.page-faq {
  background: var(--night);
  color: var(--paper);
}

/* ---------- 页头 ---------- */
.page-faq .faq-head {
  position: relative;
  padding: 30px 0 38px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(820px 320px at 8% -20%, rgba(214, 255, 63, 0.09), transparent 60%),
    linear-gradient(180deg, var(--night) 0%, rgba(14, 42, 58, 0.62) 100%);
}

.page-faq .faq-head .breadcrumb {
  margin-bottom: 26px;
}

.page-faq .faq-head .eyebrow {
  display: block;
  margin: 0 0 14px;
}

.page-faq .faq-head .display-1 {
  margin: 0 0 18px;
  max-width: 17ch;
}

.page-faq .faq-head__lede {
  max-width: 60ch;
  margin: 0 0 28px;
  color: var(--moss);
}

/* 跳转条 */
.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-jump__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px 8px 8px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: rgba(18, 53, 44, 0.55);
  color: var(--paper);
  font-size: 13px;
  line-height: 1;
  text-decoration: none;
  transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-jump__k {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--volt);
  border-right: 1px solid var(--line);
  padding-right: 9px;
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  border-color: var(--volt);
  background: rgba(214, 255, 63, 0.08);
}

/* ---------- 三栏推进 ---------- */
.page-faq .faq-body {
  padding-top: 34px;
}

.page-faq .faq-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-faq .faq-group {
  padding: 18px 16px 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(18, 53, 44, 0.62) 0%, rgba(11, 31, 26, 0.92) 100%);
  box-shadow: 0 18px 34px -30px rgba(0, 0, 0, 0.95);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__letter {
  flex: 0 0 auto;
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--volt);
  letter-spacing: 0.02em;
}

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

.page-faq .faq-group__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--paper);
}

.page-faq .faq-group__note {
  margin: 7px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--moss);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 16px 0 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--blue);
}

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

.page-faq .faq-figure figcaption {
  padding: 8px 10px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--moss);
}

/* ---------- 折叠条目 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-item:last-child {
  border-bottom: 0;
}

.page-faq .faq-item__summary {
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 13px 0;
  cursor: pointer;
  color: var(--paper);
  font-size: 15px;
  font-weight: 600;
}

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

.page-faq .faq-item__summary::marker {
  content: "";
}

.page-faq .faq-item__idx {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--moss);
  transition: color 0.18s ease;
}

.page-faq .faq-item__title {
  flex: 1 1 auto;
  line-height: 1.55;
}

.page-faq .faq-item__chev {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-top: 6px;
  border-right: 1.5px solid var(--volt);
  border-bottom: 1.5px solid var(--volt);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.page-faq details[open] > .faq-item__summary .faq-item__chev {
  transform: rotate(-135deg);
}

.page-faq details[open] > .faq-item__summary .faq-item__idx {
  color: var(--volt);
}

.page-faq .faq-item__body {
  padding: 0 0 16px;
}

.page-faq .faq-line {
  margin: 0 0 9px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--moss);
}

.page-faq .faq-tag {
  display: inline-block;
  margin-right: 7px;
  padding: 1px 6px;
  border: 1px solid rgba(95, 211, 196, 0.4);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  line-height: 1.6;
  color: var(--cyan);
  vertical-align: 1px;
}

.page-faq .faq-tag--cause {
  border-color: rgba(201, 191, 166, 0.42);
  color: var(--gold);
}

/* 步骤 */
.page-faq .faq-steps {
  list-style: none;
  counter-reset: fstep;
  margin: 12px 0 0;
  padding: 2px 0 2px 15px;
  border-left: 1px solid rgba(214, 255, 63, 0.24);
}

.page-faq .faq-steps li {
  position: relative;
  counter-increment: fstep;
  padding-left: 20px;
  margin: 0 0 9px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--paper);
}

.page-faq .faq-steps li:last-child {
  margin-bottom: 0;
}

.page-faq .faq-steps li::before {
  content: counter(fstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--volt);
}

/* ---------- 数字与时间区间 ---------- */
.page-faq .faq-data {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

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

.page-faq .faq-data__lead .faq-group__letter {
  display: block;
  margin-bottom: 14px;
}

.page-faq .faq-data__lead .h-section {
  margin: 0 0 14px;
}

.page-faq .faq-data__lead .lede {
  margin: 0;
  color: var(--moss);
}

.page-faq .faq-data__items {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 4px 16px;
  background: rgba(11, 31, 26, 0.55);
}

/* ---------- 求助 ---------- */
.page-faq .faq-help {
  border-top: 1px solid var(--line);
}

.page-faq .faq-help__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-faq .faq-help__lead .faq-group__letter {
  display: block;
  margin-bottom: 14px;
}

.page-faq .faq-help__lead .h-section {
  margin: 0 0 14px;
}

.page-faq .faq-help__lead .lede {
  margin: 0 0 22px;
  color: var(--moss);
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-help__item {
  display: flex;
  gap: 14px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-help__item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-help__k {
  flex: 0 0 auto;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--volt);
}

.page-faq .faq-help__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--moss);
}

.page-faq .faq-help__item strong {
  color: var(--paper);
  font-weight: 600;
}

/* ---------- 相关路径 ---------- */
.page-faq .faq-related {
  margin-top: 38px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-related__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--moss);
}

.page-faq .faq-related__links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-related__links a {
  display: block;
  padding: 14px 16px;
  background: rgba(11, 31, 26, 0.85);
  color: var(--paper);
  font-size: 14px;
  line-height: 1.6;
  text-decoration: none;
  transition: background 0.18s ease, color 0.18s ease, padding-left 0.18s ease;
}

.page-faq .faq-related__links a:hover,
.page-faq .faq-related__links a:focus-visible {
  background: rgba(214, 255, 63, 0.09);
  color: var(--volt);
  padding-left: 22px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-head {
    padding: 44px 0 48px;
  }

  .page-faq .faq-body {
    padding-top: 44px;
  }

  .page-faq .faq-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-faq .faq-group {
    padding: 22px 20px 8px;
  }

  .page-faq .faq-data__grid {
    grid-template-columns: minmax(240px, 320px) 1fr;
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: minmax(260px, 360px) 1fr;
    gap: 46px;
    align-items: start;
  }

  .page-faq .faq-related__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-columns {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-faq .faq-group__name {
    font-size: 23px;
  }

  .page-faq .faq-related__links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__chev,
  .page-faq .faq-jump__link,
  .page-faq .faq-related__links a {
    transition: none;
  }
}