.page-news {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumbs {
  padding: 20px 0 0;
  width: var(--shell);
  margin-inline: auto;
}
.page-news .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.page-news .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-gold);
}
.page-news .breadcrumbs__link {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-news .breadcrumbs__link:hover,
.page-news .breadcrumbs__link:focus-visible {
  color: var(--copper-deep);
  border-bottom-color: var(--crown-gold);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: 20px 0 38px;
}
.page-news .news-hero__grid {
  width: var(--shell);
  margin-inline: auto;
  display: grid;
  gap: 30px;
}
.page-news .news-hero__kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--copper-deep);
}
.page-news .news-hero__kicker::before {
  content: "";
  width: 36px;
  height: 1px;
  background: var(--crown-gold);
}
.page-news .news-hero__title {
  margin: 16px 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 6vw, 60px);
  line-height: 1.12;
  letter-spacing: 0.03em;
  color: var(--ink-green);
  max-width: 18em;
}
.page-news .news-hero__lede {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.9;
  color: var(--muted);
}
.page-news .news-hero__tags {
  margin-top: 22px;
}

/* 案例库概况牌 */
.page-news .news-ledger {
  position: relative;
  background: var(--ink-green);
  color: var(--paper);
  padding: 24px 22px 22px;
  box-shadow: 6px 6px 0 rgba(220, 200, 148, 0.28);
}
.page-news .news-ledger::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(200, 162, 74, 0.42);
  pointer-events: none;
}
.page-news .news-ledger__caption {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--crown-gold);
}
.page-news .news-ledger__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(220, 200, 148, 0.26);
}
.page-news .news-ledger__num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 34px);
  line-height: 1;
  color: var(--crown-gold);
}
.page-news .news-ledger__label {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: #ded8c8;
}
.page-news .news-ledger__foot {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: #cfc8b7;
}

/* ---------- 类型筛选带 ---------- */
.page-news .filter-band {
  background: var(--paper-warm);
  border-top: 1px solid var(--line-gold);
  border-bottom: 1px solid var(--line-gold);
  padding: 14px 0;
}
.page-news .filter-band__inner {
  width: var(--shell);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: thin;
  padding-bottom: 2px;
}
.page-news .filter-band__label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
  padding-right: 6px;
}
.page-news .filter-band .chip {
  flex: 0 0 auto;
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--line-gold);
  background: var(--paper);
  color: var(--ink-green);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-decoration: none;
  border-radius: 999px;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}
.page-news .filter-band .chip:hover,
.page-news .filter-band .chip:focus-visible {
  background: var(--gold-gradient);
  border-color: var(--copper);
  color: var(--ink-green);
}

/* ---------- 章节标题系统 ---------- */
.page-news .block-head {
  max-width: 46em;
  margin-bottom: 26px;
}
.page-news .block-index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--copper-deep);
}
.page-news .block-title {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 4vw, 40px);
  line-height: 1.22;
  letter-spacing: 0.02em;
  color: var(--ink-green);
}
.page-news .block-lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 40em;
}
.page-news .block-head--ink .block-index {
  color: var(--crown-gold);
}
.page-news .block-head--ink .block-title {
  color: var(--paper);
}
.page-news .block-head--ink .block-lede {
  color: #cfc8b7;
}

/* ---------- 案例合集 ---------- */
.page-news .cases {
  padding: 46px 0 20px;
}
.page-news .cases > .shell {
  width: var(--shell);
  margin-inline: auto;
}
.page-news .case-group {
  padding: 26px 0 8px;
  border-top: 1px solid var(--line-gold);
  scroll-margin-top: 90px;
}
.page-news .case-group__head {
  margin-bottom: 20px;
}
.page-news .case-group__no {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--copper-deep);
}
.page-news .case-group__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 3vw, 30px);
  letter-spacing: 0.03em;
  color: var(--ink-green);
}
.page-news .case-group__desc {
  margin: 0;
  max-width: 42em;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}
.page-news .case-group__list {
  columns: 1;
  column-gap: 18px;
}

