.page-faq {
  --faq-edge: clamp(16px, 4vw, 40px);
  --faq-index-w: 264px;
  background: var(--ink);
  color: var(--warm);
}

.page-faq .faq-hero {
  position: relative;
  padding: clamp(18px, 3vw, 32px) 0 clamp(38px, 6vw, 76px);
  background:
    linear-gradient(180deg, rgba(20, 22, 26, 0.9) 0%, rgba(11, 12, 14, 0) 72%),
    var(--ink);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 1px;
  background: linear-gradient(180deg, var(--gold), transparent 62%);
  opacity: 0.55;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0 0 0 0;
  background-image: repeating-linear-gradient(90deg, rgba(58, 63, 71, 0.22) 0 1px, transparent 1px 96px);
  pointer-events: none;
  opacity: 0.5;
}

.page-faq .faq-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  margin-top: clamp(18px, 2.6vw, 30px);
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--iron);
  padding: 8px;
  order: 2;
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 10 / 7;
}

.page-faq .faq-hero__figure .media-frame__caption {
  display: block;
  padding: 10px 2px 2px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--silver);
  line-height: 1.6;
}

.page-faq .faq-hero__text {
  order: 1;
  min-width: 0;
}

.page-faq h1 {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(30px, 6.2vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 10px 0 0;
  color: var(--warm);
}

.page-faq .lede {
  margin-top: 16px;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--silver);
}

.page-faq .faq-steps {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  counter-reset: none;
  border-top: 1px solid var(--line);
}

.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-steps__num {
  font-family: var(--f-num);
  font-size: 32px;
  line-height: 1;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-faq .faq-steps__t {
  margin: 0 0 6px;
  font-family: var(--f-display);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: 0.01em;
  color: var(--warm);
}

.page-faq .faq-steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--silver);
}

/* 分流入口 */
.page-faq .faq-lanes {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-lanes__head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .faq-lanes__head h2 {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(22px, 3.4vw, 34px);
  letter-spacing: -0.01em;
}

.page-faq .faq-lanes__grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-lane {
  display: block;
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--char);
  text-decoration: none;
  color: inherit;
  transition: background var(--t) var(--ease), transform var(--t) var(--ease);
}

.page-faq .faq-lane:hover,
.page-faq .faq-lane:focus-visible {
  background: #23262b;
}

.page-faq .faq-lane__num {
  display: inline-block;
  font-family: var(--f-num);
  font-size: 40px;
  line-height: 1;
  color: var(--gold-dim);
  margin-bottom: 12px;
}

.page-faq .faq-lane__t {
  margin: 0 0 10px;
  font-family: var(--f-display);
  font-weight: 900;
  font-size: 18px;
  line-height: 1.4;
  color: var(--warm);
}

.page-faq .faq-lane p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--silver);
}

.page-faq .faq-lane__go {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gold);
  border-bottom: 1px solid var(--gold-dim);
  padding-bottom: 3px;
}

.page-faq .faq-lane:hover .faq-lane__go,
.page-faq .faq-lane:focus-visible .faq-lane__go {
  color: var(--gold-lt);
  border-bottom-color: var(--gold-lt);
}

/* 主体：索引 + 答案 */
.page-faq .faq-body {
  padding: clamp(32px, 5vw, 64px) 0;
}

.page-faq .faq-body__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  min-width: 0;
}

.page-faq .faq-index {
  border: 1px solid var(--line);
  border-left: 2px solid var(--gold);
  background: var(--iron);
  padding: 18px 18px 16px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--gold);
}

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

.page-faq .faq-index__list li + li {
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-index__list a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 11px 0;
  font-size: 14px;
  color: var(--warm);
  text-decoration: none;
  transition: color var(--t) var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--gold-lt);
}

.page-faq .faq-index__n {
  font-family: var(--f-num);
  font-size: 17px;
  letter-spacing: 0.04em;
  color: var(--gold);
  min-width: 24px;
}

.page-faq .faq-index__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--silver);
}

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

.page-faq .faq-group + .faq-group {
  margin-top: clamp(34px, 5vw, 60px);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 4px;
}

.page-faq .faq-group__num {
  font-family: var(--f-num);
  font-size: clamp(34px, 5vw, 52px);
  line-height: 0.9;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-faq .faq-group__head h2 {
  margin: 0 0 8px;
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(20px, 3vw, 28px);
  letter-spacing: -0.01em;
  color: var(--warm);
}

.page-faq .faq-group__lead {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--silver);
  max-width: 60ch;
}

.page-faq .faq-figure {
  margin: 20px 0 6px;
  border: 1px solid var(--line);
  background: var(--iron);
  padding: 8px;
  max-width: 420px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 4;
}

.page-faq .faq-figure .media-frame__caption {
  display: block;
  padding: 10px 2px 2px;
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.6;
  color: var(--silver);
}

.page-faq .faq-list {
  border-top: 1px solid var(--line-soft);
  margin-top: 18px;
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 2px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  line-height: 1.7;
  color: var(--warm);
  transition: color var(--t) var(--ease);
}

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

.page-faq .faq-item summary:hover,
.page-faq .faq-item summary:focus-visible {
  color: var(--gold-lt);
}

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

.page-faq .faq-item__sign {
  position: relative;
  flex: 0 0 16px;
  width: 16px;
  height: 16px;
  margin-top: 5px;
  border: 1px solid var(--gold-dim);
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  background: var(--gold);
}

.page-faq .faq-item__sign::before {
  left: 3px;
  right: 3px;
  top: 6px;
  height: 1px;
}

.page-faq .faq-item__sign::after {
  top: 3px;
  bottom: 3px;
  left: 6px;
  width: 1px;
}

.page-faq .faq-item[open] .faq-item__sign {
  transform: rotate(90deg);
  border-color: var(--gold);
}

.page-faq .faq-item[open] > summary {
  color: var(--gold-lt);
}

.page-faq .faq-item__a {
  padding: 0 2px 16px;
  max-width: 66ch;
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(232, 228, 218, 0.82);
}

/* 收口 */
.page-faq .faq-cta {
  border-top: 1px solid var(--line);
  background:
    linear-gradient(100deg, rgba(122, 31, 26, 0.42) 0%, rgba(30, 33, 38, 0.9) 58%, var(--char) 100%);
}

.page-faq .faq-cta__inner {
  display: grid;
  gap: 22px;
  align-items: center;
}

.page-faq .faq-cta__text h2 {
  margin: 8px 0 10px;
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(20px, 3vw, 30px);
  line-height: 1.3;
  color: var(--warm);
}

.page-faq .faq-cta__text p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--silver);
  max-width: 60ch;
}

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

@media (min-width: 620px) {
  .page-faq .faq-lanes__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-cta__inner {
    grid-template-columns: 1fr auto;
  }
}

@media (min-width: 880px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    align-items: start;
  }
  .page-faq .faq-hero__figure {
    order: 1;
  }
  .page-faq .faq-hero__text {
    order: 2;
  }
  .page-faq .faq-lanes__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-body__grid {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    align-items: start;
  }
  .page-faq .faq-index {
    position: sticky;
    top: 96px;
  }
  .page-faq .faq-figure {
    float: right;
    margin: 18px 0 18px 28px;
    width: 40%;
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-steps li {
    grid-template-columns: 64px 1fr;
    gap: 20px;
    padding: 20px 0;
  }
  .page-faq .faq-steps__num {
    font-size: 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__sign,
  .page-faq .faq-lane,
  .page-faq .faq-index__list a,
  .page-faq .faq-item summary {
    transition: none;
  }
}
<<<END>>>