.page-faq {
  background: var(--cream);
  color: var(--charcoal);
  font-size: var(--fs-body);
  line-height: 1.75;
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 36px 0 60px;
  background:
    radial-gradient(120% 95% at 88% 0%, rgba(255, 106, 43, .2) 0%, rgba(255, 106, 43, 0) 58%),
    radial-gradient(90% 85% at 4% 100%, rgba(79, 160, 139, .16) 0%, rgba(79, 160, 139, 0) 62%),
    linear-gradient(158deg, var(--ink) 0%, var(--ink-2) 62%, var(--ink-3) 100%);
  color: var(--light);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(216, 222, 229, .055) 1px, transparent 1px);
  background-size: 100% 46px;
  pointer-events: none;
}

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

.page-faq .faq-hero-grid {
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-faq .faq-hero-media {
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid rgba(216, 222, 229, .18);
  background: rgba(18, 48, 74, .55);
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .faq-hero .crumb {
  margin: 0 0 14px;
  font-size: var(--fs-small);
  color: rgba(216, 222, 229, .7);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.page-faq .faq-hero .crumb a {
  color: var(--light);
  text-decoration: none;
  border-bottom: 1px solid rgba(228, 178, 76, .55);
  padding-bottom: 1px;
}

.page-faq .faq-hero .crumb a:hover {
  color: var(--gold);
}

.page-faq .faq-hero .eyebrow {
  color: var(--gold);
  margin: 0;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(2.35rem, 7.6vw, 4.15rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: .01em;
  color: #fff;
}

.page-faq .faq-hero-lede {
  margin: 20px 0 0;
  max-width: 48ch;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: rgba(216, 222, 229, .87);
}

.page-faq .faq-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 0;
}

/* ---------- 主体骨架 ---------- */

.page-faq .faq-body {
  padding: 48px 0 72px;
}

.page-faq .faq-layout {
  display: grid;
  gap: 32px;
}

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

.page-faq .faq-index {
  border-top: 2px solid var(--charcoal);
  padding-top: 16px;
}

.page-faq .faq-index-title {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-index-list li {
  flex: 0 0 auto;
}

.page-faq .faq-index-list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line-dark);
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, .6);
  color: var(--charcoal);
  font-size: var(--fs-small);
  text-decoration: none;
  white-space: nowrap;
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}

.page-faq .faq-index-num {
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--brick);
}

.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--cream);
}

.page-faq .faq-index-list a:hover .faq-index-num,
.page-faq .faq-index-list a:focus-visible .faq-index-num {
  color: var(--gold);
}

/* ---------- 问答流 ---------- */

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

.page-faq .faq-group {
  scroll-margin-top: 108px;
  margin-bottom: 52px;
}

.page-faq .faq-group-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--charcoal);
  margin-bottom: 22px;
}

.page-faq .faq-group-num {
  font-family: var(--mono);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-faq .faq-group-title {
  margin: 0;
  font-size: clamp(1.4rem, 3.6vw, 1.95rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: .02em;
  color: var(--charcoal);
}

.page-faq .faq-group-note {
  grid-column: 2;
  margin: 0;
  font-size: var(--fs-small);
  color: rgba(15, 20, 24, .6);
}

.page-faq .faq-item {
  background: #fff;
  border: 1px solid var(--line-dark);
  border-radius: var(--r-md);
  margin-bottom: 12px;
  box-shadow: 0 1px 0 rgba(15, 20, 24, .03);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(255, 106, 43, .45);
  box-shadow: 0 12px 30px rgba(10, 26, 42, .09);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--charcoal);
  border-radius: var(--r-md);
}

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

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

.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-faq .faq-q-num {
  flex: 0 0 auto;
  margin-top: 3px;
  padding: 2px 8px;
  border-radius: var(--r-sm);
  background: var(--ink);
  color: var(--gold);
  font-family: var(--mono);
  font-size: .8125rem;
  letter-spacing: .06em;
  transition: background .25s var(--ease), color .25s var(--ease);
}

.page-faq .faq-q:hover .faq-q-num {
  background: var(--orange);
  color: #fff;
}

.page-faq .faq-q-text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-chevron {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-top: 9px;
  border-right: 2px solid var(--orange);
  border-bottom: 2px solid var(--orange);
  transform: rotate(45deg);
  transition: transform .3s var(--ease);
}

.page-faq .faq-item[open] .faq-chevron {
  transform: rotate(225deg);
  margin-top: 13px;
}

.page-faq .faq-a {
  margin: 0;
  padding: 0 18px 20px;
  color: rgba(15, 20, 24, .78);
  line-height: 1.8;
}

.page-faq .faq-a a {
  color: var(--brick);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 72, 47, .45);
}

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

.page-faq .faq-kw {
  font-weight: 600;
  color: var(--charcoal);
  background-image: linear-gradient(to top, rgba(228, 178, 76, .5) 0%, rgba(228, 178, 76, .5) 36%, rgba(228, 178, 76, 0) 36%);
  padding: 0 1px;
}

/* ---------- 中段配图 ---------- */

.page-faq .faq-figure {
  margin: 0 0 52px;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line-dark);
  background: var(--ink-2);
}

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

.page-faq .faq-figure figcaption {
  padding: 12px 20px 14px;
  background: var(--ink);
  color: rgba(216, 222, 229, .85);
  font-size: var(--fs-small);
  letter-spacing: .02em;
}

/* ---------- 收尾 ---------- */

.page-faq .faq-outro {
  padding: 28px 22px 30px;
  border-radius: var(--r-lg);
  background: linear-gradient(140deg, var(--ink-2) 0%, var(--ink) 100%);
  color: var(--light);
}

.page-faq .faq-outro-title {
  margin: 0;
  font-size: clamp(1.25rem, 3vw, 1.6rem);
  font-weight: 900;
  letter-spacing: .02em;
  color: #fff;
}

.page-faq .faq-outro-text {
  margin: 12px 0 0;
  max-width: 52ch;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: rgba(216, 222, 229, .84);
}

.page-faq .faq-outro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 600px) {
  .page-faq .faq-q {
    padding: 18px 22px;
    gap: 16px;
  }

  .page-faq .faq-a {
    padding: 0 32px 22px 74px;
  }

  .page-faq .faq-outro {
    padding: 34px 32px 36px;
  }
}

@media (min-width: 768px) {
  .page-faq .faq-body {
    padding: 64px 0 88px;
  }

  .page-faq .faq-hero {
    padding: 48px 0 76px;
  }

  .page-faq .faq-hero-lede {
    font-size: 1.125rem;
  }

  .page-faq .faq-group {
    margin-bottom: 64px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: 60px;
  }

  .page-faq .faq-hero-media {
    order: 1;
  }

  .page-faq .faq-hero-copy {
    order: 2;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

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

  .page-faq .faq-index-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index-list a {
    border: 0;
    border-radius: var(--r-sm);
    padding: 9px 12px;
    background: transparent;
    white-space: normal;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-layout {
    grid-template-columns: 272px minmax(0, 1fr);
    gap: 80px;
  }
}