.page-faq {
  --faq-line: rgba(195, 204, 214, 0.14);
  --faq-line-soft: rgba(195, 204, 214, 0.08);
  --faq-body-dim: rgba(11, 27, 43, 0.74);
  --faq-step-gap: 18px;
  background: var(--ink-900);
  color: var(--mist);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(24px, 4vw, 44px) clamp(36px, 5vw, 68px);
  background:
    radial-gradient(880px 440px at 8% -12%, rgba(39, 225, 232, 0.13), transparent 62%),
    radial-gradient(720px 400px at 94% 4%, rgba(255, 106, 42, 0.11), transparent 66%),
    var(--ink-900);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  margin-top: 16px;
}

.page-faq .faq-hero__lead {
  position: relative;
}

.page-faq .faq-hero__idx {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(4.6rem, 15vw, 8.6rem);
  line-height: 0.8;
  letter-spacing: -0.06em;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(255, 106, 42, 0.62);
  margin-block: 8px 6px;
  font-variant-numeric: tabular-nums;
  user-select: none;
}

.page-faq .faq-hero h1 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.95rem, 5.2vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--fog);
}

.page-faq .faq-hero .bb-lede {
  max-width: 46ch;
  color: var(--mist);
  font-size: clamp(0.98rem, 1.6vw, 1.06rem);
  line-height: 1.8;
}

.page-faq .faq-hero__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

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

.page-faq .faq-hero__media {
  margin: 0 0 20px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--line-firm);
  background: var(--ink-700);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 5;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 五步流程 ---------- */
.page-faq .faq-steps {
  position: relative;
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: var(--faq-step-gap);
}

.page-faq .faq-steps::before {
  content: "";
  position: absolute;
  left: 36px;
  top: 26px;
  bottom: 26px;
  width: 1px;
  background: linear-gradient(180deg, var(--orange) 0%, rgba(39, 225, 232, 0.55) 58%, transparent 100%);
}

.page-faq .faq-step {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px 16px 14px;
  background: var(--ink-700);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-lg);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-faq .faq-step:hover,
.page-faq .faq-step:focus-within {
  border-color: rgba(255, 106, 42, 0.45);
  transform: translateY(-2px);
}

.page-faq .faq-step__no {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255, 106, 42, 0.42);
  background: rgba(255, 106, 42, 0.14);
  color: var(--orange);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.92rem;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-step__body h3 {
  margin: 0 0 6px;
  font-family: var(--font-body);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--fog);
  letter-spacing: 0.01em;
}

.page-faq .faq-step__body p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--metal-light);
}

/* ---------- 快速定位条 ---------- */
.page-faq .faq-jump {
  background: var(--ink-950);
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-jump__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-block: 16px;
}

.page-faq .faq-jump a {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--line-firm);
  border-radius: var(--radius-pill);
  color: var(--metal-light);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  color: var(--cyan);
  border-color: rgba(39, 225, 232, 0.5);
  background: rgba(39, 225, 232, 0.07);
}

/* ---------- 分类速查（浅色区） ---------- */
.page-faq .faq-find {
  background: var(--fog);
  color: var(--ink-700);
  padding-block: clamp(44px, 7vw, 82px);
  border-top: 4px solid var(--orange);
}

.page-faq .faq-find__head {
  display: grid;
  gap: 26px;
}

.page-faq .faq-find__intro h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.7rem, 3.8vw, 2.55rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--ink-800);
}

.page-faq .faq-find__intro p {
  margin: 0;
  max-width: 54ch;
  font-size: 0.97rem;
  line-height: 1.8;
  color: var(--faq-body-dim);
}

.page-faq .faq-find .bb-kicker {
  color: var(--teal);
}

.page-faq .faq-find__fig {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(11, 27, 43, 0.1);
}

.page-faq .faq-find__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  max-width: 100%;
  object-fit: cover;
}

.page-faq .faq-tabs {
  margin-top: clamp(26px, 4vw, 38px);
}

.page-faq .faq-tabs__row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.page-faq .faq-tabs__row .bb-tabs__btn {
  appearance: none;
  padding: 10px 18px;
  border: 1px solid rgba(11, 27, 43, 0.16);
  border-radius: var(--radius-pill);
  background: #ffffff;
  color: var(--ink-700);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-tabs__row .bb-tabs__btn:hover {
  border-color: rgba(11, 110, 117, 0.45);
  color: var(--teal);
}

