.page-news {
  --news-tick: var(--line);
  --news-axis: 170px;
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: clamp(14px, 2.2vw, 24px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-news .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}

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

/* ---------- 页首 ---------- */
.page-news .news-hero {
  position: relative;
  margin-top: clamp(14px, 2.2vw, 26px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--night);
  overflow: hidden;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(198, 255, 61, .07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(198, 255, 61, .05) 1px, transparent 1px);
  background-size: 58px 58px, 58px 58px;
  -webkit-mask-image: radial-gradient(125% 110% at 88% 12%, #000 0%, transparent 74%);
  mask-image: radial-gradient(125% 110% at 88% 12%, #000 0%, transparent 74%);
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(20px, 3.4vw, 44px);
  padding-block: clamp(30px, 5vw, 62px);
  align-items: end;
}

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

.page-news .news-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 4.6vw, 52px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.02em;
  margin: 12px 0 16px;
  max-width: 18ch;
}

.page-news .news-hero .lead {
  margin: 0;
  max-width: 48ch;
  font-size: clamp(15.5px, 1.4vw, 17px);
  line-height: 1.78;
  color: var(--ink);
  opacity: .86;
}

.page-news .news-hero__note {
  margin: 16px 0 0;
  max-width: 46ch;
  padding-left: 13px;
  border-left: 2px solid var(--teal);
  font-size: 13px;
  line-height: 1.72;
  color: var(--muted);
}

.page-news .news-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.page-news .news-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  filter: saturate(.92) contrast(1.05);
}

/* ---------- 置顶专题条 ---------- */
.page-news .news-pin {
  display: flex;
  align-items: center;
  gap: clamp(10px, 2vw, 18px);
  margin-top: clamp(20px, 3vw, 32px);
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--teal);
  border-radius: var(--radius-sm);
  background: var(--panel);
  color: inherit;
  text-decoration: none;
  transition: border-color .18s ease, background-color .18s ease;
}

.page-news .news-pin:hover,
.page-news .news-pin:focus-visible {
  border-left-color: var(--lime);
  background: var(--raise);
}

.page-news .news-pin__key {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--lime);
  color: var(--on-lime);
}

.page-news .news-pin__title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--ink);
  white-space: normal;
}

.page-news .news-pin__meta {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 列表区 ---------- */
.page-news .news-feed {
  padding-top: clamp(34px, 5vw, 62px);
}

.page-news .news-feed__head {
  display: grid;
  gap: 16px;
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-news .news-feed__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 700;
  letter-spacing: -.015em;
  line-height: 1.2;
}

.page-news .news-filter {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.page-news .news-filter::-webkit-scrollbar {
  display: none;
}

.page-news .news-filter .filter-btn {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  padding: 7px 13px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  cursor: pointer;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}

.page-news .news-filter .filter-btn:hover {
  color: var(--ink);
  border-color: var(--raise);
}

.page-news .news-filter .filter-btn[aria-pressed="true"] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--on-lime);
}

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

.page-news .news-roundbar {
  display: flex;
  overflow-x: auto;
  margin-top: 4px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.page-news .news-roundbar::-webkit-scrollbar {
  display: none;
}

.page-news .news-roundbar__item {
  flex: none;
  padding: 10px 16px;
  border-right: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color .18s ease, background-color .18s ease;
}

.page-news .news-roundbar__item:hover,
.page-news .news-roundbar__item:focus-visible {
  color: var(--lime);
  background: var(--panel);
}

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

.page-news .news-item {
  position: relative;
  display: grid;
  gap: 12px;
  padding: clamp(18px, 2.4vw, 26px) 0;
  border-bottom: 1px solid var(--line);
}

.page-news .news-item__axis {
  position: relative;
  padding-left: 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}

.page-news .news-item__axis::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  bottom: 3px;
  width: 2px;
  border-radius: 2px;
  background: var(--news-tick);
  transition: background-color .2s ease, box-shadow .2s ease;
}

.page-news .news-item:hover .news-item__axis::before,
.page-news .news-item:focus-within .news-item__axis::before {
  background: var(--lime);
  box-shadow: 0 0 12px -2px rgba(198, 255, 61, .55);
}

.page-news .news-item__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-news .news-item__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--raise);
  color: var(--muted);
  white-space: nowrap;
}

.page-news .news-item__body {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
  align-items: start;
  min-width: 0;
}

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

.page-news .news-item__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(18px, 1.9vw, 23px);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-news .news-item__sum {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .news-item__meta {
  margin-top: 12px;
  font-size: 13px;
}

