.page-faq .section {
  padding-block: clamp(44px, 7vw, 88px);
}

.page-faq .section--tight {
  padding-block: clamp(26px, 4vw, 48px);
}

.page-faq .section--rock {
  background: var(--c-rock);
  border-top: 1px solid var(--line-ink);
  border-bottom: 1px solid var(--line-ink);
}

.page-faq .section--moss {
  background: var(--c-moss);
  color: var(--c-base);
}

.page-faq .section--line {
  border-top: 1px solid var(--line-ink);
}

/* ---------- 首屏 ---------- */

.page-faq .crumbs {
  margin-bottom: clamp(26px, 4vw, 48px);
}

.page-faq .faq-hero {
  align-items: start;
  row-gap: clamp(30px, 4vw, 44px);
}

.page-faq .faq-hero__lead .anno {
  margin-bottom: 16px;
}

.page-faq .faq-hero__intro {
  margin-top: clamp(18px, 2.4vw, 28px);
  max-width: 46ch;
}

.page-faq .faq-hero__aside {
  border-top: 1px solid var(--line-ink-2);
  padding-top: 18px;
}

.page-faq .faq-hero__aside > .anno {
  display: block;
  margin-bottom: 14px;
}

.page-faq .route-keys {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .route-keys li {
  border-bottom: 1px solid var(--line-ink);
}

.page-faq .route-keys a {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 14px 0;
  color: var(--c-ink);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.5;
  transition: color var(--dur);
}

.page-faq .route-keys a:hover,
.page-faq .route-keys a:focus-visible {
  color: var(--c-plateau);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-faq .route-keys__k {
  flex: none;
  width: 26px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-slate);
}

.page-faq .route-keys a:hover .route-keys__k {
  color: var(--c-pottery);
}

.page-faq .faq-hero__foot {
  margin-top: 16px;
  color: var(--c-slate);
}

/* ---------- 章节题头 ---------- */

.page-faq .sec-head {
  max-width: 62ch;
}

.page-faq .sec-head__num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--c-pottery);
  margin-bottom: 12px;
}

.page-faq .sec-head .lead {
  margin-top: 14px;
}

.page-faq .section--moss .sec-head__num {
  color: var(--c-alert);
}

.page-faq .section--moss .ttl {
  color: var(--c-base);
}

.page-faq .section--moss .lead {
  color: var(--cream);
}

/* ---------- 01 对照表 ---------- */

.page-faq .mirror {
  margin-top: clamp(28px, 4vw, 48px);
  border: 1px solid var(--line-ink-2);
  background: var(--c-base);
}

.page-faq .mirror__head,
.page-faq .mirror__row {
  display: grid;
  grid-template-columns: 1fr;
}

.page-faq .mirror__head {
  display: none;
}

.page-faq .mirror__row {
  border-bottom: 1px solid var(--line-ink);
}

.page-faq .mirror__row:last-child {
  border-bottom: 0;
}

.page-faq .mirror__key {
  margin: 0;
  padding: 12px 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-slate);
  background: var(--c-rock);
  border-bottom: 1px solid var(--line-ink);
}

.page-faq .mirror__cell {
  padding: 16px 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-ink);
  border-bottom: 1px solid var(--line-ink);
}

.page-faq .mirror__row .mirror__cell:last-child {
  border-bottom: 0;
}

.page-faq .mirror__cell--quote {
  background: rgba(111, 154, 86, 0.09);
}

.page-faq .mirror__cell--repair {
  background: rgba(217, 123, 38, 0.08);
}

.page-faq .mirror__cell::before {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-slate);
  margin-bottom: 7px;
}

.page-faq .mirror__cell--quote::before {
  content: "培训支持报价";
}

.page-faq .mirror__cell--repair::before {
  content: "V3维修报修";
}

/* ---------- 02 报修流程 ---------- */

.page-faq .flow-layout {
  align-items: start;
  row-gap: clamp(28px, 4vw, 40px);
}

.page-faq .pathway {
  position: relative;
  margin-top: clamp(26px, 3.6vw, 42px);
}

.page-faq .pathway::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 28px;
  bottom: 28px;
  width: 1px;
  background: var(--line-ink-2);
}

.page-faq .node {
  position: relative;
  border-top: 1px solid var(--line-ink);
}

.page-faq .node:last-child {
  border-bottom: 1px solid var(--line-ink);
}

.page-faq .node summary {
  position: relative;
  display: block;
  padding: 22px 0 22px 52px;
  cursor: pointer;
  list-style: none;
}

