.page-faq {
  --faq-line: rgba(138, 148, 166, 0.26);
  --faq-line-2: rgba(138, 148, 166, 0.14);
  --faq-ink-soft: rgba(247, 249, 252, 0.78);
  --faq-dark-soft: rgba(16, 24, 32, 0.78);
  background: var(--ink);
  color: var(--light);
  font-family: var(--font-sans);
  min-width: 0;
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--faq-line);
  background:
    radial-gradient(115% 90% at 92% -20%, rgba(0, 229, 199, 0.18), transparent 62%),
    radial-gradient(90% 80% at -10% 115%, rgba(255, 107, 53, 0.14), transparent 60%),
    linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(138, 148, 166, 0.09) 0 1px, transparent 1px 68px),
    repeating-linear-gradient(0deg, rgba(138, 148, 166, 0.09) 0 1px, transparent 1px 68px);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 88%);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.75rem;
  padding-block: 2rem 2.5rem;
}

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

.page-faq .faq-hero .wb-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin: 0 0 1rem;
  font-size: 0.8125rem;
  color: var(--muted);
}

.page-faq .faq-hero .wb-breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

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

.page-faq .faq-hero .wb-breadcrumb a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-hero__copy .wb-title {
  margin: 0.5rem 0 0;
  letter-spacing: -0.01em;
}

.page-faq .faq-keyfacts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0 0;
  padding: 0;
}

.page-faq .faq-keyfacts li {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--faq-line);
  border-radius: 999px;
  background: rgba(0, 229, 199, 0.05);
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--faq-ink-soft);
}

.page-faq .faq-keyfacts b {
  font-family: var(--font-num);
  font-style: italic;
  font-weight: 900;
  font-size: 0.875rem;
  color: var(--cyan);
}

/* ---------- 图片容器 ---------- */
.page-faq .faq-shot {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  background: var(--ink-3);
  box-shadow: var(--shadow-soft);
  aspect-ratio: 12 / 7;
}

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

.page-faq .faq-shot--steps {
  aspect-ratio: 3 / 2;
  margin: 1.25rem 0 1.5rem;
  border-color: rgba(16, 24, 32, 0.18);
  box-shadow: none;
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.75rem;
  padding-block: 2.25rem 3.5rem;
}

.page-faq .faq-cats {
  min-width: 0;
  align-self: start;
}

.page-faq .faq-cats__title {
  margin: 0 0 0.6rem;
  font-family: var(--font-num);
  font-style: italic;
  font-weight: 900;
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-cats__list {
  list-style: none;
  display: flex;
  gap: 0.4rem;
  margin: 0;
  padding: 0 0 0.3rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-faq .faq-cats__list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-cats__link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  background: rgba(18, 41, 79, 0.55);
  color: var(--light);
  font-size: 0.8125rem;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-cats__link:hover {
  border-color: var(--cyan);
  background: var(--cyan-soft);
  color: var(--cyan);
}

.page-faq .faq-cats__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-color: var(--cyan);
}

.page-faq .faq-cats__idx {
  font-family: var(--font-num);
  font-style: italic;
  font-weight: 900;
  font-size: 0.6875rem;
  color: var(--magenta);
}

.page-faq .faq-stream {
  display: grid;
  gap: 2.75rem;
  min-width: 0;
}

/* ---------- 问答分区 ---------- */
.page-faq .faq-block {
  min-width: 0;
  scroll-margin-top: 5.5rem;
}

.page-faq .faq-block__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  align-items: baseline;
  margin-bottom: 0.75rem;
  padding-top: 1rem;
  border-top: 2px solid var(--cyan);
}

.page-faq .faq-block__head .wb-heading {
  margin: 0;
  line-height: 1.35;
}

.page-faq .faq-block__num {
  margin: 0;
  font-family: var(--font-num);
  font-style: italic;
  font-weight: 900;
  font-size: 1.25rem;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-faq .faq-block__sub {
  margin: 0.35rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .faq-block--export .faq-block__head {
  border-top-color: var(--orange);
}

.page-faq .faq-block--export .faq-block__num {
  color: var(--orange);
}

.page-faq .faq-block--device .faq-block__head {
  border-top-color: var(--magenta);
}

.page-faq .faq-block--device .faq-block__num {
  color: var(--magenta);
}

.page-faq .faq-block--update .faq-block__head {
  border-top-color: var(--paper-2);
}

