.page-faq {
  --faq-line-soft: rgba(122, 91, 30, 0.42);
  --faq-body: rgba(244, 241, 232, 0.82);
  --faq-panel-bg: rgba(11, 34, 51, 0.66);
  display: block;
  color: var(--paper);
  background:
    radial-gradient(85% 55% at 88% 0%, rgba(14, 59, 51, 0.5), transparent 62%),
    radial-gradient(70% 50% at 0% 40%, rgba(226, 138, 60, 0.08), transparent 68%),
    var(--night);
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.015em;
  line-height: 1.18;
  margin: 0;
}

.page-faq p {
  margin: 0;
}

.page-faq a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 227, 208, 0.35);
  transition: border-color var(--t-fast), color var(--t-fast);
}

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

.page-faq .breadcrumbs {
  padding-top: 20px;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: clamp(18px, 3vw, 30px) 0 clamp(30px, 5vw, 54px);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line) 18%, var(--gold) 50%, var(--line) 82%, transparent);
  opacity: 0.55;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-faq .faq-hero h1 {
  margin-top: 14px;
  font-size: clamp(34px, 7vw, 66px);
  line-height: 1.06;
  letter-spacing: -0.025em;
  color: var(--paper);
}

.page-faq .faq-hero h1 em {
  font-style: normal;
  color: var(--gold);
  position: relative;
  padding: 0 0.06em;
}

.page-faq .faq-hero h1 em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.06em;
  height: 0.1em;
  background: linear-gradient(90deg, var(--amber), rgba(224, 138, 60, 0.15));
}

.page-faq .faq-hero__text {
  margin-top: 20px;
  max-width: 40ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: var(--faq-body);
}

.page-faq .faq-hero__actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

.page-faq .faq-stat {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 14px 18px;
  background: var(--faq-panel-bg);
  border-left: 2px solid var(--gold);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-faq .faq-stat__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--gold);
  letter-spacing: -0.02em;
}

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

/* ---------- 症状索引条 ---------- */

.page-faq .faq-symptoms {
  padding: clamp(18px, 3vw, 28px) 0 clamp(10px, 2vw, 16px);
}

.page-faq .faq-symptoms__label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-faq .faq-symptoms__label::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: linear-gradient(90deg, var(--faq-line-soft), transparent);
}

.page-faq .faq-symptoms__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 2px 2px 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

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

.page-faq .faq-symptoms__list::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 2px;
}

.page-faq .faq-symptom {
  flex: 0 0 auto;
  display: inline-block;
  padding: 9px 20px;
  font-size: 13px;
  line-height: 1.4;
  letter-spacing: 0.02em;
  white-space: nowrap;
  color: var(--paper);
  background: rgba(11, 34, 51, 0.92);
  border: 1px solid var(--faq-line-soft);
  border-bottom: 1px solid var(--faq-line-soft);
  clip-path: polygon(9px 0, 100% 0, calc(100% - 9px) 100%, 0 100%);
  transition: color var(--t-fast), background var(--t-fast), border-color var(--t-fast);
}

.page-faq .faq-symptom:hover,
.page-faq .faq-symptom:focus-visible {
  color: var(--cyan);
  background: rgba(14, 59, 51, 0.9);
  border-color: var(--cyan);
  border-bottom-color: var(--cyan);
  outline: none;
}

/* ---------- 五步自查 ---------- */

.page-faq .faq-steps-sec {
  padding: clamp(34px, 5vw, 62px) 0 clamp(30px, 4vw, 50px);
}

.page-faq .section-head {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.page-faq .section-head__title {
  font-size: clamp(25px, 4vw, 38px);
  color: var(--paper);
}

.page-faq .faq-steps__intro {
  max-width: 46ch;
  margin-bottom: clamp(24px, 4vw, 36px);
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-body);
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 780px;
}

.page-faq .faq-step {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 30px;
}

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

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 52px;
  bottom: 4px;
  width: 1px;
  background: linear-gradient(180deg, var(--faq-line-soft), rgba(122, 91, 30, 0));
}

.page-faq .faq-step:last-child::before {
  content: none;
}

.page-faq .faq-step__num {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--gold);
  background: rgba(6, 19, 33, 0.96);
  border: 1px solid var(--line);
}

.page-faq .faq-step__body h3 {
  margin: 8px 0 10px;
  font-size: clamp(17px, 2.2vw, 20px);
  color: var(--paper);
}

.page-faq .faq-step__body p {
  max-width: 46ch;
  margin-bottom: 14px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--faq-body);
}

.page-faq .faq-step__done {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--mist);
  cursor: pointer;
  user-select: none;
}

