.page-faq {
  --faq-line: rgba(28, 48, 73, 0.16);
  --faq-card: #FFFCF5;
  --faq-body: #2C3B4C;
  background: var(--paper);
  color: var(--ink-900);
  font-family: var(--font-body);
  padding-bottom: 64px;
}

.page-faq .faq-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* 面包屑 */
.page-faq .breadcrumb {
  padding: 20px 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate-500);
}
.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .breadcrumb a {
  color: var(--ink-800);
  text-decoration: none;
}
.page-faq .breadcrumb a:hover {
  color: var(--amber);
}
.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--sand);
}

/* 检索台首屏 */
.page-faq .faq-desk {
  display: grid;
  gap: 26px;
  padding: 26px 0 40px;
  border-top: 1px solid var(--sand);
  border-bottom: 1px solid var(--sand);
}
.page-faq .faq-drawer {
  min-width: 0;
}
.page-faq .faq-drawer__cap {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--amber);
}
.page-faq .faq-drawer__list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-drawer__list li {
  border-top: 1px solid var(--faq-line);
}
.page-faq .faq-drawer__list li:last-child {
  border-bottom: 1px solid var(--faq-line);
}
.page-faq .faq-drawer__list a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 2px;
  color: var(--ink-900);
  font-size: 15px;
  text-decoration: none;
  transition: color 180ms ease, padding-left 180ms ease;
}
.page-faq .faq-drawer__list a:hover,
.page-faq .faq-drawer__list a:focus-visible {
  color: var(--rust);
  padding-left: 8px;
}
.page-faq .faq-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  font-style: normal;
  color: var(--slate-500);
}
.page-faq .faq-drawer__foot {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate-500);
}

.page-faq .faq-desk__core {
  min-width: 0;
}
.page-faq .display-title {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.6vw, 50px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}
.page-faq .lede {
  max-width: 46ch;
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--faq-body);
}

.page-faq .faq-search {
  position: relative;
  padding: 18px 16px 20px;
  background: var(--faq-card);
  border: 1px solid var(--sand);
  box-shadow: 6px 6px 0 -1px var(--paper-warm), 6px 6px 0 0 var(--sand), var(--shadow-plate);
}
.page-faq .faq-search__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--slate-500);
}
.page-faq .faq-search__field {
  margin: 0;
  padding: 12px 14px;
  border: 1px solid var(--ink-800);
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink-800);
}
.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-chips a {
  display: inline-block;
  padding: 7px 11px;
  border: 1px solid var(--sand);
  background: var(--paper-warm);
  font-size: 13px;
  line-height: 1.4;
  color: var(--ink-800);
  text-decoration: none;
  transition: border-color 160ms ease, color 160ms ease, background 160ms ease;
}
.page-faq .faq-chips a:hover,
.page-faq .faq-chips a:focus-visible {
  border-color: var(--amber);
  background: #ffffff;
  color: var(--rust);
}

.page-faq .faq-desk__figure {
  margin: 28px 0 0;
}
.page-faq .image-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 右侧旁注 */
.page-faq .faq-aside {
  padding: 16px 0 0;
  border-top: 2px solid var(--amber);
  font-size: 14px;
  line-height: 1.8;
  color: var(--faq-body);
}
.page-faq .faq-aside__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--ink-900);
}
.page-faq .faq-aside p {
  margin: 0 0 12px;
}
.page-faq .faq-aside__mail {
  font-size: 12.5px;
  color: var(--ink-800);
  word-break: break-all;
}
.page-faq .faq-aside .copy-btn {
  margin-bottom: 12px;
}
.page-faq .faq-aside__hint {
  font-size: 13px;
  color: var(--slate-500);
}
.page-faq .faq-aside__hint a {
  color: var(--rust);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 问答分段 */
.page-faq .faq-section {
  padding-top: 44px;
}
.page-faq .faq-section + .faq-section {
  margin-top: 40px;
  border-top: 1px dashed var(--sand);
}
.page-faq .faq-section__head {
  display: grid;
  gap: 8px;
  max-width: 64ch;
  margin: 0 0 14px;
}
.page-faq .faq-section__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--amber);
}
.page-faq .faq-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 3.6vw, 32px);
  line-height: 1.36;
  color: var(--ink-900);
}
.page-faq .faq-section__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-body);
}

