.page-faq {
  --faq-line: rgba(127, 163, 156, 0.32);
  --faq-line-soft: rgba(127, 163, 156, 0.16);
  --faq-line-strong: rgba(53, 224, 208, 0.55);
  --faq-night: #0B1626;
  --faq-night-soft: rgba(11, 22, 38, 0.58);
  --faq-night-deep: rgba(11, 22, 38, 0.92);
  --faq-sticky: 96px;
  display: block;
  background-color: var(--sq-ink);
  color: var(--sq-paper);
  font-family: var(--sq-font-body);
  line-height: 1.75;
  overflow-x: clip;
}

.page-faq a {
  color: inherit;
  text-decoration: none;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb {
  padding-top: clamp(14px, 2.4vw, 24px);
}

.page-faq .faq-crumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--sq-sage);
}

.page-faq .faq-crumb li + li::before {
  content: "/";
  margin-right: 10px;
  color: var(--faq-line);
}

.page-faq .faq-crumb a {
  color: var(--sq-sage);
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-crumb a:hover,
.page-faq .faq-crumb a:focus-visible {
  color: var(--sq-cyan);
  border-bottom-color: var(--sq-cyan);
}

.page-faq .faq-crumb [aria-current="page"] {
  color: var(--sq-paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4.4vw, 58px) 0 clamp(26px, 4vw, 52px);
  background-image:
    radial-gradient(circle at 88% 8%, rgba(53, 224, 208, 0.14), transparent 46%),
    radial-gradient(circle at 2% 96%, rgba(232, 163, 61, 0.11), transparent 42%);
}

.page-faq .faq-hero__ticks {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 96px;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    90deg,
    var(--faq-line) 0 2px,
    transparent 2px 46px
  );
  -webkit-mask-image: linear-gradient(180deg, transparent, #000);
  mask-image: linear-gradient(180deg, transparent, #000);
  opacity: 0.75;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .sq-eyebrow {
  font-family: var(--sq-font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--sq-amber);
  text-transform: uppercase;
  margin: 0;
}

.page-faq .faq-hero__title {
  font-family: var(--sq-font-head);
  font-weight: 700;
  font-size: clamp(30px, 6.4vw, 60px);
  line-height: 1.12;
  letter-spacing: 0.045em;
  color: var(--sq-paper-white);
  margin: 16px 0 18px;
  max-width: 17em;
}

.page-faq .faq-hero__lede {
  max-width: 44ch;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(239, 230, 210, 0.86);
}

/* ---------- 速查卡 ---------- */
.page-faq .faq-quick {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sq-gap);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-faq .faq-quick__card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 168px;
  padding: 20px 20px 22px;
  background: var(--sq-paper);
  color: var(--sq-ink);
  border: var(--sq-edge) solid var(--sq-carbon);
  box-shadow: var(--sq-shadow);
  transition: box-shadow 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-quick__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 42px;
  height: 5px;
  background: var(--sq-amber);
}

.page-faq .faq-quick__card--amber::before {
  background: var(--sq-cyan);
}

.page-faq .faq-quick__card--ghost::before {
  background: var(--sq-red);
}

.page-faq .faq-quick__card:hover {
  box-shadow: var(--sq-shadow-press);
  transform: translate(2px, 2px);
}

.page-faq .faq-quick__label {
  margin: 6px 0 0;
  font-family: var(--sq-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--sq-ink);
  opacity: 0.66;
}

.page-faq .faq-quick__value {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0;
  font-family: var(--sq-font-mono);
  line-height: 1;
}

.page-faq .faq-quick__num {
  font-size: clamp(34px, 5.4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--sq-ink);
}

.page-faq .faq-quick__unit {
  font-size: 14px;
  letter-spacing: 0.14em;
  color: var(--sq-red);
}

.page-faq .faq-quick__note {
  margin: auto 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(14, 42, 38, 0.82);
}

/* ---------- 主面板 ---------- */
.page-faq .faq-panel {
  padding: clamp(26px, 4vw, 48px) 0 clamp(48px, 7vw, 90px);
  border-top: 3px solid var(--faq-line-soft);
}

/* ---------- 搜索过滤 ---------- */
.page-faq .faq-search {
  border: 2px solid var(--faq-line);
  background: var(--faq-night-soft);
  padding: 14px 16px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-search__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  align-items: center;
}

.page-faq .faq-search__label {
  font-family: var(--sq-font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--sq-cyan);
}

.page-faq .faq-search__input {
  width: 100%;
  min-width: 0;
  padding: 9px 12px;
  border: 2px solid var(--sq-carbon);
  background: var(--sq-paper-white);
  color: var(--sq-ink);
  font-family: var(--sq-font-body);
  font-size: 15px;
  line-height: 1.5;
  outline: none;
}

.page-faq .faq-search__input::placeholder {
  color: rgba(14, 42, 38, 0.45);
}

.page-faq .faq-search__input:focus-visible {
  border-color: var(--sq-cyan);
  box-shadow: 0 0 0 2px rgba(53, 224, 208, 0.35);
}

.page-faq .faq-search__count {
  margin: 0;
  font-family: var(--sq-font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--sq-sage);
  white-space: nowrap;
}

.page-faq .faq-search__empty {
  margin: 12px 0 0;
  padding: 10px 12px;
  border-left: 3px solid var(--sq-amber);
  background: rgba(232, 163, 61, 0.1);
  font-size: 14px;
  color: var(--sq-paper);
}

.page-faq .faq-search__empty[hidden] {
  display: none;
}

/* ---------- 布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
}

/* ---------- 索引 ---------- */
.page-faq .faq-index {
  border: 2px solid var(--faq-line);
  background: var(--faq-night-soft);
  padding: 16px 16px 12px;
}

