/* ===== 内容笔记 / 页面专属样式 ===== */
.page-news {
  --news-pad-y: clamp(32px, 5vw, 76px);
  --news-item-pad: clamp(18px, 2.4vw, 30px);
  background: var(--bg);
  color: var(--fg);
  overflow-x: clip;
}

/* ---- 首屏 ---- */
.page-news .news-hero {
  position: relative;
  padding-top: clamp(22px, 4vw, 52px);
  padding-bottom: clamp(30px, 5vw, 68px);
}

.page-news .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(20px, 3vw, 36px);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--fg);
  opacity: .62;
}

.page-news .breadcrumbs__item {
  color: inherit;
  text-decoration: none;
}

.page-news .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 10px;
  opacity: .5;
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  align-items: end;
}

.page-news .news-hero__title {
  margin: 16px 0 20px;
  font-size: clamp(40px, 9vw, 106px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.02em;
}

.page-news .news-hero__lead {
  max-width: 62ch;
  font-size: clamp(16px, 1.55vw, 19px);
  line-height: 1.8;
  margin: 0;
}

.page-news .news-hero__aside {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding-left: clamp(14px, 2vw, 22px);
  border-left: 1px solid var(--line);
}

.page-news .news-hero__note {
  padding-top: 12px;
  border-top: 2px solid var(--orange);
}

.page-news .news-hero__note-label {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--fg);
  opacity: .6;
}

.page-news .news-hero__note-num {
  margin: 0 0 10px;
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-news .news-hero__note-u {
  margin-left: 4px;
  font-size: .38em;
  color: var(--fg);
  opacity: .6;
}

.page-news .news-hero__note-text {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fg);
  opacity: .68;
}

.page-news .news-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(30px, 5vw, 62px) 0 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .news-stat {
  background: var(--bg);
  padding: 16px 14px 18px;
  min-width: 0;
}

.page-news .news-stat__k {
  margin: 0 0 10px;
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: .05em;
  color: var(--fg);
  opacity: .62;
}

.page-news .news-stat__v {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 0;
}

.page-news .news-stat__num {
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-news .news-stat__u {
  font-size: 13px;
  color: var(--fg);
  opacity: .6;
}

/* ---- 头条 ---- */
.page-news .news-lead {
  padding-top: var(--news-pad-y);
  padding-bottom: var(--news-pad-y);
}

.page-news .news-lead__head {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-news .news-lead__card {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 42px);
  padding-top: clamp(20px, 3vw, 36px);
  border-top: 1px solid var(--line);
}

.page-news .news-lead__media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-soft);
}

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

.page-news .news-lead__media .media__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 7px 14px;
  font-size: 12px;
  letter-spacing: .1em;
  background: var(--orange);
  color: var(--ink-900);
}

.page-news .news-lead__meta {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--fg);
  opacity: .62;
}

.page-news .news-lead__title {
  margin: 0 0 16px;
  font-size: clamp(24px, 3.4vw, 44px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.01em;
}

.page-news .news-lead__desc {
  max-width: 58ch;
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--fg);
  opacity: .76;
}

.page-news .news-lead__points {
  display: grid;
  gap: 10px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

.page-news .news-lead__points li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--fg);
  opacity: .82;
}

.page-news .news-lead__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 10px;
  height: 1px;
  background: var(--cyan);
}

/* ---- 主题浏览 + 文章列表 ---- */
.page-news .news-stream {
  padding-top: var(--news-pad-y);
  padding-bottom: var(--news-pad-y);
}

.page-news .news-stream__head {
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-news .news-stream__lead {
  max-width: 60ch;
  margin-top: 12px;
}

.page-news .news-browser {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 44px);
}

.page-news .news-rail__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--fg);
  opacity: .55;
}

.page-news .news-tablist {
  display: flex;
  flex-direction: row;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-news .news-tab {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  padding: 10px 14px;
  font: inherit;
  font-size: 14px;
  line-height: 1.3;
  text-align: left;
  white-space: nowrap;
  color: var(--fg);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--r);
  cursor: pointer;
  transition: border-color .18s ease, box-shadow .18s ease, background-color .18s ease;
}

.page-news .news-tab__idx {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-news .news-tab__name {
  font-weight: 600;
}

.page-news .news-tab__count {
  font-size: 11px;
  color: var(--fg);
  opacity: .5;
}

