.page-faq {
  --faq-hair: #2A3A55;
  --faq-ink: #b6c5d8;
  --faq-ink-soft: #a9b8cb;
  background: var(--void);
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: clamp(40px, 7vw, 88px);
  overflow-x: clip;
}

.page-faq .breadcrumbs {
  padding-top: clamp(16px, 3vw, 28px);
}
.page-faq .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--slate);
}
.page-faq .breadcrumbs li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--faq-hair);
}
.page-faq .breadcrumbs a {
  color: var(--slate);
  text-decoration: none;
  transition: color 0.18s ease;
}
.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--gold);
}
.page-faq .breadcrumbs [aria-current="page"] {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  padding-top: clamp(22px, 4vw, 44px);
  padding-bottom: clamp(26px, 4.5vw, 48px);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -24px 0 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.7;
  background-image:
    radial-gradient(rgba(47, 224, 208, 0.3) 1px, transparent 1.4px),
    radial-gradient(rgba(245, 196, 81, 0.24) 1px, transparent 1.4px);
  background-size: 52px 52px, 83px 83px;
  background-position: 0 0, 27px 41px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.5) 58%, transparent 94%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.5) 58%, transparent 94%);
}
.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(27px, 5.4vw, 50px);
  line-height: 1.16;
  letter-spacing: 0.015em;
  color: var(--paper);
  margin: 12px 0 16px;
  max-width: 22ch;
}
.page-faq .faq-hero .lede {
  max-width: 64ch;
  margin: 0;
  font-size: clamp(15px, 1.55vw, 17px);
  line-height: 1.85;
  color: #c3d0e0;
}
.page-faq .faq-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin-top: 22px;
}
.page-faq .faq-hero-meta .mono {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--slate);
  border: 1px solid var(--faq-hair);
  background: rgba(19, 31, 53, 0.6);
  padding: 5px 10px;
}

/* ---------- 症状标签墙 ---------- */
.page-faq .faq-symptoms {
  background: var(--archive);
  border-top: 1px solid var(--faq-hair);
  border-bottom: 1px solid var(--faq-hair);
  padding: clamp(22px, 4vw, 40px) 0 clamp(26px, 4.5vw, 46px);
}
.page-faq .symptom-head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(16px, 2.6vw, 24px);
}
.page-faq .symptom-head .section-title {
  margin: 0;
}
.page-faq .symptom-lede {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--slate);
  max-width: 54ch;
}
.page-faq .symptom-wall {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--faq-hair);
  border: 1px solid var(--faq-hair);
}
.page-faq .symptom {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 8px;
  row-gap: 4px;
  padding: 15px 16px;
  background: var(--void);
  color: var(--paper);
  text-decoration: none;
  transition: background-color 0.18s ease, box-shadow 0.18s ease;
}
.page-faq .symptom-num {
  grid-column: 1;
  grid-row: 1 / span 2;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--gold);
  padding-top: 3px;
}
.page-faq .symptom-name {
  grid-column: 2;
  font-family: var(--font-display);
  font-size: 15px;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--paper);
  transition: color 0.18s ease;
}
.page-faq .symptom-hint {
  grid-column: 2;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--slate);
}
.page-faq .symptom:hover,
.page-faq .symptom:focus-visible {
  background: var(--card);
  box-shadow: inset 0 0 0 1px rgba(245, 196, 81, 0.45);
  outline: none;
}
.page-faq .symptom:hover .symptom-name,
.page-faq .symptom:focus-visible .symptom-name {
  color: var(--gold);
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-block {
  position: relative;
  padding: clamp(32px, 5.5vw, 64px) 0;
}
.page-faq .faq-block + .faq-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--band-soft);
  opacity: 0.6;
}
.page-faq .faq-block-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 10px clamp(14px, 2.4vw, 24px);
  margin-bottom: clamp(16px, 2.8vw, 26px);
}
.page-faq .section-num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.4vw, 40px);
  line-height: 0.92;
  letter-spacing: 0.02em;
  color: var(--gold);
  padding-top: 2px;
}
.page-faq .section-kicker {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
}
.page-faq .section-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(19px, 3.1vw, 27px);
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--paper);
}
.page-faq .section-lede {
  margin: 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

/* ---------- 流程示意 ---------- */
.page-faq .faq-flow {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 0 18px;
}

