.page-news {
  --nw-rail-w: 196px;
  padding-top: clamp(20px, 5vw, 52px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 首屏 ---------- */
.page-news .nw-hero {
  position: relative;
  padding-bottom: clamp(24px, 4vw, 40px);
  border-bottom: 1px solid var(--sb-line);
}

.page-news .nw-hero .sb-crumbs {
  margin-bottom: 18px;
}

.page-news .nw-hero__title {
  position: relative;
  margin: 10px 0 0;
  font-family: var(--sb-sans);
  font-weight: 900;
  font-size: clamp(38px, 9.5vw, 78px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--sb-text);
}

.page-news .nw-hero__title::before {
  content: "";
  display: block;
  width: 60px;
  height: 4px;
  margin-bottom: 18px;
  border-radius: 2px;
  background: var(--sb-orange);
}

.page-news .nw-hero__lede {
  max-width: 60ch;
  margin: clamp(14px, 2.4vw, 22px) 0 0;
  color: var(--sb-muted);
}

.page-news .nw-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(20px, 3.4vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-news .nw-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 126px;
  padding: 11px 16px;
  border: 1px solid var(--sb-line);
  border-radius: var(--sb-r-sm);
  background: var(--sb-surface);
}

.page-news .nw-hero__facts b {
  font-family: var(--sb-mono);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--sb-cyan);
}

.page-news .nw-hero__facts span {
  font-size: 12px;
  color: var(--sb-muted);
}

/* ---------- 最新条目带 ---------- */
.page-news .nw-latest {
  margin-top: clamp(28px, 5vw, 48px);
}

.page-news .nw-latest__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.page-news .nw-latest__hint {
  font-family: var(--sb-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--sb-muted);
}

.page-news .nw-latest__rail {
  display: flex;
  gap: 12px;
  margin: 0;
  padding: 0 0 14px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--sb-line) transparent;
}

.page-news .nw-latest__rail > li {
  flex: 0 0 min(76vw, 266px);
  scroll-snap-align: start;
}

.page-news .nw-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
  padding: 16px;
  border: 1px solid var(--sb-line);
  border-radius: var(--sb-r);
  background: var(--sb-card);
  color: var(--sb-text);
  text-decoration: none;
  transition: border-color var(--sb-dur) var(--sb-ease), transform var(--sb-dur) var(--sb-ease);
}

.page-news .nw-card:hover,
.page-news .nw-card:focus-visible {
  border-color: var(--sb-cyan);
  transform: translateY(-2px);
}

.page-news .nw-tag {
  align-self: flex-start;
  padding: 3px 10px;
  border: 1px solid var(--sb-cyan);
  border-radius: var(--sb-pill);
  font-family: var(--sb-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--sb-cyan);
}

.page-news .nw-tag--note {
  border-color: var(--sb-orange);
  color: var(--sb-orange);
}

.page-news .nw-card__title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.45;
}

.page-news .nw-card__meta {
  margin-top: auto;
  font-family: var(--sb-mono);
  font-size: 11px;
  color: var(--sb-muted);
}

/* ---------- 栏目导览 ---------- */
.page-news .nw-tour {
  margin-top: clamp(40px, 7vw, 76px);
}

.page-news .nw-tour__title {
  margin: 10px 0 clamp(18px, 3vw, 26px);
}

.page-news .nw-tour__grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

@media (min-width: 720px) {
  .page-news .nw-tour__grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    align-items: start;
  }
}

.page-news .nw-tour__card {
  overflow: hidden;
  border: 1px solid var(--sb-line);
  border-radius: var(--sb-r);
  background: var(--sb-surface);
}

.page-news .nw-tour__card--note {
  border-color: rgba(255, 138, 61, 0.34);
}

.page-news .nw-tour__media {
  aspect-ratio: 10 / 7;
  overflow: hidden;
  border-bottom: 1px solid var(--sb-line);
}

