.page-faq {
  --faq-line: var(--sand-300);
  background: var(--sand-050);
  color: var(--ink-900);
  padding-bottom: 40px;
}

.page-faq img {
  display: block;
  max-width: 100%;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding: 22px 0 32px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: 26px;
  margin-top: 20px;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 16px;
  font-size: clamp(30px, 8.6vw, 52px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.page-faq .faq-lede {
  max-width: 44ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
}

.page-faq .faq-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin: 18px 0 0;
  font-size: 12.5px;
  color: var(--ink-500);
}

.page-faq .faq-entry {
  display: grid;
  gap: 12px;
}

.page-faq .faq-entry-card {
  position: relative;
  display: grid;
  gap: 5px;
  padding: 18px 46px 18px 20px;
  background: var(--snow);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-card);
  color: var(--ink-900);
  text-decoration: none;
  transition: border-color var(--duration) ease, transform var(--duration) ease;
}

.page-faq .faq-entry-card::after {
  content: "↓";
  position: absolute;
  top: 50%;
  right: 20px;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--red-600);
}

.page-faq .faq-entry-card:hover,
.page-faq .faq-entry-card:focus-visible {
  border-color: var(--red-600);
  transform: translateY(-2px);
}

.page-faq .faq-entry-no {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--red-600);
}

.page-faq .faq-entry-title {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-faq .faq-entry-desc {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ink-500);
}

.page-faq .faq-stat-row {
  padding: 20px 0 4px;
  border-bottom: 1px solid var(--faq-line);
}

/* ---------- 通用区块 ---------- */

.page-faq .faq-block {
  padding: 44px 0;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-block--glacier {
  background: var(--glacier-100);
}

.page-faq .faq-block-head {
  display: grid;
  gap: 16px;
  margin-bottom: 26px;
}

.page-faq .faq-index {
  justify-self: start;
  display: inline-block;
  padding-top: 6px;
  border-top: 2px solid var(--red-600);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--red-600);
}

.page-faq .faq-note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-500);
}

.page-faq .faq-note a,
.page-faq .faq-alert a,
.page-faq .faq-tail a,
.page-faq .section-lede a {
  color: var(--red-600);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 保修速查表 ---------- */

.page-faq .faq-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--snow);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-card);
}

.page-faq .data-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
}

.page-faq .data-table th,
.page-faq .data-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  font-size: 14px;
  line-height: 1.65;
}

.page-faq .data-table tbody th {
  background: transparent;
  color: var(--ink-900);
  font-weight: 800;
  white-space: nowrap;
}

.page-faq .data-table td.num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--red-600);
  white-space: nowrap;
}

/* ---------- 覆盖城市 ---------- */

.page-faq .faq-region-nav {
  margin-bottom: 22px;
}

.page-faq .faq-region-nav a {
  display: inline-block;
  text-decoration: none;
  color: var(--ink-900);
}

.page-faq .faq-city-groups {
  display: grid;
  gap: 16px;
}

.page-faq .faq-region {
  padding: 18px 20px 20px;
  background: var(--snow);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-card);
  scroll-margin-top: 96px;
}

.page-faq .faq-region-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-region-head h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-faq .faq-region-form {
  margin-left: auto;
  padding: 3px 11px;
  background: var(--sand-050);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--teal-700);
  white-space: nowrap;
}

.page-faq .faq-cities {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-cities li {
  padding: 4px 11px;
  background: var(--sand-050);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-pill);
  font-size: 13.5px;
  line-height: 1.5;
  white-space: nowrap;
}

.page-faq .faq-cities li.is-base {
  border-color: var(--red-600);
  color: var(--red-600);
  font-weight: 700;
}

.page-faq .faq-region-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-500);
}

.page-faq .faq-alert {
  margin-top: 20px;
  padding: 16px 20px;
  background: var(--red-100);
  border-left: 3px solid var(--red-600);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
}

.page-faq .faq-alert p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
}

/* ---------- 保修受理条件 ---------- */

.page-faq .faq-split {
  display: grid;
  gap: 24px;
}

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

.page-faq .faq-media-3x2 {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: var(--radius-card);
}

