.page-faq {
  --faq-space: clamp(14px, 2.2vw, 22px);
  --faq-quiet: rgba(247, 243, 234, .74);
  background:
    radial-gradient(88% 54% at 100% 0%, rgba(31, 107, 255, .26), transparent 62%),
    linear-gradient(180deg, var(--c-indigo) 0%, var(--c-indigo-2) 46%, var(--c-indigo) 100%);
  color: var(--c-paper);
  overflow-x: hidden;
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(14px, 3vw, 28px) 0 clamp(40px, 6vw, 76px);
}

.page-faq .breadcrumb { margin-bottom: clamp(22px, 4vw, 40px); }

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-faq .faq-hero__text h1 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: clamp(31px, 6.2vw, 60px);
  line-height: 1.02;
  font-weight: 900;
  letter-spacing: -.02em;
  max-width: 16em;
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.78;
  color: var(--faq-quiet);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: var(--edge);
  border-radius: var(--r-l);
  overflow: hidden;
  background: var(--c-paper);
  box-shadow: var(--lift-hi);
  transform: rotate(-1.4deg);
}

.page-faq .faq-hero__figure img { width: 100%; }

/* ---------- 两步排查 ---------- */
.page-faq .faq-path {
  padding: 0 0 clamp(40px, 6vw, 80px);
  scroll-margin-top: calc(var(--header-h) + 12px);
}

.page-faq .faq-section-head { max-width: 60ch; margin-bottom: clamp(22px, 3.4vw, 34px); }

.page-faq .faq-section-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(23px, 3.4vw, 36px);
  line-height: 1.12;
  font-weight: 800;
}

.page-faq .faq-section-head p {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--faq-quiet);
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--faq-space);
}

.page-faq .faq-step {
  border: var(--edge);
  border-radius: var(--r-m);
  padding: clamp(18px, 3vw, 28px);
  box-shadow: var(--lift);
  transition: transform .2s ease, box-shadow .2s ease;
}

.page-faq .faq-step:hover { transform: translate(-2px, -2px); box-shadow: var(--lift-hi); }

.page-faq .faq-step:nth-child(1) { background: var(--c-orange); color: var(--c-ink); }
.page-faq .faq-step:nth-child(2) { background: var(--c-blue); color: var(--c-paper); }

.page-faq .faq-step__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  border: 1.5px solid currentColor;
  opacity: .85;
}

.page-faq .faq-step h3 {
  margin: 14px 0 8px;
  font-family: var(--font-head);
  font-size: clamp(19px, 2.6vw, 25px);
  line-height: 1.2;
  font-weight: 800;
}

.page-faq .faq-step p { margin: 0; font-size: 15px; line-height: 1.72; }

.page-faq .faq-path__note {
  margin: var(--faq-space) 0 0;
  padding: 14px 18px;
  border: 2px dashed rgba(255, 201, 60, .55);
  border-radius: var(--r-m);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-yellow);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding: 0 0 clamp(50px, 8vw, 100px);
}

.page-faq .faq-layout { display: grid; gap: clamp(24px, 3vw, 44px); }

.page-faq .faq-toc {
  border: 2px solid rgba(247, 243, 234, .2);
  border-radius: var(--r-m);
  background: rgba(247, 243, 234, .05);
  padding: 16px 18px;
}

.page-faq .faq-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--c-yellow);
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-faq .faq-toc__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 11px;
  border-radius: 9px;
  border: 1px solid transparent;
  color: var(--c-paper);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.3;
  transition: background .18s ease, border-color .18s ease;
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  background: rgba(247, 243, 234, .1);
  border-color: rgba(247, 243, 234, .3);
}

.page-faq .faq-toc__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-orange);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 14px);
  margin-bottom: clamp(38px, 5.5vw, 68px);
}

.page-faq .faq-group:last-child { margin-bottom: 0; }

.page-faq .faq-group__head {
  display: flex;
  gap: clamp(12px, 2vw, 18px);
  align-items: flex-start;
  margin-bottom: clamp(16px, 2.4vw, 22px);
}

