.page-faq {
  padding-top: var(--header-h);
  background: var(--ink);
  color: var(--text);
  overflow-x: hidden;
}

.page-faq .breadcrumbs {
  padding-top: 22px;
  padding-bottom: 4px;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: 34px 0 68px;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -160px -12% auto -12%;
  height: 540px;
  background:
    radial-gradient(44% 58% at 14% 4%, rgba(107, 77, 246, 0.42), transparent 70%),
    radial-gradient(38% 52% at 88% 16%, rgba(0, 233, 212, 0.2), transparent 72%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: 96px;
  right: -4%;
  width: 44%;
  height: 320px;
  background: linear-gradient(135deg, rgba(142, 31, 63, 0.55), rgba(5, 7, 12, 0));
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

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

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 8vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.035em;
  margin: 14px 0 18px;
  max-width: 16em;
}

.page-faq .faq-hero__lede {
  max-width: 34em;
  color: var(--text-soft);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(22, 35, 58, 0.72);
  border: 1px solid var(--line);
  color: var(--text-soft);
  font-size: 13px;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-jump a:hover {
  color: var(--cyan);
  border-color: var(--glass-line);
  background: rgba(0, 233, 212, 0.08);
}

.page-faq .faq-jump .mono {
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

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

/* ---------- 主体：问答流 + 常驻速查 ---------- */

.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding-bottom: 76px;
}

.page-faq .faq-group {
  padding: 26px 0 0;
  border-top: 1px solid var(--line);
}

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

.page-faq .faq-group + .faq-group {
  margin-top: 46px;
}

.page-faq .faq-group__title {
  font-size: clamp(20px, 4.6vw, 28px);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 10px 0 20px;
}

.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-list .disclose {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(22, 35, 58, 0.92), rgba(12, 20, 36, 0.94));
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-list .disclose::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan), rgba(0, 233, 212, 0));
  opacity: 0.32;
  transition: opacity var(--dur) var(--ease);
}

.page-faq .faq-list .disclose:hover {
  border-color: var(--line-strong);
}

.page-faq .faq-list .disclose:has(.disclose__trigger[aria-expanded="true"])::before {
  opacity: 1;
}

.page-faq .faq-list .disclose__trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 18px 20px;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background var(--dur) var(--ease);
}

.page-faq .faq-list .disclose__trigger[aria-expanded="true"] {
  background: linear-gradient(90deg, rgba(0, 233, 212, 0.1), rgba(0, 233, 212, 0) 62%);
}

.page-faq .faq-list .disclose__index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  opacity: 0.9;
}

.page-faq .faq-list .disclose__q {
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -0.005em;
}

.page-faq .faq-list .disclose__icon {
  position: relative;
  width: 20px;
  height: 20px;
  flex: none;
}

.page-faq .faq-list .disclose__icon::before,
.page-faq .faq-list .disclose__icon::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-faq .faq-list .disclose__icon::before {
  left: 0;
  top: 50%;
  width: 100%;
  height: 2px;
  transform: translateY(-50%);
}

.page-faq .faq-list .disclose__icon::after {
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  transform: translateX(-50%);
}

.page-faq .faq-list .disclose__trigger[aria-expanded="true"] .disclose__icon::after {
  transform: translateX(-50%) scaleY(0);
  opacity: 0;
}

.page-faq .faq-list .disclose__panel {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--dur) var(--ease);
}

.page-faq .faq-list .disclose__trigger[aria-expanded="true"] + .disclose__panel {
  max-height: 420px;
}

.page-faq .faq-list .disclose__body {
  padding: 0 20px 20px 60px;
  color: var(--text-soft);
  font-size: 14.5px;
  line-height: 1.85;
}

.page-faq .faq-list .disclose__body p {
  margin: 0;
  max-width: 62ch;
}

/* ---------- 速查侧栏 ---------- */

.page-faq .faq-rail__card {
  position: relative;
  padding: 24px 22px 22px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(22, 35, 58, 0.96), rgba(12, 20, 36, 0.98));
  overflow: hidden;
}

.page-faq .faq-rail__card::after {
  content: "";
  position: absolute;
  top: -140px;
  right: -120px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(107, 77, 246, 0.36), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-rail__card > * {
  position: relative;
  z-index: 1;
}

.page-faq .faq-rail__title {
  font-size: clamp(19px, 4.2vw, 24px);
  font-weight: 600;
  margin: 10px 0 12px;
}

.page-faq .faq-rail__note {
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.75;
}

.page-faq .band-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .band {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: rgba(5, 7, 12, 0.52);
}

.page-faq .band__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-faq .band__name {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text);
}

