.page-news {
  --news-rail-w: 268px;
  --news-indent: 22px;
}

/* ---------- 页首 ---------- */
.page-news .breadcrumb {
  padding-top: clamp(14px, 2.4vw, 26px);
}

.page-news .news-masthead {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4.6vw, 62px) 0 clamp(30px, 4.6vw, 58px);
  border-bottom: 1px solid var(--c-line);
  background:
    linear-gradient(112deg, rgba(122, 18, 32, 0.09) 0%, rgba(233, 237, 242, 0) 52%),
    var(--c-bg);
}

.page-news .news-masthead::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -56px;
  width: 240px;
  height: 240px;
  background: linear-gradient(135deg, rgba(192, 138, 46, 0.22), rgba(122, 18, 32, 0.04));
  transform: rotate(var(--slant));
  pointer-events: none;
}

.page-news .news-masthead__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: end;
}

.page-news .news-masthead__lead h1 {
  margin: 14px 0 0;
  max-width: 15em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 6vw, 74px);
  line-height: 1.06;
  letter-spacing: -0.022em;
  color: var(--c-ink);
}

.page-news .news-masthead__lede {
  margin: 20px 0 0;
  max-width: 42ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  color: var(--c-ink);
  opacity: 0.82;
}

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

.page-news .news-masthead__meta {
  margin: 0;
  padding: 0;
  border-top: 3px solid var(--c-red);
}

.page-news .news-meta-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-news .news-meta-item dt {
  font-size: 13px;
  color: var(--c-mid);
  letter-spacing: 0.04em;
}

.page-news .news-meta-item dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-ink);
}

/* ---------- 本期更新主轴 ---------- */
.page-news .news-axis__grid {
  align-items: start;
}

.page-news .news-axis__text p {
  margin: 0;
}

.page-news .news-axis__points {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px solid var(--c-line);
}

.page-news .news-axis__points li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--c-line);
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-ink);
}

.page-news .news-axis__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  font-size: 12px;
  color: var(--c-paper);
  background: var(--c-red);
  clip-path: polygon(0 0, 72% 0, 100% 28%, 100% 100%, 0 100%);
}

.page-news .news-axis__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-news .news-axis__figure {
  margin-top: 4px;
}

/* ---------- 条目流 ---------- */
.page-news .news-stream__figure {
  margin: 0 0 clamp(28px, 4vw, 46px);
}

.page-news .news-stream__layout {
  display: grid;
  gap: clamp(24px, 3.4vw, 42px);
}

.page-news .news-stream__rail-title {
  margin: 0 0 14px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--c-ink);
}

.page-news .news-stream__rail .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-stream__rail .note {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--c-line);
}

.page-news .news-stream__list {
  min-width: 0;
}

.page-news .news-entry {
  position: relative;
  margin-left: var(--news-indent);
  margin-bottom: 18px;
  padding: 20px 20px 20px 22px;
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-left: 2px solid var(--c-gold);
  transition: border-left-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-news .news-entry::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--news-indent));
  top: 36px;
  width: var(--news-indent);
  height: 1px;
  background: var(--c-line);
}

.page-news .news-entry:hover {
  border-left-color: var(--c-red);
  box-shadow: 0 10px 26px -20px rgba(27, 36, 48, 0.55);
}

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

.page-news .news-entry__code {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-mid);
}

.page-news .news-entry__time {
  margin-left: auto;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-teal);
}

.page-news .news-entry__title {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: clamp(16px, 2.1vw, 20px);
  line-height: 1.48;
  color: var(--c-ink);
}

.page-news .news-entry__sum {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-ink);
  opacity: 0.78;
}

.page-news .news-entry__more {
  margin-top: 12px;
  border-top: 1px dashed var(--c-line);
  padding-top: 10px;
}

.page-news .news-entry__more > summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-red);
}

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

.page-news .news-entry__more > summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-news .news-entry__more[open] > summary::after {
  content: "－";
}

.page-news .news-entry__more > summary:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: 3px;
}

.page-news .news-entry__more p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--c-ink);
  opacity: 0.8;
}

/* ---------- 版本对比解读（深色密度高点） ---------- */
.page-news .news-compare {
  background:
    linear-gradient(160deg, rgba(78, 12, 22, 0.92) 0%, rgba(27, 36, 48, 1) 62%),
    var(--c-ink);
  color: var(--c-paper);
  border-top: 3px solid var(--c-gold);
}

