.page-faq {
  background: var(--ft-deep);
  color: var(--ft-text);
  --faq-line: var(--ft-steel);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: 28px 56px;
  border-bottom: 1px solid var(--ft-steel);
  background:
    radial-gradient(120% 90% at 84% -10%, rgba(255, 92, 26, 0.16), transparent 62%),
    linear-gradient(180deg, #0A1F35 0%, var(--ft-deep) 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image:
    linear-gradient(rgba(29, 62, 98, 0.34) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29, 62, 98, 0.34) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(78% 68% at 70% 18%, #000, transparent 76%);
  mask-image: radial-gradient(78% 68% at 70% 18%, #000, transparent 76%);
}

.page-faq .faq-hero > .ft-wrap {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 30px;
  margin-top: 22px;
}

.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  color: var(--ft-white);
  font-size: clamp(30px, 5.4vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero .ft-lede {
  margin: 16px 0 0;
  max-width: 44ch;
}

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

.page-faq .faq-hero__caption {
  margin: 12px 0 0;
  font-family: var(--ft-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  line-height: 1.7;
  color: var(--ft-muted);
}

/* ---------- 分类锚点 ---------- */
.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--faq-line);
  border-radius: var(--ft-radius);
  background: rgba(15, 42, 71, 0.55);
  color: var(--ft-text);
  text-decoration: none;
  font-family: var(--ft-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  transition: border-color 0.18s var(--ft-ease), color 0.18s var(--ft-ease),
    background 0.18s var(--ft-ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  border-color: var(--ft-cyan);
  color: var(--ft-white);
  background: rgba(61, 242, 208, 0.08);
}

.page-faq .faq-jump__num {
  color: var(--ft-orange);
  font-weight: 700;
}

/* ---------- 主体区 ---------- */
.page-faq .faq-body {
  padding-block: 8px 0;
}

.page-faq .faq-group {
  padding-block: 44px 6px;
  scroll-margin-top: calc(var(--ft-header-h) + 20px);
}

.page-faq .faq-group__head {
  display: grid;
  gap: 10px;
  justify-items: start;
  margin-bottom: 22px;
}

.page-faq .faq-group__head h2 {
  margin: 0;
  color: var(--ft-white);
  font-size: clamp(21px, 3.6vw, 29px);
  line-height: 1.22;
  letter-spacing: -0.01em;
}

.page-faq .faq-group__head p {
  margin: 0;
  max-width: 54ch;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ft-muted);
}

.page-faq .faq-stream {
  max-width: 840px;
  min-width: 0;
}

.page-faq .faq-group__body {
  display: grid;
  gap: 30px;
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-item {
  border-top: 1px solid var(--faq-line);
  transition: border-color 0.2s var(--ft-ease);
}

.page-faq .faq-item:last-child {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-item[open] {
  border-top-color: rgba(255, 92, 26, 0.55);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 17px 0;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .faq-item summary::after {
  content: "";
  flex: 0 0 auto;
  margin-left: auto;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid var(--ft-muted);
  border-bottom: 1.5px solid var(--ft-muted);
  transform: translateY(-2px) rotate(45deg);
  transition: transform 0.22s var(--ft-ease), border-color 0.22s var(--ft-ease);
}

.page-faq .faq-item[open] summary::after {
  transform: translateY(2px) rotate(-135deg);
  border-color: var(--ft-cyan);
}

.page-faq .faq-num {
  flex: 0 0 auto;
  font-family: var(--ft-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--ft-muted);
  transition: color 0.2s var(--ft-ease);
}

.page-faq .faq-item[open] .faq-num {
  color: var(--ft-orange);
}

.page-faq .faq-q {
  color: var(--ft-white);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  overflow-wrap: anywhere;
  transition: color 0.18s var(--ft-ease);
}

.page-faq .faq-item summary:hover .faq-q,
.page-faq .faq-item summary:focus-visible .faq-q {
  color: var(--ft-cyan);
}

