.page-faq {
  --faq-gap: clamp(18px, 3vw, 32px);
  display: block;
  padding-bottom: clamp(56px, 8vw, 96px);
}

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

.page-faq .faq-crumb {
  padding-top: clamp(14px, 3vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 5vw, 56px) 0 clamp(30px, 5vw, 64px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  left: -12%;
  width: 78%;
  height: 92%;
  background:
    radial-gradient(58% 58% at 22% 8%, rgba(139, 92, 246, 0.3), transparent 66%),
    radial-gradient(48% 48% at 88% 0%, rgba(255, 61, 139, 0.18), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  gap: var(--faq-gap);
  align-items: end;
}

.page-faq .faq-hero__title {
  margin: 0 0 18px;
  font-size: clamp(30px, 7vw, 62px);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-faq .faq-hero__text {
  max-width: 60ch;
  margin: 0;
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.78;
  color: var(--ink-2);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__fact {
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--ink-2);
}

.page-faq .faq-hero__fact b {
  font-family: var(--mono);
  font-size: 17px;
  font-weight: 700;
  color: var(--cyan);
}

.page-faq .faq-hero__media {
  margin: 0;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.page-faq .faq-hero__media .media-frame__img {
  display: block;
  width: 100%;
  max-height: 280px;
  object-fit: cover;
}

.page-faq .faq-hero__media .media-frame__caption {
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--ink-2);
  background: var(--panel);
}

/* ---------- 双栏主体 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: var(--faq-gap);
  padding-top: clamp(32px, 5vw, 60px);
}

.page-faq .faq-list {
  min-width: 0;
}

/* 分类索引：移动端胶囊横滑 */
.page-faq .faq-index {
  min-width: 0;
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-2);
}

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

.page-faq .faq-index__item {
  flex: 0 0 auto;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--ink-2);
  font-size: 14px;
  white-space: nowrap;
  text-decoration: none;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease), background 0.24s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--cyan);
  border-color: rgba(34, 224, 255, 0.5);
  outline: none;
}

.page-faq .faq-index__num {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--purple);
}

.page-faq .faq-index__hint {
  margin: 6px 0 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-2);
}

.page-faq .faq-index__jump {
  display: inline-block;
  margin-bottom: 4px;
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  margin-bottom: clamp(34px, 6vw, 58px);
  scroll-margin-top: calc(var(--mobilebar-h) + 20px);
}

.page-faq .faq-group:target .faq-group__head {
  border-bottom-color: rgba(34, 224, 255, 0.55);
}

.page-faq .faq-group__head {
  display: grid;
  gap: 6px;
  margin-bottom: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__num {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--purple);
}

.page-faq .faq-group__title {
  position: relative;
  margin: 0;
  padding-left: 16px;
  font-size: clamp(21px, 3.4vw, 30px);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-faq .faq-group__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.32em;
  bottom: 0.32em;
  width: 4px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--purple), var(--pink));
}

.page-faq .faq-group__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-2);
}

/* ---------- 问答手风琴 ---------- */
.page-faq .accordion__item {
  position: relative;
  border-bottom: 1px solid var(--line);
  transition: background 0.24s var(--ease);
}

.page-faq .accordion__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 3px;
  border-radius: 2px;
  background: var(--pink);
  opacity: 0;
  transform: scaleY(0.35);
  transition: opacity 0.24s var(--ease), transform 0.24s var(--ease);
  pointer-events: none;
}

.page-faq .accordion__item.is-open {
  background: var(--panel);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-faq .accordion__item.is-open::before {
  opacity: 1;
  transform: scaleY(1);
}

.page-faq .accordion__trigger {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  padding: 18px 14px 18px 16px;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--font);
  font-size: clamp(16px, 2.1vw, 18px);
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  transition: color 0.24s var(--ease);
}

.page-faq .accordion__trigger:hover {
  color: var(--cyan);
}

.page-faq .accordion__trigger:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .faq-q__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-q__sign {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(34, 224, 255, 0.06);
}

.page-faq .faq-q__sign::before,
.page-faq .faq-q__sign::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--cyan);
  transform: translate(-50%, -50%);
  transition: opacity 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-faq .faq-q__sign::before {
  width: 10px;
  height: 1.5px;
}

.page-faq .faq-q__sign::after {
  width: 1.5px;
  height: 10px;
}

.page-faq .accordion__item.is-open .faq-q__sign {
  border-color: rgba(255, 61, 139, 0.55);
  background: rgba(255, 61, 139, 0.12);
}

.page-faq .accordion__item.is-open .faq-q__sign::before,
.page-faq .accordion__item.is-open .faq-q__sign::after {
  background: var(--pink);
}

.page-faq .accordion__item.is-open .faq-q__sign::after {
  opacity: 0;
  transform: translate(-50%, -50%) scaleY(0.2);
}

.page-faq .faq-answer {
  max-width: 68ch;
  padding: 0 16px 22px;
}

.page-faq .faq-answer__lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.76;
  color: var(--ink);
}

.page-faq .faq-answer__more {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-2);
}

/* ---------- 分隔图 ---------- */
.page-faq .faq-break {
  margin: clamp(30px, 5vw, 54px) 0;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.page-faq .faq-break .media-frame__img {
  display: block;
  width: 100%;
  max-height: 260px;
  object-fit: cover;
  filter: saturate(0.85) brightness(0.85);
}

.page-faq .faq-break .media-frame__caption {
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--ink-2);
  background: var(--panel);
}

/* ---------- 兜底区块 ---------- */
.page-faq .faq-closing {
  margin-top: clamp(38px, 6vw, 68px);
  padding: clamp(22px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(150deg, rgba(139, 92, 246, 0.16), rgba(14, 21, 51, 0.92) 46%, rgba(255, 61, 139, 0.14));
  box-shadow: var(--shadow-lift);
}

.page-faq .faq-closing__tag {
  display: inline-block;
  margin-bottom: 14px;
}

.page-faq .faq-closing__title {
  margin: 0 0 10px;
  font-size: clamp(20px, 3.2vw, 28px);
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
}

.page-faq .faq-closing__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-2);
}

.page-faq .faq-closing__steps {
  display: grid;
  gap: 12px;
  margin: 22px 0 26px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-closing__step {
  display: grid;
  gap: 6px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) - 2px);
  background: rgba(7, 11, 30, 0.55);
}

.page-faq .faq-closing__step b {
  font-size: 15px;
  font-weight: 600;
  color: var(--cyan);
}

.page-faq .faq-closing__step span {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-2);
}

.page-faq .faq-closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(240px, 360px);
    gap: clamp(28px, 5vw, 56px);
  }

  .page-faq .faq-hero__media .media-frame__img {
    max-height: none;
    aspect-ratio: 5 / 6;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(200px, 236px) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--topbar-h) + 22px);
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }

  .page-faq .faq-index__item {
    flex: 0 1 auto;
  }

  .page-faq .faq-index__link {
    padding: 10px 12px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: transparent;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-left-color: var(--cyan);
    background: rgba(34, 224, 255, 0.06);
  }

  .page-faq .faq-index__hint {
    padding-left: 12px;
  }

  .page-faq .faq-group {
    scroll-margin-top: 28px;
  }

  .page-faq .faq-closing__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-break .media-frame__img {
    max-height: 300px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .accordion__item,
  .page-faq .accordion__item::before,
  .page-faq .faq-q__sign::before,
  .page-faq .faq-q__sign::after,
  .page-faq .accordion__trigger,
  .page-faq .faq-index__link {
    transition: none;
  }
}