.page-faq {
  --faq-rail: 200px;
  --faq-figure: 280px;
  --faq-sticky: 110px;
  background: var(--snow);
  color: var(--ink);
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-faq .faq-crumbs a {
  color: var(--sky);
  text-decoration: none;
  font-weight: 700;
}

.page-faq .faq-crumbs a:hover {
  text-decoration: underline;
}

.page-faq .faq-crumbs li:not(:last-child)::after {
  content: "/";
  margin-left: 8px;
  color: rgba(10, 46, 92, 0.28);
}

.page-faq .faq-crumbs li[aria-current="page"] {
  color: var(--deep);
  font-weight: 700;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 28px 0 64px;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(240, 166, 43, 0.13), transparent 58%),
    radial-gradient(90% 70% at 6% 0%, rgba(14, 107, 214, 0.11), transparent 62%),
    linear-gradient(180deg, var(--pale) 0%, rgba(231, 241, 254, 0.42) 58%, var(--snow) 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 84px;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, rgba(14, 107, 214, 0.16) 0 2px, transparent 2px 14px);
  opacity: 0.55;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 32px;
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 20px;
  font-size: clamp(2.05rem, 5.6vw, 3.6rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--deep);
}

.page-faq .faq-hero .lede {
  max-width: 46ch;
  color: var(--ink);
  line-height: 1.8;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .faq-hero__panel {
  position: relative;
  padding: 26px 24px;
  border-radius: var(--radius-card);
  background: var(--deep);
  color: var(--snow);
  box-shadow: var(--shadow-lift);
  overflow: hidden;
}

.page-faq .faq-hero__panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 62px;
  height: 4px;
  background: var(--gold);
  border-radius: 0 0 4px 0;
}

.page-faq .faq-hero__panel-title {
  margin: 0 0 20px;
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--gold);
}

.page-faq .faq-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-facts__num {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.05;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-facts__label {
  display: block;
  margin-top: 6px;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.74);
}

.page-faq .faq-hero__panel-note {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.78);
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-index__head {
  display: grid;
  gap: 16px;
  margin-bottom: 26px;
}

.page-faq .faq-index__head h2 {
  margin: 10px 0 0;
  font-size: clamp(1.6rem, 3.4vw, 2.25rem);
  line-height: 1.25;
  color: var(--deep);
  font-weight: 800;
}

.page-faq .faq-index__note {
  margin: 0;
  color: var(--mist);
  line-height: 1.8;
}

.page-faq .faq-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.page-faq .faq-filter {
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-sky);
  background: var(--snow);
  color: var(--deep);
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 180ms var(--ease-hover), color 180ms var(--ease-hover), border-color 180ms var(--ease-hover);
}

.page-faq .faq-filter:hover {
  border-color: var(--gold);
  background: var(--sand);
}

.page-faq .faq-filter[aria-pressed="true"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--deep);
}

.page-faq .faq-index__grid {
  display: grid;
  gap: 28px;
}

.page-faq .faq-index__list {
  display: grid;
  gap: 16px;
}

.page-faq .faq-cat {
  padding: 22px 20px;
  border: 1px solid var(--line-sky);
  border-radius: var(--radius-card);
  background: var(--snow);
  box-shadow: var(--shadow-card);
  transition: transform 180ms var(--ease-hover), box-shadow 180ms var(--ease-hover), border-color 180ms var(--ease-hover);
}

.page-faq .faq-cat:hover {
  transform: translateY(-4px);
  border-color: rgba(240, 166, 43, 0.5);
  box-shadow: var(--shadow-lift);
}

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

.page-faq .faq-cat__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 10px;
}

.page-faq .faq-cat__title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--deep);
}

.page-faq .faq-cat__count {
  margin-left: auto;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--sky);
  background: var(--pale);
  border-radius: var(--radius-pill);
  padding: 4px 12px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.page-faq .faq-cat__desc {
  margin: 0 0 14px;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-cat__links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  border-top: 1px solid var(--line-sky);
  padding-top: 14px;
}