.page-news .nw-tour__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .nw-tour__body {
  padding: 16px;
}

.page-news .nw-tour__num {
  margin: 0;
  font-family: var(--sb-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--sb-cyan);
}

.page-news .nw-tour__card--note .nw-tour__num {
  color: var(--sb-orange);
}

.page-news .nw-tour__cad {
  margin: 8px 0 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--sb-text);
}

.page-news .nw-tour__desc {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--sb-muted);
}

/* ---------- 索引 + 条目流 ---------- */
.page-news .nw-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: clamp(40px, 7vw, 76px);
}

.page-news .nw-rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .nw-rail__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border: 1px solid var(--sb-line);
  border-radius: var(--sb-pill);
  font-size: 13px;
  color: var(--sb-text);
  text-decoration: none;
  transition: border-color var(--sb-dur) var(--sb-ease), color var(--sb-dur) var(--sb-ease);
}

.page-news .nw-rail__link:hover,
.page-news .nw-rail__link:focus-visible {
  border-color: var(--sb-cyan);
  color: var(--sb-cyan);
}

.page-news .nw-rail__name {
  white-space: nowrap;
}

.page-news .nw-rail__count {
  font-family: var(--sb-mono);
  font-size: 11px;
  color: var(--sb-muted);
}

.page-news .nw-rail__note {
  display: none;
  margin: 18px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--sb-muted);
}

@media (min-width: 900px) {
  .page-news .nw-body {
    grid-template-columns: var(--nw-rail-w) 1fr;
    gap: clamp(32px, 5vw, 68px);
    align-items: start;
  }

  .page-news .nw-rail {
    position: sticky;
    top: calc(var(--sb-head-h) + 24px);
  }

  .page-news .nw-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    margin-top: 8px;
  }

  .page-news .nw-rail__link {
    justify-content: space-between;
    width: 100%;
    padding: 11px 12px;
    border: 0;
    border-left: 2px solid var(--sb-line);
    border-radius: 0;
  }

  .page-news .nw-rail__link:hover,
  .page-news .nw-rail__link:focus-visible {
    border-left-color: var(--sb-cyan);
    color: var(--sb-cyan);
  }

  .page-news .nw-rail__note {
    display: block;
  }
}

.page-news .nw-group {
  margin-bottom: clamp(30px, 5vw, 50px);
  scroll-margin-top: calc(var(--sb-head-h) + 24px);
}

.page-news .nw-group__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--sb-line);
  transition: border-color var(--sb-dur) var(--sb-ease);
}

.page-news .nw-group.is-current .nw-group__head {
  border-bottom-color: var(--sb-cyan);
}

.page-news .nw-group__title {
  margin: 0;
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--sb-text);
}

.page-news .nw-group__count {
  font-family: var(--sb-mono);
  font-size: 12px;
  color: var(--sb-cyan);
}

.page-news .nw-item {
  border-bottom: 1px solid var(--sb-line);
}

.page-news .nw-item__row {
  display: grid;
  grid-template-columns: 34px 1fr 20px;
  gap: 12px;
  align-items: baseline;
  padding: 15px 4px;
  cursor: pointer;
  list-style: none;
  transition: background-color var(--sb-dur) var(--sb-ease);
}

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

.page-news .nw-item__row:hover {
  background: rgba(0, 224, 198, 0.05);
}

.page-news .nw-item__row:focus-visible {
  outline: 2px solid var(--sb-cyan);
  outline-offset: 2px;
}

.page-news .nw-item__num {
  font-family: var(--sb-mono);
  font-size: 12px;
  color: var(--sb-muted);
}

.page-news .nw-item__main {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-news .nw-item__title {
  font-size: clamp(15px, 2.2vw, 17px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--sb-text);
}

.page-news .nw-item__meta {
  font-family: var(--sb-mono);
  font-size: 11px;
  color: var(--sb-muted);
}

