.page-faq {
  --faq-soft: rgba(47, 227, 214, .1);
  --faq-amber-soft: rgba(245, 169, 75, .08);
  padding-bottom: 56px;
}

.page-faq .faq-h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.6vw, 34px);
  line-height: 1.22;
  letter-spacing: -.02em;
  color: var(--white);
  margin: 8px 0 12px;
}

.page-faq .faq-p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0 0 14px;
  max-width: 40em;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: 24px;
  padding-top: 22px;
}

.page-faq .faq-hero__visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface-1);
}

.page-faq .faq-hero__caption {
  position: absolute;
  left: 12px;
  bottom: 12px;
  margin: 0;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(7, 19, 37, .84);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
}

.page-faq .faq-hero__text h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 7vw, 60px);
  line-height: 1.05;
  letter-spacing: -.035em;
  color: var(--white);
  margin: 10px 0 14px;
}

.page-faq .faq-hero .lede {
  max-width: 34em;
  color: var(--white);
  opacity: .86;
}

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

/* ---------- 数据条 ---------- */
.page-faq .faq-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 26px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-fact {
  background: var(--surface-1);
  padding: 14px 14px 16px;
}

.page-faq .faq-fact__num {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 3.4vw, 28px);
  letter-spacing: -.02em;
  color: var(--cyan);
}

.page-faq .faq-fact__label {
  display: block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
}

/* ---------- 五类标签页 ---------- */
.page-faq .faq-tabs {
  margin-top: 54px;
}

.page-faq .faq-switcher {
  margin-top: 20px;
}

.page-faq .faq-switcher__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .faq-bar {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.page-faq .faq-bar__item {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface-1);
  color: var(--muted);
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  transition: border-color .22s ease-out, background-color .22s ease-out, color .22s ease-out;
}

.page-faq .faq-bar__item:hover {
  border-color: var(--cyan-dark);
  color: var(--white);
}

.page-faq .faq-bar__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--violet);
}

.page-faq :is(
  #faq-cat-1:checked ~ .faq-bar [for="faq-cat-1"],
  #faq-cat-2:checked ~ .faq-bar [for="faq-cat-2"],
  #faq-cat-3:checked ~ .faq-bar [for="faq-cat-3"],
  #faq-cat-4:checked ~ .faq-bar [for="faq-cat-4"],
  #faq-cat-5:checked ~ .faq-bar [for="faq-cat-5"]
) {
  border-color: var(--cyan);
  background: var(--faq-soft);
  color: var(--white);
  box-shadow: inset 0 0 0 1px rgba(47, 227, 214, .35);
}

.page-faq :is(
  #faq-cat-1:checked ~ .faq-bar [for="faq-cat-1"] .faq-bar__num,
  #faq-cat-2:checked ~ .faq-bar [for="faq-cat-2"] .faq-bar__num,
  #faq-cat-3:checked ~ .faq-bar [for="faq-cat-3"] .faq-bar__num,
  #faq-cat-4:checked ~ .faq-bar [for="faq-cat-4"] .faq-bar__num,
  #faq-cat-5:checked ~ .faq-bar [for="faq-cat-5"] .faq-bar__num
) {
  color: var(--cyan);
}

.page-faq .faq-switcher__radio:focus-visible ~ .faq-bar {
  outline: none;
}

.page-faq :is(
  #faq-cat-1:focus-visible ~ .faq-bar [for="faq-cat-1"],
  #faq-cat-2:focus-visible ~ .faq-bar [for="faq-cat-2"],
  #faq-cat-3:focus-visible ~ .faq-bar [for="faq-cat-3"],
  #faq-cat-4:focus-visible ~ .faq-bar [for="faq-cat-4"],
  #faq-cat-5:focus-visible ~ .faq-bar [for="faq-cat-5"]
) {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-panels {
  margin-top: 18px;
}

.page-faq .faq-panel {
  display: none;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq :is(
  #faq-cat-1:checked ~ .faq-panels > #faq-panel-1,
  #faq-cat-2:checked ~ .faq-panels > #faq-panel-2,
  #faq-cat-3:checked ~ .faq-panels > #faq-panel-3,
  #faq-cat-4:checked ~ .faq-panels > #faq-panel-4,
  #faq-cat-5:checked ~ .faq-panels > #faq-panel-5
) {
  display: grid;
  animation: faq-rise .22s ease-out both;
}

@keyframes faq-rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 问答卡 ---------- */
.page-faq .qa {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-1);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: border-color .26s ease-out;
}

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

.page-faq .qa__head {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr) 16px;
  gap: 12px;
  padding: 15px 14px;
  cursor: pointer;
  list-style: none;
  align-items: start;
}

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

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

.page-faq .qa__num {
  grid-column: 1;
  grid-row: 1 / span 2;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-faq .qa__q {
  grid-column: 2;
  grid-row: 1;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.55;
  color: var(--white);
}

.page-faq .qa__peek {
  grid-column: 2;
  grid-row: 2;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .qa[open] .qa__peek {
  color: var(--violet);
}

.page-faq .qa__arrow {
  grid-column: 3;
  grid-row: 1 / span 2;
  justify-self: center;
  width: 9px;
  height: 9px;
  margin-top: 8px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform .22s ease-out, border-color .22s ease-out;
}

.page-faq .qa[open] .qa__arrow {
  transform: rotate(-135deg);
  border-color: var(--cyan);
}

.page-faq .qa__body {
  border-top: 1px solid var(--line);
  padding: 14px 14px 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .qa__steps {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
}

