.page-news {
  --pn-rail: 168px;
  --pn-rule-dark: #2C3466;
  --pn-paper-text: #141A3E;
  --pn-paper-soft: #4A4A6B;
  --pn-paper-rule: #D6C9B2;
  --pn-paper-accent: #0A5A60;
  display: block;
  color: var(--ivory);
  padding-block: clamp(16px, 2.6vw, 30px) clamp(48px, 7vw, 96px);
}

/* ---------- 面包屑 ---------- */
.page-news .page-news__crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--muted);
}
.page-news .page-news__crumbs .og-crumbs__link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 200ms var(--ease);
}
.page-news .page-news__crumbs .og-crumbs__link:hover {
  border-bottom-color: currentColor;
}
.page-news .page-news__crumbs .og-crumbs__current {
  color: var(--muted);
}

/* ---------- 刊头 ---------- */
.page-news__masthead {
  display: grid;
  gap: clamp(18px, 2.6vw, 34px);
  margin-top: clamp(20px, 3vw, 40px);
  padding-bottom: clamp(26px, 3.6vw, 48px);
  border-bottom: 1px solid var(--pn-rule-dark);
  position: relative;
}
.page-news__masthead::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 88px;
  height: 2px;
  background: var(--amber);
}
.page-news__kicker {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.34em;
  color: var(--muted);
  margin: 0 0 12px;
}
.page-news__title {
  margin: 0;
  font-size: var(--fs-56);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: 0.02em;
  color: var(--ivory);
}
.page-news__subtitle {
  margin: 12px 0 0;
  font-size: var(--fs-20);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--amber);
}
.page-news__lede {
  margin: 0;
  max-width: 34em;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--ivory);
}
.page-news__lede--soft {
  margin-top: 14px;
  font-size: var(--fs-14);
  color: var(--muted);
}

@media (min-width: 900px) {
  .page-news__masthead {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: end;
  }
}

/* ---------- 章节 ---------- */
.page-news__section {
  margin-top: clamp(44px, 6vw, 84px);
}
.page-news .og-section__num {
  color: var(--amber);
}
.page-news .og-section__title {
  color: var(--ivory);
}
.page-news .og-section__lede {
  color: var(--muted);
}

/* ---------- 01 本期要目 ---------- */
.page-news .page-news__cover {
  margin: clamp(20px, 3vw, 36px) 0 0;
  border: 1px solid var(--pn-rule-dark);
  background: linear-gradient(140deg, #141A3E 0%, #0A0F2C 60%, #101838 100%);
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.page-news .page-news__cover img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.92;
}
.page-news .page-news__cover .og-media__cap {
  color: var(--muted);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  padding: 8px 14px;
}

.page-news__leads {
  list-style: none;
  margin: clamp(24px, 3.4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pn-rule-dark);
}
.page-news__lead {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 18px;
  padding: clamp(20px, 2.6vw, 30px) 0;
  border-bottom: 1px solid var(--pn-rule-dark);
  position: relative;
  transition: transform 260ms var(--ease);
}
.page-news__lead::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 340ms var(--ease);
}
.page-news__lead:hover {
  transform: translateX(6px);
}
.page-news__lead:hover::after {
  transform: scaleX(1);
}
.page-news__leadnum {
  font-size: clamp(34px, 5.6vw, 56px);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--amber);
  opacity: 0.9;
}
.page-news__leadbody {
  min-width: 0;
}
.page-news__leadtitle {
  margin: 0;
  font-size: var(--fs-20);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--ivory);
}
.page-news__leadtext {
  margin: 10px 0 0;
  max-width: 34em;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--muted);
}
.page-news__leadmeta {
  margin: 14px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.page-news .page-news__time {
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--muted);
}

@media (min-width: 760px) {
  .page-news__lead {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 0 26px;
    align-items: start;
  }
}

/* ---------- 02 四个专题系列 ---------- */
.page-news__serieswrap {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  margin-top: clamp(22px, 3vw, 38px);
}
.page-news .page-news__seriesfig {
  margin: 0;
  border: 1px solid var(--pn-rule-dark);
  background: linear-gradient(160deg, #141A3E 0%, #0A0F2C 100%);
  overflow: hidden;
  aspect-ratio: 1 / 1;
}
.page-news .page-news__seriesfig img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-news .page-news__seriesfig .og-media__cap {
  color: var(--muted);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  padding: 8px 12px;
}

