.page-news {
  --pn-line-soft: rgba(35, 43, 52, 0.7);
  --pn-amber: var(--amber);
  --pn-white: #eaf0f6;
}

/* ---------- 首屏 ---------- */
.page-news .report-hero {
  padding: 40px 0 72px;
}

.page-news .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 32px;
}

.page-news .crumb {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s var(--ease);
}

.page-news .crumb:hover,
.page-news .crumb:focus-visible {
  color: var(--cyan);
}

.page-news .hero-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: end;
}

.page-news .index-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  margin: 0 0 16px;
}

.page-news .hero-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 7vw, 58px);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: 0.04em;
  color: var(--text);
  margin: 0 0 20px;
  max-width: 14em;
}

.page-news .hero-lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0 0 28px;
  max-width: 38em;
}

.page-news .hero-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.page-news .hero-points li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.page-news .dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  clip-path: var(--shape-xs);
  background: var(--cyan);
  box-shadow: 0 0 10px currentColor;
}

.page-news .dot--amber { background: var(--amber); color: var(--amber); }
.page-news .dot--cyan { background: var(--cyan); color: var(--cyan); }
.page-news .dot--magenta { background: var(--magenta); color: var(--magenta); }

.page-news .hero-media {
  position: relative;
  overflow: hidden;
}

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

.page-news .hero-media::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--cyan-deep) 55%, transparent);
  pointer-events: none;
}

.page-news .media-caption {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- 栏目说明与筛选条 ---------- */
.page-news .filter-bar {
  position: sticky;
  top: 62px;
  z-index: 20;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 12px 0;
  margin-bottom: 28px;
  background: rgba(6, 8, 11, 0.94);
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
}

.page-news .filter-chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-decoration: none;
  background: var(--panel-soft);
  border: 1px solid var(--line);
  clip-path: var(--shape-xs);
  transition: color 0.15s var(--ease), border-color 0.15s var(--ease), background 0.15s var(--ease);
}

.page-news .filter-chip::before {
  content: "";
  width: 7px;
  height: 7px;
  background: currentColor;
  clip-path: var(--shape-xs);
}

.page-news .filter-chip--amber { color: var(--amber); }
.page-news .filter-chip--cyan { color: var(--cyan); }
.page-news .filter-chip--ghost { color: var(--text); }
.page-news .filter-chip--magenta { color: var(--magenta); }

.page-news .filter-chip:hover,
.page-news .filter-chip:focus-visible {
  color: var(--text);
  border-color: var(--text);
  background: var(--panel);
}

.page-news .filter-count {
  font-size: 11px;
  padding: 1px 6px;
  color: var(--ink);
  background: currentColor;
  clip-path: var(--shape-xs);
}

.page-news .filter-count::selection { background: var(--cyan); }

.page-news .column-notes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-news .column-note {
  padding: 22px 22px 20px;
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  clip-path: var(--shape-sm);
}

.page-news .column-note h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text);
}

.page-news .column-note p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .note-freq {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-news .column-note--amber { border-left-color: var(--amber); }
.page-news .column-note--cyan { border-left-color: var(--cyan); }
.page-news .column-note--white { border-left-color: var(--text); }
.page-news .column-note--magenta { border-left-color: var(--magenta); }

.page-news .column-note--amber h3 { color: var(--amber); }
.page-news .column-note--cyan h3 { color: var(--cyan); }
.page-news .column-note--white h3 { color: var(--text); }
.page-news .column-note--magenta h3 { color: var(--magenta); }

/* ---------- 置顶三条 ---------- */
.page-news .pin-banner {
  margin: 0 0 24px;
  overflow: hidden;
}

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

.page-news .pin-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-news .pin-card {
  position: relative;
  padding: 26px 22px 24px;
  background: linear-gradient(135deg, #12171d 0%, #0b1015 100%);
  clip-path: var(--shape-lg);
  overflow: hidden;
}

.page-news .pin-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--pin-accent, var(--cyan));
  box-shadow: 0 0 18px var(--pin-accent, var(--cyan));
}

.page-news .pin-card--amber { --pin-accent: var(--amber); }
.page-news .pin-card--cyan { --pin-accent: var(--cyan); }
.page-news .pin-card--white { --pin-accent: var(--magenta); }

.page-news .pin-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.page-news .pin-time {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-news .pin-title {
  margin: 0 0 12px;
  font-size: 21px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--text);
  max-width: 22em;
}

.page-news .pin-desc {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 44em;
}

.page-news .pin-facts {
  margin: 0;
  display: grid;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-news .pin-facts > div {
  display: grid;
  grid-template-columns: 4.5em 1fr;
  gap: 10px;
  font-size: 13px;
  line-height: 1.7;
}

.page-news .pin-facts dt {
  color: var(--muted);
  letter-spacing: 0.06em;
}

.page-news .pin-facts dd {
  margin: 0;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-news .inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-deep);
  transition: border-color 0.15s var(--ease), color 0.15s var(--ease);
}

.page-news .inline-link:hover,
.page-news .inline-link:focus-visible {
  color: var(--text);
  border-color: var(--text);
}

.page-news .pin-num {
  position: absolute;
  right: 18px;
  top: 8px;
  font-size: 64px;
  line-height: 1;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px var(--line);
  pointer-events: none;
  user-select: none;
}

/* ---------- 时间线条目 ---------- */
.page-news .block--rules { --tl-accent: var(--amber); }
.page-news .block--version { --tl-accent: var(--cyan); }
.page-news .block--adapt { --tl-accent: var(--text); }
.page-news .block--service { --tl-accent: var(--magenta); }

