.page-news {
  --news-side: 240px;
  --news-rule: #274762;
  display: block;
  background: var(--ink-900);
  color: var(--text);
  font-family: var(--sans);
  padding-bottom: 72px;
}

.page-news .shell {
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--pad);
}

/* ---------- 面包屑 ---------- */
.page-news .crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 20px 0 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

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

.page-news .crumbs li + li::before {
  content: "/";
  color: var(--news-rule);
}

.page-news .crumbs a {
  color: var(--muted);
  text-decoration: none;
  transition: color var(--t-fast);
}

.page-news .crumbs a:hover,
.page-news .crumbs a:focus-visible {
  color: var(--orange);
}

.page-news .crumbs [aria-current="page"] {
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  display: grid;
  gap: 28px;
  padding: 28px 0 36px;
  border-bottom: 1px solid var(--line);
}

.page-news .eyebrow {
  margin: 0 0 12px;
  letter-spacing: 0.16em;
}

.page-news .display-xl {
  margin: 0 0 18px;
  font-family: var(--display);
  font-size: clamp(32px, 7.6vw, 66px);
  line-height: 1.03;
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--text);
  text-wrap: balance;
  overflow-wrap: break-word;
}

.page-news .news-hero__lede {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .news-hero__figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 26px 0 0;
  padding: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .news-hero__figures > div {
  background: var(--ink-800);
  padding: 14px 14px 13px;
}

.page-news .news-hero__figures dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-news .news-hero__figures dd {
  margin: 8px 0 0;
  font-family: var(--mono);
  font-size: 24px;
  line-height: 1;
  color: var(--amber);
}

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

.page-news .figure__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-700);
}

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

.page-news .figure__cap {
  margin: 10px 0 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.page-news .news-hero__cover .figure__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(215, 227, 238, 0.045) 0 1px,
    transparent 1px 4px
  );
}

/* ---------- 主体分栏 ---------- */
.page-news .news-layout {
  display: grid;
  gap: 34px;
  padding-top: 32px;
}

.page-news .news-side {
  display: grid;
  gap: 22px;
  align-content: start;
}

.page-news .news-side__label {
  margin: 0 0 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-news .news-side__index {
  list-style: none;
  margin: 0;
  padding: 1px;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .news-side__index li {
  background: var(--ink-900);
}

.page-news .news-side__index a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 11px;
  color: var(--text);
  font-size: 13px;
  text-decoration: none;
  transition: color var(--t-fast), background var(--t-fast);
}

.page-news .news-side__index a:hover,
.page-news .news-side__index a:focus-visible {
  color: var(--orange);
  background: var(--ink-800);
}

.page-news .news-side__index .mono {
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-news .note {
  margin: 0;
  padding: 16px 16px 16px 18px;
  border-left: 2px solid var(--cyan);
  background: var(--ink-800);
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, 0.4);
}

.page-news .note a:hover,
.page-news .note a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 章节 ---------- */
.page-news .news-main {
  display: grid;
  gap: 44px;
  min-width: 0;
}

.page-news .news-section {
  scroll-margin-top: 128px;
  min-width: 0;
}

.page-news .news-section + .news-section {
  padding-top: 36px;
  border-top: 1px solid var(--line);
}

.page-news .news-section h2 {
  margin: 0 0 14px;
  font-family: var(--display);
  font-size: clamp(23px, 4.4vw, 33px);
  line-height: 1.18;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--text);
  overflow-wrap: break-word;
}

.page-news .prose {
  margin: 0 0 18px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

.page-news .prose a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, 0.4);
}

.page-news .prose a:hover,
.page-news .prose a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 导读三条 ---------- */
.page-news .lead-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 1px;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .lead-list__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 16px;
  background: var(--ink-800);
  transition: background var(--t-fast);
}

.page-news .lead-list__item:hover {
  background: var(--ink-700);
}

.page-news .lead-list__num {
  display: inline-block;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--cyan);
  font-size: 20px;
  line-height: 1;
  color: var(--amber);
}

.page-news .lead-list h3 {
  margin: 0 0 7px;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--text);
  overflow-wrap: break-word;
}

.page-news .lead-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 四个系列 ---------- */
.page-news .series-grid {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .series-card {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 20px 18px;
  background: var(--ink-700);
  border: 1px solid var(--line);
  border-left-width: 3px;
  transition: border-color var(--t-fast);
}

.page-news .series-card:hover {
  border-color: var(--orange);
}

.page-news .series-card--a { border-left-color: var(--orange); }
.page-news .series-card--b { border-left-color: var(--cyan); }
.page-news .series-card--c { border-left-color: var(--amber); }
.page-news .series-card--d { border-left-color: var(--muted); }

