.page-faq {
  --faq-rail: 236px;
  --faq-radius: 0;
  background:
    radial-gradient(1100px 520px at 88% -8%, rgba(53, 224, 232, .09), transparent 62%),
    radial-gradient(800px 420px at 4% 24%, rgba(255, 106, 43, .07), transparent 65%),
    var(--ink-1);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-faq .breadcrumb {
  padding-top: 18px;
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .35rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-faq .breadcrumb li {
  display: flex;
  align-items: center;
  gap: .35rem;
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  color: rgba(143, 163, 184, .45);
}

.page-faq .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--line-signal);
}

.page-faq .breadcrumb [aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(26px, 5vw, 52px) 0 clamp(22px, 4vw, 40px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-faq .kicker {
  margin: 0 0 .75rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-faq h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 7.2vw, 3.4rem);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 44ch;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(242, 246, 250, .78);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.5rem;
}

.page-faq .faq-hero__actions .btn {
  font-size: .92rem;
  padding: .72rem 1.3rem;
}

.page-faq .faq-facts {
  display: grid;
  gap: 1px;
  margin: 1.7rem 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-facts li {
  display: grid;
  gap: .25rem;
  padding: .7rem .1rem;
  background: var(--ink-1);
}

.page-faq .faq-facts__label {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-faq .faq-facts__value {
  font-size: .9rem;
  font-weight: 600;
  color: var(--paper);
}

/* ---------- 图片容器 ---------- */
.page-faq .faq-figure {
  margin: 0;
  background: var(--ink-3);
  border-left: 3px solid var(--signal);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

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

.page-faq .faq-figure .media__caption {
  font-size: .76rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-faq .faq-figure--filter {
  aspect-ratio: 3 / 2;
  max-width: 520px;
  margin: 0 0 1.4rem;
  display: grid;
  grid-template-rows: 1fr auto;
}

/* ---------- 主体：索引 + 问答 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  padding-bottom: clamp(36px, 6vw, 72px);
}

.page-faq .faq-index__title {
  margin: 0 0 .7rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-index ol {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index a {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  padding: .45rem .7rem;
  font-size: .85rem;
  line-height: 1.4;
  color: var(--mist);
  text-decoration: none;
  background: rgba(16, 41, 77, .55);
  border: 1px solid var(--line-soft);
  transition: color .16s var(--ease), border-color .16s var(--ease), background .16s var(--ease);
}

.page-faq .faq-index a span {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .06em;
  color: var(--signal);
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  color: var(--paper);
  border-color: var(--line-signal);
  background: rgba(53, 224, 232, .1);
}

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

.page-faq .faq-index__top {
  display: none;
}

/* ---------- 问答块 ---------- */
.page-faq .faq-flow {
  min-width: 0;
}

.page-faq .faq-block {
  padding: clamp(18px, 3vw, 30px) 0;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 96px;
}

.page-faq .faq-block__head {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  margin-bottom: .55rem;
}

.page-faq .faq-block__num {
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .1em;
  color: var(--lava);
  flex: none;
}

.page-faq .faq-block h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 4.6vw, 2rem);
  line-height: 1.18;
  color: var(--paper);
}

.page-faq .faq-block__clue {
  display: flex;
  gap: .55rem;
  align-items: flex-start;
  margin: 0 0 1rem;
  padding-left: .8rem;
  border-left: 2px solid var(--line-signal);
  font-size: .9rem;
  line-height: 1.7;
  color: rgba(242, 246, 250, .72);
}

.page-faq .faq-block__clue .status-dot {
  margin-top: .5rem;
  flex: none;
}

.page-faq .status-dot--signal {
  background: var(--signal);
}

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

.page-faq .faq-q summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: .85rem 0;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--paper);
  transition: color .16s var(--ease);
}

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

.page-faq .faq-q summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1.35;
  color: var(--signal);
}

.page-faq .faq-q[open] summary::after {
  content: "−";
}

.page-faq .faq-q summary:hover {
  color: var(--signal);
}

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

.page-faq .faq-a {
  padding: 0 0 1rem;
  font-size: .95rem;
  line-height: 1.8;
  color: rgba(242, 246, 250, .82);
}

.page-faq .faq-a p {
  margin: 0 0 .8rem;
  max-width: 64ch;
}

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

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

.page-faq .faq-a a:hover,
.page-faq .faq-a a:focus-visible {
  border-bottom-color: var(--signal);
}

