.page-faq {
  --faq-line: rgba(29, 42, 38, .14);
  --faq-line-soft: rgba(29, 42, 38, .07);
  --faq-ink-soft: #5B6B66;
  --faq-ink-body: #2C3A35;
  background-color: var(--ok-mist);
  color: var(--ok-ink);
  font-family: var(--ok-font-display);
  overflow-x: hidden;
}

.page-faq a {
  color: inherit;
}

.page-faq .faq-mono {
  font-family: var(--ok-font-mono);
}

/* ---------- 首屏：夜间看台切回浅色档案 ---------- */
.page-faq .faq-hero {
  background-color: var(--ok-deep);
  background-image:
    linear-gradient(160deg, rgba(198, 255, 61, .12), rgba(198, 255, 61, 0) 58%),
    linear-gradient(0deg, rgba(17, 24, 22, .55), rgba(17, 24, 22, 0) 60%);
  color: var(--ok-mist);
  padding: clamp(20px, 5vw, 38px) 0 clamp(52px, 9vw, 92px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), 0 100%);
}

.page-faq .faq-hero__inner {
  position: relative;
}

.page-faq .ok-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(20px, 4vw, 34px);
  font-family: var(--ok-font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ok-muted);
}

.page-faq .ok-crumb a {
  color: var(--ok-lime);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ok-ease);
}

.page-faq .ok-crumb a:hover,
.page-faq .ok-crumb a:focus-visible {
  border-bottom-color: currentColor;
}

.page-faq .ok-crumb__sep {
  color: var(--ok-dim);
}

.page-faq .faq-kicker {
  margin: 0 0 14px;
  font-family: var(--ok-font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--ok-lime);
}

.page-faq .faq-hero__title {
  margin: 0;
  max-width: 22ch;
  font-size: clamp(27px, 6.2vw, 54px);
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: -.01em;
}

.page-faq .faq-hero__lead {
  margin: clamp(16px, 3vw, 24px) 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.85;
  color: rgba(230, 236, 232, .78);
}

.page-faq .faq-stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(16px, 3.4vw, 44px);
  margin: clamp(26px, 5vw, 46px) 0 0;
  padding: 0;
}

.page-faq .faq-stats__item {
  padding-left: 14px;
  border-left: 2px solid var(--ok-lime);
}

.page-faq .faq-stats dt {
  margin: 0;
  font-family: var(--ok-font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--ok-dim);
}

.page-faq .faq-stats dd {
  margin: 7px 0 0;
  font-family: var(--ok-font-mono);
  font-size: clamp(14px, 1.9vw, 17px);
  font-weight: 700;
  color: var(--ok-mist);
}

/* ---------- 骨架 ---------- */
.page-faq .faq-layout {
  display: block;
  padding-top: clamp(28px, 6vw, 64px);
  padding-bottom: clamp(52px, 9vw, 100px);
}

/* ---------- 侧边索引 ---------- */
.page-faq .faq-toc {
  margin-bottom: clamp(26px, 5vw, 42px);
}

.page-faq .faq-toc__title {
  margin: 0 0 12px;
  font-family: var(--ok-font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--faq-ink-soft);
}

.page-faq .faq-toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-toc__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--faq-line);
  border-radius: 2px;
  font-size: 14px;
  text-decoration: none;
  transition: border-color .2s var(--ok-ease), background-color .2s var(--ok-ease);
}

.page-faq .faq-toc__list a:hover,
.page-faq .faq-toc__list a:focus-visible {
  border-color: var(--ok-deep);
  background-color: var(--ok-lime-soft);
}

.page-faq .faq-toc__list .faq-mono {
  font-size: 11px;
  font-weight: 700;
  color: var(--faq-ink-soft);
}

/* ---------- 章节 ---------- */
.page-faq .faq-block {
  margin-top: clamp(34px, 6vw, 64px);
  padding-top: clamp(26px, 4.5vw, 44px);
  border-top: 2px solid var(--ok-deep);
}

.page-faq .faq-block:first-child {
  margin-top: 0;
}

.page-faq .faq-block__head {
  display: flex;
  align-items: flex-start;
  gap: clamp(12px, 2vw, 20px);
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-faq .faq-block__num {
  flex: none;
  padding: 8px 10px;
  font-family: var(--ok-font-mono);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  color: var(--ok-deep);
  background-color: var(--ok-lime);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 9px 100%, 0 calc(100% - 9px));
}

.page-faq .faq-block__title {
  margin: 0;
  font-size: clamp(20px, 3.4vw, 30px);
  font-weight: 900;
  letter-spacing: -.01em;
}

.page-faq .faq-block__lead {
  margin: 10px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

.page-faq .faq-link {
  text-decoration: underline;
  text-decoration-color: var(--ok-lime);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  transition: text-decoration-color .2s var(--ok-ease);
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  text-decoration-color: var(--ok-deep);
}

