.page-news {
  --news-rail-w: 238px;
  --news-gap: clamp(22px, 3vw, 38px);
  --news-card-bg: var(--ky-paper-2);
}

/* ── 首屏 ── */
.page-news .news-hero {
  padding-top: clamp(20px, 3vw, 34px);
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 46px);
  align-items: start;
}

.page-news .news-hero__lead .ky-h1 {
  margin: 12px 0 18px;
  max-width: 22ch;
}

.page-news .news-hero__lead .ky-lede {
  max-width: 48ch;
}

.page-news .news-hero__lead .ky-actions {
  margin-top: 26px;
}

.page-news .news-hero__figure {
  margin: 0;
  min-width: 0;
}

.page-news .news-hero__figure .ky-figure__frame {
  border-radius: var(--ky-r-lg);
  overflow: hidden;
  border: var(--ky-line);
  background: var(--ky-paper-2);
}

.page-news .news-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.page-news .news-hero__figure .ky-figure__cap {
  margin-top: 12px;
  font-family: var(--ky-font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ky-slate);
}

@media (min-width: 920px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 56px);
  }
}

/* ── 版次信息条 ── */
.page-news .news-meter {
  margin-top: clamp(30px, 4vw, 50px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(152, 162, 166, 0.45);
  border: var(--ky-line);
  border-radius: var(--ky-r-md);
  overflow: hidden;
}

.page-news .news-meter__cell {
  background: var(--ky-paper);
  padding: 16px 18px 18px;
  min-width: 0;
}

.page-news .news-meter__k {
  margin: 0;
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ky-slate);
}

.page-news .news-meter__v {
  margin: 8px 0 0;
  font-family: var(--ky-font-head);
  font-weight: 700;
  font-size: clamp(18px, 2.4vw, 23px);
  letter-spacing: -0.01em;
  color: var(--ky-ink);
  font-variant-numeric: tabular-nums;
}

@media (min-width: 760px) {
  .page-news .news-meter {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ── 主体：标签栏 + 条目流 ── */
.page-news .news-main {
  padding-top: clamp(30px, 4vw, 52px);
}

.page-news .news-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
  align-items: start;
}

@media (min-width: 980px) {
  .page-news .news-body {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
  }
}

/* 书签式侧栏 */
.page-news .news-rail {
  min-width: 0;
}

.page-news .news-rail__inner {
  background: var(--ky-paper-2);
  border: var(--ky-line);
  border-radius: var(--ky-r-md);
  padding: 16px 14px;
}

.page-news .news-rail__label {
  margin: 0 0 12px;
  padding-left: 10px;
  border-left: 3px solid var(--ky-bronze);
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ky-slate);
  line-height: 1.2;
}

.page-news .news-rail__tabs {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-news .news-rail__tabs .ky-tabs__btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  text-align: left;
  padding: 11px 14px;
  border: 0;
  border-left: 3px solid transparent;
  border-radius: 0 var(--ky-r-pill) var(--ky-r-pill) 0;
  background: transparent;
  font-family: var(--ky-font-head);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ky-ink-2);
  cursor: pointer;
  transition: background var(--ky-dur) var(--ky-ease),
              border-color var(--ky-dur) var(--ky-ease),
              color var(--ky-dur) var(--ky-ease);
}

.page-news .news-rail__tabs .ky-tabs__btn:hover {
  background: rgba(31, 106, 92, 0.09);
  border-left-color: var(--ky-bronze-lt);
}

.page-news .news-rail__tabs .ky-tabs__btn[aria-selected="true"] {
  background: var(--ky-bronze-wash);
  border-left-color: var(--ky-bronze);
  color: var(--ky-bronze);
}

.page-news .news-rail__tabs .ky-tabs__count {
  flex: 0 0 auto;
  font-family: var(--ky-font-mono);
  font-size: 12px;
  font-weight: 400;
  color: var(--ky-slate);
  font-variant-numeric: tabular-nums;
}

