.page-faq {
  --faq-line: rgba(168, 243, 236, .14);
  --faq-line-strong: rgba(46, 230, 214, .42);
  --faq-ink-soft: rgba(245, 241, 232, .84);
  display: block;
  color: var(--yh-shell);
  font-family: var(--yh-font-body);
  padding-bottom: 44px;
}

/* ============ 首屏 ============ */
.page-faq .faq-hero {
  position: relative;
  padding-top: 34px;
  overflow: hidden;
}

.page-faq .faq-hero__glow {
  position: absolute;
  top: -140px;
  left: -18%;
  width: 130%;
  height: 340px;
  background:
    radial-gradient(circle at 26% 42%, rgba(46, 230, 214, .20), transparent 60%),
    radial-gradient(circle at 76% 16%, rgba(255, 138, 61, .16), transparent 58%),
    radial-gradient(circle at 52% 88%, rgba(59, 42, 99, .5), transparent 62%);
  filter: blur(10px);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: center;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-family: var(--yh-font-head);
  font-weight: 800;
  font-size: clamp(30px, 5vw, 50px);
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--yh-shell);
}

.page-faq .faq-hero__lead {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .faq-hero__art {
  position: relative;
  margin: 0;
  border-radius: var(--yh-radius);
  overflow: hidden;
  border: 1px solid rgba(168, 243, 236, .2);
  background: linear-gradient(150deg, rgba(59, 42, 99, .5), rgba(11, 31, 58, .94));
}

.page-faq .faq-hero__art img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-faq .faq-hero__art::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 7px;
  background: repeating-linear-gradient(90deg, rgba(46, 230, 214, .65) 0 2px, transparent 2px 13px);
  opacity: .6;
  pointer-events: none;
}

.page-faq .faq-hero__cap {
  position: absolute;
  left: 12px;
  bottom: 16px;
  padding: 5px 11px;
  border-radius: 999px;
  font-family: var(--yh-font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--yh-shell);
  background: rgba(6, 14, 28, .74);
  border: 1px solid rgba(168, 243, 236, .22);
  backdrop-filter: blur(6px);
}

/* ============ 跳转带 ============ */
.page-faq .faq-jump {
  margin-top: 26px;
}

.page-faq .faq-jump__label {
  margin: 0;
  font-family: var(--yh-font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--yh-mist);
}

.page-faq .faq-jump__list {
  display: flex;
  gap: 8px;
  margin: 10px 0 0;
  padding: 2px 2px 10px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-jump__list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-jump__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(168, 243, 236, .18);
  background: rgba(18, 44, 79, .62);
  color: var(--yh-shell);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .22s var(--yh-ease), background .22s var(--yh-ease), transform .22s var(--yh-ease);
}

.page-faq .faq-jump__link i {
  font-family: var(--yh-font-mono);
  font-style: normal;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--yh-lime);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  border-color: var(--faq-line-strong);
  background: rgba(46, 230, 214, .13);
  transform: translateY(-2px);
  outline: none;
}

/* ============ 问答区 ============ */
.page-faq .faq-section {
  padding-top: 34px;
}

.page-faq .faq-section__title {
  margin: 0;
  font-family: var(--yh-font-head);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--yh-shell);
}

.page-faq .faq-section__hint {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--yh-mist);
}

.page-faq .faq-list {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-faq .faq-item {
  border-radius: var(--yh-radius);
  border: 1px solid var(--faq-line);
  background: linear-gradient(165deg, rgba(18, 44, 79, .72), rgba(6, 14, 28, .92));
  scroll-margin-top: 90px;
  transition: border-color .24s var(--yh-ease), box-shadow .24s var(--yh-ease), transform .24s var(--yh-ease);
}

.page-faq .faq-item:hover {
  transform: translateY(-3px);
}

.page-faq .faq-item[open] {
  border-color: rgba(46, 230, 214, .38);
  box-shadow: 0 24px 48px -32px rgba(46, 230, 214, .8);
}

.page-faq .faq-item__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 56px;
  padding: 16px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .faq-item__summary:focus-visible {
  outline: 1px solid rgba(46, 230, 214, .6);
  outline-offset: -3px;
  border-radius: var(--yh-radius);
}

.page-faq .faq-item__num {
  flex: none;
  align-self: flex-start;
  margin-top: 2px;
  padding: 3px 9px;
  border-radius: 8px;
  font-family: var(--yh-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--yh-abyss);
  background: var(--yh-orange);
}

.page-faq .faq-item__q {
  min-width: 0;
  margin: 0;
  font-family: var(--yh-font-head);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--yh-shell);
}

.page-faq .faq-item__mark {
  position: relative;
  flex: none;
  width: 26px;
  height: 26px;
  margin-left: auto;
  border-radius: 50%;
  border: 1px solid rgba(168, 243, 236, .3);
  background: rgba(46, 230, 214, .06);
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  left: 6px;
  right: 6px;
  top: 50%;
  height: 2px;
  border-radius: 2px;
  background: var(--yh-cyan);
  transform: translateY(-50%);
  transition: transform .24s var(--yh-ease);
}

.page-faq .faq-item__mark::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: translateY(-50%) rotate(0deg);
}

.page-faq .faq-item__body {
  padding: 16px;
  border-top: 1px dashed rgba(168, 243, 236, .16);
  animation: faq-body-in .24s var(--yh-ease) both;
}

.page-faq .faq-item__lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .faq-item__body a {
  color: var(--yh-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 230, 214, .4);
}

