.page-faq {
  --fq-radius: 2px;
  --fq-card-bg: #fffdf8;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
}

.page-faq .breadcrumb {
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sage);
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--sage);
}

.page-faq .breadcrumb a {
  color: var(--pine);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
}

/* ---------- 首屏 ---------- */
.page-faq .fq-hero {
  padding-top: clamp(18px, 3vw, 40px);
  padding-bottom: clamp(26px, 4vw, 52px);
  background:
    linear-gradient(180deg, rgba(196, 75, 43, 0.09), rgba(244, 239, 231, 0) 62%),
    var(--cream);
  border-bottom: 2px solid var(--ink);
}

.page-faq .fq-hero-grid {
  display: grid;
  gap: clamp(20px, 3vw, 38px);
  grid-template-columns: 1fr;
}

.page-faq .fq-hero-main {
  min-width: 0;
}

.page-faq h1 {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7.4vw, 72px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.page-faq .fq-lead {
  max-width: 52ch;
  margin: 0 0 clamp(18px, 2.4vw, 28px);
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .fq-cats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-faq .fq-cat {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num label"
    "num desc";
  gap: 2px 12px;
  align-items: center;
  padding: 12px 14px;
  background: var(--fq-card-bg);
  border: 2px solid var(--ink);
  border-radius: var(--fq-radius);
  box-shadow: var(--shadow-hard-sm);
  color: var(--ink);
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.page-faq .fq-cat:hover,
.page-faq .fq-cat:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--terra);
  background: #fff;
}

.page-faq .fq-cat .mono-num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--terra);
}

.page-faq .fq-cat-label {
  grid-area: label;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.01em;
}

.page-faq .fq-cat-desc {
  grid-area: desc;
  font-size: 12px;
  line-height: 1.5;
  color: var(--sage);
}

.page-faq .fq-hero-visual {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .fq-visual {
  margin: 0;
  border: 2px solid var(--ink);
  border-radius: var(--fq-radius);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  background: var(--pine);
}

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

.page-faq .fq-visual-stat {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--pine);
  color: var(--cream);
  border: 2px solid var(--ink);
  border-radius: var(--fq-radius);
  box-shadow: var(--shadow-gold);
  font-size: 13px;
  line-height: 1.5;
}

.page-faq .fq-visual-stat .mono-num {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  color: var(--gold-lt);
  line-height: 1;
}

/* ---------- 主体：粘性索引 + 问答 ---------- */
.page-faq .fq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 40px);
  padding-top: clamp(26px, 4vw, 52px);
  padding-bottom: clamp(30px, 4vw, 56px);
}

.page-faq .fq-side {
  min-width: 0;
}

.page-faq .fq-index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  padding: 10px 0 0;
  border-top: 2px solid var(--ink);
}

.page-faq .fq-index-link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--pine);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 180ms ease, color 180ms ease;
}

.page-faq .fq-index-link .mono-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--terra);
  letter-spacing: 0.04em;
}

.page-faq .fq-index-link:hover,
.page-faq .fq-index-link:focus-visible {
  border-bottom-color: var(--terra);
  color: var(--terra);
}

.page-faq .fq-side-note {
  margin-top: 18px;
  padding: 14px 16px;
  background: var(--gold-lt);
  border: 2px solid var(--ink);
  border-radius: var(--fq-radius);
  box-shadow: var(--shadow-hard-sm);
}

.page-faq .fq-side-note .tag {
  display: inline-block;
  margin: 0 0 8px;
  padding: 2px 8px;
  background: var(--pine);
  color: var(--gold-lt);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-faq .fq-side-note p:last-child {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink);
}

.page-faq .fq-main {
  min-width: 0;
}

.page-faq .fq-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--ink);
  margin-bottom: clamp(16px, 2vw, 24px);
}

.page-faq .fq-toolbar .eyebrow {
  width: 100%;
  margin: 0 0 4px;
  color: var(--sage);
}

