.page-faq {
  --faq-sec-pad: clamp(2.2rem, 5vw, 3.6rem);
  --faq-card-pad: clamp(1.1rem, 2.5vw, 1.5rem);
  background: var(--ay-night);
  color: var(--ay-cream);
  font-family: var(--ay-font-sans);
  overflow-x: hidden;
}

.page-faq .ay-breadcrumb {
  padding-top: 1.1rem;
  padding-bottom: 0.4rem;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(1.6rem, 4vw, 2.6rem) 0 clamp(2.4rem, 5vw, 4rem);
  background-image:
    repeating-linear-gradient(90deg, var(--ay-grid-line) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(0deg, var(--ay-grid-line) 0 1px, transparent 1px 88px);
  border-bottom: 2px solid var(--ay-cream-10);
}

.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.6rem, 4vw, 2.6rem);
  align-items: end;
}

.page-faq .faq-hero__title {
  margin: 0.5rem 0 0.9rem;
  font-size: clamp(2rem, 7.5vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.03;
  color: var(--ay-cream);
}

.page-faq .faq-hero__lead {
  margin: 0 0 1.4rem;
  max-width: 46ch;
  font-size: clamp(0.98rem, 1.6vw, 1.08rem);
  line-height: 1.75;
  color: var(--ay-cream-70);
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-faq .faq-panel {
  border: 2px solid var(--ay-line);
  background: var(--ay-deep);
  box-shadow: var(--ay-shadow-hard);
  padding: var(--faq-card-pad);
}

.page-faq .faq-panel__head {
  margin: 0 0 0.85rem;
  color: var(--ay-slate);
}

.page-faq .faq-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-faq .faq-panel__link {
  display: grid;
  grid-template-columns: 2.2rem 1fr auto;
  align-items: center;
  gap: 0.65rem;
  padding: 0.65rem 0.7rem;
  border: 2px solid var(--ay-cream-16);
  color: var(--ay-cream);
  text-decoration: none;
  font-size: 0.95rem;
  transition: border-color 180ms ease, background-color 180ms ease;
}

.page-faq .faq-panel__idx {
  color: var(--ay-cyan);
  font-size: 0.8rem;
}

.page-faq .faq-panel__n {
  color: var(--ay-slate);
  font-size: 0.75rem;
}

.page-faq .faq-panel__link:hover,
.page-faq .faq-panel__link:focus-visible {
  border-color: var(--ay-cyan);
  background: var(--ay-cyan-12);
}

.page-faq .faq-panel__foot {
  margin: 0.9rem 0 0;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--ay-slate);
  border-left: 3px solid var(--ay-clay);
  padding-left: 0.7rem;
}

/* ---------- 通用节标题 ---------- */
.page-faq .faq-sec-head {
  max-width: 62ch;
  margin-bottom: clamp(1.3rem, 3vw, 2rem);
}

.page-faq .faq-sec-head h2 {
  margin: 0.45rem 0 0.6rem;
  font-size: clamp(1.5rem, 4.2vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.16;
  color: var(--ay-cream);
}

.page-faq .faq-sec-head__desc {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--ay-cream-70);
}

/* ---------- 三步路线 ---------- */
.page-faq .faq-flow {
  padding: var(--faq-sec-pad) 0;
  border-bottom: 2px solid var(--ay-cream-10);
}

.page-faq .faq-flow__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.4rem, 3vw, 2rem);
}

.page-faq .faq-flow__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  counter-reset: faqstep;
}

.page-faq .faq-flow__steps li {
  position: relative;
  padding: 1.15rem 1.15rem 1.2rem 3.5rem;
  border: 2px solid var(--ay-cream-16);
  background: var(--ay-deep);
  box-shadow: var(--ay-shadow-hard);
}

.page-faq .faq-flow__steps li::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 1.15rem;
  top: 1.15rem;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 2px solid var(--ay-cyan);
  background: var(--ay-night);
  color: var(--ay-cyan);
  font-family: var(--ay-font-data);
  font-size: 0.78rem;
}

.page-faq .faq-flow__steps li::after {
  content: "";
  position: absolute;
  left: calc(1.15rem + 1rem - 1px);
  top: 3.25rem;
  bottom: -1.25rem;
  width: 2px;
  background: linear-gradient(180deg, var(--ay-cyan-30), var(--ay-cream-16));
}

.page-faq .faq-flow__steps li:last-child::after {
  display: none;
}

.page-faq .faq-flow__title {
  margin: 0 0 0.4rem;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ay-cream);
}

.page-faq .faq-flow__text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--ay-cream-70);
}

.page-faq .faq-media {
  border: 2px solid var(--ay-cream-16);
  box-shadow: var(--ay-shadow-hard);
  background: var(--ay-deep);
}

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

.page-faq .faq-media .ay-media__cap {
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

