.page-faq {
  --faq-shadow: var(--shadow-soft);
  padding: clamp(18px, 3vw, 36px) 0 clamp(48px, 7vw, 90px);
  color: var(--c-paper);
}

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--f-label);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-mist);
}

.page-faq .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--c-line);
}

.page-faq .breadcrumb-link {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color .16s var(--ease), color .16s var(--ease);
}

.page-faq .breadcrumb-link:hover,
.page-faq .breadcrumb-link:focus-visible {
  color: var(--c-signal);
  border-bottom-color: var(--c-signal);
}

.page-faq .breadcrumb-current {
  color: var(--c-paper);
}

.page-faq .page-head {
  display: grid;
  gap: clamp(12px, 1.8vw, 20px);
  margin: clamp(18px, 3vw, 34px) 0 clamp(28px, 4vw, 52px);
  padding-bottom: clamp(20px, 3vw, 34px);
  border-bottom: var(--bd) solid var(--c-line);
}

.page-faq .eyebrow {
  margin: 0;
  display: inline-block;
  font-family: var(--f-label);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-cyan);
  padding-bottom: 6px;
  border-bottom: 2px solid var(--c-signal);
  justify-self: start;
}

.page-faq .page-home-link {
  font-family: var(--f-label);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-mist);
  text-decoration: none;
  justify-self: start;
  transition: color .16s var(--ease);
}

.page-faq .page-home-link:hover,
.page-faq .page-home-link:focus-visible {
  color: var(--c-cyan);
}

.page-faq .page-title {
  margin: 0;
  max-width: 24ch;
  font-family: var(--f-head);
  font-size: clamp(30px, 5.4vw, 62px);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--c-paper);
}

.page-faq .lede {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  color: var(--c-paper);
}

.page-faq .section {
  margin-top: clamp(34px, 5vw, 64px);
}

.page-faq .section-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(18px, 2.6vw, 28px);
}

.page-faq .section-title {
  margin: 0;
  font-family: var(--f-head);
  font-size: clamp(24px, 3.2vw, 38px);
  line-height: 1.24;
  letter-spacing: -.015em;
  color: var(--c-paper);
}

.page-faq .section-note {
  margin: 0;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-mist);
}

/* 四象限排查台 */
.page-faq .triage {
  display: grid;
  gap: var(--gap);
  grid-template-columns: 1fr;
}

.page-faq .quad-grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: 1fr;
}

.page-faq .quad {
  --accent: var(--c-cyan);
  position: relative;
  display: grid;
  align-content: start;
  gap: 8px;
  padding: clamp(15px, 2.2vw, 24px);
  border: var(--bd) solid var(--c-line);
  border-top: var(--bd-thick) solid var(--accent);
  background: var(--c-panel);
  box-shadow: var(--faq-shadow);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .quad--benefit { --accent: var(--c-gold); }
.page-faq .quad--local { --accent: var(--c-teal); }
.page-faq .quad--account { --accent: var(--c-signal); }

.page-faq .quad:hover,
.page-faq .quad:focus-within {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard);
  border-color: var(--c-signal);
}

.page-faq .quad-num {
  font-family: var(--f-label);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--accent);
}

.page-faq .quad-title {
  margin: 0;
  font-family: var(--f-head);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.3;
  color: var(--c-paper);
}

.page-faq .quad-desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--c-mist);
}

.page-faq .quad-link {
  justify-self: start;
  margin-top: 4px;
  font-family: var(--f-label);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 2px solid var(--c-line);
  padding-bottom: 3px;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-faq .quad-link:hover,
.page-faq .quad-link:focus-visible {
  color: var(--c-signal);
  border-bottom-color: var(--c-signal);
}

.page-faq .triage-aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-faq .triage-figure {
  margin: 0;
  padding: 10px;
  border: var(--bd) solid var(--c-line);
  background: var(--c-ink);
  box-shadow: var(--faq-shadow);
}

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

.page-faq .media-caption {
  margin: 10px 0 0;
  font-family: var(--f-label);
  font-size: 11.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-mist);
}

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

.page-faq .legend-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--c-mist);
}

.page-faq .tag {
  font-family: var(--f-label);
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1px solid currentColor;
  white-space: nowrap;
}

/* 三步条 */
.page-faq .steps-band {
  counter-reset: band;
  list-style: none;
  margin: var(--gap) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  border: var(--bd) solid var(--c-line);
  background: var(--c-ink);
}

.page-faq .steps-band .step {
  counter-increment: band;
  padding: 16px clamp(14px, 2vw, 22px);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-paper);
  border-top: 1px solid var(--c-line);
}

.page-faq .steps-band .step:first-child {
  border-top: 0;
}

.page-faq .steps-band .step::before {
  content: "0" counter(band);
  display: block;
  margin-bottom: 6px;
  font-family: var(--f-label);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--c-signal);
}

/* 问答区 */
.page-faq .qa-intro {
  display: grid;
  gap: var(--gap);
  grid-template-columns: 1fr;
  align-items: start;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .qa-figure {
  margin: 0;
  padding: 10px;
  border: var(--bd) solid var(--c-line);
  background: var(--c-panel);
  box-shadow: var(--faq-shadow);
}

.page-faq .faq-groups {
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
}

.page-faq .faq-group {
  border: var(--bd) solid var(--c-line);
  background: var(--c-panel);
  box-shadow: var(--faq-shadow);
  scroll-margin-top: 96px;
}

.page-faq .faq-group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: clamp(14px, 2vw, 20px) clamp(14px, 2.2vw, 24px);
  border-bottom: var(--bd) solid var(--c-line);
  background: linear-gradient(90deg, rgba(52, 240, 207, .10), rgba(52, 240, 207, 0) 62%);
}

