.page-faq {
  --faq-line: rgba(124, 97, 34, 0.42);
  --faq-line-soft: rgba(124, 97, 34, 0.18);
  --faq-paper-line: rgba(10, 15, 26, 0.14);
  position: relative;
  padding-bottom: 0;
}

/* ---------- 页面头部补充 ---------- */
.page-faq .page-head {
  padding-top: clamp(8px, 2vw, 18px);
}

.page-faq .page-head__title {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(34px, 7vw, 68px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 12px 0 18px;
}

.page-faq .page-head__lede {
  max-width: 62ch;
  color: var(--mist);
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.8;
}

.faq-headline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--faq-line-soft);
}

.faq-headline__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gold-lt);
}

/* ---------- 快速诊断 ---------- */
.faq-diagnose {
  margin-top: clamp(36px, 6vw, 64px);
}

.faq-diagnose .section__head {
  margin-bottom: 22px;
}

.faq-diagnose__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.faq-jump {
  display: block;
  position: relative;
  padding: 20px 20px 22px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  background: var(--glass);
  color: var(--moon);
  text-decoration: none;
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
  overflow: hidden;
}

.faq-jump::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent 78%);
  opacity: 0.55;
  transition: opacity 180ms ease;
}

.faq-jump__num {
  display: block;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin-bottom: 10px;
}

.faq-jump__title {
  display: block;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.25;
  color: var(--moon);
}

.faq-jump__desc {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.faq-jump:hover,
.faq-jump:focus-visible {
  border-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: var(--shadow-1);
}

.faq-jump:hover::after,
.faq-jump:focus-visible::after {
  opacity: 1;
}

.faq-jump--entry { background: linear-gradient(160deg, rgba(36, 66, 75, 0.55), rgba(19, 28, 46, 0.92)); }
.faq-jump--account { background: linear-gradient(160deg, rgba(124, 97, 34, 0.35), rgba(19, 28, 46, 0.92)); }
.faq-jump--record { background: linear-gradient(160deg, rgba(199, 69, 47, 0.22), rgba(19, 28, 46, 0.92)); }
.faq-jump--perf { background: linear-gradient(160deg, rgba(63, 169, 140, 0.2), rgba(19, 28, 46, 0.92)); }

/* ---------- 主体布局 ---------- */
.faq-body {
  margin-top: clamp(44px, 7vw, 80px);
  padding-top: clamp(30px, 5vw, 52px);
  border-top: 1px solid var(--faq-line-soft);
}

.faq-body__shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

/* ---------- 分类索引 ---------- */
.faq-index {
  padding: 18px 18px 20px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(30, 42, 61, 0.7), rgba(19, 28, 46, 0.6));
}

.faq-index__label {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

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

.faq-index__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--faq-line-soft);
  border-radius: 999px;
  color: var(--moon);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 160ms ease, color 160ms ease, background 160ms ease;
  white-space: nowrap;
}

.faq-index__no {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.faq-index__link:hover,
.faq-index__link:focus-visible,
.faq-index__link.is-active {
  border-color: var(--gold);
  background: rgba(200, 162, 75, 0.12);
  color: var(--gold-lt);
}

.faq-index__hint {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 问答面板 ---------- */
.faq-panels {
  min-width: 0;
}

.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  margin-bottom: 22px;
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--radius-md);
  background: rgba(19, 28, 46, 0.6);
}

.page-faq .filter-bar__label {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
  margin-right: 4px;
}

.page-faq .filter-bar__count {
  font-family: var(--font-num);
  font-size: 11px;
  color: var(--gold);
}

/* ---------- 分组 ---------- */
.faq-group {
  margin-bottom: clamp(34px, 5vw, 56px);
  scroll-margin-top: 96px;
}

.faq-group__inner {
  padding: 0;
}

.faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--faq-line);
}

.faq-group__no {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--gold);
  flex: none;
}

.faq-group__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.25;
  color: var(--moon);
}