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

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 6px;
  border-bottom: 1px dashed var(--faq-line-soft);
  transition: background-color 0.18s ease, color 0.18s ease;
}

.page-faq .faq-index__list li:last-child a {
  border-bottom: 0;
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  background: rgba(53, 224, 208, 0.12);
  color: var(--sq-cyan);
  outline: none;
}

.page-faq .faq-index__num {
  font-family: var(--sq-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sq-sage);
  flex: 0 0 auto;
}

.page-faq .faq-index__list a:hover .faq-index__num,
.page-faq .faq-index__list a:focus-visible .faq-index__num {
  color: var(--sq-amber);
}

.page-faq .faq-index__text {
  font-size: 14px;
  line-height: 1.6;
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-body {
  min-width: 0;
}

.page-faq .faq-group {
  padding-top: 18px;
  margin-bottom: clamp(26px, 3.4vw, 42px);
  border-top: 3px solid var(--faq-line);
  scroll-margin-top: 86px;
}

.page-faq .faq-group:first-child {
  border-top-color: var(--faq-line-strong);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
}

.page-faq .faq-group__num {
  font-family: var(--sq-font-mono);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  line-height: 1;
  color: var(--sq-amber);
  letter-spacing: 0.02em;
}

.page-faq .faq-group__title {
  font-family: var(--sq-font-head);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.3;
  margin: 0;
  color: var(--sq-paper-white);
}

.page-faq .faq-group__lede {
  margin: 0 0 16px;
  max-width: 44ch;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(239, 230, 210, 0.72);
}

/* ---------- 手风琴条目 ---------- */
.page-faq .faq-item {
  border: 2px solid var(--faq-line);
  background: var(--faq-night-soft);
  margin-bottom: 10px;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.page-faq .faq-item[open] {
  border-color: var(--faq-line-strong);
  background: var(--faq-night-deep);
}

.page-faq .faq-item__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .faq-item__q {
  margin: 0;
  font-family: var(--sq-font-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--sq-paper);
}

.page-faq .faq-item[open] .faq-item__q {
  color: var(--sq-paper-white);
}

.page-faq .faq-item__icon {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  background: var(--sq-cyan);
  transform: translateY(-50%);
  transition: transform 0.18s ease;
}

.page-faq .faq-item__icon::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__icon::after {
  transform: translateY(-50%) rotate(0deg);
}

.page-faq .faq-item__body {
  padding: 0 16px 16px;
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-item__body p {
  margin: 14px 0 0;
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(239, 230, 210, 0.88);
}

.page-faq .faq-item__anchor {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--sq-font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--sq-sage);
  border-bottom: 1px solid var(--faq-line);
  padding-bottom: 2px;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-item__anchor:hover,
.page-faq .faq-item__anchor:focus-visible {
  color: var(--sq-cyan);
  border-bottom-color: var(--sq-cyan);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 18px 0 8px;
  border: var(--sq-edge) solid var(--sq-carbon);
  box-shadow: var(--sq-shadow);
  overflow: hidden;
  background: var(--faq-night);
}

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

.page-faq .faq-figure .sq-figure__cap {
  font-family: var(--sq-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--sq-sage);
  padding: 8px 12px;
  background: var(--sq-carbon);
}

/* ---------- 联系分组 ---------- */
.page-faq .faq-group--contact {
  border-top-color: var(--sq-amber);
}

.page-faq .faq-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.page-faq .faq-btn {
  border-radius: 0;
  font-family: var(--sq-font-body);
  letter-spacing: 0.06em;
}

.page-faq .faq-btn--ghost {
  border-color: var(--sq-sage);
  color: var(--sq-paper);
}

.page-faq .faq-btn--ghost:hover,
.page-faq .faq-btn--ghost:focus-visible {
  border-color: var(--sq-cyan);
  color: var(--sq-cyan);
}

/* ---------- 收尾带 ---------- */
.page-faq .faq-strip {
  background: var(--sq-night);
  border-top: var(--sq-edge) solid var(--sq-carbon);
  border-bottom: var(--sq-edge) solid var(--sq-carbon);
  padding: clamp(22px, 3.4vw, 40px) 0;
  background-image:
    linear-gradient(135deg, rgba(232, 163, 61, 0.08), transparent 46%),
    linear-gradient(315deg, rgba(53, 224, 208, 0.1), transparent 52%);
}

.page-faq .faq-strip__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: center;
}

.page-faq .faq-strip__eyebrow {
  margin: 0 0 6px;
  font-family: var(--sq-font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--sq-cyan);
}

.page-faq .faq-strip__line {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(239, 230, 210, 0.84);
}

.page-faq .faq-strip__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-search__row {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 14px;
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(24px, 3vw, 44px);
  }

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

  .page-faq .faq-index__list {
    grid-template-columns: 1fr;
  }

  .page-faq .faq-item__head {
    padding: 16px 20px;
  }

  .page-faq .faq-item__body {
    padding: 0 20px 18px;
  }

  .page-faq .faq-item__q {
    font-size: 16px;
  }

  .page-faq .faq-group__lede {
    font-size: 15px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-layout {
    grid-template-columns: 260px minmax(0, 1fr);
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__icon::before,
  .page-faq .faq-item__icon::after,
  .page-faq .faq-quick__card,
  .page-faq .faq-index__list a,
  .page-faq .faq-item__anchor,
  .page-faq .faq-crumb a {
    transition: none;
  }

  .page-faq .faq-quick__card:hover {
    transform: none;
  }
}