.page-faq .fq-toolbar .filter-btn {
  padding: 6px 12px;
  background: transparent;
  border: 2px solid var(--ink);
  border-radius: var(--fq-radius);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.page-faq .fq-toolbar .filter-btn:hover,
.page-faq .fq-toolbar .filter-btn:focus-visible {
  background: var(--terra);
  color: #fff;
  box-shadow: 3px 3px 0 var(--ink);
}

.page-faq .fq-toolbar .filter-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--sage);
}

.page-faq .fq-toolbar .filter-count span {
  color: var(--terra);
  font-weight: 700;
}

.page-faq .qa-group {
  padding: clamp(18px, 2.4vw, 26px) 0;
  border-top: 2px solid var(--ink);
  scroll-margin-top: 90px;
}

.page-faq .qa-group:first-child {
  border-top: none;
  padding-top: 0;
}

.page-faq .qa-group-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

.page-faq .qa-group-head > .mono-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  line-height: 1;
  color: var(--terra-lt);
  padding-top: 4px;
}

.page-faq .qa-group-head h2 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 27px);
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-faq .qa-group-desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--sage);
}

.page-faq .qa {
  margin-bottom: 10px;
  background: var(--fq-card-bg);
  border: 2px solid var(--ink);
  border-radius: var(--fq-radius);
  overflow: hidden;
}

.page-faq .qa summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 15px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(14px, 1.5vw, 16px);
  font-weight: 700;
  line-height: 1.55;
  transition: background 180ms ease, color 180ms ease;
}

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

.page-faq .qa summary:hover {
  background: rgba(226, 102, 58, 0.12);
}

.page-faq .qa .qa-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--terra);
}

.page-faq .qa .qa-icon {
  flex: none;
  margin-left: auto;
  width: 16px;
  height: 16px;
  position: relative;
  align-self: center;
}

.page-faq .qa .qa-icon::before,
.page-faq .qa .qa-icon::after {
  content: "";
  position: absolute;
  background: currentColor;
}

.page-faq .qa .qa-icon::before {
  top: 7px;
  left: 0;
  width: 16px;
  height: 2px;
}

.page-faq .qa .qa-icon::after {
  top: 0;
  left: 7px;
  width: 2px;
  height: 16px;
  transition: transform 180ms ease;
}

.page-faq .qa[open] > summary {
  background: var(--pine);
  color: var(--cream);
}

.page-faq .qa[open] .qa-num {
  color: var(--gold-lt);
}

.page-faq .qa[open] .qa-icon::after {
  transform: scaleY(0);
}

.page-faq .qa-a {
  padding: 14px 16px 18px;
  border-top: 2px solid var(--ink);
  background: #fff;
}

.page-faq .qa-a p {
  margin: 0;
  font-size: clamp(14px, 1.4vw, 15.5px);
  line-height: 1.85;
  color: var(--ink);
}

/* ---------- 处理路径 ---------- */
.page-faq .fq-path {
  background: var(--pine);
  color: var(--cream);
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  padding: clamp(28px, 4vw, 56px) 0;
}

.page-faq .fq-path-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
  align-items: center;
}

.page-faq .fq-path-fig {
  margin: 0;
  border: 2px solid var(--gold);
  border-radius: var(--fq-radius);
  box-shadow: 8px 8px 0 rgba(200, 163, 91, 0.55);
  overflow: hidden;
  min-width: 0;
}

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

.page-faq .fq-path-body {
  min-width: 0;
}

.page-faq .fq-path-body .eyebrow {
  color: var(--gold-lt);
}

.page-faq .fq-path-body h2 {
  margin: 8px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 900;
  line-height: 1.15;
  color: var(--cream);
}

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

.page-faq .fq-steps li {
  padding: 14px 16px;
  background: rgba(244, 239, 231, 0.06);
  border-left: 4px solid var(--terra-lt);
}

.page-faq .fq-steps .mono-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--gold-lt);
  margin-bottom: 4px;
}