.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: clamp(26px, 4.6vw, 42px);
  font-weight: 700;
  line-height: .86;
  color: var(--c-orange);
}

.page-faq .faq-group__head h2 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: clamp(21px, 3.2vw, 30px);
  line-height: 1.15;
  font-weight: 800;
}

.page-faq .faq-group__head p {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--faq-quiet);
}

.page-faq .faq-figure {
  margin: 0 0 clamp(16px, 2.4vw, 22px);
  border: var(--edge);
  border-radius: var(--r-m);
  overflow: hidden;
  background: var(--c-indigo-2);
  box-shadow: var(--lift);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border: 2px solid var(--c-print);
  border-left: 6px solid var(--c-orange);
  border-radius: var(--r-s);
  background: var(--c-paper);
  color: var(--c-ink);
  box-shadow: 5px 5px 0 rgba(8, 10, 20, .72);
  margin-bottom: 12px;
  transition: box-shadow .2s ease, transform .2s ease;
}

.page-faq .qa:hover { transform: translate(-1px, -1px); box-shadow: 7px 7px 0 rgba(8, 10, 20, .82); }
.page-faq .qa[open] { box-shadow: 9px 9px 0 rgba(8, 10, 20, .85); }

.page-faq .qa summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.5;
}

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

.page-faq .qa summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--c-blue);
  flex: none;
}

.page-faq .qa[open] summary::after { content: "−"; color: var(--c-orange); }

.page-faq .qa summary:focus-visible {
  outline: 2px dashed var(--c-blue);
  outline-offset: -4px;
}

.page-faq .qa__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--c-orange);
  flex: none;
  padding-top: 3px;
}

.page-faq .qa__body {
  padding: 0 18px 18px;
  border-top: 1px dashed rgba(16, 20, 38, .22);
  margin-top: 2px;
  padding-top: 14px;
}

.page-faq .qa__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(16, 20, 38, .88);
}

.page-faq .qa__body p + p { margin-top: 10px; }

.page-faq .qa__hint {
  padding: 10px 12px;
  border-left: 3px solid var(--c-blue);
  border-radius: 0 8px 8px 0;
  background: rgba(31, 107, 255, .09);
  font-size: 14px;
  color: rgba(16, 20, 38, .78);
}

/* ---------- 联系方式卡 ---------- */
.page-faq .faq-contact {
  margin-top: clamp(20px, 3vw, 30px);
  padding: clamp(20px, 3vw, 32px);
  border: var(--edge);
  border-radius: var(--r-l);
  background: var(--c-blue);
  color: var(--c-paper);
  box-shadow: var(--lift);
}

.page-faq .faq-contact h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 800;
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(247, 243, 234, .34);
}

.page-faq .faq-contact__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-yellow);
  min-width: 76px;
}

.page-faq .faq-contact__val {
  font-weight: 600;
  font-size: 15px;
  word-break: break-word;
}

.page-faq .faq-contact__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(247, 243, 234, .86);
}

.page-faq .faq-contact__legal {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(247, 243, 234, .7);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-steps { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner { grid-template-columns: 1.06fr .94fr; }
  .page-faq .faq-layout { grid-template-columns: 236px minmax(0, 1fr); align-items: start; }
  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--header-h) + 18px);
  }
  .page-faq .faq-toc__list { flex-direction: column; gap: 2px; }
  .page-faq .faq-toc__link { width: 100%; }
}

@media (min-width: 1100px) {
  .page-faq .faq-hero__inner { grid-template-columns: 1.1fr .9fr; }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step:hover,
  .page-faq .qa:hover { transform: none; }
  .page-faq .faq-hero__figure { transform: none; }
  .page-faq .qa,
  .page-faq .faq-step,
  .page-faq .faq-toc__link { transition: none; }
}
<<<END>>>