.page-faq {
  --faq-cut: 16px;
  --faq-step-line: rgba(159, 176, 199, 0.22);
  background: var(--ink-900);
  color: var(--snow);
}

/* 面包屑 */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding-top: 22px;
  font-size: var(--fs-12);
  letter-spacing: 0.03em;
  color: var(--mist);
}
.page-faq .breadcrumb-home {
  color: var(--mist);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.page-faq .breadcrumb-home:hover,
.page-faq .breadcrumb-home:focus-visible {
  color: var(--gold);
}
.page-faq .breadcrumb-sep {
  color: var(--line-mid);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  padding-top: 30px;
  padding-bottom: 26px;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 0;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--blue-500) 0 20%,
    var(--snow) 20% 40%,
    var(--red-500) 40% 60%,
    var(--green-500) 60% 80%,
    var(--yellow-400) 80% 100%
  );
  opacity: 0.72;
}
.page-faq .faq-hero-kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}
.page-faq .faq-hero-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 30px;
  line-height: 1.2;
  font-weight: 900;
  color: var(--snow);
  max-width: 20ch;
}
.page-faq .faq-hero-lead {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: var(--mist);
}
.page-faq .faq-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* 主体栅格 */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  padding-top: 34px;
  padding-bottom: 60px;
}

/* 目录 */
.page-faq .faq-toc {
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  padding: 18px 16px 20px;
  clip-path: polygon(
    var(--faq-cut) 0,
    100% 0,
    100% calc(100% - var(--faq-cut)),
    calc(100% - var(--faq-cut)) 100%,
    0 100%,
    0 var(--faq-cut)
  );
}
.page-faq .faq-toc-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}
.page-faq .faq-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}
.page-faq .faq-toc-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 8px;
  border-left: 2px solid transparent;
  color: var(--mist);
  text-decoration: none;
  font-size: var(--fs-14);
  line-height: 1.5;
  transition:
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}
.page-faq .faq-toc-link:hover,
.page-faq .faq-toc-link:focus-visible {
  color: var(--snow);
  border-left-color: var(--yellow-400);
  background: rgba(242, 178, 51, 0.07);
}
.page-faq .faq-toc-link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}
.page-faq .faq-toc-num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--yellow-400);
  flex-shrink: 0;
}
.page-faq .faq-toc-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: 16px;
}

/* 章节 */
.page-faq .faq-body {
  display: grid;
  gap: 52px;
  min-width: 0;
}
.page-faq .faq-chapter {
  min-width: 0;
  scroll-margin-top: 90px;
}
.page-faq .faq-chapter-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding-bottom: 18px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line-soft);
}
.page-faq .faq-chapter-num {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 900;
  line-height: 0.86;
  color: var(--yellow-400);
  flex-shrink: 0;
}
.page-faq .faq-chapter-headtext {
  min-width: 0;
}
.page-faq .faq-chapter-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 21px;
  line-height: 1.32;
  font-weight: 900;
  color: var(--snow);
}
.page-faq .faq-chapter-lead {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--mist);
  max-width: 62ch;
}

/* 步骤 */
.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
}
.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--faq-step-line);
}
.page-faq .faq-step:last-child {
  border-bottom: none;
}
.page-faq .faq-step-num {
  align-self: start;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--yellow-400);
  background: rgba(242, 178, 51, 0.1);
  border: 1px solid rgba(242, 178, 51, 0.32);
  white-space: nowrap;
}
.page-faq .faq-step-body {
  min-width: 0;
}
.page-faq .faq-step-title {
  margin: 0 0 6px;
  font-size: var(--fs-16);
  line-height: 1.5;
  font-weight: 700;
  color: var(--snow);
}
.page-faq .faq-step-text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--mist);
}

/* 提示条与说明面板 */
.page-faq .faq-callout {
  margin: 20px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--green-500);
  background: rgba(14, 59, 58, 0.55);
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--snow);
}
.page-faq .faq-inline-link {
  color: var(--blue-500);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--gold);
}
.page-faq .faq-inline-link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-faq .faq-note {
  margin-top: 24px;
  padding: 18px 20px;
  background: var(--teal-900);
  border: 1px solid rgba(232, 199, 123, 0.28);
}
.page-faq .faq-note-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: var(--fs-16);
  font-weight: 900;
  color: var(--gold);
}
.page-faq .faq-note-text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--snow);
}

/* 筛选标签组 */
.page-faq .faq-chipgroup {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 0 18px;
  margin-bottom: 4px;
  border-top: 1px solid var(--line-soft);
}

