.page-faq {
  --faq-line: rgba(232, 237, 245, 0.14);
  --faq-line-soft: rgba(232, 237, 245, 0.08);
  --faq-glow-a: rgba(0, 229, 255, 0.16);
  --faq-glow-b: rgba(255, 45, 149, 0.16);
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-5);
  line-height: 1.8;
  overflow-x: hidden;
  padding-bottom: clamp(16px, 3vw, 32px);
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

.page-faq .faq-wrap {
  width: 100%;
  max-width: 1140px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-faq a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.35);
  transition: border-color 0.18s ease, color 0.18s ease;
}

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

.page-faq figure {
  margin: 0;
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(22px, 3.5vw, 44px) 0 clamp(26px, 4vw, 46px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -140px;
  left: -10%;
  right: -10%;
  height: 420px;
  background: linear-gradient(115deg, var(--faq-glow-a), transparent 46%, var(--faq-glow-b));
  filter: blur(48px);
  opacity: 0.6;
  pointer-events: none;
  z-index: 0;
}

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

.page-faq .breadcrumb__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
  padding: 0;
  font-size: var(--fs-6);
  color: var(--gray);
}

.page-faq .breadcrumb__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--rule-strong);
}

.page-faq .breadcrumb__list a {
  color: var(--gray);
  border-bottom-color: transparent;
}

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

.page-faq .breadcrumb__list [aria-current="page"] {
  color: rgba(232, 237, 245, 0.72);
}

.page-faq .faq-hero .eyebrow {
  margin: 0;
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-size: var(--fs-1);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.06;
  margin: 14px 0 0;
  max-width: 15em;
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 46em;
  font-family: var(--font-body);
  font-size: var(--fs-4);
  line-height: 1.78;
  color: rgba(232, 237, 245, 0.82);
}

/* ---------- 症状按钮组 ---------- */
.page-faq .symptom-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .symptom {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--faq-line);
  border-radius: 2px;
  background: rgba(23, 26, 43, 0.55);
  color: rgba(232, 237, 245, 0.86);
  font-size: var(--fs-6);
  line-height: 1.4;
  transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease,
    transform 0.18s ease;
}

.page-faq .symptom:hover,
.page-faq .symptom:focus-visible {
  border-color: var(--cyan);
  background: rgba(0, 229, 255, 0.09);
  color: var(--cyan);
  transform: translateY(-2px);
}

.page-faq .symptom--ask {
  border-color: rgba(182, 255, 59, 0.32);
}

.page-faq .symptom--ask:hover,
.page-faq .symptom--ask:focus-visible {
  border-color: var(--lime);
  background: rgba(182, 255, 59, 0.1);
  color: var(--lime);
}

.page-faq .symptom__idx {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--magenta);
}

/* ---------- 定位图区 ---------- */
.page-faq .faq-map {
  padding: clamp(26px, 4vw, 46px) 0;
  border-top: 1px solid var(--faq-line);
  border-bottom: 1px solid var(--faq-line);
  background: linear-gradient(180deg, rgba(23, 26, 43, 0.85), rgba(11, 14, 20, 0));
}

.page-faq .faq-map__inner {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
}

.page-faq .faq-map__figure {
  border: 1px solid var(--faq-line);
  background: var(--panel);
  border-radius: 2px;
  overflow: hidden;
}

.page-faq .faq-map__figure img {
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
}

.page-faq .faq-map__figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--faq-line-soft);
  font-size: var(--fs-6);
  color: var(--gray);
  line-height: 1.65;
}

.page-faq .faq-map__title {
  font-family: var(--font-display);
  font-size: var(--fs-3);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.32;
  margin: 0 0 18px;
}

.page-faq .faq-map__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-map__list li {
  display: grid;
  gap: 3px;
  padding-left: 15px;
  border-left: 2px solid var(--faq-line);
}

.page-faq .faq-map__list li:nth-child(1) {
  border-left-color: var(--cyan);
}

.page-faq .faq-map__list li:nth-child(2) {
  border-left-color: var(--magenta);
}

.page-faq .faq-map__list li:nth-child(3) {
  border-left-color: var(--amber);
}

.page-faq .faq-map__list .mono {
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--gray);
}

.page-faq .faq-map__list p {
  margin: 0;
  font-size: var(--fs-5);
  color: rgba(232, 237, 245, 0.8);
}

