.page-faq {
  --faq-pad: clamp(14px, 2vw, 22px);
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4vw, 44px) 0 clamp(38px, 5vw, 68px);
  border-bottom: 1px solid var(--line-soft);
  background:
    linear-gradient(118deg, rgba(18, 53, 40, .62) 0%, rgba(7, 11, 20, 0) 54%),
    linear-gradient(180deg, var(--ink-950) 0%, var(--ink-900) 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(180deg, rgba(232, 241, 248, .035) 0 1px, transparent 1px 4px);
}

.page-faq .faq-hero__ghost {
  position: absolute;
  right: -.06em;
  bottom: -.24em;
  font-family: var(--font-mono);
  font-size: clamp(160px, 32vw, 400px);
  line-height: .8;
  font-weight: 700;
  letter-spacing: -.05em;
  color: rgba(0, 229, 255, .07);
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  margin-top: clamp(22px, 4vw, 42px);
}

.page-faq h1 {
  margin: 12px 0 0;
  font-size: clamp(30px, 6.2vw, 62px);
  line-height: 1.08;
  letter-spacing: -.01em;
  font-weight: 900;
  color: var(--paper);
}

.page-faq .faq-hero__lead .aoa-lede {
  margin: 18px 0 0;
  max-width: 42ch;
  font-size: clamp(14px, 1.6vw, 16px);
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line-soft);
  overflow: hidden;
}

.page-faq .faq-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 16px;
  background: rgba(14, 26, 43, .88);
}

.page-faq .faq-hero__facts b {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}

.page-faq .faq-hero__facts em {
  font-style: normal;
  font-size: 13px;
}

.page-faq .faq-hero__facts span {
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--mist);
}

/* ---------- 症状选择面板 ---------- */
.page-faq .faq-finder {
  padding: clamp(38px, 5vw, 62px) 0 clamp(6px, 2vw, 14px);
}

.page-faq .faq-finder__head {
  max-width: 620px;
  margin-bottom: clamp(18px, 2.6vw, 26px);
}

.page-faq .faq-finder__head p {
  margin: 10px 0 0;
  font-size: 14px;
  color: var(--mist);
}

.page-faq .faq-finder__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 10px;
}

.page-faq .faq-symptom {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 14px 14px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--ink-800);
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: border-color .2s var(--ease), background .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
}

.page-faq .faq-symptom__idx {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--cyan);
  padding-top: 2px;
}

.page-faq .faq-symptom__text {
  display: block;
}

.page-faq .faq-symptom:hover,
.page-faq .faq-symptom:focus-visible {
  border-color: var(--cyan);
  background: var(--cyan);
  color: var(--ink-950);
  transform: translateY(-2px);
  outline: none;
}

.page-faq .faq-symptom:hover .faq-symptom__idx,
.page-faq .faq-symptom:focus-visible .faq-symptom__idx {
  color: var(--ink-950);
}

/* ---------- 问题区块 ---------- */
.page-faq .faq-block {
  padding: clamp(40px, 5vw, 70px) 0;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-block__head {
  max-width: 660px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-faq .aoa-heading {
  margin: 10px 0 0;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.24;
  letter-spacing: -.01em;
  font-weight: 800;
  color: var(--paper);
}

.page-faq .faq-block__head > p:last-child {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--ink-800);
  overflow: hidden;
  transition: border-color .2s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--line);
}

.page-faq .faq-item[open] {
  border-color: var(--line);
  background: linear-gradient(180deg, var(--ink-700) 0%, var(--ink-800) 62%);
}

.page-faq .faq-item:target {
  border-color: var(--cyan);
}

.page-faq .faq-item__sum {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__sum:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .faq-item__idx {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
  font-variant-numeric: tabular-nums;
  transition: color .2s var(--ease);
}

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

.page-faq .faq-item__q {
  flex: 1 1 auto;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .faq-item__sign {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
  border: 1px solid var(--line);
  border-radius: 4px;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--cyan);
  transform: translate(-50%, -50%);
}

.page-faq .faq-item__sign::before {
  width: 9px;
  height: 1.5px;
}

.page-faq .faq-item__sign::after {
  width: 1.5px;
  height: 9px;
  transition: transform .2s var(--ease), opacity .2s var(--ease);
}