/* 图片 */
.page-faq .faq-figure {
  margin: 24px 0 0;
  border: 1px solid var(--line-soft);
  background: var(--ink-800);
  overflow: hidden;
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--mist);
}

/* 通知三类 */
.page-faq .faq-notice-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
  margin-bottom: 4px;
}
.page-faq .faq-notice-item {
  padding: 16px 18px;
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  border-top: 3px solid var(--blue-500);
  clip-path: polygon(
    0 0,
    100% 0,
    100% calc(100% - 12px),
    calc(100% - 12px) 100%,
    0 100%
  );
}
.page-faq .faq-notice-item:nth-child(2) {
  border-top-color: var(--green-500);
}
.page-faq .faq-notice-item:nth-child(3) {
  border-top-color: var(--wine-700);
}
.page-faq .faq-notice-tag {
  display: inline-block;
  margin-bottom: 10px;
}
.page-faq .faq-notice-title {
  margin: 0 0 6px;
  font-size: var(--fs-16);
  font-weight: 700;
  line-height: 1.5;
  color: var(--snow);
}
.page-faq .faq-notice-text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--mist);
}

/* 折叠问答 */
.page-faq .faq-accordion {
  display: grid;
  gap: 8px;
}
.page-faq .faq-detail {
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  transition: border-color var(--dur) var(--ease);
}
.page-faq .faq-detail[open] {
  border-color: var(--line-gold);
}
.page-faq .faq-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  font-size: var(--fs-14);
  font-weight: 700;
  line-height: 1.6;
  color: var(--snow);
  cursor: pointer;
  list-style: none;
}
.page-faq .faq-summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-summary:hover {
  color: var(--gold);
}
.page-faq .faq-summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}
.page-faq .faq-summary-icon {
  flex-shrink: 0;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--yellow-400);
  border-bottom: 2px solid var(--yellow-400);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
}
.page-faq .faq-detail[open] .faq-summary-icon {
  transform: rotate(-135deg);
}
.page-faq .faq-detail-body {
  padding: 0 16px 16px;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--mist);
}
.page-faq .faq-detail-body p {
  margin: 0;
}

/* 底部求助 */
.page-faq .faq-help {
  padding-top: 44px;
  padding-bottom: 52px;
  border-top: 1px solid var(--line-soft);
}
.page-faq .faq-help-inner {
  display: grid;
  gap: 20px;
}
.page-faq .faq-help-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1.3;
  font-weight: 900;
  color: var(--snow);
}
.page-faq .faq-help-text {
  margin: 0;
  max-width: 64ch;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
}
.page-faq .faq-mono-strong {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  color: var(--gold);
  word-break: break-all;
}
.page-faq .faq-help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 平板及以上 */
@media (min-width: 640px) {
  .page-faq .faq-hero-title {
    font-size: 38px;
  }
  .page-faq .faq-chapter-title {
    font-size: 24px;
  }
  .page-faq .faq-chapter-num {
    font-size: 52px;
  }
  .page-faq .faq-notice-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-help-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
  .page-faq .faq-help-actions {
    justify-content: flex-end;
  }
}

/* 桌面：左侧固定目录 + 右侧长卷 */
@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding-top: 44px;
    padding-bottom: 34px;
  }
  .page-faq .faq-hero::after {
    left: 0;
    right: 0;
  }
  .page-faq .faq-hero-title {
    font-size: 50px;
    max-width: 22ch;
  }
  .page-faq .faq-layout {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 52px;
    padding-top: 44px;
    padding-bottom: 84px;
    align-items: start;
  }
  .page-faq .faq-toc {
    position: sticky;
    top: 92px;
    padding: 22px 18px 24px;
  }
  .page-faq .faq-body {
    gap: 64px;
  }
  .page-faq .faq-chapter-num {
    font-size: 64px;
  }
  .page-faq .faq-chapter-title {
    font-size: 27px;
  }
  .page-faq .faq-chapter-lead {
    font-size: var(--fs-16);
  }
  .page-faq .faq-step {
    gap: 18px;
    padding: 18px 0;
  }
  .page-faq .faq-step-title {
    font-size: var(--fs-20);
  }
  .page-faq .faq-step-text {
    font-size: var(--fs-16);
  }
  .page-faq .faq-help {
    padding-top: 56px;
    padding-bottom: 64px;
  }
  .page-faq .faq-help-title {
    font-size: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-toc-link,
  .page-faq .faq-summary-icon,
  .page-faq .faq-detail,
  .page-faq .breadcrumb-home {
    transition: none;
  }
}

