.page-faq {
  --faq-pad: clamp(30px, 5vw, 68px);
  --faq-ink-soft: #43554e;
  background: var(--c-deep);
  color: var(--c-text);
  font-family: var(--font-sans);
}

.page-faq .wrap {
  width: min(var(--maxw), calc(100% - var(--gutter) * 2));
  margin-inline: auto;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding: clamp(24px, 4vw, 46px) 0 clamp(28px, 4.5vw, 58px);
  background:
    radial-gradient(120% 95% at 86% 6%, rgba(216, 169, 75, .17), transparent 58%),
    radial-gradient(90% 80% at 8% 100%, rgba(63, 185, 255, .1), transparent 60%),
    var(--c-deep);
  border-bottom: var(--frame) solid var(--c-line);
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(18px, 3vw, 34px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-text-dim);
}

.page-faq .breadcrumb a {
  color: var(--c-text-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease-out), border-color .2s var(--ease-out);
}

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

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 56px);
}

.page-faq .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--c-gold);
}

.page-faq .faq-hero h1 {
  margin: 12px 0 18px;
  max-width: 19ch;
  font-size: clamp(30px, 5.4vw, 60px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.028em;
  color: var(--c-paper);
}

.page-faq .lede {
  margin: 0;
  max-width: 48ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  color: var(--c-text-dim);
}

.page-faq .btn-row {
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-hero__side {
  display: grid;
  gap: 16px;
  padding-left: clamp(14px, 2vw, 24px);
  border-left: var(--frame) solid var(--c-gold);
}

.page-faq .note-vertical {
  justify-self: start;
  max-height: 168px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .32em;
  color: var(--c-line);
  writing-mode: vertical-rl;
}

.page-faq .faq-quick {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
}

.page-faq .faq-quick a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-text);
  text-decoration: none;
  border-bottom: 1px solid rgba(110, 122, 114, .45);
  transition: color .2s var(--ease-out), padding-left .2s var(--ease-out);
}

.page-faq .faq-quick a:hover,
.page-faq .faq-quick a:focus-visible {
  color: var(--c-blue);
  padding-left: 12px;
}

.page-faq .faq-quick .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--c-orange);
}

/* ---------- 顶部横幅 ---------- */

.page-faq .faq-banner {
  margin: 0;
  overflow: hidden;
  border-bottom: var(--frame) solid var(--c-gold);
}

.page-faq .faq-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1400 / 600;
  object-fit: cover;
  filter: saturate(.94) brightness(.84);
}

/* ---------- 分组跳转条 ---------- */

.page-faq .faq-tabs-bar {
  background: var(--c-deep-2);
  border-bottom: var(--frame) solid var(--c-line);
}

.page-faq .faq-tabs {
  display: flex;
  gap: 10px;
  padding: 16px 0;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-tab {
  flex: 0 0 auto;
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-text-dim);
  text-decoration: none;
  white-space: nowrap;
  border: 2px solid var(--c-line);
  border-radius: var(--capsule);
  transition: color .2s var(--ease-out), border-color .2s var(--ease-out), background-color .2s var(--ease-out);
}

.page-faq .faq-tab:hover,
.page-faq .faq-tab:focus-visible {
  color: var(--c-blue);
  border-color: var(--c-blue);
  background: rgba(63, 185, 255, .1);
}

.page-faq .faq-tab--cta {
  color: var(--c-orange);
  border-color: var(--c-orange);
}

.page-faq .faq-tab--cta:hover,
.page-faq .faq-tab--cta:focus-visible {
  color: var(--c-deep);
  background: var(--c-orange);
  border-color: var(--c-orange);
}

/* ---------- 问答分组 ---------- */

.page-faq .faq-group {
  scroll-margin-top: 24px;
  padding: var(--faq-pad) 0;
  border-bottom: var(--frame) solid var(--c-line);
}

.page-faq .faq-group--a { --accent: var(--c-gold); }
.page-faq .faq-group--b { --accent: var(--c-blue); }
.page-faq .faq-group--c { --accent: var(--c-violet); }
.page-faq .faq-group--d { --accent: var(--c-amber); }

.page-faq .faq-group--c {
  background: var(--c-deep-2);
}

.page-faq .faq-group__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 48px);
}

.page-faq .faq-group__head {
  padding-top: 14px;
  border-top: var(--frame) solid var(--accent, var(--c-gold));
}

.page-faq .faq-group__num {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--accent, var(--c-gold));
}

.page-faq .faq-group__name {
  margin: 0 0 10px;
  font-size: clamp(21px, 2.6vw, 30px);
  font-weight: 900;
  letter-spacing: -.022em;
  color: var(--c-paper);
}

.page-faq .faq-group__desc {
  margin: 0;
  max-width: 30ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text-dim);
}

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

.page-faq details {
  background: var(--c-deep-2);
  border: var(--frame) solid var(--c-line);
  transition: border-color .2s var(--ease-out), box-shadow .2s var(--ease-out);
}

.page-faq .faq-group--c details {
  background: var(--c-deep-3);
}

.page-faq details:hover {
  border-color: var(--accent, var(--c-gold));
}

.page-faq details[open] {
  border-color: var(--accent, var(--c-gold));
  box-shadow: var(--shadow-hard-sm);
}

.page-faq summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px 16px;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--c-paper);
  cursor: pointer;
  list-style: none;
}

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

.page-faq summary::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--accent, var(--c-gold));
}

