.page-faq {
  color: var(--grey300);
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  padding: 32px 0 0;
}

.page-faq .faq-frame {
  position: relative;
  margin-top: 20px;
  padding: 26px 20px 30px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 90% at 0% 0%, rgba(20, 53, 42, 0.85), rgba(11, 20, 16, 0) 68%),
    linear-gradient(180deg, rgba(20, 22, 26, 0.6), rgba(11, 20, 16, 0));
}

.page-faq .faq-frame::before,
.page-faq .faq-frame::after {
  content: "";
  position: absolute;
  height: 1px;
  width: 48px;
  top: -1px;
}

.page-faq .faq-frame::before {
  left: 16px;
  background: var(--red);
}

.page-faq .faq-frame::after {
  right: 16px;
  bottom: -1px;
  top: auto;
  background: var(--yellow);
}

.page-faq .faq-frame__meta {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--grey500);
  text-transform: uppercase;
}

.page-faq .faq-frame h1 {
  margin: 16px 0 0;
  font-size: clamp(30px, 6.2vw, 60px);
  line-height: 1.08;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--white);
  max-width: 13em;
}

.page-faq .faq-frame .lede {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--grey300);
}

.page-faq .faq-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.page-faq .faq-chip {
  display: inline-block;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--grey300);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  color: var(--yellow);
  border-color: var(--yellow);
  outline: none;
}

/* ---------- 主体分栏 ---------- */
.page-faq .faq-body {
  padding-top: 34px;
}

.page-faq .faq-layout {
  display: grid;
  gap: 30px;
}

.page-faq .faq-rail {
  padding: 16px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(20, 53, 42, 0.42);
}

.page-faq .faq-rail__label {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--grey500);
}

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

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

.page-faq .spy-link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--grey500);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-rail__num {
  font-size: 11px;
  color: var(--red);
}

.page-faq .spy-link:hover,
.page-faq .spy-link:focus-visible {
  color: var(--grey300);
  border-color: var(--line-strong);
  outline: none;
}

.page-faq .spy-link[aria-current="true"] {
  color: var(--yellow);
  border-color: var(--yellow);
}

.page-faq .faq-help {
  margin-top: 18px;
  padding: 14px;
  border-top: 1px solid var(--line);
  background: var(--green);
  border-radius: var(--radius);
}

.page-faq .faq-help__title {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}

.page-faq .faq-help__txt {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--grey300);
}

.page-faq .faq-help .btn {
  font-size: 13px;
}

/* ---------- 分组与问答 ---------- */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--head-h) + 20px);
}

.page-faq .faq-group + .faq-group {
  margin-top: 42px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 11px;
  border-bottom: 1px solid var(--line-strong);
  margin-bottom: 16px;
}

.page-faq .faq-group__idx {
  font-size: 12px;
  color: var(--red);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: 21px;
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .faq-split {
  display: grid;
  gap: 20px;
}

.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--carbon);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-item[open] {
  border-color: var(--line-strong);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.34);
}

.page-faq .faq-q {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 14px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-q:focus-visible {
  outline: 1px solid var(--yellow);
  outline-offset: -2px;
}

.page-faq .faq-num {
  flex: none;
  font-size: 11px;
  color: var(--yellow);
  letter-spacing: 0.04em;
}

.page-faq .faq-q__txt {
  flex: 1;
  font-size: 15.5px;
  line-height: 1.55;
  font-weight: 500;
  color: var(--white);
}

.page-faq .faq-q__ico {
  position: relative;
  flex: none;
  width: 12px;
  height: 12px;
  align-self: center;
}

.page-faq .faq-q__ico::before,
.page-faq .faq-q__ico::after {
  content: "";
  position: absolute;
  background: var(--grey500);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-q__ico::before {
  left: 0;
  top: 50%;
  width: 100%;
  height: 1px;
}

.page-faq .faq-q__ico::after {
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
}

.page-faq .faq-item[open] .faq-q__ico::before {
  background: var(--red);
}

.page-faq .faq-item[open] .faq-q__ico::after {
  transform: scaleY(0);
}

.page-faq .faq-a {
  padding: 0 14px 16px 36px;
  border-top: 1px solid var(--line);
  margin-top: 0;
  padding-top: 12px;
}

.page-faq .faq-a p {
  margin: 0;
  max-width: 36em;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--grey300);
}

/* ---------- 步骤条 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-steps li {
  padding-top: 10px;
  border-top: 1px solid var(--line-strong);
  font-size: 13px;
  line-height: 1.7;
  color: var(--grey300);
}

.page-faq .faq-steps b {
  display: block;
  margin-bottom: 3px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(160deg, var(--green), var(--ink));
}

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

.page-faq .faq-figure--tall img {
  max-width: 320px;
  margin: 0 auto;
}

.page-faq .faq-figure__cap {
  display: block;
  padding: 9px 12px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--grey500);
}

/* ---------- 底部行动区 ---------- */
.page-faq .faq-cta {
  padding: 34px 0 44px;
}

.page-faq .faq-cta__inner {
  display: grid;
  gap: 20px;
  padding: 24px 20px;
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--red);
  border-radius: var(--radius);
  background: var(--carbon);
}

.page-faq .faq-cta__title {
  margin: 0 0 8px;
  font-size: 22px;
  line-height: 1.25;
  font-weight: 600;
  color: var(--white);
}

.page-faq .faq-cta__txt {
  margin: 0;
  max-width: 30em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--grey300);
}

.page-faq .faq-cta__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding-top: 44px;
  }

  .page-faq .faq-frame {
    padding: 34px 34px 38px;
  }

  .page-faq .faq-frame::before {
    left: 26px;
    width: 64px;
  }

  .page-faq .faq-frame::after {
    right: 26px;
    width: 64px;
  }

  .page-faq .faq-group__title {
    font-size: 25px;
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-q {
    padding: 16px 18px;
  }

  .page-faq .faq-a {
    padding: 14px 18px 18px 44px;
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 28px 28px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 264px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--head-h) + 24px);
  }

  .page-faq .spy {
    display: block;
    overflow: visible;
  }

  .page-faq .spy li + li {
    margin-top: 2px;
  }

  .page-faq .spy-link {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 9px 12px;
  }

  .page-faq .spy-link[aria-current="true"] {
    border-left-color: var(--cyan);
    background: rgba(56, 225, 200, 0.07);
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-faq .faq-figure--tall img {
    max-width: 100%;
  }

  .page-faq .faq-group + .faq-group {
    margin-top: 54px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-chip,
  .page-faq .spy-link,
  .page-faq .faq-q__ico::before,
  .page-faq .faq-q__ico::after {
    transition: none;
  }
}
<<<END>>>