.page-news .news-item__meta summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 2px;
  border-bottom: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--teal);
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-item__meta summary::before {
  content: "+";
  font-size: 13px;
  line-height: 1;
}

.page-news .news-item__meta[open] summary::before {
  content: "–";
}

.page-news .news-item__meta p {
  margin: 10px 0 0;
  max-width: 62ch;
  padding-left: 12px;
  border-left: 2px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 条目配图 ---------- */
.page-news .news-media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--panel);
}

.page-news .news-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.9) contrast(1.05);
}

.page-news .news-media figcaption {
  padding: 8px 12px 10px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 迷你走势线 ---------- */
.page-news .news-spark {
  display: block;
  width: min(220px, 100%);
  height: auto;
  margin-top: 14px;
}

.page-news .news-spark__base {
  fill: none;
  stroke: var(--line);
  stroke-width: 1;
}

.page-news .news-spark__a {
  fill: none;
  stroke: var(--teal);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-news .news-spark__b {
  fill: none;
  stroke: var(--lime);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 5 4;
  stroke-dashoffset: 0;
}

.page-news .news-item:hover .news-spark__b {
  animation: news-spark-draw .9s ease-out 1;
}

@keyframes news-spark-draw {
  from { stroke-dashoffset: 54; }
  to { stroke-dashoffset: 0; }
}

/* ---------- 筛选动画 ---------- */
.page-news .news-item.is-hidden {
  display: none;
}

.page-news .news-item.is-in {
  animation: news-filter-in .18s ease both;
}

@keyframes news-filter-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 归档索引 ---------- */
.page-news .news-archive {
  padding-top: clamp(44px, 7vw, 88px);
  padding-bottom: clamp(20px, 3vw, 36px);
}

.page-news .news-archive__head {
  max-width: 60ch;
}

.page-news .news-archive__head h2 {
  margin: 12px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -.015em;
}

.page-news .news-archive__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .news-archive__grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  margin-top: clamp(22px, 3vw, 36px);
}

.page-news .news-archive__col h3 {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  font-weight: 500;
  color: var(--ink);
}

.page-news .news-archive__col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .news-archive__col li {
  display: grid;
  gap: 4px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .news-archive__col li span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--teal);
}

/* ---------- 口径尾段 ---------- */
.page-news .news-policy {
  margin-top: clamp(36px, 6vw, 76px);
  padding-block: clamp(34px, 6vw, 74px);
  border-top: 1px solid var(--line);
  background: var(--night-soft);
}

.page-news .news-policy h2 {
  margin: 12px 0 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -.015em;
}

.page-news .news-policy__grid {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-news .news-policy__block {
  padding-top: 16px;
  border-top: 2px solid var(--line);
}

.page-news .news-policy__block:first-child {
  border-top-color: var(--lime);
}

.page-news .news-policy__block h3 {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .12em;
  color: var(--muted);
}

.page-news .news-policy__block p {
  margin: 0;
  max-width: 40ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .news-policy__warn {
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 12px 16px;
  border-left: 3px solid var(--orange);
  background: var(--panel);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink);
}

.page-news .news-policy__more {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .news-policy__more a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color .18s ease, border-color .18s ease;
}

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

/* ---------- 响应式 ---------- */
@media (max-width: 639px) {
  .page-news .news-pin {
    flex-wrap: wrap;
  }

  .page-news .news-pin__title {
    flex-basis: 100%;
    order: 3;
  }

  .page-news .news-pin__meta {
    margin-left: auto;
  }

  .page-news .news-media {
    max-width: 420px;
  }
}

@media (min-width: 720px) {
  .page-news .news-item {
    grid-template-columns: var(--news-axis) minmax(0, 1fr);
    gap: clamp(16px, 2.6vw, 36px);
  }

  .page-news .news-item__axis {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

@media (min-width: 760px) {
  .page-news .news-archive__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  }

  .page-news .news-item--media .news-item__body {
    grid-template-columns: minmax(0, 1fr) minmax(200px, 268px);
  }

  .page-news .news-filter {
    flex-wrap: wrap;
    overflow: visible;
  }
}

@media (min-width: 1080px) {
  .page-news {
    --news-axis: 184px;
  }

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

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

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item.is-in,
  .page-news .news-item:hover .news-spark__b {
    animation: none;
  }

  .page-news .news-item__axis::before,
  .page-news .news-pin,
  .page-news .news-filter .filter-btn {
    transition: none;
  }
}