/* ===== 观察笔记 /notes/ ===== */
.page-news {
  --news-line: rgba(110, 139, 133, .22);
  --news-panel: rgba(20, 49, 64, .58);
  --news-soft: rgba(243, 245, 242, .78);
  --news-indigo: #8D8ADA;
  --news-wine: #C4788A;
  --news-ink-soft: #46585F;
}

.page-news img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  overflow: hidden;
}

.page-news .news-hero .breadcrumbs {
  margin-bottom: clamp(26px, 5vw, 48px);
}

.page-news .news-hero__grid {
  align-items: end;
  column-gap: clamp(20px, 4vw, 48px);
  row-gap: clamp(30px, 6vw, 52px);
}

.page-news .news-hero__lead {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-news .news-hero__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(36px, 8.4vw, 84px);
  font-weight: 900;
  line-height: 1.03;
  letter-spacing: -.03em;
  color: var(--c-paper);
}

.page-news .news-hero__title em {
  font-style: normal;
  color: var(--c-gold);
}

.page-news .news-hero__lede {
  max-width: 42ch;
  color: var(--news-soft);
}

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

.page-news .news-hero__meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 15px;
  border: 1px solid var(--news-line);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--fs-7);
  letter-spacing: .06em;
  color: var(--c-mute);
}

.page-news .news-hero__meta li b {
  font-weight: 700;
  color: var(--c-paper);
}

.page-news .news-hero__figure {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-news .news-hero__frame {
  display: block;
}

.page-news .news-hero__figure .media-frame__img {
  border-radius: var(--radius-md);
}

/* ---------- 通用区块头 ---------- */
.page-news .news-block-head {
  display: grid;
  gap: 12px;
  max-width: 60ch;
}

.page-news .news-block-head .section-title {
  margin: 0;
}

.page-news .news-block-head__desc {
  color: var(--c-mute);
  line-height: 1.75;
  font-size: var(--fs-5);
}

/* ---------- 笔记列表与筛选 ---------- */
.page-news .note-filter {
  position: relative;
  margin-top: clamp(22px, 4vw, 36px);
}

.page-news .note-topic-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  border-radius: var(--radius-pill);
}

.page-news .note-filter:focus-within .filter-bar {
  outline: 2px solid var(--c-signal);
  outline-offset: 5px;
}

.page-news .filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 16px;
  border: 2px solid var(--news-line);
  border-radius: var(--radius-pill);
  font-size: var(--fs-6);
  color: var(--c-mute);
  cursor: pointer;
  transition: border-color .18s var(--ease), color .18s var(--ease), background-color .18s var(--ease);
}

.page-news .filter-chip:hover {
  border-color: var(--line-strong);
  color: var(--c-paper);
}

.page-news .filter-chip__n {
  font-family: var(--font-mono);
  font-size: var(--fs-7);
  letter-spacing: .08em;
  color: var(--c-gold);
}

.page-news #nf-all:checked ~ .filter-bar label[for="nf-all"],
.page-news #nf-index:checked ~ .filter-bar label[for="nf-index"],
.page-news #nf-night:checked ~ .filter-bar label[for="nf-night"],
.page-news #nf-check:checked ~ .filter-bar label[for="nf-check"],
.page-news #nf-local:checked ~ .filter-bar label[for="nf-local"] {
  border-color: var(--c-signal);
  background: var(--signal-soft);
  color: var(--c-paper);
}

.page-news #nf-index:checked ~ .note-list .note-item:not([data-topic="index"]),
.page-news #nf-night:checked ~ .note-list .note-item:not([data-topic="night"]),
.page-news #nf-check:checked ~ .note-list .note-item:not([data-topic="check"]),
.page-news #nf-local:checked ~ .note-list .note-item:not([data-topic="local"]) {
  display: none;
}

.page-news .note-list {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  border-top: 2px solid var(--line-strong);
}

.page-news .note-item {
  position: relative;
  border-bottom: 1px solid var(--news-line);
}

.page-news .note-item::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: var(--c-signal);
  transform: scaleY(0);
  transform-origin: 50% 0;
  transition: transform .24s var(--ease);
}

.page-news .note-item:hover::before,
.page-news .note-item:focus-within::before {
  transform: scaleY(1);
}

