.page-faq {
  --faq-line: rgba(232, 197, 107, 0.22);
  --faq-body: rgba(242, 233, 218, 0.8);
  --faq-dot: #39415a;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-sans);
  overflow-x: clip;
  padding-bottom: 104px;
}

.page-faq .breadcrumb {
  margin: 0 0 28px;
  font-size: 13px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--bar-h) + 34px) 0 66px;
  background:
    radial-gradient(120% 95% at 88% -10%, rgba(45, 107, 255, 0.22), transparent 62%),
    radial-gradient(90% 70% at 6% 110%, rgba(228, 87, 46, 0.14), transparent 66%),
    linear-gradient(180deg, var(--ink) 0%, var(--zone) 66%, var(--ink) 100%);
  border-bottom: 1px solid var(--line-gold);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -8%;
  right: 46%;
  bottom: 22px;
  height: 3px;
  background: linear-gradient(90deg, var(--flame), rgba(228, 87, 46, 0));
  transform: skewY(-1.6deg);
  pointer-events: none;
}

.page-faq .faq-hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  align-items: center;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(34px, 6.4vw, 72px);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 0.98;
  color: var(--cream);
}

.page-faq .faq-hero .lede {
  margin: 20px 0 0;
  max-width: 60ch;
  color: var(--faq-body);
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-faq .faq-hero-stats {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  margin: 34px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 118px;
}

.page-faq .faq-hero-stats .stat-value {
  font-size: 24px;
  line-height: 1.1;
  color: var(--flame);
}

.page-faq .faq-hero-stats .stat-label {
  font-size: 13px;
  color: var(--slate);
  letter-spacing: 0.04em;
}

.page-faq .faq-hero-visual {
  position: relative;
  margin: 0;
  padding: 10px;
  background: var(--panel);
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-cut);
  box-shadow: var(--shadow-panel);
  transform: rotate(-1.2deg);
}

.page-faq .faq-hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-cut);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 38px;
  padding: 58px 0 24px;
}

/* ---------- 左侧索引 ---------- */
.page-faq .faq-index-title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--faq-line);
}

.page-faq .faq-index-link {
  position: relative;
  display: block;
  padding: 9px 0 9px 20px;
  font-size: 14px;
  line-height: 1.45;
  color: var(--slate);
  text-decoration: none;
  transition: color 180ms var(--ease);
}

.page-faq .faq-index-link::before {
  content: "";
  position: absolute;
  left: -4.5px;
  top: 50%;
  width: 8px;
  height: 8px;
  transform: translateY(-50%);
  border-radius: 50%;
  background: var(--faq-dot);
  border: 1px solid var(--faq-line);
  transition: background 180ms var(--ease);
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  color: var(--cream);
}

.page-faq .faq-index-link:hover::before,
.page-faq .faq-index-link:focus-visible::before {
  background: var(--blue);
}

.page-faq .faq-index-num {
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}

/* ---------- 问答组 ---------- */
.page-faq .faq-groups {
  min-width: 0;
}

.page-faq .faq-group {
  padding-bottom: 44px;
  scroll-margin-top: calc(var(--bar-h) + 26px);
}

.page-faq .faq-group + .faq-group {
  padding-top: 46px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-group-head {
  margin-bottom: 20px;
}

.page-faq .faq-group-title {
  margin: 10px 0 0;
  font-size: clamp(28px, 4.4vw, 46px);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1.02;
  color: var(--cream);
  transition: color 220ms var(--ease);
}

.page-faq .faq-group:target .faq-group-title {
  color: var(--gold);
}

.page-faq .faq-group:target {
  border-top-color: var(--flame);
}

.page-faq .faq-conclusion {
  position: relative;
  margin: 0 0 26px;
  padding: 18px 22px 18px 24px;
  background: var(--cream);
  color: #24190f;
  font-size: 16px;
  line-height: 1.72;
  border-left: 5px solid var(--flame);
  border-radius: var(--radius-cut);
  box-shadow: 0 16px 34px -26px rgba(0, 0, 0, 0.95);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .qa > summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 2px;
  list-style: none;
  cursor: pointer;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--cream);
  transition: color 160ms var(--ease);
}

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

.page-faq .qa > summary:hover,
.page-faq .qa > summary:focus-visible {
  color: var(--blue);
}