.page-faq .faq-block--update .faq-block__num {
  color: var(--paper);
}

/* 暖纸阅读区 */
.page-faq .faq-block--export {
  padding: 1.5rem 1.25rem 1.75rem;
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--dark);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-block--export .faq-block__head {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-block--export .wb-heading {
  color: var(--dark);
}

.page-faq .faq-block--export .faq-block__sub {
  color: rgba(16, 24, 32, 0.6);
}

.page-faq .faq-block--export .qa {
  border-bottom-color: rgba(16, 24, 32, 0.14);
}

.page-faq .faq-block--export .qa__q {
  color: var(--dark);
}

.page-faq .faq-block--export .qa__q:hover {
  color: var(--magenta);
}

.page-faq .faq-block--export .qa__q::after {
  color: var(--magenta);
}

.page-faq .faq-block--export .qa__q:focus-visible {
  outline-color: var(--magenta);
}

.page-faq .faq-block--export .qa__a {
  color: var(--faq-dark-soft);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.9rem 0.15rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--light);
  transition: color 0.18s var(--ease);
}

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

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

.page-faq .qa__q:hover {
  color: var(--cyan);
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
  border-radius: var(--radius);
}

.page-faq .qa__q::after {
  content: "+";
  margin-inline-start: auto;
  flex: 0 0 auto;
  font-family: var(--font-num);
  font-style: italic;
  font-weight: 900;
  font-size: 1.1rem;
  line-height: 1.35;
  color: var(--cyan);
  transition: transform 0.22s var(--ease);
}

.page-faq .qa[open] > .qa__q::after {
  transform: rotate(45deg);
}

.page-faq .qa__a {
  margin: 0;
  padding: 0 0.15rem 1.1rem 1.5rem;
  max-width: 64ch;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

/* ---------- 三步导出 ---------- */
.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  display: grid;
  gap: 0.7rem;
  margin: 0 0 0.5rem;
  padding: 0;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
  padding: 0.75rem 0.85rem;
  border-left: 3px solid var(--magenta);
  background: rgba(255, 255, 255, 0.6);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  font-family: var(--font-num);
  font-style: italic;
  font-weight: 900;
  font-size: 1.05rem;
  line-height: 1.4;
  color: var(--magenta);
}

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

.page-faq .faq-steps__t {
  display: block;
  font-family: var(--font-num);
  font-style: italic;
  font-weight: 900;
  font-size: 0.875rem;
  letter-spacing: 0.01em;
  color: var(--dark);
}

.page-faq .faq-steps__d {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(16, 24, 32, 0.76);
}

/* ---------- 延伸入口 ---------- */
.page-faq .faq-block__foot {
  margin: 1.25rem 0 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-block__foot a {
  color: var(--light);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
  padding-bottom: 1px;
  transition: color 0.18s var(--ease);
}

.page-faq .faq-block__foot a:hover,
.page-faq .faq-block__foot a:focus-visible {
  color: var(--cyan);
}

.page-faq .faq-block__foot a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 底部通道 ---------- */
.page-faq .faq-cta {
  border-top: 1px solid var(--faq-line);
  border-bottom: 1px solid var(--faq-line);
  background: linear-gradient(115deg, var(--ink-2) 0%, var(--ink-3) 62%, rgba(255, 107, 53, 0.2) 100%);
}

.page-faq .faq-cta__inner {
  display: grid;
  justify-items: start;
  gap: 0.75rem;
  padding-block: 2.5rem;
}

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

.page-faq .faq-cta__text {
  max-width: 58ch;
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.35rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 40rem) {
  .page-faq .faq-hero__inner {
    padding-block: 2.5rem 3rem;
  }

  .page-faq .faq-block--export {
    padding: 1.75rem 1.75rem 2rem;
  }
}

@media (min-width: 62rem) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: 3rem;
    padding-block: 3.25rem 3.75rem;
  }

  .page-faq .faq-body {
    grid-template-columns: 13.5rem minmax(0, 1fr);
    gap: 3.25rem;
    padding-block: 3rem 4.5rem;
  }

  .page-faq .faq-cats {
    position: sticky;
    top: 1.75rem;
  }

  .page-faq .faq-cats__list {
    flex-direction: column;
    overflow: visible;
    gap: 0.35rem;
    padding-bottom: 0;
  }

  .page-faq .faq-cats__link {
    width: 100%;
    white-space: normal;
  }

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

  .page-faq .faq-cta__inner {
    padding-block: 3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__q::after,
  .page-faq .faq-cats__link,
  .page-faq .qa__q {
    transition: none;
  }
}