/* ================= 常见问答（faq）页面专属样式 ================= */
.page-faq {
  --faq-rule: rgba(11, 34, 57, .14);
  --faq-soft: rgba(11, 34, 57, .035);
  --faq-gap: clamp(20px, 4vw, 44px);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-faq .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-inline-link {
  color: var(--abyss);
  text-decoration: none;
  border-bottom: 1px solid var(--aurora);
  transition: color .2s ease, border-color .2s ease;
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(18px, 3vw, 34px) 0 clamp(34px, 6vw, 78px);
  background:
    radial-gradient(120% 95% at 90% -10%, rgba(53, 214, 196, .12), transparent 62%),
    linear-gradient(180deg, var(--paper-2) 0%, var(--paper) 100%);
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-hero .crumbs {
  margin-bottom: clamp(20px, 3vw, 38px);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  align-items: end;
}

.page-faq .faq-hero__code {
  margin: 0 0 14px;
  font-size: var(--step-1);
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-faq .faq-hero__title {
  margin: 0 0 18px;
  max-width: 20em;
  font-family: var(--font-display);
  font-size: clamp(28px, 4.6vw, 50px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: .005em;
  color: var(--abyss);
}

.page-faq .faq-hero__lede {
  margin: 0 0 26px;
  max-width: 42em;
  font-size: var(--step-3);
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 32px;
  margin: 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-hero__fact {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-hero__fact b {
  font-family: var(--font-display);
  font-size: var(--step-5);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--abyss);
}

.page-faq .faq-hero__fact span {
  font-size: var(--step-2);
  color: var(--ink-mute);
}

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

.page-faq .faq-hero__figure .figure__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--faq-rule);
  background: linear-gradient(150deg, var(--abyss) 0%, var(--midnight) 100%);
  box-shadow: 0 20px 44px -34px rgba(6, 23, 38, .8);
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-hero__figure .figure__caption {
  margin-top: 12px;
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--ink-mute);
}

/* ---------- 分组锚点索引 ---------- */
.page-faq .faq-index {
  position: sticky;
  top: var(--header-h);
  z-index: 15;
  background: rgba(251, 250, 246, .94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 12px 0;
  list-style: none;
  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: inline-flex;
  align-items: center;
  gap: 8px;
  flex: none;
  padding: 8px 14px;
  border: 1px solid var(--faq-rule);
  background: var(--paper-2);
  color: var(--ink-soft);
  font-size: var(--step-2);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}

.page-faq .faq-index__link .mono {
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--stone);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--aurora);
  background: rgba(53, 214, 196, .12);
  color: var(--abyss);
}

/* ---------- 分组区块 ---------- */
.page-faq .faq-group {
  position: relative;
  padding: clamp(38px, 6vw, 86px) 0;
  border-bottom: 1px solid var(--faq-rule);
  scroll-margin-top: calc(var(--header-h) + 78px);
}

.page-faq .faq-group::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gf, var(--silver));
  opacity: .04;
  pointer-events: none;
}

.page-faq .faq-group.tone-moss { --gf: var(--moss); }
.page-faq .faq-group.tone-terracotta { --gf: var(--terracotta); }
.page-faq .faq-group.tone-mineral { --gf: var(--mineral); }
.page-faq .faq-group.tone-aurora { --gf: var(--aurora); }
.page-faq .faq-group.tone-coral { --gf: var(--coral); }

.page-faq .faq-group__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 40px);
}

.page-faq .faq-group__aside {
  padding-left: 16px;
  border-left: 3px solid var(--gf, var(--silver));
  transition: border-color .25s ease, border-width .25s ease;
}

.page-faq .faq-group__code {
  margin: 0 0 10px;
  font-size: var(--step-1);
  letter-spacing: .2em;
  color: var(--stone);
}

.page-faq .faq-group__title {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 600;
  line-height: 1.32;
  letter-spacing: .01em;
  color: var(--abyss);
}

.page-faq .faq-group__note {
  margin: 0;
  max-width: 26em;
  font-size: var(--step-2);
  line-height: 1.72;
  color: var(--ink-mute);
}

.page-faq .faq-group__figure {
  margin: 20px 0 0;
}

.page-faq .faq-group__figure .figure__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--faq-rule);
  background: linear-gradient(160deg, var(--abyss) 0%, var(--midnight) 100%);
}

.page-faq .faq-group__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 折叠组 ---------- */
.page-faq .fold {
  border: 1px solid var(--faq-rule);
  background: var(--paper-2);
  box-shadow: 0 14px 30px -26px rgba(11, 34, 57, .6);
}

.page-faq .fold__button {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  margin: 0;
  padding: 16px 18px;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--step-2);
  color: var(--ink);
  transition: background .2s ease;
}

.page-faq .fold__button:hover {
  background: var(--faq-soft);
}

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

.page-faq .fold__index {
  flex: none;
  padding: 3px 7px;
  border: 1px solid currentColor;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--gf, var(--stone));
  transition: color .2s ease, border-color .2s ease;
}

