.page-news {
  --news-gap: clamp(16px, 2.2vw, 26px);
  --news-soft: #C8CEE3;
  --news-line-soft: rgba(34, 48, 92, .75);
  background-color: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

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

.page-news .news-crumb {
  padding-top: clamp(14px, 2vw, 22px);
}

/* ---------- 首屏 ---------- */
.page-news .case-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(26px, 4.5vw, 54px) 0 clamp(32px, 5vw, 60px);
  border-bottom: var(--bd);
  overflow: hidden;
}

.page-news .case-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -34%;
  right: -16%;
  width: min(760px, 94vw);
  height: min(580px, 80vw);
  background: linear-gradient(135deg, rgba(122, 140, 255, .20), rgba(99, 214, 196, .08) 50%, rgba(11, 19, 48, 0) 74%);
  clip-path: polygon(34% 0, 100% 0, 100% 100%, 0 58%);
  pointer-events: none;
}

.page-news .case-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: 0;
  bottom: 0;
  width: min(420px, 60vw);
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.page-news .hero-inner {
  position: relative;
}

.page-news .hero-vnote {
  position: absolute;
  right: clamp(6px, 1.5vw, 20px);
  top: clamp(20px, 4vw, 44px);
  display: none;
  color: var(--muted);
}

.page-news .case-hero h1 {
  margin: 12px 0 0;
  max-width: 22ch;
  font-size: clamp(30px, 5.4vw, 62px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.02em;
}

.page-news .case-hero h1 .hl {
  color: var(--gold);
}

.page-news .hero-lead {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.78;
  color: var(--news-soft);
}

.page-news .hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(24px, 3.5vw, 36px);
  background-color: var(--line);
  border: var(--bd);
}

.page-news .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  background-color: var(--panel);
}

.page-news .stat-num {
  font-size: clamp(18px, 2.1vw, 24px);
  font-weight: 700;
  color: var(--gold);
  letter-spacing: -.01em;
}

.page-news .stat-label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
}

/* ---------- 档案双栏 ---------- */
.page-news .archive {
  border-bottom: var(--bd);
}

.page-news .archive-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.5vw, 36px);
  padding-block: clamp(30px, 4.5vw, 58px);
}

.page-news .archive-head {
  grid-column: 1 / -1;
}

.page-news .archive-head h2 {
  margin: 0;
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 900;
  letter-spacing: -.015em;
}

.page-news .archive-head p {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .archive-rail {
  display: grid;
  gap: 22px;
  align-content: start;
}

.page-news .rail-block {
  border: var(--bd);
  background-color: var(--panel);
  padding: 16px;
}

.page-news .rail-title {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-news .filter-set {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.page-news .filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-news .filter-label {
  display: block;
  padding: 9px 8px;
  border: 1px solid var(--line);
  background-color: var(--ink);
  color: var(--news-soft);
  font-size: 13px;
  text-align: center;
  cursor: pointer;
  transition: color var(--dur), border-color var(--dur), background-color var(--dur);
}

.page-news .filter-label:hover {
  color: var(--paper);
  border-color: var(--muted);
}

.page-news .filter-input:checked + .filter-label {
  background-color: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
  font-weight: 700;
}

.page-news .filter-input:focus-visible + .filter-label {
  outline: 2px solid var(--violet);
  outline-offset: 2px;
}

.page-news .period-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .period-index a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 8px 8px 8px 10px;
  border-left: 2px solid transparent;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--dur), border-color var(--dur), background-color var(--dur);
}

.page-news .period-index a:hover,
.page-news .period-index a:focus-visible {
  color: var(--paper);
  border-left-color: var(--gold);
  background-color: rgba(242, 193, 92, .06);
  outline: none;
}

.page-news .period-index a:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: -2px;
}

.page-news .period-index a[aria-current="true"] {
  color: var(--gold);
  border-left-color: var(--gold);
}

.page-news .pi-num {
  flex: none;
  font-size: 12px;
  color: var(--coral);
  letter-spacing: .04em;
}

