.page-faq {
  --faq-body: #c3d6e6;
  --faq-gap: clamp(14px, 2vw, 24px);
  padding: clamp(20px, 3.4vw, 46px) 0 clamp(48px, 6vw, 92px);
  color: var(--paper);
  font-family: var(--font-body);
  background:
    radial-gradient(120% 60% at 88% -8%, rgba(33, 243, 214, 0.12), transparent 62%),
    radial-gradient(90% 50% at 2% 10%, rgba(61, 139, 255, 0.1), transparent 58%),
    var(--deep);
  overflow-x: clip;
}

.page-faq a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(168, 255, 242, 0.32);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-faq .breadcrumbs {
  margin-bottom: clamp(16px, 2.4vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(18px, 3vw, 36px);
  padding-bottom: clamp(22px, 3.4vw, 40px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 6.4vw, 68px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  margin: 0.3em 0 0.34em;
  color: var(--paper);
}

.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 48ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--faq-body);
}

.page-faq .faq-hero-note {
  margin: 0.9em 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mist);
  padding-left: 12px;
  border-left: 2px solid rgba(255, 107, 74, 0.7);
}

.page-faq .faq-hero-card {
  padding: clamp(18px, 2.4vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--r-l);
  background: linear-gradient(165deg, rgba(11, 42, 69, 0.98), rgba(6, 26, 46, 0.98));
  box-shadow: inset 0 1px 0 rgba(234, 246, 255, 0.06);
}

.page-faq .faq-card-label {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--cyan);
  text-transform: uppercase;
}

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

.page-faq .faq-triage li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-faq .faq-triage-key {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(33, 243, 214, 0.45);
  color: var(--cyan);
  font-size: 13px;
}

.page-faq .faq-triage strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
  margin-bottom: 3px;
}

.page-faq .faq-triage p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 目录与问答 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  margin-top: clamp(24px, 3.6vw, 44px);
}

.page-faq .faq-toc {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: linear-gradient(180deg, rgba(18, 48, 72, 0.72), rgba(18, 48, 72, 0.4));
  backdrop-filter: blur(10px);
}

.page-faq .faq-toc-label {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.22em;
  color: var(--ice);
  text-transform: uppercase;
}

.page-faq .faq-toc ol {
  list-style: none;
  margin: 10px 0 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-toc a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  white-space: nowrap;
  font-size: 13px;
  color: var(--mist);
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-toc a .mono {
  font-size: 11.5px;
  color: var(--coral);
  letter-spacing: 0.04em;
}

.page-faq .faq-toc a:hover {
  color: var(--paper);
  border-color: rgba(33, 243, 214, 0.45);
  background: rgba(33, 243, 214, 0.08);
}

.page-faq .faq-answers {
  display: grid;
  gap: clamp(12px, 1.8vw, 18px);
}

.page-faq .faq-item {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: linear-gradient(180deg, rgba(11, 42, 69, 0.97), rgba(10, 36, 58, 0.86));
  overflow: hidden;
  transition: border-color 0.18s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(33, 243, 214, 0.32);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--line);
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-faq .faq-item[open]::before {
  background: linear-gradient(180deg, var(--cyan), rgba(33, 243, 214, 0.08));
  box-shadow: 0 0 18px rgba(33, 243, 214, 0.35);
}

.page-faq .faq-item > summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: clamp(14px, 2vw, 20px) clamp(14px, 2.2vw, 24px);
}

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

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

.page-faq .faq-index {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--coral);
  transition: color 0.2s var(--ease);
}

.page-faq .faq-item[open] .faq-index {
  color: var(--cyan);
}

.page-faq .faq-question {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 2.1vw, 21px);
  line-height: 1.42;
  color: var(--paper);
}

.page-faq .faq-toggle {
  position: relative;
  width: 22px;
  height: 22px;
  flex: none;
}

.page-faq .faq-toggle::before,
.page-faq .faq-toggle::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--cyan);
  border-radius: 2px;
  transform: translate(-50%, -50%);
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.page-faq .faq-toggle::before {
  width: 14px;
  height: 2px;
}

.page-faq .faq-toggle::after {
  width: 2px;
  height: 14px;
}

.page-faq .faq-item[open] .faq-toggle::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-faq .faq-answer {
  padding: clamp(14px, 2vw, 20px) clamp(14px, 2.2vw, 24px) clamp(18px, 2.4vw, 26px);
  border-top: 1px dashed var(--line);
}

.page-faq .faq-answer p {
  margin: 0 0 14px;
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.78;
  color: var(--faq-body);
}

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

.page-faq .faq-answer-split {
  display: grid;
  gap: clamp(14px, 2vw, 24px);
}

.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 16px 0 16px;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-faq .faq-steps li {
  position: relative;
  counter-increment: faqstep;
  padding-left: 46px;
  font-size: clamp(13.5px, 1.5vw, 15.5px);
  line-height: 1.72;
  color: var(--faq-body);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  width: 34px;
  padding-right: 8px;
  text-align: right;
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--cyan);
  border-right: 1px solid rgba(33, 243, 214, 0.4);
  line-height: 1.5;
}

.page-faq .faq-aside {
  margin-top: 4px;
  padding-left: 12px;
  border-left: 2px solid rgba(143, 166, 184, 0.35);
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--mist);
}

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

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--r-m);
  border: 1px solid var(--line);
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--mist);
}

.page-faq .faq-figure--wide {
  margin-top: 18px;
}

.page-faq .faq-flow {
  margin: 18px 0 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: rgba(6, 26, 46, 0.62);
  overflow-x: auto;
}

.page-faq .faq-flow svg {
  display: block;
  width: 100%;
  min-width: 460px;
  height: auto;
}

/* ---------- 联系收口 ---------- */
.page-faq .faq-contact {
  margin-top: clamp(28px, 4vw, 56px);
  padding: clamp(22px, 3vw, 40px);
  border: 1px solid rgba(33, 243, 214, 0.28);
  border-radius: var(--r-l);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(33, 243, 214, 0.14), transparent 62%),
    linear-gradient(160deg, rgba(11, 42, 69, 1), rgba(6, 26, 46, 1));
}

.page-faq .faq-contact h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.14;
  color: var(--paper);
}

.page-faq .faq-contact-lede {
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  max-width: 62ch;
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.76;
  color: var(--faq-body);
}

.page-faq .faq-contact-rows {
  display: grid;
  gap: 14px;
}

.page-faq .faq-contact-row {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: rgba(6, 26, 46, 0.72);
}

.page-faq .faq-contact-key {
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-faq .faq-contact-value {
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.2vw, 21px);
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-contact-hint {
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 860px) {
  .page-faq .faq-answer-split {
    grid-template-columns: minmax(0, 1fr) 250px;
    align-items: start;
  }

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

@media (min-width: 940px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }

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

  .page-faq .faq-toc ol {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-toc a {
    white-space: normal;
    border: 0;
    border-radius: var(--r-s);
    padding: 9px 10px;
    color: var(--faq-body);
  }
}

@media (max-width: 520px) {
  .page-faq .faq-steps li {
    padding-left: 40px;
  }

  .page-faq .faq-steps li::before {
    width: 28px;
    font-size: 12.5px;
  }

  .page-faq .faq-question {
    font-size: 15.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
<<<END>>>