.page-news {
  --pn-pad: clamp(18px, 4vw, 34px);
  --pn-rule: rgba(110, 139, 132, 0.28);
  --pn-rule-sand: rgba(217, 179, 106, 0.34);
  display: block;
  overflow-x: clip;
  padding-bottom: clamp(72px, 12vw, 140px);
  color: var(--c-cream);
}

.page-news .prose {
  box-sizing: border-box;
  padding-inline: var(--gutter);
}

.page-news .news-crumb {
  padding-top: clamp(18px, 4vw, 34px);
}

/* ---------- 首屏 ---------- */
.page-news .news-intro {
  padding-top: clamp(20px, 4vw, 40px);
  padding-bottom: clamp(40px, 7vw, 74px);
  border-bottom: 1px solid var(--pn-rule);
}

.page-news .news-intro .index-label {
  color: var(--c-sand);
  letter-spacing: 0.18em;
}

.page-news .news-intro__title {
  margin: 10px 0 0;
  font-size: clamp(48px, 11vw, 104px);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.01em;
  color: var(--c-cream);
}

.page-news .news-intro__cols {
  display: grid;
  gap: clamp(16px, 3vw, 36px);
  margin-top: clamp(20px, 4vw, 34px);
}

.page-news .news-intro__lede {
  margin: 0;
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.8;
  color: var(--c-cream);
  max-width: 34em;
}

.page-news .news-intro__aside p {
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(242, 232, 213, 0.78);
  padding-left: 16px;
  border-left: 1px solid var(--pn-rule-sand);
}

.page-news .news-intro__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: clamp(28px, 5vw, 48px) 0 0;
  padding: 0;
  border-top: 1px solid var(--pn-rule-sand);
  border-left: 1px solid var(--pn-rule-sand);
}

.page-news .news-intro__fact {
  padding: 14px 16px 16px;
  border-right: 1px solid var(--pn-rule-sand);
  border-bottom: 1px solid var(--pn-rule-sand);
}

.page-news .news-intro__fact dt {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-line);
  margin-bottom: 6px;
}

.page-news .news-intro__fact dd {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-cream);
}

.page-news .num {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* ---------- 目录 ---------- */
.page-news .news-catalog {
  padding-top: clamp(48px, 8vw, 88px);
}

.page-news .news-catalog .section-head {
  margin-bottom: clamp(20px, 4vw, 34px);
}

.page-news .news-filter .segmented {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 6px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--pn-rule);
}

.page-news .news-filter .segmented__item {
  appearance: none;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 7px 13px;
  font-family: inherit;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-line);
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-news .news-filter .segmented__item:hover {
  color: var(--c-orange);
}

.page-news .news-filter .segmented__item.is-active,
.page-news .news-filter .segmented__item[aria-selected="true"] {
  color: var(--c-orange);
  border-color: var(--pn-rule-sand);
  background: var(--c-orange-soft);
}

.page-news .news-filter__panel {
  padding-top: clamp(8px, 2vw, 16px);
}

.page-news .news-item {
  padding: clamp(18px, 3vw, 26px) 0;
  border-bottom: 1px solid var(--pn-rule);
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 8px;
}

.page-news .news-item__cat {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-sand);
  transition: color 0.2s var(--ease);
}

.page-news .news-item:hover .news-item__cat {
  color: var(--c-orange);
}

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

.page-news .news-item__title {
  margin: 0 0 8px;
  font-size: clamp(18px, 2.6vw, 23px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.01em;
}

.page-news .news-item__title a {
  color: var(--c-cream);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-news .news-item__title a:hover {
  color: var(--c-teal);
  border-bottom-color: var(--c-teal);
}

.page-news .news-item__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 232, 213, 0.72);
  max-width: 44em;
}

/* ---------- 通用内容块 ---------- */
.page-news .news-block {
  padding-top: clamp(52px, 9vw, 96px);
}

.page-news .news-block__sub {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-sand);
}

.page-news .news-block__cols {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
  margin-top: clamp(18px, 3vw, 30px);
}

.page-news .news-block__col p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(242, 232, 213, 0.82);
}

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

.page-news .news-block__main p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(242, 232, 213, 0.82);
  max-width: 40em;
}

.page-news .news-block__main p:last-of-type {
  margin-bottom: 0;
}

.page-news .news-link {
  display: inline-block;
  margin-top: 18px;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--c-teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 191, 155, 0.42);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .news-link:hover {
  color: var(--c-orange);
  border-bottom-color: var(--c-orange);
}

/* ---------- 图 ---------- */
.page-news .news-figure {
  margin: 0;
  border: 1px solid var(--pn-rule);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(180deg, rgba(7, 26, 21, 0.82), rgba(11, 42, 34, 0.5));
  box-shadow: var(--shadow-2);
}

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

.page-news .news-figure--wide {
  aspect-ratio: 1600 / 700;
  margin-bottom: clamp(26px, 5vw, 44px);
}

