.page-faq {
  --faq-gap: clamp(40px, 6vw, 76px);
  --faq-hair: 1px solid var(--line);
  --faq-pad: clamp(16px, 3vw, 24px);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-mast {
  padding: clamp(18px, 4vw, 38px) 0 clamp(30px, 5vw, 58px);
  border-bottom: var(--faq-hair);
  background:
    radial-gradient(120% 96% at 88% -6%, rgba(138, 92, 255, .26), transparent 62%),
    radial-gradient(80% 70% at 4% 110%, rgba(45, 226, 198, .12), transparent 66%);
}

.page-faq .faq-mast__inner {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-faq .faq-mast__kicker {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--muted);
}

.page-faq .faq-mast__no {
  font-size: 26px;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: .04em;
}

.page-faq .faq-mast__title {
  margin: 14px 0 0;
  max-width: 22ch;
  font-size: clamp(1.95rem, 6.2vw, 4rem);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-faq .faq-mast__lede {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--paper);
  opacity: .84;
}

.page-faq .faq-mast__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-mast__media {
  margin: 0;
  border: var(--faq-hair);
  border-radius: var(--radius);
  background: var(--ink-2);
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(138, 92, 255, .22), var(--shadow-lift);
}

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

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(28px, 4vw, 54px);
  padding: clamp(32px, 5vw, 66px) 0 clamp(52px, 8vw, 96px);
}

.page-faq .faq-flow {
  display: flex;
  flex-direction: column;
  gap: var(--faq-gap);
  min-width: 0;
}

/* ---------- 索引 ---------- */
.page-faq .faq-index {
  border-top: 2px solid var(--violet);
  padding-top: 16px;
}

.page-faq .faq-index__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--cyan);
}

.page-faq .faq-index__group {
  margin: 16px 0 6px;
  padding-left: 10px;
  border-left: 2px solid var(--line);
}

.page-faq .faq-index__cat {
  font-size: 13px;
  font-weight: 700;
  color: var(--paper);
  text-decoration: none;
  letter-spacing: .04em;
}

.page-faq .faq-index__cat:hover,
.page-faq .faq-index__cat:focus-visible {
  color: var(--violet);
}

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

.page-faq .faq-index__link {
  display: block;
  padding: 6px 0 6px 12px;
  border-left: 2px solid transparent;
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), padding-left .2s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--paper);
  border-left-color: var(--violet);
  padding-left: 16px;
}

/* ---------- 区块题头 ---------- */
.page-faq .faq-block {
  scroll-margin-top: calc(var(--head-h) + 24px);
}

.page-faq .faq-block__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 16px;
  align-items: baseline;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: var(--faq-hair);
}

.page-faq .faq-block__no {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: clamp(30px, 5vw, 46px);
  line-height: .88;
  color: var(--violet);
  letter-spacing: .02em;
}

.page-faq .faq-block__title {
  margin: 0;
  font-size: clamp(1.35rem, 3.4vw, 1.9rem);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-faq .faq-block__lede {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 22px;
  border: var(--faq-hair);
  border-radius: var(--radius);
  background: var(--ink-2);
  overflow: hidden;
}

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

.page-faq .faq-figure__cap {
  padding: 12px 18px;
  border-top: var(--faq-hair);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 问答 ---------- */
.page-faq .qa-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-faq .qa {
  position: relative;
  border: var(--faq-hair);
  border-radius: var(--radius);
  background: var(--ink-2);
  transition: border-color .24s var(--ease), box-shadow .24s var(--ease);
}

.page-faq .qa::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--violet);
  opacity: 0;
  transition: opacity .24s var(--ease);
}

.page-faq .qa:hover {
  border-color: rgba(138, 92, 255, .38);
}

.page-faq .qa[open],
.page-faq .qa:target {
  border-color: rgba(138, 92, 255, .55);
}