.page-faq .faq-item summary:focus-visible {
  outline: 1px solid var(--ft-cyan);
  outline-offset: 4px;
}

.page-faq .faq-answer {
  margin-left: 4px;
  padding: 2px 0 22px 22px;
  border-left: 1px solid var(--faq-line);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ft-text);
}

.page-faq .faq-answer p {
  margin: 0 0 10px;
  max-width: 62ch;
}

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

/* 迷你路径图 */
.page-faq .faq-path {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin: 12px 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-path li {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 11px;
  border: 1px solid var(--ft-steel);
  border-radius: var(--ft-radius);
  background: rgba(61, 242, 208, 0.06);
  font-size: 13px;
  line-height: 1.4;
  color: var(--ft-white);
}

.page-faq .faq-path li span {
  font-family: var(--ft-mono);
  font-size: 11px;
  color: var(--ft-cyan);
}

.page-faq .faq-path li + li::before {
  content: "→";
  position: absolute;
  left: -16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  color: var(--ft-orange);
}

/* ---------- 侧栏图 ---------- */
.page-faq .faq-aside {
  min-width: 0;
}

.page-faq .faq-aside p {
  margin: 14px 0 0;
  font-family: var(--ft-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  line-height: 1.8;
  color: var(--ft-muted);
}

.page-faq .ft-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 浅色摘要带 ---------- */
.page-faq .faq-pause {
  position: relative;
  overflow: hidden;
  margin-block: 34px;
  border-radius: var(--ft-radius);
  background: var(--ft-mist);
  color: var(--ft-deep);
}

.page-faq .faq-pause::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(8, 25, 43, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 25, 43, 0.05) 1px, transparent 1px);
  background-size: 30px 30px;
}

.page-faq .faq-pause__inner {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 20px;
}

.page-faq .faq-pause p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.7;
  color: #24384F;
}

.page-faq .faq-pause strong {
  color: var(--ft-dark, #0B2036);
  font-weight: 700;
}

.page-faq .faq-pause__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  padding: 9px 16px;
  border: 1px solid #0B2036;
  border-radius: var(--ft-radius);
  color: #0B2036;
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 600;
  transition: background 0.18s var(--ft-ease), color 0.18s var(--ft-ease);
}

.page-faq .faq-pause__link:hover,
.page-faq .faq-pause__link:focus-visible {
  background: #0B2036;
  color: var(--ft-mist);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-cta {
  margin-top: 10px;
  padding-block: 40px 56px;
  border-top: 1px solid var(--ft-steel);
  background: linear-gradient(90deg, rgba(255, 92, 26, 0.1), transparent 68%);
}

.page-faq .faq-cta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.page-faq .faq-cta h2 {
  margin: 0 0 6px;
  color: var(--ft-white);
  font-size: clamp(20px, 3.2vw, 26px);
  line-height: 1.25;
}

.page-faq .faq-cta p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ft-muted);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-q {
    font-size: 17.5px;
  }

  .page-faq .faq-pause__inner {
    padding: 24px 28px;
  }

  .page-faq .faq-answer {
    padding-left: 26px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-block: 34px 70px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
    gap: 52px;
    margin-top: 26px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-group__body {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 44px;
    align-items: start;
  }
}

@media (max-width: 719px) {
  .page-faq .faq-item summary {
    gap: 10px;
    padding-block: 16px;
  }

  .page-faq .faq-answer {
    margin-left: 0;
    padding-left: 0;
    border-left: 0;
    font-size: 14.5px;
  }

  .page-faq .faq-jump a {
    font-size: 10.5px;
    padding: 7px 10px;
  }

  .page-faq .faq-path {
    gap: 8px;
    flex-direction: column;
    align-items: flex-start;
  }

  .page-faq .faq-path li + li::before {
    display: none;
  }

  .page-faq .faq-cta__actions {
    width: 100%;
  }
}

.page-faq {
  --ft-dark: currentColor;
}