.page-news {
  --news-plate-pad: clamp(24px, 5vw, 58px);
  padding-bottom: clamp(48px, 8vw, 88px);
}

.page-news .breadcrumbs {
  margin: 20px 0 6px;
}

/* ---------- 首屏：对角色块 + 侧栏索引 ---------- */
.page-news .news-hero__inner {
  display: grid;
  gap: var(--gap);
  margin-top: 12px;
}

.page-news .news-hero__plate {
  position: relative;
  overflow: hidden;
  padding: var(--news-plate-pad) var(--news-plate-pad) calc(var(--news-plate-pad) + 36px);
  color: var(--paper);
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(63, 169, 201, .24), transparent 58%),
    linear-gradient(150deg, var(--green) 0%, var(--green-deep) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
}

.page-news .news-hero__plate .eyebrow {
  color: var(--gold);
}

.page-news .news-hero__plate .display-1 {
  max-width: 22ch;
  margin: 14px 0 18px;
  color: var(--paper);
}

.page-news .news-hero__plate .lead {
  max-width: 62ch;
  color: rgba(244, 241, 232, .86);
}

.page-news .news-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-hero__index {
  padding: 22px 20px 26px;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-top: 4px solid var(--gold);
  box-shadow: var(--shadow-1);
}

.page-news .news-hero__index-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--fog);
}

.page-news .news-hero__index-list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-hero__index-list a {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: baseline;
  gap: 6px;
  padding: 12px 10px;
  color: var(--rock);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: border-color .26s var(--ease), background-color .26s var(--ease), color .26s var(--ease);
}

.page-news .news-hero__index-list a:hover,
.page-news .news-hero__index-list a:focus-visible {
  background: rgba(14, 59, 46, .06);
  border-left-color: var(--blue);
  color: var(--green);
}

.page-news .news-hero__index-list .mono {
  font-size: 13px;
  color: var(--gold);
}

/* ---------- 期次刻度 ---------- */
.page-news .news-track {
  padding: 52px 0 4px;
}

.page-news .news-track__head {
  display: grid;
  gap: 8px;
  max-width: 62ch;
}

.page-news .news-track__list {
  display: flex;
  gap: 12px;
  margin: 22px 0 0;
  padding: 4px 2px 14px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
}

.page-news .news-track__item {
  position: relative;
  flex: 0 0 auto;
  width: 158px;
  scroll-snap-align: start;
  padding: 18px 14px 20px;
  border-top: 2px solid var(--line);
  background: linear-gradient(180deg, rgba(169, 195, 166, .18), rgba(169, 195, 166, 0));
}

.page-news .news-track__item::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 14px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--moss);
}

.page-news .news-track__item--latest::before {
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(201, 162, 39, .18);
}

.page-news .news-track__stamp {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--fog);
}

.page-news .news-track__item--latest .news-track__stamp {
  color: var(--orange);
}

.page-news .news-track__text {
  display: block;
  margin-top: 8px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--rock);
}

/* ---------- 观察笔记 ---------- */
.page-news .news-notes {
  padding: 12px 0 0;
}

.page-news .news-notes__head {
  display: grid;
  gap: 8px;
  max-width: 62ch;
  margin-bottom: 8px;
}

.page-news .news-entry {
  display: grid;
  gap: 22px;
  padding: 34px 0;
  border-top: 1px solid var(--line);
}

.page-news .news-entry__media {
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--green-deep);
}

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

.page-news .news-entry__diagram {
  display: grid;
  gap: 10px;
  padding: 22px 20px;
  background:
    repeating-linear-gradient(90deg, rgba(169, 195, 166, .16) 0 1px, transparent 1px 26px),
    linear-gradient(140deg, var(--green) 0%, var(--green-deep) 100%);
}

.page-news .news-entry__diagram-row {
  display: grid;
  grid-template-columns: 34px minmax(0, .8fr) minmax(0, 1.2fr);
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: rgba(244, 241, 232, .07);
  border-left: 2px solid var(--gold);
  color: rgba(244, 241, 232, .9);
  font-size: 13px;
}

.page-news .news-entry__diagram-row b {
  color: var(--gold);
  font-weight: 600;
}

.page-news .news-entry__diagram-row i,
.page-news .news-entry__diagram-row em {
  font-style: normal;
}

.page-news .news-entry__diagram-row em {
  color: rgba(244, 241, 232, .68);
}

.page-news .news-entry__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--fog);
}

.page-news .news-entry__title {
  margin: 10px 0 14px;
  font-size: clamp(21px, 2.6vw, 27px);
  line-height: 1.35;
  color: var(--green);
}

.page-news .news-entry__body p {
  margin: 0 0 12px;
  color: var(--rock);
  line-height: 1.75;
}

