.page-news {
  --pn-rail: 92px;
  --pn-amber-soft: #FFF7E8;
  --pn-amber-line: rgba(242, 169, 59, .48);
  --pn-blue-soft: #EEF3FF;
  --pn-slate-soft: #F2F5FA;
  padding-bottom: 96px;
}

/* ---------- 页头 ---------- */
.page-news .breadcrumb {
  margin-bottom: 26px;
}

.page-news__masthead {
  display: grid;
  gap: 18px;
  padding: 20px 0 40px;
  border-bottom: 1px solid var(--line);
}

.page-news__masthead h1 {
  margin: 0;
  max-width: 20ch;
  font-family: var(--f-head);
  font-size: clamp(1.85rem, 4.4vw, 2.9rem);
  line-height: 1.14;
  letter-spacing: .02em;
  color: var(--c-ink);
}

.page-news__lede {
  margin: 0;
  max-width: 48ch;
  font-size: 1.04rem;
  line-height: 1.78;
  color: var(--c-soft);
}

.page-news__brief {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  font-size: .85rem;
  color: var(--c-gray);
}

.page-news__brief li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}

.page-news__brief .mono {
  font-size: .95rem;
  font-weight: 700;
  color: var(--c-signal);
}

/* ---------- 首屏视觉 ---------- */
.page-news__hero {
  margin: 32px 0 0;
}

.page-news__hero-media {
  position: relative;
  aspect-ratio: 16 / 7;
  overflow: hidden;
  border-radius: var(--cut);
  border: 1px solid var(--line);
  background: var(--c-slate-soft, #F2F5FA);
}

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

/* ---------- 区块标题 ---------- */
.page-news__head {
  display: grid;
  gap: 10px;
  margin-bottom: 24px;
}

.page-news__head .section-title {
  margin: 0;
  color: var(--c-ink);
}

.page-news__head p {
  margin: 0;
  max-width: 54ch;
  font-size: .93rem;
  line-height: 1.72;
  color: var(--c-gray);
}

/* ---------- 筛选 ---------- */
.page-news__feed {
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}

.page-news__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}

.page-news__filter {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--c-white);
  color: var(--c-graphite);
  font-family: var(--f-body);
  font-size: .85rem;
  cursor: pointer;
  transition: border-color var(--t-fast), background var(--t-fast), color var(--t-fast);
}

.page-news__filter:hover {
  border-color: var(--c-signal);
  color: var(--c-signal);
}

.page-news__filter[aria-pressed="true"] {
  border-color: var(--c-signal);
  background: var(--c-signal);
  color: #fff;
}

.page-news__filter-n {
  font-size: .72rem;
  letter-spacing: .04em;
  opacity: .72;
}

/* ---------- 时间线 ---------- */
.page-news__timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
}

.page-news__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.page-news__row:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-news__stamp {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-left: 18px;
  font-family: var(--f-mono);
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--c-gray);
}

.page-news__stamp::before {
  content: "";
  position: absolute;
  left: 0;
  top: .45em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-silver);
  transition: background var(--t-fast), box-shadow var(--t-fast);
}

.page-news__row:hover .page-news__stamp::before {
  background: var(--c-signal);
  box-shadow: 0 0 0 4px rgba(10, 92, 255, .14);
}

.page-news__stamp-date {
  font-weight: 700;
  color: var(--c-ink);
}

.page-news__stamp-count {
  color: var(--c-gray);
}

.page-news__cardwrap {
  min-width: 0;
}

.page-news__card {
  padding: 22px 20px;
}

.page-news__card-top {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 10px;
}

.page-news__card-date {
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--c-gray);
}

.page-news__card h3 {
  margin: 0 0 8px;
  font-family: var(--f-head);
  font-size: 1.12rem;
  line-height: 1.38;
  letter-spacing: .01em;
  color: var(--c-graphite);
}

.page-news__card > p {
  margin: 0 0 12px;
  font-size: .89rem;
  line-height: 1.75;
  color: var(--c-body);
}

.page-news__more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 4px 0;
  border: 0;
  background: none;
  font-family: var(--f-body);
  font-size: .84rem;
  font-weight: 600;
  color: var(--c-signal);
  cursor: pointer;
  transition: color var(--t-fast);
}

.page-news__more:hover {
  color: var(--c-ink);
}

.page-news__card .accordion__chev {
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translate(-1px, -1px);
  transition: transform var(--t-base);
}

.page-news__card .accordion__trigger[aria-expanded="true"] .accordion__chev {
  transform: rotate(-135deg) translate(-1px, -1px);
}

.page-news__panel {
  margin-top: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: .87rem;
  line-height: 1.78;
  color: var(--c-soft);
}

.page-news__panel p {
  margin: 0 0 12px;
}

.page-news__panel dl {
  margin: 0;
  display: grid;
  gap: 6px;
}

.page-news__panel dt {
  font-family: var(--f-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--c-gray);
}

.page-news__panel dd {
  margin: 0 0 8px;
  font-size: .85rem;
  color: var(--c-body);
}

/* ---------- 周报 ---------- */
.page-news__weekly {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}

