.page-news {
  --news-gap: 88px;
  --news-line: rgba(201, 211, 218, 0.2);
  --news-line-strong: rgba(201, 211, 218, 0.4);
  --news-panel: rgba(18, 40, 63, 0.62);
  --news-body: rgba(247, 250, 252, 0.78);

  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.75;
  padding-top: calc(var(--header-h) + 28px);
  padding-bottom: 64px;
  overflow-x: hidden;
}

@media (min-width: 768px) {
  .page-news {
    --news-gap: 120px;
    padding-top: calc(var(--header-h) + 56px);
    padding-bottom: 96px;
  }
}

.page-news [id] {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-news .notes-section {
  margin-top: var(--news-gap);
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumbs {
  margin-bottom: 40px;
}

.page-news .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-news .breadcrumbs__item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-news .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  color: var(--slate);
}

.page-news .breadcrumbs__link {
  color: var(--ice);
  text-decoration: none;
}

.page-news .breadcrumbs__link:hover,
.page-news .breadcrumbs__link:focus-visible {
  color: var(--copper-2);
}

/* ---------- 首屏 ---------- */
.page-news .notes-hero {
  display: grid;
  gap: 36px;
  padding-bottom: 48px;
  border-bottom: 4px solid var(--copper);
}

@media (min-width: 1024px) {
  .page-news .notes-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    align-items: start;
    padding-bottom: 64px;
  }
}

.page-news .notes-hero .eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--copper-2);
}

.page-news .notes-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 5.4vw, 58px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-news .notes-hero__lead {
  margin: 24px 0 0;
  max-width: 48ch;
  font-size: 16px;
  color: var(--news-body);
}

.page-news .notes-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 小标签 ---------- */
.page-news .tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border: 1px solid currentColor;
  border-radius: var(--radius);
  background: transparent;
  font-family: var(--font-sans);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.page-news .tag--service {
  color: var(--copper-2);
}

.page-news .tag--guide {
  color: var(--ice);
}

.page-news .tag--notice {
  color: var(--line);
}

/* ---------- 本期要点面板 ---------- */
.page-news .notes-brief {
  padding: 26px 22px;
  background: var(--paper);
  border-top: 4px solid var(--copper);
  border-radius: var(--radius);
  color: var(--ink);
  font-family: var(--font-sans);
}

.page-news .notes-brief__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(11, 26, 43, 0.18);
}

.page-news .notes-brief__head .mono {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
}

.page-news .notes-brief__head strong {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: -0.01em;
}

.page-news .notes-brief__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: brief;
}

.page-news .notes-brief__list li {
  position: relative;
  padding: 14px 0 14px 34px;
  border-bottom: 1px solid rgba(11, 26, 43, 0.1);
  font-size: 14.5px;
  line-height: 1.7;
  counter-increment: brief;
}

.page-news .notes-brief__list li:last-child {
  border-bottom: 0;
  padding-bottom: 4px;
}

.page-news .notes-brief__list li::before {
  content: counter(brief, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--copper);
}

.page-news .notes-brief__link {
  display: inline-block;
  margin-top: 6px;
  font-size: 14px;
  color: var(--ice-2);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-news .notes-brief__link:hover,
.page-news .notes-brief__link:focus-visible {
  color: var(--copper);
}

/* ---------- 图片容器 ---------- */
.page-news .image-frame {
  margin: 0;
}

.page-news .image-frame__canvas {
  display: block;
  overflow: hidden;
  border: 1px solid var(--news-line-strong);
  border-radius: var(--radius);
  background: var(--ink-2);
}

.page-news .image-frame__canvas img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.6) contrast(1.05) brightness(0.86);
}

.page-news .image-frame__caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-news .notes-banner {
  margin-top: 48px;
}

.page-news .notes-banner .image-frame__canvas {
  aspect-ratio: 4 / 3;
}

@media (min-width: 768px) {
  .page-news .notes-banner {
    margin-top: 64px;
  }

  .page-news .notes-banner .image-frame__canvas {
    aspect-ratio: 21 / 9;
  }
}

/* ---------- 页内章节导航 ---------- */
.page-news .notes-toc {
  display: flex;
  gap: 8px;
  margin-top: 40px;
  padding: 18px 0 4px;
  border-bottom: 1px solid var(--news-line);
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-news .notes-toc a {
  flex: 0 0 auto;
  padding: 7px 14px;
  border: 1px solid var(--news-line-strong);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--line);
  text-decoration: none;
  white-space: nowrap;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-news .notes-toc a:hover {
  border-color: var(--copper-2);
  color: var(--copper-2);
}

