.page-news {
  --pn-gap: clamp(20px, 3vw, 40px);
  --pn-pad: clamp(22px, 4vw, 36px);
  --pn-rule: rgba(127, 167, 159, 0.26);
  --pn-half: clamp(28px, 5vw, 64px);
}

/* ---------- 面包屑间距 ---------- */
.page-news .bs-crumb {
  padding-top: clamp(18px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-news .pn-hero {
  position: relative;
  padding: clamp(28px, 5vw, 56px) 0 clamp(26px, 4vw, 48px);
  border-bottom: 1px solid var(--pn-rule);
  background:
    radial-gradient(120% 150% at 90% -10%, rgba(53, 224, 208, 0.11), transparent 58%),
    linear-gradient(180deg, rgba(15, 58, 48, 0.62), rgba(11, 43, 36, 0) 78%);
}

.page-news .pn-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pn-gap);
  align-items: end;
}

.page-news .pn-hero__title {
  margin: 14px 0 0;
  font-size: clamp(34px, 7.4vw, 76px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--cool);
  max-width: 16em;
}

.page-news .pn-hero__lead .bs-lede {
  margin-top: 18px;
  max-width: 44em;
  color: rgba(234, 246, 243, 0.86);
}

.page-news .pn-hero__aside {
  border-left: 2px solid var(--orange);
  padding-left: clamp(14px, 2vw, 22px);
}

.page-news .pn-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin: 0;
}

.page-news .pn-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-top: 1px solid var(--pn-rule);
  padding-top: 8px;
}

.page-news .pn-stat dt {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-news .pn-stat dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-news .pn-stat--live dd {
  color: var(--orange);
}

.page-news .pn-stat__plus {
  font-size: 0.6em;
  margin-left: 2px;
  color: var(--cyan);
}

.page-news .pn-stat__unit {
  font-size: 0.46em;
  margin-left: 0.15em;
  letter-spacing: 0.06em;
  color: var(--cool);
}

/* ---------- 编辑台两栏 ---------- */
.page-news .pn-desk {
  position: relative;
  padding: clamp(34px, 6vw, 72px) 0 clamp(30px, 5vw, 56px);
}

.page-news .pn-desk__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pn-half);
  align-items: start;
}

/* 左窄栏 */
.page-news .pn-rail {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.page-news .pn-rail__title {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.22em;
  color: var(--muted);
  font-weight: 400;
}

.page-news .pn-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .pn-chip {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-news .pn-rail__block {
  border-top: 1px dashed var(--pn-rule);
  padding-top: 16px;
}

.page-news .pn-rail__sub {
  margin: 0 0 8px;
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  font-weight: 600;
}

.page-news .pn-rail__line {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(234, 246, 243, 0.74);
}

.page-news .pn-rail__line .num {
  color: var(--orange);
  font-size: 15px;
}

.page-news .pn-rail__block--cta {
  background: var(--ink-2);
  border-top: 1px solid var(--line-strong);
  padding: 18px;
  border-radius: 2px 2px 2px 2px;
  clip-path: polygon(12px 0, 100% 0, 100% 100%, 0 100%, 0 12px);
}

.page-news .pn-rail__btn {
  margin-top: 12px;
  width: 100%;
  text-align: center;
}

/* 右宽条目区 */
.page-news .pn-stream__head {
  margin-bottom: 8px;
}

.page-news .pn-item {
  position: relative;
  padding: 20px 0 24px;
}

.page-news .pn-item--lead {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-news .pn-item__tag {
  display: inline-block;
  margin: 0 0 10px;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  border: 1px solid var(--line-strong);
  border-radius: 2px;
}

.page-news .pn-item__title {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--cool);
}

.page-news .pn-item__sum {
  margin: 10px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(234, 246, 243, 0.78);
  max-width: 46em;
}

.page-news .pn-item__meta {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.page-news .pn-item__meta span {
  white-space: nowrap;
}

.page-news .pn-item__meta span:not(:first-child)::before {
  content: "|";
  margin: 0 10px;
  color: rgba(127, 167, 159, 0.5);
}

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

.page-news .pn-item__more summary {
  cursor: pointer;
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
  list-style: none;
}

.page-news .pn-item__more summary::-webkit-details-marker {
  display: none;
}

.page-news .pn-item__more summary::before {
  content: "＋ ";
  font-family: var(--font-mono);
}

.page-news .pn-item__more[open] summary::before {
  content: "－ ";
}

.page-news .pn-item__fold {
  margin-top: 12px;
  border-left: 2px solid var(--cyan);
  padding: 2px 0 2px 16px;
}

.page-news .pn-item__fold p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(234, 246, 243, 0.74);
  max-width: 44em;
}

.page-news .pn-item__figure {
  margin: 0;
}

.page-news .pn-item__figure figcaption {
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* 斜线分隔 */
.page-news .pn-stream__rule {
  height: 12px;
  background-image: repeating-linear-gradient(-58deg, rgba(220, 214, 198, 0.55) 0 1px, transparent 1px 10px);
  opacity: 0.55;
}

/* 媒体比例 */
.page-news .pn-media--16x9 {
  aspect-ratio: 16 / 9;
}

.page-news .pn-media--3x2 {
  aspect-ratio: 3 / 2;
}

.page-news .pn-media--4x5 {
  aspect-ratio: 4 / 5;
}

.page-news .bs-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 中部图片带 ---------- */
.page-news .pn-band {
  margin: clamp(30px, 5vw, 56px) 0 0;
  position: relative;
}

