.page-news {
  --edge: rgba(58, 74, 75, 0.16);
  --edge-light: rgba(245, 240, 230, 0.18);
  background: var(--sand);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-news .obs-head {
  position: relative;
  background: var(--deep);
  color: var(--sand);
  padding: clamp(18px, 3.2vw, 32px) 0 clamp(64px, 9vw, 104px);
  overflow: hidden;
}
.page-news .obs-head::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(90% 70% at 92% 0%, rgba(16, 191, 176, 0.3), transparent 62%),
    repeating-linear-gradient(112deg, rgba(111, 247, 228, 0.07) 0 1px, transparent 1px 46px);
  pointer-events: none;
}
.page-news .obs-head::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: clamp(34px, 5vw, 62px);
  background: var(--sand);
  clip-path: polygon(0 100%, 100% 28%, 100% 100%);
}
.page-news .obs-head-inner {
  position: relative;
  z-index: 1;
}
.page-news .obs-head .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
}
.page-news .obs-head .breadcrumb li + li::before {
  content: "/";
  color: rgba(245, 240, 230, 0.4);
  margin-right: 0.45rem;
}
.page-news .obs-head .breadcrumb a {
  color: rgba(245, 240, 230, 0.72);
  text-decoration: none;
}
.page-news .obs-head .breadcrumb a:hover {
  color: var(--fluor);
}
.page-news .obs-head .breadcrumb [aria-current="page"] {
  color: var(--fluor);
}
.page-news .obs-head .eyebrow {
  margin: clamp(18px, 3vw, 30px) 0 0;
  color: var(--fluor);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
}
.page-news .obs-head h1 {
  margin: 0.7rem 0 0;
  font-size: clamp(2rem, 6.6vw, 4.4rem);
  line-height: 1.08;
  font-weight: 200;
  letter-spacing: -0.02em;
  max-width: 20ch;
  color: var(--sand);
}
.page-news .obs-head h1 strong {
  display: inline-block;
  font-weight: 900;
  font-style: normal;
  color: var(--fluor);
  transform: rotate(-2.5deg);
}
.page-news .obs-head .lead {
  margin: 1.1rem 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(245, 240, 230, 0.82);
}

.page-news .head-meta {
  list-style: none;
  margin: clamp(26px, 4vw, 46px) 0 0;
  padding: 16px 0 0;
  display: grid;
  gap: 12px;
  border-top: 1px solid var(--edge-light);
}
.page-news .head-meta li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.55rem;
}
.page-news .meta-key {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
}
.page-news .meta-val {
  font-size: 14px;
  color: rgba(245, 240, 230, 0.86);
}

@media (min-width: 760px) {
  .page-news .head-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
  .page-news .head-meta li {
    flex-direction: column;
    gap: 0.35rem;
  }
}

/* ---------- 通用分区 ---------- */
.page-news .obs-section {
  position: relative;
  padding-block: clamp(46px, 7vw, 88px);
}
.page-news .sec-head {
  max-width: 46rem;
  margin-bottom: clamp(22px, 3.5vw, 38px);
}
.page-news .sec-head .eyebrow {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--teal-deep);
}
.page-news .section-title {
  margin: 0.55rem 0 0;
  font-size: clamp(1.45rem, 3.6vw, 2.5rem);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.page-news .sec-lead {
  margin: 0.85rem 0 0;
  max-width: 38em;
  font-size: clamp(14.5px, 1.5vw, 16px);
  line-height: 1.8;
  color: var(--rock);
}

/* ---------- 专题头图 ---------- */
.page-news .obs-hero {
  margin: 0 0 clamp(26px, 4vw, 46px);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--deep-2);
}
.page-news .obs-hero img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 5;
  object-fit: cover;
}

/* ---------- 专题带 ---------- */
.page-news .bands {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}
.page-news .band {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 24px 22px 26px;
  background: var(--paper);
  border: 1px solid var(--edge);
  border-radius: var(--r-lg) var(--r-lg) var(--r-lg) 8px;
}
.page-news .band--regular {
  border-top: 4px solid var(--teal);
}
.page-news .band--post {
  border-top: 4px solid var(--moss);
}
.page-news .band--off {
  border-top: 4px solid var(--clay);
}
.page-news .band-num {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--rock);
}
.page-news .band-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 800;
}
.page-news .band-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--rock);
}
.page-news .band-meta {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--edge);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--teal-deep);
}
@media (min-width: 860px) {
  .page-news .bands {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }
  .page-news .band:nth-child(2) {
    transform: translateY(22px);
  }
}

