.page-faq {
  --faq-hair: rgba(30, 58, 102, 0.9);
  --faq-cyan-dim: rgba(43, 232, 213, 0.3);
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--deep);
  padding-bottom: 72px;
}

.page-faq .faq-top {
  padding-top: 22px;
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin-top: 14px;
}

.page-faq .faq-hero__frame {
  position: relative;
  padding: 30px 20px 26px;
  border: 1px solid var(--grid);
  background:
    linear-gradient(118deg, rgba(43, 232, 213, 0.09) 0%, rgba(10, 27, 61, 0) 46%),
    linear-gradient(180deg, var(--night) 0%, var(--deep) 100%);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.page-faq .faq-hero__frame::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(43, 232, 213, 0.14);
  pointer-events: none;
}

.page-faq .faq-hero__frame .kicker {
  color: var(--cyan);
  letter-spacing: 0.12em;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  max-width: 20ch;
  font-size: clamp(28px, 7vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: #f1f7ff;
}

.page-faq .faq-hero__lead {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--faq-hair);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-faq .faq-hero__meta b {
  color: var(--cyan);
  font-weight: 700;
}

/* ---------- 左导航 + 右问答 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.page-faq .faq-rail {
  border: 1px solid var(--faq-hair);
  background: var(--night);
  padding: 18px 16px 16px;
}

.page-faq .faq-rail__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

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

.page-faq .faq-rail__item {
  position: relative;
  padding-left: 24px;
}

.page-faq .faq-rail__item::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 22px;
  bottom: -4px;
  border-left: 1px dashed var(--faq-cyan-dim);
}

.page-faq .faq-rail__item:last-child::before {
  display: none;
}

.page-faq .faq-rail__link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 4px;
  font-size: 14.5px;
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-rail__link::before {
  content: "";
  position: absolute;
  left: -21px;
  top: 15px;
  width: 9px;
  height: 9px;
  background: var(--grid);
  transition: background 0.2s var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--flame);
}

.page-faq .faq-rail__link:hover::before,
.page-faq .faq-rail__link:focus-visible::before {
  background: var(--cyan);
}

.page-faq .faq-rail__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-faq .faq-rail__note {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--faq-hair);
  font-size: 12px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-flow {
  min-width: 0;
}

.page-faq .faq-group {
  position: relative;
  scroll-margin-top: 110px;
}

.page-faq .faq-group + .faq-group {
  margin-top: 46px;
}

.page-faq .faq-group::before {
  content: "";
  display: block;
  height: 5px;
  margin-bottom: 24px;
  border-top: 1px solid var(--faq-cyan-dim);
  background-image: repeating-linear-gradient(90deg, var(--grid) 0 1px, transparent 1px 12px);
}

.page-faq .faq-group__head {
  margin-bottom: 18px;
}

.page-faq .faq-group__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-faq .faq-group__title {
  margin: 8px 0 0;
  font-size: clamp(21px, 4.4vw, 30px);
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #edf4ff;
}

.page-faq .faq-group__lead {
  margin: 10px 0 0;
  max-width: 34em;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 单条问答 ---------- */
.page-faq .qa {
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .qa:first-child {
  border-top: 1px solid var(--faq-hair);
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 12px;
  padding: 15px 4px;
  cursor: pointer;
  list-style: none;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.55;
  color: #e8f1ff;
  transition: color 0.2s var(--ease);
}

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

.page-faq .qa__q:hover {
  color: var(--cyan-soft);
}

.page-faq .qa__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .qa__icon {
  position: relative;
  align-self: center;
  width: 13px;
  height: 13px;
  justify-self: end;
}

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

.page-faq .qa__icon::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 1.5px;
}

.page-faq .qa__icon::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 1.5px;
  transition: transform 0.2s var(--ease);
}

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

.page-faq .qa__a {
  padding: 2px 4px 20px 34px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .qa__a p {
  margin: 0 0 10px;
  max-width: 36em;
}

