.page-faq {
  --faq-rule: 1px solid var(--line);
  padding-bottom: 88px;
}

.page-faq .faq-shell {
  padding-top: 28px;
}

/* 面包屑 */
.page-faq .faq-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  font-family: var(--font-latin);
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--moss);
}
.page-faq .faq-crumb a {
  color: var(--moss);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-faq .faq-crumb a:hover {
  color: var(--maple-deep);
  border-bottom-color: var(--amber);
}
.page-faq .faq-crumb span[aria-hidden] {
  color: var(--amber);
}

/* 首屏 */
.page-faq .faq-hero {
  border-top: 2px solid var(--pine);
  padding-top: 26px;
  margin-bottom: 60px;
}
.page-faq .faq-hero h1 {
  margin: 12px 0 18px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 34px;
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--ink);
  max-width: 15em;
}
.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 34em;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  color: var(--moss);
}
.page-faq .faq-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  list-style: none;
  margin: 26px 0 0;
  padding: 16px 0 0;
  border-top: var(--faq-rule);
  font-size: 13px;
  color: var(--moss);
}
.page-faq .faq-hero-meta .k {
  margin-right: 5px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 14px;
  color: var(--pine);
  font-variant-numeric: tabular-nums;
}

/* 章节标题 */
.page-faq .faq-sec-head {
  max-width: 44em;
  margin-bottom: 28px;
}
.page-faq .faq-sec-head h2 {
  margin: 10px 0 12px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 24px;
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-faq .faq-sec-head p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--moss);
  max-width: 34em;
}
.page-faq .faq-sec-head--tight {
  margin-bottom: 22px;
}
.page-faq .faq-sec-head--tight h2 {
  font-size: 20px;
}

/* 五步 */
.page-faq .faq-steps-figure {
  margin: 0 0 30px;
  background: var(--mist);
  border: 1px solid var(--line);
}
.page-faq .faq-steps-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-faq .faq-step {
  position: relative;
  border-top: 1px dashed var(--line);
  padding-top: 14px;
}
.page-faq .faq-step details {
  background: transparent;
}
.page-faq .faq-step summary {
  display: block;
  list-style: none;
  cursor: pointer;
  padding: 0 0 8px;
}
.page-faq .faq-step summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-step summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}
.page-faq .faq-step-index {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}
.page-faq .faq-step-name {
  display: block;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.3;
  color: var(--ink);
}
.page-faq .faq-step[open] .faq-step-name {
  color: var(--maple-deep);
}
.page-faq .faq-step-body {
  margin: 4px 0 10px;
  padding-left: 12px;
  border-left: 2px solid var(--amber);
}
.page-faq .faq-step-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--moss);
}
.page-faq .faq-step-body a,
.page-faq .faq-drawer-points a,
.page-faq .faq-dark-note a {
  color: var(--maple-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--amber);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.page-faq .faq-step-body a:hover,
.page-faq .faq-drawer-points a:hover {
  border-bottom-color: var(--maple-deep);
}

/* 中段 4 + 8 */
.page-faq .faq-mid {
  display: grid;
  gap: 44px;
  margin-top: 64px;
}

.page-faq .faq-tips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}
.page-faq .faq-tip {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 10px;
}
.page-faq .faq-tip-num {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
  color: var(--maple);
  font-variant-numeric: tabular-nums;
}
.page-faq .faq-tip h3 {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.3;
  color: var(--ink);
}
.page-faq .faq-tip p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--moss);
}

/* 检索示意图 */
.page-faq .faq-search-demo {
  margin-top: 26px;
  padding: 16px;
  background: var(--mist);
  border: 1px solid var(--line);
  border-radius: 2px;
}
.page-faq .faq-search-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 12px;
  background: var(--paper);
  border: 1px solid var(--moss);
  border-radius: 2px;
}
.page-faq .faq-search-caret {
  width: 1px;
  height: 16px;
  background: var(--maple);
  flex: 0 0 auto;
}
.page-faq .faq-search-text {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--ink);
}
.page-faq .faq-search-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.page-faq .faq-search-tag {
  padding: 5px 10px;
  font-size: 12px;
  line-height: 1.4;
  color: var(--moss);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 2px;
}
.page-faq .faq-search-tag.is-on {
  color: var(--maple-deep);
  background: var(--blush);
  border-color: var(--maple);
}
.page-faq .faq-search-hint {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--moss);
}

/* 收藏抽屉 */
.page-faq .faq-drawer-card {
  padding: 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-micro);
}
.page-faq .faq-drawer-title {
  margin: 10px 0 12px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.25;
  color: var(--ink);
}
.page-faq .faq-drawer-lede {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--moss);
  max-width: 32em;
}
.page-faq .faq-drawer-figure {
  margin: 0 0 22px;
  background: var(--mist);
  border: 1px solid var(--line);
}
.page-faq .faq-drawer-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-drawer-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  border-top: 1px dashed var(--line);
  padding-top: 18px;
}
.page-faq .faq-drawer-points h3 {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 15px;
  color: var(--maple-deep);
}
.page-faq .faq-drawer-points p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--moss);
}