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

.page-faq .faq-item__body {
  display: grid;
  gap: 12px;
  padding: 0 16px 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-item__body > p {
  margin: 0;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 2px 0 2px 18px;
  border-left: 1px solid var(--line);
  display: grid;
  gap: 10px;
  counter-reset: faq-step;
}

.page-faq .faq-steps li {
  position: relative;
  counter-increment: faq-step;
  padding-left: 28px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--paper);
}

.page-faq .faq-steps li::before {
  content: counter(faq-step);
  position: absolute;
  left: -27px;
  top: 1px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--ink-900);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 10px;
  display: grid;
  place-items: center;
}

.page-faq .faq-alert {
  border-left: 2px solid var(--rose);
  border-radius: 0 6px 6px 0;
  background: rgba(255, 46, 110, .08);
  padding: 10px 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: #F2C7D6;
}

.page-faq .faq-alert strong {
  color: var(--rose);
  font-weight: 700;
  margin-right: 4px;
}

.page-faq .faq-figure {
  margin: clamp(22px, 3vw, 30px) 0 0;
}

/* ---------- 提单准备 ---------- */
.page-faq .faq-prep {
  position: relative;
  overflow: hidden;
  padding: clamp(44px, 5.5vw, 84px) 0 clamp(48px, 6vw, 88px);
  border-top: 1px solid var(--line);
  background: linear-gradient(158deg, var(--ink-800) 0%, var(--ink-950) 78%);
}

.page-faq .faq-prep::before {
  content: "";
  position: absolute;
  left: -14%;
  top: -28%;
  width: 56%;
  height: 158%;
  background: rgba(0, 229, 255, .055);
  transform: rotate(-8deg);
  pointer-events: none;
}

.page-faq .faq-prep__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-faq .faq-prep__text {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 40ch;
}

.page-faq .faq-prep__figure {
  margin: clamp(20px, 3vw, 28px) 0 0;
}

.page-faq .faq-kit {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-kit li {
  display: grid;
  gap: 5px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(22, 38, 61, .62);
}

.page-faq .faq-kit b {
  font-size: 14px;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-kit span {
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-contact {
  display: grid;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
  padding-top: clamp(18px, 2.5vw, 24px);
  border-top: 1px dashed var(--line);
}

.page-faq .faq-contact__line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-faq .faq-contact__label {
  flex: none;
  min-width: 62px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-faq .faq-contact__value {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: .01em;
  color: var(--paper);
  word-break: break-all;
}

.page-faq .aoa-copy {
  appearance: none;
  margin-left: auto;
  cursor: pointer;
  padding: 6px 13px;
  min-height: 30px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  transition: border-color .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
}

.page-faq .aoa-copy:hover {
  border-color: var(--cyan);
  background: var(--cyan-soft);
}

.page-faq .aoa-copy[data-copied] {
  border-color: var(--cyan);
  background: var(--cyan);
  color: var(--ink-950);
}

.page-faq .faq-contact__note {
  margin: 4px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-prep__more {
  margin: clamp(18px, 2.5vw, 24px) 0 0;
  font-size: 13px;
  line-height: 1.95;
  color: var(--mist);
}

.page-faq .faq-prep__more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, .35);
  transition: border-color .2s var(--ease);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 820px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(250px, .78fr);
    align-items: end;
  }

  .page-faq .faq-item__sum {
    padding: 18px 20px;
  }

  .page-faq .faq-item__body {
    padding: 0 20px 22px 58px;
  }

  .page-faq .faq-prep__grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    align-items: start;
  }
}

@media (max-width: 560px) {
  .page-faq .faq-hero__ghost {
    font-size: 150px;
    bottom: -.18em;
  }

  .page-faq .faq-hero__facts b {
    font-size: 21px;
  }

  .page-faq .faq-item__q {
    font-size: 14.5px;
  }

  .page-faq .faq-symptom {
    padding: 12px 12px 14px;
    font-size: 13.5px;
  }

  .page-faq .aoa-copy {
    margin-left: 0;
  }
}
<<<END>>>