.page-faq {
  --faq-line: rgba(199, 208, 206, 0.22);
  --faq-line-soft: rgba(36, 28, 25, 0.14);
  --faq-wash: rgba(246, 241, 230, 0.055);

  background:
    radial-gradient(880px 420px at 8% -6%, rgba(226, 118, 47, 0.18), transparent 62%),
    radial-gradient(640px 400px at 96% 10%, rgba(63, 107, 91, 0.22), transparent 66%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-deep) 100%);
  color: var(--text-on-ink);
  padding-bottom: clamp(48px, 7vw, 96px);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-faq .crumbs {
  padding-top: clamp(18px, 2.4vw, 30px);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
}
.page-faq .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .crumbs li + li::before {
  content: "/";
  padding: 0 8px;
  color: var(--divider);
  opacity: 0.45;
}
.page-faq .crumbs a {
  color: var(--text-muted-on-ink);
  text-decoration: none;
  transition: color 0.18s ease;
}
.page-faq .crumbs a:hover,
.page-faq .crumbs a:focus-visible {
  color: var(--accent);
}
.page-faq .crumbs li[aria-current="page"] {
  color: var(--accent);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(24px, 4.4vw, 48px) 0 clamp(22px, 3.4vw, 38px);
}
.page-faq .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin: 0 0 14px;
}
.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 6.2vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.012em;
  margin: 0 0 18px;
  max-width: 17ch;
}
.page-faq .faq-hero .lede {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.7vw, 1.12rem);
  line-height: 1.9;
  color: var(--text-on-ink);
  opacity: 0.86;
  max-width: 62ch;
  margin: 0;
}

.page-faq .faq-quick {
  list-style: none;
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-faq .faq-quick a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--faq-line);
  background: var(--faq-wash);
  color: var(--text-on-ink);
  text-decoration: none;
  font-size: 0.93rem;
  line-height: 1.55;
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}
.page-faq .faq-quick a:hover,
.page-faq .faq-quick a:focus-visible {
  border-color: var(--accent);
  background: rgba(226, 118, 47, 0.14);
  transform: translateY(-2px);
}
.page-faq .faq-quick .q-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  flex: none;
}

/* ---------- 主体双栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(26px, 3.4vw, 40px);
  padding-top: clamp(8px, 1.6vw, 18px);
}

/* 左侧问题索引 */
.page-faq .ask-index__title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--text-muted-on-ink);
  margin: 0 0 16px;
}
.page-faq .ask-group + .ask-group {
  margin-top: 20px;
}
.page-faq .ask-group__head {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
}
.page-faq .ask-group__head a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.18s ease, color 0.18s ease;
}
.page-faq .ask-group__head a:hover,
.page-faq .ask-group__head a:focus-visible {
  border-bottom-color: var(--accent);
}
.page-faq .ask-group__head a.is-current,
.page-faq .ask-group__head a[aria-current="true"] {
  color: var(--accent-soft);
  border-bottom-color: var(--accent);
}
.page-faq .ask-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}
.page-faq .ask-list a {
  display: block;
  padding: 6px 0 6px 12px;
  border-left: 2px solid var(--faq-line);
  color: var(--text-muted-on-ink);
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.6;
  text-decoration: none;
  transition: color 0.16s ease, border-color 0.16s ease;
}
.page-faq .ask-list a:hover,
.page-faq .ask-list a:focus-visible {
  color: var(--text-on-ink);
  border-left-color: var(--accent);
}

/* 右侧答案列 */
.page-faq .answer-column {
  display: grid;
  gap: clamp(22px, 3vw, 32px);
  min-width: 0;
}
.page-faq .answer-group {
  background: var(--paper);
  color: var(--text-on-paper);
  border-radius: var(--radius-lg);
  padding: clamp(22px, 3.6vw, 42px);
  box-shadow: var(--shadow-paper);
}
.page-faq .answer-group__label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin: 0 0 8px;
}
.page-faq .answer-group > h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.45rem, 3.2vw, 2.05rem);
  line-height: 1.2;
  letter-spacing: -0.008em;
  color: var(--brown);
  margin: 0 0 20px;
}

/* 问答条目 */
.page-faq .qa {
  padding: 22px 0;
}
.page-faq .qa + .qa {
  border-top: 1px dashed var(--faq-line-soft);
}
.page-faq .qa__q {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.06rem, 2.1vw, 1.28rem);
  line-height: 1.45;
  color: var(--brown);
  margin: 0 0 14px;
}
.page-faq .steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-faq .steps li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 42px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-on-paper);
}
.page-faq .steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0;
}
.page-faq .qa__note {
  margin: 16px 0 0;
  padding: 12px 16px;
  border-left: 3px solid var(--gold);
  background: var(--paper-soft);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-family: var(--font-body);
  font-size: 0.87rem;
  line-height: 1.75;
  color: var(--text-muted-on-paper);
}
.page-faq .qa__note a {
  color: var(--gold-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .qa__note a:hover,
.page-faq .qa__note a:focus-visible {
  color: var(--accent);
}

