.page-faq {
  --faq-rail-top: 96px;
  padding-bottom: 72px;
  color: var(--wb-body);
}

.page-faq .wb-breadcrumb {
  margin: 22px 0 18px;
}

/* ---------- 首屏 ---------- */
.faq-hero__grid {
  display: grid;
  gap: 26px;
  align-items: start;
}

.faq-hero__title {
  margin: 10px 0 16px;
  font-size: clamp(1.72rem, 4.4vw, 2.85rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--wb-cream);
  max-width: 22ch;
}

.faq-hero__lede {
  margin: 0 0 12px;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--wb-body);
  max-width: 62ch;
}

.faq-hero__lede--sub {
  color: var(--wb-mist);
  font-size: 0.94rem;
  padding-left: 14px;
  border-left: 2px solid var(--wb-line);
}

.faq-hot {
  padding: 18px 18px 8px;
  border: 1px solid var(--wb-line);
  border-radius: var(--wb-r);
  background:
    linear-gradient(155deg, rgba(28, 58, 87, 0.72), rgba(10, 22, 38, 0.92)),
    var(--wb-deep);
  box-shadow: 0 26px 60px -40px rgba(0, 0, 0, 0.95);
}

.faq-hot__title {
  margin: 0 0 6px;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-family: var(--wb-mono);
  color: var(--wb-neon);
}

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

.faq-hot__list li + li {
  border-top: 1px solid rgba(107, 127, 146, 0.22);
}

.faq-hot__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 2px;
  color: var(--wb-body);
  font-size: 0.93rem;
  line-height: 1.55;
  text-decoration: none;
  transition: color 0.22s var(--wb-ease);
}

.faq-hot__link:hover,
.faq-hot__link:focus-visible {
  color: var(--wb-neon);
}

.faq-hot__arrow {
  flex: 0 0 auto;
  font-family: var(--wb-mono);
  color: var(--wb-neon);
}

/* ---------- 筛选带与布局 ---------- */
.faq-workbench {
  margin-top: 34px;
}

.faq-workbench__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  padding: 14px 16px;
  border: 1px solid var(--wb-line);
  border-radius: var(--wb-r);
  background: linear-gradient(115deg, rgba(28, 58, 87, 0.55), rgba(10, 22, 38, 0.85));
  box-shadow: inset 0 0 32px -18px rgba(59, 232, 210, 0.55), 0 22px 50px -42px rgba(0, 0, 0, 0.95);
}

.faq-workbench__label {
  margin: 0;
  font-family: var(--wb-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--wb-neon);
  text-transform: uppercase;
}

.faq-layout {
  margin-top: 30px;
  align-items: start;
}

/* ---------- 左侧索引 ---------- */
.faq-rail {
  border-top: 2px solid var(--wb-line);
  padding-top: 14px;
}

.faq-rail__title {
  margin: 0 0 12px;
  font-family: var(--wb-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--wb-rock);
}

.faq-rail__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.faq-rail__link {
  display: block;
  padding: 10px 10px 10px 12px;
  border-left: 2px solid rgba(107, 127, 146, 0.32);
  color: var(--wb-mist);
  font-size: 0.92rem;
  line-height: 1.55;
  text-decoration: none;
  transition: color 0.22s var(--wb-ease), border-color 0.22s var(--wb-ease), background 0.22s var(--wb-ease);
}

.faq-rail__link:hover,
.faq-rail__link:focus-visible {
  color: var(--wb-cream);
  border-left-color: var(--wb-neon);
  background: rgba(59, 232, 210, 0.06);
}

.faq-rail__num {
  display: inline-block;
  min-width: 2.1em;
  font-family: var(--wb-mono);
  font-size: 0.8rem;
  color: var(--wb-neon);
}

.faq-rail__meta {
  padding: 14px 14px 12px;
  border: 1px solid var(--wb-line-soft);
  border-radius: var(--wb-r);
  background: rgba(18, 40, 64, 0.55);
}

.faq-rail__note {
  margin: 10px 0 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--wb-rock);
}

/* ---------- 问答分组 ---------- */
.faq-group {
  margin-bottom: 48px;
  scroll-margin-top: 100px;
}

.faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--wb-line-soft);
}

.faq-group__num {
  font-family: var(--wb-mono);
  font-size: 1.28rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--wb-violet);
  line-height: 1;
}

.faq-group__title {
  margin: 0;
  font-size: clamp(1.16rem, 2.5vw, 1.5rem);
  letter-spacing: -0.01em;
  color: var(--wb-cream);
}

.faq-group__lede {
  margin: 14px 0 6px;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--wb-mist);
  max-width: 66ch;
}

/* ---------- 可折叠问答卡 ---------- */
.faq-card {
  margin-top: 12px;
  border: 1px solid var(--wb-line-soft);
  border-radius: var(--wb-r);
  background: linear-gradient(150deg, rgba(18, 40, 64, 0.72), rgba(10, 22, 38, 0.78));
  transition: border-color 0.25s var(--wb-ease), box-shadow 0.25s var(--wb-ease);
}

