.page-faq {
  --faq-h1: 34px;
  --faq-h2: 24px;
  --faq-q: 18px;
  --faq-pad: 18px;
}

@media (min-width: 768px) {
  .page-faq {
    --faq-h1: 56px;
    --faq-h2: 36px;
    --faq-q: 24px;
    --faq-pad: 26px;
  }
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 20px 0 0;
  font-size: var(--f-14);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fog);
}

.page-faq .breadcrumb a {
  color: var(--fog);
  text-decoration: none;
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--signal);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 26px 0 30px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__kicker {
  display: inline-block;
  margin: 0;
  padding-bottom: 5px;
  color: var(--signal);
  border-bottom: 1px solid var(--signal);
  font-size: var(--f-14);
  letter-spacing: 0.16em;
}

.page-faq .faq-hero h1 {
  margin: 18px 0 14px;
  max-width: 18ch;
  font-size: var(--faq-h1);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-hero__lead {
  margin: 0 0 24px;
  max-width: 58ch;
  font-size: var(--f-18);
  line-height: 1.7;
  color: var(--fog);
}

.page-faq .faq-facts {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .faq-facts__k {
  display: block;
  font-size: var(--f-14);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fog);
}

.page-faq .faq-facts__v {
  display: block;
  margin-top: 6px;
  font-family: var(--mono);
  font-size: var(--f-18);
  color: var(--paper);
}

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

  .page-faq .faq-facts li {
    padding: 0 18px;
    border-left: 1px solid var(--line);
  }

  .page-faq .faq-facts li:first-child {
    padding-left: 0;
    border-left: 0;
  }
}

/* ---------- 分类标签 ---------- */
.page-faq .faq-tabs {
  display: flex;
  gap: 8px;
  padding: 18px 0 0;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-faq .faq-tab {
  flex: 0 0 auto;
  padding: 9px 14px;
  border: 1px solid var(--line);
  color: var(--paper);
  font-size: var(--f-14);
  letter-spacing: 0.08em;
  white-space: nowrap;
  text-decoration: none;
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease);
}

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

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding: 0 0 6px;
  border-top: 1px solid var(--line);
  margin-top: 34px;
  scroll-margin-top: 90px;
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 16px;
  padding: 24px 0 14px;
}

.page-faq .faq-group__no {
  font-family: var(--mono);
  font-size: var(--f-14);
  letter-spacing: 0.12em;
  color: var(--signal);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: var(--faq-h2);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-group__note {
  flex: 1 1 240px;
  margin: 0;
  font-size: var(--f-14);
  line-height: 1.6;
  color: var(--fog);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  display: block;
}

.page-faq .qa {
  border-top: 1px solid var(--line);
}

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

.page-faq .qa__q {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 38px 18px 0;
  list-style: none;
  cursor: pointer;
  font-size: var(--faq-q);
  font-weight: 800;
  line-height: 1.35;
  color: var(--paper);
  transition: color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

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

.page-faq .qa__q::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 16px;
  font-family: var(--mono);
  font-size: var(--f-24);
  line-height: 1;
  color: var(--signal);
}

.page-faq .qa[open] .qa__q::after {
  content: "–";
}

.page-faq .qa__q:hover {
  color: var(--signal);
  padding-left: 6px;
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.page-faq .qa__no {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: var(--f-14);
  color: var(--signal);
}

.page-faq .qa__title {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa__a {
  margin: 0 0 20px;
  padding: var(--faq-pad);
  background-color: var(--index);
  border: 1px solid var(--line);
  box-shadow: 5px 5px 0 rgba(41, 224, 138, 0.16);
}

.page-faq .qa__a p {
  margin: 0 0 10px;
  max-width: 64ch;
  font-size: var(--f-18);
  line-height: 1.72;
  color: var(--ink);
}

.page-faq .qa__a p:last-child {
  margin-bottom: 0;
}

.page-faq .qa__a a {
  color: var(--moss);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .qa__a a:hover,
.page-faq .qa__a a:focus-visible {
  color: var(--ink);
  background-color: var(--signal);
}

