.page-news {
  --news-aside: 240px;
  --news-gap: clamp(18px, 2.4vw, 30px);
  --news-rule: 1px solid var(--line-600);
  display: block;
  position: relative;
  padding-top: var(--sp-2);
  padding-bottom: var(--sp-5);
  color: var(--ink-100);
  background:
    radial-gradient(110% 52% at 88% -6%, rgba(20, 227, 212, 0.10), transparent 62%),
    radial-gradient(80% 46% at -6% 34%, rgba(47, 191, 143, 0.07), transparent 66%);
}

/* ---------- 面包屑 ---------- */
.page-news .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 10px 0 2px;
  font-size: 13px;
  color: var(--ink-muted-400);
}
.page-news .crumbs a {
  color: var(--ink-muted-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.page-news .crumbs a:hover {
  color: var(--electric-cyan-400);
  border-bottom-color: var(--electric-cyan-400);
}
.page-news .crumbs [aria-current="page"] {
  color: var(--ink-100);
}

/* ---------- 页首 ---------- */
.page-news .news-masthead {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding: clamp(22px, 4vw, 48px) 0 clamp(30px, 5vw, 62px);
}
.page-news .news-masthead::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6%;
  width: 62%;
  height: 88%;
  background: linear-gradient(140deg, rgba(20, 227, 212, 0.15), rgba(20, 227, 212, 0) 68%);
  clip-path: polygon(0 0, 100% 0, 34% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}
.page-news .news-masthead > * {
  position: relative;
  z-index: 1;
}
.page-news .masthead-kicker {
  margin: 0 0 14px;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--ink-muted-400);
}
.page-news .masthead-kicker .mono {
  color: var(--electric-cyan-400);
}
.page-news .masthead-copy h1 {
  margin: 0 0 18px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(30px, 5.6vw, 56px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--ink-100);
}
.page-news .masthead-lead {
  margin: 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--ink-muted-400);
}
.page-news .masthead-meta {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(142px, 1fr));
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
}
.page-news .masthead-meta li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px 14px;
  border: var(--news-rule);
  border-radius: 14px;
  background: rgba(10, 33, 53, 0.72);
}
.page-news .meta-k {
  font-size: 12px;
  color: var(--ink-muted-400);
}
.page-news .meta-v {
  font-size: 17px;
  color: var(--electric-cyan-400);
}

/* ---------- 通用媒体框 ---------- */
.page-news .media-frame {
  position: relative;
  margin: 0;
  border: var(--news-rule);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--deep-core-800);
}
.page-news .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-news .media-caption {
  display: block;
  padding: 10px 14px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--ink-muted-400);
  background: var(--deep-core-800);
  border-top: var(--news-rule);
}
.page-news .masthead-media {
  align-self: end;
}

/* ---------- 章节骨架 ---------- */
.page-news .section {
  position: relative;
  padding: clamp(34px, 6vw, 74px) 0;
}
.page-news .section + .section::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 10px;
  border-radius: 0 0 999px 999px / 0 0 10px 10px;
  background: linear-gradient(90deg, rgba(20, 227, 212, 0.55), rgba(20, 227, 212, 0.06) 46%, rgba(47, 191, 143, 0.4));
  opacity: 0.55;
}
.page-news .section-head {
  display: grid;
  gap: 10px;
  max-width: 72ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}
.page-news .sec-index {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--electric-cyan-400);
}
.page-news .sec-title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.26;
  color: var(--ink-100);
}
.page-news .sec-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-muted-400);
}

/* ---------- 季度刻度 ---------- */
.page-news .gauge-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.page-news .gauge-node a {
  display: block;
  padding: 18px 16px;
  border: var(--news-rule);
  border-radius: 16px;
  background: var(--deep-core-800);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.18s ease, background-color 0.18s ease, transform 0.18s ease;
}
.page-news .gauge-node a:hover {
  border-color: var(--electric-cyan-400);
  transform: translateY(-2px);
}
.page-news .gauge-node.is-current a {
  border-color: var(--electric-cyan-400);
  background: rgba(20, 227, 212, 0.07);
}
.page-news .gauge-dot {
  display: block;
  width: 12px;
  height: 12px;
  margin-bottom: 12px;
  border-radius: 50%;
  background: var(--line-600);
}
.page-news .gauge-node.is-current .gauge-dot {
  background: var(--electric-cyan-400);
  box-shadow: 0 0 0 5px rgba(20, 227, 212, 0.18);
}
.page-news .gauge-name {
  display: block;
  font-size: 15px;
  color: var(--ink-100);
}
.page-news .gauge-time {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  color: var(--ink-muted-400);
}