.page-news .news-rail__tabs .ky-tabs__btn[aria-selected="true"] .ky-tabs__count {
  color: var(--ky-bronze);
}

@media (min-width: 980px) {
  .page-news .news-rail__inner {
    position: sticky;
    top: 84px;
  }
}

@media (max-width: 979px) {
  .page-news .news-rail__tabs {
    flex-direction: row;
    overflow-x: auto;
    gap: 8px;
    padding-bottom: 4px;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
  }
  .page-news .news-rail__tabs .ky-tabs__btn {
    flex: 0 0 auto;
    width: auto;
    white-space: nowrap;
    padding: 8px 15px;
    border-left: 0;
    border: 1px solid transparent;
    border-radius: var(--ky-r-pill);
    font-size: 15px;
  }
  .page-news .news-rail__tabs .ky-tabs__btn[aria-selected="true"] {
    border-color: var(--ky-bronze);
  }
}

/* 条目流 */
.page-news .news-flow {
  min-width: 0;
}

.page-news .news-flow__figure {
  margin: 0 0 clamp(24px, 3vw, 36px);
}

.page-news .news-flow__figure .ky-figure__frame {
  border-radius: var(--ky-r-lg);
  overflow: hidden;
  border: var(--ky-line);
  background: var(--ky-paper-2);
}

.page-news .news-flow__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .news-flow__figure .ky-figure__cap {
  margin-top: 12px;
  font-family: var(--ky-font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ky-slate);
}

.page-news .ky-tabpanel {
  display: block;
  outline: none;
}

.page-news .ky-tabpanel[hidden],
.page-news .ky-tabpanel[aria-hidden="true"] {
  display: none;
}

.page-news .ky-tabpanel > .ky-h2 {
  margin: 0 0 12px;
}

.page-news .ky-tabpanel > .ky-lede {
  margin: 0 0 clamp(22px, 3vw, 32px);
  max-width: 56ch;
}

/* ── 更新公告卡片 ── */
.page-news .news-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 20px);
}

.page-news .news-card {
  min-width: 0;
  background: var(--news-card-bg);
  border: var(--ky-line-soft);
  border-radius: var(--ky-r-md);
  padding: clamp(18px, 2.4vw, 26px);
  transition: border-color var(--ky-dur) var(--ky-ease),
              transform var(--ky-dur) var(--ky-ease),
              box-shadow var(--ky-dur) var(--ky-ease);
}

.page-news .news-card:hover {
  border-color: var(--ky-bronze);
  transform: translateY(-2px);
  box-shadow: var(--ky-shadow);
}

.page-news .news-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-size: 12px;
}

.page-news .news-card__meta .ky-mono {
  color: var(--ky-slate);
  letter-spacing: 0.08em;
}

.page-news .news-card__title {
  margin: 0 0 12px;
}

.page-news .news-card__sum {
  margin: 0;
  font-family: var(--ky-font-body);
  font-size: 17px;
  line-height: 1.8;
  color: var(--ky-ink-2);
}

.page-news .news-card__figure {
  margin: clamp(18px, 2.4vw, 24px) 0 0;
}

.page-news .news-card__figure .ky-figure__frame {
  border-radius: var(--ky-r-sm);
  overflow: hidden;
  border: var(--ky-line);
  background: var(--ky-paper);
}

.page-news .news-card__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .news-card__figure .ky-figure__cap {
  margin-top: 10px;
  font-family: var(--ky-font-body);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ky-slate);
}

@media (min-width: 780px) {
  .page-news .news-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .news-card--wide {
    grid-column: 1 / -1;
    background: var(--ky-paper);
    border-color: var(--ky-line);
  }
  .page-news .news-card--wide .news-card__figure {
    max-width: 720px;
  }
}

/* ── 版本记录 ── */
.page-news .news-flow__stripe {
  margin: 0 0 clamp(22px, 3vw, 32px);
}

