.page-news {
  --news-rail: 216px;
  --news-line: var(--line);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 4vw, 44px) 0 clamp(28px, 5vw, 60px);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(114deg, rgba(245, 197, 66, 0.10) 0%, rgba(245, 197, 66, 0.10) 36%, transparent 36%),
    linear-gradient(114deg, transparent 0%, transparent 76%, rgba(122, 75, 255, 0.10) 76%);
  pointer-events: none;
}

.page-news .news-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: end;
}

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

.page-news .news-hero__title {
  font-family: var(--font-title);
  font-size: clamp(30px, 8vw, 52px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 12px 0 0;
  text-wrap: balance;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
}

.page-news .news-hero__text {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-news .news-hero__media {
  min-width: 0;
  border: var(--bw) solid var(--line);
  box-shadow: var(--shadow-hard);
}

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

.page-news .news-hero__status {
  margin-top: clamp(26px, 4vw, 44px);
  border: var(--bw) solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
}

.page-news .news-hero__status .status-panel__row + .status-panel__row {
  border-top: 1px solid var(--line);
}

/* ---------- 主体两栏 ---------- */
.page-news .news-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding-bottom: clamp(48px, 7vw, 96px);
}

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

/* ---------- 左侧栏目索引 ---------- */
.page-news .news-rail {
  border-top: var(--bw) solid var(--line);
  border-bottom: var(--bw) solid var(--line);
  padding: 10px 0;
}

.page-news .news-rail .anchor-nav__title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin: 0 0 8px;
  text-transform: uppercase;
}

.page-news .news-rail .anchor-nav__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 2px 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-news .news-rail .anchor-nav__list::-webkit-scrollbar {
  display: none;
}

.page-news .news-rail .anchor-nav__link {
  display: block;
  white-space: nowrap;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line);
  background: var(--panel-2);
  transition: color var(--t-press) ease, border-color var(--t-press) ease;
}

.page-news .news-rail .anchor-nav__link[aria-current="true"] {
  color: var(--ink);
  background: var(--gold);
  border-color: var(--gold);
}

/* ---------- 栏目区块 ---------- */
.page-news .news-section {
  scroll-margin-top: 108px;
  padding-top: clamp(28px, 5vw, 52px);
}

.page-news .news-section__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 4px;
}

.page-news .news-section__media {
  min-width: 0;
  border: var(--bw) solid var(--line);
  box-shadow: var(--shadow-hard);
}

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

/* ---------- 横向栏目说明带 ---------- */
.page-news .news-band {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 14px 44px 14px 18px;
  background: linear-gradient(100deg, rgba(245, 197, 66, 0.14) 0%, rgba(122, 75, 255, 0.08) 62%, transparent 100%);
  border-left: 3px solid var(--gold);
  clip-path: polygon(0 0, 100% 0, calc(100% - 30px) 100%, 0 100%);
}

.page-news .news-band__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold-hi);
}

.page-news .news-band__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper);
}

/* ---------- 条目流 ---------- */
.page-news .news-list {
  margin-top: 10px;
}

.page-news .news-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 0 16px;
  padding: 20px 0 22px;
  border-top: 1px solid var(--line);
  position: relative;
}

.page-news .news-list .news-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .news-item__num {
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-news .news-item__num::before {
  content: "";
  display: block;
  width: 26px;
  height: 3px;
  background: var(--gold);
  margin-bottom: 9px;
}

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

.page-news .news-item__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}

.page-news .news-item__tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold);
  border: 1px solid var(--gold-deep);
  padding: 2px 8px;
}

.page-news .news-item__time {
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--muted);
  white-space: nowrap;
}

.page-news .news-item__title {
  font-family: var(--font-title);
  font-size: 17px;
  line-height: 1.45;
  color: var(--paper);
  margin: 10px 0 0;
}

.page-news .news-item__text {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 68ch;
}

.page-news .news-item__text a,
.page-news .news-item__more .accordion__body a,
.page-news .news-trace__note a {
  color: var(--paper);
  text-decoration: underline;
  text-decoration-color: var(--cyan);
  text-underline-offset: 3px;
}

.page-news .news-item__more {
  margin-top: 12px;
  border-left: 1px solid var(--line);
  padding-left: 12px;
}

.page-news .news-item__more .accordion__summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

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

.page-news .news-item__more .accordion__summary::before {
  content: "+ ";
}

.page-news .news-item__more[open] .accordion__summary::before {
  content: "− ";
}

.page-news .news-item__more .accordion__body {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  border-left: 1px solid var(--gold-deep);
  padding-left: 12px;
}

.page-news .news-item__more .accordion__body p {
  margin: 0;
}

/* ---------- 回溯区块 ---------- */
.page-news .news-trace {
  border-top: var(--bw) solid var(--line);
  margin-top: clamp(30px, 5vw, 56px);
}

.page-news .news-trace__title {
  font-family: var(--font-title);
  font-size: clamp(22px, 5vw, 34px);
  line-height: 1.25;
  color: var(--paper);
  margin: 0;
}

.page-news .news-trace__lead {
  margin: 14px 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-trace__steps {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-news .news-trace__steps .step-chain__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 0 14px;
  align-items: start;
  border-top: 1px dashed var(--gold-deep);
  padding-top: 16px;
}

.page-news .news-trace__steps .step-chain__num {
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.2;
  color: var(--gold);
}

.page-news .news-trace__steps .step-chain__title {
  font-family: var(--font-title);
  font-size: 16px;
  line-height: 1.45;
  color: var(--paper);
  margin: 6px 0 0;
  grid-column: 2;
}

.page-news .news-trace__steps .step-chain__text {
  grid-column: 2;
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

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

.page-news .news-trace__note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--violet);
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 底部动作 ---------- */
.page-news .news-back {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(32px, 5vw, 56px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 44px;
  }

  .page-news .news-section__head {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: 28px;
  }

  .page-news .news-trace__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }
}

@media (min-width: 1000px) {
  .page-news .news-body {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: 56px;
  }

  .page-news .news-rail {
    position: sticky;
    top: 26px;
    align-self: start;
    border-top: 0;
    border-bottom: 0;
    padding: 4px 0 0;
  }

  .page-news .news-rail .anchor-nav__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }

  .page-news .news-rail .anchor-nav__link {
    white-space: normal;
    border: 0;
    background: transparent;
    border-left: 3px solid var(--line);
    padding: 11px 0 11px 14px;
    position: relative;
    font-size: 15px;
  }

  .page-news .news-rail .anchor-nav__link::before {
    content: "";
    position: absolute;
    left: -8px;
    top: 50%;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--line);
    transform: translateY(-50%);
    transition: background var(--t-press) ease;
  }

  .page-news .news-rail .anchor-nav__link[aria-current="true"] {
    color: var(--gold-hi);
    background: transparent;
    border-left-color: var(--gold);
    box-shadow: inset 14px 0 22px -18px rgba(245, 197, 66, 0.9);
  }

  .page-news .news-rail .anchor-nav__link[aria-current="true"]::before {
    background: var(--violet);
  }

  .page-news .news-item {
    grid-template-columns: 72px minmax(0, 1fr);
    padding: 24px 0 26px;
  }

  .page-news .news-item__num {
    font-size: 26px;
  }
}

@media (min-width: 1280px) {
  .page-news .news-trace__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-rail .anchor-nav__link,
  .page-news .news-rail .anchor-nav__link::before {
    transition-duration: 0ms;
  }
}