.page-faq {
  --faq-neon-soft: rgba(198, 255, 61, 0.14);
  --faq-blue-soft: rgba(47, 107, 255, 0.12);
  position: relative;
  background: var(--c-void);
  color: var(--c-white);
  overflow-x: clip;
  padding-bottom: var(--sp-5);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  padding: var(--sp-4) 0 var(--sp-4);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -34%;
  right: -14%;
  width: 82%;
  height: 158%;
  background: linear-gradient(202deg, rgba(47, 107, 255, 0.30), rgba(198, 255, 61, 0.13) 52%, transparent 78%);
  transform: skewX(-9deg);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--c-neon), var(--c-blue) 46%, transparent 88%);
}

.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-4);
  align-items: center;
}

.page-faq .faq-hero__copy {
  display: grid;
  gap: var(--sp-2);
  align-content: start;
  min-width: 0;
}

.page-faq .faq-hero__title {
  margin: 0;
  font-size: clamp(30px, 7vw, 46px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  transform: skewX(var(--skew));
  transform-origin: left bottom;
}

.page-faq .faq-hero__copy .lede {
  margin: 0;
  color: var(--c-mist);
  max-width: 40ch;
}

.page-faq .faq-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-2);
  margin-top: var(--sp-2);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--c-line);
}

.page-faq .faq-fact {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-faq .faq-fact__num {
  font-family: var(--font-mono);
  font-size: clamp(18px, 4.4vw, 26px);
  line-height: 1.15;
  color: var(--c-neon);
  letter-spacing: -0.01em;
}

.page-faq .faq-fact__label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--c-mist);
}

.page-faq .faq-hero__media {
  margin: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: linear-gradient(160deg, #131a24, var(--c-void) 72%);
}

.page-faq .faq-hero__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 880 / 560;
  object-fit: cover;
}

.page-faq .faq-hero__media .media__caption {
  display: block;
  padding: 10px 16px 14px;
  font-size: 12px;
  color: var(--c-mist);
  border-top: 1px solid var(--c-line);
}

/* ---------- 分组跳转条 ---------- */
.page-faq .faq-jump {
  position: sticky;
  top: var(--header-h);
  z-index: 6;
  background: rgba(10, 13, 18, 0.94);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  backdrop-filter: blur(10px);
}

.page-faq .faq-jump__inner {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 10px 0;
}

.page-faq .faq-jump__label {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-mist);
  text-transform: uppercase;
}

.page-faq .faq-jump__list {
  display: flex;
  gap: var(--sp-1);
  margin: 0;
  padding: 2px 2px 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-jump__link {
  display: inline-block;
  white-space: nowrap;
  padding: 6px 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  font-size: 13px;
  color: var(--c-mist);
  text-decoration: none;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  color: var(--c-void);
  background: var(--c-neon);
  border-color: var(--c-neon);
}

/* ---------- 分组 ---------- */
.page-faq .faq-groups {
  display: grid;
  gap: var(--sp-5);
  padding-top: var(--sp-4);
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 76px);
  min-width: 0;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-left: 16px;
  border-left: 3px solid var(--c-neon);
}

.page-faq .faq-group__head .section-head__no {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-neon);
  flex: none;
}

.page-faq .faq-group__head .section-head__title {
  margin: 0;
  font-size: clamp(20px, 4.6vw, 26px);
  line-height: 1.3;
  transform: skewX(var(--skew));
  transform-origin: left bottom;
}

.page-faq .faq-group__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-mist);
  white-space: nowrap;
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-acc {
  display: grid;
  gap: 10px;
  margin-top: var(--sp-3);
}

.page-faq .faq-acc .acc__item {
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-faq .faq-acc .acc__item:hover {
  border-color: #3a4453;
}

.page-faq .faq-acc .acc__item[data-open] {
  border-color: rgba(198, 255, 61, 0.5);
  box-shadow: inset 3px 0 0 var(--c-neon);
}

.page-faq .faq-acc .acc__item h3 {
  margin: 0;
}

.page-faq .faq-acc .acc__trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 15px 16px;
  background: none;
  border: 0;
  color: var(--c-white);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-faq .faq-acc .acc__trigger:focus-visible {
  outline: 2px solid var(--c-neon);
  outline-offset: -2px;
}

.page-faq .faq-acc .acc__index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--c-mist);
  transition: color 0.2s var(--ease);
}

.page-faq .faq-acc .acc__trigger[aria-expanded="true"] .acc__index {
  color: var(--c-neon);
}

.page-faq .faq-q {
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.6;
  min-width: 0;
}