.page-news .nw-item__mark {
  position: relative;
  justify-self: end;
  width: 18px;
  height: 18px;
  font-family: var(--sb-mono);
  font-size: 16px;
  line-height: 18px;
  text-align: center;
  color: var(--sb-cyan);
}

.page-news .nw-item__mark::before {
  content: "+";
}

.page-news .nw-item[open] .nw-item__mark::before {
  content: "\2212";
}

.page-news .nw-item[open] .nw-item__row {
  background: rgba(0, 224, 198, 0.04);
}

.page-news .nw-item__panel {
  padding: 0 4px 20px 46px;
  animation: nw-fade var(--sb-dur) var(--sb-ease) both;
}

.page-news .nw-item__panel p {
  max-width: 58ch;
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sb-muted);
}

@media (min-width: 640px) {
  .page-news .nw-item__row {
    grid-template-columns: 44px 1fr 22px;
  }

  .page-news .nw-item__panel {
    padding-left: 56px;
  }
}

@keyframes nw-fade {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 回访笔记 ---------- */
.page-news .nw-note {
  margin-top: clamp(48px, 8vw, 92px);
  scroll-margin-top: calc(var(--sb-head-h) + 24px);
}

.page-news .nw-note__title {
  margin: 10px 0 0;
  max-width: 22ch;
}

.page-news .nw-note__lede {
  max-width: 58ch;
  margin: 16px 0 0;
  color: var(--sb-muted);
}

.page-news .nw-note__fig {
  margin: clamp(22px, 4vw, 36px) 0;
}

@media (min-width: 900px) {
  .page-news .nw-note__fig {
    width: 70%;
    margin-left: auto;
  }
}

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

.page-news .nw-note__list > li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid var(--sb-line);
}

.page-news .nw-note__list > li:last-child {
  border-bottom: 1px solid var(--sb-line);
}

.page-news .nw-note__num {
  font-family: var(--sb-mono);
  font-size: 13px;
  color: var(--sb-orange);
}

.page-news .nw-note__text h3 {
  margin: 0 0 6px;
  font-size: clamp(16px, 2.4vw, 19px);
  font-weight: 800;
  color: var(--sb-text);
}

.page-news .nw-note__text p {
  max-width: 62ch;
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sb-muted);
}

/* ---------- 数据方法 ---------- */
.page-news .nw-method {
  margin-top: clamp(48px, 8vw, 92px);
  scroll-margin-top: calc(var(--sb-head-h) + 24px);
}

.page-news .nw-method__title {
  margin: 10px 0 0;
  max-width: 24ch;
}

.page-news .nw-method__lede {
  max-width: 60ch;
  margin: 16px 0 0;
  color: var(--sb-muted);
}

.page-news .nw-method__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3.4vw, 34px);
  margin-top: clamp(24px, 4vw, 38px);
}

@media (min-width: 860px) {
  .page-news .nw-method__grid {
    grid-template-columns: 1.1fr 1fr;
    align-items: start;
  }
}

.page-news .nw-specs {
  margin: 0;
}

.page-news .nw-specs__row {
  padding: 16px 0;
  border-top: 1px solid var(--sb-line);
}

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

.page-news .nw-specs dt {
  margin-bottom: 7px;
  font-family: var(--sb-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--sb-cyan);
}

.page-news .nw-specs dd {
  margin: 0;
  max-width: 52ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sb-muted);
}

.page-news .nw-fig--53 {
  aspect-ratio: 5 / 3;
}

.page-news .nw-chart {
  margin: clamp(28px, 4.6vw, 48px) 0 0;
  padding: clamp(16px, 3vw, 26px);
  border: 1px solid var(--sb-line);
  border-radius: var(--sb-r-lg);
  background: var(--sb-surface);
}

.page-news .nw-chart__cap {
  margin-bottom: 14px;
  font-family: var(--sb-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--sb-muted);
}

.page-news .nw-chart__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .nw-chart__svg circle {
  transition: r var(--sb-dur) var(--sb-ease);
}

