.page-faq {
  --faq-rail: 208px;
  --faq-accent: var(--score);
  display: block;
  padding-bottom: 88px;
}

.page-faq .breadcrumb {
  padding: 22px 0 0;
  font-size: 12px;
  letter-spacing: .06em;
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  padding-top: 18px;
}

.page-faq .faq-hero__box {
  position: relative;
  border: 1px solid var(--rule);
  padding: 28px 20px 24px;
  background:
    radial-gradient(130% 150% at 6% 0%, rgba(30, 122, 70, .32) 0%, rgba(11, 27, 42, 0) 58%),
    linear-gradient(180deg, rgba(8, 18, 28, .72) 0%, rgba(8, 18, 28, .1) 100%);
}

.page-faq .faq-hero__box::before,
.page-faq .faq-hero__box::after {
  content: "";
  position: absolute;
  width: 30px;
  height: 30px;
  pointer-events: none;
}

.page-faq .faq-hero__box::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--score);
  border-left: 2px solid var(--score);
}

.page-faq .faq-hero__box::after {
  right: -1px;
  bottom: -1px;
  border-right: 2px solid var(--score);
  border-bottom: 2px solid var(--score);
}

.page-faq .faq-hero__label {
  display: block;
  margin: 0;
  color: var(--score);
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(27px, 6.6vw, 52px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--bone);
  transform: skewX(-5deg);
  transform-origin: left bottom;
  max-width: 22ch;
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 62ch;
  color: rgba(243, 239, 228, .84);
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 关键词搜索 ---------- */
.page-faq .faq-search {
  margin-top: 24px;
  max-width: 520px;
}

.page-faq .faq-search__label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-faq .faq-search__input {
  display: block;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--rule);
  border-radius: 0;
  background: rgba(8, 18, 28, .78);
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 15px;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-search__input::placeholder {
  color: var(--stone);
}

.page-faq .faq-search__input:focus-visible {
  outline: none;
  border-color: var(--score);
  box-shadow: 0 0 0 1px var(--score);
}

.page-faq .faq-search__hint {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- 首屏数字 ---------- */
.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
}

.page-faq .faq-hero__stats .stat__value {
  font-size: clamp(22px, 6vw, 34px);
}

.page-faq .faq-hero__stats .stat__label {
  font-size: 11px;
  line-height: 1.5;
}

/* ---------- 布局 ---------- */
.page-faq .faq-layout {
  margin-top: 40px;
}

.page-faq .faq-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-faq .faq-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-rail__item {
  flex: 0 0 auto;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border: 1px solid var(--rule);
  background: rgba(8, 18, 28, .55);
  color: var(--stone);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  color: var(--bone);
  border-color: var(--score);
  background: rgba(255, 107, 26, .07);
}

.page-faq .faq-rail__swatch {
  flex: 0 0 auto;
  width: 3px;
  height: 16px;
  background: var(--stone);
}

.page-faq .faq-rail__item:nth-child(1) .faq-rail__swatch { background: var(--grass-bright); }
.page-faq .faq-rail__item:nth-child(2) .faq-rail__swatch { background: var(--score); }
.page-faq .faq-rail__item:nth-child(3) .faq-rail__swatch { background: var(--cyan); }
.page-faq .faq-rail__item:nth-child(4) .faq-rail__swatch { background: var(--clay); }
.page-faq .faq-rail__item:nth-child(5) .faq-rail__swatch { background: var(--grass); }

.page-faq .faq-rail__count {
  font-size: 11px;
  color: var(--stone);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  margin-top: 46px;
  scroll-margin-top: 96px;
}

.page-faq .faq-group:first-child {
  margin-top: 0;
}

.page-faq .faq-group--start { --faq-accent: var(--grass-bright); }
.page-faq .faq-group--center { --faq-accent: var(--score); }
.page-faq .faq-group--plans { --faq-accent: var(--cyan); }
.page-faq .faq-group--export { --faq-accent: var(--clay); }
.page-faq .faq-group--feedback { --faq-accent: var(--grass); }

.page-faq .faq-group__head {
  position: relative;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule);
}

.page-faq .faq-group__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 68px;
  height: 2px;
  background: var(--faq-accent);
}

