.page-faq {
  --faq-band: clamp(44px, 7vw, 86px);
  --faq-cyan-soft: rgba(34, 227, 211, .12);
  --faq-violet-soft: rgba(139, 92, 246, .16);
  background: var(--ink);
  color: var(--frost);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}

.page-faq__crumbs {
  padding-top: clamp(14px, 3vw, 26px);
  padding-bottom: clamp(10px, 2vw, 18px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(20px, 4vw, 48px) 0 clamp(36px, 6vw, 76px);
  border-bottom: 1px solid var(--hair);
  background:
    radial-gradient(900px 420px at 92% 2%, var(--faq-cyan-soft), transparent 60%),
    radial-gradient(680px 380px at 0% 100%, var(--faq-violet-soft), transparent 62%),
    var(--ink);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

@media (min-width: 920px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: end;
  }
}

.page-faq .faq-hero__copy h1 {
  margin: 12px 0 0;
  font-size: clamp(30px, 5.4vw, 52px);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -.015em;
  color: var(--frost);
}

.page-faq .faq-hero__copy .lead {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 30px;
  align-items: baseline;
  margin-top: clamp(22px, 3vw, 32px);
  padding-top: clamp(16px, 2.4vw, 22px);
  border-top: 1px solid var(--hair);
}

.page-faq .fact {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq .fact__num {
  font-family: var(--cond);
  font-size: clamp(26px, 3.6vw, 34px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-faq .fact__label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--muted);
}

.page-faq .faq-hero__hint {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--muted);
}

.page-faq .faq-hero__hint a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-faq .faq-hero__hint a:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 3px;
}

.page-faq .faq-hero__visual {
  margin: 0;
  border: 2px solid var(--hair);
  background: var(--ink-2);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(.72) contrast(1.06) brightness(.84) hue-rotate(-6deg);
}

.page-faq .faq-hero__visual figcaption {
  border-top: 1px solid var(--hair);
  padding: 12px 16px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 主题跳转 ---------- */
.page-faq .faq-jump {
  background: var(--ink-2);
  border-bottom: 1px solid var(--hair);
  padding: clamp(18px, 3vw, 28px) 0;
}

.page-faq .faq-jump__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

@media (min-width: 700px) {
  .page-faq .faq-jump__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1060px) {
  .page-faq .faq-jump__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-faq .faq-jump__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  border: 1px solid var(--hair);
  background: var(--ink);
  color: var(--frost);
  text-decoration: none;
  transition: border-color .15s var(--ease), box-shadow .15s var(--ease), background-color .15s var(--ease);
}

.page-faq .faq-jump__link:hover {
  border-color: var(--cyan);
  box-shadow: inset 0 0 0 1px var(--cyan);
  background: #0A1120;
}

.page-faq .faq-jump__link:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 2px;
  border-color: var(--violet);
}

.page-faq .faq-jump__no {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.9;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-faq .faq-jump__text strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
}

.page-faq .faq-jump__text em {
  display: block;
  margin-top: 4px;
  font-family: var(--mono);
  font-style: normal;
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 内容分组 ---------- */
.page-faq .faq-block {
  padding: var(--faq-band) 0;
  border-bottom: 1px solid var(--hair);
  scroll-margin-top: 104px;
}

.page-faq .faq-block--tint {
  background: var(--ink-2);
}

.page-faq .faq-block__head {
  max-width: 760px;
}

.page-faq .faq-block__title {
  margin: 10px 0 12px;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: -.012em;
  color: var(--frost);
}

.page-faq .faq-block__lead {
  margin: 0 0 clamp(24px, 4vw, 44px);
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 三条检索路径 ---------- */
.page-faq .ways {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
  margin-bottom: clamp(30px, 4.5vw, 52px);
}

@media (min-width: 860px) {
  .page-faq .ways {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .way {
  background: var(--ink);
  padding: 24px 22px 26px;
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-faq .way__icon {
  color: var(--cyan);
  display: block;
}

.page-faq .way__icon svg {
  display: block;
  width: 30px;
  height: 30px;
}

.page-faq .way__title {
  margin: 0;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--frost);
}

.page-faq .way__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .way__keys {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 5px;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--muted);
  letter-spacing: .02em;
}

.page-faq .way__keys li::before {
  content: "▸ ";
  color: var(--cyan);
}

/* ---------- 三道确认流程 ---------- */
.page-faq .verify {
  background: var(--panel);
  border: 1px solid var(--hair);
  padding: clamp(20px, 3vw, 30px);
  margin-bottom: clamp(30px, 4.5vw, 48px);
}

.page-faq .verify__title {
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-faq .verify__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  counter-reset: verify;
}

@media (min-width: 820px) {
  .page-faq .verify__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .verify__step {
  position: relative;
  background: var(--ink);
  border-left: 2px solid var(--cyan);
  padding: 18px 18px 20px;
  counter-increment: verify;
}