.page-news .note-entry {
  display: block;
}

.page-news .note-entry__head {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "num time"
    "title title"
    "tag tag";
  align-items: center;
  gap: 9px 14px;
  padding: 20px 16px 20px 20px;
  cursor: pointer;
  list-style: none;
  transition: background-color .2s var(--ease);
}

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

.page-news .note-entry__head:hover,
.page-news .note-entry[open] > .note-entry__head {
  background: var(--news-panel);
}

.page-news .note-entry__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: var(--fs-7);
  letter-spacing: .1em;
  color: var(--c-gold);
}

.page-news .note-entry__title {
  grid-area: title;
  font-family: var(--font-head);
  font-size: clamp(18px, 2.3vw, 22px);
  font-weight: 800;
  line-height: 1.36;
  letter-spacing: -.015em;
  color: var(--c-paper);
}

.page-news .note-entry__time {
  grid-area: time;
  justify-self: end;
  font-family: var(--font-mono);
  font-size: var(--fs-7);
  letter-spacing: .08em;
  color: var(--c-tide);
}

.page-news .note-tag {
  grid-area: tag;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border: 1px solid currentColor;
  border-radius: var(--radius-pill);
  font-size: var(--fs-7);
  line-height: 1.6;
  letter-spacing: .04em;
}

.page-news .note-tag--indigo { color: var(--news-indigo); }
.page-news .note-tag--wine { color: var(--news-wine); }
.page-news .note-tag--tide { color: var(--c-tide); }
.page-news .note-tag--gold { color: var(--c-gold); }

.page-news .note-entry__body {
  display: grid;
  gap: 12px;
  padding: 0 20px 26px;
  max-width: 78ch;
}

.page-news .note-entry__body p {
  margin: 0;
  font-size: var(--fs-5);
  line-height: 1.78;
  color: var(--c-mute);
}

.page-news .note-entry__grid {
  display: grid;
  gap: 18px;
}

.page-news .note-entry__thumb {
  margin: 0;
  max-width: 220px;
}

/* ---------- 专题分组（浅色分区） ---------- */
.page-news .news-topics {
  color: var(--c-ink);
}

.page-news .news-topics .eyebrow {
  color: #8A6F14;
}

.page-news .news-block-head--on-paper .news-block-head__desc {
  color: var(--news-ink-soft);
}

.page-news .news-topics .section-title,
.page-news .news-topics .news-block-head .section-title {
  color: var(--c-ink);
}

.page-news .news-topics__figure {
  margin: clamp(24px, 4vw, 40px) 0 0;
  display: grid;
  gap: 10px;
}

.page-news .news-topics__figure .media-frame__img {
  border-radius: var(--radius-md);
}

.page-news .news-topics .media-frame__caption {
  color: #5B6D69;
}

.page-news .topic-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(24px, 4vw, 40px);
}

.page-news .topic-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 22px 20px 24px;
  border: 2px solid transparent;
  border-top: 4px solid var(--c-ink);
  border-radius: var(--radius-md);
  background: var(--c-sand);
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-news .topic-card:hover {
  border-color: var(--c-signal);
  border-top-color: var(--c-signal);
  background: #EFE7D6;
}

.page-news .topic-card--indigo { border-top-color: var(--c-indigo); }
.page-news .topic-card--wine { border-top-color: var(--c-wine); }
.page-news .topic-card--tide { border-top-color: var(--c-tide); }
.page-news .topic-card--gold { border-top-color: var(--c-gold); }

.page-news .topic-card__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-7);
  letter-spacing: .12em;
  color: #7C7355;
}

.page-news .topic-card__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: var(--fs-4);
  font-weight: 800;
  letter-spacing: -.015em;
  color: var(--c-ink);
}

.page-news .topic-card__desc {
  margin: 0;
  font-size: var(--fs-5);
  line-height: 1.72;
  color: var(--news-ink-soft);
}

.page-news .topic-card__meta {
  margin: 4px 0 0;
  padding-top: 12px;
  border-top: 1px solid rgba(18, 38, 47, .16);
  font-family: var(--font-mono);
  font-size: var(--fs-7);
  letter-spacing: .06em;
  color: #6B7A76;
}

/* ---------- 2026 版本说明 ---------- */
.page-news .news-version__grid {
  row-gap: clamp(30px, 5vw, 48px);
}

.page-news .news-version__lede {
  margin: 16px 0 0;
  max-width: 44ch;
  font-size: var(--fs-5);
  line-height: 1.78;
  color: var(--news-soft);
}

