.page-faq {
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(16px, 2.6vw, 28px) clamp(34px, 6vw, 72px);
  background:
    radial-gradient(92% 72% at 88% -18%, rgba(198, 255, 61, 0.13), transparent 60%),
    radial-gradient(64% 58% at 4% 112%, rgba(255, 106, 43, 0.11), transparent 64%),
    linear-gradient(180deg, var(--ink-deep) 0%, var(--ink) 72%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(126, 148, 140, 0.18) 1px, transparent 1px);
  background-size: 18px 18px;
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 42%, transparent 100%);
  mask-image: linear-gradient(180deg, transparent 0%, #000 42%, transparent 100%);
  pointer-events: none;
  opacity: 0.45;
}

.page-faq .faq-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-faq .faq-hero-inner {
  max-width: 940px;
}

.page-faq .faq-hero-inner .display-xl {
  margin: 10px 0 18px;
  letter-spacing: -0.01em;
}

.page-faq .faq-hero-inner .lede {
  max-width: 64ch;
  margin: 0 0 clamp(22px, 3.4vw, 34px);
}

.page-faq .faq-meta {
  list-style: none;
  margin: 0 0 clamp(24px, 3.6vw, 36px);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
}

.page-faq .faq-meta li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 12px;
  border-left: 1px solid var(--line-strong);
}

.page-faq .faq-meta-num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.1;
  color: var(--lime);
  letter-spacing: -0.02em;
}

.page-faq .faq-meta-label {
  font-size: 13px;
  color: var(--mist);
  letter-spacing: 0.02em;
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 查询路径 ---------- */

.page-faq .faq-path-head {
  max-width: 720px;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-faq .faq-path-head h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--bone);
}

.page-faq .faq-path-note {
  margin: 0;
  max-width: 58ch;
}

.page-faq .faq-path-grid {
  display: grid;
  gap: 22px;
}

.page-faq .faq-path-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel-soft);
  overflow: hidden;
}

.page-faq .faq-path-figure img,
.page-faq .faq-device-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.04);
}

.page-faq .faq-path-figure .media-caption,
.page-faq .faq-device-figure .media-caption {
  display: block;
  padding: 10px 14px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  color: var(--mist);
  border-top: 1px solid var(--line-soft);
}

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

.page-faq .faq-step {
  position: relative;
  padding: 18px 18px 18px 62px;
  background: var(--panel-soft);
  box-shadow: inset 2px 0 0 var(--sand);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: background 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-faq .faq-step:hover {
  background: var(--panel);
  box-shadow: inset 2px 0 0 var(--lime);
}

.page-faq .faq-step-num {
  position: absolute;
  left: 16px;
  top: 17px;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--lime);
  letter-spacing: -0.02em;
}

.page-faq .faq-step h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--bone);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 分类标签带 ---------- */

.page-faq .faq-toolbar {
  padding-block: 14px;
  background: linear-gradient(180deg, rgba(18, 48, 41, 0.8), rgba(7, 27, 22, 0.94));
  border-block: 1px solid var(--line);
}

.page-faq .faq-toolbar-inner {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-faq .faq-toolbar-label {
  flex: 0 0 auto;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sand);
}

.page-faq .faq-chips {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 2px;
}

.page-faq .faq-chips::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-chips a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  background: rgba(11, 36, 29, 0.72);
  color: var(--bone);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-chips a span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lime);
}

.page-faq .faq-chips a:hover,
.page-faq .faq-chips a:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
  background: rgba(198, 255, 61, 0.08);
}

/* ---------- 主体：索引 + 手风琴 ---------- */

.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
}

.page-faq .faq-index-list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 10px;
  color: var(--mist);
  text-decoration: none;
  border-left: 1px solid var(--line-soft);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  color: var(--bone);
  border-left-color: var(--lime);
  background: rgba(198, 255, 61, 0.06);
}

.page-faq .faq-index-num {
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--sand);
}

.page-faq .faq-index-text {
  font-size: 13px;
  line-height: 1.4;
}

.page-faq .faq-index-foot {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-index-foot p {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--mist);
}

.page-faq .faq-group {
  scroll-margin-top: 96px;
  margin-bottom: 8px;
}

.page-faq .faq-group-head {
  margin-bottom: 16px;
}

.page-faq .faq-group-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(32px, 4vw, 44px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--lime);
  opacity: 0.86;
}

.page-faq .faq-group-head h2 {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.6vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-faq .faq-group-head p {
  margin: 0;
  max-width: 60ch;
  font-size: 14px;
}