.page-faq .faq-a code {
  font-family: var(--font-mono);
  font-size: .86em;
  color: var(--signal);
  background: rgba(16, 41, 77, .8);
  padding: .05em .35em;
}

.page-faq .faq-steps {
  counter-reset: step;
  display: grid;
  gap: .6rem;
  margin: .2rem 0 .9rem;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: .6rem;
  align-items: start;
  font-size: .95rem;
  line-height: 1.75;
}

.page-faq .faq-steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: .76rem;
  line-height: 1.9;
  color: var(--signal);
}

.page-faq .faq-defs {
  display: grid;
  gap: .7rem;
  margin: .2rem 0 .9rem;
  padding: 0;
  list-style: none;
}

.page-faq .faq-defs li {
  padding: .6rem .8rem;
  background: rgba(16, 41, 77, .5);
  border-left: 2px solid var(--line-signal);
  font-size: .94rem;
  line-height: 1.75;
}

.page-faq .faq-defs b {
  color: var(--signal);
  font-weight: 600;
  margin-right: .35rem;
}

.page-faq .faq-top-link {
  display: inline-block;
  margin-top: 1.2rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: .2rem;
}

.page-faq .faq-top-link:hover,
.page-faq .faq-top-link:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--line-signal);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-next {
  background:
    linear-gradient(180deg, rgba(11, 31, 58, .2), rgba(2, 7, 13, .92)),
    var(--ink-2);
  border-top: 1px solid var(--line-soft);
  padding: clamp(28px, 5vw, 58px) 0 clamp(36px, 6vw, 68px);
}

.page-faq .faq-next__grid {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}

.page-faq .faq-next h2 {
  margin: 0 0 .7rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.4rem, 4.2vw, 1.9rem);
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-next__lead p {
  margin: 0;
  max-width: 46ch;
  font-size: .95rem;
  line-height: 1.8;
  color: rgba(242, 246, 250, .75);
}

.page-faq .faq-next__links {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
}

.page-faq .faq-next__links a {
  display: block;
  padding: .8rem .9rem;
  background: rgba(6, 20, 39, .9);
  font-size: .92rem;
  color: var(--paper);
  text-decoration: none;
  transition: background .16s var(--ease), color .16s var(--ease), padding-left .16s var(--ease);
}

.page-faq .faq-next__links a:hover,
.page-faq .faq-next__links a:focus-visible {
  background: rgba(53, 224, 232, .12);
  color: var(--signal);
  padding-left: 1.2rem;
}

.page-faq .faq-next__links a:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: -2px;
}

.page-faq .faq-next__contact p {
  margin: 0 0 .4rem;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-next__mail {
  font-family: var(--font-mono);
  font-size: .84rem;
  letter-spacing: .02em;
  color: var(--signal);
}

.page-faq .faq-next__hours {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: rgba(143, 163, 184, .85);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-next__grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-faq .faq-next__contact {
    grid-column: 1 / -1;
    display: flex;
    flex-wrap: wrap;
    gap: .4rem 1.6rem;
    border-top: 1px solid var(--line-soft);
    padding-top: 1rem;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: center;
  }

  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    align-items: start;
  }

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

  .page-faq .faq-index ol {
    display: grid;
    gap: .2rem;
  }

  .page-faq .faq-index a {
    padding: .5rem .1rem;
    background: none;
    border: none;
    border-left: 2px solid var(--line-soft);
    padding-left: .8rem;
    font-size: .9rem;
  }

  .page-faq .faq-index a:hover,
  .page-faq .faq-index a:focus-visible {
    background: none;
    border-left-color: var(--signal);
    color: var(--paper);
  }

  .page-faq .faq-index__top {
    display: inline-block;
    margin-top: 1rem;
    font-family: var(--font-mono);
    font-size: .72rem;
    letter-spacing: .1em;
    color: var(--mist);
    text-decoration: none;
    border-bottom: 1px solid var(--line-soft);
  }

  .page-faq .faq-index__top:hover,
  .page-faq .faq-index__top:focus-visible {
    color: var(--signal);
    border-bottom-color: var(--line-signal);
  }

  .page-faq .faq-next__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
    column-gap: clamp(28px, 4vw, 60px);
  }

  .page-faq .faq-next__contact {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index a,
  .page-faq .faq-q summary,
  .page-faq .faq-next__links a,
  .page-faq .breadcrumb a {
    transition: none;
  }
}