.page-news {
  --news-gap: clamp(22px, 3vw, 44px);
  --news-rail-w: 196px;
  color: var(--mist);
}

.page-news .section {
  padding-block: clamp(34px, 5vw, 64px);
}

/* 首屏拼贴 */
.page-news .news-hero {
  padding-top: clamp(18px, 2.5vw, 30px);
}

.page-news .news-hero__grid {
  display: grid;
  gap: var(--news-gap);
  align-items: start;
}

.page-news .news-hero__copy h1 {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(30px, 7vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-news .news-hero__lead {
  max-width: 30em;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--moss);
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 26px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-hero__meta li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 12px;
  border-left: 2px solid var(--line);
}

.page-news .news-hero__meta li:first-child {
  border-left-color: var(--cyan);
}

.page-news .news-hero__meta-num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan-text);
}

.page-news .news-hero__meta-unit {
  margin-left: 2px;
  font-size: 12px;
  color: var(--amber);
}

.page-news .news-hero__meta-label {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--moss);
}

/* 置顶公告 */
.page-news .news-spotlight {
  position: relative;
  overflow: hidden;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 18px 40px rgba(3, 16, 13, 0.55);
}

.page-news .news-spotlight__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
}

.page-news .news-spotlight::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    180deg,
    rgba(46, 242, 207, 0.1) 0px,
    rgba(46, 242, 207, 0.1) 1px,
    transparent 1px,
    transparent 6px
  );
  opacity: 0.35;
  pointer-events: none;
  animation: news-scan 6s linear infinite;
}

.page-news .news-spotlight::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 26, 22, 0.35), rgba(6, 26, 22, 0.94) 72%);
  pointer-events: none;
}

.page-news .news-spotlight__body {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(20px, 3vw, 34px);
}

.page-news .news-spotlight__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-spotlight__body h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-news .news-spotlight__excerpt {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--moss);
  max-width: 40em;
}

.page-news .news-spotlight__more {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.page-news .news-spotlight__more summary {
  cursor: pointer;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan-text);
  list-style: none;
}

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

.page-news .news-spotlight__more summary::before {
  content: "＋";
  margin-right: 6px;
  color: var(--cyan);
}

.page-news .news-spotlight__more[open] summary::before {
  content: "－";
}

.page-news .news-spotlight__detail {
  padding-top: 10px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--moss);
}

.page-news .news-spotlight__detail p {
  margin: 0 0 10px;
}

.page-news .news-spotlight__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

/* 索引 + 列表 */
.page-news .news-feed__grid {
  display: grid;
  gap: var(--news-gap);
}

.page-news .news-rail {
  border-left: 1px solid var(--line);
  padding-left: 16px;
}

.page-news .news-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--moss);
}

.page-news .news-rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 4px 0;
  font-size: 14px;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

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

.page-news .news-rail__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--amber);
}

.page-news .news-rail__note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--moss);
}

.page-news .news-main__head h2 {
  margin: 10px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--mist);
}

.page-news .news-main__lead {
  margin: 0 0 22px;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--moss);
}

/* 分类切换 */
.page-news .news-tabs .tabs__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 0 0 12px;
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
}

.page-news .news-tabs .tab {
  flex: 0 0 auto;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--moss);
  cursor: pointer;
  transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.page-news .news-tabs .tab:hover {
  color: var(--cyan-text);
  border-color: var(--cyan);
}

.page-news .news-tabs .tab[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 600;
}

.page-news .news-tabs .tab:focus-visible {
  outline: 2px solid var(--cyan-text);
  outline-offset: 3px;
}

.page-news .news-tabs .tabpanel {
  padding-top: 6px;
}

.page-news .news-tabs .tabpanel:focus-visible {
  outline: 1px dashed var(--cyan);
  outline-offset: 6px;
}

/* 列表条目 */
.page-news .news-item {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 18px 0 18px 18px;
  border-bottom: 1px solid var(--line);
  transition: background-color 180ms ease;
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 2px;
  border-radius: 2px;
  background: var(--cyan);
  opacity: 0;
  transition: opacity 180ms ease;
}

.page-news .news-item:hover,
.page-news .news-item:focus-within {
  background: rgba(46, 242, 207, 0.05);
}

.page-news .news-item:hover::before,
.page-news .news-item:focus-within::before {
  opacity: 1;
}

