.page-faq {
  --faq-cut: 28px;
  color: var(--bone);
  padding-bottom: 0;
}

.page-faq .breadcrumb {
  padding-top: 20px;
}

.page-faq .breadcrumb a {
  color: var(--mist-hi);
  text-decoration: none;
}

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

/* ---------- 顶部 ---------- */
.page-faq .faq-top {
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line-soft);
  background-image:
    linear-gradient(180deg, rgba(79, 227, 193, 0.06), transparent 70%),
    repeating-linear-gradient(90deg, rgba(38, 67, 58, 0.45) 0 1px, transparent 1px 64px);
  background-repeat: no-repeat, repeat;
}

.page-faq .faq-hero {
  display: grid;
  gap: 28px;
  margin-top: 22px;
}

.page-faq .faq-kicker {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(28px, 7vw, 52px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  transform: skewX(-2deg);
  transform-origin: left bottom;
  max-width: 15em;
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist-hi);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  margin: 26px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .faq-stat__num {
  font-family: var(--font-mono);
  font-size: 22px;
  letter-spacing: 0.04em;
  color: var(--orange);
}

.page-faq .faq-stat__label {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--ink-panel);
}

.page-faq .faq-figure--hero img {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* ---------- 主体双栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 34px;
  padding-top: 48px;
}

.page-faq .faq-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-faq .faq-toc__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--line);
}

.page-faq .faq-toc__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  margin-left: -1px;
  padding: 9px 6px 9px 14px;
  border-left: 3px solid transparent;
  font-size: 14px;
  line-height: 1.4;
  color: var(--mist-hi);
  text-decoration: none;
  transition: color 120ms var(--ease), border-color 120ms var(--ease), background-color 120ms var(--ease);
}

.page-faq .faq-toc__list a:hover,
.page-faq .faq-toc__list a:focus-visible {
  border-left-color: var(--cyan);
  background: var(--cyan-soft);
  color: var(--bone);
}

.page-faq .faq-toc__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-faq .faq-toc__note {
  margin: 18px 0 0;
  padding-left: 14px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
  border-left: 1px solid var(--line);
}

/* ---------- 问答组 ---------- */
.page-faq .faq-block + .faq-block {
  margin-top: 44px;
}

.page-faq .faq-block__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 24px;
}

.page-faq .faq-block__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-faq .faq-block__title {
  margin: 0;
  font-size: clamp(20px, 3.4vw, 26px);
  font-weight: 800;
  letter-spacing: -0.01em;
  transform: skewX(-2deg);
  transform-origin: left bottom;
}

.page-faq .faq-block__hint {
  display: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-faq .qa {
  border-bottom: 1px solid var(--line-soft);
  scroll-margin-top: 24px;
}

.page-faq .qa__head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-left: -1px;
  padding: 15px 4px 15px 14px;
  border-left: 3px solid transparent;
  list-style: none;
  cursor: pointer;
  transition: border-color 120ms var(--ease), background-color 120ms var(--ease);
}

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

.page-faq .qa__head:hover {
  border-left-color: var(--cyan);
}

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

.page-faq .qa[open] > .qa__head {
  border-left-color: var(--cyan);
  background: linear-gradient(90deg, var(--cyan-soft), transparent 72%);
}

.page-faq .qa__q {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--bone);
}

.page-faq .qa__sign {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
  margin: 7px 0 0 auto;
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  background: var(--cyan);
}

.page-faq .qa__sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .qa__sign::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
  opacity: 1;
  transition: opacity 160ms var(--ease), transform 160ms var(--ease);
}

.page-faq .qa[open] .qa__sign::after {
  opacity: 0;
  transform: scaleY(0);
}

.page-faq .qa__body {
  padding: 0 4px 20px 14px;
}

.page-faq .qa__body p {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-hi);
}

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

.page-faq .qa-steps {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
}

.page-faq .qa-steps li {
  display: flex;
  gap: 12px;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist-hi);
}

.page-faq .qa-steps li + li {
  margin-top: 6px;
}

.page-faq .qa-steps li::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  flex: none;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-faq .faq-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 227, 193, 0.4);
  transition: border-color 120ms var(--ease);
}

.page-faq .faq-link:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 旧版帮助文档 ---------- */
.page-faq .faq-legacy {
  margin-top: 68px;
  padding: 46px 0 50px;
  background: var(--paper);
  color: var(--ink-deep);
  clip-path: polygon(0 22px, 100% 0, 100% 100%, 0 100%);
}

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

.page-faq .faq-legacy__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: #8a5a2b;
}

.page-faq .faq-legacy h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 4.6vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  transform: skewX(-2deg);
  transform-origin: left bottom;
}

.page-faq .faq-legacy__lede {
  margin: 16px 0 0;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.8;
  color: #24352f;
}

.page-faq .faq-legacy__facts {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid rgba(11, 33, 28, 0.2);
}

.page-faq .faq-legacy__facts li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.6;
  color: #24352f;
}

.page-faq .faq-legacy__fact-num {
  flex: none;
  min-width: 62px;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: #b4501c;
}

.page-faq .faq-figure--legacy img {
  border-color: rgba(11, 33, 28, 0.28);
  background: var(--ink-panel);
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--faq-cut) 100%, 0 calc(100% - var(--faq-cut)));
}

.page-faq .faq-figure--legacy figcaption {
  color: #4a5c55;
}

/* ---------- 客服 ---------- */
.page-faq .faq-help {
  padding: 66px 0 76px;
}

.page-faq .faq-help__head {
  display: grid;
  gap: 10px;
  max-width: 40em;
  scroll-margin-top: 24px;
}

.page-faq .faq-help__head h2 {
  margin: 0;
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 800;
  letter-spacing: -0.01em;
  transform: skewX(-2deg);
  transform-origin: left bottom;
}

.page-faq .faq-help__head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-hi);
}

.page-faq .faq-help__panel {
  display: grid;
  gap: 22px;
  margin-top: 26px;
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--glass);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

.page-faq .faq-citem {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.page-faq .faq-clabel {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-faq .faq-cvalue {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 3.6vw, 20px);
  letter-spacing: 0.03em;
  color: var(--cyan);
  word-break: break-all;
}

.page-faq .faq-cnote {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist-hi);
}

.page-faq .faq-help__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-help__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist-hi);
}

.page-faq .faq-help__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 7px;
  height: 2px;
  background: var(--orange);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-top {
    padding-bottom: 56px;
  }

  .page-faq .faq-block__hint {
    display: block;
  }

  .page-faq .faq-help__panel {
    grid-template-columns: 1fr 1fr;
    gap: 24px 32px;
    padding: 32px;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 48px;
    align-items: end;
  }

  .page-faq .faq-legacy__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 52px;
  }

  .page-faq .faq-legacy {
    padding: 58px 0 62px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 56px;
    padding-top: 58px;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 24px;
  }

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

  .page-faq .qa__head {
    padding: 17px 8px 17px 16px;
  }

  .page-faq .qa__body {
    padding: 0 8px 22px 16px;
  }

  .page-faq .qa__q {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__head,
  .page-faq .qa__sign::after,
  .page-faq .faq-toc__list a {
    transition: none;
  }
}