.page-faq {
  --faq-body-max: 40em;
}

/* ============ 首屏 ============ */
.page-faq .faq-hero {
  padding: 26px 0 44px;
  background:
    radial-gradient(115% 88% at 92% -12%, rgba(255, 106, 43, .13), transparent 62%),
    linear-gradient(180deg, var(--silver-100) 0%, #fff 84%);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-hero .crumbs {
  margin-bottom: 26px;
}

.page-faq .faq-hero .eyebrow {
  margin: 0 0 14px;
}

.page-faq .faq-hero h1 {
  max-width: 15em;
  margin: 0 0 20px;
  font-size: clamp(2.05rem, 6.4vw, 4rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--c-text);
}

.page-faq .faq-hero .lead {
  max-width: 44em;
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--c-text-muted);
}

.page-faq .faq-hero__figure {
  margin: 32px 0 0;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: var(--silver-100);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(190px, 27vw, 320px);
  object-fit: cover;
}

/* ============ 分组索引条 ============ */
.page-faq .faq-index-wrap {
  padding: 0 0 4px;
  background: #fff;
}

.page-faq .faq-index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
}

.page-faq .faq-index__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 15px 16px;
  background: #fff;
  color: var(--c-text);
  text-decoration: none;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-index__item:hover,
.page-faq .faq-index__item:focus-visible {
  background: var(--orange-200);
}

.page-faq .faq-index__num {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--orange-500);
}

.page-faq .faq-index__label {
  font-size: .9375rem;
  font-weight: 600;
  letter-spacing: -.01em;
}

.page-faq .faq-index__count {
  margin-left: auto;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-text-muted);
}

/* ============ 主体骨架 ============ */
.page-faq .faq-body {
  padding: 56px 0 88px;
  background: #fff;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 52px;
  align-items: start;
}

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

/* ============ 分组 ============ */
.page-faq .faq-group {
  margin-bottom: 64px;
  scroll-margin-top: 120px;
}

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

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  align-items: end;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line-strong);
}

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

.page-faq .faq-group__num {
  display: block;
  margin-bottom: 12px;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--orange-500);
}

.page-faq .faq-group__head h2 {
  margin: 0 0 10px;
  font-size: clamp(1.4rem, 3.4vw, 1.9rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--c-text);
}

.page-faq .faq-group__head h2::before {
  content: "";
  display: block;
  width: 26px;
  height: 2px;
  margin-bottom: 12px;
  border-radius: 2px;
  background: var(--jade-500);
}

.page-faq .faq-group__note {
  max-width: 36em;
  margin: 0;
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--c-text-muted);
}

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

.page-faq .faq-group__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
}

.page-faq .faq-group__figure figcaption {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-text-muted);
}

/* ============ 问题条 ============ */
.page-faq .faq-list {
  margin-top: 2px;
}

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

.page-faq .faq-item summary {
  position: relative;
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 18px 38px 18px 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::before,
.page-faq .faq-item summary::after {
  content: "";
  position: absolute;
  right: 6px;
  top: 50%;
  width: 13px;
  height: 1.5px;
  background: var(--silver-400);
  transition: transform .24s var(--ease), background .24s var(--ease);
}

.page-faq .faq-item summary::before {
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .faq-item summary::after {
  transform: translateY(-50%) rotate(0deg);
}

.page-faq .faq-item[open] summary::before {
  transform: translateY(-50%) rotate(0deg);
}

.page-faq .faq-item summary:hover::before,
.page-faq .faq-item summary:hover::after,
.page-faq .faq-item[open] summary::before,
.page-faq .faq-item[open] summary::after {
  background: var(--orange-500);
}

.page-faq .faq-item__num {
  flex: 0 0 24px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--silver-400);
  transition: color .2s var(--ease);
}

.page-faq .faq-item summary:hover .faq-item__num,
.page-faq .faq-item[open] .faq-item__num {
  color: var(--orange-500);
}

.page-faq .faq-item__q {
  min-width: 0;
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: -.005em;
  color: var(--c-text);
}

.page-faq .faq-item__body {
  margin: 0 0 20px;
  padding: 18px 20px 20px;
  background: var(--paper-100);
  border-left: 2px solid var(--orange-500);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}

.page-faq .faq-item[open] .faq-item__body {
  animation: faq-body-in .32s var(--ease) both;
}

@keyframes faq-body-in {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .faq-item__body p {
  max-width: var(--faq-body-max);
  margin: 0;
  font-size: .9688rem;
  line-height: 1.85;
  color: var(--c-text);
}

.page-faq .faq-item__body p + p {
  margin-top: 10px;
}

.page-faq .faq-item__body a {
  color: var(--orange-500);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 106, 43, .38);
  transition: border-color .2s var(--ease);
}

.page-faq .faq-item__body a:hover {
  border-bottom-color: var(--orange-500);
}

/* ============ 右侧对接引导 ============ */
.page-faq .faq-aside {
  min-width: 0;
}

.page-faq .faq-cta {
  position: relative;
  overflow: hidden;
  padding: 30px 26px 28px;
  border: 1px solid var(--line-inv-soft);
  border-radius: var(--r-lg);
  background: var(--navy-900);
  color: var(--c-text-inv);
  box-shadow: var(--shadow-2);
}

.page-faq .faq-cta::after {
  content: "04";
  position: absolute;
  right: -10px;
  bottom: -38px;
  font-family: var(--font-mono);
  font-size: 9rem;
  line-height: 1;
  letter-spacing: .04em;
  color: rgba(199, 205, 214, .08);
  pointer-events: none;
}

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

.page-faq .faq-cta .eyebrow {
  margin: 0;
  color: var(--orange-500);
}

.page-faq .faq-cta .eyebrow::before {
  background: var(--orange-500);
}

.page-faq .faq-cta__title {
  margin: 12px 0 10px;
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -.01em;
  color: #fff;
}

.page-faq .faq-cta__text {
  margin: 0 0 20px;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--c-text-inv-muted);
}

.page-faq .faq-cta__meta {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line-inv);
  list-style: none;
}

.page-faq .faq-cta__meta li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  font-size: .8125rem;
  line-height: 1.6;
}

.page-faq .faq-cta__k {
  flex: 0 0 62px;
  letter-spacing: .08em;
  color: var(--c-text-inv-muted);
}

.page-faq .faq-cta__v {
  min-width: 0;
  font-family: var(--font-mono);
  letter-spacing: .04em;
  color: var(--c-text-inv);
  word-break: break-all;
}

.page-faq .faq-cta__alt {
  margin: 18px 0 0;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--c-text-inv-muted);
}

.page-faq .faq-cta__alt a {
  color: var(--orange-500);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 106, 43, .4);
}

.page-faq .faq-cta__alt a:hover {
  border-bottom-color: var(--orange-500);
}

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

@media (min-width: 720px) {
  .page-faq .faq-group__head--split {
    grid-template-columns: minmax(0, 1fr) 176px;
  }

  .page-faq .faq-item__body {
    margin-left: 24px;
    padding: 20px 24px 22px 26px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding: 34px 0 56px;
  }

  .page-faq .faq-body {
    padding: 72px 0 104px;
  }

  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3.4fr);
    gap: 60px;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: 104px;
  }

  .page-faq .faq-group {
    margin-bottom: 76px;
  }
}

@media (max-width: 719px) {
  .page-faq .faq-group__figure {
    max-width: 260px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-item__body {
    animation: none;
  }

  .page-faq .faq-item summary::before,
  .page-faq .faq-item summary::after,
  .page-faq .faq-item__num,
  .page-faq .faq-index__item {
    transition: none;
  }
}