/* 案例卡 */
.page-news .case-card {
  position: relative;
  display: block;
  break-inside: avoid;
  margin: 0 0 18px;
  padding: 18px 16px 15px;
  background: var(--paper-warm);
  border: 1px solid var(--line-gold);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}
.page-news .case-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 2px;
  width: 0;
  background: var(--gold-gradient);
  transition: width 260ms var(--ease);
}
.page-news .case-card:hover::before,
.page-news .case-card:focus-within::before {
  width: 100%;
}
.page-news .case-card:hover,
.page-news .case-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--crown-gold);
  box-shadow: 0 8px 18px rgba(14, 42, 36, 0.09);
}
.page-news .case-card__no {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--crown-gold);
}
.page-news .case-card__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.45;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.page-news .case-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}
.page-news .case-card__meta .tag {
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 3px 9px;
  border: 1px solid var(--line-gold);
  background: var(--paper);
  color: var(--muted);
  white-space: nowrap;
}
.page-news .case-card__meta .tag--install {
  background: var(--ink-green);
  border-color: var(--ink-green);
  color: var(--paper);
}
.page-news .case-card__meta .tag--inspect {
  background: var(--copper);
  border-color: var(--copper);
  color: var(--paper);
}
.page-news .case-card__meta .tag--repair {
  background: var(--crown-gold);
  border-color: var(--crown-gold);
  color: var(--ink-green);
}
.page-news .case-card__meta .tag--annual {
  background: var(--ink-green-500);
  border-color: var(--ink-green-500);
  color: var(--paper);
}
.page-news .case-card__more {
  border-top: 1px dashed var(--line-gold);
  padding-top: 10px;
}
.page-news .case-card__more summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--copper-deep);
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-news .case-card__more summary::-webkit-details-marker {
  display: none;
}
.page-news .case-card__more summary::before {
  content: "+";
  font-size: 14px;
  line-height: 1;
  color: var(--crown-gold);
}
.page-news .case-card__more[open] summary::before {
  content: "−";
}
.page-news .case-card__more p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

/* 现场图 */
.page-news .shot {
  margin: 0 0 18px;
  break-inside: avoid;
  background: var(--ink-green-700);
}
.page-news .shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-news .shot figcaption {
  padding: 9px 2px 0;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 服务手记 ---------- */
.page-news .field-notes {
  background: var(--ink-green);
  padding: 48px 0 44px;
}
.page-news .field-notes > .shell {
  width: var(--shell);
  margin-inline: auto;
}
.page-news .log-list {
  display: grid;
  gap: 0;
}
.page-news .log-step {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 20px 0 18px;
  border-top: 1px solid rgba(220, 200, 148, 0.3);
}
.page-news .log-step:last-child {
  border-bottom: 1px solid rgba(220, 200, 148, 0.3);
}
.page-news .log-step__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  color: var(--crown-gold);
}
.page-news .log-step__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--paper);
}
.page-news .log-step__text {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.9;
  color: #d3ccbb;
}

/* ---------- 培训动态 ---------- */
.page-news .training {
  background: var(--paper-warm);
  padding: 46px 0;
}
.page-news .training__layout {
  width: var(--shell);
  margin-inline: auto;
  display: grid;
  gap: 30px;
}
.page-news .training__aside .button {
  margin-top: 18px;
  display: inline-block;
}
.page-news .shot--training {
  margin: 22px 0 0;
}
.page-news .drill-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-news .drill {
  padding: 16px 0 14px;
  border-top: 1px solid var(--line-gold);
}
.page-news .drill:last-child {
  border-bottom: 1px solid var(--line-gold);
}
.page-news .drill__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
}
.page-news .drill__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--copper-deep);
}
.page-news .drill__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--ink-green);
}
.page-news .drill__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

