.page-news {
  --news-rail: 176px;
  --news-lead-size: clamp(1.75rem, 4vw, 2.9rem);
  background: var(--snow-white);
}

/* ---------- 页头 ---------- */
.page-news .news-masthead {
  padding-top: 56px;
}

.page-news .news-masthead::after {
  content: "";
  display: block;
  margin-top: 36px;
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(
    90deg,
    var(--glacier-500) 0 62%,
    var(--prayer-orange) 62% 74%,
    var(--ink-green) 74% 100%
  );
}

.page-news .page-head__eyebrow {
  margin-top: 28px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  color: var(--prayer-orange);
  text-transform: uppercase;
}

.page-news .page-head__title {
  margin-top: 14px;
  font-family: var(--font-head);
  font-size: var(--news-lead-size);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--glacier-700);
  max-width: 22ch;
}

.page-news .page-head__lede {
  margin-top: 22px;
  max-width: 36em;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--graphite);
}

.page-news .news-masthead__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 24px;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* ---------- 页面骨架 ---------- */
.page-news .news-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  padding-top: 40px;
  padding-bottom: 96px;
}

.page-news .news-stream {
  min-width: 0;
}

/* ---------- 竖向目录 ---------- */
.page-news .news-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-news .news-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .news-rail__link {
  display: block;
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--glacier-050);
  color: var(--glacier-700);
  font-family: var(--font-head);
  font-size: 0.875rem;
  white-space: nowrap;
  text-decoration: none;
  transition: background 140ms var(--ease), color 140ms var(--ease);
}

.page-news .news-rail__link:hover {
  background: var(--prayer-orange-100);
  color: var(--glacier-900);
}

.page-news .news-rail__link[aria-current="true"] {
  background: var(--prayer-orange);
  color: var(--glacier-900);
  font-weight: 600;
}

/* ---------- 章节 ---------- */
.page-news .news-section {
  padding-bottom: 88px;
  scroll-margin-top: 88px;
}

.page-news .news-section--last {
  padding-bottom: 0;
}

.page-news .news-section__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--prayer-orange);
}

.page-news .news-section__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--glacier-700);
}

.page-news .news-section__note {
  margin: 16px 0 0;
  max-width: 36em;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--graphite);
}

/* ---------- 最新一期 ---------- */
.page-news .news-lead {
  display: grid;
  gap: 36px;
  margin-top: 28px;
}

.page-news .news-points {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pts;
  border-top: 1px solid var(--glacier-050);
}

.page-news .news-points li {
  counter-increment: pts;
  position: relative;
  margin: 0;
  padding: 22px 0 22px 54px;
  border-bottom: 1px solid var(--glacier-050);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--graphite);
}

.page-news .news-points li::before {
  content: counter(pts, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 24px;
  font-family: var(--font-mono);
  font-size: 1.125rem;
  letter-spacing: 0.04em;
  color: var(--glacier-300);
}

.page-news .news-points strong {
  display: block;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.0625rem;
  color: var(--glacier-700);
  margin-bottom: 4px;
}

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

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

.page-news .news-figure--ring {
  max-width: 360px;
  margin: 44px auto 0;
}

.page-news .news-figure--cover {
  max-width: 340px;
  margin: 0 auto;
}

/* ---------- 四栏目 ---------- */
.page-news .col-list {
  margin-top: 30px;
  border-top: 1px solid var(--glacier-050);
}

.page-news .col-item {
  position: relative;
  padding: 24px 0 24px 18px;
  border-bottom: 1px solid var(--glacier-050);
}

.page-news .col-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: var(--prayer-orange);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 160ms var(--ease);
}

.page-news .col-item:hover::before {
  transform: scaleY(1);
}

.page-news .col-item__name {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--glacier-700);
}

.page-news .col-item__desc {
  margin: 10px 0 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--graphite);
}

.page-news .col-item__cycle {
  margin: 12px 0 0;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- 桌数要点 ---------- */
.page-news .desk-notes {
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  max-width: 44em;
}

.page-news .desk-notes li {
  position: relative;
  padding: 14px 0 14px 26px;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--graphite);
  border-bottom: 1px dashed var(--glacier-050);
}

.page-news .desk-notes li:last-child {
  border-bottom: 0;
}

.page-news .desk-notes li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 26px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ink-green);
}

/* ---------- 报告列表 ---------- */
.page-news .report-list {
  margin-top: 28px;
  border-top: 2px solid var(--glacier-700);
}

.page-news .report-row {
  position: relative;
  border-bottom: 1px solid var(--glacier-050);
  transition: background 140ms var(--ease);
}

.page-news .report-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--glacier-500);
  transform: scaleY(0);
  transform-origin: center;
  transition: transform 160ms var(--ease);
}

.page-news .report-row:hover::before,
.page-news .report-row[open]::before {
  transform: scaleY(1);
}

.page-news .report-row--lead {
  background: linear-gradient(90deg, var(--glacier-050), transparent 72%);
}

.page-news .report-row__summary {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "no tag"
    "title title"
    "time time";
  gap: 8px 14px;
  align-items: center;
  padding: 16px 18px 16px 20px;
  cursor: pointer;
  list-style: none;
}