.page-news__serieslist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-news__seriescard {
  position: relative;
  overflow: hidden;
  padding: 18px 18px 18px 22px;
  background: var(--ink-2);
  border: 1px solid var(--pn-rule-dark);
  display: grid;
  gap: 8px;
  transition: border-color 240ms var(--ease), transform 240ms var(--ease);
}
.page-news__seriescard::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--sc, var(--cyan));
}
.page-news__seriescard:hover {
  transform: translateY(-3px);
  border-color: var(--sc, var(--cyan));
}
.page-news__seriescard--nav { --sc: #45E0E6; }
.page-news__seriescard--cat { --sc: #F3B14A; }
.page-news__seriescard--doc { --sc: #A6ACC9; }
.page-news__seriescard--visit { --sc: #FF6B6B; }

.page-news__seriesmeta {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--sc, var(--cyan));
}
.page-news__seriesdot {
  color: var(--haze);
}
.page-news__seriestitle {
  margin: 0;
  font-size: var(--fs-20);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--ivory);
}
.page-news__seriesdesc {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--muted);
}
.page-news__serieslatest {
  margin: 4px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--pn-rule-dark);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--muted);
}

@media (min-width: 720px) {
  .page-news__serieslist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 1000px) {
  .page-news__serieswrap {
    grid-template-columns: minmax(200px, 0.3fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-news__seriesfig {
    position: sticky;
    top: 112px;
  }
}

/* ---------- 03 全部条目（暖纸区） ---------- */
.page-news .page-news__paper {
  background: var(--paper);
  border: 1px solid var(--paper-2);
  padding: clamp(24px, 3.6vw, 52px) clamp(16px, 3vw, 44px);
  color: var(--pn-paper-text);
}
.page-news .page-news__paper .og-section__num {
  color: #8A5A05;
}
.page-news .page-news__paper .og-section__title {
  color: var(--pn-paper-text);
}
.page-news .page-news__paper .og-section__lede {
  color: var(--pn-paper-soft);
}

.page-news__browse {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-news__railhead {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.28em;
  color: var(--pn-paper-soft);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--pn-paper-rule);
}
.page-news .page-news__filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-news .page-news__paper .og-filter__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  font-family: var(--font-sans);
  font-size: var(--fs-14);
  color: var(--pn-paper-text);
  background: transparent;
  border: 1px solid var(--pn-paper-rule);
  cursor: pointer;
  transition: background 200ms var(--ease), border-color 200ms var(--ease), color 200ms var(--ease);
}
.page-news .page-news__paper .og-filter__btn:hover {
  border-color: var(--pn-paper-accent);
  color: var(--pn-paper-accent);
}
.page-news .page-news__paper .og-filter__btn[aria-pressed="true"] {
  background: var(--pn-paper-accent);
  border-color: var(--pn-paper-accent);
  color: var(--paper);
}
.page-news__chipn {
  font-size: var(--fs-12);
  opacity: 0.72;
}

.page-news__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pn-paper-rule);
}

.page-news__item {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 4px 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--pn-paper-rule);
  transition: transform 260ms var(--ease);
}
.page-news__item::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: var(--pn-paper-accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 320ms var(--ease);
}
.page-news__item:hover,
.page-news__item:focus-within {
  transform: translateX(6px);
}
.page-news__item:hover::after,
.page-news__item:focus-within::after {
  transform: scaleX(1);
}
.page-news__idx {
  flex: 0 0 34px;
  padding-top: 3px;
  font-size: var(--fs-14);
  letter-spacing: 0.02em;
  color: var(--pn-paper-accent);
  opacity: 0.8;
}
.page-news__col {
  flex: 1 1 240px;
  min-width: 0;
}
.page-news__meta {
  margin: 0 0 8px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.page-news .page-news__paper .og-tag {
  background: rgba(10, 90, 96, 0.09);
  border: 1px solid rgba(10, 90, 96, 0.28);
  color: var(--pn-paper-accent);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  padding: 2px 8px;
}
.page-news .page-news__paper .page-news__time {
  color: var(--pn-paper-soft);
  opacity: 0.85;
}
.page-news__itemtitle {
  margin: 0;
  font-size: var(--fs-16);
  font-weight: 800;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--pn-paper-text);
}
.page-news__excerpt {
  margin: 8px 0 0;
  max-width: 34em;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--pn-paper-soft);
}

.page-news .page-news__copy {
  flex: 0 0 auto;
  align-self: center;
  margin-left: auto;
  padding: 5px 11px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--pn-paper-soft);
  background: transparent;
  border: 1px solid var(--pn-paper-rule);
  cursor: pointer;
  opacity: 0.55;
  transition: opacity 200ms var(--ease), border-color 200ms var(--ease), color 200ms var(--ease);
}
.page-news .page-news__copy:hover,
.page-news .page-news__copy:focus-visible {
  opacity: 1;
  color: var(--pn-paper-accent);
  border-color: var(--pn-paper-accent);
}

