.page-faq {
  --faq-radius: 14px;
  background: var(--paper);
  color: var(--ink-900);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(20px, 5vw, 44px) 0 clamp(36px, 6vw, 68px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 14%, rgba(255, 90, 31, .16), transparent 46%),
    radial-gradient(circle at 8% 86%, rgba(47, 211, 165, .14), transparent 44%);
  pointer-events: none;
}

.page-faq .faq-hero-inner {
  position: relative;
  display: grid;
  gap: 34px;
  align-items: center;
}

.page-faq .breadcrumb {
  margin-bottom: 18px;
}

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--neutral);
}

.page-faq .breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-faq .breadcrumb-link {
  color: var(--ink-700);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .breadcrumb-link:hover {
  color: var(--orange-dark);
  border-bottom-color: var(--orange);
}

.page-faq .breadcrumb-sep {
  color: var(--line-strong);
}

.page-faq .breadcrumb-current {
  color: var(--ink-900);
  font-weight: 700;
}

.page-faq .faq-eyebrow {
  display: inline-block;
  margin: 0 0 16px;
  padding: 6px 13px;
  border-radius: 999px;
  background: var(--coral);
  color: var(--orange-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
}

.page-faq .faq-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.6vw, 56px);
  line-height: 1.14;
  letter-spacing: -.02em;
  max-width: 17em;
}

.page-faq .faq-lead {
  margin: 0 0 24px;
  max-width: 36em;
  color: var(--ink-700);
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.78;
}

.page-faq .faq-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-quick a {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: #fff;
  color: var(--ink-900);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: border-color .2s var(--ease), transform .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-quick a:hover {
  border-color: var(--orange);
  color: var(--orange-dark);
  transform: translateY(-2px);
}

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

.page-faq .faq-hero-figure {
  position: relative;
  margin: 0;
}

.page-faq .faq-hero-figure::before {
  content: "";
  position: absolute;
  inset: 20px -8px -16px 20px;
  border-radius: 20px;
  background: var(--yellow);
  opacity: .92;
}

.page-faq .faq-hero-figure .media {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--paper-deep);
  max-width: 100%;
}

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

.page-faq .faq-hero-badge {
  position: absolute;
  left: 10px;
  bottom: 14px;
  z-index: 2;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
}

/* ---------- 区块通用 ---------- */
.page-faq .faq-section {
  position: relative;
  padding: clamp(42px, 7vw, 78px) 0;
}

.page-faq .faq-sec-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .faq-sec-num {
  flex: 0 0 auto;
  margin-top: 5px;
  padding: 6px 10px;
  border-radius: 7px;
  background: var(--yellow);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .06em;
}

.page-faq .faq-sec-heading {
  min-width: 0;
}

.page-faq .faq-sec-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.6vw, 40px);
  line-height: 1.18;
  letter-spacing: -.01em;
}

.page-faq .faq-sec-desc {
  margin: 10px 0 0;
  max-width: 42em;
  color: var(--ink-700);
  font-size: 16px;
  line-height: 1.78;
}

/* ---------- 分组标签 ---------- */
.page-faq .faq-tabs {
  display: flex;
  gap: 10px;
  margin: 0 -4px;
  padding: 4px 4px 12px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: #fff;
  color: var(--ink-900);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

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

.page-faq .tab[aria-selected="true"] {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
}

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

.page-faq .tab-count {
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--coral);
  color: var(--orange-dark);
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-faq .tab[aria-selected="true"] .tab-count {
  background: rgba(255, 255, 255, .26);
  color: #fff;
}

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

.page-faq .tabpanel[hidden] {
  display: none;
}

.page-faq .tabpanel:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 6px;
}

.page-faq .panel-lead {
  margin: 0 0 16px;
  color: var(--ink-700);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  margin-bottom: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(255, 90, 31, .55);
}

.page-faq .faq-item[open] {
  border-color: var(--orange);
  box-shadow: 0 12px 26px rgba(20, 22, 26, .07);
}

.page-faq .fold-title {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 0;
  padding: 16px 18px;
  list-style: none;
  cursor: pointer;
  color: var(--ink-900);
  font-family: var(--font-body);
  font-size: 15.5px;
  font-weight: 800;
  line-height: 1.55;
}

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

.page-faq .fold-title::after {
  content: "";
  flex: 0 0 auto;
  margin-left: auto;
  margin-top: 7px;
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 8px solid var(--mint);
  transition: transform .24s var(--ease);
}

.page-faq .faq-item[open] > .fold-title::after {
  transform: rotate(180deg);
}

.page-faq .fold-title:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
  border-radius: 12px;
}