.page-faq .fold__label {
  flex: 1 1 auto;
  line-height: 1.6;
}

.page-faq .fold__arrow {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
  margin-left: auto;
}

.page-faq .fold__arrow::before,
.page-faq .fold__arrow::after {
  content: "";
  position: absolute;
  background: var(--stone);
  transition: transform .2s ease, background .2s ease;
}

.page-faq .fold__arrow::before { left: 0; top: 6px; width: 14px; height: 2px; }
.page-faq .fold__arrow::after { left: 6px; top: 0; width: 2px; height: 14px; }

.page-faq .fold__button[aria-expanded="true"] .fold__arrow::after { transform: scaleY(0); }
.page-faq .fold__button[aria-expanded="true"] .fold__arrow::before { background: var(--coral); }
.page-faq .fold__button[aria-expanded="true"] .fold__index { color: var(--coral); }

.page-faq .fold__panel {
  border-top: 1px solid var(--faq-rule);
}

.page-faq .fold__panel-inner {
  padding: clamp(16px, 2.4vw, 28px);
}

/* ---------- 单条问答 ---------- */
.page-faq .qa {
  padding: 18px 0;
  border-bottom: 1px dashed var(--faq-rule);
}

.page-faq .qa:first-child { padding-top: 0; }
.page-faq .qa:last-child { padding-bottom: 0; border-bottom: 0; }

.page-faq .qa__q {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 0 0 10px;
  font-size: var(--step-3);
  font-weight: 600;
  line-height: 1.55;
  color: var(--abyss);
}

.page-faq .qa__no {
  flex: none;
  margin-top: 4px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--stone);
}

.page-faq .qa__a {
  margin: 0 0 12px;
  max-width: 46em;
  font-size: var(--step-2);
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .qa__more {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--faq-rule);
  font-size: var(--step-2);
  line-height: 1.8;
  color: var(--ink-mute);
}

/* ---------- 步骤条 ---------- */
.page-faq .steps {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .steps__item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 7px 12px;
  border-left: 2px solid var(--gf, var(--silver));
  font-size: var(--step-2);
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-faq .steps__num {
  flex: none;
  padding-top: 2px;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--stone);
}

/* ---------- 目标分组高亮 ---------- */
.page-faq .faq-group:target .faq-group__aside {
  border-left-width: 6px;
}

/* ---------- 客服区块 ---------- */
.page-faq .faq-contact {
  padding: clamp(40px, 7vw, 92px) 0;
  background: linear-gradient(160deg, var(--abyss) 0%, var(--midnight) 92%);
  color: var(--paper);
}

.page-faq .faq-contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
}

.page-faq .faq-contact__code {
  margin: 0 0 12px;
  font-size: var(--step-1);
  letter-spacing: .2em;
  color: var(--aurora);
}

.page-faq .faq-contact__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 700;
  line-height: 1.24;
  color: var(--paper-2);
}

.page-faq .faq-contact__text {
  margin: 0;
  max-width: 32em;
  font-size: var(--step-2);
  line-height: 1.82;
  color: rgba(242, 241, 236, .78);
}

.page-faq .faq-contact__rows {
  display: grid;
  gap: 12px;
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 14px 16px;
  border: 1px solid var(--rule-dark-2);
  background: rgba(242, 241, 236, .05);
}

.page-faq .faq-contact__label {
  flex: none;
  min-width: 62px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: rgba(199, 208, 216, .74);
}

.page-faq .faq-contact__value {
  flex: 1 1 auto;
  font-size: var(--step-2);
  line-height: 1.6;
  color: var(--paper-2);
  word-break: break-word;
}

.page-faq .copy {
  flex: none;
  padding: 6px 12px;
  border: 1px solid var(--rule-dark-2);
  background: transparent;
  color: var(--aurora);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  cursor: pointer;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}

.page-faq .copy:hover,
.page-faq .copy:focus-visible {
  border-color: var(--aurora);
  background: rgba(53, 214, 196, .14);
}

.page-faq .copy[data-copied="true"] {
  border-color: var(--coral);
  color: var(--coral);
  background: rgba(255, 107, 74, .12);
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-faq .faq-group__grid {
    grid-template-columns: 4fr 8fr;
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: 6fr 6fr;
  }
}

@media (max-width: 899px) {
  .page-faq .faq-index {
    position: static;
  }

  .page-faq .faq-hero__figure {
    order: -1;
  }

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

@media (max-width: 520px) {
  .page-faq .faq-hero__facts {
    gap: 12px 22px;
  }

  .page-faq .faq-hero__fact b {
    font-size: var(--step-4);
  }

  .page-faq .qa__q {
    gap: 8px;
    font-size: var(--step-2);
  }

  .page-faq .fold__button {
    padding: 14px;
  }

  .page-faq .faq-contact__row {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .fold__button,
  .page-faq .fold__arrow::before,
  .page-faq .fold__arrow::after,
  .page-faq .copy,
  .page-faq .faq-group__aside,
  .page-faq .faq-inline-link {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>