.page-news .news-item__meta .tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
}

.page-news .news-item__body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--mist);
  transition: color 160ms ease;
}

.page-news .news-item:hover .news-item__body h3 {
  color: var(--cyan-text);
}

.page-news .news-item__body p {
  margin: 0;
  max-width: 42em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--moss);
}

.page-news .news-thumb {
  margin: 14px 0 0;
  max-width: 420px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
}

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

/* 专题系列 */
.page-news .news-series__head h2 {
  margin: 10px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--mist);
}

.page-news .news-series__lead {
  margin: 0 0 24px;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--moss);
}

.page-news .news-series__track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(258px, 84%);
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 14px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.page-news .news-series__card {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(11, 42, 36, 0.95), rgba(6, 26, 22, 0.95));
  transition: border-color 180ms ease, transform 180ms ease;
}

.page-news .news-series__card:hover {
  border-color: rgba(46, 242, 207, 0.55);
  transform: translateY(-3px);
}

.page-news .news-series__figure {
  margin: 0 0 4px;
  overflow: hidden;
  border-radius: 10px;
  border: 1px solid var(--line);
}

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

.page-news .news-series__card .tag {
  align-self: flex-start;
}

.page-news .news-series__card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-news .news-series__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--moss);
}

/* 订阅区 */
.page-news .news-cta__grid {
  display: grid;
  gap: 18px;
}

.page-news .news-cta__panel {
  padding: clamp(22px, 3vw, 36px);
  border: 1px solid rgba(255, 90, 54, 0.3);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(255, 90, 54, 0.16), transparent 60%),
    linear-gradient(150deg, rgba(11, 42, 36, 0.98), rgba(6, 26, 22, 0.98));
}

.page-news .news-cta__panel h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--mist);
}

.page-news .news-cta__lead {
  margin: 0 0 16px;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--moss);
}

.page-news .news-cta__list {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-news .news-cta__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .news-cta__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
}

.page-news .news-cta__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-news .news-sub-switch {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .news-sub-switch + .btn {
  cursor: pointer;
  user-select: none;
}

.page-news .news-sub-switch:focus-visible + .btn {
  outline: 2px solid var(--cyan-text);
  outline-offset: 3px;
}

.page-news .news-sub-switch__on {
  display: none;
}

.page-news .news-sub-switch:checked + .btn--primary {
  background: var(--ok);
  border-color: var(--ok);
  color: var(--ink);
}

.page-news .news-sub-switch:checked + .btn .news-sub-switch__off {
  display: none;
}

.page-news .news-sub-switch:checked + .btn .news-sub-switch__on {
  display: inline;
}

.page-news .news-cta__side {
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.page-news .news-cta__side h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.4;
  color: var(--mist);
}

.page-news .news-cta__side p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--moss);
}

.page-news .news-cta__side .divider {
  width: 100%;
  margin: 4px 0;
}

.page-news .news-cta__hint {
  font-size: 13px;
}

.page-news .news-cta__link {
  font-size: 13px;
  color: var(--cyan-text);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: border-color 160ms ease;
}

.page-news .news-cta__link:hover,
.page-news .news-cta__link:focus-visible {
  border-bottom-color: var(--cyan);
}

@keyframes news-scan {
  from { background-position-y: 0; }
  to { background-position-y: 48px; }
}

/* 平板与桌面 */
@media (min-width: 768px) {
  .page-news .news-series__track {
    grid-auto-columns: minmax(300px, 1fr);
    grid-auto-flow: column;
  }

  .page-news .news-item {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 0 24px;
    align-items: start;
    padding-left: 22px;
  }

  .page-news .news-item__meta {
    padding-top: 2px;
  }
}

@media (min-width: 1024px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-news .news-feed__grid {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: clamp(28px, 3.5vw, 52px);
  }

  .page-news .news-rail {
    position: sticky;
    top: 88px;
    align-self: start;
  }

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

  .page-news .news-cta__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }
}

@media (min-width: 1280px) {
  .page-news .news-series__track {
    grid-auto-columns: minmax(0, 1fr);
    grid-auto-flow: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-spotlight::before {
    animation: none;
  }

  .page-news .news-series__card,
  .page-news .news-item,
  .page-news .news-item::before {
    transition: none;
  }

  .page-news .news-series__card:hover {
    transform: none;
  }
}
<<<END>>>