.page-faq .faq-item__body a:hover,
.page-faq .faq-item__body a:focus-visible {
  border-bottom-color: var(--yh-cyan);
  outline: none;
}

/* 步骤清单 */
.page-faq .faq-steps {
  list-style: none;
  margin: 16px 0 0;
  padding: 14px 14px 4px;
  border-radius: var(--yh-radius-sm);
  background: rgba(168, 243, 236, .05);
  border: 1px solid rgba(168, 243, 236, .16);
}

.page-faq .faq-steps__item {
  position: relative;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 14px;
}

.page-faq .faq-steps__item::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 30px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(rgba(46, 230, 214, .55), rgba(46, 230, 214, .04));
}

.page-faq .faq-steps__item:last-child {
  padding-bottom: 0;
}

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

.page-faq .faq-steps__no {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  font-family: var(--yh-font-mono);
  font-size: 12px;
  color: var(--yh-cyan);
  background: rgba(46, 230, 214, .1);
  border: 1px solid rgba(46, 230, 214, .3);
}

.page-faq .faq-steps__text {
  padding-top: 1px;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(245, 241, 232, .9);
}

.page-faq .faq-steps__text .yh-mono {
  color: var(--yh-lime);
}

.page-faq .faq-result {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(143, 166, 196, .96);
}

.page-faq .faq-result__tag {
  flex: none;
  margin-top: 3px;
  padding: 1px 8px;
  border-radius: 999px;
  font-family: var(--yh-font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--yh-lime);
  background: rgba(184, 241, 77, .1);
  border: 1px solid rgba(184, 241, 77, .38);
}

.page-faq .faq-note {
  margin: 12px 0 0;
  padding-left: 12px;
  border-left: 2px solid rgba(255, 138, 61, .5);
  font-size: 14px;
  line-height: 1.75;
  color: var(--yh-mist);
}

/* 复制字段 */
.page-faq .faq-copyrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 16px 0 0;
}

.page-faq .faq-copyrow__label {
  font-family: var(--yh-font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--yh-mist);
}

.page-faq .yh-copy {
  padding: 6px 12px;
  border-radius: 10px;
  border: 1px solid rgba(46, 230, 214, .35);
  background: rgba(46, 230, 214, .1);
  color: var(--yh-cyan);
  font-family: var(--yh-font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  cursor: pointer;
  transition: background .2s var(--yh-ease), border-color .2s var(--yh-ease);
}

.page-faq .yh-copy:hover,
.page-faq .yh-copy:focus-visible {
  background: rgba(46, 230, 214, .2);
  border-color: var(--yh-line-strong);
  outline: none;
}

/* 图文并排 */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-faq .faq-split__art {
  margin: 0;
  max-width: 240px;
  justify-self: center;
  border-radius: var(--yh-radius-sm);
  overflow: hidden;
  border: 1px solid rgba(168, 243, 236, .18);
  background: linear-gradient(160deg, rgba(59, 42, 99, .45), rgba(6, 14, 28, .9));
}

.page-faq .faq-split__art img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.page-faq .faq-split__art figcaption {
  padding: 8px 10px 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--yh-mist);
}

/* ============ 收尾联系 ============ */
.page-faq .faq-help {
  margin-top: 46px;
}

.page-faq .faq-help__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  padding: 24px 20px;
  border-radius: var(--yh-radius);
  border: 1px solid rgba(46, 230, 214, .22);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(255, 138, 61, .16), transparent 56%),
    radial-gradient(120% 150% at 100% 100%, rgba(46, 230, 214, .14), transparent 60%),
    linear-gradient(160deg, rgba(18, 44, 79, .86), rgba(6, 14, 28, .94));
}

.page-faq .faq-help__copy h2 {
  margin: 10px 0 0;
  font-family: var(--yh-font-head);
  font-size: clamp(21px, 2.6vw, 27px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--yh-shell);
}

.page-faq .faq-help__copy p {
  margin: 10px 0 18px;
  max-width: 40ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .faq-help__panel {
  padding: 14px 16px;
  border-radius: var(--yh-radius-sm);
  border: 1px solid rgba(168, 243, 236, .16);
  background: rgba(6, 14, 28, .55);
}

.page-faq .faq-help__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(168, 243, 236, .14);
  font-size: 14px;
  line-height: 1.7;
  color: var(--faq-ink-soft);
}

.page-faq .faq-help__row:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-help__row > span:first-child {
  flex: none;
  min-width: 72px;
  font-size: 13px;
  color: var(--yh-mist);
}

@keyframes faq-body-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============ 桌面 ============ */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-top: 52px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 46px;
  }

  .page-faq .faq-item__summary {
    padding: 18px 22px;
  }

  .page-faq .faq-item__q {
    font-size: 18px;
  }

  .page-faq .faq-item__body {
    padding: 18px 22px 22px;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) 200px;
    gap: 26px;
    align-items: start;
  }

  .page-faq .faq-split__art {
    max-width: 200px;
    justify-self: end;
  }

  .page-faq .faq-help__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: center;
    gap: 34px;
    padding: 32px 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__body {
    animation: none;
  }

  .page-faq .faq-item,
  .page-faq .faq-jump__link,
  .page-faq .faq-item__mark::after {
    transition: none;
  }

  .page-faq .faq-item:hover,
  .page-faq .faq-jump__link:hover {
    transform: none;
  }
}

.page-faq {
  --yh-line-strong: currentColor;
}