/* ---------- 版本对照 ---------- */
.page-faq .faq-versus-sec {
  padding: var(--faq-sec-pad) 0;
  border-bottom: 2px solid var(--ay-cream-10);
}

.page-faq .faq-versus {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.1rem, 3vw, 1.6rem);
}

.page-faq .faq-versus__card {
  padding: var(--faq-card-pad);
  border: 2px solid;
  box-shadow: var(--ay-shadow-hard);
}

.page-faq .faq-versus__card--new {
  border-color: var(--ay-cyan);
  background:
    linear-gradient(155deg, var(--ay-cyan-12), transparent 62%),
    var(--ay-deep);
  color: var(--ay-cream);
}

.page-faq .faq-versus__card--old {
  border-color: var(--ay-clay);
  background:
    repeating-linear-gradient(0deg, rgba(2, 7, 13, 0.035) 0 1px, transparent 1px 5px),
    var(--ay-paper);
  color: var(--ay-ink);
}

.page-faq .faq-versus__title {
  margin: 0.8rem 0 1rem;
  font-size: clamp(1.08rem, 2.4vw, 1.3rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.page-faq .faq-versus__card--old .faq-versus__title {
  color: var(--ay-ink);
}

.page-faq .faq-versus__list {
  margin: 0;
  display: grid;
  gap: 0.9rem;
}

.page-faq .faq-versus__list dt {
  font-family: var(--ay-font-data);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--ay-slate);
  margin-bottom: 0.3rem;
}

.page-faq .faq-versus__card--old .faq-versus__list dt {
  color: #6b5b45;
}

.page-faq .faq-versus__list dd {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.68;
  color: var(--ay-cream-70);
}

.page-faq .faq-versus__card--old .faq-versus__list dd {
  color: #241d15;
}

.page-faq .faq-versus__more {
  margin: clamp(1.2rem, 3vw, 1.8rem) 0 0;
}

/* ---------- 问答区 ---------- */
.page-faq .faq-qa {
  padding: var(--faq-sec-pad) 0;
  border-bottom: 2px solid var(--ay-cream-10);
}

.page-faq .faq-qa__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.4rem, 3vw, 2.4rem);
}

.page-faq .faq-toc {
  border: 2px solid var(--ay-cream-16);
  background: var(--ay-deep);
  padding: var(--faq-card-pad);
}

.page-faq .faq-toc .ay-label {
  display: block;
  color: var(--ay-slate);
  margin-bottom: 0.8rem;
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-faq .faq-toc__list a {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.5rem;
  align-items: baseline;
  padding: 0.45rem 0.3rem;
  color: var(--ay-cream-70);
  text-decoration: none;
  font-size: 0.92rem;
  border-bottom: 1px dashed var(--ay-cream-16);
  transition: color 160ms ease, border-color 160ms ease;
}

.page-faq .faq-toc__list a:hover,
.page-faq .faq-toc__list a:focus-visible {
  color: var(--ay-cyan);
  border-bottom-color: var(--ay-cyan);
}

.page-faq .faq-toc__list .ay-data {
  color: var(--ay-cyan);
  font-size: 0.74rem;
}

.page-faq .faq-qa__body {
  display: grid;
  gap: clamp(1.6rem, 3vw, 2.2rem);
}

.page-faq .faq-group {
  scroll-margin-top: 1.5rem;
}

.page-faq .faq-group__title {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0 0 0.9rem;
  padding-bottom: 0.6rem;
  font-size: clamp(1.05rem, 2.4vw, 1.22rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ay-cream);
  border-bottom: 2px solid var(--ay-cream-16);
}

.page-faq .faq-group__title .ay-data {
  color: var(--ay-cyan);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}

.page-faq .faq-q {
  border: 2px solid var(--ay-cream-16);
  background: var(--ay-deep);
  margin-bottom: 0.7rem;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.page-faq .faq-q[open] {
  border-color: var(--ay-cyan-30);
  box-shadow: var(--ay-shadow-hard);
}

.page-faq .faq-q summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 0.95rem 2.8rem 0.95rem 1rem;
  font-size: 0.97rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ay-cream);
}

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

.page-faq .faq-q summary::after {
  content: "+";
  position: absolute;
  right: 0.95rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--ay-font-data);
  font-size: 1.15rem;
  color: var(--ay-cyan);
}

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

.page-faq .faq-q summary:focus-visible {
  outline: 2px solid var(--ay-cyan);
  outline-offset: -3px;
}

.page-faq .faq-q__a {
  margin: 0 1rem 1rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--ay-cream-10);
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--ay-cream-70);
}

.page-faq .faq-metrics {
  margin-top: 0.9rem;
  padding: var(--faq-card-pad);
  border: 2px dashed var(--ay-line);
  background: rgba(46, 242, 208, 0.04);
}

.page-faq .faq-metrics .ay-label {
  display: block;
  margin-bottom: 0.7rem;
  color: var(--ay-slate);
}

