.page-news {
  --news-gap: clamp(20px, 3vw, 32px);
  --news-side: 84px;
  --news-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --news-dur: 220ms;
  display: block;
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 面包屑 ---------- */
.page-news .news-crumb {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(18px, 4vw, 32px) var(--pad) 0;
}

.page-news .news-crumb .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: var(--fs-1);
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-news .news-crumb .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--news-dur) var(--news-ease), border-color var(--news-dur) var(--news-ease);
}

.page-news .news-crumb .breadcrumb a:hover,
.page-news .news-crumb .breadcrumb a:focus-visible {
  color: var(--gold-soft);
  border-bottom-color: var(--gold);
}

.page-news .news-crumb .breadcrumb [aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: clamp(30px, 5vw, 64px) 0 clamp(26px, 4vw, 52px);
}

.page-news .news-hero__inner {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.page-news .news-hero__copy h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: var(--fs-8);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--paper);
  max-width: 18ch;
}

.page-news .news-hero__lede {
  margin: clamp(16px, 2.6vw, 26px) 0 0;
  max-width: var(--read);
  font-size: var(--fs-4);
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-hero__stats {
  list-style: none;
  margin: clamp(22px, 3.4vw, 36px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(18px, 3vw, 40px);
}

.page-news .news-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-news .news-stat__n {
  font-family: var(--font-display);
  font-size: clamp(30px, 3.4vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-news .news-stat__l {
  font-size: var(--fs-2);
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .news-hero__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-mid);
  box-shadow: 0 26px 60px -34px rgba(0, 0, 0, 0.9);
}

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

/* ---------- 筛选标签条 ---------- */
.page-news .news-tabs {
  background: var(--ink-mid);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .news-tabs__inner {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 12px var(--pad);
  scrollbar-width: none;
  max-width: var(--shell);
  margin: 0 auto;
}

.page-news .news-tabs__inner::-webkit-scrollbar {
  display: none;
}

.page-news .news-tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: var(--fs-2);
  letter-spacing: 0.06em;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--news-dur) var(--news-ease),
              border-color var(--news-dur) var(--news-ease),
              background-color var(--news-dur) var(--news-ease);
}

.page-news .news-tab:hover,
.page-news .news-tab:focus-visible {
  color: var(--paper);
  border-color: var(--gold-soft);
  background: var(--ink-lift);
}

.page-news .news-tab.is-active {
  color: var(--paper);
  border-color: var(--coral);
  box-shadow: inset 0 0 0 1px var(--coral);
}

/* ---------- 通用小标题 ---------- */
.page-news .news-h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: var(--fs-6);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--paper);
  max-width: 24ch;
}

/* ---------- 置顶三条 ---------- */
.page-news .news-top {
  padding: clamp(30px, 5vw, 60px) 0 clamp(10px, 2vw, 20px);
}

.page-news .news-top__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-5);
  font-weight: 600;
  line-height: 1.4;
  color: var(--paper);
}

.page-news .news-top__list {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: var(--news-gap);
}

.page-news .news-top__item {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-mid);
  transition: transform var(--news-dur) var(--news-ease),
              border-color var(--news-dur) var(--news-ease),
              box-shadow var(--news-dur) var(--news-ease);
}

.page-news .news-top__item:hover,
.page-news .news-top__item:focus-within {
  transform: translateY(-2px);
  border-color: var(--gold);
  box-shadow: 0 22px 44px -26px rgba(0, 0, 0, 0.9);
}

.page-news .news-top__head {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-4);
  font-weight: 600;
  line-height: 1.45;
}

.page-news .news-top__head a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--news-dur) var(--news-ease), border-color var(--news-dur) var(--news-ease);
}

.page-news .news-top__head a:hover,
.page-news .news-top__head a:focus-visible {
  color: var(--gold-soft);
  border-bottom-color: var(--gold);
}

