.page-faq {
  --faq-ink: #1B1F27;
  --faq-muted: #5B6370;
  --faq-line: rgba(27, 31, 39, 0.13);
  --faq-card: #FFFDF7;
  --faq-gold-soft: rgba(232, 178, 58, 0.18);
  --faq-accent: var(--gold);
  background: var(--paper);
  color: var(--faq-ink);
}

/* ---------- 顶部 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 48px) 0 clamp(34px, 6vw, 64px);
  background:
    radial-gradient(120% 105% at 88% 0%, rgba(232, 178, 58, 0.26), rgba(232, 178, 58, 0) 62%),
    linear-gradient(180deg, #FBF8F1 0%, var(--paper) 100%);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--green) 40%, var(--blue) 74%, rgba(62, 123, 250, 0) 100%);
  opacity: 0.6;
}

.page-faq .faq-crumbs {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-faq .faq-crumbs .breadcrumbs__link {
  color: var(--faq-muted);
  text-decoration: none;
}

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

.page-faq .faq-crumbs .breadcrumbs__current {
  color: var(--faq-ink);
  font-weight: 600;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(26px, 4.5vw, 48px);
  align-items: center;
}

.page-faq .faq-hero__intro .eyebrow {
  display: inline-block;
  margin: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold-deep);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 6vw, 52px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--faq-ink);
}

.page-faq .faq-hero .lede {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 2.4vw, 18px);
  line-height: 1.85;
  color: var(--faq-muted);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin: 26px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px dashed var(--faq-line);
}

.page-faq .faq-hero__stat {
  display: grid;
  gap: 4px;
}

.page-faq .faq-hero__num {
  font-family: var(--font-data);
  font-size: 22px;
  font-weight: 700;
  color: var(--gold-deep);
  letter-spacing: 0.02em;
}

.page-faq .faq-hero__label {
  font-size: 13px;
  color: var(--faq-muted);
}

.page-faq .faq-hero__media {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--faq-line);
  background: var(--faq-card);
  box-shadow: 0 24px 50px rgba(27, 31, 39, 0.15);
}

.page-faq .media-frame {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--faq-line);
  background: var(--faq-card);
}

.page-faq .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .media-frame__caption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--faq-muted);
  border-top: 1px solid var(--faq-line);
  background: rgba(244, 239, 229, 0.55);
}

/* ---------- 主体 ---------- */

.page-faq .faq-main {
  padding: clamp(36px, 6vw, 72px) 0 clamp(40px, 7vw, 88px);
}

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

.page-faq .faq-index {
  padding: 18px 18px 20px;
  background: var(--faq-card);
  border: 1px solid var(--faq-line);
  border-radius: var(--r-md);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--faq-muted);
}

.page-faq .faq-index .toc__list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index .toc__link {
  display: block;
  padding: 9px 11px;
  border-radius: var(--r-sm);
  border-left: 3px solid transparent;
  font-size: 15px;
  line-height: 1.45;
  color: var(--faq-ink);
  text-decoration: none;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-index .toc__link:hover,
.page-faq .faq-index .toc__link:focus-visible {
  background: var(--faq-gold-soft);
  border-left-color: var(--gold);
  color: var(--gold-deep);
}

.page-faq .faq-index__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--faq-line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--faq-muted);
}

.page-faq .faq-groups {
  min-width: 0;
}

.page-faq .faq-group {
  --faq-accent: var(--gold);
  scroll-margin-top: calc(var(--header-offset) + 16px);
}

.page-faq .faq-group--fees { --faq-accent: var(--gold); }
.page-faq .faq-group--price { --faq-accent: var(--green); }
.page-faq .faq-group--use { --faq-accent: var(--blue); }
.page-faq .faq-group--update { --faq-accent: var(--orange); }
.page-faq .faq-group--help { --faq-accent: var(--gold-deep); }

.page-faq .faq-group + .faq-group {
  margin-top: clamp(36px, 5.5vw, 60px);
}

.page-faq .faq-group__head {
  padding-bottom: 14px;
  border-bottom: 2px solid var(--faq-accent);
}

.page-faq .faq-group__eyebrow {
  display: block;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--faq-accent);
}

.page-faq .faq-group__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.6vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--faq-ink);
}

.page-faq .faq-group__desc {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--faq-muted);
}

.page-faq .qa-list {
  display: grid;
}

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

.page-faq .qa__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 18px 6px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 2.3vw, 17px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--faq-ink);
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .qa__q::-webkit-details-marker { display: none; }
.page-faq .qa__q::marker { content: ""; }

.page-faq .qa__q:hover {
  background: rgba(232, 178, 58, 0.08);
}

.page-faq .qa__q::after {
  content: "+";
  font-family: var(--font-data);
  font-size: 18px;
  line-height: 1.3;
  color: var(--faq-muted);
  transition: color 0.2s var(--ease);
}

.page-faq .qa__q:hover::after,
.page-faq .qa[open] > .qa__q::after {
  color: var(--faq-accent);
}

.page-faq .qa[open] > .qa__q::after {
  content: "–";
}

.page-faq .qa[open] > .qa__q {
  color: var(--gold-deep);
}

.page-faq .qa__num {
  padding-top: 4px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--faq-accent);
}

.page-faq .qa__a {
  padding: 0 6px 22px 38px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-muted);
  animation: faq-open 0.28s var(--ease) both;
}

.page-faq .qa__a > * { margin: 0; }
.page-faq .qa__a > * + * { margin-top: 10px; }

.page-faq .qa__lead {
  padding-left: 12px;
  border-left: 3px solid var(--faq-accent);
  font-weight: 700;
  line-height: 1.75;
  color: var(--faq-ink);
}

.page-faq .qa__link {
  color: var(--blue);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.page-faq .faq-support__media {
  margin-top: clamp(26px, 4vw, 40px);
}

@keyframes faq-open {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 结尾 ---------- */

.page-faq .faq-outro {
  padding: 0 0 clamp(48px, 7vw, 88px);
}

.page-faq .faq-outro__panel {
  display: grid;
  gap: 24px;
  padding: clamp(26px, 4.4vw, 48px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 140% at 88% 8%, rgba(62, 123, 250, 0.3), rgba(62, 123, 250, 0) 62%),
    radial-gradient(100% 120% at 4% 100%, rgba(232, 178, 58, 0.2), rgba(232, 178, 58, 0) 60%),
    var(--ink-layer);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-outro__eyebrow {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold-glow);
}

.page-faq .faq-outro__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.8vw, 34px);
  line-height: 1.24;
  color: var(--text-dark);
}

.page-faq .faq-outro__text {
  margin: 12px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 247, 250, 0.74);
}

.page-faq .faq-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-faq .faq-hero__stats {
    gap: 14px 40px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
}

@media (min-width: 1020px) {
  .page-faq .faq-layout {
    grid-template-columns: 246px minmax(0, 1fr);
    gap: clamp(36px, 5vw, 68px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-offset) + 12px);
  }

  .page-faq .faq-outro__panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 40px;
  }
}

@media (max-width: 419px) {
  .page-faq .qa__a {
    padding-left: 6px;
  }

  .page-faq .faq-hero__stats {
    gap: 12px 20px;
  }

  .page-faq .faq-hero__num {
    font-size: 19px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__a {
    animation: none;
  }

  .page-faq .qa__q,
  .page-faq .qa__q::after,
  .page-faq .faq-index .toc__link {
    transition: none;
  }
}