.page-faq {
  --faq-lime-glow: 0 0 0 1px rgba(184, 255, 60, .28), 0 12px 28px rgba(0, 0, 0, .38);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-faq .breadcrumb {
  margin-bottom: clamp(24px, 4vw, 40px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  max-width: 820px;
  padding-bottom: clamp(30px, 5vw, 52px);
}

.page-faq .faq-hero h1 {
  font-family: var(--bb-font-display);
  font-size: clamp(30px, 6vw, 58px);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -.012em;
  color: var(--bb-mist);
  margin: 14px 0 18px;
}

.page-faq .faq-lead {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15px, 2.3vw, 18px);
  line-height: 1.78;
  color: var(--bb-sage);
}

.page-faq .faq-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 20px;
  margin: 30px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--bb-line);
}

.page-faq .faq-facts > div {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
}

.page-faq .faq-facts dt {
  color: var(--bb-sage);
}

.page-faq .faq-facts dd {
  margin: 0;
  font-family: var(--bb-font-mono);
  font-size: clamp(15px, 2.4vw, 19px);
  font-variant-numeric: tabular-nums;
  color: var(--bb-lime);
  white-space: nowrap;
}

/* ---------- 主栅格：左侧索引 + 右侧问答 ---------- */
.page-faq .faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 48px);
}

/* ---------- 左侧问题索引 ---------- */
.page-faq .faq-index {
  border-top: 1px solid var(--bb-line);
  padding-top: 18px;
}

.page-faq .faq-index .label {
  color: var(--bb-sage);
}

.page-faq .faq-index ol {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2px;
}

.page-faq .faq-index a {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: baseline;
  gap: 8px;
  padding: 8px 10px;
  color: var(--bb-sage);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  border-left: 2px solid transparent;
  border-radius: 0 var(--bb-radius-sm) var(--bb-radius-sm) 0;
  transition: color .15s var(--bb-ease), background-color .15s var(--bb-ease), border-color .15s var(--bb-ease);
}

.page-faq .faq-index a .num {
  font-size: 12px;
  color: var(--bb-lime);
  letter-spacing: .04em;
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  color: var(--bb-mist);
  background: rgba(47, 90, 69, .38);
  border-left-color: var(--bb-lime);
}

.page-faq .faq-index a:focus-visible {
  outline: 2px solid var(--bb-lime);
  outline-offset: 2px;
}

/* ---------- 内容分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 108px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(40px, 7vw, 72px);
  padding-top: clamp(40px, 7vw, 72px);
  border-top: 1px solid var(--bb-line);
}

.page-faq .faq-group h2 {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 12px;
  font-family: var(--bb-font-display);
  font-size: clamp(21px, 3.6vw, 33px);
  font-weight: 400;
  line-height: 1.22;
  letter-spacing: -.006em;
  color: var(--bb-mist);
}

.page-faq .faq-group h2 .num {
  flex: none;
  font-size: .52em;
  color: var(--bb-orange);
  letter-spacing: .1em;
}

.page-faq .faq-group-note {
  margin: 0 0 24px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--bb-sage);
}

/* ---------- 三条上手路径 ---------- */
.page-faq .path-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-bottom: 26px;
}

.page-faq .path-card {
  position: relative;
  padding: 20px 18px 22px;
  border: 1px solid var(--bb-line);
  border-radius: var(--bb-radius-sm);
  background: linear-gradient(160deg, rgba(47, 90, 69, .32), rgba(8, 23, 19, .58));
  transition: border-color .16s var(--bb-ease), background-color .16s var(--bb-ease);
}

.page-faq .path-card:hover {
  border-color: var(--bb-turf);
}

.page-faq .path-card::after {
  content: "";
  position: absolute;
  right: 18px;
  top: 22px;
  width: 16px;
  height: 1px;
  background: var(--bb-orange);
}

.page-faq .path-step {
  display: block;
  margin-bottom: 12px;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--bb-orange);
  text-transform: uppercase;
}

.page-faq .path-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--bb-mist);
}

.page-faq .path-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--bb-sage);
}

/* ---------- 图片框 ---------- */
.page-faq .media-frame {
  margin: 0 0 26px;
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--bb-line);
  border-radius: var(--bb-radius-sm);
  background: linear-gradient(180deg, rgba(47, 90, 69, .16), rgba(8, 23, 19, .52));
  transition: border-color .16s var(--bb-ease), box-shadow .16s var(--bb-ease);
}