.page-news .rail-foot {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 杂志网格 ---------- */
.page-news .mag-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
}

.page-news .case-card {
  position: relative;
  padding: clamp(18px, 2.2vw, 26px) clamp(16px, 2.2vw, 26px) clamp(18px, 2.2vw, 26px) clamp(52px, 6vw, 72px);
  background-color: var(--panel);
  border: var(--bd);
  scroll-margin-top: 96px;
  transition: border-color var(--dur), transform var(--dur), box-shadow var(--dur);
}

.page-news .case-card:hover,
.page-news .case-card:focus-within {
  border-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: 0 14px 26px -20px rgba(5, 9, 21, .9);
}

.page-news .case-num {
  position: absolute;
  left: clamp(10px, 1.4vw, 16px);
  top: clamp(14px, 1.8vw, 20px);
  font-family: var(--font-mono);
  font-size: clamp(24px, 2.8vw, 32px);
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--line);
  transition: -webkit-text-stroke-color var(--dur), color var(--dur);
}

.page-news .case-card:hover .case-num,
.page-news .case-card:focus-within .case-num {
  color: rgba(242, 193, 92, .14);
  -webkit-text-stroke-color: var(--gold);
}

.page-news .case-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
}

.page-news .case-phase {
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-news .case-card h3 {
  margin: 0;
  font-size: clamp(17px, 1.9vw, 20px);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -.01em;
}

.page-news .case-abstract {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--news-soft);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--dur);
}

.page-news .case-card:hover .case-abstract,
.page-news .case-card:focus-within .case-abstract {
  -webkit-line-clamp: unset;
  color: var(--paper);
}

.page-news .angle-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-news .angle-list li {
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(0, 1fr);
  gap: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--news-line-soft);
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-news .angle-key {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--mint);
  white-space: nowrap;
}

/* 首条大卡 */
.page-news .case-card--lead {
  padding-left: clamp(16px, 2.2vw, 26px);
  border-color: var(--line);
  background:
    linear-gradient(180deg, rgba(122, 140, 255, .10), rgba(18, 28, 61, 0) 46%),
    var(--panel);
}

.page-news .lead-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 28px);
  align-items: start;
}

.page-news .case-figure {
  margin: 0;
}

.page-news .case-figure .figure-media,
.page-news .brief-media .figure-media {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background-color: var(--ink);
  border: var(--bd);
}

.page-news .case-figure .figure-media img,
.page-news .brief-media .figure-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .case-figure .figure-caption,
.page-news .brief-media .figure-caption {
  margin-top: 8px;
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-news .case-card--lead .case-abstract {
  -webkit-line-clamp: unset;
  color: var(--news-soft);
}

.page-news .case-card--lead h3 {
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 900;
}

.page-news .spark {
  width: 100%;
  height: auto;
  margin: 16px 0 0;
  border: 1px solid var(--news-line-soft);
  background-color: rgba(11, 19, 48, .55);
  padding: 6px;
}

.page-news .spark-grid {
  stroke: var(--line);
  stroke-width: 1;
}

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

.page-news .spark-coral {
  fill: none;
  stroke: var(--coral);
  stroke-width: 2;
  stroke-dasharray: 5 4;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.page-news .case-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 0;
}

/* 筛选：纯 CSS 渐进增强 */
.page-news:has(#f-alert:checked) .case-card:not([data-cat~="alert"]),
.page-news:has(#f-trend:checked) .case-card:not([data-cat~="trend"]),
.page-news:has(#f-version:checked) .case-card:not([data-cat~="version"]) {
  display: none;
}

/* ---------- 专题拆解 ---------- */
.page-news .briefs {
  border-bottom: var(--bd);
  padding-block: clamp(30px, 4.5vw, 62px);
}

.page-news .briefs-head h2 {
  margin: 0;
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 900;
  letter-spacing: -.015em;
}