.page-news .report-row__summary::-webkit-details-marker {
  display: none;
}

.page-news .report-row__no {
  grid-area: no;
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-news .report-row--lead .report-row__no {
  font-size: 1.0625rem;
  color: var(--prayer-orange);
}

.page-news .report-row__tag {
  grid-area: tag;
  justify-self: start;
}

.page-news .report-row__title {
  grid-area: title;
  font-family: var(--font-head);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.55;
  color: var(--graphite);
  transition: color 140ms var(--ease);
}

.page-news .report-row:hover .report-row__title {
  color: var(--glacier-700);
}

.page-news .report-row--lead .report-row__title {
  font-size: 1.1875rem;
  font-weight: 600;
  color: var(--glacier-700);
}

.page-news .report-row__time {
  grid-area: time;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .report-row__body {
  padding: 0 18px 20px 20px;
}

.page-news .report-row__body p {
  margin: 0 0 10px;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--graphite);
}

.page-news .report-row__ref {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* 栏目标签 */
.page-news .tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-family: var(--font-head);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.page-news .tag--k {
  background: var(--prayer-orange);
  color: var(--glacier-900);
}

.page-news .tag--t {
  background: var(--glacier-050);
  color: var(--glacier-700);
}

.page-news .tag--d {
  background: var(--ink-green-050);
  color: var(--ink-green);
}

.page-news .tag--q {
  background: rgba(109, 120, 126, 0.16);
  color: var(--graphite);
}

/* ---------- 勘误 ---------- */
.page-news .errata-list {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  border-left: 2px solid var(--glacier-300);
}

.page-news .errata-item {
  padding: 18px 0 18px 22px;
  border-bottom: 1px solid var(--glacier-050);
}

.page-news .errata-item:last-child {
  border-bottom: 0;
}

.page-news .errata-item__text {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--graphite);
}

.page-news .errata-item__state {
  margin: 8px 0 0;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--ink-green);
}

.page-news .faq-list {
  margin-top: 40px;
}

.page-news .faq-item {
  border-bottom: 1px solid var(--glacier-050);
}

.page-news .faq-item .fold__summary {
  padding: 18px 0;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.65;
  color: var(--glacier-700);
  cursor: pointer;
}

.page-news .faq-item .fold__body {
  padding: 0 0 20px;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--graphite);
}

.page-news .faq-item .fold__body p {
  margin: 0;
}

/* ---------- 引用与回溯 ---------- */
.page-news .cite-grid {
  display: grid;
  gap: 36px;
  margin-top: 28px;
}

.page-news .cite-copy p {
  margin: 0 0 18px;
  max-width: 36em;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--graphite);
}

.page-news .cite-copy a {
  color: var(--glacier-500);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-news .cite-copy a:hover {
  color: var(--glacier-700);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 860px) {
  .page-news .news-lead {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 48px;
    align-items: start;
  }

  .page-news .cite-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 56px;
    align-items: start;
  }

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

@media (min-width: 1000px) {
  .page-news .news-masthead {
    padding-top: 72px;
  }

  .page-news .news-body {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: 56px;
    padding-top: 56px;
  }

  .page-news .news-rail {
    position: sticky;
    top: 88px;
    align-self: start;
  }

  .page-news .news-rail__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .news-rail__link {
    padding: 10px 14px 10px 16px;
    border-radius: 0;
    background: none;
    border-left: 2px solid transparent;
    font-size: 0.9375rem;
    color: var(--mist);
  }

  .page-news .news-rail__link:hover {
    background: linear-gradient(90deg, var(--glacier-050), transparent);
    color: var(--glacier-700);
    border-left-color: var(--glacier-300);
  }

  .page-news .news-rail__link[aria-current="true"] {
    background: linear-gradient(90deg, var(--glacier-050), transparent);
    color: var(--glacier-700);
    border-left-color: var(--prayer-orange);
    font-weight: 600;
  }

  .page-news .news-section {
    padding-bottom: 112px;
  }

  .page-news .report-row__summary {
    grid-template-columns: 104px 112px minmax(0, 1fr) 96px;
    grid-template-areas: "no tag title time";
    gap: 0 20px;
    padding: 18px 20px 18px 22px;
  }

  .page-news .report-row__time {
    justify-self: end;
  }

  .page-news .report-row__body {
    padding: 0 20px 22px 246px;
  }

  .page-news .news-figure--ring {
    margin-top: 56px;
  }
}

@media (min-width: 1240px) {
  .page-news .col-item {
    display: grid;
    grid-template-columns: 168px minmax(0, 1fr) 160px;
    gap: 0 32px;
    align-items: start;
  }

  .page-news .col-item__name {
    margin-top: 2px;
  }

  .page-news .col-item__desc {
    margin-top: 0;
  }

  .page-news .col-item__cycle {
    margin-top: 4px;
    text-align: right;
  }
}

/* ---------- 无位移偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .col-item::before,
  .page-news .report-row::before {
    transition: none;
    transform: scaleY(1);
    opacity: 0;
  }

  .page-news .col-item:hover::before,
  .page-news .report-row:hover::before,
  .page-news .report-row[open]::before {
    opacity: 1;
  }

  .page-news .news-rail__link,
  .page-news .report-row,
  .page-news .report-row__title {
    transition: none;
  }
}