.page-news {
  --news-line: 1px solid var(--moss);
  --news-pad: clamp(16px, 2.6vw, 26px);
}

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

.page-news figure {
  margin: 0;
}

.page-news .breadcrumb {
  padding-top: clamp(14px, 2vw, 22px);
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  padding-block: clamp(18px, 3vw, 34px) clamp(26px, 4vw, 52px);
}

.page-news .news-hero h1 {
  margin: 14px 0 18px;
  max-width: 17ch;
  font-size: clamp(30px, 6.2vw, 62px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.022em;
}

.page-news .news-hero__lead {
  max-width: 60ch;
  color: var(--stone);
  font-size: 17px;
  line-height: 1.85;
}

.page-news .news-hero__media {
  margin-top: clamp(22px, 4vw, 44px);
}

/* ---------- 双栏骨架 ---------- */

.page-news .shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

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

.page-news .rail {
  display: grid;
  gap: 20px;
  padding-bottom: 18px;
  border-bottom: var(--line);
}

.page-news .rail__group {
  display: grid;
  gap: 10px;
}

.page-news .rail__group--index {
  display: none;
}

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

.page-news .news-tags .chip {
  flex: 0 0 auto;
}

.page-news .news-tags__hint {
  color: var(--stone);
  font-size: 13.5px;
  line-height: 1.7;
}

@media (min-width: 1025px) {
  .page-news .shell {
    grid-template-columns: var(--rail) minmax(0, 1fr);
  }

  .page-news .rail {
    position: sticky;
    top: calc(var(--header-h) + 18px);
    padding-bottom: 0;
    border-bottom: 0;
    border-left: 2px solid var(--moss);
    padding-left: 18px;
  }

  .page-news .rail__group--index {
    display: grid;
  }
}

/* ---------- 章节通用 ---------- */

.page-news .section {
  padding-block: clamp(30px, 4.6vw, 60px);
  border-top: var(--news-line);
}

.page-news .section:first-child {
  border-top: 0;
  padding-top: clamp(10px, 1.6vw, 18px);
}

.page-news .section__head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-news .section__title {
  margin: 10px 0 12px;
  font-size: clamp(22px, 3.4vw, 34px);
  font-weight: 700;
  line-height: 1.26;
  letter-spacing: -0.015em;
}

.page-news .news-num {
  margin-right: 0.55em;
  font-family: var(--mono);
  font-size: 0.46em;
  font-weight: 600;
  color: var(--signal);
  letter-spacing: 0.04em;
  vertical-align: 0.18em;
}

.page-news .section__lead {
  max-width: 62ch;
  color: var(--stone);
  font-size: 16px;
  line-height: 1.8;
}

/* ---------- 01 标签说明 ---------- */

.page-news .news-taxonomy__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 34px);
  align-items: start;
}

.page-news .news-taxonomy__list {
  display: grid;
  gap: 14px;
}

.page-news .news-tagcard {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: var(--news-pad);
  background: var(--panel);
  border: var(--news-line);
  border-left: 3px solid var(--moss);
}

.page-news .news-tagcard .tag {
  justify-self: start;
}

.page-news .news-tagcard h3 {
  font-size: 18.5px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-news .news-tagcard p {
  color: var(--stone);
  font-size: 15.5px;
  line-height: 1.78;
}

@media (min-width: 700px) {
  .page-news .news-taxonomy__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-tagcard:nth-child(even) {
    margin-top: 16px;
  }
}

@media (min-width: 980px) {
  .page-news .news-taxonomy__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.85fr);
  }

  .page-news .news-taxonomy__media {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

/* ---------- 02 条目列表 ---------- */

.page-news .log-lead {
  position: relative;
  display: grid;
  gap: 12px;
  margin-bottom: clamp(22px, 3vw, 34px);
  padding: clamp(18px, 3vw, 30px);
  background: var(--deep);
  border: var(--news-line);
  border-left: 5px solid var(--coral);
  box-shadow: var(--hard-sm);
}

.page-news .log-lead h3 {
  max-width: 26ch;
  font-size: clamp(21px, 3vw, 30px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.015em;
}

.page-news .log-lead > p {
  max-width: 66ch;
  color: var(--stone);
  font-size: 16px;
  line-height: 1.82;
}

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

.page-news .log-lead__meta {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--signal);
}

.page-news .log-lead__pulse {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 9px;
  height: 9px;
  background: var(--coral);
  box-shadow: 0 0 0 4px rgba(255, 111, 97, 0.16);
  animation: news-pulse 1.9s var(--ease) infinite;
}

