.page-faq {
  --faq-line: var(--page-line);
  --faq-line-strong: var(--page-line-strong);
  --faq-soft: var(--page-fg-soft);
  --faq-radius: 2px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 40px 0 56px;
  background:
    radial-gradient(120% 90% at 88% 6%, var(--page-glow-a), transparent 58%),
    radial-gradient(90% 70% at 4% 96%, var(--page-glow-b), transparent 60%),
    var(--page-bg);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-hero__shell {
  position: relative;
  z-index: 2;
}

.page-faq .faq-hero .breadcrumb {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--faq-soft);
  margin-bottom: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

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

.page-faq .faq-hero .breadcrumb a:hover {
  color: var(--c-amber);
  border-color: var(--c-amber);
}

.page-faq .faq-hero__title {
  margin: 12px 0 18px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 6.4vw, 52px);
  line-height: 1.1;
  letter-spacing: -.02em;
  max-width: 15em;
}

.page-faq .faq-hero__lede {
  max-width: 34em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--faq-soft);
  margin: 0 0 24px;
}

.page-faq .faq-hero__chips {
  list-style: none;
  margin: 0 0 34px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-hero__quick {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-faq .faq-jump {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  text-decoration: none;
  color: var(--page-fg);
  background: var(--chrome-bg);
  border: 1px solid var(--faq-line);
  border-radius: var(--faq-radius);
  backdrop-filter: blur(2px);
  transition: transform .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
}

.page-faq .faq-jump:hover,
.page-faq .faq-jump:focus-visible {
  transform: translateX(4px);
  border-color: var(--c-amber);
  background: rgba(224, 163, 62, .10);
}

.page-faq .faq-jump__num {
  font-size: 20px;
  color: var(--c-amber);
  line-height: 1;
}

.page-faq .faq-jump__text {
  font-size: 15px;
  line-height: 1.5;
}

.page-faq .faq-hero__cut {
  position: absolute;
  right: -6%;
  bottom: -40px;
  width: 62%;
  height: 120px;
  background: linear-gradient(100deg, var(--c-azurite), var(--c-deep));
  opacity: .22;
  transform: skewY(-6deg);
  pointer-events: none;
}

/* ---------- 分类导览 ---------- */
.page-faq .faq-cats__head {
  margin-bottom: 26px;
}

.page-faq .faq-cats__intro {
  max-width: 36em;
  margin: 14px 0 0;
  color: var(--faq-soft);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-cats__figure {
  margin: 0 0 32px;
}

.page-faq .faq-tablist {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 10px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--faq-line);
  scrollbar-width: thin;
}

.page-faq .faq-tablist .tab {
  flex: 0 0 auto;
  padding: 10px 16px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .01em;
  color: var(--faq-soft);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--faq-radius);
  cursor: pointer;
  transition: color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-tablist .tab:hover {
  color: var(--page-fg);
  border-color: var(--faq-line-strong);
}

.page-faq .faq-tablist .tab.is-active,
.page-faq .faq-tablist .tab[aria-selected="true"] {
  color: var(--c-night);
  background: var(--c-amber);
  border-color: var(--c-amber);
}

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

.page-faq .faq-panel {
  animation: faq-slide .24s var(--ease) both;
}

.page-faq .faq-panel__lead {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-soft);
  max-width: 40em;
}

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

.page-faq .faq-steps li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 14px 0;
  border-top: 1px solid var(--faq-line);
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-stepno {
  flex: 0 0 auto;
  color: var(--c-amber);
  font-size: 13px;
  padding-top: 4px;
}

@keyframes faq-slide {
  from { opacity: 0; transform: translateX(14px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ---------- 换设备同步 ---------- */
.page-faq .faq-sync {
  background: var(--page-bg);
}

.page-faq .faq-sync__shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}

.page-faq .faq-sync__intro {
  max-width: 34em;
  margin: 14px 0 8px;
  color: var(--faq-soft);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-flow {
  list-style: none;
  margin: 26px 0 0;
  padding: 0 0 0 26px;
  position: relative;
}

.page-faq .faq-flow::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--c-azurite), var(--c-cinnabar));
  opacity: .6;
}

.page-faq .faq-flow__item {
  position: relative;
  padding: 0 0 30px;
}

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

.page-faq .faq-flow__node {
  position: absolute;
  left: -26px;
  top: 6px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 1px solid var(--page-bg);
}

.page-faq .faq-flow__node--azurite { background: var(--c-azurite); }
.page-faq .faq-flow__node--amber { background: var(--c-amber); }
.page-faq .faq-flow__node--cinnabar { background: var(--c-cinnabar); }

.page-faq .faq-flow__num {
  margin: 0 0 4px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-amber);
}

.page-faq .faq-flow__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.35;
  letter-spacing: -.01em;
}

