
}

/* ---------- 版本时间轴 ---------- */
.page-news .version-log {
  position: relative;
  margin: 0;
  padding: 4px 0 0 30px;
  list-style: none;
}

.page-news .version-log::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 6px;
  bottom: 14px;
  width: 2px;
  background: var(--news-rule-strong);
}

.page-news .version-item {
  position: relative;
  display: grid;
  gap: 7px;
  padding-bottom: clamp(24px, 3.4vw, 36px);
}

.page-news .version-item:last-child {
  padding-bottom: 0;
}

.page-news .version-item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 3px;
  width: 16px;
  height: 16px;
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--c-orange);
  border: 3px solid var(--c-paper);
}

.page-news .version-item:last-child::before {
  background: var(--c-clay);
}

.page-news .version-item__no {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-clay);
}

.page-news .version-item__title {
  margin: 0;
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.4;
  font-weight: 600;
}

.page-news .version-item__text {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-rock);
}

/* ---------- 专题系列 ---------- */
.page-news .series-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 22px);
}

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

.page-news .series-card {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: clamp(20px, 3vw, 30px);
  background: var(--c-cream);
  border-left: 8px solid var(--c-orange);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.page-news .series-card--moss {
  background: var(--c-moss);
  border-left-color: var(--c-green);
  color: var(--c-paper);
}

.page-news .series-card__no {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-clay);
}

.page-news .series-card--moss .series-card__no {
  color: var(--c-green);
}

.page-news .series-card__title {
  margin: 0;
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.34;
  font-weight: 600;
}

.page-news .series-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--c-rock);
}

.page-news .series-card--moss .series-card__text {
  color: rgba(247, 245, 240, 0.84);
}

.page-news .series-card__link {
  justify-self: start;
  margin-top: 4px;
  padding-bottom: 2px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-orange-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--c-orange);
}

.page-news .series-card--moss .series-card__link {
  color: var(--c-green);
  border-bottom-color: var(--c-green);
}

/* ---------- 底部入口 ---------- */
.page-news .news-next {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-top: clamp(40px, 6vw, 68px);
  padding-top: clamp(22px, 3.6vw, 34px);
  border-top: 3px solid var(--c-ink);
}

@media (min-width: 860px) {
  .page-news .news-next {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 32px;
  }
}

.page-news .news-next__text {
  margin: 6px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-rock);
}

.page-news .news-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-next__links .btn {
  font-size: 14px;
}