.page-faq {
  --faq-glass-top: rgba(22, 34, 74, .74);
  --faq-glass-bottom: rgba(14, 22, 48, .88);
  --faq-cyan-line: rgba(34, 224, 214, .42);
  --faq-violet-line: rgba(124, 77, 255, .34);
  --faq-violet-ink: #A78BFF;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding-top: clamp(22px, 4vw, 44px);
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-faq .faq-hero__grid {
  align-items: center;
  row-gap: clamp(30px, 5vw, 52px);
}

.page-faq .faq-hero__copy {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  font-size: 14px;
  color: var(--mist);
}

.page-faq .faq-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-hero__facts .mono {
  color: var(--cyan);
  font-size: 15px;
}

.page-faq .faq-hero__figure {
  margin: 0;
  border-radius: var(--r-xl);
  border: 1px solid var(--line);
  overflow: hidden;
  background:
    radial-gradient(120% 110% at 18% 0%, rgba(124, 77, 255, .3), transparent 62%),
    linear-gradient(160deg, #101C3D, #070B1A);
}

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

/* ---------- 三步流程 ---------- */

.page-faq .faq-steps__head {
  max-width: 720px;
}

.page-faq .faq-flow {
  list-style: none;
  margin: clamp(30px, 5vw, 54px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-faq .faq-flow__item + .faq-flow__item {
  border-top: 1px dashed var(--faq-cyan-line);
}

.page-faq .faq-flow__link {
  display: block;
  padding: 26px 2px;
  text-decoration: none;
  color: inherit;
}

.page-faq .faq-flow__idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--faq-cyan-line);
  color: var(--cyan);
  font-size: 15px;
  letter-spacing: .04em;
  transition: background-color .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}

.page-faq .faq-flow__link:hover .faq-flow__idx,
.page-faq .faq-flow__link:focus-visible .faq-flow__idx {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--deep);
}

.page-faq .faq-flow__title {
  margin: 16px 0 8px;
  transition: color .3s var(--ease);
}

.page-faq .faq-flow__link:hover .faq-flow__title,
.page-faq .faq-flow__link:focus-visible .faq-flow__title {
  color: var(--cyan);
}

.page-faq .faq-flow__text {
  margin: 0;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.72;
  max-width: 40ch;
}

.page-faq .faq-flow__jump {
  display: inline-block;
  margin-top: 14px;
  font-size: 14px;
  color: var(--cyan);
  border-bottom: 1px dashed var(--faq-cyan-line);
}

/* ---------- 答案卡 ---------- */

.page-faq .faq-answers__head {
  max-width: 760px;
}

.page-faq .faq-answers__col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-faq .faq-answers__col-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--mist);
}

.page-faq .dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.page-faq .dot--cyan {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(34, 224, 214, .16);
}

.page-faq .dot--violet {
  background: var(--violet);
  box-shadow: 0 0 0 4px rgba(124, 77, 255, .2);
}

.page-faq .faq-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, var(--faq-glass-top), var(--faq-glass-bottom));
  overflow: hidden;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}

.page-faq .faq-card:hover {
  border-color: #35498A;
}

.page-faq .faq-card[open] {
  border-color: var(--faq-cyan-line);
  box-shadow: 0 18px 44px rgba(3, 6, 18, .48);
}

.page-faq .faq-card__head {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 22px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ice);
}

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

.page-faq .faq-card__head::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--orange);
  opacity: 0;
  transition: opacity .25s var(--ease);
}

.page-faq .faq-card[open] .faq-card__head::before {
  opacity: 1;
}

.page-faq .faq-card__sign {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  margin-left: auto;
}

.page-faq .faq-card__sign::before,
.page-faq .faq-card__sign::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform .25s var(--ease), opacity .25s var(--ease);
}

.page-faq .faq-card__sign::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  margin-top: -1px;
}

.page-faq .faq-card__sign::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  margin-left: -1px;
}

.page-faq .faq-card[open] .faq-card__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-card__body {
  padding: 18px 22px 22px;
  border-top: 1px solid rgba(42, 58, 107, .72);
  color: var(--mist);
  font-size: 16px;
  line-height: 1.75;
}

.page-faq .faq-card__body p {
  margin: 0 0 12px;
}

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

.page-faq .faq-card__body strong {
  color: var(--ice);
  font-weight: 600;
}

.page-faq .faq-card__body a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-color: rgba(34, 224, 214, .42);
  text-underline-offset: 3px;
}

