.page-faq {
  --faq-rail: 280px;
  --faq-gap: 40px;
  --faq-body-w: 34em;
  background: var(--paper-100);
  color: var(--ink-900);
  padding-bottom: 72px;
  overflow-x: clip;
}

.page-faq .faq-crumbs {
  padding: 20px 0 14px;
  font-size: 13px;
}

/* ================= 首屏框景 ================= */
.page-faq .faq-hero {
  position: relative;
  margin: 6px 0 34px;
  padding: 30px 20px 26px;
  background: var(--green-950);
  color: var(--paper-100);
}

.page-faq .faq-hero__cap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--mist-300);
}

.page-faq .faq-hero__cap .num {
  display: inline-block;
  padding: 4px 7px;
  border: 1px solid var(--gold-500);
  color: var(--gold-300);
  font-size: 12px;
  line-height: 1;
}

.page-faq .faq-hero h1 {
  margin: 0 0 16px;
  max-width: 20em;
  font-size: 30px;
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--paper-100);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist-300);
}

.page-faq .faq-jump {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 1px solid var(--green-600);
}

.page-faq .faq-jump li {
  border-bottom: 1px solid var(--green-600);
}

.page-faq .faq-jump a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 4px;
  color: var(--paper-100);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: color var(--tick), background var(--tick);
}

.page-faq .faq-jump a .num {
  flex: none;
  color: var(--gold-500);
  font-size: 12px;
}

.page-faq .faq-jump a em {
  margin-left: auto;
  font-style: normal;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--stone-400);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  color: var(--gold-300);
  background: rgba(201, 162, 39, 0.1);
}

/* ================= 双栏结构 ================= */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

/* ---------- 左侧问题清单 ---------- */
.page-faq .faq-index {
  border: 1px solid var(--green-600);
  background: var(--clay-200);
  padding: 16px 14px 18px;
}

.page-faq .faq-index__cap {
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--green-600);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--green-800);
}

.page-faq .faq-index__group + .faq-index__group {
  margin-top: 16px;
}

.page-faq .faq-index__label {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--green-800);
}

.page-faq .faq-index__label .num {
  margin-right: 6px;
  color: var(--gold-500);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 6px;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding: 6px 8px;
  border-left: 1px solid rgba(42, 97, 82, 0.42);
  color: var(--ink-900);
  text-decoration: none;
  font-size: 13px;
  line-height: 1.5;
  transition: background var(--tick), border-color var(--tick), color var(--tick);
}

.page-faq .faq-index__link .num {
  flex: none;
  font-size: 11px;
  color: var(--stone-400);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: rgba(245, 241, 231, 0.75);
  border-left-color: var(--gold-500);
}

/* ---------- 右侧答案区 ---------- */
.page-faq .faq-group + .faq-group {
  margin-top: 48px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--gold-500);
}

.page-faq .faq-group__anno {
  flex: none;
  margin: 3px 0 0;
  writing-mode: vertical-rl;
  font-size: 12px;
  line-height: 1;
  letter-spacing: 0.16em;
  color: var(--stone-400);
}

.page-faq .faq-group__title {
  margin: 0 0 8px;
  font-size: 22px;
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--green-950);
}

.page-faq .faq-group__lead {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-900);
}

/* ---------- 问答折叠面板 ---------- */
.page-faq .q-card {
  margin-bottom: 10px;
  border: 1px solid rgba(42, 97, 82, 0.32);
  background: var(--paper-100);
  transition: border-color var(--tick), box-shadow var(--tick);
}

.page-faq .q-card[open] {
  border-color: var(--green-600);
  box-shadow: inset 2px 0 0 var(--gold-500);
}

.page-faq .q-card:target {
  border-color: var(--gold-500);
  box-shadow: inset 2px 0 0 var(--gold-500), inset 0 0 0 1px var(--gold-300);
}

.page-faq .q-card__sum {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink-900);
  transition: background var(--tick);
}

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

.page-faq .q-card__sum::marker {
  content: "";
}

.page-faq .q-card__sum:hover {
  background: rgba(231, 220, 200, 0.6);
}

.page-faq .q-card__sum:focus-visible {
  outline: 2px solid var(--gold-500);
  outline-offset: -2px;
}

.page-faq .q-card__no {
  flex: none;
  padding: 4px 6px;
  border: 1px solid var(--gold-500);
  color: var(--gold-500);
  font-size: 11px;
  line-height: 1;
  letter-spacing: 0.02em;
  transition: background var(--tick), color var(--tick);
}

.page-faq .q-card[open] .q-card__no {
  background: var(--gold-500);
  color: var(--green-950);
}