.page-news .news-figure--tall {
  aspect-ratio: 1000 / 750;
}

.page-news .news-figure--std {
  aspect-ratio: 1200 / 800;
}

.page-news .news-figure--mid {
  aspect-ratio: 1200 / 700;
  margin-top: clamp(32px, 6vw, 56px);
}

.page-news .news-figure__caption {
  padding: 11px 14px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--c-line);
  border-top: 1px solid var(--pn-rule);
  background: rgba(7, 26, 21, 0.7);
}

/* ---------- 版本手记时间轴 ---------- */
.page-news .news-log-section {
  padding-top: clamp(52px, 9vw, 96px);
}

.page-news .news-log-section__lede {
  margin: clamp(16px, 3vw, 26px) 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(242, 232, 213, 0.8);
  max-width: 42em;
}

.page-news .news-log {
  position: relative;
  list-style: none;
  margin: clamp(30px, 5vw, 52px) 0 0;
  padding: 0 0 0 28px;
}

.page-news .news-log::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: var(--pn-rule-sand);
}

.page-news .news-log__node {
  position: relative;
  padding-bottom: clamp(22px, 4vw, 34px);
}

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

.page-news .news-log__dot {
  position: absolute;
  left: -25px;
  top: 9px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-sand);
  box-shadow: 0 0 0 4px rgba(11, 42, 34, 0.9);
}

.page-news .news-log__node:hover .news-log__dot,
.page-news .news-log__node:focus-within .news-log__dot {
  background: var(--c-orange);
}

.page-news .news-log__ver {
  margin: 0;
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 700;
  color: var(--c-cream);
}

.page-news .news-log__ver .num {
  color: var(--c-sand);
}

.page-news .news-log__when {
  margin: 4px 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-line);
}

.page-news .news-log__toggle {
  appearance: none;
  background: transparent;
  border: 1px solid var(--pn-rule-sand);
  border-radius: var(--radius);
  padding: 7px 14px;
  font-family: inherit;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--c-sand);
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-news .news-log__toggle:hover {
  color: var(--c-orange);
  border-color: var(--c-orange);
  background: var(--c-orange-soft);
}

.page-news .news-log__toggle[aria-expanded="true"] {
  color: var(--c-orange);
  border-color: var(--c-orange);
}

.page-news .news-log__panel {
  margin-top: 14px;
}

.page-news .news-log__panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--pn-rule);
}

.page-news .news-log__panel li {
  position: relative;
  padding: 7px 0 7px 18px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 232, 213, 0.78);
}

.page-news .news-log__panel li::before {
  content: "";
  position: absolute;
  left: -2.5px;
  top: 16px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--c-line);
}

/* ---------- 行动区 ---------- */
.page-news .news-cta {
  padding-top: clamp(56px, 10vw, 104px);
}

.page-news .news-cta__inner {
  position: relative;
  padding: clamp(26px, 5vw, 48px);
  border: 1px solid var(--pn-rule-sand);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(27, 42, 91, 0.62) 0%, rgba(75, 46, 107, 0.22) 42%, rgba(11, 42, 34, 0) 72%),
    linear-gradient(180deg, rgba(7, 26, 21, 0.86), rgba(11, 42, 34, 0.52));
  box-shadow: var(--shadow-2);
  overflow: hidden;
}

.page-news .news-cta__inner::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(240, 134, 58, 0.7), transparent);
}

.page-news .news-cta__inner .index-label {
  color: var(--c-sand);
  letter-spacing: 0.18em;
}

.page-news .news-cta__title {
  margin: 10px 0 0;
  font-size: clamp(26px, 4.6vw, 40px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--c-cream);
}

.page-news .news-cta__text {
  margin: clamp(14px, 2.6vw, 22px) 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(242, 232, 213, 0.82);
  max-width: 42em;
}

.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3.4vw, 30px);
}

/* ---------- 窄屏优先的栅格与节奏 ---------- */
@media (min-width: 720px) {
  .page-news .news-intro__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-news .news-block--split {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(24px, 5vw, 56px);
    align-items: start;
  }

  .page-news .news-block--split .news-block__figure {
    position: sticky;
    top: calc(var(--header-h) + 16px);
  }

  .page-news .news-block--flip {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

  .page-news .news-block--flip .news-block__main {
    grid-column: 2;
    grid-row: 1;
  }

  .page-news .news-block--flip .news-block__figure {
    grid-column: 1;
    grid-row: 1;
  }
}

@media (min-width: 900px) {
  .page-news .news-intro__cols {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-news .news-item:nth-child(odd) {
    padding-right: clamp(30px, 9vw, 120px);
  }

  .page-news .news-item:nth-child(even) {
    padding-left: clamp(30px, 9vw, 120px);
  }
}

@media (max-width: 719px) {
  .page-news .news-figure--wide {
    aspect-ratio: 16 / 9;
  }

  .page-news .news-figure--std,
  .page-news .news-figure--mid {
    aspect-ratio: 3 / 2;
  }

  .page-news .news-figure--tall {
    aspect-ratio: 4 / 3;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news * {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}