.page-faq {
  display: block;
  background: var(--ink);
  color: var(--text);
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 56px 0 44px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 88% -12%, rgba(124, 77, 255, 0.20), transparent 62%),
    radial-gradient(90% 70% at 4% 0%, rgba(47, 208, 255, 0.09), transparent 60%),
    linear-gradient(180deg, var(--obsidian) 0%, var(--ink) 84%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: -190px;
  right: -150px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    rgba(200, 162, 74, 0.18),
    rgba(124, 77, 255, 0.24),
    rgba(47, 208, 255, 0.10),
    rgba(200, 162, 74, 0.18)
  );
  filter: blur(64px);
  opacity: 0.9;
  animation: faq-orbit 24s linear infinite;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  z-index: 0;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200, 162, 74, 0.55), transparent);
  pointer-events: none;
}

.page-faq .faq-hero > .wrap {
  position: relative;
  z-index: 1;
}

@keyframes faq-orbit {
  to { transform: rotate(360deg); }
}

.page-faq .faq-hero .breadcrumbs {
  margin-bottom: 30px;
}

.page-faq .faq-hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.22em;
  color: var(--gold);
}

.page-faq .faq-title {
  margin: 16px 0 0;
  max-width: 12em;
  font-family: var(--font-display);
  font-size: clamp(36px, 8.4vw, 100px);
  font-weight: 200;
  line-height: 1.04;
  letter-spacing: 0.02em;
  background: linear-gradient(178deg, var(--champagne) 0%, var(--gold) 52%, #7d6224 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-faq .faq-lead {
  margin: 22px 0 0;
  max-width: 64ch;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-mark {
  color: var(--champagne);
  border-bottom: 2px solid var(--amber);
  padding-bottom: 1px;
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 34px 0 0;
  padding: 1px;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-stats > li {
  padding: 16px 16px 14px;
  background: var(--obsidian);
}

.page-faq .faq-stats__value {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-32);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-stats__label {
  display: block;
  margin-top: 9px;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--muted);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  padding-top: 40px;
  padding-bottom: 72px;
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-index {
  min-width: 0;
}

.page-faq .faq-index__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-faq .faq-index__list > li {
  flex: 0 0 auto;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--graphite);
  color: var(--muted);
  font-size: var(--fs-13);
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  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(--text);
  border-color: var(--gold);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--electric);
}

.page-faq .faq-index__note {
  margin: 10px 0 0;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- 分组标题 ---------- */
.page-faq .faq-group {
  margin-bottom: 56px;
  scroll-margin-top: 88px;
}

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

.page-faq .faq-group__head {
  position: relative;
  padding-bottom: 16px;
  margin-bottom: 2px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 48px;
  height: 2px;
  background: var(--amber);
}

.page-faq .faq-group__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.24em;
  color: var(--electric);
}

.page-faq .faq-group__title {
  margin: 8px 0 0;
  font-size: clamp(24px, 5vw, 36px);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-faq .faq-group__desc {
  margin: 10px 0 0;
  max-width: 60ch;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-item > summary {
  position: relative;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 20px 40px 20px 16px;
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-16);
  line-height: 1.65;
  color: var(--text);
  transition: color 0.24s var(--ease);
}

.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item > summary::marker {
  content: "";
}

.page-faq .faq-item > summary::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 2px;
  background: var(--line);
  transition: background 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.page-faq .faq-item:hover > summary::before,
.page-faq .faq-item[open] > summary::before {
  background: var(--amber);
  box-shadow: 0 0 12px rgba(255, 138, 61, 0.45);
}

.page-faq .faq-item[open] > summary {
  color: var(--champagne);
}

.page-faq .faq-q__num {
  flex: 0 0 auto;
  min-width: 26px;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--muted);
  transition: color 0.24s var(--ease);
}

.page-faq .faq-item[open] .faq-q__num {
  color: var(--amber);
}

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

.page-faq .faq-item__icon {
  position: absolute;
  right: 8px;
  top: 28px;
  width: 14px;
  height: 14px;
  pointer-events: none;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1.5px;
  margin-top: -0.75px;
  background: var(--gold);
  transition: transform 0.3s var(--ease), background 0.3s var(--ease), opacity 0.3s var(--ease);
}

.page-faq .faq-item__icon::after {
  transform: rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__icon::before,
.page-faq .faq-item[open] .faq-item__icon::after {
  background: var(--amber);
}

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

.page-faq .faq-answer {
  padding: 0 4px 26px 16px;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--text);
  animation: faq-open 0.34s var(--ease) both;
}

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

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

@keyframes faq-open {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .faq-answer__body {
  display: grid;
  gap: 20px;
}

/* ---------- 图像 ---------- */
.page-faq .media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-faq .faq-figure {
  margin: 0;
}

.page-faq .faq-figure .media,
.page-faq .faq-banner .media {
  display: block;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--graphite);
}

.page-faq .faq-figure figcaption,
.page-faq .faq-banner figcaption {
  margin-top: 10px;
  font-size: var(--fs-12);
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .faq-banner {
  margin: 24px 0 0;
}

/* ---------- 玩法索引阶梯 ---------- */
.page-faq .faq-track {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-track__item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-track__item:first-child {
  border-top: 1px solid var(--line);
}

.page-faq .faq-track__num {
  font-family: var(--font-mono);
  font-size: var(--fs-32);
  font-weight: 500;
  line-height: 1;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-track__title {
  margin: 0;
  font-size: var(--fs-18);
  font-weight: 400;
  line-height: 1.4;
  color: var(--text);
}

.page-faq .faq-track__body p {
  margin: 8px 0 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
}

/* ---------- 收尾区 ---------- */
.page-faq .faq-next {
  position: relative;
  overflow: hidden;
  padding: 56px 0 72px;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(124, 77, 255, 0.18), transparent 62%),
    linear-gradient(180deg, var(--obsidian), var(--ink));
}

.page-faq .faq-next__inner {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.page-faq .faq-next__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.22em;
  color: var(--gold);
}

.page-faq .faq-next__title {
  margin: 14px 0 0;
  font-size: clamp(28px, 5.4vw, 48px);
  font-weight: 250;
  line-height: 1.18;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-faq .faq-next__text {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-stats__value {
    font-size: var(--fs-48);
  }

  .page-faq .faq-answer {
    padding-right: 24px;
  }

  .page-faq .faq-answer__body--media {
    grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
    gap: 28px;
    align-items: start;
  }

  .page-faq .faq-track__item {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 22px;
  }
}

/* ---------- 桌面端：粘性索引列 ---------- */
@media (min-width: 1024px) {
  .page-faq .faq-hero {
    padding: 80px 0 56px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 64px;
    padding-top: 64px;
    padding-bottom: 96px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
  }

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

  .page-faq .faq-index__link {
    display: flex;
    width: 100%;
    padding: 12px 10px 12px 14px;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    background: none;
    white-space: normal;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-left-color: var(--amber);
    background: linear-gradient(90deg, rgba(255, 138, 61, 0.09), transparent 72%);
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hero::before {
    animation: none;
  }

  .page-faq .faq-answer {
    animation: none;
  }

  .page-faq .faq-item__icon::before,
  .page-faq .faq-item__icon::after,
  .page-faq .faq-item > summary::before {
    transition-duration: 0.12s;
  }
}