.page-news {
  --news-rule: 1px solid var(--ink-700);
  --news-rule-light: 1px solid rgba(20, 38, 52, 0.16);
}

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

.page-news .news-hero {
  padding-top: clamp(18px, 3vw, 40px);
  padding-bottom: clamp(28px, 4.5vw, 60px);
}

.page-news .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(20px, 3.4vw, 42px);
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--stone-light);
}

.page-news .breadcrumb__list > li:not(:last-child)::after {
  content: "/";
  margin-left: 8px;
  color: var(--ink-700);
}

.page-news .breadcrumb__link {
  color: var(--stone-light);
  text-decoration: none;
}

.page-news .breadcrumb__link:hover {
  color: var(--gold-200);
}

.page-news .breadcrumb__current {
  color: var(--gold-500);
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2.4vw, 26px);
}

.page-news .news-hero__aside {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-news .news-hero__aside .annotation {
  margin: 0;
  color: var(--gold-500);
}

.page-news .news-hero__aside .vertical-note {
  color: var(--stone-light);
}

.page-news .eyebrow {
  margin: 0;
  color: var(--gold-500);
}

.page-news .news-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 5.2vw, 60px);
  line-height: 1.18;
  letter-spacing: 0.01em;
  color: var(--gold-200);
  max-width: 17em;
}

.page-news .news-hero__lede {
  margin: clamp(14px, 2vw, 22px) 0 0;
  max-width: 44ch;
  font-size: clamp(15.5px, 1.3vw, 18px);
  line-height: 1.9;
  color: var(--paper-100);
}

.page-news .news-hero__media {
  margin: clamp(24px, 3.6vw, 46px) 0 0;
}

.page-news .news-hero__media .media__img {
  width: 100%;
  object-fit: cover;
}

.page-news .media__caption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--stone-light);
}

/* 章节骨架 */
.page-news .chapter {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-news .chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 42px);
  line-height: 1.3;
  color: var(--paper-100);
}

.page-news .chapter__body > p {
  max-width: 58ch;
  line-height: 1.9;
  color: var(--paper-100);
}

/* 节奏区 */
.page-news .news-rhythm {
  padding-top: clamp(28px, 4vw, 56px);
  padding-bottom: clamp(28px, 4vw, 56px);
  border-top: var(--news-rule);
}

.page-news .news-rhythm__intro {
  margin: 16px 0 0;
}

.page-news .rhythm {
  margin: clamp(22px, 3vw, 36px) 0 0;
  border-top: var(--news-rule);
}

.page-news .rhythm__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 16px;
  padding: 20px 0;
  border-bottom: var(--news-rule);
}

.page-news .rhythm__num {
  grid-row: 1 / span 3;
  align-self: start;
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold-500);
}

.page-news .rhythm__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--gold-200);
}

.page-news .rhythm__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-100);
}

.page-news .rhythm__freq {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--stone-light);
}

.page-news .news-rhythm__foot {
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--stone-light);
  max-width: 52ch;
}

/* 条目列表 */
.page-news .news-feed {
  padding-top: clamp(28px, 4vw, 56px);
  padding-bottom: clamp(34px, 5vw, 68px);
}

.page-news .news-feed__head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-news .news-feed__head h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.2vw, 38px);
  line-height: 1.32;
  color: var(--paper-100);
}

.page-news .news-feed__count {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--stone-light);
}

.page-news .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 clamp(18px, 2.6vw, 28px);
}

.page-news .news-tab {
  appearance: none;
  background: transparent;
  border: 1px solid var(--ink-700);
  color: var(--paper-100);
  font-family: var(--font-body);
  font-size: 13.5px;
  letter-spacing: 0.08em;
  padding: 9px 18px;
  cursor: pointer;
  transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.page-news .news-tab:hover {
  border-color: var(--gold-500);
  color: var(--gold-200);
}

.page-news .news-tab[aria-selected="true"] {
  background: var(--gold-500);
  border-color: var(--gold-500);
  color: var(--ink-900);
}

.page-news .news-tab:focus-visible {
  outline: 2px solid var(--gold-200);
  outline-offset: 2px;
}

.page-news .news-panel {
  padding: 0;
}

.page-news .feed-item {
  position: relative;
  margin: 0;
  padding: 20px 0 20px 18px;
  border-bottom: var(--news-rule);
  transition: background-color 0.18s ease;
}

.page-news .feed-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 4px;
  background: var(--gold-500);
}

.page-news .feed-item--rules::before {
  background: var(--moss-700);
}

.page-news .feed-item--scenes::before {
  background: var(--cinnabar);
}

.page-news .feed-item:hover {
  background: rgba(201, 162, 90, 0.05);
}

.page-news .feed-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .feed-item__time {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold-200);
  min-width: 3.4em;
}

.page-news .feed-item__dur {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--stone-light);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.page-news .feed-item__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 1.7vw, 20px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper-100);
}

.page-news .feed-item__summary {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--stone-light);
  max-width: 46ch;
}

.page-news .feed-item__media {
  margin: 16px 0 0;
}

.page-news .feed-item__media .media__img {
  width: 100%;
  object-fit: cover;
}

/* 规则专题 */
.page-news .news-topics {
  padding-top: clamp(34px, 5vw, 72px);
  padding-bottom: clamp(34px, 5vw, 72px);
  background: var(--paper-100);
  color: var(--ink-900);
}

.page-news .news-topics .eyebrow {
  color: var(--moss-700);
}

.page-news .topics-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
}

.page-news .topics-media {
  margin: 0;
}

.page-news .topics-media .media__img {
  width: 100%;
  object-fit: cover;
}

.page-news .news-topics .media__caption {
  color: var(--stone-400);
}

.page-news .topics-body h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 3vw, 36px);
  line-height: 1.34;
  color: var(--ink-900);
}