/* 手机端与反馈 */
.page-faq .faq-support {
  margin-top: 64px;
}
.page-faq .faq-support-title {
  margin: 0 0 24px;
  padding-bottom: 12px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.25;
  color: var(--ink);
  border-bottom: var(--faq-rule);
}
.page-faq .faq-support-grid {
  display: grid;
  gap: 20px;
}
.page-faq .faq-panel {
  padding: 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-micro);
}
.page-faq .faq-panel h3 {
  margin: 10px 0 14px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.3;
  color: var(--ink);
}
.page-faq .faq-panel--dark {
  background: var(--pine);
  border-color: var(--pine-deep);
  color: var(--paper);
}
.page-faq .faq-panel--dark h3 {
  color: var(--paper);
}
.page-faq .faq-panel--dark .eyebrow {
  color: var(--amber);
}
.page-faq .faq-panel--dark .faq-bullets li {
  color: rgba(247, 243, 234, .86);
  border-bottom-color: rgba(247, 243, 234, .18);
}
.page-faq .faq-dark-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(247, 243, 234, .78);
}
.page-faq .faq-dark-note a {
  color: var(--paper);
  border-bottom-color: var(--amber);
}
.page-faq .faq-bullets {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-faq .faq-bullets li {
  position: relative;
  padding: 0 0 12px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--moss);
  border-bottom: 1px dashed var(--line);
}
.page-faq .faq-bullets li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.page-faq .faq-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--maple);
}

/* 分类问答 */
.page-faq .faq-qa {
  margin-top: 64px;
}
.page-faq .faq-qa-groups {
  display: grid;
  gap: 32px;
}
.page-faq .faq-qa-group-title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 16px;
  color: var(--pine);
}
.page-faq .faq-qa-group-title span {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--amber);
}
.page-faq .faq-qa-item {
  margin-bottom: 8px;
  background: var(--paper);
  border: 1px solid var(--line);
}
.page-faq .faq-qa-item summary {
  position: relative;
  display: block;
  list-style: none;
  cursor: pointer;
  min-height: 44px;
  padding: 13px 42px 13px 14px;
  background: var(--mist);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink);
  transition: background .2s var(--ease), color .2s var(--ease);
}
.page-faq .faq-qa-item summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-qa-item summary:hover {
  background: #D2E1D8;
}
.page-faq .faq-qa-item summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -2px;
}
.page-faq .faq-qa-item summary::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--maple);
}
.page-faq .faq-qa-item[open] summary {
  background: var(--paper);
  color: var(--maple-deep);
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-qa-item[open] summary::after {
  content: "−";
}
.page-faq .faq-qa-answer {
  padding: 14px;
  background: var(--paper);
}
.page-faq .faq-qa-answer p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--moss);
}

/* 平板及以上 */
@media (min-width: 700px) {
  .page-faq .faq-hero h1 {
    font-size: 44px;
  }
  .page-faq .faq-sec-head h2 {
    font-size: 28px;
  }
  .page-faq .faq-steps-figure {
    margin-bottom: 36px;
  }
  .page-faq .faq-support-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .page-faq .faq-qa-groups {
    grid-template-columns: 1fr 1fr;
    gap: 32px 36px;
  }
}

/* 桌面：展览式错落 */
@media (min-width: 1000px) {
  .page-faq .faq-shell {
    padding-top: 40px;
  }
  .page-faq .faq-hero {
    margin-bottom: 76px;
  }
  .page-faq .faq-hero h1 {
    font-size: 52px;
    max-width: 11em;
  }
  .page-faq .faq-hero .lede {
    font-size: 16px;
  }

  .page-faq .faq-step-list {
    grid-template-columns: 1fr 1.14fr .92fr 1.22fr 1.04fr;
    align-items: start;
    gap: 18px;
  }
  .page-faq .faq-step {
    padding-top: 16px;
  }
  .page-faq .faq-step:nth-child(2) {
    margin-top: 10px;
  }
  .page-faq .faq-step:nth-child(4) {
    margin-top: 18px;
  }
  .page-faq .faq-step-name {
    font-size: 18px;
  }

  .page-faq .faq-mid {
    grid-template-columns: 4fr 8fr;
    gap: 48px;
    align-items: start;
    margin-top: 88px;
  }
  .page-faq .faq-drawer-card {
    padding: 32px;
  }
  .page-faq .faq-drawer-title {
    font-size: 26px;
  }

  .page-faq .faq-support {
    margin-top: 88px;
  }
  .page-faq .faq-support-grid {
    grid-template-columns: 5fr 7fr;
    gap: 28px;
  }
  .page-faq .faq-panel {
    padding: 28px;
  }

  .page-faq .faq-qa {
    margin-top: 88px;
  }
  .page-faq .faq-qa-groups {
    gap: 40px 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-crumb a,
  .page-faq .faq-step summary,
  .page-faq .faq-qa-item summary,
  .page-faq .faq-dark-note a {
    transition: none;
  }
}
<<<END>>>