.page-faq .band__range {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-faq .band__bar {
  grid-column: 1 / -1;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--violet), var(--blue));
}

.page-faq .band:nth-child(1) .band__bar {
  background: linear-gradient(90deg, var(--violet), var(--blue));
  opacity: 1;
}

.page-faq .band:nth-child(1) .band__no {
  color: var(--violet);
}

.page-faq .band:nth-child(2) .band__bar {
  background: linear-gradient(90deg, var(--violet), var(--cyan-deep));
  opacity: 0.88;
}

.page-faq .band:nth-child(3) .band__bar {
  background: linear-gradient(90deg, var(--blue), var(--cyan-deep));
  opacity: 0.8;
}

.page-faq .band:nth-child(4) .band__bar {
  background: linear-gradient(90deg, var(--cyan-deep), var(--cyan));
  opacity: 0.72;
}

.page-faq .band:nth-child(5) .band__bar {
  background: linear-gradient(90deg, var(--cyan), var(--muted));
  opacity: 0.62;
}

.page-faq .band:nth-child(6) .band__bar {
  background: linear-gradient(90deg, var(--muted), var(--wine));
  opacity: 0.72;
}

.page-faq .faq-rail__facts {
  display: grid;
  gap: 8px;
  margin: 20px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-rail__facts > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-faq .faq-rail__facts dt {
  font-size: 12.5px;
  color: var(--muted);
}

.page-faq .faq-rail__facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

/* ---------- 区间读法 ---------- */

.page-faq .faq-bands {
  padding: 68px 0;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(12, 20, 36, 0.7), rgba(5, 7, 12, 0));
}

.page-faq .faq-bands__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}

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

.page-faq .faq-bands__title {
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(26px, 6vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 12px 0 18px;
}

.page-faq .faq-bands__para {
  margin: 0;
  color: var(--text-soft);
  font-size: 15.5px;
  line-height: 1.85;
  max-width: 34em;
}

.page-faq .faq-bands__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-bands__list li {
  position: relative;
  padding-left: 22px;
  color: var(--text-soft);
  font-size: 14.5px;
  line-height: 1.8;
  max-width: 34em;
}

.page-faq .faq-bands__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 10px;
  height: 2px;
  background: var(--cyan);
}

/* ---------- 人工通道 ---------- */

.page-faq .faq-help {
  padding: 68px 0 96px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-help__title {
  font-size: clamp(22px, 5vw, 32px);
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 10px 0 14px;
}

.page-faq .faq-help__lede {
  max-width: 40em;
  color: var(--text-soft);
}

.page-faq .faq-help__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 30px;
}

.page-faq .faq-help__card {
  padding: 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(22, 35, 58, 0.85), rgba(12, 20, 36, 0.95));
  transition: border-color var(--dur) var(--ease);
}

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

.page-faq .faq-help__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-help__value {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  word-break: break-word;
  line-height: 1.5;
}

.page-faq .faq-help__value a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--glass-line);
}

.page-faq .faq-help__value a:hover {
  border-bottom-color: var(--cyan);
}

.page-faq .faq-help__text {
  margin: 0;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.78;
}

.page-faq .faq-help__steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-faq .faq-help__steps li {
  counter-increment: faqstep;
  position: relative;
  padding: 18px 18px 18px 56px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(12, 20, 36, 0.78);
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.75;
}

.page-faq .faq-help__steps li::before {
  content: "0" counter(faqstep);
  position: absolute;
  left: 18px;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .faq-help__links {
  margin: 30px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.95;
  max-width: 58em;
}

.page-faq .faq-help__links a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--glass-line);
}

.page-faq .faq-help__links a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 响应式 ---------- */

@media (max-width: 560px) {
  .page-faq .faq-list .disclose__body {
    padding: 0 18px 18px 18px;
  }

  .page-faq .faq-list .disclose__trigger {
    gap: 10px;
    padding: 16px 16px;
  }

  .page-faq .band {
    padding: 9px 10px;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-hero {
    padding: 48px 0 84px;
  }

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

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

@media (min-width: 940px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 56px;
  }

  .page-faq .faq-bands__inner {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    gap: 56px;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(0, 1.58fr) minmax(320px, 0.92fr);
    gap: 46px;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-faq .faq-help__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-list .disclose__panel,
  .page-faq .faq-list .disclose__icon::before,
  .page-faq .faq-list .disclose__icon::after,
  .page-faq .faq-jump a {
    transition: none;
  }

  .page-faq .faq-list .disclose__trigger[aria-expanded="true"] + .disclose__panel {
    max-height: none;
  }
}