.page-faq {
  --faq-num-w: 42px;
  --faq-gold-line: rgba(201, 162, 39, 0.34);
  background: var(--surface);
  color: var(--text);
}

/* ---------- 页首 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 36px 0 52px;
  border-bottom: 1px solid var(--rule);
  background:
    radial-gradient(130% 100% at 92% -10%, rgba(201, 162, 39, 0.16), transparent 58%),
    linear-gradient(180deg, var(--indigo-900) 0%, var(--indigo-800) 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(154, 163, 184, 0.09) 0 1px,
    transparent 1px 72px
  );
  -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 .shell {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 30px;
  min-width: 0;
}

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

.page-faq .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

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

.page-faq .crumbs a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}

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

.page-faq .crumbs [aria-current="page"] {
  color: var(--gold);
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(29px, 5.4vw, 48px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .faq-hero__lead {
  max-width: 34em;
  margin: 0 0 26px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-muted);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px solid rgba(154, 163, 184, 0.22);
  font-size: 13px;
  color: var(--text-muted);
}

.page-faq .faq-hero__facts .mono {
  margin-right: 6px;
  font-size: 15px;
  color: var(--gold);
}

.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--faq-gold-line);
  border-radius: 6px;
  background: var(--indigo-700);
  box-shadow: 0 26px 60px -32px rgba(0, 0, 0, 0.92);
}

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

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding: 44px 0 72px;
  background: linear-gradient(180deg, var(--indigo-900) 0%, var(--indigo-800) 100%);
}

.page-faq .faq-layout {
  display: grid;
  gap: 36px;
  min-width: 0;
}

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

/* ---------- 左侧索引 ---------- */
.page-faq .faq-index {
  min-width: 0;
  padding: 18px 16px;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: rgba(23, 32, 74, 0.55);
}

.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-faq .faq-index__list {
  display: grid;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 9px 10px 9px 12px;
  border-left: 2px solid transparent;
  border-radius: 0 3px 3px 0;
  text-decoration: none;
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--text-muted);
  transition:
    background var(--t-fast) var(--ease),
    color var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-left-color: var(--gold);
  background: rgba(201, 162, 39, 0.1);
  color: var(--text);
}

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

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-faq .faq-index__foot {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-faq .faq-index__foot a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 162, 39, 0.42);
  transition: color var(--t-fast) var(--ease);
}

.page-faq .faq-index__foot a:hover {
  color: var(--gold-soft);
}

/* ---------- 分组主题带 ---------- */
.page-faq .faq-group {
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--rule);
  scroll-margin-top: 96px;
}

.page-faq .faq-group:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  margin-bottom: 8px;
}

.page-faq .faq-group__label {
  padding: 3px 8px;
  border: 1px solid var(--faq-gold-line);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 2.7vw, 28px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .faq-group__note {
  max-width: 46em;
  margin: 0 0 16px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-muted);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  --faq-num-w: 42px;
  border-bottom: 1px solid var(--rule);
}

.page-faq .faq-item summary {
  display: grid;
  grid-template-columns: var(--faq-num-w) minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 16px 4px 16px 0;
  list-style: none;
  cursor: pointer;
  transition: color var(--t-fast) var(--ease);
}

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

.page-faq .faq-item summary::marker {
  content: "";
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 3px;
}

.page-faq .faq-item__num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-faq .faq-item__q {
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.65;
  color: var(--text);
  transition: color var(--t-fast) var(--ease);
}

.page-faq .faq-item summary:hover .faq-item__q {
  color: var(--gold-soft);
}

.page-faq .faq-item summary::after {
  content: "+";
  align-self: center;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--gold);
}

.page-faq .faq-item[open] summary::after {
  content: "−";
}

.page-faq .faq-item[open] summary .faq-item__q {
  color: var(--gold-soft);
}

.page-faq .faq-item__body {
  padding: 0 0 18px calc(var(--faq-num-w) + 12px);
  animation: faq-item-in var(--t-mid) var(--ease) both;
}

@keyframes faq-item-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-faq .faq-steps {
  display: grid;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.page-faq .faq-steps li {
  position: relative;
  padding-left: 26px;
  counter-increment: step;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-faq .faq-steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--jade-soft);
}

.page-faq .faq-steps a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 162, 39, 0.42);
}

.page-faq .faq-steps a:hover,
.page-faq .faq-steps a:focus-visible {
  color: var(--gold-soft);
}

.page-faq .faq-tip {
  margin: 12px 0 0;
  padding: 10px 14px;
  border-left: 2px solid var(--gold);
  border-radius: 0 3px 3px 0;
  background: rgba(201, 162, 39, 0.08);
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-muted);
}

/* ---------- 流程示意图 ---------- */
.page-faq .faq-figure {
  margin: 18px 0 8px;
  overflow: hidden;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: var(--indigo-700);
}

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

.page-faq .faq-figure figcaption {
  padding: 9px 12px;
  border-top: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.03em;
  color: var(--text-muted);
}

/* ---------- 联系支持卡 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 16px;
  margin-top: 22px;
  padding: 22px 20px;
  border: 1px solid var(--faq-gold-line);
  border-radius: 4px;
  background: linear-gradient(140deg, rgba(201, 162, 39, 0.11), rgba(23, 32, 74, 0.62) 56%);
}

.page-faq .faq-contact__item {
  display: grid;
  gap: 5px;
  justify-items: start;
  min-width: 0;
}

.page-faq .faq-contact__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-faq .faq-contact__value {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding: 48px 0 64px;
  }

  .page-faq .faq-hero__lead {
    font-size: 16px;
  }

  .page-faq .faq-contact {
    grid-template-columns: 1fr 1fr;
    padding: 26px 24px;
  }
}

@media (max-width: 600px) {
  .page-faq .faq-item__body {
    padding-left: 0;
  }

  .page-faq .faq-item summary {
    gap: 10px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: end;
    gap: 48px;
  }

  .page-faq .faq-body {
    padding: 56px 0 88px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 264px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 88px;
    padding: 20px 16px;
    background: linear-gradient(180deg, rgba(23, 32, 74, 0.82), rgba(12, 20, 48, 0.66));
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__body {
    animation: none;
  }

  .page-faq .faq-item summary,
  .page-faq .faq-item__q,
  .page-faq .faq-index__link,
  .page-faq .crumbs a {
    transition: none;
  }
}
<<<END>>>