.page-faq {
  --faq-muted: #4E5B56;
  --faq-paper-line: #C9C3B4;
  background: var(--ink);
  color: var(--paper);
  padding-bottom: 56px;
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */
.page-faq .breadcrumb {
  padding-top: 20px;
  margin-bottom: 4px;
}

.page-faq__hero {
  border-bottom: 1px solid var(--line);
  padding: 24px 0 32px;
}

.page-faq__hero-grid {
  display: grid;
  gap: 24px;
}

.page-faq__hero-main h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 7.4vw, 58px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 10px 0 16px;
  max-width: 18em;
}

.page-faq__lede {
  font-size: 16px;
  line-height: 1.75;
  color: var(--moss);
  max-width: 38em;
}

.page-faq__hero-note {
  border: 1px solid var(--line);
  background: var(--ink-2);
  padding: 16px;
}

.page-faq__hero-note-title {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber);
  margin-bottom: 10px;
}

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

.page-faq__hero-list li + li {
  border-top: 1px solid var(--line);
}

.page-faq__hero-list a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 10px 0;
  color: var(--paper);
  text-decoration: none;
  font-size: 15px;
  transition: color var(--step-fast) var(--ease), padding-left var(--step-fast) var(--ease);
}

.page-faq__hero-list a:hover,
.page-faq__hero-list a:focus-visible {
  color: var(--lime);
  padding-left: 4px;
}

.page-faq__hero-list .mono {
  color: var(--lime);
  font-size: 12px;
}

/* ---------- 三步自查 ---------- */
.page-faq__steps {
  padding: 36px 0 8px;
}

.page-faq__steps-head {
  display: grid;
  gap: 6px;
  margin-bottom: 22px;
}

.page-faq__steps-head h2 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-faq__steps-head p {
  font-size: 15px;
  color: var(--moss);
  line-height: 1.7;
}

.steps__wire {
  display: none;
  width: 100%;
  height: 34px;
  color: var(--line);
  margin-bottom: -18px;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.step {
  border-top: 2px solid var(--line);
  padding-top: 12px;
  transition: border-color var(--step-base) var(--ease);
}

.step:hover {
  border-top-color: var(--lime-deep);
}

.step__num {
  display: inline-block;
  background: var(--block);
  border: 1px solid var(--line);
  color: var(--lime);
  font-size: 12px;
  padding: 3px 7px;
  margin-bottom: 8px;
}

.step h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 6px;
}

.step p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--moss);
}

.step__link {
  display: inline-block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime-deep);
  padding-bottom: 1px;
}

.step__link:hover,
.step__link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 主区布局 ---------- */
.faq-layout {
  display: grid;
  gap: 24px;
  padding-top: 32px;
}

.faq-flow {
  min-width: 0;
}

.faq-group {
  border: 1px solid var(--line);
  background: var(--ink-2);
  padding: 20px 16px;
}

.faq-group__head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.faq-group__num {
  flex: 0 0 auto;
  background: var(--block);
  border: 1px solid var(--line);
  color: var(--lime);
  font-size: 12px;
  padding: 4px 8px;
}

.faq-group__head h2 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}

.faq-group__sub {
  font-size: 14px;
  line-height: 1.7;
  color: var(--moss);
}

.faq-figure {
  margin: 0 0 18px;
  border: 1px solid var(--line);
}

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

/* ---------- 问答组 ---------- */
.qa {
  min-width: 0;
}

.qa__item {
  border-top: 1px solid var(--line);
  border-left: 3px solid transparent;
  padding-left: 10px;
  transition: border-color var(--step-base) var(--ease), background-color var(--step-base) var(--ease);
}

.qa__item[open] {
  border-left-color: var(--lime);
}

.qa__q {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 13px 22px 13px 0;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  position: relative;
  list-style: none;
  transition: color var(--step-fast) var(--ease);
}

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

.qa__q::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 12px;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--lime-deep);
}

.qa__item[open] .qa__q::after {
  content: "–";
}

.qa__q:hover {
  color: var(--lime);
}

.qa__idx {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--moss);
}

.qa__a {
  padding: 0 0 14px 0;
}

.qa__a p {
  font-size: 15px;
  line-height: 1.78;
  color: var(--moss);
  max-width: 38em;
}