.faq-card:hover {
  border-color: var(--wb-line);
}

.faq-card[open] {
  border-color: var(--wb-line);
  box-shadow: 0 0 0 1px rgba(59, 232, 210, 0.08), 0 30px 60px -46px rgba(0, 0, 0, 0.95);
}

.faq-card__q {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 48px 16px 16px;
  list-style: none;
  cursor: pointer;
  color: var(--wb-cream);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.6;
}

.faq-card__q::-webkit-details-marker {
  display: none;
}

.faq-card__q::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  margin-top: 9px;
  border-radius: 1px;
  background: var(--wb-violet);
}

.faq-card__q::after {
  content: "";
  position: absolute;
  right: 18px;
  top: 20px;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid var(--wb-neon);
  border-bottom: 1.5px solid var(--wb-neon);
  transform: rotate(45deg);
  transition: transform 0.25s var(--wb-ease);
}

.faq-card[open] .faq-card__q::after {
  transform: rotate(-135deg);
}

.faq-card__a {
  margin: 0 16px;
  padding: 14px 0 18px;
  border-top: 1px dashed rgba(107, 127, 146, 0.38);
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--wb-body);
}

.faq-card__a p {
  margin: 0 0 10px;
}

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

.faq-card__a a {
  color: var(--wb-neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 232, 210, 0.4);
}

.faq-card__a a:hover {
  border-bottom-color: var(--wb-neon);
}

/* ---------- 编号步骤 ---------- */
.faq-steps {
  counter-reset: faqstep;
  list-style: none;
  margin: 0;
  padding: 0;
}

.faq-steps li {
  counter-increment: faqstep;
  position: relative;
  padding: 0 0 20px 44px;
}

.faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--wb-mono);
  font-size: 1.02rem;
  letter-spacing: 0.02em;
  color: var(--wb-neon);
}

.faq-steps li::after {
  content: "";
  position: absolute;
  left: 19px;
  top: 27px;
  bottom: 4px;
  border-left: 1px dashed rgba(59, 232, 210, 0.3);
}

.faq-steps li:last-child {
  padding-bottom: 0;
}

.faq-steps li:last-child::after {
  display: none;
}

.faq-steps--tall li {
  padding-bottom: 24px;
  line-height: 1.8;
}

.faq-steps strong {
  color: var(--wb-cream);
  font-weight: 700;
}

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

.faq-bullets li {
  position: relative;
  padding: 0 0 12px 20px;
}

.faq-bullets li:last-child {
  padding-bottom: 0;
}

.faq-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 10px;
  height: 1.5px;
  background: var(--wb-neon);
}

.faq-bullets strong {
  color: var(--wb-cream);
}

.faq-note {
  margin: 14px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--wb-violet);
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--wb-rock);
}

/* ---------- 图形与配图 ---------- */
.faq-figure {
  margin: 20px 0 4px;
  border: 1px solid var(--wb-line-soft);
  border-radius: var(--wb-r);
  overflow: hidden;
  background: rgba(10, 22, 38, 0.6);
}

.faq-figure--tight {
  margin-top: 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-figure .wb-media__cap {
  font-family: var(--wb-mono);
  font-size: 0.76rem;
  color: var(--wb-rock);
}

/* ---------- 客服三步 ---------- */
.faq-support {
  margin-top: 16px;
}

.faq-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 0;
}

/* ---------- 页尾延伸 ---------- */
.faq-tail {
  display: grid;
  gap: 14px;
  margin-top: 8px;
  padding-top: 22px;
  border-top: 1px solid var(--wb-line-soft);
}

.faq-tail__card {
  padding: 16px;
  border: 1px solid var(--wb-line-soft);
  border-radius: var(--wb-r);
  background: rgba(18, 40, 64, 0.5);
}

.faq-tail__title {
  margin: 0 0 6px;
  font-family: var(--wb-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--wb-neon);
}

.faq-tail__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--wb-mist);
}

.faq-tail__text a {
  color: var(--wb-cream);
  text-decoration: none;
  border-bottom: 1px solid var(--wb-line);
}

.faq-tail__text a:hover {
  color: var(--wb-neon);
  border-bottom-color: var(--wb-neon);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .faq-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 34px;
  }

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

@media (min-width: 961px) {
  .faq-rail {
    position: sticky;
    top: var(--faq-rail-top);
  }
}

@media (max-width: 620px) {
  .faq-hero__title {
    max-width: none;
  }

  .faq-card__q {
    padding: 14px 42px 14px 14px;
    font-size: 0.96rem;
  }

  .faq-card__a {
    margin: 0 14px;
  }

  .faq-steps li {
    padding-left: 34px;
  }

  .faq-steps li::after {
    left: 15px;
  }

  .faq-cta-row .wb-btn {
    flex: 1 1 auto;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition: none !important;
    animation: none !important;
  }
}