.page-faq .faq-steps-list {
  list-style: none;
  counter-reset: faqstep;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-steps-list li {
  position: relative;
  counter-increment: faqstep;
  padding-left: 38px;
}

.page-faq .faq-steps-list li::before {
  content: counter(faqstep);
  position: absolute;
  left: 0;
  top: 2px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--faq-violet-line);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--faq-violet-ink);
}

/* ---------- 版本号 / 时间戳对照 ---------- */

.page-faq .faq-split {
  display: grid;
  gap: 12px;
  margin: 4px 0 14px;
}

.page-faq .faq-split__cell {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 16px 18px;
  background: rgba(7, 11, 26, .62);
}

.page-faq .faq-split__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: .02em;
}

.page-faq .faq-split__cell--a .faq-split__label {
  color: var(--cyan);
}

.page-faq .faq-split__cell--b .faq-split__label {
  color: var(--faq-violet-ink);
}

.page-faq .faq-split__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 旁注图 ---------- */

.page-faq .faq-figure {
  margin: 6px 0 0;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  background: linear-gradient(180deg, rgba(16, 28, 61, .9), rgba(7, 11, 26, .92));
}

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

.page-faq .faq-figure__caption {
  display: block;
  padding: 12px 16px;
  border-top: 1px solid rgba(42, 58, 107, .72);
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 客服渠道卡 ---------- */

.page-faq .faq-contact {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-xl);
  border: 1px solid var(--faq-violet-line);
  background: #101C3D;
  padding: clamp(28px, 5vw, 56px);
}

.page-faq .faq-contact::after {
  content: "";
  position: absolute;
  right: -130px;
  top: -130px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 224, 214, .2), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-contact__main {
  position: relative;
  max-width: 780px;
}

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

.page-faq .faq-contact__text {
  margin: 16px 0 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 28px 0 0;
  padding: 26px 0 0;
  border-top: 1px solid rgba(124, 77, 255, .3);
  display: grid;
  gap: 14px;
}

.page-faq .faq-contact__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
}

.page-faq .faq-contact__k {
  flex: none;
  width: 96px;
  font-size: 14px;
  color: var(--mist);
}

.page-faq .faq-contact__v {
  font-size: 17px;
  color: var(--ice);
  word-break: break-word;
}

.page-faq .faq-contact__foot {
  margin: 26px 0 0;
  font-size: 15px;
  color: var(--mist);
}

.page-faq .faq-contact__foot a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-color: rgba(34, 224, 214, .42);
  text-underline-offset: 3px;
}

/* ---------- 高频问答 ---------- */

.page-faq .faq-mini-head {
  max-width: 640px;
}

.page-faq .faq-mini-grid {
  margin-top: clamp(28px, 4vw, 46px);
  display: grid;
  gap: 14px;
}

.page-faq .faq-mini {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(14, 22, 48, .62);
  transition: border-color .25s var(--ease), background-color .25s var(--ease);
}

.page-faq .faq-mini[open] {
  border-color: var(--faq-violet-line);
  background: rgba(22, 34, 74, .76);
}

.page-faq .faq-mini__q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 17px 20px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.55;
  color: var(--ice);
}

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

.page-faq .faq-mini__q::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-mini[open] .faq-mini__q::after {
  content: "−";
}

.page-faq .faq-mini__a {
  padding: 0 20px 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-faq .faq-split {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-mini-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-flow {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-flow__item {
    padding-right: 36px;
  }

  .page-faq .faq-flow__item + .faq-flow__item {
    border-top: 0;
    border-left: 1px dashed var(--faq-cyan-line);
    padding-left: 36px;
  }

  .page-faq .faq-flow__item:last-child {
    padding-right: 0;
  }

  .page-faq .faq-flow__link {
    padding: 6px 0;
  }

  .page-faq .faq-answers__grid {
    row-gap: 0;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-answers__col {
    gap: 18px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-card,
  .page-faq .faq-mini,
  .page-faq .faq-card__sign::before,
  .page-faq .faq-card__sign::after,
  .page-faq .faq-card__head::before,
  .page-faq .faq-flow__idx,
  .page-faq .faq-flow__title {
    transition: none;
  }
}