.page-news .news-compare .section__head {
  border-top-color: rgba(251, 249, 246, 0.18);
}

.page-news .news-compare .eyebrow {
  color: var(--c-gold);
}

.page-news .news-compare .section-title {
  color: var(--c-paper);
}

.page-news .news-compare .lede {
  color: rgba(251, 249, 246, 0.74);
}

.page-news .news-compare__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-news .news-compare__tabs .filter-bar__btn {
  color: rgba(251, 249, 246, 0.76);
  background: transparent;
  border: 1px solid rgba(251, 249, 246, 0.26);
}

.page-news .news-compare__tabs .filter-bar__btn:hover {
  border-color: var(--c-gold);
  color: var(--c-paper);
}

.page-news .news-compare__tabs .filter-bar__btn[aria-pressed="true"] {
  color: var(--c-ink);
  background: var(--c-gold);
  border-color: var(--c-gold);
}

.page-news .news-compare__tabs .filter-bar__btn:focus-visible {
  outline: 2px solid var(--c-teal);
  outline-offset: 3px;
}

.page-news .news-compare__panels {
  display: grid;
  gap: 16px;
}

.page-news .news-compare__panel {
  padding: 20px 20px 16px;
  background: rgba(251, 249, 246, 0.055);
  border-top: 2px solid var(--c-gold);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%);
}

.page-news .news-compare__name {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.4vw, 23px);
  letter-spacing: -0.01em;
  color: var(--c-paper);
}

.page-news .news-compare__row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 12px;
  margin: 0;
  padding: 10px 0;
  border-top: 1px solid rgba(251, 249, 246, 0.14);
  font-size: 14px;
  line-height: 1.72;
  color: rgba(251, 249, 246, 0.86);
}

.page-news .news-compare__row > span:first-child {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-teal);
  padding-top: 4px;
}

.page-news .news-compare__figure {
  margin-top: clamp(26px, 3.4vw, 40px);
}

.page-news .news-compare__figure .figure-frame__caption {
  color: rgba(251, 249, 246, 0.62);
}

/* ---------- 回溯入口 ---------- */
.page-news .news-archive__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--c-red);
}

.page-news .news-archive__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-news .news-archive__no {
  grid-column: 1 / -1;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-gold);
}

.page-news .news-archive__body {
  min-width: 0;
}

.page-news .news-archive__link {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 16px;
  color: var(--c-ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .news-archive__link:hover,
.page-news .news-archive__link:focus-visible {
  color: var(--c-red);
  border-bottom-color: var(--c-red);
}

.page-news .news-archive__body p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mid);
}

.page-news .news-archive__count {
  align-self: center;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-mid);
  white-space: nowrap;
}

.page-news .news-archive__foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--c-mid);
}

.page-news .news-archive__foot a {
  color: var(--c-red);
  border-bottom: 1px solid var(--c-line);
}

.page-news .news-archive__aside {
  margin-top: 22px;
  padding: 18px 20px;
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-left: 2px solid var(--c-teal);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%);
}

.page-news .news-archive__aside h3 {
  margin: 0 0 12px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--c-ink);
}

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

.page-news .news-archive__aside li {
  padding: 9px 0;
  border-top: 1px solid var(--c-line);
}

.page-news .news-archive__aside li a {
  font-size: 14px;
  color: var(--c-ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-archive__aside li a:hover,
.page-news .news-archive__aside li a:focus-visible {
  color: var(--c-red);
  border-bottom-color: var(--c-red);
}

/* ---------- 响应式 ---------- */
@media (min-width: 768px) {
  .page-news .news-compare__panels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-news .news-masthead__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-news .news-stream__layout {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-stream__rail {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-news .news-stream__rail .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .page-news .news-stream__rail .filter-bar__btn {
    text-align: left;
  }
}

@media (min-width: 1100px) {
  .page-news .news-compare__panels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-compare__panels > :first-child {
    grid-column: span 2;
  }
}

@media (max-width: 560px) {
  .page-news {
    --news-indent: 12px;
  }

  .page-news .news-masthead::after {
    width: 160px;
    height: 160px;
    right: -60px;
    top: -46px;
  }

  .page-news .news-entry {
    padding: 18px 16px;
  }

  .page-news .news-compare__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-news .news-compare__row > span:first-child {
    padding-top: 0;
  }

  .page-news .news-archive__count {
    justify-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-entry,
  .page-news .news-archive__link,
  .page-news .news-archive__aside li a {
    transition: none;
  }
}
</main>