.page-faq {
  --faq-rail-w: 232px;
  --faq-gap: 34px;
  position: relative;
  padding: 26px 0 96px;
  color: var(--gr-text);
  background:
    radial-gradient(720px 380px at 84% -8%, rgba(108, 59, 255, .22), transparent 70%),
    radial-gradient(560px 320px at 4% 6%, rgba(0, 229, 160, .07), transparent 72%);
}

.page-faq .gr-crumbs {
  margin-bottom: 24px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-bottom: 34px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--gr-line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 96px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--gr-violet), var(--gr-green));
}

.page-faq .faq-hero__eyebrow {
  margin: 0 0 16px;
  color: var(--gr-violet-soft);
}

.page-faq .faq-hero__title {
  margin: 0 0 20px;
  max-width: 640px;
  font-size: clamp(30px, 5.4vw, 54px);
  font-weight: 250;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--gr-bright);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--gr-text);
}

.page-faq .faq-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 两栏框架 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-index {
  display: grid;
  gap: 22px;
  align-self: start;
}

.page-faq .faq-body {
  display: grid;
  gap: 52px;
  min-width: 0;
}

/* ---------- 左栏索引 ---------- */
.page-faq .faq-index__figure {
  margin: 0;
  border-radius: var(--gr-r-lg);
  overflow: hidden;
  border: 1px solid var(--gr-line);
  background: var(--gr-panel);
}

.page-faq .faq-index__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-faq .faq-index__nav {
  display: grid;
  gap: 10px;
  padding: 16px;
  border-radius: var(--gr-r-lg);
  border: 1px solid var(--gr-line);
  background: rgba(20, 20, 31, .62);
}

.page-faq .faq-index__title {
  margin: 0;
  color: var(--gr-muted);
}

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

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--gr-r-md);
  border-left: 2px solid transparent;
  color: var(--gr-text);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: background-color .2s var(--gr-ease), border-color .2s var(--gr-ease), color .2s var(--gr-ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: rgba(108, 59, 255, .16);
  border-left-color: var(--gr-green);
  color: var(--gr-bright);
}

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

.page-faq .faq-index__no {
  flex: none;
  font-family: var(--gr-font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gr-violet-soft);
}

/* ---------- 分组标题 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 104px;
  min-width: 0;
}

.page-faq .faq-group__head {
  display: grid;
  gap: 8px;
  margin-bottom: 22px;
  padding-left: 18px;
  border-left: 3px solid var(--gr-violet);
}

.page-faq .faq-group__no {
  font-family: var(--gr-font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gr-green);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(21px, 3vw, 28px);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--gr-bright);
}

.page-faq .faq-group__lead {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gr-muted);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-list--after {
  margin-top: 20px;
}

.page-faq .faq-item {
  position: relative;
  border: 1px solid var(--gr-line);
  border-radius: var(--gr-r-lg);
  background: var(--gr-panel);
  overflow: hidden;
  transition: border-color .24s var(--gr-ease), box-shadow .24s var(--gr-ease);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--gr-green), rgba(0, 229, 160, .1));
  transform: scaleY(0);
  transform-origin: 50% 0;
  transition: transform .28s var(--gr-ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(169, 140, 255, .38);
}

.page-faq .faq-item[open] {
  border-color: rgba(108, 59, 255, .55);
  box-shadow: var(--gr-shadow-lift);
}

.page-faq .faq-item[open]::before {
  transform: scaleY(1);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 22px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.65;
  color: var(--gr-bright);
}

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

.page-faq .faq-item__q::marker {
  content: "";
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--gr-green);
  outline-offset: -2px;
}

.page-faq .faq-item__mark {
  position: relative;
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border-radius: 50%;
  border: 1px solid var(--gr-line);
  background: rgba(11, 11, 16, .6);
  transition: border-color .24s var(--gr-ease), background-color .24s var(--gr-ease);
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  border-radius: 2px;
  background: var(--gr-violet-soft);
  transition: transform .24s var(--gr-ease), background-color .24s var(--gr-ease);
}

