.page-faq {
  --faq-radius: 14px;
  --faq-card: rgba(255, 255, 255, 0.68);
  --faq-card-solid: #FFFFFF;
  background: var(--paper);
}

.page-faq img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-faq .breadcrumb {
  padding-top: 1.25rem;
}

/* ---------- 首屏 ---------- */
.page-faq .guide-hero {
  position: relative;
  overflow: hidden;
  padding: 1.75rem 0 2.5rem;
}

.page-faq .guide-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(102deg, var(--bamboo-wash) 0 1px, transparent 1px 30px);
  opacity: 0.9;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 78%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 78%);
}

.page-faq .guide-hero-inner {
  position: relative;
  display: grid;
  gap: 2rem;
}

.page-faq .hero-copy h1 {
  margin: 0.6rem 0 1rem;
  max-width: 16ch;
  font-size: clamp(2rem, 6vw, var(--fs-3xl));
  line-height: 1.2;
}

.page-faq .hero-lede {
  margin: 0 0 1.5rem;
  max-width: 40em;
  color: var(--ink-soft);
  font-size: var(--fs-base);
  line-height: 1.8;
}

.page-faq .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-faq .hero-facts {
  list-style: none;
  margin: 1.9rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-faq .hero-facts li {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding-left: 0.85rem;
  border-left: 3px solid var(--gold);
  color: var(--ink-soft);
  font-size: var(--fs-sm);
  line-height: 1.6;
}

.page-faq .hero-facts .num {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--zhu);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-faq .hero-card {
  padding: 1.4rem 1.35rem;
  border: 1px solid var(--line);
  border-top: 3px solid var(--zhu);
  border-radius: var(--faq-radius);
  background: var(--glass);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.page-faq .hero-card-title {
  margin: 0 0 0.9rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: var(--fs-md);
  color: var(--ink);
}

.page-faq .hero-card-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.15rem;
}

.page-faq .hero-card-list a {
  display: flex;
  gap: 0.55rem;
  padding: 0.6rem 0.35rem;
  border-bottom: 1px dashed var(--line);
  color: var(--ink-soft);
  font-size: var(--fs-sm);
  text-decoration: none;
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-faq .hero-card-list a::before {
  content: "→";
  color: var(--bamboo);
  font-family: var(--font-mono);
}

.page-faq .hero-card-list a:hover,
.page-faq .hero-card-list a:focus-visible {
  color: var(--zhu-deep);
  padding-left: 0.6rem;
}

.page-faq .hero-card-note {
  margin: 1rem 0 0;
  font-size: var(--fs-xs);
  color: var(--slate);
  line-height: 1.7;
}

/* ---------- 主体骨架与右侧索引 ---------- */
.page-faq .guide-shell {
  display: grid;
  gap: 0;
}

.page-faq .guide-main {
  min-width: 0;
}

.page-faq .guide-rail {
  display: none;
}

.page-faq .section-head {
  margin-bottom: 1.6rem;
}

.page-faq .section-head h2 {
  margin: 0.5rem 0 0.7rem;
  font-size: clamp(1.5rem, 4.2vw, var(--fs-xl));
  line-height: 1.3;
}

.page-faq .section-lede {
  margin: 0;
  max-width: 44em;
  color: var(--ink-soft);
  line-height: 1.8;
}

/* ---------- 四类问题：纯 CSS 分段切换 ---------- */
.page-faq .faq-switch {
  position: relative;
}

.page-faq .tab-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-faq .faq-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 1.35rem;
}

.page-faq .tab-label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 0.95rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  background: var(--faq-card);
  color: var(--ink-soft);
  font-size: var(--fs-sm);
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .tab-label:hover {
  border-color: var(--bamboo);
  color: var(--bamboo);
}

.page-faq .tab-no {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-xs);
  color: var(--slate);
}

.page-faq .tab-count {
  min-width: 1.35rem;
  padding: 0.05rem 0.3rem;
  border-radius: var(--radius-pill);
  background: var(--slate-seat);
  color: var(--slate);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-align: center;
}

.page-faq #faq-cat-1:checked ~ .faq-tablist [for="faq-cat-1"],
.page-faq #faq-cat-2:checked ~ .faq-tablist [for="faq-cat-2"],
.page-faq #faq-cat-3:checked ~ .faq-tablist [for="faq-cat-3"],
.page-faq #faq-cat-4:checked ~ .faq-tablist [for="faq-cat-4"] {
  background: var(--zhu);
  border-color: var(--zhu);
  color: #FFF7F3;
}