.page-news .nw-chart__svg circle:hover {
  r: 6;
}

.page-news .nw-chart__note {
  max-width: 64ch;
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--sb-muted);
}

.page-news .nw-chart__note a {
  color: var(--sb-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 224, 198, 0.4);
}

.page-news .nw-chart__note a:hover,
.page-news .nw-chart__note a:focus-visible {
  border-bottom-color: var(--sb-cyan);
}

/* ---------- 版本说明 ---------- */
.page-news .nw-version {
  margin-top: clamp(48px, 8vw, 92px);
  scroll-margin-top: calc(var(--sb-head-h) + 24px);
}

.page-news .nw-version__title {
  margin: 10px 0 0;
  max-width: 26ch;
}

.page-news .nw-version__lede {
  max-width: 58ch;
  margin: 16px 0 0;
  color: var(--sb-muted);
}

.page-news .nw-version__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 42px);
  margin-top: clamp(24px, 4vw, 38px);
}

@media (min-width: 820px) {
  .page-news .nw-version__grid {
    grid-template-columns: 260px 1fr;
    align-items: start;
  }
}

.page-news .nw-version__fig {
  margin: 0;
}

.page-news .nw-timeline {
  position: relative;
  display: grid;
  gap: 28px;
  margin: 0;
  padding: 0 0 0 24px;
  list-style: none;
  border-left: 1px solid var(--sb-line);
}

.page-news .nw-timeline__item {
  position: relative;
}

.page-news .nw-timeline__item::before {
  content: "";
  position: absolute;
  top: 6px;
  left: -29px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--sb-cyan);
  border-radius: 50%;
  background: var(--sb-void);
}

.page-news .nw-timeline__ver {
  display: inline-block;
  padding: 2px 10px;
  border: 1px solid var(--sb-line);
  border-radius: var(--sb-pill);
  font-family: var(--sb-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--sb-cyan);
}

.page-news .nw-timeline__name {
  margin: 10px 0 6px;
  font-size: clamp(16px, 2.4vw, 19px);
  font-weight: 800;
  color: var(--sb-text);
}

.page-news .nw-timeline__item p {
  max-width: 58ch;
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sb-muted);
}

.page-news .nw-version__more {
  max-width: 66ch;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--sb-line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--sb-muted);
}

.page-news .nw-version__more a {
  color: var(--sb-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 224, 198, 0.4);
}

.page-news .nw-version__more a:hover,
.page-news .nw-version__more a:focus-visible {
  border-bottom-color: var(--sb-cyan);
}

/* ---------- 订阅与回访入口 ---------- */
.page-news .nw-cta {
  margin-top: clamp(48px, 8vw, 92px);
  padding: clamp(24px, 4.4vw, 44px);
  border: 1px solid var(--sb-line);
  border-radius: var(--sb-r-lg);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(0, 224, 198, 0.10), transparent 58%),
    var(--sb-surface);
}

.page-news .nw-cta__title {
  max-width: 24ch;
  margin: 0;
  font-size: clamp(22px, 3.6vw, 32px);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--sb-text);
}

.page-news .nw-cta__lede {
  max-width: 56ch;
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sb-muted);
}

.page-news .nw-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3.4vw, 28px);
}

.page-news .nw-cta__note {
  max-width: 60ch;
  margin: 18px 0 0;
  font-size: 12px;
  line-height: 1.75;
  color: var(--sb-muted);
}

/* ---------- 渐进增强 ---------- */
.sb-js .page-news [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
}

.sb-js .page-news [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

.page-news [data-reveal] {
  transition: opacity 0.45s var(--sb-ease), transform 0.45s var(--sb-ease);
}

@media (prefers-reduced-motion: reduce) {
  .page-news .nw-card,
  .page-news .nw-item__row,
  .page-news .nw-chart__svg circle,
  .page-news [data-reveal] {
    transition: none;
  }

  .page-news .nw-item__panel {
    animation: none;
  }
}
<<<END>>>