/* ---------- 问答块 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
}
.page-faq .qa {
  border: 1px solid var(--faq-hair);
  border-left: 3px solid var(--gold);
  background: linear-gradient(180deg, rgba(19, 31, 53, 0.92), rgba(11, 20, 38, 0.96));
  box-shadow: var(--shadow-paper);
  transition: border-left-color 0.18s ease;
}
.page-faq .qa[open] {
  border-left-color: var(--cyan);
}
.page-faq .qa > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 13px 15px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: clamp(14px, 1.5vw, 15.5px);
  line-height: 1.5;
  color: var(--paper);
}
.page-faq .qa > summary::-webkit-details-marker {
  display: none;
}
.page-faq .qa > summary::marker {
  content: "";
}
.page-faq .qa > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
}
.page-faq .qa-num {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold);
}
.page-faq .qa-q {
  min-width: 0;
  overflow-wrap: break-word;
}
.page-faq .qa-toggle {
  position: relative;
  width: 13px;
  height: 13px;
  align-self: center;
}
.page-faq .qa-toggle::before,
.page-faq .qa-toggle::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  border-radius: 1px;
  transition: transform 0.18s ease, opacity 0.18s ease;
}
.page-faq .qa-toggle::before {
  left: 0;
  top: 5.75px;
  width: 13px;
  height: 1.5px;
}
.page-faq .qa-toggle::after {
  top: 0;
  left: 5.75px;
  width: 1.5px;
  height: 13px;
}
.page-faq .qa[open] .qa-toggle::after {
  transform: scaleY(0);
  opacity: 0;
}
.page-faq .qa-body {
  margin-top: 2px;
  padding: 2px 15px 16px;
  border-top: 1px dashed rgba(42, 58, 85, 0.9);
  font-size: 14px;
  line-height: 1.85;
  color: var(--faq-ink);
}
.page-faq .qa-body p {
  margin: 12px 0 0;
}
.page-faq .qa-body p:first-child {
  margin-top: 12px;
}
.page-faq .qa-body .btn {
  margin-top: 4px;
}
.page-faq .steps {
  counter-reset: faqstep;
  display: grid;
  gap: 7px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}
.page-faq .steps li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  font-size: 13.5px;
  line-height: 1.75;
  color: #b0c0d4;
}
.page-faq .steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  padding-top: 4px;
}

/* ---------- 图片 ---------- */
.page-faq .faq-media {
  margin: 20px 0 0;
  border: 1px solid var(--faq-hair);
  background: var(--archive);
  box-shadow: var(--shadow-paper);
}
.page-faq .faq-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.85) brightness(0.92);
}
.page-faq .media-caption {
  padding: 10px 12px;
  border-top: 1px solid var(--faq-hair);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--slate);
}

/* ---------- 双栏 ---------- */
.page-faq .faq-cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.6vw, 26px);
}

/* ---------- 联系 ---------- */
.page-faq .faq-block--contact {
  padding-bottom: clamp(20px, 3vw, 32px);
}
.page-faq .contact-panel {
  display: grid;
  gap: 2px;
  padding: clamp(16px, 2.6vw, 26px);
  border: 1px solid var(--faq-hair);
  background:
    linear-gradient(135deg, rgba(245, 196, 81, 0.12) 0%, rgba(47, 224, 208, 0.07) 48%, rgba(5, 10, 22, 0) 82%),
    var(--archive);
  box-shadow: var(--shadow-paper);
}
.page-faq .contact-line {
  display: grid;
  gap: 3px 14px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(42, 58, 85, 0.75);
}
.page-faq .contact-line:last-of-type {
  border-bottom: 0;
}
.page-faq .contact-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}
.page-faq .contact-value {
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}
.page-faq .faq-contact-note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--gold);
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}
.page-faq .faq-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* ---------- 展开动效 ---------- */
@media (prefers-reduced-motion: no-preference) {
  .page-faq .qa[open] .qa-body {
    animation: faqBodyIn 0.22s ease both;
  }
}
@keyframes faqBodyIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .symptom-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 640px) {
  .page-faq .contact-line {
    grid-template-columns: 84px minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-faq .symptom-head {
    grid-template-columns: minmax(0, auto) minmax(0, 1fr);
    align-items: baseline;
    gap: 8px 28px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-cols--asym {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-faq .faq-media--side {
    margin-top: 0;
  }
}

@media (min-width: 980px) {
  .page-faq .symptom-wall {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .qa-body {
    padding-right: 22px;
  }
}
<<<END>>>