.page-faq {
  --fq-paper-ink: #0E1730;
  --fq-paper-line: rgba(14, 23, 48, 0.16);
  position: relative;
  padding-bottom: var(--s8);
}

/* ---------- 首屏 ---------- */
.page-faq .fq-hero {
  position: relative;
  overflow: hidden;
  padding: var(--s6) 0 var(--s5);
}

.page-faq .fq-hero::after {
  content: "FAQ";
  position: absolute;
  top: -0.14em;
  right: -0.05em;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: clamp(110px, 30vw, 290px);
  line-height: 0.9;
  letter-spacing: -0.045em;
  color: rgba(43, 231, 214, 0.055);
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.page-faq .fq-hero > * {
  position: relative;
  z-index: 1;
}

.page-faq .fq-hero .kicker {
  margin-top: var(--s3);
}

.page-faq .fq-hero h1 {
  margin: var(--s3) 0 var(--s3);
  max-width: 15ch;
}

.page-faq .fq-hero__lede {
  max-width: 50ch;
}

.page-faq .fq-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--s2);
  list-style: none;
  margin: var(--s5) 0 0;
  padding: var(--s3) 0 0;
  border-top: 1px solid var(--line-soft);
}

.page-faq .fq-facts__v {
  display: block;
  font-family: var(--font-data);
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-faq .fq-facts__k {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist);
}

/* ---------- 主题索引 ---------- */
.page-faq .fq-index {
  margin-top: var(--s6);
  padding-top: var(--s4);
  border-top: 1px solid var(--line-soft);
}

.page-faq .fq-index__title {
  margin: 0 0 var(--s2);
  font-family: var(--font-editorial);
  font-size: 18px;
  font-weight: 600;
  color: var(--paper);
}

.page-faq .fq-index__note {
  margin: 0 0 var(--s4);
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .fq-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .fq-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(14, 23, 48, 0.5);
  color: var(--paper);
  font-size: 15px;
  text-decoration: none;
  transition: border-color 0.22s ease, color 0.22s ease, transform 0.22s ease;
}

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

.page-faq .fq-index__link:hover,
.page-faq .fq-index__link:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan-soft);
  transform: translateY(-2px);
}

/* ---------- 过渡图带 ---------- */
.page-faq .fq-band {
  margin: var(--s6) 0 var(--s6);
  position: relative;
}

.page-faq .fq-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(108, 92, 231, 0.28), rgba(7, 12, 26, 0) 58%);
  pointer-events: none;
}

.page-faq .fq-band img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border: 1px solid var(--line-soft);
}

/* ---------- 问答分组 ---------- */
.page-faq .fq-group {
  padding: var(--s6) 0;
}

.page-faq .fq-group + .fq-group {
  position: relative;
  border-top: 1px solid var(--line-soft);
}

.page-faq .fq-group + .fq-group::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 5px;
  background: repeating-linear-gradient(
    115deg,
    rgba(43, 231, 214, 0.4) 0 2px,
    rgba(43, 231, 214, 0) 2px 13px
  );
}

.page-faq .fq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: var(--s3);
  row-gap: 6px;
  align-items: baseline;
  margin-bottom: var(--s4);
}

.page-faq .fq-group__num {
  grid-row: 1;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-faq .fq-group__title {
  grid-column: 2;
  margin: 0;
  font-family: var(--font-editorial);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--paper);
}

.page-faq .fq-group__note {
  grid-column: 2;
  margin: 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .fq-group__body {
  display: grid;
  gap: var(--s5);
}

/* ---------- 可展开问答项 ---------- */
.page-faq .fq-list {
  display: grid;
  gap: var(--s3);
}

.page-faq .fq-item {
  position: relative;
  background: var(--navy);
  border: 1px solid var(--line-soft);
  border-left: 3px solid transparent;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  transition: border-color 0.22s ease, background 0.22s ease, transform 0.22s ease;
}

.page-faq .fq-item:hover {
  border-color: var(--line);
}

.page-faq .fq-item[open] {
  border-left-color: var(--cyan);
  border-color: var(--line);
  background: var(--steel);
  transform: translateX(4px);
}

.page-faq .fq-item__q {
  display: flex;
  align-items: flex-start;
  gap: var(--s2);
  padding: var(--s4) var(--s4) var(--s4) var(--s3);
  font-family: var(--font-editorial);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
  transition: color 0.22s ease;
}

