.page-faq {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  padding-bottom: 8px;
}

.page-faq .section {
  padding: 24px 0 8px;
}

.page-faq .section-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange-deep);
  margin: 0;
}

.page-faq .small {
  font-size: 12px;
  line-height: 1.7;
}

/* 首屏 */
.page-faq .faq-hero {
  display: grid;
  gap: 22px;
  padding: 18px 0 6px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(27px, 6vw, 50px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 10px 0 14px;
}

.page-faq .lead {
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
  margin: 0;
  max-width: 60ch;
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.page-faq .faq-hero-note {
  border: var(--line);
  background: var(--white);
  box-shadow: var(--shadow);
  padding: 18px 16px;
}

.page-faq .note-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  margin: 0 0 12px;
}

.page-faq .faq-hero-note ul {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-hero-note li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-soft);
  border-bottom: var(--hair);
  padding-bottom: 8px;
}

.page-faq .note-num {
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--orange-deep);
}

/* 索引与筛选 */
.page-faq .section-head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 4.6vw, 30px);
  line-height: 1.32;
  margin: 8px 0 8px;
}

.page-faq .section-head .muted {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
  max-width: 62ch;
}

.page-faq .filter-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 20px 0 16px;
}

.page-faq .filter-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .filter-btn {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 14px;
  border: var(--line);
  border-radius: 2px;
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  transition: background 120ms ease-out, color 120ms ease-out;
}

.page-faq .filter-btn[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper);
}

.page-faq .filter-btn:not([aria-pressed="true"]):hover {
  background: var(--orange-tint);
}

.page-faq .qa-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .qa-index > li {
  min-width: 0;
}

.page-faq .index-card a {
  display: grid;
  gap: 6px;
  height: 100%;
  padding: 16px;
  border: var(--line);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  color: inherit;
  text-decoration: none;
  transition: transform 120ms ease-out, box-shadow 120ms ease-out, background 120ms ease-out;
}

.page-faq .index-card a:hover {
  transform: translateY(-2px);
  box-shadow: 8px 8px 0 var(--ink);
  background: var(--orange-tint);
}

.page-faq .index-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 34px;
  line-height: 1;
  color: var(--orange);
}

.page-faq .index-name {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .index-desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate);
}

.page-faq .index-count {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--mint);
}

/* 分组 */
.page-faq .qa-group {
  margin-top: 34px;
}

.page-faq .qa-group-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 14px 14px 16px;
  background: var(--paper-deep);
  border-top: var(--line);
  border-bottom: var(--hair);
}

.page-faq .group-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 8vw, 56px);
  line-height: 0.9;
  color: var(--orange);
}

.page-faq .qa-group-head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 4.4vw, 26px);
  line-height: 1.34;
  margin: 0 0 6px;
}

.page-faq .qa-group-head .muted {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
  max-width: 62ch;
}

.page-faq .qa-group-body {
  display: grid;
  gap: 18px;
  padding-top: 16px;
}

.page-faq .qa-list {
  display: grid;
  gap: 14px;
  min-width: 0;
}

/* 排查卡 */
.page-faq .qa-card {
  position: relative;
  background: var(--white);
  border: var(--line);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 120ms ease-out;
}

.page-faq .qa-card[open] {
  box-shadow: var(--shadow);
}

.page-faq .qa-card[open]::after {
  content: "";
  position: absolute;
  top: -2px;
  right: -2px;
  bottom: -2px;
  width: 6px;
  background: var(--mint);
}

.page-faq .qa-summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: start;
  padding: 14px 16px 14px 14px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa-summary:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
}

.page-faq .qa-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 3px 6px;
  margin-top: 2px;
  background: var(--orange-tint);
  border: 1px solid var(--orange);
  color: var(--orange-deep);
}

.page-faq .qa-q {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
}

.page-faq .qa-toggle {
  position: relative;
  width: 22px;
  height: 22px;
  border: 2px solid var(--ink);
  margin-top: 1px;
  flex: none;
}

.page-faq .qa-toggle::before,
.page-faq .qa-toggle::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--ink);
  transform: translate(-50%, -50%);
}

.page-faq .qa-toggle::before {
  width: 10px;
  height: 2px;
}

.page-faq .qa-toggle::after {
  width: 2px;
  height: 10px;
  transition: opacity 120ms ease-out;
}

.page-faq .qa-card[open] .qa-toggle::after {
  opacity: 0;
}

.page-faq .qa-body {
  padding: 14px 16px 16px;
  border-top: var(--hair);
}

.page-faq .qa-answer {
  margin: 0 0 12px;
  padding-left: 10px;
  border-left: 4px solid var(--orange);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .qa-answer a,
.page-faq .qa-more a {
  color: var(--orange-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .qa-steps {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .qa-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-faq .step-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  background: var(--orange-deep);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

.page-faq .limit-row {
  display: block;
  margin-top: 4px;
  padding: 9px 12px;
  background: var(--orange-tint);
  border-left: 4px solid var(--orange);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--orange-deep);
}

.page-faq .qa-more {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* 配图 */
.page-faq .media-aside {
  min-width: 0;
}

.page-faq .media-frame {
  margin: 0;
  border: var(--line);
  box-shadow: var(--shadow-sm);
  background: var(--white);
  overflow: hidden;
}

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

.page-faq .media-caption {
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--slate);
}

/* 收尾 */
.page-faq .faq-outro {
  margin: 36px 0 10px;
  padding: 24px 18px;
  border: var(--line);
  background: var(--ink);
  color: var(--paper);
  box-shadow: var(--shadow);
}

.page-faq .faq-outro h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 4.6vw, 28px);
  line-height: 1.34;
  margin: 0 0 10px;
}

.page-faq .faq-outro p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(246, 241, 231, 0.82);
  max-width: 62ch;
}

.page-faq .outro-links {
  display: grid;
  gap: 10px;
}

.page-faq .outro-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 11px 14px;
  border: 2px solid rgba(246, 241, 231, 0.55);
  color: var(--paper);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background 120ms ease-out, color 120ms ease-out, border-color 120ms ease-out;
}

.page-faq .outro-links a:hover {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--white);
}

@media (min-width: 640px) {
  .page-faq .qa-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .outro-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
    align-items: end;
    gap: 32px;
    padding: 30px 0 10px;
  }

  .page-faq .faq-hero-note {
    padding: 22px 20px;
  }

  .page-faq .qa-group-head {
    padding: 18px 20px 20px;
    gap: 20px;
  }

  .page-faq .qa-summary {
    padding: 16px 20px 16px 18px;
    gap: 14px;
  }

  .page-faq .qa-body {
    padding: 16px 20px 20px;
  }

  .page-faq .qa-group-body.has-media {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }

  .page-faq .faq-outro {
    padding: 32px 28px;
  }

  .page-faq .outro-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-faq .qa-index {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-faq .qa-group {
    margin-top: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .index-card a,
  .page-faq .filter-btn,
  .page-faq .outro-links a,
  .page-faq .qa-toggle::after,
  .page-faq .qa-card {
    transition: none;
  }

  .page-faq .index-card a:hover {
    transform: none;
  }
}
<<<END>>>