.page-faq {
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 28px 0 52px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(22, 34, 76, 0.07), rgba(22, 34, 76, 0) 62%),
    var(--paper);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(27px, 6vw, 48px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  margin: 14px 0 0;
  color: var(--indigo);
  max-width: 18em;
}

.page-faq .faq-hero .lead {
  margin: 20px 0 0;
  font-family: var(--font-body);
  font-size: clamp(16px, 2.1vw, 18px);
  line-height: 1.85;
  color: rgba(16, 21, 31, 0.82);
  max-width: 34em;
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 28px 0 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-stats__item {
  margin: 0;
  padding: 14px 12px;
  background: var(--paper-white);
}

.page-faq .faq-stats__label {
  margin: 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--rock);
}

.page-faq .faq-stats__num {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(18px, 3.4vw, 24px);
  letter-spacing: 0.02em;
  color: var(--indigo);
  white-space: nowrap;
}

.page-faq .faq-stats__num span {
  font-size: 12px;
  color: var(--rock);
  letter-spacing: 0;
}

.page-faq .faq-hero__frame {
  position: relative;
  border: 1px solid var(--line-strong);
  background: var(--paper-white);
  box-shadow: 9px 9px 0 rgba(180, 134, 60, 0.18);
}

.page-faq .faq-hero__frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  background: var(--indigo);
}

.page-faq .faq-hero__stamp {
  position: absolute;
  left: -1px;
  bottom: -1px;
  display: block;
  padding: 6px 12px;
  background: var(--indigo);
  color: var(--copper-bright);
  font-size: 12px;
  letter-spacing: 0.1em;
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-index {
  background: var(--paper-white);
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
}

.page-faq .faq-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .faq-index__link .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--copper);
  letter-spacing: 0.06em;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--copper);
  background: var(--indigo);
  color: var(--paper-white);
}

.page-faq .faq-index__link:hover .mono,
.page-faq .faq-index__link:focus-visible .mono {
  color: var(--copper-bright);
}

/* ---------- 区块 ---------- */
.page-faq .faq-sec {
  padding: clamp(40px, 6.5vw, 76px) 0;
}

.page-faq .faq-sec--paper {
  background: var(--paper-white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-sec--band {
  background: var(--indigo);
  color: var(--paper-white);
}

.page-faq .faq-sec .chapter {
  margin-bottom: 28px;
}

.page-faq .faq-sec--band .chapter__title,
.page-faq .faq-sec--band h2 {
  color: var(--paper-white);
}

/* ---------- 速查表 ---------- */
.page-faq .faq-table-wrap {
  border: 1px solid var(--line-strong);
  background: var(--paper-white);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: 15px;
}

.page-faq .faq-table__cap {
  caption-side: top;
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--rock);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.7;
}

.page-faq .faq-table thead th {
  background: var(--indigo);
  color: var(--paper-white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.02em;
  border-bottom-color: var(--indigo-deep);
  white-space: nowrap;
}

.page-faq .faq-table tbody th {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--indigo);
  white-space: nowrap;
}

.page-faq .faq-table tbody td {
  color: rgba(16, 21, 31, 0.84);
}

.page-faq .faq-table tbody td:last-child {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--clay);
  white-space: nowrap;
}

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

.page-faq .faq-table tbody tr:hover {
  background: rgba(180, 134, 60, 0.1);
}

.page-faq .faq-table tbody tr:last-child th,
.page-faq .faq-table tbody tr:last-child td {
  border-bottom: 0;
}

/* ---------- 五环节 ---------- */
.page-faq .faq-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 28px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-flow__step {
  background: var(--paper-white);
  padding: 20px 16px 18px;
  border-top: 2px solid transparent;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-faq .faq-flow__step:hover {
  border-top-color: var(--copper);
  background: var(--paper);
}

.page-faq .faq-flow__num {
  display: block;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--copper);
}

.page-faq .faq-flow__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  color: var(--indigo);
}

.page-faq .faq-flow__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(16, 21, 31, 0.78);
}

.page-faq .faq-flow__time {
  margin: 12px 0 0;
  font-size: 12.5px;
  color: var(--moss);
  letter-spacing: 0.04em;
}

/* ---------- 问答组 ---------- */
.page-faq .qa-group {
  border-top: 2px solid var(--indigo);
  padding-top: 22px;
  margin-top: 44px;
  scroll-margin-top: 96px;
}

.page-faq .qa-group:first-of-type {
  margin-top: 0;
}

.page-faq .qa-group__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px 16px;
  margin-bottom: 18px;
}

.page-faq .qa-group__num {
  font-size: clamp(30px, 6vw, 44px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--copper);
}

.page-faq .qa-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 3.6vw, 28px);
  line-height: 1.2;
  color: var(--indigo);
}

.page-faq .qa-group .tag {
  margin-left: auto;
}

.page-faq .faq-group-img {
  margin: 0 0 16px;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  overflow: hidden;
}

.page-faq .faq-group-img img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-faq .faq-group-img .media__caption {
  display: block;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--rock);
}

.page-faq .qa-item {
  border: 1px solid var(--line);
  border-left: 3px solid transparent;
  background: var(--paper-white);
  margin-top: 10px;
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-faq .qa-item:hover {
  border-left-color: var(--copper-line);
}