.page-faq .faq-cat__links a {
  display: inline-block;
  color: var(--deep);
  font-size: 0.9375rem;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 180ms var(--ease-hover), border-color 180ms var(--ease-hover);
}

.page-faq .faq-cat__links a:hover {
  color: var(--sky);
  border-bottom-color: var(--gold);
}

.page-faq .faq-index__figure {
  margin: 0;
}

.page-faq .faq-index__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-media);
  box-shadow: var(--shadow-card);
  object-fit: cover;
}

.page-faq .faq-index__figure figcaption {
  margin-top: 12px;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 五步登录 ---------- */
.page-faq .faq-steps {
  background: linear-gradient(180deg, rgba(231, 241, 254, 0.75) 0%, var(--snow) 100%);
}

.page-faq .faq-steps__head {
  max-width: 60ch;
  margin-bottom: 34px;
}

.page-faq .faq-steps__head h2 {
  margin: 10px 0 14px;
  font-size: clamp(1.6rem, 3.4vw, 2.25rem);
  line-height: 1.25;
  color: var(--deep);
  font-weight: 800;
}

.page-faq .faq-steps__lede {
  margin: 0;
  color: var(--mist);
  line-height: 1.8;
}

.page-faq .faq-steps__layout {
  display: grid;
  gap: 28px;
}

.page-faq .faq-steps__rail ol {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-dot {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px 6px 6px;
  border-radius: var(--radius-pill);
  background: var(--snow);
  border: 1px solid var(--line-sky);
  color: var(--mist);
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: background 180ms var(--ease-hover), color 180ms var(--ease-hover), border-color 180ms var(--ease-hover);
}

.page-faq .faq-dot__num {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  border-radius: 50%;
  background: var(--sand);
  color: var(--deep);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  transition: background 180ms var(--ease-hover), color 180ms var(--ease-hover), transform 180ms var(--ease-hover);
}

.page-faq .faq-dot:hover,
.page-faq .faq-dot:focus-visible {
  border-color: var(--gold);
  color: var(--deep);
}

.page-faq .faq-dot:hover .faq-dot__num,
.page-faq .faq-dot.is-active .faq-dot__num {
  background: var(--gold);
  color: var(--snow);
  transform: scale(1.1);
}

.page-faq .faq-steps__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-faq .faq-step {
  padding: 22px 20px 20px;
  border: 1px solid var(--line-sky);
  border-radius: var(--radius-card);
  background: var(--snow);
  box-shadow: var(--shadow-card);
  scroll-margin-top: var(--faq-sticky);
  transition: border-color 180ms var(--ease-hover), box-shadow 180ms var(--ease-hover);
}

.page-faq .faq-step:hover {
  box-shadow: var(--shadow-lift);
}

.page-faq .faq-step:target {
  border-color: var(--gold);
  box-shadow: var(--shadow-lift);
}

.page-faq .faq-step__head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.page-faq .faq-step__num {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--snow);
  font-size: 1rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-step__head h3 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--deep);
}

.page-faq .faq-step__time {
  margin-left: auto;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: var(--pale);
  color: var(--sky);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.page-faq .faq-step p {
  margin: 0 0 10px;
  line-height: 1.8;
  color: var(--ink);
}

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

.page-faq .faq-step__trap {
  margin-top: 14px !important;
  padding: 10px 14px;
  border-left: 3px solid var(--saffron);
  border-radius: 0 var(--radius-input) var(--radius-input) 0;
  background: var(--sand);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--deep);
}

.page-faq .faq-steps__figure {
  margin: 0;
}

.page-faq .faq-steps__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-media);
  box-shadow: var(--shadow-card);
  object-fit: cover;
}

.page-faq .faq-steps__figure figcaption {
  margin-top: 10px;
  font-size: 0.8125rem;
  color: var(--mist);
  text-align: center;
}

/* ---------- 导出 ---------- */
.page-faq .faq-export__grid {
  display: grid;
  gap: 30px;
}

