.page-faq {
  --faq-line: rgba(201, 211, 212, 0.24);
  --faq-line-strong: rgba(201, 211, 212, 0.52);
  --faq-body-text: #3a2a20;
  --faq-paper-muted: #6b5442;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 3px solid var(--umber);
  background: var(--ink-850);
}

.page-faq .faq-hero__img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  opacity: 0.62;
  filter: contrast(1.08) saturate(0.85);
}

.page-faq .faq-hero__scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(105deg, rgba(10, 31, 26, 0.96) 0%, rgba(10, 31, 26, 0.84) 44%, rgba(18, 20, 22, 0.56) 100%),
    repeating-linear-gradient(0deg, rgba(182, 255, 59, 0.07) 0 1px, transparent 1px 40px);
}

.page-faq .faq-hero__inner {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 16px;
  min-height: clamp(320px, 40vw, 500px);
  padding-top: clamp(48px, 8vw, 96px);
  padding-bottom: clamp(32px, 5vw, 60px);
}

.page-faq .faq-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(56px, 11vw, 148px);
  line-height: 0.9;
  letter-spacing: -0.015em;
  color: var(--paper);
  text-shadow: 6px 6px 0 rgba(43, 29, 22, 0.72);
}

.page-faq .faq-hero__lead {
  max-width: 56ch;
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.8;
  color: var(--silver);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs {
  border-bottom: 1px solid var(--faq-line);
  background: var(--ink-800);
}

.page-faq .faq-crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  margin: 0;
  padding: 12px 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-faq .faq-crumbs__list li + li::before {
  content: "/";
  margin: 0 8px;
  color: var(--moss);
}

.page-faq .faq-crumbs__list a {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-crumbs__list a:hover,
.page-faq .faq-crumbs__list a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--orange);
}

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

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  padding-top: clamp(28px, 4.4vw, 56px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---------- 左侧索引 ---------- */
.page-faq .faq-index {
  align-self: start;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--faq-line-strong);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-faq .faq-index__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__list a {
  display: flex;
  gap: 8px;
  align-items: baseline;
  padding: 9px 10px;
  border-left: 3px solid transparent;
  background: rgba(201, 211, 212, 0.04);
  font-size: 13px;
  line-height: 1.45;
  color: var(--silver);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  border-left-color: var(--lime);
  background: rgba(182, 255, 59, 0.1);
  color: var(--paper);
}

.page-faq .faq-index__list a:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-faq .faq-idx__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--lime);
}

/* ---------- 分组标题 ---------- */
.page-faq .faq-group {
  margin-bottom: clamp(30px, 4.4vw, 54px);
}

.page-faq .faq-group:last-of-type {
  margin-bottom: 0;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num title"
    "num note";
  column-gap: 14px;
  align-items: center;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--faq-line-strong);
}

.page-faq .faq-group__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: clamp(34px, 4.6vw, 56px);
  font-weight: 700;
  line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--lime);
  letter-spacing: 0.02em;
}

.page-faq .faq-group__title {
  grid-area: title;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-group__note {
  grid-area: note;
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

/* ---------- 问答卡 ---------- */
.page-faq .qa {
  border: 2px solid var(--umber);
  border-left: 6px solid var(--umber);
  background: var(--paper);
  color: var(--faq-body-text);
  box-shadow: 6px 6px 0 rgba(43, 29, 22, 0.55);
  margin-bottom: 14px;
  transition: border-left-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .qa:hover {
  box-shadow: 8px 8px 0 rgba(43, 29, 22, 0.62);
}

.page-faq .qa[open] {
  border-left-color: var(--orange);
}

.page-faq .qa__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 16px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.5;
  color: var(--umber);
}

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

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

.page-faq .qa__q::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  color: var(--umber);
}

.page-faq .qa[open] .qa__q::after {
  content: "–";
  color: var(--orange);
}

.page-faq .qa__q:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: -3px;
}

.page-faq .qa__no {
  flex: 0 0 auto;
  padding: 3px 6px;
  background: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.2;
  color: var(--paper);
}