.page-faq .faq-flow__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-soft);
  max-width: 32em;
}

.page-faq .faq-sync__figure {
  margin: 0 0 18px;
}

.page-faq .faq-sync__note {
  padding: 20px 22px;
}

.page-faq .faq-sync__note-title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: .01em;
  color: var(--c-amber);
}

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

.page-faq .faq-sync__list li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--drawer-fg);
  padding-left: 14px;
  position: relative;
}

.page-faq .faq-sync__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 6px;
  height: 1px;
  background: var(--c-amber);
}

/* ---------- 找回收藏 ---------- */
.page-faq .faq-find__head {
  margin-bottom: 28px;
}

.page-faq .faq-find__intro {
  max-width: 36em;
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-find__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-faq .faq-find__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: none;
}

.page-faq .faq-find__steps li {
  position: relative;
  padding: 18px 20px 18px 22px;
  background: var(--card-bg);
  color: var(--card-fg);
  border: 1px solid var(--card-line);
  border-left: 3px solid var(--c-azurite);
  border-radius: var(--faq-radius);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .faq-find__steps li:nth-child(2) { border-left-color: var(--c-amber); }
.page-faq .faq-find__steps li:nth-child(3) { border-left-color: var(--c-cinnabar); }
.page-faq .faq-find__steps li:nth-child(4) { border-left-color: var(--c-danxia); }

.page-faq .faq-find__steps li:hover,
.page-faq .faq-find__steps li:focus-visible {
  transform: translateY(-2px);
  outline: none;
  border-color: var(--c-azurite-soft);
}

.page-faq .faq-find__steps li.is-holding {
  transform: translateY(2px);
  box-shadow: 0 0 0 6px rgba(200, 56, 43, .18), var(--shadow);
}

.page-faq .faq-find__steps li.is-held::after {
  content: "";
  position: absolute;
  right: 14px;
  top: 12px;
  width: 12px;
  height: 16px;
  background: var(--c-amber);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 76%, 0 100%);
}

.page-faq .faq-find__no {
  display: block;
  font-size: 22px;
  line-height: 1;
  color: var(--c-azurite);
  margin-bottom: 8px;
}

.page-faq .faq-find__steps h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 16px;
  line-height: 1.4;
}

.page-faq .faq-find__steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--card-fg-soft);
}

.page-faq .faq-find__side {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-faq .faq-find__demo {
  padding: 20px;
  background: var(--card-bg);
  color: var(--card-fg);
  border: 1px solid var(--card-line);
  border-radius: var(--faq-radius);
  box-shadow: var(--shadow);
}

.page-faq .faq-find__label {
  display: block;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--card-fg-soft);
  margin-bottom: 8px;
}

.page-faq .faq-find__input {
  width: 100%;
  padding: 11px 13px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--card-fg);
  background: var(--c-dune);
  border: 1px solid var(--card-line);
  border-radius: var(--faq-radius);
  outline: none;
}

.page-faq .faq-find__input:focus-visible {
  border-color: var(--c-azurite);
  box-shadow: 0 0 0 2px rgba(31, 122, 140, .3);
}

.page-faq .faq-find__results {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-faq .faq-find__results li {
  font-size: 14px;
  line-height: 1.6;
  padding: 10px 2px;
  border-top: 1px solid var(--card-line);
  color: var(--card-fg);
}

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

.page-faq .faq-find__hint {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--card-fg-soft);
}

.page-faq .faq-find__links {
  padding: 20px;
  border: 1px solid var(--c-azurite);
  border-radius: var(--faq-radius);
  background: rgba(31, 122, 140, .10);
}

.page-faq .faq-find__links-title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 15px;
}

.page-faq .faq-find__links p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--faq-soft);
}

/* ---------- 集锦进度 ---------- */
.page-faq .faq-resume__head {
  margin-bottom: 26px;
}

.page-faq .faq-resume__intro {
  max-width: 38em;
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-soft);
}

.page-faq .faq-cause {
  display: grid;
  gap: 0;
  border: 1px solid var(--faq-line);
  border-radius: var(--faq-radius);
  overflow: hidden;
}

.page-faq .faq-cause__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 18px;
  border-top: 1px solid var(--faq-line);
  font-size: 14.5px;
  line-height: 1.7;
  transition: background .2s var(--ease);
}

.page-faq .faq-cause__row:first-child {
  border-top: 0;
}

.page-faq .faq-cause__row--head {
  background: var(--chrome-bg);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--c-amber);
}

.page-faq .faq-cause__row:not(.faq-cause__row--head):hover,
.page-faq .faq-cause__row:not(.faq-cause__row--head):focus-visible {
  background: rgba(31, 122, 140, .14);
  outline: none;
}