.page-faq .faq-map__note {
  margin: 18px 0 0;
  font-size: var(--fs-6);
  color: var(--gray);
  line-height: 1.7;
}

/* ---------- 问答折叠区 ---------- */
.page-faq .faq-list {
  padding: clamp(30px, 4.5vw, 60px) 0 0;
}

.page-faq .faq-list .section-head {
  margin-bottom: clamp(16px, 2.5vw, 26px);
}

.page-faq .faq-panel {
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-panel:last-of-type {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-panel__head {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 18px 2px;
}

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

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

.page-faq .faq-panel__num {
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--gray);
}

.page-faq .faq-panel__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-4);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.45;
  transition: color 0.18s ease;
}

.page-faq .faq-panel__head:hover .faq-panel__title,
.page-faq .faq-panel[open] .faq-panel__title {
  color: var(--cyan);
}

.page-faq .faq-panel__toggle {
  position: relative;
  width: 22px;
  height: 22px;
  flex: none;
  border: 1px solid var(--faq-line);
  border-radius: 50%;
  transition: border-color 0.18s ease;
}

.page-faq .faq-panel__toggle::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 5px;
  right: 5px;
  height: 1px;
  margin-top: -0.5px;
  background: var(--gray);
}

.page-faq .faq-panel__toggle::after {
  content: "";
  position: absolute;
  top: 5px;
  bottom: 5px;
  left: 50%;
  width: 1px;
  margin-left: -0.5px;
  background: var(--gray);
  transition: opacity 0.18s ease;
}

.page-faq .faq-panel[open] .faq-panel__toggle {
  border-color: var(--cyan);
}

.page-faq .faq-panel[open] .faq-panel__toggle::after {
  opacity: 0;
}

.page-faq .faq-panel__body {
  display: grid;
  gap: 16px;
  padding: 0 2px clamp(22px, 3vw, 32px);
  animation: faq-fade 0.22s ease both;
}

@keyframes faq-fade {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.page-faq .faq-panel__body > p {
  margin: 0;
  max-width: 62ch;
  color: rgba(232, 237, 245, 0.84);
}

/* ---------- 步骤轨道 ---------- */
.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 0 0 0 12px;
  padding: 0;
  max-width: 62ch;
  border-left: 1px solid var(--faq-line);
  display: grid;
  gap: 18px;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 24px;
  color: rgba(232, 237, 245, 0.84);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.15em;
  transform: translateX(-50%);
  padding: 2px 0;
  background: var(--ink);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
}

/* ---------- 图与旁注 ---------- */
.page-faq .faq-fig {
  border: 1px solid var(--faq-line);
  background: var(--panel);
  border-radius: 2px;
  overflow: hidden;
  max-width: 620px;
}

.page-faq .faq-fig img {
  width: 100%;
  aspect-ratio: 8 / 5;
  object-fit: cover;
}

.page-faq .faq-fig__cap {
  display: block;
  padding: 10px 14px;
  border-top: 1px solid var(--faq-line-soft);
  font-size: var(--fs-6);
  color: var(--gray);
  line-height: 1.65;
}

.page-faq .faq-aside {
  margin: 0;
  max-width: 62ch;
  padding-left: 12px;
  border-left: 2px solid var(--amber);
  font-size: var(--fs-6);
  line-height: 1.75;
  color: var(--gray);
}

.page-faq .faq-subtitle {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-size: var(--fs-4);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--amber);
}

/* ---------- 排查条目 ---------- */
.page-faq .faq-block {
  display: grid;
  gap: 10px;
  max-width: 66ch;
}

.page-faq .faq-block h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 4px 0 0;
  font-family: var(--font-display);
  font-size: var(--fs-5);
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-block h4::before {
  content: "";
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 50%;
  background: var(--cyan);
}

.page-faq .faq-block:nth-of-type(2) h4::before {
  background: var(--amber);
}

.page-faq .faq-block:nth-of-type(3) h4::before {
  background: var(--magenta);
}

.page-faq .faq-checks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: 62ch;
}

.page-faq .faq-checks li {
  position: relative;
  padding-left: 20px;
  font-size: var(--fs-5);
  color: rgba(232, 237, 245, 0.82);
}

.page-faq .faq-checks li::before {
  content: "\2192";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--gray);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