.page-faq .node summary::-webkit-details-marker {
  display: none;
}

.page-faq .node summary:focus-visible {
  outline: 2px solid var(--c-plateau);
  outline-offset: 2px;
}

.page-faq .node__idx {
  position: absolute;
  left: 0;
  top: 20px;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  background: var(--c-base);
  border: 1px solid var(--c-plateau);
  color: var(--c-plateau);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  transition: background var(--dur), color var(--dur);
}

.page-faq .node[open] .node__idx {
  background: var(--c-plateau);
  color: var(--c-base);
}

.page-faq .node__title {
  display: block;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 900;
  line-height: 1.45;
  color: var(--c-ink);
  letter-spacing: -0.01em;
}

.page-faq .node__body {
  padding: 0 0 26px 52px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--c-slate);
}

.page-faq .node__body p {
  margin: 0;
}

.page-faq .node__body ul {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.page-faq .node__body li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
}

.page-faq .node__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.9em;
  width: 9px;
  height: 1px;
  background: var(--c-alert);
}

.page-faq .node__body a {
  color: var(--c-plateau);
  text-underline-offset: 3px;
}

.page-faq .flow-media {
  margin-top: clamp(26px, 3.6vw, 42px);
}

/* ---------- 媒体图位 ---------- */

.page-faq .media {
  margin: 0;
}

.page-faq .media__frame {
  overflow: hidden;
  border: 1px solid var(--line-ink);
  background: var(--c-rock);
}

.page-faq .media__frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 14 / 9;
}

.page-faq .media--square .media__frame img {
  aspect-ratio: 3 / 2;
}

.page-faq .media__cap {
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--c-slate);
}

/* ---------- 03 报修需附信息 ---------- */

.page-faq .info-layout {
  align-items: start;
  row-gap: clamp(30px, 4vw, 44px);
}

.page-faq .req-list {
  list-style: none;
  margin: clamp(26px, 3.6vw, 42px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-ink-2);
}

.page-faq .req-list__item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-ink);
}

.page-faq .req-list__idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-slate);
  border: 1px solid var(--line-ink-2);
}

.page-faq .req-list__item--must .req-list__idx {
  color: var(--c-base);
  background: var(--c-pottery);
  border-color: var(--c-pottery);
}

.page-faq .req-list__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 900;
  line-height: 1.4;
  color: var(--c-ink);
}

.page-faq .req-list__item--must .req-list__title::after {
  content: "必备";
  margin-left: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.16em;
  color: var(--c-pottery);
  vertical-align: 2px;
}

.page-faq .req-list__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-slate);
}

.page-faq .req-list__desc a {
  color: var(--c-plateau);
  text-underline-offset: 3px;
}

.page-faq .req-note {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 16px 18px;
  border-left: 3px solid var(--c-alert);
  background: rgba(217, 123, 38, 0.08);
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-ink);
}

.page-faq .info-media {
  margin-top: clamp(26px, 3.6vw, 42px);
}

.page-faq .info-media__hint {
  margin-top: 14px;
  color: var(--c-slate);
}

/* ---------- 04 时效分层 ---------- */

.page-faq .sla {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: clamp(28px, 4vw, 46px);
  border: 1px solid var(--line-cream);
}

.page-faq .sla__col {
  padding: clamp(22px, 3vw, 34px);
}

.page-faq .sla__col + .sla__col {
  border-top: 1px solid var(--line-cream);
}

.page-faq .sla__col--action {
  background: rgba(217, 123, 38, 0.12);
}

.page-faq .sla__tag {
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--cream);
  margin: 0 0 10px;
}

.page-faq .sla__name {
  margin: 0 0 22px;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 900;
  line-height: 1.3;
  color: var(--c-base);
}

.page-faq .sla__figs {
  display: flex;
  flex-wrap: wrap;
  gap: 22px 40px;
}

.page-faq .sla__fig {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .sla__num {
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--c-base);
}

.page-faq .sla__unit {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cream);
}

.page-faq .sla__note {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--cream);
}

.page-faq .sla__ref {
  margin: clamp(22px, 3vw, 30px) 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--cream);
}

.page-faq .sla__ref a {
  color: var(--c-base);
  text-underline-offset: 4px;
}

/* ---------- 05 常见问题 ---------- */

.page-faq .chipbar {
  margin-top: clamp(26px, 3.6vw, 38px);
}

.page-faq .faq-stream {
  margin-top: clamp(18px, 2.4vw, 26px);
  border-top: 1px solid var(--line-ink-2);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--line-ink);
}