.page-news .series-card__no {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-news .series-card h3 {
  margin: 0;
  font-size: 19px;
  font-weight: 500;
  color: var(--text);
}

.page-news .series-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .series-card a {
  color: var(--cyan);
  text-decoration: none;
}

.page-news .series-card a:hover,
.page-news .series-card a:focus-visible {
  color: var(--orange);
}

.page-news .series-card__meta {
  margin: 6px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--amber);
}

/* ---------- 条目列表 ---------- */
.page-news .entry-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

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

.page-news .entry:nth-child(5n) {
  border-bottom: 2px solid var(--news-rule);
}

.page-news .entry .accordion__trigger {
  position: relative;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  grid-template-areas:
    "num title"
    "num meta";
  gap: 7px 12px;
  align-items: start;
  width: 100%;
  margin: 0;
  padding: 16px 28px 16px 0;
  background: transparent;
  border: 0;
  text-align: left;
  color: var(--text);
  font-family: var(--sans);
  cursor: pointer;
}

.page-news .entry .accordion__trigger:hover .entry__title {
  color: var(--orange);
}

.page-news .entry .accordion__trigger:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-news .entry__num {
  grid-area: num;
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-news .entry__title {
  grid-area: title;
  font-size: 16px;
  line-height: 1.52;
  color: var(--text);
  overflow-wrap: break-word;
  transition: color var(--t-fast);
}

.page-news .entry__meta {
  grid-area: meta;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}

.page-news .entry__time {
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.page-news .entry .accordion__mark {
  position: absolute;
  top: 16px;
  right: 2px;
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1;
  color: var(--muted);
  transition: color var(--t-fast);
}

.page-news .entry .accordion__trigger:hover .accordion__mark {
  color: var(--cyan);
}

.page-news .entry__panel {
  padding: 0 8px 18px 44px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .entry__panel p {
  margin: 0;
}

.page-news .tag {
  display: inline-block;
  padding: 2px 7px;
  border: 1px solid var(--news-rule);
  background: var(--ink-800);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--muted);
  white-space: nowrap;
}

.page-news .tag--cyan {
  color: var(--cyan);
  border-color: rgba(53, 224, 208, 0.38);
}

.page-news .tag--amber {
  color: var(--amber);
  border-color: rgba(232, 180, 74, 0.38);
}

/* ---------- 更新节奏 ---------- */
.page-news .cadence-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .cadence-list > li {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .cadence-list h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
}

.page-news .cadence-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .cadence-freq {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

/* ---------- 往期索引 ---------- */
.page-news .archive-grid {
  list-style: none;
  margin: 6px 0 22px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(54px, 1fr));
  gap: 7px;
}

.page-news .archive-grid li {
  padding: 13px 0;
  border: 1px solid var(--line);
  background: var(--ink-800);
  text-align: center;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .archive-grid .is-current {
  border-color: var(--cyan);
  background: rgba(53, 224, 208, 0.07);
  color: var(--cyan);
}

/* ---------- 编辑旁注 ---------- */
.page-news #colophon .note {
  max-width: 62ch;
  padding: 20px 20px 20px 22px;
  font-size: 14px;
  line-height: 1.85;
}

.page-news #colophon .note p + p {
  margin-top: 12px;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-news .news-hero__figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-news .lead-list__item {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 18px;
    padding: 20px;
  }
}

@media (min-width: 760px) {
  .page-news .entry .accordion__trigger {
    grid-template-columns: 40px minmax(0, 1fr) auto;
    grid-template-areas: "num title meta";
    align-items: baseline;
    gap: 16px;
    padding: 18px 34px 18px 0;
  }

  .page-news .entry .accordion__mark {
    top: 20px;
  }

  .page-news .entry__panel {
    padding: 0 34px 20px 56px;
    max-width: 74ch;
  }

  .page-news .cadence-list > li {
    grid-template-columns: 150px minmax(0, 1fr) 130px;
    gap: 24px;
    align-items: baseline;
  }

  .page-news .cadence-freq {
    text-align: right;
  }
}

@media (min-width: 980px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 48px;
    align-items: end;
    padding: 48px 0 56px;
  }

  .page-news .news-layout {
    grid-template-columns: var(--news-side) minmax(0, 1fr);
    gap: 56px;
    padding-top: 46px;
  }

  .page-news .news-side {
    position: sticky;
    top: 132px;
  }

  .page-news .news-main {
    gap: 52px;
  }
}
</>