/* ---------- 档案卡基础 ---------- */
.page-news .file-card {
  border: var(--news-rule);
  border-radius: var(--radius-card);
  background: var(--deep-core-800);
}
.page-news .file-tab {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: var(--news-rule);
  background: rgba(5, 18, 30, 0.5);
}
.page-news .file-tab .tab-idx {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--ink-muted-400);
}
.page-news .file-tab .tag {
  padding: 3px 10px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-pill);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--ink-muted-400);
}
.page-news .file-tab .tab-time {
  margin-left: auto;
  font-size: 11.5px;
  color: var(--ink-muted-400);
}

/* ---------- 口径说明卡 ---------- */
.page-news .rate-card {
  position: relative;
  overflow: hidden;
}
.page-news .rate-card::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20, 227, 212, 0.16), rgba(20, 227, 212, 0) 68%);
  pointer-events: none;
}
.page-news .rate-card .file-tab .tag {
  color: var(--electric-cyan-400);
  border-color: rgba(20, 227, 212, 0.5);
}
.page-news .rate-body {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
  padding: 22px;
}
.page-news .rate-copy .file-title {
  margin: 0 0 14px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: clamp(18px, 2.4vw, 23px);
  line-height: 1.44;
  color: var(--ink-100);
}
.page-news .rate-copy .file-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-muted-400);
}
.page-news .rate-points {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-news .rate-points li {
  display: grid;
  gap: 5px;
  padding: 12px 14px;
  border-left: 3px solid var(--electric-cyan-400);
  border-radius: 0 12px 12px 0;
  background: rgba(5, 18, 30, 0.55);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-muted-400);
}
.page-news .pt-k {
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--electric-cyan-400);
}
.page-news .rate-link {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-muted-400);
}
.page-news .rate-link a {
  color: var(--electric-cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(20, 227, 212, 0.4);
}
.page-news .rate-link a:hover {
  border-bottom-color: var(--electric-cyan-400);
}

/* ---------- 条目流布局 ---------- */
.page-news .ledger-grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
}
.page-news .ledger-aside {
  display: grid;
  gap: 18px;
}
.page-news .news-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-news .filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: var(--news-rule);
  border-radius: var(--radius-pill);
  background: var(--deep-core-800);
  color: var(--ink-100);
  font-family: inherit;
  font-size: 13.5px;
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease, background-color 0.18s ease;
}
.page-news .filter-btn:hover {
  border-color: var(--electric-cyan-400);
}
.page-news .filter-btn .filter-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted-400);
}
.page-news .filter-btn[aria-pressed="true"] {
  border-color: var(--electric-cyan-400);
  color: var(--electric-cyan-400);
  background: rgba(20, 227, 212, 0.08);
}
.page-news .filter-btn[aria-pressed="true"] .filter-idx {
  color: var(--electric-cyan-400);
}

.page-news .series-nav {
  padding: 16px;
  border: var(--news-rule);
  border-radius: 16px;
  background: rgba(10, 33, 53, 0.6);
}
.page-news .series-nav-head {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-muted-400);
}
.page-news .series-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}
.page-news .series-nav a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  border-left: 3px solid transparent;
  border-radius: 0 10px 10px 0;
  color: var(--ink-100);
  font-size: 14px;
  text-decoration: none;
  transition: background-color 0.18s ease, border-color 0.18s ease;
}
.page-news .series-nav a:hover {
  background: rgba(20, 227, 212, 0.09);
  border-left-color: var(--electric-cyan-400);
}
.page-news .series-nav .mono {
  font-size: 11.5px;
  color: var(--electric-cyan-400);
}

/* ---------- 条目卡 ---------- */
.page-news .ledger-stream {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
  align-items: start;
}
.page-news .news-item {
  display: flex;
  flex-direction: column;
  padding: 0;
  border-left: 3px solid var(--line-600);
  background: linear-gradient(180deg, var(--deep-core-800), rgba(10, 33, 53, 0.66));
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.page-news .news-item:hover {
  transform: translateY(-3px);
}
.page-news .news-item.is-compare {
  border-left-color: var(--electric-cyan-400);
}
.page-news .news-item.is-verify {
  border-left-color: var(--jade-500);
}
.page-news .news-item.is-timing {
  border-left-color: var(--ink-muted-400);
}
.page-news .news-item.is-series {
  border-left-color: var(--cyan-light-200);
}
.page-news .news-item .file-tab .tag {
  margin-left: auto;
}
.page-news .news-item.is-compare .file-tab .tag {
  color: var(--electric-cyan-400);
  border-color: rgba(20, 227, 212, 0.5);
}
.page-news .news-item.is-verify .file-tab .tag {
  color: var(--jade-500);
  border-color: rgba(47, 191, 143, 0.5);
}
.page-news .news-item.is-timing .file-tab .tag {
  color: var(--cyan-light-200);
  border-color: rgba(127, 242, 230, 0.4);
}
.page-news .news-item.is-series .file-tab .tag {
  color: var(--ink-100);
  border-color: var(--line-600);
}
.page-news .news-item .file-body {
  display: grid;
  gap: 10px;
  padding: 18px 18px 20px;
}
.page-news .news-time {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--ink-muted-400);
}
.page-news .news-item .file-title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: clamp(16.5px, 1.9vw, 19px);
  line-height: 1.5;
  color: var(--ink-100);
}
.page-news .news-item .file-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-muted-400);
}
.page-news .news-more {
  margin-top: 2px;
  padding-top: 11px;
  border-top: 1px dashed var(--line-600);
}
.page-news .news-more summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  font-size: 13px;
  color: var(--electric-cyan-400);
  cursor: pointer;
}
.page-news .news-more summary::-webkit-details-marker {
  display: none;
}
.page-news .news-more summary::before {
  content: "+";
  font-family: var(--font-mono);
}
.page-news .news-more[open] summary::before {
  content: "\2212";
}
.page-news .news-more p {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--ink-muted-400);
}
.page-news [data-filter-item].is-filtered-out {
  display: none;
}