.page-news .notes-toc a:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 2px;
}

/* ---------- 章节标题 ---------- */
.page-news .section-head {
  display: grid;
  gap: 10px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--copper);
}

.page-news .section-head__index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--copper-2);
}

.page-news .section-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-news .section-head__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  color: var(--news-body);
}

/* ---------- 栏目筛选 ---------- */
.page-news .notes-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
}

.page-news .notes-filters__label {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-news .notes-filter {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 13px;
  border: 1px solid var(--news-line-strong);
  border-radius: var(--radius);
  background: var(--news-panel);
  font-family: var(--font-sans);
  font-size: 13.5px;
  color: var(--text);
  text-decoration: none;
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}

.page-news .notes-filter:hover {
  border-color: var(--copper-2);
  transform: translateY(-2px);
}

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

.page-news .notes-filter .mono {
  font-size: 12px;
  color: var(--copper-2);
}

/* ---------- 栏目分组 ---------- */
.page-news .notes-group {
  margin-top: 56px;
}

.page-news .notes-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--news-line-strong);
}

.page-news .notes-group__head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-news .notes-group__head .mono {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--slate);
}

.page-news .notes-list {
  margin: 0;
  padding: 0;
}

/* ---------- 条目 ---------- */
.page-news .notes-entry {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  padding: 22px 0;
  border-bottom: 1px solid var(--news-line);
  transition: border-color 200ms var(--ease);
}

.page-news .notes-entry:hover {
  border-bottom-color: var(--copper);
}

.page-news .notes-entry__issue {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--copper-2);
}

.page-news .notes-entry__title {
  flex: 1 1 100%;
  margin: 4px 0 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-news .notes-entry__summary {
  flex: 1 1 100%;
  margin: 0;
  font-size: 15px;
  color: var(--news-body);
}

.page-news .notes-entry__more {
  flex: 1 1 100%;
  margin-top: 6px;
}

@media (min-width: 900px) {
  .page-news .notes-entry {
    display: grid;
    grid-template-columns: 88px 76px minmax(0, 1fr);
    align-items: start;
    gap: 4px 20px;
    padding: 24px 0;
  }

  .page-news .notes-entry__issue {
    grid-column: 1;
    grid-row: 1;
    padding-top: 5px;
  }

  .page-news .notes-entry .tag {
    grid-column: 2;
    grid-row: 1;
    justify-self: start;
    margin-top: 4px;
  }

  .page-news .notes-entry__title {
    grid-column: 3;
    grid-row: 1;
    margin-top: 0;
  }

  .page-news .notes-entry__summary {
    grid-column: 3;
    grid-row: 2;
    margin-top: 6px;
  }

  .page-news .notes-entry__more {
    grid-column: 3;
    grid-row: 3;
  }
}

/* ---------- 展开控件 ---------- */
.page-news .notes-entry .accordion__trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--news-line-strong);
  border-radius: var(--radius);
  background: transparent;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--ice);
  cursor: pointer;
  transition: border-color 200ms var(--ease), color 200ms var(--ease);
}

.page-news .notes-entry .accordion__trigger:hover {
  border-color: var(--ice);
}

.page-news .notes-entry .accordion__trigger:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 2px;
}

.page-news .notes-entry .accordion__trigger[aria-expanded="true"] {
  border-color: var(--copper);
  color: var(--copper-2);
}

.page-news .notes-entry .accordion__arrow {
  display: inline-block;
  font-size: 11px;
  transition: transform 240ms var(--ease);
}

.page-news .notes-entry .accordion__trigger[aria-expanded="true"] .accordion__arrow {
  transform: rotate(90deg);
}

.page-news .notes-entry .accordion__panel {
  margin-top: 14px;
  padding-left: 16px;
  border-left: 2px solid var(--copper);
}

.page-news .notes-entry .accordion__body {
  font-size: 14.5px;
  color: var(--news-body);
}

.page-news .notes-entry .accordion__body ul {
  margin: 0;
  padding-left: 18px;
}

.page-news .notes-entry .accordion__body li {
  margin-bottom: 8px;
}

.page-news .notes-entry .accordion__body li:last-child {
  margin-bottom: 0;
}

.page-news .notes-entry__refs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.page-news .notes-entry__refs .mono {
  padding: 3px 8px;
  border: 1px dashed var(--news-line-strong);
  border-radius: var(--radius);
  font-size: 12px;
  color: var(--slate);
}

/* ---------- 版本号对照 ---------- */
.page-news .notes-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 28px 48px;
  margin-top: 32px;
  padding: 24px;
  border: 1px solid var(--news-line-strong);
  border-radius: var(--radius);
  background: var(--news-panel);
}