.page-faq .faq-group__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-faq .faq-group__title {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(21px, 5vw, 34px);
  line-height: 1.18;
  letter-spacing: -.015em;
  color: var(--bone);
  transform: skewX(-5deg);
  transform-origin: left bottom;
  max-width: 24ch;
}

.page-faq .faq-group__note {
  margin: 14px 0 0;
  max-width: 62ch;
  color: var(--stone);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-accordion {
  margin-top: 10px;
}

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

.page-faq .accordion__btn {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  padding: 16px 0;
  border: 0;
  background: none;
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  text-align: left;
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

.page-faq .accordion__btn:hover {
  color: var(--score);
}

.page-faq .accordion__btn:focus-visible {
  outline: 2px solid var(--score);
  outline-offset: 3px;
}

.page-faq .faq-num {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--score);
}

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

.page-faq .accordion__sign {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 5px;
}

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

.page-faq .accordion__sign::before {
  left: 0;
  right: 0;
  top: 7px;
  height: 2px;
}

.page-faq .accordion__sign::after {
  top: 0;
  bottom: 0;
  left: 7px;
  width: 2px;
}

.page-faq .accordion__btn:hover .accordion__sign::before,
.page-faq .accordion__btn:hover .accordion__sign::after {
  background: var(--score);
}

.page-faq .accordion__btn[aria-expanded="true"] .accordion__sign::after {
  transform: scaleY(0);
}

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

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

.page-faq .accordion__panel p {
  margin: 0;
  max-width: 68ch;
  color: rgba(243, 239, 228, .82);
  font-size: 15px;
  line-height: 1.78;
}

.page-faq .accordion__panel p + p {
  margin-top: 10px;
}

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

.page-faq .faq-link {
  color: var(--grass-bright);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 208, 122, .45);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-faq .faq-copy-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
}

.page-faq .copy-btn {
  padding: 8px 14px;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--bone);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .copy-btn:hover,
.page-faq .copy-btn:focus-visible {
  border-color: var(--score);
  color: var(--score);
  background: rgba(255, 107, 26, .08);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 24px 0 0;
  border: 1px solid var(--rule);
  background: var(--void);
}

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

.page-faq .faq-figure .figure__caption {
  font-size: 12px;
  line-height: 1.6;
}

/* ---------- 底部引导 ---------- */
.page-faq .faq-cta {
  position: relative;
  margin-top: 56px;
  padding: 26px 20px 24px;
  border: 1px solid var(--rule);
  background: linear-gradient(118deg, rgba(30, 122, 70, .26) 0%, rgba(8, 18, 28, .92) 72%);
}

.page-faq .faq-cta::after {
  content: "";
  position: absolute;
  right: 14px;
  top: 14px;
  width: 34px;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--rule) 0 3px, transparent 3px 6px);
}

.page-faq .faq-cta__label {
  display: block;
  margin: 0;
  color: var(--score);
}

.page-faq .faq-cta__title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(20px, 4.6vw, 30px);
  line-height: 1.2;
  letter-spacing: -.015em;
  color: var(--bone);
  transform: skewX(-5deg);
  transform-origin: left bottom;
  max-width: 20ch;
}

.page-faq .faq-cta__text {
  margin: 12px 0 0;
  max-width: 60ch;
  color: rgba(243, 239, 228, .82);
  font-size: 15px;
  line-height: 1.78;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero__box {
    padding: 36px 32px 30px;
  }

  .page-faq .accordion__panel {
    padding-left: 30px;
  }

  .page-faq .faq-cta {
    padding: 32px 32px 30px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    margin-top: 52px;
  }

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

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

  .page-faq .faq-rail__item {
    flex: 1 1 auto;
    width: 100%;
  }

  .page-faq .faq-rail__link {
    width: 100%;
    padding: 11px 10px;
    border: 0;
    border-left: 2px solid var(--rule);
    background: none;
    white-space: normal;
    line-height: 1.45;
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    border-left-color: var(--score);
    background: rgba(255, 107, 26, .06);
  }

  .page-faq .faq-rail__count {
    margin-left: auto;
  }

  .page-faq .faq-round {
    display: block;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-body {
    max-width: 780px;
  }

  .page-faq .faq-hero__box {
    padding: 44px 48px 38px;
  }
}