.page-faq {
  --faq-cut: 16px;
  --faq-step-line: rgba(159, 176, 199, 0.22);
  background: var(--ink-900);
  color: var(--snow);
}

/* 面包屑 */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding-top: 22px;
  font-size: var(--fs-12);
  letter-spacing: 0.03em;
  color: var(--mist);
}
.page-faq .breadcrumb-home {
  color: var(--mist);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.page-faq .breadcrumb-home:hover,
.page-faq .breadcrumb-home:focus-visible {
  color: var(--gold);
}
.page-faq .breadcrumb-sep {
  color: var(--line-mid);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  padding-top: 30px;
  padding-bottom: 26px;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 0;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--blue-500) 0 20%,
    var(--snow) 20% 40%,
    var(--red-500) 40% 60%,
    var(--green-500) 60% 80%,
    var(--yellow-400) 80% 100%
  );
  opacity: 0.72;
}
.page-faq .faq-hero-kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}
.page-faq .faq-hero-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 30px;
  line-height: 1.2;
  font-weight: 900;
  color: var(--snow);
  max-width: 20ch;
}
.page-faq .faq-hero-lead {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: var(--mist);
}
.page-faq .faq-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* 主体栅格 */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  padding-top: 34px;
  padding-bottom: 60px;
}

/* 目录 */
.page-faq .faq-toc {
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  padding: 18px 16px 20px;
  clip-path: polygon(
    var(--faq-cut) 0,
    100% 0,
    100% calc(100% - var(--faq-cut)),
    calc(100% - var(--faq-cut)) 100%,
    0 100%,
    0 var(--faq-cut)
  );
}
.page-faq .faq-toc-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}
.page-faq .faq-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}
.page-faq .faq-toc-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 8px;
  border-left: 2px solid transparent;
  color: var(--mist);
  text-decoration: none;
  font-size: var(--fs-14);
  line-height: 1.5;
  transition:
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}
.page-faq .faq-toc-link:hover,
.page-faq .faq-toc-link:focus-visible {
  color: var(--snow);
  border-left-color: var(--yellow-400);
  background: rgba(242, 178, 51, 0.07);
}
.page-faq .faq-toc-link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}
.page-faq .faq-toc-num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--yellow-400);
  flex-shrink: 0;
}
.page-faq .faq-toc-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: 16px;
}

/* 章节 */
.page-faq .faq-body {
  display: grid;
  gap: 52px;
  min-width: 0;
}
.page-faq .faq-chapter {
  min-width: 0;
  scroll-margin-top: 90px;
}
.page-faq .faq-chapter-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding-bottom: 18px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line-soft);
}
.page-faq .faq-chapter-num {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 900;
  line-height: 0.86;
  color: var(--yellow-400);
  flex-shrink: 0;
}
.page-faq .faq-chapter-headtext {
  min-width: 0;
}
.page-faq .faq-chapter-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 21px;
  line-height: 1.32;
  font-weight: 900;
  color: var(--snow);
}
.page-faq .faq-chapter-lead {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--mist);
  max-width: 62ch;
}

/* 步骤 */
.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
}
.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--faq-step-line);
}
.page-faq .faq-step:last-child {
  border-bottom: none;
}
.page-faq .faq-step-num {
  align-self: start;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--yellow-400);
  background: rgba(242, 178, 51, 0.1);
  border: 1px solid rgba(242, 178, 51, 0.32);
  white-space: nowrap;
}
.page-faq .faq-step-body {
  min-width: 0;
}
.page-faq .faq-step-title {
  margin: 0 0 6px;
  font-size: var(--fs-16);
  line-height: 1.5;
  font-weight: 700;
  color: var(--snow);
}
.page-faq .faq-step-text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--mist);
}

/* 提示条与说明面板 */
.page-faq .faq-callout {
  margin: 20px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--green-500);
  background: rgba(14, 59, 58, 0.55);
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--snow);
}
.page-faq .faq-inline-link {
  color: var(--blue-500);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--gold);
}
.page-faq .faq-inline-link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-faq .faq-note {
  margin-top: 24px;
  padding: 18px 20px;
  background: var(--teal-900);
  border: 1px solid rgba(232, 199, 123, 0.28);
}
.page-faq .faq-note-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: var(--fs-16);
  font-weight: 900;
  color: var(--gold);
}
.page-faq .faq-note-text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--snow);
}

/* 筛选标签组 */
.page-faq .faq-chipgroup {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 0 18px;
  margin-bottom: 4px;
  border-top: 1px solid var(--line-soft);
}