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

.faq-group__split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: start;
}

.faq-group__aside {
  margin: 0;
}

/* ---------- 折叠问答 ---------- */
.faq-list {
  display: grid;
  gap: 10px;
}

.faq-item {
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, rgba(30, 42, 61, 0.62), rgba(19, 28, 46, 0.5));
  transition: border-color 180ms ease, background 180ms ease;
}

.faq-item[open] {
  border-color: var(--gold);
  background: linear-gradient(180deg, rgba(36, 66, 75, 0.4), rgba(19, 28, 46, 0.7));
}

.faq-item.is-filtered-out {
  display: none;
}

.faq-item__q {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 16px 46px 16px 18px;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 15px;
  line-height: 1.6;
  color: var(--moon);
}

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

.faq-item__q::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-num);
  font-size: 18px;
  color: var(--gold);
  transition: transform 200ms ease, color 200ms ease;
}

.faq-item[open] .faq-item__q::after {
  content: "−";
  color: var(--gold-lt);
}

.faq-item__q:hover { color: var(--gold-lt); }

/* ---------- 步骤编号 ---------- */
.faq-steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0 18px 20px 18px;
  display: grid;
  gap: 10px;
}

.faq-steps li {
  position: relative;
  counter-increment: step;
  padding-left: 38px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.faq-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border: 1px solid var(--gold);
  border-radius: 50%;
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--gold-lt);
  background: rgba(200, 162, 75, 0.1);
}

/* ---------- 纸色反转区 ---------- */
.faq-group--paper {
  margin-left: calc(var(--gutter) * -1);
  margin-right: calc(var(--gutter) * -1);
  padding: clamp(30px, 5vw, 56px) var(--gutter);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, #EDE6D6 0%, #E9E2D2 55%, #E1D8C4 100%);
  color: var(--ink);
}

.faq-group--paper .faq-group__head--paper {
  border-bottom-color: var(--faq-paper-line);
}

.faq-group--paper .faq-group__title {
  color: var(--ink);
}

.faq-group--paper .faq-group__no {
  color: #8A6A1C;
}

.faq-item--paper {
  border-color: var(--faq-paper-line);
  background: rgba(255, 255, 255, 0.55);
}

.faq-item--paper[open] {
  border-color: #8A6A1C;
  background: rgba(255, 255, 255, 0.78);
}

.faq-item--paper .faq-item__q {
  color: var(--ink);
}

.faq-item--paper .faq-item__q::after {
  color: #8A6A1C;
}

.faq-item--paper .faq-item__q:hover {
  color: #6E5314;
}

.faq-steps--paper li {
  color: #3A4452;
}

.faq-steps--paper li::before {
  border-color: #A8842A;
  color: #5E470F;
  background: rgba(200, 162, 75, 0.16);
}

/* ---------- 客服收束 ---------- */
.faq-cta {
  margin-top: clamp(44px, 7vw, 76px);
}

.faq-cta__panel {
  padding: clamp(24px, 4vw, 44px);
}

.faq-cta__head {
  max-width: 58ch;
}

.faq-cta__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.faq-cta__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--faq-line-soft);
}

.faq-cta__label {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.faq-cta__value {
  font-size: 15px;
  line-height: 1.7;
  color: var(--moon);
  word-break: break-word;
}

.faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .faq-diagnose__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .faq-headline { gap: 12px 28px; }

  .faq-cta__row {
    grid-template-columns: 120px 1fr;
    gap: 16px;
    align-items: baseline;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .faq-body__shell {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .faq-index {
    position: sticky;
    top: 110px;
  }

  .faq-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 6px;
  }

  .faq-index__link {
    border-radius: var(--radius-sm);
    padding: 11px 14px;
  }

  .faq-group__split {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 28px;
  }

  .faq-group__aside {
    position: sticky;
    top: 110px;
  }

  .faq-jump {
    padding: 24px 24px 26px;
  }
}

/* ---------- 动效收束 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump,
  .page-faq .faq-item,
  .page-faq .faq-item__q::after,
  .page-faq .faq-index__link {
    transition: none;
  }

  .page-faq .faq-jump:hover,
  .page-faq .faq-jump:focus-visible {
    transform: none;
  }
}
</main>