.page-faq .qa__steps li::marker {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-faq .qa__tip {
  margin: 12px 0 0;
  padding: 10px 12px;
  border-left: 2px solid var(--amber);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--faq-amber-soft);
  color: var(--amber-pale);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- 移动端路径 ---------- */
.page-faq .faq-flow {
  margin-top: 56px;
  padding-block: 40px 44px;
  background:
    radial-gradient(120% 80% at 12% 0%, rgba(47, 227, 214, .12), transparent 60%),
    linear-gradient(180deg, rgba(19, 41, 74, .82), rgba(13, 30, 56, .38));
  border-block: 1px solid var(--line);
}

.page-faq .faq-flow__grid {
  display: grid;
  gap: 26px;
}

.page-faq .faq-steps {
  margin-top: 20px;
  padding: 16px 14px 12px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: rgba(7, 19, 37, .55);
}

.page-faq .faq-steps svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .faq-steps__labels {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  margin-top: 8px;
  text-align: center;
}

.page-faq .faq-steps__labels span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--muted);
  line-height: 1.5;
}

.page-faq .faq-paths {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-path {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(7, 19, 37, .62);
}

.page-faq .faq-path__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--amber);
}

.page-faq .faq-path h3 {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.4;
  color: var(--white);
}

.page-faq .faq-path p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-flow__visual {
  margin: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-flow__visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  background: var(--surface-2);
}

.page-faq .faq-flow__visual figcaption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--muted);
  text-align: right;
}

/* ---------- 设备与安全 ---------- */
.page-faq .faq-security {
  margin-top: 56px;
}

.page-faq .faq-security__head {
  display: grid;
  gap: 14px;
  align-items: start;
}

.page-faq .faq-security__head .btn {
  justify-self: start;
}

.page-faq .faq-sec-cards {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-faq .faq-sec-card {
  padding: 18px 16px 20px;
}

.page-faq .faq-sec-card__tag {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-faq .faq-sec-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  color: var(--white);
}

.page-faq .faq-sec-card p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 人工协助 ---------- */
.page-faq .faq-help {
  margin-top: 56px;
}

.page-faq .faq-help__block {
  display: grid;
  gap: 22px;
  align-items: start;
}

.page-faq .faq-help__steps {
  list-style: none;
  counter-reset: faq-help-step;
  margin: 6px 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-help__steps li {
  counter-increment: faq-help-step;
  position: relative;
  padding-left: 34px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-help__steps li::before {
  content: counter(faq-help-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--amber);
}

.page-faq .faq-help__steps strong {
  color: var(--white);
  font-weight: 600;
}

.page-faq .faq-help__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-help__contact {
  padding: 20px 18px 22px;
  color: var(--on-amber);
}

.page-faq .faq-help__contact-tag {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: rgba(26, 18, 6, .72);
}

.page-faq .faq-help__row {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--on-amber);
  word-break: break-word;
}

.page-faq .faq-help__row span {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: rgba(26, 18, 6, .6);
  margin-bottom: 2px;
}

.page-faq .faq-help__row a {
  color: var(--on-amber);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-help__note {
  margin: 14px 0 16px;
  padding-top: 12px;
  border-top: 1px solid rgba(26, 18, 6, .18);
  font-size: 12.5px;
  line-height: 1.75;
  color: rgba(26, 18, 6, .74);
}

.page-faq .faq-help__contact .btn--amber {
  display: inline-block;
}

@media (min-width: 640px) {
  .page-faq .faq-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .qa__head {
    grid-template-columns: 20px minmax(0, 1fr) 18px;
    gap: 14px;
    padding: 18px 18px 16px;
  }

  .page-faq .qa__q {
    font-size: 17px;
  }

  .page-faq .qa__body {
    padding: 16px 18px 18px;
  }

  .page-faq .faq-sec-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-flow {
    padding-block: 52px 56px;
  }
}

@media (min-width: 900px) {
  .page-faq {
    padding-bottom: 72px;
  }

  .page-faq .faq-hero {
    grid-template-columns: 5fr 7fr;
    gap: 40px;
    align-items: end;
    padding-top: 34px;
  }

  .page-faq .faq-hero__visual img {
    aspect-ratio: 10 / 7;
  }

  .page-faq .faq-hero__text {
    padding-bottom: 10px;
  }

  .page-faq .faq-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 18px;
    row-gap: 20px;
    align-items: start;
  }

  .page-faq .faq-panel > .qa:nth-child(even) {
    margin-top: 26px;
  }

  .page-faq .faq-flow__grid {
    grid-template-columns: 7fr 4fr;
    gap: 34px;
    align-items: start;
  }

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

  .page-faq .faq-flow__visual img {
    aspect-ratio: 3 / 4;
  }

  .page-faq .faq-security__head {
    grid-template-columns: 7fr 4fr;
    gap: 30px;
    align-items: end;
  }

  .page-faq .faq-security__head .btn {
    justify-self: end;
  }

  .page-faq .faq-sec-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 26px;
  }

  .page-faq .faq-sec-card:nth-child(2) {
    margin-top: 22px;
  }

  .page-faq .faq-help__block {
    grid-template-columns: 7fr 4fr;
    gap: 34px;
    align-items: start;
  }

  .page-faq .faq-help__contact {
    padding: 26px 24px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq :is(
    #faq-cat-1:checked ~ .faq-panels > #faq-panel-1,
    #faq-cat-2:checked ~ .faq-panels > #faq-panel-2,
    #faq-cat-3:checked ~ .faq-panels > #faq-panel-3,
    #faq-cat-4:checked ~ .faq-panels > #faq-panel-4,
    #faq-cat-5:checked ~ .faq-panels > #faq-panel-5
  ) {
    animation: none;
  }

  .page-faq .qa__arrow,
  .page-faq .faq-bar__item,
  .page-faq .qa {
    transition: none;
  }
}
<<<END>>>