.page-faq .faq-tabs__row .bb-tabs__btn:is([aria-selected="true"], .is-active) {
  background: var(--ink-800);
  border-color: var(--ink-800);
  color: var(--fog);
  box-shadow: inset 0 -3px 0 var(--orange);
}

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

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

.page-faq .faq-qa {
  padding: 20px 22px 22px;
  background: #ffffff;
  border: 1px solid rgba(11, 27, 43, 0.1);
  border-radius: var(--radius-lg);
  border-top: 3px solid rgba(11, 110, 117, 0.35);
  transition: border-top-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-faq .faq-qa:hover {
  border-top-color: var(--orange);
  transform: translateY(-2px);
}

.page-faq .faq-qa h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink-800);
}

.page-faq .faq-qa p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.78;
  color: var(--faq-body-dim);
}

.page-faq .faq-qa a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 导出排查（深色区） ---------- */
.page-faq .faq-diag {
  position: relative;
  background:
    linear-gradient(180deg, rgba(19, 41, 61, 0.9), rgba(7, 19, 31, 0.96)),
    var(--ink-900);
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-sec-head {
  max-width: 62ch;
}

.page-faq .faq-sec-head h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.65rem, 3.6vw, 2.5rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-faq .faq-sec-head p {
  margin: 0;
  font-size: 0.97rem;
  line-height: 1.8;
  color: var(--metal-light);
}

.page-faq .faq-diag__grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(26px, 4vw, 38px);
}

.page-faq .faq-diag__card {
  position: relative;
  padding: 22px 22px 24px;
  background: var(--ink-700);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--cyan);
}

.page-faq .faq-diag__card:nth-child(even) {
  border-left-color: var(--orange);
}

.page-faq .faq-diag__no {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-diag__card:nth-child(even) .faq-diag__no {
  color: var(--orange);
}

.page-faq .faq-diag__card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--fog);
}

.page-faq .faq-diag__card p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--metal-light);
}

/* ---------- 联系收束 ---------- */
.page-faq .faq-help {
  position: relative;
  padding-block: clamp(44px, 7vw, 80px);
  background: linear-gradient(155deg, var(--ink-900) 0%, var(--ink-950) 100%);
  border-top: 4px solid transparent;
  border-image: linear-gradient(90deg, var(--cyan), var(--orange)) 1;
}

.page-faq .faq-help__grid {
  display: grid;
  gap: 26px;
}

.page-faq .faq-help__lead h2 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.7rem, 3.8vw, 2.55rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-faq .faq-help__lead p {
  margin: 0 0 14px;
  max-width: 52ch;
  font-size: 0.96rem;
  line-height: 1.82;
  color: var(--metal-light);
}

.page-faq .faq-help__lead .bb-btn {
  margin-top: 8px;
}

.page-faq .faq-help__card {
  display: grid;
  gap: 2px;
  padding: 10px 24px 14px;
  background: var(--ink-800);
  border: 1px solid var(--line-firm);
  border-radius: var(--radius-xl);
  border-top: 3px solid var(--orange);
}

.page-faq .faq-help__row {
  display: grid;
  gap: 4px;
  padding-block: 14px;
  border-bottom: 1px dashed var(--faq-line);
}

.page-faq .faq-help__row:last-child {
  border-bottom: 0;
}

.page-faq .faq-help__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--metal);
}

.page-faq .faq-help__value {
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--fog);
  word-break: break-word;
}

.page-faq .faq-help__note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--faq-line-soft);
  font-size: 0.88rem;
  color: var(--metal);
}

.page-faq .faq-help__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(39, 225, 232, 0.35);
  padding-bottom: 1px;
}

.page-faq .faq-help__note a:hover,
.page-faq .faq-help__note a:focus-visible {
  border-bottom-color: var(--cyan);
}

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

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-faq .faq-hero__lead {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-find__head {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: center;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero__media img {
    aspect-ratio: 12 / 4.6;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-qa {
    transition: none;
  }

  .page-faq .faq-step:hover,
  .page-faq .faq-step:focus-within,
  .page-faq .faq-qa:hover {
    transform: none;
  }
}