.page-faq .fq-steps h3 {
  margin: 0 0 6px;
  font-size: clamp(15px, 1.6vw, 17px);
  font-weight: 800;
  color: var(--cream);
}

.page-faq .fq-steps p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(244, 239, 231, 0.82);
}

.page-faq .fq-path-note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 2px solid rgba(228, 201, 135, 0.4);
  font-size: 13px;
  line-height: 1.7;
  color: var(--gold-lt);
}

/* ---------- 术语 ---------- */
.page-faq .fq-glossary {
  padding: clamp(28px, 4vw, 56px) 0;
  background:
    repeating-linear-gradient(90deg, rgba(26, 27, 24, 0.045) 0 2px, transparent 2px 26px),
    var(--cream);
  border-bottom: 2px solid var(--ink);
}

.page-faq .fq-glossary-head {
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-faq .fq-glossary-head .eyebrow {
  color: var(--sage);
}

.page-faq .fq-glossary-head h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-faq .fq-glossary-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .fq-term {
  padding: 16px 18px 18px;
  background: var(--fq-card-bg);
  border: 2px solid var(--ink);
  border-radius: var(--fq-radius);
  box-shadow: var(--shadow-hard-sm);
}

.page-faq .fq-term h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 900;
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-faq .fq-term h3::before {
  content: "";
  width: 10px;
  height: 10px;
  flex: none;
  background: var(--terra);
}

.page-faq .fq-term--b h3::before {
  background: var(--gold);
}

.page-faq .fq-term--c h3::before {
  background: var(--pine-mid);
}

.page-faq .fq-term--d h3::before {
  background: var(--sage);
}

.page-faq .fq-term p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 仍需帮助 ---------- */
.page-faq .fq-help {
  padding: clamp(26px, 4vw, 52px) 0;
  background: var(--terra);
  color: #fff;
}

.page-faq .fq-help-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 30px);
  align-items: center;
}

.page-faq .fq-help .eyebrow {
  color: var(--gold-lt);
}

.page-faq .fq-help h2 {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 36px);
  font-weight: 900;
  line-height: 1.2;
}

.page-faq .fq-help p {
  margin: 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
}

.page-faq .fq-help-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .fq-help-links .btn {
  display: inline-block;
  padding: 11px 18px;
  border: 2px solid var(--ink);
  border-radius: var(--fq-radius);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  color: var(--ink);
  background: var(--cream);
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.page-faq .fq-help-links .btn-solid {
  background: var(--ink);
  color: var(--cream);
}

.page-faq .fq-help-links .btn:hover,
.page-faq .fq-help-links .btn:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--pine);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .fq-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-faq .fq-index {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .fq-hero-grid {
    grid-template-columns: 1.12fr 0.88fr;
    align-items: start;
  }

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

  .page-faq .fq-body {
    grid-template-columns: 244px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .fq-side {
    position: sticky;
    top: 96px;
  }

  .page-faq .fq-index {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .page-faq .fq-index-link {
    border-bottom: none;
    border-left: 3px solid transparent;
    padding: 7px 10px;
  }

  .page-faq .fq-index-link:hover,
  .page-faq .fq-index-link:focus-visible {
    border-left-color: var(--terra);
    border-bottom-color: transparent;
  }

  .page-faq .fq-toolbar .eyebrow {
    width: auto;
    margin: 0 8px 0 0;
  }

  .page-faq .fq-path-grid {
    grid-template-columns: 0.92fr 1.08fr;
  }

  .page-faq .fq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

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

  .page-faq .fq-help-inner {
    grid-template-columns: 1.25fr 0.75fr;
  }

  .page-faq .fq-help-links {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .fq-cat,
  .page-faq .fq-index-link,
  .page-faq .qa summary,
  .page-faq .qa .qa-icon::after,
  .page-faq .fq-help-links .btn {
    transition: none;
  }

  .page-faq .fq-cat:hover,
  .page-faq .fq-help-links .btn:hover {
    transform: none;
  }
}
<<<END>>>