/* 图片 */
.page-faq .faq-figure {
  margin: 24px 0 0;
  border: 1px solid var(--line-soft);
  background: var(--ink-800);
  overflow: hidden;
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--mist);
}

/* 通知三类 */
.page-faq .faq-notice-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
  margin-bottom: 4px;
}
.page-faq .faq-notice-item {
  padding: 16px 18px;
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  border-top: 3px solid var(--blue-500);
  clip-path: polygon(
    0 0,
    100% 0,
    100% calc(100% - 12px),
    calc(100% - 12px) 100%,
    0 100%
  );
}
.page-faq .faq-notice-item:nth-child(2) {
  border-top-color: var(--green-500);
}
.page-faq .faq-notice-item:nth-child(3) {
  border-top-color: var(--wine-700);
}
.page-faq .faq-notice-tag {
  display: inline-block;
  margin-bottom: 10px;
}
.page-faq .faq-notice-title {
  margin: 0 0 6px;
  font-size: var(--fs-16);
  font-weight: 700;
  line-height: 1.5;
  color: var(--snow);
}
.page-faq .faq-notice-text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--mist);
}

/* 折叠问答 */
.page-faq .faq-accordion {
  display: grid;
  gap: 8px;
}
.page-faq .faq-detail {
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  transition: border-color var(--dur) var(--ease);
}
.page-faq .faq-detail[open] {
  border-color: var(--line-gold);
}
.page-faq .faq-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  font-size: var(--fs-14);
  font-weight: 700;
  line-height: 1.6;
  color: var(--snow);
  cursor: pointer;
  list-style: none;
}
.page-faq .faq-summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-summary:hover {
  color: var(--gold);
}
.page-faq .faq-summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}
.page-faq .faq-summary-icon {
  flex-shrink: 0;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--yellow-400);
  border-bottom: 2px solid var(--yellow-400);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
}
.page-faq .faq-detail[open] .faq-summary-icon {
  transform: rotate(-135deg);
}
.page-faq .faq-detail-body {
  padding: 0 16px 16px;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--mist);
}
.page-faq .faq-detail-body p {
  margin: 0;
}

/* 底部求助 */
.page-faq .faq-help {
  padding-top: 44px;
  padding-bottom: 52px;
  border-top: 1px solid var(--line-soft);
}
.page-faq .faq-help-inner {
  display: grid;
  gap: 20px;
}
.page-faq .faq-help-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1.3;
  font-weight: 900;
  color: var(--snow);
}
.page-faq .faq-help-text {
  margin: 0;
  max-width: 64ch;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
}
.page-faq .faq-mono-strong {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  color: var(--gold);
  word-break: break-all;
}
.page-faq .faq-help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 平板及以上 */
@media (min-width: 640px) {
  .page-faq .faq-hero-title {
    font-size: 38px;
  }
  .page-faq .faq-chapter-title {
    font-size: 24px;
  }
  .page-faq .faq-chapter-num {
    font-size: 52px;
  }
  .page-faq .faq-notice-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-help-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
  .page-faq .faq-help-actions {
    justify-content: flex-end;
  }
}

/* 桌面：左侧固定目录 + 右侧长卷 */
@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding-top: 44px;
    padding-bottom: 34px;
  }
  .page-faq .faq-hero::after {
    left: 0;
    right: 0;
  }
  .page-faq .faq-hero-title {
    font-size: 50px;
    max-width: 22ch;
  }
  .page-faq .faq-layout {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 52px;
    padding-top: 44px;
    padding-bottom: 84px;
    align-items: start;
  }
  .page-faq .faq-toc {
    position: sticky;
    top: 92px;
    padding: 22px 18px 24px;
  }
  .page-faq .faq-body {
    gap: 64px;
  }
  .page-faq .faq-chapter-num {
    font-size: 64px;
  }
  .page-faq .faq-chapter-title {
    font-size: 27px;
  }
  .page-faq .faq-chapter-lead {
    font-size: var(--fs-16);
  }
  .page-faq .faq-step {
    gap: 18px;
    padding: 18px 0;
  }
  .page-faq .faq-step-title {
    font-size: var(--fs-20);
  }
  .page-faq .faq-step-text {
    font-size: var(--fs-16);
  }
  .page-faq .faq-help {
    padding-top: 56px;
    padding-bottom: 64px;
  }
  .page-faq .faq-help-title {
    font-size: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-toc-link,
  .page-faq .faq-summary-icon,
  .page-faq .faq-detail,
  .page-faq .breadcrumb-home {
    transition: none;
  }
}