.page-faq details[open] summary::after {
  content: "–";
}

.page-faq summary:focus-visible {
  outline: 2px solid var(--c-blue);
  outline-offset: 2px;
}

.page-faq .faq-a {
  padding: 14px 16px 18px;
  border-top: 1px solid rgba(110, 122, 114, .45);
}

.page-faq .faq-a p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.92;
  color: var(--c-text-dim);
}

/* ---------- 换设备回访 ---------- */

.page-faq .recall {
  padding: var(--faq-pad) 0;
  background: linear-gradient(180deg, var(--c-deep-2) 0%, var(--c-deep) 100%);
  border-bottom: var(--frame) solid var(--c-line);
}

.page-faq .recall__head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 3.6vw, 44px);
}

.page-faq .recall__head h2 {
  margin: 12px 0 14px;
  font-size: clamp(23px, 3.2vw, 38px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -.024em;
  color: var(--c-paper);
}

.page-faq .recall__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 42px);
}

.page-faq .recall__fig {
  margin: 0;
  background: var(--c-deep-3);
  border: var(--frame) solid var(--c-gold);
  box-shadow: var(--shadow-hard);
}

.page-faq .recall__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 7;
  object-fit: cover;
}

.page-faq .recall__cap {
  padding: 11px 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--c-text-dim);
  border-top: var(--frame) solid var(--c-gold);
}

.page-faq .steps {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-faq .steps::before {
  content: "";
  position: absolute;
  left: 33px;
  top: 52px;
  bottom: 52px;
  width: 2px;
  background: repeating-linear-gradient(180deg, var(--c-gold) 0 6px, transparent 6px 13px);
  opacity: .55;
  pointer-events: none;
}

.page-faq .step {
  position: relative;
  padding: 18px 18px 20px 70px;
  background: var(--c-deep-3);
  border: var(--frame) solid var(--c-line);
  box-shadow: var(--shadow-hard-sm);
  transition: border-color .2s var(--ease-out), transform .2s var(--ease-out);
}

.page-faq .step:hover {
  border-color: var(--c-blue);
  transform: translate(-2px, -2px);
}

.page-faq .step__idx {
  position: absolute;
  left: 16px;
  top: 17px;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: var(--c-gold);
  color: var(--c-deep);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
}

.page-faq .step__title {
  margin: 0 0 6px;
  font-size: 16.5px;
  font-weight: 800;
  letter-spacing: -.012em;
  color: var(--c-paper);
}

.page-faq .step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.88;
  color: var(--c-text-dim);
}

/* ---------- 联系客服 ---------- */

.page-faq .contact-block {
  padding: var(--faq-pad) 0 calc(var(--faq-pad) * 1.1);
  background:
    radial-gradient(85% 70% at 92% 0%, rgba(255, 122, 50, .12), transparent 62%),
    var(--c-deep);
}

.page-faq .contact-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 40px);
  padding: clamp(22px, 3.2vw, 42px);
  background: var(--c-pale);
  color: var(--c-ink);
  border: var(--frame) solid var(--c-deep-3);
  box-shadow: var(--shadow-hard);
}

.page-faq .contact-card .eyebrow {
  color: #8a6420;
}

.page-faq .contact-card__head h2 {
  margin: 10px 0 12px;
  font-size: clamp(21px, 2.6vw, 30px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.024em;
  color: var(--c-deep);
}

.page-faq .contact-card__head p {
  margin: 0;
  max-width: 40ch;
  font-size: 14.5px;
  line-height: 1.88;
  color: var(--faq-ink-soft);
}

.page-faq .contact-list {
  margin: 0;
  align-content: start;
}

.page-faq .contact-row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px dashed rgba(14, 42, 36, .32);
}

.page-faq .contact-row:first-child {
  border-top: 1px dashed rgba(14, 42, 36, .32);
}

.page-faq .contact-row dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: #6b7d75;
}

.page-faq .contact-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14.5px;
  font-weight: 700;
  color: var(--c-deep);
  overflow-wrap: anywhere;
}

.page-faq .contact-note {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

.page-faq .contact-links {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 0;
  padding-top: 16px;
  border-top: var(--frame) solid rgba(14, 42, 36, .8);
}

.page-faq .contact-links a {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: #2a4a40;
  text-decoration: none;
  border-bottom: 1px solid rgba(42, 74, 64, .45);
  transition: color .2s var(--ease-out), border-color .2s var(--ease-out);
}

.page-faq .contact-links a:hover,
.page-faq .contact-links a:focus-visible {
  color: var(--c-orange);
  border-bottom-color: var(--c-orange);
}

/* ---------- 滚动显现 ---------- */

.page-faq [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .55s var(--ease-out), transform .55s var(--ease-out);
}

.page-faq [data-revealed] {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 断点 ---------- */

@media (min-width: 900px) {
  .page-faq .faq-group__grid {
    grid-template-columns: minmax(0, 3.6fr) minmax(0, 8.4fr);
  }

  .page-faq .contact-card {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }

  .page-faq .recall__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

@media (max-width: 640px) {
  .page-faq .faq-hero h1 {
    max-width: none;
  }

  .page-faq .faq-group__desc,
  .page-faq .lede,
  .page-faq .contact-card__head p {
    max-width: none;
  }

  .page-faq .contact-row {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .page-faq .steps::before {
    display: none;
  }

  .page-faq .step {
    padding: 16px 16px 18px 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-faq .step,
  .page-faq .faq-quick a,
  .page-faq .faq-tab,
  .page-faq details {
    transition: none;
  }

  .page-faq .step:hover {
    transform: none;
  }
}