.page-faq #faq-cat-1:checked ~ .faq-tablist [for="faq-cat-1"] .tab-no,
.page-faq #faq-cat-2:checked ~ .faq-tablist [for="faq-cat-2"] .tab-no,
.page-faq #faq-cat-3:checked ~ .faq-tablist [for="faq-cat-3"] .tab-no,
.page-faq #faq-cat-4:checked ~ .faq-tablist [for="faq-cat-4"] .tab-no {
  color: rgba(255, 247, 243, 0.72);
}

.page-faq #faq-cat-1:checked ~ .faq-tablist [for="faq-cat-1"] .tab-count,
.page-faq #faq-cat-2:checked ~ .faq-tablist [for="faq-cat-2"] .tab-count,
.page-faq #faq-cat-3:checked ~ .faq-tablist [for="faq-cat-3"] .tab-count,
.page-faq #faq-cat-4:checked ~ .faq-tablist [for="faq-cat-4"] .tab-count {
  background: rgba(255, 247, 243, 0.2);
  color: #FFF7F3;
}

.page-faq #faq-cat-1:focus-visible ~ .faq-tablist [for="faq-cat-1"],
.page-faq #faq-cat-2:focus-visible ~ .faq-tablist [for="faq-cat-2"],
.page-faq #faq-cat-3:focus-visible ~ .faq-tablist [for="faq-cat-3"],
.page-faq #faq-cat-4:focus-visible ~ .faq-tablist [for="faq-cat-4"] {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.page-faq .faq-panel {
  display: none;
}

.page-faq #faq-cat-1:checked ~ .faq-panels > #faq-panel-1,
.page-faq #faq-cat-2:checked ~ .faq-panels > #faq-panel-2,
.page-faq #faq-cat-3:checked ~ .faq-panels > #faq-panel-3,
.page-faq #faq-cat-4:checked ~ .faq-panels > #faq-panel-4 {
  display: block;
}

.page-faq .panel-lead {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem;
  margin: 0 0 1rem;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  background: var(--gold-sand);
  color: var(--ink);
  font-size: var(--fs-sm);
  line-height: 1.65;
}

.page-faq .faq-item {
  margin-bottom: 0.7rem;
  border: 1px solid var(--line);
  border-left: 3px solid transparent;
  border-radius: 12px;
  background: var(--faq-card);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-item[open] {
  border-left-color: var(--bamboo);
  background: var(--faq-card-solid);
  box-shadow: var(--shadow-sm);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1rem;
  cursor: pointer;
  list-style: none;
  color: var(--ink);
  font-weight: 700;
  font-size: var(--fs-base);
  line-height: 1.6;
}

.page-faq .faq-item summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item summary::marker {
  content: "";
}

.page-faq .faq-item summary::after {
  content: "+";
  flex: none;
  margin-top: 0.1rem;
  color: var(--bamboo);
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  transition: transform 0.2s var(--ease);
}

.page-faq .faq-item[open] summary::after {
  content: "−";
  transform: rotate(180deg);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: -3px;
  border-radius: 10px;
}

.page-faq .faq-a {
  padding: 0 1rem 1.05rem 1rem;
  color: var(--ink-soft);
  line-height: 1.8;
  font-size: var(--fs-sm);
}

.page-faq .faq-a p {
  margin: 0;
}

/* ---------- 安装排查 ---------- */
.page-faq .troubleshoot {
  display: grid;
  gap: 1.6rem;
}

.page-faq .shot {
  margin: 0;
  border-radius: var(--faq-radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--slate-seat);
}

.page-faq .shot img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .shot .media-caption {
  padding: 0.6rem 0.85rem;
  font-size: var(--fs-xs);
  color: var(--slate);
  background: var(--faq-card);
  border-top: 1px solid var(--line);
  line-height: 1.6;
}

.page-faq .path-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.15rem;
}

.page-faq .path-list li {
  position: relative;
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.9rem;
  padding: 0.95rem 0;
}

.page-faq .path-list li::before {
  content: "";
  position: absolute;
  left: 1.2rem;
  top: 3.4rem;
  bottom: -0.1rem;
  border-left: 2px dashed var(--line-strong);
}

.page-faq .path-list li:last-child::before {
  display: none;
}

.page-faq .path-no {
  width: 2.4rem;
  height: 2.4rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--zhu-wash);
  border: 1px solid var(--zhu);
  color: var(--zhu);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-sm);
  font-weight: 700;
}

.page-faq .path-body h3 {
  margin: 0.35rem 0 0.45rem;
  font-family: var(--font-head);
  font-size: var(--fs-base);
  font-weight: 800;
  color: var(--ink);
  line-height: 1.5;
}

.page-faq .path-body p {
  margin: 0 0 0.5rem;
  color: var(--ink-soft);
  font-size: var(--fs-sm);
  line-height: 1.8;
}