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

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(180deg, var(--tl-accent), transparent 88%);
  box-shadow: 0 0 12px var(--tl-accent);
  opacity: 0.6;
  animation: pn-flow 3.2s ease-in-out infinite;
}

@keyframes pn-flow {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 0.8; }
}

.page-news .tl-item {
  position: relative;
  padding-left: 34px;
  margin-bottom: 4px;
}

.page-news .tl-item::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 24px;
  width: 9px;
  height: 9px;
  background: var(--tl-accent);
  clip-path: var(--shape-xs);
  box-shadow: 0 0 12px var(--tl-accent);
}

.page-news .tl-item:last-child { margin-bottom: 0; }

.page-news .tl-entry {
  border-bottom: 1px solid var(--pn-line-soft);
}

.page-news .tl-summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 18px 46px 18px 0;
  display: block;
  transition: background 0.15s var(--ease);
}

.page-news .tl-summary::-webkit-details-marker { display: none; }
.page-news .tl-summary::marker { content: ""; }

.page-news .tl-summary::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 16px;
  width: 24px;
  height: 24px;
  line-height: 22px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--tl-accent);
  border: 1px solid var(--line);
  clip-path: var(--shape-xs);
  transition: transform 0.24s var(--ease), border-color 0.15s var(--ease);
}

.page-news .tl-entry[open] .tl-summary::after {
  content: "−";
  transform: rotate(180deg);
  border-color: var(--tl-accent);
}

.page-news .tl-summary:hover::after,
.page-news .tl-summary:focus-visible::after {
  border-color: var(--tl-accent);
}

.page-news .tl-summary:focus-visible {
  outline: 1px dashed var(--tl-accent);
  outline-offset: 4px;
}

.page-news .tl-badge {
  display: block;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--tl-accent);
  margin-bottom: 8px;
}

.page-news .tl-title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-news .tl-impact {
  display: block;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .tl-more {
  padding: 4px 30px 20px 0;
  animation: pn-slide 0.24s var(--ease) both;
}

@keyframes pn-slide {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-news .tl-more p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 46em;
}

.page-news .tl-link {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--tl-accent);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  transition: opacity 0.15s var(--ease);
}

.page-news .tl-link:hover,
.page-news .tl-link:focus-visible { opacity: 0.72; }

/* ---------- 版本与适配的图文编排 ---------- */
.page-news .split-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}

.page-news .adapt-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}

.page-news .version-figure,
.page-news .adapt-figure {
  margin: 0;
  overflow: hidden;
}

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

.page-news .version-figure {
  border-top: 2px solid var(--cyan);
  padding-top: 2px;
}

.page-news .adapt-figure {
  border-top: 2px solid var(--text);
  padding-top: 2px;
}

/* ---------- 反馈区 ---------- */
.page-news .feedback-section {
  padding-bottom: 96px;
}

.page-news .feedback-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding: 32px 24px;
  background:
    radial-gradient(circle at 88% 12%, rgba(41, 231, 240, 0.14), transparent 55%),
    linear-gradient(160deg, #12171d 0%, #080b10 100%);
  clip-path: var(--shape-lg);
  border: 1px solid var(--line);
}

.page-news .feedback-copy h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 300;
  letter-spacing: 0.04em;
  line-height: 1.3;
  color: var(--text);
}

.page-news .feedback-copy p {
  margin: 0 0 22px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 36em;
}

.page-news .feedback-meta {
  display: grid;
  gap: 14px;
  align-content: start;
  padding-top: 4px;
  border-top: 1px solid var(--line);
}

.page-news .meta-row {
  display: grid;
  grid-template-columns: 5.5em 1fr;
  gap: 10px;
  font-size: 13px;
  line-height: 1.7;
  padding-top: 12px;
  border-top: 1px solid var(--pn-line-soft);
}

.page-news .meta-row:first-child { border-top: 0; padding-top: 4px; }

.page-news .meta-label {
  color: var(--muted);
  letter-spacing: 0.08em;
}

.page-news .meta-value {
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-news .meta-note {
  margin: 6px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .report-hero { padding-top: 56px; }
  .page-news .column-notes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-news .pin-card { padding: 30px 32px 28px; }
  .page-news .pin-title { font-size: 23px; }
  .page-news .pin-num { font-size: 88px; right: 26px; top: 6px; }
  .page-news .feedback-panel { padding: 44px 40px; }
  .page-news .feedback-meta { border-top: 0; border-left: 1px solid var(--line); padding-left: 32px; padding-top: 0; }
  .page-news .meta-row:first-child { padding-top: 12px; border-top: 1px solid var(--pn-line-soft); }
}

@media (min-width: 960px) {
  .page-news .hero-split {
    grid-template-columns: 6fr 5fr;
    gap: 56px;
  }
  .page-news .hero-copy { padding-bottom: 24px; }
  .page-news .filter-bar { top: 68px; }
  .page-news .column-notes { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-news .pin-card { padding: 34px 40px 30px; }
  .page-news .split-block { grid-template-columns: 7fr 5fr; gap: 48px; }
  .page-news .adapt-layout { grid-template-columns: 7fr 5fr; gap: 48px; }
  .page-news .version-figure { position: sticky; top: 132px; }
  .page-news .feedback-panel { grid-template-columns: 6fr 5fr; gap: 48px; }
}

@media (max-width: 480px) {
  .page-news .pin-facts > div { grid-template-columns: 1fr; gap: 2px; }
  .page-news .meta-row { grid-template-columns: 1fr; gap: 2px; }
  .page-news .pin-num { font-size: 48px; right: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .timeline::before { animation: none; opacity: 0.55; }
  .page-news .tl-more { animation: none; }
  .page-news .tl-summary::after { transition: none; }
}