.page-faq .faq-item:hover {
  border-color: var(--bb-turf);
}

.page-faq .faq-item[open] {
  border-color: var(--bb-lime);
  box-shadow: var(--faq-lime-glow);
}

.page-faq summary.faq-q {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) 20px;
  align-items: baseline;
  gap: 10px;
  padding: 16px;
  list-style: none;
  cursor: pointer;
  color: var(--bb-mist);
  font-size: 15.5px;
  line-height: 1.58;
  transition: color .15s var(--bb-ease);
}

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

.page-faq summary.faq-q::marker {
  content: "";
}

.page-faq summary.faq-q:focus-visible {
  outline: 2px solid var(--bb-lime);
  outline-offset: -3px;
  border-radius: var(--bb-radius-sm);
}

.page-faq summary.faq-q .num {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--bb-sage);
  transition: color .15s var(--bb-ease);
}

.page-faq .faq-item[open] summary.faq-q .num {
  color: var(--bb-lime);
}

.page-faq .faq-q-text {
  min-width: 0;
}

.page-faq .faq-caret {
  justify-self: end;
  align-self: center;
  font-family: var(--bb-font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--bb-lime);
  transition: transform .16s var(--bb-ease);
}

.page-faq .faq-item[open] .faq-caret {
  transform: rotate(45deg);
}

.page-faq .faq-a {
  padding: 0 16px 18px 66px;
  animation: faqReveal .18s var(--bb-ease) both;
}

@keyframes faqReveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .faq-a p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--bb-sage);
}

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

.page-faq .faq-a strong {
  color: var(--bb-mist);
  font-weight: 500;
}

/* ---------- 沙色小卡 ---------- */
.page-faq .faq-note {
  margin-top: 16px;
  padding: 15px 16px;
  background: var(--bb-sand);
  color: var(--bb-deep);
  border-radius: var(--bb-radius-sm);
  font-size: 14px;
  line-height: 1.72;
}

.page-faq .faq-note .label {
  display: block;
  margin-bottom: 7px;
  color: rgba(8, 23, 19, .62);
}

.page-faq .faq-note .num {
  display: inline-block;
  margin-right: 10px;
  font-family: var(--bb-font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--bb-deep);
  white-space: nowrap;
}

/* ---------- 邮件模板 ---------- */
.page-faq .mail-template {
  margin-top: 16px;
  padding: 16px 18px 18px;
  background: var(--bb-sand);
  color: var(--bb-deep);
  border-radius: var(--bb-radius-sm);
}

.page-faq .mail-template .label {
  display: block;
  margin-bottom: 10px;
  color: rgba(8, 23, 19, .62);
}

.page-faq .mail-template pre {
  margin: 0;
  font-family: var(--bb-font-mono);
  font-size: 13px;
  line-height: 1.95;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  color: var(--bb-deep);
}

/* ---------- 联系方式块 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 26px;
  padding: 22px 20px;
  border: 1px solid var(--bb-line);
  border-radius: var(--bb-radius);
  background: rgba(8, 23, 19, .6);
}

.page-faq .faq-contact-item {
  min-width: 0;
}

.page-faq .faq-contact-item .label {
  display: block;
  margin-bottom: 8px;
  color: var(--bb-sage);
}

.page-faq .faq-contact-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--bb-mist);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact-item p.num {
  font-family: var(--bb-font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--bb-lime);
}

/* ---------- 延伸入口 ---------- */
.page-faq .faq-more {
  margin-top: clamp(40px, 7vw, 72px);
  padding-top: clamp(24px, 4vw, 36px);
  border-top: 1px solid var(--bb-line);
  max-width: 66ch;
}

.page-faq .faq-more p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--bb-sage);
}

.page-faq .faq-more .link-underline {
  color: var(--bb-mist);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-faq .faq-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    padding: 26px 24px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-grid {
    grid-template-columns: 218px minmax(0, 1fr);
    gap: clamp(36px, 4.5vw, 68px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 100px;
    border-top: none;
    padding-top: 0;
  }

  .page-faq .faq-index ol {
    grid-template-columns: minmax(0, 1fr);
    gap: 3px;
  }

  .page-faq .faq-index a {
    border-left: 2px solid transparent;
  }
}

@media (max-width: 559px) {
  .page-faq .faq-a {
    padding-left: 16px;
  }

  .page-faq summary.faq-q {
    grid-template-columns: 32px minmax(0, 1fr) 18px;
    gap: 8px;
    padding: 15px 14px;
  }

  .page-faq .faq-a {
    padding-right: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}