.page-news .change-list {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  border-top: 2px solid var(--line);
}

.page-news .change-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 20px 2px;
  border-bottom: 1px solid var(--news-line);
}

.page-news .change-item__num {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: var(--fs-7);
  letter-spacing: .1em;
  color: var(--c-gold);
}

.page-news .change-item__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: var(--fs-4);
  font-weight: 800;
  letter-spacing: -.015em;
  color: var(--c-sand);
}

.page-news .change-item p {
  margin: 0;
  font-size: var(--fs-5);
  line-height: 1.75;
  color: var(--c-mute);
}

.page-news .news-version__aside {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-news .news-version__figure {
  margin: 0;
}

.page-news .news-version__figure .media-frame__img {
  border-radius: var(--radius-md);
}

.page-news .version-chip {
  display: grid;
  gap: 10px;
  padding: 18px;
  border: 2px solid var(--signal-line);
  border-radius: var(--radius-md);
  background: var(--signal-soft);
}

.page-news .version-chip__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-7);
  letter-spacing: .1em;
  color: var(--c-mute);
}

.page-news .version-chip__copy {
  justify-self: start;
}

.page-news .version-chip__hint {
  margin: 0;
  font-size: var(--fs-7);
  line-height: 1.7;
  color: var(--c-mute);
}

.page-news .version-note {
  margin: 0;
  font-size: var(--fs-6);
  line-height: 1.78;
  color: var(--c-tide);
  border-left: 2px solid var(--line-strong);
  padding-left: 14px;
}

/* ---------- 编辑口径 ---------- */
.page-news .news-editorial__grid {
  row-gap: clamp(24px, 4vw, 40px);
}

.page-news .news-editorial__intro {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-news .news-editorial__intro .section-title {
  margin: 0;
}

.page-news .news-editorial__intro p {
  margin: 0;
  font-size: var(--fs-5);
  line-height: 1.78;
  color: var(--c-mute);
}

.page-news .news-editorial a {
  color: var(--c-signal);
  text-decoration: none;
  border-bottom: 1px solid var(--signal-line);
  transition: border-color .2s var(--ease);
}

.page-news .news-editorial a:hover {
  border-bottom-color: var(--c-signal);
}

.page-news .rule-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--line-strong);
}

.page-news .rule-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 18px 2px;
  border-bottom: 1px solid var(--news-line);
}

.page-news .rule-item__num {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: var(--fs-7);
  letter-spacing: .1em;
  color: var(--c-gold);
}

.page-news .rule-item p {
  margin: 0;
  font-size: var(--fs-5);
  line-height: 1.75;
  color: var(--news-soft);
}

/* ---------- 订阅与回看 ---------- */
.page-news .subscribe-band {
  display: grid;
  gap: 24px;
  padding: clamp(24px, 5vw, 48px);
  border: 2px solid var(--signal-line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(255, 122, 24, .16), transparent 62%),
    var(--news-panel);
}

.page-news .subscribe-band__text {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-news .subscribe-band__text .section-title {
  margin: 0;
}

.page-news .subscribe-band__text p {
  margin: 0;
  max-width: 52ch;
  font-size: var(--fs-5);
  line-height: 1.78;
  color: var(--news-soft);
}

.page-news .subscribe-band__action {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-news .note-entry__grid {
    grid-template-columns: minmax(0, 1fr) 176px;
    align-items: start;
  }

  .page-news .note-entry__thumb {
    max-width: none;
  }

  .page-news .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 20px;
    row-gap: 20px;
  }

  .page-news .topic-card:nth-child(2) {
    margin-top: 30px;
  }

  .page-news .topic-card:nth-child(4) {
    margin-top: 30px;
  }
}

@media (min-width: 860px) {
  .page-news .note-entry__head {
    grid-template-columns: 88px minmax(0, 1fr) auto auto;
    grid-template-areas: "num title tag time";
    align-items: center;
    gap: 16px;
    padding: 22px 20px 22px 24px;
  }

  .page-news .note-tag {
    justify-self: end;
  }

  .page-news .note-entry__time {
    justify-self: end;
    min-width: 72px;
    text-align: right;
  }

  .page-news .news-version__aside {
    padding-top: 56px;
  }
}

@media (min-width: 1000px) {
  .page-news .subscribe-band {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: center;
    gap: 32px;
  }

  .page-news .subscribe-band__action {
    justify-content: flex-end;
  }
}
<<<END>>>