.page-news .news-flow__stripe .ky-figure__frame {
  border-radius: var(--ky-r-md);
  overflow: hidden;
  border: var(--ky-line);
  background: var(--ky-paper-2);
  position: relative;
}

.page-news .news-flow__stripe .ky-figure__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    to right,
    rgba(31, 106, 92, 0.22) 0 1px,
    transparent 1px 42px
  );
  pointer-events: none;
}

.page-news .news-flow__stripe img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 3;
  object-fit: cover;
}

.page-news .news-flow__stripe .ky-figure__cap {
  margin-top: 12px;
  font-family: var(--ky-font-body);
  font-size: 14px;
  color: var(--ky-slate);
}

.page-news .ky-axis.news-axis {
  margin: 0;
  padding: 0 0 0 22px;
  list-style: none;
}

.page-news .news-axis .ky-axis__item {
  position: relative;
  padding: 0 0 clamp(24px, 3vw, 34px) 0;
}

.page-news .news-axis .ky-axis__item::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ky-bronze);
  box-shadow: 0 0 0 3px var(--ky-bronze-wash);
}

.page-news .news-axis .ky-axis__item::after {
  content: "";
  position: absolute;
  left: -18px;
  top: 20px;
  bottom: 0;
  border-left: 1px dashed rgba(152, 162, 166, 0.8);
}

.page-news .news-axis .ky-axis__item:last-child {
  padding-bottom: 0;
}

.page-news .news-axis .ky-axis__item:last-child::after {
  display: none;
}

.page-news .news-axis .ky-axis__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
}

.page-news .news-axis .ky-axis__meta .ky-mono {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ky-ink);
  font-variant-numeric: tabular-nums;
}

.page-news .news-axis .ky-h3 {
  margin: 0 0 10px;
}

.page-news .news-axis__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-axis__list li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 8px;
  font-family: var(--ky-font-body);
  font-size: 17px;
  line-height: 1.8;
  color: var(--ky-slate);
}

.page-news .news-axis__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 6px;
  height: 1px;
  background: var(--ky-slate-lt);
}

.page-news .news-axis__list li:last-child {
  margin-bottom: 0;
}

/* ── 操作技巧 ── */
.page-news .news-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: news-step;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2vw, 22px);
}

.page-news .news-steps__item {
  counter-increment: news-step;
  position: relative;
  min-width: 0;
  background: var(--ky-paper);
  border: var(--ky-line);
  border-radius: var(--ky-r-md);
  padding: clamp(18px, 2.4vw, 26px) clamp(18px, 2.4vw, 26px) clamp(18px, 2.4vw, 26px) clamp(58px, 6vw, 74px);
}

.page-news .news-steps__item::before {
  content: counter(news-step, decimal-leading-zero);
  position: absolute;
  left: clamp(16px, 2vw, 22px);
  top: clamp(18px, 2.4vw, 24px);
  font-family: var(--ky-font-mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ky-bronze);
  font-variant-numeric: tabular-nums;
}

.page-news .news-steps__item .ky-h3 {
  margin: 0 0 14px;
}

.page-news .news-steps__sub {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: news-substep;
}

.page-news .news-steps__sub li {
  counter-increment: news-substep;
  position: relative;
  padding-left: 26px;
  margin-bottom: 8px;
  font-family: var(--ky-font-body);
  font-size: 17px;
  line-height: 1.8;
  color: var(--ky-ink-2);
}

.page-news .news-steps__sub li::before {
  content: counter(news-substep);
  position: absolute;
  left: 0;
  top: 0.32em;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: var(--ky-bronze-wash);
  color: var(--ky-bronze);
  font-family: var(--ky-font-mono);
  font-size: 11px;
  line-height: 17px;
  text-align: center;
}

.page-news .news-steps__sub li:last-child {
  margin-bottom: 0;
}

@media (min-width: 1100px) {
  .page-news .news-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .news-steps__item:first-child {
    grid-column: 1 / -1;
  }
}