.page-faq .faq-rule {
  margin-block: 30px;
}

.page-faq .faq-item {
  background: var(--panel-soft);
  box-shadow: inset 2px 0 0 transparent;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: background 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-faq .faq-item + .faq-item {
  margin-top: 8px;
}

.page-faq .faq-item:hover {
  background: var(--panel);
}

.page-faq .faq-item[open] {
  background: var(--panel);
  box-shadow: inset 2px 0 0 var(--lime);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--bone);
  transition: color 0.2s var(--ease);
}

.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: 0 0 auto;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.3;
  color: var(--lime);
}

.page-faq .faq-item[open] summary::after {
  content: "–";
}

.page-faq .faq-item summary:hover,
.page-faq .faq-item summary:focus-visible {
  color: var(--lime);
}

.page-faq .faq-q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-a {
  padding: 0 18px 18px;
}

.page-faq .faq-a p {
  margin: 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(242, 245, 239, 0.82);
}

.page-faq .faq-device-figure {
  margin: 22px 0 0;
  max-width: 460px;
  border: 1px solid var(--line);
  background: var(--panel-soft);
  overflow: hidden;
}

/* ---------- 联系卡片 ---------- */

.page-faq .faq-contact {
  background: var(--bone);
  color: var(--ink);
  padding-block: clamp(30px, 5vw, 60px);
  border-block: 1px solid rgba(7, 27, 22, 0.12);
}

.page-faq .faq-contact-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding: clamp(20px, 3.4vw, 40px);
  background: #ffffff;
  box-shadow: 0 1px 0 rgba(7, 27, 22, 0.08);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-faq .faq-contact-label {
  color: #4a5a54;
}

.page-faq .faq-contact-copy h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-faq .faq-contact-text {
  margin: 0 0 20px;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.75;
  color: #3c4b46;
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  align-content: start;
}

.page-faq .faq-contact-list li {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-top: 1px solid rgba(7, 27, 22, 0.12);
}

.page-faq .faq-contact-list li:first-child {
  border-top: 2px solid var(--lime);
}

.page-faq .faq-contact-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #5d6d67;
}

.page-faq .faq-contact-val {
  font-family: var(--font-mono);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-word;
}

.page-faq .faq-contact-list li:last-child .faq-contact-val {
  font-family: var(--font-body);
  font-size: 15px;
}

/* ---------- 热门索引 ---------- */

.page-faq .faq-hot-head {
  max-width: 620px;
  margin-bottom: clamp(22px, 3.6vw, 36px);
}

.page-faq .faq-hot-head h2 {
  margin: 10px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(25px, 3.4vw, 38px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--bone);
}

.page-faq .faq-hot-head p {
  margin: 0;
  font-size: 14px;
}

.page-faq .faq-hot-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
}

.page-faq .faq-hot-list a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px 16px;
  background: var(--panel-soft);
  border-left: 2px solid var(--line-strong);
  color: var(--bone);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-hot-list a:hover,
.page-faq .faq-hot-list a:focus-visible {
  background: var(--panel);
  border-left-color: var(--lime);
  transform: translateX(3px);
}

.page-faq .faq-hot-num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--lime);
}

.page-faq .faq-hot-q {
  font-size: 14.5px;
  line-height: 1.5;
}

.page-faq .faq-hot-cat {
  flex: 0 0 auto;
  padding: 3px 9px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--sand);
  white-space: nowrap;
}

.page-faq .faq-hot-foot {
  margin-top: clamp(24px, 3.6vw, 36px);
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.page-faq .faq-hot-foot p {
  margin: 0;
  flex: 1 1 260px;
  font-size: 14px;
  color: var(--mist);
}

.page-faq .faq-hot-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-faq .faq-contact-card {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 40px;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-path-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }

  .page-faq .faq-item summary {
    padding: 18px 22px;
    font-size: 16px;
  }

  .page-faq .faq-a {
    padding: 0 22px 20px;
  }

  .page-faq .faq-a p {
    font-size: 15px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-faq .faq-index-list {
    grid-template-columns: minmax(0, 1fr);
    margin-top: 14px;
  }

  .page-faq .faq-index-num {
    font-size: 20px;
  }

  .page-faq .faq-index-text {
    font-size: 14px;
  }

  .page-faq .faq-toolbar-inner {
    gap: 22px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-meta {
    gap: 12px 44px;
  }

  .page-faq .faq-hot-q {
    font-size: 15.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-item,
  .page-faq .faq-hot-list a,
  .page-faq .faq-chips a,
  .page-faq .faq-index-list a {
    transition: none;
  }

  .page-faq .faq-hot-list a:hover,
  .page-faq .faq-hot-list a:focus-visible {
    transform: none;
  }
}
<<<END>>>