.page-faq .faq-group-num {
  font-family: var(--f-label);
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1;
  color: var(--c-cyan);
}

.page-faq .faq-group-title {
  flex: 1 1 auto;
  margin: 0;
  font-family: var(--f-head);
  font-size: clamp(19px, 2.4vw, 26px);
  line-height: 1.3;
  color: var(--c-paper);
}

.page-faq .faq-group-count {
  font-family: var(--f-label);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--c-mist);
}

.page-faq .qa {
  border-top: 1px solid var(--c-line);
  transition: box-shadow .18s var(--ease), background-color .18s var(--ease);
}

.page-faq .qa:first-of-type {
  border-top: 0;
}

.page-faq .qa[open] {
  box-shadow: inset 4px 0 0 var(--c-signal);
  background: rgba(8, 26, 43, .55);
}

.page-faq .qa-q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 15px clamp(14px, 2.2vw, 24px);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.62;
  color: var(--c-paper);
  cursor: pointer;
  list-style: none;
  transition: color .16s var(--ease), background-color .16s var(--ease);
}

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

.page-faq .qa-q::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--f-label);
  font-size: 21px;
  line-height: 1;
  color: var(--c-cyan);
}

.page-faq .qa[open] > .qa-q::after {
  content: "–";
  color: var(--c-signal);
}

.page-faq .qa-q:hover {
  color: var(--c-cyan);
  background: rgba(255, 106, 42, .07);
}

.page-faq .qa-q:focus-visible {
  outline: 2px solid var(--c-signal);
  outline-offset: -2px;
}

.page-faq .qa-a {
  padding: 0 clamp(14px, 2.2vw, 24px) clamp(16px, 2vw, 22px);
}

.page-faq .qa-a p {
  margin: 0 0 10px;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--c-paper);
}

.page-faq .qa-state {
  margin: 0 0 12px;
}

.page-faq .steps {
  counter-reset: step;
  list-style: none;
  margin: 0 0 10px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .steps li {
  counter-increment: step;
  position: relative;
  padding-left: 36px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--c-paper);
}

.page-faq .steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 2px;
  width: 23px;
  height: 23px;
  display: grid;
  place-items: center;
  font-family: var(--f-label);
  font-size: 12px;
  color: var(--c-ink);
  background: var(--c-cyan);
  border-radius: 2px;
}

/* 仍未解决 */
.page-faq .help {
  display: grid;
  gap: var(--gap);
  grid-template-columns: 1fr;
  padding: clamp(18px, 3vw, 34px);
  border: var(--bd-thick) solid var(--c-signal);
  background: var(--c-ink);
  box-shadow: var(--shadow-hard);
}

.page-faq .help-main {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-faq .help-title {
  margin: 0;
  font-family: var(--f-head);
  font-size: clamp(22px, 2.8vw, 32px);
  line-height: 1.28;
  letter-spacing: -.015em;
  color: var(--c-paper);
}

.page-faq .help-text {
  margin: 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--c-mist);
}

.page-faq .help-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .help-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-paper);
}

.page-faq .help-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 10px;
  background: var(--c-cyan);
  border: 1px solid var(--c-edge);
}

.page-faq .help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.page-faq .help-actions .btn {
  font-family: var(--f-label);
  font-size: 12.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 11px 18px;
  border: 2px solid var(--c-signal);
  transition: transform .16s var(--ease), border-color .16s var(--ease), color .16s var(--ease), background-color .16s var(--ease);
}

.page-faq .help-actions .btn--primary {
  background: var(--c-signal);
  color: var(--c-ink);
}

.page-faq .help-actions .btn--primary:hover,
.page-faq .help-actions .btn--primary:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-soft);
}

.page-faq .help-actions .btn--ghost {
  color: var(--c-paper);
  border-color: var(--c-line);
  background: transparent;
}

.page-faq .help-actions .btn--ghost:hover,
.page-faq .help-actions .btn--ghost:focus-visible {
  color: var(--c-cyan);
  border-color: var(--c-cyan);
}

.page-faq .help-contact {
  display: grid;
  gap: 6px;
  align-content: start;
  padding: clamp(14px, 2.2vw, 22px);
  border: var(--bd) solid var(--c-line);
  background: var(--c-panel);
}

.page-faq .help-contact-label {
  margin: 8px 0 0;
  font-family: var(--f-label);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.page-faq .help-contact-label:first-child {
  margin-top: 0;
}

.page-faq .help-contact-value {
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-paper);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  justify-self: start;
  word-break: break-word;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-faq .help-contact-value:hover,
.page-faq .help-contact-value:focus-visible {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

.page-faq .help-contact-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-paper);
}

.page-faq .help-contact-note {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--c-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-mist);
}

@media (min-width: 620px) {
  .page-faq .quad-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-faq .steps-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .steps-band .step {
    border-top: 0;
    border-left: 1px solid var(--c-line);
  }

  .page-faq .steps-band .step:first-child {
    border-left: 0;
  }
}

@media (min-width: 900px) {
  .page-faq .triage {
    grid-template-columns: minmax(0, 1.38fr) minmax(0, .92fr);
    align-items: start;
  }

  .page-faq .qa-intro {
    grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
  }

  .page-faq .help {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-faq .page-head {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .page-title {
    max-width: 26ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .quad,
  .page-faq .qa,
  .page-faq .qa-q,
  .page-faq .help-actions .btn,
  .page-faq .breadcrumb-link {
    transition: none;
  }

  .page-faq .quad:hover,
  .page-faq .quad:focus-within,
  .page-faq .help-actions .btn--primary:hover {
    transform: none;
  }
}
<<<END>>>