.page-faq {
  --faq-gap: clamp(18px, 4vw, 36px);
  --faq-cyan-soft: rgba(63, 224, 208, 0.14);
  --faq-cyan-line: rgba(63, 224, 208, 0.5);
  background: var(--ink);
  color: var(--white);
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 16px 0 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--silver);
}

.page-faq .faq-crumb .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--dim);
}

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

.page-faq .faq-crumb .breadcrumb a:hover,
.page-faq .faq-crumb .breadcrumb a:focus-visible {
  color: var(--white);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--ink-deep);
}

.page-faq .faq-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-faq .faq-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
  filter: saturate(0.5) brightness(0.85);
}

.page-faq .faq-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(5, 11, 20, 0.4) 0%, rgba(5, 11, 20, 0.9) 72%, var(--ink) 100%),
    linear-gradient(90deg, rgba(5, 11, 20, 0.92) 0%, rgba(5, 11, 20, 0.42) 58%, rgba(5, 11, 20, 0.86) 100%);
}

.page-faq .faq-hero__inner {
  position: relative;
  padding-top: clamp(38px, 9vw, 92px);
  padding-bottom: clamp(32px, 6vw, 66px);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(52px, 12vw, 126px);
  line-height: 0.92;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-faq .faq-hero__lede {
  max-width: 620px;
  margin: 22px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--silver);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 30px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .faq-hero__facts li {
  position: relative;
  padding-left: 14px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .faq-hero__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  background: var(--orange);
}

/* ---------- 分类索引条 ---------- */
.page-faq .faq-index {
  background: var(--slate);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 14px 0;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-index__list::-webkit-scrollbar {
  height: 4px;
}

.page-faq .faq-index__list::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 2px;
}

.page-faq .faq-index__list li {
  flex: none;
}

.page-faq .faq-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--white);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

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

.page-faq .faq-index__list .mono {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

/* ---------- 问答区块 ---------- */
.page-faq .faq-block {
  padding: clamp(38px, 7vw, 76px) 0;
  border-bottom: 1px solid var(--line-soft);
  scroll-margin-top: 96px;
}

.page-faq .faq-block--last {
  border-bottom: 0;
}

.page-faq .faq-block__head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(20px, 3.5vw, 34px);
}

.page-faq .faq-block__lead {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-faq .faq-block__lead .paper-label {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink);
}

.page-faq .faq-block__title {
  margin: 0;
  font-size: clamp(22px, 3.4vw, 32px);
  font-weight: 600;
  line-height: 1.2;
  color: var(--white);
}

.page-faq .faq-block__note {
  margin: 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--silver);
}

.page-faq .faq-block__layout {
  display: grid;
  gap: var(--faq-gap);
  grid-template-columns: minmax(0, 1fr);
}

/* ---------- 问答条目 ---------- */
.page-faq .qa {
  margin-bottom: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

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

.page-faq .qa:hover {
  border-color: rgba(63, 224, 208, 0.4);
}

.page-faq .qa[open] {
  border-color: var(--faq-cyan-line);
  background: var(--slate);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-faq .qa__q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
  transition: color 0.2s ease;
}

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

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

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

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

.page-faq .qa__num {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--silver);
}

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

.page-faq .qa__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa__icon {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: rgba(5, 11, 20, 0.4);
}

.page-faq .qa__icon::before,
.page-faq .qa__icon::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.page-faq .qa__icon::before {
  top: 7px;
  left: 3px;
  right: 3px;
  height: 1.5px;
}

.page-faq .qa__icon::after {
  left: 7px;
  top: 3px;
  bottom: 3px;
  width: 1.5px;
}

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

.page-faq .qa__a {
  padding: 14px 16px 18px;
  border-top: 1px solid var(--line-soft);
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver);
}

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

.page-faq .qa__a p + p {
  margin-top: 8px;
}

.page-faq .qa__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 208, 0.4);
}

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

/* ---------- 数据口径配图 ---------- */
.page-faq .faq-media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

.page-faq .faq-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.5) brightness(0.9);
}

.page-faq .faq-media__cap {
  display: block;
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--silver);
}

/* ---------- 兜底联系面板 ---------- */
.page-faq .faq-help {
  display: grid;
  gap: var(--faq-gap);
  padding: clamp(22px, 4vw, 40px);
  border: 1px solid rgba(63, 224, 208, 0.34);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(63, 224, 208, 0.13) 0%, rgba(5, 11, 20, 0) 58%),
    var(--panel);
}

.page-faq .faq-help__text .paper-label {
  display: inline-block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink);
}

.page-faq .faq-help__title {
  margin: 0 0 12px;
  font-size: clamp(22px, 3.2vw, 30px);
  font-weight: 600;
  line-height: 1.25;
  color: var(--white);
}

.page-faq .faq-help__desc {
  margin: 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver);
}

.page-faq .faq-help__list {
  display: grid;
  gap: 12px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-help__list li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-help__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-help__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--silver);
}

.page-faq .faq-help__v {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  color: var(--white);
  word-break: break-word;
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-block__head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
    align-items: end;
    gap: 28px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-block__layout--side {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-list--wide {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .page-faq .faq-list--wide .qa {
    margin-bottom: 0;
  }

  .page-faq .faq-help {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: center;
    gap: clamp(24px, 5vw, 56px);
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero__lede {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__q,
  .page-faq .qa__icon::before,
  .page-faq .qa__icon::after,
  .page-faq .faq-index__list a {
    transition: none;
  }
}
<<<END>>>