.page-news .news-tab:hover {
  border-color: var(--line-strong);
}

.page-news .news-tab[aria-selected="true"] {
  border-color: var(--orange);
  box-shadow: inset 3px 0 0 var(--orange);
}

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

.page-news .news-tagcloud {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 20px;
}

.page-news .news-tag {
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--fg);
  opacity: .66;
  border: 1px solid var(--line);
  border-radius: var(--r);
}

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

.page-news .tabs__panel + .tabs__panel {
  margin-top: clamp(28px, 4vw, 48px);
}

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

.page-news .news-item {
  border-top: 1px solid var(--line);
}

.page-news .news-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .news-item__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  padding: var(--news-item-pad) 0;
  transition: background-color .2s ease;
}

.page-news .news-item__inner:hover {
  background: rgba(138, 151, 166, .07);
}

.page-news .news-item__media {
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-soft);
}

.page-news .news-item__media img {
  aspect-ratio: 4 / 3;
}

.page-news .news-item__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--fg);
  opacity: .58;
}

.page-news .news-item__no {
  font-weight: 700;
}

.page-news .news-item__title {
  margin: 0 0 10px;
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 800;
  line-height: 1.38;
  letter-spacing: -.005em;
}

.page-news .news-item__desc {
  max-width: 60ch;
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--fg);
  opacity: .72;
}

.page-news .news-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
}

.page-news .news-item__tags .chip {
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--fg);
  opacity: .68;
  border: 1px solid var(--line);
  border-radius: var(--r);
}

/* ---- 长期专题 ---- */
.page-news .news-series {
  padding-top: var(--news-pad-y);
  padding-bottom: var(--news-pad-y);
}

.page-news .news-series__head {
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-news .news-series__head .lead {
  max-width: 58ch;
  margin-top: 12px;
}

.page-news .news-series__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
  padding: clamp(20px, 2.6vw, 30px);
  background: transparent;
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  border-radius: var(--r);
}

.page-news .news-series__card .card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--fg);
  opacity: .55;
}

.page-news .news-series__card .card__num {
  margin: 4px 0 0;
  font-size: clamp(38px, 5vw, 60px);
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-news .news-series__card .card__title {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 800;
  line-height: 1.3;
}

.page-news .news-series__desc {
  margin: 0 0 auto;
  padding-bottom: 20px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--fg);
  opacity: .74;
}

/* ---- 订阅与联系 ---- */
.page-news .news-subscribe {
  padding-top: clamp(40px, 5.5vw, 84px);
  padding-bottom: clamp(40px, 5.5vw, 84px);
}

.page-news .news-subscribe__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}

.page-news .news-subscribe__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fg);
  opacity: .6;
}

.page-news .news-subscribe__panel {
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--orange);
  border-radius: var(--r);
}

.page-news .news-subscribe__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--fg);
  opacity: .55;
}

.page-news .news-subscribe__mail {
  margin: 0 0 20px;
  font-size: clamp(15px, 2vw, 21px);
  font-weight: 700;
  letter-spacing: .01em;
  word-break: break-all;
}

.page-news .news-subscribe__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .copy-state {
  min-height: 1.3em;
  margin: 12px 0 0;
  font-size: 13px;
}

/* ---- 桌面端 ---- */
@media (min-width: 720px) {
  .page-news .news-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-item--feature .news-item__inner {
    grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
    gap: clamp(18px, 2.6vw, 34px);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.62fr) minmax(220px, .62fr);
  }

  .page-news .news-lead__card {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-news .news-browser {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
    gap: clamp(28px, 3.2vw, 52px);
  }

  .page-news .news-browser__rail {
    position: sticky;
    top: calc(var(--head-h) + 22px);
  }

  .page-news .news-tablist {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .news-tab {
    width: 100%;
    padding: 13px 10px 13px 0;
    border: 0;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    box-shadow: inset 2px 0 0 transparent;
  }

  .page-news .news-tab:first-child {
    border-top: 1px solid var(--line);
  }

  .page-news .news-tab[aria-selected="true"] {
    border-color: var(--line-strong);
    box-shadow: inset 2px 0 0 var(--orange);
  }

  .page-news .news-tab__count {
    margin-left: auto;
  }

  .page-news .news-subscribe__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-tab,
  .page-news .news-item__inner {
    transition: none;
  }
}
</main>