.page-news {
  --news-observe: var(--warn);
  --news-index: var(--teal);
  --news-release: var(--red);
  --news-howto: var(--stone);
  --news-rail: 210px;
  --news-muted: rgba(237, 233, 223, .74);
  --news-faint: rgba(237, 233, 223, .5);
  background: var(--venue);
  color: var(--ivory);
}

/* ---------- 页头 ---------- */

.page-news .notes-hero {
  position: relative;
  padding: calc(var(--bar-h) + 52px) 0 0;
  background:
    linear-gradient(112deg, var(--moss) 0 47%, transparent 47.2%),
    linear-gradient(292deg, rgba(47, 138, 114, .13) 0 42%, transparent 42.3%),
    var(--venue);
}

.page-news .notes-hero .container {
  position: relative;
  z-index: 1;
}

.page-news .notes-hero h1 {
  margin: 14px 0 0;
  font-family: var(--sans);
  font-stretch: condensed;
  font-weight: 700;
  font-size: clamp(38px, 8vw, 64px);
  line-height: 1.05;
  letter-spacing: -.02em;
}

.page-news .notes-hero__lede {
  max-width: 44em;
  margin: 18px 0 0;
  font-size: 17px;
  line-height: 1.8;
  color: var(--news-muted);
}

.page-news .notes-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-news .beat-bar {
  display: grid;
  grid-template-columns: 1fr;
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-news .beat-bar__item {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  grid-template-areas:
    "tick name"
    "tick desc";
  align-items: center;
  gap: 3px 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .beat-bar__tick {
  grid-area: tick;
  position: relative;
  align-self: stretch;
}

.page-news .beat-bar__tick::after {
  content: "";
  position: absolute;
  left: 3px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

.page-news .beat-bar__tick::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 50%;
  width: 12px;
  height: 2px;
  background: var(--warn);
  transform: translateY(-50%);
}

.page-news .beat-bar__name {
  grid-area: name;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--ivory);
}

.page-news .beat-bar__desc {
  grid-area: desc;
  font-size: 14px;
  line-height: 1.6;
  color: var(--news-faint);
}

.page-news .notes-hero__band {
  margin-top: 46px;
  border-top: 1px solid var(--line);
  line-height: 0;
}

.page-news .notes-hero__band img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 340px;
  object-fit: cover;
}

/* ---------- 主体两栏 ---------- */

.page-news .notes-log {
  padding-top: 60px;
}

.page-news .notes-layout {
  display: grid;
  gap: 36px;
}

/* ---------- 左侧分类 ---------- */

.page-news .cat-rail__head {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--stone);
}

.page-news .cat-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
}

.page-news .cat-rail__link {
  display: grid;
  grid-template-columns: auto auto auto;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-left: 3px solid var(--news-howto);
  background: rgba(18, 58, 49, .6);
  color: var(--stone);
  text-decoration: none;
  white-space: nowrap;
  transition: transform .24s var(--ease), background-color .24s var(--ease), border-color .24s var(--ease);
}

.page-news .cat-rail__link--observe { border-left-color: var(--news-observe); }
.page-news .cat-rail__link--index { border-left-color: var(--news-index); }
.page-news .cat-rail__link--release { border-left-color: var(--news-release); }
.page-news .cat-rail__link--howto { border-left-color: var(--news-howto); }

.page-news .cat-rail__num,
.page-news .cat-rail__count {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--stone);
}

.page-news .cat-rail__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--ivory);
}

.page-news .cat-rail__link:hover,
.page-news .cat-rail__link:focus-visible {
  transform: translateX(4px);
  background: rgba(18, 58, 49, .95);
}

.page-news .cat-rail__link[aria-current="true"] {
  background: rgba(47, 138, 114, .16);
  border-left-color: var(--teal);
}

/* ---------- 笔记流水 ---------- */

.page-news .notes-flow {
  min-width: 0;
  overflow-x: clip;
}

.page-news .notes-flow__head {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.page-news .notes-flow__head h2 {
  margin: 0;
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-news .notes-flow__hint {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--news-faint);
}

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

.page-news .note {
  position: relative;
  padding: 26px 0 26px 18px;
  border-bottom: 1px solid var(--line-soft);
  transition: background-color .24s var(--ease), transform .24s var(--ease);
}

.page-news .note::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--news-howto);
  opacity: .8;
}

.page-news .note--observe::before { background: var(--news-observe); }
.page-news .note--index::before { background: var(--news-index); }
.page-news .note--release::before { background: var(--news-release); }

