.page-news {
  --news-rule: rgba(16, 36, 58, 0.12);
  --news-gap: clamp(20px, 3vw, 32px);
}

.page-news .bm-breadcrumb {
  padding-top: clamp(20px, 3vw, 36px);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-top: clamp(20px, 3vw, 32px);
  padding-bottom: clamp(28px, 4vw, 48px);
}

.page-news .news-hero h1 {
  margin: 14px 0 0;
  max-width: 17ch;
  font-family: var(--bm-font-display);
  font-size: clamp(32px, 6.2vw, 64px);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--bm-ink);
}

.page-news .news-hero .bm-lede {
  margin-top: clamp(16px, 2vw, 24px);
  max-width: 62ch;
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--news-rule);
  font-size: 14px;
  line-height: 1.6;
  color: var(--bm-ink-soft);
}

.page-news .news-hero__meta .bm-num {
  color: var(--bm-danxia);
}

/* ---------- 顶部时间轴 ---------- */
.page-news .news-timeline {
  border-top: 1px solid var(--news-rule);
  border-bottom: 1px solid var(--news-rule);
  background: linear-gradient(180deg, rgba(232, 220, 198, 0.45), rgba(243, 239, 231, 0));
}

.page-news .news-timeline__track {
  display: flex;
  gap: clamp(18px, 3vw, 40px);
  overflow-x: auto;
  padding: 26px 2px 20px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-timeline__node {
  position: relative;
  flex: 0 0 auto;
  min-width: 132px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 16px;
  border-top: 2px solid var(--bm-dune);
  text-decoration: none;
  transition: border-color 0.2s var(--bm-ease);
}

.page-news .news-timeline__node::before {
  content: "";
  position: absolute;
  top: -9px;
  left: 0;
  width: 14px;
  height: 17px;
  background: var(--bm-danxia);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 76%, 0 100%);
  transition: background-color 0.2s var(--bm-ease);
}

.page-news .news-timeline__node:hover,
.page-news .news-timeline__node:focus-visible {
  border-color: var(--bm-amber);
}

.page-news .news-timeline__node:hover::before,
.page-news .news-timeline__node:focus-visible::before {
  background: var(--bm-amber);
}

.page-news .news-timeline__time {
  font-family: var(--bm-font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--bm-ink);
}

.page-news .news-timeline__label {
  font-size: 14px;
  color: var(--bm-text);
}

/* ---------- 通栏图 ---------- */
.page-news .news-cover {
  margin: clamp(28px, 4vw, 48px) 0 clamp(8px, 1vw, 16px);
}

.page-news .news-cover__media {
  border-radius: var(--bm-radius);
  overflow: hidden;
  background: linear-gradient(135deg, var(--bm-dune), var(--bm-amber-soft));
}

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

.page-news .news-cover__cap {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--bm-ink-soft);
}

/* ---------- 区块骨架 ---------- */
.page-news .news-block {
  padding-block: clamp(40px, 6vw, 80px);
  scroll-margin-top: 88px;
}

.page-news .news-block + .news-block {
  border-top: 1px solid var(--news-rule);
}

.page-news .news-block--dune {
  border-top-color: transparent;
  background: var(--bm-dune);
}

.page-news .news-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-news .news-head .bm-title {
  margin-top: 8px;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.24;
  color: var(--bm-ink);
}

.page-news .news-head__note {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--bm-ink-soft);
}

@media (min-width: 900px) {
  .page-news .news-head {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: end;
    gap: 44px;
  }
}

/* ---------- 最近更新 ---------- */
.page-news .news-updates {
  gap: var(--news-gap);
}

.page-news .news-update {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--bm-card);
  border: 1px solid var(--news-rule);
  border-radius: var(--bm-radius);
  transition: border-color 0.2s var(--bm-ease), box-shadow 0.2s var(--bm-ease);
}

.page-news .news-update:hover {
  border-color: var(--bm-amber);
  box-shadow: var(--bm-shadow);
}

.page-news .news-update:first-child {
  border-top: 3px solid var(--bm-danxia);
}

.page-news .news-update__title {
  margin: 0;
  font-family: var(--bm-font-body);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--bm-ink);
}

.page-news .news-update__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--bm-text);
}

/* ---------- 标签与元信息 ---------- */
.page-news .news-tag {
  align-self: flex-start;
  display: inline-block;
  padding: 3px 11px;
  border-radius: 999px;
  background: var(--bm-amber-soft);
  color: var(--bm-ink);
  font-size: 12px;
  letter-spacing: 0.05em;
  line-height: 1.7;
}

