.page-news {
  --news-gap: clamp(1.4rem, 3vw, 2.6rem);
  background:
    radial-gradient(120% 70% at 94% -10%, rgba(43, 36, 72, 0.72), transparent 60%),
    radial-gradient(90% 62% at 2% 14%, rgba(74, 31, 43, 0.42), transparent 62%),
    var(--c-abyss);
  color: var(--ink-1);
  font-family: var(--font-body);
  padding-bottom: clamp(3rem, 6vw, 5.5rem);
  overflow-x: clip;
}

.page-news .news-lede,
.page-news .note-filter,
.page-news .note-pin,
.page-news .note-groups,
.page-news .news-series,
.page-news .news-close {
  margin-top: var(--news-gap);
}

/* ---------- 首屏 ---------- */
.page-news .news-lede {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  padding-top: clamp(1rem, 2.4vw, 2rem);
  animation: newsRise 0.6s var(--ease) both;
}

.page-news .news-lede__body {
  min-width: 0;
}

.page-news .news-lede h1 {
  margin: 0.55rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4.6vw, 3.5rem);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--c-mist);
  text-wrap: balance;
}

.page-news .news-lede__text {
  max-width: 42ch;
  margin: 1rem 0 0;
  font-size: var(--step-body);
  line-height: 1.85;
  color: var(--ink-2);
}

.page-news .news-lede__text + .news-lede__text {
  margin-top: 0.75rem;
}

.page-news .news-ledger {
  align-self: start;
  padding: 1.1rem 1.15rem 0.75rem;
  border: 1px solid var(--line-gold-soft);
  border-left: 3px solid var(--c-gold);
  background: linear-gradient(170deg, rgba(13, 44, 68, 0.78), rgba(6, 24, 38, 0.55));
}

.page-news .news-ledger__title {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: var(--step-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.page-news .news-ledger__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.5rem;
  border-bottom: 1px dashed var(--line-faint);
  font-size: 0.82rem;
  color: var(--ink-3);
}

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

.page-news .news-ledger__row b {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.82rem;
  color: var(--c-gold-bright);
  white-space: nowrap;
}

/* ---------- 专题筛选 ---------- */
.page-news .note-filter {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  overflow-x: auto;
  padding-block: 0.85rem;
  border-top: 1px solid var(--line-gold-soft);
  border-bottom: 1px solid var(--line-gold-soft);
  scrollbar-width: none;
  -ms-overflow-style: none;
}

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

.page-news .note-filter__label {
  flex: none;
  padding-right: 0.4rem;
  font-family: var(--font-mono);
  font-size: var(--step-mono);
  letter-spacing: 0.16em;
  color: var(--ink-4);
}

.page-news .note-filter__chip {
  flex: none;
  padding: 0.42rem 0.95rem;
  border: 1px solid var(--line-gold-soft);
  border-radius: 999px;
  background: rgba(13, 44, 68, 0.62);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--ink-2);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-news .note-filter__chip:hover,
.page-news .note-filter__chip:focus-visible {
  color: var(--c-gold-bright);
  border-color: var(--c-gold);
  background: rgba(200, 162, 74, 0.14);
}

/* ---------- 置顶观察 ---------- */
.page-news .note-pin {
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--line-gold-soft);
  border-left: 3px solid var(--c-gold);
  background: linear-gradient(158deg, rgba(43, 36, 72, 0.94), rgba(6, 24, 38, 0.92) 66%);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
}

.page-news .note-pin__media {
  margin: 0;
  position: relative;
  background: var(--c-navy);
}

.page-news .note-pin__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 55%, rgba(6, 24, 38, 0.55));
  pointer-events: none;
}

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

.page-news .note-pin__body {
  min-width: 0;
  padding: clamp(1.15rem, 2.6vw, 2rem);
}

.page-news .note-pin__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
}

.page-news .note-pin__no {
  color: var(--c-gold);
  letter-spacing: 0.1em;
}

.page-news .note-pin__when {
  color: var(--ink-4);
}

.page-news .note-pin__title {
  margin: 0.75rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.2vw, 1.85rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--c-mist);
  text-wrap: balance;
}

.page-news .note-pin__text {
  margin: 0.8rem 0 0;
  font-size: var(--step-body);
  line-height: 1.85;
  color: var(--ink-2);
}

.page-news .note-pin__more {
  margin-top: 1.1rem;
  border-top: 1px dashed var(--line-faint);
  padding-top: 0.85rem;
}

.page-news .note-pin__more summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--c-gold-bright);
  list-style: none;
}

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

.page-news .note-pin__more summary::before {
  content: "+ ";
  color: var(--c-coral);
}

.page-news .note-pin__more[open] summary::before {
  content: "− ";
}

.page-news .note-pin__more summary:focus-visible {
  outline: 2px solid var(--c-gold-bright);
  outline-offset: 4px;
}

.page-news .note-pin__detail ul {
  margin: 0.85rem 0 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.6rem;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-news .note-pin__detail li::marker {
  color: var(--c-teal);
}

.page-news .note-pin__detail a {
  color: var(--c-gold-bright);
  text-decoration: underline;
  text-decoration-color: var(--line-gold);
  text-underline-offset: 3px;
}