.page-faq .faq-media-3x2 img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-faq .faq-split-lede {
  margin: 0 0 4px;
  font-size: 15.5px;
  line-height: 1.78;
}

.page-faq .faq-claim-list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: claim;
  display: grid;
  gap: 14px;
}

.page-faq .faq-claim-list li {
  counter-increment: claim;
  position: relative;
  padding-left: 36px;
  font-size: 14.5px;
  line-height: 1.78;
}

.page-faq .faq-claim-list li strong {
  font-weight: 800;
}

.page-faq .faq-claim-list li::before {
  content: counter(claim, decimal-leading-zero);
  position: absolute;
  top: 2px;
  left: 0;
  padding-bottom: 1px;
  border-bottom: 1px solid var(--red-600);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--red-600);
}

.page-faq .faq-split-note {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--faq-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-500);
}

/* ---------- 验收与检测流程 ---------- */

.page-faq .faq-flow-head {
  display: grid;
  gap: 22px;
  margin-bottom: 30px;
}

.page-faq .faq-flow-figure {
  margin: 0;
}

.page-faq .faq-media-1x1 {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: var(--radius-card);
}

.page-faq .faq-media-1x1 img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-faq .faq-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 26px;
}

.page-faq .faq-step {
  position: relative;
  padding-top: 22px;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--sand-300);
}

.page-faq .faq-step::after {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--red-600);
}

.page-faq .faq-step-no {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--red-600);
}

.page-faq .faq-step h3 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
}

.page-faq .faq-step-role {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--ink-500);
}

/* ---------- 常见疑问 ---------- */

.page-faq .faq-qa {
  display: grid;
  border-top: 1px solid var(--faq-line);
}

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

.page-faq .qa-item summary {
  position: relative;
  display: block;
  padding: 15px 32px 15px 0;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: -0.01em;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa-item summary::after {
  content: "+";
  position: absolute;
  top: 14px;
  right: 4px;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 400;
  line-height: 1;
  color: var(--red-600);
}

.page-faq .qa-item[open] summary {
  color: var(--red-600);
}

.page-faq .qa-item[open] summary::after {
  content: "−";
}

.page-faq .qa-item summary:focus-visible {
  outline: 2px solid var(--red-600);
  outline-offset: 2px;
  border-radius: 4px;
}

.page-faq .qa-body {
  padding: 0 32px 16px 0;
  font-size: 14.5px;
  line-height: 1.78;
}

.page-faq .qa-body p {
  margin: 0;
}

/* ---------- 自查清单 ---------- */

.page-faq .faq-checklist {
  display: grid;
  gap: 16px;
}

.page-faq .faq-check-col {
  padding: 20px 20px 12px;
  background: var(--snow);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-card);
}

.page-faq .faq-check-col h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-faq .faq-check-hint {
  margin: 0 0 8px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-500);
}

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

.page-faq .check-row {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 11px 0;
  border-top: 1px solid var(--faq-line);
  font-size: 14px;
  line-height: 1.68;
  cursor: pointer;
}

.page-faq .check-row input[type="checkbox"] {
  flex: none;
  width: 16px;
  height: 16px;
  margin: 4px 0 0;
  accent-color: var(--red-600);
}

.page-faq .check-row input[type="checkbox"]:checked + span {
  color: var(--ink-500);
  text-decoration: line-through;
  text-decoration-color: var(--sand-300);
}

.page-faq .faq-tail {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-500);
}

/* ---------- 响应式 ---------- */

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 26px 0 46px;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    margin-top: 30px;
  }

  .page-faq .faq-block {
    padding: 64px 0;
  }

  .page-faq .faq-block-head {
    grid-template-columns: 74px minmax(0, 1fr);
    gap: 26px;
    align-items: start;
    margin-bottom: 34px;
  }

  .page-faq .faq-block-head .section-head {
    max-width: 780px;
  }

  .page-faq .faq-city-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 52px;
    align-items: center;
  }

  .page-faq .faq-flow-head {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 52px;
    align-items: center;
    margin-bottom: 44px;
  }

  .page-faq .faq-qa {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 48px;
  }

  .page-faq .faq-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-entry-card {
    transition: none;
  }
}