.page-news__weekly-body {
  display: grid;
  gap: 24px;
}

.page-news__weeks {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-news__week {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--cut);
  transition: border-color var(--t-fast);
}

.page-news__week:hover {
  border-color: var(--c-signal);
}

.page-news__week--a {
  background: var(--pn-blue-soft);
}

.page-news__week--b {
  background: var(--c-white);
}

.page-news__week--c {
  background: var(--pn-slate-soft);
}

.page-news__week-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-news__week-label {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--c-ink);
}

.page-news__week h3 {
  margin: 0;
  font-family: var(--f-head);
  font-size: 1rem;
  line-height: 1.42;
  color: var(--c-graphite);
}

.page-news__week ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-news__week li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
  font-size: .84rem;
  line-height: 1.62;
  color: var(--c-body);
}

.page-news__week li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-news__week li .mono {
  padding-top: .12em;
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--c-signal);
}

.page-news__weekly-aside {
  max-width: 340px;
}

.page-news__wave {
  aspect-ratio: 5 / 6;
  overflow: hidden;
  border-radius: var(--cut);
  border: 1px solid var(--line);
  background: var(--pn-slate-soft);
}

.page-news__wave img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- 回访资讯 ---------- */
.page-news__revisit {
  margin-top: 60px;
  padding: 30px 22px;
  border: 1px solid var(--pn-amber-line);
  border-radius: var(--cut);
  background: var(--pn-amber-soft);
}

.page-news__revisit-inner {
  display: grid;
  gap: 26px;
}

.page-news__revisit-text {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-news__revisit-text > .badge {
  justify-self: start;
}

.page-news__revisit-text .section-title {
  margin: 0;
  color: var(--c-ink);
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  line-height: 1.3;
}

.page-news__revisit-text > p {
  margin: 0;
  max-width: 46ch;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--c-body);
}

.page-news__revisit-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-news__revisit-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  font-size: .89rem;
  line-height: 1.7;
  color: var(--c-soft);
}

.page-news__revisit-list .mono {
  padding-top: .18em;
  font-size: .72rem;
  letter-spacing: .08em;
  color: #A8730F;
}

.page-news__revisit-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 2px;
}

.page-news__revisit-figure {
  margin: 0;
}

.page-news__revisit-media {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: var(--cut);
  border: 1px solid var(--pn-amber-line);
  background: var(--c-white);
}

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

/* ---------- 分类说明 ---------- */
.page-news__legend {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}

.page-news__tags {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0;
}

.page-news__tags > div {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--cut);
  background: var(--c-white);
  transition: border-color var(--t-fast);
}

.page-news__tags > div:hover {
  border-color: var(--c-signal);
}

.page-news__tags dt {
  margin: 0;
}

.page-news__tags dd {
  margin: 0;
  font-size: .86rem;
  line-height: 1.72;
  color: var(--c-body);
}

/* ---------- 更新节奏 ---------- */
.page-news__cadence {
  position: relative;
  display: grid;
  gap: 0;
  margin-top: 60px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--cut);
  background: var(--pn-slate-soft);
}

.page-news__cadence-body {
  display: grid;
  gap: 14px;
  padding: 28px 22px;
}

.page-news__cadence-body .section-title {
  margin: 0;
  color: var(--c-ink);
}

.page-news__cadence-body > p {
  margin: 0;
  max-width: 46ch;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--c-body);
}

.page-news__cadence-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.page-news__cadence-media {
  position: relative;
  min-height: 160px;
  overflow: hidden;
  background: var(--c-mist);
}

.page-news__cadence-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: .5;
}

/* ---------- 页脚说明 ---------- */
.page-news__footnote {
  margin: 40px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: .82rem;
  line-height: 1.75;
  color: var(--c-gray);
}

.page-news__footnote a {
  color: var(--c-signal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news__revisit {
    padding: 34px 30px;
  }

  .page-news__card {
    padding: 24px 24px;
  }

  .page-news__tags {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news__weeks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-news__row {
    grid-template-columns: var(--pn-rail) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
    padding: 26px 0;
  }

  .page-news__stamp {
    flex-direction: column;
    gap: 6px;
    padding-left: 18px;
  }

  .page-news__revisit {
    padding: 40px 38px;
  }

  .page-news__revisit-inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 36px;
    align-items: center;
  }

  .page-news__weekly-body {
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 30px;
    align-items: start;
  }

  .page-news__weekly-aside {
    max-width: none;
  }

  .page-news__cadence {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-news__cadence-body {
    padding: 38px 34px;
  }

  .page-news__cadence-media {
    min-height: 100%;
  }
}

@media (min-width: 1024px) {
  .page-news__weeks {
    grid-template-columns: 1.15fr 1fr .88fr;
  }

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

  .page-news__weekly-body {
    grid-template-columns: minmax(0, 1fr) 260px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news__filter,
  .page-news__week,
  .page-news__tags > div,
  .page-news__more,
  .page-news__card .accordion__chev,
  .page-news__stamp::before {
    transition: none;
  }
}

.page-news {
  --c-slate-soft: transparent;
}