.page-faq .faq-arrow {
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--c-neon);
  transition: transform 0.25s var(--ease);
}

.page-faq .faq-acc .acc__item[data-open] .faq-arrow {
  transform: rotate(45deg);
}

.page-faq .faq-acc .acc__panel {
  padding: 0 16px 18px;
  border-top: 1px dashed var(--c-line);
  margin-top: 2px;
  background: #10151e;
}

.page-faq .faq-para {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-mist);
  max-width: 62ch;
}

.page-faq .faq-steps {
  counter-reset: faqstep;
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps li {
  position: relative;
  counter-increment: faqstep;
  padding-left: 42px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-mist);
  max-width: 62ch;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  padding: 0 5px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  color: var(--c-neon);
}

.page-faq .faq-side {
  margin: 14px 0 0;
  padding: 12px 14px;
  border-left: 2px solid var(--c-blue);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: var(--faq-blue-soft);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--c-mist);
}

.page-faq .faq-link {
  color: var(--c-blue-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 166, 255, 0.45);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  color: var(--c-neon);
  border-bottom-color: var(--c-neon);
}

/* ---------- 回看分组的两栏 ---------- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-3);
  margin-top: var(--sp-3);
}

.page-faq .faq-split .faq-acc {
  margin-top: 0;
}

.page-faq .faq-split__media {
  margin: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: linear-gradient(200deg, #131a24, var(--c-void) 80%);
}

.page-faq .faq-split__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 680 / 460;
  object-fit: cover;
}

.page-faq .faq-split__media .media__caption {
  display: block;
  padding: 10px 14px 14px;
  border-top: 1px solid var(--c-line);
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-mist);
}

/* ---------- 仍未解决 ---------- */
.page-faq .faq-final__body {
  margin-top: var(--sp-3);
  padding: 20px;
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-blue);
  border-radius: var(--r-md);
  background: linear-gradient(140deg, var(--faq-blue-soft), var(--c-panel) 60%);
}

.page-faq .faq-final__body .faq-para {
  margin-top: 0;
}

.page-faq .faq-final__body .btn {
  margin-top: var(--sp-3);
}

.page-faq .faq-kit {
  margin-top: var(--sp-3);
  padding: 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: var(--c-panel);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.45);
}

.page-faq .faq-kit__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-neon);
  text-transform: uppercase;
}

.page-faq .faq-kit__title {
  margin: 8px 0 0;
  font-size: 17px;
  line-height: 1.4;
  transform: skewX(var(--skew));
  transform-origin: left bottom;
}

.page-faq .faq-kit__list {
  display: grid;
  gap: 9px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-kit__list li {
  position: relative;
  padding-left: 20px;
  font-size: 13.5px;
  line-height: 1.66;
  color: var(--c-mist);
}

.page-faq .faq-kit__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 9px;
  height: 9px;
  background: var(--c-neon);
  border-radius: 2px;
  transform: rotate(45deg);
}

.page-faq .faq-kit__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--c-line);
  font-size: 12.5px;
  line-height: 1.68;
  color: var(--c-mist);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: var(--sp-5) 0 var(--sp-4);
  }

  .page-faq .faq-groups {
    gap: var(--sp-5);
    padding-top: var(--sp-5);
  }

  .page-faq .faq-acc .acc__trigger {
    padding: 17px 20px;
    gap: 16px;
  }

  .page-faq .faq-q {
    font-size: 16.5px;
  }

  .page-faq .faq-acc .acc__panel {
    padding: 0 20px 22px;
  }

  .page-faq .faq-final__body,
  .page-faq .faq-kit {
    padding: 24px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: 1.06fr 0.94fr;
    gap: var(--sp-4);
  }

  .page-faq .faq-split {
    grid-template-columns: 1.32fr 0.86fr;
    align-items: start;
    gap: var(--sp-4);
  }

  .page-faq .faq-split__media {
    position: sticky;
    top: calc(var(--header-h) + 88px);
  }

  .page-faq .faq-final__body {
    max-width: 68ch;
  }
}

/* ---------- 桌面：准备清单常驻右下 ---------- */
@media (min-width: 1240px) {
  .page-faq .faq-kit {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 7;
    width: 296px;
    margin: 0;
    padding: 20px;
    background: #161c26;
  }

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

  .page-faq .faq-kit__list li {
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-acc .acc__item,
  .page-faq .faq-arrow,
  .page-faq .faq-jump__link,
  .page-faq .faq-link {
    transition: none;
  }

  .page-faq .faq-acc .acc__item[data-open] .faq-arrow {
    transform: none;
  }
}