.page-news .news-top__text {
  margin: 0;
  font-size: var(--fs-3);
  line-height: 1.75;
  color: var(--muted);
}

.page-news .news-top__meta {
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-num);
  font-size: var(--fs-1);
  letter-spacing: 0.14em;
  color: var(--jade);
}

/* ---------- 更新流 ---------- */
.page-news .news-stream__group {
  padding: clamp(30px, 5vw, 64px) 0;
  scroll-margin-top: 84px;
}

.page-news .news-stream__list {
  list-style: none;
  margin: clamp(20px, 3.4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
}

.page-news .news-item {
  display: grid;
  gap: 14px;
  padding-top: clamp(18px, 2.6vw, 28px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 84px;
}

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

.page-news .news-item__num {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-news .news-item__ver {
  font-family: var(--font-num);
  font-size: var(--fs-1);
  letter-spacing: 0.14em;
  color: var(--gold-soft);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 3px 8px;
  white-space: nowrap;
}

.page-news .news-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-5);
  font-weight: 600;
  line-height: 1.45;
  color: var(--paper);
}

.page-news .news-item__sum {
  margin: 10px 0 0;
  max-width: var(--read);
  font-size: var(--fs-3);
  line-height: 1.78;
  color: var(--muted);
}

.page-news .fold {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--ink-mid);
  overflow: hidden;
}

.page-news .fold__summary {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 12px 16px;
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-2);
  letter-spacing: 0.04em;
  color: var(--jade);
  transition: background-color var(--news-dur) var(--news-ease), color var(--news-dur) var(--news-ease);
}

.page-news .fold__summary::-webkit-details-marker {
  display: none;
}

.page-news .fold__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-num);
  font-size: var(--fs-4);
  line-height: 1;
  color: var(--jade);
}

.page-news .fold[open] .fold__summary::after {
  content: "–";
}

.page-news .fold__summary:hover {
  background: var(--ink-lift);
  color: var(--gold-soft);
}

.page-news .fold__summary:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: 2px;
}

.page-news .fold__body {
  max-width: var(--read);
  padding: 14px 16px 18px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-3);
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 阶段小结带（宣纸白） ---------- */
.page-news .news-band {
  padding: clamp(38px, 6vw, 76px) 0;
  margin: clamp(20px, 4vw, 40px) 0;
  color: var(--ink);
}

.page-news .news-band__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-news .news-band__label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: var(--fs-1);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink);
}

.page-news .news-band__label::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--coral);
}

.page-news .news-band__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: var(--fs-6);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 20ch;
}

.page-news .news-band__text {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 62ch;
  font-size: var(--fs-3);
  line-height: 1.82;
  color: var(--ink-lift);
}

.page-news .news-band__figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid rgba(11, 27, 43, 0.18);
}

.page-news .news-band__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 版本迭代 ---------- */
.page-news .news-versions {
  padding: clamp(40px, 7vw, 88px) 0;
}

.page-news .news-versions__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
  margin-top: clamp(22px, 3.4vw, 36px);
}

.page-news .news-versions__lede {
  margin: 0;
  font-size: var(--fs-3);
  line-height: 1.85;
  color: var(--muted);
}

.page-news .news-versions__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-mid);
}

.page-news .news-versions__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-news .ver-list {
  list-style: none;
  margin: clamp(28px, 4.5vw, 48px) 0 0;
  padding: 0;
}

.page-news .ver {
  display: grid;
  gap: 14px;
  padding: clamp(18px, 2.8vw, 28px) 0;
  border-top: 1px solid var(--line);
}

.page-news .ver:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .ver__plate {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  justify-self: start;
  min-width: 70px;
  min-height: 40px;
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: linear-gradient(180deg, var(--ink-lift) 0%, var(--ink-mid) 100%);
  font-family: var(--font-num);
  font-size: var(--fs-4);
  letter-spacing: 0.12em;
  color: var(--gold-soft);
}