/* ---------- 分类带 ---------- */
.page-news .obs-filter {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  margin-bottom: clamp(6px, 1.6vw, 14px);
  background: var(--sand);
  border-bottom: 1px solid var(--edge);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.page-news .filter-label {
  flex: 0 0 auto;
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--rock);
}
.page-news .filter-list {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-news .chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--edge);
  background: var(--paper);
  color: var(--rock);
  font-size: 13px;
  text-decoration: none;
  transition: background 0.22s var(--ease), color 0.22s var(--ease), transform 0.22s var(--ease);
}
.page-news .chip::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mist);
}
.page-news .chip--seg::before { background: var(--teal); }
.page-news .chip--data::before { background: var(--coral); }
.page-news .chip--ver::before { background: var(--clay); }
.page-news .chip--guide::before { background: var(--moss); }
.page-news .chip:hover {
  transform: translateY(-2px);
  color: var(--ink);
  border-color: var(--teal);
}
.page-news .chip.is-active {
  background: var(--deep);
  border-color: var(--deep);
  color: var(--sand);
}

/* ---------- 条目 + 侧栏 ---------- */
.page-news .ledger-grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}
@media (min-width: 1000px) {
  .page-news .ledger-grid {
    grid-template-columns: minmax(0, 1fr) 296px;
    align-items: start;
  }
}

.page-news .entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-news .entry {
  display: grid;
  gap: 10px 20px;
  padding: 22px 0 24px 16px;
  border-top: 1px solid var(--edge);
  border-left: 3px solid transparent;
  transition: border-left-color 0.22s var(--ease), background 0.22s var(--ease);
}
.page-news .entry:last-child {
  border-bottom: 1px solid var(--edge);
}
.page-news .entry--seg { border-left-color: var(--teal); }
.page-news .entry--data { border-left-color: var(--coral); }
.page-news .entry--ver { border-left-color: var(--clay); }
.page-news .entry--guide { border-left-color: var(--moss); }

.page-news .entry-mark {
  display: flex;
  align-items: center;
  gap: 10px;
}
.page-news .entry-num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--rock);
}
.page-news .ftag {
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 3px 9px;
  border-radius: 999px;
}
.page-news .ftag--seg {
  background: rgba(16, 191, 176, 0.16);
  color: var(--teal-deep);
}
.page-news .ftag--data {
  background: rgba(255, 106, 61, 0.16);
  color: var(--coral-deep);
}
.page-news .ftag--ver {
  background: rgba(185, 106, 68, 0.18);
  color: var(--clay-deep);
}
.page-news .ftag--guide {
  background: var(--moss-tint);
  color: #3d5a40;
}

.page-news .entry-title {
  margin: 0;
  font-size: clamp(1.05rem, 2.4vw, 1.38rem);
  line-height: 1.38;
  font-weight: 800;
}
.page-news .entry-text {
  margin: 0.5rem 0 0;
  max-width: 40em;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--rock);
}

.page-news .entry-more {
  margin-top: 0.7rem;
}
.page-news .entry-more summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--teal-deep);
}
.page-news .entry-more summary::-webkit-details-marker {
  display: none;
}
.page-news .entry-more summary::after {
  content: "+";
  font-size: 14px;
  line-height: 1;
}
.page-news .entry-more[open] summary::after {
  content: "−";
}
.page-news .entry-more ul {
  margin: 0.6rem 0 0;
  padding-left: 1.1rem;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--rock);
}
.page-news .entry-more li + li {
  margin-top: 0.3rem;
}

.page-news .entry-thumb {
  margin: 0;
}
.page-news .entry-thumb img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--r-md);
}

@media (min-width: 700px) {
  .page-news .entry {
    grid-template-columns: 132px minmax(0, 1fr);
  }
  .page-news .entry-mark {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding-top: 2px;
  }
  .page-news .entry .entry-thumb {
    grid-column: 2;
    max-width: 260px;
  }
}
@media (min-width: 1000px) {
  .page-news .entry--thumb {
    grid-template-columns: 132px minmax(0, 1fr) 180px;
  }
  .page-news .entry--thumb .entry-thumb {
    grid-column: auto;
    max-width: none;
  }
}

/* ---------- 侧栏 ---------- */
.page-news .obs-aside {
  display: grid;
  gap: 14px;
}
@media (min-width: 1000px) {
  .page-news .obs-aside {
    position: sticky;
    top: 20px;
  }
}
.page-news .aside-card {
  padding: 18px 18px 20px;
  background: var(--paper);
  border: 1px solid var(--edge);
  border-radius: var(--r-md);
}
.page-news .aside-kicker {
  margin: 0 0 0.6rem;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal-deep);
}
.page-news .aside-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}
.page-news .aside-list a {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 8px;
  padding: 9px 6px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--ink);
  text-decoration: none;
  border-radius: var(--r-sm);
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.page-news .aside-list a:hover {
  background: var(--sand-2);
  color: var(--teal-deep);
}
.page-news .aside-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--rock);
  padding-top: 2px;
}
.page-news .aside-card--deep {
  background: var(--deep);
  border-color: transparent;
  color: var(--sand);
}
.page-news .aside-card--deep .aside-kicker {
  color: var(--fluor);
}
.page-news .aside-text {
  margin: 0 0 0.9rem;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(245, 240, 230, 0.82);
}