.page-news .stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-news .stat__value {
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1.2;
  color: var(--copper-2);
}

.page-news .stat__label {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--slate);
}

.page-news .notes-version__layout {
  margin-top: 32px;
}

@media (min-width: 1024px) {
  .page-news .notes-version__layout {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }
}

.page-news .notes-ledger {
  margin: 0;
  border-top: 1px solid var(--news-line-strong);
}

.page-news .notes-ledger .ledger__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--news-line);
}

@media (min-width: 768px) {
  .page-news .notes-ledger .ledger__row {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

.page-news .notes-ledger .ledger__key {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.02em;
  color: var(--copper-2);
}

.page-news .notes-ledger .ledger__value {
  font-size: 15px;
  color: var(--news-body);
}

.page-news .notes-version__figure {
  margin-top: 40px;
}

@media (min-width: 1024px) {
  .page-news .notes-version__figure {
    margin-top: 0;
  }
}

.page-news .notes-version__figure .image-frame__canvas {
  aspect-ratio: 4 / 3;
}

/* ---------- 节奏时间轴 ---------- */
.page-news .notes-timeline-wrap {
  margin-top: 40px;
  padding-bottom: 8px;
  overflow-x: auto;
  border-bottom: 1px solid var(--news-line);
}

.page-news .notes-timeline {
  display: block;
  width: 100%;
  min-width: 640px;
  height: auto;
}

.page-news .notes-timeline text {
  font-family: var(--font-mono);
  font-size: 15px;
  fill: rgba(201, 211, 218, 0.72);
}

.page-news .notes-timeline .notes-timeline__now {
  fill: var(--copper-2);
}

.page-news .notes-cadence {
  margin-top: 48px;
}

@media (min-width: 1024px) {
  .page-news .notes-cadence {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }
}

.page-news .notes-cadence__text p {
  margin: 0 0 18px;
  max-width: 56ch;
  font-size: 15.5px;
  color: var(--news-body);
}

.page-news .notes-cadence__text p:last-child {
  margin-bottom: 0;
}

.page-news .notes-cadence__figure {
  margin-top: 40px;
}

@media (min-width: 1024px) {
  .page-news .notes-cadence__figure {
    margin-top: 0;
  }
}

.page-news .notes-cadence__figure .image-frame__canvas {
  aspect-ratio: 2 / 1;
}

/* ---------- 回溯与咨询 ---------- */
.page-news .notes-access {
  display: grid;
  gap: 24px;
  margin-top: 32px;
}

@media (min-width: 900px) {
  .page-news .notes-access {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
  }
}

.page-news .notes-access__card {
  padding: 26px 22px;
  border: 1px solid var(--news-line-strong);
  border-top: 4px solid var(--ice);
  border-radius: var(--radius);
  background: var(--news-panel);
}

.page-news .notes-access__card--copper {
  border-top-color: var(--copper);
}

.page-news .notes-access__card h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-news .notes-access__card p {
  margin: 0 0 14px;
  font-size: 15px;
  color: var(--news-body);
}

.page-news .notes-access__mail {
  display: inline-block;
  padding: 8px 12px;
  border: 1px solid var(--copper);
  border-radius: var(--radius);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--copper-2);
  word-break: break-all;
}

.page-news .notes-access__card ul {
  margin: 0;
  padding-left: 18px;
  font-size: 14.5px;
  color: var(--news-body);
}

.page-news .notes-access__card li {
  margin-bottom: 10px;
}

.page-news .notes-access__card li:last-child {
  margin-bottom: 0;
}

.page-news .notes-access__card .text-link {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-news .notes-access__card .text-link:hover,
.page-news .notes-access__card .text-link:focus-visible {
  color: var(--copper-2);
}

/* ---------- 页脚上方图 ---------- */
.page-news .notes-footer-figure {
  margin-top: var(--news-gap);
}

.page-news .notes-footer-figure .image-frame__canvas {
  aspect-ratio: 16 / 9;
  max-height: 420px;
}

@media (min-width: 768px) {
  .page-news .notes-footer-figure .image-frame__canvas {
    aspect-ratio: 21 / 9;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .notes-entry,
  .page-news .notes-toc a,
  .page-news .notes-filter,
  .page-news .notes-entry .accordion__trigger,
  .page-news .notes-entry .accordion__arrow {
    transition: none;
  }

  .page-news .notes-filter:hover {
    transform: none;
  }

  .page-news .notes-entry .accordion__trigger[aria-expanded="true"] .accordion__arrow {
    transform: none;
  }
}