.page-faq .fold-body {
  padding: 0 18px 18px;
  color: var(--ink-700);
  font-size: 15px;
  line-height: 1.78;
}

.page-faq .fold-body p {
  margin: 0 0 9px;
}

.page-faq .fold-body p:last-child {
  margin-bottom: 0;
}

.page-faq .fold-body ol {
  margin: 0 0 9px;
  padding-left: 20px;
}

.page-faq .fold-body li {
  margin-bottom: 6px;
}

/* ---------- 换设备专题 ---------- */
.page-faq .faq-dark {
  background: var(--blue);
  color: var(--paper);
}

.page-faq .faq-dark .faq-sec-title {
  color: #fff;
}

.page-faq .faq-dark .faq-sec-desc {
  color: rgba(255, 249, 240, .78);
}

.page-faq .swap-grid {
  display: grid;
  gap: 30px;
}

.page-faq .step-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.page-faq .step-item {
  position: relative;
  padding: 0 0 28px 56px;
  counter-increment: step;
}

.page-faq .step-item::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--yellow);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.page-faq .step-item::after {
  content: "";
  position: absolute;
  left: 18px;
  top: 44px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--yellow), var(--mint));
}

.page-faq .step-item:last-child {
  padding-bottom: 0;
}

.page-faq .step-item:last-child::after {
  display: none;
}

.page-faq .step-title {
  margin: 6px 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  color: #fff;
}

.page-faq .step-text {
  margin: 0;
  color: rgba(255, 249, 240, .78);
  font-size: 15px;
  line-height: 1.78;
}

.page-faq .swap-pitfalls {
  margin-top: 26px;
  padding: 18px 20px;
  border: 1px solid rgba(255, 249, 240, .2);
  border-radius: 14px;
  background: rgba(255, 249, 240, .07);
}

.page-faq .swap-pitfalls h3 {
  margin: 0 0 10px;
  color: var(--mint);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
}

.page-faq .swap-pitfalls ul {
  margin: 0;
  padding-left: 18px;
  color: rgba(255, 249, 240, .78);
  font-size: 14.5px;
  line-height: 1.82;
}

.page-faq .swap-pitfalls li {
  margin-bottom: 6px;
}

.page-faq .swap-figure {
  margin: 0;
  border: 1px solid rgba(255, 249, 240, .2);
  border-radius: 16px;
  overflow: hidden;
  background: var(--blue-soft);
}

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

/* ---------- 规则阅读顺序 ---------- */
.page-faq .rule-flow {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: rule;
}

.page-faq .rule-step {
  position: relative;
  padding: 18px 20px 18px 62px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--orange);
  border-radius: 12px;
  background: #fff;
  counter-increment: rule;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}

.page-faq .rule-step:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(20, 22, 26, .07);
}

.page-faq .rule-step::before {
  content: counter(rule);
  position: absolute;
  left: 18px;
  top: 18px;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--coral);
  color: var(--orange-dark);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.page-faq .rule-step h3 {
  margin: 0 0 6px;
  font-size: 16.5px;
  font-weight: 800;
  line-height: 1.5;
}

.page-faq .rule-step p {
  margin: 0;
  color: var(--ink-700);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 还没解决 ---------- */
.page-faq .faq-help {
  padding: clamp(46px, 7vw, 82px) 0;
  background: linear-gradient(160deg, var(--paper-deep), var(--paper) 70%);
}

.page-faq .faq-help-inner {
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-faq .help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-faq .faq-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 20px 44px rgba(11, 42, 74, .13);
}

.page-faq .help-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line-strong);
}

.page-faq .help-row:first-child {
  padding-top: 0;
}

.page-faq .help-label {
  color: var(--neutral);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
}

.page-faq .help-link {
  color: var(--ink-900);
  font-size: 17px;
  font-weight: 800;
  text-decoration: none;
  word-break: break-all;
  transition: color .2s var(--ease);
}

.page-faq .help-link:hover {
  color: var(--orange-dark);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

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

.page-faq .help-note {
  margin: 14px 0 0;
  color: var(--neutral);
  font-size: 13px;
  line-height: 1.75;
}

/* ---------- 适配 ---------- */
@media (min-width: 700px) {
  .page-faq .rule-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 48px;
  }

  .page-faq .swap-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
    gap: 44px;
  }

  .page-faq .faq-help-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
    gap: 48px;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-hero-figure .media {
    max-width: 460px;
    margin-left: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick a,
  .page-faq .fold-title::after,
  .page-faq .rule-step,
  .page-faq .breadcrumb-link {
    transition: none;
  }

  .page-faq .faq-quick a:hover,
  .page-faq .rule-step:hover {
    transform: none;
  }
}