.page-faq .section {
  padding-block: clamp(40px, 7vw, 72px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(28px, 5vw, 52px) clamp(36px, 6vw, 64px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -42%;
  right: -26%;
  width: 640px;
  height: 640px;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 34%, rgba(122, 77, 255, 0.36), rgba(122, 77, 255, 0) 66%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  bottom: -34%;
  left: -18%;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 122, 61, 0.16), rgba(255, 122, 61, 0) 68%);
  pointer-events: none;
}

.page-faq .faq-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 22px;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  max-width: 19ch;
  font-size: clamp(30px, 7.6vw, 62px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--mist);
}

@supports (-webkit-background-clip: text) or (background-clip: text) {
  .page-faq .faq-hero__title {
    background-image: linear-gradient(116deg, #F4F6FF 38%, var(--violet-glow) 74%, var(--warm-orange) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
  }
}

.page-faq .faq-hero__lede {
  margin-top: 20px;
  max-width: 54ch;
}

.page-faq .hero-tally {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 34px;
  list-style: none;
  margin: 34px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
}

.page-faq .hero-tally__item {
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.page-faq .hero-tally__num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
  letter-spacing: -0.02em;
}

.page-faq .hero-tally__label {
  font-size: 13.5px;
  color: var(--steel);
  letter-spacing: 0.02em;
}

/* ---------- 入口比对 ---------- */
.page-faq .faq-check {
  position: relative;
  overflow: hidden;
}

.page-faq .faq-check::after {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -38%;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 122, 61, 0.14), rgba(255, 122, 61, 0) 66%);
  pointer-events: none;
}

.page-faq .faq-check .wrap {
  position: relative;
  z-index: 1;
}

.page-faq .faq-check__head {
  margin-bottom: 30px;
}

.page-faq .faq-check__head .lede {
  max-width: 62ch;
  margin-top: 14px;
}

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

.page-faq .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  counter-reset: check;
}

.page-faq .check-list__item {
  border-bottom: 1px solid var(--line);
}

.page-faq .check-row {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 18px 4px;
  cursor: pointer;
  transition: background-color 0.3s var(--ease);
}

.page-faq .check-row:hover {
  background-color: rgba(122, 77, 255, 0.07);
}

.page-faq .check-row__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .check-row__box {
  position: relative;
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background-color: rgba(11, 16, 38, 0.55);
  transition: background-color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .check-row__input:checked + .check-row__box {
  background-color: var(--neon-violet);
  border-color: var(--neon-violet);
}

.page-faq .check-row__input:checked + .check-row__box::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 1px;
  width: 5px;
  height: 11px;
  border-right: 2px solid #FFFFFF;
  border-bottom: 2px solid #FFFFFF;
  transform: rotate(42deg);
}

.page-faq .check-row__input:focus-visible + .check-row__box {
  outline: 2px solid var(--violet-glow);
  outline-offset: 3px;
}

.page-faq .check-row__text {
  transition: opacity 0.25s var(--ease);
}

.page-faq .check-row__input:checked ~ .check-row__text {
  opacity: 0.58;
}

.page-faq .check-row__title {
  display: block;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--mist);
}

.page-faq .check-row__desc {
  display: block;
  margin-top: 6px;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--steel);
}

.page-faq .faq-shot {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  background-color: var(--ink-navy-soft);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-shot img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.page-faq .faq-shot__cap {
  padding: 14px 18px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--steel);
  border-top: 1px solid var(--line-soft);
}

/* ---------- 问答区 ---------- */
.page-faq .faq-qa__layout {
  display: grid;
  gap: 34px;
}

.page-faq .qa-index__caption {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-faq .qa-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .qa-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13.5px;
  line-height: 1.4;
  color: var(--steel);
  text-decoration: none;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}

.page-faq .qa-index__link:hover {
  color: var(--mist);
  border-color: var(--line-strong);
}

.page-faq .qa-index__link.is-active {
  color: var(--mist);
  border-color: var(--line-strong);
  background-color: rgba(122, 77, 255, 0.16);
}

.page-faq .qa-index__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--neon-violet);
}