@keyframes news-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

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

.page-news .log-item {
  display: grid;
  gap: 10px;
  padding: clamp(15px, 2.2vw, 22px) 0;
  border-top: var(--news-line);
  border-left: 3px solid transparent;
  transition: border-color 0.24s var(--ease), padding-left 0.24s var(--ease), background-color 0.24s var(--ease);
}

.page-news .log-item:last-child {
  border-bottom: var(--news-line);
}

.page-news .log-item:hover,
.page-news .log-item:focus-within {
  padding-left: 14px;
  border-left-color: var(--signal);
  background-color: rgba(47, 224, 200, 0.045);
}

.page-news .log-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}

.page-news .log-item__stage {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--signal);
  letter-spacing: 0.02em;
}

.page-news .log-item__time {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--stone);
}

.page-news .log-item__body {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.page-news .log-item__title {
  font-size: clamp(17px, 2.1vw, 21px);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.01em;
}

.page-news .log-item__desc {
  max-width: 68ch;
  color: var(--stone);
  font-size: 15.5px;
  line-height: 1.78;
}

@media (min-width: 900px) {
  .page-news .log-item {
    grid-template-columns: 190px minmax(0, 1fr);
    column-gap: 26px;
    align-items: start;
  }

  .page-news .log-item__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 7px;
  }
}

/* ---------- 03 专题系列 ---------- */

.page-news .news-series__cover {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-news .news-series__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-news .news-series__text h3 {
  font-size: clamp(19px, 2.6vw, 25px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.012em;
}

.page-news .news-series__text > p {
  margin-top: 12px;
  max-width: 62ch;
  color: var(--stone);
  font-size: 16px;
  line-height: 1.82;
}

.page-news .news-fields {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-news .news-fields li {
  display: grid;
  gap: 4px;
  padding-left: 14px;
  border-left: 2px solid var(--moss);
}

.page-news .news-fields strong {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--signal-hi);
  letter-spacing: 0.03em;
}

.page-news .news-fields span {
  color: var(--stone);
  font-size: 15.5px;
  line-height: 1.75;
}

.page-news .news-series__foot {
  margin-top: 18px;
  padding: 14px 16px;
  background: var(--panel);
  border-left: 3px solid var(--signal);
  color: var(--paper);
  font-size: 15.5px;
  line-height: 1.78;
}

@media (min-width: 900px) {
  .page-news .news-series__body {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }
}

/* ---------- 04 更新节奏 ---------- */

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

.page-news .cadence {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: var(--news-pad);
  background: var(--panel);
  border: var(--news-line);
  border-top: 3px solid var(--signal);
}

.page-news .cadence__label {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.09em;
  color: var(--stone);
}

.page-news .cadence__value {
  font-family: var(--mono);
  font-size: clamp(23px, 3.2vw, 32px);
  font-weight: 600;
  line-height: 1.15;
  color: var(--signal-hi);
  letter-spacing: -0.01em;
}

.page-news .cadence__desc {
  color: var(--stone);
  font-size: 15px;
  line-height: 1.75;
}

@media (min-width: 640px) {
  .page-news .cadence-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1120px) {
  .page-news .cadence-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .cadence:nth-child(2) {
    margin-top: 14px;
  }

  .page-news .cadence:nth-child(5) {
    margin-top: -8px;
  }
}

/* ---------- 05 下一步 ---------- */

.page-news .next-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-news .next-links a {
  display: grid;
  gap: 7px;
  padding: 18px 20px;
  background: var(--panel);
  border: var(--news-line);
  border-bottom: 3px solid var(--moss);
  color: var(--paper);
  text-decoration: none;
  transition: border-color 0.24s var(--ease), background-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-news .next-links a:hover,
.page-news .next-links a:focus-visible {
  border-color: var(--signal);
  border-bottom-color: var(--signal);
  background: var(--moss);
  transform: translateY(-2px);
}

.page-news .next-links strong {
  font-size: 17.5px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-news .next-links__desc {
  color: var(--stone);
  font-size: 15px;
  line-height: 1.72;
}

.page-news .next-note {
  margin-top: 20px;
  max-width: 64ch;
  color: var(--stone);
  font-size: 15px;
  line-height: 1.8;
}

@media (min-width: 820px) {
  .page-news .next-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

  .page-news .log-item,
  .page-news .next-links a {
    transition: none;
  }
}
<<<END>>>