.page-faq .faq-figure {
  margin: 4px 0 26px;
}
@media (min-width: 860px) {
  .page-faq .faq-figure {
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* 折叠问答 */
.page-faq .qa {
  border-top: 1px solid var(--faq-line);
}
.page-faq .qa:last-of-type {
  border-bottom: 1px solid var(--faq-line);
}
.page-faq .qa__summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 18px 0;
  list-style: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink-900);
  transition: color 160ms ease;
}
.page-faq .qa__summary::-webkit-details-marker {
  display: none;
}
.page-faq .qa__summary::before {
  content: "＋";
  flex: none;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
  color: var(--amber);
  transition: color 160ms ease;
}
.page-faq .qa[open] > .qa__summary::before {
  content: "－";
  color: var(--rust);
}
.page-faq .qa__summary:hover {
  color: var(--rust);
}
.page-faq .qa__summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 4px;
}

.page-faq .qa__body {
  padding: 0 0 22px 26px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-body);
}
.page-faq .qa__body p {
  margin: 0 0 12px;
}
.page-faq .qa__body p:last-child {
  margin-bottom: 0;
}
.page-faq .qa__body strong {
  font-weight: 500;
  color: var(--ink-900);
}
.page-faq .qa__body a {
  color: var(--rust);
}

.page-faq .qa-steps {
  margin: 12px 0 14px;
  padding: 0;
  list-style: none;
  counter-reset: qstep;
}
.page-faq .qa-steps li {
  position: relative;
  counter-increment: qstep;
  margin-bottom: 9px;
  padding-left: 30px;
  line-height: 1.75;
}
.page-faq .qa-steps li:last-child {
  margin-bottom: 0;
}
.page-faq .qa-steps li::before {
  content: counter(qstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-faq .qa-note {
  margin: 14px 0 0;
  padding: 11px 14px;
  border-left: 3px solid var(--sand);
  background: var(--paper-warm);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-800);
}

/* 收束区块 */
.page-faq .faq-next {
  margin-top: 52px;
  padding: 30px 22px 34px;
  background: var(--ink-900);
  border-left: 4px solid var(--amber);
  color: var(--paper);
}
.page-faq .faq-next h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.35;
  color: var(--paper);
}
.page-faq .faq-next p {
  max-width: 58ch;
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sand);
}
.page-faq .faq-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-faq .faq-next .btn--ghost {
  color: var(--paper);
  border-color: rgba(247, 241, 230, 0.42);
}
.page-faq .faq-next .btn--ghost:hover,
.page-faq .faq-next .btn--ghost:focus-visible {
  border-color: var(--amber-light);
  color: var(--amber-light);
}

/* 平板与桌面 */
@media (min-width: 700px) {
  .page-faq .qa__body {
    padding-left: 30px;
  }
  .page-faq .faq-next {
    padding: 38px 34px 42px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-desk {
    grid-template-columns: 196px minmax(0, 1fr) 244px;
    gap: 44px;
    align-items: start;
    padding: 40px 0 54px;
  }
  .page-faq .faq-aside {
    position: sticky;
    top: calc(var(--frame-h) + 20px);
    padding: 0 0 0 18px;
    border-top: none;
    border-left: 2px solid var(--amber);
  }
  .page-faq .lede {
    font-size: 17px;
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-desk {
    grid-template-columns: 208px minmax(0, 1fr) 258px;
    gap: 52px;
  }
  .page-faq .qa__summary {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-drawer__list a,
  .page-faq .faq-chips a,
  .page-faq .qa__summary,
  .page-faq .qa__summary::before {
    transition: none;
  }
}
<<<END>>>