.page-faq {
  --faq-radius: 24px;
  --faq-sticky-top: 104px;
  --faq-green-soft: rgba(183, 255, 60, 0.08);
  --faq-line-soft: rgba(36, 67, 92, 0.55);
  background: var(--wb-ink);
  color: var(--wb-white);
}

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

.page-faq .faq-crumb {
  padding-top: 18px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin-top: 14px;
  padding: clamp(22px, 4.5vw, 52px) 0 clamp(26px, 4.5vw, 52px);
  border-bottom: 1px solid var(--wb-line);
  background:
    radial-gradient(circle at 84% 6%, rgba(183, 255, 60, 0.11), transparent 48%),
    radial-gradient(circle at 10% 96%, rgba(79, 227, 208, 0.08), transparent 44%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--wb-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--wb-line) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.2;
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000 0%, transparent 76%);
  mask-image: radial-gradient(ellipse at 50% 0%, #000 0%, transparent 76%);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  gap: 24px;
}

.page-faq .faq-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--wb-green);
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-size: clamp(30px, 8vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.04em;
  font-weight: 900;
  text-wrap: balance;
}

.page-faq .faq-hero__hl {
  color: var(--wb-green);
}

.page-faq .faq-hero__lead {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: clamp(15px, 1.8vw, 18px);
  line-height: 1.78;
  color: var(--wb-gray);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.page-faq .faq-hero__metaitem {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px solid var(--wb-line);
  border-radius: var(--wb-pill);
  font-size: 12px;
  color: var(--wb-gray);
  background: rgba(12, 22, 34, 0.7);
}

.page-faq .faq-hero__metaitem .wb-mono {
  color: var(--wb-green);
  font-size: 12px;
}

.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--wb-line);
  border-radius: var(--faq-radius);
  overflow: hidden;
  background: linear-gradient(158deg, var(--wb-panel), var(--wb-ink));
}

.page-faq .faq-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 三步上手 ---------- */
.page-faq .faq-steps {
  padding: clamp(32px, 5vw, 64px) 0 clamp(10px, 2vw, 20px);
}

.page-faq .faq-steps__head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-steps__title {
  margin: 0 0 10px;
  font-size: clamp(22px, 3.4vw, 34px);
  letter-spacing: -0.03em;
  font-weight: 800;
}

.page-faq .faq-steps__note {
  margin: 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--wb-gray);
}

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

.page-faq .faq-step {
  position: relative;
  padding: 18px;
  border: 1px solid var(--wb-line);
  border-radius: var(--faq-radius);
  background: var(--wb-panel);
  transition: border-color var(--wb-ease), transform var(--wb-ease);
}

.page-faq .faq-step:hover {
  border-color: rgba(183, 255, 60, 0.45);
  transform: translateY(-2px);
}

.page-faq .faq-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--wb-pill);
  background: var(--wb-green);
  color: var(--wb-ink);
  font-family: var(--wb-mono);
  font-size: 13px;
  font-weight: 700;
}

.page-faq .faq-step__title {
  margin: 14px 0 8px;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: -0.01em;
  font-weight: 700;
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--wb-gray);
}

/* ---------- 主体：目录 + 问答 ---------- */
.page-faq .faq-body {
  padding: clamp(28px, 4.5vw, 52px) 0 clamp(10px, 2vw, 20px);
  border-top: 1px solid var(--wb-line-soft, var(--wb-line));
}

.page-faq .faq-body__grid {
  display: grid;
  gap: 24px;
}

.page-faq .faq-index {
  border: 1px solid var(--wb-line);
  border-radius: var(--faq-radius);
  background: var(--wb-panel);
  padding: 14px;
}

.page-faq .faq-index__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--wb-dim);
}

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

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

.page-faq .faq-index__link {
  display: flex;
  flex: none;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--wb-line);
  border-radius: var(--wb-pill);
  color: var(--wb-gray);
  text-decoration: none;
  white-space: nowrap;
  font-size: 13px;
  transition: color var(--wb-ease), border-color var(--wb-ease), background var(--wb-ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--wb-white);
  border-color: var(--wb-green);
  background: var(--faq-green-soft);
}

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

.page-faq .faq-index__num {
  font-family: var(--wb-mono);
  font-size: 11px;
  color: var(--wb-green);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: var(--faq-sticky-top);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(28px, 4vw, 44px);
}

.page-faq .faq-group__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-size: clamp(18px, 2.6vw, 24px);
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-faq .faq-group__num {
  font-family: var(--wb-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--wb-ink);
  background: var(--wb-green);
  border-radius: var(--wb-pill);
  padding: 3px 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--wb-line);
  border-radius: var(--faq-radius);
  background: var(--wb-panel);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color var(--wb-ease), background var(--wb-ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(183, 255, 60, 0.45);
  background: linear-gradient(180deg, var(--faq-green-soft), var(--wb-panel) 62%);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  line-height: 1.55;
  font-weight: 700;
  color: var(--wb-white);
  transition: color var(--wb-ease);
}