.page-faq .path-body .path-check {
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  background: var(--bamboo-mist);
  color: var(--ink);
}

/* ---------- 旧链接找回 ---------- */
.page-faq .relocate {
  display: grid;
  gap: 1.6rem;
}

.page-faq .relocate-copy {
  min-width: 0;
}

.page-faq .relocate-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: reloc;
  display: grid;
  gap: 1.15rem;
}

.page-faq .relocate-steps li {
  position: relative;
  padding-left: 1.15rem;
  border-left: 3px solid var(--bamboo-mist);
}

.page-faq .relocate-steps h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-head);
  font-size: var(--fs-base);
  font-weight: 800;
  color: var(--ink);
}

.page-faq .relocate-steps p {
  margin: 0;
  color: var(--ink-soft);
  font-size: var(--fs-sm);
  line-height: 1.8;
}

.page-faq .relocate-tip {
  margin: 1.2rem 0 0;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--slate-seat);
  color: var(--ink-soft);
  font-size: var(--fs-sm);
  line-height: 1.75;
}

.page-faq .relocate-tip a {
  color: var(--zhu-deep);
  text-underline-offset: 3px;
}

.page-faq .shot--tall img {
  max-height: 420px;
  object-position: center top;
}

/* ---------- 记录查询三步 ---------- */
.page-faq .trail {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

.page-faq .trail li {
  position: relative;
  padding-left: 3.6rem;
}

.page-faq .trail li::before {
  content: "";
  position: absolute;
  left: 1.2rem;
  top: 2.7rem;
  bottom: -1.5rem;
  border-left: 2px dashed var(--line-strong);
}

.page-faq .trail li:last-child::before {
  display: none;
}

.page-faq .trail-no {
  position: absolute;
  left: 0;
  top: 0;
  width: 2.4rem;
  height: 2.4rem;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--gold-sand);
  border: 1px solid var(--gold);
  color: var(--gold-deep);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-sm);
  font-weight: 700;
}

.page-faq .trail h3 {
  margin: 0.35rem 0 0.4rem;
  font-family: var(--font-head);
  font-size: var(--fs-base);
  font-weight: 800;
  color: var(--ink);
}

.page-faq .trail p {
  margin: 0;
  color: var(--ink-soft);
  font-size: var(--fs-sm);
  line-height: 1.8;
}

.page-faq .alt-card {
  margin-top: 2rem;
  padding: 1.2rem 1.25rem;
  border-radius: var(--faq-radius);
  border: 1px solid var(--line);
  border-left: 4px solid var(--bamboo);
  background: var(--bamboo-mist);
}

.page-faq .alt-title {
  margin: 0 0 0.55rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: var(--fs-md);
  color: var(--ink);
}

.page-faq .alt-card p {
  margin: 0 0 0.6rem;
  color: var(--ink-soft);
  font-size: var(--fs-sm);
  line-height: 1.8;
}

.page-faq .alt-meta {
  margin: 0;
  padding-top: 0.6rem;
  border-top: 1px dashed var(--line-strong);
  color: var(--slate);
  font-size: var(--fs-xs);
}

.page-faq .alt-meta .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--bamboo);
  font-size: var(--fs-sm);
}

/* ---------- 四段字段 ---------- */
.page-faq .field-grid {
  margin: 0;
  display: grid;
  gap: 0.85rem;
}

.page-faq .field {
  padding: 1.1rem 1.1rem 1.15rem;
  border-radius: var(--faq-radius);
  background: var(--slate-seat);
  border: 1px solid transparent;
}

.page-faq .field:nth-child(even) {
  background: var(--bamboo-mist);
}

.page-faq .field-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  margin-bottom: 0.65rem;
  border-radius: 10px;
  background: var(--faq-card-solid);
  border: 1px solid var(--line);
  color: var(--zhu);
}

.page-faq .field dt {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: var(--fs-base);
  color: var(--ink);
  margin-bottom: 0.4rem;
}

.page-faq .field dd {
  margin: 0;
  color: var(--ink-soft);
  font-size: var(--fs-sm);
  line-height: 1.8;
}

.page-faq .read-note {
  margin-top: 1.5rem;
  padding: 1.2rem 1.25rem;
  border-radius: var(--faq-radius);
  border: 1px solid var(--gold);
  background: var(--gold-sand);
}

.page-faq .read-note-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: var(--fs-md);
  color: var(--ink);
}

.page-faq .read-note p {
  margin: 0 0 0.6rem;
  color: var(--ink);
  font-size: var(--fs-sm);
  line-height: 1.8;
}