.page-news .topics-lead {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--ink-800);
  max-width: 54ch;
}

.page-news .topics-series {
  height: 5px;
  width: 100%;
  max-width: 300px;
  margin: clamp(18px, 2.4vw, 26px) 0 clamp(16px, 2.2vw, 24px);
  background-image: repeating-linear-gradient(
    90deg,
    var(--gold-500) 0 12px,
    transparent 12px 20px
  );
  opacity: 0.7;
}

.page-news .topics-details {
  border-top: var(--news-rule-light);
  border-bottom: var(--news-rule-light);
}

.page-news .topics-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 0;
  list-style: none;
  cursor: pointer;
  font-size: 14.5px;
  letter-spacing: 0.04em;
  color: var(--ink-900);
}

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

.page-news .topics-details summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--moss-700);
}

.page-news .topics-details[open] summary::after {
  content: "–";
}

.page-news .topics-details summary:focus-visible {
  outline: 2px solid var(--moss-700);
  outline-offset: 2px;
}

.page-news .topic-list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-news .topic-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-top: var(--news-rule-light);
}

.page-news .topic-item__id {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--moss-700);
}

.page-news .topic-item__name {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-900);
}

.page-news .topic-item__impact {
  font-size: 11.5px;
  color: var(--stone-400);
  white-space: nowrap;
}

.page-news .topics-cta {
  margin-top: clamp(20px, 2.6vw, 28px);
  display: inline-block;
}

/* 场景记录 */
.page-news .news-scenes {
  padding-top: clamp(32px, 4.6vw, 64px);
  padding-bottom: clamp(30px, 4.4vw, 60px);
}

.page-news .news-scenes__intro {
  margin: 16px 0 0;
}

.page-news .scene-media {
  margin: clamp(22px, 3vw, 34px) 0;
}

.page-news .scene-media .media__img {
  width: 100%;
  object-fit: cover;
}

.page-news .scene-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--news-rule);
}

.page-news .scene-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 16px;
  padding: 18px 0;
  border-bottom: var(--news-rule);
}

.page-news .scene-item__num {
  grid-row: 1 / span 2;
  align-self: start;
  padding-top: 4px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold-500);
}

.page-news .scene-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--gold-200);
}

.page-news .scene-item__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--paper-100);
  max-width: 50ch;
}

.page-news .news-scenes__note {
  margin: clamp(18px, 2.4vw, 26px) 0 clamp(20px, 2.6vw, 28px);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--stone-light);
  max-width: 52ch;
}

/* 回访入口 */
.page-news .news-return {
  padding-top: clamp(20px, 3vw, 36px);
  padding-bottom: clamp(40px, 6vw, 84px);
}

.page-news .return-panel {
  border: 1px solid var(--gold-500);
  background: var(--ink-800);
  padding: clamp(24px, 4vw, 52px);
}

.page-news .return-panel__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 2.8vw, 34px);
  line-height: 1.36;
  color: var(--gold-200);
  max-width: 22em;
}

.page-news .return-panel__text {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--paper-100);
  max-width: 54ch;
}

.page-news .return-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.8vw, 30px);
}

.page-news .return-panel__contact {
  margin: 18px 0 0;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--stone-light);
}

@media (min-width: 720px) {
  .page-news .news-feed__head {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .page-news .news-feed__count {
    justify-self: end;
    padding-bottom: 6px;
  }
}

@media (min-width: 860px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 0.7fr) minmax(0, 2.6fr);
    align-items: start;
    column-gap: clamp(26px, 5vw, 70px);
  }

  .page-news .news-hero__aside {
    padding-top: 10px;
  }

  .page-news .chapter {
    grid-template-columns: 84px minmax(0, 1fr);
    column-gap: clamp(20px, 3vw, 40px);
  }

  .page-news .rhythm {
    display: grid;
    grid-template-columns: 1.35fr 1fr 1fr;
    column-gap: clamp(22px, 3vw, 44px);
  }

  .page-news .rhythm__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
    padding: 18px 0 0;
    border-bottom: 0;
    border-top: 1px solid var(--gold-500);
  }

  .page-news .rhythm__num {
    grid-row: auto;
    padding-top: 0;
  }

  .page-news .topics-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.55fr);
    align-items: start;
  }

  .page-news .topics-media {
    margin-top: 6px;
  }

  .page-news .feed-item--feature {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    column-gap: clamp(24px, 3vw, 42px);
    align-items: start;
  }

  .page-news .feed-item--feature .feed-item__meta,
  .page-news .feed-item--feature .feed-item__title,
  .page-news .feed-item--feature .feed-item__summary {
    grid-column: 1;
  }

  .page-news .feed-item--feature .feed-item__media {
    grid-column: 2;
    grid-row: 1 / span 3;
    margin-top: 0;
  }

  .page-news .scene-item {
    grid-template-columns: 54px minmax(0, 1fr);
    column-gap: 24px;
  }
}

@media (hover: hover) and (min-width: 900px) {
  .page-news .feed-item__dur {
    opacity: 0;
    transform: translateX(-6px);
  }

  .page-news .feed-item:hover .feed-item__dur,
  .page-news .feed-item:focus-within .feed-item__dur {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 520px) {
  .page-news .topic-item {
    grid-template-columns: auto minmax(0, 1fr);
    row-gap: 2px;
  }

  .page-news .topic-item__impact {
    grid-column: 2;
    white-space: normal;
  }

  .page-news .return-actions .btn {
    width: 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .feed-item,
  .page-news .feed-item__dur,
  .page-news .news-tab {
    transition: none;
  }

  .page-news .feed-item__dur {
    transform: none;
  }
}
<<<END>>>