/* 图 */
.page-faq .faq-figure {
  margin: 22px 0 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--paper-soft);
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-faq .faq-figure--drawer {
  max-width: 460px;
}
.page-faq .faq-figure--phone {
  max-width: 340px;
}
.page-faq .faq-figure .media-frame__label {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--text-muted-on-paper);
  background: var(--paper-soft);
}

/* ---------- 排查顺序 ---------- */
.page-faq .faq-trouble {
  margin-top: clamp(40px, 6vw, 76px);
  padding: clamp(36px, 5.4vw, 68px) 0;
  border-top: 1px solid var(--faq-line);
  border-bottom: 1px solid var(--faq-line);
}
.page-faq .faq-trouble .display-2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.5rem, 3.6vw, 2.3rem);
  line-height: 1.22;
  letter-spacing: -0.008em;
  margin: 0 0 clamp(22px, 3vw, 34px);
  max-width: 26ch;
}
.page-faq .trouble-list {
  list-style: none;
  counter-reset: tr;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.page-faq .trouble-list li {
  counter-increment: tr;
  position: relative;
  padding: 20px 0 20px 46px;
  border-top: 1px solid var(--faq-line);
  font-family: var(--font-body);
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--text-on-ink);
}
.page-faq .trouble-list li:last-child {
  border-bottom: 1px solid var(--faq-line);
}
.page-faq .trouble-list li::before {
  content: counter(tr, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 22px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--accent);
}
.page-faq .trouble-tail {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-muted-on-ink);
}
.page-faq .trouble-tail a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(226, 118, 47, 0.5);
}
.page-faq .trouble-tail a:hover,
.page-faq .trouble-tail a:focus-visible {
  border-bottom-color: var(--accent);
}

/* ---------- 仍需协助 ---------- */
.page-faq .faq-assist {
  padding-top: clamp(36px, 5vw, 64px);
}
.page-faq .assist-card {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
  background: var(--paper);
  color: var(--text-on-paper);
  border-radius: var(--radius-lg);
  border-top: 4px solid var(--accent);
  padding: clamp(24px, 4vw, 48px);
  box-shadow: var(--shadow-paper);
}
.page-faq .assist-card__head .eyebrow {
  color: var(--gold-deep);
}
.page-faq .assist-card__head h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.4rem, 3.2vw, 2rem);
  line-height: 1.2;
  color: var(--brown);
  margin: 0 0 12px;
}
.page-faq .assist-lede {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--text-muted-on-paper);
}
.page-faq .assist-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-faq .assist-list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-family: var(--font-body);
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--text-on-paper);
}
.page-faq .assist-list .mono {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--gold-deep);
  flex: none;
}
.page-faq .assist-contact {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px dashed var(--faq-line-soft);
  display: grid;
  gap: 10px;
}
.page-faq .assist-line {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  align-items: baseline;
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.7;
}
.page-faq .assist-line__k {
  min-width: 4.2em;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--text-muted-on-paper);
}
.page-faq .assist-line .mono {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--brown);
  word-break: break-all;
}
.page-faq .assist-cta {
  margin: 22px 0 0;
}

/* ---------- 交互残影 ---------- */
.page-faq .answer-group[data-chapter].is-current {
  outline: 1px solid rgba(226, 118, 47, 0.4);
  outline-offset: 3px;
}
.page-faq [data-reveal] {
  opacity: 1;
}
.page-faq.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.42s ease, transform 0.42s ease;
}
.page-faq.has-js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 响应式 ---------- */
@media (max-width: 919px) {
  .page-faq .ask-index {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 20px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--faq-line);
  }
  .page-faq .ask-index__title {
    grid-column: 1 / -1;
    margin-bottom: 0;
  }
  .page-faq .ask-group + .ask-group {
    margin-top: 0;
  }
  .page-faq .ask-list a {
    font-size: 0.82rem;
  }
}

@media (max-width: 559px) {
  .page-faq .ask-index {
    grid-template-columns: 1fr;
  }
  .page-faq .faq-quick a {
    border-radius: var(--radius-md);
  }
  .page-faq .faq-figure--drawer,
  .page-faq .faq-figure--phone {
    max-width: 100%;
  }
}

@media (min-width: 920px) {
  .page-faq .faq-body {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: clamp(34px, 4vw, 52px);
  }
  .page-faq .ask-index {
    position: sticky;
    top: 28px;
    align-self: start;
  }
  .page-faq .faq-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-faq .assist-card {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    gap: clamp(34px, 4vw, 56px);
  }
  .page-faq .trouble-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 26px;
  }
  .page-faq .trouble-list li:last-child {
    border-bottom: 1px solid var(--faq-line);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick a,
  .page-faq .ask-list a,
  .page-faq .crumbs a,
  .page-faq [data-reveal] {
    transition: none !important;
    transform: none !important;
  }
  .page-faq.has-js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}
<<<END>>>