.page-news .news-tag--dune {
  background: rgba(251, 248, 242, 0.85);
  border: 1px solid rgba(16, 36, 58, 0.16);
}

.page-news .news-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin: auto 0 0;
  padding-top: 12px;
  font-family: var(--bm-font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--bm-ink-soft);
}

/* ---------- 首条大卡片 ---------- */
.page-news .news-feature {
  display: grid;
  overflow: hidden;
  background: var(--bm-card);
  border: 1px solid var(--news-rule);
  border-radius: var(--bm-radius);
  transition: border-color 0.2s var(--bm-ease), box-shadow 0.2s var(--bm-ease);
}

.page-news .news-feature:hover {
  border-color: var(--bm-amber);
  box-shadow: var(--bm-shadow);
}

.page-news .news-feature__media {
  margin: 0;
  background: linear-gradient(135deg, var(--bm-dune), var(--bm-amber-soft));
}

.page-news .news-feature__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
}

.page-news .news-feature__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 3vw, 36px);
}

.page-news .news-feature__title {
  margin: 0;
  font-family: var(--bm-font-display);
  font-size: clamp(21px, 2.8vw, 30px);
  font-weight: 700;
  line-height: 1.32;
  color: var(--bm-ink);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
  transition: text-decoration-color 0.18s var(--bm-ease);
}

.page-news .news-feature:hover .news-feature__title {
  text-decoration-color: var(--bm-amber);
}

.page-news .news-feature__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--bm-text);
}

@media (min-width: 820px) {
  .page-news .news-feature {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-news .news-feature--flip .news-feature__media {
    order: 2;
  }
}

/* ---------- 紧凑条目列表 ---------- */
.page-news .news-list {
  display: grid;
  gap: 1px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--news-rule);
  border: 1px solid var(--news-rule);
  border-radius: var(--bm-radius);
  overflow: hidden;
}

.page-news .news-list__item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--bm-card);
  transition: background-color 0.12s var(--bm-ease);
}

.page-news .news-list__item:hover {
  background: var(--bm-amber-soft);
}

.page-news .news-block--dune .news-list__item:hover {
  background: #FFFDF8;
}

.page-news .news-list__title {
  margin: 0;
  font-family: var(--bm-font-display);
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
  line-height: 1.42;
  color: var(--bm-ink);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  transition: text-decoration-color 0.18s var(--bm-ease);
}

.page-news .news-list__item:hover .news-list__title {
  text-decoration-color: var(--bm-amber);
}

.page-news .news-list__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--bm-text);
}

@media (min-width: 820px) {
  .page-news .news-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 订阅区 ---------- */
.page-news .news-block--sub {
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-news .news-sub__inner {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  padding: clamp(20px, 3vw, 40px);
  background: var(--bm-card);
  border: 1px dashed var(--bm-hair-strong);
  border-radius: var(--bm-radius);
}

.page-news .news-sub__media {
  margin: 0;
  border-radius: var(--bm-radius);
  overflow: hidden;
  background: linear-gradient(135deg, var(--bm-dune), var(--bm-amber-soft));
}

.page-news .news-sub__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-news .news-sub__body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-news .news-sub__body .bm-title {
  margin-top: 6px;
  font-size: clamp(23px, 3vw, 34px);
  line-height: 1.26;
  color: var(--bm-ink);
}

.page-news .news-sub__body .bm-prose {
  margin: 0;
  max-width: 56ch;
}

.page-news .news-sub__hint {
  margin: 0;
  padding: 12px 16px;
  border-left: 3px solid var(--bm-danxia);
  background: rgba(232, 220, 198, 0.4);
  font-size: 15px;
  line-height: 1.85;
  color: var(--bm-text);
}

.page-news .news-sub__hint .bm-copy {
  padding: 0;
  background: none;
  border: 0;
  font-family: var(--bm-font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--bm-ink);
  text-decoration: underline;
  text-decoration-color: var(--bm-amber);
  text-underline-offset: 3px;
  cursor: pointer;
  min-height: 44px;
}

.page-news .news-sub__body .bm-faq__item {
  margin-top: 4px;
}

.page-news .news-sub__links {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--bm-text);
}

@media (min-width: 900px) {
  .page-news .news-sub__inner {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-timeline__node,
  .page-news .news-timeline__node::before,
  .page-news .news-update,
  .page-news .news-feature,
  .page-news .news-feature__title,
  .page-news .news-list__title,
  .page-news .news-list__item {
    transition: none;
  }
}