.page-news .pn-band .bs-media {
  max-width: 100%;
}

.page-news .pn-band__cap {
  max-width: var(--wrap);
  margin: 12px auto 0;
  padding: 0 var(--gutter);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 战术专题 ---------- */
.page-news .pn-reports {
  position: relative;
  padding: clamp(38px, 6vw, 78px) 0 clamp(30px, 5vw, 60px);
  background: linear-gradient(180deg, rgba(15, 58, 48, 0.42), rgba(11, 43, 36, 0));
}

.page-news .pn-reports__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pn-half);
  align-items: start;
}

.page-news .pn-reports__main .bs-lede {
  margin: 16px 0 26px;
  max-width: 42em;
  color: rgba(234, 246, 243, 0.84);
}

.page-news .pn-reports__stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-news .pn-report {
  background: var(--ink-2);
  border: 1px solid var(--pn-rule);
  clip-path: polygon(12px 0, 100% 0, 100% 100%, 0 100%, 0 12px);
  transition: border-color 0.25s ease;
}

.page-news .pn-report[open] {
  border-color: var(--line-strong);
}

.page-news .pn-report__sum {
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 16px 20px;
  list-style: none;
}

.page-news .pn-report__sum::-webkit-details-marker {
  display: none;
}

.page-news .pn-report__no {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-news .pn-report__name {
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 600;
  color: var(--cool);
}

.page-news .pn-report__body {
  padding: 0 20px 18px;
}

.page-news .pn-report__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(234, 246, 243, 0.76);
  max-width: 44em;
}

.page-news .pn-reports__aside figcaption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 版本发布记录 ---------- */
.page-news .pn-releases {
  position: relative;
  padding: clamp(34px, 5vw, 66px) 0;
}

.page-news .pn-timeline {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-news .pn-release {
  position: relative;
  padding: 22px 0 22px 22px;
  border-left: 1px solid var(--pn-rule);
}

.page-news .pn-release::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 28px;
  width: 7px;
  height: 7px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-news .pn-release:last-child {
  border-left-style: dashed;
}

.page-news .pn-release__stage {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-news .pn-release__title {
  margin: 0;
  font-size: clamp(18px, 2.3vw, 22px);
  color: var(--cool);
  letter-spacing: -0.01em;
}

.page-news .pn-release__text {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(234, 246, 243, 0.76);
  max-width: 46em;
}

.page-news .pn-releases__note {
  margin-top: 22px;
  color: var(--muted);
}

/* ---------- 索引上新 ---------- */
.page-news .pn-index {
  position: relative;
  padding: clamp(40px, 6vw, 84px) 0;
  overflow: hidden;
  border-top: 1px solid var(--pn-rule);
  border-bottom: 1px solid var(--pn-rule);
}

.page-news .pn-index__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-news .pn-index__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
  filter: saturate(0.55);
}

.page-news .pn-index .wrap {
  position: relative;
  z-index: 1;
}

.page-news .pn-index__head {
  margin-bottom: 26px;
}

.page-news .pn-index__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-news .pn-index__card {
  background: rgba(15, 58, 48, 0.86);
  border: 1px solid var(--pn-rule);
  padding: var(--pn-pad);
  clip-path: polygon(12px 0, 100% 0, 100% 100%, 0 100%, 0 12px);
}

.page-news .pn-index__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-news .pn-index__title {
  margin: 0 0 10px;
  font-size: clamp(18px, 2.3vw, 22px);
  color: var(--cool);
  line-height: 1.35;
}

.page-news .pn-index__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(234, 246, 243, 0.76);
}

.page-news .pn-index__note {
  margin-top: 22px;
  color: var(--muted);
  max-width: 62em;
}

/* ---------- 尾部两栏 ---------- */
.page-news .pn-tail {
  padding: clamp(38px, 6vw, 76px) 0 clamp(50px, 8vw, 96px);
}

.page-news .pn-tail__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: start;
}

.page-news .pn-tail__card {
  padding: var(--pn-pad);
  clip-path: polygon(12px 0, 100% 0, 100% 100%, 0 100%, 0 12px);
  color: var(--brown);
}

.page-news .pn-tail__title {
  margin: 0 0 12px;
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.35;
  color: var(--brown);
}

.page-news .pn-tail__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(26, 21, 18, 0.78);
}

.page-news .pn-tail__text .num {
  color: var(--brown);
  font-weight: 600;
  border-bottom: 2px solid var(--cyan);
}

.page-news .pn-tail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

/* ---------- 内联链接 ---------- */
.page-news .pn-inline {
  color: var(--cyan);
  border-bottom: 1px solid var(--line-strong);
  text-decoration: none;
}

.page-news .pn-inline:hover,
.page-news .pn-inline:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 显现动效 ---------- */
.page-news .reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.page-news .reveal.is-in {
  opacity: 1;
  transform: none;
}

.page-news .pn-release:nth-child(2) {
  transition-delay: 60ms;
}

.page-news .pn-release:nth-child(3) {
  transition-delay: 120ms;
}

/* ---------- 焦点环 ---------- */
.page-news a:focus-visible,
.page-news button:focus-visible,
.page-news summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 760px) {
  .page-news .pn-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .pn-item--lead {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: 28px;
  }

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

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

@media (min-width: 900px) {
  .page-news .pn-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--pn-half);
  }
}

@media (min-width: 1024px) {
  .page-news .pn-desk__grid {
    grid-template-columns: minmax(210px, 3fr) minmax(0, 9fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-news .pn-rail {
    position: sticky;
    top: 104px;
  }

  .page-news .pn-reports__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-news .pn-reports__aside {
    margin-top: 96px;
  }
}

@media (min-width: 1180px) {
  .page-news .pn-item--lead {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
  }

  .page-news .pn-band__cap {
    padding: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-news .pn-report {
    transition: none;
  }
}