/* ---------- A/B 版本卡 ---------- */
.page-faq .face-grid {
  display: grid;
  gap: 1px;
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
  border-radius: 2px;
  overflow: hidden;
}

.page-faq .face-card {
  padding: 18px 18px 20px;
  background: var(--ink);
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-faq .face-card--a {
  box-shadow: inset 0 2px 0 0 var(--cyan);
}

.page-faq .face-card--b {
  box-shadow: inset 0 2px 0 0 var(--magenta);
}

.page-faq .face-card .tag {
  justify-self: start;
}

.page-faq .face-card h4 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-5);
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .face-card--a h4 {
  color: var(--cyan);
}

.page-faq .face-card--b h4 {
  color: var(--magenta);
}

.page-faq .face-card p {
  margin: 0;
  font-size: var(--fs-6);
  line-height: 1.75;
  color: rgba(232, 237, 245, 0.78);
}

/* ---------- 联系区 ---------- */
.page-faq .faq-contact {
  padding: clamp(32px, 5vw, 68px) 0 clamp(20px, 3vw, 40px);
}

.page-faq .faq-contact__panel {
  padding: clamp(22px, 3.2vw, 42px);
  border-radius: 2px;
  color: var(--cream-ink);
}

.page-faq .faq-contact__panel a {
  color: var(--teal);
  border-bottom-color: rgba(14, 59, 62, 0.35);
}

.page-faq .faq-contact__panel a:hover,
.page-faq .faq-contact__panel a:focus-visible {
  color: var(--teal);
  border-bottom-color: var(--teal);
}

.page-faq .faq-contact__intro .eyebrow {
  margin: 0 0 6px;
  color: rgba(20, 24, 31, 0.6);
}

.page-faq .faq-contact__intro h2 {
  margin: 6px 0 10px;
  font-family: var(--font-display);
  font-size: var(--fs-2);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.page-faq .faq-contact__intro p {
  margin: 0;
  max-width: 52ch;
  color: rgba(20, 24, 31, 0.76);
}

.page-faq .faq-contact__grid {
  display: grid;
  gap: 18px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-contact__item {
  padding-top: 12px;
  border-top: 1px solid rgba(20, 24, 31, 0.18);
}

.page-faq .faq-contact__item .mono {
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: rgba(20, 24, 31, 0.55);
}

.page-faq .faq-contact__val {
  display: block;
  margin: 6px 0;
  font-family: var(--font-mono);
  font-size: var(--fs-4);
  letter-spacing: 0.02em;
  color: var(--cream-ink);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact__item p {
  margin: 0;
  font-size: var(--fs-6);
  line-height: 1.7;
  color: rgba(20, 24, 31, 0.66);
}

.page-faq .faq-contact__list {
  margin-top: clamp(22px, 3vw, 32px);
}

.page-faq .faq-contact__list h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: var(--fs-4);
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .faq-contact__list ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-contact__list li {
  position: relative;
  padding-left: 16px;
  font-size: var(--fs-5);
  color: rgba(20, 24, 31, 0.78);
}

.page-faq .faq-contact__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 7px;
  height: 1px;
  background: var(--teal);
}

.page-faq .faq-contact__more {
  margin: clamp(16px, 2.5vw, 24px) 0 0;
  font-size: var(--fs-6);
}

/* ---------- 相关入口 ---------- */
.page-faq .faq-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  margin-top: clamp(20px, 3vw, 32px);
  padding-top: 18px;
  border-top: 1px solid var(--faq-line);
  font-size: var(--fs-6);
}

.page-faq .faq-links .mono {
  letter-spacing: 0.14em;
  color: var(--gray);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-contact__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 24px;
  }

  .page-faq .face-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

@media (min-width: 820px) {
  .page-faq .faq-map__inner {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 1fr);
    align-items: start;
  }

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

  .page-faq .faq-panel__head {
    padding: 20px 2px;
  }

  .page-faq .faq-panel__body {
    padding-left: 54px;
    padding-right: 8px;
  }

  .page-faq .faq-steps li {
    padding-left: 26px;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-hero__title {
    max-width: 13em;
  }

  .page-faq .faq-map__list {
    gap: 20px;
  }
}

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

  .page-faq .faq-panel__body {
    animation: none;
  }
}
<<<END>>>