.page-faq .qa-index__link.is-active .qa-index__num {
  color: var(--amber);
}

.page-faq .qa-group + .qa-group {
  margin-top: 62px;
}

.page-faq .qa-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .qa-group__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-faq .qa-group__title {
  margin: 0;
  font-size: clamp(21px, 4.4vw, 32px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-faq .qa-group__lede {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--steel);
}

.page-faq .qa-item {
  border-bottom: 1px solid var(--line);
}

.page-faq .qa-item__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px 2px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.58;
  color: var(--mist);
  transition: color 0.25s var(--ease);
}

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

.page-faq .qa-item__q:hover {
  color: var(--violet-glow);
}

.page-faq .qa-item__sign {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 3px;
}

.page-faq .qa-item__sign::before,
.page-faq .qa-item__sign::after {
  content: "";
  position: absolute;
  background-color: var(--neon-violet);
  transition: transform 0.3s var(--ease), background-color 0.25s var(--ease);
}

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

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

.page-faq .qa-item__q:hover .qa-item__sign::before,
.page-faq .qa-item__q:hover .qa-item__sign::after {
  background-color: var(--violet-glow);
}

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

.page-faq .qa-item__a {
  padding: 0 2px 22px 32px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--steel);
}

.page-faq .qa-item__a p {
  margin: 0;
  max-width: 62ch;
}

.page-faq .qa-item__a a {
  color: var(--violet-glow);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .qa-item__a a:hover {
  color: var(--amber);
  border-color: var(--amber);
}

.page-faq .visit-shot {
  margin: 24px 0 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  background-color: var(--ink-navy-soft);
}

.page-faq .visit-shot img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .visit-shot__cap {
  padding: 13px 18px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--steel);
  border-top: 1px solid var(--line-soft);
}

/* ---------- 未解决 ---------- */
.page-faq .help-card {
  position: relative;
  overflow: hidden;
  padding: 34px 24px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-l);
  background-image:
    radial-gradient(120% 100% at 0% 0%, rgba(122, 77, 255, 0.24), rgba(122, 77, 255, 0) 62%),
    radial-gradient(90% 90% at 100% 100%, rgba(255, 122, 61, 0.16), rgba(255, 122, 61, 0) 64%),
    linear-gradient(158deg, var(--ink-navy-soft), var(--ink-navy-deep));
  box-shadow: var(--shadow-soft);
}

.page-faq .help-card__title {
  margin: 12px 0 0;
  font-size: clamp(22px, 4.6vw, 34px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-faq .help-card__text {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--steel);
}

.page-faq .help-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .help-card__facts {
  display: grid;
  gap: 14px;
  margin: 30px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.page-faq .help-fact {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.page-faq .help-fact__key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--steel);
}

.page-faq .help-fact__val {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--mist);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .help-card {
    padding: 46px 48px;
  }

  .page-faq .help-card__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-check__grid {
    grid-template-columns: minmax(0, 1.38fr) minmax(0, 0.62fr);
    gap: 52px;
    align-items: start;
  }

  .page-faq .faq-shot {
    position: sticky;
    top: calc(var(--header-h) + 32px);
  }

  .page-faq .check-row {
    padding: 20px 8px;
  }

  .page-faq .qa-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-faq .qa-index__link {
    border-color: transparent;
    border-radius: var(--radius-s);
    padding: 10px 14px;
    justify-content: flex-start;
  }

  .page-faq .qa-item__q {
    font-size: 16.5px;
    padding: 22px 2px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-qa__layout {
    grid-template-columns: 196px minmax(0, 1fr);
    gap: 60px;
    align-items: start;
  }

  .page-faq .qa-index {
    position: sticky;
    top: calc(var(--header-h) + 32px);
  }

  .page-faq .qa-group + .qa-group {
    margin-top: 78px;
  }
}

@media (max-width: 420px) {
  .page-faq .hero-tally {
    gap: 10px 22px;
  }

  .page-faq .hero-tally__num {
    font-size: 22px;
  }

  .page-faq .check-row {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 12px;
  }

  .page-faq .qa-item__a {
    padding-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .check-row,
  .page-faq .check-row__box,
  .page-faq .check-row__text,
  .page-faq .qa-item__q,
  .page-faq .qa-item__sign::before,
  .page-faq .qa-item__sign::after,
  .page-faq .qa-index__link {
    transition: none;
  }
}