.page-faq .qa-item[open] {
  border-left-color: var(--copper);
  box-shadow: 5px 5px 0 rgba(180, 134, 60, 0.14);
}

.page-faq .qa-item__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  transition: color 0.18s var(--ease);
}

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

.page-faq .qa-item__q::marker {
  content: "";
}

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

.page-faq .qa-item__q:focus-visible {
  outline: 2px solid var(--copper-bright);
  outline-offset: -3px;
}

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

.page-faq .qa-item__icon {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
  margin-top: 6px;
}

.page-faq .qa-item__icon::before,
.page-faq .qa-item__icon::after {
  content: "";
  position: absolute;
  background: var(--copper);
  transition: transform 0.24s var(--ease), opacity 0.24s var(--ease);
}

.page-faq .qa-item__icon::before {
  top: 50%;
  left: 0;
  width: 14px;
  height: 1.5px;
  margin-top: -0.75px;
}

.page-faq .qa-item__icon::after {
  left: 50%;
  top: 0;
  width: 1.5px;
  height: 14px;
  margin-left: -0.75px;
}

.page-faq .qa-item[open] .qa-item__icon::before {
  transform: rotate(45deg);
}

.page-faq .qa-item[open] .qa-item__icon::after {
  transform: rotate(45deg);
}

.page-faq .qa-item__a {
  border-top: 1px dashed var(--line);
  padding: 0 18px 18px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: rgba(16, 21, 31, 0.85);
}

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

.page-faq .qa-item__a > p {
  margin-top: 15px;
}

.page-faq .qa-item__a .link-line {
  color: var(--clay);
  text-decoration: none;
  border-bottom: 1px solid var(--copper-line);
}

.page-faq .qa-item__a .link-line:hover {
  color: var(--indigo);
  border-bottom-color: var(--copper);
}

/* ---------- 说法对照 ---------- */
.page-faq .faq-terms {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-term {
  background: var(--paper-white);
  padding: 18px;
  transition: background-color 0.18s var(--ease);
}

.page-faq .faq-term:hover {
  background: var(--paper);
}

.page-faq .faq-term__key {
  display: block;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.06em;
  color: var(--clay);
}

.page-faq .faq-term__val {
  margin: 9px 0 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(16, 21, 31, 0.82);
}

/* ---------- 对接区 ---------- */
.page-faq .faq-manual {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-faq .faq-manual__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 4.4vw, 36px);
  line-height: 1.2;
  color: var(--paper-white);
}

.page-faq .faq-manual__lead {
  margin: 16px 0 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: rgba(245, 241, 232, 0.78);
  max-width: 34em;
}

.page-faq .faq-manual__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--paper-line);
}

.page-faq .faq-manual__list li {
  position: relative;
  padding: 13px 0 13px 26px;
  border-bottom: 1px solid var(--paper-line);
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.7;
  color: rgba(245, 241, 232, 0.9);
}

.page-faq .faq-manual__list li::before {
  content: "—";
  position: absolute;
  left: 0;
  top: 13px;
  color: var(--copper);
  font-family: var(--font-mono);
}

.page-faq .faq-manual__reach {
  border: 1px solid var(--paper-line);
  border-left: 3px solid var(--copper);
  background: var(--indigo-deep);
  padding: 20px;
}

.page-faq .faq-manual__hint {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(245, 241, 232, 0.82);
}

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

.page-faq .faq-manual__meta-row {
  display: grid;
  grid-template-columns: 5.5em 1fr;
  gap: 10px;
  padding: 9px 0;
  border-top: 1px dashed var(--paper-line);
}

.page-faq .faq-manual__meta-row dt {
  font-size: 13px;
  color: var(--rock);
}

.page-faq .faq-manual__meta-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--paper-white);
  word-break: break-word;
}

.page-faq .faq-manual__foot {
  margin: 16px 0 0;
  font-size: 14px;
}

.page-faq .faq-manual__foot .link-line {
  color: var(--copper-bright);
  text-decoration: none;
  border-bottom: 1px solid var(--copper);
}

.page-faq .faq-manual__foot .link-line:hover {
  color: var(--paper-white);
}

/* ---------- 延伸入口 ---------- */
.page-faq .faq-next {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-next__link {
  display: block;
  background: var(--paper-white);
  padding: 20px 18px;
  text-decoration: none;
  transition: background-color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-faq .faq-next__link:hover,
.page-faq .faq-next__link:focus-visible {
  background: var(--paper);
  padding-left: 24px;
}

.page-faq .faq-next__label {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  color: var(--indigo);
  border-bottom: 2px solid var(--copper-line);
  padding-bottom: 6px;
  width: fit-content;
}

.page-faq .faq-next__desc {
  display: block;
  margin-top: 10px;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(16, 21, 31, 0.78);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-flow {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 40px 0 68px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: 6fr 6fr;
    gap: 52px;
    align-items: center;
  }

  .page-faq .faq-flow {
    grid-template-columns: repeat(5, 1fr);
  }

  .page-faq .faq-manual {
    grid-template-columns: 5fr 4fr 3fr;
    gap: 36px;
    align-items: start;
  }

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

  .page-faq .qa-item__q {
    font-size: 17px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 5fr 7fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition-duration: 0.01ms !important;
  }
}