.page-faq .verify__step::before {
  content: "0" counter(verify);
  display: block;
  margin-bottom: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--violet);
}

.page-faq .verify__step h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--frost);
}

.page-faq .verify__step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 提醒表 ---------- */
.page-faq .remind {
  border: 1px solid var(--hair);
  background: var(--ink);
  margin-bottom: clamp(30px, 4.5vw, 48px);
}

.page-faq .remind__caption {
  margin: 0;
  padding: 13px 16px;
  border-bottom: 1px solid var(--hair);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-faq .remind__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 15px 16px;
  border-bottom: 1px solid var(--hair);
  font-size: 14px;
}

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

@media (min-width: 780px) {
  .page-faq .remind__row {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.15fr) minmax(0, 1.15fr);
    gap: 4px 22px;
    align-items: baseline;
  }

  .page-faq .remind__row--head {
    background: var(--ink-2);
    font-family: var(--mono);
    font-size: 11.5px;
    letter-spacing: .12em;
    color: var(--violet);
  }
}

@media (max-width: 779px) {
  .page-faq .remind__row--head {
    display: none;
  }
}

.page-faq .remind__name {
  font-size: 15px;
  font-weight: 700;
  color: var(--frost);
  line-height: 1.55;
}

.page-faq .remind__name span {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .1em;
  color: var(--violet);
}

.page-faq .remind__cell {
  color: var(--muted);
  line-height: 1.7;
}

.page-faq .remind__cell b {
  display: none;
}

@media (max-width: 779px) {
  .page-faq .remind__cell b {
    display: block;
    margin-bottom: 2px;
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 400;
    letter-spacing: .12em;
    color: var(--violet);
  }
}

/* ---------- 问答组 ---------- */
.page-faq .qa-group {
  border-top: 2px solid var(--hair);
}

.page-faq .qa {
  position: relative;
  border-bottom: 1px solid var(--hair);
}

.page-faq .qa::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 3px;
  background: transparent;
  transition: background-color .2s var(--ease);
}

.page-faq .qa[open]::before {
  background: var(--cyan);
}

.page-faq .qa__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 16px 6px 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.5vw, 17px);
  font-weight: 700;
  line-height: 1.6;
  color: var(--frost);
  transition: color .15s var(--ease);
}

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

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

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

.page-faq .qa__no {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 400;
  line-height: 2.3;
  letter-spacing: .1em;
  color: var(--muted);
  transition: color .15s var(--ease);
}

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

.page-faq .qa__ind {
  width: 0;
  height: 0;
  margin-top: 10px;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 7px solid var(--muted);
  transition: transform .2s var(--ease), border-top-color .2s var(--ease);
}

.page-faq .qa[open] .qa__ind {
  transform: rotate(180deg);
  border-top-color: var(--cyan);
}

.page-faq .qa__body {
  padding: 0 6px 22px 18px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--muted);
}

.page-faq .qa__body > p {
  margin: 0 0 10px;
  max-width: 70ch;
}

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

.page-faq .qa__body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-faq .qa__body a:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 3px;
}

/* ---------- 反馈区块 ---------- */
.page-faq .faq-feedback {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  margin-bottom: clamp(30px, 4.5vw, 48px);
}

@media (min-width: 880px) {
  .page-faq .faq-feedback {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }
}

.page-faq .faq-feedback__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  counter-reset: fstep;
}

.page-faq .faq-feedback__steps li {
  position: relative;
  padding-left: 46px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
  counter-increment: fstep;
}

.page-faq .faq-feedback__steps li strong {
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
  font-weight: 700;
  color: var(--frost);
}

.page-faq .faq-feedback__steps li::before {
  content: counter(fstep);
  position: absolute;
  left: 0;
  top: 1px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid var(--hair);
  background: var(--panel);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-faq .faq-feedback__figure {
  margin: 0;
  border: 2px solid var(--hair);
  background: var(--ink);
  box-shadow: var(--shadow-violet);
}

.page-faq .faq-feedback__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(.78) contrast(1.06) brightness(.82) hue-rotate(-8deg);
}

.page-faq .faq-feedback__figure figcaption {
  border-top: 1px solid var(--hair);
  padding: 12px 16px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 结尾引导 ---------- */
.page-faq .faq-cta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: center;
  margin-top: clamp(26px, 4vw, 40px);
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--hair);
  background: var(--ink);
  box-shadow: var(--shadow-cyan);
}

@media (min-width: 760px) {
  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 24px;
  }
}

.page-faq .faq-cta p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-cta p strong {
  display: block;
  margin-bottom: 4px;
  font-size: 17px;
  color: var(--frost);
}

.page-faq .faq-cta .btn {
  justify-self: start;
  white-space: nowrap;
}

@media (min-width: 760px) {
  .page-faq .faq-cta .btn {
    justify-self: end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__ind,
  .page-faq .qa::before,
  .page-faq .qa__summary,
  .page-faq .faq-jump__link {
    transition: none;
  }
}