.page-faq {
  --faq-line: rgba(143, 179, 170, 0.24);
  --faq-soft: rgba(201, 162, 39, 0.16);
  --faq-paper-line: rgba(16, 24, 32, 0.18);
  padding-bottom: 88px;
  overflow-x: clip;
}

.page-faq a:focus-visible,
.page-faq summary:focus-visible,
.page-faq label:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-faq .faq-hero {
  padding-top: 26px;
}

.page-faq .faq-hero__title {
  margin: 10px 0 14px;
  font-size: clamp(2rem, 7.4vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 22ch;
}

.page-faq .faq-hero .lede {
  max-width: 54ch;
}

.page-faq .faq-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.page-faq h2 {
  margin: 8px 0 12px;
  font-size: clamp(1.4rem, 4.6vw, 2rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--paper);
}

/* ---------- 三选一分流 ---------- */
.page-faq .triage-wrap {
  margin-top: 40px;
}

.page-faq .triage {
  display: grid;
  gap: 22px;
  padding: 20px;
  border-radius: var(--radius-lg);
}

.page-faq .triage__title {
  margin: 8px 0 10px;
}

.page-faq .triage__note {
  margin: 0 0 18px;
  max-width: 48ch;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .triage__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .triage__btn {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: center;
  gap: 4px 12px;
  padding: 12px 18px;
  border-radius: var(--pill);
  background: var(--ink-800);
  border: 1px solid var(--faq-line);
  color: var(--paper);
  text-decoration: none;
  transition: border-color 160ms var(--ease), transform 160ms var(--ease);
}

.page-faq .triage__btn:hover,
.page-faq .triage__btn:focus-visible {
  border-color: var(--amber);
  transform: translateX(3px);
}

.page-faq .triage__idx {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--faq-soft);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

.page-faq .triage__label {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.42;
}

.page-faq .triage__sub {
  font-size: 0.84rem;
  line-height: 1.5;
  color: var(--mist);
}

.page-faq .triage__figure {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--faq-line);
  background: var(--ink-900);
}

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

/* ---------- 三步操作 ---------- */
.page-faq .switch-block {
  margin-top: 72px;
}

.page-faq .switch-block__lede {
  margin: 0;
  max-width: 56ch;
  font-size: 0.95rem;
  line-height: 1.82;
  color: var(--mist);
}

.page-faq .switch-block__body {
  display: grid;
  gap: 24px;
  margin-top: 22px;
}

.page-faq .steps {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-faq .steps__meter {
  height: 5px;
  border-radius: var(--pill);
  background: rgba(143, 179, 170, 0.2);
  overflow: hidden;
}

.page-faq .steps__bar {
  display: block;
  width: 0;
  height: 100%;
  border-radius: var(--pill);
  background: linear-gradient(90deg, var(--amber), var(--celadon));
  transition: width 240ms var(--ease);
}

.page-faq .steps:has(#step-1:checked) .steps__bar {
  width: 33.33%;
}

.page-faq .steps:has(#step-1:checked):has(#step-2:checked) .steps__bar {
  width: 66.66%;
}

.page-faq .steps:has(#step-1:checked):has(#step-2:checked):has(#step-3:checked) .steps__bar {
  width: 100%;
}

.page-faq .step {
  position: relative;
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 12px 14px;
  padding: 18px 16px;
  border-radius: var(--radius-md);
  background: var(--ink-700);
  border-left: 4px solid transparent;
  transition: border-color 240ms var(--ease);
}

.page-faq .step + .step::before {
  content: "";
  position: absolute;
  left: 47px;
  top: -18px;
  width: 2px;
  height: 18px;
  background: linear-gradient(180deg, var(--amber), var(--mist));
}

.page-faq .step__num {
  align-self: start;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 1.75rem;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-faq .step__body h3 {
  margin: 0 0 6px;
  font-size: 1.02rem;
  line-height: 1.45;
  color: var(--paper);
}

.page-faq .step__body p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.78;
  color: var(--paper-dim);
}

.page-faq .step__check {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-faq .step__done {
  grid-column: 1 / -1;
  justify-self: start;
  margin-top: 4px;
  padding: 6px 14px;
  border-radius: var(--pill);
  border: 1px solid var(--faq-line);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-faq .step__done .done-on {
  display: none;
}

.page-faq .step__check:checked ~ .step__done {
  color: var(--celadon);
  border-color: var(--celadon);
}

.page-faq .step__check:checked ~ .step__done .done-on {
  display: inline;
}

.page-faq .step__check:checked ~ .step__done .done-off {
  display: none;
}

.page-faq .step:has(.step__check:checked) {
  border-left-color: var(--celadon);
}

.page-faq .step:has(.step__check:checked) .step__num {
  color: var(--celadon);
}

.page-faq .switch-aside {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-faq .switch-aside__figure {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--faq-line);
  background: var(--ink-900);
}

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

.page-faq .switch-aside__cap {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--mist);
}

/* ---------- 自查清单 ---------- */
.page-faq .checklist {
  margin-top: 72px;
  padding: 20px;
  border-radius: var(--radius-lg);
}