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

.page-faq .qa__a {
  padding: 14px 16px 18px;
  border-top: 1px dashed rgba(43, 29, 22, 0.28);
  font-size: 14.5px;
  line-height: 1.78;
}

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

.page-faq .qa__a p + p {
  margin-top: 10px;
}

.page-faq .qa__a a {
  color: #b63a08;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease);
}

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

/* ---------- 费用对照 ---------- */
.page-faq .faq-cost-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin: 6px 0 20px;
}

.page-faq .faq-price {
  border: 2px solid var(--umber);
  background: var(--paper);
  color: var(--umber);
  box-shadow: 7px 7px 0 rgba(43, 29, 22, 0.55);
  padding: 16px;
  overflow-x: auto;
}

.page-faq .faq-price__caption {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faq-paper-muted);
}

.page-faq .faq-price table {
  width: 100%;
  min-width: 400px;
  border-collapse: collapse;
}

.page-faq .faq-price th,
.page-faq .faq-price td {
  padding: 9px 8px;
  border-bottom: 1px solid rgba(43, 29, 22, 0.18);
  text-align: right;
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.page-faq .faq-price thead th {
  border-bottom: 2px solid var(--umber);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--faq-paper-muted);
}

.page-faq .faq-price thead th:last-child,
.page-faq .faq-price tbody td:last-child {
  background: rgba(255, 90, 31, 0.09);
}

.page-faq .faq-price th:first-child,
.page-faq .faq-price td:first-child {
  text-align: left;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13px;
  white-space: normal;
}

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

.page-faq .faq-cost-fig {
  margin: 0;
  border: 2px solid var(--faq-line-strong);
  background: var(--ink-800);
}

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

.page-faq .faq-cost-fig__cap {
  padding: 10px 12px;
  border-top: 1px solid var(--faq-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--steel);
}

/* ---------- 联系区 ---------- */
.page-faq .faq-contact {
  position: relative;
  margin-top: clamp(34px, 5vw, 62px);
  padding: clamp(20px, 3vw, 34px);
  border: 2px solid var(--moss);
  background:
    linear-gradient(150deg, rgba(62, 107, 90, 0.4) 0%, rgba(10, 31, 26, 0.94) 70%),
    var(--ink-900);
  overflow: hidden;
}

.page-faq .faq-contact::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 96px;
  height: 5px;
  background: var(--orange);
}

.page-faq .faq-contact__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.15;
  color: var(--paper);
}

.page-faq .faq-contact__lead {
  max-width: 60ch;
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--silver);
}

.page-faq .faq-contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 20px;
}

.page-faq .faq-contact__row {
  padding-top: 10px;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-contact__label {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-faq .faq-contact__value {
  display: block;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--lime);
  word-break: break-word;
}

.page-faq .faq-contact__value--plain {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 14.5px;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-contact__note {
  margin: 18px 0 0;
  padding-left: 12px;
  border-left: 3px solid var(--orange);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--steel);
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 20px;
}

.page-faq .faq-contact__actions .link-arrow {
  color: var(--silver);
  font-size: 14px;
}

.page-faq .faq-contact__actions .link-arrow:hover,
.page-faq .faq-contact__actions .link-arrow:focus-visible {
  color: var(--lime);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-cost-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 22px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(220px, 272px) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--frame-h) + 24px);
  }

  .page-faq .faq-index__list {
    grid-template-columns: 1fr;
  }

  .page-faq .qa__q {
    padding: 17px 20px;
  }

  .page-faq .qa__a {
    padding: 16px 20px 20px;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-index__list {
    grid-template-columns: 1fr;
  }

  .page-faq .faq-hero__title {
    text-shadow: 4px 4px 0 rgba(43, 29, 22, 0.72);
  }

  .page-faq .qa {
    box-shadow: 4px 4px 0 rgba(43, 29, 22, 0.55);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .faq-index__list a,
  .page-faq .faq-crumbs__list a,
  .page-faq .qa__a a {
    transition: none;
  }
}
<<<END>>>