.page-faq .faq-step__box {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  margin: 0;
  border-radius: 50%;
  border: 1.5px solid var(--line);
  background: transparent;
  cursor: pointer;
  position: relative;
  transition: border-color var(--t-fast), background var(--t-fast);
}

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

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

.page-faq .faq-step__box:checked {
  border-color: var(--cyan);
  background: rgba(79, 227, 208, 0.14);
}

.page-faq .faq-step__box:checked::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-faq .faq-steps__fig {
  margin: clamp(30px, 4vw, 44px) 0 0;
}

/* ---------- 问答区 ---------- */

.page-faq .faq-answers {
  padding: clamp(30px, 4vw, 48px) 0 clamp(38px, 5vw, 64px);
}

.page-faq .faq-answers__fig {
  margin: 0 0 clamp(30px, 4vw, 46px);
}

.page-faq .faq-answers__intro {
  max-width: 46ch;
  margin-bottom: clamp(22px, 3vw, 32px);
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-body);
}

.page-faq .faq-lanes {
  display: grid;
  gap: 20px;
}

.page-faq .faq-lane {
  padding: 20px clamp(16px, 3vw, 22px) 8px;
  background: linear-gradient(180deg, rgba(11, 34, 51, 0.88), rgba(6, 19, 33, 0.92));
  border: 1px solid var(--faq-line-soft);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

.page-faq .faq-lane__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 19px;
  color: var(--paper);
}

.page-faq .acc__item {
  border-bottom: 1px solid rgba(122, 91, 30, 0.22);
}

.page-faq .acc__item:last-child {
  border-bottom: 0;
}

.page-faq .acc__trigger {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  padding: 15px 0;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.65;
  text-align: left;
  color: var(--paper);
  background: none;
  border: 0;
  cursor: pointer;
  transition: color var(--t-fast);
}

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

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

.page-faq .acc__trigger::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.4;
  color: var(--gold);
  transition: color var(--t-fast);
}

.page-faq .acc__item[data-open] .acc__trigger::after {
  content: "−";
  color: var(--cyan);
}

.page-faq .acc__panel {
  padding: 0 0 16px 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--faq-body);
}

.page-faq .acc__item[data-open] .acc__panel {
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
}

.page-faq .acc__panel p {
  margin-bottom: 10px;
}

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

/* ---------- 人工协助 ---------- */

.page-faq .faq-help {
  position: relative;
  padding: clamp(34px, 5vw, 60px) 0 clamp(46px, 6vw, 76px);
  background:
    linear-gradient(180deg, rgba(14, 59, 51, 0.42), rgba(6, 19, 33, 0.9)),
    var(--indigo);
}

.page-faq .faq-help::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold) 50%, transparent);
  opacity: 0.6;
}

.page-faq .faq-help__grid {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
}

.page-faq .faq-help h2 {
  margin: 10px 0 16px;
  font-size: clamp(24px, 3.8vw, 36px);
  color: var(--paper);
}

.page-faq .faq-help__text {
  max-width: 46ch;
  margin-bottom: 16px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--faq-body);
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-help__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--faq-body);
}

.page-faq .faq-help__dot {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(79, 227, 208, 0.15);
}

.page-faq .faq-help__aside {
  padding: 20px clamp(16px, 3vw, 22px);
  background: rgba(6, 19, 33, 0.7);
  border: 1px solid var(--faq-line-soft);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

.page-faq .faq-help__aside-title {
  margin-bottom: 14px;
  font-size: 18px;
  color: var(--gold);
}

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

.page-faq .faq-contact__row {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(122, 91, 30, 0.32);
}

.page-faq .faq-contact__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-contact__key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-faq .faq-contact__val {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper);
}

.page-faq .faq-contact__mono {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--gold);
  word-break: break-all;
}

.page-faq .faq-help__note {
  margin-top: 16px;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-faq .faq-step {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 20px;
  }

  .page-faq .faq-step__num {
    width: 54px;
    height: 54px;
    font-size: 14px;
  }

  .page-faq .faq-step::before {
    left: 26px;
    top: 60px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    align-items: end;
  }

  .page-faq .faq-hero__side {
    padding-bottom: 6px;
  }

  .page-faq .faq-lanes {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 24px;
  }

  .page-faq .faq-lane--wide {
    grid-column: 1 / -1;
  }

  .page-faq .acc--split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: 30px;
  }

  .page-faq .acc--split .acc__item {
    border-bottom: 1px solid rgba(122, 91, 30, 0.22);
  }

  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-step__body p {
    max-width: 52ch;
  }

  .page-faq .faq-hero__text,
  .page-faq .faq-steps__intro,
  .page-faq .faq-answers__intro,
  .page-faq .faq-help__text {
    max-width: 48ch;
  }
}

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