.page-faq .checklist .eyebrow {
  color: var(--steel);
}

.page-faq .checklist h2 {
  color: var(--coal);
}

.page-faq .checklist__list {
  display: grid;
  gap: 16px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .checklist__item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
}

.page-faq .checklist__mark {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--coal);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.page-faq .checklist__title {
  margin: 0 0 4px;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--coal);
}

.page-faq .checklist__desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.76;
  color: var(--steel);
}

.page-faq .checklist__foot {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--faq-paper-line);
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--steel);
}

/* ---------- 问答折叠 ---------- */
.page-faq .faq {
  margin-top: 72px;
}

.page-faq .qa-group {
  margin-top: 22px;
}

.page-faq .qa-group__title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .qa {
  border-bottom: 1px solid var(--faq-line);
  transition: box-shadow 240ms var(--ease);
}

.page-faq .qa[open] {
  box-shadow: inset 4px 0 0 var(--celadon);
}

.page-faq .qa summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 6px 14px 20px;
  list-style: none;
  cursor: pointer;
}

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

.page-faq .qa summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1.2;
  color: var(--mist);
}

.page-faq .qa[open] summary::after {
  content: "–";
  color: var(--celadon);
}

.page-faq .qa__q {
  font-size: 0.97rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--paper-dim);
  transition: color 160ms var(--ease);
}

.page-faq .qa summary:hover .qa__q,
.page-faq .qa[open] .qa__q {
  color: var(--paper);
}

.page-faq .qa__body {
  padding: 0 12px 16px 20px;
}

.page-faq .qa__body p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.82;
  color: var(--mist);
}

/* ---------- 人工支持 ---------- */
.page-faq .reach {
  margin-top: 72px;
  padding: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(242, 163, 58, 0.32);
  background:
    linear-gradient(155deg, rgba(242, 163, 58, 0.12), rgba(11, 27, 43, 0) 58%),
    var(--ink-800);
}

.page-faq .reach__note {
  margin: 0 0 16px;
  max-width: 54ch;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .reach__lines {
  display: grid;
  gap: 10px;
}

.page-faq .reach__line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 10px;
  margin: 0;
  font-size: 0.95rem;
  color: var(--paper-dim);
}

.page-faq .reach__key {
  min-width: 46px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-faq .reach__line a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 163, 58, 0.45);
}

.page-faq .reach__line a:hover {
  color: var(--paper);
  border-color: var(--paper);
}

.page-faq .reach__tip {
  margin: 18px 0 0;
  font-size: 0.88rem;
  line-height: 1.82;
  color: var(--mist);
}

.page-faq .reach__tip a {
  color: var(--paper-dim);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .reach__tip a:hover {
  color: var(--amber);
}

.page-faq .faq-sign {
  margin: 36px 0 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--mist);
}

/* ---------- 目标高亮与回跳 ---------- */
.page-faq .jump-target {
  scroll-margin-top: calc(var(--top-h) + 24px);
}

.page-faq .jump-target:target {
  outline: 2px solid var(--amber);
  outline-offset: 8px;
  border-radius: var(--radius-lg);
}

.page-faq .float-back {
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border-radius: var(--pill);
  background: var(--ink-700);
  border: 1px solid var(--amber);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  box-shadow: var(--shadow-panel);
}

.page-faq .float-back:hover {
  background: var(--ink-800);
  color: var(--paper);
}

@media (min-width: 720px) {
  .page-faq .triage {
    padding: 26px;
  }

  .page-faq .checklist,
  .page-faq .reach {
    padding: 28px;
  }

  .page-faq .steps {
    gap: 22px;
  }

  .page-faq .step {
    grid-template-columns: 72px minmax(0, 1fr);
    padding: 22px 20px;
  }

  .page-faq .step + .step::before {
    left: 59px;
    top: -22px;
    height: 22px;
  }

  .page-faq .step__num {
    font-size: 2.4rem;
  }

  .page-faq .float-back {
    right: 24px;
    bottom: 24px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    padding-top: 38px;
  }

  .page-faq .triage {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: center;
    gap: 32px;
    padding: 32px;
  }

  .page-faq .triage__btn:nth-child(1) {
    width: 100%;
  }

  .page-faq .triage__btn:nth-child(2) {
    width: 94%;
  }

  .page-faq .triage__btn:nth-child(3) {
    width: 88%;
  }

  .page-faq .switch-block__body {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 32px;
  }

  .page-faq .switch-aside {
    position: sticky;
    top: calc(var(--top-h) + 20px);
  }

  .page-faq .step {
    grid-template-columns: 96px minmax(0, 1fr) auto;
    gap: 8px 20px;
    padding: 26px 24px;
  }

  .page-faq .step + .step::before {
    left: 74px;
    top: -22px;
    height: 22px;
  }

  .page-faq .step__num {
    font-size: 3.2rem;
    letter-spacing: 0.02em;
  }

  .page-faq .step__done {
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
    align-self: start;
    margin-top: 4px;
  }

  .page-faq .checklist__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .triage__btn,
  .page-faq .step,
  .page-faq .steps__bar,
  .page-faq .step__done,
  .page-faq .qa,
  .page-faq .qa__q {
    transition: none;
  }

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