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

.page-faq .qa:first-of-type {
  border-top: 1px solid var(--faq-line);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 17px 0;
  font-size: clamp(15px, 2.1vw, 17px);
  font-weight: 700;
  line-height: 1.6;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__idx {
  flex: none;
  padding-top: 4px;
  font-family: var(--ok-font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--faq-ink-soft);
  transition: color .2s var(--ok-ease);
}

.page-faq .qa[open] .qa__idx {
  color: var(--ok-deep);
}

.page-faq .qa__q:hover .qa__text {
  text-decoration: underline;
  text-decoration-color: var(--ok-lime);
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.page-faq .qa__mark {
  flex: none;
  width: 9px;
  height: 9px;
  margin-top: 8px;
  margin-left: auto;
  border-right: 2px solid var(--faq-ink-soft);
  border-bottom: 2px solid var(--faq-ink-soft);
  transform: rotate(45deg);
  transition: transform .25s var(--ok-ease), border-color .25s var(--ok-ease);
}

.page-faq .qa[open] .qa__mark {
  transform: rotate(225deg);
  border-color: var(--ok-deep);
}

.page-faq .qa__a {
  padding: 0 0 22px;
}

.page-faq .qa__a p {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--faq-ink-body);
}

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

.page-faq .qa-steps {
  margin: 14px 0 14px;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
}

.page-faq .qa-steps li {
  position: relative;
  padding: 9px 0 9px 32px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-ink-body);
  border-bottom: 1px dashed var(--faq-line-soft);
}

.page-faq .qa-steps li:last-child {
  border-bottom: 0;
}

.page-faq .qa-steps li::before {
  counter-increment: faqstep;
  content: counter(faqstep);
  position: absolute;
  left: 0;
  top: 11px;
  display: grid;
  place-items: center;
  width: 19px;
  height: 19px;
  font-family: var(--ok-font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--ok-deep);
  background-color: var(--ok-lime-soft);
  border-radius: 2px;
}

.page-faq .qa-note {
  margin: 14px 0 0;
  padding: 12px 14px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--faq-ink-body);
  background-color: var(--ok-white);
  border-left: 3px solid var(--ok-gold);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: clamp(22px, 3.6vw, 32px) 0 0;
}

.page-faq .faq-frame {
  overflow: hidden;
  background-color: var(--ok-deep);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), 0 100%);
}

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

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--ok-font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--faq-ink-soft);
}

/* ---------- 文档索引 ---------- */
.page-faq .doc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2.4vw, 22px);
}

.page-faq .doc-col {
  padding: clamp(16px, 2.4vw, 22px);
  background-color: var(--ok-white);
  border: 1px solid var(--faq-line);
  border-top: 3px solid var(--ok-lime);
}

.page-faq .doc-col__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .doc-col__num {
  font-family: var(--ok-font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--faq-ink-soft);
}

.page-faq .doc-col__title {
  margin: 0;
  font-size: 16px;
  font-weight: 900;
}

.page-faq .doc-col__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.page-faq .doc-col__list li:last-child {
  border-bottom: 0;
}

.page-faq .doc-col__list a {
  display: flex;
  gap: 10px;
  padding: 12px 0;
  font-size: 14.5px;
  line-height: 1.6;
  text-decoration: none;
  transition: color .2s var(--ok-ease);
}

.page-faq .doc-col__list a::before {
  content: "—";
  color: var(--ok-slate);
}

.page-faq .doc-col__list a:hover,
.page-faq .doc-col__list a:focus-visible {
  color: #000;
  text-decoration: underline;
  text-decoration-color: var(--ok-lime);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2.2vw, 20px);
}

.page-faq .faq-contact__cell {
  padding: clamp(18px, 2.6vw, 24px);
  background-color: var(--ok-white);
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--ok-deep);
}

.page-faq .faq-contact__label {
  margin: 0;
  font-family: var(--ok-font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--faq-ink-soft);
}

.page-faq .faq-contact__value {
  margin: 10px 0 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  word-break: break-word;
}

.page-faq .faq-contact__note {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--faq-ink-soft);
}

.page-faq .faq-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3.4vw, 32px);
}

.page-faq .faq-foot {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding-top: 16px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
  border-top: 1px solid var(--faq-line-soft);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 700px) {
  .page-faq .doc-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-faq .qa__a {
    padding-left: 32px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 108px;
    margin-bottom: 0;
  }

  .page-faq .faq-toc__list {
    flex-direction: column;
    gap: 0;
    border-top: 1px solid var(--faq-line);
  }

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

  .page-faq .faq-toc__list a {
    display: flex;
    width: 100%;
    padding: 12px 6px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    font-size: 14px;
  }

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

  .page-faq .faq-hero__title {
    max-width: 26ch;
  }
}
<<<END>>>