.page-faq .read-note .read-note-link {
  margin: 0;
  padding-top: 0.6rem;
  border-top: 1px dashed rgba(138, 101, 32, 0.4);
  color: var(--ink-soft);
  font-size: var(--fs-xs);
}

.page-faq .read-note .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--zhu-deep);
}

.page-faq .read-note a {
  color: var(--zhu-deep);
  text-underline-offset: 3px;
}

/* ---------- 联系我们 ---------- */
.page-faq .help-card {
  padding: 1.6rem 1.3rem 1.7rem;
  border-radius: var(--faq-radius);
  background: var(--ink);
  color: #F3EDE6;
  border: 1px solid var(--zhu-deep);
  box-shadow: var(--shadow-md);
}

.page-faq .eyebrow--light {
  color: var(--gold);
}

.page-faq .help-card h2 {
  margin: 0.5rem 0 0.75rem;
  color: #FAF6F1;
  font-size: clamp(1.4rem, 4vw, var(--fs-lg));
}

.page-faq .help-lede {
  margin: 0 0 1.4rem;
  max-width: 42em;
  color: rgba(243, 237, 230, 0.82);
  font-size: var(--fs-sm);
  line-height: 1.8;
}

.page-faq .help-ways {
  display: grid;
  gap: 0.9rem;
  padding-top: 1.1rem;
  border-top: 1px solid rgba(199, 154, 75, 0.35);
}

.page-faq .help-key {
  margin: 0 0 0.25rem;
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-faq .help-val {
  margin: 0;
  font-size: var(--fs-base);
  color: #FAF6F1;
  line-height: 1.6;
  word-break: break-word;
}

.page-faq .help-val.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-faq .help-mail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.page-faq .help-mail a {
  color: #FAF6F1;
  text-underline-offset: 3px;
}

.page-faq .help-card .copy-btn {
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--gold);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--gold);
  font-size: var(--fs-xs);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .help-card .copy-btn:hover,
.page-faq .help-card .copy-btn:focus-visible {
  background: var(--gold);
  color: var(--ink);
}

.page-faq .help-card .copy-btn[data-copied="true"] {
  background: var(--bamboo);
  border-color: var(--bamboo);
  color: #FAF6F1;
}

.page-faq .help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.4rem;
}

.page-faq .help-card .btn-outline {
  border-color: rgba(243, 237, 230, 0.5);
  color: #F3EDE6;
}

.page-faq .help-card .btn-outline:hover,
.page-faq .help-card .btn-outline:focus-visible {
  border-color: var(--gold);
  color: var(--gold);
}

/* ---------- 右侧索引 ---------- */
.page-faq .rail-title {
  margin: 0 0 0.6rem;
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-faq .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.1rem;
  border-left: 1px solid var(--line);
}

.page-faq .rail-list a {
  display: block;
  padding: 0.45rem 0 0.45rem 0.8rem;
  margin-left: -1px;
  border-left: 2px solid transparent;
  color: var(--slate);
  font-size: var(--fs-sm);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .rail-list a:hover,
.page-faq .rail-list a:focus-visible {
  color: var(--zhu-deep);
  border-left-color: var(--gold);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
  }

  .page-faq .hero-facts li {
    display: grid;
    gap: 0.15rem;
    align-content: start;
  }

  .page-faq .field-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .help-ways {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.1rem 1.4rem;
  }
}

@media (min-width: 900px) {
  .page-faq .guide-hero {
    padding: 2.25rem 0 3.25rem;
  }

  .page-faq .guide-hero-inner {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 0.68fr);
    align-items: start;
    gap: 2.75rem;
  }

  .page-faq .hero-card {
    margin-top: 0.5rem;
  }

  .page-faq .troubleshoot {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: 2rem;
  }

  .page-faq .shot--wide {
    position: sticky;
    top: 112px;
  }

  .page-faq .relocate {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.6fr);
    align-items: start;
    gap: 2.25rem;
  }

  .page-faq .shot--tall img {
    max-height: 520px;
  }

  .page-faq .field-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .help-card {
    padding: 2.1rem 2rem 2.2rem;
  }

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

@media (min-width: 1024px) {
  .page-faq .guide-shell {
    grid-template-columns: minmax(0, 1fr) 186px;
    gap: 2.75rem;
    align-items: start;
  }

  .page-faq .guide-rail {
    display: block;
    padding-top: 0.35rem;
  }

  .page-faq .index-rail {
    position: sticky;
    top: 108px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .tab-label,
  .page-faq .faq-item,
  .page-faq .faq-item summary::after,
  .page-faq .hero-card-list a,
  .page-faq .rail-list a,
  .page-faq .help-card .copy-btn {
    transition: none;
  }
}
<<<END>>>