.page-faq .faq-item[hidden] {
  display: none;
}

.page-faq .faq-item summary {
  position: relative;
  display: block;
  padding: 20px 44px 20px 0;
  cursor: pointer;
  list-style: none;
}

.page-faq .faq-item summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--c-plateau);
  outline-offset: 2px;
}

.page-faq .faq-item__q {
  display: block;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--c-ink);
  transition: color var(--dur);
}

.page-faq .faq-item summary:hover .faq-item__q {
  color: var(--c-plateau);
}

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--c-slate);
  transition: transform var(--dur), color var(--dur);
}

.page-faq .faq-item[open] summary::after {
  content: "−";
  color: var(--c-pottery);
}

.page-faq .faq-item__body {
  padding: 0 44px 24px 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--c-slate);
}

.page-faq .faq-item__body a {
  color: var(--c-plateau);
  text-underline-offset: 3px;
}

/* ---------- 收尾 ---------- */

.page-faq .closing {
  border-top: 1px solid var(--line-ink-2);
  padding-top: clamp(24px, 3.4vw, 36px);
}

.page-faq .closing .anno {
  display: block;
  margin-bottom: 14px;
  color: var(--c-pottery);
}

.page-faq .closing__title {
  margin: 0 0 16px;
  font-size: clamp(24px, 3.4vw, 40px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--c-ink);
}

.page-faq .closing__body {
  max-width: 60ch;
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-slate);
}

.page-faq .closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .page-faq .mirror__cell {
    padding: 18px 22px;
  }

  .page-faq .mirror__key {
    padding: 14px 22px;
  }
}

@media (min-width: 760px) {
  .page-faq .mirror__head,
  .page-faq .mirror__row {
    grid-template-columns: minmax(112px, 150px) 1fr 1fr;
  }

  .page-faq .mirror__head {
    display: grid;
    border-bottom: 1px solid var(--line-ink-2);
  }

  .page-faq .mirror__head-cell {
    padding: 18px 22px;
  }

  .page-faq .mirror__head-cell--quote {
    background: rgba(111, 154, 86, 0.2);
    border-left: 3px solid var(--c-terra);
  }

  .page-faq .mirror__head-cell--repair {
    background: rgba(217, 123, 38, 0.18);
    border-left: 3px solid var(--c-alert);
  }

  .page-faq .mirror__title {
    margin: 6px 0 0;
    font-size: clamp(18px, 2.2vw, 24px);
    font-weight: 900;
    line-height: 1.3;
    color: var(--c-ink);
    letter-spacing: -0.01em;
  }

  .page-faq .mirror__key {
    display: flex;
    align-items: flex-start;
    background: transparent;
    border-bottom: 0;
    border-right: 1px solid var(--line-ink);
    padding-top: 20px;
    transition: color var(--dur);
  }

  .page-faq .mirror__cell {
    border-bottom: 0;
    border-right: 1px solid var(--line-ink);
  }

  .page-faq .mirror__row .mirror__cell:last-child {
    border-right: 0;
  }

  .page-faq .mirror__cell::before {
    display: none;
  }

  .page-faq .mirror__row:hover .mirror__key {
    color: var(--c-ink);
  }

  .page-faq .mirror__row:hover .mirror__cell--quote {
    background: rgba(111, 154, 86, 0.2);
  }

  .page-faq .mirror__row:hover .mirror__cell--repair {
    background: rgba(217, 123, 38, 0.18);
  }

  .page-faq .sla {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .sla__col + .sla__col {
    border-top: 0;
    border-left: 1px solid var(--line-cream);
  }
}

@media (min-width: 960px) {
  .page-faq .node__body {
    padding-left: 52px;
  }

  .page-faq .closing__actions {
    gap: 16px;
  }
}

@media (max-width: 719px) {
  .page-faq .faq-hero__intro {
    max-width: none;
  }

  .page-faq .node summary {
    padding-right: 8px;
  }

  .page-faq .faq-item summary {
    padding-right: 34px;
  }

  .page-faq .faq-item__body {
    padding-right: 8px;
  }

  .page-faq .sla__figs {
    gap: 20px 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .route-keys a,
  .page-faq .node__idx,
  .page-faq .faq-item__q,
  .page-faq .faq-item summary::after {
    transition: none;
  }
}