/* ── 常见问题 ── */
.page-news .news-faq {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-news .news-faq .ky-fold {
  background: var(--ky-paper);
  border: var(--ky-line);
  border-radius: var(--ky-r-md);
  overflow: hidden;
}

.page-news .news-faq .ky-fold__btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  text-align: left;
  padding: 16px clamp(16px, 2vw, 22px);
  border: 0;
  background: transparent;
  font-family: var(--ky-font-head);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ky-ink);
  cursor: pointer;
  transition: color var(--ky-dur) var(--ky-ease),
              background var(--ky-dur) var(--ky-ease);
}

.page-news .news-faq .ky-fold__btn::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--ky-font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--ky-bronze);
}

.page-news .news-faq .ky-fold__btn[aria-expanded="true"]::after {
  content: "–";
}

.page-news .news-faq .ky-fold__btn:hover {
  color: var(--ky-bronze);
  background: rgba(31, 106, 92, 0.05);
}

.page-news .news-faq .ky-fold__panel {
  padding: 0 clamp(16px, 2vw, 22px) 18px;
}

.page-news .news-faq .ky-fold__panel p {
  margin: 0;
  font-family: var(--ky-font-body);
  font-size: 17px;
  line-height: 1.8;
  color: var(--ky-slate);
}

/* ── 服务通知 ── */
.page-news .news-notices {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--ky-line);
}

.page-news .news-notices__item {
  padding: clamp(20px, 2.6vw, 28px) 0;
  border-bottom: var(--ky-line);
}

.page-news .news-notices__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
}

.page-news .news-notices__meta .ky-mono {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ky-slate);
}

.page-news .news-notices__item .ky-h3 {
  margin: 0 0 10px;
}

.page-news .news-notices__item > p:last-child {
  margin: 0;
  max-width: 62ch;
  font-family: var(--ky-font-body);
  font-size: 17px;
  line-height: 1.8;
  color: var(--ky-ink-2);
}

/* ── 行业观察 ── */
.page-news .news-observe {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2vw, 22px);
}

.page-news .news-observe__item {
  min-width: 0;
  padding: clamp(18px, 2.4vw, 26px);
  border-radius: var(--ky-r-md);
  border: var(--ky-line);
  border-left: 5px solid var(--ky-bronze);
  background: var(--ky-paper-2);
  transition: transform var(--ky-dur) var(--ky-ease),
              border-color var(--ky-dur) var(--ky-ease);
}

.page-news .news-observe__item:hover {
  transform: translateY(-2px);
  border-color: var(--ky-bronze);
  border-left-color: var(--ky-bronze);
}

.page-news .news-observe__no {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ky-slate);
}

.page-news .news-observe__item .ky-h3 {
  margin: 0 0 12px;
}

.page-news .news-observe__item p:last-child {
  margin: 0;
  font-family: var(--ky-font-body);
  font-size: 17px;
  line-height: 1.8;
  color: var(--ky-ink-2);
}

@media (min-width: 1000px) {
  .page-news .news-observe {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: stretch;
  }
}

/* ── 尾部提示 ── */
.page-news .news-tail {
  margin-top: clamp(26px, 3.4vw, 40px);
}

.page-news .news-tail p {
  margin: 0;
  font-family: var(--ky-font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--ky-ink-2);
}

/* ── 动效降级 ── */
@media (prefers-reduced-motion: reduce) {
  .page-news .news-card,
  .page-news .news-observe__item,
  .page-news .news-rail__tabs .ky-tabs__btn,
  .page-news .news-faq .ky-fold__btn {
    transition: none;
  }
  .page-news .news-card:hover,
  .page-news .news-observe__item:hover {
    transform: none;
  }
}

/* ── 窄屏兜底 ── */
@media (max-width: 719px) {
  .page-news .news-hero__lead .ky-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .page-news .news-hero__lead .ky-actions .ky-btn {
    text-align: center;
  }
  .page-news .news-steps__item {
    padding-left: clamp(50px, 14vw, 62px);
  }
}