.page-news .briefs-head p {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .brief {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 36px);
  padding-block: clamp(26px, 3.6vw, 46px);
  border-top: var(--bd);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-news .briefs-head + .brief {
  border-top: 0;
}

.page-news .brief--panel {
  background-color: var(--panel);
  border-left: 3px solid var(--gold);
  padding-inline: clamp(16px, 2.6vw, 30px);
}

.page-news .brief-num {
  display: block;
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 700;
  line-height: 1;
  color: var(--coral);
  letter-spacing: -.02em;
}

.page-news .brief-body h3 {
  margin: 10px 0 0;
  font-size: clamp(19px, 2.2vw, 26px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -.01em;
}

.page-news .brief-body p {
  margin: 12px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--news-soft);
}

.page-news .steps {
  list-style: none;
  counter-reset: st;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .steps li {
  counter-increment: st;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--news-soft);
}

.page-news .steps li::before {
  content: counter(st, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--gold);
  padding-top: 3px;
}

.page-news .brief-link {
  margin: 18px 0 0;
}

.page-news .brief-link a {
  display: inline-block;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--gold);
  color: var(--paper);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: color var(--dur), border-color var(--dur);
}

.page-news .brief-link a:hover,
.page-news .brief-link a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--coral);
}

.page-news .brief-link a:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 3px;
}

.page-news .brief-media {
  margin: 0;
}

/* ---------- 归档节奏 ---------- */
.page-news .cadence-sec {
  border-bottom: var(--bd);
  padding-block: clamp(30px, 4.5vw, 58px);
}

.page-news .cadence-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.5vw, 44px);
  align-items: start;
}

.page-news .cadence-text h2 {
  margin: 10px 0 0;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -.015em;
}

.page-news .cadence-text p {
  margin: 12px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--news-soft);
}

.page-news .cadence {
  list-style: none;
  margin: 0 0 0 4px;
  padding: 0 0 0 22px;
  border-left: 1px solid var(--line);
  display: grid;
  gap: 20px;
}

.page-news .cadence li {
  position: relative;
  display: grid;
  gap: 5px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--news-soft);
}

.page-news .cadence li::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 7px;
  width: 9px;
  height: 9px;
  background-color: var(--ink);
  border: 1px solid var(--gold);
}

.page-news .cadence li:last-child::before {
  background-color: var(--gold);
}

.page-news .cadence-key {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mint);
}

/* ---------- 结尾推进 ---------- */
.page-news .next-step {
  padding-block: clamp(30px, 4.5vw, 58px);
  background:
    linear-gradient(120deg, rgba(99, 214, 196, .10), rgba(18, 28, 61, 0) 58%),
    var(--deep);
}

.page-news .next-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  align-items: center;
}

.page-news .next-text h2 {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 30px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -.015em;
}

.page-news .next-text p {
  margin: 12px 0 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--news-soft);
}

.page-news .next-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-news .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .filter-set {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-news .mag-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .case-card--lead {
    grid-column: 1 / -1;
  }

  .page-news .case-card--offset {
    margin-top: 26px;
  }

  .page-news .next-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 28px;
  }

  .page-news .next-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 860px) {
  .page-news .case-card--lead .lead-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }

  .page-news .brief {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-news .brief--flip .brief-media {
    order: -1;
  }

  .page-news .cadence-inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

@media (min-width: 940px) {
  .page-news .archive-inner {
    grid-template-columns: minmax(0, 3.4fr) minmax(0, 8.6fr);
    column-gap: clamp(26px, 3.4vw, 44px);
  }

  .page-news .archive-rail {
    position: sticky;
    top: 88px;
  }
}

@media (min-width: 1100px) {
  .page-news .hero-vnote {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .case-card,
  .page-news .case-num,
  .page-news .case-abstract,
  .page-news .filter-label,
  .page-news .period-index a,
  .page-news .brief-link a {
    transition: none;
  }

  .page-news .case-card:hover,
  .page-news .case-card:focus-within {
    transform: none;
  }
}