.page-news__item--lead {
  flex-direction: column;
  gap: 12px;
  background: var(--ink);
  border: 1px solid var(--ink-2);
  border-bottom: 1px solid var(--ink-2);
  padding: clamp(20px, 2.6vw, 30px) clamp(16px, 2.4vw, 30px);
  margin-bottom: 2px;
  color: var(--ivory);
}
.page-news__item--lead::after {
  background: var(--cyan);
}
.page-news__item--lead .page-news__idx {
  flex: 0 0 auto;
  padding-top: 0;
  font-size: clamp(40px, 6.4vw, 56px);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--amber);
  opacity: 1;
}
.page-news__item--lead .page-news__col {
  flex: 1 1 100%;
}
.page-news__item--lead .og-tag {
  background: rgba(69, 224, 230, 0.12);
  border: 1px solid rgba(69, 224, 230, 0.36);
  color: var(--cyan);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  padding: 2px 8px;
}
.page-news__item--lead .page-news__time {
  color: var(--muted);
  opacity: 1;
}
.page-news__item--lead .page-news__itemtitle {
  font-size: var(--fs-20);
  color: var(--ivory);
}
.page-news__item--lead .page-news__excerpt {
  color: var(--muted);
}
.page-news__item--lead .page-news__copy {
  margin-left: 0;
  align-self: flex-start;
  color: var(--muted);
  border-color: var(--pn-rule-dark);
}
.page-news__item--lead .page-news__copy:hover,
.page-news__item--lead .page-news__copy:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-news__figure {
  list-style: none;
  padding: 20px 0;
  border-bottom: 1px solid var(--pn-paper-rule);
}
.page-news .page-news__figframe {
  margin: 0;
  aspect-ratio: 5 / 3;
  overflow: hidden;
  border: 1px solid var(--pn-paper-rule);
  background: linear-gradient(140deg, #E3D8C2 0%, #F1E7D6 100%);
}
.page-news .page-news__figframe img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-news .page-news__figframe .og-media__cap {
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--pn-paper-soft);
  padding: 6px 10px;
}

@media (min-width: 700px) {
  .page-news__item {
    flex-wrap: nowrap;
    gap: 4px 22px;
  }
  .page-news__idx {
    flex: 0 0 44px;
  }
}
@media (min-width: 900px) {
  .page-news__browse {
    grid-template-columns: minmax(0, var(--pn-rail)) minmax(0, 1fr);
  }
  .page-news__rail {
    align-self: start;
    position: sticky;
    top: 104px;
  }
  .page-news .page-news__filter {
    flex-direction: column;
  }
  .page-news .page-news__paper .og-filter__btn {
    width: 100%;
    justify-content: space-between;
  }
}

/* ---------- 04 更新节奏与追更方式 ---------- */
.page-news__cadence {
  display: grid;
  gap: clamp(24px, 3.4vw, 48px);
  margin-top: clamp(22px, 3vw, 36px);
}
.page-news__beats {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pn-rule-dark);
}
.page-news__beat {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--pn-rule-dark);
}
.page-news__beatk {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  font-size: var(--fs-16);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--ivory);
}
.page-news__beatk .og-num {
  font-size: var(--fs-14);
  color: var(--amber);
  letter-spacing: 0.04em;
}
.page-news__beatv {
  margin: 0;
  max-width: 34em;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--muted);
}

.page-news__follow {
  padding: clamp(20px, 2.8vw, 32px);
  background: var(--ink-2);
  border: 1px solid var(--pn-rule-dark);
}
.page-news__followhead {
  margin: 0 0 18px;
  font-size: var(--fs-16);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--ivory);
}
.page-news__followlist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}
.page-news__followitem {
  display: grid;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--pn-rule-dark);
}
.page-news__followitem:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.page-news .page-news__followlink {
  justify-self: start;
  text-decoration: none;
}
.page-news__followdesc {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--muted);
}
.page-news__followfoot {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--pn-rule-dark);
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--muted);
}
.page-news .page-news__inlinelink {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(69, 224, 230, 0.45);
  transition: border-color 200ms var(--ease);
}
.page-news .page-news__inlinelink:hover {
  border-bottom-color: var(--cyan);
}

@media (min-width: 900px) {
  .page-news__cadence {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: start;
  }
  .page-news__beat {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
  .page-news__beatk {
    flex-direction: column;
    gap: 4px;
  }
}

/* ---------- 可访问性与动效收敛 ---------- */
.page-news a:focus-visible,
.page-news button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.page-news .page-news__paper a:focus-visible,
.page-news .page-news__paper button:focus-visible {
  outline-color: var(--pn-paper-accent);
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
  .page-news__lead:hover,
  .page-news__item:hover,
  .page-news__item:focus-within,
  .page-news__seriescard:hover {
    transform: none;
  }
}