.page-faq {
  --faq-box: 26px;
  --faq-rule-gap: 42px;
}

.page-faq [data-accent="amber"] { --accent: var(--amber); }
.page-faq [data-accent="lime"] { --accent: var(--lime); }
.page-faq [data-accent="violet"] { --accent: var(--violet); }
.page-faq [data-accent="orange"] { --accent: var(--orange); }

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding-top: 6px;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-top: 18px;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(26px, 6.2vw, 40px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--text);
}

.page-faq .faq-hero .meta-line {
  margin: 0;
}

.page-faq .faq-hero .lede {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 62ch;
}

.page-faq .faq-hero__note {
  margin: 18px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--accent);
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 54ch;
}

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

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 分区跳转 */

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-jump__item {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--panel);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
}

.page-faq .faq-jump__item:hover,
.page-faq .faq-jump__item:focus-visible {
  color: var(--text);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.page-faq .faq-jump__no {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
}

/* ---------- 分区容器 ---------- */

.page-faq .faq-chapter {
  margin-top: var(--faq-rule-gap);
}

.page-faq .faq-chapter .rule-strip {
  margin-bottom: 14px;
}

.page-faq .faq-block {
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 3px;
  background: var(--panel);
  box-shadow: inset 0 1px 0 rgba(232, 238, 244, .04);
}

.page-faq .faq-block__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 14px;
  padding: 16px 16px;
  cursor: pointer;
  list-style: none;
  transition: background-color .2s var(--ease);
}

.page-faq .faq-block__head::-webkit-details-marker { display: none; }
.page-faq .faq-block__head::marker { content: ""; }

.page-faq .faq-block__head:hover {
  background: rgba(232, 238, 244, .035);
}

.page-faq .faq-block__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.page-faq .faq-block__title {
  flex: 1 1 200px;
  margin: 0;
  font-size: 17px;
  line-height: 1.45;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .faq-block__count {
  flex: none;
  padding: 2px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
}

.page-faq .faq-block__head::after {
  content: "";
  flex: none;
  align-self: center;
  width: 8px;
  height: 8px;
  margin-left: 2px;
  border-right: 1.5px solid var(--muted);
  border-bottom: 1.5px solid var(--muted);
  transform: rotate(45deg);
  transition: transform .25s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-block[open] .faq-block__head::after {
  transform: rotate(-135deg);
  border-color: var(--accent);
}

.page-faq .faq-block__body {
  padding: 2px 16px 22px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-conclusion {
  margin: 18px 0 4px;
  padding-left: 13px;
  border-left: 2px solid var(--accent);
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
  max-width: 66ch;
}

/* ---------- 勾选清单 ---------- */

.page-faq .check-list {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
}

.page-faq .check-item {
  display: grid;
  grid-template-columns: var(--faq-box) minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px dashed rgba(35, 64, 92, .9);
}

.page-faq .check-item:last-child {
  border-bottom: 0;
  padding-bottom: 6px;
}

.page-faq .check-item__box {
  -webkit-appearance: none;
  appearance: none;
  position: relative;
  width: 22px;
  height: 22px;
  margin: 2px 0 0;
  border: 1.5px solid var(--orange);
  border-radius: 2px;
  background: transparent;
  cursor: pointer;
  transition: border-color .25s var(--ease), background-color .25s var(--ease);
}

.page-faq .check-item__box::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(45deg) scale(.4);
  opacity: 0;
  transition: opacity .18s var(--ease), transform .22s var(--ease);
}

.page-faq .check-item__box:hover {
  border-color: var(--amber);
}

.page-faq .check-item__box:checked {
  border-color: var(--lime);
  background: var(--lime);
}

.page-faq .check-item__box:checked::after {
  opacity: 1;
  transform: rotate(45deg) scale(1);
}

.page-faq .check-item__box:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-faq .check-item__label {
  display: grid;
  gap: 5px;
  min-width: 0;
  cursor: pointer;
}

.page-faq .check-item__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  text-decoration-line: line-through;
  text-decoration-color: transparent;
  text-decoration-thickness: 1.5px;
  transition: color .25s var(--ease), text-decoration-color .25s var(--ease);
}

.page-faq .check-item__box:checked + .check-item__label .check-item__text {
  color: var(--muted-dim);
  text-decoration-color: var(--lime);
}

.page-faq .check-item__hint {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 流程示意图 ---------- */

.page-faq .faq-flow {
  margin: 20px 0 0;
}

.page-faq .faq-flow img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 3px;
}

/* ---------- 条目索引 ---------- */

.page-faq .index-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-faq .index-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent);
  border-radius: 3px;
  background: var(--panel-soft);
}

.page-faq .index-row__id {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.page-faq .index-row__device {
  flex: none;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
  padding: 1px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.page-faq .index-row__desc {
  flex: 1 1 220px;
  min-width: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
}

.page-faq .faq-cross {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 66ch;
}

.page-faq .faq-cross a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-cross a:hover {
  color: var(--amber);
}

/* ---------- 表现分组 ---------- */

.page-faq .fault-group {
  margin-top: 22px;
}

.page-faq .fault-group:first-of-type {
  margin-top: 18px;
}

.page-faq .fault-group__title {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .fault-group__title::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 1px;
  background: var(--accent);
}

.page-faq .fault-group__expect {
  margin: 10px 0 0;
  padding-left: 17px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--lime);
  max-width: 64ch;
}

/* ---------- 反馈区块 ---------- */

.page-faq .fallback-panel {
  margin-top: 18px;
  padding: 20px 16px 18px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: 3px;
  background: var(--panel-soft);
}

.page-faq .info-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .info-item {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.page-faq .info-item__no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
}

.page-faq .info-item__text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.page-faq .fallback-time {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(35, 64, 92, .9);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-faq .faq-block__head {
    padding: 18px 22px;
    gap: 10px 18px;
  }

  .page-faq .faq-block__body {
    padding: 4px 22px 26px;
  }

  .page-faq .faq-block__title {
    font-size: 18px;
  }

  .page-faq .faq-jump {
    gap: 10px;
  }

  .page-faq .fallback-panel {
    padding: 24px 22px 22px;
  }

  .page-faq .check-item {
    gap: 16px;
    padding: 16px 0;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 52px;
    align-items: start;
    margin-top: 24px;
  }

  .page-faq .faq-jump {
    margin-top: 40px;
    padding-top: 24px;
  }

  .page-faq .faq-chapter {
    margin-top: 52px;
  }

  .page-faq .fault-group {
    margin-top: 26px;
  }
}
<<<END>>>