/* ---------- 专题系列 ---------- */
.page-news .series-media {
  margin-bottom: clamp(22px, 3.4vw, 36px);
}
.page-news .series-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
  align-items: start;
}
.page-news .series-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  border-top: 3px solid var(--line-600);
}
.page-news #series-rate {
  border-top-color: var(--electric-cyan-400);
}
.page-news #series-region {
  border-top-color: var(--jade-500);
}
.page-news #series-training {
  border-top-color: var(--cyan-light-200);
}
.page-news .series-code {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--ink-muted-400);
}
.page-news .series-card h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.35;
  color: var(--ink-100);
}
.page-news .series-freq {
  margin: 0;
  font-size: 12.5px;
  color: var(--cyan-light-200);
}
.page-news .series-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--ink-muted-400);
}
.page-news .series-order {
  list-style: none;
  counter-reset: ord;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-news .series-order li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 8px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-100);
}
.page-news .series-order li::before {
  counter-increment: ord;
  content: counter(ord, decimal-leading-zero);
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted-400);
}

/* ---------- 回看与更新节点 ---------- */
.page-news .review-grid {
  display: grid;
  gap: clamp(22px, 4vw, 42px);
  align-items: start;
}
.page-news .review-copy p {
  margin: 0 0 15px;
  font-size: 15px;
  line-height: 1.88;
  color: var(--ink-muted-400);
}
.page-news .review-copy a {
  color: var(--electric-cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(20, 227, 212, 0.4);
}
.page-news .review-copy a:hover {
  border-bottom-color: var(--electric-cyan-400);
}
.page-news .review-steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-news .review-steps li {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border: var(--news-rule);
  border-radius: 14px;
  background: rgba(10, 33, 53, 0.55);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--ink-muted-400);
}
.page-news .review-steps .mono {
  font-size: 12.5px;
  color: var(--electric-cyan-400);
}
.page-news .review-quote {
  margin: 0;
  padding: 22px 22px 24px;
  border-left: 3px solid var(--electric-cyan-400);
  border-radius: 0 18px 18px 0;
  background: rgba(10, 33, 53, 0.7);
  font-family: var(--font-serif);
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.65;
  color: var(--ink-100);
}

/* ---------- 动效 ---------- */
.page-news [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.page-news [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-news .gauge-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }
  .page-news .ledger-stream {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .news-item:nth-child(even) {
    margin-top: 52px;
  }
  .page-news .news-item:nth-child(4n + 3) {
    margin-top: 26px;
  }
}

@media (min-width: 960px) {
  .page-news .news-masthead {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }
  .page-news .rate-body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    padding: 26px 26px 28px;
  }
  .page-news .review-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
  .page-news .series-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }
  .page-news .series-card:nth-child(1) {
    grid-column: span 5;
  }
  .page-news .series-card:nth-child(2) {
    grid-column: span 4;
    margin-top: 38px;
  }
  .page-news .series-card:nth-child(3) {
    grid-column: span 3;
    margin-top: 78px;
  }
}

@media (min-width: 1020px) {
  .page-news .ledger-grid {
    grid-template-columns: var(--news-aside) minmax(0, 1fr);
    align-items: start;
  }
  .page-news .ledger-aside {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }
  .page-news .news-filters {
    flex-direction: column;
    align-items: stretch;
  }
  .page-news .filter-btn {
    justify-content: flex-start;
  }
}

@media (max-width: 400px) {
  .page-news .masthead-meta {
    grid-template-columns: 1fr;
  }
  .page-news .news-item .file-body {
    padding: 16px 15px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .page-news .news-item,
  .page-news .gauge-node a,
  .page-news .filter-btn {
    transition: none;
  }
  .page-news .news-item:hover,
  .page-news .gauge-node a:hover {
    transform: none;
  }
}