.page-faq .faq-cause__row span:first-child {
  font-weight: 600;
}

.page-faq .faq-cause__row span:nth-child(2) {
  color: var(--faq-soft);
}

.page-faq .faq-cause__row span:nth-child(3) {
  color: var(--c-azurite-soft);
}

.page-faq .faq-resume__foot {
  margin-top: 28px;
  display: grid;
  gap: 18px;
}

.page-faq .faq-resume__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--c-amber);
  border-radius: var(--faq-radius);
  background: var(--chrome-bg);
}

.page-faq .faq-resume__stat .stat-value {
  font-size: 24px;
  color: var(--c-amber);
  line-height: 1.1;
}

.page-faq .faq-resume__stat .stat-label {
  font-size: 13px;
  color: var(--faq-soft);
  line-height: 1.6;
}

.page-faq .faq-resume__note {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--faq-soft);
  max-width: 34em;
}

/* ---------- 账号疑问 ---------- */
.page-faq .faq-ask__head {
  margin-bottom: 24px;
}

.page-faq .faq-ask__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .faq-qa {
  border: 1px solid var(--card-line);
  border-radius: var(--faq-radius);
  background: var(--card-bg);
  color: var(--card-fg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.page-faq .faq-qa summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 44px 16px 18px;
  position: relative;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 15px;
  line-height: 1.5;
}

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

.page-faq .faq-qa summary::after {
  content: "";
  position: absolute;
  right: 20px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--c-azurite);
  border-bottom: 2px solid var(--c-azurite);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .22s var(--ease);
}

.page-faq .faq-qa[open] summary::after {
  transform: translateY(-30%) rotate(-135deg);
}

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

.page-faq .faq-qa p {
  margin: 0;
  padding: 0 18px 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--card-fg-soft);
}

/* ---------- 联系客服 ---------- */
.page-faq .faq-contact {
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-contact__shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-faq .faq-contact__text p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-soft);
  max-width: 32em;
  margin: 14px 0 0;
}

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

.page-faq .faq-contact__checklist li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 14.5px;
  line-height: 1.7;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-contact__checklist .mono {
  color: var(--c-amber);
  font-size: 13px;
}

.page-faq .faq-contact__more {
  max-width: 32em;
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-contact__card {
  padding: 24px 22px;
}

.page-faq .faq-contact__card-title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 16px;
}

.page-faq .faq-contact__dl {
  margin: 0;
  display: grid;
  gap: 4px;
}

.page-faq .faq-contact__dl dt {
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--card-fg-soft);
  margin-top: 10px;
}

.page-faq .faq-contact__dl dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.65;
  word-break: break-word;
}

.page-faq .faq-contact__dl a {
  color: var(--c-azurite);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 122, 140, .4);
}

.page-faq .faq-contact__dl a:hover {
  color: var(--c-danxia);
  border-color: var(--c-danxia);
}

.page-faq .faq-contact__card-note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--card-fg-soft);
  border-top: 1px solid var(--card-line);
  padding-top: 14px;
}

.page-faq .faq-contact__record {
  margin: 12px 0 0;
  font-size: 12.5px;
  color: var(--card-fg-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 56px 0 72px;
  }

  .page-faq .faq-hero__quick {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .page-faq .faq-cause__row {
    grid-template-columns: 1fr 1.3fr 1.5fr;
    gap: 18px;
    align-items: baseline;
  }

  .page-faq .faq-resume__foot {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: stretch;
  }

  .page-faq .faq-resume__note,
  .page-faq .faq-resume__foot .btn {
    grid-column: 1 / -1;
  }

  .page-faq .faq-ask__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero__shell {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    grid-template-areas:
      "crumb crumb"
      "title quick"
      "lede quick"
      "chips quick";
    column-gap: 48px;
    align-items: start;
  }

  .page-faq .faq-hero .breadcrumb { grid-area: crumb; }
  .page-faq .faq-hero__title { grid-area: title; margin-top: 0; }
  .page-faq .faq-hero__lede { grid-area: lede; }
  .page-faq .faq-hero__chips { grid-area: chips; margin-bottom: 0; }

  .page-faq .faq-hero__quick {
    grid-area: quick;
    grid-template-columns: 1fr;
    align-content: start;
  }

  .page-faq .faq-sync__shell {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 46px;
    align-items: start;
  }

  .page-faq .faq-find__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-contact__shell {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-resume__foot {
    grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(0, 2fr);
    align-items: center;
  }

  .page-faq .faq-resume__note,
  .page-faq .faq-resume__foot .btn {
    grid-column: auto;
  }

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

  .page-faq .faq-ask__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-panel { animation: none; }
  .page-faq .faq-jump,
  .page-faq .faq-find__steps li,
  .page-faq .faq-qa summary::after { transition: none; }
}