.qa__a p + p {
  margin-top: 8px;
}

/* ---------- 呼吸区 ---------- */
.faq-breath {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 26px 0;
}

.faq-breath .mono {
  font-size: 11px;
  color: var(--line);
  letter-spacing: 0.1em;
}

.faq-breath__line {
  flex: 1 1 auto;
  height: 1px;
  background: var(--line);
}

/* ---------- 资料组（档案冷白） ---------- */
.faq-group--paper {
  background: var(--paper);
  color: var(--paper-ink);
  border-color: var(--faq-paper-line);
}

.faq-group--paper .faq-group__num {
  background: var(--block);
  border-color: var(--block);
}

.faq-group--paper .faq-group__sub--paper {
  color: var(--faq-muted);
}

.faq-group--paper .qa__item {
  border-top-color: var(--faq-paper-line);
}

.faq-group--paper .qa__item[open] {
  border-left-color: var(--lime-deep);
}

.faq-group--paper .qa__q {
  color: var(--paper-ink);
}

.faq-group--paper .qa__q:hover {
  color: #3C4A37;
}

.faq-group--paper .qa__idx {
  color: var(--faq-muted);
}

.faq-group--paper .qa__a p {
  color: var(--faq-muted);
}

/* ---------- 客服协助 ---------- */
.faq-group--support {
  border-color: var(--amber);
}

.support-grid {
  display: grid;
  gap: 20px;
  margin-bottom: 22px;
}

.support-col__title {
  margin-bottom: 10px;
}

.support-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.support-list li {
  position: relative;
  padding: 9px 0 9px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--moss);
  border-top: 1px solid var(--line);
}

.support-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 6px;
  background: var(--clay);
}

.support-list--ok li::before {
  background: var(--lime);
}

.support-send {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.support-send__title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 12px;
}

.support-send__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.support-send__list li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.6;
  color: var(--moss);
}

.support-send__list .mono {
  color: var(--amber);
  font-size: 12px;
}

.support-send__mail {
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper);
  background: var(--block);
  border-left: 3px solid var(--amber);
  padding: 12px 14px;
  margin-bottom: 16px;
}

.support-send__mail .mono {
  color: var(--lime);
}

.support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 侧栏索引 ---------- */
.faq-index {
  border: 1px solid var(--line);
  background: var(--block);
  padding: 16px;
  align-self: start;
}

.faq-index__title {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
  margin-bottom: 12px;
}

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

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

.faq-index__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 0;
  font-size: 14px;
  color: var(--moss);
  text-decoration: none;
  transition: color var(--step-fast) var(--ease), padding-left var(--step-fast) var(--ease);
}

.faq-index__list a:hover,
.faq-index__list a:focus-visible {
  color: var(--lime);
  padding-left: 4px;
}

.faq-index__list .mono {
  font-size: 11px;
  color: var(--line);
}

.faq-index__note {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--line);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq {
    padding-bottom: 72px;
  }

  .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .faq-group {
    padding: 24px 22px;
  }

  .qa-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .faq-figure--aside {
    margin-bottom: 0;
  }

  .support-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .support-send__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 24px;
  }
}

@media (min-width: 900px) {
  .page-faq__hero {
    padding: 36px 0 44px;
  }

  .page-faq__hero-grid {
    grid-template-columns: minmax(0, 1fr) 296px;
    gap: 40px;
    align-items: end;
  }

  .page-faq__lede {
    font-size: 17px;
  }

  .steps__wire {
    display: block;
  }

  .faq-layout {
    grid-template-columns: minmax(0, 1fr) 232px;
    gap: 32px;
    padding-top: 40px;
  }

  .faq-index {
    position: sticky;
    top: 96px;
  }

  .faq-group {
    padding: 28px 26px;
  }

  .faq-group__head h2 {
    font-size: 24px;
  }

  .qa__q {
    font-size: 16px;
  }

  .faq-breath {
    padding: 34px 0;
  }
}

@media (min-width: 1200px) {
  .page-faq__hero-main h1 {
    font-size: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition: none !important;
  }
}
<<<PAGE_CSS_END>>>