.page-faq {
  --faq-sticky: 104px;
  --faq-cream-line: rgba(18, 16, 14, 0.14);
  --faq-cream: rgba(244, 237, 226, 0.78);
  --faq-cream-dim: rgba(244, 237, 226, 0.56);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  background: var(--deep);
  color: var(--paper);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  padding: clamp(20px, 3.6vw, 40px) 0 clamp(44px, 7vw, 88px);
}

.page-faq .faq-hero .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-faq .faq-hero .breadcrumbs__item {
  color: var(--faq-cream-dim);
  text-decoration: none;
}

.page-faq .faq-hero .breadcrumbs__item[aria-current="page"] {
  color: var(--lime);
}

.page-faq .faq-hero .breadcrumbs__sep {
  color: rgba(244, 237, 226, 0.28);
}

.page-faq .faq-hero__band {
  display: block;
  width: 92px;
  height: 6px;
  border-radius: var(--pill);
  background: linear-gradient(90deg, var(--lime) 0 50%, var(--gold) 50% 100%);
  margin-bottom: clamp(24px, 3.4vw, 38px);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 5vw, 56px);
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 7.2vw, 80px);
  line-height: 0.98;
  letter-spacing: -0.012em;
  margin: 14px 0 20px;
}

.page-faq .faq-hero__lede {
  font-size: 16px;
  line-height: 1.95;
  color: var(--faq-cream);
  max-width: 34em;
  margin: 0;
}

.page-faq .faq-hero__aside .eyebrow {
  margin: 0;
}

.page-faq .faq-links {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-links__item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 15px 20px;
  border-radius: var(--radius);
  background: rgba(244, 237, 226, 0.06);
  border: 1px solid rgba(244, 237, 226, 0.14);
  color: var(--paper);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--ease), border-color var(--ease), color var(--ease);
}

.page-faq .faq-links__item:hover,
.page-faq .faq-links__item:focus-visible {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}

.page-faq .faq-links__meta {
  font-size: 11.5px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--faq-cream-dim);
  transition: color var(--ease);
}

.page-faq .faq-links__item:hover .faq-links__meta,
.page-faq .faq-links__item:focus-visible .faq-links__meta {
  color: rgba(18, 16, 14, 0.68);
}

/* ---------- 主体两栏 ---------- */

.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  padding-top: clamp(44px, 7vw, 92px);
  padding-bottom: clamp(40px, 6vw, 76px);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(18, 16, 14, 0.48);
}

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

.page-faq .faq-index__list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-index__link {
  display: block;
  padding: 9px 16px;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 13.5px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--lime);
}

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

/* ---------- 分组 ---------- */

.page-faq .faq-group {
  scroll-margin-top: 120px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(52px, 7vw, 92px);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  align-items: baseline;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 6px;
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.012em;
}

.page-faq .faq-group__desc {
  grid-column: 2;
  margin: 9px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(18, 16, 14, 0.6);
}

/* ---------- 问答项 ---------- */

.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
  border-left: 3px solid transparent;
  padding-left: 14px;
  transition: border-color var(--ease);
}

.page-faq .faq-item[open] {
  border-left-color: var(--lime);
}

.page-faq .faq-item__q {
  list-style: none;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0;
  cursor: pointer;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  transition: color var(--ease);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.3;
  color: var(--gold);
  transition: color var(--ease);
}

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

.page-faq .faq-item__q:hover {
  color: var(--pitch);
}

.page-faq .faq-item__a {
  padding: 0 0 24px;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.95;
  color: rgba(18, 16, 14, 0.78);
}

.page-faq .faq-item__a p {
  margin: 0;
}

.page-faq .faq-item__a p + p {
  margin-top: 12px;
}

.page-faq .faq-item__a a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  transition: color var(--ease), border-color var(--ease);
}

.page-faq .faq-item__a a:hover {
  color: var(--pitch);
  border-color: var(--pitch);
}

.page-faq .faq-item[open] .faq-item__a {
  animation: faqAnswerIn 220ms ease both;
}

@keyframes faqAnswerIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-item__a {
    animation: none;
  }
}

/* ---------- 图 ---------- */

.page-faq .faq-figure {
  margin: 24px 0 6px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--radius);
  background: var(--deep);
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  padding-top: 12px;
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: rgba(18, 16, 14, 0.58);
}

/* ---------- 刷新节奏信息图 ---------- */

.page-faq .faq-timeline {
  margin: 24px 0 6px;
  padding: clamp(22px, 3.4vw, 30px) clamp(20px, 3.4vw, 32px);
  border-radius: var(--radius-lg);
  background: var(--deep);
  color: var(--paper);
}

.page-faq .faq-timeline .eyebrow {
  margin: 0;
}

.page-faq .faq-timeline__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-faq .faq-timeline__item {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px dashed rgba(244, 237, 226, 0.18);
}

.page-faq .faq-timeline__item:last-child {
  border-bottom: none;
}

.page-faq .faq-timeline__time {
  flex: none;
  min-width: 76px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--lime);
}

.page-faq .faq-timeline__label {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--faq-cream);
}

.page-faq .faq-timeline figcaption {
  margin-top: 16px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--faq-cream-dim);
}

/* ---------- 结尾留白 ---------- */

.page-faq .faq-outro {
  padding: clamp(72px, 13vw, 180px) 0 clamp(72px, 12vw, 164px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-outro__inner {
  max-width: 640px;
}

.page-faq .faq-outro__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.95;
  color: rgba(18, 16, 14, 0.72);
}

.page-faq .faq-outro__text a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--lime);
  padding-bottom: 2px;
  transition: background var(--ease);
}

.page-faq .faq-outro__text a:hover {
  background: var(--lime);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }

  .page-faq .faq-hero__aside {
    padding-bottom: 6px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-body {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: clamp(40px, 5.5vw, 84px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: var(--faq-sticky);
    align-self: start;
  }

  .page-faq .faq-index__title {
    padding-left: 16px;
  }

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

  .page-faq .faq-index__link {
    border: none;
    border-left: 2px solid var(--line);
    border-radius: 0;
    padding: 11px 0 11px 14px;
    font-size: 14px;
    white-space: normal;
    line-height: 1.55;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    background: transparent;
    border-left-color: var(--lime);
    color: var(--ink);
  }

  .page-faq .faq-item {
    padding-left: 20px;
  }

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

@media (min-width: 1180px) {
  .page-faq .faq-timeline__list {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }

  .page-faq .faq-timeline__item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 0 18px 0 0;
    border-bottom: none;
    border-left: 2px solid rgba(198, 241, 53, 0.35);
    padding-left: 16px;
  }

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