.page-news .news-entry__points {
  display: grid;
  gap: 10px;
  margin: 8px 0 18px;
  padding: 0;
  list-style: none;
}

.page-news .news-entry__points li {
  position: relative;
  padding-left: 20px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--rock);
}

.page-news .news-entry__points li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .62em;
  width: 7px;
  height: 7px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-news .news-entry__link {
  display: inline-block;
  padding-bottom: 2px;
  font-weight: 600;
  color: var(--blue-ink);
  text-decoration: none;
  border-bottom: 2px solid rgba(31, 110, 133, .3);
  transition: border-color .24s var(--ease), color .24s var(--ease);
}

.page-news .news-entry__link:hover,
.page-news .news-entry__link:focus-visible {
  color: var(--green);
  border-bottom-color: var(--green);
}

/* ---------- 深色面板 ---------- */
.page-news .news-board {
  margin-top: 26px;
}

.page-news .news-board__head {
  max-width: 64ch;
}

.page-news .news-board__head .h2 {
  color: var(--paper);
}

.page-news .news-board__head p {
  margin: 12px 0 0;
  color: rgba(244, 241, 232, .84);
  line-height: 1.75;
}

.page-news .news-board__media {
  margin: 28px 0 30px;
  border: 1px solid rgba(169, 195, 166, .35);
  overflow: hidden;
  background: var(--green-deep);
}

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

.page-news .news-board__card {
  padding: 22px 20px 24px;
  background: rgba(244, 241, 232, .06);
  border: 1px solid rgba(169, 195, 166, .32);
  border-left: 3px solid var(--gold);
}

.page-news .news-board__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-news .news-board__card h3 {
  margin: 10px 0 10px;
  font-size: 19px;
  color: var(--paper);
}

.page-news .news-board__card p {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(244, 241, 232, .82);
}

.page-news .news-board__foot {
  margin: 26px 0 0;
  color: rgba(244, 241, 232, .84);
  line-height: 1.75;
}

.page-news .news-board__foot a {
  color: var(--blue);
}

/* ---------- 常见疑问 ---------- */
.page-news .news-faq {
  padding: 56px 0 0;
}

.page-news .news-faq__list {
  margin: 20px 0 0;
  border-top: 1px solid var(--line);
}

.page-news .news-faq__item {
  border-bottom: 1px solid var(--line);
}

.page-news .news-faq__q {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 4px;
  cursor: pointer;
  list-style: none;
  color: var(--green);
}

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

.page-news .news-faq__q h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.6;
}

.page-news .news-faq__q::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--gold);
  transition: transform .24s var(--ease);
}

.page-news .news-faq__item[open] .news-faq__q::after {
  content: "–";
}

.page-news .news-faq__a {
  max-width: 68ch;
  margin: 0;
  padding: 0 4px 20px;
  color: var(--rock);
  line-height: 1.75;
}

/* ---------- 收束 ---------- */
.page-news .news-cta-wrap {
  padding: 48px 0 0;
}

.page-news .news-cta {
  display: grid;
  gap: 18px;
  padding: clamp(26px, 5vw, 48px);
  background: linear-gradient(120deg, var(--paper-card) 0%, rgba(201, 162, 39, .16) 100%);
  border: 1px solid var(--line);
  border-top: 4px solid var(--gold);
}

.page-news .news-cta .h2 {
  margin: 0;
}

.page-news .news-cta p {
  margin: 0;
  max-width: 60ch;
  color: var(--rock);
  line-height: 1.75;
}

.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .news-cta__note {
  font-size: 15px;
  color: var(--fog);
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, .68fr);
    align-items: start;
  }

  .page-news .news-hero__plate {
    clip-path: polygon(0 0, 100% 0, 100% 84%, 0 100%);
  }

  .page-news .news-hero__index {
    margin-top: clamp(20px, 5vw, 56px);
    padding: 26px 24px 30px;
  }

  .page-news .news-track__item {
    width: 172px;
  }

  .page-news .news-entry {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    gap: 46px;
    align-items: center;
    padding: 48px 0;
  }

  .page-news .news-entry--flip .news-entry__media {
    order: 2;
  }

  .page-news .news-board__media {
    margin: 32px 0 36px;
  }

  .page-news .news-cta {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: center;
  }

  .page-news .news-cta .h2,
  .page-news .news-cta p:not(.news-cta__note) {
    grid-column: 1;
  }

  .page-news .news-cta__actions,
  .page-news .news-cta__note {
    grid-column: 2;
  }

  .page-news .news-cta__actions {
    align-self: end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-hero__index-list a,
  .page-news .news-entry__link,
  .page-news .news-faq__q::after {
    transition: none;
  }
}