.page-faq .qa__side {
  margin-top: 12px !important;
  padding-top: 10px;
  border-top: 1px dashed rgba(6, 8, 11, 0.3);
  font-size: var(--f-14) !important;
  color: #3c4753;
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 26px 0 30px;
}

.page-faq .faq-figure__frame {
  padding: 10px;
  background-color: var(--carbon);
  border: 1px solid var(--line);
  box-shadow: 6px 6px 0 rgba(41, 224, 138, 0.12);
}

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

.page-faq .faq-figure__cap {
  margin: 12px 0 0;
  font-size: var(--f-14);
  line-height: 1.6;
  color: var(--fog);
}

.page-faq .faq-figure--tall .faq-figure__frame {
  max-width: 420px;
}

/* ---------- 判断标准表 ---------- */
.page-faq .faq-check-table__cap {
  padding: 0 0 12px;
  text-align: left;
  font-size: var(--f-14);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fog);
}

.page-faq .faq-check-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
}

.page-faq .faq-check-table th,
.page-faq .faq-check-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  font-size: var(--f-14);
  line-height: 1.65;
  text-align: left;
  vertical-align: top;
}

.page-faq .faq-check-table thead th {
  background-color: var(--index);
  color: var(--ink);
  font-weight: 800;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--index);
}

.page-faq .faq-check-table tbody th {
  color: var(--signal);
  font-family: var(--mono);
  font-weight: 700;
  white-space: nowrap;
}

.page-faq .faq-check-table tbody td {
  color: var(--paper);
}

.page-faq .faq-check-table tbody tr {
  transition: background-color 0.18s var(--ease);
}

.page-faq .faq-check-table tbody tr:hover {
  background-color: rgba(41, 224, 138, 0.1);
}

.page-faq .faq-check-table tbody tr:hover th,
.page-faq .faq-check-table tbody tr:hover td {
  border-bottom-color: var(--signal);
}

/* ---------- 结束区 ---------- */
.page-faq .faq-end {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
  justify-content: space-between;
  margin: 40px 0 56px;
  padding: 26px 22px;
  background-color: var(--moss);
  border: 1px solid var(--line);
  box-shadow: 6px 6px 0 rgba(41, 224, 138, 0.14);
}

.page-faq .faq-end__text {
  flex: 1 1 320px;
}

.page-faq .faq-end__title {
  margin: 0 0 10px;
  font-size: var(--f-24);
  font-weight: 900;
  color: var(--paper);
}

.page-faq .faq-end__desc {
  margin: 0;
  max-width: 56ch;
  font-size: var(--f-14);
  line-height: 1.7;
  color: #b9c6c0;
}

.page-faq .faq-end__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    grid-template-areas:
      "kicker facts"
      "title facts"
      "lead facts"
      "lead facts";
    column-gap: 40px;
  }

  .page-faq .faq-hero__kicker {
    grid-area: kicker;
    justify-self: start;
  }

  .page-faq .faq-hero h1 {
    grid-area: title;
    max-width: 22ch;
  }

  .page-faq .faq-hero__lead {
    grid-area: lead;
    margin-bottom: 0;
  }

  .page-faq .faq-facts {
    grid-area: facts;
    align-self: end;
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    padding-top: 0;
    border-top: 0;
  }

  .page-faq .faq-facts li {
    padding: 0 0 0 16px;
    border-left: 2px solid var(--signal);
  }

  .page-faq .faq-facts li:first-child {
    padding-left: 16px;
    border-left: 2px solid var(--signal);
  }

  .page-faq .faq-end {
    padding: 32px 34px;
  }
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 480px) {
  .page-faq .faq-hero__lead {
    font-size: var(--f-18);
  }

  .page-faq .qa__q {
    gap: 10px;
    padding-right: 30px;
  }

  .page-faq .qa__a {
    padding: 16px 14px;
  }

  .page-faq .faq-figure--tall .faq-figure__frame {
    max-width: 100%;
  }
}