.page-news .note:nth-child(n+4) {
  padding-top: 34px;
  padding-bottom: 34px;
}

.page-news .note:nth-child(n+7) {
  padding-top: 42px;
  padding-bottom: 42px;
}

.page-news .note:hover,
.page-news .note:focus-within {
  background: rgba(18, 58, 49, .55);
  transform: translateX(4px);
}

.page-news .note__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-news .note__no {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--stone);
  transition: color .24s var(--ease);
}

.page-news .note:hover .note__no {
  color: var(--teal);
}

.page-news .note__meta .stamp {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--news-faint);
}

.page-news .note__body {
  margin-top: 12px;
}

.page-news .note__title {
  margin: 0;
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -.01em;
  color: var(--ivory);
}

.page-news .note__sum {
  margin: 10px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--news-muted);
  max-height: 3.56em;
  overflow: hidden;
  transition: max-height .32s var(--ease);
}

.page-news .note:hover .note__sum,
.page-news .note:focus-within .note__sum {
  max-height: 16em;
}

.page-news .note__figure,
.page-news .cadence-figure {
  margin: 16px 0 0;
  padding-top: 0;
  aspect-ratio: auto;
  height: auto;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--moss);
}

.page-news .note__figure img,
.page-news .cadence-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .note__figure .media__cap {
  display: block;
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--news-faint);
  border-top: 1px solid var(--line-soft);
}

.page-news .notes-flow__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.page-news .notes-flow__foot p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--news-faint);
}

/* ---------- 编辑推荐 ---------- */

.page-news .pick-list {
  display: grid;
  gap: 1px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .pick {
  padding: 24px 22px 28px;
  background: var(--venue);
}

.page-news .pick__no {
  display: block;
  font-family: var(--mono);
  font-size: 28px;
  letter-spacing: -.01em;
  color: var(--warn);
}

.page-news .pick__title {
  margin: 14px 0 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
}

.page-news .pick__title a {
  color: var(--ivory);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .24s var(--ease), border-color .24s var(--ease);
}

.page-news .pick__title a:hover,
.page-news .pick__title a:focus-visible {
  color: var(--teal);
  border-bottom-color: var(--teal);
}

.page-news .pick__why {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--news-muted);
}

.page-news .pick__why a {
  color: var(--teal);
}

/* ---------- 更新节奏与归档 ---------- */

.page-news .cadence-layout {
  display: grid;
  gap: 36px;
}

.page-news .cadence-copy p {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--news-muted);
}

.page-news .cadence-copy a {
  color: var(--teal);
}

.page-news .cadence-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-news .cadence-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15px;
  line-height: 1.72;
  color: var(--ivory);
}

.page-news .cadence-list__mark {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--warn);
}

.page-news .cadence-figure {
  margin: 0;
}

.page-news .cadence-figure .media__cap {
  display: block;
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--stone);
  border-top: 1px solid var(--line-soft);
}

/* ---------- 反馈入口 ---------- */

.page-news .ask-layout {
  display: grid;
  gap: 28px;
}

.page-news .ask-copy .lede {
  margin: 14px 0 0;
  line-height: 1.8;
  color: var(--news-muted);
}

.page-news .ask-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */

@media (min-width: 800px) {
  .page-news .beat-bar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .beat-bar__item {
    border-bottom: 0;
    border-left: 1px solid var(--line-soft);
    padding: 16px 22px;
  }

  .page-news .beat-bar__item:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .page-news .pick-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .note--has-media .note__body {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 32px;
    align-items: start;
  }

  .page-news .note--has-media .note__figure {
    margin-top: 4px;
  }
}

@media (min-width: 980px) {
  .page-news .cadence-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
    gap: 56px;
    align-items: center;
  }
}

@media (min-width: 1080px) {
  .page-news .notes-layout {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-news .cat-rail {
    position: sticky;
    top: calc(var(--bar-h) + 28px);
  }

  .page-news .cat-rail__list {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .cat-rail__link {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }
}

@media (min-width: 1160px) {
  .page-news .ask-layout {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .note,
  .page-news .cat-rail__link,
  .page-news .note__sum,
  .page-news .pick__title a {
    transition: none;
  }

  .page-news .note:hover,
  .page-news .note:focus-within,
  .page-news .cat-rail__link:hover,
  .page-news .cat-rail__link:focus-visible {
    transform: none;
  }
}