.page-faq .faq-metrics__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.page-faq .faq-metrics__list li {
  font-family: var(--ay-font-data);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  padding: 0.28rem 0.6rem;
  border: 1px solid var(--ay-cyan-30);
  color: var(--ay-cyan);
  background: var(--ay-cyan-12);
}

/* ---------- 联系客服 ---------- */
.page-faq .faq-contact {
  padding: var(--faq-sec-pad) 0;
  border-bottom: 2px solid var(--ay-cream-10);
  scroll-margin-top: 1.5rem;
}

.page-faq .faq-contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.4rem, 3vw, 2.2rem);
  align-items: start;
}

.page-faq .faq-contact__main {
  display: grid;
  gap: clamp(1.1rem, 2.5vw, 1.5rem);
}

.page-faq .faq-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-faq .faq-checklist li {
  display: grid;
  grid-template-columns: 1.5rem 1fr;
  gap: 0.75rem;
  align-items: start;
  font-size: 0.93rem;
  line-height: 1.68;
  color: var(--ay-cream-70);
}

.page-faq .faq-checklist li::before {
  content: "✓";
  display: grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  margin-top: 0.1rem;
  border: 2px solid var(--ay-cyan);
  background: var(--ay-cyan-12);
  color: var(--ay-cyan);
  font-size: 0.78rem;
  line-height: 1;
}

.page-faq .faq-contact__card {
  border: 2px solid var(--ay-line);
  background: var(--ay-deep);
  box-shadow: var(--ay-shadow-hard);
  padding: var(--faq-card-pad);
}

.page-faq .faq-contact__card .ay-label {
  display: block;
  margin-bottom: 0.8rem;
  color: var(--ay-slate);
}

.page-faq .faq-contact__list {
  margin: 0;
  display: grid;
  gap: 0.8rem;
}

.page-faq .faq-contact__list div {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 0.7rem;
  align-items: baseline;
  border-bottom: 1px dashed var(--ay-cream-16);
  padding-bottom: 0.7rem;
}

.page-faq .faq-contact__list div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-contact__list dt {
  font-family: var(--ay-font-data);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--ay-slate);
}

.page-faq .faq-contact__list dd {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.66;
  color: var(--ay-cream);
  word-break: break-word;
}

.page-faq .faq-contact__list a {
  color: var(--ay-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--ay-cyan-30);
}

.page-faq .faq-contact__list a:hover,
.page-faq .faq-contact__list a:focus-visible {
  border-bottom-color: var(--ay-cyan);
}

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

.page-faq .faq-contact__media {
  border-color: var(--ay-line);
}

/* ---------- 继续看 ---------- */
.page-faq .faq-next {
  padding: var(--faq-sec-pad) 0 clamp(2.2rem, 5vw, 3.2rem);
  background:
    linear-gradient(150deg, rgba(255, 122, 26, 0.09), transparent 58%),
    var(--ay-night);
}

.page-faq .faq-next__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
  align-items: center;
}

.page-faq .faq-next__title {
  margin: 0;
  font-size: clamp(1.2rem, 3vw, 1.55rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ay-cream);
}

.page-faq .faq-next__links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.6rem;
}

.page-faq .faq-next__link {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.55rem;
  align-items: center;
  padding: 0.65rem 0.85rem;
  border: 2px solid var(--ay-cream-16);
  color: var(--ay-cream);
  text-decoration: none;
  font-size: 0.92rem;
  transition: border-color 170ms ease, background-color 170ms ease;
}

.page-faq .faq-next__link .ay-data {
  color: var(--ay-signal);
  font-size: 0.74rem;
}

.page-faq .faq-next__link:hover,
.page-faq .faq-next__link:focus-visible {
  border-color: var(--ay-signal);
  background: rgba(255, 122, 26, 0.1);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-next__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(2rem, 4vw, 3.2rem);
  }

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

  .page-faq .faq-flow__steps li::after {
    left: calc(1.15rem + 2rem + 0.2rem);
    top: calc(1.15rem + 1rem - 1px);
    bottom: auto;
    width: calc(100% - 3.35rem + 1.05rem);
    height: 2px;
    background: linear-gradient(90deg, var(--ay-cyan-30), var(--ay-cream-16));
  }

  .page-faq .faq-flow__steps li:last-child::after {
    display: block;
  }

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

  .page-faq .faq-qa__inner {
    grid-template-columns: minmax(0, 230px) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 1.25rem;
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-faq .faq-next__inner {
    grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
    gap: 2rem;
  }

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

@media (min-width: 1180px) {
  .page-faq .faq-hero__title {
    font-size: clamp(3.2rem, 5.2vw, 4.4rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-panel__link,
  .page-faq .faq-toc__list a,
  .page-faq .faq-q,
  .page-faq .faq-next__link {
    transition: none;
  }
}
<<<END>>>