.page-faq .qa[open]::before,
.page-faq .qa:target::before {
  opacity: 1;
}

.page-faq .qa__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 18px var(--faq-pad);
  cursor: pointer;
  list-style: none;
  font-size: clamp(1rem, 2.4vw, 1.12rem);
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
  transition: color .2s var(--ease);
}

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

.page-faq .qa:target .qa__q,
.page-faq .qa[open] .qa__q {
  color: var(--paper);
}

.page-faq .qa__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

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

.page-faq .qa__mark {
  flex: none;
  width: 18px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--violet);
}

.page-faq .qa__mark::before {
  content: "+";
}

.page-faq .qa[open] .qa__mark::before {
  content: "−";
}

.page-faq .qa__a {
  padding: 0 var(--faq-pad) 20px calc(var(--faq-pad) + 30px);
}

.page-faq .qa__a p {
  margin: 0 0 12px;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--paper);
  opacity: .88;
}

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

.page-faq .qa__note {
  padding-left: 12px;
  border-left: 2px solid var(--cyan);
  font-size: 14px !important;
  color: var(--muted) !important;
  opacity: 1 !important;
}

/* ---------- 步骤 ---------- */
.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 0 0 12px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-steps li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
  opacity: .88;
}

.page-faq .faq-steps li::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  flex: none;
  min-width: 2.2em;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--cyan);
}

/* ---------- 费用表 ---------- */
.page-faq .faq-table__wrap {
  margin-bottom: 26px;
  border: var(--faq-hair);
  border-radius: var(--radius);
  background: var(--ink-2);
  overflow-x: auto;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-faq .faq-table caption {
  padding: 14px 18px;
  border-bottom: var(--faq-hair);
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  line-height: 1.65;
  color: var(--paper);
}

.page-faq .faq-table thead th {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--muted);
  background: rgba(244, 241, 234, .04);
}

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

.page-faq .faq-table__tier {
  font-weight: 700;
  white-space: nowrap;
}

.page-faq .faq-table__num {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--cyan);
  white-space: nowrap;
}

/* ---------- 联系 ---------- */
.page-faq .faq-block--reach .faq-block__head {
  border-bottom-color: rgba(255, 122, 47, .45);
}

.page-faq .faq-block--reach .faq-block__no {
  color: var(--orange);
}

.page-faq .faq-reach {
  display: grid;
  gap: 14px;
  margin-bottom: 22px;
}

.page-faq .faq-reach__item {
  padding: 18px var(--faq-pad);
  border: var(--faq-hair);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius);
  background: var(--ink-2);
}

.page-faq .faq-reach__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--muted);
}

.page-faq .faq-reach__val {
  margin: 8px 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.6vw, 18px);
  letter-spacing: .02em;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-reach__desc {
  margin: 0;
  max-width: 54ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-reach__tail {
  margin: 0;
  max-width: 70ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 226, 198, .45);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

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

/* ---------- 回到索引 ---------- */
.page-faq .faq-jump {
  position: fixed;
  right: 16px;
  bottom: 18px;
  z-index: 30;
  display: inline-block;
  padding: 10px 14px;
  border: 1px solid var(--violet);
  border-radius: var(--radius);
  background: rgba(18, 16, 31, .94);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--paper);
  text-decoration: none;
  box-shadow: var(--shadow-lift);
}

.page-faq .faq-jump:hover,
.page-faq .faq-jump:focus-visible {
  color: var(--ink);
  background: var(--violet);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-reach {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-faq .faq-mast__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }
}

@media (min-width: 1020px) {
  .page-faq .faq-body {
    grid-template-columns: 268px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--head-h) + 28px);
    max-height: calc(100vh - var(--head-h) - 56px);
    overflow-y: auto;
    padding-right: 6px;
  }

  .page-faq .faq-reach {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-jump {
    display: none;
  }
}

@media (max-width: 480px) {
  .page-faq .qa__a {
    padding-left: var(--faq-pad);
  }

  .page-faq .qa__q {
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .qa,
  .page-faq .qa__q,
  .page-faq .faq-inline-link {
    transition: none;
  }
}