.page-news .ver__plate--current {
  border-color: var(--gold);
  color: var(--gold);
  box-shadow: inset 0 0 0 1px rgba(201, 162, 74, 0.35);
}

.page-news .ver__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-4);
  font-weight: 600;
  line-height: 1.45;
  color: var(--paper);
}

.page-news .ver__text {
  margin: 8px 0 0;
  max-width: var(--read);
  font-size: var(--fs-3);
  line-height: 1.78;
  color: var(--muted);
}

.page-news .ver__body .tag {
  margin-top: 12px;
  display: inline-block;
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  padding: clamp(40px, 7vw, 88px) 0;
  background: var(--ink-mid);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .news-series__head {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-news .news-series__text {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 58ch;
  font-size: var(--fs-3);
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-series__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink);
}

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

.page-news .series-grid {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: var(--news-gap);
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink);
  transition: transform var(--news-dur) var(--news-ease),
              border-color var(--news-dur) var(--news-ease),
              box-shadow var(--news-dur) var(--news-ease);
}

.page-news .series-card:hover,
.page-news .series-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--jade);
  box-shadow: 0 22px 44px -26px rgba(0, 0, 0, 0.9);
}

.page-news .series-card__no {
  font-family: var(--font-num);
  font-size: var(--fs-1);
  letter-spacing: 0.2em;
  color: var(--jade);
}

.page-news .series-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-4);
  font-weight: 600;
  line-height: 1.45;
  color: var(--paper);
}

.page-news .series-card__text {
  margin: 0;
  font-size: var(--fs-2);
  line-height: 1.78;
  color: var(--muted);
}

.page-news .series-card__link {
  margin-top: auto;
  align-self: flex-start;
  text-decoration: none;
}

/* ---------- 下一阶段预告 ---------- */
.page-news .news-next {
  padding: clamp(40px, 7vw, 88px) 0;
}

.page-news .news-next__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-news .news-next__text {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 46ch;
  font-size: var(--fs-3);
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-next__cta {
  margin-top: clamp(20px, 3vw, 30px);
  text-decoration: none;
}

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

.page-news .news-next__list li {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 0;
  border-bottom: 1px dashed var(--line);
  font-size: var(--fs-3);
  line-height: 1.75;
  color: var(--muted);
}

.page-news .news-next__list li:first-child {
  border-top: 1px dashed var(--line);
}

.page-news .news-next__pip {
  display: block;
  width: 10px;
  height: 10px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--coral);
}

/* ---------- 桌面端栅格 ---------- */
@media (min-width: 768px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-news .news-top__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-item {
    grid-template-columns: var(--news-side) minmax(0, 1fr);
    gap: clamp(22px, 3.6vw, 44px);
  }

  .page-news .news-item__side {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .page-news .news-band__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-news .news-versions__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-news .ver {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: clamp(20px, 3.4vw, 40px);
    align-items: start;
  }

  .page-news .series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-series__head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-news .news-next__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  }
}

@media (min-width: 1100px) {
  .page-news {
    --news-side: 104px;
  }

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

/* ---------- 动效收敛 ---------- */
.page-news .news-top__item,
.page-news .series-card,
.page-news .news-item__num {
  transition: color var(--news-dur) var(--news-ease),
              transform var(--news-dur) var(--news-ease),
              border-color var(--news-dur) var(--news-ease),
              box-shadow var(--news-dur) var(--news-ease);
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-top__item,
  .page-news .series-card,
  .page-news .news-tab,
  .page-news .fold__summary,
  .page-news .news-top__head a,
  .page-news .news-crumb .breadcrumb a {
    transition: color var(--news-dur) linear, border-color var(--news-dur) linear,
                background-color var(--news-dur) linear, box-shadow var(--news-dur) linear;
  }

  .page-news .news-top__item:hover,
  .page-news .news-top__item:focus-within,
  .page-news .series-card:hover,
  .page-news .series-card:focus-within {
    transform: none;
  }
}
<<<END>>>