.page-faq .faq-item__mark::before {
  width: 8px;
  height: 1.5px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-item__mark::after {
  width: 1.5px;
  height: 8px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-item[open] .faq-item__mark {
  border-color: rgba(0, 229, 160, .5);
  background: rgba(0, 229, 160, .12);
}

.page-faq .faq-item[open] .faq-item__mark::before {
  background: var(--gr-green);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-item__a {
  padding: 0 22px 20px 56px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--gr-text);
}

.page-faq .faq-item__a p {
  margin: 0;
}

.page-faq .faq-item__a p + p {
  margin-top: 10px;
}

/* ---------- 导出步骤 ---------- */
.page-faq .faq-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 14px;
  border-radius: var(--gr-r-md);
  border: 1px solid var(--gr-line);
  background: linear-gradient(180deg, rgba(108, 59, 255, .14), rgba(20, 20, 31, .55));
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--gr-text);
  transition: border-color .2s var(--gr-ease), transform .2s var(--gr-ease);
}

.page-faq .faq-steps__item:hover {
  border-color: rgba(0, 229, 160, .45);
  transform: translateY(-2px);
}

.page-faq .faq-steps__no {
  flex: none;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  font-family: var(--gr-font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--gr-ink);
  background: var(--gr-green);
}

/* ---------- 导出图 ---------- */
.page-faq .faq-figure {
  margin: 22px 0 0;
  border-radius: var(--gr-r-lg);
  overflow: hidden;
  border: 1px solid var(--gr-line);
  background: var(--gr-panel);
}

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

.page-faq .faq-figure figcaption {
  padding: 11px 16px;
  border-top: 1px solid var(--gr-line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--gr-muted);
}

/* ---------- 联系卡 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 22px;
  padding: 26px;
  border-radius: var(--gr-r-xl);
  border: 1px solid rgba(108, 59, 255, .4);
  background:
    radial-gradient(520px 240px at 92% 0%, rgba(0, 229, 160, .13), transparent 70%),
    linear-gradient(140deg, rgba(59, 31, 153, .52), rgba(20, 20, 31, .94));
}

.page-faq .faq-contact__label {
  margin: 0 0 10px;
  color: var(--gr-violet-soft);
}

.page-faq .faq-contact__value {
  margin: 0 0 10px;
  font-family: var(--gr-font-mono);
  font-size: clamp(16px, 3.2vw, 21px);
  line-height: 1.4;
  word-break: break-all;
  color: var(--gr-bright);
}

.page-faq .faq-contact__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--gr-muted);
}

.page-faq .faq-contact__facts {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 18px 0 0;
  border-top: 1px solid rgba(199, 202, 216, .14);
}

.page-faq .faq-contact__facts > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.page-faq .faq-contact__facts dt {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--gr-muted);
}

.page-faq .faq-contact__facts dd {
  margin: 0;
  font-size: 14px;
  text-align: right;
  color: var(--gr-bright);
}

.page-faq .faq-contact__cta {
  justify-self: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
    column-gap: 34px;
  }

  .page-faq .faq-contact__facts {
    padding: 0 0 0 26px;
    border-top: 0;
    border-left: 1px solid rgba(199, 202, 216, .14);
  }

  .page-faq .faq-contact__cta {
    grid-column: 1 / -1;
  }
}

@media (min-width: 940px) {
  .page-faq {
    --faq-gap: 46px;
  }

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 104px;
  }

  .page-faq .faq-item__q {
    font-size: 16.5px;
    padding: 20px 24px;
  }

  .page-faq .faq-item__a {
    padding: 0 24px 22px 58px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item::before,
  .page-faq .faq-item__mark,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after,
  .page-faq .faq-steps__item,
  .page-faq .faq-index__link {
    transition-duration: .01ms;
  }

  .page-faq .faq-steps__item:hover {
    transform: none;
  }
}