.page-faq .qa-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-faq .qa-q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa-dot {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--faq-dot);
  transition: background 220ms var(--ease), box-shadow 220ms var(--ease);
}

.page-faq .qa[open] > summary .qa-dot {
  background: var(--pulse);
  box-shadow: 0 0 0 5px rgba(185, 255, 59, 0.16);
}

.page-faq .qa-body {
  padding: 0 0 22px 34px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--faq-body);
}

.page-faq .qa-body p {
  margin: 0 0 12px;
}

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

.page-faq .qa-steps {
  list-style: none;
  counter-reset: qstep;
  margin: 4px 0 0;
  padding: 0;
}

.page-faq .qa-steps li {
  counter-increment: qstep;
  position: relative;
  padding-left: 36px;
  margin-bottom: 10px;
}

.page-faq .qa-steps li:last-child {
  margin-bottom: 0;
}

.page-faq .qa-steps li::before {
  content: counter(qstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--blue);
}

.page-faq .qa-more {
  margin: 14px 0 0;
  font-size: 14px;
  color: var(--slate);
}

.page-faq .qa-more a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid var(--line-blue);
}

.page-faq .qa-more a:hover,
.page-faq .qa-more a:focus-visible {
  color: var(--cream);
  border-bottom-color: var(--flame);
}

/* ---------- 换设备组内的图文并排 ---------- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-top: 26px;
}

.page-faq .faq-split-figure {
  margin: 0;
  padding: 8px;
  background: var(--panel);
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-cut);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-split-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-cut);
}

.page-faq .faq-split-figure figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 6px;
}

.page-faq .faq-contact-card {
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-cut);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-contact-card h3 {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-faq .faq-contact-card p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--faq-body);
}

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

.page-faq .faq-contact-card a {
  color: var(--blue);
  text-decoration: none;
  word-break: break-all;
}

.page-faq .faq-contact-card a:hover,
.page-faq .faq-contact-card a:focus-visible {
  color: var(--cream);
}

.page-faq .faq-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-checklist li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 9px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--faq-body);
}

.page-faq .faq-checklist li:last-child {
  margin-bottom: 0;
}

.page-faq .faq-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 2px;
  background: var(--flame);
}

/* ---------- 右下角快捷入口 ---------- */
.page-faq .faq-quick {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 17px;
  font-size: 14px;
  color: var(--cream);
  text-decoration: none;
  background: var(--panel);
  border: 1px solid var(--line-gold);
  border-radius: 999px;
  box-shadow: 0 18px 36px -20px rgba(0, 0, 0, 0.95);
  transition: border-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-faq .faq-quick:hover,
.page-faq .faq-quick:focus-visible {
  border-color: var(--flame);
  transform: translateY(-2px);
}

/* ---------- 窄屏 ---------- */
@media (max-width: 1019px) {
  .page-faq .faq-index-list {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    border-left: 0;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
  }

  .page-faq .faq-index-list li {
    flex: 0 0 auto;
  }

  .page-faq .faq-index-link {
    padding: 8px 14px;
    white-space: nowrap;
    border: 1px solid var(--faq-line);
    border-radius: var(--radius-cut);
  }

  .page-faq .faq-index-link::before {
    display: none;
  }
}

@media (max-width: 640px) {
  .page-faq .faq-hero {
    padding: calc(var(--bar-h) + 22px) 0 48px;
  }

  .page-faq .faq-hero-visual {
    transform: none;
  }

  .page-faq .faq-layout {
    padding-top: 40px;
    gap: 26px;
  }

  .page-faq .qa > summary {
    gap: 10px;
    font-size: 16px;
  }

  .page-faq .qa-body {
    padding-left: 0;
  }

  .page-faq .faq-quick {
    right: 12px;
    bottom: 74px;
    font-size: 13px;
    padding: 10px 14px;
  }
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 960px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
  }
}

@media (min-width: 1020px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 52px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--bar-h) + 28px);
    align-self: start;
  }
}

@media (min-width: 820px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hero-visual,
  .page-faq .faq-quick:hover {
    transform: none;
  }

  .page-faq .qa-dot,
  .page-faq .faq-index-link,
  .page-faq .qa-more a {
    transition: none;
  }
}