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

.page-faq .q-card__chev {
  flex: none;
  margin-left: auto;
  width: 8px;
  height: 8px;
  border-right: 1px solid var(--gold-500);
  border-bottom: 1px solid var(--gold-500);
  transform: rotate(45deg);
  transition: transform var(--tick);
}

.page-faq .q-card[open] .q-card__chev {
  transform: rotate(-45deg);
}

.page-faq .q-card__body {
  padding: 2px 16px 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-900);
}

.page-faq .q-card__body > * {
  max-width: var(--faq-body-w);
}

.page-faq .q-card__body > *:last-child {
  margin-bottom: 0;
}

.page-faq .q-card__body p {
  margin: 0 0 12px;
}

.page-faq .q-card__body a {
  color: var(--green-800);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-500);
  transition: color var(--tick), border-color var(--tick);
}

.page-faq .q-card__body a:hover,
.page-faq .q-card__body a:focus-visible {
  color: var(--flare-600);
  border-bottom-color: var(--flare-600);
}

/* ---------- 步骤条 ---------- */
.page-faq .steps {
  position: relative;
  list-style: none;
  margin: 14px 0 14px;
  padding: 0 0 0 22px;
  max-width: var(--faq-body-w);
}

.page-faq .steps::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 10px;
  width: 1px;
  background: var(--green-600);
}

.page-faq .steps li {
  position: relative;
  padding-bottom: 12px;
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .steps li:last-child {
  padding-bottom: 0;
}

.page-faq .steps li::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--paper-100);
  border: 1px solid var(--gold-500);
}

.page-faq .steps strong {
  font-weight: 700;
  color: var(--green-950);
}

/* ---------- 提示条 ---------- */
.page-faq .q-card__note {
  margin: 12px 0 0;
  padding: 10px 12px;
  border-left: 2px solid var(--gold-500);
  background: var(--clay-200);
  font-size: 14px;
  line-height: 1.75;
  color: var(--green-950);
}

/* ---------- 插图 ---------- */
.page-faq .faq-fig {
  margin: 18px 0 6px;
  max-width: 100%;
  padding: 8px;
  border: 1px solid rgba(42, 97, 82, 0.32);
  background: var(--paper-100);
}

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

.page-faq .faq-fig .media__caption {
  margin: 8px 0 0;
  padding: 0 2px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--stone-400);
}

/* ---------- 联系方式列表 ---------- */
.page-faq .contact-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--green-600);
  border: 1px solid var(--green-600);
  max-width: 46em;
}

.page-faq .contact-list li {
  padding: 14px 16px;
  background: var(--paper-100);
}

.page-faq .contact-list__k {
  margin: 0 0 4px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--gold-500);
}

.page-faq .contact-list__v {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.55;
  color: var(--green-950);
  word-break: break-word;
}

.page-faq .contact-list__d {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-900);
}

/* ================= 断点 ================= */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding: 38px 32px 32px;
  }

  .page-faq .faq-hero h1 {
    font-size: 36px;
  }

  .page-faq .faq-jump {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: none;
    gap: 0 24px;
  }

  .page-faq .faq-jump li {
    border-top: 1px solid var(--green-600);
  }

  .page-faq .faq-index {
    padding: 20px 18px 22px;
  }
}

@media (min-width: 980px) {
  .page-faq {
    padding-bottom: 96px;
  }

  .page-faq .faq-hero {
    margin: 10px 0 46px;
    padding: 52px 48px 44px;
  }

  .page-faq .faq-hero h1 {
    font-size: 44px;
    max-width: 18em;
  }

  .page-faq .faq-jump {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0 20px;
    max-width: 100%;
  }

  .page-faq .faq-jump a {
    flex-wrap: wrap;
    gap: 4px;
  }

  .page-faq .faq-jump a em {
    margin-left: 0;
    flex-basis: 100%;
  }

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: var(--faq-gap);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 92px;
    max-height: calc(100vh - 116px);
    overflow-y: auto;
  }

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

  .page-faq .faq-group__title {
    font-size: 28px;
  }

  .page-faq .q-card__sum {
    padding: 16px 20px;
    font-size: 16px;
  }

  .page-faq .q-card__body {
    padding: 4px 22px 24px;
  }

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

@media (min-width: 1280px) {
  .page-faq .q-card__body {
    padding-right: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .q-card,
  .page-faq .q-card__sum,
  .page-faq .q-card__chev,
  .page-faq .q-card__no,
  .page-faq .faq-jump a,
  .page-faq .faq-index__link {
    transition: none;
  }
}
<<<END>>>