.page-faq {
  --faq-edge: rgba(17, 16, 14, .12);
  --faq-edge-light: rgba(247, 242, 232, .18);
}

.page-faq .faq-hero {
  padding: 1.5rem 0 2.75rem;
  background:
    radial-gradient(120% 100% at 92% -10%, rgba(196, 61, 43, .10), rgba(196, 61, 43, 0) 62%),
    radial-gradient(80% 90% at 4% 110%, rgba(46, 90, 73, .10), rgba(46, 90, 73, 0) 60%);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-faq .faq-hero__main h1 {
  margin: .8rem 0 1rem;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.85rem, 6.2vw, 3.05rem);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--ink);
  max-width: 17em;
}

.page-faq .faq-hero__main .lead {
  max-width: 34em;
}

.page-faq .faq-hero__panel {
  align-self: start;
  background: var(--paper);
  border: 1px solid var(--faq-edge);
  border-radius: 6px;
  padding: 1.15rem 1.25rem 1rem;
}

.page-faq .faq-hero__panel .panel__head {
  font-family: var(--serif);
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-hero__panel .panel__value {
  color: var(--bronze);
}

.page-faq .faq-body {
  padding: 2.75rem 0 4rem;
}

.page-faq .faq-body__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
}

.page-faq .faq-rail {
  border-top: 2px solid var(--ink);
  padding-top: 1rem;
}

.page-faq .faq-rail .rail__title {
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin: 0 0 .85rem;
}

.page-faq .faq-rail .rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .45rem 1rem;
}

.page-faq .faq-rail .rail__link {
  display: block;
  padding: .3rem 0;
  font-size: .9rem;
  color: var(--ink-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-rail .rail__link:hover,
.page-faq .faq-rail .rail__link:focus-visible {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

.page-faq .faq-rail .rail__link.is-active,
.page-faq .faq-rail .rail__link[aria-current] {
  color: var(--ink);
  font-weight: 600;
  border-bottom-color: var(--sand);
}

.page-faq .faq-flow {
  display: grid;
  gap: 3.5rem;
  min-width: 0;
}

.page-faq .faq-block {
  min-width: 0;
  scroll-margin-top: 5.5rem;
}

.page-faq .faq-block h2 {
  margin: .7rem 0 .9rem;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.4rem, 4.4vw, 2rem);
  line-height: 1.28;
  color: var(--ink);
  max-width: 22em;
}

.page-faq .faq-block h3 {
  margin: 0 0 .3rem;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.03rem;
  line-height: 1.4;
  color: var(--ink);
}

.page-faq .faq-block p {
  margin: 0 0 .6rem;
  color: var(--ink-2);
  line-height: 1.85;
}

/* 步骤序列 */
.page-faq .steps {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
  counter-reset: none;
}

.page-faq .step {
  display: grid;
  grid-template-columns: 2.35rem minmax(0, 1fr);
  gap: .85rem;
  padding-top: 1.05rem;
  border-top: 1px solid var(--faq-edge);
}

.page-faq .step__no {
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--cinnabar);
  line-height: 1.5;
}

.page-faq .step__body p {
  margin: 0;
  font-size: .95rem;
}

/* 深色换机章节 */
.page-faq .faq-block--ink {
  background: var(--deep);
  border-radius: 8px;
  padding: 2rem 1.25rem 1.75rem;
  color: var(--paper);
}

.page-faq .faq-block--ink h2,
.page-faq .faq-block--ink h3 {
  color: var(--paper);
}

.page-faq .faq-block--ink p {
  color: rgba(247, 242, 232, .82);
}

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

.page-faq .faq-glyph {
  width: 78px;
  height: 78px;
  color: var(--sand);
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: .9;
}

.page-faq .steps--ink .step {
  border-top-color: var(--faq-edge-light);
}

.page-faq .steps--ink .step__no {
  color: var(--sand);
}

.page-faq .faq-note {
  margin-top: 1.4rem;
  padding: .85rem 1rem;
  border-left: 3px solid var(--bronze-light);
  background: rgba(247, 242, 232, .06);
  font-size: .92rem;
  color: rgba(247, 242, 232, .88);
}

.page-faq .faq-block--ink .figure {
  margin: 1.75rem 0 0;
}

.page-faq .faq-figure .figure__frame {
  border: 1px solid var(--faq-edge);
  border-radius: 6px;
  overflow: hidden;
  background: var(--stone);
}

.page-faq .faq-block--ink .faq-figure .figure__frame {
  border-color: var(--faq-edge-light);
}

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

.page-faq .faq-figure .figure__caption {
  margin-top: .55rem;
  font-size: .82rem;
  color: var(--mist);
}

.page-faq .faq-block--ink .faq-figure .figure__caption {
  color: rgba(247, 242, 232, .62);
}

/* 记录查看方式 */
.page-faq .faq-ways {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
}

.page-faq .faq-ways__item {
  display: grid;
  grid-template-columns: 1.9rem minmax(0, 1fr);
  gap: .8rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--faq-edge);
}

.page-faq .faq-ways__no {
  font-size: 1rem;
  font-weight: 600;
  color: var(--bronze);
  line-height: 1.5;
}