/* ---------- 回访观察 ---------- */
.page-news .revisit {
  padding: 46px 0;
  background: var(--paper);
}
.page-news .revisit__layout {
  width: var(--shell);
  margin-inline: auto;
  display: grid;
  gap: 26px;
}
.page-news .link-more {
  display: inline-block;
  margin-top: 16px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--copper-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  padding-bottom: 2px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-news .link-more:hover,
.page-news .link-more:focus-visible {
  color: var(--ink-green);
  border-bottom-color: var(--crown-gold);
}
.page-news .accordion {
  border-top: 1px solid var(--line-gold);
}
.page-news .accordion__item {
  border-bottom: 1px solid var(--line-gold);
}
.page-news .accordion__heading {
  margin: 0;
  font-size: inherit;
  font-weight: 400;
}
.page-news .accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 16px 4px 16px 0;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-green);
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}
.page-news .accordion__trigger:hover,
.page-news .accordion__trigger:focus-visible {
  color: var(--copper-deep);
  padding-left: 6px;
}
.page-news .accordion__icon {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
}
.page-news .accordion__icon::before,
.page-news .accordion__icon::after {
  content: "";
  position: absolute;
  background: var(--crown-gold);
}
.page-news .accordion__icon::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 1px;
}
.page-news .accordion__icon::after {
  left: 6px;
  top: 0;
  width: 1px;
  height: 14px;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.page-news .accordion__trigger[aria-expanded="true"] .accordion__icon::after {
  transform: scaleY(0);
  opacity: 0;
}
.page-news .accordion__panel {
  padding: 0 4px 18px 0;
}
.page-news .accordion__panel p {
  margin: 0;
  max-width: 40em;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

/* ---------- 季度归档 ---------- */
.page-news .archive {
  background: var(--ink-green-700);
  padding: 46px 0 50px;
}
.page-news .archive__layout {
  width: var(--shell);
  margin-inline: auto;
  display: grid;
  gap: 30px;
}
.page-news .archive__drawers {
  display: grid;
  gap: 2px;
  background: rgba(220, 200, 148, 0.24);
}
.page-news .drawer {
  background: var(--ink-green);
  border-left: 1px solid rgba(220, 200, 148, 0.24);
}
.page-news .drawer__summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 16px;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur) var(--ease);
}
.page-news .drawer__summary::-webkit-details-marker {
  display: none;
}
.page-news .drawer__summary:hover,
.page-news .drawer__summary:focus-visible {
  background: var(--ink-green-500);
}
.page-news .drawer__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--crown-gold);
}
.page-news .drawer__label {
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper);
}
.page-news .drawer__panel {
  padding: 0 16px 18px;
}
.page-news .drawer__panel p {
  margin: 0;
  font-size: 13px;
  line-height: 1.9;
  color: #cfc8b7;
}
.page-news .archive__side {
  display: grid;
  gap: 20px;
  align-content: start;
}
.page-news .shot--archive figcaption {
  color: #bdb7a6;
}
.page-news .archive .notice {
  padding: 16px 18px;
  font-size: 13px;
  line-height: 1.9;
}
.page-news .archive .notice p {
  margin: 0;
}
.page-news .archive__contribute {
  margin: 0;
  font-size: 13px;
  line-height: 1.9;
  color: #cfc8b7;
}

/* ---------- 结尾行动区 ---------- */
.page-news .outro {
  padding: 46px 0 56px;
  background: var(--paper);
  border-top: 1px solid var(--line-gold);
}
.page-news .outro__inner {
  width: var(--shell);
  margin-inline: auto;
  display: grid;
  gap: 24px;
}
.page-news .outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .case-group__list {
    columns: 2;
  }
  .page-news .log-step {
    grid-template-columns: 96px 1fr;
    gap: 20px;
    align-items: start;
  }
  .page-news .log-step__index {
    font-size: 40px;
  }
  .page-news .archive__drawers {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero {
    padding: 28px 0 46px;
  }
  .page-news .news-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
    gap: 48px;
  }
  .page-news .training__layout {
    grid-template-columns: 5fr 7fr;
    gap: 48px;
  }
  .page-news .revisit__layout {
    grid-template-columns: 5fr 7fr;
    gap: 44px;
  }
  .page-news .archive__layout {
    grid-template-columns: 7fr 5fr;
    gap: 44px;
  }
  .page-news .outro__inner {
    grid-template-columns: 7fr 5fr;
    align-items: center;
    gap: 40px;
  }
  .page-news .outro__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1080px) {
  .page-news .case-group__list {
    columns: 3;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .case-card,
  .page-news .case-card::before,
  .page-news .accordion__trigger,
  .page-news .filter-band .chip,
  .page-news .drawer__summary {
    transition: none;
  }
  .page-news .case-card:hover,
  .page-news .case-card:focus-within {
    transform: none;
  }
}
<<<END>>>