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

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

.page-faq .fq-item__sign {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 4px;
}

.page-faq .fq-item__sign::before,
.page-faq .fq-item__sign::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  border-radius: 1px;
}

.page-faq .fq-item__sign::before {
  left: 0;
  top: 8px;
  width: 18px;
  height: 2px;
}

.page-faq .fq-item__sign::after {
  left: 8px;
  top: 0;
  width: 2px;
  height: 18px;
  transition: transform 0.22s ease, opacity 0.22s ease;
}

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

.page-faq .fq-item__a {
  padding: 0 var(--s4) var(--s5) calc(var(--s3) + 2px);
}

.page-faq .fq-item__a p {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--paper);
}

.page-faq .fq-item__a a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .fq-item__a a:hover {
  color: var(--cyan-soft);
}

/* ---------- 小屏阅读配图 ---------- */
.page-faq .fq-shot {
  margin: 0;
}

.page-faq .fq-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border: 1px solid var(--line-soft);
}

.page-faq .fq-shot figcaption {
  margin-top: 10px;
  padding-left: 10px;
  border-left: 2px solid var(--cyan);
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 联系卡片 ---------- */
.page-faq .fq-help__card {
  position: relative;
  overflow: hidden;
  padding: var(--s5) var(--s4);
  background: var(--paper-2);
  color: var(--fq-paper-ink);
  border: 1px solid var(--fq-paper-line);
  border-radius: var(--radius);
  box-shadow: 0 20px 40px -30px rgba(0, 0, 0, 0.95);
}

.page-faq .fq-help__card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    112deg,
    rgba(14, 23, 48, 0.05) 0 1px,
    rgba(14, 23, 48, 0) 1px 15px
  );
  pointer-events: none;
}

.page-faq .fq-help__card > * {
  position: relative;
}

.page-faq .fq-help__title {
  margin: 0 0 var(--s3);
  font-family: var(--font-editorial);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--fq-paper-ink);
}

.page-faq .fq-help__list {
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 0 0 var(--s4);
  padding: 0;
}

.page-faq .fq-help__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 12px;
  font-size: 15px;
  line-height: 1.65;
}

.page-faq .fq-help__label {
  flex: 0 0 74px;
  color: rgba(14, 23, 48, 0.62);
}

.page-faq .fq-help__value {
  color: var(--fq-paper-ink);
  font-weight: 500;
}

.page-faq .fq-help__value--num {
  font-family: var(--font-data);
  letter-spacing: 0.02em;
}

.page-faq .fq-help__note {
  margin: 0 0 var(--s4);
  max-width: 42ch;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(14, 23, 48, 0.7);
}

.page-faq .fq-help__btn {
  display: inline-block;
  text-decoration: none;
}

/* ---------- 响应式 ---------- */
@media (max-width: 520px) {
  .page-faq .fq-facts {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  .page-faq .fq-facts li {
    display: flex;
    align-items: baseline;
    gap: 10px;
  }

  .page-faq .fq-facts__k {
    margin-top: 0;
  }

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

  .page-faq .fq-item[open] {
    transform: none;
  }
}

@media (min-width: 700px) {
  .page-faq .fq-index__list {
    gap: var(--s3);
  }

  .page-faq .fq-band {
    margin: var(--s7) 0 var(--s7);
  }
}

@media (min-width: 900px) {
  .page-faq .fq-hero {
    padding: var(--s7) 0 var(--s6);
  }

  .page-faq .fq-group {
    padding: var(--s7) 0;
  }

  .page-faq .fq-group__title {
    font-size: 30px;
  }

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

  .page-faq .fq-item__q {
    font-size: 18px;
    padding: var(--s4) var(--s5) var(--s4) var(--s4);
  }

  .page-faq .fq-item__a {
    padding: 0 var(--s5) var(--s5) calc(var(--s4) + 2px);
  }

  .page-faq .fq-group--split .fq-group__body {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    gap: var(--s6);
    align-items: start;
  }

  .page-faq .fq-help__card {
    padding: var(--s6) var(--s5);
  }

  .page-faq .fq-help__list li {
    gap: 2px 16px;
  }
}
<<<END>>>