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

/* ---------- 步骤条 ---------- */
.page-faq .steps {
  list-style: none;
  margin: 12px 0 12px;
  padding: 0;
  max-width: 34em;
}

.page-faq .steps li {
  position: relative;
  padding: 0 0 12px 20px;
  border-left: 1px dashed var(--faq-cyan-dim);
}

.page-faq .steps li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-faq .steps li::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  background: var(--cyan);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 20px 0 0;
}

.page-faq .faq-figure--band {
  margin: 26px 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--grid);
  border-radius: var(--radius);
  object-fit: cover;
  background: var(--night-2);
}

.page-faq .faq-figure figcaption {
  margin-top: 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--slate);
}

/* ---------- 额度环形示意 ---------- */
.page-faq .quota-dial {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 24px;
  padding: 16px;
  border: 1px solid var(--faq-hair);
  background: rgba(6, 18, 41, 0.72);
}

.page-faq .quota-dial svg {
  flex: none;
  width: 76px;
  height: 76px;
}

.page-faq .quota-dial__cap {
  margin: 0;
  max-width: 30em;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 奶油纸分区（费用） ---------- */
.page-faq .faq-group--paper {
  background: var(--cream);
  color: var(--brown);
  padding: 28px 18px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-group--paper::before {
  border-top-color: rgba(28, 23, 20, 0.22);
  background-image: repeating-linear-gradient(90deg, rgba(28, 23, 20, 0.22) 0 1px, transparent 1px 12px);
}

.page-faq .faq-group--paper .faq-group__num {
  color: var(--flame-dark);
}

.page-faq .faq-group--paper .faq-group__title {
  color: var(--brown);
}

.page-faq .faq-group--paper .faq-group__lead {
  color: #4a4038;
}

.page-faq .faq-group--paper .qa,
.page-faq .faq-group--paper .qa:first-child {
  border-color: rgba(28, 23, 20, 0.18);
}

.page-faq .faq-group--paper .qa__q {
  color: var(--brown);
}

.page-faq .faq-group--paper .qa__q:hover {
  color: var(--flame-dark);
}

.page-faq .faq-group--paper .qa__idx {
  color: var(--flame-dark);
}

.page-faq .faq-group--paper .qa__a {
  color: #4a4038;
}

.page-faq .faq-group--paper .qa__icon::before,
.page-faq .faq-group--paper .qa__icon::after {
  background: var(--flame-dark);
}

/* ---------- 相关入口 ---------- */
.page-faq .faq-more {
  margin-top: 52px;
  padding-top: 22px;
  border-top: 2px solid var(--cyan);
}

.page-faq .faq-more__title {
  margin: 0 0 16px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #edf4ff;
}

.page-faq .faq-more__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--faq-hair);
  border: 1px solid var(--faq-hair);
}

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

.page-faq .faq-more__link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  height: 100%;
  padding: 15px 14px;
  background: var(--night);
  text-decoration: none;
  transition: background 0.2s var(--ease);
}

.page-faq .faq-more__link:hover,
.page-faq .faq-more__link:focus-visible {
  background: #0b1c3a;
}

.page-faq .faq-more__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .faq-more__val {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-dim);
}

.page-faq .faq-more__link:hover .faq-more__val {
  color: var(--text);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero__frame {
    padding: 38px 32px 32px;
  }

  .page-faq .faq-group--paper {
    padding: 32px 26px 28px;
  }

  .page-faq .faq-more__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-faq .faq-shell {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-hero__frame {
    padding: 46px 44px 38px;
  }

  .page-faq .faq-group__split {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }

  .page-faq .faq-group__split .faq-figure {
    margin-top: 10px;
  }

  .page-faq .qa__a {
    padding-left: 46px;
  }

  .page-faq .faq-more__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .page-faq .faq-hero__title {
    max-width: none;
  }

  .page-faq .qa__q {
    gap: 9px;
    font-size: 15.5px;
  }

  .page-faq .qa__a {
    padding-left: 4px;
  }

  .page-faq .quota-dial {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}
<<<END>>>