.page-faq .faq-ways__item p {
  margin: 0;
  font-size: .94rem;
}

/* 资料库章节 */
.page-faq .faq-block--stone {
  background: var(--stone);
  border-radius: 8px;
  padding: 1.9rem 1.25rem;
}

.page-faq .faq-lib {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.page-faq .faq-lib__col {
  border-top: 2px solid var(--bronze);
  padding-top: .85rem;
}

.page-faq .faq-lib__col p {
  margin: 0;
  font-size: .94rem;
}

.page-faq .faq-block--stone .faq-figure {
  margin: 1.75rem 0 0;
}

/* 问答 */
.page-faq .qa-list {
  margin: 1.6rem 0 0;
  border-top: 1px solid var(--faq-edge);
}

.page-faq .qa {
  border-bottom: 1px solid var(--faq-edge);
}

.page-faq .qa__summary {
  display: flex;
  align-items: baseline;
  gap: .8rem;
  padding: 1rem .1rem;
  cursor: pointer;
  font-weight: 600;
  font-size: .98rem;
  color: var(--ink);
  list-style: none;
  transition: color .2s var(--ease);
}

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

.page-faq .qa__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--mono);
  font-size: 1.05rem;
  color: var(--bronze-light);
  transition: transform .2s var(--ease), color .2s var(--ease);
}

.page-faq .qa[open] .qa__summary::after {
  content: "–";
  color: var(--cinnabar);
}

.page-faq .qa__summary:hover {
  color: var(--cinnabar);
}

.page-faq .qa__mark {
  color: var(--sand);
  font-size: .84rem;
  font-weight: 600;
}

.page-faq .qa[open] .qa__mark {
  color: var(--cinnabar);
}

.page-faq .qa__body {
  padding: 0 .1rem 1.15rem 2.05rem;
}

.page-faq .qa__body p {
  margin: 0;
  font-size: .94rem;
}

/* 客服区块 */
.page-faq .faq-help {
  margin-top: 2.25rem;
  padding: 1.5rem 1.25rem;
  border: 1px solid var(--faq-edge);
  border-left: 4px solid var(--cinnabar);
  border-radius: 6px;
  background: var(--paper);
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 1rem 0 1.3rem;
  padding: 0;
  display: grid;
  gap: .5rem;
}

.page-faq .faq-help__list li {
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr);
  gap: .6rem;
  font-size: .9rem;
  padding-bottom: .5rem;
  border-bottom: 1px dashed var(--line-soft);
}

.page-faq .faq-help__k {
  color: var(--mist);
}

.page-faq .faq-help__list .mono {
  color: var(--ink);
  word-break: break-all;
}

/* 继续了解 */
.page-faq .faq-block--more {
  border-top: 2px solid var(--ink);
  padding-top: 1.75rem;
}

.page-faq .faq-next {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: .9rem;
}

.page-faq .faq-next a {
  display: grid;
  grid-template-columns: 1.9rem minmax(0, 1fr);
  gap: .3rem .8rem;
  padding: 1rem .9rem;
  border: 1px solid var(--faq-edge);
  border-radius: 6px;
  text-decoration: none;
  transition: border-color .2s var(--ease), transform .2s var(--ease), background-color .2s var(--ease);
}

.page-faq .faq-next a:hover,
.page-faq .faq-next a:focus-visible {
  border-color: var(--cinnabar);
  background: rgba(196, 61, 43, .04);
  transform: translateX(3px);
}

.page-faq .faq-next__no {
  color: var(--sand);
  font-size: .95rem;
  font-weight: 600;
}

.page-faq .faq-next__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
}

.page-faq .faq-next__desc {
  grid-column: 2;
  font-size: .9rem;
  color: var(--ink-2);
  line-height: 1.7;
}

/* 响应式 */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding-top: 2rem;
  }

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

  .page-faq .faq-block--ink,
  .page-faq .faq-block--stone {
    padding: 2.4rem 2rem;
  }

  .page-faq .faq-lib {
    grid-template-columns: 1fr 1fr;
    gap: 1.75rem;
  }

  .page-faq .faq-next a {
    grid-template-columns: 1.9rem minmax(0, 1fr);
    align-items: baseline;
  }

  .page-faq .faq-ink__head {
    grid-template-columns: minmax(0, 1fr) 96px;
    gap: 1.5rem;
  }

  .page-faq .faq-glyph {
    width: 92px;
    height: 92px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-hero {
    padding: 2.5rem 0 3.5rem;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .85fr);
    gap: 4rem;
    align-items: end;
  }

  .page-faq .faq-body__grid {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 4.5rem;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 5.5rem;
  }

  .page-faq .faq-rail .rail__list {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .page-faq .faq-rail .rail__link {
    padding: .5rem 0;
    border-bottom: 1px solid var(--line-soft);
  }

  .page-faq .faq-rail .rail__link.is-active,
  .page-faq .faq-rail .rail__link[aria-current] {
    border-bottom-color: var(--sand);
  }

  .page-faq .steps {
    gap: 1.35rem;
  }

  .page-faq .step {
    grid-template-columns: 3rem minmax(0, 1fr);
    gap: 1.25rem;
    padding-top: 1.25rem;
  }

  .page-faq .step__no {
    font-size: 1.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-next a,
  .page-faq .qa__summary,
  .page-faq .qa__summary::after,
  .page-faq .faq-rail .rail__link {
    transition: none;
  }
}