.page-faq .faq-export__main h2 {
  margin: 10px 0 16px;
  font-size: clamp(1.6rem, 3.4vw, 2.25rem);
  line-height: 1.25;
  color: var(--deep);
  font-weight: 800;
}

.page-faq .faq-export__main > p {
  margin: 0 0 20px;
  line-height: 1.8;
  color: var(--ink);
  max-width: 58ch;
}

.page-faq .faq-export__main .btn {
  margin-top: 26px;
}

.page-faq .faq-prepare {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .faq-prepare li {
  position: relative;
  padding-left: 28px;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .faq-prepare li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 12px;
  height: 12px;
  border-radius: 4px;
  border: 2px solid var(--gold);
}

.page-faq .faq-prepare--export li::before {
  border-color: var(--sky);
  border-radius: 50%;
}

.page-faq .faq-keep {
  padding: 26px 22px;
  border-radius: var(--radius-card);
  background: var(--pale);
  border: 1px solid var(--line-sky);
}

.page-faq .faq-keep__title {
  margin: 0 0 18px;
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--sky);
}

.page-faq .faq-keep__list {
  margin: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-keep__list > div {
  display: grid;
  gap: 4px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(14, 107, 214, 0.14);
}

.page-faq .faq-keep__list > div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-keep__list dt {
  font-size: 0.8125rem;
  color: var(--mist);
  letter-spacing: 0.04em;
}

.page-faq .faq-keep__list dd {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--deep);
  font-variant-numeric: tabular-nums;
}

/* ---------- 大屏端 ---------- */
.page-faq .faq-screen {
  position: relative;
  overflow: hidden;
  background: var(--deep);
  color: var(--snow);
}

.page-faq .faq-screen::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.055) 0 1px, transparent 1px 28px);
}

.page-faq .faq-screen .shell {
  position: relative;
  z-index: 1;
}

.page-faq .faq-screen__head {
  max-width: 58ch;
  margin-bottom: 32px;
}

.page-faq .faq-screen__head .eyebrow {
  color: var(--gold);
}

.page-faq .faq-screen__head h2 {
  margin: 10px 0 14px;
  font-size: clamp(1.6rem, 3.4vw, 2.25rem);
  line-height: 1.25;
  font-weight: 800;
  color: var(--snow);
}

.page-faq .faq-screen__lede {
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.8;
}

.page-faq .faq-screen__grid {
  gap: 18px;
}

.page-faq .faq-screen-card {
  padding: 24px 22px;
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  transition: background 180ms var(--ease-hover), transform 180ms var(--ease-hover);
}

.page-faq .faq-screen-card:hover {
  background: rgba(255, 255, 255, 0.11);
  transform: translateY(-4px);
}

.page-faq .faq-screen-card__idx {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  font-weight: 800;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-screen-card h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--snow);
}

.page-faq .faq-screen-card p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.78);
}

.page-faq .faq-screen__foot {
  margin: 28px 0 0;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.78);
}

/* ---------- 账号安全 ---------- */
.page-faq .faq-security__head {
  max-width: 56ch;
  margin-bottom: 30px;
}

.page-faq .faq-security__head h2 {
  margin: 10px 0 0;
  font-size: clamp(1.6rem, 3.4vw, 2.25rem);
  line-height: 1.25;
  font-weight: 800;
  color: var(--deep);
}

.page-faq .faq-fold-group {
  display: grid;
  gap: 14px;
}

.page-faq .faq-fold {
  border: 1px solid var(--line-sky);
  border-radius: var(--radius-card);
  background: var(--snow);
  overflow: hidden;
  transition: box-shadow 180ms var(--ease-hover), border-color 180ms var(--ease-hover);
}

.page-faq .faq-fold:hover {
  box-shadow: var(--shadow-card);
}

.page-faq .faq-fold[open] {
  border-color: rgba(240, 166, 43, 0.45);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-fold summary {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 24px 20px 28px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--deep);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-fold summary::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 2px;
  background: var(--line-sky);
  transition: width 180ms var(--ease-hover), background 180ms var(--ease-hover);
}