.page-news .note-pin__detail a:hover {
  color: var(--c-coral);
}

/* ---------- 笔记列表 ---------- */
.page-news .note-groups {
  scroll-margin-top: 5.5rem;
}

.page-news .note-groups .section-lede {
  max-width: 46ch;
}

.page-news .note-group {
  scroll-margin-top: 5.5rem;
  position: relative;
  padding-block: clamp(1.4rem, 3vw, 2.2rem);
}

.page-news .note-group::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--c-gold), rgba(200, 162, 74, 0.24) 32%, transparent 78%);
}

.page-news .note-group:target .note-group__title {
  color: var(--c-gold-bright);
}

.page-news .note-group:target .note-group__code {
  background: var(--c-gold);
  color: var(--c-abyss);
}

.page-news .note-group__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.1rem;
}

.page-news .note-group__code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1;
  padding: 0.24rem 0.42rem;
  border: 1px solid var(--line-gold);
  color: var(--c-gold);
  transition: background 0.22s var(--ease), color 0.22s var(--ease);
}

.page-news .note-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-h3);
  font-weight: 600;
  color: var(--c-mist);
}

.page-news .note-group__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink-4);
}

.page-news .note-group__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  align-items: start;
}

.page-news .note-card {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.05rem 1.1rem 1.15rem;
  border: 1px solid var(--line-faint);
  border-left: 2px solid transparent;
  background: linear-gradient(176deg, rgba(13, 44, 68, 0.8), rgba(6, 24, 38, 0.9));
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-news .note-card:hover {
  border-left-color: var(--c-gold);
  background: linear-gradient(176deg, rgba(43, 36, 72, 0.88), rgba(13, 44, 68, 0.9));
}

.page-news .note-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
}

.page-news .note-card__no {
  color: var(--c-gold);
  letter-spacing: 0.1em;
}

.page-news .note-card__when {
  margin-left: auto;
  color: var(--ink-4);
}

.page-news .note-card__media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-gold-soft);
}

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

.page-news .note-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--c-mist);
}

.page-news .note-card__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-news .note-card__foot {
  margin: auto 0 0;
  padding-top: 0.55rem;
  border-top: 1px dashed var(--line-faint);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-4);
}

/* ---------- 专题系列 ---------- */
.page-news .news-series .section-title {
  margin-top: 0.4rem;
}

.page-news .series-grid {
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
}

.page-news .series-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.05rem 1rem 1.1rem;
  border: 1px solid var(--line-faint);
  background: linear-gradient(168deg, rgba(74, 31, 43, 0.55), rgba(13, 44, 68, 0.72));
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-news .series-card:hover {
  border-color: var(--line-gold);
  background: linear-gradient(168deg, rgba(74, 31, 43, 0.75), rgba(43, 36, 72, 0.8));
}

.page-news .series-card__code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--c-gold);
}

.page-news .series-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--c-mist);
}

.page-news .series-card__text {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--ink-3);
}

.page-news .series-card__link {
  margin-top: auto;
  padding-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--c-teal);
  text-decoration: none;
  transition: color 0.22s var(--ease);
}

.page-news .series-card__link::after {
  content: " →";
}

.page-news .series-card__link:hover,
.page-news .series-card__link:focus-visible {
  color: var(--c-coral);
}

/* ---------- 收尾 ---------- */
.page-news .news-close {
  display: grid;
  gap: 1.2rem;
  padding: clamp(1.3rem, 3vw, 2.4rem);
  border: 1px solid var(--line-gold-soft);
  border-top: 3px solid var(--c-coral);
  background:
    radial-gradient(110% 130% at 88% 0%, rgba(232, 106, 74, 0.16), transparent 62%),
    linear-gradient(160deg, rgba(43, 36, 72, 0.9), rgba(6, 24, 38, 0.95));
}

.page-news .news-close__title {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-size: var(--step-h2);
  font-weight: 700;
  line-height: 1.28;
  color: var(--c-mist);
  text-wrap: balance;
}

.page-news .news-close__text {
  max-width: 54ch;
  margin: 0.8rem 0 0;
  font-size: var(--step-body);
  line-height: 1.85;
  color: var(--ink-2);
}

.page-news .news-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-content: start;
}

/* ---------- 动效 ---------- */
@keyframes newsRise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-lede {
    animation: none;
  }
  .page-news .note-filter__chip,
  .page-news .note-card,
  .page-news .series-card,
  .page-news .series-card__link,
  .page-news .note-group__code {
    transition: none;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-news .series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .note-pin {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
    align-items: stretch;
  }
  .page-news .note-pin__media img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 240px;
  }
  .page-news .note-pin__media::after {
    background: linear-gradient(90deg, transparent 60%, rgba(6, 24, 38, 0.6));
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-news .news-lede {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-news .news-lede__text {
    max-width: 40ch;
  }
  .page-news .news-close {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: center;
  }
  .page-news .news-close__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 820px) {
  .page-news .note-group__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.2rem 1.3rem;
  }
  .page-news .note-group__grid > :nth-child(even) {
    margin-block-start: clamp(1rem, 2.4vw, 2rem);
  }
}

@media (min-width: 1160px) {
  .page-news .series-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
  .page-news .note-filter__chip {
    padding: 0.46rem 1.05rem;
  }
}
<<<END>>>