.page-faq {
  --faq-max: 860px;
  --faq-line: rgba(138, 147, 166, 0.20);
  --faq-line-strong: rgba(138, 147, 166, 0.38);
  padding-bottom: clamp(52px, 8vw, 104px);
  overflow-x: hidden;
}

/* ── 首屏 ─────────────────────────────── */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(20px, 3vw, 34px) 0 clamp(26px, 4vw, 44px);
  max-width: 920px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -40px -20% auto -10%;
  height: 280px;
  background:
    radial-gradient(52% 60% at 18% 30%, rgba(53, 224, 208, 0.14), transparent 70%),
    radial-gradient(46% 54% at 82% 10%, rgba(139, 92, 246, 0.16), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero > * {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 5.4vw, 68px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--bone);
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--stone);
}

.page-faq .faq-hero__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--moss);
}

/* ── 症状入口条 ───────────────────────── */
.page-faq .faq-symptoms {
  padding: clamp(22px, 3.4vw, 34px) 0 clamp(12px, 2vw, 20px);
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-symptoms__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--stone);
  text-transform: uppercase;
}

.page-faq .faq-symptoms__bar {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(196px, 78vw);
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 10px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-symptoms__bar::-webkit-scrollbar {
  height: 4px;
}

.page-faq .faq-symptoms__bar::-webkit-scrollbar-thumb {
  background: rgba(53, 224, 208, 0.35);
  border-radius: 4px;
}

.page-faq .symptom {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 15px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-m);
  background: rgba(28, 39, 64, 0.52);
  color: var(--bone);
  text-decoration: none;
  scroll-snap-align: start;
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-faq .symptom:hover,
.page-faq .symptom:focus-visible {
  border-color: rgba(53, 224, 208, 0.55);
  background: rgba(28, 39, 64, 0.82);
  transform: translateY(-2px);
}

.page-faq .symptom__icon {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(53, 224, 208, 0.10);
  color: var(--cyan);
}

.page-faq .symptom__icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-faq .symptom__label {
  display: block;
  font-size: 14px;
  line-height: 1.4;
  font-weight: 600;
}

.page-faq .symptom__hint {
  display: block;
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--stone);
}

/* ── 问题分组 ─────────────────────────── */
.page-faq .faq-block {
  padding: clamp(32px, 5vw, 58px) 0 clamp(10px, 2vw, 18px);
  border-top: 1px solid var(--faq-line);
  scroll-margin-top: calc(var(--rail-top, 104px) + 20px);
}

.page-faq .faq-block__head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 20px;
}

.page-faq .faq-block__index {
  flex: 0 0 auto;
  padding-left: 10px;
  border-left: 2px solid var(--cyan);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.7;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .faq-block__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(23px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-faq .faq-block__lead {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--stone);
}

/* ── 问答条 ───────────────────────────── */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: var(--faq-max);
}

.page-faq .qa {
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-m);
  background: rgba(19, 28, 46, 0.72);
  overflow: hidden;
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .qa[open] {
  border-color: rgba(53, 224, 208, 0.32);
  background: rgba(28, 39, 64, 0.66);
}

.page-faq .qa__summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__summary::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .qa[open] .qa__summary::after {
  content: "\2013";
}

.page-faq .qa__summary:focus-visible {
  outline: 2px solid rgba(53, 224, 208, 0.65);
  outline-offset: -2px;
}

.page-faq .qa__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--cyan);
  opacity: 0.85;
}

.page-faq .qa__q {
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--bone);
}

.page-faq .qa__body {
  padding: 0 16px 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
}

.page-faq .qa__body p {
  margin: 0 0 10px;
}

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

/* 步骤列表：编号 + 虚线连接 */
.page-faq .qa__steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 12px 0 4px;
  padding: 0;
}

.page-faq .qa__steps li {
  position: relative;
  counter-increment: faqstep;
  padding: 0 0 14px 30px;
  font-size: 14px;
  line-height: 1.75;
}

.page-faq .qa__steps li:last-child {
  padding-bottom: 0;
}

.page-faq .qa__steps li::before {
  content: counter(faqstep);
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(53, 224, 208, 0.45);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
  color: var(--cyan);
  background: rgba(11, 18, 32, 0.7);
}

.page-faq .qa__steps li::after {
  content: "";
  position: absolute;
  left: 10px;
  top: 24px;
  bottom: 0;
  border-left: 1px dashed rgba(138, 147, 166, 0.34);
}

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

/* 材料清单 */
.page-faq .faq-checklist {
  list-style: none;
  margin: 12px 0 14px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .faq-checklist li {
  position: relative;
  padding-left: 26px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--bone);
}

.page-faq .faq-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 12px;
  height: 12px;
  border: 1px solid var(--orange);
  border-radius: 3px;
  background: rgba(255, 138, 61, 0.10);
}

/* ── 提示带 ───────────────────────────── */
.page-faq .faq-note {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  max-width: var(--faq-max);
  margin: 16px 0 4px;
  padding: 15px 16px;
  border: 1px solid rgba(111, 168, 138, 0.30);
  border-radius: var(--radius-m);
  background: rgba(28, 39, 64, 0.55);
  backdrop-filter: blur(8px);
}

.page-faq .faq-note__dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--moss);
  box-shadow: 0 0 0 4px rgba(111, 168, 138, 0.16);
}

.page-faq .faq-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--bone);
}

/* ── 配图 ─────────────────────────────── */
.page-faq .faq-figure {
  margin: clamp(26px, 4vw, 44px) 0;
  max-width: var(--faq-max);
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--faq-line);
  background: rgba(19, 28, 46, 0.6);
}

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

.page-faq .faq-figure--divider {
  max-width: 100%;
}

/* ── 联系方式块 ───────────────────────── */
.page-faq .faq-contact {
  max-width: var(--faq-max);
  margin-top: 20px;
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--faq-line-strong);
  border-radius: var(--radius-l);
  background:
    linear-gradient(140deg, rgba(28, 39, 64, 0.86), rgba(11, 18, 32, 0.72));
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--bone);
}

.page-faq .faq-contact__key {
  flex: 0 0 44px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-faq .faq-contact__row a {
  color: var(--bone);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, 0.45);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

.page-faq .faq-contact__note {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--faq-line);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--stone);
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 0;
}

/* ── 响应式 ───────────────────────────── */
@media (min-width: 560px) {
  .page-faq .faq-symptoms__bar {
    grid-auto-flow: row;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-columns: auto;
    overflow-x: visible;
    padding-bottom: 0;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-symptoms__bar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .page-faq .qa__summary {
    padding: 17px 20px;
    gap: 14px;
  }

  .page-faq .qa__q {
    font-size: 16px;
  }

  .page-faq .qa__body {
    padding: 0 20px 20px 52px;
    font-size: 15px;
  }

  .page-faq .faq-note {
    padding: 17px 20px;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-hero {
    padding-bottom: clamp(34px, 4vw, 52px);
  }

  .page-faq .faq-block__head {
    gap: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .symptom,
  .page-faq .qa,
  .page-faq .qa__summary::after {
    transition: none;
  }

  .page-faq .symptom:hover,
  .page-faq .symptom:focus-visible {
    transform: none;
  }
}
<<<END>>>