.page-faq .faq-fold[open] summary::before {
  width: 3px;
  background: var(--gold);
}

.page-faq .faq-fold summary::after {
  content: "+";
  margin-left: auto;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--sky);
  transition: transform 180ms var(--ease-hover);
}

.page-faq .faq-fold[open] summary::after {
  transform: rotate(45deg);
}

.page-faq .faq-fold__body {
  padding: 0 24px 22px 28px;
}

.page-faq .faq-fold__body p {
  margin: 0;
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 还没解决 ---------- */
.page-faq .faq-stuck__inner {
  display: grid;
  gap: 30px;
}

.page-faq .faq-stuck__inner h2 {
  margin: 10px 0 14px;
  font-size: clamp(1.6rem, 3.4vw, 2.25rem);
  line-height: 1.25;
  font-weight: 800;
  color: var(--deep);
}

.page-faq .faq-stuck__lede {
  margin: 0;
  color: var(--mist);
  line-height: 1.8;
  max-width: 54ch;
}

.page-faq .faq-stuck__card {
  padding: 26px 24px;
  border-radius: var(--radius-card);
  background: var(--sand);
  border: 1px solid rgba(240, 166, 43, 0.35);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-stuck__card-title {
  margin: 0 0 12px;
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: #9a6410;
}

.page-faq .faq-stuck__card p {
  margin: 0 0 20px;
  line-height: 1.8;
  color: var(--deep);
}

.page-faq .faq-stuck__card .btn {
  width: 100%;
  justify-content: center;
}

/* ---------- 滚动显现 ---------- */
.page-faq [data-reveal] {
  opacity: 1;
}

.page-faq [data-reveal="shown"] {
  animation: faq-rise 420ms var(--ease-out) both;
}

@keyframes faq-rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 响应式 ---------- */
@media (min-width: 641px) {
  .page-faq .faq-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-stuck__card .btn {
    width: auto;
  }
}

@media (min-width: 901px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 28px;
    align-items: end;
  }

  .page-faq .faq-index__head {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: end;
    gap: 28px;
  }

  .page-faq .faq-export__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 28px;
    align-items: start;
  }

  .page-faq .faq-stuck__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 28px;
    align-items: start;
  }
}

@media (min-width: 1025px) {
  .page-faq .faq-index__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 28px;
    align-items: start;
  }

  .page-faq .faq-index__list {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .page-faq .faq-steps__layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr) var(--faq-figure);
    gap: 32px;
    align-items: start;
  }

  .page-faq .faq-steps__rail {
    position: sticky;
    top: var(--faq-sticky);
  }

  .page-faq .faq-steps__rail ol {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-dot {
    width: 100%;
    padding: 8px 14px 8px 8px;
    border: 0;
    background: transparent;
    border-radius: var(--radius-pill);
  }

  .page-faq .faq-dot + .faq-dot {
    margin-top: 4px;
  }

  .page-faq .faq-steps__rail ol li:not(:last-child) .faq-dot {
    position: relative;
  }

  .page-faq .faq-steps__rail ol li:not(:last-child) .faq-dot::after {
    content: "";
    position: absolute;
    left: 23px;
    top: 44px;
    bottom: -4px;
    width: 2px;
    background: var(--line-sky);
  }

  .page-faq .faq-steps__figure {
    position: sticky;
    top: var(--faq-sticky);
  }

  .page-faq .faq-steps__figure figcaption {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq [data-reveal="shown"] {
    animation: none;
  }

  .page-faq .faq-cat,
  .page-faq .faq-screen-card,
  .page-faq .faq-dot__num,
  .page-faq .faq-fold summary::after {
    transition: none;
  }

  .page-faq .faq-cat:hover,
  .page-faq .faq-screen-card:hover {
    transform: none;
  }

  .page-faq .faq-dot:hover .faq-dot__num,
  .page-faq .faq-dot.is-active .faq-dot__num {
    transform: none;
  }
}