.page-news {
  --pn-rail: 190px;
  --pn-line: rgba(30, 78, 107, 0.55);
  --pn-accent: var(--grid);
  padding-bottom: 72px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-top: 26px;
}

.page-news .news-hero .eyebrow {
  margin: 0 0 14px;
}

.page-news .news-hero .h-display {
  margin: 0 0 18px;
  max-width: 19em;
  font-size: clamp(28px, 6.6vw, 56px);
  line-height: 1.16;
  letter-spacing: 0.06em;
}

.page-news .news-hero .lede {
  margin: 0 0 22px;
  max-width: 38em;
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding-top: 16px;
  border-top: 1px solid var(--pn-line);
}

.page-news .news-hero__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}

.page-news .news-hero__media {
  margin: 30px 0 0;
}

.page-news .news-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1600 / 600;
  object-fit: cover;
}

.page-news .media-frame {
  overflow: hidden;
}

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

/* ---------- 区块标题 ---------- */
.page-news .news-sec-head {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0 0 26px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--pn-line);
}

.page-news .news-sec-head .h-serif {
  margin: 0;
}

.page-news .news-sec-head__note {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

/* ---------- 本期推荐 ---------- */
.page-news .picks {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-news .picks__card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px 20px 16px 22px;
  background: var(--panel);
  border: 1px solid var(--pn-line);
  border-radius: var(--radius);
  transition: border-color var(--t-base), background-color var(--t-base), transform var(--t-base);
}

.page-news .picks__card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--pn-accent);
}

.page-news .picks__card--a { --pn-accent: var(--cyan); }
.page-news .picks__card--b { --pn-accent: var(--amber); }
.page-news .picks__card--c { --pn-accent: var(--signal); }

.page-news .picks__card:hover,
.page-news .picks__card:focus-within {
  border-color: var(--signal);
  background: var(--deep);
  transform: translateY(-2px);
}

.page-news .picks__card .tag {
  align-self: flex-start;
}

.page-news .picks__title {
  margin: 0;
  font-family: var(--f-serif);
  font-size: clamp(18px, 2.4vw, 22px);
  line-height: 1.42;
  color: var(--text);
}

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

.page-news .picks__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--pn-line);
  font-size: 12px;
}

.page-news .picks__foot .mono {
  color: var(--muted);
}

.page-news .picks__link {
  color: var(--signal);
  text-decoration: none;
  padding-bottom: 1px;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast), color var(--t-fast);
}

.page-news .picks__link:hover,
.page-news .picks__link:focus-visible {
  border-color: var(--signal);
}

/* ---------- 速览双栏 ---------- */
.page-news .feed-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-news .feed-rail__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-news .feed-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .feed-rail__link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 42px;
  padding: 9px 12px;
  border: 1px solid var(--pn-line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
  font-size: 14px;
  text-decoration: none;
  transition: background-color var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}

.page-news .feed-rail__link:hover,
.page-news .feed-rail__link:focus-visible {
  background: var(--deep);
  border-color: var(--signal);
}

.page-news .feed-rail__link--log { box-shadow: inset 3px 0 0 var(--signal); }
.page-news .feed-rail__link--lines { box-shadow: inset 3px 0 0 var(--amber); }
.page-news .feed-rail__link--guides { box-shadow: inset 3px 0 0 var(--cyan); }
.page-news .feed-rail__link--tips { box-shadow: inset 3px 0 0 var(--grid); }

.page-news .feed-rail__idx {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--muted);
}

/* ---------- 分组 ---------- */
.page-news .feed-group {
  --pn-accent: var(--grid);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-news .feed-group--log { --pn-accent: var(--signal); }
.page-news .feed-group--lines { --pn-accent: var(--amber); }
.page-news .feed-group--guides { --pn-accent: var(--cyan); }
.page-news .feed-group--tips { --pn-accent: var(--grid); }

.page-news .feed-group + .feed-group {
  margin-top: 46px;
  padding-top: 34px;
  border-top: 1px solid var(--pn-line);
}

.page-news .feed-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  margin-bottom: 18px;
  padding-left: 14px;
  border-left: 3px solid var(--pn-accent);
}

.page-news .feed-group__title {
  margin: 0;
  font-family: var(--f-display);
  font-size: 19px;
  letter-spacing: 0.1em;
  color: var(--text);
}

.page-news .feed-group__note {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

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

.page-news .feed-group__media img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 条目 ---------- */
.page-news .feed-item {
  position: relative;
  padding: 16px 14px 16px 20px;
  border-bottom: 1px solid var(--pn-line);
  transition: background-color var(--t-base);
}

.page-news .feed-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 2px;
  background: var(--pn-accent);
}

.page-news .feed-item:hover,
.page-news .feed-item:focus-within {
  background: var(--hull);
}