/* ---------- 看点拆解 ---------- */
.page-news .sec-head--split {
  max-width: none;
  display: grid;
  gap: 1rem;
}
@media (min-width: 860px) {
  .page-news .sec-head--split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
    gap: 2rem;
  }
  .page-news .sec-head--split .sec-lead {
    margin: 0;
  }
}
.page-news .breakdown {
  display: grid;
  gap: 16px;
}
.page-news .steps3 {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-news .steps3 li {
  padding: 20px 20px 22px;
  background: var(--paper);
  border-radius: var(--r-md);
  border-left: 3px solid var(--moss);
}
.page-news .step-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--clay);
}
.page-news .steps3 h3 {
  margin: 0.4rem 0 0.45rem;
  font-size: 1.05rem;
  font-weight: 800;
}
.page-news .steps3 p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--rock);
}
.page-news .breakdown-note {
  padding: 18px 20px;
  background: var(--moss-tint);
  border-radius: var(--r-md);
}
.page-news .breakdown-note .eyebrow {
  margin: 0 0 0.4rem;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--moss);
}
.page-news .breakdown-note p:last-child {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--rock);
}
@media (min-width: 860px) {
  .page-news .steps3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 深色版本区 ---------- */
.page-news .obs-section--deep {
  background: var(--deep);
  color: var(--sand);
}
.page-news .obs-section--deep .eyebrow {
  color: var(--fluor);
}
.page-news .obs-section--deep .section-title {
  color: var(--sand);
}
.page-news .obs-section--deep .sec-lead {
  color: rgba(245, 240, 230, 0.75);
}
.page-news .version-layout {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}
@media (min-width: 900px) {
  .page-news .version-layout {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    align-items: start;
  }
}
.page-news .timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-news .tl-item {
  position: relative;
  padding: 0 0 26px 30px;
  border-left: 1px solid var(--edge-light);
}
.page-news .tl-item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}
.page-news .tl-item::before {
  content: "";
  position: absolute;
  left: -5.5px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--fluor);
}
.page-news .tl-item:last-child::before {
  background: var(--coral);
}
.page-news .tl-key {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--teal);
}
.page-news .tl-item h3 {
  margin: 0.32rem 0 0.42rem;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--sand);
}
.page-news .tl-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(245, 240, 230, 0.75);
}
.page-news .vstats {
  margin: 0;
  display: grid;
  gap: 12px;
}
.page-news .vstats > div {
  padding-top: 10px;
  border-top: 1px solid var(--edge-light);
}
.page-news .vstats dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}
.page-news .vstats dd {
  margin: 0.3rem 0 0;
  font-family: var(--mono);
  font-size: 1.35rem;
  color: var(--sand);
}
.page-news .version-foot {
  margin: clamp(24px, 4vw, 38px) 0 0;
  max-width: 44em;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(245, 240, 230, 0.7);
}

/* ---------- 追更 ---------- */
.page-news .follow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-news .follow-steps li {
  padding: 20px 20px 22px;
  background: var(--paper);
  border: 1px solid var(--edge);
  border-radius: var(--r-md);
}
.page-news .fs-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--coral-deep);
}
.page-news .follow-steps h3 {
  margin: 0.4rem 0 0.4rem;
  font-size: 1.05rem;
  font-weight: 800;
}
.page-news .follow-steps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--rock);
}
.page-news .follow-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}
@media (min-width: 860px) {
  .page-news .follow-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 选题来源 ---------- */
.page-news .source-layout {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}
@media (min-width: 900px) {
  .page-news .source-layout {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }
}
.page-news .source-figure {
  margin: 0;
}
.page-news .source-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--r-lg);
}
.page-news .source-figure .figure-cap {
  margin-top: 0.65rem;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--rock);
}
.page-news .source-copy > p:first-of-type {
  margin: 0.8rem 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--rock);
}
.page-news .source-list {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-news .source-list li {
  padding-top: 10px;
  border-top: 1px solid var(--edge);
}
.page-news .source-list h3 {
  margin: 0 0 0.3rem;
  font-size: 1rem;
  font-weight: 800;
}
.page-news .source-list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--rock);
}
.page-news .source-foot {
  margin: 1.1rem 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--rock);
}

/* ---------- 尾部路径 ---------- */
.page-news .obs-tail {
  background: var(--stone);
  padding-block: clamp(40px, 6vw, 72px);
}
.page-news .obs-tail h2 {
  margin: 0 0 1.2rem;
  font-size: clamp(1.2rem, 2.6vw, 1.7rem);
  font-weight: 800;
}
.page-news .tail-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
@media (min-width: 820px) {
  .page-news .tail-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.page-news .tail-links a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 16px 18px;
  background: var(--paper);
  border-radius: var(--r-md);
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.24s var(--ease), background 0.24s var(--ease), color 0.24s var(--ease);
}
.page-news .tail-links a:hover {
  transform: translateX(4px);
  background: var(--deep);
  color: var(--sand);
}
.page-news .tail-arrow {
  font-family: var(--mono);
  color: var(--coral);
}
.page-news .tail-links a:hover .tail-arrow {
  color: var(--fluor);
}