.page-faq {
  --faq-line-light: rgba(28, 23, 16, .16);
  --faq-line-dark: rgba(247, 243, 233, .18);
  --faq-soft-dark: rgba(247, 243, 233, .74);
}

.page-faq .faq-head {
  max-width: 68ch;
  margin-bottom: 28px;
}

.page-faq .faq-head .dc-annot {
  display: block;
  margin-bottom: 10px;
  letter-spacing: .16em;
}

.page-faq .faq-head .dc-lede {
  margin-top: 14px;
}

/* 首屏 */
.page-faq .faq-hero {
  display: grid;
  gap: 28px;
  margin-top: 22px;
}

.page-faq .faq-hero__lead > * + * {
  margin-top: 16px;
}

.page-faq .faq-hero__lead .dc-lede {
  max-width: 58ch;
}

.page-faq .faq-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 4px;
}

.page-faq .faq-index {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--faq-line-light);
}

.page-faq .faq-index li {
  border-bottom: 1px solid var(--faq-line-light);
}

.page-faq .faq-index a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: baseline;
  padding: 14px 4px;
  color: var(--dc-brown);
  text-decoration: none;
  transition: background .2s var(--dc-ease), padding-left .2s var(--dc-ease);
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  background: var(--dc-amber-soft);
  padding-left: 12px;
}

.page-faq .faq-index .dc-num {
  color: var(--dc-amber);
  font-size: 13px;
}

.page-faq .faq-index__text {
  font-size: 15.5px;
  line-height: 1.6;
}

.page-faq .faq-index__go {
  color: var(--dc-gray);
  font-family: var(--dc-mono);
}

/* 恢复路径面板 */
.page-faq .faq-path {
  display: grid;
  gap: 28px;
  margin-top: 26px;
}

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

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--faq-line-dark);
}

.page-faq .faq-step:first-child {
  border-top: 1px solid var(--faq-line-dark);
}

.page-faq .faq-step__badge {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--dc-amber);
  background: rgba(217, 162, 43, .12);
  color: var(--dc-amber-bright);
  font-size: 13px;
}

.page-faq .faq-step__title {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .01em;
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--faq-soft-dark);
}

.page-faq .faq-figure {
  margin: 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--faq-line-dark);
  background: var(--dc-felt);
}

.page-faq .dc-section--paper .faq-figure img,
.page-faq .dc-section--porcelain .faq-figure img {
  border-color: var(--faq-line-light);
}

.page-faq .faq-side-note {
  align-self: start;
  padding: 20px;
  border: 1px solid var(--faq-line-dark);
  background: rgba(14, 36, 28, .35);
}

.page-faq .faq-side-note h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.page-faq .faq-side-note p {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--faq-soft-dark);
}

/* 设备章节 */
.page-faq .faq-split {
  display: grid;
  gap: 32px;
}

.page-faq .faq-split__aside > * + * {
  margin-top: 20px;
}

.page-faq .faq-table-note {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--dc-gray);
}

.page-faq .faq-table-note a {
  color: var(--dc-brown);
  text-decoration: underline;
  text-decoration-color: var(--dc-amber);
  text-underline-offset: 3px;
}

.page-faq .dc-table-wrap {
  overflow-x: auto;
  margin-top: 18px;
}

.page-faq .faq-tier {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 56px;
  padding: 3px 8px;
  border: 1px solid rgba(28, 23, 16, .2);
  color: var(--dc-brown);
  font-size: 12px;
  letter-spacing: .04em;
}

.page-faq .faq-tier--a { background: rgba(124, 140, 132, .44); }
.page-faq .faq-tier--b { background: rgba(124, 140, 132, .28); }
.page-faq .faq-tier--c { background: rgba(124, 140, 132, .16); }
.page-faq .faq-tier--d { background: rgba(124, 140, 132, .07); }

.page-faq .faq-issues {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-issue {
  padding: 14px 16px;
  border-left: 3px solid var(--dc-amber);
  background: var(--dc-porcelain);
}

.page-faq .faq-issue h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
}

.page-faq .faq-issue p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--dc-gray);
}

/* 记录与统计 */
.page-faq .faq-grid2 {
  display: grid;
  gap: 24px;
}

.page-faq .faq-card {
  display: flex;
  flex-direction: column;
}

.page-faq .faq-rec__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-rec__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-dot {
  width: 8px;
  height: 8px;
  margin-top: 9px;
  background: var(--dc-amber);
}

.page-faq .faq-card .dc-card__foot {
  margin-top: auto;
  padding-top: 18px;
}

/* 问答 */
.page-faq .faq-acc .dc-acc__item {
  border-top: 1px solid var(--faq-line-light);
}

.page-faq .faq-acc .dc-acc__item:last-child {
  border-bottom: 1px solid var(--faq-line-light);
}

.page-faq .faq-qwrap {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-faq .faq-question {
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 18px 4px;
  border: 0;
  background: none;
  color: var(--dc-brown);
  font: inherit;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.55;
  text-align: left;
  cursor: pointer;
}

.page-faq .faq-question .dc-num {
  color: var(--dc-amber);
  font-size: 13px;
}

.page-faq .faq-question:focus-visible {
  outline: 2px solid var(--dc-amber);
  outline-offset: 2px;
}

.page-faq .faq-answer {
  margin-left: 6px;
  padding: 0 4px 20px 22px;
  border-left: 2px solid transparent;
  transition: border-color .2s var(--dc-ease);
}

.page-faq .faq-answer p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--dc-gray);
}

.page-faq .faq-answer a {
  color: var(--dc-brown);
  text-decoration: underline;
  text-decoration-color: var(--dc-amber);
  text-underline-offset: 3px;
}

.page-faq .dc-acc__item:has(.faq-question[aria-expanded="true"]) .faq-answer {
  border-left-color: var(--dc-amber);
}

.page-faq .faq-timeline {
  list-style: none;
  margin: 18px 0 20px;
  padding: 0;
}

.page-faq .faq-timeline li {
  position: relative;
  padding: 0 0 20px 22px;
  border-left: 1px solid var(--dc-felt-line);
}

.page-faq .faq-timeline li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-faq .faq-timeline li::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 5px;
  width: 9px;
  height: 9px;
  background: var(--dc-amber);
}

.page-faq .faq-timeline h3 {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
}

.page-faq .faq-timeline p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--dc-gray);
}

/* 人工协助 */
.page-faq .faq-materials {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-material {
  padding: 20px;
  border: 1px solid var(--faq-line-dark);
  background: rgba(247, 243, 233, .04);
}

.page-faq .faq-material .dc-num {
  color: var(--dc-amber);
  font-size: 13px;
}

.page-faq .faq-material h3 {
  margin: 10px 0 6px;
  font-size: 16px;
  font-weight: 700;
}

.page-faq .faq-material p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--faq-soft-dark);
}

.page-faq .faq-help {
  margin-top: 28px;
  display: grid;
  gap: 16px;
}

.page-faq .faq-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 26px;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--dc-amber-bright);
}

.page-faq .faq-contact .dc-num {
  font-size: 14px;
}

/* 响应式 */
@media (min-width: 720px) {
  .page-faq .faq-grid2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
  }

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

  .page-faq .faq-help {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 28px;
  }
}

@media (min-width: 880px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
    margin-top: 30px;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-path {
    grid-template-columns: minmax(0, 1fr) minmax(0, 360px);
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-head {
    margin-bottom: 36px;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition: none !important;
    animation: none !important;
  }
}