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

.page-news .feed-item__ver {
  padding: 2px 8px;
  border: 1px solid var(--pn-line);
  border-radius: var(--radius);
  background: var(--deep);
  color: var(--mist);
  font-size: 13px;
}

.page-news .feed-item__time {
  font-size: 12px;
  color: var(--muted);
}

.page-news .feed-item__title {
  margin: 0 0 8px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
}

.page-news .feed-item__text {
  margin: 0;
  max-width: 44em;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .feed-item__read {
  display: inline-block;
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
  opacity: 0.55;
  transition: opacity var(--t-base), color var(--t-base);
}

.page-news .feed-item:hover .feed-item__read,
.page-news .feed-item:focus-within .feed-item__read {
  opacity: 1;
  color: var(--cyan);
}

/* ---------- 展开记录 ---------- */
.page-news .feed-more {
  margin-top: 12px;
}

.page-news .feed-more > summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-size: 13px;
  color: var(--signal);
  list-style: none;
  cursor: pointer;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast);
}

.page-news .feed-more > summary::-webkit-details-marker {
  display: none;
}

.page-news .feed-more > summary::before {
  content: "+";
  font-family: var(--f-mono);
  font-size: 14px;
  line-height: 1;
}

.page-news .feed-more[open] > summary::before {
  content: "–";
}

.page-news .feed-more > summary:hover,
.page-news .feed-more > summary:focus-visible {
  border-color: var(--signal);
}

.page-news .feed-more__list {
  list-style: none;
  margin: 10px 0 0;
  padding: 12px 14px;
  display: grid;
  gap: 8px;
  background: var(--deep);
  border-radius: var(--radius);
}

.page-news .feed-more__list li {
  display: flex;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text);
}

.page-news .feed-more__key {
  flex: 0 0 46px;
  font-size: 12px;
  color: var(--cyan);
}

/* ---------- 索引状态 ---------- */
.page-news .index-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-news .index-log {
  list-style: none;
  margin: 0;
  padding: 0 0 0 24px;
  border-left: 1px solid var(--pn-line);
}

.page-news .index-log__item {
  position: relative;
  padding-bottom: 24px;
}

.page-news .index-log__item:last-child {
  padding-bottom: 0;
}

.page-news .index-log__item::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px var(--abyss);
}

.page-news .index-log__when {
  display: block;
  margin-bottom: 4px;
  font-size: 12px;
  color: var(--muted);
}

.page-news .index-log__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text);
}

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

.page-news .index-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

/* ---------- 订阅与联系 ---------- */
.page-news .subscribe {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  padding: 26px 22px;
  background: var(--hull);
  border: 1px solid var(--pn-line);
  border-radius: var(--radius);
}

.page-news .subscribe__main .h-serif {
  margin: 0 0 14px;
}

.page-news .subscribe__main p {
  margin: 0 0 12px;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .subscribe__main p:last-child {
  margin-bottom: 0;
}

.page-news .subscribe__side {
  padding: 18px;
  background: var(--deep);
  border-left: 3px solid var(--signal);
  border-radius: var(--radius);
}

.page-news .subscribe__key {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-news .subscribe__mail {
  margin: 0 0 14px;
  font-size: 14px;
  color: var(--mist);
  word-break: break-all;
}

/* ---------- 回到顶部 ---------- */
.page-news .back-top {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 20;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--mist);
  background: var(--hull);
  border: 1px solid var(--pn-line);
  border-radius: var(--radius);
  text-decoration: none;
  transition: background-color var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}

.page-news .back-top:hover,
.page-news .back-top:focus-visible {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--ink);
}

/* ---------- 宽屏 ---------- */
@media (min-width: 760px) {
  .page-news .news-sec-head {
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
    gap: 24px;
  }
}

@media (min-width: 880px) {
  .page-news .picks {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: stretch;
    gap: 22px;
  }

  .page-news .picks__card--a { grid-column: span 5; }
  .page-news .picks__card--b { grid-column: span 4; }
  .page-news .picks__card--c {
    grid-column: span 3;
    margin-top: 18px;
  }

  .page-news .index-grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 44px;
    align-items: start;
  }

  .page-news .subscribe {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 44px;
    padding: 34px 32px;
  }
}

@media (min-width: 900px) {
  .page-news .feed-layout {
    grid-template-columns: var(--pn-rail) minmax(0, 1fr);
    gap: 40px;
  }

  .page-news .feed-rail {
    position: sticky;
    top: calc(var(--header-h) + 16px);
    align-self: start;
  }

  .page-news .feed-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-news .feed-rail__link {
    width: 100%;
  }

  .page-news .feed-group__media {
    max-width: 620px;
  }
}

@media (min-width: 1120px) {
  .page-news .news-hero {
    padding-top: 34px;
  }

  .page-news .feed-layout {
    gap: 56px;
  }
}