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

.page-faq .faq-item__q:hover {
  color: var(--wb-green);
}

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

.page-faq .faq-item__icon {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 1px solid var(--wb-line);
  border-radius: var(--wb-pill);
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--wb-green);
  transform: translate(-50%, -50%);
}

.page-faq .faq-item__icon::before {
  width: 10px;
  height: 2px;
}

.page-faq .faq-item__icon::after {
  width: 2px;
  height: 10px;
  transition: transform var(--wb-ease), opacity var(--wb-ease);
}

.page-faq .faq-item[open] .faq-item__icon::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__icon {
  border-color: var(--wb-green);
}

.page-faq .faq-item__a {
  padding: 0 18px 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--wb-gray);
}

.page-faq .faq-item__a > p:first-child {
  padding-top: 14px;
  border-top: 1px dashed var(--wb-line);
}

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

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

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

/* ---------- 订阅配图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 16px;
  border: 1px solid var(--wb-line);
  border-radius: var(--faq-radius);
  overflow: hidden;
  background: var(--wb-ink);
}

.page-faq .faq-figure img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  padding: 10px 16px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--wb-dim);
}

/* ---------- 小屏示意图 ---------- */
.page-faq .faq-screen {
  display: grid;
  gap: 8px;
  justify-items: start;
  margin-bottom: 16px;
}

.page-faq .faq-screen__frame {
  width: 150px;
  padding: 10px 8px 8px;
  border: 1px solid var(--wb-line);
  border-radius: 22px;
  background: linear-gradient(180deg, var(--wb-panel), var(--wb-ink));
}

.page-faq .faq-screen__notch {
  display: block;
  width: 42px;
  height: 4px;
  margin: 0 auto 6px;
  border-radius: var(--wb-pill);
  background: var(--wb-line);
}

.page-faq .faq-screen__rows {
  display: grid;
  gap: 5px;
}

.page-faq .faq-screen__rows span {
  display: block;
  height: 9px;
  border-radius: 3px;
  background: rgba(169, 182, 196, 0.22);
}

.page-faq .faq-screen__rows span:nth-child(2) {
  width: 78%;
  background: rgba(183, 255, 60, 0.55);
}

.page-faq .faq-screen__rows span:nth-child(4) {
  width: 64%;
  background: rgba(255, 106, 26, 0.45);
}

.page-faq .faq-screen__dock {
  display: flex;
  gap: 4px;
  margin-top: 8px;
}

.page-faq .faq-screen__dock span {
  flex: 1;
  padding: 4px 0;
  text-align: center;
  font-size: 9px;
  border-radius: var(--wb-pill);
  background: var(--wb-green);
  color: var(--wb-ink);
}

.page-faq .faq-screen__dock span + span {
  background: transparent;
  color: var(--wb-green);
  border: 1px solid var(--wb-green);
}

.page-faq .faq-screen__cap {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--wb-dim);
}

/* ---------- 收束 ---------- */
.page-faq .faq-end {
  padding: clamp(28px, 4.5vw, 48px) 0 clamp(36px, 5vw, 64px);
}

.page-faq .faq-end__inner {
  display: grid;
  gap: 14px;
  padding: clamp(22px, 4vw, 44px);
  border: 1px solid var(--wb-line);
  border-radius: var(--faq-radius);
  background:
    radial-gradient(circle at 88% 8%, rgba(183, 255, 60, 0.14), transparent 54%),
    var(--wb-panel);
}

.page-faq .faq-end__title {
  margin: 0;
  font-size: clamp(21px, 3.2vw, 30px);
  letter-spacing: -0.03em;
  font-weight: 800;
}

.page-faq .faq-end__text {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--wb-gray);
}

.page-faq .faq-end__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-item__q {
    padding: 20px 24px;
    font-size: 16px;
  }

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

  .page-faq .faq-step {
    padding: 22px;
  }
}

@media (min-width: 780px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: clamp(24px, 4vw, 56px);
  }

  .page-faq .faq-hero__media {
    aspect-ratio: 3 / 4;
  }

  .page-faq .faq-steps__list {
    position: relative;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-faq .faq-steps__list::before {
    content: "";
    position: absolute;
    left: 6%;
    right: 6%;
    top: 41px;
    height: 1px;
    background: repeating-linear-gradient(90deg, var(--wb-line) 0 8px, transparent 8px 16px);
  }

  .page-faq .faq-figure img {
    aspect-ratio: 2 / 1;
  }
}

@media (min-width: 920px) {
  .page-faq .faq-body__grid {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 60px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: var(--faq-sticky-top);
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-faq .faq-index__link {
    width: 100%;
    padding: 10px 12px;
    border-color: transparent;
    border-radius: 10px;
    white-space: normal;
    font-size: 14px;
  }

  .page-faq .faq-group__title {
    padding-bottom: 10px;
    border-bottom: 1px solid var(--wb-line);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-item,
  .page-faq .faq-index__link,
  .page-faq .faq-item__q,
  .page-faq .faq-item__icon::after {
    transition-duration: 1ms;
  }

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

.page-faq {
  --wb-line-soft: currentColor;
}